Mercurial > hg > ismi-richfaces
changeset 203:719475ad0923 iiif_diva
more work on new diva.js in imageServer
| author | casties |
|---|---|
| date | Fri, 05 Jul 2019 16:05:57 +0200 |
| parents | 81f761f9c015 |
| children | 964846688a95 |
| files | src/main/webapp/imageServer/displayDigi.jsp src/main/webapp/imageServer/resources/css/diva.min.css src/main/webapp/imageServer/resources/js/.DS_Store src/main/webapp/imageServer/resources/js/diva.css src/main/webapp/imageServer/resources/js/diva.css.map src/main/webapp/imageServer/resources/js/diva.js src/main/webapp/imageServer/resources/js/diva.js.map src/main/webapp/imageServer/resources/js/diva.min.js src/main/webapp/imageServer/resources/js/jquery-ui-1.10.4.zip src/main/webapp/imageServer/resources/js/vendor/diva-old.js src/main/webapp/imageServer/resources/js/vendor/diva-old.min.css src/main/webapp/imageServer/resources/js/vendor/diva-old.min.js src/main/webapp/imageServer/resources/js/vendor/jquery-ui-1.10.4.zip |
| diffstat | 13 files changed, 3845 insertions(+), 2726 deletions(-) [+] |
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--- a/src/main/webapp/imageServer/displayDigi.jsp Mon Jul 01 15:05:05 2019 +0200 +++ b/src/main/webapp/imageServer/displayDigi.jsp Fri Jul 05 16:05:57 2019 +0200 @@ -15,7 +15,7 @@ <link href="resources/css/diva4ismi.css" type="text/css" rel="stylesheet" /> <script type="text/javascript" src="resources/js/jquery.min.js"></script> - <script type="text/javascript" src="resources/js/diva.min.js"></script> + <script type="text/javascript" src="resources/js/diva.js"></script> <script type="text/javascript" src="resources/js/bootstrap.min.js"></script> <script type="text/javascript" src="resources/js/typeahead.js"></script> <script type="text/javascript" src="resources/js/diva4ismi.js"></script> @@ -182,17 +182,17 @@ } } - $("#diva-wrapper").diva( +// $("#diva-wrapper").diva( + window.divaInstance = new Diva('diva-wrapper', { - enableAutoHeight: true, enableAutoTitle: false, enableGotoPage: false, fixedHeightGrid: false, - contained: true, - iipServerURL: divaGlobal.iipServerURL, - digiId: "<%=digiBean.getDigiId()%>", - objectData: divaGlobal.rest_url + "/rest/diva/proxy/json/<%=digiBean.getDigiLabel()%>", - imageDir: "/<%=digiBean.getDigiLabel()%>", +// iipServerURL: divaGlobal.iipServerURL, +// digiId: "<%=digiBean.getDigiId()%>", +// objectData: divaGlobal.rest_url + "/rest/diva/proxy/json/<%=digiBean.getDigiLabel()%>", + objectData: "https://ismi-imageserver-cc.mpiwg-berlin.mpg.de/iiif/manifests/<%=digiBean.getDigiLabel()%>.json", +// imageDir: "/<%=digiBean.getDigiLabel()%>", onSetCurrentPage : handlePageSwitch, onDocumentLoaded : handleDocumentLoaded, zoomLevel: 1,
--- a/src/main/webapp/imageServer/resources/css/diva.min.css Mon Jul 01 15:05:05 2019 +0200 +++ b/src/main/webapp/imageServer/resources/css/diva.min.css Fri Jul 05 16:05:57 2019 +0200 @@ -1,1 +1,554 @@ -.hidden{display:none}.grab{cursor:url("../img/openhand.cur"),pointer}.grabbing{cursor:url("../img/closedhand.cur"),move !important}.loading{background:url("../img/loading.gif") no-repeat center}.full-width{width:100% !important;max-width:100% !important}.full-height{height:100% !important;max-height:100% !important}.prevent-selection{-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.button{cursor:pointer;height:32px;width:32px;background-color:#f1f1f1;background-repeat:no-repeat;background-position:center;border:1px solid #99bbe8}@media screen and (min-device-width:769px){.button:hover{background-color:#fdfdfd}}.diva-title{text-align:center;font-weight:bold;font-size:2em}.diva-tools{margin-top:5px}.diva-tools .diva-tools-left{float:left}.diva-tools .diva-tools-left .diva-slider-label{display:none;padding:8px;float:left}.diva-tools .diva-tools-left .diva-zoom-buttons-label{display:none;padding:8px;float:left}.diva-tools .diva-tools-left .diva-zoom-out-button{display:none;float:left;background-image:url("../img/zoomout.png")}.diva-tools .diva-tools-left .diva-zoom-in-button{display:none;float:left;background-image:url("../img/zoomin.png");margin-left:-1px}.diva-tools .diva-tools-left .diva-grid-out-button{display:none;float:left;background-image:url("../img/zoomout.png")}.diva-tools .diva-tools-left .diva-grid-in-button{display:none;float:left;background-image:url("../img/zoomin.png");margin-left:-1px}.diva-tools .diva-tools-left .diva-buttons-label{display:none;padding:8px;float:left}.diva-tools .diva-tools-left.in-fullscreen{float:left;clear:none}.diva-tools .diva-tools-right{float:right;height:42px}.diva-tools .diva-tools-right .diva-grid-icon{float:right;background-image:url("../img/grid.png")}.diva-tools .diva-tools-right .diva-grid-icon.diva-in-grid{background-image:url("../img/document.png")}.diva-tools .diva-tools-right .diva-download-icon{float:right;background-image:url("../img/download.png")}.diva-link-icon{float:right;background-image:url("../img/link.png")}.diva-tools .diva-tools-right .diva-page-nav{float:left;text-align:right;padding-right:4px;white-space:nowrap;line-height:32px}.diva-tools .diva-tools-right .diva-page-nav .diva-page-label{float:left;padding-top:1px;padding-right:.5em;line-height:32px}.diva-tools .diva-tools-right .diva-page-nav .diva-goto-form{float:right}.diva-tools .diva-tools-right .diva-page-nav .diva-goto-form .diva-input{width:30px;outline:none;margin:0;padding-top:0}.diva-tools.diva-fullscreen-tools{position:fixed;top:0;right:30px;z-index:101;width:230px;height:73px;padding:15px;border:1px solid #ddd;background:#fff;-webkit-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);-moz-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5)}.diva-tools.diva-fullscreen-tools .diva-buttons-label{margin-top:5px;padding:0;clear:both}.diva-tools.diva-fullscreen-tools .diva-page-nav{float:none;line-height:1em}.diva-tools.diva-fullscreen-tools .diva-page-nav .diva-goto-form{margin-top:9px}.diva-tools.diva-fullscreen-tools .diva-page-nav .diva-page-label{float:none;clear:both;line-height:1em}.diva-outer{clear:both;background:#f1f1f1;border:1px solid #99bbe8;position:relative;min-height:100px;min-width:200px;height:700px;overflow:auto}.diva-outer .diva-inner{position:relative;overflow:hidden;margin:0 auto}.diva-outer .diva-inner .diva-page{-webkit-box-shadow:2px 2px 6px 0 rgba(0,0,0,0.5);-moz-box-shadow:2px 2px 6px 0 rgba(0,0,0,0.5);box-shadow:2px 2px 6px 0 rgba(0,0,0,0.5);background:url("../img/loading.gif") no-repeat center;position:absolute}.diva-outer .diva-inner .diva-document-page{-webkit-box-shadow:2px 2px 6px 0 rgba(0,0,0,0.5);-moz-box-shadow:2px 2px 6px 0 rgba(0,0,0,0.5);box-shadow:2px 2px 6px 0 rgba(0,0,0,0.5);background:url("../img/loading.gif") no-repeat center;position:absolute;left:0;right:0}.diva-outer .diva-inner .diva-document-page .diva-page-tools{position:absolute;top:-25px;left:0;height:25px;z-index:3}.diva-outer .diva-inner .diva-document-page .diva-page-tools div{display:inline-block;height:25px;width:25px;cursor:pointer}.diva-outer .diva-inner .diva-page-vertical{margin:0 auto;display:inline-block}.diva-outer .diva-inner .diva-page-horizontal{vertical-align:middle;display:inline-block;top:50%;transform:translate(0, -50%);-webkit-transform:translate(0, -50%);-moz-transform:translate(0, -50%);-ms-transform:translate(0, -50%)}.diva-outer .diva-inner .diva-row{position:absolute;width:100%}.diva-outer .diva-inner.diva-grab{cursor:url("../img/openhand.cur"),pointer}.diva-outer .diva-inner.diva-grabbing{cursor:url("../img/closedhand.cur"),move !important}.diva-outer.diva-fullscreen{width:100% !important;max-width:100% !important;height:100% !important;max-height:100% !important;z-index:100;position:fixed !important;top:0;left:0;margin:0;border:0}.diva-fullscreen-icon{background-image:url("../img/fullscreen.png");border-left:0;float:right}.diva-popup{background:#fff;border:1px solid #99bbe8;padding:.6em;z-index:101;position:absolute;-webkit-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);-moz-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5)}.diva-link-popup{font-size:10pt}.diva-link-popup input{width:15em}.diva-link-popup input:focus{outline:none}.diva-link-popup.in-fullscreen{top:150px;right:30px}.diva-download-popup{font-size:10pt}.diva-download-popup input{width:15em}.diva-download-popup input:focus{outline:none}.diva-download-popup.in-fullscreen{top:150px;right:30px}.diva-hide-scrollbar{overflow:hidden !important}.diva-relative-position{position:relative}.zoom-slider{position:relative;top:.6em;display:none;float:left}@media (max-width:480px){.zoom-slider{width:100px}}.grid-slider{position:relative;top:.6em;display:none;float:left}@media (max-width:480px){.grid-slider{width:100px}}.diva-throbber{display:none;position:absolute;width:50px;height:50px;background:url("../img/loading.gif") no-repeat center;background-color:#fff;border:1px solid #ddd;-webkit-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);-moz-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);top:50%;left:50%;margin-left:-25px;margin-top:-25px}.diva-error{position:absolute;width:400px;height:200px;background-color:#fff;border:1px solid #ddd;-webkit-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);-moz-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);top:50%;left:50%;margin-left:-220px;margin-top:-120px;z-index:120;padding:0 1em}.diva-canvas-icon{background:url('../img/plugins/canvas.png') no-repeat;background-position:left center}.diva-canvas-icon:hover{background-position:-25px center}.diva-canvas-icon.new{background-position:-50px center}.diva-canvas-icon.new:hover{background-position:-75px center}#diva-canvas-backdrop{z-index:105;position:fixed;top:0;left:0;bottom:0;right:0;display:none;background:rgba(50,50,50,0.9)}#diva-canvas-tools{color:#333;position:fixed;top:10px;left:10px;width:230px;z-index:108;background:#fff;padding-bottom:10px;-webkit-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);-moz-box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5);box-shadow:2px 2px 4px 0 rgba(0,0,0,0.5)}#diva-canvas-tools .action-buttons{clear:both;margin-bottom:5px;text-align:right}#diva-canvas-tools .action-buttons a{color:#333;text-decoration:none;background:#f1f1f1;padding:5px;border:1px solid #99bbe8}#diva-canvas-tools .action-buttons a:last-child{border-left:0}#diva-canvas-tools .action-buttons a:hover{background:#fdfdfd}#diva-canvas-toolbar{height:16px;padding:10px;padding-bottom:0}#diva-canvas-toolbar div{height:18px;width:18px;background-repeat:no-repeat;cursor:pointer;z-index:109;display:inline-block;margin-right:5px;background-image:url("../img/actions.png")}#diva-canvas-toolbar span{vertical-align:top;float:right}#diva-canvas-toolwindow{position:relative;margin:10px}#diva-canvas-close:hover{background-position:-20px 0}#diva-canvas-minimise{background-position:-40px 0}#diva-canvas-minimise:hover{background-position:-60px 0}#diva-canvas-buttons div{cursor:pointer;background-image:url("../img/plugins/canvas-buttons.png");background-repeat:no-repeat;width:20px;height:20px;padding:5px;display:inline-block}#diva-canvas-buttons div.clicked{background-color:#ddd}#diva-canvas-buttons .contrast{background-position:5px 5px}#diva-canvas-buttons .contrast:hover,#diva-canvas-buttons .contrast.clicked{background-position:5px -25px}#diva-canvas-buttons .brightness{background-position:-25px 5px}#diva-canvas-buttons .brightness:hover,#diva-canvas-buttons .brightness.clicked{background-position:-25px -25px}#diva-canvas-buttons .rotation{background-position:-55px 5px}#diva-canvas-buttons .rotation:hover,#diva-canvas-buttons .rotation.clicked{background-position:-55px -25px}#diva-canvas-buttons .zoom{background-position:-85px 5px}#diva-canvas-buttons .zoom:hover,#diva-canvas-buttons .zoom.clicked{background-position:-85px -25px}#diva-canvas-buttons .red{background-position:-115px 5px}#diva-canvas-buttons .red:hover,#diva-canvas-buttons .red.clicked{background-position:-115px -25px}#diva-canvas-buttons .green{background-position:-145px 5px}#diva-canvas-buttons .green:hover,#diva-canvas-buttons .green.clicked{background-position:-145px -25px}#diva-canvas-buttons .blue{background-position:-175px 5px}#diva-canvas-buttons .blue:hover,#diva-canvas-buttons .blue.clicked{background-position:-175px -25px}#diva-canvas-pane{background:#ddd;padding-bottom:10px}#diva-canvas-pane p{margin-left:10px;padding-top:10px}#diva-canvas-pane p .link{cursor:pointer}#diva-canvas-pane p .link:hover{text-decoration:underline}#diva-canvas-mode{text-transform:capitalize}#diva-canvas-slider{width:188px;margin:0 auto;display:block}#diva-canvas-slider .handle{margin-left:-6px}#diva-canvas-minimap{height:210px;width:210px;cursor:crosshair;margin-bottom:10px;background:#000}#diva-canvas{position:absolute;left:0;right:0;margin:0 auto;z-index:107;cursor:url("../img/openhand.cur"),pointer}#diva-map-viewbox{border:2px solid #99bbe8;position:absolute;top:10px;left:10px;cursor:crosshair;-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;display:none}.overflow-hidden{overflow:hidden !important}#diva-canvas-wrapper{z-index:106;position:absolute;top:0;left:0;bottom:0;right:0;overflow:scroll}.canvas-throbber{z-index:110;position:fixed}.diva-download-icon{background:url('../img/plugins/download.png') no-repeat;background-position:left center}.diva-download-icon:hover{background-position:-25px center}.diva-autoscroll-icon{float:right;border-right:none;background-image:url("../img/plugins/play.png")}.diva-autoscroll-prefs{display:none;margin-right:.6em}.diva-autoscroll-prefs-text{float:left}.diva-autoscroll-prefs-input{float:right;margin-left:.6em}.diva-autoscroll-pps{width:5em} \ No newline at end of file +.diva-wrapper { + min-height: 95vh; + width: 100%; + flex-grow: 1; } + .diva-wrapper.diva-wrapper-flexbox { + display: flex; + flex-direction: column; } + .diva-wrapper > *:not(.diva-outer) { + flex-shrink: 0; } + +.diva-title { + text-align: center; + font-weight: bold; + font-size: 1.3em; + max-width: 50em; + margin: 0 auto; } + +.diva-button, .diva-input { + box-sizing: border-box; + outline: none; + border-radius: 0; + font: inherit; + vertical-align: middle; } + .diva-button::-moz-focus-inner, .diva-input::-moz-focus-inner { + padding: 0; } + +.diva-button { + display: inline-block; + cursor: pointer; + height: 34px; + width: 34px; + line-height: 34px; + -webkit-appearance: none; + padding: 3px; + background-color: #F1F1F1; + background-repeat: no-repeat; + background-position: center; + border: 1px solid #AAA; } + .diva-button:hover, .diva-button:focus { + background-color: #FDFDFD; } + .diva-button.diva-button-text { + width: auto; + padding: 0 0.5em; } + +.diva-input { + height: 34px; + border: 1px solid #AAA; + padding: 0 0.5em; } + .diva-input:focus { + border-color: #919191; } + +.diva-label { + margin: 0 1em; + line-height: 34px; + vertical-align: top; + white-space: nowrap; + text-overflow: ellipsis; } + +.diva-tools-left, .diva-tools-right { + margin-bottom: 1em; } + +.diva-tools-left { + float: left; + user-select: none; } + +.diva-zoom-in-button, .diva-grid-in-button { + margin-left: -1px; } + +.diva-tools-right { + float: right; } + .diva-tools-right .diva-button { + margin-left: -1px; + user-select: none; } + +.diva-page-nav { + white-space: nowrap; + margin-right: 1em; } + +.diva-goto-form { + display: inline-block; + position: relative; } + +.diva-goto-page-input { + width: 5em; } + +.diva-input-suggestions { + display: none; + box-sizing: border-box; + position: absolute; + width: 100%; + background-color: white; + border: solid 1px #aaa; + border-top: none; + z-index: 1; } + +.diva-input-suggestion { + box-sizing: border-box; + width: 100%; + margin-top: 3px; + padding: 2px; + padding-left: 5px; + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; + cursor: pointer; } + +.diva-input-suggestion.active, .diva-input-suggestion:hover { + background-color: #dfefff; } + +.diva-view-menu { + display: inline-block; + position: relative; } + +.diva-view-options { + position: absolute; + top: 34px; + z-index: 1; + display: none; + box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.1); } + +.diva-view-options .diva-button { + margin-top: -1px; + display: block; } + +.diva-zoom-label, .diva-grid-label, .diva-page-label { + display: inline-block; } + +.diva-fullscreen-tools { + position: fixed; + top: 15px; + right: 30px; + z-index: 101; + padding: 15px; + border: 1px solid #DDD; + background: #FFF; + transition: opacity 0.5s; + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); + /* prevent variable number of digits in labels from resizing .diva-fullscreen-tools */ } + .diva-fullscreen-tools .diva-tools-left, .diva-fullscreen-tools .diva-tools-right { + margin-bottom: 0; } + .diva-fullscreen-tools .diva-tools-right { + margin-left: 2em; } + .diva-fullscreen-tools .diva-label, .diva-fullscreen-tools .diva-page-label { + margin: 0; } + .diva-fullscreen-tools .diva-zoom-label, .diva-fullscreen-tools .diva-grid-label, .diva-fullscreen-tools .diva-page-label { + width: 8em; + display: block; } + .diva-fullscreen-tools .diva-page-nav { + margin-right: 0; } + +.diva-outer { + display: flex; + clear: both; + background: #F1F1F1; + border: 1px solid #AAA; + position: relative; + overflow: hidden; + min-height: 100px; + min-width: 200px; + flex-grow: 1; } + +.diva-viewer-canvas { + position: absolute; + top: 0; + left: 0; } + +.diva-viewport { + position: absolute; + top: 0; + bottom: 0; + left: 0; + right: 0; + overflow: auto; } + +.diva-inner { + cursor: move; + /* fallback if grab cursor is unsupported */ + cursor: grab; + cursor: -moz-grab; + cursor: -webkit-grab; + position: relative; + overflow: hidden; + margin: 0 auto; } + .diva-inner.diva-grabbing { + cursor: grabbing; + cursor: -moz-grabbing; + cursor: -webkit-grabbing; } + +.diva-page { + box-shadow: 7px 7px 6px -6px rgba(0, 0, 0, 0.3); + position: absolute; + background-color: #FDFDFD; } + +.diva-page-tools-wrapper { + position: absolute; + z-index: 3; } + +.diva-page-tools { + position: relative; + top: -27px; + height: 20px; } + .diva-page-tools div { + display: inline-block; + height: 20px; + width: 20px; + cursor: pointer; + padding: 3px; } + .diva-page-tools div svg:hover .diva-pagetool-icon { + fill: #006ebc; } + +.diva-page-labels-wrapper { + position: absolute; + z-index: 3; } + +.diva-page-labels { + position: relative; + top: -20px; + height: 20px; + font-size: 0.8em; } + +.diva-fullscreen { + width: 100% !important; + max-width: 100% !important; + height: 100% !important; + max-height: 100% !important; + z-index: 100; + position: fixed !important; + top: 0; + left: 0; + margin: 0; + border: 0; } + +.diva-popup { + background: #FFF; + border: 1px solid #AAA; + padding: .6em; + z-index: 101; + position: absolute; + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); } + +.diva-link-popup { + font-size: 10pt; } + .diva-link-popup input { + width: 18em; } + .diva-link-popup input:focus { + outline: none; } + .diva-link-popup.in-fullscreen { + top: 150px; + right: 30px; } + +.diva-hide-scrollbar { + overflow: hidden !important; } + +.diva-slider { + position: relative; + top: 0.6em; + float: left; } + @media (max-width: 480px) { + .diva-slider { + width: 100px; } } + +.diva-throbber { + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); + width: 40px; + height: 40px; + margin: auto auto; + padding: 20px; + background-color: #fff; + /* + * Spinner positions + * 1 2 3 + * 4 5 6 + * 7 8 9 + */ } + .diva-throbber .cube { + width: 33.33%; + height: 33.33%; + background-color: #333; + float: left; + animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out; } + .diva-throbber .cube1 { + animation-delay: 0.2s; } + .diva-throbber .cube2 { + animation-delay: 0.3s; } + .diva-throbber .cube3 { + animation-delay: 0.4s; } + .diva-throbber .cube4 { + animation-delay: 0.1s; } + .diva-throbber .cube5 { + animation-delay: 0.2s; } + .diva-throbber .cube6 { + animation-delay: 0.3s; } + .diva-throbber .cube7 { + animation-delay: 0.0s; } + .diva-throbber .cube8 { + animation-delay: 0.1s; } + .diva-throbber .cube9 { + animation-delay: 0.2s; } + +@keyframes sk-cubeGridScaleDelay { + 0%, 70%, 100% { + transform: scale3D(1, 1, 1); } + 35% { + transform: scale3D(0, 0, 1); } } + +.diva-error { + position: absolute; + width: 400px; + height: 200px; + background-color: #fff; + border: 1px solid #ddd; + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); + top: 50%; + left: 50%; + margin-left: -220px; + margin-top: -120px; + z-index: 120; + padding: 0 1em; } + +.diva-error-close { + width: 18px; + height: 18px; + border: none; + position: absolute; + top: 1em; + right: 1em; } + .diva-error-close:hover { + cursor: hand; } + +.diva-modal { + position: absolute; + width: 32em; + max-height: 26em; + background-color: #fff; + border: 1px solid #ddd; + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); + top: 50%; + left: 50%; + transform: translate(-50%, -50%); + z-index: 120; + word-wrap: break-word; } + +.manipulation-fullscreen { + width: 100% !important; + max-width: 100% !important; + height: 100% !important; + max-height: 100% !important; + z-index: 100; + position: fixed !important; + top: 0; + left: 0; + margin: 0; + border: 0; + background-color: rgba(0, 0, 0, 0.9); + display: flex; } + +.manipulation-sidebar { + width: 15%; + overflow: scroll; + text-align: center; + padding: 10px; } + .manipulation-sidebar .manipulation-sidebar-primary-image, + .manipulation-sidebar .manipulation-sidebar-secondary-image { + margin: 10px 0; + padding-bottom: 10px; + border-bottom: 1px solid #fff; + color: #fff; } + +.manipulation-sidebar-mobile { + width: 50%; + text-align: center; + padding: 10px; + display: none; } + .manipulation-sidebar-mobile .manipulation-sidebar-primary-image, + .manipulation-sidebar-mobile .manipulation-sidebar-secondary-image { + margin: 10px 0; + padding-bottom: 10px; + border-bottom: 1px solid #fff; + color: #fff; } + +.manipulation-main-area { + width: 70%; + flex: 1 1 auto; + background-color: rgba(255, 255, 255, 0.5); + overflow: scroll; + text-align: center; + cursor: move; + /* fallback if grab cursor is unsupported */ + cursor: grab; + cursor: -moz-grab; + cursor: -webkit-grab; } + .manipulation-main-area.grabbing { + cursor: grabbing; + cursor: -moz-grabbing; + cursor: -webkit-grabbing; } + .manipulation-main-area canvas { + margin: 0 auto; } + +.manipulation-main-area-mobile { + width: 100%; + background-color: rgba(255, 255, 255, 0.5); + overflow: scroll; + text-align: center; + cursor: move; + /* fallback if grab cursor is unsupported */ + cursor: grab; + cursor: -moz-grab; + cursor: -webkit-grab; } + .manipulation-main-area-mobile.grabbing { + cursor: grabbing; + cursor: -moz-grabbing; + cursor: -webkit-grabbing; } + .manipulation-main-area-mobile canvas { + margin: 0 auto; } + +.manipulation-tools { + width: 15%; + flex: 1 1 auto; + overflow: auto; } + .manipulation-tools .manipulation-tools-text { + color: #FBF7F6; + margin-bottom: 0.7em; } + +.manipulation-tools-mobile { + width: 50%; + flex: 1 1 auto; + overflow: auto; + display: none; } + .manipulation-tools-mobile .manipulation-tools-text { + color: #FBF7F6; + margin-bottom: 0.7em; } + +.burger-menu { + position: fixed; + top: 0.5em; + left: 0.5em; + cursor: pointer; } + .burger-menu .stripe { + width: 2em; + height: 0.3em; + background-color: #fff5ef; + margin: 0.2em 0; } + +input[type=range] { + -webkit-appearance: none; + width: 100%; + margin: 4.5px 0; } + +input[type=range]:focus { + outline: none; } + +input[type=range]::-webkit-slider-runnable-track { + width: 100%; + height: 5px; + cursor: pointer; + box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); + background: rgba(255, 255, 255, 0.66); + border-radius: 25px; + border: 0px solid rgba(1, 1, 1, 0); } + +input[type=range]::-webkit-slider-thumb { + box-shadow: 1px 1px 6.2px rgba(0, 0, 49, 0.66), 0px 0px 1px rgba(0, 0, 75, 0.66); + border: 0.9px solid rgba(0, 0, 30, 0.42); + height: 13px; + width: 13px; + border-radius: 10px; + background: #ffffff; + cursor: pointer; + -webkit-appearance: none; + margin-top: -4.5px; } + +input[type=range]:focus::-webkit-slider-runnable-track { + background: rgba(253, 133, 243, 0.66); } + +input[type=range]::-moz-range-track { + width: 100%; + height: 5px; + cursor: pointer; + box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); + background: rgba(255, 255, 255, 0.66); + border-radius: 25px; + border: 0px solid rgba(1, 1, 1, 0); } + +input[type=range]::-moz-range-thumb { + box-shadow: 1px 1px 6.2px rgba(0, 0, 49, 0.66), 0px 0px 1px rgba(0, 0, 75, 0.66); + border: 0.9px solid rgba(0, 0, 30, 0.42); + height: 13px; + width: 13px; + border-radius: 10px; + background: #ffffff; + cursor: pointer; } + +input[type=range]::-ms-track { + width: 100%; + height: 4px; + cursor: pointer; + background: transparent; + border-color: transparent; + color: transparent; } + +input[type=range]::-ms-fill-lower { + background: rgba(251, 83, 239, 0.66); + border: 0px solid rgba(1, 1, 1, 0); + border-radius: 50px; + box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); } + +input[type=range]::-ms-fill-upper { + background: rgba(252, 108, 241, 0.66); + border: 0px solid rgba(1, 1, 1, 0); + border-radius: 50px; + box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); } + +input[type=range]::-ms-thumb { + box-shadow: 1px 1px 6.2px rgba(0, 0, 49, 0.66), 0px 0px 1px rgba(0, 0, 75, 0.66); + border: 0.9px solid rgba(0, 0, 30, 0.42); + height: 13px; + width: 13px; + border-radius: 10px; + background: #ffffff; + cursor: pointer; + height: 4px; } + +input[type=range]:focus::-ms-fill-lower { + background: rgba(252, 108, 241, 0.66); } + +input[type=range]:focus::-ms-fill-upper { + background: rgba(253, 133, 243, 0.66); } + +#metadata-content { + overflow-y: auto; + max-height: 20em; + padding: 2em; } + +#metadata-content dl dt { + font-weight: bold; } + +#metadata-content dl dd { + margin-left: 0; + margin-bottom: 1em; } + +#metadata-title { + margin: 0; + text-align: center; } + +.close-button { + position: absolute; + right: 1em; + top: 1em; } + +.close-button:hover { + color: tomato; } + + +/*# sourceMappingURL=diva.css.map*/ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/webapp/imageServer/resources/js/diva.css Fri Jul 05 16:05:57 2019 +0200 @@ -0,0 +1,554 @@ +.diva-wrapper { + min-height: 95vh; + width: 100%; + flex-grow: 1; } + .diva-wrapper.diva-wrapper-flexbox { + display: flex; + flex-direction: column; } + .diva-wrapper > *:not(.diva-outer) { + flex-shrink: 0; } + +.diva-title { + text-align: center; + font-weight: bold; + font-size: 1.3em; + max-width: 50em; + margin: 0 auto; } + +.diva-button, .diva-input { + box-sizing: border-box; + outline: none; + border-radius: 0; + font: inherit; + vertical-align: middle; } + .diva-button::-moz-focus-inner, .diva-input::-moz-focus-inner { + padding: 0; } + +.diva-button { + display: inline-block; + cursor: pointer; + height: 34px; + width: 34px; + line-height: 34px; + -webkit-appearance: none; + padding: 3px; + background-color: #F1F1F1; + background-repeat: no-repeat; + background-position: center; + border: 1px solid #AAA; } + .diva-button:hover, .diva-button:focus { + background-color: #FDFDFD; } + .diva-button.diva-button-text { + width: auto; + padding: 0 0.5em; } + +.diva-input { + height: 34px; + border: 1px solid #AAA; + padding: 0 0.5em; } + .diva-input:focus { + border-color: #919191; } + +.diva-label { + margin: 0 1em; + line-height: 34px; + vertical-align: top; + white-space: nowrap; + text-overflow: ellipsis; } + +.diva-tools-left, .diva-tools-right { + margin-bottom: 1em; } + +.diva-tools-left { + float: left; + user-select: none; } + +.diva-zoom-in-button, .diva-grid-in-button { + margin-left: -1px; } + +.diva-tools-right { + float: right; } + .diva-tools-right .diva-button { + margin-left: -1px; + user-select: none; } + +.diva-page-nav { + white-space: nowrap; + margin-right: 1em; } + +.diva-goto-form { + display: inline-block; + position: relative; } + +.diva-goto-page-input { + width: 5em; } + +.diva-input-suggestions { + display: none; + box-sizing: border-box; + position: absolute; + width: 100%; + background-color: white; + border: solid 1px #aaa; + border-top: none; + z-index: 1; } + +.diva-input-suggestion { + box-sizing: border-box; + width: 100%; + margin-top: 3px; + padding: 2px; + padding-left: 5px; + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; + cursor: pointer; } + +.diva-input-suggestion.active, .diva-input-suggestion:hover { + background-color: #dfefff; } + +.diva-view-menu { + display: inline-block; + position: relative; } + +.diva-view-options { + position: absolute; + top: 34px; + z-index: 1; + display: none; + box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.1); } + +.diva-view-options .diva-button { + margin-top: -1px; + display: block; } + +.diva-zoom-label, .diva-grid-label, .diva-page-label { + display: inline-block; } + +.diva-fullscreen-tools { + position: fixed; + top: 15px; + right: 30px; + z-index: 101; + padding: 15px; + border: 1px solid #DDD; + background: #FFF; + transition: opacity 0.5s; + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); + /* prevent variable number of digits in labels from resizing .diva-fullscreen-tools */ } + .diva-fullscreen-tools .diva-tools-left, .diva-fullscreen-tools .diva-tools-right { + margin-bottom: 0; } + .diva-fullscreen-tools .diva-tools-right { + margin-left: 2em; } + .diva-fullscreen-tools .diva-label, .diva-fullscreen-tools .diva-page-label { + margin: 0; } + .diva-fullscreen-tools .diva-zoom-label, .diva-fullscreen-tools .diva-grid-label, .diva-fullscreen-tools .diva-page-label { + width: 8em; + display: block; } + .diva-fullscreen-tools .diva-page-nav { + margin-right: 0; } + +.diva-outer { + display: flex; + clear: both; + background: #F1F1F1; + border: 1px solid #AAA; + position: relative; + overflow: hidden; + min-height: 100px; + min-width: 200px; + flex-grow: 1; } + +.diva-viewer-canvas { + position: absolute; + top: 0; + left: 0; } + +.diva-viewport { + position: absolute; + top: 0; + bottom: 0; + left: 0; + right: 0; + overflow: auto; } + +.diva-inner { + cursor: move; + /* fallback if grab cursor is unsupported */ + cursor: grab; + cursor: -moz-grab; + cursor: -webkit-grab; + position: relative; + overflow: hidden; + margin: 0 auto; } + .diva-inner.diva-grabbing { + cursor: grabbing; + cursor: -moz-grabbing; + cursor: -webkit-grabbing; } + +.diva-page { + box-shadow: 7px 7px 6px -6px rgba(0, 0, 0, 0.3); + position: absolute; + background-color: #FDFDFD; } + +.diva-page-tools-wrapper { + position: absolute; + z-index: 3; } + +.diva-page-tools { + position: relative; + top: -27px; + height: 20px; } + .diva-page-tools div { + display: inline-block; + height: 20px; + width: 20px; + cursor: pointer; + padding: 3px; } + .diva-page-tools div svg:hover .diva-pagetool-icon { + fill: #006ebc; } + +.diva-page-labels-wrapper { + position: absolute; + z-index: 3; } + +.diva-page-labels { + position: relative; + top: -20px; + height: 20px; + font-size: 0.8em; } + +.diva-fullscreen { + width: 100% !important; + max-width: 100% !important; + height: 100% !important; + max-height: 100% !important; + z-index: 100; + position: fixed !important; + top: 0; + left: 0; + margin: 0; + border: 0; } + +.diva-popup { + background: #FFF; + border: 1px solid #AAA; + padding: .6em; + z-index: 101; + position: absolute; + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); } + +.diva-link-popup { + font-size: 10pt; } + .diva-link-popup input { + width: 18em; } + .diva-link-popup input:focus { + outline: none; } + .diva-link-popup.in-fullscreen { + top: 150px; + right: 30px; } + +.diva-hide-scrollbar { + overflow: hidden !important; } + +.diva-slider { + position: relative; + top: 0.6em; + float: left; } + @media (max-width: 480px) { + .diva-slider { + width: 100px; } } + +.diva-throbber { + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); + width: 40px; + height: 40px; + margin: auto auto; + padding: 20px; + background-color: #fff; + /* + * Spinner positions + * 1 2 3 + * 4 5 6 + * 7 8 9 + */ } + .diva-throbber .cube { + width: 33.33%; + height: 33.33%; + background-color: #333; + float: left; + animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out; } + .diva-throbber .cube1 { + animation-delay: 0.2s; } + .diva-throbber .cube2 { + animation-delay: 0.3s; } + .diva-throbber .cube3 { + animation-delay: 0.4s; } + .diva-throbber .cube4 { + animation-delay: 0.1s; } + .diva-throbber .cube5 { + animation-delay: 0.2s; } + .diva-throbber .cube6 { + animation-delay: 0.3s; } + .diva-throbber .cube7 { + animation-delay: 0.0s; } + .diva-throbber .cube8 { + animation-delay: 0.1s; } + .diva-throbber .cube9 { + animation-delay: 0.2s; } + +@keyframes sk-cubeGridScaleDelay { + 0%, 70%, 100% { + transform: scale3D(1, 1, 1); } + 35% { + transform: scale3D(0, 0, 1); } } + +.diva-error { + position: absolute; + width: 400px; + height: 200px; + background-color: #fff; + border: 1px solid #ddd; + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); + top: 50%; + left: 50%; + margin-left: -220px; + margin-top: -120px; + z-index: 120; + padding: 0 1em; } + +.diva-error-close { + width: 18px; + height: 18px; + border: none; + position: absolute; + top: 1em; + right: 1em; } + .diva-error-close:hover { + cursor: hand; } + +.diva-modal { + position: absolute; + width: 32em; + max-height: 26em; + background-color: #fff; + border: 1px solid #ddd; + box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); + top: 50%; + left: 50%; + transform: translate(-50%, -50%); + z-index: 120; + word-wrap: break-word; } + +.manipulation-fullscreen { + width: 100% !important; + max-width: 100% !important; + height: 100% !important; + max-height: 100% !important; + z-index: 100; + position: fixed !important; + top: 0; + left: 0; + margin: 0; + border: 0; + background-color: rgba(0, 0, 0, 0.9); + display: flex; } + +.manipulation-sidebar { + width: 15%; + overflow: scroll; + text-align: center; + padding: 10px; } + .manipulation-sidebar .manipulation-sidebar-primary-image, + .manipulation-sidebar .manipulation-sidebar-secondary-image { + margin: 10px 0; + padding-bottom: 10px; + border-bottom: 1px solid #fff; + color: #fff; } + +.manipulation-sidebar-mobile { + width: 50%; + text-align: center; + padding: 10px; + display: none; } + .manipulation-sidebar-mobile .manipulation-sidebar-primary-image, + .manipulation-sidebar-mobile .manipulation-sidebar-secondary-image { + margin: 10px 0; + padding-bottom: 10px; + border-bottom: 1px solid #fff; + color: #fff; } + +.manipulation-main-area { + width: 70%; + flex: 1 1 auto; + background-color: rgba(255, 255, 255, 0.5); + overflow: scroll; + text-align: center; + cursor: move; + /* fallback if grab cursor is unsupported */ + cursor: grab; + cursor: -moz-grab; + cursor: -webkit-grab; } + .manipulation-main-area.grabbing { + cursor: grabbing; + cursor: -moz-grabbing; + cursor: -webkit-grabbing; } + .manipulation-main-area canvas { + margin: 0 auto; } + +.manipulation-main-area-mobile { + width: 100%; + background-color: rgba(255, 255, 255, 0.5); + overflow: scroll; + text-align: center; + cursor: move; + /* fallback if grab cursor is unsupported */ + cursor: grab; + cursor: -moz-grab; + cursor: -webkit-grab; } + .manipulation-main-area-mobile.grabbing { + cursor: grabbing; + cursor: -moz-grabbing; + cursor: -webkit-grabbing; } + .manipulation-main-area-mobile canvas { + margin: 0 auto; } + +.manipulation-tools { + width: 15%; + flex: 1 1 auto; + overflow: auto; } + .manipulation-tools .manipulation-tools-text { + color: #FBF7F6; + margin-bottom: 0.7em; } + +.manipulation-tools-mobile { + width: 50%; + flex: 1 1 auto; + overflow: auto; + display: none; } + .manipulation-tools-mobile .manipulation-tools-text { + color: #FBF7F6; + margin-bottom: 0.7em; } + +.burger-menu { + position: fixed; + top: 0.5em; + left: 0.5em; + cursor: pointer; } + .burger-menu .stripe { + width: 2em; + height: 0.3em; + background-color: #fff5ef; + margin: 0.2em 0; } + +input[type=range] { + -webkit-appearance: none; + width: 100%; + margin: 4.5px 0; } + +input[type=range]:focus { + outline: none; } + +input[type=range]::-webkit-slider-runnable-track { + width: 100%; + height: 5px; + cursor: pointer; + box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); + background: rgba(255, 255, 255, 0.66); + border-radius: 25px; + border: 0px solid rgba(1, 1, 1, 0); } + +input[type=range]::-webkit-slider-thumb { + box-shadow: 1px 1px 6.2px rgba(0, 0, 49, 0.66), 0px 0px 1px rgba(0, 0, 75, 0.66); + border: 0.9px solid rgba(0, 0, 30, 0.42); + height: 13px; + width: 13px; + border-radius: 10px; + background: #ffffff; + cursor: pointer; + -webkit-appearance: none; + margin-top: -4.5px; } + +input[type=range]:focus::-webkit-slider-runnable-track { + background: rgba(253, 133, 243, 0.66); } + +input[type=range]::-moz-range-track { + width: 100%; + height: 5px; + cursor: pointer; + box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); + background: rgba(255, 255, 255, 0.66); + border-radius: 25px; + border: 0px solid rgba(1, 1, 1, 0); } + +input[type=range]::-moz-range-thumb { + box-shadow: 1px 1px 6.2px rgba(0, 0, 49, 0.66), 0px 0px 1px rgba(0, 0, 75, 0.66); + border: 0.9px solid rgba(0, 0, 30, 0.42); + height: 13px; + width: 13px; + border-radius: 10px; + background: #ffffff; + cursor: pointer; } + +input[type=range]::-ms-track { + width: 100%; + height: 4px; + cursor: pointer; + background: transparent; + border-color: transparent; + color: transparent; } + +input[type=range]::-ms-fill-lower { + background: rgba(251, 83, 239, 0.66); + border: 0px solid rgba(1, 1, 1, 0); + border-radius: 50px; + box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); } + +input[type=range]::-ms-fill-upper { + background: rgba(252, 108, 241, 0.66); + border: 0px solid rgba(1, 1, 1, 0); + border-radius: 50px; + box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); } + +input[type=range]::-ms-thumb { + box-shadow: 1px 1px 6.2px rgba(0, 0, 49, 0.66), 0px 0px 1px rgba(0, 0, 75, 0.66); + border: 0.9px solid rgba(0, 0, 30, 0.42); + height: 13px; + width: 13px; + border-radius: 10px; + background: #ffffff; + cursor: pointer; + height: 4px; } + +input[type=range]:focus::-ms-fill-lower { + background: rgba(252, 108, 241, 0.66); } + +input[type=range]:focus::-ms-fill-upper { + background: rgba(253, 133, 243, 0.66); } + +#metadata-content { + overflow-y: auto; + max-height: 20em; + padding: 2em; } + +#metadata-content dl dt { + font-weight: bold; } + +#metadata-content dl dd { + margin-left: 0; + margin-bottom: 1em; } + +#metadata-title { + margin: 0; + text-align: center; } + +.close-button { + position: absolute; + right: 1em; + top: 1em; } + +.close-button:hover { + color: tomato; } + + +/*# sourceMappingURL=diva.css.map*/ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/webapp/imageServer/resources/js/diva.css.map Fri Jul 05 16:05:57 2019 +0200 @@ -0,0 +1,1 @@ +{"version":3,"file":"diva.css","sources":["webpack:///./source/css/diva.scss"],"sourcesContent":[".diva-wrapper {\n min-height: 95vh;\n width: 100%;\n flex-grow: 1; }\n .diva-wrapper.diva-wrapper-flexbox {\n display: flex;\n flex-direction: column; }\n .diva-wrapper > *:not(.diva-outer) {\n flex-shrink: 0; }\n\n.diva-title {\n text-align: center;\n font-weight: bold;\n font-size: 1.3em;\n max-width: 50em;\n margin: 0 auto; }\n\n.diva-button, .diva-input {\n box-sizing: border-box;\n outline: none;\n border-radius: 0;\n font: inherit;\n vertical-align: middle; }\n .diva-button::-moz-focus-inner, .diva-input::-moz-focus-inner {\n padding: 0; }\n\n.diva-button {\n display: inline-block;\n cursor: pointer;\n height: 34px;\n width: 34px;\n line-height: 34px;\n -webkit-appearance: none;\n padding: 3px;\n background-color: #F1F1F1;\n background-repeat: no-repeat;\n background-position: center;\n border: 1px solid #AAA; }\n .diva-button:hover, .diva-button:focus {\n background-color: #FDFDFD; }\n .diva-button.diva-button-text {\n width: auto;\n padding: 0 0.5em; }\n\n.diva-input {\n height: 34px;\n border: 1px solid #AAA;\n padding: 0 0.5em; }\n .diva-input:focus {\n border-color: #919191; }\n\n.diva-label {\n margin: 0 1em;\n line-height: 34px;\n vertical-align: top;\n white-space: nowrap;\n text-overflow: ellipsis; }\n\n.diva-tools-left, .diva-tools-right {\n margin-bottom: 1em; }\n\n.diva-tools-left {\n float: left;\n user-select: none; }\n\n.diva-zoom-in-button, .diva-grid-in-button {\n margin-left: -1px; }\n\n.diva-tools-right {\n float: right; }\n .diva-tools-right .diva-button {\n margin-left: -1px;\n user-select: none; }\n\n.diva-page-nav {\n white-space: nowrap;\n margin-right: 1em; }\n\n.diva-goto-form {\n display: inline-block;\n position: relative; }\n\n.diva-goto-page-input {\n width: 5em; }\n\n.diva-input-suggestions {\n display: none;\n box-sizing: border-box;\n position: absolute;\n width: 100%;\n background-color: white;\n border: solid 1px #aaa;\n border-top: none;\n z-index: 1; }\n\n.diva-input-suggestion {\n box-sizing: border-box;\n width: 100%;\n margin-top: 3px;\n padding: 2px;\n padding-left: 5px;\n white-space: nowrap;\n overflow: hidden;\n text-overflow: ellipsis;\n cursor: pointer; }\n\n.diva-input-suggestion.active, .diva-input-suggestion:hover {\n background-color: #dfefff; }\n\n.diva-view-menu {\n display: inline-block;\n position: relative; }\n\n.diva-view-options {\n position: absolute;\n top: 34px;\n z-index: 1;\n display: none;\n box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.1); }\n\n.diva-view-options .diva-button {\n margin-top: -1px;\n display: block; }\n\n.diva-zoom-label, .diva-grid-label, .diva-page-label {\n display: inline-block; }\n\n.diva-fullscreen-tools {\n position: fixed;\n top: 15px;\n right: 30px;\n z-index: 101;\n padding: 15px;\n border: 1px solid #DDD;\n background: #FFF;\n transition: opacity 0.5s;\n box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5);\n /* prevent variable number of digits in labels from resizing .diva-fullscreen-tools */ }\n .diva-fullscreen-tools .diva-tools-left, .diva-fullscreen-tools .diva-tools-right {\n margin-bottom: 0; }\n .diva-fullscreen-tools .diva-tools-right {\n margin-left: 2em; }\n .diva-fullscreen-tools .diva-label, .diva-fullscreen-tools .diva-page-label {\n margin: 0; }\n .diva-fullscreen-tools .diva-zoom-label, .diva-fullscreen-tools .diva-grid-label, .diva-fullscreen-tools .diva-page-label {\n width: 8em;\n display: block; }\n .diva-fullscreen-tools .diva-page-nav {\n margin-right: 0; }\n\n.diva-outer {\n display: flex;\n clear: both;\n background: #F1F1F1;\n border: 1px solid #AAA;\n position: relative;\n overflow: hidden;\n min-height: 100px;\n min-width: 200px;\n flex-grow: 1; }\n\n.diva-viewer-canvas {\n position: absolute;\n top: 0;\n left: 0; }\n\n.diva-viewport {\n position: absolute;\n top: 0;\n bottom: 0;\n left: 0;\n right: 0;\n overflow: auto; }\n\n.diva-inner {\n cursor: move;\n /* fallback if grab cursor is unsupported */\n cursor: grab;\n cursor: -moz-grab;\n cursor: -webkit-grab;\n position: relative;\n overflow: hidden;\n margin: 0 auto; }\n .diva-inner.diva-grabbing {\n cursor: grabbing;\n cursor: -moz-grabbing;\n cursor: -webkit-grabbing; }\n\n.diva-page {\n box-shadow: 7px 7px 6px -6px rgba(0, 0, 0, 0.3);\n position: absolute;\n background-color: #FDFDFD; }\n\n.diva-page-tools-wrapper {\n position: absolute;\n z-index: 3; }\n\n.diva-page-tools {\n position: relative;\n top: -27px;\n height: 20px; }\n .diva-page-tools div {\n display: inline-block;\n height: 20px;\n width: 20px;\n cursor: pointer;\n padding: 3px; }\n .diva-page-tools div svg:hover .diva-pagetool-icon {\n fill: #006ebc; }\n\n.diva-page-labels-wrapper {\n position: absolute;\n z-index: 3; }\n\n.diva-page-labels {\n position: relative;\n top: -20px;\n height: 20px;\n font-size: 0.8em; }\n\n.diva-fullscreen {\n width: 100% !important;\n max-width: 100% !important;\n height: 100% !important;\n max-height: 100% !important;\n z-index: 100;\n position: fixed !important;\n top: 0;\n left: 0;\n margin: 0;\n border: 0; }\n\n.diva-popup {\n background: #FFF;\n border: 1px solid #AAA;\n padding: .6em;\n z-index: 101;\n position: absolute;\n box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5); }\n\n.diva-link-popup {\n font-size: 10pt; }\n .diva-link-popup input {\n width: 18em; }\n .diva-link-popup input:focus {\n outline: none; }\n .diva-link-popup.in-fullscreen {\n top: 150px;\n right: 30px; }\n\n.diva-hide-scrollbar {\n overflow: hidden !important; }\n\n.diva-slider {\n position: relative;\n top: 0.6em;\n float: left; }\n @media (max-width: 480px) {\n .diva-slider {\n width: 100px; } }\n\n.diva-throbber {\n box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5);\n width: 40px;\n height: 40px;\n margin: auto auto;\n padding: 20px;\n background-color: #fff;\n /*\n * Spinner positions\n * 1 2 3\n * 4 5 6\n * 7 8 9\n */ }\n .diva-throbber .cube {\n width: 33.33%;\n height: 33.33%;\n background-color: #333;\n float: left;\n animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out; }\n .diva-throbber .cube1 {\n animation-delay: 0.2s; }\n .diva-throbber .cube2 {\n animation-delay: 0.3s; }\n .diva-throbber .cube3 {\n animation-delay: 0.4s; }\n .diva-throbber .cube4 {\n animation-delay: 0.1s; }\n .diva-throbber .cube5 {\n animation-delay: 0.2s; }\n .diva-throbber .cube6 {\n animation-delay: 0.3s; }\n .diva-throbber .cube7 {\n animation-delay: 0.0s; }\n .diva-throbber .cube8 {\n animation-delay: 0.1s; }\n .diva-throbber .cube9 {\n animation-delay: 0.2s; }\n\n@keyframes sk-cubeGridScaleDelay {\n 0%, 70%, 100% {\n transform: scale3D(1, 1, 1); }\n 35% {\n transform: scale3D(0, 0, 1); } }\n\n.diva-error {\n position: absolute;\n width: 400px;\n height: 200px;\n background-color: #fff;\n border: 1px solid #ddd;\n box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5);\n top: 50%;\n left: 50%;\n margin-left: -220px;\n margin-top: -120px;\n z-index: 120;\n padding: 0 1em; }\n\n.diva-error-close {\n width: 18px;\n height: 18px;\n border: none;\n position: absolute;\n top: 1em;\n right: 1em; }\n .diva-error-close:hover {\n cursor: hand; }\n\n.diva-modal {\n position: absolute;\n width: 32em;\n max-height: 26em;\n background-color: #fff;\n border: 1px solid #ddd;\n box-shadow: 2px 2px 4px 0 rgba(0, 0, 0, 0.5);\n top: 50%;\n left: 50%;\n transform: translate(-50%, -50%);\n z-index: 120;\n word-wrap: break-word; }\n\n.manipulation-fullscreen {\n width: 100% !important;\n max-width: 100% !important;\n height: 100% !important;\n max-height: 100% !important;\n z-index: 100;\n position: fixed !important;\n top: 0;\n left: 0;\n margin: 0;\n border: 0;\n background-color: rgba(0, 0, 0, 0.9);\n display: flex; }\n\n.manipulation-sidebar {\n width: 15%;\n overflow: scroll;\n text-align: center;\n padding: 10px; }\n .manipulation-sidebar .manipulation-sidebar-primary-image,\n .manipulation-sidebar .manipulation-sidebar-secondary-image {\n margin: 10px 0;\n padding-bottom: 10px;\n border-bottom: 1px solid #fff;\n color: #fff; }\n\n.manipulation-sidebar-mobile {\n width: 50%;\n text-align: center;\n padding: 10px;\n display: none; }\n .manipulation-sidebar-mobile .manipulation-sidebar-primary-image,\n .manipulation-sidebar-mobile .manipulation-sidebar-secondary-image {\n margin: 10px 0;\n padding-bottom: 10px;\n border-bottom: 1px solid #fff;\n color: #fff; }\n\n.manipulation-main-area {\n width: 70%;\n flex: 1 1 auto;\n background-color: rgba(255, 255, 255, 0.5);\n overflow: scroll;\n text-align: center;\n cursor: move;\n /* fallback if grab cursor is unsupported */\n cursor: grab;\n cursor: -moz-grab;\n cursor: -webkit-grab; }\n .manipulation-main-area.grabbing {\n cursor: grabbing;\n cursor: -moz-grabbing;\n cursor: -webkit-grabbing; }\n .manipulation-main-area canvas {\n margin: 0 auto; }\n\n.manipulation-main-area-mobile {\n width: 100%;\n background-color: rgba(255, 255, 255, 0.5);\n overflow: scroll;\n text-align: center;\n cursor: move;\n /* fallback if grab cursor is unsupported */\n cursor: grab;\n cursor: -moz-grab;\n cursor: -webkit-grab; }\n .manipulation-main-area-mobile.grabbing {\n cursor: grabbing;\n cursor: -moz-grabbing;\n cursor: -webkit-grabbing; }\n .manipulation-main-area-mobile canvas {\n margin: 0 auto; }\n\n.manipulation-tools {\n width: 15%;\n flex: 1 1 auto;\n overflow: auto; }\n .manipulation-tools .manipulation-tools-text {\n color: #FBF7F6;\n margin-bottom: 0.7em; }\n\n.manipulation-tools-mobile {\n width: 50%;\n flex: 1 1 auto;\n overflow: auto;\n display: none; }\n .manipulation-tools-mobile .manipulation-tools-text {\n color: #FBF7F6;\n margin-bottom: 0.7em; }\n\n.burger-menu {\n position: fixed;\n top: 0.5em;\n left: 0.5em;\n cursor: pointer; }\n .burger-menu .stripe {\n width: 2em;\n height: 0.3em;\n background-color: #fff5ef;\n margin: 0.2em 0; }\n\ninput[type=range] {\n -webkit-appearance: none;\n width: 100%;\n margin: 4.5px 0; }\n\ninput[type=range]:focus {\n outline: none; }\n\ninput[type=range]::-webkit-slider-runnable-track {\n width: 100%;\n height: 5px;\n cursor: pointer;\n box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32);\n background: rgba(255, 255, 255, 0.66);\n border-radius: 25px;\n border: 0px solid rgba(1, 1, 1, 0); }\n\ninput[type=range]::-webkit-slider-thumb {\n box-shadow: 1px 1px 6.2px rgba(0, 0, 49, 0.66), 0px 0px 1px rgba(0, 0, 75, 0.66);\n border: 0.9px solid rgba(0, 0, 30, 0.42);\n height: 13px;\n width: 13px;\n border-radius: 10px;\n background: #ffffff;\n cursor: pointer;\n -webkit-appearance: none;\n margin-top: -4.5px; }\n\ninput[type=range]:focus::-webkit-slider-runnable-track {\n background: rgba(253, 133, 243, 0.66); }\n\ninput[type=range]::-moz-range-track {\n width: 100%;\n height: 5px;\n cursor: pointer;\n box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32);\n background: rgba(255, 255, 255, 0.66);\n border-radius: 25px;\n border: 0px solid rgba(1, 1, 1, 0); }\n\ninput[type=range]::-moz-range-thumb {\n box-shadow: 1px 1px 6.2px rgba(0, 0, 49, 0.66), 0px 0px 1px rgba(0, 0, 75, 0.66);\n border: 0.9px solid rgba(0, 0, 30, 0.42);\n height: 13px;\n width: 13px;\n border-radius: 10px;\n background: #ffffff;\n cursor: pointer; }\n\ninput[type=range]::-ms-track {\n width: 100%;\n height: 4px;\n cursor: pointer;\n background: transparent;\n border-color: transparent;\n color: transparent; }\n\ninput[type=range]::-ms-fill-lower {\n background: rgba(251, 83, 239, 0.66);\n border: 0px solid rgba(1, 1, 1, 0);\n border-radius: 50px;\n box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); }\n\ninput[type=range]::-ms-fill-upper {\n background: rgba(252, 108, 241, 0.66);\n border: 0px solid rgba(1, 1, 1, 0);\n border-radius: 50px;\n box-shadow: 0.4px 0.4px 2.4px rgba(0, 0, 0, 0.32), 0px 0px 0.4px rgba(13, 13, 13, 0.32); }\n\ninput[type=range]::-ms-thumb {\n box-shadow: 1px 1px 6.2px rgba(0, 0, 49, 0.66), 0px 0px 1px rgba(0, 0, 75, 0.66);\n border: 0.9px solid rgba(0, 0, 30, 0.42);\n height: 13px;\n width: 13px;\n border-radius: 10px;\n background: #ffffff;\n cursor: pointer;\n height: 4px; 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--- a/src/main/webapp/imageServer/resources/js/diva.js Mon Jul 01 15:05:05 2019 +0200 +++ b/src/main/webapp/imageServer/resources/js/diva.js Fri Jul 05 16:05:57 2019 +0200 @@ -1,2592 +1,9 @@ -window.divaPlugins = []; - -// this pattern was taken from http://www.virgentech.com/blog/2009/10/building-object-oriented-jquery-plugin.html -(function ($) -{ - var Diva = function (element, options) - { - // These are elements that can be overridden upon instantiation - // See https://github.com/DDMAL/diva.js/wiki/Code-documentation for more details - var defaults = { - adaptivePadding: 0.05, // The ratio of padding to the page dimension - blockMobileMove: true, // Prevent moving or scrolling the page on mobile devices - contained: false, // Determines the location of the fullscreen icon - objectData: '', // URL to the JSON file that provides the object dimension data - *MANDATORY* - enableAutoHeight: false, // Automatically adjust height based on the window size - enableAutoTitle: true, // Shows the title within a div of id diva-title - enableAutoWidth: true, // Automatically adjust width based on the window size - enableCanvas: true, // Used for the canvas plugin - enableDownload: true, // Used for the download plugin - enableFilename: true, // Uses filenames and not page numbers for links (i=bm_001.tif, not p=1) - enableFullscreen: true, // Enable or disable fullscreen icon (mode still available) - enableGotoPage: true, // A "go to page" jump box - enableGridIcon: true, // A grid view of all the pages - enableGridSlider: true, // Slider to control the pages per grid row - enableKeyScroll: true, // Scrolling using the page up/down keys - enableLinkIcon: true, // Controls the visibility of the link icon - enableSpaceScroll: false, // Scrolling down by pressing the space key - enableToolbar: true, // Enables the toolbar. Note that disabling this means you have to handle all controls yourself. - enableZoomSlider: true, // Enable or disable the zoom slider (for zooming in and out) - fixedPadding: 10, // Fallback if adaptive padding is set to 0 - fixedHeightGrid: true, // So each page in grid view has the same height (only widths differ) - goDirectlyTo: 0, // Default initial page to show (0-indexed) - iipServerURL: '', // The URL to the IIPImage installation, including the `?FIF=` - *MANDATORY* - inFullscreen: false, // Set to true to load fullscreen mode initially - inGrid: false, // Set to true to load grid view initially - imageDir: '', // Image directory, either absolute path or relative to IIP's FILESYSTEM_PREFIX - *MANDATORY* - maxPagesPerRow: 8, // Maximum number of pages per row, grid view - maxZoomLevel: -1, // Optional; defaults to the max zoom returned in the JSON response - minPagesPerRow: 2, // 2 for the spread view. Recommended to leave it - minZoomLevel: 0, // Defaults to 0 (the minimum zoom) - onDocumentLoaded: null, // Callback function for when the document is fully loaded - onModeToggle: null, // Callback for toggling fullscreen mode - onViewToggle: null, // Callback for switching between grid and document view - onJump: null, // Callback function for jumping to a specific page (using the gotoPage feature) - onPageLoad: null, // Callback function for loading pages - onPageLoaded: null, // Callback function for after the page has been loaded - onReady: null, // Callback function for initial load - onScroll: null, // Callback function for scrolling - onScrollDown: null, // Callback function for scrolling down, only - onScrollUp: null, // Callback function for scrolling up only - onSetCurrentPage: null, // Callback function for when the current page is set - onZoom: null, // Callback function for zooming in general - onZoomIn: null, // Callback function for zooming in only - onZoomOut: null, // Callback function for zooming out only - pageLoadTimeout: 200, // Number of milliseconds to wait before loading pages - pagesPerRow: 5, // The default number of pages per row in grid view - rowLoadTimeout: 50, // Number of milliseconds to wait before loading a row - throbberTimeout: 100, // Number of milliseconds to wait before showing throbber - tileHeight: 256, // The height of each tile, in pixels; usually 256 - tileWidth: 256, // The width of each tile, in pixels; usually 256 - toolbarParentSelector: null, // The toolbar parent selector. If null, it defaults to the primary diva element. Must be a jQuery selector (leading '#') - viewerHeightPadding: 15, // Vertical padding when resizing the viewer, if enableAutoHeight is set - viewerWidthPadding: 30, // Horizontal padding when resizing the viewer, if enableAutoHeight is set - viewportMargin: 200, // Pretend tiles +/- 200px away from viewport are in - zoomLevel: 2 // The initial zoom level (used to store the current zoom level) - }; - - // Apply the defaults, or override them with passed-in options. - var settings = $.extend({}, defaults, options); - - // Things that cannot be changed because of the way they are used by the script - // Many of these are declared with arbitrary values that are changed later on - var globals = { - allTilesLoaded: [], // A boolean for each page, indicating if all tiles have been loaded - averageHeights: [], // The average page height for each zoom level - averageWidths: [], // The average page width for each zoom level - currentPageIndex: 0, // The current page in the viewport (center-most page) - dimAfterZoom: 0, // Used for storing the item dimensions after zooming - firstPageLoaded: -1, // The ID of the first page loaded (value set later) - firstRowLoaded: -1, // The index of the first row loaded - gridPageWidth: 0, // Holds the max width of each row in grid view. Calculated in loadGrid() - hashParamSuffix: '', // Used when there are multiple document viewers on a page - heightAbovePages: [], // The height above each page at the current zoom level - horizontalOffset: 0, // Used in documentScroll for scrolling more precisely - horizontalPadding: 0, // Either the fixed padding or adaptive padding - ID: null, // The prefix of the IDs of the elements (usually 1-diva-) - innerSelector: '', // settings.selector + 'inner', for selecting the .diva-inner element - itemTitle: '', // The title of the document - lastPageLoaded: -1, // The ID of the last page loaded (value set later) - lastRowLoaded: -1, // The index of the last row loaded - leftScrollSoFar: 0, // Current scroll from the left edge of the pane - loaded: false, // A flag for when everything is loaded and ready to go. - maxWidths: [], // The width of the widest page for each zoom level - maxRatio: 0, // The max height/width ratio (for grid view) - minHeight: 0, // Minimum height of the .diva-outer element, as defined in the CSS - minRatio: 0, // The minimum height/width ratio for a page - minWidth: 0, // Minimum width of the .diva-outer element, as defined in the CSS - mobileWebkit: false, // Checks if the user is on a touch device (iPad/iPod/iPhone/Android) - numPages: 0, // Number of pages in the array - numRows: 0, // Number of rows - oldPagesPerRow: 0, // Holds the previous number of pages per row after it is changed - oldZoomLevel: -1, // Holds the previous zoom level after zooming in or out - orientationChange: false, // For handling device orientation changes for touch devices - originalHeight: 0, // Stores the original height of the .diva-outer element - originalWidth: 0, // Stores the original width of the .diva-outer element - outerSelector: '', // settings.selector + 'outer', for selecting the .diva-outer element - pages: [], // An array containing the data for all the pages - pageLeftOffsets: [], // Offset from the left side of the pane to the edge of the page - pageTimeouts: [], // Stack to hold the loadPage timeouts - pageTools: '', // The string for page tools - panelHeight: 0, // Height of the document viewer pane - panelWidth: 0, // Width of the document viewer pane - plugins: [], // Filled with the enabled plugins from window.divaPlugins - previousTopScroll: 0, // Used to determine vertical scroll direction - preZoomOffset: null, // Holds the offset prior to zooming when double-clicking - realMaxZoom: -1, // To hold the true max zoom level of the document (needed for calculations) - resizeTimer: -1, // Holds the ID of the timeout used when resizing the window (for clearing) - rowHeight: 0, // Holds the max height of each row in grid view. Calculated in loadGrid() - scaleWait: false, // For preventing double-zoom on touch devices (iPad, etc) - selector: '', // Uses the generated ID prefix to easily select elements - singleClick: false, // Used for catching ctrl+double-click events in Firefox in Mac OS - scrollbarWidth: 0, // Set to the actual scrollbar width in init() - throbberTimeoutID: -1, // Holds the ID of the throbber loading timeout - toolbar: null, // Holds an object with some toolbar-related functions - topScrollSoFar: 0, // Holds the number of pixels of vertical scroll - totalHeights: [], // The total height of all pages (stacked together) for each zoom level - totalHeight: 0, // The total height for the current zoom level (including padding) - verticalOffset: 0, // See horizontalOffset - verticalPadding: 0, // Either the fixed padding or adaptive padding - viewerXOffset: 0, // Distance between left edge of viewer and document left edge - viewerYOffset: 0 // Like viewerXOffset but for the top edges - }; - - $.extend(settings, globals); - - // Executes a callback function with the diva instance set as the context - // Can take an unlimited number to arguments to pass to the callback function - var self = this; - - var executeCallback = function (callback) - { - var args, i, length; - - if (typeof callback === "function") - { - args = []; - for (i = 1, length = arguments.length; i < length; i++) - { - args.push(arguments[i]); - } - - callback.apply(self, args); - - return true; - } - - return false; - }; - - var getPageData = function (pageIndex, attribute) - { - return settings.pages[pageIndex].d[settings.zoomLevel][attribute]; - }; - - // Returns the page index associated with the given filename; must called after settings settings.pages - var getPageIndex = function (filename) - { - var i, - np = settings.numPages; - - for (i = 0; i < np; i++) - { - if (settings.pages[i].f === filename) - { - return i; - } - } - - return -1; - }; - - // Checks if a tile is within the viewport horizontally - var isHorizontallyInViewport = function (left, right) - { - var panelWidth = settings.panelWidth; - var leftOfViewport = settings.leftScrollSoFar - settings.viewportMargin; - var rightOfViewport = leftOfViewport + panelWidth + settings.viewportMargin * 2; - - var leftVisible = left >= leftOfViewport && left <= rightOfViewport; - var rightVisible = right >= leftOfViewport && right <= rightOfViewport; - var middleVisible = left <= leftOfViewport && right >= rightOfViewport; - - return (leftVisible || middleVisible || rightVisible); - }; - - // Checks if a page or tile is within the viewport vertically - var isVerticallyInViewport = function (top, bottom) - { - var panelHeight = settings.panelHeight; - var topOfViewport = settings.topScrollSoFar - settings.viewportMargin; - var bottomOfViewport = topOfViewport + panelHeight + settings.viewportMargin * 2; - - var topVisible = top >= topOfViewport && top <= bottomOfViewport; - var middleVisible = top <= topOfViewport && bottom >= bottomOfViewport; - var bottomVisible = bottom >= topOfViewport && bottom <= bottomOfViewport; - - return (topVisible || middleVisible || bottomVisible); - }; - - // Check if a tile is near the viewport and thus should be loaded - var isTileVisible = function (pageIndex, tileRow, tileCol) - { - var tileTop = settings.heightAbovePages[pageIndex] + (tileRow * settings.tileHeight) + settings.verticalPadding; - var tileBottom = tileTop + settings.tileHeight; - var tileLeft = settings.pageLeftOffsets[pageIndex] + (tileCol * settings.tileWidth); - var tileRight = tileLeft + settings.tileWidth; - - return isVerticallyInViewport(tileTop, tileBottom) && isHorizontallyInViewport(tileLeft, tileRight); - }; - - // Check if a tile has been appended to the DOM - var isTileLoaded = function (pageIndex, tileIndex) - { - return document.getElementById(settings.ID + 'tile-' + pageIndex + '-' + tileIndex) === false; - }; - - // Check if a page index is valid - var isPageValid = function (pageIndex) - { - return pageIndex >= 0 && pageIndex < settings.numPages; - }; - - // Check if a page is in or near the viewport and thus should be loaded - var isPageVisible = function (pageIndex) - { - var topOfPage = settings.heightAbovePages[pageIndex]; - var bottomOfPage = topOfPage + getPageData(pageIndex, 'h') + settings.verticalPadding; - - return isVerticallyInViewport(topOfPage, bottomOfPage); - }; - - // Check if a page has been appended to the DOM - var isPageLoaded = function (pageIndex) - { - return $(document.getElementById(settings.ID + 'page-' + pageIndex)).length > 0; - }; - - // Appends the page directly into the document body, or loads the relevant tiles - var loadPage = function (pageIndex) - { - // If the page and all of its tiles have been loaded, exit - if (isPageLoaded(pageIndex) && settings.allTilesLoaded[pageIndex]) - { - return; - } - - // Load some data for this page - var filename = settings.pages[pageIndex].f; - var width = getPageData(pageIndex, 'w'); - var height = getPageData(pageIndex, 'h'); - var heightFromTop = settings.heightAbovePages[pageIndex] + settings.verticalPadding; - var pageSelector = settings.selector + 'page-' + pageIndex; - var plugin; - - // If the page has not been loaded yet, append the div to the DOM - if (!isPageLoaded(pageIndex)) - { - $(document.getElementById(settings.ID + "inner")).append('<div id="' + settings.ID + 'page-' + pageIndex + '" style="top: ' + heightFromTop + 'px; width: ' + width + 'px; height: ' + height + 'px;" class="diva-document-page" title="Page ' + (pageIndex + 1) + '" data-index="' + pageIndex + '" data-filename="' + filename + '">' + settings.pageTools + '</div>'); - - // Call the callback function - executeCallback(settings.onPageLoad, pageIndex, filename, pageSelector); - Events.publish("PageHasLoaded", [pageIndex, filename, pageSelector]); - - // @TODO: Replace this with a notification. - // Execute the callback functions for any of the enabled plugins - for (plugin in settings.plugins) { - executeCallback(settings.plugins[plugin].onPageLoad, pageIndex, filename, pageSelector); - } - } - - // There are still tiles to load, so try to load those (after a delay) - settings.pageTimeouts.push(setTimeout(function () - { - // If the page is no longer in the viewport, don't load any tiles - if (!isPageVisible(pageIndex)) - { - return; - } - - var imdir = settings.imageDir + "/"; - // Load some more data and initialise some variables - var rows = getPageData(pageIndex, 'r'); - var cols = getPageData(pageIndex, 'c'); - var maxZoom = settings.pages[pageIndex].m; - var baseURL = settings.iipServerURL + "?FIF=" + imdir + filename + '&JTL='; - var content = []; - var allTilesLoaded = true; - var tileIndex = 0; - var i; - - // Calculate the width and height of outer tiles (non-standard dimensions) - var lastHeight = height - (rows - 1) * settings.tileHeight; - var lastWidth = width - (cols - 1) * settings.tileWidth; - - // Declare variables used within the loops - var row, col, tileHeight, tileWidth, top, left, displayStyle, zoomLevel, imageURL; - - // Adjust the zoom level based on the max zoom level of the page - zoomLevel = settings.zoomLevel + maxZoom - settings.realMaxZoom; - baseImageURL = baseURL + zoomLevel + ','; - - // Loop through all the tiles in this page - row = 0; - while (row < rows) - { - col = 0; - while (col < cols) - { - top = row * settings.tileHeight; - left = col * settings.tileWidth; - - // If the tile is in the last row or column, its dimensions will be different - tileHeight = (row === rows - 1) ? lastHeight : settings.tileHeight; - tileWidth = (col === cols - 1) ? lastWidth : settings.tileWidth; - - imageURL = baseImageURL + tileIndex; - - // this check looks to see if the tile is already loaded, and then if - // it isn't, if it should be visible. - if (!isTileLoaded(pageIndex, tileIndex)) { - if (isTileVisible(pageIndex, row, col)) { - content.push('<div id="' + settings.ID + 'tile-' + pageIndex + '-' + tileIndex + '" style="display:inline; position: absolute; top: ' + top + 'px; left: ' + left + 'px; background-image: url(\'' + imageURL + '\'); height: ' + tileHeight + 'px; width: ' + tileWidth + 'px;"></div>'); - } else { - // The tile does not need to be loaded - not all have been loaded - allTilesLoaded = false; - } - } - tileIndex++; - col++; - } - row++; - } - - settings.allTilesLoaded[pageIndex] = allTilesLoaded; - $(document.getElementById(settings.ID + 'page-' + pageIndex)).append(content.join('')); - - executeCallback(settings.onPageLoaded, pageIndex, filename, pageSelector); - - }, settings.pageLoadTimeout)); - }; - - // Delete a page from the DOM; will occur when a page is scrolled out of the viewport - var deletePage = function (pageIndex) - { - $(document.getElementById(settings.ID + 'page-' + pageIndex)).empty().remove(); - }; - - // Check if the bottom of a page is above the top of a viewport (scrolling down) - // For when you want to keep looping but don't want to load a specific page - var pageAboveViewport = function (pageIndex) - { - var bottomOfPage = settings.heightAbovePages[pageIndex] + getPageData(pageIndex, 'h') + settings.verticalPadding; - var topOfViewport = settings.topScrollSoFar; - - return bottomOfPage < topOfViewport; - }; - - // Check if the top of a page is below the bottom of a viewport (scrolling up) - var pageBelowViewport = function (pageIndex) - { - var topOfPage = settings.heightAbovePages[pageIndex]; - var bottomOfViewport = settings.topScrollSoFar + settings.panelHeight; - - return topOfPage > bottomOfViewport; - }; - - // Called by adjust pages - determine what pages should be visible, and show them - var attemptPageShow = function (pageIndex, direction) - { - if (direction > 0) - { - // Direction is positive - we're scrolling down - if (isPageValid(pageIndex)) - { - // If the page should be visible, then yes, add it - if (isPageVisible(pageIndex)) - { - loadPage(pageIndex); - - settings.lastPageLoaded = pageIndex; - - // Recursively call this function until there's nothing to add - attemptPageShow(settings.lastPageLoaded + 1, direction); - } - else if (pageAboveViewport(pageIndex)) - { - // If the page is below the viewport. try to load the next one - attemptPageShow(pageIndex + 1, direction); - } - } - } - else - { - // Direction is negative - we're scrolling up - if (isPageValid(pageIndex)) - { - // If it's near the viewport, yes, add it - if (isPageVisible(pageIndex)) - { - loadPage(pageIndex); - - // Reset the first page loaded to this one - settings.firstPageLoaded = pageIndex; - - // Recursively call this function until there's nothing to add - attemptPageShow(settings.firstPageLoaded - 1, direction); - } - else if (pageBelowViewport(pageIndex)) - { - // Attempt to call this on the next page, do not increment anything - attemptPageShow(pageIndex - 1, direction); - } - } - } - }; - - // Called by adjustPages - see what pages need to be hidden, and hide them - var attemptPageHide = function (pageIndex, direction) - { - if (direction > 0) - { - // Scrolling down - see if this page needs to be deleted from the DOM - if (isPageValid(pageIndex) && pageAboveViewport(pageIndex)) - { - // Yes, delete it, reset the first page loaded - deletePage(pageIndex); - settings.firstPageLoaded = pageIndex + 1; - - // Try to call this function recursively until there's nothing to delete - attemptPageHide(settings.firstPageLoaded, direction); - } - } - else - { - // Direction must be negative (not 0 - see adjustPages), we're scrolling up - if (isPageValid(pageIndex) && pageBelowViewport(pageIndex)) - { - // Yes, delete it, reset the last page loaded - deletePage(pageIndex); - settings.lastPageLoaded = pageIndex - 1; - - // Try to call this function recursively until there's nothing to delete - attemptPageHide(settings.lastPageLoaded, direction); - } - } - }; - - // Handles showing and hiding pages when the user scrolls - var adjustPages = function (direction) - { - var i; - - // Direction is negative, so we're scrolling up - if (direction < 0) - { - attemptPageShow(settings.firstPageLoaded, direction); - setCurrentPage(-1); - attemptPageHide(settings.lastPageLoaded, direction); - } - else if (direction > 0) - { - // Direction is positive so we're scrolling down - attemptPageShow(settings.lastPageLoaded, direction); - setCurrentPage(1); - attemptPageHide(settings.firstPageLoaded, direction); - } - else - { - // Horizontal scroll, check if we need to reveal any tiles - var lpl = settings.lastPageLoaded; - for (i = Math.max(settings.firstPageLoaded, 0); i <= lpl; i++) - { - if (isPageVisible(i)) - { - loadPage(i); - } - } - } - - executeCallback(settings.onScroll, settings.topScrollSoFar); - - // If we're scrolling down - if (direction > 0) - { - executeCallback(settings.onScrollDown, settings.topScrollSoFar); - } - else if (direction < 0) - { - // We're scrolling up - executeCallback(settings.onScrollUp, settings.topScrollSoFar); - } - }; - - // Check if a row index is valid - var isRowValid = function (rowIndex) - { - return rowIndex >= 0 && rowIndex < settings.numRows; - }; - - // Check if a row should be visible in the viewport - var isRowVisible = function (rowIndex) - { - var topOfRow = settings.rowHeight * rowIndex; - var bottomOfRow = topOfRow + settings.rowHeight + settings.fixedPadding; - - return isVerticallyInViewport(topOfRow, bottomOfRow); - }; - - // Check if a row (in grid view) is present in the DOM - var isRowLoaded = function (rowIndex) - { - return $(settings.selector + 'row-' + rowIndex).length > 0; - }; - - var loadRow = function (rowIndex) - { - // If the row has already been loaded, don't attempt to load it again - if (isRowLoaded(rowIndex)) - { - return; - } - - // Load some data for this and initialise some variables - var heightFromTop = (settings.rowHeight * rowIndex) + settings.fixedPadding; - var content = []; - - // Create the opening tag for the row div - content.push('<div class="diva-row" id="' + settings.ID + 'row-' + rowIndex + '" style="height: ' + settings.rowHeight + '; top: ' + heightFromTop + 'px;">'); - - // Declare variables used in the loop - var i, pageIndex, filename, realWidth, realHeight, pageWidth, pageHeight, leftOffset, imageURL; - var imdir = settings.imageDir + "/"; - - // Load each page within that row - var ppr = settings.pagesPerRow; - for (i = 0; i < ppr; i++) - { - pageIndex = rowIndex * settings.pagesPerRow + i; - - // If this page is the last row, don't try to load a nonexistent page - if (!isPageValid(pageIndex)) - { - break; - } - - // Calculate the width, height and horizontal placement of this page - filename = settings.pages[pageIndex].f; - realWidth = getPageData(pageIndex, 'w'); - realHeight = getPageData(pageIndex, 'h'); - pageWidth = (settings.fixedHeightGrid) ? (settings.rowHeight - settings.fixedPadding) * realWidth / realHeight : settings.gridPageWidth; - pageHeight = (settings.fixedHeightGrid) ? settings.rowHeight - settings.fixedPadding : pageWidth / realWidth * realHeight; - leftOffset = parseInt(i * (settings.fixedPadding + settings.gridPageWidth) + settings.fixedPadding, 10); - - // Make sure they're all integers for nice, round numbers - pageWidth = parseInt(pageWidth, 10); - pageHeight = parseInt(pageHeight, 10); - - // Center the page if the height is fixed (otherwise, there is no horizontal padding) - leftOffset += (settings.fixedHeightGrid) ? (settings.gridPageWidth - pageWidth) / 2 : 0; - imageURL = settings.iipServerURL + "?FIF=" + imdir + filename + '&HEI=' + (pageHeight + 2) + '&CVT=JPEG'; - - // Append the HTML for this page to the string builder array - content.push('<div id="' + settings.ID + 'page-' + pageIndex + '" class="diva-page" style="width: ' + pageWidth + 'px; height: ' + pageHeight + 'px; left: ' + leftOffset + 'px;" title="Page ' + (pageIndex + 1) + '"></div>'); - - // Add each image to a queue so that images aren't loaded unnecessarily - addPageToQueue(rowIndex, pageIndex, imageURL, pageWidth, pageHeight); - } - - // Append this row to the DOM - content.push('</div>'); - $(document.getElementById(settings.ID + "inner")).append(content.join('')); - }; - - var deleteRow = function (rowIndex) - { - $(document.getElementById(settings.ID + 'row-' + rowIndex)).empty().remove(); - }; - - // Check if the bottom of a row is above the top of the viewport (scrolling down) - var rowAboveViewport = function (rowIndex) - { - var bottomOfRow = settings.rowHeight * (rowIndex + 1); - var topOfViewport = settings.topScrollSoFar; - - return (bottomOfRow < topOfViewport); - }; - - // Check if the top of a row is below the bottom of the viewport (scrolling up) - var rowBelowViewport = function (rowIndex) - { - var topOfRow = settings.rowHeight * rowIndex; - var bottomOfViewport = settings.topScrollSoFar + settings.panelHeight; - - return (topOfRow > bottomOfViewport); - }; - - // Same thing as attemptPageShow only with rows - var attemptRowShow = function (rowIndex, direction) - { - if (direction > 0) - { - if (isRowValid(rowIndex)) - { - if (isRowVisible(rowIndex)) - { - loadRow(rowIndex); - settings.lastRowLoaded = rowIndex; - - attemptRowShow(settings.lastRowLoaded + 1, direction); - } - else if (rowAboveViewport(rowIndex)) - { - attemptRowShow(rowIndex + 1, direction); - } - } - } - else - { - if (isRowValid(rowIndex)) - { - if (isRowVisible(rowIndex)) - { - loadRow(rowIndex); - settings.firstRowLoaded = rowIndex; - - attemptRowShow(settings.firstRowLoaded - 1, direction); - } - else if (rowBelowViewport(rowIndex)) - { - attemptRowShow(rowIndex - 1, direction); - } - } - } - }; - - var attemptRowHide = function (rowIndex, direction) - { - if (direction > 0) - { - if (isRowValid(rowIndex) && rowAboveViewport(rowIndex)) - { - deleteRow(rowIndex); - settings.firstRowLoaded++; - - attemptRowHide(settings.firstRowLoaded, direction); - } - } - else - { - if (isRowValid(rowIndex) && rowBelowViewport(rowIndex)) - { - deleteRow(rowIndex); - settings.lastRowLoaded--; - - attemptRowHide(settings.lastRowLoaded, direction); - } - } - }; - - var adjustRows = function (direction) - { - if (direction < 0) - { - attemptRowShow(settings.firstRowLoaded, -1); - setCurrentRow(-1); - attemptRowHide(settings.lastRowLoaded, -1); - } - else if (direction > 0) - { - attemptRowShow(settings.lastRowLoaded, 1); - setCurrentRow(1); - attemptRowHide(settings.firstRowLoaded, 1); - } - - executeCallback(settings.onScroll, settings.topScrollSoFar); - - // If we're scrolling down - if (direction > 0) - { - executeCallback(settings.onScrollDown, settings.topScrollSoFar); - } - else if (direction < 0) - { - // We're scrolling up - executeCallback(settings.onScrollUp, settings.topScrollSoFar); - } - }; - - // Used to delay loading of page images in grid view to prevent unnecessary loads - var addPageToQueue = function (rowIndex, pageIndex, imageURL, pageWidth, pageHeight) - { - settings.pageTimeouts.push(setTimeout(function () - { - if (isRowVisible(rowIndex)) - { - $(settings.selector + 'page-' + pageIndex).html('<img src="' + imageURL + '" style="width: ' + pageWidth + 'px; height: ' + pageHeight + 'px;" />'); - } - }, settings.rowLoadTimeout)); - }; - - // Determines and sets the "current page" (settings.currentPageIndex); called within adjustPages - // The "direction" is either 1 (downward scroll) or -1 (upward scroll) - var setCurrentPage = function (direction) - { - var middleOfViewport = settings.topScrollSoFar + (settings.panelHeight / 2); - var currentPage = settings.currentPageIndex; - var pageToConsider = settings.currentPageIndex + direction; - var changeCurrentPage = false; - var pageSelector = settings.selector + 'page-' + pageToConsider; - - // When scrolling up: - if (direction < 0) - { - // If the previous page > middle of viewport - if (pageToConsider >= 0 && (settings.heightAbovePages[pageToConsider] + getPageData(pageToConsider, 'h') + (settings.verticalPadding) >= middleOfViewport)) - { - changeCurrentPage = true; - } - } - else if (direction > 0) - { - // When scrolling down: - // If this page < middle of viewport - if (settings.heightAbovePages[currentPage] + getPageData(currentPage, 'h') + settings.verticalPadding < middleOfViewport) - { - changeCurrentPage = true; - } - } - - if (changeCurrentPage) - { - // Set this to the current page - settings.currentPageIndex = pageToConsider; - // Now try to change the next page, given that we're not going to a specific page - // Calls itself recursively - this way we accurately obtain the current page - if (direction !== 0) - { - if (!setCurrentPage(direction)) - { - var filename = settings.pages[pageToConsider].f; - executeCallback(settings.onSetCurrentPage, pageToConsider, filename); - Events.publish("VisiblePageDidChange", [pageToConsider, filename]); - } - } - return true; - } - - return false; - }; - - // Sets the current page in grid view - var setCurrentRow = function (direction) - { - var currentRow = Math.floor(settings.currentPageIndex / settings.pagesPerRow); - var rowToConsider = currentRow + parseInt(direction, 10); - var middleOfViewport = settings.topScrollSoFar + (settings.panelHeight / 2); - var changeCurrentRow = false; - - if (direction < 0) - { - if (rowToConsider >= 0 && (settings.rowHeight * currentRow >= middleOfViewport || settings.rowHeight * rowToConsider >= settings.topScrollSoFar)) - { - changeCurrentRow = true; - } - } - else if (direction > 0) - { - if ((settings.rowHeight * (currentRow + 1)) < settings.topScrollSoFar && isRowValid(rowToConsider)) - { - changeCurrentRow = true; - } - } - - if (changeCurrentRow) - { - settings.currentPageIndex = rowToConsider * settings.pagesPerRow; - - if (direction !== 0) - { - if (!setCurrentRow(direction)) - { - var pageIndex = settings.currentPageIndex; - var filename = settings.pages[pageIndex].f; - Events.publish("VisiblePageDidChange", [pageIndex, filename]); - } - } - - return true; - } - - return false; - }; - - // Helper function for going to a particular page - // Vertical offset: from the top of the page (including the top padding) - // Horizontal offset: from the center of the page; can be negative if to the left - var gotoPage = function (pageIndex, verticalOffset, horizontalOffset) - { - verticalOffset = (typeof verticalOffset !== 'undefined') ? verticalOffset : 0; - horizontalOffset = (typeof horizontalOffset !== 'undefined') ? horizontalOffset: 0; - var desiredTop = settings.heightAbovePages[pageIndex] + verticalOffset; - var desiredLeft = (settings.maxWidths[settings.zoomLevel] - settings.panelWidth) / 2 + settings.horizontalPadding + horizontalOffset; - - $(settings.outerSelector).scrollTop(desiredTop); - $(settings.outerSelector).scrollLeft(desiredLeft); - - // Pretend that this is the current page - settings.currentPageIndex = pageIndex; - //settings.toolbar.updateCurrentPage(); - var filename = settings.pages[pageIndex].f; - - Events.publish("VisiblePageDidChange", [pageIndex, filename]); - executeCallback(settings.onSetCurrentPage, pageIndex, filename); - - // Execute the onJump callback - executeCallback(settings.onJump, pageIndex); - }; - - // Calculates the desired row, then scrolls there - var gotoRow = function (pageIndex) - { - var desiredRow = Math.floor(pageIndex / settings.pagesPerRow); - var desiredTop = desiredRow * settings.rowHeight; - $(settings.outerSelector).scrollTop(desiredTop); - - // Pretend that this is the current page (it probably isn't) - settings.currentPageIndex = pageIndex; - var filename = settings.pages[pageIndex].f; - Events.publish("VisiblePageDidChange", [pageIndex, filename]); - }; - - // Helper function called by loadDocument to scroll to the desired place - var documentScroll = function () - { - // If settings.preZoomOffset is defined, the zoom was trigged by double-clicking - // We then zoom in on a specific region - if (settings.preZoomOffset) - { - var clickedPage = settings.preZoomOffset.i; - var heightAbovePage = settings.heightAbovePages[clickedPage] + settings.verticalPadding; - var pageLeftOffset = settings.pageLeftOffsets[clickedPage]; - var zoomRatio = Math.pow(2, settings.zoomLevel - settings.oldZoomLevel); - - var distanceFromViewport = { - x: settings.preZoomOffset.originalX - settings.viewerXOffset, - y: settings.preZoomOffset.originalY - settings.viewerYOffset - }; - - var newDistanceToEdge = { - x: settings.preZoomOffset.x * zoomRatio, - y: settings.preZoomOffset.y * zoomRatio - }; - - var newScroll = { - x: newDistanceToEdge.x - distanceFromViewport.x + pageLeftOffset, - y: newDistanceToEdge.y - distanceFromViewport.y + heightAbovePage - }; - - $(settings.outerSelector).scrollTop(newScroll.y).scrollLeft(newScroll.x); - - settings.preZoomOffset = undefined; - } - else - { - // Otherwise, we just scroll to the page saved in settings.goDirectlyTo (must be valid) - // Make sure the value for settings.goDirectlyTo is valid - if (!isPageValid(settings.goDirectlyTo)) - { - settings.goDirectlyTo = 0; - } - - // We use the stored y/x offsets (relative to the top of the page and the center, respectively) - gotoPage(settings.goDirectlyTo, settings.verticalOffset, settings.horizontalOffset); - settings.horizontalOffset = 0; - settings.verticalOffset = 0; - } - }; - - // Don't call this when not in grid mode please - // Scrolls to the relevant place when in grid view - var gridScroll = function () - { - // Figure out and scroll to the row containing the current page - gotoRow(settings.goDirectlyTo); - }; - - // If the given zoom level is valid, returns it; else, returns the min - var getValidZoomLevel = function (zoomLevel) - { - return (zoomLevel >= settings.minZoomLevel && zoomLevel <= settings.maxZoomLevel) ? zoomLevel : settings.minZoomLevel; - }; - - var getValidPagesPerRow = function (pagesPerRow) - { - return (pagesPerRow >= settings.minPagesPerRow && pagesPerRow <= settings.maxPagesPerRow) ? pagesPerRow : settings.maxPagesPerRow; - }; - - // Reset some settings and empty the viewport - var clearViewer = function () - { - settings.allTilesLoaded = []; - $(settings.outerSelector).scrollTop(0); - settings.topScrollSoFar = 0; - $(settings.innerSelector).empty(); - settings.firstPageLoaded = 0; - settings.firstRowLoaded = -1; - settings.previousTopScroll = 0; - - // Clear all the timeouts to prevent undesired pages from loading - clearTimeout(settings.resizeTimer); - - while (settings.pageTimeouts.length) - { - clearTimeout(settings.pageTimeouts.pop()); - } - }; - - // Called when we don't necessarily know which view to go into - var loadViewer = function () - { - if (settings.inGrid) - { - loadGrid(); - } - else - { - loadDocument(); - } - }; - - // Called every time we need to load document view (after zooming, fullscreen, etc) - var loadDocument = function () - { - clearViewer(); - - // Make sure the zoom level we've been given is valid - settings.zoomLevel = getValidZoomLevel(settings.zoomLevel); - var z = settings.zoomLevel; - - // Calculate the horizontal and vertical inter-page padding - if (settings.adaptivePadding > 0) - { - settings.horizontalPadding = settings.averageWidths[z] * settings.adaptivePadding; - settings.verticalPadding = settings.averageHeights[z] * settings.adaptivePadding; - } - else - { - // It's less than or equal to 0; use fixedPadding instead - settings.horizontalPadding = settings.fixedPadding; - settings.verticalPadding = settings.fixedPadding; - } - - // Make sure the vertical padding is at least 40, if plugin icons are enabled - if (settings.pageTools.length) - { - settings.verticalPadding = Math.max(40, settings.horizontalPadding); - } - - // Now reset some things that need to be changed after each zoom - settings.totalHeight = settings.totalHeights[z] + settings.verticalPadding * (settings.numPages + 1); - settings.dimAfterZoom = settings.totalHeight; - - // Determine the width of the inner element (based on the max width) - var maxWidthToSet = settings.maxWidths[z] + settings.horizontalPadding * 2; - var widthToSet = Math.max(maxWidthToSet, settings.panelWidth); - - // Needed to set settings.heightAbovePages - initially just the top padding - var heightSoFar = 0; - var i; - - for (i = 0; i < settings.numPages; i++) - { - // First set the height above that page by adding this height to the previous total - // A page includes the padding above it - settings.heightAbovePages[i] = heightSoFar; - - // Has to be done this way otherwise you get the height of the page included too - heightSoFar = settings.heightAbovePages[i] + getPageData(i, 'h') + settings.verticalPadding; - - // Figure out the pageLeftOffset stuff - settings.pageLeftOffsets[i] = (widthToSet - getPageData(i, 'w')) / 2; - - // Now try to load the page ONLY if the page needs to be loaded - // Take scrolling into account later, just try this for now - if (isPageVisible(i)) - { - loadPage(i); - settings.lastPageLoaded = i; - } - } - - // If this is not the initial load, execute the zoom callbacks - if (settings.oldZoomLevel >= 0) - { - if (settings.oldZoomLevel < settings.zoomLevel) - { - executeCallback(settings.onZoomIn, z); - } - else - { - executeCallback(settings.onZoomOut, z); - } - - executeCallback(settings.onZoom, z); - } - - // Set the height and width of documentpane (necessary for dragscrollable) - $(settings.innerSelector).height(Math.round(settings.totalHeight)); - $(settings.innerSelector).width(Math.round(widthToSet)); - - // Scroll to the proper place - documentScroll(); - - // For the iPad - wait until this request finishes before accepting others - if (settings.scaleWait) - { - settings.scaleWait = false; - } - - var fileName = settings.pages[settings.currentPageIndex].f; - executeCallback(settings.onDocumentLoaded, settings.lastPageLoaded, fileName); - Events.publish("DocumentHasFinishedLoading", [settings.lastPageLoaded, fileName]); - }; - - var loadGrid = function () - { - clearViewer(); - - // Make sure the pages per row setting is valid - settings.pagesPerRow = getValidPagesPerRow(settings.pagesPerRow); - - var horizontalPadding = settings.fixedPadding * (settings.pagesPerRow + 1); - var pageWidth = (settings.panelWidth - horizontalPadding) / settings.pagesPerRow; - settings.gridPageWidth = pageWidth; - - // Calculate the row height depending on whether we want to fix the width or the height - settings.rowHeight = (settings.fixedHeightGrid) ? settings.fixedPadding + settings.minRatio * pageWidth : settings.fixedPadding + settings.maxRatio * pageWidth; - settings.numRows = Math.ceil(settings.numPages / settings.pagesPerRow); - settings.totalHeight = settings.numRows * settings.rowHeight + settings.fixedPadding; - - $(settings.innerSelector).height(Math.round(settings.totalHeight)); - $(settings.innerSelector).width(Math.round(settings.panelWidth)); - - // First scroll directly to the row containing the current page - gridScroll(); - - var i, rowIndex; - - // Figure out the row each page is in - var np = settings.numPages; - for (i = 0; i < np; i += settings.pagesPerRow) - { - rowIndex = Math.floor(i / settings.pagesPerRow); - - if (isRowVisible(rowIndex)) - { - settings.firstRowLoaded = (settings.firstRowLoaded < 0) ? rowIndex : settings.firstRowLoaded; - loadRow(rowIndex); - settings.lastRowLoaded = rowIndex; - } - } - }; - - // Handles switching in and out of fullscreen mode - // Should only be called after changing settings.inFullscreen - var handleModeChange = function (changeView) - { - // Save some offsets (required for scrolling properly), if it's not the initial load - if (settings.oldZoomLevel >= 0) - { - if (!settings.inGrid) - { - var pageOffset = $(settings.selector + 'page-' + settings.currentPageIndex).offset(); - var topOffset = -(pageOffset.top - settings.verticalPadding - settings.viewerYOffset); - var expectedLeft = (settings.panelWidth - getPageData(settings.currentPageIndex, 'w')) / 2; - var leftOffset = -(pageOffset.left - settings.viewerXOffset - expectedLeft); - settings.verticalOffset = topOffset; - settings.horizontalOffset = leftOffset; - } - } - - // Change the look of the toolbar - Events.publish("ModeDidSwitch", null); - - // Toggle the classes - $(settings.selector + 'fullscreen').toggleClass('diva-in-fullscreen'); - $(settings.outerSelector).toggleClass('diva-fullscreen'); - $('body').toggleClass('diva-hide-scrollbar'); - $(settings.parentSelector).toggleClass('diva-full-width'); - - // Reset the panel dimensions - settings.panelHeight = $(settings.outerSelector).height(); - settings.panelWidth = $(settings.outerSelector).width() - settings.scrollbarWidth; - $(settings.innerSelector).width(settings.panelWidth); - - // Recalculate the viewer offsets - settings.viewerXOffset = $(settings.outerSelector).offset().left; - settings.viewerYOffset = $(settings.outerSelector).offset().top; - - // Used by setState when we need to change the view and the mode - if (changeView) - { - settings.inGrid = !settings.inGrid; - handleViewChange(); - } - else - { - loadViewer(); - } - - // Execute callbacks - executeCallback(settings.onModeToggle, settings.inFullscreen); - Events.publish("ModeHasChanged", [settings.inFullScreen]); - }; - - // Handles switching in and out of grid view - // Should only be called after changing settings.inGrid - var handleViewChange = function () - { - // Switch the slider - // Events.publish("ViewDidSwitch", null); - - loadViewer(); - executeCallback(settings.onViewToggle, settings.inGrid); - Events.publish("ViewDidSwitch", [settings.inGrid]); - }; - - // Called when the fullscreen icon is clicked - var toggleFullscreen = function () - { - settings.goDirectlyTo = settings.currentPageIndex; - settings.inFullscreen = !settings.inFullscreen; - handleModeChange(false); - }; - - // Called when the grid icon is clicked - var toggleGrid = function () - { - settings.goDirectlyTo = settings.currentPageIndex; - settings.inGrid = !settings.inGrid; - handleViewChange(); - }; - - // Called after double-click or ctrl+double-click events on pages in document view - var handleDocumentDoubleClick = function (event) - { - var pageOffset = $(this).offset(); - var offsetX = event.pageX - pageOffset.left; - var offsetY = event.pageY - pageOffset.top; - - // Store the offset information so that it can be used in documentScroll() - settings.preZoomOffset = { - x: offsetX, - y: offsetY, - originalX: event.pageX, - originalY: event.pageY, - i: $(this).attr('data-index') - }; - - // Hold control to zoom out, otherwise, zoom in - var newZoomLevel = (event.ctrlKey) ? settings.zoomLevel - 1 : settings.zoomLevel + 1; - - handleZoom(newZoomLevel); - }; - - // Called after double-clicking on a page in grid view - var handleGridDoubleClick = function (event) - { - // Figure out the page that was clicked, scroll to that page - var sel = document.getElementById(settings.ID + "outer"); - var centerX = (event.pageX - settings.viewerXOffset) + sel.scrollLeft; - var centerY = (event.pageY - settings.viewerYOffset) + sel.scrollTop; - var rowIndex = Math.floor(centerY / settings.rowHeight); - var colIndex = Math.floor(centerX / (settings.panelWidth / settings.pagesPerRow)); - var pageIndex = rowIndex * settings.pagesPerRow + colIndex; - settings.goDirectlyTo = pageIndex; - - // Leave grid view, jump directly to the desired page - settings.inGrid = false; - handleViewChange(); - }; - - // Handles pinch-zooming for mobile devices - var handlePinchZoom = function (event) - { - var newZoomLevel = settings.zoomLevel; - - // First figure out the new zoom level: - if (event.scale > 1 && newZoomLevel < settings.maxZoomLevel) - { - newZoomLevel++; - } - else if (event.scale < 1 && newZoomLevel > settings.minZoomLevel) - { - newZoomLevel--; - } - else - { - return; - } - - // Set it to true so we have to wait for this one to finish - settings.scaleWait = true; - - // Has to call handleZoomSlide so that the coordinates are kept - handleZoom(newZoomLevel); - }; - - // Called to handle any zoom level - var handleZoom = function (newValue) - { - var newZoomLevel = getValidZoomLevel(newValue); - - // If the zoom level provided is invalid, return false - if (newZoomLevel !== newValue) - { - return false; - } - - settings.oldZoomLevel = settings.zoomLevel; - settings.zoomLevel = newZoomLevel; - - // Update the slider - Events.publish("ZoomLevelDidChange", null); - - loadDocument(); - - return true; - }; - - // Called to handle changing the pages per row slider - var handleGrid = function (newValue) - { - var newPagesPerRow = getValidPagesPerRow(newValue); - - // If the value provided is invalid, return false - if (newPagesPerRow !== newValue) - { - return false; - } - - settings.oldPagesPerRow = settings.zoomLevel; - settings.pagesPerRow = newPagesPerRow; - - // Update the slider - Events.publish("GridRowNumberDidChange", null); - - loadGrid(); - }; - - var getYOffset = function () - { - var yScroll = document.getElementById(settings.ID + "outer").scrollTop; - var topOfPage = settings.heightAbovePages[settings.currentPageIndex]; - - return parseInt(yScroll - topOfPage, 10); - }; - - var getXOffset = function () - { - var innerWidth = settings.maxWidths[settings.zoomLevel] + settings.horizontalPadding * 2; - var centerX = (innerWidth - settings.panelWidth) / 2; - var xoff = document.getElementById(settings.ID + "outer").scrollLeft - centerX; - return parseInt(xoff, 10); - }; - - var getState = function () - { - var state = { - 'f': settings.inFullscreen, - 'g': settings.inGrid, - 'z': settings.zoomLevel, - 'n': settings.pagesPerRow, - 'i': (settings.enableFilename) ? settings.pages[settings.currentPageIndex].f : false, - 'p': (settings.enableFilename) ? false : settings.currentPageIndex + 1, - 'y': (settings.inGrid) ? false : getYOffset(), - 'x': (settings.inGrid) ? false : getXOffset(), - 'h': (settings.inFullscreen) ? false : settings.panelHeight, - 'w': (settings.inFullscreen) ? false : $(settings.outerSelector).width() - }; - - return state; - }; - - var getURLHash = function () - { - var hashParams = getState(); - var hashStringBuilder = []; - var param; - - for (param in hashParams) - { - if (hashParams[param] !== false) - { - hashStringBuilder.push(param + settings.hashParamSuffix + '=' + hashParams[param]); - } - } - - return hashStringBuilder.join('&'); - }; - - // Returns the URL to the current state of the document viewer (so it should be an exact replica) - var getCurrentURL = function () - { - return location.protocol + '//' + location.host + location.pathname + '#' + getURLHash(); - }; - - // Called in init and when the orientation changes - var adjustMobileWebkitDims = function () - { - var outerOffset = $(settings.outerSelector).offset().top; - settings.panelHeight = window.innerHeight - outerOffset - settings.viewerHeightPadding; - settings.panelWidth = window.innerWidth - settings.viewerWidthPadding; - - // $(settings.parentSelector).width(settings.panelWidth); - // document.getElementById(settings.parentSelector.substring(1)).style.width = settings.panelWidth + "px"; - settings.parentSelector.style.width = settings.panelWidth + "px"; - - if (settings.enableAutoHeight) - { - document.getElementById(settings.ID + "outer").style.height = settings.panelHeight + "px"; - } - - if (settings.enableAutoWidth) - { - document.getElementById(settings.ID + "outer").style.width = settings.panelWidth + "px"; - } - }; - - // Will return true if something has changed, false otherwise - var adjustBrowserDims = function () - { - // Only resize if the browser viewport is too small - var newHeight = $(settings.outerSelector).height(); - var newWidth = $(settings.parentSelector).width() - settings.scrollbarWidth; - var outerOffset = $(settings.outerSelector).offset().top; - - var windowHeight = window.innerHeight || document.documentElement.clientHeight; - var windowWidth = window.innerWidth || document.documentElement.clientWidth; - // 2 or 1 pixels for the border - var desiredWidth = windowWidth - settings.viewerWidthPadding - settings.scrollbarWidth - 2; - var desiredHeight = windowHeight - outerOffset - settings.viewerHeightPadding - 1; - - if (settings.enableAutoHeight) - { - if (newHeight + outerOffset + 16 > window.innerHeight) - { - newHeight = desiredHeight; - } - else if (newHeight <= settings.originalHeight) - { - newHeight = Math.min(desiredHeight, settings.originalHeight); - } - } - - if (settings.enableAutoWidth) - { - if (newWidth + 32 > window.innerWidth) - { - newWidth = desiredWidth; - } - else if (newWidth <= settings.originalWidth) - { - newWidth = Math.min(desiredWidth, settings.originalWidth); - } - - settings.parentSelector[0].style.width = newWidth + settings.scrollbarWidth; - } - - if (newWidth !== settings.panelWidth || newHeight !== settings.panelHeight) - { - var el = document.getElementById(settings.ID + "outer"); - el.style.height = newHeight + "px"; - el.style.width = newWidth + settings.scrollbarWidth + "px"; - settings.panelWidth = newWidth; - settings.panelHeight = newHeight; - return true; - } - - return false; - }; - - // Update the panelHeight and panelWidth based on the window size - var adjustFullscreenDims = function () - { - settings.panelWidth = window.innerWidth - settings.scrollbarWidth; - settings.panelHeight = window.innerHeight; - - return true; - }; - - var resizeViewer = function (newWidth, newHeight) - { - if (newWidth >= settings.minWidth) - { - settings.originalWidth = newWidth; - $(settings.outerSelector).width(newWidth); - document.getElementById(settings.ID + "outer").style.width = newWidth + "px"; - - settings.panelWidth = newWidth - settings.scrollbarWidth; - - // Should also change the width of the container - settings.parentSelector[0].style.width = newWidth + "px"; - } - - if (newHeight >= settings.minHeight) - { - settings.originalHeight = newHeight; - document.getElementById(settings.ID + "outer").style.height = newHeight + "px"; - - settings.panelHeight = newHeight; - } - }; - - // Binds most of the event handlers (some more in createToolbar) - var handleEvents = function () - { - // Create the fullscreen toggle icon if fullscreen is enabled - if (settings.enableFullscreen) - { - // Event handler for fullscreen toggling - $(settings.selector + 'fullscreen').click(function () - { - toggleFullscreen(); - }); - } - - // Change the cursor for dragging - $(settings.innerSelector).mouseover(function () - { - $(this).removeClass('diva-grabbing').addClass('diva-grab'); - }); - - $(settings.innerSelector).mouseout(function () - { - $(this).removeClass('diva-grab'); - }); - - $(settings.innerSelector).mousedown(function () - { - $(this).removeClass('diva-grab').addClass('diva-grabbing'); - }); - - $(settings.innerSelector).mouseup(function () - { - $(this).removeClass('diva-grabbing').addClass('diva-grab'); - }); - - // Set drag scroll on first descendant of class dragger on both selected elements - $(settings.outerSelector + ', ' + settings.innerSelector).dragscrollable({dragSelector: '.diva-dragger', acceptPropagatedEvent: true}); - - // Handle the scroll - $(settings.outerSelector).scroll(function () - { - settings.topScrollSoFar = document.getElementById(settings.ID + "outer").scrollTop; - var direction = settings.topScrollSoFar - settings.previousTopScroll; - - if (settings.inGrid) - { - adjustRows(direction); - } - else - { - adjustPages(direction); - settings.leftScrollSoFar = $(this).scrollLeft(); - } - - settings.previousTopScroll = settings.topScrollSoFar; - }); - - // Double-click to zoom - $(settings.outerSelector).on('dblclick', '.diva-document-page', function (event) - { - handleDocumentDoubleClick.call(this, event); - }); - - // Handle the control key for macs (in conjunction with double-clicking) - $(settings.outerSelector).on('contextmenu', '.diva-document-page', function (event) - { - if (event.ctrlKey) - { - // In Firefox, this doesn't trigger a double-click, so we apply one manually - clearTimeout(settings.singleClickTimeout); - - if (settings.singleClick) - { - handleDocumentDoubleClick.call(this, event); - settings.singleClick = false; - } - else - { - settings.singleClick = true; - - // Set it to false again after 500 milliseconds (standard double-click timeout) - settings.singleClickTimeout = setTimeout(function () - { - settings.singleClick = false; - }, 500); - } - - return false; - } - }); - - $(settings.outerSelector).on('dblclick', '.diva-row', function (event) - { - handleGridDoubleClick.call(this, event); - }); - - // Check if the user is on a iPhone or iPod touch or iPad - if (settings.mobileWebkit) - { - // Prevent resizing (below from http://matt.might.net/articles/how-to-native-iphone-ipad-apps-in-javascript/) - var toAppend = []; - toAppend.push('<meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1" />'); - - // Eliminate URL and button bars if added to home screen - toAppend.push('<meta name="apple-mobile-web-app-capable" content="yes" />'); - - // Choose how to handle the phone status bar - toAppend.push('<meta name="apple-mobile-web-app-status-bar-style" content="black" />'); - $('head').append(toAppend.join('\n')); - - // Block the user from moving the window only if it's not integrated - if (settings.blockMobileMove) - { - $('body').bind('touchmove', function (event) - { - var e = event.originalEvent; - e.preventDefault(); - - return false; - }); - } - - // Allow pinch-zooming - $('body').bind('gestureend', function (event) - { - var e = event.originalEvent; - - if (!settings.scaleWait) - { - // Save the page we're currently on so we scroll there - settings.goDirectlyTo = settings.currentPageIndex; - - if (settings.inGrid) - { - settings.inGrid = false; - - handleViewChange(); - } - else - { - handlePinchZoom(e); - } - } - return false; - }); - - // Listen to orientation change event - $(window).bind('orientationchange', function (event) - { - settings.orientationChange = true; - adjustMobileWebkitDims(); - - // Reload the viewer to account for the resized viewport - settings.goDirectlyTo = settings.currentPageIndex; - loadViewer(); - }); - - // Inertial scrolling - $(settings.outerSelector).kinetic(); - } - - // Only check if either scrollBySpace or scrollByKeys is enabled - if (settings.enableSpaceScroll || settings.enableKeyScroll) - { - var spaceKey = $.ui.keyCode.SPACE; - var pageUpKey = $.ui.keyCode.PAGE_UP; - var pageDownKey = $.ui.keyCode.PAGE_DOWN; - var homeKey = $.ui.keyCode.HOME; - var endKey = $.ui.keyCode.END; - - // Catch the key presses in document - $(document).keydown(function (event) - { - // Space or page down - go to the next page - if ((settings.enableSpaceScroll && event.keyCode === spaceKey) || (settings.enableKeyScroll && event.keyCode === pageDownKey)) - { - $(settings.outerSelector).scrollTop(settings.topScrollSoFar + settings.panelHeight); - return false; - } - - // Page up - go to the previous page - if (settings.enableKeyScroll && event.keyCode === pageUpKey) - { - $(settings.outerSelector).scrollTop(settings.topScrollSoFar - settings.panelHeight); - return false; - } - - // Home key - go to the beginning of the document - if (settings.enableKeyScroll && event.keyCode === homeKey) - { - $(settings.outerSelector).scrollTop(0); - return false; - } - - // End key - go to the end of the document - if (settings.enableKeyScroll && event.keyCode === endKey) - { - $(settings.outerSelector).scrollTop(settings.totalHeight); - return false; - } - }); - - // Handle window resizing events - if (!settings.mobileWebkit) - { - $(window).resize(function () - { - var adjustSuccess = (settings.inFullscreen) ? adjustFullscreenDims() : adjustBrowserDims(); - - if (adjustSuccess) - { - // Cancel any previously-set resize timeouts - clearTimeout(settings.resizeTimer); - - settings.resizeTimer = setTimeout(function () - { - settings.goDirectlyTo = settings.currentPageIndex; - loadViewer(); - }, 200); - } - }); - } - } - }; - - // Handles all status updating etc (both fullscreen and not) - var createToolbar = function () { - // Prepare the HTML for the various components - var gridIconHTML = (settings.enableGridIcon) ? '<div class="diva-grid-icon' + (settings.inGrid ? ' diva-in-grid' : '') + '" id="' + settings.ID + 'grid-icon" title="Toggle grid view"></div>' : ''; - var linkIconHTML = (settings.enableLinkIcon) ? '<div class="diva-link-icon" id="' + settings.ID + 'link-icon" style="' + (settings.enableGridIcon ? 'border-left: 0px' : '') + '" title="Link to this page"></div>' : ''; - var zoomSliderHTML = (settings.enableZoomSlider) ? '<div id="' + settings.ID + 'zoom-slider"></div>' : ''; - var gridSliderHTML = (settings.enableGridSlider) ? '<div id="' + settings.ID + 'grid-slider"></div>' : ''; - var gotoPageHTML = (settings.enableGotoPage) ? '<form id="' + settings.ID + 'goto-page" class="diva-goto-form"><input type="text" id="' + settings.ID + 'goto-page-input" / class="diva-input"> <input type="submit" value="Go" style="margin-top: 0px;" /></form>' : ''; - var zoomSliderLabelHTML = (settings.enableZoomSlider) ? '<div id="' + settings.ID + 'zoom-slider-label" class="diva-slider-label">Zoom level: <span id="' + settings.ID + 'zoom-level">' + settings.zoomLevel + '</span></div>' : ''; - var gridSliderLabelHTML = (settings.enableGridSlider) ? '<div id="' + settings.ID + 'grid-slider-label" class="diva-slider-label">Pages per row: <span id="' + settings.ID + 'pages-per-row">' + settings.pagesPerRow + '</span></div>' : ''; - var pageNumberHTML = '<div class="diva-page-label">Page <span id="' + settings.ID + 'current-page">1</span> of <span id="' + settings.ID + 'num-pages">' + settings.numPages + '</span></div>'; - - // If the viewer is specified to be "contained", we make room for the fullscreen icon - var otherToolbarClass = ''; - - if (settings.contained) - { - // Make sure the container element does not have a static position - // (Needed for the fullscreen icon to be contained) - if ($(settings.parentSelector).css('position') === 'static') - { - $(settings.parentSelector).addClass('diva-relative-position'); - } - - otherToolbarClass = ' diva-fullscreen-space'; - - // If enableAutoTitle is set to TRUE, move it down - if (settings.enableAutoTitle) - { - $(settings.selector + 'fullscreen').addClass('diva-contained'); - } - } - - var toolbarHTML = '<div id="' + settings.ID + 'tools-left" class="diva-tools-left' + otherToolbarClass + '">' + zoomSliderHTML + gridSliderHTML + zoomSliderLabelHTML + gridSliderLabelHTML + '</div><div id="' + settings.ID + 'tools-right" class="diva-tools-right">' + linkIconHTML + gridIconHTML + '<div class="diva-page-nav">' + gotoPageHTML + pageNumberHTML + '</div></div>'; - - if (settings.toolbarParentSelector) - { - $(settings.toolbarParentSelector).prepend('<div id="' + settings.ID + 'tools" class="diva-tools">' + toolbarHTML + '</div>'); - } - else - { - $(settings.parentSelector).prepend('<div id="' + settings.ID + 'tools" class="diva-tools">' + toolbarHTML + '</div>'); - } - - // Create the zoom slider - $(settings.selector + 'zoom-slider').slider({ - value: settings.zoomLevel, - min: settings.minZoomLevel, - max: settings.maxZoomLevel, - step: 1, - slide: function (event, ui) - { - var i = settings.currentPageIndex; - settings.goDirectlyTo = i; - - // Figure out the horizontal and vertical offsets - // (Try to zoom in on the current center) - var zoomRatio = Math.pow(2, ui.value - settings.zoomLevel); - var innerWidth = settings.maxWidths[settings.zoomLevel] + settings.horizontalPadding * 2; - var centerX = $(settings.outerSelector).scrollLeft() - (innerWidth - settings.panelWidth) / 2; - settings.horizontalOffset = (innerWidth > settings.panelWidth) ? centerX * zoomRatio : 0; - settings.verticalOffset = zoomRatio * ($(settings.outerSelector).scrollTop() - settings.heightAbovePages[i]); - - handleZoom(ui.value); - }, - change: function (event, ui) - { - if (ui.value !== settings.zoomLevel) - { - handleZoom(ui.value); - } - } - }); - - // Create the grid slider - $(settings.selector + 'grid-slider').slider( - { - value: settings.pagesPerRow, - min: settings.minPagesPerRow, - max: settings.maxPagesPerRow, - step: 1, - slide: function (event, ui) - { - handleGrid(ui.value); - }, - change: function (event, ui) - { - if (ui.value !== settings.pagesPerRow) - { - handleGrid(ui.value); - } - } - }); - - // Handle clicking of the grid icon - $(settings.selector + 'grid-icon').click(function () - { - toggleGrid(); - }); - - // Handle going to a specific page using the input box - $(settings.selector + 'goto-page').submit(function () - { - var desiredPage = parseInt($(settings.selector + 'goto-page-input').val(), 10); - var pageIndex = desiredPage - 1; - - if (!isPageValid(pageIndex)) - { - alert("Invalid page number"); - } - else - { - if (settings.inGrid) - { - gotoRow(pageIndex); - } - else - { - gotoPage(pageIndex, 0, 0); - } - } - - // Prevent the default action of reloading the page - return false; - }); - - // Handle the creation of the link popup box - $(settings.selector + 'link-icon').click(function () - { - $('body').prepend('<div id="' + settings.ID + 'link-popup" class="diva-link-popup"><input id="' + settings.ID + 'link-popup-input" class="diva-input" type="text" value="' + getCurrentURL() + '"/></div>'); - - if (settings.inFullscreen) - { - $(settings.selector + 'link-popup').addClass('in-fullscreen'); - } - else - { - // Calculate the left and top offsets - // Compensate for border, popup width - var leftOffset = $(settings.outerSelector).offset().left + settings.panelWidth; - leftOffset += settings.scrollbarWidth - 240 - 1; - var topOffset = $(settings.outerSelector).offset().top + 1; - - $(settings.selector + 'link-popup').removeClass('in-fullscreen').css( - { - 'top': topOffset + 'px', - 'left': leftOffset + 'px' - }); - } - - // Catch onmouseup events outside of this div - $('body').mouseup(function (event) - { - var targetID = event.target.id; - - if (targetID !== settings.ID + 'link-popup' && targetID !== settings.ID + 'link-popup-input') - { - $(settings.selector + 'link-popup').remove(); - } - }); - - // Also delete it upon scroll and page up/down key events - $(settings.outerSelector).scroll(function () - { - $(settings.selector + 'link-popup').remove(); - }); - $(settings.selector + 'link-popup input').click(function () - { - $(this).focus().select(); - }); - return false; - }); - - // Show the relevant slider - var currentSlider = (settings.inGrid) ? 'grid' : 'zoom'; - $(settings.selector + currentSlider + '-slider').show(); - $(settings.selector + currentSlider + '-slider-label').show(); - - var switchMode = function () - { - // Switch from fullscreen to not - $(settings.selector + 'tools').toggleClass('diva-fullscreen-tools'); - - if (!settings.inFullscreen) - { - // Leaving fullscreen - $(settings.selector + 'tools-left').after($(settings.selector + 'tools-right')); - $(settings.selector + 'tools-left').removeClass('in-fullscreen'); - } - else - { - // Entering fullscreen - $(settings.selector + 'tools-right').after($(settings.selector + 'tools-left')); - $(settings.selector + 'tools-left').addClass('in-fullscreen'); - } - }; - - var switchView = function () - { - // Switch from grid to document view etc - $(settings.selector + currentSlider + '-slider').hide(); - $(settings.selector + currentSlider + '-slider-label').hide(); - currentSlider = (settings.inGrid) ? 'grid' : 'zoom'; - $(settings.selector + currentSlider + '-slider').show(); - $(settings.selector + currentSlider + '-slider-label').show(); - - // Also change the image for the grid icon - $(settings.selector + 'grid-icon').toggleClass('diva-in-grid'); - }; - - var toolbar = - { - updateCurrentPage: function () - { - $(settings.selector + 'current-page').text(settings.currentPageIndex + 1); - }, - setNumPages: function (newNumber) - { - $(settings.selector + 'num-pages').text(newNumber); - }, - updateZoomSlider: function () - { - // Update the position of the handle within the slider - if (settings.zoomLevel !== $(settings.selector + 'zoom-slider').slider('value')) - { - $(settings.selector + 'zoom-slider').slider( - { - value: settings.zoomLevel - }); - } - - // Update the slider label - $(settings.selector + 'zoom-level').text(settings.zoomLevel); - }, - updateGridSlider: function () - { - // Update the position of the handle within the slider - if (settings.pagesPerRow !== $(settings.selector + 'grid-slider').slider('value')) - { - $(settings.selector + 'grid-slider').slider( - { - value: settings.pagesPerRow - }); - } - - // Update the slider label - $(settings.selector + 'pages-per-row').text(settings.pagesPerRow); - }, - switchView: switchView, - switchMode: switchMode - }; - return toolbar; - }; - - var initPlugins = function () - { - if (window.divaPlugins) - { - var pageTools = []; - - // Add all the plugins that have not been explicitly disabled to settings.plugins - $.each(window.divaPlugins, function (index, plugin) - { - var pluginProperName = plugin.pluginName[0].toUpperCase() + plugin.pluginName.substring(1); - - if (settings['enable' + pluginProperName]) - { - // Call the init function and check return value - var enablePlugin = plugin.init(settings, self); - - // If int returns false, consider the plugin disabled - if (!enablePlugin) - { - return; - } - - // If the title text is undefined, use the name of the plugin - var titleText = plugin.titleText || pluginProperName + " plugin"; - - // Create the pageTools bar if handleClick is set to a function - if (typeof plugin.handleClick === 'function') - { - pageTools.push('<div class="diva-' + plugin.pluginName + '-icon" title="' + titleText + '"></div>'); - - // Delegate the click event - pass it the settings - $(settings.outerSelector).delegate('.diva-' + plugin.pluginName + '-icon', 'click', function (event) - { - plugin.handleClick.call(this, event, settings); - }); - } - - // Add it to settings.plugins so it can be used later - settings.plugins.push(plugin); - } - }); - - // Save the page tools bar so it can be added for each page - if (pageTools.length) - { - settings.pageTools = '<div class="diva-page-tools">' + pageTools.join('') + '</div>'; - } - } - }; - - var hideThrobber = function () - { - // Clear the timeout, if it hasn't executed yet - clearTimeout(settings.throbberTimeoutID); - - // Hide the throbber if it has already executed - $(settings.selector + 'throbber').hide(); - }; - - var setupViewer = function () - { - // Create the throbber element - var throbberHTML = '<div id="' + settings.ID + 'throbber" class="diva-throbber"></div>'; - $(settings.outerSelector).append(throbberHTML); - - // If the request hasn't completed after a specified time, show it - settings.throbberTimeoutID = setTimeout(function () - { - $(settings.selector + 'throbber').show(); - }, settings.throbberTimeout); - - $.ajax({ - url: settings.objectData, - cache: true, - dataType: 'json', - error: function (jqxhr, status, error) - { - hideThrobber(); - - // Show a basic error message within the document viewer pane - $(settings.outerSelector).text("Invalid URL. Error code: " + status + " " + error); - }, - success: function (data, status, jqxhr) - { - hideThrobber(); - - // Save all the data we need - settings.pages = data.pgs; - settings.maxRatio = data.dims.max_ratio; - settings.minRatio = data.dims.min_ratio; - settings.itemTitle = data.item_title; - settings.numPages = data.pgs.length; - - // These are arrays, the index corresponding to the zoom level - settings.maxWidths = data.dims.max_w; - settings.averageWidths = data.dims.a_wid; - settings.averageHeights = data.dims.a_hei; - settings.totalHeights = data.dims.t_hei; - - // Make sure the set max and min values are valid - settings.realMaxZoom = data.max_zoom; - settings.maxZoomLevel = (settings.maxZoomLevel >= 0 && settings.maxZoomLevel <= data.max_zoom) ? settings.maxZoomLevel : data.max_zoom; - settings.minZoomLevel = (settings.minZoomLevel >= 0 && settings.minZoomLevel <= settings.maxZoomLevel) ? settings.minZoomLevel : 0; - settings.minPagesPerRow = Math.max(2, settings.minPagesPerRow); - settings.maxPagesPerRow = Math.max(settings.minPagesPerRow, settings.maxPagesPerRow); - - // Check that the desired page is in range - if (settings.enableFilename) - { - var iParam = $.getHashParam('i' + settings.hashParamSuffix); - var iParamPage = getPageIndex(iParam); - - if (isPageValid(iParamPage)) - { - settings.goDirectlyTo = iParamPage; - } - } - else - { - // Not using the i parameter, check the p parameter - // Subtract 1 to get the page index - var pParam = parseInt($.getHashParam('p' + settings.hashParamSuffix), 10) - 1; - - if (isPageValid(pParam)) - { - settings.goDirectlyTo = pParam; - } - } - - // Execute the setup hook for each plugin (if defined) - $.each(settings.plugins, function (index, plugin) - { - executeCallback(plugin.setupHook, settings); - }); - - // Create the toolbar and display the title + total number of pages - if (settings.enableToolbar) - { - settings.toolbar = createToolbar(); - Events.subscribe("VisiblePageDidChange", settings.toolbar.updateCurrentPage); - Events.subscribe("ModeDidSwitch", settings.toolbar.switchMode); - Events.subscribe("ViewDidSwitch", settings.toolbar.switchView); - Events.subscribe("ZoomLevelDidChange", settings.toolbar.updateZoomSlider); - Events.subscribe("GridRowNumberDidChange", settings.toolbar.updateGridSlider); - } - - $(settings.selector + 'current label').text(settings.numPages); - - if (settings.enableAutoTitle) - { - $(settings.parentSelector).prepend('<div id="' + settings.ID + 'title" class="diva-title">' + settings.itemTitle + '</div>'); - } - - // Adjust the document panel dimensions for touch devices - if (settings.mobileWebkit) - { - adjustMobileWebkitDims(); - } - else - { - settings.originalWidth = $(settings.parentSelector).width() - settings.scrollbarWidth; - settings.originalHeight = $(settings.outerSelector).height(); - adjustBrowserDims(); - } - - // Calculate the viewer x and y offsets - var viewerOffset = $(settings.outerSelector).offset(); - settings.viewerXOffset = viewerOffset.left; - settings.viewerYOffset = viewerOffset.top; - - if (settings.inFullscreen) - { - handleModeChange(false); - } - else - { - loadViewer(); - } - - // Execute the callback - executeCallback(settings.onReady, settings); - Events.publish("ViewerHasFinishedLoading", [settings]); - - // signal that everything should be set up and ready to go. - settings.loaded = true; - } - }); - }; - - var checkLoaded = function() - { - if (!settings.loaded) - { - console.warn("The viewer is not completely initialized. This is likely because it is still downloading data. To fix this, only call this function if the isReady() method returns true."); - return false; - } - return true; - }; - - var init = function () - { - // First figure out the width of the scrollbar in this browser - settings.scrollbarWidth = $.getScrollbarWidth(); - - // If window.orientation is defined, then it's probably mobileWebkit - settings.mobileWebkit = window.orientation !== undefined; - - // Generate an ID that can be used as a prefix for all the other IDs - settings.ID = $.generateId('diva-'); - settings.selector = '#' + settings.ID; - - // Figure out the hashParamSuffix from the ID - var divaNumber = parseInt(settings.ID, 10); - - if (divaNumber > 1) - { - // If this is document viewer #1, don't use a suffix; otherwise, use the document viewer number - settings.hashParamSuffix = divaNumber; - } - - // Since we need to reference these two a lot - settings.outerSelector = settings.selector + 'outer'; - settings.innerSelector = settings.selector + 'inner'; - - // Create the inner and outer panels - $(settings.parentSelector).append('<div id="' + settings.ID + 'outer" class="diva-outer"></div>'); - $(settings.outerSelector).append('<div id="' + settings.ID + 'inner" class="diva-inner diva-dragger"></div>'); - - // Create the fullscreen icon - if (settings.enableFullscreen) - { - $(settings.parentSelector).prepend('<div id="' + settings.ID + 'fullscreen" class="diva-fullscreen-icon" title="Toggle fullscreen mode"></div>'); - } - - // First, n - check if it's in range - var nParam = parseInt($.getHashParam('n' + settings.hashParamSuffix), 10); - - if (nParam >= settings.minPagesPerRow && nParam <= settings.maxPagesPerRow) - { - settings.pagesPerRow = nParam; - } - - // Now z - check that it's in range - var zParam = $.getHashParam('z' + settings.hashParamSuffix); - - if (zParam !== '') - { - // If it's empty, we don't want to change the default zoom level - zParam = parseInt(zParam, 10); - - // Can't check if it exceeds the max zoom level or not because that data is not available yet ... - if (zParam >= settings.minZoomLevel) - { - settings.zoomLevel = zParam; - } - } - - // y - vertical offset from the top of the relevant page - var yParam = parseInt($.getHashParam('y' + settings.hashParamSuffix), 10); - - if (!isNaN(yParam)) - { - settings.verticalOffset = yParam; - } - - // x - horizontal offset from the center of the page - var xParam = parseInt($.getHashParam('x' + settings.hashParamSuffix), 10); - - if (!isNaN(xParam)) - { - settings.horizontalOffset = xParam; - } - - // If the "fullscreen" hash param is true, go to fullscreen initially - // If the grid hash param is true, go to grid view initially - var gridParam = $.getHashParam('g' + settings.hashParamSuffix); - var goIntoGrid = gridParam === 'true'; - var fullscreenParam = $.getHashParam('f' + settings.hashParamSuffix); - var goIntoFullscreen = fullscreenParam === 'true'; - - settings.inGrid = (settings.inGrid && gridParam !== 'false') || goIntoGrid; - settings.inFullscreen = (settings.inFullscreen && fullscreenParam !== 'false') || goIntoFullscreen; - - // Store the height and width of the viewer (the outer div), if present - var desiredHeight = parseInt($.getHashParam('h' + settings.hashParamSuffix), 10); - var desiredWidth = parseInt($.getHashParam('w' + settings.hashParamSuffix), 10); - - // Store the minimum and maximum height too - settings.minHeight = parseInt($(settings.outerSelector).css('min-height'), 10); - settings.minWidth = parseInt($(settings.outerSelector).css('min-width'), 10); - - // Just call resize, it'll take care of bounds-checking etc - if (desiredHeight > 0 || desiredWidth > 0) - { - resizeViewer(desiredWidth, desiredHeight); - } - - // Do the initial AJAX request and viewer loading - setupViewer(); - - // Do all the plugin initialisation - initPlugins(); - - handleEvents(); - }; - - // Call the init function when this object is created. - init(); - - /* PUBLIC FUNCTIONS -=============================================== -*/ - - // Returns the title of the document, based on the directory name - this.getItemTitle = function () - { - return settings.itemTitle; - }; - - // Go to a particular page by its page number (with indexing starting at 1) - // returns True if the page number passed is valid; false if it is not. - this.gotoPageByNumber = function (pageNumber) - { - var pageIndex = pageNumber - 1; - if (isPageValid(pageIndex)) - { - gotoPage(pageIndex, 0, 0); - return true; - } - return false; - }; - - // Go to a particular page (with indexing starting at 0) - // returns True if the page index is valid; false if it is not. - this.gotoPageByIndex = function (pageIndex) - { - if (isPageValid(pageIndex)) - { - gotoPage(pageIndex, 0, 0); - return true; - } - return false; - }; - - // Returns the page index (with indexing starting at 0) - this.getCurrentPage = function () - { - console.warn("Deprecated. Use getCurrentPageIndex instead."); - return settings.currentPageIndex; - }; - - this.getNumberOfPages = function() - { - if (!checkLoaded()) - { - return false; - } - - return settings.numPages; - } - - // Returns the dimensions of a given page index at a given zoom level - this.getPageDimensionsAtZoomLevel = function(pageIdx, zoomLevel) - { - if (!checkLoaded()) - { - return false; - } - - var zoomLevel = zoomLevel - 1; // zoom levels are 1-based, but our array is 0-based; - var pg = settings.pages[pageIdx]; - var pgAtZoom = pg.d[parseInt(zoomLevel, 10)]; - return {'width': pgAtZoom.w, 'height': pgAtZoom.h} - }; - - // Returns the dimensions of the current page at the current zoom level - this.getCurrentPageDimensionsAtCurrentZoomLevel = function() - { - return this.getPageDimensionsAtZoomLevel(settings.currentPageIndex, settings.zoomLevel); - }; - - this.isReady = function() - { - return settings.loaded; - }; - - this.getCurrentPageIndex = function () - { - return settings.currentPageIndex; - }; - - this.getCurrentPageFilename = function () - { - return settings.pages[settings.currentPageIndex].f; - }; - - this.getCurrentPageNumber = function () - { - return settings.currentPageIndex + 1; - }; - - // Returns the current zoom level - this.getZoomLevel = function () - { - return settings.zoomLevel; - }; - - // gets the maximum zoom level for the entire document - this.getMaxZoomLevel = function () - { - return settings.maxZoomLevel; - }; - - // gets the max zoom level for a given page - this.getMaxZoomLevelForPage = function(pageIdx) - { - if (!checkLoaded) - { - return false; - } - - return settings.pages[pageIdx].m; - } - - this.getMinZoomLevel = function () - { - return settings.minZoomLevel; - }; - - // Use the provided zoom level (will check for validity first) - // Returns false if the zoom level is invalid, true otherwise - this.setZoomLevel = function (zoomLevel) - { - if (settings.inGrid) - { - toggleGrid(); - } - - return handleZoom(zoomLevel); - }; - - // Zoom in. Will return false if it's at the maximum zoom - this.zoomIn = function () - { - return this.setZoomLevel(settings.zoomLevel + 1); - }; - - // Zoom out. Will return false if it's at the minimum zoom - this.zoomOut = function () - { - return this.setZoomLevel(settings.zoomLevel - 1); - }; - - // Uses the isVerticallyInViewport() function, but relative to a page - // Check if something (e.g. a highlight box on a particular page) is visible - this.inViewport = function (pageNumber, topOffset, height) - { - var pageIndex = pageNumber - 1; - var top = settings.heightAbovePages[pageIndex] + topOffset; - var bottom = top + height; - - return isVerticallyInViewport(top, bottom); - }; - - // Toggle fullscreen mode - this.toggleFullscreenMode = function () - { - toggleFullscreen(); - }; - - // Enter fullscreen mode if currently not in fullscreen mode - // Returns false if in fullscreen mode initially, true otherwise - // This function will work even if enableFullscreen is set to false - this.enterFullscreenMode = function () - { - if (!settings.inFullscreen) - { - toggleFullscreen(); - return true; - } - - return false; - }; - - // Leave fullscreen mode if currently in fullscreen mode - // Returns true if in fullscreen mode intitially, false otherwise - this.leaveFullscreenMode = function () - { - if (settings.inFullscreen) - { - toggleFullscreen(); - return true; - } - - return false; - }; - - // Toggle grid view - this.toggleGridView = function () - { - toggleGrid(); - }; - - // Enter grid view if currently not in grid view - // Returns false if in grid view initially, true otherwise - this.enterGridView = function () - { - if (!settings.inGrid) { - toggleGrid(); - return true; - } - - return false; - }; - - // Leave grid view if currently in grid view - // Returns true if in grid view initially, false otherwise - this.leaveGridView = function () - { - if (settings.inGrid) - { - toggleGrid(); - return true; - } - - return false; - }; - - // Jump to a page based on its filename - // Returns true if successful and false if the filename is invalid - this.gotoPageByName = function (filename) - { - var pageIndex = getPageIndex(filename); - if (isPageValid(pageIndex)) - { - gotoPage(pageIndex, 0, 0); - return true; - } - - return false; - }; - - // Get the page index (0-based) corresponding to a given filename - // If the page index doesn't exist, this will return -1 - this.getPageIndex = function (filename) - { - return getPageIndex(filename); - }; - - // Get the current URL (exposes the private method) - this.getCurrentURL = function () - { - return getCurrentURL(); - }; - - // Get the hash part only of the current URL (without the leading #) - this.getURLHash = function () - { - return getURLHash(); - }; - - // Get an object representing the state of this diva instance (for setState) - this.getState = function () - { - return getState(); - }; - - // Get the instance selector for this instance, since it's auto-generated. - this.getInstanceSelector = function () - { - return settings.selector; - }; - - // Get the instance ID -- essentially the selector without the leading '#'. - this.getInstanceId = function() - { - return settings.ID; - }; - - this.getSettings = function() - { - return settings; - }; - - // Align this diva instance with a state object (as returned by getState) - this.setState = function (state) - { - var pageIndex; - - // If we need to resize the viewer, do that first - resizeViewer(state.w, state.h); - - // Only change settings.goDirectlyTo if state.i or state.p is valid - pageIndex = getPageIndex(state.i); - - if (isPageValid(pageIndex)) - { - settings.goDirectlyTo = pageIndex; - } - else if (isPageValid(state.p)) - { - settings.goDirectlyTo = state.p; - } - - settings.horizontalOffset = parseInt(state.x, 10); - settings.verticalOffset = parseInt(state.y, 10); - - // Only change the zoom if state.z is valid - if (state.z >= settings.minZoomLevel && state.z <= settings.maxZoomLevel) - { - settings.zoomLevel = state.z; - } - - // Only change the pages per row setting if state.n is valid - if (state.n >= settings.minPagesPerRow && state.n <= settings.maxPagesPerRow) - { - settings.pagesPerRow = state.n; - } - - if (settings.inFullscreen !== state.f) - { - // The parameter determines if we need to change the view as well - settings.inFullscreen = state.f; - handleModeChange(settings.inGrid !== state.g); - } - else - { - // Don't need to change the mode, may need to change view - if (settings.inGrid !== state.g) - { - settings.inGrid = state.g; - handleViewChange(); - } - else - { - // Reload the viewer, just in case - loadViewer(); - } - } - }; - - // Resizes the outer div to the specified width and height - this.resize = function (newWidth, newHeight) - { - resizeViewer(newWidth, newHeight); - loadViewer(); - }; - - // Destroys this instance, tells plugins to do the same (for testing) - this.destroy = function () - { - // Removes the hide-scrollbar class from the body - $('body').removeClass('diva-hide-scrollbar'); - - // Empty the parent container and remove any diva-related data - 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s=null;e.addEventListener("touchend",e=>{if(e.preventDefault(),i.isTriggered()){i.reset();const n={pageX:e.originalEvent.changedTouches[0].clientX,pageY:e.originalEvent.changedTouches[0].clientY},o=p(s.pageX,s.pageY,n.pageX,n.pageY);o<g&&t(e,m(e.currentTarget,n)),s=null}else s={pageX:e.originalEvent.changedTouches[0].clientX,pageY:e.originalEvent.changedTouches[0].clientY},i.trigger()})}};const d=500,g=50,v=250;function p(e,t,i,s){return Math.sqrt((i-e)*(i-e)+(s-t)*(s-t))}function f(e){let t=!1,i=null;return{trigger(){t=!0,s(),i=setTimeout(function(){t=!1,i=null},e)},isTriggered:()=>t,reset(){t=!1,s()}};function s(){null!==i&&(clearTimeout(i),i=null)}}function m(e,t){const i=e.getBoundingClientRect();return{left:t.pageX-i.left,top:t.pageY-i.top}}var w=i(0),b=i.n(w);class y{constructor(e,t){this.page=e,this._viewerCore=t,this._innerElement=this._viewerCore.getSettings().innerElement,this._pageToolsElem=null,this.labelWidth=0}mount(){null===this._pageToolsElem&&(this._buttons=this._initializePageToolButtons(),this._pageToolsElem=s("div",{class:"diva-page-tools-wrapper"},s("div",{class:"diva-page-tools"},this._buttons)),this._pageLabelsElem=s("div",{class:"diva-page-labels-wrapper"},s("div",{class:"diva-page-labels"},this._viewerCore.settings.manifest.pages[this.page].l))),this.refresh(),this._innerElement.appendChild(this._pageToolsElem),this._innerElement.appendChild(this._pageLabelsElem)}_initializePageToolButtons(){const e=this._viewerCore.getSettings(),t=this._viewerCore.getPublicInstance(),i=this.page;return this._viewerCore.getPageTools().map(s=>{const n=s.pageToolsIcon.cloneNode(!0);return n.addEventListener("click",n=>{s.handleClick.call(s,n,e,t,i)},!1),n.addEventListener("touchend",n=>{n.preventDefault(),s.handleClick.call(s,n,e,t,i)},!1),n})}unmount(){this._innerElement.removeChild(this._pageToolsElem),this._innerElement.removeChild(this._pageLabelsElem)}refresh(){const e=this._viewerCore.getPageRegion(this.page,{includePadding:!0,incorporateViewport:!0});let t=window.getComputedStyle(this._innerElement,null).getPropertyValue("margin-left");this._pageToolsElem.style.top=`${e.top}px`,this._pageToolsElem.style.left=`${e.left-parseInt(t)}px`,this._pageLabelsElem.style.top=`${e.top}px`,this._pageLabelsElem.style.left=`${e.right-parseInt(t)-this.labelWidth-5}px`}}class _{constructor(e){if(this._viewerCore=e,this._viewerState=e.getInternalState(),this._overlays=[],this._viewerCore.getPageTools().length){const t=e.getSettings().numPages;for(let i=0;i<t;i++){const t=new y(i,e);this._overlays.push(t),this._viewerCore.addPageOverlay(t);let s=document.createElement("span");s.innerHTML=e.settings.manifest.pages[i].l,s.classList.add("diva-page-labels"),s.setAttribute("style","display: inline-block;"),document.body.appendChild(s);let n=s.clientWidth;document.body.removeChild(s),t.labelWidth=n}}}onDoubleClick(e,t){const i=this._viewerCore.getSettings(),s=e.ctrlKey?i.zoomLevel-1:i.zoomLevel+1,n=this._viewerCore.getPagePositionAtViewportOffset(t);this._viewerCore.zoom(s,n)}onPinch(e,t,i,s){const n=this._viewerCore.getInternalState(),o=this._viewerCore.getSettings();let r=Math.log(Math.pow(2,o.zoomLevel)*s/(i*Math.log(2)))/Math.log(2);if(r=Math.max(o.minZoomLevel,r),(r=Math.min(o.maxZoomLevel,r))===o.zoomLevel)return;const a=this._viewerCore.getPagePositionAtViewportOffset(t),l=this._viewerCore.getCurrentLayout().getPageToViewportCenterOffset(a.anchorPage,n.viewport),h=1/Math.pow(2,o.zoomLevel-r);this._viewerCore.reload({zoomLevel:r,goDirectlyTo:a.anchorPage,horizontalOffset:l.x-a.offset.left+a.offset.left*h,verticalOffset:l.y-a.offset.top+a.offset.top*h})}onViewWillLoad(){this._viewerCore.publish("DocumentWillLoad",this._viewerCore.getSettings())}onViewDidLoad(){this._handleZoomLevelChange();const e=this._viewerCore.getSettings().activePageIndex,t=this._viewerCore.getPageName(e);this._viewerCore.publish("DocumentDidLoad",e,t)}onViewDidUpdate(e,t){const i=null!==t?t:function(e,t,i){const s=i.top+i.height/2,n=i.left+i.width/2,o=b()(e,e=>{const i=t.getPageDimensions(e),o=t.getPageOffset(e,{includePadding:!1}),r=o.left+i.height/2,a=o.top+i.width/2,l=Math.max(Math.abs(n-r)-i.width/2,0),h=Math.max(Math.abs(s-a)-i.height/2,0);return-(l*l+h*h)});return null!=o?o:null}(e,this._viewerCore.getCurrentLayout(),this._viewerCore.getViewport());let s=this._viewerState.viewport.intersectionTolerance;this._viewerState.viewport.intersectionTolerance=0;let n=e.filter(e=>this._viewerState.renderer.isPageVisible(e));this._viewerState.viewport.intersectionTolerance=s,null!==i&&this._viewerCore.setCurrentPages(i,n),null!==t&&this._viewerCore.publish("ViewerDidJump",t),this._handleZoomLevelChange()}_handleZoomLevelChange(){const e=this._viewerState,t=e.options.zoomLevel;e.oldZoomLevel!==t&&e.oldZoomLevel>=0&&(e.oldZoomLevel<t?this._viewerCore.publish("ViewerDidZoomIn",t):this._viewerCore.publish("ViewerDidZoomOut",t),this._viewerCore.publish("ViewerDidZoom",t)),e.oldZoomLevel=t}destroy(){this._overlays.forEach(e=>{this._viewerCore.removePageOverlay(e)},this)}}class P{constructor(e){this._viewerCore=e}onDoubleClick(e,t){const i=this._viewerCore.getPagePositionAtViewportOffset(t),s=this._viewerCore.getCurrentLayout(),n=this._viewerCore.getViewport(),o=s.getPageToViewportCenterOffset(i.anchorPage,n);this._viewerCore.reload({inGrid:!1,goDirectlyTo:i.anchorPage,horizontalOffset:o.x+i.offset.left,verticalOffset:o.y+i.offset.top})}onPinch(){this._viewerCore.reload({inGrid:!1})}onViewWillLoad(){}onViewDidLoad(){}onViewDidUpdate(e,t){if(0===e.length)return;let i=this._viewerCore.viewerState.viewport.intersectionTolerance;this._viewerCore.viewerState.viewport.intersectionTolerance=0;let s=e.filter(e=>this._viewerCore.viewerState.renderer.isPageVisible(e));if(this._viewerCore.viewerState.viewport.intersectionTolerance=i,null!==t)return void this._viewerCore.setCurrentPages(t,s);const n=this._viewerCore.getCurrentLayout(),o=[];e.forEach(e=>{const t=n.getPageInfo(e).group;0!==o.length&&t===o[o.length-1]||o.push(t)});const r=this._viewerCore.getViewport();let 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n=this._loadedByLevel[e.zoomLevel];let o=e.tiles.filter(e=>n.isLoaded(e.row,e.col));const r=Math.pow(2,i-e.zoomLevel);o=o.filter(e=>{let t=!1;const i=e.row*r,n=e.col*r;for(let e=0;e<r;e++)for(let o=0;o<r;o++)s.isLoaded(i+e,n+o)||(t=!0,s.set(i+e,n+o,!0));return t}),t.push(o)},this),t.reverse();const o=[];return t.forEach(e=>{o.push.apply(o,e)}),o}updateFromCache(e){this.clear(),this._levels.forEach(t=>{const i=this._loadedByLevel[t.zoomLevel];t.tiles.forEach(t=>{e.has(t.url)&&i.set(t.row,t.col,!0)})},this)}updateWithLoadedUrls(e){e.forEach(e=>{const t=this._urlsToTiles[e];this._loadedByLevel[t.zoomLevel].set(t.row,t.col,!0)},this)}}class O{constructor(e,t){const i=function(e,t){const i=null===t?e.pageLayouts:function(e,t){const i=Math.pow(2,t-e.maxZoomLevel);return e.pageLayouts.map(e=>({dimensions:E(e.dimensions,i),pages:e.pages.map(e=>({index:e.index,groupOffset:{top:Math.floor(e.groupOffset.top*i),left:Math.floor(e.groupOffset.left*i)},dimensions:E(e.dimensions,i)}))}))}(e,t),s=function(e,t){let i,s;const n=e.padding.document;e.verticallyOriented?(i="width",s=n.left+n.right):(i="height",s=n.top+n.bottom);return s+t.reduce((e,t)=>Math.max(t.dimensions[i],e),0)}(e,i);let n=e.verticallyOriented?e.padding.document.top:e.padding.document.left;const o=[],r={top:e.padding.page.top,left:e.padding.page.left};let a,l;i.forEach((t,i)=>{let a,l;e.verticallyOriented?(a=n,l=(s-t.dimensions.width)/2):(a=(s-t.dimensions.height)/2,l=n);const h={top:a,bottom:a+r.top+t.dimensions.height,left:l,right:l+r.left+t.dimensions.width};o.push({index:i,dimensions:t.dimensions,pages:t.pages,region:h,padding:r}),n=e.verticallyOriented?h.bottom:h.right}),e.verticallyOriented?(a=n+r.top,l=s):(a=s,l=n+r.left);return{dimensions:{height:a,width:l},pageGroups:o}}(e,t);this.dimensions=i.dimensions,this.pageGroups=i.pageGroups,this._pageLookup=function(e){const t={};return e.forEach(e=>{e.pages.forEach(i=>{t[i.index]={index:i.index,group:e,dimensions:i.dimensions,groupOffset:i.groupOffset}})}),t}(i.pageGroups)}getPageInfo(e){return this._pageLookup[e]||null}getPageDimensions(e){if(!this._pageLookup||!this._pageLookup[e])return null;const t=x(this._pageLookup[e]);return{height:t.bottom-t.top,width:t.right-t.left}}getPageOffset(e,t){const i=this.getPageRegion(e,t);return i?{top:i.top,left:i.left}:null}getPageRegion(e,t){const i=this._pageLookup[e];if(!i)return null;const s=x(i),n=i.group.padding;return t&&t.includePadding?{top:s.top+n.top,left:s.left+n.left,bottom:s.bottom,right:s.right}:{top:s.top,left:s.left,bottom:s.bottom+n.top,right:s.right}}getPageToViewportCenterOffset(e,t){const i=t.left,s=t.right-t.left,n=this.getPageOffset(e),o=i-n.left+parseInt(s/2,10),r=t.top,a=t.bottom-t.top;return{x:o,y:r-n.top+parseInt(a/2,10)}}}function x(e){const t=e.groupOffset.top+e.group.region.top,i=t+e.dimensions.height,s=e.groupOffset.left+e.group.region.left;return{top:t,bottom:i,left:s,right:s+e.dimensions.width}}function E(e,t){return{height:Math.floor(e.height*t),width:Math.floor(e.width*t)}}const I=i(1)("diva:ImageCache"),T=100;class D{constructor(e){e=e||{maxKeys:T},this.maxKeys=e.maxKeys||T,this._held={},this._urls={},this._lru=[]}get(e){const t=this._urls[e];return t?t.img:null}has(e){return!!this._urls[e]}put(e,t){let i=this._urls[e];i?(i.img=t,this._promote(i)):(i={img:t,url:e},this._urls[e]=i,this._tryEvict(1),this._lru.unshift(i))}_promote(e){const t=this._lru.indexOf(e);this._lru.splice(t,1),this._lru.unshift(e)}_tryEvict(e){const t=this.maxKeys-e;if(this._lru.length<=t)return;let i=this._lru.length-1;for(;;){const e=this._lru[i];if(!this._held[e.url]&&(I("Evicting image %s",e.url),this._lru.splice(i,1),delete this._urls[e.url],this._lru.length<=t))break;if(0===i){I.enabled&&I("Cache overfull by %s (all entries are being held)",this._lru.length-t);break}i--}}acquire(e){this._held[e]=(this._held[e]||0)+1,this._promote(this._urls[e])}release(e){this._held[e]>1?this._held[e]--:delete this._held[e],this._tryEvict(0)}}class M{constructor(e){this._url=e.url,this._callback=e.load,this._errorCallback=e.error,this.timeoutTime=e.timeoutTime||0,this._aborted=this._complete=!1,this.timeout=setTimeout(()=>{this._image=new Image,this._image.onload=this._handleLoad.bind(this),this._image.onerror=this._handleError.bind(this),this._image.src=e.url},this.timeoutTime)}abort(){clearTimeout(this.timeout),this._image&&(this._image.onload=this._image.onerror=null,this._image.src=""),this._aborted=!0}_handleLoad(){this._aborted?console.error("ImageRequestHandler invoked on cancelled request for "+this._url):this._complete?console.error("ImageRequestHandler invoked on completed request for "+this._url):(this._complete=!0,this._callback(this._image))}_handleError(){this._errorCallback(this._image)}}var z={animate:function(e){const t=e.duration,i=e.parameters,s=e.onUpdate,n=e.onEnd,o=V(),r=o+t,a={},l={},h=Object.keys(i);h.forEach(e=>{const t=i[e];a[e]=function(e,t,i){return s=>e+(t-e)*i(s)}(t.from,t.to,t.easing||k)});let c=requestAnimationFrame(function e(){const i=V();const n=Math.min((i-o)/t,1);!function(e){h.forEach(t=>{l[t]=a[t](e)})}(n);s(l);i<r?c=requestAnimationFrame(e):u({interrupted:!1})});return{cancel(){null!==c&&(cancelAnimationFrame(c),u({interrupted:!0}))}};function u(e){c=null,n&&n(e)}},easing:{linear:function(e){return e},cubic:k}};let V;function k(e){return e<.5?4*e*e*e:(e-1)*(2*e-2)*(2*e-2)+1}V="undefined"!=typeof performance&&performance.now?()=>performance.now():()=>Date.now();const F=250;class j{constructor(e,t){this._viewport=e.viewport,this._outerElement=e.outerElement,this._documentElement=e.innerElement,this._settings=e.settings,this._hooks=t||{},this._canvas=s("canvas",{class:"diva-viewer-canvas"}),this._ctx=this._canvas.getContext("2d"),this.layout=null,this._sourceResolver=null,this._renderedPages=null,this._config=null,this._zoomLevel=null,this._compositeImages=null,this._renderedTiles=null,this._animation=null,this._cache=new D,this._pendingRequests={}}static getCompatibilityErrors(){return"undefined"!=typeof HTMLCanvasElement?null:["Your browser lacks support for the ",s("pre","canvas")," element. Please upgrade your browser."]}load(e,t,i){if(this._clearAnimation(),this._hooks.onViewWillLoad&&this._hooks.onViewWillLoad(),this._sourceResolver=i,this._config=e,this._compositeImages={},this._setLayoutToZoomLevel(t.zoomLevel),!this.layout.getPageInfo(t.anchorPage))throw new Error("invalid page: "+t.anchorPage);this._canvas.width===this._viewport.width&&this._canvas.height===this._viewport.height||(this._canvas.width=this._viewport.width,this._canvas.height=this._viewport.height),this.goto(t.anchorPage,t.verticalOffset,t.horizontalOffset),this._canvas.parentNode!==this._outerElement&&this._outerElement.insertBefore(this._canvas,this._outerElement.firstChild),this._hooks.onViewDidLoad&&this._hooks.onViewDidLoad()}_setViewportPosition(e){if(e.zoomLevel!==this._zoomLevel){if(null===this._zoomLevel)throw new TypeError("The current view is not zoomable");if(null===e.zoomLevel)throw new TypeError("The current view requires a zoom level");this._setLayoutToZoomLevel(e.zoomLevel)}this._goto(e.anchorPage,e.verticalOffset,e.horizontalOffset)}_setLayoutToZoomLevel(e){this.layout=new O(this._config,e),this._zoomLevel=e,o(this._documentElement,{style:{height:this.layout.dimensions.height+"px",width:this.layout.dimensions.width+"px"}}),this._viewport.setInnerDimensions(this.layout.dimensions)}adjust(){this._clearAnimation(),this._render(),this._hooks.onViewDidUpdate&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}_render(){const e=[];this.layout.pageGroups.forEach(t=>{if(!this._viewport.intersectsRegion(t.region))return;const i=t.pages.filter(function(e){return this.isPageVisible(e.index)},this).map(e=>e.index);e.push.apply(e,i)},this),this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height),this._paintOutline(e),e.forEach(e=>{if(!this._compositeImages[e]){const t=this.layout.getPageInfo(e),i=this._sourceResolver.getAllZoomLevelsForPage(t),s=new L(i);s.updateFromCache(this._cache),this._compositeImages[e]=s}},this),this._initiateTileRequests(e);const t=R(this._renderedPages||[],e);t.removed.forEach(e=>{delete this._compositeImages[e]},this),this._renderedPages=e,this._paint(),this._hooks.onPageWillLoad&&t.added.forEach(e=>{this._hooks.onPageWillLoad(e)},this)}_paint(){const e=[];this._renderedPages.forEach(t=>{this._compositeImages[t].getTiles(this._zoomLevel).forEach(i=>{const s=A(i,this._zoomLevel);this._isTileVisible(t,s)&&(e.push(i.url),this._drawTile(t,s,this._cache.get(i.url)))})});const t=this._cache,i=R(this._renderedTiles||[],e);i.added.forEach(e=>{t.acquire(e)}),i.removed.forEach(e=>{t.release(e)}),i.removed&&this._renderedPages.forEach(e=>{this._compositeImages[e].updateFromCache(this._cache)},this),this._renderedTiles=e}_paintOutline(e){e.forEach(e=>{let t=this.layout.getPageInfo(e),i=this._getImageOffset(e),s=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),n=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),o=i.left-this._viewport.left+s,r=i.top-this._viewport.top+n,a=o<0?-o:0,l=r<0?-r:0,h=Math.max(0,o),c=Math.max(0,r),u=t.dimensions.width-a,d=t.dimensions.height-l;this._ctx.strokeStyle="#AAA",this._ctx.strokeRect(h+.5,c+.5,u,d)})}_initiateTileRequests(e){const t={},i=(e,i)=>{const s=this._compositeImages[i];t[e.url]=new M({url:e.url,timeoutTime:F,load:t=>{delete this._pendingRequests[e.url],this._cache.put(e.url,t),s===this._compositeImages[i]?(s.updateWithLoadedUrls([e.url]),this._isTileForSourceVisible(i,e)&&this._paint()):this._isTileForSourceVisible(i,e)&&this._paint()},error:()=>{delete this._pendingRequests[e.url]}})};for(let s=0;s<e.length;s++){const n=e[s],o=this._sourceResolver.getBestZoomLevelForPage(this.layout.getPageInfo(n)).tiles;for(let e=0;e<o.length;e++){const s=o[e];!this._cache.has(s.url)&&this._isTileForSourceVisible(n,s)&&(this._pendingRequests[s.url]?(t[s.url]=this._pendingRequests[s.url],delete this._pendingRequests[s.url]):i(s,n))}}for(const e in this._pendingRequests)this._pendingRequests[e].abort();this._pendingRequests=t}_drawTile(e,t,i){let s=this._getTileToDocumentOffset(e,t),n=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),o=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),r=s.left-this._viewport.left+n,a=s.top-this._viewport.top+o,l=r<0?-r:0,h=a<0?-a:0,c=Math.max(0,r),u=Math.max(0,a),d=l/t.scaleRatio,g=h/t.scaleRatio,v=Math.min(t.dimensions.width,i.width*t.scaleRatio)-l,p=Math.min(t.dimensions.height,i.height*t.scaleRatio)-h,f=Math.max(1,Math.round(v)),m=Math.max(1,Math.round(p)),w=f/t.scaleRatio,b=m/t.scaleRatio;this._ctx.drawImage(i,d,g,w,b,c,u,f,m)}_isTileForSourceVisible(e,t){return this._isTileVisible(e,A(t,this._zoomLevel))}_isTileVisible(e,t){const i=this._getTileToDocumentOffset(e,t);return this._viewport.intersectsRegion({top:i.top,bottom:i.top+t.dimensions.height,left:i.left,right:i.left+t.dimensions.width})}_getTileToDocumentOffset(e,t){const i=this._getImageOffset(e);return{top:i.top+t.offset.top,left:i.left+t.offset.left}}_getImageOffset(e){return this.layout.getPageOffset(e,{includePadding:!0})}goto(e,t,i){this._clearAnimation(),this._goto(e,t,i),this._hooks.onViewDidUpdate&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),e)}_goto(e,t,i){const s=this.layout.getPageOffset(e),n=s.top+t-Math.round(this._viewport.height/2),o=s.left+i-Math.round(this._viewport.width/2);this._viewport.top=n,this._viewport.left=o,this._render()}transitionViewportPosition(e){this._clearAnimation();const t=e.getPosition,i=this._hooks.onViewDidTransition;this._animation=z.animate({duration:e.duration,parameters:e.parameters,onUpdate:e=>{this._setViewportPosition(t(e)),this._hooks.onZoomLevelWillChange(e.zoomLevel),i&&i()},onEnd:t=>{e.onEnd&&e.onEnd(t),this._hooks.onViewDidUpdate&&!t.interrupted&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}})}_clearAnimation(){this._animation&&(this._animation.cancel(),this._animation=null)}isPageVisible(e){if(!this.layout)return!1;return!!this.layout.getPageInfo(e)&&this._viewport.intersectsRegion(this.layout.getPageRegion(e))}getRenderedPages(){return this._renderedPages.slice()}destroy(){this._clearAnimation(),Object.keys(this._pendingRequests).forEach(e=>{const t=this._pendingRequests[e];delete this._pendingRequests[e],t.abort()},this),this._canvas.parentNode.removeChild(this._canvas)}}function A(e,t){let i;return i=null===t?1:Math.pow(2,t-e.zoomLevel),{sourceZoomLevel:e.zoomLevel,scaleRatio:i,row:e.row,col:e.col,dimensions:{width:e.dimensions.width*i,height:e.dimensions.height*i},offset:{left:e.offset.left*i,top:e.offset.top*i},url:e.url}}function R(e,t){if(e===t)return{added:[],removed:[]};const i=e.filter(e=>-1===t.indexOf(e));return{added:t.filter(t=>-1===e.indexOf(t)),removed:i}}function H(e,t){const i=t.getMaxPageDimensions(e);return{width:Math.floor(i.width),height:Math.floor(i.height)}}function B(e){return function(e){const t=e.manifest,i=[];let s=null,n=[];const o=()=>{for(let e=0,t=n.length;e<t;e++)i.push([n[e]]);n=[]};t.pages.forEach((r,a)=>{const l={index:a,dimensions:H(a,t),paged:!t.paged||r.paged};(e.showNonPagedPages||l.paged)&&(l.paged?0===a||r.facingPages?(i.push([l]),o()):null===s?s=l:(i.push([s,l]),s=null,o()):n.push(l))}),null!==s&&(i.push([s]),o());return i}(e).map(t=>(function(e,t){const i=e.verticallyOriented;if(2===t.length)return function(e,t,i){const s=e.dimensions,n=t.dimensions,o=Math.max(s.height,n.height);let r,a,l;if(i){const e=Math.max(s.width,n.width);r=2*e,a=e-s.width,l=e}else r=s.width+n.width,a=0,l=s.width;return{dimensions:{height:o,width:r},pages:[{index:e.index,dimensions:s,groupOffset:{top:0,left:a}},{index:t.index,dimensions:n,groupOffset:{top:0,left:l}}]}}(t[0],t[1],i);const s=t[0],n=s.dimensions;let o;o=s.paged?0===s.index&&i?n.width:0:i?n.width/2:0;const r=i&&!e.manifest.pages[s.index].facingPages;return{dimensions:{height:n.height,width:r?2*n.width:n.width},pages:[{index:s.index,groupOffset:{top:0,left:o},dimensions:n}]}})(e,t))}function Z(e){const t=e.viewport.width,i=e.manifest,s=e.pagesPerRow,n=e.fixedHeightGrid,o=e.fixedPadding,r=e.showNonPagedPages,a=(t-o*(s+1))/s,l=a,h=n?o+i.minRatio*a:o+i.maxRatio*a,c=[];let u=[];const d={height:h,width:t};return i.pages.forEach((e,t)=>{if(!r&&i.paged&&!e.paged)return;const a=(e=>{const t=e.d[e.d.length-1],i=t.h/t.w;let s,r;return n?(s=(h-o)/i,r=h-o):r=(s=l)*i,{width:Math.round(s),height:Math.round(r)}})(e);let g=Math.floor(u.length*(o+l)+o);n&&(g+=(l-a.width)/2),u.push({index:t,dimensions:a,groupOffset:{top:0,left:g}}),u.length===s&&(c.push({dimensions:d,pages:u}),u=[])}),u.length>0&&c.push({dimensions:d,pages:u}),c}function G(e){if(e.inGrid)return Z(N(e,["manifest","viewport","pagesPerRow","fixedHeightGrid","fixedPadding","showNonPagedPages"]));{const t=N(e,["manifest","verticallyOriented","showNonPagedPages"]);return e.inBookLayout?B(t):function(e){const t=e.manifest,i=[];return t.pages.forEach((s,n)=>{if(!e.showNonPagedPages&&t.paged&&!s.paged)return;const o=H(n,t);i.push({dimensions:o,pages:[{index:n,groupOffset:{top:0,left:0},dimensions:o}]})}),i}(t)}}function N(e,t){const i={};return t.forEach(function(t){i[t]=e[t]}),i}function U(e){const t={};return e.forEach(e=>{!function(e,t){Object.keys(t).forEach(i=>{Object.defineProperty(e,i,{get:()=>t[i],set:()=>{throw new TypeError("Cannot set settings."+i)}})})}(t,e)}),t}class W{constructor(e){this.whitelistedKeys=e.whitelistedKeys||[],this.additionalProperties=e.additionalProperties||[],this.validations=e.validations}isValid(e,t,i){let s=null;if(this.validations.some((t,i)=>t.key===e&&(s=i,!0)),null===s)return!0;const n={};n[e]=t;const o=Y(i,n,this);return!this._runValidation(s,t,o)}validate(e){this._validateOptions({},e)}getValidatedOptions(e,t){const i=Object.assign({},t);return this._validateOptions(e,i),i}_validateOptions(e,t){const i=Y(e,t,this);this._applyValidations(t,i)}_applyValidations(e,t){this.validations.forEach((i,s)=>{if(!e.hasOwnProperty(i.key))return;const n=e[i.key],o=this._runValidation(s,n,t);o&&(o.warningSuppressed||function(e,t,i){console.warn("Invalid value for "+e+": "+t+". Using "+i+" instead.")}(i.key,n,o.value),e[i.key]=o.value)},this)}_runValidation(e,t,i){const s=this.validations[e];i.index=e;let n=!1;const o={suppressWarning:()=>{n=!0}},r=s.validate(t,i.proxy,o);return void 0===r||r===t?null:{value:r,warningSuppressed:n}}}function Y(e,t,i){const s={proxy:{},index:null},n=function(e,t,i){if(i in t)return t[i];return e[i]}.bind(null,e,t),o={};return i.whitelistedKeys.forEach(e=>{o[e]={get:n.bind(null,e)}}),i.additionalProperties.forEach(e=>{o[e.key]={get:e.get}}),i.validations.forEach((e,t)=>{o[e.key]={get:()=>{if(t<s.index)return n(e.key);const o=i.validations[s.index].key;throw new TypeError("Cannot access setting "+e.key+" while validating "+o)}}}),Object.defineProperties(s.proxy,o),s}class q{constructor(e,t){t=t||{},this.intersectionTolerance=t.intersectionTolerance||0,this.outer=e,this._top=this._left=this._width=this._height=this._innerDimensions=null,this.invalidate()}intersectsRegion(e){return this.hasHorizontalOverlap(e)&&this.hasVerticalOverlap(e)}hasVerticalOverlap(e){const t=this.top-this.intersectionTolerance,i=this.bottom+this.intersectionTolerance;return $(e.top,t,i)||$(e.bottom,t,i)||e.top<=t&&e.bottom>=i}hasHorizontalOverlap(e){const t=this.left-this.intersectionTolerance,i=this.right+this.intersectionTolerance;return $(e.left,t,i)||$(e.right,t,i)||e.left<=t&&e.right>=i}invalidate(){this._width=this.outer.clientWidth,this._height=this.outer.clientHeight,this._top=this.outer.scrollTop,this._left=this.outer.scrollLeft}setInnerDimensions(e){this._innerDimensions=e,e&&(this._top=J(this._top,0,e.height-this._height),this._left=J(this._left,0,e.width-this._width))}}function X(e,t){const i="_"+e,s="scroll"+e.charAt(0).toUpperCase()+e.slice(1);return{get:function(){return this[i]},set:function(e){let n;if(this._innerDimensions){n=J(e,0,this._innerDimensions[t]-this[t])}else n=Q(e,0);this[i]=this.outer[s]=n}}}function K(e){return{get:function(){return this["_"+e]}}}function $(e,t,i){return e>=t&&e<=i}function J(e,t,i){return Q(function(e,t){return Math.min(e,t)}(e,i),t)}function Q(e,t){return Math.max(e,t)}Object.defineProperties(q.prototype,{top:X("top","height"),left:X("left","width"),width:K("width"),height:K("height"),bottom:{get:function(){return this._top+this._height}},right:{get:function(){return this._left+this._width}}});const ee=i(1)("diva:ViewerCore");function te(){return te.counter++}te.counter=1;const ie=[{key:"goDirectlyTo",validate:(e,t)=>{if(e<0||e>=t.manifest.pages.length)return 0}},{key:"minPagesPerRow",validate:e=>Math.max(2,e)},{key:"maxPagesPerRow",validate:(e,t)=>Math.max(e,t.minPagesPerRow)},{key:"pagesPerRow",validate:(e,t)=>{if(e<t.minPagesPerRow||e>t.maxPagesPerRow)return t.maxPagesPerRow}},{key:"maxZoomLevel",validate:(e,t,i)=>{if(i.suppressWarning(),e<0||e>t.manifest.maxZoom)return t.manifest.maxZoom}},{key:"minZoomLevel",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<0||e>t.maxZoomLevel?0:void 0},{key:"zoomLevel",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<t.minZoomLevel||e>t.maxZoomLevel?t.minZoomLevel:void 0}];class se{constructor(e,t,i){this.parentObject=e,this.publicInstance=i,this.viewerState={currentPageIndices:[0],activePageIndex:0,horizontalOffset:0,horizontalPadding:0,ID:null,initialKeyScroll:!1,initialSpaceScroll:!1,innerElement:null,innerObject:{},isActiveDiva:!0,isScrollable:!0,isZooming:!1,loaded:!1,manifest:null,mobileWebkit:!1,numPages:0,oldZoomLevel:-1,options:t,outerElement:null,outerObject:{},pageOverlays:new S,pageTools:[],parentObject:this.parentObject,pendingManifestRequest:null,pluginInstances:[],renderer:null,resizeTimer:-1,scrollbarWidth:0,selector:"",throbberTimeoutID:-1,toolbar:null,verticalOffset:0,verticalPadding:0,viewHandler:null,viewport:null,viewportElement:null,viewportObject:null,zoomDuration:400},this.settings=U([t,this.viewerState]);const n=te();this.viewerState.ID="diva-"+n+"-",this.viewerState.selector=this.settings.ID,Object.defineProperties(this.settings,{panelHeight:{get:()=>this.viewerState.viewport.height},panelWidth:{get:()=>this.viewerState.viewport.width}}),this.optionsValidator=new W({additionalProperties:[{key:"manifest",get:()=>this.viewerState.manifest}],validations:ie}),this.viewerState.scrollbarWidth=function(){let e=document.createElement("p");e.style.width="100%",e.style.height="200px";let t=document.createElement("div");t.style.position="absolute",t.style.top="0px",t.style.left="0px",t.style.visibility="hidden",t.style.width="200px",t.style.height="150px",t.style.overflow="hidden",t.appendChild(e),document.body.appendChild(t);let i=e.offsetWidth;t.style.overflow="scroll";let s=e.offsetWidth;return i===s&&(s=t.clientWidth),document.body.removeChild(t),i-s}(),this.viewerState.mobileWebkit=void 0!==window.orientation,null===t.hashParamSuffix&&(t.hashParamSuffix=1===n?"":n+"");const o=s("div",this.elemAttrs("inner",{class:"diva-inner"})),r=s("div",this.elemAttrs("viewport"),o),a=s("div",this.elemAttrs("outer"),r,s("div",this.elemAttrs("throbber"),[s("div",{class:"cube cube1"}),s("div",{class:"cube cube2"}),s("div",{class:"cube cube3"}),s("div",{class:"cube cube4"}),s("div",{class:"cube cube5"}),s("div",{class:"cube cube6"}),s("div",{class:"cube cube7"}),s("div",{class:"cube cube8"}),s("div",{class:"cube cube9"})]));this.viewerState.innerElement=o,this.viewerState.viewportElement=r,this.viewerState.outerElement=a,this.viewerState.innerObject=o,this.viewerState.viewportObject=r,this.viewerState.outerObject=a,this.settings.parentObject.append(a),this.viewerState.viewport=new q(this.viewerState.viewportElement,{intersectionTolerance:this.settings.viewportMargin}),this.boundScrollFunction=this.scrollFunction.bind(this),this.boundEscapeListener=this.escapeListener.bind(this),this.initPlugins(),this.handleEvents(),this.showThrobber()}isValidOption(e,t){return this.optionsValidator.isValid(e,t,this.viewerState.options)}elemAttrs(e,t){const i={id:this.settings.ID+e,class:"diva-"+e};return t?Object.assign(i,t):i}getPageData(e,t){return this.settings.manifest.pages[e].d[this.settings.zoomLevel][t]}clearViewer(){this.viewerState.viewport.top=0,clearTimeout(this.viewerState.resizeTimer)}hasChangedOption(e,t){return t in e&&e[t]!==this.settings[t]}escapeListener(e){27===e.keyCode&&this.publicInstance.leaveFullscreenMode()}reloadViewer(e){const t=[];if(e=this.optionsValidator.getValidatedOptions(this.settings,e),this.hasChangedOption(e,"zoomLevel")&&(this.viewerState.oldZoomLevel=this.settings.zoomLevel,this.viewerState.options.zoomLevel=e.zoomLevel,t.push(["ZoomLevelDidChange",e.zoomLevel])),this.hasChangedOption(e,"pagesPerRow")&&(this.viewerState.options.pagesPerRow=e.pagesPerRow,t.push(["GridRowNumberDidChange",e.pagesPerRow])),this.hasChangedOption(e,"verticallyOriented")&&(this.viewerState.options.verticallyOriented=e.verticallyOriented),this.hasChangedOption(e,"showNonPagedPages")&&(this.viewerState.options.showNonPagedPages=e.showNonPagedPages),"goDirectlyTo"in e?(this.viewerState.options.goDirectlyTo=e.goDirectlyTo,"verticalOffset"in e&&(this.viewerState.verticalOffset=e.verticalOffset),"horizontalOffset"in e&&(this.viewerState.horizontalOffset=e.horizontalOffset)):this.viewerState.options.goDirectlyTo=this.settings.activePageIndex,(this.hasChangedOption(e,"inGrid")||this.hasChangedOption(e,"inBookLayout"))&&("inGrid"in e&&(this.viewerState.options.inGrid=e.inGrid),"inBookLayout"in e&&(this.viewerState.options.inBookLayout=e.inBookLayout),t.push(["ViewDidSwitch",this.settings.inGrid])),this.hasChangedOption(e,"inFullscreen")&&(this.viewerState.options.inFullscreen=e.inFullscreen,this.prepareModeChange(e),t.push(["ModeDidSwitch",this.settings.inFullscreen])),this.clearViewer(),this.updateViewHandlerAndRendering(),this.viewerState.renderer){const e={pageLayouts:G(this.settings),padding:this.getPadding(),maxZoomLevel:this.settings.inGrid?null:this.viewerState.manifest.maxZoom,verticallyOriented:this.settings.verticallyOriented||this.settings.inGrid},t={zoomLevel:this.settings.inGrid?null:this.settings.zoomLevel,anchorPage:this.settings.goDirectlyTo,verticalOffset:this.viewerState.verticalOffset,horizontalOffset:this.viewerState.horizontalOffset},i=this.getCurrentSourceProvider();if(ee.enabled){const t=Object.keys(e).filter(function(e){return"pageLayouts"!==e&&"padding"!==e}).map(function(t){const i=e[t];return t+": "+JSON.stringify(i)}).join(", ");ee("reload with %s",t)}this.viewerState.renderer.load(e,t,i)}return t.forEach(e=>{this.publish.apply(this,e)}),!0}prepareModeChange(e){const t=e.inFullscreen?"add":"remove";this.viewerState.outerObject.classList[t]("diva-fullscreen"),document.body.classList[t]("diva-hide-scrollbar"),this.settings.parentObject.classList[t]("diva-full-width");const i=this.settings.panelHeight,s=this.settings.panelWidth;if(this.viewerState.viewport.invalidate(),!(this.viewerState.loaded||this.settings.inGrid||"verticalOffset"in e)){const e=this.settings.panelHeight,t=this.settings.panelWidth;this.viewerState.verticalOffset+=(i-e)/2,this.viewerState.horizontalOffset+=(s-t)/2}e.inFullscreen?document.addEventListener("keyup",this.boundEscapeListener):document.removeEventListener("keyup",this.boundEscapeListener)}updateViewHandlerAndRendering(){const e=this.settings.inGrid?P:_;!this.viewerState.viewHandler||this.viewerState.viewHandler instanceof e||(this.viewerState.viewHandler.destroy(),this.viewerState.viewHandler=null),this.viewerState.viewHandler||(this.viewerState.viewHandler=new e(this)),this.viewerState.renderer||this.initializeRenderer()}initializeRenderer(){const e=j.getCompatibilityErrors();if(e)this.showError(e);else{const e={viewport:this.viewerState.viewport,outerElement:this.viewerState.outerElement,innerElement:this.viewerState.innerElement,settings:this.settings},t={onViewWillLoad:()=>{this.viewerState.viewHandler.onViewWillLoad()},onViewDidLoad:()=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidLoad()},onViewDidUpdate:(e,t)=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidUpdate(e,t)},onViewDidTransition:()=>{this.updatePageOverlays()},onPageWillLoad:e=>{this.publish("PageWillLoad",e)},onZoomLevelWillChange:e=>{this.publish("ZoomLevelWillChange",e)}};this.viewerState.renderer=new j(e,t)}}getCurrentSourceProvider(){if(this.settings.inGrid){const e={getAllZoomLevelsForPage:t=>[e.getBestZoomLevelForPage(t)],getBestZoomLevelForPage:e=>{return{zoomLevel:1,rows:1,cols:1,tiles:[{url:this.settings.manifest.getPageImageURL(e.index,{width:e.dimensions.width}),zoomLevel:1,row:0,col:0,dimensions:e.dimensions,offset:{top:0,left:0}}]}}};return e}const e={width:this.settings.tileWidth,height:this.settings.tileHeight};return{getBestZoomLevelForPage:t=>this.settings.manifest.getPageImageTiles(t.index,Math.ceil(this.settings.zoomLevel),e),getAllZoomLevelsForPage:t=>{const i=[],s=this.viewerState.manifest.maxZoom;for(let n=0;n<=s;n++)i.push(this.settings.manifest.getPageImageTiles(t.index,n,e));return i.reverse(),i}}}getPadding(){let e,t,i,s;return this.settings.inGrid?(i=this.settings.fixedPadding,e=t=s=0):(e=this.settings.verticallyOriented?this.viewerState.verticalPadding:0,t=this.settings.verticallyOriented?0:this.viewerState.horizontalPadding,i=this.settings.verticallyOriented?0:this.viewerState.verticalPadding,s=this.settings.verticallyOriented?this.viewerState.horizontalPadding:0),{document:{top:i,bottom:i,left:s,right:s},page:{top:e,bottom:0,left:t,right:0}}}updatePageOverlays(){this.viewerState.pageOverlays.updateOverlays(this.viewerState.renderer.getRenderedPages())}handleZoom(e,t){if(!this.isValidOption("zoomLevel",e))return!1;if(this.viewerState.viewportObject.removeEventListener("scroll",this.boundScrollFunction),!t){const e=this.viewerState.viewport,i=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);t={anchorPage:this.settings.activePageIndex,offset:{left:e.width/2-(i.left-e.left),top:e.height/2-(i.top-e.top)}}}const i=this.viewerState.renderer.layout.getPageRegion(t.anchorPage),s=i.left+t.offset.left-(this.settings.viewport.left+this.settings.viewport.width/2),n=i.top+t.offset.top-(this.settings.viewport.top+this.settings.viewport.height/2),o=(e,i)=>{const o=Math.pow(2,e-i),r=t.offset.left*o-s,a=t.offset.top*o-n;return{zoomLevel:e,anchorPage:t.anchorPage,verticalOffset:a,horizontalOffset:r}};this.viewerState.options.zoomLevel=e;let r=this.viewerState.oldZoomLevel;this.viewerState.oldZoomLevel=this.settings.zoomLevel;const a=o(e,r);this.viewerState.options.goDirectlyTo=a.anchorPage,this.viewerState.verticalOffset=a.verticalOffset,this.viewerState.horizontalOffset=a.horizontalOffset,this.viewerState.renderer.transitionViewportPosition({duration:this.settings.zoomDuration,parameters:{zoomLevel:{from:r,to:e}},getPosition:e=>o(e.zoomLevel,r),onEnd:t=>{this.viewerState.viewportObject.addEventListener("scroll",this.boundScrollFunction),t.interrupted&&(this.viewerState.oldZoomLevel=e)}});let l=document.getElementById(this.settings.selector+"zoom-in-button"),h=document.getElementById(this.settings.selector+"zoom-out-button");return l.disabled=!0,h.disabled=!0,setTimeout(()=>{l.disabled=!1,h.disabled=!1},this.settings.zoomDuration),this.publish("ZoomLevelDidChange",e),!0}getYOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return"center"===t||"centre"===t?parseInt(this.getPageData(i,"h")/2,10):"bottom"===t?parseInt(this.getPageData(i,"h")-this.settings.panelHeight/2,10):parseInt(this.settings.panelHeight/2,10)}getXOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return"left"===t?parseInt(this.settings.panelWidth/2,10):"right"===t?parseInt(this.getPageData(i,"w")-this.settings.panelWidth/2,10):parseInt(this.getPageData(i,"w")/2,10)}updatePanelSize(){return this.viewerState.viewport.invalidate(),this.viewerState.renderer&&(this.updateOffsets(),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),!0}updateOffsets(){const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e&&(this.viewerState.horizontalOffset=e.x,this.viewerState.verticalOffset=e.y)}bindMouseEvents(){this.viewerState.viewportObject.classList.add("dragscroll"),u.onDoubleClick(this.viewerState.viewportObject,(e,t)=>{ee("Double click at %s, %s",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}onResize(){this.updatePanelSize(),clearTimeout(this.viewerState.resizeTimer),this.viewerState.resizeTimer=setTimeout(()=>{const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e?this.reloadViewer({goDirectlyTo:this.settings.activePageIndex,verticalOffset:e.y,horizontalOffset:e.x}):this.reloadViewer({goDirectlyTo:this.settings.activePageIndex})},200)}bindTouchEvents(){this.settings.blockMobileMove&&document.body.addEventListener("touchmove",e=>{return e.originalEvent.preventDefault(),!1}),u.onPinch(this.viewerState.viewportObject,function(e,t,i,s){ee("Pinch %s at %s, %s",s-i,t.left,t.top),this.viewerState.viewHandler.onPinch(e,t,i,s)}),u.onDoubleTap(this.viewerState.viewportObject,function(e,t){ee("Double tap at %s, %s",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}scrollFunction(){const e=this.viewerState.viewport.top,t=this.viewerState.viewport.left;let i;this.viewerState.viewport.invalidate();const s=this.viewerState.viewport.top,n=this.viewerState.viewport.left;i=this.settings.verticallyOriented||this.settings.inGrid?s-e:n-t,this.viewerState.renderer.adjust();const o=this.settings.verticallyOriented||this.settings.inGrid?s:n;this.publish("ViewerDidScroll",o),i>0?this.publish("ViewerDidScrollDown",o):i<0&&this.publish("ViewerDidScrollUp",o),this.updateOffsets()}handleEvents(){this.viewerState.innerObject.addEventListener("mousedown",()=>{this.viewerState.innerObject.classList.add("diva-grabbing")}),this.viewerState.innerObject.addEventListener("mouseup",()=>{this.viewerState.innerObject.classList.remove("diva-grabbing")}),this.bindMouseEvents(),this.viewerState.viewportObject.addEventListener("scroll",this.boundScrollFunction);document.addEventListener("keydown.diva",e=>{if(!this.viewerState.isActiveDiva)return!0;if(this.settings.enableSpaceScroll&&!e.shiftKey&&32===e.keyCode||this.settings.enableKeyScroll&&34===e.keyCode)return this.viewerState.viewport.top+=this.settings.panelHeight,!1;if(this.settings.enableSpaceScroll||32!==e.keyCode||e.preventDefault(),this.settings.enableKeyScroll){if(e.shiftKey||e.ctrlKey||e.metaKey)return!0;switch(e.keyCode){case 33:return this.viewerState.viewport.top-=this.settings.panelHeight,!1;case 38:return this.viewerState.viewport.top-=this.settings.arrowScrollAmount,!1;case 40:return this.viewerState.viewport.top+=this.settings.arrowScrollAmount,!1;case 37:return this.viewerState.viewport.left-=this.settings.arrowScrollAmount,!1;case 39:return this.viewerState.viewport.left+=this.settings.arrowScrollAmount,!1;case 36:return this.viewerState.viewport.top=0,!1;case 35:return this.settings.verticallyOriented?this.viewerState.viewport.top=1/0:this.viewerState.viewport.left=1/0,!1;default:return!0}}return!0}),c.Events.subscribe("ViewerDidTerminate",function(){document.removeEventListener("keydown.diva")},this.settings.ID),window.addEventListener("resize",this.onResize.bind(this),!1),c.Events.subscribe("ViewerDidTerminate",function(){window.removeEventListener("resize",this.onResize,!1)},this.settings.ID),"onorientationchange"in window&&(window.addEventListener("orientationchange",this.onResize,!1),c.Events.subscribe("ViewerDidTerminate",function(){window.removeEventListener("orientationchange",this.onResize,!1)},this.settings.ID)),c.Events.subscribe("PanelSizeDidChange",this.updatePanelSize,this.settings.ID),c.Events.subscribe("ViewerDidTerminate",()=>{this.viewerState.renderer&&this.viewerState.renderer.destroy(),clearTimeout(this.viewerState.resizeTimer)},this.settings.ID)}initPlugins(){if(!this.settings.hasOwnProperty("plugins"))return null;this.viewerState.pluginInstances=this.settings.plugins.map(e=>{const t=new e(this);return t.isPageTool&&this.viewerState.pageTools.push(t),t})}showThrobber(){this.hideThrobber(),this.viewerState.throbberTimeoutID=setTimeout(()=>{let e=document.getElementById(this.settings.selector+"throbber");e&&(e.style.display="block")},this.settings.throbberTimeout)}hideThrobber(){clearTimeout(this.viewerState.throbberTimeoutID);let e=document.getElementById(this.settings.selector+"throbber");e&&(e.style.display="none")}showError(e){const t=s("div",this.elemAttrs("error"),[s("button",this.elemAttrs("error-close",{"aria-label":"Close dialog"})),s("p",s("strong","Error")),s("div",e)]);this.viewerState.outerObject.appendChild(t),document.querySelector("#"+this.settings.selector+"error-close").addEventListener("click",()=>{t.parentNode.removeChild(t)})}setManifest(e,t){if(this.viewerState.manifest=e,this.hideThrobber(),this.viewerState.numPages=this.settings.manifest.pages.length,this.optionsValidator.validate(this.viewerState.options),this.publish("NumberOfPagesDidChange",this.settings.numPages),this.settings.adaptivePadding>0){const e=Math.floor((this.settings.minZoomLevel+this.settings.maxZoomLevel)/2);this.viewerState.horizontalPadding=parseInt(this.settings.manifest.getAverageWidth(e)*this.settings.adaptivePadding,10),this.viewerState.verticalPadding=parseInt(this.settings.manifest.getAverageHeight(e)*this.settings.adaptivePadding,10)}else this.viewerState.horizontalPadding=this.settings.fixedPadding,this.viewerState.verticalPadding=this.settings.fixedPadding;let i,n;this.viewerState.pageTools.length&&(this.viewerState.verticalPadding=Math.max(40,this.viewerState.verticalPadding)),this.settings.manifest.paged&&(this.viewerState.options.inBookLayout=!0),this.publish("ObjectDidLoad",this.settings),this.updatePanelSize();let o=!1,r=!1;if(null==t.goDirectlyTo?(t.goDirectlyTo=this.settings.goDirectlyTo,i=n=!0):(i=null==t.horizontalOffset||isNaN(t.horizontalOffset),n=null==t.verticalOffset||isNaN(t.verticalOffset)),i&&(0===t.goDirectlyTo&&this.settings.inBookLayout&&this.settings.verticallyOriented?t.horizontalOffset=this.viewerState.horizontalPadding:(r=!0,t.horizontalOffset=this.getXOffset(t.goDirectlyTo,"center"))),n&&(o=!0,t.verticalOffset=this.getYOffset(t.goDirectlyTo,"top")),this.reloadViewer(t),this.updatePanelSize(),this.settings.enableAutoTitle){let e=document.getElementById(this.settings.selector+"title");e?e.innerHTML=this.settings.manifest.itemTitle:this.settings.parentObject.insertBefore(s("div",this.elemAttrs("title"),[this.settings.manifest.itemTitle]),this.settings.parentObject.firstChild)}this.settings.verticallyOriented?this.viewerState.innerElement.style.minWidth=this.settings.panelWidth+"px":this.viewerState.innerElement.style.minHeight=this.settings.panelHeight+"px",(o||r)&&(o&&(this.viewerState.verticalOffset=this.getYOffset(this.settings.activePageIndex,"top")),r&&(this.viewerState.horizontalOffset=this.getXOffset(this.settings.activePageIndex,"center")),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),this.viewerState.loaded=!0,this.publish("ViewerDidLoad",this.settings)}publish(e){const t=Array.prototype.slice.call(arguments,1);c.Events.publish(e,t,this.publicInstance)}getSettings(){return this.settings}getInternalState(){return this.viewerState}getPublicInstance(){return this.publicInstance}getPageTools(){return this.viewerState.pageTools}getCurrentLayout(){return this.viewerState.renderer?this.viewerState.renderer.layout:null}getViewport(){const e=this.viewerState.viewport;return{top:e.top,left:e.left,bottom:e.bottom,right:e.right,width:e.width,height:e.height}}addPageOverlay(e){this.viewerState.pageOverlays.addOverlay(e)}removePageOverlay(e){this.viewerState.pageOverlays.removeOverlay(e)}getPageRegion(e,t){const i=this.viewerState.renderer.layout,s=i.getPageRegion(e,t);if(t&&t.incorporateViewport){const e=this.settings.verticallyOriented?"width":"height";if(this.viewerState.viewport[e]>i.dimensions[e]){const t=(this.viewerState.viewport[e]-i.dimensions[e])/2;return this.settings.verticallyOriented?{top:s.top,bottom:s.bottom,left:s.left+t,right:s.right+t}:{top:s.top+t,bottom:s.bottom+t,left:s.left,right:s.right}}}return s}getPagePositionAtViewportOffset(e){const t=e.left+this.viewerState.viewport.left,i=e.top+this.viewerState.viewport.top,s=this.viewerState.renderer.getRenderedPages(),n=s.length;for(let e=0;e<n;e++){const n=s[e],o=this.viewerState.renderer.layout.getPageRegion(n);if(o.left<=t&&o.right>=t&&o.top<=i&&o.bottom>=i)return{anchorPage:n,offset:{left:t-o.left,top:i-o.top}}}const o=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);return{anchorPage:this.settings.activePageIndex,offset:{left:t-o.left,top:i-o.top}}}setCurrentPages(e,t){(function(e,t){if(e.length!==t.length)return!1;for(let i=0,s=e.length;i<s;i++)if(e[i]!==t[i])return!1;return!0})(this.viewerState.currentPageIndices,t)||(this.viewerState.currentPageIndices=t,this.viewerState.activePageIndex=e,this.publish("VisiblePageDidChange",t),this.viewerState.manifest.pages[e].otherImages.length>0&&this.publish("VisiblePageHasAlternateViews",e))}getPageName(e){return this.viewerState.manifest.pages[e].f}reload(e){this.reloadViewer(e)}zoom(e,t){return this.handleZoom(e,t)}enableScrollable(){this.viewerState.isScrollable||(this.bindMouseEvents(),this.enableDragScrollable(),this.viewerState.options.enableKeyScroll=this.viewerState.initialKeyScroll,this.viewerState.options.enableSpaceScroll=this.viewerState.initialSpaceScroll,this.viewerState.viewportElement.style.overflow="auto",this.viewerState.isScrollable=!0)}enableDragScrollable(){this.viewerState.viewportObject.hasAttribute("nochilddrag")&&this.viewerState.viewportObject.removeAttribute("nochilddrag")}disableScrollable(){this.viewerState.isScrollable&&(this.disableDragScrollable(),this.viewerState.outerObject.dblclick=null,this.viewerState.outerObject.contextmenu=null,this.viewerState.viewportElement.style.overflow="hidden",this.viewerState.initialKeyScroll=this.settings.enableKeyScroll,this.viewerState.initialSpaceScroll=this.settings.enableSpaceScroll,this.viewerState.options.enableKeyScroll=!1,this.viewerState.options.enableSpaceScroll=!1,this.viewerState.isScrollable=!1)}disableDragScrollable(){this.viewerState.viewportObject.hasAttribute("nochilddrag")||this.viewerState.viewportObject.setAttribute("nochilddrag","")}clear(){this.clearViewer()}setPendingManifestRequest(e){this.viewerState.pendingManifestRequest=e}destroy(){this.publish("ViewerWillTerminate",this.settings),this.settings.pendingManifestRequest&&this.settings.pendingManifestRequest.abort(),document.body.removeClass("diva-hide-scrollbar"),this.settings.parentObject.parent().empty().removeData("diva"),this.settings.parentObject.parent().removeAttr("style").removeAttr("class"),this.publish("ViewerDidTerminate",this.settings),c.Events.unsubscribeAll(this.settings.ID)}}const ne=(e,t)=>{const i=Math.max(e,t);return i<128?0:Math.ceil(Math.log((i+1)/257)/Math.log(2))},oe=(e,t)=>e/Math.pow(2,t),re=(e,t)=>e.map(e=>{const i=e.width,s=e.height,n=he(e),o="/"!==n.url.slice(-1)?n.url+"/":n.url,r=new Array(t+1);for(let e=0;e<t+1;e++)r[e]={h:Math.floor(oe(s,t-e)),w:Math.floor(oe(i,t-e))};return{f:n.url,url:o,il:e.label||"",d:r}}),ae=e=>"http://iiif.io/api/presentation/2/context.json"===e?2:Array.isArray(e)&&e.includes("http://iiif.io/api/presentation/2/context.json")?2:Array.isArray(e)&&e.includes("http://iiif.io/api/presentation/3/context.json")?3:2;function le(e){let t=e["@context"];if(!t)return console.error("Invalid IIIF Manifest; No @context found."),null;const i=ae(t),s=e.sequences?e.sequences[0]:null,n=s?s.canvases:e.items,o=n.length,r=new Array(n.length);let a,l,h,c,u,d,g,v,p,f,m,w,b,y,_,P,S,C=[],L=100,O=0,x=100;for(let e=0;e<o;e++){const t=n[e],i=t.width,s=t.height,o=ne(i,s),r=s/i;O=Math.max(r,O),x=Math.min(r,x),L=Math.min(L,o)}const E=new Array(L+1).fill(0),I=new Array(L+1).fill(0),T=new Array(L+1).fill(0),D=new Array(L+1).fill(0);for(let e=0;e<o;e++){if(w=(a=n[e])["@id"]||a.id,b=a.label,C=[],"oa:Choice"===(l=a.images?a.images[0].resource:a.items[0].items[0].body)["@type"]||"Choice"===l.type?(h=l.default||l.items[0],c=l.item||l.items.slice(1),C=re(c,L)):h=l,p=a.width||h.width,f=a.height||h.height,p<=0||f<=0){console.warn("Invalid width or height for canvas "+b+". Skipping");continue}m=ne(p,f),y=h.label||null,d="/"!==(g=he(h)).url.slice(-1)?g.url+"/":g.url,v="http://iiif.io/api/image/2/context.json"===(u=h.service["@context"]||h.service.type)||"ImageService2"===u?2:"http://library.stanford.edu/iiif/image-api/1.1/context.json"===u?1.1:1,_=new Array(L+1);for(let e=0;e<L+1;e++)P=Math.floor(oe(p,L-e)),S=Math.floor(oe(f,L-e)),_[e]={h:S,w:P},E[e]+=P,I[e]+=S,T[e]=Math.max(P,T[e]),D[e]=Math.max(S,D[e]);let t="non-paged"!==a.viewingHint||!!a.behavior&&"non-paged"!==a.behavior[0],i="facing-pages"===a.viewingHint||!!a.behavior&&"facing-pages"===a.behavior[0];r[e]={d:_,m:m,l:b,il:y,f:g.url,url:d,api:v,paged:t,facingPages:i,canvas:w,otherImages:C,xoffset:g.x||null,yoffset:g.y||null}}const M=new Array(L+1),z=new Array(L+1);for(let e=0;e<L+1;e++)M[e]=E[e]/o,z[e]=I[e]/o;const V={a_wid:M,a_hei:z,max_w:T,max_h:D,max_ratio:O,min_ratio:x,t_hei:I,t_wid:E};return{version:i,item_title:function(e){let t,i=e.label,s="object"==typeof i?i[Object.keys(i)[0]][0]:i,n=e.value;return t=Array.isArray(n)?n.map(e=>e[Object.keys(e)[0]]):"object"==typeof n?n[Object.keys(n)[0]]:n,Array.isArray(t)&&(t=t.join(", ")),{label:s,value:t}}(e).label,metadata:e.metadata||null,dims:V,max_zoom:L,pgs:r,paged:"paged"===e.viewingHint||!!e.behaviour&&"paged"===e.behaviour[0]||!!s&&"paged"===s.viewingHint}}function he(e){let t=e["@id"]||e.id;const i=/#xywh=([0-9]+,[0-9]+,[0-9]+,[0-9]+)/;let s="",n=!0;if(/\/([0-9]+,[0-9]+,[0-9]+,[0-9]+)\//.test(t)){const e=t.split("/");s=e[e.length-4]}else if(i.test(t)){s=i.exec(t)[1]}else e.service&&(e.service["@id"]||e.service.id)&&(t=e.service["@id"]||e.service.id,n=!1);n&&(t=t.split("/").slice(0,-4).join("/"));const o={url:t};if(s.length){const e=s.split(",");o.x=parseInt(e[0],10),o.y=parseInt(e[1],10),o.w=parseInt(e[2],10),o.h=parseInt(e[3],10)}return o}class ce{getPageImageURL(e,t,i){let s;s=!i||null==i.width&&null==i.height?"full":(null==i.width?"":i.width)+","+(null==i.height?"":i.height);const n=e.pages[t],o=n.api>1.1?"default":"native";return encodeURI(n.url+"full/"+s+"/0/"+o+".jpg")}getTileImageURL(e,t,i){const s=e.pages[t];let n,o;n=i.row===i.rowCount-1?s.d[i.zoomLevel].h-(i.rowCount-1)*i.tileDimensions.height:i.tileDimensions.height,o=i.col===i.colCount-1?s.d[i.zoomLevel].w-(i.colCount-1)*i.tileDimensions.width:i.tileDimensions.width;const r=Math.pow(2,e.maxZoom-i.zoomLevel);let a=i.col*i.tileDimensions.width*r,l=i.row*i.tileDimensions.height*r;s.hasOwnProperty("xoffset")&&(a+=s.xoffset,l+=s.yoffset);const h=[a,l,o*r,n*r].join(","),c=s.api>1.1?"default":"native";return encodeURI(s.url+h+"/"+o+","+n+"/0/"+c+".jpg")}}class ue{constructor(e,t){this.pages=e.pgs,this.maxZoom=e.max_zoom,this.maxRatio=e.dims.max_ratio,this.minRatio=e.dims.min_ratio,this.itemTitle=e.item_title,this.metadata=e.metadata,this.paged=!!e.paged,this._maxWidths=e.dims.max_w,this._maxHeights=e.dims.max_h,this._averageWidths=e.dims.a_wid,this._averageHeights=e.dims.a_hei,this._totalHeights=e.dims.t_hei,this._totalWidths=e.dims.t_wid,this._urlAdapter=t}static fromIIIF(e){const t=le(e);return new ue(t,new ce)}isPageValid(e,t){return!(!t&&this.paged&&!this.pages[e].paged)&&(e>=0&&e<this.pages.length)}getMaxPageDimensions(e){const t=this.pages[e].d[this.maxZoom];return{height:t.h,width:t.w}}getPageDimensionsAtZoomLevel(e,t){const i=this.pages[e].d[this.maxZoom],s=function(e,t){return 1/Math.pow(2,e-t)}(this.maxZoom,t);return{height:i.h*s,width:i.w*s}}getPageImageURL(e,t){return this._urlAdapter.getPageImageURL(this,e,t)}getPageImageTiles(e,t,i){const s=this.pages[e];if(!isFinite(t)||t%1!=0)throw new TypeError("Zoom level must be an integer: "+t);const n=Math.ceil(s.d[t].h/i.height),o=Math.ceil(s.d[t].w/i.width),r=[];let a,l,h;for(a=0;a<n;a++)for(l=0;l<o;l++)h=this._urlAdapter.getTileImageURL(this,e,{row:a,col:l,rowCount:n,colCount:o,zoomLevel:t,tileDimensions:i}),r.push({row:a,col:l,zoomLevel:t,dimensions:{height:i.height,width:i.width},offset:{top:a*i.height,left:l*i.width},url:h});return{zoomLevel:t,rows:n,cols:o,tiles:r}}}function de(e){return function(t){return this[e][t]}}ue.prototype.getMaxWidth=de("_maxWidths"),ue.prototype.getMaxHeight=de("_maxHeights"),ue.prototype.getAverageWidth=de("_averageWidths"),ue.prototype.getAverageHeight=de("_averageHeights"),ue.prototype.getTotalWidth=de("_totalWidths"),ue.prototype.getTotalHeight=de("_totalHeights");class ge{constructor(e){this.viewer=e,this.settings=e.settings}_elemAttrs(e,t){const i={id:this.settings.ID+e,class:"diva-"+e};return t?Object.assign(i,t):i}_subscribe(e,t){c.Events.subscribe(e,t,this.settings.ID)}createButton(e,t,i,n){const o=s("button",{type:"button",id:this.settings.ID+e,class:"diva-"+e+" diva-button",title:t});return n&&o.appendChild(n),i&&o.addEventListener("click",i),o}createLabel(e,t,i,n,o){return s("div",{id:this.settings.ID+t,class:e+" diva-label"},[i,s("span",{id:this.settings.ID+n},o)])}createZoomButtons(){let e=this._createZoomOutIcon(),t=this._createZoomInIcon(),i=[this.createButton("zoom-out-button","Zoom Out",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel-1)},e),this.createButton("zoom-in-button","Zoom In",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel+1)},t),this.createLabel("diva-zoom-label","zoom-label","Zoom level: ","zoom-level",this.settings.zoomLevel+1)],n=function(){document.getElementById(this.settings.ID+"zoom-level").textContent=this.settings.zoomLevel+1};return this._subscribe("ZoomLevelDidChange",n),this._subscribe("ViewerDidLoad",n),s("div",{id:this.settings.ID+"zoom-controls",style:"display: none"},i)}createGridControls(){let e=this._createGridMoreIcon(),t=this._createGridFewerIcon(),i=[this.createButton("grid-out-button","Fewer",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow-1)},t),this.createButton("grid-in-button","More",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow+1)},e),this.createLabel("diva-grid-label","grid-label","Pages per row: ","pages-per-row",this.settings.pagesPerRow)];return this._subscribe("GridRowNumberDidChange",function(){document.getElementById(this.settings.ID+"pages-per-row").textContent=this.settings.pagesPerRow}),s("div",{id:this.settings.ID+"grid-controls",style:"display:none"},i)}createPageLabel(){const e=s("span",{id:this.settings.ID+"current-page"}),t=()=>{let t=this.viewer.getCurrentPageIndices(),i=t[0],s=t[t.length-1],n=this.settings.manifest.pages[i].l,o=this.settings.manifest.pages[s].l;i!==s?this.settings.enableIndexAsLabel?e.textContent=i+" - "+s:e.textContent=n+" - "+o:this.settings.enableIndexAsLabel?e.textContent=i:e.textContent=n};return this._subscribe("VisiblePageDidChange",t),this._subscribe("ViewerDidLoad",t),this._subscribe("ViewDidSwitch",t),s("span",{class:"diva-page-label diva-label"},e)}createGotoPageForm(){const e=s("input",{id:this.settings.ID+"goto-page-input",class:"diva-input diva-goto-page-input",autocomplete:"off",type:"text"}),t=s("input",{id:this.settings.ID+"goto-page-submit",class:"diva-button diva-button-text",type:"submit",value:"Go"}),i=s("div",{id:this.settings.ID+"input-suggestions",class:"diva-input-suggestions"}),n=s("form",{id:this.settings.ID+"goto-page",class:"diva-goto-form"},e,t,i);return n.addEventListener("submit",t=>{t.preventDefault();const s=e.value;if(this.settings.onGotoSubmit&&"function"==typeof this.settings.onGotoSubmit){const e=this.settings.onGotoSubmit(s);this.viewer.gotoPageByIndex(e)||window.alert("No page could be found with that label or page number")}else this.viewer.gotoPageByLabel(s)||window.alert("No page could be found with that label or page number");return i.style.display="none",!1}),["input","focus"].forEach(t=>{e.addEventListener(t,()=>{i.innerHTML="";const t=e.value;let n=0;if(this.settings.enableGotoSuggestions&&t){const e=this.settings.manifest.pages;for(let o=0,r=e.length;o<r&&n<10;o++)if(e[o].l.toLowerCase().indexOf(t.toLowerCase())>-1){const t=s("div",{class:"diva-input-suggestion"},e[o].l);i.appendChild(t),n++}n>0&&(i.style.display="block")}else i.style.display="none"})}),e.addEventListener("keydown",t=>{let i;if(13===t.keyCode){const t=document.getElementsByClassName("active")[0];void 0!==t&&(e.value=t.innerText)}if(38===t.keyCode){const e=(i=document.getElementsByClassName("active")[0])?i.previousSibling:void 0;if(void 0!==e)i.classList.remove("active"),null!==e&&e.classList.add("active");else{let e=document.getElementsByClassName("diva-input-suggestion").length-1;document.getElementsByClassName("diva-input-suggestion")[e].classList.add("active")}}else if(40===t.keyCode){const e=(i=document.getElementsByClassName("active")[0])?i.nextSibling:void 0;void 0!==e?(i.classList.remove("active"),null!==e&&e.classList.add("active")):document.getElementsByClassName("diva-input-suggestion")[0].classList.add("active")}}),function(e,t,i,s){e.addEventListener(t,function(e){for(var t=e.target;t&&t!==this;)t.matches(i)&&s.call(t,e),t=t.parentNode})}(i,"mousedown",".diva-input-suggestion",function(){e.value=this.textContent,i.style.display="none";let t=new Event("submit");n.dispatchEvent(t)}),e.addEventListener("blur",()=>{i.style.display="none"}),n}createViewMenu(){const e=s("div",this._elemAttrs("view-options")),t=this._createGridViewIcon(),i=this._createBookViewIcon(),n=this._createPageViewIcon(),o=this.createButton("view-icon","Change view",()=>{e.style.display="none"===e.style.display?"block":"none"}),r=t=>{this.viewer.changeView(t),e.style.display="none"},a=()=>{this.settings.inGrid?(o.appendChild(t),o.className="diva-grid-icon diva-view-icon diva-button"):this.settings.inBookLayout?(o.appendChild(i),o.className="diva-book-icon diva-view-icon diva-button"):(o.appendChild(n),o.className="diva-document-icon diva-view-icon diva-button");const s=document.createDocumentFragment();for((this.settings.inGrid||this.settings.inBookLayout)&&s.appendChild(this.createButton("document-icon","Document View",r.bind(null,"document"),n)),!this.settings.inGrid&&this.settings.inBookLayout||s.appendChild(this.createButton("book-icon","Book View",r.bind(null,"book"),i)),this.settings.inGrid||s.appendChild(this.createButton("grid-icon","Grid View",r.bind(null,"grid"),t));e.firstChild;)e.removeChild(e.firstChild);e.appendChild(s)};return document.addEventListener("mouseup",t=>{e!==t.target&&(e.style.display="none")}),this._subscribe("ViewDidSwitch",a),this._subscribe("ObjectDidLoad",a),s("div",this._elemAttrs("view-menu"),o,e)}createFullscreenButton(){let e=this._createFullscreenIcon();return this.createButton("fullscreen-icon","Toggle fullscreen mode",()=>{this.viewer.toggleFullscreenMode()},e)}toggleZoomGridControls(){this.settings.inGrid?(document.getElementById(this.settings.ID+"zoom-controls").style.display="none",document.getElementById(this.settings.ID+"grid-controls").style.display="block"):(document.getElementById(this.settings.ID+"zoom-controls").style.display="block",document.getElementById(this.settings.ID+"grid-controls").style.display="none")}render(){this._subscribe("ViewDidSwitch",this.toggleZoomGridControls),this._subscribe("ObjectDidLoad",this.toggleZoomGridControls);let e=[this.createZoomButtons(),this.createGridControls()],t=[this.createPageLabel(),this.createViewMenu()];this.settings.enableFullscreen&&t.push(this.createFullscreenButton()),this.settings.enableGotoPage&&t.splice(1,0,this.createGotoPageForm());let i=this.viewer.viewerState.pluginInstances;for(let s=0,o=i.length;s<o;s++){let o=i[s];o.toolbarSide&&(o.toolbarIcon=o.createIcon(),o.toolbarIcon&&("right"===o.toolbarSide?t.splice(2,0,o.toolbarIcon):"left"===o.toolbarSide&&e.splice(2,0,o.toolbarIcon),o.toolbarIcon.addEventListener("click",n.bind(this,o))))}function n(e){e.handleClick(this.viewer)}const o=s("div",this._elemAttrs("tools"),s("div",this._elemAttrs("tools-left"),e),s("div",this._elemAttrs("tools-right"),t));this.settings.toolbarParentObject.insertBefore(o,this.settings.toolbarParentObject.firstChild)}_createToolbarIcon(e){let t=document.createElementNS("http://www.w3.org/2000/svg","svg");t.setAttributeNS(null,"viewBox","0 0 25 25"),t.setAttributeNS(null,"x","0px"),t.setAttributeNS(null,"y","0px"),t.setAttributeNS(null,"style","enable-background:new 0 0 48 48;");let i=document.createElementNS("http://www.w3.org/2000/svg","g");return i.setAttributeNS(null,"transform","matrix(1, 0, 0, 1, -12, -12)"),e.forEach(e=>{let t=document.createElementNS("http://www.w3.org/2000/svg","path");t.setAttributeNS(null,"d",e),i.appendChild(t)}),t.appendChild(i),t}_createZoomOutIcon(){return this._createToolbarIcon(["M19.5,23c-0.275,0-0.5-0.225-0.5-0.5v-1c0-0.275,0.225-0.5,0.5-0.5h7c0.275,0,0.5,0.225,0.5,0.5v1c0,0.275-0.225,0.5-0.5,0.5H19.5z","M37.219,34.257l-2.213,2.212c-0.202,0.202-0.534,0.202-0.736,0l-6.098-6.099c-1.537,0.993-3.362,1.577-5.323,1.577c-5.431,0-9.849-4.418-9.849-9.849c0-5.431,4.418-9.849,9.849-9.849c5.431,0,9.849,4.418,9.849,9.849c0,1.961-0.584,3.786-1.576,5.323l6.098,6.098C37.422,33.722,37.422,34.054,37.219,34.257z M29.568,22.099c0-3.706-3.014-6.72-6.72-6.72c-3.706,0-6.72,3.014-6.72,6.72c0,3.706,3.014,6.72,6.72,6.72C26.555,28.818,29.568,25.805,29.568,22.099z"])}_createZoomInIcon(){return this._createToolbarIcon(["M37.469,34.257l-2.213,2.212c-0.202,0.202-0.534,0.202-0.736,0l-6.098-6.099c-1.537,0.993-3.362,1.577-5.323,1.577c-5.431,0-9.849-4.418-9.849-9.849c0-5.431,4.418-9.849,9.849-9.849c5.431,0,9.849,4.418,9.849,9.849c0,1.961-0.584,3.786-1.576,5.323l6.098,6.098C37.672,33.722,37.672,34.054,37.469,34.257z M29.818,22.099c0-3.706-3.014-6.72-6.72-6.72c-3.706,0-6.72,3.014-6.72,6.72c0,3.706,3.014,6.72,6.72,6.72C26.805,28.818,29.818,25.805,29.818,22.099z M26.5,21H24v-2.5c0-0.275-0.225-0.5-0.5-0.5h-1c-0.275,0-0.5,0.225-0.5,0.5V21h-2.5c-0.275,0-0.5,0.225-0.5,0.5v1c0,0.275,0.225,0.5,0.5,0.5H22v2.5c0,0.275,0.225,0.5,0.5,0.5h1c0.275,0,0.5-0.225,0.5-0.5V23h2.5c0.275,0,0.5-0.225,0.5-0.5v-1C27,21.225,26.775,21,26.5,21z"])}_createGridMoreIcon(){return this._createToolbarIcon(["M29.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z 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i=0;e.addEventListener(\"touchstart\",function(e){e.preventDefault(),2===e.originalEvent.touches.length&&(i=p(e.originalEvent.touches[0].clientX,e.originalEvent.touches[0].clientY,e.originalEvent.touches[1].clientX,e.originalEvent.touches[1].clientY))}),e.addEventListener(\"touchmove\",function(e){if(e.preventDefault(),2===e.originalEvent.touches.length){const s=e.originalEvent.touches,n=p(s[0].clientX,s[0].clientY,s[1].clientX,s[1].clientY),o=n-i;if(Math.abs(o)>0){const o={pageX:(s[0].clientX+s[1].clientX)/2,pageY:(s[0].clientY+s[1].clientY)/2};t(e,m(e.currentTarget,o),i,n)}}})},onDoubleTap:function(e,t){const i=f(v);let s=null;e.addEventListener(\"touchend\",e=>{if(e.preventDefault(),i.isTriggered()){i.reset();const n={pageX:e.originalEvent.changedTouches[0].clientX,pageY:e.originalEvent.changedTouches[0].clientY},o=p(s.pageX,s.pageY,n.pageX,n.pageY);o<g&&t(e,m(e.currentTarget,n)),s=null}else s={pageX:e.originalEvent.changedTouches[0].clientX,pageY:e.originalEvent.changedTouches[0].clientY},i.trigger()})}};const d=500,g=50,v=250;function p(e,t,i,s){return Math.sqrt((i-e)*(i-e)+(s-t)*(s-t))}function f(e){let t=!1,i=null;return{trigger(){t=!0,s(),i=setTimeout(function(){t=!1,i=null},e)},isTriggered:()=>t,reset(){t=!1,s()}};function s(){null!==i&&(clearTimeout(i),i=null)}}function m(e,t){const i=e.getBoundingClientRect();return{left:t.pageX-i.left,top:t.pageY-i.top}}var w=i(0),b=i.n(w);class y{constructor(e,t){this.page=e,this._viewerCore=t,this._innerElement=this._viewerCore.getSettings().innerElement,this._pageToolsElem=null,this.labelWidth=0}mount(){null===this._pageToolsElem&&(this._buttons=this._initializePageToolButtons(),this._pageToolsElem=s(\"div\",{class:\"diva-page-tools-wrapper\"},s(\"div\",{class:\"diva-page-tools\"},this._buttons)),this._pageLabelsElem=s(\"div\",{class:\"diva-page-labels-wrapper\"},s(\"div\",{class:\"diva-page-labels\"},this._viewerCore.settings.manifest.pages[this.page].l))),this.refresh(),this._innerElement.appendChild(this._pageToolsElem),this._innerElement.appendChild(this._pageLabelsElem)}_initializePageToolButtons(){const e=this._viewerCore.getSettings(),t=this._viewerCore.getPublicInstance(),i=this.page;return this._viewerCore.getPageTools().map(s=>{const n=s.pageToolsIcon.cloneNode(!0);return n.addEventListener(\"click\",n=>{s.handleClick.call(s,n,e,t,i)},!1),n.addEventListener(\"touchend\",n=>{n.preventDefault(),s.handleClick.call(s,n,e,t,i)},!1),n})}unmount(){this._innerElement.removeChild(this._pageToolsElem),this._innerElement.removeChild(this._pageLabelsElem)}refresh(){const e=this._viewerCore.getPageRegion(this.page,{includePadding:!0,incorporateViewport:!0});let t=window.getComputedStyle(this._innerElement,null).getPropertyValue(\"margin-left\");this._pageToolsElem.style.top=`${e.top}px`,this._pageToolsElem.style.left=`${e.left-parseInt(t)}px`,this._pageLabelsElem.style.top=`${e.top}px`,this._pageLabelsElem.style.left=`${e.right-parseInt(t)-this.labelWidth-5}px`}}class _{constructor(e){if(this._viewerCore=e,this._viewerState=e.getInternalState(),this._overlays=[],this._viewerCore.getPageTools().length){const t=e.getSettings().numPages;for(let i=0;i<t;i++){const t=new y(i,e);this._overlays.push(t),this._viewerCore.addPageOverlay(t);let s=document.createElement(\"span\");s.innerHTML=e.settings.manifest.pages[i].l,s.classList.add(\"diva-page-labels\"),s.setAttribute(\"style\",\"display: inline-block;\"),document.body.appendChild(s);let n=s.clientWidth;document.body.removeChild(s),t.labelWidth=n}}}onDoubleClick(e,t){const i=this._viewerCore.getSettings(),s=e.ctrlKey?i.zoomLevel-1:i.zoomLevel+1,n=this._viewerCore.getPagePositionAtViewportOffset(t);this._viewerCore.zoom(s,n)}onPinch(e,t,i,s){const n=this._viewerCore.getInternalState(),o=this._viewerCore.getSettings();let r=Math.log(Math.pow(2,o.zoomLevel)*s/(i*Math.log(2)))/Math.log(2);if(r=Math.max(o.minZoomLevel,r),(r=Math.min(o.maxZoomLevel,r))===o.zoomLevel)return;const a=this._viewerCore.getPagePositionAtViewportOffset(t),l=this._viewerCore.getCurrentLayout().getPageToViewportCenterOffset(a.anchorPage,n.viewport),h=1/Math.pow(2,o.zoomLevel-r);this._viewerCore.reload({zoomLevel:r,goDirectlyTo:a.anchorPage,horizontalOffset:l.x-a.offset.left+a.offset.left*h,verticalOffset:l.y-a.offset.top+a.offset.top*h})}onViewWillLoad(){this._viewerCore.publish(\"DocumentWillLoad\",this._viewerCore.getSettings())}onViewDidLoad(){this._handleZoomLevelChange();const e=this._viewerCore.getSettings().activePageIndex,t=this._viewerCore.getPageName(e);this._viewerCore.publish(\"DocumentDidLoad\",e,t)}onViewDidUpdate(e,t){const i=null!==t?t:function(e,t,i){const s=i.top+i.height/2,n=i.left+i.width/2,o=b()(e,e=>{const i=t.getPageDimensions(e),o=t.getPageOffset(e,{includePadding:!1}),r=o.left+i.height/2,a=o.top+i.width/2,l=Math.max(Math.abs(n-r)-i.width/2,0),h=Math.max(Math.abs(s-a)-i.height/2,0);return-(l*l+h*h)});return null!=o?o:null}(e,this._viewerCore.getCurrentLayout(),this._viewerCore.getViewport());let s=this._viewerState.viewport.intersectionTolerance;this._viewerState.viewport.intersectionTolerance=0;let n=e.filter(e=>this._viewerState.renderer.isPageVisible(e));this._viewerState.viewport.intersectionTolerance=s,null!==i&&this._viewerCore.setCurrentPages(i,n),null!==t&&this._viewerCore.publish(\"ViewerDidJump\",t),this._handleZoomLevelChange()}_handleZoomLevelChange(){const e=this._viewerState,t=e.options.zoomLevel;e.oldZoomLevel!==t&&e.oldZoomLevel>=0&&(e.oldZoomLevel<t?this._viewerCore.publish(\"ViewerDidZoomIn\",t):this._viewerCore.publish(\"ViewerDidZoomOut\",t),this._viewerCore.publish(\"ViewerDidZoom\",t)),e.oldZoomLevel=t}destroy(){this._overlays.forEach(e=>{this._viewerCore.removePageOverlay(e)},this)}}class P{constructor(e){this._viewerCore=e}onDoubleClick(e,t){const i=this._viewerCore.getPagePositionAtViewportOffset(t),s=this._viewerCore.getCurrentLayout(),n=this._viewerCore.getViewport(),o=s.getPageToViewportCenterOffset(i.anchorPage,n);this._viewerCore.reload({inGrid:!1,goDirectlyTo:i.anchorPage,horizontalOffset:o.x+i.offset.left,verticalOffset:o.y+i.offset.top})}onPinch(){this._viewerCore.reload({inGrid:!1})}onViewWillLoad(){}onViewDidLoad(){}onViewDidUpdate(e,t){if(0===e.length)return;let i=this._viewerCore.viewerState.viewport.intersectionTolerance;this._viewerCore.viewerState.viewport.intersectionTolerance=0;let s=e.filter(e=>this._viewerCore.viewerState.renderer.isPageVisible(e));if(this._viewerCore.viewerState.viewport.intersectionTolerance=i,null!==t)return void this._viewerCore.setCurrentPages(t,s);const n=this._viewerCore.getCurrentLayout(),o=[];e.forEach(e=>{const t=n.getPageInfo(e).group;0!==o.length&&t===o[o.length-1]||o.push(t)});const r=this._viewerCore.getViewport();let a;a=1===o.length||o[0].region.top>=r.top?o[0]:o[1].region.bottom<=r.bottom?o[1]:function(e,t){const i=t.top+t.height/2;return b()(e,e=>{const t=e.region.top+e.dimensions.height/2;return-Math.abs(i-t)})}(o,r);const l=this._viewerCore.getSettings().activePageIndex;a.pages.some(e=>e.index===l)||this._viewerCore.setCurrentPages(a.pages[0].index,s)}destroy(){}}class S{constructor(){this._pages={},this._renderedPages=[],this._renderedPageMap={}}addOverlay(e){(this._pages[e.page]||(this._pages[e.page]=[])).push(e),this._renderedPageMap[e.page]&&e.mount()}removeOverlay(e){const t=e.page,i=this._pages[t];if(!i)return;const s=i.indexOf(e);-1!==s&&(this._renderedPageMap[t]&&i[s].unmount(),i.splice(s,1),0===i.length&&delete this._pages[t])}updateOverlays(e){const t=this._renderedPages,i={};e.map(e=>{i[e]=!0,this._renderedPageMap[e]||(this._renderedPageMap[e]=!0,this._invokeOnOverlays(e,e=>{e.mount()}))}),t.map(e=>{i[e]?this._invokeOnOverlays(e,e=>{e.refresh()}):(delete 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n=this._loadedByLevel[e.zoomLevel];let o=e.tiles.filter(e=>n.isLoaded(e.row,e.col));const r=Math.pow(2,i-e.zoomLevel);o=o.filter(e=>{let t=!1;const i=e.row*r,n=e.col*r;for(let e=0;e<r;e++)for(let o=0;o<r;o++)s.isLoaded(i+e,n+o)||(t=!0,s.set(i+e,n+o,!0));return t}),t.push(o)},this),t.reverse();const o=[];return t.forEach(e=>{o.push.apply(o,e)}),o}updateFromCache(e){this.clear(),this._levels.forEach(t=>{const i=this._loadedByLevel[t.zoomLevel];t.tiles.forEach(t=>{e.has(t.url)&&i.set(t.row,t.col,!0)})},this)}updateWithLoadedUrls(e){e.forEach(e=>{const t=this._urlsToTiles[e];this._loadedByLevel[t.zoomLevel].set(t.row,t.col,!0)},this)}}class O{constructor(e,t){const i=function(e,t){const i=null===t?e.pageLayouts:function(e,t){const i=Math.pow(2,t-e.maxZoomLevel);return e.pageLayouts.map(e=>({dimensions:E(e.dimensions,i),pages:e.pages.map(e=>({index:e.index,groupOffset:{top:Math.floor(e.groupOffset.top*i),left:Math.floor(e.groupOffset.left*i)},dimensions:E(e.dimensions,i)}))}))}(e,t),s=function(e,t){let i,s;const n=e.padding.document;e.verticallyOriented?(i=\"width\",s=n.left+n.right):(i=\"height\",s=n.top+n.bottom);return s+t.reduce((e,t)=>Math.max(t.dimensions[i],e),0)}(e,i);let n=e.verticallyOriented?e.padding.document.top:e.padding.document.left;const o=[],r={top:e.padding.page.top,left:e.padding.page.left};let a,l;i.forEach((t,i)=>{let a,l;e.verticallyOriented?(a=n,l=(s-t.dimensions.width)/2):(a=(s-t.dimensions.height)/2,l=n);const h={top:a,bottom:a+r.top+t.dimensions.height,left:l,right:l+r.left+t.dimensions.width};o.push({index:i,dimensions:t.dimensions,pages:t.pages,region:h,padding:r}),n=e.verticallyOriented?h.bottom:h.right}),e.verticallyOriented?(a=n+r.top,l=s):(a=s,l=n+r.left);return{dimensions:{height:a,width:l},pageGroups:o}}(e,t);this.dimensions=i.dimensions,this.pageGroups=i.pageGroups,this._pageLookup=function(e){const t={};return e.forEach(e=>{e.pages.forEach(i=>{t[i.index]={index:i.index,group:e,dimensions:i.dimensions,groupOffset:i.groupOffset}})}),t}(i.pageGroups)}getPageInfo(e){return this._pageLookup[e]||null}getPageDimensions(e){if(!this._pageLookup||!this._pageLookup[e])return null;const t=x(this._pageLookup[e]);return{height:t.bottom-t.top,width:t.right-t.left}}getPageOffset(e,t){const i=this.getPageRegion(e,t);return i?{top:i.top,left:i.left}:null}getPageRegion(e,t){const i=this._pageLookup[e];if(!i)return null;const s=x(i),n=i.group.padding;return t&&t.includePadding?{top:s.top+n.top,left:s.left+n.left,bottom:s.bottom,right:s.right}:{top:s.top,left:s.left,bottom:s.bottom+n.top,right:s.right}}getPageToViewportCenterOffset(e,t){const i=t.left,s=t.right-t.left,n=this.getPageOffset(e),o=i-n.left+parseInt(s/2,10),r=t.top,a=t.bottom-t.top;return{x:o,y:r-n.top+parseInt(a/2,10)}}}function x(e){const t=e.groupOffset.top+e.group.region.top,i=t+e.dimensions.height,s=e.groupOffset.left+e.group.region.left;return{top:t,bottom:i,left:s,right:s+e.dimensions.width}}function E(e,t){return{height:Math.floor(e.height*t),width:Math.floor(e.width*t)}}const I=i(1)(\"diva:ImageCache\"),T=100;class D{constructor(e){e=e||{maxKeys:T},this.maxKeys=e.maxKeys||T,this._held={},this._urls={},this._lru=[]}get(e){const t=this._urls[e];return t?t.img:null}has(e){return!!this._urls[e]}put(e,t){let i=this._urls[e];i?(i.img=t,this._promote(i)):(i={img:t,url:e},this._urls[e]=i,this._tryEvict(1),this._lru.unshift(i))}_promote(e){const t=this._lru.indexOf(e);this._lru.splice(t,1),this._lru.unshift(e)}_tryEvict(e){const t=this.maxKeys-e;if(this._lru.length<=t)return;let i=this._lru.length-1;for(;;){const e=this._lru[i];if(!this._held[e.url]&&(I(\"Evicting image %s\",e.url),this._lru.splice(i,1),delete this._urls[e.url],this._lru.length<=t))break;if(0===i){I.enabled&&I(\"Cache overfull by %s (all entries are being held)\",this._lru.length-t);break}i--}}acquire(e){this._held[e]=(this._held[e]||0)+1,this._promote(this._urls[e])}release(e){this._held[e]>1?this._held[e]--:delete this._held[e],this._tryEvict(0)}}class M{constructor(e){this._url=e.url,this._callback=e.load,this._errorCallback=e.error,this.timeoutTime=e.timeoutTime||0,this._aborted=this._complete=!1,this.timeout=setTimeout(()=>{this._image=new Image,this._image.onload=this._handleLoad.bind(this),this._image.onerror=this._handleError.bind(this),this._image.src=e.url},this.timeoutTime)}abort(){clearTimeout(this.timeout),this._image&&(this._image.onload=this._image.onerror=null,this._image.src=\"\"),this._aborted=!0}_handleLoad(){this._aborted?console.error(\"ImageRequestHandler invoked on cancelled request for \"+this._url):this._complete?console.error(\"ImageRequestHandler invoked on completed request for \"+this._url):(this._complete=!0,this._callback(this._image))}_handleError(){this._errorCallback(this._image)}}var z={animate:function(e){const t=e.duration,i=e.parameters,s=e.onUpdate,n=e.onEnd,o=V(),r=o+t,a={},l={},h=Object.keys(i);h.forEach(e=>{const t=i[e];a[e]=function(e,t,i){return s=>e+(t-e)*i(s)}(t.from,t.to,t.easing||k)});let c=requestAnimationFrame(function e(){const i=V();const n=Math.min((i-o)/t,1);!function(e){h.forEach(t=>{l[t]=a[t](e)})}(n);s(l);i<r?c=requestAnimationFrame(e):u({interrupted:!1})});return{cancel(){null!==c&&(cancelAnimationFrame(c),u({interrupted:!0}))}};function u(e){c=null,n&&n(e)}},easing:{linear:function(e){return e},cubic:k}};let V;function k(e){return e<.5?4*e*e*e:(e-1)*(2*e-2)*(2*e-2)+1}V=\"undefined\"!=typeof performance&&performance.now?()=>performance.now():()=>Date.now();const F=250;class j{constructor(e,t){this._viewport=e.viewport,this._outerElement=e.outerElement,this._documentElement=e.innerElement,this._settings=e.settings,this._hooks=t||{},this._canvas=s(\"canvas\",{class:\"diva-viewer-canvas\"}),this._ctx=this._canvas.getContext(\"2d\"),this.layout=null,this._sourceResolver=null,this._renderedPages=null,this._config=null,this._zoomLevel=null,this._compositeImages=null,this._renderedTiles=null,this._animation=null,this._cache=new D,this._pendingRequests={}}static getCompatibilityErrors(){return\"undefined\"!=typeof HTMLCanvasElement?null:[\"Your browser lacks support for the \",s(\"pre\",\"canvas\"),\" element. Please upgrade your browser.\"]}load(e,t,i){if(this._clearAnimation(),this._hooks.onViewWillLoad&&this._hooks.onViewWillLoad(),this._sourceResolver=i,this._config=e,this._compositeImages={},this._setLayoutToZoomLevel(t.zoomLevel),!this.layout.getPageInfo(t.anchorPage))throw new Error(\"invalid page: \"+t.anchorPage);this._canvas.width===this._viewport.width&&this._canvas.height===this._viewport.height||(this._canvas.width=this._viewport.width,this._canvas.height=this._viewport.height),this.goto(t.anchorPage,t.verticalOffset,t.horizontalOffset),this._canvas.parentNode!==this._outerElement&&this._outerElement.insertBefore(this._canvas,this._outerElement.firstChild),this._hooks.onViewDidLoad&&this._hooks.onViewDidLoad()}_setViewportPosition(e){if(e.zoomLevel!==this._zoomLevel){if(null===this._zoomLevel)throw new TypeError(\"The current view is not zoomable\");if(null===e.zoomLevel)throw new TypeError(\"The current view requires a zoom level\");this._setLayoutToZoomLevel(e.zoomLevel)}this._goto(e.anchorPage,e.verticalOffset,e.horizontalOffset)}_setLayoutToZoomLevel(e){this.layout=new O(this._config,e),this._zoomLevel=e,o(this._documentElement,{style:{height:this.layout.dimensions.height+\"px\",width:this.layout.dimensions.width+\"px\"}}),this._viewport.setInnerDimensions(this.layout.dimensions)}adjust(){this._clearAnimation(),this._render(),this._hooks.onViewDidUpdate&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}_render(){const e=[];this.layout.pageGroups.forEach(t=>{if(!this._viewport.intersectsRegion(t.region))return;const i=t.pages.filter(function(e){return this.isPageVisible(e.index)},this).map(e=>e.index);e.push.apply(e,i)},this),this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height),this._paintOutline(e),e.forEach(e=>{if(!this._compositeImages[e]){const t=this.layout.getPageInfo(e),i=this._sourceResolver.getAllZoomLevelsForPage(t),s=new L(i);s.updateFromCache(this._cache),this._compositeImages[e]=s}},this),this._initiateTileRequests(e);const t=R(this._renderedPages||[],e);t.removed.forEach(e=>{delete this._compositeImages[e]},this),this._renderedPages=e,this._paint(),this._hooks.onPageWillLoad&&t.added.forEach(e=>{this._hooks.onPageWillLoad(e)},this)}_paint(){const e=[];this._renderedPages.forEach(t=>{this._compositeImages[t].getTiles(this._zoomLevel).forEach(i=>{const s=A(i,this._zoomLevel);this._isTileVisible(t,s)&&(e.push(i.url),this._drawTile(t,s,this._cache.get(i.url)))})});const t=this._cache,i=R(this._renderedTiles||[],e);i.added.forEach(e=>{t.acquire(e)}),i.removed.forEach(e=>{t.release(e)}),i.removed&&this._renderedPages.forEach(e=>{this._compositeImages[e].updateFromCache(this._cache)},this),this._renderedTiles=e}_paintOutline(e){e.forEach(e=>{let t=this.layout.getPageInfo(e),i=this._getImageOffset(e),s=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),n=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),o=i.left-this._viewport.left+s,r=i.top-this._viewport.top+n,a=o<0?-o:0,l=r<0?-r:0,h=Math.max(0,o),c=Math.max(0,r),u=t.dimensions.width-a,d=t.dimensions.height-l;this._ctx.strokeStyle=\"#AAA\",this._ctx.strokeRect(h+.5,c+.5,u,d)})}_initiateTileRequests(e){const t={},i=(e,i)=>{const s=this._compositeImages[i];t[e.url]=new M({url:e.url,timeoutTime:F,load:t=>{delete this._pendingRequests[e.url],this._cache.put(e.url,t),s===this._compositeImages[i]?(s.updateWithLoadedUrls([e.url]),this._isTileForSourceVisible(i,e)&&this._paint()):this._isTileForSourceVisible(i,e)&&this._paint()},error:()=>{delete this._pendingRequests[e.url]}})};for(let s=0;s<e.length;s++){const n=e[s],o=this._sourceResolver.getBestZoomLevelForPage(this.layout.getPageInfo(n)).tiles;for(let e=0;e<o.length;e++){const s=o[e];!this._cache.has(s.url)&&this._isTileForSourceVisible(n,s)&&(this._pendingRequests[s.url]?(t[s.url]=this._pendingRequests[s.url],delete this._pendingRequests[s.url]):i(s,n))}}for(const e in this._pendingRequests)this._pendingRequests[e].abort();this._pendingRequests=t}_drawTile(e,t,i){let s=this._getTileToDocumentOffset(e,t),n=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),o=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),r=s.left-this._viewport.left+n,a=s.top-this._viewport.top+o,l=r<0?-r:0,h=a<0?-a:0,c=Math.max(0,r),u=Math.max(0,a),d=l/t.scaleRatio,g=h/t.scaleRatio,v=Math.min(t.dimensions.width,i.width*t.scaleRatio)-l,p=Math.min(t.dimensions.height,i.height*t.scaleRatio)-h,f=Math.max(1,Math.round(v)),m=Math.max(1,Math.round(p)),w=f/t.scaleRatio,b=m/t.scaleRatio;this._ctx.drawImage(i,d,g,w,b,c,u,f,m)}_isTileForSourceVisible(e,t){return this._isTileVisible(e,A(t,this._zoomLevel))}_isTileVisible(e,t){const i=this._getTileToDocumentOffset(e,t);return this._viewport.intersectsRegion({top:i.top,bottom:i.top+t.dimensions.height,left:i.left,right:i.left+t.dimensions.width})}_getTileToDocumentOffset(e,t){const i=this._getImageOffset(e);return{top:i.top+t.offset.top,left:i.left+t.offset.left}}_getImageOffset(e){return this.layout.getPageOffset(e,{includePadding:!0})}goto(e,t,i){this._clearAnimation(),this._goto(e,t,i),this._hooks.onViewDidUpdate&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),e)}_goto(e,t,i){const s=this.layout.getPageOffset(e),n=s.top+t-Math.round(this._viewport.height/2),o=s.left+i-Math.round(this._viewport.width/2);this._viewport.top=n,this._viewport.left=o,this._render()}transitionViewportPosition(e){this._clearAnimation();const t=e.getPosition,i=this._hooks.onViewDidTransition;this._animation=z.animate({duration:e.duration,parameters:e.parameters,onUpdate:e=>{this._setViewportPosition(t(e)),this._hooks.onZoomLevelWillChange(e.zoomLevel),i&&i()},onEnd:t=>{e.onEnd&&e.onEnd(t),this._hooks.onViewDidUpdate&&!t.interrupted&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}})}_clearAnimation(){this._animation&&(this._animation.cancel(),this._animation=null)}isPageVisible(e){if(!this.layout)return!1;return!!this.layout.getPageInfo(e)&&this._viewport.intersectsRegion(this.layout.getPageRegion(e))}getRenderedPages(){return this._renderedPages.slice()}destroy(){this._clearAnimation(),Object.keys(this._pendingRequests).forEach(e=>{const t=this._pendingRequests[e];delete this._pendingRequests[e],t.abort()},this),this._canvas.parentNode.removeChild(this._canvas)}}function A(e,t){let i;return i=null===t?1:Math.pow(2,t-e.zoomLevel),{sourceZoomLevel:e.zoomLevel,scaleRatio:i,row:e.row,col:e.col,dimensions:{width:e.dimensions.width*i,height:e.dimensions.height*i},offset:{left:e.offset.left*i,top:e.offset.top*i},url:e.url}}function R(e,t){if(e===t)return{added:[],removed:[]};const i=e.filter(e=>-1===t.indexOf(e));return{added:t.filter(t=>-1===e.indexOf(t)),removed:i}}function H(e,t){const i=t.getMaxPageDimensions(e);return{width:Math.floor(i.width),height:Math.floor(i.height)}}function B(e){return function(e){const t=e.manifest,i=[];let s=null,n=[];const o=()=>{for(let e=0,t=n.length;e<t;e++)i.push([n[e]]);n=[]};t.pages.forEach((r,a)=>{const l={index:a,dimensions:H(a,t),paged:!t.paged||r.paged};(e.showNonPagedPages||l.paged)&&(l.paged?0===a||r.facingPages?(i.push([l]),o()):null===s?s=l:(i.push([s,l]),s=null,o()):n.push(l))}),null!==s&&(i.push([s]),o());return i}(e).map(t=>(function(e,t){const i=e.verticallyOriented;if(2===t.length)return function(e,t,i){const s=e.dimensions,n=t.dimensions,o=Math.max(s.height,n.height);let r,a,l;if(i){const e=Math.max(s.width,n.width);r=2*e,a=e-s.width,l=e}else r=s.width+n.width,a=0,l=s.width;return{dimensions:{height:o,width:r},pages:[{index:e.index,dimensions:s,groupOffset:{top:0,left:a}},{index:t.index,dimensions:n,groupOffset:{top:0,left:l}}]}}(t[0],t[1],i);const s=t[0],n=s.dimensions;let o;o=s.paged?0===s.index&&i?n.width:0:i?n.width/2:0;const r=i&&!e.manifest.pages[s.index].facingPages;return{dimensions:{height:n.height,width:r?2*n.width:n.width},pages:[{index:s.index,groupOffset:{top:0,left:o},dimensions:n}]}})(e,t))}function Z(e){const t=e.viewport.width,i=e.manifest,s=e.pagesPerRow,n=e.fixedHeightGrid,o=e.fixedPadding,r=e.showNonPagedPages,a=(t-o*(s+1))/s,l=a,h=n?o+i.minRatio*a:o+i.maxRatio*a,c=[];let u=[];const d={height:h,width:t};return i.pages.forEach((e,t)=>{if(!r&&i.paged&&!e.paged)return;const a=(e=>{const t=e.d[e.d.length-1],i=t.h/t.w;let s,r;return 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Using \"+i+\" instead.\")}(i.key,n,o.value),e[i.key]=o.value)},this)}_runValidation(e,t,i){const s=this.validations[e];i.index=e;let n=!1;const o={suppressWarning:()=>{n=!0}},r=s.validate(t,i.proxy,o);return void 0===r||r===t?null:{value:r,warningSuppressed:n}}}function Y(e,t,i){const s={proxy:{},index:null},n=function(e,t,i){if(i in t)return t[i];return e[i]}.bind(null,e,t),o={};return i.whitelistedKeys.forEach(e=>{o[e]={get:n.bind(null,e)}}),i.additionalProperties.forEach(e=>{o[e.key]={get:e.get}}),i.validations.forEach((e,t)=>{o[e.key]={get:()=>{if(t<s.index)return n(e.key);const o=i.validations[s.index].key;throw new TypeError(\"Cannot access setting \"+e.key+\" while validating \"+o)}}}),Object.defineProperties(s.proxy,o),s}class q{constructor(e,t){t=t||{},this.intersectionTolerance=t.intersectionTolerance||0,this.outer=e,this._top=this._left=this._width=this._height=this._innerDimensions=null,this.invalidate()}intersectsRegion(e){return this.hasHorizontalOverlap(e)&&this.hasVerticalOverlap(e)}hasVerticalOverlap(e){const t=this.top-this.intersectionTolerance,i=this.bottom+this.intersectionTolerance;return $(e.top,t,i)||$(e.bottom,t,i)||e.top<=t&&e.bottom>=i}hasHorizontalOverlap(e){const t=this.left-this.intersectionTolerance,i=this.right+this.intersectionTolerance;return $(e.left,t,i)||$(e.right,t,i)||e.left<=t&&e.right>=i}invalidate(){this._width=this.outer.clientWidth,this._height=this.outer.clientHeight,this._top=this.outer.scrollTop,this._left=this.outer.scrollLeft}setInnerDimensions(e){this._innerDimensions=e,e&&(this._top=J(this._top,0,e.height-this._height),this._left=J(this._left,0,e.width-this._width))}}function X(e,t){const i=\"_\"+e,s=\"scroll\"+e.charAt(0).toUpperCase()+e.slice(1);return{get:function(){return this[i]},set:function(e){let n;if(this._innerDimensions){n=J(e,0,this._innerDimensions[t]-this[t])}else n=Q(e,0);this[i]=this.outer[s]=n}}}function K(e){return{get:function(){return this[\"_\"+e]}}}function $(e,t,i){return e>=t&&e<=i}function J(e,t,i){return Q(function(e,t){return Math.min(e,t)}(e,i),t)}function Q(e,t){return Math.max(e,t)}Object.defineProperties(q.prototype,{top:X(\"top\",\"height\"),left:X(\"left\",\"width\"),width:K(\"width\"),height:K(\"height\"),bottom:{get:function(){return this._top+this._height}},right:{get:function(){return this._left+this._width}}});const ee=i(1)(\"diva:ViewerCore\");function te(){return te.counter++}te.counter=1;const ie=[{key:\"goDirectlyTo\",validate:(e,t)=>{if(e<0||e>=t.manifest.pages.length)return 0}},{key:\"minPagesPerRow\",validate:e=>Math.max(2,e)},{key:\"maxPagesPerRow\",validate:(e,t)=>Math.max(e,t.minPagesPerRow)},{key:\"pagesPerRow\",validate:(e,t)=>{if(e<t.minPagesPerRow||e>t.maxPagesPerRow)return t.maxPagesPerRow}},{key:\"maxZoomLevel\",validate:(e,t,i)=>{if(i.suppressWarning(),e<0||e>t.manifest.maxZoom)return t.manifest.maxZoom}},{key:\"minZoomLevel\",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<0||e>t.maxZoomLevel?0:void 0},{key:\"zoomLevel\",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<t.minZoomLevel||e>t.maxZoomLevel?t.minZoomLevel:void 0}];class se{constructor(e,t,i){this.parentObject=e,this.publicInstance=i,this.viewerState={currentPageIndices:[0],activePageIndex:0,horizontalOffset:0,horizontalPadding:0,ID:null,initialKeyScroll:!1,initialSpaceScroll:!1,innerElement:null,innerObject:{},isActiveDiva:!0,isScrollable:!0,isZooming:!1,loaded:!1,manifest:null,mobileWebkit:!1,numPages:0,oldZoomLevel:-1,options:t,outerElement:null,outerObject:{},pageOverlays:new S,pageTools:[],parentObject:this.parentObject,pendingManifestRequest:null,pluginInstances:[],renderer:null,resizeTimer:-1,scrollbarWidth:0,selector:\"\",throbberTimeoutID:-1,toolbar:null,verticalOffset:0,verticalPadding:0,viewHandler:null,viewport:null,viewportElement:null,viewportObject:null,zoomDuration:400},this.settings=U([t,this.viewerState]);const n=te();this.viewerState.ID=\"diva-\"+n+\"-\",this.viewerState.selector=this.settings.ID,Object.defineProperties(this.settings,{panelHeight:{get:()=>this.viewerState.viewport.height},panelWidth:{get:()=>this.viewerState.viewport.width}}),this.optionsValidator=new W({additionalProperties:[{key:\"manifest\",get:()=>this.viewerState.manifest}],validations:ie}),this.viewerState.scrollbarWidth=function(){let e=document.createElement(\"p\");e.style.width=\"100%\",e.style.height=\"200px\";let t=document.createElement(\"div\");t.style.position=\"absolute\",t.style.top=\"0px\",t.style.left=\"0px\",t.style.visibility=\"hidden\",t.style.width=\"200px\",t.style.height=\"150px\",t.style.overflow=\"hidden\",t.appendChild(e),document.body.appendChild(t);let i=e.offsetWidth;t.style.overflow=\"scroll\";let s=e.offsetWidth;return i===s&&(s=t.clientWidth),document.body.removeChild(t),i-s}(),this.viewerState.mobileWebkit=void 0!==window.orientation,null===t.hashParamSuffix&&(t.hashParamSuffix=1===n?\"\":n+\"\");const o=s(\"div\",this.elemAttrs(\"inner\",{class:\"diva-inner\"})),r=s(\"div\",this.elemAttrs(\"viewport\"),o),a=s(\"div\",this.elemAttrs(\"outer\"),r,s(\"div\",this.elemAttrs(\"throbber\"),[s(\"div\",{class:\"cube cube1\"}),s(\"div\",{class:\"cube cube2\"}),s(\"div\",{class:\"cube cube3\"}),s(\"div\",{class:\"cube cube4\"}),s(\"div\",{class:\"cube cube5\"}),s(\"div\",{class:\"cube cube6\"}),s(\"div\",{class:\"cube cube7\"}),s(\"div\",{class:\"cube cube8\"}),s(\"div\",{class:\"cube cube9\"})]));this.viewerState.innerElement=o,this.viewerState.viewportElement=r,this.viewerState.outerElement=a,this.viewerState.innerObject=o,this.viewerState.viewportObject=r,this.viewerState.outerObject=a,this.settings.parentObject.append(a),this.viewerState.viewport=new q(this.viewerState.viewportElement,{intersectionTolerance:this.settings.viewportMargin}),this.boundScrollFunction=this.scrollFunction.bind(this),this.boundEscapeListener=this.escapeListener.bind(this),this.initPlugins(),this.handleEvents(),this.showThrobber()}isValidOption(e,t){return this.optionsValidator.isValid(e,t,this.viewerState.options)}elemAttrs(e,t){const i={id:this.settings.ID+e,class:\"diva-\"+e};return t?Object.assign(i,t):i}getPageData(e,t){return this.settings.manifest.pages[e].d[this.settings.zoomLevel][t]}clearViewer(){this.viewerState.viewport.top=0,clearTimeout(this.viewerState.resizeTimer)}hasChangedOption(e,t){return t in e&&e[t]!==this.settings[t]}escapeListener(e){27===e.keyCode&&this.publicInstance.leaveFullscreenMode()}reloadViewer(e){const t=[];if(e=this.optionsValidator.getValidatedOptions(this.settings,e),this.hasChangedOption(e,\"zoomLevel\")&&(this.viewerState.oldZoomLevel=this.settings.zoomLevel,this.viewerState.options.zoomLevel=e.zoomLevel,t.push([\"ZoomLevelDidChange\",e.zoomLevel])),this.hasChangedOption(e,\"pagesPerRow\")&&(this.viewerState.options.pagesPerRow=e.pagesPerRow,t.push([\"GridRowNumberDidChange\",e.pagesPerRow])),this.hasChangedOption(e,\"verticallyOriented\")&&(this.viewerState.options.verticallyOriented=e.verticallyOriented),this.hasChangedOption(e,\"showNonPagedPages\")&&(this.viewerState.options.showNonPagedPages=e.showNonPagedPages),\"goDirectlyTo\"in e?(this.viewerState.options.goDirectlyTo=e.goDirectlyTo,\"verticalOffset\"in e&&(this.viewerState.verticalOffset=e.verticalOffset),\"horizontalOffset\"in e&&(this.viewerState.horizontalOffset=e.horizontalOffset)):this.viewerState.options.goDirectlyTo=this.settings.activePageIndex,(this.hasChangedOption(e,\"inGrid\")||this.hasChangedOption(e,\"inBookLayout\"))&&(\"inGrid\"in e&&(this.viewerState.options.inGrid=e.inGrid),\"inBookLayout\"in e&&(this.viewerState.options.inBookLayout=e.inBookLayout),t.push([\"ViewDidSwitch\",this.settings.inGrid])),this.hasChangedOption(e,\"inFullscreen\")&&(this.viewerState.options.inFullscreen=e.inFullscreen,this.prepareModeChange(e),t.push([\"ModeDidSwitch\",this.settings.inFullscreen])),this.clearViewer(),this.updateViewHandlerAndRendering(),this.viewerState.renderer){const e={pageLayouts:G(this.settings),padding:this.getPadding(),maxZoomLevel:this.settings.inGrid?null:this.viewerState.manifest.maxZoom,verticallyOriented:this.settings.verticallyOriented||this.settings.inGrid},t={zoomLevel:this.settings.inGrid?null:this.settings.zoomLevel,anchorPage:this.settings.goDirectlyTo,verticalOffset:this.viewerState.verticalOffset,horizontalOffset:this.viewerState.horizontalOffset},i=this.getCurrentSourceProvider();if(ee.enabled){const t=Object.keys(e).filter(function(e){return\"pageLayouts\"!==e&&\"padding\"!==e}).map(function(t){const i=e[t];return t+\": \"+JSON.stringify(i)}).join(\", \");ee(\"reload with %s\",t)}this.viewerState.renderer.load(e,t,i)}return t.forEach(e=>{this.publish.apply(this,e)}),!0}prepareModeChange(e){const t=e.inFullscreen?\"add\":\"remove\";this.viewerState.outerObject.classList[t](\"diva-fullscreen\"),document.body.classList[t](\"diva-hide-scrollbar\"),this.settings.parentObject.classList[t](\"diva-full-width\");const i=this.settings.panelHeight,s=this.settings.panelWidth;if(this.viewerState.viewport.invalidate(),!(this.viewerState.loaded||this.settings.inGrid||\"verticalOffset\"in e)){const e=this.settings.panelHeight,t=this.settings.panelWidth;this.viewerState.verticalOffset+=(i-e)/2,this.viewerState.horizontalOffset+=(s-t)/2}e.inFullscreen?document.addEventListener(\"keyup\",this.boundEscapeListener):document.removeEventListener(\"keyup\",this.boundEscapeListener)}updateViewHandlerAndRendering(){const e=this.settings.inGrid?P:_;!this.viewerState.viewHandler||this.viewerState.viewHandler instanceof e||(this.viewerState.viewHandler.destroy(),this.viewerState.viewHandler=null),this.viewerState.viewHandler||(this.viewerState.viewHandler=new e(this)),this.viewerState.renderer||this.initializeRenderer()}initializeRenderer(){const e=j.getCompatibilityErrors();if(e)this.showError(e);else{const e={viewport:this.viewerState.viewport,outerElement:this.viewerState.outerElement,innerElement:this.viewerState.innerElement,settings:this.settings},t={onViewWillLoad:()=>{this.viewerState.viewHandler.onViewWillLoad()},onViewDidLoad:()=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidLoad()},onViewDidUpdate:(e,t)=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidUpdate(e,t)},onViewDidTransition:()=>{this.updatePageOverlays()},onPageWillLoad:e=>{this.publish(\"PageWillLoad\",e)},onZoomLevelWillChange:e=>{this.publish(\"ZoomLevelWillChange\",e)}};this.viewerState.renderer=new j(e,t)}}getCurrentSourceProvider(){if(this.settings.inGrid){const e={getAllZoomLevelsForPage:t=>[e.getBestZoomLevelForPage(t)],getBestZoomLevelForPage:e=>{return{zoomLevel:1,rows:1,cols:1,tiles:[{url:this.settings.manifest.getPageImageURL(e.index,{width:e.dimensions.width}),zoomLevel:1,row:0,col:0,dimensions:e.dimensions,offset:{top:0,left:0}}]}}};return e}const e={width:this.settings.tileWidth,height:this.settings.tileHeight};return{getBestZoomLevelForPage:t=>this.settings.manifest.getPageImageTiles(t.index,Math.ceil(this.settings.zoomLevel),e),getAllZoomLevelsForPage:t=>{const i=[],s=this.viewerState.manifest.maxZoom;for(let n=0;n<=s;n++)i.push(this.settings.manifest.getPageImageTiles(t.index,n,e));return i.reverse(),i}}}getPadding(){let e,t,i,s;return this.settings.inGrid?(i=this.settings.fixedPadding,e=t=s=0):(e=this.settings.verticallyOriented?this.viewerState.verticalPadding:0,t=this.settings.verticallyOriented?0:this.viewerState.horizontalPadding,i=this.settings.verticallyOriented?0:this.viewerState.verticalPadding,s=this.settings.verticallyOriented?this.viewerState.horizontalPadding:0),{document:{top:i,bottom:i,left:s,right:s},page:{top:e,bottom:0,left:t,right:0}}}updatePageOverlays(){this.viewerState.pageOverlays.updateOverlays(this.viewerState.renderer.getRenderedPages())}handleZoom(e,t){if(!this.isValidOption(\"zoomLevel\",e))return!1;if(this.viewerState.viewportObject.removeEventListener(\"scroll\",this.boundScrollFunction),!t){const e=this.viewerState.viewport,i=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);t={anchorPage:this.settings.activePageIndex,offset:{left:e.width/2-(i.left-e.left),top:e.height/2-(i.top-e.top)}}}const i=this.viewerState.renderer.layout.getPageRegion(t.anchorPage),s=i.left+t.offset.left-(this.settings.viewport.left+this.settings.viewport.width/2),n=i.top+t.offset.top-(this.settings.viewport.top+this.settings.viewport.height/2),o=(e,i)=>{const o=Math.pow(2,e-i),r=t.offset.left*o-s,a=t.offset.top*o-n;return{zoomLevel:e,anchorPage:t.anchorPage,verticalOffset:a,horizontalOffset:r}};this.viewerState.options.zoomLevel=e;let r=this.viewerState.oldZoomLevel;this.viewerState.oldZoomLevel=this.settings.zoomLevel;const a=o(e,r);this.viewerState.options.goDirectlyTo=a.anchorPage,this.viewerState.verticalOffset=a.verticalOffset,this.viewerState.horizontalOffset=a.horizontalOffset,this.viewerState.renderer.transitionViewportPosition({duration:this.settings.zoomDuration,parameters:{zoomLevel:{from:r,to:e}},getPosition:e=>o(e.zoomLevel,r),onEnd:t=>{this.viewerState.viewportObject.addEventListener(\"scroll\",this.boundScrollFunction),t.interrupted&&(this.viewerState.oldZoomLevel=e)}});let l=document.getElementById(this.settings.selector+\"zoom-in-button\"),h=document.getElementById(this.settings.selector+\"zoom-out-button\");return l.disabled=!0,h.disabled=!0,setTimeout(()=>{l.disabled=!1,h.disabled=!1},this.settings.zoomDuration),this.publish(\"ZoomLevelDidChange\",e),!0}getYOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return\"center\"===t||\"centre\"===t?parseInt(this.getPageData(i,\"h\")/2,10):\"bottom\"===t?parseInt(this.getPageData(i,\"h\")-this.settings.panelHeight/2,10):parseInt(this.settings.panelHeight/2,10)}getXOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return\"left\"===t?parseInt(this.settings.panelWidth/2,10):\"right\"===t?parseInt(this.getPageData(i,\"w\")-this.settings.panelWidth/2,10):parseInt(this.getPageData(i,\"w\")/2,10)}updatePanelSize(){return this.viewerState.viewport.invalidate(),this.viewerState.renderer&&(this.updateOffsets(),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),!0}updateOffsets(){const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e&&(this.viewerState.horizontalOffset=e.x,this.viewerState.verticalOffset=e.y)}bindMouseEvents(){this.viewerState.viewportObject.classList.add(\"dragscroll\"),u.onDoubleClick(this.viewerState.viewportObject,(e,t)=>{ee(\"Double click at %s, %s\",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}onResize(){this.updatePanelSize(),clearTimeout(this.viewerState.resizeTimer),this.viewerState.resizeTimer=setTimeout(()=>{const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e?this.reloadViewer({goDirectlyTo:this.settings.activePageIndex,verticalOffset:e.y,horizontalOffset:e.x}):this.reloadViewer({goDirectlyTo:this.settings.activePageIndex})},200)}bindTouchEvents(){this.settings.blockMobileMove&&document.body.addEventListener(\"touchmove\",e=>{return e.originalEvent.preventDefault(),!1}),u.onPinch(this.viewerState.viewportObject,function(e,t,i,s){ee(\"Pinch %s at %s, %s\",s-i,t.left,t.top),this.viewerState.viewHandler.onPinch(e,t,i,s)}),u.onDoubleTap(this.viewerState.viewportObject,function(e,t){ee(\"Double tap at %s, %s\",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}scrollFunction(){const e=this.viewerState.viewport.top,t=this.viewerState.viewport.left;let i;this.viewerState.viewport.invalidate();const s=this.viewerState.viewport.top,n=this.viewerState.viewport.left;i=this.settings.verticallyOriented||this.settings.inGrid?s-e:n-t,this.viewerState.renderer.adjust();const o=this.settings.verticallyOriented||this.settings.inGrid?s:n;this.publish(\"ViewerDidScroll\",o),i>0?this.publish(\"ViewerDidScrollDown\",o):i<0&&this.publish(\"ViewerDidScrollUp\",o),this.updateOffsets()}handleEvents(){this.viewerState.innerObject.addEventListener(\"mousedown\",()=>{this.viewerState.innerObject.classList.add(\"diva-grabbing\")}),this.viewerState.innerObject.addEventListener(\"mouseup\",()=>{this.viewerState.innerObject.classList.remove(\"diva-grabbing\")}),this.bindMouseEvents(),this.viewerState.viewportObject.addEventListener(\"scroll\",this.boundScrollFunction);document.addEventListener(\"keydown.diva\",e=>{if(!this.viewerState.isActiveDiva)return!0;if(this.settings.enableSpaceScroll&&!e.shiftKey&&32===e.keyCode||this.settings.enableKeyScroll&&34===e.keyCode)return this.viewerState.viewport.top+=this.settings.panelHeight,!1;if(this.settings.enableSpaceScroll||32!==e.keyCode||e.preventDefault(),this.settings.enableKeyScroll){if(e.shiftKey||e.ctrlKey||e.metaKey)return!0;switch(e.keyCode){case 33:return this.viewerState.viewport.top-=this.settings.panelHeight,!1;case 38:return this.viewerState.viewport.top-=this.settings.arrowScrollAmount,!1;case 40:return this.viewerState.viewport.top+=this.settings.arrowScrollAmount,!1;case 37:return this.viewerState.viewport.left-=this.settings.arrowScrollAmount,!1;case 39:return this.viewerState.viewport.left+=this.settings.arrowScrollAmount,!1;case 36:return this.viewerState.viewport.top=0,!1;case 35:return this.settings.verticallyOriented?this.viewerState.viewport.top=1/0:this.viewerState.viewport.left=1/0,!1;default:return!0}}return!0}),c.Events.subscribe(\"ViewerDidTerminate\",function(){document.removeEventListener(\"keydown.diva\")},this.settings.ID),window.addEventListener(\"resize\",this.onResize.bind(this),!1),c.Events.subscribe(\"ViewerDidTerminate\",function(){window.removeEventListener(\"resize\",this.onResize,!1)},this.settings.ID),\"onorientationchange\"in window&&(window.addEventListener(\"orientationchange\",this.onResize,!1),c.Events.subscribe(\"ViewerDidTerminate\",function(){window.removeEventListener(\"orientationchange\",this.onResize,!1)},this.settings.ID)),c.Events.subscribe(\"PanelSizeDidChange\",this.updatePanelSize,this.settings.ID),c.Events.subscribe(\"ViewerDidTerminate\",()=>{this.viewerState.renderer&&this.viewerState.renderer.destroy(),clearTimeout(this.viewerState.resizeTimer)},this.settings.ID)}initPlugins(){if(!this.settings.hasOwnProperty(\"plugins\"))return null;this.viewerState.pluginInstances=this.settings.plugins.map(e=>{const t=new e(this);return t.isPageTool&&this.viewerState.pageTools.push(t),t})}showThrobber(){this.hideThrobber(),this.viewerState.throbberTimeoutID=setTimeout(()=>{let e=document.getElementById(this.settings.selector+\"throbber\");e&&(e.style.display=\"block\")},this.settings.throbberTimeout)}hideThrobber(){clearTimeout(this.viewerState.throbberTimeoutID);let e=document.getElementById(this.settings.selector+\"throbber\");e&&(e.style.display=\"none\")}showError(e){const t=s(\"div\",this.elemAttrs(\"error\"),[s(\"button\",this.elemAttrs(\"error-close\",{\"aria-label\":\"Close dialog\"})),s(\"p\",s(\"strong\",\"Error\")),s(\"div\",e)]);this.viewerState.outerObject.appendChild(t),document.querySelector(\"#\"+this.settings.selector+\"error-close\").addEventListener(\"click\",()=>{t.parentNode.removeChild(t)})}setManifest(e,t){if(this.viewerState.manifest=e,this.hideThrobber(),this.viewerState.numPages=this.settings.manifest.pages.length,this.optionsValidator.validate(this.viewerState.options),this.publish(\"NumberOfPagesDidChange\",this.settings.numPages),this.settings.adaptivePadding>0){const e=Math.floor((this.settings.minZoomLevel+this.settings.maxZoomLevel)/2);this.viewerState.horizontalPadding=parseInt(this.settings.manifest.getAverageWidth(e)*this.settings.adaptivePadding,10),this.viewerState.verticalPadding=parseInt(this.settings.manifest.getAverageHeight(e)*this.settings.adaptivePadding,10)}else this.viewerState.horizontalPadding=this.settings.fixedPadding,this.viewerState.verticalPadding=this.settings.fixedPadding;let i,n;this.viewerState.pageTools.length&&(this.viewerState.verticalPadding=Math.max(40,this.viewerState.verticalPadding)),this.settings.manifest.paged&&(this.viewerState.options.inBookLayout=!0),this.publish(\"ObjectDidLoad\",this.settings),this.updatePanelSize();let o=!1,r=!1;if(null==t.goDirectlyTo?(t.goDirectlyTo=this.settings.goDirectlyTo,i=n=!0):(i=null==t.horizontalOffset||isNaN(t.horizontalOffset),n=null==t.verticalOffset||isNaN(t.verticalOffset)),i&&(0===t.goDirectlyTo&&this.settings.inBookLayout&&this.settings.verticallyOriented?t.horizontalOffset=this.viewerState.horizontalPadding:(r=!0,t.horizontalOffset=this.getXOffset(t.goDirectlyTo,\"center\"))),n&&(o=!0,t.verticalOffset=this.getYOffset(t.goDirectlyTo,\"top\")),this.reloadViewer(t),this.updatePanelSize(),this.settings.enableAutoTitle){let e=document.getElementById(this.settings.selector+\"title\");e?e.innerHTML=this.settings.manifest.itemTitle:this.settings.parentObject.insertBefore(s(\"div\",this.elemAttrs(\"title\"),[this.settings.manifest.itemTitle]),this.settings.parentObject.firstChild)}this.settings.verticallyOriented?this.viewerState.innerElement.style.minWidth=this.settings.panelWidth+\"px\":this.viewerState.innerElement.style.minHeight=this.settings.panelHeight+\"px\",(o||r)&&(o&&(this.viewerState.verticalOffset=this.getYOffset(this.settings.activePageIndex,\"top\")),r&&(this.viewerState.horizontalOffset=this.getXOffset(this.settings.activePageIndex,\"center\")),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),this.viewerState.loaded=!0,this.publish(\"ViewerDidLoad\",this.settings)}publish(e){const t=Array.prototype.slice.call(arguments,1);c.Events.publish(e,t,this.publicInstance)}getSettings(){return this.settings}getInternalState(){return this.viewerState}getPublicInstance(){return this.publicInstance}getPageTools(){return this.viewerState.pageTools}getCurrentLayout(){return this.viewerState.renderer?this.viewerState.renderer.layout:null}getViewport(){const e=this.viewerState.viewport;return{top:e.top,left:e.left,bottom:e.bottom,right:e.right,width:e.width,height:e.height}}addPageOverlay(e){this.viewerState.pageOverlays.addOverlay(e)}removePageOverlay(e){this.viewerState.pageOverlays.removeOverlay(e)}getPageRegion(e,t){const i=this.viewerState.renderer.layout,s=i.getPageRegion(e,t);if(t&&t.incorporateViewport){const e=this.settings.verticallyOriented?\"width\":\"height\";if(this.viewerState.viewport[e]>i.dimensions[e]){const t=(this.viewerState.viewport[e]-i.dimensions[e])/2;return this.settings.verticallyOriented?{top:s.top,bottom:s.bottom,left:s.left+t,right:s.right+t}:{top:s.top+t,bottom:s.bottom+t,left:s.left,right:s.right}}}return s}getPagePositionAtViewportOffset(e){const t=e.left+this.viewerState.viewport.left,i=e.top+this.viewerState.viewport.top,s=this.viewerState.renderer.getRenderedPages(),n=s.length;for(let e=0;e<n;e++){const n=s[e],o=this.viewerState.renderer.layout.getPageRegion(n);if(o.left<=t&&o.right>=t&&o.top<=i&&o.bottom>=i)return{anchorPage:n,offset:{left:t-o.left,top:i-o.top}}}const o=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);return{anchorPage:this.settings.activePageIndex,offset:{left:t-o.left,top:i-o.top}}}setCurrentPages(e,t){(function(e,t){if(e.length!==t.length)return!1;for(let i=0,s=e.length;i<s;i++)if(e[i]!==t[i])return!1;return!0})(this.viewerState.currentPageIndices,t)||(this.viewerState.currentPageIndices=t,this.viewerState.activePageIndex=e,this.publish(\"VisiblePageDidChange\",t),this.viewerState.manifest.pages[e].otherImages.length>0&&this.publish(\"VisiblePageHasAlternateViews\",e))}getPageName(e){return this.viewerState.manifest.pages[e].f}reload(e){this.reloadViewer(e)}zoom(e,t){return this.handleZoom(e,t)}enableScrollable(){this.viewerState.isScrollable||(this.bindMouseEvents(),this.enableDragScrollable(),this.viewerState.options.enableKeyScroll=this.viewerState.initialKeyScroll,this.viewerState.options.enableSpaceScroll=this.viewerState.initialSpaceScroll,this.viewerState.viewportElement.style.overflow=\"auto\",this.viewerState.isScrollable=!0)}enableDragScrollable(){this.viewerState.viewportObject.hasAttribute(\"nochilddrag\")&&this.viewerState.viewportObject.removeAttribute(\"nochilddrag\")}disableScrollable(){this.viewerState.isScrollable&&(this.disableDragScrollable(),this.viewerState.outerObject.dblclick=null,this.viewerState.outerObject.contextmenu=null,this.viewerState.viewportElement.style.overflow=\"hidden\",this.viewerState.initialKeyScroll=this.settings.enableKeyScroll,this.viewerState.initialSpaceScroll=this.settings.enableSpaceScroll,this.viewerState.options.enableKeyScroll=!1,this.viewerState.options.enableSpaceScroll=!1,this.viewerState.isScrollable=!1)}disableDragScrollable(){this.viewerState.viewportObject.hasAttribute(\"nochilddrag\")||this.viewerState.viewportObject.setAttribute(\"nochilddrag\",\"\")}clear(){this.clearViewer()}setPendingManifestRequest(e){this.viewerState.pendingManifestRequest=e}destroy(){this.publish(\"ViewerWillTerminate\",this.settings),this.settings.pendingManifestRequest&&this.settings.pendingManifestRequest.abort(),document.body.removeClass(\"diva-hide-scrollbar\"),this.settings.parentObject.parent().empty().removeData(\"diva\"),this.settings.parentObject.parent().removeAttr(\"style\").removeAttr(\"class\"),this.publish(\"ViewerDidTerminate\",this.settings),c.Events.unsubscribeAll(this.settings.ID)}}const ne=(e,t)=>{const i=Math.max(e,t);return i<128?0:Math.ceil(Math.log((i+1)/257)/Math.log(2))},oe=(e,t)=>e/Math.pow(2,t),re=(e,t)=>e.map(e=>{const i=e.width,s=e.height,n=he(e),o=\"/\"!==n.url.slice(-1)?n.url+\"/\":n.url,r=new Array(t+1);for(let e=0;e<t+1;e++)r[e]={h:Math.floor(oe(s,t-e)),w:Math.floor(oe(i,t-e))};return{f:n.url,url:o,il:e.label||\"\",d:r}}),ae=e=>\"http://iiif.io/api/presentation/2/context.json\"===e?2:Array.isArray(e)&&e.includes(\"http://iiif.io/api/presentation/2/context.json\")?2:Array.isArray(e)&&e.includes(\"http://iiif.io/api/presentation/3/context.json\")?3:2;function le(e){let t=e[\"@context\"];if(!t)return console.error(\"Invalid IIIF Manifest; No @context found.\"),null;const i=ae(t),s=e.sequences?e.sequences[0]:null,n=s?s.canvases:e.items,o=n.length,r=new Array(n.length);let a,l,h,c,u,d,g,v,p,f,m,w,b,y,_,P,S,C=[],L=100,O=0,x=100;for(let e=0;e<o;e++){const t=n[e],i=t.width,s=t.height,o=ne(i,s),r=s/i;O=Math.max(r,O),x=Math.min(r,x),L=Math.min(L,o)}const E=new Array(L+1).fill(0),I=new Array(L+1).fill(0),T=new Array(L+1).fill(0),D=new Array(L+1).fill(0);for(let e=0;e<o;e++){if(w=(a=n[e])[\"@id\"]||a.id,b=a.label,C=[],\"oa:Choice\"===(l=a.images?a.images[0].resource:a.items[0].items[0].body)[\"@type\"]||\"Choice\"===l.type?(h=l.default||l.items[0],c=l.item||l.items.slice(1),C=re(c,L)):h=l,p=a.width||h.width,f=a.height||h.height,p<=0||f<=0){console.warn(\"Invalid width or height for canvas \"+b+\". Skipping\");continue}m=ne(p,f),y=h.label||null,d=\"/\"!==(g=he(h)).url.slice(-1)?g.url+\"/\":g.url,v=\"http://iiif.io/api/image/2/context.json\"===(u=h.service[\"@context\"]||h.service.type)||\"ImageService2\"===u?2:\"http://library.stanford.edu/iiif/image-api/1.1/context.json\"===u?1.1:1,_=new Array(L+1);for(let e=0;e<L+1;e++)P=Math.floor(oe(p,L-e)),S=Math.floor(oe(f,L-e)),_[e]={h:S,w:P},E[e]+=P,I[e]+=S,T[e]=Math.max(P,T[e]),D[e]=Math.max(S,D[e]);let t=\"non-paged\"!==a.viewingHint||!!a.behavior&&\"non-paged\"!==a.behavior[0],i=\"facing-pages\"===a.viewingHint||!!a.behavior&&\"facing-pages\"===a.behavior[0];r[e]={d:_,m:m,l:b,il:y,f:g.url,url:d,api:v,paged:t,facingPages:i,canvas:w,otherImages:C,xoffset:g.x||null,yoffset:g.y||null}}const M=new Array(L+1),z=new Array(L+1);for(let e=0;e<L+1;e++)M[e]=E[e]/o,z[e]=I[e]/o;const V={a_wid:M,a_hei:z,max_w:T,max_h:D,max_ratio:O,min_ratio:x,t_hei:I,t_wid:E};return{version:i,item_title:function(e){let t,i=e.label,s=\"object\"==typeof i?i[Object.keys(i)[0]][0]:i,n=e.value;return t=Array.isArray(n)?n.map(e=>e[Object.keys(e)[0]]):\"object\"==typeof n?n[Object.keys(n)[0]]:n,Array.isArray(t)&&(t=t.join(\", \")),{label:s,value:t}}(e).label,metadata:e.metadata||null,dims:V,max_zoom:L,pgs:r,paged:\"paged\"===e.viewingHint||!!e.behaviour&&\"paged\"===e.behaviour[0]||!!s&&\"paged\"===s.viewingHint}}function he(e){let t=e[\"@id\"]||e.id;const i=/#xywh=([0-9]+,[0-9]+,[0-9]+,[0-9]+)/;let s=\"\",n=!0;if(/\\/([0-9]+,[0-9]+,[0-9]+,[0-9]+)\\//.test(t)){const e=t.split(\"/\");s=e[e.length-4]}else if(i.test(t)){s=i.exec(t)[1]}else e.service&&(e.service[\"@id\"]||e.service.id)&&(t=e.service[\"@id\"]||e.service.id,n=!1);n&&(t=t.split(\"/\").slice(0,-4).join(\"/\"));const o={url:t};if(s.length){const e=s.split(\",\");o.x=parseInt(e[0],10),o.y=parseInt(e[1],10),o.w=parseInt(e[2],10),o.h=parseInt(e[3],10)}return o}class ce{getPageImageURL(e,t,i){let s;s=!i||null==i.width&&null==i.height?\"full\":(null==i.width?\"\":i.width)+\",\"+(null==i.height?\"\":i.height);const n=e.pages[t],o=n.api>1.1?\"default\":\"native\";return encodeURI(n.url+\"full/\"+s+\"/0/\"+o+\".jpg\")}getTileImageURL(e,t,i){const s=e.pages[t];let n,o;n=i.row===i.rowCount-1?s.d[i.zoomLevel].h-(i.rowCount-1)*i.tileDimensions.height:i.tileDimensions.height,o=i.col===i.colCount-1?s.d[i.zoomLevel].w-(i.colCount-1)*i.tileDimensions.width:i.tileDimensions.width;const r=Math.pow(2,e.maxZoom-i.zoomLevel);let a=i.col*i.tileDimensions.width*r,l=i.row*i.tileDimensions.height*r;s.hasOwnProperty(\"xoffset\")&&(a+=s.xoffset,l+=s.yoffset);const h=[a,l,o*r,n*r].join(\",\"),c=s.api>1.1?\"default\":\"native\";return encodeURI(s.url+h+\"/\"+o+\",\"+n+\"/0/\"+c+\".jpg\")}}class ue{constructor(e,t){this.pages=e.pgs,this.maxZoom=e.max_zoom,this.maxRatio=e.dims.max_ratio,this.minRatio=e.dims.min_ratio,this.itemTitle=e.item_title,this.metadata=e.metadata,this.paged=!!e.paged,this._maxWidths=e.dims.max_w,this._maxHeights=e.dims.max_h,this._averageWidths=e.dims.a_wid,this._averageHeights=e.dims.a_hei,this._totalHeights=e.dims.t_hei,this._totalWidths=e.dims.t_wid,this._urlAdapter=t}static fromIIIF(e){const t=le(e);return new ue(t,new ce)}isPageValid(e,t){return!(!t&&this.paged&&!this.pages[e].paged)&&(e>=0&&e<this.pages.length)}getMaxPageDimensions(e){const t=this.pages[e].d[this.maxZoom];return{height:t.h,width:t.w}}getPageDimensionsAtZoomLevel(e,t){const i=this.pages[e].d[this.maxZoom],s=function(e,t){return 1/Math.pow(2,e-t)}(this.maxZoom,t);return{height:i.h*s,width:i.w*s}}getPageImageURL(e,t){return this._urlAdapter.getPageImageURL(this,e,t)}getPageImageTiles(e,t,i){const s=this.pages[e];if(!isFinite(t)||t%1!=0)throw new TypeError(\"Zoom level must be an integer: \"+t);const n=Math.ceil(s.d[t].h/i.height),o=Math.ceil(s.d[t].w/i.width),r=[];let a,l,h;for(a=0;a<n;a++)for(l=0;l<o;l++)h=this._urlAdapter.getTileImageURL(this,e,{row:a,col:l,rowCount:n,colCount:o,zoomLevel:t,tileDimensions:i}),r.push({row:a,col:l,zoomLevel:t,dimensions:{height:i.height,width:i.width},offset:{top:a*i.height,left:l*i.width},url:h});return{zoomLevel:t,rows:n,cols:o,tiles:r}}}function de(e){return function(t){return this[e][t]}}ue.prototype.getMaxWidth=de(\"_maxWidths\"),ue.prototype.getMaxHeight=de(\"_maxHeights\"),ue.prototype.getAverageWidth=de(\"_averageWidths\"),ue.prototype.getAverageHeight=de(\"_averageHeights\"),ue.prototype.getTotalWidth=de(\"_totalWidths\"),ue.prototype.getTotalHeight=de(\"_totalHeights\");class ge{constructor(e){this.viewer=e,this.settings=e.settings}_elemAttrs(e,t){const i={id:this.settings.ID+e,class:\"diva-\"+e};return t?Object.assign(i,t):i}_subscribe(e,t){c.Events.subscribe(e,t,this.settings.ID)}createButton(e,t,i,n){const o=s(\"button\",{type:\"button\",id:this.settings.ID+e,class:\"diva-\"+e+\" diva-button\",title:t});return n&&o.appendChild(n),i&&o.addEventListener(\"click\",i),o}createLabel(e,t,i,n,o){return s(\"div\",{id:this.settings.ID+t,class:e+\" diva-label\"},[i,s(\"span\",{id:this.settings.ID+n},o)])}createZoomButtons(){let e=this._createZoomOutIcon(),t=this._createZoomInIcon(),i=[this.createButton(\"zoom-out-button\",\"Zoom Out\",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel-1)},e),this.createButton(\"zoom-in-button\",\"Zoom In\",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel+1)},t),this.createLabel(\"diva-zoom-label\",\"zoom-label\",\"Zoom level: \",\"zoom-level\",this.settings.zoomLevel+1)],n=function(){document.getElementById(this.settings.ID+\"zoom-level\").textContent=this.settings.zoomLevel+1};return this._subscribe(\"ZoomLevelDidChange\",n),this._subscribe(\"ViewerDidLoad\",n),s(\"div\",{id:this.settings.ID+\"zoom-controls\",style:\"display: none\"},i)}createGridControls(){let e=this._createGridMoreIcon(),t=this._createGridFewerIcon(),i=[this.createButton(\"grid-out-button\",\"Fewer\",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow-1)},t),this.createButton(\"grid-in-button\",\"More\",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow+1)},e),this.createLabel(\"diva-grid-label\",\"grid-label\",\"Pages per row: \",\"pages-per-row\",this.settings.pagesPerRow)];return this._subscribe(\"GridRowNumberDidChange\",function(){document.getElementById(this.settings.ID+\"pages-per-row\").textContent=this.settings.pagesPerRow}),s(\"div\",{id:this.settings.ID+\"grid-controls\",style:\"display:none\"},i)}createPageLabel(){const e=s(\"span\",{id:this.settings.ID+\"current-page\"}),t=()=>{let t=this.viewer.getCurrentPageIndices(),i=t[0],s=t[t.length-1],n=this.settings.manifest.pages[i].l,o=this.settings.manifest.pages[s].l;i!==s?this.settings.enableIndexAsLabel?e.textContent=i+\" - \"+s:e.textContent=n+\" - \"+o:this.settings.enableIndexAsLabel?e.textContent=i:e.textContent=n};return this._subscribe(\"VisiblePageDidChange\",t),this._subscribe(\"ViewerDidLoad\",t),this._subscribe(\"ViewDidSwitch\",t),s(\"span\",{class:\"diva-page-label diva-label\"},e)}createGotoPageForm(){const e=s(\"input\",{id:this.settings.ID+\"goto-page-input\",class:\"diva-input diva-goto-page-input\",autocomplete:\"off\",type:\"text\"}),t=s(\"input\",{id:this.settings.ID+\"goto-page-submit\",class:\"diva-button diva-button-text\",type:\"submit\",value:\"Go\"}),i=s(\"div\",{id:this.settings.ID+\"input-suggestions\",class:\"diva-input-suggestions\"}),n=s(\"form\",{id:this.settings.ID+\"goto-page\",class:\"diva-goto-form\"},e,t,i);return n.addEventListener(\"submit\",t=>{t.preventDefault();const s=e.value;if(this.settings.onGotoSubmit&&\"function\"==typeof this.settings.onGotoSubmit){const e=this.settings.onGotoSubmit(s);this.viewer.gotoPageByIndex(e)||window.alert(\"No page could be found with that label or page number\")}else this.viewer.gotoPageByLabel(s)||window.alert(\"No page could be found with that label or page number\");return i.style.display=\"none\",!1}),[\"input\",\"focus\"].forEach(t=>{e.addEventListener(t,()=>{i.innerHTML=\"\";const t=e.value;let n=0;if(this.settings.enableGotoSuggestions&&t){const e=this.settings.manifest.pages;for(let o=0,r=e.length;o<r&&n<10;o++)if(e[o].l.toLowerCase().indexOf(t.toLowerCase())>-1){const t=s(\"div\",{class:\"diva-input-suggestion\"},e[o].l);i.appendChild(t),n++}n>0&&(i.style.display=\"block\")}else i.style.display=\"none\"})}),e.addEventListener(\"keydown\",t=>{let i;if(13===t.keyCode){const t=document.getElementsByClassName(\"active\")[0];void 0!==t&&(e.value=t.innerText)}if(38===t.keyCode){const e=(i=document.getElementsByClassName(\"active\")[0])?i.previousSibling:void 0;if(void 0!==e)i.classList.remove(\"active\"),null!==e&&e.classList.add(\"active\");else{let e=document.getElementsByClassName(\"diva-input-suggestion\").length-1;document.getElementsByClassName(\"diva-input-suggestion\")[e].classList.add(\"active\")}}else if(40===t.keyCode){const e=(i=document.getElementsByClassName(\"active\")[0])?i.nextSibling:void 0;void 0!==e?(i.classList.remove(\"active\"),null!==e&&e.classList.add(\"active\")):document.getElementsByClassName(\"diva-input-suggestion\")[0].classList.add(\"active\")}}),function(e,t,i,s){e.addEventListener(t,function(e){for(var t=e.target;t&&t!==this;)t.matches(i)&&s.call(t,e),t=t.parentNode})}(i,\"mousedown\",\".diva-input-suggestion\",function(){e.value=this.textContent,i.style.display=\"none\";let t=new Event(\"submit\");n.dispatchEvent(t)}),e.addEventListener(\"blur\",()=>{i.style.display=\"none\"}),n}createViewMenu(){const e=s(\"div\",this._elemAttrs(\"view-options\")),t=this._createGridViewIcon(),i=this._createBookViewIcon(),n=this._createPageViewIcon(),o=this.createButton(\"view-icon\",\"Change view\",()=>{e.style.display=\"none\"===e.style.display?\"block\":\"none\"}),r=t=>{this.viewer.changeView(t),e.style.display=\"none\"},a=()=>{this.settings.inGrid?(o.appendChild(t),o.className=\"diva-grid-icon diva-view-icon diva-button\"):this.settings.inBookLayout?(o.appendChild(i),o.className=\"diva-book-icon diva-view-icon diva-button\"):(o.appendChild(n),o.className=\"diva-document-icon diva-view-icon diva-button\");const s=document.createDocumentFragment();for((this.settings.inGrid||this.settings.inBookLayout)&&s.appendChild(this.createButton(\"document-icon\",\"Document View\",r.bind(null,\"document\"),n)),!this.settings.inGrid&&this.settings.inBookLayout||s.appendChild(this.createButton(\"book-icon\",\"Book View\",r.bind(null,\"book\"),i)),this.settings.inGrid||s.appendChild(this.createButton(\"grid-icon\",\"Grid View\",r.bind(null,\"grid\"),t));e.firstChild;)e.removeChild(e.firstChild);e.appendChild(s)};return document.addEventListener(\"mouseup\",t=>{e!==t.target&&(e.style.display=\"none\")}),this._subscribe(\"ViewDidSwitch\",a),this._subscribe(\"ObjectDidLoad\",a),s(\"div\",this._elemAttrs(\"view-menu\"),o,e)}createFullscreenButton(){let e=this._createFullscreenIcon();return this.createButton(\"fullscreen-icon\",\"Toggle fullscreen mode\",()=>{this.viewer.toggleFullscreenMode()},e)}toggleZoomGridControls(){this.settings.inGrid?(document.getElementById(this.settings.ID+\"zoom-controls\").style.display=\"none\",document.getElementById(this.settings.ID+\"grid-controls\").style.display=\"block\"):(document.getElementById(this.settings.ID+\"zoom-controls\").style.display=\"block\",document.getElementById(this.settings.ID+\"grid-controls\").style.display=\"none\")}render(){this._subscribe(\"ViewDidSwitch\",this.toggleZoomGridControls),this._subscribe(\"ObjectDidLoad\",this.toggleZoomGridControls);let e=[this.createZoomButtons(),this.createGridControls()],t=[this.createPageLabel(),this.createViewMenu()];this.settings.enableFullscreen&&t.push(this.createFullscreenButton()),this.settings.enableGotoPage&&t.splice(1,0,this.createGotoPageForm());let i=this.viewer.viewerState.pluginInstances;for(let s=0,o=i.length;s<o;s++){let o=i[s];o.toolbarSide&&(o.toolbarIcon=o.createIcon(),o.toolbarIcon&&(\"right\"===o.toolbarSide?t.splice(2,0,o.toolbarIcon):\"left\"===o.toolbarSide&&e.splice(2,0,o.toolbarIcon),o.toolbarIcon.addEventListener(\"click\",n.bind(this,o))))}function n(e){e.handleClick(this.viewer)}const o=s(\"div\",this._elemAttrs(\"tools\"),s(\"div\",this._elemAttrs(\"tools-left\"),e),s(\"div\",this._elemAttrs(\"tools-right\"),t));this.settings.toolbarParentObject.insertBefore(o,this.settings.toolbarParentObject.firstChild)}_createToolbarIcon(e){let t=document.createElementNS(\"http://www.w3.org/2000/svg\",\"svg\");t.setAttributeNS(null,\"viewBox\",\"0 0 25 25\"),t.setAttributeNS(null,\"x\",\"0px\"),t.setAttributeNS(null,\"y\",\"0px\"),t.setAttributeNS(null,\"style\",\"enable-background:new 0 0 48 48;\");let i=document.createElementNS(\"http://www.w3.org/2000/svg\",\"g\");return i.setAttributeNS(null,\"transform\",\"matrix(1, 0, 0, 1, -12, -12)\"),e.forEach(e=>{let t=document.createElementNS(\"http://www.w3.org/2000/svg\",\"path\");t.setAttributeNS(null,\"d\",e),i.appendChild(t)}),t.appendChild(i),t}_createZoomOutIcon(){return this._createToolbarIcon([\"M19.5,23c-0.275,0-0.5-0.225-0.5-0.5v-1c0-0.275,0.225-0.5,0.5-0.5h7c0.275,0,0.5,0.225,0.5,0.5v1c0,0.275-0.225,0.5-0.5,0.5H19.5z\",\"M37.219,34.257l-2.213,2.212c-0.202,0.202-0.534,0.202-0.736,0l-6.098-6.099c-1.537,0.993-3.362,1.577-5.323,1.577c-5.431,0-9.849-4.418-9.849-9.849c0-5.431,4.418-9.849,9.849-9.849c5.431,0,9.849,4.418,9.849,9.849c0,1.961-0.584,3.786-1.576,5.323l6.098,6.098C37.422,33.722,37.422,34.054,37.219,34.257z M29.568,22.099c0-3.706-3.014-6.72-6.72-6.72c-3.706,0-6.72,3.014-6.72,6.72c0,3.706,3.014,6.72,6.72,6.72C26.555,28.818,29.568,25.805,29.568,22.099z\"])}_createZoomInIcon(){return this._createToolbarIcon([\"M37.469,34.257l-2.213,2.212c-0.202,0.202-0.534,0.202-0.736,0l-6.098-6.099c-1.537,0.993-3.362,1.577-5.323,1.577c-5.431,0-9.849-4.418-9.849-9.849c0-5.431,4.418-9.849,9.849-9.849c5.431,0,9.849,4.418,9.849,9.849c0,1.961-0.584,3.786-1.576,5.323l6.098,6.098C37.672,33.722,37.672,34.054,37.469,34.257z M29.818,22.099c0-3.706-3.014-6.72-6.72-6.72c-3.706,0-6.72,3.014-6.72,6.72c0,3.706,3.014,6.72,6.72,6.72C26.805,28.818,29.818,25.805,29.818,22.099z M26.5,21H24v-2.5c0-0.275-0.225-0.5-0.5-0.5h-1c-0.275,0-0.5,0.225-0.5,0.5V21h-2.5c-0.275,0-0.5,0.225-0.5,0.5v1c0,0.275,0.225,0.5,0.5,0.5H22v2.5c0,0.275,0.225,0.5,0.5,0.5h1c0.275,0,0.5-0.225,0.5-0.5V23h2.5c0.275,0,0.5-0.225,0.5-0.5v-1C27,21.225,26.775,21,26.5,21z\"])}_createGridMoreIcon(){return this._createToolbarIcon([\"M29.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z\"])}_createGridFewerIcon(){return this._createToolbarIcon([\"M25.5,35c-0.275,0-0.5-0.225-0.5-0.5v-9c0-0.275,0.225-0.5,0.5-0.5h9c0.275,0,0.5,0.225,0.5,0.5v9c0,0.275-0.225,0.5-0.5,0.5H25.5z M22.5,35c0.275,0,0.5-0.225,0.5-0.5v-9c0-0.275-0.225-0.5-0.5-0.5h-9c-0.275,0-0.5,0.225-0.5,0.5v9c0,0.275,0.225,0.5,0.5,0.5H22.5z M34.5,23c0.275,0,0.5-0.225,0.5-0.5v-9c0-0.275-0.225-0.5-0.5-0.5h-9c-0.275,0-0.5,0.225-0.5,0.5v9c0,0.275,0.225,0.5,0.5,0.5H34.5z M22.5,23c0.275,0,0.5-0.225,0.5-0.5v-9c0-0.275-0.225-0.5-0.5-0.5h-9c-0.275,0-0.5,0.225-0.5,0.5v9c0,0.275,0.225,0.5,0.5,0.5H22.5z\"])}_createGridViewIcon(){return this._createToolbarIcon([\"M29.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z\"])}_createBookViewIcon(){return this._createToolbarIcon([\"M35,16.8v-1.323c0,0-2.292-1.328-5.74-1.328c-3.448,0-5.26,1.25-5.26,1.25s-1.813-1.25-5.26-1.25c-3.448,0-5.74,1.328-5.74,1.328V16.8l-1,0.531v0.021v15.687c0,0,4.531-1.578,6.999-1.578c2.468,0,5.001,0.885,5.001,0.885s2.532-0.885,5-0.885c0.306,0,0.643,0.024,1,0.066v4.325l1.531-2.016L33,35.852v-3.72c2,0.43,3,0.906,3,0.906V17.352v-0.021L35,16.8z M23,29.03c-1-0.292-2.584-0.679-3.981-0.679c-2.246,0-3.019,0.404-4.019,0.699V16.634c0,0,1.125-0.699,4.019-0.699c1.694,0,2.981,0.417,3.981,1.126V29.03z M33,29.051c-1-0.295-1.773-0.699-4.02-0.699c-1.396,0-2.981,0.387-3.98,0.679V17.06c1-0.709,2.286-1.126,3.98-1.126c2.895,0,4.02,0.699,4.02,0.699V29.051z\"])}_createPageViewIcon(){return this._createToolbarIcon([\"M29.425,29h4.47L29,33.934v-4.47C29,29.19,29.151,29,29.425,29z M34,14.563V28h-5.569C28.157,28,28,28.196,28,28.47V34H14.497C14.223,34,14,33.71,14,33.437V14.563C14,14.29,14.223,14,14.497,14h18.9C33.672,14,34,14.29,34,14.563z M25.497,26.497C25.497,26.223,25.275,26,25,26h-7c-0.275,0-0.497,0.223-0.497,0.497v1.006C17.503,27.777,17.725,28,18,28h7c0.275,0,0.497-0.223,0.497-0.497V26.497z M30.497,22.497C30.497,22.223,30.275,22,30,22H18c-0.275,0-0.497,0.223-0.497,0.497v1.006C17.503,23.777,17.725,24,18,24h12c0.275,0,0.497-0.223,0.497-0.497V22.497z M30.497,18.497C30.497,18.223,30.275,18,30,18H18c-0.275,0-0.497,0.223-0.497,0.497v1.006C17.503,19.777,17.725,20,18,20h12c0.275,0,0.497-0.223,0.497-0.497V18.497z\"])}_createFullscreenIcon(){return this._createToolbarIcon([\"M35,12H13c-0.55,0-1,0.45-1,1v22c0,0.55,0.45,1,1,1h22c0.55,0,1-0.45,1-1V13C36,12.45,35.55,12,35,12z 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h(\"You must supply either a URL or a literal object to the `objectData` key.\");this.options=Object.assign({acceptHeader:\"application/json\",adaptivePadding:.05,arrowScrollAmount:40,blockMobileMove:!1,objectData:\"\",enableAutoTitle:!0,enableFilename:!0,enableFullscreen:!0,enableGotoPage:!0,enableGotoSuggestions:!0,enableGridIcon:!0,enableGridControls:\"buttons\",enableImageTitles:!0,enableIndexAsLabel:!1,enableKeyScroll:!0,enableLinkIcon:!0,enableNonPagedVisibilityIcon:!0,enableSpaceScroll:!1,enableToolbar:!0,enableZoomControls:\"buttons\",fillParentHeight:!0,fixedPadding:10,fixedHeightGrid:!0,goDirectlyTo:0,hashParamSuffix:null,inFullscreen:!1,inBookLayout:!1,inGrid:!1,maxPagesPerRow:8,maxZoomLevel:-1,minPagesPerRow:2,minZoomLevel:0,onGotoSubmit:null,pageAliases:{},pageAliasFunction:function(){return!1},pageLoadTimeout:200,pagesPerRow:5,showNonPagedPages:!1,throbberTimeout:100,tileHeight:256,tileWidth:256,toolbarParentObject:null,verticallyOriented:!0,viewportMargin:200,zoomLevel:2},t);const i=s(\"div\",{class:`diva-wrapper${this.options.fillParentHeight?\" diva-wrapper-flexbox\":\"\"}`});this.element.appendChild(i),this.options.toolbarParentObject=this.options.toolbarParentObject||i;const n=new se(i,this.options,this);this.viewerState=n.getInternalState(),this.settings=n.getSettings(),this.toolbar=this.settings.enableToolbar?new ge(this):null,i.id=this.settings.ID+\"wrapper\",this.divaState={viewerCore:n,toolbar:this.toolbar};let o=c.Events.subscribe(\"ObjectDidLoad\",()=>{null!==this.toolbar&&this.toolbar.render(),c.Events.unsubscribe(o)});this.hashState=this._getHashParamState(),this._loadOrFetchObjectData()}_loadOrFetchObjectData(){if(\"object\"==typeof this.settings.objectData)setTimeout(()=>{this._loadObjectData(this.settings.objectData,this.hashState)},0);else{let e={Accept:this.settings.acceptHeader};this.settings.addRequestHeaders&&Object.assign(e,this.settings.addRequestHeaders);const t=fetch(this.settings.objectData,{headers:e}).then(e=>{if(!e.ok){c.Events.publish(\"ManifestFetchError\",[e],this),this._ajaxError(e);let t=new Error(e.statusText);throw t.response=e,t}return e.json()}).then(e=>{this._loadObjectData(e,this.hashState)});this.divaState.viewerCore.setPendingManifestRequest(t)}}_showError(e){this.divaState.viewerCore.showError(e)}_ajaxError(e){const t=[\"Invalid objectData setting. Error code: \"+e.status+\" \"+e.statusText];if(0===this.settings.objectData.lastIndexOf(\"http\",0)){const e=this.settings.objectData.replace(/https?:\\/\\//i,\"\").split(/[/?#]/)[0];window.location.hostname!==e&&t.push(s(\"p\",\"Attempted to access cross-origin data without CORS.\"),s(\"p\",\"You may need to update your server configuration to support CORS. For help, see the \",s(\"a\",{href:\"https://github.com/DDMAL/diva.js/wiki/Installation#a-note-about-cross-site-requests\",target:\"_blank\"},\"cross-site request documentation.\")))}this._showError(t)}_loadObjectData(e,t){let i;if(!e.hasOwnProperty(\"@context\")&&(-1===e[\"@context\"].indexOf(\"iiif\")||-1===e[\"@context\"].indexOf(\"shared-canvas\")))throw new l(\"This does not appear to be a IIIF Manifest.\");c.Events.publish(\"ManifestDidLoad\",[e],this),i=ue.fromIIIF(e);const s=t?this._getLoadOptionsForState(t,i):{};this.divaState.viewerCore.setManifest(i,s)}_getHashParamState(){const e={};return[\"f\",\"v\",\"z\",\"n\",\"i\",\"p\",\"y\",\"x\"].forEach(t=>{const i=ve.get(t+this.settings.hashParamSuffix);!1!==i&&(e[t]=i)}),\"true\"===e.f?e.f=!0:\"false\"===e.f&&(e.f=!1),[\"z\",\"n\",\"p\",\"x\",\"y\"].forEach(t=>{t in e&&(e[t]=parseInt(e[t],10))}),e}_getLoadOptionsForState(e,t){t=t||this.settings.manifest;const i=\"v\"in e?this._getViewState(e.v):{};\"f\"in e&&(i.inFullscreen=e.f),\"z\"in e&&(i.zoomLevel=e.z),\"n\"in e&&(i.pagesPerRow=e.n);let s=this._getPageIndexForManifest(t,e.i);if(s>=0&&s<t.pages.length||(s=e.p-1)>=0&&s<t.pages.length||(s=null),null!==s){const t=parseInt(e.x,10),n=parseInt(e.y,10);i.goDirectlyTo=s,i.horizontalOffset=t,i.verticalOffset=n}return i}_getViewState(e){switch(e){case\"d\":return{inGrid:!1,inBookLayout:!1};case\"b\":return{inGrid:!1,inBookLayout:!0};case\"g\":return{inGrid:!0,inBookLayout:!1};default:return{}}}_getPageIndexForManifest(e,t){let i;const s=e.pages.length;for(i=0;i<s;i++)if(e.pages[i].f===t)return i;return-1}_getState(){let e;e=this.settings.inGrid?\"g\":this.settings.inBookLayout?\"b\":\"d\";const t=this.divaState.viewerCore.getCurrentLayout().getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);return{f:this.settings.inFullscreen,v:e,z:this.settings.zoomLevel,n:this.settings.pagesPerRow,i:!!this.settings.enableFilename&&this.settings.manifest.pages[this.settings.activePageIndex].f,p:!this.settings.enableFilename&&this.settings.activePageIndex+1,y:!!t&&t.y,x:!!t&&t.x}}_getURLHash(){const e=this._getState(),t=[];let i;for(i in e)!1!==e[i]&&t.push(i+this.settings.hashParamSuffix+\"=\"+encodeURIComponent(e[i]));return t.join(\"&\")}_getPageIndex(e){return this._getPageIndexForManifest(this.settings.manifest,e)}_checkLoaded(){return!!this.viewerState.loaded||(console.warn(\"The viewer is not completely initialized. This is likely because it is still downloading data. To fix this, only call this function if the isReady() method returns true.\"),!1)}_toggleFullscreen(){let e;this._reloadViewer({inFullscreen:!this.settings.inFullscreen});let t=!1,i=document.getElementById(this.settings.selector+\"tools\");const s=2e3;function n(){i.style.opacity=1,clearTimeout(e),!t&&this.settings.inFullscreen&&(e=setTimeout(function(){i.style.opacity=0},s))}this.settings.inFullscreen?(i.classList.add(\"diva-fullscreen-tools\"),document.addEventListener(\"mousemove\",n.bind(this)),document.getElementsByClassName(\"diva-viewport\")[0].addEventListener(\"scroll\",n.bind(this)),i.addEventListener(\"mouseenter\",function(){t=!0}),i.addEventListener(\"mouseleave\",function(){t=!1})):i.classList.remove(\"diva-fullscreen-tools\")}_togglePageLayoutOrientation(){const e=!this.settings.verticallyOriented;return this._reloadViewer({inGrid:!1,verticallyOriented:e,goDirectlyTo:this.settings.activePageIndex,verticalOffset:this.divaState.viewerCore.getYOffset(),horizontalOffset:this.divaState.viewerCore.getXOffset()}),e}_changeView(e){switch(e){case\"document\":return this._reloadViewer({inGrid:!1,inBookLayout:!1});case\"book\":return this._reloadViewer({inGrid:!1,inBookLayout:!0});case\"grid\":return this._reloadViewer({inGrid:!0});default:return!1}}_gotoPageByIndex(e,t,i){let s=parseInt(e,10);if(this._isPageIndexValid(s)){const e=this.divaState.viewerCore.getXOffset(s,t),n=this.divaState.viewerCore.getYOffset(s,i);return this.viewerState.renderer.goto(s,n,e),!0}return!1}_isPageIndexValid(e){return this.settings.manifest.isPageValid(e,this.settings.showNonPagedPages)}_getPageIndexForPageXYValues(e,t){const i=this.viewerState.outerElement.getBoundingClientRect(),s=i.top,n=i.left,o=i.bottom,r=i.right;if(e<n||e>r)return-1;if(t<s||t>o)return-1;const a=document.getElementsByClassName(\"diva-page\");let l=a.length;for(;l--;){const i=a[l],s=i.getBoundingClientRect();if(!(e<s.left||e>s.right)&&!(t<s.top||t>s.bottom))return i.getAttribute(\"data-index\")}return-1}_reloadViewer(e){return this.divaState.viewerCore.reload(e)}_getCurrentURL(){return location.protocol+\"//\"+location.host+location.pathname+location.search+\"#\"+this._getURLHash()}activate(){this.viewerState.isActiveDiva=!0}changeObject(e){this.viewerState.loaded=!1,this.divaState.viewerCore.clear(),this.viewerState.renderer&&this.viewerState.renderer.destroy(),this.viewerState.options.objectData=e,this._loadOrFetchObjectData()}changeView(e){this._changeView(e)}deactivate(){this.viewerState.isActiveDiva=!1}destroy(){this.divaState.viewerCore.destroy()}disableScrollable(){this.divaState.viewerCore.disableScrollable()}enableScrollable(){this.divaState.viewerCore.enableScrollable()}disableDragScrollable(){this.divaState.viewerCore.disableDragScrollable()}enableDragScrollable(){this.divaState.viewerCore.enableDragScrollable()}enterFullscreenMode(){return!this.settings.inFullscreen&&(this._toggleFullscreen(),!0)}enterGridView(){return!this.settings.inGrid&&(this._changeView(\"grid\"),!0)}getAllPageURIs(){return this.settings.manifest.pages.map(e=>e.f)}getCurrentCanvas(){return this.settings.manifest.pages[this.settings.activePageIndex].canvas}getCurrentPageDimensionsAtCurrentZoomLevel(){return this.getPageDimensionsAtCurrentZoomLevel(this.settings.activePageIndex)}getCurrentPageFilename(){return console.warn(\"This method will be deprecated in the next version of Diva. Please use getCurrentPageURI instead.\"),this.settings.manifest.pages[this.settings.activePageIndex].f}getCurrentPageIndices(){return this.settings.currentPageIndices}getActivePageIndex(){return this.settings.activePageIndex}getCurrentPageOffset(){return this.getPageOffset(this.settings.activePageIndex)}getCurrentPageURI(){return this.settings.manifest.pages[this.settings.activePageIndex].f}getCurrentURL(){return this._getCurrentURL()}getFilenames(){return console.warn(\"This will be removed in the next version of Diva. 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For help, see the <a href="https://github.com/DDMAL/diva.js/wiki/The-API-and-Plugins#a-note-about-canvas-and-cross-site-data" target="_blank">canvas cross-site data documentation</a>.</p></div></div>'; -b("#diva-canvas-backdrop").append(m);B()}void 0===h&&(m=a,f.canvas=document.getElementById("diva-canvas-minimap"),f.size=d.mapSize,f.canvas.width=f.size,f.canvas.height=f.size,f.context=f.canvas.getContext("2d"),f.context.fillRect(0,0,f.size,f.size),f.scaleFactor=d.mapSize/e.size,f.cornerX=e.cornerX*f.scaleFactor,f.cornerY=e.cornerY*f.scaleFactor,f.width=m.width*f.scaleFactor,f.height=m.height*f.scaleFactor,f.context.drawImage(m,f.cornerX,f.cornerY,f.width,f.height),f.data=f.context.getImageData(0, -0,d.mapSize,d.mapSize),b("#diva-map-viewbox").show(),k());u();p(e);B();"function"===typeof h&&h.call(h)}},L=function(){var a=g[h],d=a.current,a=a.transform?a.transform(d):d;b("#diva-canvas-value").html(a)},y=function(){b("#diva-canvas-slider").val(g[h].current)},v=function(a){a=d.zoomWidthRatio*Math.pow(2,a);return d.proxyURL?d.proxyURL+"?f="+d.filename+"&w="+a:d.iipServerURL+"?FIF="+(d.imageDir+"/")+d.filename+"&WID="+a+"&CVT=JPEG"},A=function(){(0<g.zoom.current||d.mobileWebkit)&&b(d.selector+"throbber").addClass("canvas-throbber").show()}, -B=function(){b(d.selector+"throbber").removeClass("canvas-throbber").hide()},I=function(){var a={},b=!1,e=d.localStoragePrefix+d.filename,f;for(f in g)g[f].previous!==g[f].initial&&(a[f]=g[f].previous,b=!0);b?(d.pluginIcon.addClass("new"),localStorage.setObject(e,a)):(d.pluginIcon.removeClass("new"),localStorage.removeItem(e))},G=function(a,b){d.zoomLevel=a;var g=v(a);T(g,function(){f.scaleFactor=f.size/e.size;k();I()})},M=function(a){switch(a.keyCode){case 38:return b("#diva-canvas-wrapper").scrollTop(document.getElementById("diva-canvas-wrapper").scrollTop- -d.arrowScrollAmount),!1;case 40:return b("#diva-canvas-wrapper").scrollTop(document.getElementById("diva-canvas-wrapper").scrollTop+d.arrowScrollAmount),!1;case 37:return b("#diva-canvas-wrapper").scrollLeft(document.getElementById("diva-canvas-wrapper").scrollLeft-d.arrowScrollAmount),!1;case 39:return b("#diva-canvas-wrapper").scrollLeft(document.getElementById("diva-canvas-wrapper").scrollLeft+d.arrowScrollAmount),!1}};return{init:function(a,n){if(!window.HTMLCanvasElement)return!1;b.extend(d, -l,a.canvasPlugin);d.inCanvas=!1;d.iipServerURL=a.iipServerURL;d.imageDir=a.imageDir;d.selector=a.selector;d.mobileWebkit=a.mobileWebkit;d.arrowScrollAmount=a.arrowScrollAmount;g={contrast:{initial:1,min:d.contrastMin,max:d.contrastMax,step:d.contrastStep,transform:function(a){return a.toFixed(2)},title:"Change the contrast"},brightness:{initial:0,min:d.brightnessMin,max:d.brightnessMax,step:d.brightnessStep,title:"Adjust the brightness"},rotation:{initial:0,min:0,max:359,step:1,transform:function(a){return a+ -"°"},title:"Rotate the image"},zoom:{initial:0,min:0,max:0,step:1,title:"Adjust the zoom level"},red:{initial:0,min:d.rgbMin,max:d.rgbMax,step:1,title:"Adjust the red channel"},green:{initial:0,min:d.rgbMin,max:d.rgbMax,step:1,title:"Adjust the green channel"},blue:{initial:0,min:d.rgbMin,max:d.rgbMax,step:1,title:"Adjust the blue channel"}};var r=function(){var a,b,d;for(d in g)b=g[d],a=b.initial,b.current=a,b.previous=a};r();if(b("#diva-canvas-backdrop").length)return!0;var q=[],v,K,O;for(O in d.buttons)v= -d.buttons[O],K=g[v].title,v='<div class="'+v+'" title="'+K+'"></div>',q.push(v);q='<div id="diva-canvas-backdrop">'+('<div id="diva-canvas-tools"><div id="diva-canvas-toolbar"><div id="diva-canvas-close" title="Return to the document viewer"></div><div id="diva-canvas-minimise" title="Minimise the toolbar"></div><span id="diva-canvas-info">Test</span></div><div id="diva-canvas-toolwindow"><div id="diva-map-viewbox"></div><canvas id="diva-canvas-minimap"></canvas><div id="diva-canvas-buttons">'+q.join("")+ -'</div><div id="diva-canvas-pane"><p id="diva-canvas-tooltip"><span id="diva-canvas-mode">contrast</span>: <span id="diva-canvas-value">0</span> <span id="diva-canvas-reset" class="link">(Reset)</span></p><input type="range" id="diva-canvas-slider"></input></div><br /><div class="action-buttons"><a href="#" id="diva-canvas-reset-all">Reset all</a><a href="#" id="diva-canvas-apply">Apply</a></div></div></div>')+'<div id="diva-canvas-wrapper"><canvas id="diva-canvas"></canvas></div></div>';b("body").append(q); 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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/webapp/imageServer/resources/js/vendor/diva-old.js Fri Jul 05 16:05:57 2019 +0200 @@ -0,0 +1,2592 @@ +window.divaPlugins = []; + +// this pattern was taken from http://www.virgentech.com/blog/2009/10/building-object-oriented-jquery-plugin.html +(function ($) +{ + var Diva = function (element, options) + { + // These are elements that can be overridden upon instantiation + // See https://github.com/DDMAL/diva.js/wiki/Code-documentation for more details + var defaults = { + adaptivePadding: 0.05, // The ratio of padding to the page dimension + blockMobileMove: true, // Prevent moving or scrolling the page on mobile devices + contained: false, // Determines the location of the fullscreen icon + objectData: '', // URL to the JSON file that provides the object dimension data - *MANDATORY* + enableAutoHeight: false, // Automatically adjust height based on the window size + enableAutoTitle: true, // Shows the title within a div of id diva-title + enableAutoWidth: true, // Automatically adjust width based on the window size + enableCanvas: true, // Used for the canvas plugin + enableDownload: true, // Used for the download plugin + enableFilename: true, // Uses filenames and not page numbers for links (i=bm_001.tif, not p=1) + enableFullscreen: true, // Enable or disable fullscreen icon (mode still available) + enableGotoPage: true, // A "go to page" jump box + enableGridIcon: true, // A grid view of all the pages + enableGridSlider: true, // Slider to control the pages per grid row + enableKeyScroll: true, // Scrolling using the page up/down keys + enableLinkIcon: true, // Controls the visibility of the link icon + enableSpaceScroll: false, // Scrolling down by pressing the space key + enableToolbar: true, // Enables the toolbar. Note that disabling this means you have to handle all controls yourself. + enableZoomSlider: true, // Enable or disable the zoom slider (for zooming in and out) + fixedPadding: 10, // Fallback if adaptive padding is set to 0 + fixedHeightGrid: true, // So each page in grid view has the same height (only widths differ) + goDirectlyTo: 0, // Default initial page to show (0-indexed) + iipServerURL: '', // The URL to the IIPImage installation, including the `?FIF=` - *MANDATORY* + inFullscreen: false, // Set to true to load fullscreen mode initially + inGrid: false, // Set to true to load grid view initially + imageDir: '', // Image directory, either absolute path or relative to IIP's FILESYSTEM_PREFIX - *MANDATORY* + maxPagesPerRow: 8, // Maximum number of pages per row, grid view + maxZoomLevel: -1, // Optional; defaults to the max zoom returned in the JSON response + minPagesPerRow: 2, // 2 for the spread view. Recommended to leave it + minZoomLevel: 0, // Defaults to 0 (the minimum zoom) + onDocumentLoaded: null, // Callback function for when the document is fully loaded + onModeToggle: null, // Callback for toggling fullscreen mode + onViewToggle: null, // Callback for switching between grid and document view + onJump: null, // Callback function for jumping to a specific page (using the gotoPage feature) + onPageLoad: null, // Callback function for loading pages + onPageLoaded: null, // Callback function for after the page has been loaded + onReady: null, // Callback function for initial load + onScroll: null, // Callback function for scrolling + onScrollDown: null, // Callback function for scrolling down, only + onScrollUp: null, // Callback function for scrolling up only + onSetCurrentPage: null, // Callback function for when the current page is set + onZoom: null, // Callback function for zooming in general + onZoomIn: null, // Callback function for zooming in only + onZoomOut: null, // Callback function for zooming out only + pageLoadTimeout: 200, // Number of milliseconds to wait before loading pages + pagesPerRow: 5, // The default number of pages per row in grid view + rowLoadTimeout: 50, // Number of milliseconds to wait before loading a row + throbberTimeout: 100, // Number of milliseconds to wait before showing throbber + tileHeight: 256, // The height of each tile, in pixels; usually 256 + tileWidth: 256, // The width of each tile, in pixels; usually 256 + toolbarParentSelector: null, // The toolbar parent selector. If null, it defaults to the primary diva element. Must be a jQuery selector (leading '#') + viewerHeightPadding: 15, // Vertical padding when resizing the viewer, if enableAutoHeight is set + viewerWidthPadding: 30, // Horizontal padding when resizing the viewer, if enableAutoHeight is set + viewportMargin: 200, // Pretend tiles +/- 200px away from viewport are in + zoomLevel: 2 // The initial zoom level (used to store the current zoom level) + }; + + // Apply the defaults, or override them with passed-in options. + var settings = $.extend({}, defaults, options); + + // Things that cannot be changed because of the way they are used by the script + // Many of these are declared with arbitrary values that are changed later on + var globals = { + allTilesLoaded: [], // A boolean for each page, indicating if all tiles have been loaded + averageHeights: [], // The average page height for each zoom level + averageWidths: [], // The average page width for each zoom level + currentPageIndex: 0, // The current page in the viewport (center-most page) + dimAfterZoom: 0, // Used for storing the item dimensions after zooming + firstPageLoaded: -1, // The ID of the first page loaded (value set later) + firstRowLoaded: -1, // The index of the first row loaded + gridPageWidth: 0, // Holds the max width of each row in grid view. Calculated in loadGrid() + hashParamSuffix: '', // Used when there are multiple document viewers on a page + heightAbovePages: [], // The height above each page at the current zoom level + horizontalOffset: 0, // Used in documentScroll for scrolling more precisely + horizontalPadding: 0, // Either the fixed padding or adaptive padding + ID: null, // The prefix of the IDs of the elements (usually 1-diva-) + innerSelector: '', // settings.selector + 'inner', for selecting the .diva-inner element + itemTitle: '', // The title of the document + lastPageLoaded: -1, // The ID of the last page loaded (value set later) + lastRowLoaded: -1, // The index of the last row loaded + leftScrollSoFar: 0, // Current scroll from the left edge of the pane + loaded: false, // A flag for when everything is loaded and ready to go. + maxWidths: [], // The width of the widest page for each zoom level + maxRatio: 0, // The max height/width ratio (for grid view) + minHeight: 0, // Minimum height of the .diva-outer element, as defined in the CSS + minRatio: 0, // The minimum height/width ratio for a page + minWidth: 0, // Minimum width of the .diva-outer element, as defined in the CSS + mobileWebkit: false, // Checks if the user is on a touch device (iPad/iPod/iPhone/Android) + numPages: 0, // Number of pages in the array + numRows: 0, // Number of rows + oldPagesPerRow: 0, // Holds the previous number of pages per row after it is changed + oldZoomLevel: -1, // Holds the previous zoom level after zooming in or out + orientationChange: false, // For handling device orientation changes for touch devices + originalHeight: 0, // Stores the original height of the .diva-outer element + originalWidth: 0, // Stores the original width of the .diva-outer element + outerSelector: '', // settings.selector + 'outer', for selecting the .diva-outer element + pages: [], // An array containing the data for all the pages + pageLeftOffsets: [], // Offset from the left side of the pane to the edge of the page + pageTimeouts: [], // Stack to hold the loadPage timeouts + pageTools: '', // The string for page tools + panelHeight: 0, // Height of the document viewer pane + panelWidth: 0, // Width of the document viewer pane + plugins: [], // Filled with the enabled plugins from window.divaPlugins + previousTopScroll: 0, // Used to determine vertical scroll direction + preZoomOffset: null, // Holds the offset prior to zooming when double-clicking + realMaxZoom: -1, // To hold the true max zoom level of the document (needed for calculations) + resizeTimer: -1, // Holds the ID of the timeout used when resizing the window (for clearing) + rowHeight: 0, // Holds the max height of each row in grid view. Calculated in loadGrid() + scaleWait: false, // For preventing double-zoom on touch devices (iPad, etc) + selector: '', // Uses the generated ID prefix to easily select elements + singleClick: false, // Used for catching ctrl+double-click events in Firefox in Mac OS + scrollbarWidth: 0, // Set to the actual scrollbar width in init() + throbberTimeoutID: -1, // Holds the ID of the throbber loading timeout + toolbar: null, // Holds an object with some toolbar-related functions + topScrollSoFar: 0, // Holds the number of pixels of vertical scroll + totalHeights: [], // The total height of all pages (stacked together) for each zoom level + totalHeight: 0, // The total height for the current zoom level (including padding) + verticalOffset: 0, // See horizontalOffset + verticalPadding: 0, // Either the fixed padding or adaptive padding + viewerXOffset: 0, // Distance between left edge of viewer and document left edge + viewerYOffset: 0 // Like viewerXOffset but for the top edges + }; + + $.extend(settings, globals); + + // Executes a callback function with the diva instance set as the context + // Can take an unlimited number to arguments to pass to the callback function + var self = this; + + var executeCallback = function (callback) + { + var args, i, length; + + if (typeof callback === "function") + { + args = []; + for (i = 1, length = arguments.length; i < length; i++) + { + args.push(arguments[i]); + } + + callback.apply(self, args); + + return true; + } + + return false; + }; + + var getPageData = function (pageIndex, attribute) + { + return settings.pages[pageIndex].d[settings.zoomLevel][attribute]; + }; + + // Returns the page index associated with the given filename; must called after settings settings.pages + var getPageIndex = function (filename) + { + var i, + np = settings.numPages; + + for (i = 0; i < np; i++) + { + if (settings.pages[i].f === filename) + { + return i; + } + } + + return -1; + }; + + // Checks if a tile is within the viewport horizontally + var isHorizontallyInViewport = function (left, right) + { + var panelWidth = settings.panelWidth; + var leftOfViewport = settings.leftScrollSoFar - settings.viewportMargin; + var rightOfViewport = leftOfViewport + panelWidth + settings.viewportMargin * 2; + + var leftVisible = left >= leftOfViewport && left <= rightOfViewport; + var rightVisible = right >= leftOfViewport && right <= rightOfViewport; + var middleVisible = left <= leftOfViewport && right >= rightOfViewport; + + return (leftVisible || middleVisible || rightVisible); + }; + + // Checks if a page or tile is within the viewport vertically + var isVerticallyInViewport = function (top, bottom) + { + var panelHeight = settings.panelHeight; + var topOfViewport = settings.topScrollSoFar - settings.viewportMargin; + var bottomOfViewport = topOfViewport + panelHeight + settings.viewportMargin * 2; + + var topVisible = top >= topOfViewport && top <= bottomOfViewport; + var middleVisible = top <= topOfViewport && bottom >= bottomOfViewport; + var bottomVisible = bottom >= topOfViewport && bottom <= bottomOfViewport; + + return (topVisible || middleVisible || bottomVisible); + }; + + // Check if a tile is near the viewport and thus should be loaded + var isTileVisible = function (pageIndex, tileRow, tileCol) + { + var tileTop = settings.heightAbovePages[pageIndex] + (tileRow * settings.tileHeight) + settings.verticalPadding; + var tileBottom = tileTop + settings.tileHeight; + var tileLeft = settings.pageLeftOffsets[pageIndex] + (tileCol * settings.tileWidth); + var tileRight = tileLeft + settings.tileWidth; + + return isVerticallyInViewport(tileTop, tileBottom) && isHorizontallyInViewport(tileLeft, tileRight); + }; + + // Check if a tile has been appended to the DOM + var isTileLoaded = function (pageIndex, tileIndex) + { + return document.getElementById(settings.ID + 'tile-' + pageIndex + '-' + tileIndex) === false; + }; + + // Check if a page index is valid + var isPageValid = function (pageIndex) + { + return pageIndex >= 0 && pageIndex < settings.numPages; + }; + + // Check if a page is in or near the viewport and thus should be loaded + var isPageVisible = function (pageIndex) + { + var topOfPage = settings.heightAbovePages[pageIndex]; + var bottomOfPage = topOfPage + getPageData(pageIndex, 'h') + settings.verticalPadding; + + return isVerticallyInViewport(topOfPage, bottomOfPage); + }; + + // Check if a page has been appended to the DOM + var isPageLoaded = function (pageIndex) + { + return $(document.getElementById(settings.ID + 'page-' + pageIndex)).length > 0; + }; + + // Appends the page directly into the document body, or loads the relevant tiles + var loadPage = function (pageIndex) + { + // If the page and all of its tiles have been loaded, exit + if (isPageLoaded(pageIndex) && settings.allTilesLoaded[pageIndex]) + { + return; + } + + // Load some data for this page + var filename = settings.pages[pageIndex].f; + var width = getPageData(pageIndex, 'w'); + var height = getPageData(pageIndex, 'h'); + var heightFromTop = settings.heightAbovePages[pageIndex] + settings.verticalPadding; + var pageSelector = settings.selector + 'page-' + pageIndex; + var plugin; + + // If the page has not been loaded yet, append the div to the DOM + if (!isPageLoaded(pageIndex)) + { + $(document.getElementById(settings.ID + "inner")).append('<div id="' + settings.ID + 'page-' + pageIndex + '" style="top: ' + heightFromTop + 'px; width: ' + width + 'px; height: ' + height + 'px;" class="diva-document-page" title="Page ' + (pageIndex + 1) + '" data-index="' + pageIndex + '" data-filename="' + filename + '">' + settings.pageTools + '</div>'); + + // Call the callback function + executeCallback(settings.onPageLoad, pageIndex, filename, pageSelector); + Events.publish("PageHasLoaded", [pageIndex, filename, pageSelector]); + + // @TODO: Replace this with a notification. + // Execute the callback functions for any of the enabled plugins + for (plugin in settings.plugins) { + executeCallback(settings.plugins[plugin].onPageLoad, pageIndex, filename, pageSelector); + } + } + + // There are still tiles to load, so try to load those (after a delay) + settings.pageTimeouts.push(setTimeout(function () + { + // If the page is no longer in the viewport, don't load any tiles + if (!isPageVisible(pageIndex)) + { + return; + } + + var imdir = settings.imageDir + "/"; + // Load some more data and initialise some variables + var rows = getPageData(pageIndex, 'r'); + var cols = getPageData(pageIndex, 'c'); + var maxZoom = settings.pages[pageIndex].m; + var baseURL = settings.iipServerURL + "?FIF=" + imdir + filename + '&JTL='; + var content = []; + var allTilesLoaded = true; + var tileIndex = 0; + var i; + + // Calculate the width and height of outer tiles (non-standard dimensions) + var lastHeight = height - (rows - 1) * settings.tileHeight; + var lastWidth = width - (cols - 1) * settings.tileWidth; + + // Declare variables used within the loops + var row, col, tileHeight, tileWidth, top, left, displayStyle, zoomLevel, imageURL; + + // Adjust the zoom level based on the max zoom level of the page + zoomLevel = settings.zoomLevel + maxZoom - settings.realMaxZoom; + baseImageURL = baseURL + zoomLevel + ','; + + // Loop through all the tiles in this page + row = 0; + while (row < rows) + { + col = 0; + while (col < cols) + { + top = row * settings.tileHeight; + left = col * settings.tileWidth; + + // If the tile is in the last row or column, its dimensions will be different + tileHeight = (row === rows - 1) ? lastHeight : settings.tileHeight; + tileWidth = (col === cols - 1) ? lastWidth : settings.tileWidth; + + imageURL = baseImageURL + tileIndex; + + // this check looks to see if the tile is already loaded, and then if + // it isn't, if it should be visible. + if (!isTileLoaded(pageIndex, tileIndex)) { + if (isTileVisible(pageIndex, row, col)) { + content.push('<div id="' + settings.ID + 'tile-' + pageIndex + '-' + tileIndex + '" style="display:inline; position: absolute; top: ' + top + 'px; left: ' + left + 'px; background-image: url(\'' + imageURL + '\'); height: ' + tileHeight + 'px; width: ' + tileWidth + 'px;"></div>'); + } else { + // The tile does not need to be loaded - not all have been loaded + allTilesLoaded = false; + } + } + tileIndex++; + col++; + } + row++; + } + + settings.allTilesLoaded[pageIndex] = allTilesLoaded; + $(document.getElementById(settings.ID + 'page-' + pageIndex)).append(content.join('')); + + executeCallback(settings.onPageLoaded, pageIndex, filename, pageSelector); + + }, settings.pageLoadTimeout)); + }; + + // Delete a page from the DOM; will occur when a page is scrolled out of the viewport + var deletePage = function (pageIndex) + { + $(document.getElementById(settings.ID + 'page-' + pageIndex)).empty().remove(); + }; + + // Check if the bottom of a page is above the top of a viewport (scrolling down) + // For when you want to keep looping but don't want to load a specific page + var pageAboveViewport = function (pageIndex) + { + var bottomOfPage = settings.heightAbovePages[pageIndex] + getPageData(pageIndex, 'h') + settings.verticalPadding; + var topOfViewport = settings.topScrollSoFar; + + return bottomOfPage < topOfViewport; + }; + + // Check if the top of a page is below the bottom of a viewport (scrolling up) + var pageBelowViewport = function (pageIndex) + { + var topOfPage = settings.heightAbovePages[pageIndex]; + var bottomOfViewport = settings.topScrollSoFar + settings.panelHeight; + + return topOfPage > bottomOfViewport; + }; + + // Called by adjust pages - determine what pages should be visible, and show them + var attemptPageShow = function (pageIndex, direction) + { + if (direction > 0) + { + // Direction is positive - we're scrolling down + if (isPageValid(pageIndex)) + { + // If the page should be visible, then yes, add it + if (isPageVisible(pageIndex)) + { + loadPage(pageIndex); + + settings.lastPageLoaded = pageIndex; + + // Recursively call this function until there's nothing to add + attemptPageShow(settings.lastPageLoaded + 1, direction); + } + else if (pageAboveViewport(pageIndex)) + { + // If the page is below the viewport. try to load the next one + attemptPageShow(pageIndex + 1, direction); + } + } + } + else + { + // Direction is negative - we're scrolling up + if (isPageValid(pageIndex)) + { + // If it's near the viewport, yes, add it + if (isPageVisible(pageIndex)) + { + loadPage(pageIndex); + + // Reset the first page loaded to this one + settings.firstPageLoaded = pageIndex; + + // Recursively call this function until there's nothing to add + attemptPageShow(settings.firstPageLoaded - 1, direction); + } + else if (pageBelowViewport(pageIndex)) + { + // Attempt to call this on the next page, do not increment anything + attemptPageShow(pageIndex - 1, direction); + } + } + } + }; + + // Called by adjustPages - see what pages need to be hidden, and hide them + var attemptPageHide = function (pageIndex, direction) + { + if (direction > 0) + { + // Scrolling down - see if this page needs to be deleted from the DOM + if (isPageValid(pageIndex) && pageAboveViewport(pageIndex)) + { + // Yes, delete it, reset the first page loaded + deletePage(pageIndex); + settings.firstPageLoaded = pageIndex + 1; + + // Try to call this function recursively until there's nothing to delete + attemptPageHide(settings.firstPageLoaded, direction); + } + } + else + { + // Direction must be negative (not 0 - see adjustPages), we're scrolling up + if (isPageValid(pageIndex) && pageBelowViewport(pageIndex)) + { + // Yes, delete it, reset the last page loaded + deletePage(pageIndex); + settings.lastPageLoaded = pageIndex - 1; + + // Try to call this function recursively until there's nothing to delete + attemptPageHide(settings.lastPageLoaded, direction); + } + } + }; + + // Handles showing and hiding pages when the user scrolls + var adjustPages = function (direction) + { + var i; + + // Direction is negative, so we're scrolling up + if (direction < 0) + { + attemptPageShow(settings.firstPageLoaded, direction); + setCurrentPage(-1); + attemptPageHide(settings.lastPageLoaded, direction); + } + else if (direction > 0) + { + // Direction is positive so we're scrolling down + attemptPageShow(settings.lastPageLoaded, direction); + setCurrentPage(1); + attemptPageHide(settings.firstPageLoaded, direction); + } + else + { + // Horizontal scroll, check if we need to reveal any tiles + var lpl = settings.lastPageLoaded; + for (i = Math.max(settings.firstPageLoaded, 0); i <= lpl; i++) + { + if (isPageVisible(i)) + { + loadPage(i); + } + } + } + + executeCallback(settings.onScroll, settings.topScrollSoFar); + + // If we're scrolling down + if (direction > 0) + { + executeCallback(settings.onScrollDown, settings.topScrollSoFar); + } + else if (direction < 0) + { + // We're scrolling up + executeCallback(settings.onScrollUp, settings.topScrollSoFar); + } + }; + + // Check if a row index is valid + var isRowValid = function (rowIndex) + { + return rowIndex >= 0 && rowIndex < settings.numRows; + }; + + // Check if a row should be visible in the viewport + var isRowVisible = function (rowIndex) + { + var topOfRow = settings.rowHeight * rowIndex; + var bottomOfRow = topOfRow + settings.rowHeight + settings.fixedPadding; + + return isVerticallyInViewport(topOfRow, bottomOfRow); + }; + + // Check if a row (in grid view) is present in the DOM + var isRowLoaded = function (rowIndex) + { + return $(settings.selector + 'row-' + rowIndex).length > 0; + }; + + var loadRow = function (rowIndex) + { + // If the row has already been loaded, don't attempt to load it again + if (isRowLoaded(rowIndex)) + { + return; + } + + // Load some data for this and initialise some variables + var heightFromTop = (settings.rowHeight * rowIndex) + settings.fixedPadding; + var content = []; + + // Create the opening tag for the row div + content.push('<div class="diva-row" id="' + settings.ID + 'row-' + rowIndex + '" style="height: ' + settings.rowHeight + '; top: ' + heightFromTop + 'px;">'); + + // Declare variables used in the loop + var i, pageIndex, filename, realWidth, realHeight, pageWidth, pageHeight, leftOffset, imageURL; + var imdir = settings.imageDir + "/"; + + // Load each page within that row + var ppr = settings.pagesPerRow; + for (i = 0; i < ppr; i++) + { + pageIndex = rowIndex * settings.pagesPerRow + i; + + // If this page is the last row, don't try to load a nonexistent page + if (!isPageValid(pageIndex)) + { + break; + } + + // Calculate the width, height and horizontal placement of this page + filename = settings.pages[pageIndex].f; + realWidth = getPageData(pageIndex, 'w'); + realHeight = getPageData(pageIndex, 'h'); + pageWidth = (settings.fixedHeightGrid) ? (settings.rowHeight - settings.fixedPadding) * realWidth / realHeight : settings.gridPageWidth; + pageHeight = (settings.fixedHeightGrid) ? settings.rowHeight - settings.fixedPadding : pageWidth / realWidth * realHeight; + leftOffset = parseInt(i * (settings.fixedPadding + settings.gridPageWidth) + settings.fixedPadding, 10); + + // Make sure they're all integers for nice, round numbers + pageWidth = parseInt(pageWidth, 10); + pageHeight = parseInt(pageHeight, 10); + + // Center the page if the height is fixed (otherwise, there is no horizontal padding) + leftOffset += (settings.fixedHeightGrid) ? (settings.gridPageWidth - pageWidth) / 2 : 0; + imageURL = settings.iipServerURL + "?FIF=" + imdir + filename + '&HEI=' + (pageHeight + 2) + '&CVT=JPEG'; + + // Append the HTML for this page to the string builder array + content.push('<div id="' + settings.ID + 'page-' + pageIndex + '" class="diva-page" style="width: ' + pageWidth + 'px; height: ' + pageHeight + 'px; left: ' + leftOffset + 'px;" title="Page ' + (pageIndex + 1) + '"></div>'); + + // Add each image to a queue so that images aren't loaded unnecessarily + addPageToQueue(rowIndex, pageIndex, imageURL, pageWidth, pageHeight); + } + + // Append this row to the DOM + content.push('</div>'); + $(document.getElementById(settings.ID + "inner")).append(content.join('')); + }; + + var deleteRow = function (rowIndex) + { + $(document.getElementById(settings.ID + 'row-' + rowIndex)).empty().remove(); + }; + + // Check if the bottom of a row is above the top of the viewport (scrolling down) + var rowAboveViewport = function (rowIndex) + { + var bottomOfRow = settings.rowHeight * (rowIndex + 1); + var topOfViewport = settings.topScrollSoFar; + + return (bottomOfRow < topOfViewport); + }; + + // Check if the top of a row is below the bottom of the viewport (scrolling up) + var rowBelowViewport = function (rowIndex) + { + var topOfRow = settings.rowHeight * rowIndex; + var bottomOfViewport = settings.topScrollSoFar + settings.panelHeight; + + return (topOfRow > bottomOfViewport); + }; + + // Same thing as attemptPageShow only with rows + var attemptRowShow = function (rowIndex, direction) + { + if (direction > 0) + { + if (isRowValid(rowIndex)) + { + if (isRowVisible(rowIndex)) + { + loadRow(rowIndex); + settings.lastRowLoaded = rowIndex; + + attemptRowShow(settings.lastRowLoaded + 1, direction); + } + else if (rowAboveViewport(rowIndex)) + { + attemptRowShow(rowIndex + 1, direction); + } + } + } + else + { + if (isRowValid(rowIndex)) + { + if (isRowVisible(rowIndex)) + { + loadRow(rowIndex); + settings.firstRowLoaded = rowIndex; + + attemptRowShow(settings.firstRowLoaded - 1, direction); + } + else if (rowBelowViewport(rowIndex)) + { + attemptRowShow(rowIndex - 1, direction); + } + } + } + }; + + var attemptRowHide = function (rowIndex, direction) + { + if (direction > 0) + { + if (isRowValid(rowIndex) && rowAboveViewport(rowIndex)) + { + deleteRow(rowIndex); + settings.firstRowLoaded++; + + attemptRowHide(settings.firstRowLoaded, direction); + } + } + else + { + if (isRowValid(rowIndex) && rowBelowViewport(rowIndex)) + { + deleteRow(rowIndex); + settings.lastRowLoaded--; + + attemptRowHide(settings.lastRowLoaded, direction); + } + } + }; + + var adjustRows = function (direction) + { + if (direction < 0) + { + attemptRowShow(settings.firstRowLoaded, -1); + setCurrentRow(-1); + attemptRowHide(settings.lastRowLoaded, -1); + } + else if (direction > 0) + { + attemptRowShow(settings.lastRowLoaded, 1); + setCurrentRow(1); + attemptRowHide(settings.firstRowLoaded, 1); + } + + executeCallback(settings.onScroll, settings.topScrollSoFar); + + // If we're scrolling down + if (direction > 0) + { + executeCallback(settings.onScrollDown, settings.topScrollSoFar); + } + else if (direction < 0) + { + // We're scrolling up + executeCallback(settings.onScrollUp, settings.topScrollSoFar); + } + }; + + // Used to delay loading of page images in grid view to prevent unnecessary loads + var addPageToQueue = function (rowIndex, pageIndex, imageURL, pageWidth, pageHeight) + { + settings.pageTimeouts.push(setTimeout(function () + { + if (isRowVisible(rowIndex)) + { + $(settings.selector + 'page-' + pageIndex).html('<img src="' + imageURL + '" style="width: ' + pageWidth + 'px; height: ' + pageHeight + 'px;" />'); + } + }, settings.rowLoadTimeout)); + }; + + // Determines and sets the "current page" (settings.currentPageIndex); called within adjustPages + // The "direction" is either 1 (downward scroll) or -1 (upward scroll) + var setCurrentPage = function (direction) + { + var middleOfViewport = settings.topScrollSoFar + (settings.panelHeight / 2); + var currentPage = settings.currentPageIndex; + var pageToConsider = settings.currentPageIndex + direction; + var changeCurrentPage = false; + var pageSelector = settings.selector + 'page-' + pageToConsider; + + // When scrolling up: + if (direction < 0) + { + // If the previous page > middle of viewport + if (pageToConsider >= 0 && (settings.heightAbovePages[pageToConsider] + getPageData(pageToConsider, 'h') + (settings.verticalPadding) >= middleOfViewport)) + { + changeCurrentPage = true; + } + } + else if (direction > 0) + { + // When scrolling down: + // If this page < middle of viewport + if (settings.heightAbovePages[currentPage] + getPageData(currentPage, 'h') + settings.verticalPadding < middleOfViewport) + { + changeCurrentPage = true; + } + } + + if (changeCurrentPage) + { + // Set this to the current page + settings.currentPageIndex = pageToConsider; + // Now try to change the next page, given that we're not going to a specific page + // Calls itself recursively - this way we accurately obtain the current page + if (direction !== 0) + { + if (!setCurrentPage(direction)) + { + var filename = settings.pages[pageToConsider].f; + executeCallback(settings.onSetCurrentPage, pageToConsider, filename); + Events.publish("VisiblePageDidChange", [pageToConsider, filename]); + } + } + return true; + } + + return false; + }; + + // Sets the current page in grid view + var setCurrentRow = function (direction) + { + var currentRow = Math.floor(settings.currentPageIndex / settings.pagesPerRow); + var rowToConsider = currentRow + parseInt(direction, 10); + var middleOfViewport = settings.topScrollSoFar + (settings.panelHeight / 2); + var changeCurrentRow = false; + + if (direction < 0) + { + if (rowToConsider >= 0 && (settings.rowHeight * currentRow >= middleOfViewport || settings.rowHeight * rowToConsider >= settings.topScrollSoFar)) + { + changeCurrentRow = true; + } + } + else if (direction > 0) + { + if ((settings.rowHeight * (currentRow + 1)) < settings.topScrollSoFar && isRowValid(rowToConsider)) + { + changeCurrentRow = true; + } + } + + if (changeCurrentRow) + { + settings.currentPageIndex = rowToConsider * settings.pagesPerRow; + + if (direction !== 0) + { + if (!setCurrentRow(direction)) + { + var pageIndex = settings.currentPageIndex; + var filename = settings.pages[pageIndex].f; + Events.publish("VisiblePageDidChange", [pageIndex, filename]); + } + } + + return true; + } + + return false; + }; + + // Helper function for going to a particular page + // Vertical offset: from the top of the page (including the top padding) + // Horizontal offset: from the center of the page; can be negative if to the left + var gotoPage = function (pageIndex, verticalOffset, horizontalOffset) + { + verticalOffset = (typeof verticalOffset !== 'undefined') ? verticalOffset : 0; + horizontalOffset = (typeof horizontalOffset !== 'undefined') ? horizontalOffset: 0; + var desiredTop = settings.heightAbovePages[pageIndex] + verticalOffset; + var desiredLeft = (settings.maxWidths[settings.zoomLevel] - settings.panelWidth) / 2 + settings.horizontalPadding + horizontalOffset; + + $(settings.outerSelector).scrollTop(desiredTop); + $(settings.outerSelector).scrollLeft(desiredLeft); + + // Pretend that this is the current page + settings.currentPageIndex = pageIndex; + //settings.toolbar.updateCurrentPage(); + var filename = settings.pages[pageIndex].f; + + Events.publish("VisiblePageDidChange", [pageIndex, filename]); + executeCallback(settings.onSetCurrentPage, pageIndex, filename); + + // Execute the onJump callback + executeCallback(settings.onJump, pageIndex); + }; + + // Calculates the desired row, then scrolls there + var gotoRow = function (pageIndex) + { + var desiredRow = Math.floor(pageIndex / settings.pagesPerRow); + var desiredTop = desiredRow * settings.rowHeight; + $(settings.outerSelector).scrollTop(desiredTop); + + // Pretend that this is the current page (it probably isn't) + settings.currentPageIndex = pageIndex; + var filename = settings.pages[pageIndex].f; + Events.publish("VisiblePageDidChange", [pageIndex, filename]); + }; + + // Helper function called by loadDocument to scroll to the desired place + var documentScroll = function () + { + // If settings.preZoomOffset is defined, the zoom was trigged by double-clicking + // We then zoom in on a specific region + if (settings.preZoomOffset) + { + var clickedPage = settings.preZoomOffset.i; + var heightAbovePage = settings.heightAbovePages[clickedPage] + settings.verticalPadding; + var pageLeftOffset = settings.pageLeftOffsets[clickedPage]; + var zoomRatio = Math.pow(2, settings.zoomLevel - settings.oldZoomLevel); + + var distanceFromViewport = { + x: settings.preZoomOffset.originalX - settings.viewerXOffset, + y: settings.preZoomOffset.originalY - settings.viewerYOffset + }; + + var newDistanceToEdge = { + x: settings.preZoomOffset.x * zoomRatio, + y: settings.preZoomOffset.y * zoomRatio + }; + + var newScroll = { + x: newDistanceToEdge.x - distanceFromViewport.x + pageLeftOffset, + y: newDistanceToEdge.y - distanceFromViewport.y + heightAbovePage + }; + + $(settings.outerSelector).scrollTop(newScroll.y).scrollLeft(newScroll.x); + + settings.preZoomOffset = undefined; + } + else + { + // Otherwise, we just scroll to the page saved in settings.goDirectlyTo (must be valid) + // Make sure the value for settings.goDirectlyTo is valid + if (!isPageValid(settings.goDirectlyTo)) + { + settings.goDirectlyTo = 0; + } + + // We use the stored y/x offsets (relative to the top of the page and the center, respectively) + gotoPage(settings.goDirectlyTo, settings.verticalOffset, settings.horizontalOffset); + settings.horizontalOffset = 0; + settings.verticalOffset = 0; + } + }; + + // Don't call this when not in grid mode please + // Scrolls to the relevant place when in grid view + var gridScroll = function () + { + // Figure out and scroll to the row containing the current page + gotoRow(settings.goDirectlyTo); + }; + + // If the given zoom level is valid, returns it; else, returns the min + var getValidZoomLevel = function (zoomLevel) + { + return (zoomLevel >= settings.minZoomLevel && zoomLevel <= settings.maxZoomLevel) ? zoomLevel : settings.minZoomLevel; + }; + + var getValidPagesPerRow = function (pagesPerRow) + { + return (pagesPerRow >= settings.minPagesPerRow && pagesPerRow <= settings.maxPagesPerRow) ? pagesPerRow : settings.maxPagesPerRow; + }; + + // Reset some settings and empty the viewport + var clearViewer = function () + { + settings.allTilesLoaded = []; + $(settings.outerSelector).scrollTop(0); + settings.topScrollSoFar = 0; + $(settings.innerSelector).empty(); + settings.firstPageLoaded = 0; + settings.firstRowLoaded = -1; + settings.previousTopScroll = 0; + + // Clear all the timeouts to prevent undesired pages from loading + clearTimeout(settings.resizeTimer); + + while (settings.pageTimeouts.length) + { + clearTimeout(settings.pageTimeouts.pop()); + } + }; + + // Called when we don't necessarily know which view to go into + var loadViewer = function () + { + if (settings.inGrid) + { + loadGrid(); + } + else + { + loadDocument(); + } + }; + + // Called every time we need to load document view (after zooming, fullscreen, etc) + var loadDocument = function () + { + clearViewer(); + + // Make sure the zoom level we've been given is valid + settings.zoomLevel = getValidZoomLevel(settings.zoomLevel); + var z = settings.zoomLevel; + + // Calculate the horizontal and vertical inter-page padding + if (settings.adaptivePadding > 0) + { + settings.horizontalPadding = settings.averageWidths[z] * settings.adaptivePadding; + settings.verticalPadding = settings.averageHeights[z] * settings.adaptivePadding; + } + else + { + // It's less than or equal to 0; use fixedPadding instead + settings.horizontalPadding = settings.fixedPadding; + settings.verticalPadding = settings.fixedPadding; + } + + // Make sure the vertical padding is at least 40, if plugin icons are enabled + if (settings.pageTools.length) + { + settings.verticalPadding = Math.max(40, settings.horizontalPadding); + } + + // Now reset some things that need to be changed after each zoom + settings.totalHeight = settings.totalHeights[z] + settings.verticalPadding * (settings.numPages + 1); + settings.dimAfterZoom = settings.totalHeight; + + // Determine the width of the inner element (based on the max width) + var maxWidthToSet = settings.maxWidths[z] + settings.horizontalPadding * 2; + var widthToSet = Math.max(maxWidthToSet, settings.panelWidth); + + // Needed to set settings.heightAbovePages - initially just the top padding + var heightSoFar = 0; + var i; + + for (i = 0; i < settings.numPages; i++) + { + // First set the height above that page by adding this height to the previous total + // A page includes the padding above it + settings.heightAbovePages[i] = heightSoFar; + + // Has to be done this way otherwise you get the height of the page included too + heightSoFar = settings.heightAbovePages[i] + getPageData(i, 'h') + settings.verticalPadding; + + // Figure out the pageLeftOffset stuff + settings.pageLeftOffsets[i] = (widthToSet - getPageData(i, 'w')) / 2; + + // Now try to load the page ONLY if the page needs to be loaded + // Take scrolling into account later, just try this for now + if (isPageVisible(i)) + { + loadPage(i); + settings.lastPageLoaded = i; + } + } + + // If this is not the initial load, execute the zoom callbacks + if (settings.oldZoomLevel >= 0) + { + if (settings.oldZoomLevel < settings.zoomLevel) + { + executeCallback(settings.onZoomIn, z); + } + else + { + executeCallback(settings.onZoomOut, z); + } + + executeCallback(settings.onZoom, z); + } + + // Set the height and width of documentpane (necessary for dragscrollable) + $(settings.innerSelector).height(Math.round(settings.totalHeight)); + $(settings.innerSelector).width(Math.round(widthToSet)); + + // Scroll to the proper place + documentScroll(); + + // For the iPad - wait until this request finishes before accepting others + if (settings.scaleWait) + { + settings.scaleWait = false; + } + + var fileName = settings.pages[settings.currentPageIndex].f; + executeCallback(settings.onDocumentLoaded, settings.lastPageLoaded, fileName); + Events.publish("DocumentHasFinishedLoading", [settings.lastPageLoaded, fileName]); + }; + + var loadGrid = function () + { + clearViewer(); + + // Make sure the pages per row setting is valid + settings.pagesPerRow = getValidPagesPerRow(settings.pagesPerRow); + + var horizontalPadding = settings.fixedPadding * (settings.pagesPerRow + 1); + var pageWidth = (settings.panelWidth - horizontalPadding) / settings.pagesPerRow; + settings.gridPageWidth = pageWidth; + + // Calculate the row height depending on whether we want to fix the width or the height + settings.rowHeight = (settings.fixedHeightGrid) ? settings.fixedPadding + settings.minRatio * pageWidth : settings.fixedPadding + settings.maxRatio * pageWidth; + settings.numRows = Math.ceil(settings.numPages / settings.pagesPerRow); + settings.totalHeight = settings.numRows * settings.rowHeight + settings.fixedPadding; + + $(settings.innerSelector).height(Math.round(settings.totalHeight)); + $(settings.innerSelector).width(Math.round(settings.panelWidth)); + + // First scroll directly to the row containing the current page + gridScroll(); + + var i, rowIndex; + + // Figure out the row each page is in + var np = settings.numPages; + for (i = 0; i < np; i += settings.pagesPerRow) + { + rowIndex = Math.floor(i / settings.pagesPerRow); + + if (isRowVisible(rowIndex)) + { + settings.firstRowLoaded = (settings.firstRowLoaded < 0) ? rowIndex : settings.firstRowLoaded; + loadRow(rowIndex); + settings.lastRowLoaded = rowIndex; + } + } + }; + + // Handles switching in and out of fullscreen mode + // Should only be called after changing settings.inFullscreen + var handleModeChange = function (changeView) + { + // Save some offsets (required for scrolling properly), if it's not the initial load + if (settings.oldZoomLevel >= 0) + { + if (!settings.inGrid) + { + var pageOffset = $(settings.selector + 'page-' + settings.currentPageIndex).offset(); + var topOffset = -(pageOffset.top - settings.verticalPadding - settings.viewerYOffset); + var expectedLeft = (settings.panelWidth - getPageData(settings.currentPageIndex, 'w')) / 2; + var leftOffset = -(pageOffset.left - settings.viewerXOffset - expectedLeft); + settings.verticalOffset = topOffset; + settings.horizontalOffset = leftOffset; + } + } + + // Change the look of the toolbar + Events.publish("ModeDidSwitch", null); + + // Toggle the classes + $(settings.selector + 'fullscreen').toggleClass('diva-in-fullscreen'); + $(settings.outerSelector).toggleClass('diva-fullscreen'); + $('body').toggleClass('diva-hide-scrollbar'); + $(settings.parentSelector).toggleClass('diva-full-width'); + + // Reset the panel dimensions + settings.panelHeight = $(settings.outerSelector).height(); + settings.panelWidth = $(settings.outerSelector).width() - settings.scrollbarWidth; + $(settings.innerSelector).width(settings.panelWidth); + + // Recalculate the viewer offsets + settings.viewerXOffset = $(settings.outerSelector).offset().left; + settings.viewerYOffset = $(settings.outerSelector).offset().top; + + // Used by setState when we need to change the view and the mode + if (changeView) + { + settings.inGrid = !settings.inGrid; + handleViewChange(); + } + else + { + loadViewer(); + } + + // Execute callbacks + executeCallback(settings.onModeToggle, settings.inFullscreen); + Events.publish("ModeHasChanged", [settings.inFullScreen]); + }; + + // Handles switching in and out of grid view + // Should only be called after changing settings.inGrid + var handleViewChange = function () + { + // Switch the slider + // Events.publish("ViewDidSwitch", null); + + loadViewer(); + executeCallback(settings.onViewToggle, settings.inGrid); + Events.publish("ViewDidSwitch", [settings.inGrid]); + }; + + // Called when the fullscreen icon is clicked + var toggleFullscreen = function () + { + settings.goDirectlyTo = settings.currentPageIndex; + settings.inFullscreen = !settings.inFullscreen; + handleModeChange(false); + }; + + // Called when the grid icon is clicked + var toggleGrid = function () + { + settings.goDirectlyTo = settings.currentPageIndex; + settings.inGrid = !settings.inGrid; + handleViewChange(); + }; + + // Called after double-click or ctrl+double-click events on pages in document view + var handleDocumentDoubleClick = function (event) + { + var pageOffset = $(this).offset(); + var offsetX = event.pageX - pageOffset.left; + var offsetY = event.pageY - pageOffset.top; + + // Store the offset information so that it can be used in documentScroll() + settings.preZoomOffset = { + x: offsetX, + y: offsetY, + originalX: event.pageX, + originalY: event.pageY, + i: $(this).attr('data-index') + }; + + // Hold control to zoom out, otherwise, zoom in + var newZoomLevel = (event.ctrlKey) ? settings.zoomLevel - 1 : settings.zoomLevel + 1; + + handleZoom(newZoomLevel); + }; + + // Called after double-clicking on a page in grid view + var handleGridDoubleClick = function (event) + { + // Figure out the page that was clicked, scroll to that page + var sel = document.getElementById(settings.ID + "outer"); + var centerX = (event.pageX - settings.viewerXOffset) + sel.scrollLeft; + var centerY = (event.pageY - settings.viewerYOffset) + sel.scrollTop; + var rowIndex = Math.floor(centerY / settings.rowHeight); + var colIndex = Math.floor(centerX / (settings.panelWidth / settings.pagesPerRow)); + var pageIndex = rowIndex * settings.pagesPerRow + colIndex; + settings.goDirectlyTo = pageIndex; + + // Leave grid view, jump directly to the desired page + settings.inGrid = false; + handleViewChange(); + }; + + // Handles pinch-zooming for mobile devices + var handlePinchZoom = function (event) + { + var newZoomLevel = settings.zoomLevel; + + // First figure out the new zoom level: + if (event.scale > 1 && newZoomLevel < settings.maxZoomLevel) + { + newZoomLevel++; + } + else if (event.scale < 1 && newZoomLevel > settings.minZoomLevel) + { + newZoomLevel--; + } + else + { + return; + } + + // Set it to true so we have to wait for this one to finish + settings.scaleWait = true; + + // Has to call handleZoomSlide so that the coordinates are kept + handleZoom(newZoomLevel); + }; + + // Called to handle any zoom level + var handleZoom = function (newValue) + { + var newZoomLevel = getValidZoomLevel(newValue); + + // If the zoom level provided is invalid, return false + if (newZoomLevel !== newValue) + { + return false; + } + + settings.oldZoomLevel = settings.zoomLevel; + settings.zoomLevel = newZoomLevel; + + // Update the slider + Events.publish("ZoomLevelDidChange", null); + + loadDocument(); + + return true; + }; + + // Called to handle changing the pages per row slider + var handleGrid = function (newValue) + { + var newPagesPerRow = getValidPagesPerRow(newValue); + + // If the value provided is invalid, return false + if (newPagesPerRow !== newValue) + { + return false; + } + + settings.oldPagesPerRow = settings.zoomLevel; + settings.pagesPerRow = newPagesPerRow; + + // Update the slider + Events.publish("GridRowNumberDidChange", null); + + loadGrid(); + }; + + var getYOffset = function () + { + var yScroll = document.getElementById(settings.ID + "outer").scrollTop; + var topOfPage = settings.heightAbovePages[settings.currentPageIndex]; + + return parseInt(yScroll - topOfPage, 10); + }; + + var getXOffset = function () + { + var innerWidth = settings.maxWidths[settings.zoomLevel] + settings.horizontalPadding * 2; + var centerX = (innerWidth - settings.panelWidth) / 2; + var xoff = document.getElementById(settings.ID + "outer").scrollLeft - centerX; + return parseInt(xoff, 10); + }; + + var getState = function () + { + var state = { + 'f': settings.inFullscreen, + 'g': settings.inGrid, + 'z': settings.zoomLevel, + 'n': settings.pagesPerRow, + 'i': (settings.enableFilename) ? settings.pages[settings.currentPageIndex].f : false, + 'p': (settings.enableFilename) ? false : settings.currentPageIndex + 1, + 'y': (settings.inGrid) ? false : getYOffset(), + 'x': (settings.inGrid) ? false : getXOffset(), + 'h': (settings.inFullscreen) ? false : settings.panelHeight, + 'w': (settings.inFullscreen) ? false : $(settings.outerSelector).width() + }; + + return state; + }; + + var getURLHash = function () + { + var hashParams = getState(); + var hashStringBuilder = []; + var param; + + for (param in hashParams) + { + if (hashParams[param] !== false) + { + hashStringBuilder.push(param + settings.hashParamSuffix + '=' + hashParams[param]); + } + } + + return hashStringBuilder.join('&'); + }; + + // Returns the URL to the current state of the document viewer (so it should be an exact replica) + var getCurrentURL = function () + { + return location.protocol + '//' + location.host + location.pathname + '#' + getURLHash(); + }; + + // Called in init and when the orientation changes + var adjustMobileWebkitDims = function () + { + var outerOffset = $(settings.outerSelector).offset().top; + settings.panelHeight = window.innerHeight - outerOffset - settings.viewerHeightPadding; + settings.panelWidth = window.innerWidth - settings.viewerWidthPadding; + + // $(settings.parentSelector).width(settings.panelWidth); + // document.getElementById(settings.parentSelector.substring(1)).style.width = settings.panelWidth + "px"; + settings.parentSelector.style.width = settings.panelWidth + "px"; + + if (settings.enableAutoHeight) + { + document.getElementById(settings.ID + "outer").style.height = settings.panelHeight + "px"; + } + + if (settings.enableAutoWidth) + { + document.getElementById(settings.ID + "outer").style.width = settings.panelWidth + "px"; + } + }; + + // Will return true if something has changed, false otherwise + var adjustBrowserDims = function () + { + // Only resize if the browser viewport is too small + var newHeight = $(settings.outerSelector).height(); + var newWidth = $(settings.parentSelector).width() - settings.scrollbarWidth; + var outerOffset = $(settings.outerSelector).offset().top; + + var windowHeight = window.innerHeight || document.documentElement.clientHeight; + var windowWidth = window.innerWidth || document.documentElement.clientWidth; + // 2 or 1 pixels for the border + var desiredWidth = windowWidth - settings.viewerWidthPadding - settings.scrollbarWidth - 2; + var desiredHeight = windowHeight - outerOffset - settings.viewerHeightPadding - 1; + + if (settings.enableAutoHeight) + { + if (newHeight + outerOffset + 16 > window.innerHeight) + { + newHeight = desiredHeight; + } + else if (newHeight <= settings.originalHeight) + { + newHeight = Math.min(desiredHeight, settings.originalHeight); + } + } + + if (settings.enableAutoWidth) + { + if (newWidth + 32 > window.innerWidth) + { + newWidth = desiredWidth; + } + else if (newWidth <= settings.originalWidth) + { + newWidth = Math.min(desiredWidth, settings.originalWidth); + } + + settings.parentSelector[0].style.width = newWidth + settings.scrollbarWidth; + } + + if (newWidth !== settings.panelWidth || newHeight !== settings.panelHeight) + { + var el = document.getElementById(settings.ID + "outer"); + el.style.height = newHeight + "px"; + el.style.width = newWidth + settings.scrollbarWidth + "px"; + settings.panelWidth = newWidth; + settings.panelHeight = newHeight; + return true; + } + + return false; + }; + + // Update the panelHeight and panelWidth based on the window size + var adjustFullscreenDims = function () + { + settings.panelWidth = window.innerWidth - settings.scrollbarWidth; + settings.panelHeight = window.innerHeight; + + return true; + }; + + var resizeViewer = function (newWidth, newHeight) + { + if (newWidth >= settings.minWidth) + { + settings.originalWidth = newWidth; + $(settings.outerSelector).width(newWidth); + document.getElementById(settings.ID + "outer").style.width = newWidth + "px"; + + settings.panelWidth = newWidth - settings.scrollbarWidth; + + // Should also change the width of the container + settings.parentSelector[0].style.width = newWidth + "px"; + } + + if (newHeight >= settings.minHeight) + { + settings.originalHeight = newHeight; + document.getElementById(settings.ID + "outer").style.height = newHeight + "px"; + + settings.panelHeight = newHeight; + } + }; + + // Binds most of the event handlers (some more in createToolbar) + var handleEvents = function () + { + // Create the fullscreen toggle icon if fullscreen is enabled + if (settings.enableFullscreen) + { + // Event handler for fullscreen toggling + $(settings.selector + 'fullscreen').click(function () + { + toggleFullscreen(); + }); + } + + // Change the cursor for dragging + $(settings.innerSelector).mouseover(function () + { + $(this).removeClass('diva-grabbing').addClass('diva-grab'); + }); + + $(settings.innerSelector).mouseout(function () + { + $(this).removeClass('diva-grab'); + }); + + $(settings.innerSelector).mousedown(function () + { + $(this).removeClass('diva-grab').addClass('diva-grabbing'); + }); + + $(settings.innerSelector).mouseup(function () + { + $(this).removeClass('diva-grabbing').addClass('diva-grab'); + }); + + // Set drag scroll on first descendant of class dragger on both selected elements + $(settings.outerSelector + ', ' + settings.innerSelector).dragscrollable({dragSelector: '.diva-dragger', acceptPropagatedEvent: true}); + + // Handle the scroll + $(settings.outerSelector).scroll(function () + { + settings.topScrollSoFar = document.getElementById(settings.ID + "outer").scrollTop; + var direction = settings.topScrollSoFar - settings.previousTopScroll; + + if (settings.inGrid) + { + adjustRows(direction); + } + else + { + adjustPages(direction); + settings.leftScrollSoFar = $(this).scrollLeft(); + } + + settings.previousTopScroll = settings.topScrollSoFar; + }); + + // Double-click to zoom + $(settings.outerSelector).on('dblclick', '.diva-document-page', function (event) + { + handleDocumentDoubleClick.call(this, event); + }); + + // Handle the control key for macs (in conjunction with double-clicking) + $(settings.outerSelector).on('contextmenu', '.diva-document-page', function (event) + { + if (event.ctrlKey) + { + // In Firefox, this doesn't trigger a double-click, so we apply one manually + clearTimeout(settings.singleClickTimeout); + + if (settings.singleClick) + { + handleDocumentDoubleClick.call(this, event); + settings.singleClick = false; + } + else + { + settings.singleClick = true; + + // Set it to false again after 500 milliseconds (standard double-click timeout) + settings.singleClickTimeout = setTimeout(function () + { + settings.singleClick = false; + }, 500); + } + + return false; + } + }); + + $(settings.outerSelector).on('dblclick', '.diva-row', function (event) + { + handleGridDoubleClick.call(this, event); + }); + + // Check if the user is on a iPhone or iPod touch or iPad + if (settings.mobileWebkit) + { + // Prevent resizing (below from http://matt.might.net/articles/how-to-native-iphone-ipad-apps-in-javascript/) + var toAppend = []; + toAppend.push('<meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1" />'); + + // Eliminate URL and button bars if added to home screen + toAppend.push('<meta name="apple-mobile-web-app-capable" content="yes" />'); + + // Choose how to handle the phone status bar + toAppend.push('<meta name="apple-mobile-web-app-status-bar-style" content="black" />'); + $('head').append(toAppend.join('\n')); + + // Block the user from moving the window only if it's not integrated + if (settings.blockMobileMove) + { + $('body').bind('touchmove', function (event) + { + var e = event.originalEvent; + e.preventDefault(); + + return false; + }); + } + + // Allow pinch-zooming + $('body').bind('gestureend', function (event) + { + var e = event.originalEvent; + + if (!settings.scaleWait) + { + // Save the page we're currently on so we scroll there + settings.goDirectlyTo = settings.currentPageIndex; + + if (settings.inGrid) + { + settings.inGrid = false; + + handleViewChange(); + } + else + { + handlePinchZoom(e); + } + } + return false; + }); + + // Listen to orientation change event + $(window).bind('orientationchange', function (event) + { + settings.orientationChange = true; + adjustMobileWebkitDims(); + + // Reload the viewer to account for the resized viewport + settings.goDirectlyTo = settings.currentPageIndex; + loadViewer(); + }); + + // Inertial scrolling + $(settings.outerSelector).kinetic(); + } + + // Only check if either scrollBySpace or scrollByKeys is enabled + if (settings.enableSpaceScroll || settings.enableKeyScroll) + { + var spaceKey = $.ui.keyCode.SPACE; + var pageUpKey = $.ui.keyCode.PAGE_UP; + var pageDownKey = $.ui.keyCode.PAGE_DOWN; + var homeKey = $.ui.keyCode.HOME; + var endKey = $.ui.keyCode.END; + + // Catch the key presses in document + $(document).keydown(function (event) + { + // Space or page down - go to the next page + if ((settings.enableSpaceScroll && event.keyCode === spaceKey) || (settings.enableKeyScroll && event.keyCode === pageDownKey)) + { + $(settings.outerSelector).scrollTop(settings.topScrollSoFar + settings.panelHeight); + return false; + } + + // Page up - go to the previous page + if (settings.enableKeyScroll && event.keyCode === pageUpKey) + { + $(settings.outerSelector).scrollTop(settings.topScrollSoFar - settings.panelHeight); + return false; + } + + // Home key - go to the beginning of the document + if (settings.enableKeyScroll && event.keyCode === homeKey) + { + $(settings.outerSelector).scrollTop(0); + return false; + } + + // End key - go to the end of the document + if (settings.enableKeyScroll && event.keyCode === endKey) + { + $(settings.outerSelector).scrollTop(settings.totalHeight); + return false; + } + }); + + // Handle window resizing events + if (!settings.mobileWebkit) + { + $(window).resize(function () + { + var adjustSuccess = (settings.inFullscreen) ? adjustFullscreenDims() : adjustBrowserDims(); + + if (adjustSuccess) + { + // Cancel any previously-set resize timeouts + clearTimeout(settings.resizeTimer); + + settings.resizeTimer = setTimeout(function () + { + settings.goDirectlyTo = settings.currentPageIndex; + loadViewer(); + }, 200); + } + }); + } + } + }; + + // Handles all status updating etc (both fullscreen and not) + var createToolbar = function () { + // Prepare the HTML for the various components + var gridIconHTML = (settings.enableGridIcon) ? '<div class="diva-grid-icon' + (settings.inGrid ? ' diva-in-grid' : '') + '" id="' + settings.ID + 'grid-icon" title="Toggle grid view"></div>' : ''; + var linkIconHTML = (settings.enableLinkIcon) ? '<div class="diva-link-icon" id="' + settings.ID + 'link-icon" style="' + (settings.enableGridIcon ? 'border-left: 0px' : '') + '" title="Link to this page"></div>' : ''; + var zoomSliderHTML = (settings.enableZoomSlider) ? '<div id="' + settings.ID + 'zoom-slider"></div>' : ''; + var gridSliderHTML = (settings.enableGridSlider) ? '<div id="' + settings.ID + 'grid-slider"></div>' : ''; + var gotoPageHTML = (settings.enableGotoPage) ? '<form id="' + settings.ID + 'goto-page" class="diva-goto-form"><input type="text" id="' + settings.ID + 'goto-page-input" / class="diva-input"> <input type="submit" value="Go" style="margin-top: 0px;" /></form>' : ''; + var zoomSliderLabelHTML = (settings.enableZoomSlider) ? '<div id="' + settings.ID + 'zoom-slider-label" class="diva-slider-label">Zoom level: <span id="' + settings.ID + 'zoom-level">' + settings.zoomLevel + '</span></div>' : ''; + var gridSliderLabelHTML = (settings.enableGridSlider) ? '<div id="' + settings.ID + 'grid-slider-label" class="diva-slider-label">Pages per row: <span id="' + settings.ID + 'pages-per-row">' + settings.pagesPerRow + '</span></div>' : ''; + var pageNumberHTML = '<div class="diva-page-label">Page <span id="' + settings.ID + 'current-page">1</span> of <span id="' + settings.ID + 'num-pages">' + settings.numPages + '</span></div>'; + + // If the viewer is specified to be "contained", we make room for the fullscreen icon + var otherToolbarClass = ''; + + if (settings.contained) + { + // Make sure the container element does not have a static position + // (Needed for the fullscreen icon to be contained) + if ($(settings.parentSelector).css('position') === 'static') + { + $(settings.parentSelector).addClass('diva-relative-position'); + } + + otherToolbarClass = ' diva-fullscreen-space'; + + // If enableAutoTitle is set to TRUE, move it down + if (settings.enableAutoTitle) + { + $(settings.selector + 'fullscreen').addClass('diva-contained'); + } + } + + var toolbarHTML = '<div id="' + settings.ID + 'tools-left" class="diva-tools-left' + otherToolbarClass + '">' + zoomSliderHTML + gridSliderHTML + zoomSliderLabelHTML + gridSliderLabelHTML + '</div><div id="' + settings.ID + 'tools-right" class="diva-tools-right">' + linkIconHTML + gridIconHTML + '<div class="diva-page-nav">' + gotoPageHTML + pageNumberHTML + '</div></div>'; + + if (settings.toolbarParentSelector) + { + $(settings.toolbarParentSelector).prepend('<div id="' + settings.ID + 'tools" class="diva-tools">' + toolbarHTML + '</div>'); + } + else + { + $(settings.parentSelector).prepend('<div id="' + settings.ID + 'tools" class="diva-tools">' + toolbarHTML + '</div>'); + } + + // Create the zoom slider + $(settings.selector + 'zoom-slider').slider({ + value: settings.zoomLevel, + min: settings.minZoomLevel, + max: settings.maxZoomLevel, + step: 1, + slide: function (event, ui) + { + var i = settings.currentPageIndex; + settings.goDirectlyTo = i; + + // Figure out the horizontal and vertical offsets + // (Try to zoom in on the current center) + var zoomRatio = Math.pow(2, ui.value - settings.zoomLevel); + var innerWidth = settings.maxWidths[settings.zoomLevel] + settings.horizontalPadding * 2; + var centerX = $(settings.outerSelector).scrollLeft() - (innerWidth - settings.panelWidth) / 2; + settings.horizontalOffset = (innerWidth > settings.panelWidth) ? centerX * zoomRatio : 0; + settings.verticalOffset = zoomRatio * ($(settings.outerSelector).scrollTop() - settings.heightAbovePages[i]); + + handleZoom(ui.value); + }, + change: function (event, ui) + { + if (ui.value !== settings.zoomLevel) + { + handleZoom(ui.value); + } + } + }); + + // Create the grid slider + $(settings.selector + 'grid-slider').slider( + { + value: settings.pagesPerRow, + min: settings.minPagesPerRow, + max: settings.maxPagesPerRow, + step: 1, + slide: function (event, ui) + { + handleGrid(ui.value); + }, + change: function (event, ui) + { + if (ui.value !== settings.pagesPerRow) + { + handleGrid(ui.value); + } + } + }); + + // Handle clicking of the grid icon + $(settings.selector + 'grid-icon').click(function () + { + toggleGrid(); + }); + + // Handle going to a specific page using the input box + $(settings.selector + 'goto-page').submit(function () + { + var desiredPage = parseInt($(settings.selector + 'goto-page-input').val(), 10); + var pageIndex = desiredPage - 1; + + if (!isPageValid(pageIndex)) + { + alert("Invalid page number"); + } + else + { + if (settings.inGrid) + { + gotoRow(pageIndex); + } + else + { + gotoPage(pageIndex, 0, 0); + } + } + + // Prevent the default action of reloading the page + return false; + }); + + // Handle the creation of the link popup box + $(settings.selector + 'link-icon').click(function () + { + $('body').prepend('<div id="' + settings.ID + 'link-popup" class="diva-link-popup"><input id="' + settings.ID + 'link-popup-input" class="diva-input" type="text" value="' + getCurrentURL() + '"/></div>'); + + if (settings.inFullscreen) + { + $(settings.selector + 'link-popup').addClass('in-fullscreen'); + } + else + { + // Calculate the left and top offsets + // Compensate for border, popup width + var leftOffset = $(settings.outerSelector).offset().left + settings.panelWidth; + leftOffset += settings.scrollbarWidth - 240 - 1; + var topOffset = $(settings.outerSelector).offset().top + 1; + + $(settings.selector + 'link-popup').removeClass('in-fullscreen').css( + { + 'top': topOffset + 'px', + 'left': leftOffset + 'px' + }); + } + + // Catch onmouseup events outside of this div + $('body').mouseup(function (event) + { + var targetID = event.target.id; + + if (targetID !== settings.ID + 'link-popup' && targetID !== settings.ID + 'link-popup-input') + { + $(settings.selector + 'link-popup').remove(); + } + }); + + // Also delete it upon scroll and page up/down key events + $(settings.outerSelector).scroll(function () + { + $(settings.selector + 'link-popup').remove(); + }); + $(settings.selector + 'link-popup input').click(function () + { + $(this).focus().select(); + }); + return false; + }); + + // Show the relevant slider + var currentSlider = (settings.inGrid) ? 'grid' : 'zoom'; + $(settings.selector + currentSlider + '-slider').show(); + $(settings.selector + currentSlider + '-slider-label').show(); + + var switchMode = function () + { + // Switch from fullscreen to not + $(settings.selector + 'tools').toggleClass('diva-fullscreen-tools'); + + if (!settings.inFullscreen) + { + // Leaving fullscreen + $(settings.selector + 'tools-left').after($(settings.selector + 'tools-right')); + $(settings.selector + 'tools-left').removeClass('in-fullscreen'); + } + else + { + // Entering fullscreen + $(settings.selector + 'tools-right').after($(settings.selector + 'tools-left')); + $(settings.selector + 'tools-left').addClass('in-fullscreen'); + } + }; + + var switchView = function () + { + // Switch from grid to document view etc + $(settings.selector + currentSlider + '-slider').hide(); + $(settings.selector + currentSlider + '-slider-label').hide(); + currentSlider = (settings.inGrid) ? 'grid' : 'zoom'; + $(settings.selector + currentSlider + '-slider').show(); + $(settings.selector + currentSlider + '-slider-label').show(); + + // Also change the image for the grid icon + $(settings.selector + 'grid-icon').toggleClass('diva-in-grid'); + }; + + var toolbar = + { + updateCurrentPage: function () + { + $(settings.selector + 'current-page').text(settings.currentPageIndex + 1); + }, + setNumPages: function (newNumber) + { + $(settings.selector + 'num-pages').text(newNumber); + }, + updateZoomSlider: function () + { + // Update the position of the handle within the slider + if (settings.zoomLevel !== $(settings.selector + 'zoom-slider').slider('value')) + { + $(settings.selector + 'zoom-slider').slider( + { + value: settings.zoomLevel + }); + } + + // Update the slider label + $(settings.selector + 'zoom-level').text(settings.zoomLevel); + }, + updateGridSlider: function () + { + // Update the position of the handle within the slider + if (settings.pagesPerRow !== $(settings.selector + 'grid-slider').slider('value')) + { + $(settings.selector + 'grid-slider').slider( + { + value: settings.pagesPerRow + }); + } + + // Update the slider label + $(settings.selector + 'pages-per-row').text(settings.pagesPerRow); + }, + switchView: switchView, + switchMode: switchMode + }; + return toolbar; + }; + + var initPlugins = function () + { + if (window.divaPlugins) + { + var pageTools = []; + + // Add all the plugins that have not been explicitly disabled to settings.plugins + $.each(window.divaPlugins, function (index, plugin) + { + var pluginProperName = plugin.pluginName[0].toUpperCase() + plugin.pluginName.substring(1); + + if (settings['enable' + pluginProperName]) + { + // Call the init function and check return value + var enablePlugin = plugin.init(settings, self); + + // If int returns false, consider the plugin disabled + if (!enablePlugin) + { + return; + } + + // If the title text is undefined, use the name of the plugin + var titleText = plugin.titleText || pluginProperName + " plugin"; + + // Create the pageTools bar if handleClick is set to a function + if (typeof plugin.handleClick === 'function') + { + pageTools.push('<div class="diva-' + plugin.pluginName + '-icon" title="' + titleText + '"></div>'); + + // Delegate the click event - pass it the settings + $(settings.outerSelector).delegate('.diva-' + plugin.pluginName + '-icon', 'click', function (event) + { + plugin.handleClick.call(this, event, settings); + }); + } + + // Add it to settings.plugins so it can be used later + settings.plugins.push(plugin); + } + }); + + // Save the page tools bar so it can be added for each page + if (pageTools.length) + { + settings.pageTools = '<div class="diva-page-tools">' + pageTools.join('') + '</div>'; + } + } + }; + + var hideThrobber = function () + { + // Clear the timeout, if it hasn't executed yet + clearTimeout(settings.throbberTimeoutID); + + // Hide the throbber if it has already executed + $(settings.selector + 'throbber').hide(); + }; + + var setupViewer = function () + { + // Create the throbber element + var throbberHTML = '<div id="' + settings.ID + 'throbber" class="diva-throbber"></div>'; + $(settings.outerSelector).append(throbberHTML); + + // If the request hasn't completed after a specified time, show it + settings.throbberTimeoutID = setTimeout(function () + { + $(settings.selector + 'throbber').show(); + }, settings.throbberTimeout); + + $.ajax({ + url: settings.objectData, + cache: true, + dataType: 'json', + error: function (jqxhr, status, error) + { + hideThrobber(); + + // Show a basic error message within the document viewer pane + $(settings.outerSelector).text("Invalid URL. Error code: " + status + " " + error); + }, + success: function (data, status, jqxhr) + { + hideThrobber(); + + // Save all the data we need + settings.pages = data.pgs; + settings.maxRatio = data.dims.max_ratio; + settings.minRatio = data.dims.min_ratio; + settings.itemTitle = data.item_title; + settings.numPages = data.pgs.length; + + // These are arrays, the index corresponding to the zoom level + settings.maxWidths = data.dims.max_w; + settings.averageWidths = data.dims.a_wid; + settings.averageHeights = data.dims.a_hei; + settings.totalHeights = data.dims.t_hei; + + // Make sure the set max and min values are valid + settings.realMaxZoom = data.max_zoom; + settings.maxZoomLevel = (settings.maxZoomLevel >= 0 && settings.maxZoomLevel <= data.max_zoom) ? settings.maxZoomLevel : data.max_zoom; + settings.minZoomLevel = (settings.minZoomLevel >= 0 && settings.minZoomLevel <= settings.maxZoomLevel) ? settings.minZoomLevel : 0; + settings.minPagesPerRow = Math.max(2, settings.minPagesPerRow); + settings.maxPagesPerRow = Math.max(settings.minPagesPerRow, settings.maxPagesPerRow); + + // Check that the desired page is in range + if (settings.enableFilename) + { + var iParam = $.getHashParam('i' + settings.hashParamSuffix); + var iParamPage = getPageIndex(iParam); + + if (isPageValid(iParamPage)) + { + settings.goDirectlyTo = iParamPage; + } + } + else + { + // Not using the i parameter, check the p parameter + // Subtract 1 to get the page index + var pParam = parseInt($.getHashParam('p' + settings.hashParamSuffix), 10) - 1; + + if (isPageValid(pParam)) + { + settings.goDirectlyTo = pParam; + } + } + + // Execute the setup hook for each plugin (if defined) + $.each(settings.plugins, function (index, plugin) + { + executeCallback(plugin.setupHook, settings); + }); + + // Create the toolbar and display the title + total number of pages + if (settings.enableToolbar) + { + settings.toolbar = createToolbar(); + Events.subscribe("VisiblePageDidChange", settings.toolbar.updateCurrentPage); + Events.subscribe("ModeDidSwitch", settings.toolbar.switchMode); + Events.subscribe("ViewDidSwitch", settings.toolbar.switchView); + Events.subscribe("ZoomLevelDidChange", settings.toolbar.updateZoomSlider); + Events.subscribe("GridRowNumberDidChange", settings.toolbar.updateGridSlider); + } + + $(settings.selector + 'current label').text(settings.numPages); + + if (settings.enableAutoTitle) + { + $(settings.parentSelector).prepend('<div id="' + settings.ID + 'title" class="diva-title">' + settings.itemTitle + '</div>'); + } + + // Adjust the document panel dimensions for touch devices + if (settings.mobileWebkit) + { + adjustMobileWebkitDims(); + } + else + { + settings.originalWidth = $(settings.parentSelector).width() - settings.scrollbarWidth; + settings.originalHeight = $(settings.outerSelector).height(); + adjustBrowserDims(); + } + + // Calculate the viewer x and y offsets + var viewerOffset = $(settings.outerSelector).offset(); + settings.viewerXOffset = viewerOffset.left; + settings.viewerYOffset = viewerOffset.top; + + if (settings.inFullscreen) + { + handleModeChange(false); + } + else + { + loadViewer(); + } + + // Execute the callback + executeCallback(settings.onReady, settings); + Events.publish("ViewerHasFinishedLoading", [settings]); + + // signal that everything should be set up and ready to go. + settings.loaded = true; + } + }); + }; + + var checkLoaded = function() + { + if (!settings.loaded) + { + console.warn("The viewer is not completely initialized. This is likely because it is still downloading data. To fix this, only call this function if the isReady() method returns true."); + return false; + } + return true; + }; + + var init = function () + { + // First figure out the width of the scrollbar in this browser + settings.scrollbarWidth = $.getScrollbarWidth(); + + // If window.orientation is defined, then it's probably mobileWebkit + settings.mobileWebkit = window.orientation !== undefined; + + // Generate an ID that can be used as a prefix for all the other IDs + settings.ID = $.generateId('diva-'); + settings.selector = '#' + settings.ID; + + // Figure out the hashParamSuffix from the ID + var divaNumber = parseInt(settings.ID, 10); + + if (divaNumber > 1) + { + // If this is document viewer #1, don't use a suffix; otherwise, use the document viewer number + settings.hashParamSuffix = divaNumber; + } + + // Since we need to reference these two a lot + settings.outerSelector = settings.selector + 'outer'; + settings.innerSelector = settings.selector + 'inner'; + + // Create the inner and outer panels + $(settings.parentSelector).append('<div id="' + settings.ID + 'outer" class="diva-outer"></div>'); + $(settings.outerSelector).append('<div id="' + settings.ID + 'inner" class="diva-inner diva-dragger"></div>'); + + // Create the fullscreen icon + if (settings.enableFullscreen) + { + $(settings.parentSelector).prepend('<div id="' + settings.ID + 'fullscreen" class="diva-fullscreen-icon" title="Toggle fullscreen mode"></div>'); + } + + // First, n - check if it's in range + var nParam = parseInt($.getHashParam('n' + settings.hashParamSuffix), 10); + + if (nParam >= settings.minPagesPerRow && nParam <= settings.maxPagesPerRow) + { + settings.pagesPerRow = nParam; + } + + // Now z - check that it's in range + var zParam = $.getHashParam('z' + settings.hashParamSuffix); + + if (zParam !== '') + { + // If it's empty, we don't want to change the default zoom level + zParam = parseInt(zParam, 10); + + // Can't check if it exceeds the max zoom level or not because that data is not available yet ... + if (zParam >= settings.minZoomLevel) + { + settings.zoomLevel = zParam; + } + } + + // y - vertical offset from the top of the relevant page + var yParam = parseInt($.getHashParam('y' + settings.hashParamSuffix), 10); + + if (!isNaN(yParam)) + { + settings.verticalOffset = yParam; + } + + // x - horizontal offset from the center of the page + var xParam = parseInt($.getHashParam('x' + settings.hashParamSuffix), 10); + + if (!isNaN(xParam)) + { + settings.horizontalOffset = xParam; + } + + // If the "fullscreen" hash param is true, go to fullscreen initially + // If the grid hash param is true, go to grid view initially + var gridParam = $.getHashParam('g' + settings.hashParamSuffix); + var goIntoGrid = gridParam === 'true'; + var fullscreenParam = $.getHashParam('f' + settings.hashParamSuffix); + var goIntoFullscreen = fullscreenParam === 'true'; + + settings.inGrid = (settings.inGrid && gridParam !== 'false') || goIntoGrid; + settings.inFullscreen = (settings.inFullscreen && fullscreenParam !== 'false') || goIntoFullscreen; + + // Store the height and width of the viewer (the outer div), if present + var desiredHeight = parseInt($.getHashParam('h' + settings.hashParamSuffix), 10); + var desiredWidth = parseInt($.getHashParam('w' + settings.hashParamSuffix), 10); + + // Store the minimum and maximum height too + settings.minHeight = parseInt($(settings.outerSelector).css('min-height'), 10); + settings.minWidth = parseInt($(settings.outerSelector).css('min-width'), 10); + + // Just call resize, it'll take care of bounds-checking etc + if (desiredHeight > 0 || desiredWidth > 0) + { + resizeViewer(desiredWidth, desiredHeight); + } + + // Do the initial AJAX request and viewer loading + setupViewer(); + + // Do all the plugin initialisation + initPlugins(); + + handleEvents(); + }; + + // Call the init function when this object is created. + init(); + + /* PUBLIC FUNCTIONS +=============================================== +*/ + + // Returns the title of the document, based on the directory name + this.getItemTitle = function () + { + return settings.itemTitle; + }; + + // Go to a particular page by its page number (with indexing starting at 1) + // returns True if the page number passed is valid; false if it is not. + this.gotoPageByNumber = function (pageNumber) + { + var pageIndex = pageNumber - 1; + if (isPageValid(pageIndex)) + { + gotoPage(pageIndex, 0, 0); + return true; + } + return false; + }; + + // Go to a particular page (with indexing starting at 0) + // returns True if the page index is valid; false if it is not. + this.gotoPageByIndex = function (pageIndex) + { + if (isPageValid(pageIndex)) + { + gotoPage(pageIndex, 0, 0); + return true; + } + return false; + }; + + // Returns the page index (with indexing starting at 0) + this.getCurrentPage = function () + { + console.warn("Deprecated. Use getCurrentPageIndex instead."); + return settings.currentPageIndex; + }; + + this.getNumberOfPages = function() + { + if (!checkLoaded()) + { + return false; + } + + return settings.numPages; + } + + // Returns the dimensions of a given page index at a given zoom level + this.getPageDimensionsAtZoomLevel = function(pageIdx, zoomLevel) + { + if (!checkLoaded()) + { + return false; + } + + var zoomLevel = zoomLevel - 1; // zoom levels are 1-based, but our array is 0-based; + var pg = settings.pages[pageIdx]; + var pgAtZoom = pg.d[parseInt(zoomLevel, 10)]; + return {'width': pgAtZoom.w, 'height': pgAtZoom.h} + }; + + // Returns the dimensions of the current page at the current zoom level + this.getCurrentPageDimensionsAtCurrentZoomLevel = function() + { + return this.getPageDimensionsAtZoomLevel(settings.currentPageIndex, settings.zoomLevel); + }; + + this.isReady = function() + { + return settings.loaded; + }; + + this.getCurrentPageIndex = function () + { + return settings.currentPageIndex; + }; + + this.getCurrentPageFilename = function () + { + return settings.pages[settings.currentPageIndex].f; + }; + + this.getCurrentPageNumber = function () + { + return settings.currentPageIndex + 1; + }; + + // Returns the current zoom level + this.getZoomLevel = function () + { + return settings.zoomLevel; + }; + + // gets the maximum zoom level for the entire document + this.getMaxZoomLevel = function () + { + return settings.maxZoomLevel; + }; + + // gets the max zoom level for a given page + this.getMaxZoomLevelForPage = function(pageIdx) + { + if (!checkLoaded) + { + return false; + } + + return settings.pages[pageIdx].m; + } + + this.getMinZoomLevel = function () + { + return settings.minZoomLevel; + }; + + // Use the provided zoom level (will check for validity first) + // Returns false if the zoom level is invalid, true otherwise + this.setZoomLevel = function (zoomLevel) + { + if (settings.inGrid) + { + toggleGrid(); + } + + return handleZoom(zoomLevel); + }; + + // Zoom in. Will return false if it's at the maximum zoom + this.zoomIn = function () + { + return this.setZoomLevel(settings.zoomLevel + 1); + }; + + // Zoom out. Will return false if it's at the minimum zoom + this.zoomOut = function () + { + return this.setZoomLevel(settings.zoomLevel - 1); + }; + + // Uses the isVerticallyInViewport() function, but relative to a page + // Check if something (e.g. a highlight box on a particular page) is visible + this.inViewport = function (pageNumber, topOffset, height) + { + var pageIndex = pageNumber - 1; + var top = settings.heightAbovePages[pageIndex] + topOffset; + var bottom = top + height; + + return isVerticallyInViewport(top, bottom); + }; + + // Toggle fullscreen mode + this.toggleFullscreenMode = function () + { + toggleFullscreen(); + }; + + // Enter fullscreen mode if currently not in fullscreen mode + // Returns false if in fullscreen mode initially, true otherwise + // This function will work even if enableFullscreen is set to false + this.enterFullscreenMode = function () + { + if (!settings.inFullscreen) + { + toggleFullscreen(); + return true; + } + + return false; + }; + + // Leave fullscreen mode if currently in fullscreen mode + // Returns true if in fullscreen mode intitially, false otherwise + this.leaveFullscreenMode = function () + { + if (settings.inFullscreen) + { + toggleFullscreen(); + return true; + } + + return false; + }; + + // Toggle grid view + this.toggleGridView = function () + { + toggleGrid(); + }; + + // Enter grid view if currently not in grid view + // Returns false if in grid view initially, true otherwise + this.enterGridView = function () + { + if (!settings.inGrid) { + toggleGrid(); + return true; + } + + return false; + }; + + // Leave grid view if currently in grid view + // Returns true if in grid view initially, false otherwise + this.leaveGridView = function () + { + if (settings.inGrid) + { + toggleGrid(); + return true; + } + + return false; + }; + + // Jump to a page based on its filename + // Returns true if successful and false if the filename is invalid + this.gotoPageByName = function (filename) + { + var pageIndex = getPageIndex(filename); + if (isPageValid(pageIndex)) + { + gotoPage(pageIndex, 0, 0); + return true; + } + + return false; + }; + + // Get the page index (0-based) corresponding to a given filename + // If the page index doesn't exist, this will return -1 + this.getPageIndex = function (filename) + { + return getPageIndex(filename); + }; + + // Get the current URL (exposes the private method) + this.getCurrentURL = function () + { + return getCurrentURL(); + }; + + // Get the hash part only of the current URL (without the leading #) + this.getURLHash = function () + { + return getURLHash(); + }; + + // Get an object representing the state of this diva instance (for setState) + this.getState = function () + { + return getState(); + }; + + // Get the instance selector for this instance, since it's auto-generated. + this.getInstanceSelector = function () + { + return settings.selector; + }; + + // Get the instance ID -- essentially the selector without the leading '#'. + this.getInstanceId = function() + { + return settings.ID; + }; + + this.getSettings = function() + { + return settings; + }; + + // Align this diva instance with a state object (as returned by getState) + this.setState = function (state) + { + var pageIndex; + + // If we need to resize the viewer, do that first + resizeViewer(state.w, state.h); + + // Only change settings.goDirectlyTo if state.i or state.p is valid + pageIndex = getPageIndex(state.i); + + if (isPageValid(pageIndex)) + { + settings.goDirectlyTo = pageIndex; + } + else if (isPageValid(state.p)) + { + settings.goDirectlyTo = state.p; + } + + settings.horizontalOffset = parseInt(state.x, 10); + settings.verticalOffset = parseInt(state.y, 10); + + // Only change the zoom if state.z is valid + if (state.z >= settings.minZoomLevel && state.z <= settings.maxZoomLevel) + { + settings.zoomLevel = state.z; + } + + // Only change the pages per row setting if state.n is valid + if (state.n >= settings.minPagesPerRow && state.n <= settings.maxPagesPerRow) + { + settings.pagesPerRow = state.n; + } + + if (settings.inFullscreen !== state.f) + { + // The parameter determines if we need to change the view as well + settings.inFullscreen = state.f; + handleModeChange(settings.inGrid !== state.g); + } + else + { + // Don't need to change the mode, may need to change view + if (settings.inGrid !== state.g) + { + settings.inGrid = state.g; + handleViewChange(); + } + else + { + // Reload the viewer, just in case + loadViewer(); + } + } + }; + + // Resizes the outer div to the specified width and height + this.resize = function (newWidth, newHeight) + { + resizeViewer(newWidth, newHeight); + loadViewer(); + }; + + // Destroys this instance, tells plugins to do the same (for testing) + this.destroy = function () + { + // Removes the hide-scrollbar class from the body + $('body').removeClass('diva-hide-scrollbar'); + + // Empty the parent container and remove any diva-related data + $(settings.parentSelector).empty().removeData('diva'); + + // Call the destroy function for all the enabled plugins (if it exists) + $.each(settings.plugins, function (index, plugin) + { + executeCallback(plugin.destroy); + }); + + // Remove any additional styling on the parent element + $(settings.parentSelector).removeAttr('style').removeAttr('class'); + }; + }; + + $.fn.diva = function (options) + { + return this.each(function () + { + var element = $(this); + + // Return early if this element already has a plugin instance + if (element.data('diva')) + { + return; + } + + // Save the reference to the container element + options.parentSelector = element; + + // Otherwise, instantiate the document viewer + var diva = new Diva(this, options); + element.data('diva', diva); + }); + }; + +})(jQuery); \ No newline at end of file
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