Mercurial > hg > digilib-old
changeset 1015:5b7fd3515e4c
set maxImgSize for embedded mode
author | hertzhaft |
---|---|
date | Sat, 18 Feb 2012 19:25:03 +0100 |
parents | 3441e22e2233 |
children | 168e8aa7e9a5 |
files | webapp/src/main/webapp/jquery/jquery.digilib.js |
diffstat | 1 files changed, 124 insertions(+), 124 deletions(-) [+] |
line wrap: on
line diff
--- a/webapp/src/main/webapp/jquery/jquery.digilib.js Sat Feb 18 18:58:49 2012 +0100 +++ b/webapp/src/main/webapp/jquery/jquery.digilib.js Sat Feb 18 19:25:03 2012 +0100 @@ -131,13 +131,13 @@ var isFullscreen = settings.interactionMode === 'fullscreen'; var queryParams = {}; if (isFullscreen) { - queryParams = parseQueryParams(); - // filter additional parameters - for (var p in queryParams) { - if ($.inArray(p, settings.digilibParamNames) < 0) { - settings.additionalParamNames.push(p); - } - } + queryParams = parseQueryParams(); + // filter additional parameters + for (var p in queryParams) { + if ($.inArray(p, settings.digilibParamNames) < 0) { + settings.additionalParamNames.push(p); + } + } } return this.each(function() { var $elem = $(this); @@ -177,8 +177,8 @@ // store in jQuery data element $elem.data('digilib', data); } else { - // data exists - elemSettings = data.settings; + // data exists + elemSettings = data.settings; } unpackParams(data); // list of current insets (dynamic for buttons etc.) @@ -207,7 +207,7 @@ elemSettings.digilibBaseUrl = url.substring(0, pos); } } else { - // may be we got the scaler URL from the img + // may be we got the scaler URL from the img var url = elemSettings.scalerBaseUrl; if (url) { // build it from scaler URL @@ -218,9 +218,9 @@ } // check scaler base URL if (elemSettings.scalerBaseUrl == null) { - if (elemSettings.digilibBaseUrl) { - elemSettings.scalerBaseUrl = elemSettings.digilibBaseUrl + '/servlet/Scaler'; - } + if (elemSettings.digilibBaseUrl) { + elemSettings.scalerBaseUrl = elemSettings.digilibBaseUrl + '/servlet/Scaler'; + } } // set up event handlers $(data).on('update', handleUpdate); // handleUpdate needs to be the first handler for update @@ -229,7 +229,7 @@ for (n in plugins) { var p = plugins[n]; if (typeof p.init === 'function') { - // call the plugins init() method + // call the plugins init() method p.init(data); } } @@ -821,34 +821,34 @@ // change url without reloading (stateObj, title, url) // TODO: we really need to push the state in stateObj and listen to pop-events try { - history.replaceState({}, '', url); - // show busy cursor - $('body').css('cursor', 'progress'); - data.$scaler.css('cursor', 'progress'); - // change img src - var $img = data.$img; - var imgurl = getScalerUrl(data); - $img.attr('src', imgurl); - // trigger load event if image is cached. Doesn't work with Firefox!! - if (data.hasCachedComplete && $img.prop('complete')) { - console.debug("cached img.load"); - $img.trigger('load'); - } - if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { - // we need image info, do we have it? - if (data.imgInfo == null) { - loadImageInfo(data); - } - } - // update if we have a preview - if (data.hasPreviewBg) { - $(data).trigger('update'); - } - //FIXME: highlightButtons(data); - // send event - $(data).trigger('redisplay'); + history.replaceState({}, '', url); + // show busy cursor + $('body').css('cursor', 'progress'); + data.$scaler.css('cursor', 'progress'); + // change img src + var $img = data.$img; + var imgurl = getScalerUrl(data); + $img.attr('src', imgurl); + // trigger load event if image is cached. Doesn't work with Firefox!! + if (data.hasCachedComplete && $img.prop('complete')) { + console.debug("cached img.load"); + $img.trigger('load'); + } + if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { + // we need image info, do we have it? + if (data.imgInfo == null) { + loadImageInfo(data); + } + } + // update if we have a preview + if (data.hasPreviewBg) { + $(data).trigger('update'); + } + //FIXME: highlightButtons(data); + // send event + $(data).trigger('redisplay'); } catch (e) { - console.error("replaceState("+url+") didn't work: "+e); + console.error("replaceState("+url+") didn't work: "+e); // reload window window.location = url; } @@ -858,20 +858,20 @@ } } else { // embedded mode -- just change img src - // show busy cursor - $('body').css('cursor', 'progress'); - data.$scaler.css('cursor', 'progress'); - var $img = data.$img; + // show busy cursor + $('body').css('cursor', 'progress'); + data.$scaler.css('cursor', 'progress'); + var $img = data.$img; var url = getScalerUrl(data); $img.attr('src', url); - // trigger load event if image is cached - if ($img.prop('complete')) $img.trigger('load'); - if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { - // we need image info, do we have it? - if (data.imgInfo == null) { - loadImageInfo(data); - } - } + // trigger load event if image is cached + if ($img.prop('complete')) $img.trigger('load'); + if (data.scalerFlags.clip != null || data.scalerFlags.osize != null) { + // we need image info, do we have it? + if (data.imgInfo == null) { + loadImageInfo(data); + } + } //FIXME: highlightButtons(data); // send event $(data).trigger('redisplay'); @@ -890,7 +890,7 @@ * updates image transform, etc. */ var handleUpdate = function (evt) { - var data = this; + var data = this; updateImgTrafo(data); setupZoomDrag(data); }; @@ -949,6 +949,7 @@ $img = $('<img/>'); } else { // embedded mode -- try to keep img tag + data.maxImgSize = geom.rectangle($elem).getSize(); $elem.addClass(cssPrefix+'embedded'); scalerUrl = getScalerUrl(data); $img = $elem.find('img'); @@ -980,7 +981,7 @@ data.$img = $img; // set busy cursor $('body').css('cursor','progress'); - data.$scaler.css('cursor', 'progress'); + data.$scaler.css('cursor', 'progress'); // set up image load handler before setting the src attribute (IE bug) $img.load(scalerImgLoadedHandler(data)); $img.error(function () {console.error("error loading scaler image");}); @@ -1006,7 +1007,7 @@ logoUrl = settings.logoUrl; // make relative logoUrl absolute if (logoUrl.charAt(0) !== '/' && logoUrl.substring(0,3) !== 'http') { - logoUrl = settings.digilibBaseUrl + '/' + logoUrl; + logoUrl = settings.digilibBaseUrl + '/' + logoUrl; } $logo.attr('src', logoUrl); $link.attr('href', settings.homeUrl); @@ -1105,12 +1106,12 @@ ? $img.prop('width') > 0 : $img.prop('complete'); if (imgLoaded || data.hasPreviewBg) { - // create Transform from current zoomArea and image size - data.imgTrafo = getImgTrafo($img, data.zoomArea, data.settings.rot, - data.scalerFlags.hmir, data.scalerFlags.vmir, - data.scaleMode, data); - console.debug("updateImgTrafo: ", data.imgTrafo); - } + // create Transform from current zoomArea and image size + data.imgTrafo = getImgTrafo($img, data.zoomArea, data.settings.rot, + data.scalerFlags.hmir, data.scalerFlags.vmir, + data.scaleMode, data); + console.debug("updateImgTrafo: ", data.imgTrafo); + } }; /** return handler for load event of scaler img @@ -1123,9 +1124,9 @@ var $scaler = data.$scaler; var imgRect = geom.rectangle($img); data.imgRect = imgRect; - // reset busy cursor - $('body').css('cursor', 'auto'); - $scaler.css('cursor', 'auto'); + // reset busy cursor + $('body').css('cursor', 'auto'); + $scaler.css('cursor', 'auto'); // adjust scaler div size (beware: setting position makes the element relative) imgRect.getSize().adjustDiv($scaler); // show image in case it was hidden (for example in zoomDrag) @@ -1141,7 +1142,7 @@ * */ var handleImageInfo = function (evt, json) { - console.debug("handleImageInfo:", json); + console.debug("handleImageInfo:", json); var data = this; updateDisplay(data); }; @@ -1150,14 +1151,13 @@ * */ var handleChangeZoomArea = function (evt, newZa) { - console.debug("handleChangeZoomArea:", newZa); - var data = this; - // hide all overlays (marks/regions) + console.debug("handleChangeZoomArea:", newZa); + var data = this; + // hide all overlays (marks/regions) data.$elem.find('.'+data.settings.cssPrefix+'overlay').hide(); - setPreviewBg(data, newZa); + setPreviewBg(data, newZa); }; - - + /** zoom by the given factor. * */ @@ -1258,40 +1258,40 @@ $img.css('visibility', 'hidden'); // use current image as first background var scalerCss = { - 'background-image' : 'url(' + $img.attr('src') + ')', + 'background-image' : 'url(' + $img.attr('src') + ')', 'background-repeat' : 'no-repeat', 'background-position' : '0px 0px', 'opacity' : '0.7', 'cursor' : 'move' }; if (newZoomArea != null) { - // check if aspect ratio has changed - if (Math.abs(newZoomArea.getAspect() - data.zoomArea.getAspect()) > 0.001 ) { - var newRect = data.imgTrafo.transform(newZoomArea); - var newAspect = newRect.getAspect(); - var newSize = data.maxImgSize.fitAspect(newAspect); - // set scaler to presumed new size - newSize.adjustDiv($scaler); - console.debug("adjusting aspect ratio for preview", data.maxImgSize, newSize); - } - // get transform for new zoomArea (use 'screen' instead of data.scaleMode) - imgTrafo = getImgTrafo($scaler, newZoomArea, data.settings.rot, - data.scalerFlags.hmir, data.scalerFlags.vmir, - 'screen', data); - // for new background coordinates transform old zoomArea with new Transform - bgRect = imgTrafo.transform(data.zoomArea); - // correct offset because background is relative - bgRect.addPosition(scalerPos.neg()); - // position background - scalerCss['background-position'] = Math.round(bgRect.x) + 'px '+ Math.round(bgRect.y) + 'px'; + // check if aspect ratio has changed + if (Math.abs(newZoomArea.getAspect() - data.zoomArea.getAspect()) > 0.001 ) { + var newRect = data.imgTrafo.transform(newZoomArea); + var newAspect = newRect.getAspect(); + var newSize = data.maxImgSize.fitAspect(newAspect); + // set scaler to presumed new size + newSize.adjustDiv($scaler); + console.debug("adjusting aspect ratio for preview", data.maxImgSize, newSize); + } + // get transform for new zoomArea (use 'screen' instead of data.scaleMode) + imgTrafo = getImgTrafo($scaler, newZoomArea, data.settings.rot, + data.scalerFlags.hmir, data.scalerFlags.vmir, + 'screen', data); + // for new background coordinates transform old zoomArea with new Transform + bgRect = imgTrafo.transform(data.zoomArea); + // correct offset because background is relative + bgRect.addPosition(scalerPos.neg()); + // position background + scalerCss['background-position'] = Math.round(bgRect.x) + 'px '+ Math.round(bgRect.y) + 'px'; } if (data.hasBgSize) { - // scale background using CSS3-background-size - if (bgRect != null && (bgRect.height < data.settings.maxBgSize && bgRect.width < data.settings.maxBgSize)) { - scalerCss[data.bgSizeName] = Math.round(bgRect.width) + 'px ' + Math.round(bgRect.height) + 'px'; - } else { - scalerCss[data.bgSizeName] = 'auto'; - } + // scale background using CSS3-background-size + if (bgRect != null && (bgRect.height < data.settings.maxBgSize && bgRect.width < data.settings.maxBgSize)) { + scalerCss[data.bgSizeName] = Math.round(bgRect.width) + 'px ' + Math.round(bgRect.height) + 'px'; + } else { + scalerCss[data.bgSizeName] = 'auto'; + } // additional full-size background using CSS3 fullRect = imgTrafo.transform(FULL_AREA); if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { @@ -1307,7 +1307,7 @@ $scaler.css(scalerCss); data.hasPreviewBg = true; }; - + /** setup handlers for dragging the zoomed image. * */ @@ -1321,8 +1321,8 @@ // drag the image and load a new detail on mouse up var dragStart = function (evt) { - // cancel if not left-click - if (evt.which != 1) return; + // cancel if not left-click + if (evt.which != 1) return; console.debug("dragstart at=", evt); // don't start dragging if not zoomed if (isFullArea(data.zoomArea)) return false; @@ -1447,13 +1447,13 @@ * */ var getFitMode = function (data) { - if (data.dlOpts.fitwidth != null) { - return "width"; - } else if (data.dlOpts.fitheight != null) { - return "height"; - } - // "both" is default - return "both"; + if (data.dlOpts.fitwidth != null) { + return "width"; + } else if (data.dlOpts.fitheight != null) { + return "height"; + } + // "both" is default + return "both"; }; /** @@ -1462,32 +1462,32 @@ var setFitMode = function (data, mode) { var settings = data.settings; var imgSize = data.maxImgSize; - if (mode === 'width') { - data.dlOpts.fitwidth = 1; - delete data.dlOpts.fitheight; - if (imgSize != null) { - // fitwidth omits destination height - settings.dw = imgSize.width; - settings.dh = null; - } - } else if (mode === 'height') { - data.dlOpts.fitheight = 1; - delete data.dlOpts.fitwidth; + if (mode === 'width') { + data.dlOpts.fitwidth = 1; + delete data.dlOpts.fitheight; + if (imgSize != null) { + // fitwidth omits destination height + settings.dw = imgSize.width; + settings.dh = null; + } + } else if (mode === 'height') { + data.dlOpts.fitheight = 1; + delete data.dlOpts.fitwidth; if (imgSize != null) { // fitheight omits destination width settings.dw = null; settings.dh = imgSize.height; } - } else { - delete data.dlOpts.fitwidth; - delete data.dlOpts.fitheight; + } else { + delete data.dlOpts.fitwidth; + delete data.dlOpts.fitheight; if (imgSize != null) { settings.dw = imgSize.width; settings.dh = imgSize.height; } - } + } }; - + /** sets a key to a value (relative values with +/- if relative=true). * */