# HG changeset patch
# User casties
# Date 1562335557 -7200
# Node ID 719475ad09238dec79927ce6a0a7b09d055183f5
# Parent 81f761f9c015c3e8370ddb95eef7dd8efc981908
more work on new diva.js in imageServer
diff -r 81f761f9c015 -r 719475ad0923 src/main/webapp/imageServer/displayDigi.jsp
--- 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 @@
' + settings.pageTools + '
');
-
- // 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('
');
- } 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('');
-
- // 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('
');
-
- // 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('
' : '';
- var linkIconHTML = (settings.enableLinkIcon) ? '
' : '';
- var zoomSliderHTML = (settings.enableZoomSlider) ? '
' : '';
- var gridSliderHTML = (settings.enableGridSlider) ? '
' : '';
- var gotoPageHTML = (settings.enableGotoPage) ? '' : '';
- var zoomSliderLabelHTML = (settings.enableZoomSlider) ? 'Zoom level: ' + settings.zoomLevel + '
' : '';
- var gridSliderLabelHTML = (settings.enableGridSlider) ? 'Pages per row: ' + settings.pagesPerRow + '
' : '';
- var pageNumberHTML = 'Page 1 of ' + settings.numPages + '
';
-
- // 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 = '' + zoomSliderHTML + gridSliderHTML + zoomSliderLabelHTML + gridSliderLabelHTML + '
';
-
- if (settings.toolbarParentSelector)
- {
- $(settings.toolbarParentSelector).prepend('' + toolbarHTML + '
');
- }
- else
- {
- $(settings.parentSelector).prepend('' + toolbarHTML + '
');
- }
-
- // 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('');
-
- 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('
');
-
- // 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 = '' + pageTools.join('') + '
';
- }
- }
- };
-
- 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 = '
';
- $(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('' + settings.itemTitle + '
');
- }
-
- // 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('
');
- $(settings.outerSelector).append('
');
-
- // Create the fullscreen icon
- if (settings.enableFullscreen)
- {
- $(settings.parentSelector).prepend('
');
- }
-
- // First, n - check if it's in range
- var nParam = parseInt($.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);
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-
- // Do the initial AJAX request and viewer loading
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-
- // 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)
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- 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;
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-
- // Leave fullscreen mode if currently in fullscreen mode
- // Returns true if in fullscreen mode intitially, false otherwise
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- {
- if (settings.inFullscreen)
- {
- toggleFullscreen();
- return true;
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-
- return false;
- };
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- // Toggle grid view
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- {
- 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)
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- settings.inFullscreen = state.f;
- handleModeChange(settings.inGrid !== state.g);
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- else
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- }
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- };
-
- // Resizes the outer div to the specified width and height
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- resizeViewer(newWidth, newHeight);
- loadViewer();
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-
- // Destroys this instance, tells plugins to do the same (for testing)
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- // Removes the hide-scrollbar class from the body
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-
- // Empty the parent container and remove any diva-related data
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-
- // Call the destroy function for all the enabled plugins (if it exists)
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- executeCallback(plugin.destroy);
- });
-
- // Remove any additional styling on the parent element
- $(settings.parentSelector).removeAttr('style').removeAttr('class');
- };
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-
- $.fn.diva = function (options)
- {
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- {
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-
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-
- // 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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this.settings.threshold?this.settings.threshold.call(this,e,t):this.settings.threshold},s.prototype._start=function(e,t){this.mouseDown=!0,this.velocity=this.prevXPos=0,this.velocityY=this.prevYPos=0,this.xpos=e,this.ypos=t},s.prototype._resetMouse=function(){this.xpos=!1,this.ypos=!1,this.mouseDown=!1},s.prototype._decelerateVelocity=function(e,t){return 0===Math.floor(Math.abs(e))?0:e*t},s.prototype._capVelocity=function(e,t){var i=e;return e>0?e>t&&(i=t):e<0-t&&(i=0-t),i},s.prototype._setMoveClasses=function(e){var t=this.settings,i=this.el;i.classList.remove(t.movingClass.up),i.classList.remove(t.movingClass.down),i.classList.remove(t.movingClass.left),i.classList.remove(t.movingClass.right),i.classList.remove(t.deceleratingClass.up),i.classList.remove(t.deceleratingClass.down),i.classList.remove(t.deceleratingClass.left),i.classList.remove(t.deceleratingClass.right),this.velocity>0&&i.classList.add(e.right),this.velocity<0&&i.classList.add(e.left),this.velocityY>0&&i.classList.add(e.down),this.velocityY<0&&i.classList.add(e.up)},s.prototype._move=function(){var t=this._getScroller(),i=this,s=this.settings;s.x&&t.scrollWidth>0?(this.scrollLeft(this.scrollLeft()+this.velocity),Math.abs(this.velocity)>0&&(this.velocity=s.decelerate?i._decelerateVelocity(this.velocity,s.slowdown):this.velocity)):this.velocity=0,s.y&&t.scrollHeight>0?(this.scrollTop(this.scrollTop()+this.velocityY),Math.abs(this.velocityY)>0&&(this.velocityY=s.decelerate?i._decelerateVelocity(this.velocityY,s.slowdown):this.velocityY)):this.velocityY=0,i._setMoveClasses(s.deceleratingClass),"function"==typeof s.moved&&s.moved.call(this,s),Math.abs(this.velocity)>0||Math.abs(this.velocityY)>0?this.moving||(this.moving=!0,e(function(){i.moving=!1,i._move()})):i.stop()},s.prototype._getScroller=function(){return this.el},s.prototype.scrollLeft=function(e){var t=this._getScroller();if("number"!=typeof e)return t.scrollLeft;t.scrollLeft=e,this.settings.scrollLeft=e},s.prototype.scrollTop=function(e){var t=this._getScroller();if("number"!=typeof e)return t.scrollTop;t.scrollTop=e,this.settings.scrollTop=e},s.prototype._attachListeners=function(){var e=this.el,i=this.settings;t&&(e.addEventListener("touchstart",i.events.touchStart,!1),e.addEventListener("touchend",i.events.inputEnd,!1),e.addEventListener("touchmove",i.events.touchMove,!1)),e.addEventListener("mousedown",i.events.inputDown,!1),e.addEventListener("mouseup",i.events.inputEnd,!1),e.addEventListener("mousemove",i.events.inputMove,!1),e.addEventListener("click",i.events.inputClick,!1),e.addEventListener("scroll",i.events.scroll,!1),e.addEventListener("selectstart",i.events.selectStart,!1),e.addEventListener("dragstart",i.events.dragStart,!1)},s.prototype._detachListeners=function(){var e=this.el,i=this.settings;t&&(e.removeEventListener("touchstart",i.events.touchStart,!1),e.removeEventListener("touchend",i.events.inputEnd,!1),e.removeEventListener("touchmove",i.events.touchMove,!1)),e.removeEventListener("mousedown",i.events.inputDown,!1),e.removeEventListener("mouseup",i.events.inputEnd,!1),e.removeEventListener("mousemove",i.events.inputMove,!1),e.removeEventListener("click",i.events.inputClick,!1),e.removeEventListener("scroll",i.events.scroll,!1),e.removeEventListener("selectstart",i.events.selectStart,!1),e.removeEventListener("dragstart",i.events.dragStart,!1)},window.VanillaKinetic=s}()},function(e,t,i){var s,n,o;
+/**
+ * @fileoverview dragscroll - scroll area by dragging
+ * @version 0.0.8
+ *
+ * @license MIT, see http://github.com/asvd/dragscroll
+ * @copyright 2015 asvd
+ */n=[t],void 0===(o="function"==typeof(s=function(e){var t,i,s=window,n=document,o=[],r=function(e,r){for(e=0;e1)for(var i=1;i0)return function(e){if((e=String(e)).length>100)return;var t=/^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(e);if(!t)return;var a=parseFloat(t[1]);switch((t[2]||"ms").toLowerCase()){case"years":case"year":case"yrs":case"yr":case"y":return a*r;case"days":case"day":case"d":return a*o;case"hours":case"hour":case"hrs":case"hr":case"h":return a*n;case"minutes":case"minute":case"mins":case"min":case"m":return a*s;case"seconds":case"second":case"secs":case"sec":case"s":return a*i;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return a;default:return}}(e);if("number"===l&&!1===isNaN(e))return t.long?function(e){return a(e,o,"day")||a(e,n,"hour")||a(e,s,"minute")||a(e,i,"second")||e+" ms"}(e):function(e){if(e>=o)return Math.round(e/o)+"d";if(e>=n)return 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i=u(e,t);return c(i,t),function(e){for(var n=[],o=0;o0;let o=s.length;for(;o--;)if(s[o]===e[1])return this._cache[i][n].splice(o,1),!0}return!1}unsubscribeAll(e){if(e){const t=Object.keys(this._cache);let i,s=t.length;for(;s--;)i=t[s],void 0!==this._cache[i][e]&&delete this._cache[i][e]}else this._cache={}}}};var u={onDoubleClick:function(e,t){e.addEventListener("dblclick",function(e){e.ctrlKey||t(e,m(e.currentTarget,e))});const i=f(d);e.addEventListener("contextmenu",function(e){e.preventDefault(),e.ctrlKey&&(i.isTriggered()?(i.reset(),t(e,m(e.currentTarget,e))):i.trigger())})},onPinch:function(e,t){let 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);ot,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{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{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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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{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 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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);iperformance.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 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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{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 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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+". 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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(et.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):et.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=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;i0&&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"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;ee[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.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-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 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Use gotoPageByURI instead.");const s=this._getPageIndex(e);return this._gotoPageByIndex(s,t,i)}gotoPageByURI(e,t,i){const s=this._getPageIndex(e);return this._gotoPageByIndex(s,t,i)}hasOtherImages(e){return!0===this.settings.manifest.pages[e].otherImages}hideNonPagedPages(){this._reloadViewer({showNonPagedPages:!1})}isInFullscreen(){return this.settings.inFullscreen}isPageIndexValid(e){return this._isPageIndexValid(e)}isPageInViewport(e){return this.viewerState.renderer.isPageVisible(e)}isReady(){return this.viewerState.loaded}isRegionInViewport(e,t,i,s,n){const o=this.divaState.viewerCore.getCurrentLayout();if(!o)return!1;const r=o.getPageOffset(e),a=r.top+i,l=r.left+t;return this.viewerState.viewport.intersectsRegion({top:a,bottom:a+n,left:l,right:l+s})}isVerticallyOriented(){return this.settings.verticallyOriented}leaveFullscreenMode(){return!!this.settings.inFullscreen&&(this._toggleFullscreen(),!0)}leaveGridView(){return!!this.settings.inGrid&&(this._reloadViewer({inGrid:!1}),!0)}setGridPagesPerRow(e){return!!this.divaState.viewerCore.isValidOption("pagesPerRow",e)&&this._reloadViewer({inGrid:!0,pagesPerRow:e})}setState(e){this._reloadViewer(this._getLoadOptionsForState(e))}setZoomLevel(e){return this.settings.inGrid&&this._reloadViewer({inGrid:!1}),this.divaState.viewerCore.zoom(e)}showNonPagedPages(){this._reloadViewer({showNonPagedPages:!0})}toggleFullscreenMode(){this._toggleFullscreen()}toggleNonPagedPagesVisibility(){this._reloadViewer({showNonPagedPages:!this.settings.showNonPagedPages})}toggleOrientation(){return this._togglePageLayoutOrientation()}translateFromMaxZoomLevel(e){const t=this.settings.maxZoomLevel-this.settings.zoomLevel;return e/Math.pow(2,t)}translateToMaxZoomLevel(e){const t=this.settings.maxZoomLevel-this.settings.zoomLevel;return 0===t?e:e*Math.pow(2,t)}zoomIn(){return this.setZoomLevel(this.settings.zoomLevel+1)}zoomOut(){return this.setZoomLevel(this.settings.zoomLevel-1)}}t.default=fe;!function(e){e.Diva=e.Diva||fe,e.Diva.Events=c.Events}(window)}]);
+//# sourceMappingURL=diva.js.map
\ No newline at end of file
diff -r 81f761f9c015 -r 719475ad0923 src/main/webapp/imageServer/resources/js/diva.js.map
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/webapp/imageServer/resources/js/diva.js.map Fri Jul 05 16:05:57 2019 +0200
@@ -0,0 +1,1 @@
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t.singleton||(t.singleton=n()),t.insertInto||(t.insertInto=\"head\"),t.insertAt||(t.insertAt=\"bottom\");var i=u(e,t);return c(i,t),function(e){for(var n=[],o=0;o0;let o=s.length;for(;o--;)if(s[o]===e[1])return this._cache[i][n].splice(o,1),!0}return!1}unsubscribeAll(e){if(e){const t=Object.keys(this._cache);let i,s=t.length;for(;s--;)i=t[s],void 0!==this._cache[i][e]&&delete this._cache[i][e]}else this._cache={}}}};var u={onDoubleClick:function(e,t){e.addEventListener(\"dblclick\",function(e){e.ctrlKey||t(e,m(e.currentTarget,e))});const i=f(d);e.addEventListener(\"contextmenu\",function(e){e.preventDefault(),e.ctrlKey&&(i.isTriggered()?(i.reset(),t(e,m(e.currentTarget,e))):i.trigger())})},onPinch:function(e,t){let 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);ot,reset(){t=!1,s()}};function s(){null!==i&&(clearTimeout(i),i=null)}}function m(e,t){const 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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{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{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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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{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);iperformance.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 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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{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{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 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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=i}hasHorizontalOverlap(e){const t=this.left-this.intersectionTolerance,i=this.right+this.intersectionTolerance;return 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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(et.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):et.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=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;i0&&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\"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;ee[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.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-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 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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 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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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\ No newline at end of file
diff -r 81f761f9c015 -r 719475ad0923 src/main/webapp/imageServer/resources/js/diva.min.js
--- a/src/main/webapp/imageServer/resources/js/diva.min.js Mon Jul 01 15:05:05 2019 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,125 +0,0 @@
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+ {
+ 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('' + settings.pageTools + '
');
+
+ // 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('
');
+ } 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('');
+
+ // 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('
');
+
+ // 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('
' : '';
+ var linkIconHTML = (settings.enableLinkIcon) ? '
' : '';
+ var zoomSliderHTML = (settings.enableZoomSlider) ? '
' : '';
+ var gridSliderHTML = (settings.enableGridSlider) ? '
' : '';
+ var gotoPageHTML = (settings.enableGotoPage) ? '' : '';
+ var zoomSliderLabelHTML = (settings.enableZoomSlider) ? 'Zoom level: ' + settings.zoomLevel + '
' : '';
+ var gridSliderLabelHTML = (settings.enableGridSlider) ? 'Pages per row: ' + settings.pagesPerRow + '
' : '';
+ var pageNumberHTML = 'Page 1 of ' + settings.numPages + '
';
+
+ // 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 = '' + zoomSliderHTML + gridSliderHTML + zoomSliderLabelHTML + gridSliderLabelHTML + '
';
+
+ if (settings.toolbarParentSelector)
+ {
+ $(settings.toolbarParentSelector).prepend('' + toolbarHTML + '
');
+ }
+ else
+ {
+ $(settings.parentSelector).prepend('' + toolbarHTML + '
');
+ }
+
+ // 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('');
+
+ 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('
');
+
+ // 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 = '' + pageTools.join('') + '
';
+ }
+ }
+ };
+
+ 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 = '
';
+ $(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('' + settings.itemTitle + '
');
+ }
+
+ // 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('
');
+ $(settings.outerSelector).append('
');
+
+ // Create the fullscreen icon
+ if (settings.enableFullscreen)
+ {
+ $(settings.parentSelector).prepend('
');
+ }
+
+ // First, n - check if it's in range
+ var nParam = parseInt($.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
diff -r 81f761f9c015 -r 719475ad0923 src/main/webapp/imageServer/resources/js/vendor/diva-old.min.css
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/webapp/imageServer/resources/js/vendor/diva-old.min.css Fri Jul 05 16:05:57 2019 +0200
@@ -0,0 +1,1 @@
+.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 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\ No newline at end of file
diff -r 81f761f9c015 -r 719475ad0923 src/main/webapp/imageServer/resources/js/vendor/diva-old.min.js
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/webapp/imageServer/resources/js/vendor/diva-old.min.js Fri Jul 05 16:05:57 2019 +0200
@@ -0,0 +1,125 @@
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