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/* global Gallery */ |
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(function ($, _, OC, t, Gallery) { |
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"use strict"; |
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/** |
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* Builds and updates the Gallery view |
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* |
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* @constructor |
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*/ |
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var View = function () { |
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this.element = $('#gallery'); |
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this.loadVisibleRows.loading = false; |
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this.breadcrumb = new Gallery.Breadcrumb(); |
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}; |
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View.prototype = { |
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element: null, |
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breadcrumb: null, |
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requestId: -1, |
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/** |
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* Removes all thumbnails from the view |
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*/ |
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clear: function () { |
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// We want to keep all the events |
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this.element.children().detach(); |
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Gallery.showLoading(); |
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}, |
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/** |
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* @param {string} path |
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* @returns {boolean} |
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*/ |
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_isValidPath: function(path) { |
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var sections = path.split('/'); |
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for (var i = 0; i < sections.length; i++) { |
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if (sections[i] === '..') { |
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return false; |
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} |
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} |
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return path.toLowerCase().indexOf(decodeURI('%0a')) === -1 && |
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path.toLowerCase().indexOf(decodeURI('%00')) === -1; |
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}, |
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/** |
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* Populates the view if there are images or albums to show |
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* |
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* @param {string} albumPath |
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*/ |
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init: function (albumPath) { |
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// Set path to an empty value if not a valid one |
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if(!this._isValidPath(albumPath)) { |
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albumPath = ''; |
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} |
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// Only do it when the app is initialised |
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if (this.requestId === -1) { |
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this._initButtons(); |
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} |
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if ($.isEmptyObject(Gallery.imageMap)) { |
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this.clear(); |
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if (albumPath === '') { |
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Gallery.showEmpty(); |
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} else { |
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Gallery.showEmptyFolder(); |
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this.hideButtons(); |
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Gallery.currentAlbum = albumPath; |
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var availableWidth = $(window).width() - Gallery.buttonsWidth; |
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this.breadcrumb.init(albumPath, availableWidth); |
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Gallery.config.albumDesign = null; |
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} |
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} else { |
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this.viewAlbum(albumPath); |
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} |
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this._setBackgroundColour(); |
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}, |
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/** |
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* Starts the slideshow |
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* |
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* @param {string} path |
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* @param {string} albumPath |
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*/ |
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startSlideshow: function (path, albumPath) { |
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var album = Gallery.albumMap[albumPath]; |
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var images = album.images; |
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var startImage = Gallery.imageMap[path]; |
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Gallery.slideShow(images, startImage, false); |
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}, |
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/** |
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* Sets up the controls and starts loading the gallery rows |
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* |
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* @param {string|null} albumPath |
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*/ |
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viewAlbum: function (albumPath) { |
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albumPath = albumPath || ''; |
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if (!Gallery.albumMap[albumPath]) { |
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return; |
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} |
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this.clear(); |
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$('#loading-indicator').show(); |
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if (albumPath !== Gallery.currentAlbum) { |
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this.loadVisibleRows.loading = false; |
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Gallery.currentAlbum = albumPath; |
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this._setupButtons(albumPath); |
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} |
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Gallery.albumMap[albumPath].viewedItems = 0; |
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Gallery.albumMap[albumPath].preloadOffset = 0; |
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// Each request has a unique ID, so that we can track which request a row belongs to |
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this.requestId = Math.random(); |
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Gallery.albumMap[Gallery.currentAlbum].requestId = this.requestId; |
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// Loading rows without blocking the execution of the rest of the script |
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setTimeout(function () { |
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this.loadVisibleRows.activeIndex = 0; |
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this.loadVisibleRows(Gallery.albumMap[Gallery.currentAlbum], Gallery.currentAlbum); |
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}.bind(this), 0); |
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}, |
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/** |
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* Manages the sorting interface |
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* |
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* @param {string} sortType name or date |
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* @param {string} sortOrder asc or des |
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*/ |
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sortControlsSetup: function (sortType, sortOrder) { |
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var reverseSortType = 'date'; |
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if (sortType === 'date') { |
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reverseSortType = 'name'; |
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} |
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this._setSortButton(sortType, sortOrder, true); |
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this._setSortButton(reverseSortType, 'asc', false); // default icon |
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}, |
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/** |
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* Loads and displays gallery rows on screen |
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* |
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* @param {Album} album |
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* @param {string} path |
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* |
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* @returns {boolean|null|*} |
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*/ |
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loadVisibleRows: function (album, path) { |
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var view = this; |
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// If the row is still loading (state() = 'pending'), let it load |
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if (this.loadVisibleRows.loading && |
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this.loadVisibleRows.loading.state() !== 'resolved') { |
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return this.loadVisibleRows.loading; |
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} |
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/** |
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* At this stage, there is no loading taking place (loading = false|null), so we can |
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* look for new rows |
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*/ |
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var scroll = $('#content-wrapper').scrollTop() + $(window).scrollTop(); |
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// 2 windows worth of rows is the limit from which we need to start loading new rows. |
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// As we scroll down, it grows |
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var targetHeight = ($(window).height() * 2) + scroll; |
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var showRows = function (album) { |
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// If we've reached the end of the album, we kill the loader |
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if (!(album.viewedItems < album.subAlbums.length + album.images.length)) { |
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view.loadVisibleRows.loading = null; |
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$('#loading-indicator').hide(); |
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return; |
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} |
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// Everything is still in sync, since no deferred calls have been placed yet |
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return album.getNextRow($(window).width()).then(function (row) { |
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/** |
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* At this stage, the row has a width and contains references to images based |
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* on |
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* information available when making the request, but this information may have |
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* changed while we were receiving thumbnails for the row |
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*/ |
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if (view.requestId === row.requestId) { |
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return row.getDom().then(function (dom) { |
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if (Gallery.currentAlbum !== path) { |
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view.loadVisibleRows.loading = null; |
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return; //throw away the row if the user has navigated away in the |
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// meantime |
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} |
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if (view.element.length === 1) { |
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Gallery.showNormal(); |
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} |
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view.element.append(dom); |
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if (album.viewedItems < album.subAlbums.length + album.images.length && |
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view.element.height() < targetHeight) { |
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return showRows(album); |
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} |
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// No more rows to load at the moment |
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view.loadVisibleRows.loading = null; |
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$('#loading-indicator').hide(); |
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}, function () { |
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// Something went wrong, so kill the loader |
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view.loadVisibleRows.loading = null; |
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$('#loading-indicator').hide(); |
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}); |
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} |
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// This is the safest way to do things |
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view.viewAlbum(Gallery.currentAlbum); |
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}); |
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}; |
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if (this.element.height() < targetHeight) { |
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this.loadVisibleRows.loading = true; |
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this.loadVisibleRows.loading = showRows(album); |
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return this.loadVisibleRows.loading; |
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} |
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}, |
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hideButtons: function () { |
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$('#loading-indicator').hide(); |
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$('#album-info-button').hide(); |
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$('#share-button').hide(); |
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$('#sort-name-button').hide(); |
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$('#sort-date-button').hide(); |
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}, |
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/** |
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* Adds all the click handlers to buttons the first time they appear in the interface |
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* |
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* @private |
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*/ |
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_initButtons: function () { |
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$('#filelist-button').click(Gallery.switchToFilesView); |
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$('#download').click(Gallery.download); |
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$('#share-button').click(Gallery.share); |
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Gallery.infoBox = new Gallery.InfoBox(); |
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$('#album-info-button').click(Gallery.showInfo); |
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$('#sort-name-button').click(Gallery.sorter); |
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$('#sort-date-button').click(Gallery.sorter); |
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$('#save #save-button').click(Gallery.showSaveForm); |
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$('.save-form').submit(Gallery.saveForm); |
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this.requestId = Math.random(); |
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}, |
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/** |
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* Sets up all the buttons of the interface and the breadcrumbs |
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* |
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* @param {string} albumPath |
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* @private |
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*/ |
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_setupButtons: function (albumPath) { |
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this._shareButtonSetup(albumPath); |
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this._infoButtonSetup(); |
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var availableWidth = $(window).width() - Gallery.buttonsWidth; |
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this.breadcrumb.init(albumPath, availableWidth); |
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$('#sort-name-button').show(); |
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$('#sort-date-button').show(); |
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var currentSort = Gallery.config.albumSorting; |
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this.sortControlsSetup(currentSort.type, currentSort.order); |
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Gallery.albumMap[Gallery.currentAlbum].images.sort( |
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Gallery.utility.sortBy(currentSort.type, |
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currentSort.order)); |
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Gallery.albumMap[Gallery.currentAlbum].subAlbums.sort(Gallery.utility.sortBy('name', |
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currentSort.albumOrder)); |
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}, |
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/** |
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* Shows or hides the share button depending on if we're in a public gallery or not |
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* |
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* @param {string} albumPath |
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* @private |
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282
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*/ |
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_shareButtonSetup: function (albumPath) { |
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var shareButton = $('#share-button'); |
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if (albumPath === '' || Gallery.token) { |
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shareButton.hide(); |
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} else { |
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shareButton.show(); |
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} |
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}, |
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/** |
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* Shows or hides the info button based on the information we've received from the server |
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* |
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* @private |
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296
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*/ |
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297
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_infoButtonSetup: function () { |
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var infoButton = $('#album-info-button'); |
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infoButton.find('span').hide(); |
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var infoContentContainer = $('.album-info-container'); |
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infoContentContainer.slideUp(); |
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infoContentContainer.css('max-height', |
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$(window).height() - Gallery.browserToolbarHeight); |
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var albumInfo = Gallery.config.albumInfo; |
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if (Gallery.config.albumError) { |
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infoButton.hide(); |
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var text = '<strong>' + t('gallery', 'Configuration error') + '</strong></br>' + |
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Gallery.config.albumError.message + '</br></br>'; |
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Gallery.utility.showHtmlNotification(text, 7); |
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} else if ($.isEmptyObject(albumInfo)) { |
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infoButton.hide(); |
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} else { |
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infoButton.show(); |
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if (albumInfo.inherit !== 'yes' || albumInfo.level === 0) { |
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infoButton.find('span').delay(1000).slideDown(); |
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} |
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} |
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318
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}, |
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319
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320
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/** |
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321
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* Sets the background colour of the photowall |
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322
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* |
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323
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* @private |
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324
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*/ |
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325
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_setBackgroundColour: function () { |
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326
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var wrapper = $('#content-wrapper'); |
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327
|
|
|
var albumDesign = Gallery.config.albumDesign; |
|
328
|
|
|
if (!$.isEmptyObject(albumDesign) && albumDesign.background) { |
|
329
|
|
|
wrapper.css('background-color', albumDesign.background); |
|
330
|
|
|
} else { |
|
331
|
|
|
wrapper.css('background-color', '#fff'); |
|
332
|
|
|
} |
|
333
|
|
|
}, |
|
334
|
|
|
|
|
335
|
|
|
/** |
|
336
|
|
|
* Picks the image which matches the sort order |
|
337
|
|
|
* |
|
338
|
|
|
* @param {string} sortType name or date |
|
339
|
|
|
* @param {string} sortOrder asc or des |
|
340
|
|
|
* @param {boolean} active determines if we're setting up the active sort button |
|
341
|
|
|
* @private |
|
342
|
|
|
*/ |
|
343
|
|
|
_setSortButton: function (sortType, sortOrder, active) { |
|
344
|
|
|
var button = $('#sort-' + sortType + '-button'); |
|
345
|
|
|
// Removing all the classes which control the image in the button |
|
346
|
|
|
button.removeClass('active-button'); |
|
347
|
|
|
button.find('img').removeClass('front'); |
|
348
|
|
|
button.find('img').removeClass('back'); |
|
349
|
|
|
|
|
350
|
|
|
// We need to determine the reverse order in order to send that image to the back |
|
351
|
|
|
var reverseSortOrder = 'des'; |
|
352
|
|
|
if (sortOrder === 'des') { |
|
353
|
|
|
reverseSortOrder = 'asc'; |
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
|
|
// We assign the proper order to the button images |
|
357
|
|
|
button.find('img.' + sortOrder).addClass('front'); |
|
358
|
|
|
button.find('img.' + reverseSortOrder).addClass('back'); |
|
359
|
|
|
|
|
360
|
|
|
// The active button needs a hover action for the flip effect |
|
361
|
|
|
if (active) { |
|
362
|
|
|
button.addClass('active-button'); |
|
363
|
|
|
if (button.is(":hover")) { |
|
364
|
|
|
button.removeClass('hover'); |
|
365
|
|
|
} |
|
366
|
|
|
// We can't use a toggle here |
|
367
|
|
|
button.hover(function () { |
|
368
|
|
|
$(this).addClass('hover'); |
|
369
|
|
|
}, |
|
370
|
|
|
function () { |
|
371
|
|
|
$(this).removeClass('hover'); |
|
372
|
|
|
}); |
|
373
|
|
|
} |
|
374
|
|
|
} |
|
375
|
|
|
}; |
|
376
|
|
|
|
|
377
|
|
|
Gallery.View = View; |
|
378
|
|
|
})(jQuery, _, OC, t, Gallery); |
|
379
|
|
|
|
The following shows a case which JSHint considers confusing and its respective non-confusing counterpart: