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/** |
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* Nextcloud - Gallery |
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* |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Olivier Paroz <[email protected]> |
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* |
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* @copyright Olivier Paroz 2017 |
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*/ |
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/* global Handlebars, Gallery, Thumbnails */ |
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(function ($, _, OC, t, Gallery) { |
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"use strict"; |
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var TEMPLATE_ADDBUTTON = '<a href="#" class="button new"><span class="icon icon-add"></span><span class="hidden-visually">New</span></a>'; |
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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._setupUploader(); |
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this.breadcrumb = new Gallery.Breadcrumb(); |
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this.emptyContentElement = $('#emptycontent'); |
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this.controlsElement = $('#controls'); |
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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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emptyContentElement: null, |
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controlsElement: null, |
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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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this.loadVisibleRows.processing = false; |
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this.loadVisibleRows.loading = null; |
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// We want to keep all the events |
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this.element.children().detach(); |
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this.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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* @param {string|undefined} errorMessage |
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*/ |
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init: function (albumPath, errorMessage) { |
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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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this._blankUrl(); |
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} |
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if ($.isEmptyObject(Gallery.imageMap)) { |
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Gallery.view.showEmptyFolder(albumPath, errorMessage); |
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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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if (albumPath !== Gallery.currentAlbum |
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|| (albumPath === Gallery.currentAlbum && |
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Gallery.albumMap[albumPath].etag !== Gallery.currentEtag)) { |
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Gallery.currentAlbum = albumPath; |
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Gallery.currentEtag = Gallery.albumMap[albumPath].etag; |
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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]); |
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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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* view.loadVisibleRows.loading holds the Promise of a row |
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* |
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* @param {Album} album |
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*/ |
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loadVisibleRows: function (album) { |
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var view = this; |
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// Wait for the previous request to be completed |
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if (this.loadVisibleRows.processing) { |
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return; |
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} |
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/** |
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* At this stage, there is no loading taking place, so we can look for new rows |
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*/ |
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var scroll = $(window).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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// We throttle rows in order to try and not generate too many CSS resizing events at |
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// the same time |
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var showRows = _.throttle(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.processing = false; |
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view.loadVisibleRows.loading = null; |
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return; |
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} |
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// Prevents creating rows which are no longer required. I.e when changing album |
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if (view.requestId !== album.requestId) { |
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return; |
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} |
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// We can now safely create a new row |
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var row = album.getRow($(window).width()); |
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var rowDom = row.getDom(); |
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view.element.append(rowDom); |
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return album.fillNextRow(row).then(function () { |
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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.processing = false; |
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view.loadVisibleRows.loading = null; |
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}, function () { |
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// Something went wrong, so kill the loader |
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view.loadVisibleRows.processing = false; |
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view.loadVisibleRows.loading = null; |
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}); |
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}, 100); |
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if (this.element.height() < targetHeight) { |
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this._showNormal(); |
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this.loadVisibleRows.processing = true; |
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album.requestId = view.requestId; |
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this.loadVisibleRows.loading = showRows(album); |
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} |
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}, |
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/** |
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* Shows an empty gallery message |
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* |
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* @param {string} albumPath |
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* @param {string|null} errorMessage |
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*/ |
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showEmptyFolder: function (albumPath, errorMessage) { |
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var message = '<div class="icon-gallery"></div>'; |
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var uploadAllowed = true; |
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this.element.children().detach(); |
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this.removeLoading(); |
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if (!_.isUndefined(errorMessage) && errorMessage !== null) { |
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message += '<h2>' + t('gallery', |
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'Album cannot be shown') + '</h2>'; |
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message += '<p>' + escapeHTML(errorMessage) + '</p>'; |
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uploadAllowed = false; |
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} else { |
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message += '<h2>' + t('gallery', |
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'No media files found') + '</h2>'; |
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// We can't upload yet on the public side |
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if (Gallery.token) { |
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message += '<p>' + t('gallery', |
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'Upload pictures in the Files app to display them here') + '</p>'; |
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} else { |
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message += '<p>' + t('gallery', |
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'Upload new files via drag and drop or by using the [+] button above') + |
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'</p>'; |
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} |
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} |
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this.emptyContentElement.html(message); |
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this.emptyContentElement.removeClass('hidden'); |
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this._hideButtons(uploadAllowed); |
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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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/** |
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* Dims the controls bar when retrieving new content. Matches the effect in Files |
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*/ |
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dimControls: function () { |
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// Use the existing mask if its already there |
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var $mask = this.controlsElement.find('.mask'); |
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if ($mask.exists()) { |
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return; |
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} |
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$mask = $('<div class="mask transparent"></div>'); |
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this.controlsElement.append($mask); |
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$mask.removeClass('transparent'); |
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}, |
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/** |
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* Shows the infamous loading spinner |
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*/ |
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showLoading: function () { |
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this.emptyContentElement.addClass('hidden'); |
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this.controlsElement.removeClass('hidden'); |
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$('#content').addClass('icon-loading'); |
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this.dimControls(); |
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}, |
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/** |
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* Removes the spinner in the main area and restore normal visibility of the controls bar |
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*/ |
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removeLoading: function () { |
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$('#content').removeClass('icon-loading'); |
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this.controlsElement.find('.mask').remove(); |
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}, |
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/** |
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* Shows thumbnails |
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*/ |
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_showNormal: function () { |
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this.emptyContentElement.addClass('hidden'); |
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this.controlsElement.removeClass('hidden'); |
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this.removeLoading(); |
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}, |
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/** |
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* Sets up our custom handlers for folder uploading operations |
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* |
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* @see OC.Upload.init/file_upload_param.done() |
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* |
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* @private |
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*/ |
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_setupUploader: function () { |
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var $uploadEl = $('#file_upload_start'); |
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if (!$uploadEl.exists()) { |
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return; |
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} |
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this._operationProgressBar = new OCA.Files.OperationProgressBar(); |
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this._operationProgressBar.render(); |
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$('#content').find('#uploadprogresswrapper').replaceWith(this._operationProgressBar.$el); |
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this._uploader = new OC.Uploader($uploadEl, { |
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fileList: FileList, |
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dropZone: $('#content'), |
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progressBar: this._operationProgressBar |
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}); |
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this._uploader.on('add', function (e, data) { |
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data.targetDir = '/' + Gallery.currentAlbum; |
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}); |
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this._uploader.on('done', function (e, upload) { |
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var data = upload.data; |
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// is that the last upload ? |
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if (data.files[0] === data.originalFiles[data.originalFiles.length - 1]) { |
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var fileList = data.originalFiles; |
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//Ask for a refresh of the photowall |
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Gallery.getFiles(Gallery.currentAlbum).done(function () { |
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var fileId, path; |
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// Removes the cached thumbnails of files which have been re-uploaded |
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_(fileList).each(function (fileName) { |
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path = Gallery.currentAlbum + '/' + fileName; |
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if (Gallery.imageMap[path]) { |
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fileId = Gallery.imageMap[path].fileId; |
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if (Thumbnails.map[fileId]) { |
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delete Thumbnails.map[fileId]; |
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} |
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} |
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}); |
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Gallery.view.init(Gallery.currentAlbum); |
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}); |
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} |
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}); |
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// Since Nextcloud 9.0 |
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if (OC.Uploader) { |
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OC.Uploader.prototype._isReceivedSharedFile = function (file) { |
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var path = file.name; |
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var sharedWith = false; |
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if (Gallery.currentAlbum !== '' && Gallery.currentAlbum !== '/') { |
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path = Gallery.currentAlbum + '/' + path; |
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} |
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if (Gallery.imageMap[path] && Gallery.imageMap[path].sharedWithUser) { |
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sharedWith = true; |
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} |
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return sharedWith; |
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}; |
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} |
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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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* |
373
|
|
|
* @private |
374
|
|
|
*/ |
375
|
|
|
_initButtons: function () { |
376
|
|
|
this.element.on("contextmenu", function(e) { e.preventDefault(); }); |
377
|
|
|
$('#filelist-button').click(Gallery.switchToFilesView); |
378
|
|
|
$('#download').click(Gallery.download); |
379
|
|
|
$('#shared-button').click(Gallery.share); |
380
|
|
|
Gallery.infoBox = new Gallery.InfoBox(); |
381
|
|
|
$('#album-info-button').click(Gallery.showInfo); |
382
|
|
|
$('#sort-name-button').click(Gallery.sorter); |
383
|
|
|
$('#sort-date-button').click(Gallery.sorter); |
384
|
|
|
$('.save-form').submit(Gallery.saveForm); |
385
|
|
|
this._renderNewButton(); |
386
|
|
|
// Trigger cancelling of file upload |
387
|
|
|
$('#uploadprogresswrapper .stop').on('click', function () { |
388
|
|
|
OC.Upload.cancelUploads(); |
389
|
|
|
}); |
390
|
|
|
this.requestId = Math.random(); |
391
|
|
|
}, |
392
|
|
|
|
393
|
|
|
/** |
394
|
|
|
* Sets up all the buttons of the interface and the breadcrumbs |
395
|
|
|
* |
396
|
|
|
* @param {string} albumPath |
397
|
|
|
* @private |
398
|
|
|
*/ |
399
|
|
|
_setupButtons: function (albumPath) { |
400
|
|
|
this._shareButtonSetup(albumPath); |
401
|
|
|
this._infoButtonSetup(); |
402
|
|
|
|
403
|
|
|
var availableWidth = $(window).width() - Gallery.buttonsWidth; |
404
|
|
|
this.breadcrumb.init(albumPath, availableWidth); |
405
|
|
|
var album = Gallery.albumMap[albumPath]; |
406
|
|
|
|
407
|
|
|
var sum = album.images.length + album.subAlbums.length; |
408
|
|
|
//If sum of the number of images and subalbums exceeds 1 then show the buttons. |
409
|
|
|
if(sum > 1) |
410
|
|
|
{ |
411
|
|
|
$('#sort-name-button').show(); |
412
|
|
|
$('#sort-date-button').show(); |
413
|
|
|
} |
414
|
|
|
else |
415
|
|
|
{ |
416
|
|
|
$('#sort-name-button').hide(); |
417
|
|
|
$('#sort-date-button').hide(); |
418
|
|
|
} |
419
|
|
|
var currentSort = Gallery.config.albumSorting; |
420
|
|
|
this.sortControlsSetup(currentSort.type, currentSort.order); |
421
|
|
|
Gallery.albumMap[Gallery.currentAlbum].images.sort( |
422
|
|
|
Gallery.utility.sortBy(currentSort.type, |
423
|
|
|
currentSort.order)); |
424
|
|
|
Gallery.albumMap[Gallery.currentAlbum].subAlbums.sort(Gallery.utility.sortBy('name', |
425
|
|
|
currentSort.albumOrder)); |
426
|
|
|
|
427
|
|
|
$('#save-button').show(); |
428
|
|
|
$('#download').show(); |
429
|
|
|
$('a.button.new').show(); |
430
|
|
|
}, |
431
|
|
|
|
432
|
|
|
/** |
433
|
|
|
* Hide buttons in the controls bar |
434
|
|
|
* |
435
|
|
|
* @param uploadAllowed |
436
|
|
|
*/ |
437
|
|
|
_hideButtons: function (uploadAllowed) { |
438
|
|
|
$('#album-info-button').hide(); |
439
|
|
|
$('#shared-button').hide(); |
440
|
|
|
$('#sort-name-button').hide(); |
441
|
|
|
$('#sort-date-button').hide(); |
442
|
|
|
$('#save-button').hide(); |
443
|
|
|
$('#download').hide(); |
444
|
|
|
|
445
|
|
|
if (!uploadAllowed) { |
446
|
|
|
$('a.button.new').hide(); |
447
|
|
|
} |
448
|
|
|
}, |
449
|
|
|
|
450
|
|
|
/** |
451
|
|
|
* Shows or hides the share button depending on if we're in a public gallery or not |
452
|
|
|
* |
453
|
|
|
* @param {string} albumPath |
454
|
|
|
* @private |
455
|
|
|
*/ |
456
|
|
|
_shareButtonSetup: function (albumPath) { |
457
|
|
|
var shareButton = $('#shared-button'); |
458
|
|
|
if (albumPath === '' || Gallery.token) { |
459
|
|
|
shareButton.hide(); |
460
|
|
|
} else { |
461
|
|
|
shareButton.show(); |
462
|
|
|
} |
463
|
|
|
}, |
464
|
|
|
|
465
|
|
|
/** |
466
|
|
|
* Shows or hides the info button based on the information we've received from the server |
467
|
|
|
* |
468
|
|
|
* @private |
469
|
|
|
*/ |
470
|
|
|
_infoButtonSetup: function () { |
471
|
|
|
var infoButton = $('#album-info-button'); |
472
|
|
|
infoButton.find('span').hide(); |
473
|
|
|
var infoContentContainer = $('.album-info-container'); |
474
|
|
|
infoContentContainer.slideUp(); |
475
|
|
|
infoContentContainer.css('max-height', |
476
|
|
|
$(window).height() - Gallery.browserToolbarHeight); |
477
|
|
|
var albumInfo = Gallery.config.albumInfo; |
478
|
|
|
if (Gallery.config.albumError) { |
479
|
|
|
infoButton.hide(); |
480
|
|
|
var text = '<strong>' + t('gallery', 'Configuration error') + '</strong></br>' + |
481
|
|
|
Gallery.config.albumError.message + '</br></br>'; |
482
|
|
|
Gallery.utility.showHtmlNotification(text, 7); |
483
|
|
|
} else if ($.isEmptyObject(albumInfo)) { |
484
|
|
|
infoButton.hide(); |
485
|
|
|
} else { |
486
|
|
|
infoButton.show(); |
487
|
|
|
if (albumInfo.inherit !== 'yes' || albumInfo.level === 0) { |
488
|
|
|
infoButton.find('span').delay(1000).slideDown(); |
489
|
|
|
} |
490
|
|
|
} |
491
|
|
|
}, |
492
|
|
|
|
493
|
|
|
/** |
494
|
|
|
* Sets the background colour of the photowall |
495
|
|
|
* |
496
|
|
|
* @private |
497
|
|
|
*/ |
498
|
|
|
_setBackgroundColour: function () { |
499
|
|
|
var wrapper = $('#app-content'); |
500
|
|
|
var albumDesign = Gallery.config.albumDesign; |
501
|
|
|
if (!$.isEmptyObject(albumDesign) && albumDesign.background) { |
502
|
|
|
wrapper.css('background-color', albumDesign.background); |
503
|
|
|
} else { |
504
|
|
|
wrapper.css('background-color', '#fff'); |
505
|
|
|
} |
506
|
|
|
}, |
507
|
|
|
|
508
|
|
|
/** |
509
|
|
|
* Picks the image which matches the sort order |
510
|
|
|
* |
511
|
|
|
* @param {string} sortType name or date |
512
|
|
|
* @param {string} sortOrder asc or des |
513
|
|
|
* @param {boolean} active determines if we're setting up the active sort button |
514
|
|
|
* @private |
515
|
|
|
*/ |
516
|
|
|
_setSortButton: function (sortType, sortOrder, active) { |
517
|
|
|
var button = $('#sort-' + sortType + '-button'); |
518
|
|
|
// Removing all the classes which control the image in the button |
519
|
|
|
button.removeClass('active'); |
520
|
|
|
button.find('img').removeClass('front'); |
521
|
|
|
button.find('img').removeClass('back'); |
522
|
|
|
|
523
|
|
|
// We need to determine the reverse order in order to send that image to the back |
524
|
|
|
var reverseSortOrder = 'des'; |
525
|
|
|
if (sortOrder === 'des') { |
526
|
|
|
reverseSortOrder = 'asc'; |
527
|
|
|
} |
528
|
|
|
|
529
|
|
|
// We assign the proper order to the button images |
530
|
|
|
button.find('img.' + sortOrder).addClass('front'); |
531
|
|
|
button.find('img.' + reverseSortOrder).addClass('back'); |
532
|
|
|
|
533
|
|
|
// The active button needs a hover action for the flip effect |
534
|
|
|
if (active) { |
535
|
|
|
button.addClass('active'); |
536
|
|
|
if (button.is(":hover")) { |
537
|
|
|
button.removeClass('hover'); |
538
|
|
|
} |
539
|
|
|
// We can't use a toggle here |
540
|
|
|
button.hover(function () { |
541
|
|
|
$(this).addClass('hover'); |
542
|
|
|
}, |
543
|
|
|
function () { |
544
|
|
|
$(this).removeClass('hover'); |
545
|
|
|
}); |
546
|
|
|
} |
547
|
|
|
}, |
548
|
|
|
|
549
|
|
|
/** |
550
|
|
|
* If no url is entered then do not show the error box. |
551
|
|
|
* |
552
|
|
|
*/ |
553
|
|
|
_blankUrl: function() { |
554
|
|
|
$('#remote_address').on("change keyup paste", function() { |
555
|
|
|
if ($(this).val() === '') { |
556
|
|
|
$('#save-button-confirm').prop('disabled', true); |
557
|
|
|
} else { |
558
|
|
|
$('#save-button-confirm').prop('disabled', false); |
559
|
|
|
} |
560
|
|
|
}); |
561
|
|
|
}, |
562
|
|
|
|
563
|
|
|
/** |
564
|
|
|
* Creates the [+] button allowing users who can't drag and drop to upload files |
565
|
|
|
* |
566
|
|
|
* @see core/apps/files/js/filelist.js |
567
|
|
|
* @private |
568
|
|
|
*/ |
569
|
|
|
_renderNewButton: function () { |
570
|
|
|
// if no actions container exist, skip |
571
|
|
|
var $actionsContainer = $('.actions'); |
572
|
|
|
if (!$actionsContainer.length) { |
573
|
|
|
return; |
574
|
|
|
} |
575
|
|
|
|
576
|
|
|
var $newButton = $(TEMPLATE_ADDBUTTON); |
577
|
|
|
|
578
|
|
|
$actionsContainer.prepend($newButton); |
579
|
|
|
$newButton.tooltip({'placement': 'bottom'}); |
580
|
|
|
|
581
|
|
|
$newButton.click(_.bind(this._onClickNewButton, this)); |
582
|
|
|
this._newButton = $newButton; |
583
|
|
|
}, |
584
|
|
|
|
585
|
|
|
/** |
586
|
|
|
* Creates the click handler for the [+] button |
587
|
|
|
* @param event |
588
|
|
|
* @returns {boolean} |
589
|
|
|
* |
590
|
|
|
* @see core/apps/files/js/filelist.js |
591
|
|
|
* @private |
592
|
|
|
*/ |
593
|
|
|
_onClickNewButton: function (event) { |
594
|
|
|
var $target = $(event.target); |
595
|
|
|
if (!$target.hasClass('.button')) { |
596
|
|
|
$target = $target.closest('.button'); |
597
|
|
|
} |
598
|
|
|
this._newButton.tooltip('hide'); |
599
|
|
|
event.preventDefault(); |
600
|
|
|
if ($target.hasClass('disabled')) { |
601
|
|
|
return false; |
602
|
|
|
} |
603
|
|
|
if (!this._newFileMenu) { |
604
|
|
|
this._newFileMenu = new Gallery.NewFileMenu(); |
605
|
|
|
$('.actions').append(this._newFileMenu.$el); |
606
|
|
|
} |
607
|
|
|
this._newFileMenu.showAt($target); |
608
|
|
|
|
609
|
|
|
if (Gallery.currentAlbum === '') { |
610
|
|
|
$('.menuitem[data-action="hideAlbum"]').parent().hide(); |
611
|
|
|
} |
612
|
|
|
return false; |
613
|
|
|
} |
614
|
|
|
}; |
615
|
|
|
|
616
|
|
|
Gallery.View = View; |
617
|
|
|
})(jQuery, _, OC, t, Gallery); |
618
|
|
|
|