View._isValidPath - Code Metrics - Inspection of "Merge pull request #157 from nextcloud/stable10-do..." - nextcloud/gallery - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — stable10 ( 88a89a...f40139 )

by Lukas

created 2016-09-14 17:37 UTC

View._isValidPath A

↳ Parent: Project

Complexity

Conditions	3
Paths	5

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	3
c	1
b	0
f	0
nc	5
nop	1
dl	0
loc	11
rs	9.4285

/* global Handlebars, Gallery */
(function ($, _, OC, t, Gallery) {
	"use strict";

	var TEMPLATE_ADDBUTTON = '<a href="#" class="button new"><img src="{{iconUrl}}" alt="{{addText}}"></img></a>';

	/**
	 * Builds and updates the Gallery view
	 *
	 * @constructor
	 */
	var View = function () {
		this.element = $('#gallery');
		this.loadVisibleRows.loading = false;
		this._setupUploader();
		this.breadcrumb = new Gallery.Breadcrumb();
		this.emptyContentElement = $('#emptycontent');
		this.controlsElement = $('#controls');
	};

	View.prototype = {
		element: null,
		breadcrumb: null,
		requestId: -1,
		emptyContentElement: null,
		controlsElement: null,

		/**
		 * Removes all thumbnails from the view
		 */
		clear: function () {
			this.loadVisibleRows.processing = false;
			this.loadVisibleRows.loading = null;
			// We want to keep all the events
			this.element.children().detach();
			this.showLoading();
		},

		/**
		 * @param {string} path
		 * @returns {boolean}
		 */
		_isValidPath: function(path) {
			var sections = path.split('/');
			for (var i = 0; i < sections.length; i++) {
				if (sections[i] === '..') {
					return false;
				}
			}

			return path.toLowerCase().indexOf(decodeURI('%0a')) === -1 &&
				path.toLowerCase().indexOf(decodeURI('%00')) === -1;
		},

		/**
		 * Populates the view if there are images or albums to show
		 *
		 * @param {string} albumPath
		 * @param {string|undefined} errorMessage
		 */
		init: function (albumPath, errorMessage) {
			// Set path to an empty value if not a valid one
			if(!this._isValidPath(albumPath)) {
				albumPath = '';
			}

			// Only do it when the app is initialised
			if (this.requestId === -1) {
				this._initButtons();
				this._blankUrl();
			}
			if ($.isEmptyObject(Gallery.imageMap)) {
				Gallery.view.showEmptyFolder(albumPath, errorMessage);
			} else {
				this.viewAlbum(albumPath);
			}

			this._setBackgroundColour();
		},

		/**
		 * Starts the slideshow
		 *
		 * @param {string} path
		 * @param {string} albumPath
		 */
		startSlideshow: function (path, albumPath) {
			var album = Gallery.albumMap[albumPath];
			var images = album.images;
			var startImage = Gallery.imageMap[path];
			Gallery.slideShow(images, startImage, false);
		},

		/**
		 * Sets up the controls and starts loading the gallery rows
		 *
		 * @param {string|null} albumPath
		 */
		viewAlbum: function (albumPath) {
			albumPath = albumPath || '';
			if (!Gallery.albumMap[albumPath]) {
				return;
			}

			this.clear();

			if (albumPath !== Gallery.currentAlbum
				|| (albumPath === Gallery.currentAlbum &&
				Gallery.albumMap[albumPath].etag !== Gallery.currentEtag)) {
				Gallery.currentAlbum = albumPath;
				Gallery.currentEtag = Gallery.albumMap[albumPath].etag;
				this._setupButtons(albumPath);
			}

			Gallery.albumMap[albumPath].viewedItems = 0;
			Gallery.albumMap[albumPath].preloadOffset = 0;

			// Each request has a unique ID, so that we can track which request a row belongs to
			this.requestId = Math.random();
			Gallery.albumMap[Gallery.currentAlbum].requestId = this.requestId;

			// Loading rows without blocking the execution of the rest of the script
			setTimeout(function () {
				this.loadVisibleRows.activeIndex = 0;
				this.loadVisibleRows(Gallery.albumMap[Gallery.currentAlbum]);
			}.bind(this), 0);
		},

		/**
		 * Manages the sorting interface
		 *
		 * @param {string} sortType name or date
		 * @param {string} sortOrder asc or des
		 */
		sortControlsSetup: function (sortType, sortOrder) {
			var reverseSortType = 'date';
			if (sortType === 'date') {
				reverseSortType = 'name';
			}
			this._setSortButton(sortType, sortOrder, true);
			this._setSortButton(reverseSortType, 'asc', false); // default icon
		},

		/**
		 * Loads and displays gallery rows on screen
		 *
		 * view.loadVisibleRows.loading holds the Promise of a row
		 *
		 * @param {Album} album
		 */
		loadVisibleRows: function (album) {
			var view = this;
			// Wait for the previous request to be completed
			if (this.loadVisibleRows.processing) {
				return;
			}

			/**
			 * At this stage, there is no loading taking place, so we can look for new rows
			 */

			var scroll = $('#content-wrapper').scrollTop() + $(window).scrollTop();
			// 2 windows worth of rows is the limit from which we need to start loading new rows.
			// As we scroll down, it grows
			var targetHeight = ($(window).height() * 2) + scroll;
			// We throttle rows in order to try and not generate too many CSS resizing events at
			// the same time
			var showRows = _.throttle(function (album) {

				// If we've reached the end of the album, we kill the loader
				if (!(album.viewedItems < album.subAlbums.length + album.images.length)) {
! (str.indexOf(i) > -1) // Bad
str.indexOf(i) === -1 // Good
					view.loadVisibleRows.processing = false;
					view.loadVisibleRows.loading = null;
					return;
				}

				// Prevents creating rows which are no longer required. I.e when changing album
				if (view.requestId !== album.requestId) {
					return;
				}

				// We can now safely create a new row
				var row = album.getRow($(window).width());
				var rowDom = row.getDom();
				view.element.append(rowDom);

				return album.fillNextRow(row).then(function () {
					if (album.viewedItems < album.subAlbums.length + album.images.length &&
						view.element.height() < targetHeight) {
						return showRows(album);
					}
					// No more rows to load at the moment
					view.loadVisibleRows.processing = false;
					view.loadVisibleRows.loading = null;

				}, function () {
					// Something went wrong, so kill the loader
					view.loadVisibleRows.processing = false;
					view.loadVisibleRows.loading = null;
				});
			}, 100);
			if (this.element.height() < targetHeight) {
				this._showNormal();
				this.loadVisibleRows.processing = true;
				album.requestId = view.requestId;
				this.loadVisibleRows.loading = showRows(album);
			}
		},

		/**
		 * Shows an empty gallery message
		 *
		 * @param {string} albumPath
		 * @param {string|null} errorMessage
		 */
		showEmptyFolder: function (albumPath, errorMessage) {
			var message = '<div class="icon-gallery"></div>';
			var uploadAllowed = true;

			this.element.children().detach();
			this.removeLoading();

			if (!_.isUndefined(errorMessage) && errorMessage !== null) {
				message += '<h2>' + t('gallery',
						'Album cannot be shown') + '</h2>';
				message += '<p>' + escapeHTML(errorMessage) + '</p>';

				uploadAllowed = false;
			} else {
				message += '<h2>' + t('gallery',
						'No media files found') + '</h2>';
				// We can't upload yet on the public side
				if (Gallery.token) {
					message += '<p>' + t('gallery',
							'Upload pictures in the files app to display them here') + '</p>';
				} else {
					message += '<p>' + t('gallery',
							'Upload new files via drag and drop or by using the [+] button above') +
						'</p>';
				}
			}
			this.emptyContentElement.html(message);
			this.emptyContentElement.removeClass('hidden');

			this._hideButtons(uploadAllowed);
			Gallery.currentAlbum = albumPath;
			var availableWidth = $(window).width() - Gallery.buttonsWidth;
			this.breadcrumb.init(albumPath, availableWidth);
			Gallery.config.albumDesign = null;
		},

		/**
		 * Dims the controls bar when retrieving new content. Matches the effect in Files
		 */
		dimControls: function () {
			// Use the existing mask if its already there
			var $mask = this.controlsElement.find('.mask');
			if ($mask.exists()) {
				return;
			}
			$mask = $('<div class="mask transparent"></div>');
			this.controlsElement.append($mask);
			$mask.removeClass('transparent');
		},

		/**
		 * Shows the infamous loading spinner
		 */
		showLoading: function () {
			this.emptyContentElement.addClass('hidden');
			this.controlsElement.removeClass('hidden');
			$('#content').addClass('icon-loading');
			this.dimControls();
		},

		/**
		 * Removes the spinner in the main area and restore normal visibility of the controls bar
		 */
		removeLoading: function () {
			$('#content').removeClass('icon-loading');
			this.controlsElement.find('.mask').remove();
		},

		/**
		 * Shows thumbnails
		 */
		_showNormal: function () {
			this.emptyContentElement.addClass('hidden');
			this.controlsElement.removeClass('hidden');
			this.removeLoading();
		},

		/**
		 * Sets up our custom handlers for folder uploading operations
		 *
		 * We only want it to be called for that specific case as all other file uploading
		 * operations will call Files.highlightFiles
		 *
		 * @see OC.Upload.init/file_upload_param.done()
		 *
		 * @private
		 */
		_setupUploader: function () {
			$('#file_upload_start').on('fileuploaddone', function (e, data) {
				if (data.files[0] === data.originalFiles[data.originalFiles.length - 1]
					&& data.files[0].relativePath) {

					//Ask for a refresh of the photowall
					Gallery.getFiles(Gallery.currentAlbum).done(function () {
						Gallery.view.init(Gallery.currentAlbum);
					});
				}
			});

			// Since 9.0
			if (OC.Upload) {
				OC.Upload._isReceivedSharedFile = function (file) {
					var path = file.name;
					var sharedWith = false;

					if (Gallery.currentAlbum !== '' && Gallery.currentAlbum !== '/') {
						path = Gallery.currentAlbum + '/' + path;
					}
					if (Gallery.imageMap[path] && Gallery.imageMap[path].sharedWithUser) {
						sharedWith = true;
					}

					return sharedWith;
				};
			}
		},

		/**
		 * Adds all the click handlers to buttons the first time they appear in the interface
		 *
		 * @private
		 */
		_initButtons: function () {
			this.element.on("contextmenu", function(e) { e.preventDefault(); });
			$('#filelist-button').click(Gallery.switchToFilesView);
			$('#download').click(Gallery.download);
			$('#share-button').click(Gallery.share);
			Gallery.infoBox = new Gallery.InfoBox();
			$('#album-info-button').click(Gallery.showInfo);
			$('#sort-name-button').click(Gallery.sorter);
			$('#sort-date-button').click(Gallery.sorter);
			$('#save #save-button').click(Gallery.showSaveForm);
			$('.save-form').submit(Gallery.saveForm);
			this._renderNewButton();
			// Trigger cancelling of file upload
			$('#uploadprogresswrapper .stop').on('click', function () {
				OC.Upload.cancelUploads();
			});
			this.requestId = Math.random();
		},

		/**
		 * Sets up all the buttons of the interface and the breadcrumbs
		 *
		 * @param {string} albumPath
		 * @private
		 */
		_setupButtons: function (albumPath) {
			this._shareButtonSetup(albumPath);
			this._infoButtonSetup();

			var availableWidth = $(window).width() - Gallery.buttonsWidth;
			this.breadcrumb.init(albumPath, availableWidth);
			var album = Gallery.albumMap[albumPath];
			
			var sum = album.images.length + album.subAlbums.length;
			//If sum of the number of images and subalbums exceeds 1 then show the buttons.
			if(sum > 1)
			{
				$('#sort-name-button').show();
				$('#sort-date-button').show();
			}
			else
			{
				$('#sort-name-button').hide();
				$('#sort-date-button').hide();
			}
			var currentSort = Gallery.config.albumSorting;
			this.sortControlsSetup(currentSort.type, currentSort.order);
			Gallery.albumMap[Gallery.currentAlbum].images.sort(
				Gallery.utility.sortBy(currentSort.type,
					currentSort.order));
			Gallery.albumMap[Gallery.currentAlbum].subAlbums.sort(Gallery.utility.sortBy('name',
				currentSort.albumOrder));

			$('#save-button').show();
			$('#download').show();
			$('a.button.new').show();
		},

		/**
		 * Hide buttons in the controls bar
		 *
		 * @param uploadAllowed
		 */
		_hideButtons: function (uploadAllowed) {
			$('#album-info-button').hide();
			$('#share-button').hide();
			$('#sort-name-button').hide();
			$('#sort-date-button').hide();
			$('#save-button').hide();
			$('#download').hide();

			if (!uploadAllowed) {
				$('a.button.new').hide();
			}
		},

		/**
		 * Shows or hides the share button depending on if we're in a public gallery or not
		 *
		 * @param {string} albumPath
		 * @private
		 */
		_shareButtonSetup: function (albumPath) {
			var shareButton = $('#share-button');
			if (albumPath === '' || Gallery.token) {
				shareButton.hide();
			} else {
				shareButton.show();
			}
		},

		/**
		 * Shows or hides the info button based on the information we've received from the server
		 *
		 * @private
		 */
		_infoButtonSetup: function () {
			var infoButton = $('#album-info-button');
			infoButton.find('span').hide();
			var infoContentContainer = $('.album-info-container');
			infoContentContainer.slideUp();
			infoContentContainer.css('max-height',
				$(window).height() - Gallery.browserToolbarHeight);
			var albumInfo = Gallery.config.albumInfo;
			if (Gallery.config.albumError) {
				infoButton.hide();
				var text = '<strong>' + t('gallery', 'Configuration error') + '</strong></br>' +
					Gallery.config.albumError.message + '</br></br>';
				Gallery.utility.showHtmlNotification(text, 7);
			} else if ($.isEmptyObject(albumInfo)) {
				infoButton.hide();
			} else {
				infoButton.show();
				if (albumInfo.inherit !== 'yes' || albumInfo.level === 0) {
					infoButton.find('span').delay(1000).slideDown();
				}
			}
		},

		/**
		 * Sets the background colour of the photowall
		 *
		 * @private
		 */
		_setBackgroundColour: function () {
			var wrapper = $('#content-wrapper');
			var albumDesign = Gallery.config.albumDesign;
			if (!$.isEmptyObject(albumDesign) && albumDesign.background) {
				wrapper.css('background-color', albumDesign.background);
			} else {
				wrapper.css('background-color', '#fff');
			}
		},

		/**
		 * Picks the image which matches the sort order
		 *
		 * @param {string} sortType name or date
		 * @param {string} sortOrder asc or des
		 * @param {boolean} active determines if we're setting up the active sort button
		 * @private
		 */
		_setSortButton: function (sortType, sortOrder, active) {
			var button = $('#sort-' + sortType + '-button');
			// Removing all the classes which control the image in the button
			button.removeClass('active-button');
			button.find('img').removeClass('front');
			button.find('img').removeClass('back');

			// We need to determine the reverse order in order to send that image to the back
			var reverseSortOrder = 'des';
			if (sortOrder === 'des') {
				reverseSortOrder = 'asc';
			}

			// We assign the proper order to the button images
			button.find('img.' + sortOrder).addClass('front');
			button.find('img.' + reverseSortOrder).addClass('back');

			// The active button needs a hover action for the flip effect
			if (active) {
				button.addClass('active-button');
				if (button.is(":hover")) {
					button.removeClass('hover');
				}
				// We can't use a toggle here
				button.hover(function () {
						$(this).addClass('hover');
					},
					function () {
						$(this).removeClass('hover');
					});
			}
		},
		
		/**
		 * If no url is entered then do not show the error box.
		 *
		 */
		_blankUrl: function() {
			$('#remote_address').on("change keyup paste", function() {
 				if ($(this).val() === '') {
 					$('#save-button-confirm').prop('disabled', true);
 				} else {
 					$('#save-button-confirm').prop('disabled', false);
 				}
			});
		},
		
		/**
		 * Creates the [+] button allowing users who can't drag and drop to upload files
		 *
		 * @see core/apps/files/js/filelist.js
		 * @private
		 */
		_renderNewButton: function () {
			// if no actions container exist, skip
			var $actionsContainer = $('.actions');
			if (!$actionsContainer.length) {
				return;
			}
			if (!this._addButtonTemplate) {
				this._addButtonTemplate = Handlebars.compile(TEMPLATE_ADDBUTTON);
			}
			var $newButton = $(this._addButtonTemplate({
				addText: t('gallery', 'New'),
				iconUrl: OC.imagePath('core', 'actions/add')
			}));

			$actionsContainer.prepend($newButton);
			$newButton.tooltip({'placement': 'bottom'});

			$newButton.click(_.bind(this._onClickNewButton, this));
			this._newButton = $newButton;
		},

		/**
		 * Creates the click handler for the [+] button
		 * @param event
		 * @returns {boolean}
		 *
		 * @see core/apps/files/js/filelist.js
		 * @private
		 */
		_onClickNewButton: function (event) {
			var $target = $(event.target);
			if (!$target.hasClass('.button')) {
				$target = $target.closest('.button');
			}
			this._newButton.tooltip('hide');
			event.preventDefault();
			if ($target.hasClass('disabled')) {
				return false;
			}
			if (!this._newFileMenu) {
				this._newFileMenu = new Gallery.NewFileMenu();
				$('body').append(this._newFileMenu.$el);
			}
			this._newFileMenu.showAt($target);

			if (Gallery.currentAlbum === '') {
				$('.menuitem[data-action="hideAlbum"]').parent().hide();
			}
			return false;
		}
	};

	Gallery.View = View;
})(jQuery, _, OC, t, Gallery);


1			/* global Handlebars, Gallery */
2			(function ($, _, OC, t, Gallery) {
3			"use strict";
4
5			var TEMPLATE_ADDBUTTON = '<a href="#" class="button new"><img src="{{iconUrl}}" alt="{{addText}}"></img></a>';
6
7			/**
8			* Builds and updates the Gallery view
9			*
10			* @constructor
11			*/
12			var View = function () {
13			this.element = $('#gallery');
14			this.loadVisibleRows.loading = false;
15			this._setupUploader();
16			this.breadcrumb = new Gallery.Breadcrumb();
17			this.emptyContentElement = $('#emptycontent');
18			this.controlsElement = $('#controls');
19			};
20
21			View.prototype = {
22			element: null,
23			breadcrumb: null,
24			requestId: -1,
25			emptyContentElement: null,
26			controlsElement: null,
27
28			/**
29			* Removes all thumbnails from the view
30			*/
31			clear: function () {
32			this.loadVisibleRows.processing = false;
33			this.loadVisibleRows.loading = null;
34			// We want to keep all the events
35			this.element.children().detach();
36			this.showLoading();
37			},
38
39			/**
40			* @param {string} path
41			* @returns {boolean}
42			*/
43			_isValidPath: function(path) {
44			var sections = path.split('/');
45			for (var i = 0; i < sections.length; i++) {
46			if (sections[i] === '..') {
47			return false;
48			}
49			}
50
51			return path.toLowerCase().indexOf(decodeURI('%0a')) === -1 &&
52			path.toLowerCase().indexOf(decodeURI('%00')) === -1;
53			},
54
55			/**
56			* Populates the view if there are images or albums to show
57			*
58			* @param {string} albumPath
59			* @param {string\|undefined} errorMessage
60			*/
61			init: function (albumPath, errorMessage) {
62			// Set path to an empty value if not a valid one
63			if(!this._isValidPath(albumPath)) {
64			albumPath = '';
65			}
66
67			// Only do it when the app is initialised
68			if (this.requestId === -1) {
69			this._initButtons();
70			this._blankUrl();
71			}
72			if ($.isEmptyObject(Gallery.imageMap)) {
73			Gallery.view.showEmptyFolder(albumPath, errorMessage);
74			} else {
75			this.viewAlbum(albumPath);
76			}
77
78			this._setBackgroundColour();
79			},
80
81			/**
82			* Starts the slideshow
83			*
84			* @param {string} path
85			* @param {string} albumPath
86			*/
87			startSlideshow: function (path, albumPath) {
88			var album = Gallery.albumMap[albumPath];
89			var images = album.images;
90			var startImage = Gallery.imageMap[path];
91			Gallery.slideShow(images, startImage, false);
92			},
93
94			/**
95			* Sets up the controls and starts loading the gallery rows
96			*
97			* @param {string\|null} albumPath
98			*/
99			viewAlbum: function (albumPath) {
100			albumPath = albumPath \|\| '';
101			if (!Gallery.albumMap[albumPath]) {
102			return;
103			}
104
105			this.clear();
106
107			if (albumPath !== Gallery.currentAlbum
108			\|\| (albumPath === Gallery.currentAlbum &&
109			Gallery.albumMap[albumPath].etag !== Gallery.currentEtag)) {
110			Gallery.currentAlbum = albumPath;
111			Gallery.currentEtag = Gallery.albumMap[albumPath].etag;
112			this._setupButtons(albumPath);
113			}
114
115			Gallery.albumMap[albumPath].viewedItems = 0;
116			Gallery.albumMap[albumPath].preloadOffset = 0;
117
118			// Each request has a unique ID, so that we can track which request a row belongs to
119			this.requestId = Math.random();
120			Gallery.albumMap[Gallery.currentAlbum].requestId = this.requestId;
121
122			// Loading rows without blocking the execution of the rest of the script
123			setTimeout(function () {
124			this.loadVisibleRows.activeIndex = 0;
125			this.loadVisibleRows(Gallery.albumMap[Gallery.currentAlbum]);
126			}.bind(this), 0);
127			},
128
129			/**
130			* Manages the sorting interface
131			*
132			* @param {string} sortType name or date
133			* @param {string} sortOrder asc or des
134			*/
135			sortControlsSetup: function (sortType, sortOrder) {
136			var reverseSortType = 'date';
137			if (sortType === 'date') {
138			reverseSortType = 'name';
139			}
140			this._setSortButton(sortType, sortOrder, true);
141			this._setSortButton(reverseSortType, 'asc', false); // default icon
142			},
143
144			/**
145			* Loads and displays gallery rows on screen
146			*
147			* view.loadVisibleRows.loading holds the Promise of a row
148			*
149			* @param {Album} album
150			*/
151			loadVisibleRows: function (album) {
152			var view = this;
153			// Wait for the previous request to be completed
154			if (this.loadVisibleRows.processing) {
155			return;
156			}
157
158			/**
159			* At this stage, there is no loading taking place, so we can look for new rows
160			*/
161
162			var scroll = $('#content-wrapper').scrollTop() + $(window).scrollTop();
163			// 2 windows worth of rows is the limit from which we need to start loading new rows.
164			// As we scroll down, it grows
165			var targetHeight = ($(window).height() * 2) + scroll;
166			// We throttle rows in order to try and not generate too many CSS resizing events at
167			// the same time
168			var showRows = _.throttle(function (album) {
169
170			// If we've reached the end of the album, we kill the loader
171			if (!(album.viewedItems < album.subAlbums.length + album.images.length)) {
			0 ignored issues – show Coding Style introduced 2016-09-04 17:37 UTC by Report Bug Copy Issue Report The usage of `!` looks confusing here. The following shows a case which JSHint considers confusing and its respective non-confusing counterpart: ! (str.indexOf(i) > -1) // Bad str.indexOf(i) === -1 // Good Loading history...
172			view.loadVisibleRows.processing = false;
173			view.loadVisibleRows.loading = null;
174			return;
175			}
176
177			// Prevents creating rows which are no longer required. I.e when changing album
178			if (view.requestId !== album.requestId) {
179			return;
180			}
181
182			// We can now safely create a new row
183			var row = album.getRow($(window).width());
184			var rowDom = row.getDom();
185			view.element.append(rowDom);
186
187			return album.fillNextRow(row).then(function () {
188			if (album.viewedItems < album.subAlbums.length + album.images.length &&
189			view.element.height() < targetHeight) {
190			return showRows(album);
191			}
192			// No more rows to load at the moment
193			view.loadVisibleRows.processing = false;
194			view.loadVisibleRows.loading = null;
			0 ignored issues – show Best Practice introduced 2016-09-04 17:37 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
195			}, function () {
196			// Something went wrong, so kill the loader
197			view.loadVisibleRows.processing = false;
198			view.loadVisibleRows.loading = null;
199			});
200			}, 100);
201			if (this.element.height() < targetHeight) {
202			this._showNormal();
203			this.loadVisibleRows.processing = true;
204			album.requestId = view.requestId;
205			this.loadVisibleRows.loading = showRows(album);
206			}
207			},
208
209			/**
210			* Shows an empty gallery message
211			*
212			* @param {string} albumPath
213			* @param {string\|null} errorMessage
214			*/
215			showEmptyFolder: function (albumPath, errorMessage) {
216			var message = '<div class="icon-gallery"></div>';
217			var uploadAllowed = true;
218
219			this.element.children().detach();
220			this.removeLoading();
221
222			if (!_.isUndefined(errorMessage) && errorMessage !== null) {
223			message += '<h2>' + t('gallery',
224			'Album cannot be shown') + '</h2>';
225			message += '<p>' + escapeHTML(errorMessage) + '</p>';
			0 ignored issues – show Bug introduced 2016-09-13 22:30 UTC by Report Bug Copy Issue Report `escapeHTML` does not seem to be defined. Loading history...
226			uploadAllowed = false;
227			} else {
228			message += '<h2>' + t('gallery',
229			'No media files found') + '</h2>';
230			// We can't upload yet on the public side
231			if (Gallery.token) {
232			message += '<p>' + t('gallery',
233			'Upload pictures in the files app to display them here') + '</p>';
234			} else {
235			message += '<p>' + t('gallery',
236			'Upload new files via drag and drop or by using the [+] button above') +
237			'</p>';
238			}
239			}
240			this.emptyContentElement.html(message);
241			this.emptyContentElement.removeClass('hidden');
242
243			this._hideButtons(uploadAllowed);
244			Gallery.currentAlbum = albumPath;
245			var availableWidth = $(window).width() - Gallery.buttonsWidth;
246			this.breadcrumb.init(albumPath, availableWidth);
247			Gallery.config.albumDesign = null;
248			},
249
250			/**
251			* Dims the controls bar when retrieving new content. Matches the effect in Files
252			*/
253			dimControls: function () {
254			// Use the existing mask if its already there
255			var $mask = this.controlsElement.find('.mask');
256			if ($mask.exists()) {
257			return;
258			}
259			$mask = $('<div class="mask transparent"></div>');
260			this.controlsElement.append($mask);
261			$mask.removeClass('transparent');
262			},
263
264			/**
265			* Shows the infamous loading spinner
266			*/
267			showLoading: function () {
268			this.emptyContentElement.addClass('hidden');
269			this.controlsElement.removeClass('hidden');
270			$('#content').addClass('icon-loading');
271			this.dimControls();
272			},
273
274			/**
275			* Removes the spinner in the main area and restore normal visibility of the controls bar
276			*/
277			removeLoading: function () {
278			$('#content').removeClass('icon-loading');
279			this.controlsElement.find('.mask').remove();
280			},
281
282			/**
283			* Shows thumbnails
284			*/
285			_showNormal: function () {
286			this.emptyContentElement.addClass('hidden');
287			this.controlsElement.removeClass('hidden');
288			this.removeLoading();
289			},
290
291			/**
292			* Sets up our custom handlers for folder uploading operations
293			*
294			* We only want it to be called for that specific case as all other file uploading
295			* operations will call Files.highlightFiles
296			*
297			* @see OC.Upload.init/file_upload_param.done()
298			*
299			* @private
300			*/
301			_setupUploader: function () {
302			$('#file_upload_start').on('fileuploaddone', function (e, data) {
303			if (data.files[0] === data.originalFiles[data.originalFiles.length - 1]
304			&& data.files[0].relativePath) {
305
306			//Ask for a refresh of the photowall
307			Gallery.getFiles(Gallery.currentAlbum).done(function () {
308			Gallery.view.init(Gallery.currentAlbum);
309			});
310			}
311			});
312
313			// Since 9.0
314			if (OC.Upload) {
315			OC.Upload._isReceivedSharedFile = function (file) {
316			var path = file.name;
317			var sharedWith = false;
318
319			if (Gallery.currentAlbum !== '' && Gallery.currentAlbum !== '/') {
320			path = Gallery.currentAlbum + '/' + path;
321			}
322			if (Gallery.imageMap[path] && Gallery.imageMap[path].sharedWithUser) {
323			sharedWith = true;
324			}
325
326			return sharedWith;
327			};
328			}
329			},
330
331			/**
332			* Adds all the click handlers to buttons the first time they appear in the interface
333			*
334			* @private
335			*/
336			_initButtons: function () {
337			this.element.on("contextmenu", function(e) { e.preventDefault(); });
338			$('#filelist-button').click(Gallery.switchToFilesView);
339			$('#download').click(Gallery.download);
340			$('#share-button').click(Gallery.share);
341			Gallery.infoBox = new Gallery.InfoBox();
342			$('#album-info-button').click(Gallery.showInfo);
343			$('#sort-name-button').click(Gallery.sorter);
344			$('#sort-date-button').click(Gallery.sorter);
345			$('#save #save-button').click(Gallery.showSaveForm);
346			$('.save-form').submit(Gallery.saveForm);
347			this._renderNewButton();
348			// Trigger cancelling of file upload
349			$('#uploadprogresswrapper .stop').on('click', function () {
350			OC.Upload.cancelUploads();
351			});
352			this.requestId = Math.random();
353			},
354
355			/**
356			* Sets up all the buttons of the interface and the breadcrumbs
357			*
358			* @param {string} albumPath
359			* @private
360			*/
361			_setupButtons: function (albumPath) {
362			this._shareButtonSetup(albumPath);
363			this._infoButtonSetup();
364
365			var availableWidth = $(window).width() - Gallery.buttonsWidth;
366			this.breadcrumb.init(albumPath, availableWidth);
367			var album = Gallery.albumMap[albumPath];
368
369			var sum = album.images.length + album.subAlbums.length;
370			//If sum of the number of images and subalbums exceeds 1 then show the buttons.
371			if(sum > 1)
372			{
373			$('#sort-name-button').show();
374			$('#sort-date-button').show();
375			}
376			else
377			{
378			$('#sort-name-button').hide();
379			$('#sort-date-button').hide();
380			}
381			var currentSort = Gallery.config.albumSorting;
382			this.sortControlsSetup(currentSort.type, currentSort.order);
383			Gallery.albumMap[Gallery.currentAlbum].images.sort(
384			Gallery.utility.sortBy(currentSort.type,
385			currentSort.order));
386			Gallery.albumMap[Gallery.currentAlbum].subAlbums.sort(Gallery.utility.sortBy('name',
387			currentSort.albumOrder));
388
389			$('#save-button').show();
390			$('#download').show();
391			$('a.button.new').show();
392			},
393
394			/**
395			* Hide buttons in the controls bar
396			*
397			* @param uploadAllowed
398			*/
399			_hideButtons: function (uploadAllowed) {
400			$('#album-info-button').hide();
401			$('#share-button').hide();
402			$('#sort-name-button').hide();
403			$('#sort-date-button').hide();
404			$('#save-button').hide();
405			$('#download').hide();
406
407			if (!uploadAllowed) {
408			$('a.button.new').hide();
409			}
410			},
411
412			/**
413			* Shows or hides the share button depending on if we're in a public gallery or not
414			*
415			* @param {string} albumPath
416			* @private
417			*/
418			_shareButtonSetup: function (albumPath) {
419			var shareButton = $('#share-button');
420			if (albumPath === '' \|\| Gallery.token) {
421			shareButton.hide();
422			} else {
423			shareButton.show();
424			}
425			},
426
427			/**
428			* Shows or hides the info button based on the information we've received from the server
429			*
430			* @private
431			*/
432			_infoButtonSetup: function () {
433			var infoButton = $('#album-info-button');
434			infoButton.find('span').hide();
435			var infoContentContainer = $('.album-info-container');
436			infoContentContainer.slideUp();
437			infoContentContainer.css('max-height',
438			$(window).height() - Gallery.browserToolbarHeight);
439			var albumInfo = Gallery.config.albumInfo;
440			if (Gallery.config.albumError) {
441			infoButton.hide();
442			var text = '<strong>' + t('gallery', 'Configuration error') + '</strong></br>' +
443			Gallery.config.albumError.message + '</br></br>';
444			Gallery.utility.showHtmlNotification(text, 7);
445			} else if ($.isEmptyObject(albumInfo)) {
446			infoButton.hide();
447			} else {
448			infoButton.show();
449			if (albumInfo.inherit !== 'yes' \|\| albumInfo.level === 0) {
450			infoButton.find('span').delay(1000).slideDown();
451			}
452			}
453			},
454
455			/**
456			* Sets the background colour of the photowall
457			*
458			* @private
459			*/
460			_setBackgroundColour: function () {
461			var wrapper = $('#content-wrapper');
462			var albumDesign = Gallery.config.albumDesign;
463			if (!$.isEmptyObject(albumDesign) && albumDesign.background) {
464			wrapper.css('background-color', albumDesign.background);
465			} else {
466			wrapper.css('background-color', '#fff');
467			}
468			},
469
470			/**
471			* Picks the image which matches the sort order
472			*
473			* @param {string} sortType name or date
474			* @param {string} sortOrder asc or des
475			* @param {boolean} active determines if we're setting up the active sort button
476			* @private
477			*/
478			_setSortButton: function (sortType, sortOrder, active) {
479			var button = $('#sort-' + sortType + '-button');
480			// Removing all the classes which control the image in the button
481			button.removeClass('active-button');
482			button.find('img').removeClass('front');
483			button.find('img').removeClass('back');
484
485			// We need to determine the reverse order in order to send that image to the back
486			var reverseSortOrder = 'des';
487			if (sortOrder === 'des') {
488			reverseSortOrder = 'asc';
489			}
490
491			// We assign the proper order to the button images
492			button.find('img.' + sortOrder).addClass('front');
493			button.find('img.' + reverseSortOrder).addClass('back');
494
495			// The active button needs a hover action for the flip effect
496			if (active) {
497			button.addClass('active-button');
498			if (button.is(":hover")) {
499			button.removeClass('hover');
500			}
501			// We can't use a toggle here
502			button.hover(function () {
503			$(this).addClass('hover');
504			},
505			function () {
506			$(this).removeClass('hover');
507			});
508			}
509			},
510
511			/**
512			* If no url is entered then do not show the error box.
513			*
514			*/
515			_blankUrl: function() {
516			$('#remote_address').on("change keyup paste", function() {
517			if ($(this).val() === '') {
518			$('#save-button-confirm').prop('disabled', true);
519			} else {
520			$('#save-button-confirm').prop('disabled', false);
521			}
522			});
523			},
524
525			/**
526			* Creates the [+] button allowing users who can't drag and drop to upload files
527			*
528			* @see core/apps/files/js/filelist.js
529			* @private
530			*/
531			_renderNewButton: function () {
532			// if no actions container exist, skip
533			var $actionsContainer = $('.actions');
534			if (!$actionsContainer.length) {
535			return;
536			}
537			if (!this._addButtonTemplate) {
538			this._addButtonTemplate = Handlebars.compile(TEMPLATE_ADDBUTTON);
539			}
540			var $newButton = $(this._addButtonTemplate({
541			addText: t('gallery', 'New'),
542			iconUrl: OC.imagePath('core', 'actions/add')
543			}));
544
545			$actionsContainer.prepend($newButton);
546			$newButton.tooltip({'placement': 'bottom'});
547
548			$newButton.click(_.bind(this._onClickNewButton, this));
549			this._newButton = $newButton;
550			},
551
552			/**
553			* Creates the click handler for the [+] button
554			* @param event
555			* @returns {boolean}
556			*
557			* @see core/apps/files/js/filelist.js
558			* @private
559			*/
560			_onClickNewButton: function (event) {
561			var $target = $(event.target);
562			if (!$target.hasClass('.button')) {
563			$target = $target.closest('.button');
564			}
565			this._newButton.tooltip('hide');
566			event.preventDefault();
567			if ($target.hasClass('disabled')) {
568			return false;
569			}
570			if (!this._newFileMenu) {
571			this._newFileMenu = new Gallery.NewFileMenu();
572			$('body').append(this._newFileMenu.$el);
573			}
574			this._newFileMenu.showAt($target);
575
576			if (Gallery.currentAlbum === '') {
577			$('.menuitem[data-action="hideAlbum"]').parent().hide();
578			}
579			return false;
580			}
581			};
582
583			Gallery.View = View;
584			})(jQuery, _, OC, t, Gallery);
585

nextcloud / gallery

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