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182 lines
5.1 KiB
182 lines
5.1 KiB
/** |
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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 <galleryapps@oparoz.com> |
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* |
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* @copyright Olivier Paroz 2017 |
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*/ |
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/* global Gallery, commonmark, DOMPurify */ |
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(function ($, t, Gallery) { |
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"use strict"; |
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/** |
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* Shows some information about the current album |
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* |
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* @constructor |
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*/ |
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var InfoBox = function () { |
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this.infoContentContainer = $('.album-info-container'); |
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this.infoContentSpinner = this.infoContentContainer.children('.album-info-loader'); |
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this.infoContentElement = this.infoContentContainer.children('.album-info-content'); |
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this.markdownReader = new commonmark.Parser(); |
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this.htmlWriter = new commonmark.HtmlRenderer(); |
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}; |
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InfoBox.prototype = { |
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infoContentContainer: null, |
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infoContentSpinner: null, |
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infoContentElement: null, |
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albumInfo: null, |
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markdownReader: null, |
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htmlWriter: null, |
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/** |
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* Shows an information box to the user |
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*/ |
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showInfo: function () { |
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if(!_.isUndefined(Gallery.Share)){ |
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Gallery.Share.hideDropDown(); |
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} |
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if (this.infoContentContainer.is(':visible')) { |
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this.infoContentContainer.slideUp(); |
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} else { |
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this.albumInfo = Gallery.config.albumInfo; |
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if (!this.albumInfo.infoLoaded) { |
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this.infoContentSpinner.addClass('icon-loading'); |
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this.infoContentElement.empty(); |
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this.infoContentElement.height(100); |
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this.infoContentContainer.slideDown(); |
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if (!$.isEmptyObject(this.albumInfo.descriptionLink)) { |
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var path = '/' + this.albumInfo.filePath; |
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var file = this.albumInfo.descriptionLink; |
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var descriptionUrl = Gallery.utility.buildFilesUrl(path, file); |
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var thisInfoBox = this; |
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$.get(descriptionUrl).done(function (data) { |
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thisInfoBox._addContent(data); |
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} |
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).fail(function () { |
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thisInfoBox._addContent(t('gallery', |
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'Could not load the description')); |
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}); |
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} else { |
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this._addContent(this.albumInfo.description); |
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} |
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Gallery.config.infoLoaded = true; |
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} else { |
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this.infoContentContainer.slideDown(); |
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} |
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this.infoContentContainer.scrollTop(0); |
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} |
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}, |
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/** |
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* Adds our album information to the infoBox |
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* |
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* @param {string} content |
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* @private |
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*/ |
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_addContent: function (content) { |
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try { |
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content = this._parseMarkdown(content); |
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} catch (exception) { |
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content = t('gallery', |
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'Could not load the description: ' + exception.message); |
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} |
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this.infoContentElement.append(content); |
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this.infoContentElement.find('a').attr("target", "_blank"); |
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this._showCopyright(); |
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this._adjustHeight(); |
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}, |
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/** |
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* Parses markdown content and sanitizes the HTML |
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* |
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* @param {string} content |
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* @private |
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*/ |
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_parseMarkdown: function (content) { |
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return DOMPurify.sanitize(this.htmlWriter.render(this.markdownReader.parse(content), { |
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smart: true, |
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safe: true |
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}), { |
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ALLOWED_TAGS: ['p', 'b', 'em', 'i', 'pre', 'sup', 'sub', 'strong', 'strike', 'br', |
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'hr', 'h1', 'h2', 'h3', 'li', 'ul', 'ol', 'a', 'img', 'blockquote', 'code' |
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] |
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}); |
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}, |
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/** |
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* Adjusts the height of the element to match the content |
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* @private |
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*/ |
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_adjustHeight: function () { |
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this.infoContentSpinner.removeClass('icon-loading'); |
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var newHeight = this.infoContentContainer[0].scrollHeight; |
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this.infoContentContainer.animate({ |
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height: newHeight + 40 |
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}, 500); |
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this.infoContentContainer.scrollTop(0); |
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}, |
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/** |
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* Adds copyright information to the information box |
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* @private |
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*/ |
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_showCopyright: function () { |
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if (!$.isEmptyObject(this.albumInfo.copyright) || |
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!$.isEmptyObject(this.albumInfo.copyrightLink)) { |
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var copyright; |
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var copyrightTitle = $('<h4/>'); |
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copyrightTitle.append(t('gallery', 'Copyright')); |
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this.infoContentElement.append(copyrightTitle); |
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if (!$.isEmptyObject(this.albumInfo.copyright)) { |
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try { |
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copyright = this._parseMarkdown(this.albumInfo.copyright); |
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} catch (exception) { |
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copyright = |
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t('gallery', |
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'Could not load the copyright notice: ' + exception.message); |
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} |
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} else { |
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copyright = '<p>' + t('gallery', 'Copyright notice') + '</p>'; |
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} |
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if (!$.isEmptyObject(this.albumInfo.copyrightLink)) { |
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this._addCopyrightLink(copyright); |
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} else { |
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this.infoContentElement.append(copyright); |
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this.infoContentElement.find('a').attr("target", "_blank"); |
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} |
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} |
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}, |
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/** |
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* Adds a link to a copyright document |
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* |
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* @param {string} copyright |
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* @private |
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*/ |
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_addCopyrightLink: function (copyright) { |
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var path = '/' + this.albumInfo.filePath; |
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var file = this.albumInfo.copyrightLink; |
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var copyrightUrl = Gallery.utility.buildFilesUrl(path, file); |
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var copyrightElement = $(copyright); |
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copyrightElement.find('a').removeAttr("href"); |
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copyright = copyrightElement.html(); |
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var copyrightLink = $('<a>', { |
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html: copyright, |
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title: t('gallery', 'Link to copyright document'), |
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href: copyrightUrl, |
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target: "_blank" |
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}); |
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this.infoContentElement.append(copyrightLink); |
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} |
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}; |
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Gallery.InfoBox = InfoBox; |
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})(jQuery, t, Gallery);
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