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519 lines
15 KiB
519 lines
15 KiB
/*
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* Copyright (c) 2016
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*
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* This file is licensed under the Affero General Public License version 3
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* or later.
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*
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* See the COPYING-README file.
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*
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*/
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/* global Handlebars, escapeHTML */
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(function(OC, OCA) {
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var TEMPLATE =
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'<ul class="comments">' +
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'</ul>' +
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'<div class="emptycontent hidden"><div class="icon-comment"></div>' +
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'<p>{{emptyResultLabel}}</p></div>' +
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'<input type="button" class="showMore hidden" value="{{moreLabel}}"' +
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' name="show-more" id="show-more" />' +
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'<div class="loading hidden" style="height: 50px"></div>';
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var EDIT_COMMENT_TEMPLATE =
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'<div class="newCommentRow comment" data-id="{{id}}">' +
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' <div class="authorRow">' +
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' <div class="avatar" data-username="{{actorId}}"></div>' +
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' <div class="author">{{actorDisplayName}}</div>' +
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'{{#if isEditMode}}' +
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' <a href="#" class="action delete icon icon-delete has-tooltip" title="{{deleteTooltip}}"></a>' +
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'{{/if}}' +
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' </div>' +
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' <form class="newCommentForm">' +
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' <textarea rows="1" class="message" placeholder="{{newMessagePlaceholder}}">{{message}}</textarea>' +
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' <input class="submit icon-confirm" type="submit" value="" />' +
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'{{#if isEditMode}}' +
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' <input class="cancel pull-right" type="button" value="{{cancelText}}" />' +
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'{{/if}}' +
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' <div class="submitLoading icon-loading-small hidden"></div>'+
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' </form>' +
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'</div>';
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var COMMENT_TEMPLATE =
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'<li class="comment{{#if isUnread}} unread{{/if}}{{#if isLong}} collapsed{{/if}}" data-id="{{id}}">' +
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' <div class="authorRow">' +
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' <div class="avatar" {{#if actorId}}data-username="{{actorId}}"{{/if}}> </div>' +
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' <div class="author">{{actorDisplayName}}</div>' +
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'{{#if isUserAuthor}}' +
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' <a href="#" class="action edit icon icon-rename has-tooltip" title="{{editTooltip}}"></a>' +
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'{{/if}}' +
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' <div class="date has-tooltip live-relative-timestamp" data-timestamp="{{timestamp}}" title="{{altDate}}">{{date}}</div>' +
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' </div>' +
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' <div class="message">{{{formattedMessage}}}</div>' +
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'{{#if isLong}}' +
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' <div class="message-overlay"></div>' +
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'{{/if}}' +
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'</li>';
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/**
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* @memberof OCA.Comments
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*/
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var CommentsTabView = OCA.Files.DetailTabView.extend(
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/** @lends OCA.Comments.CommentsTabView.prototype */ {
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id: 'commentsTabView',
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className: 'tab commentsTabView',
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events: {
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'submit .newCommentForm': '_onSubmitComment',
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'click .showMore': '_onClickShowMore',
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'click .action.edit': '_onClickEditComment',
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'click .action.delete': '_onClickDeleteComment',
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'click .cancel': '_onClickCloseComment',
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'click .comment': '_onClickComment'
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},
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_commentMaxLength: 1000,
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initialize: function() {
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OCA.Files.DetailTabView.prototype.initialize.apply(this, arguments);
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this.collection = new OCA.Comments.CommentCollection();
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this.collection.on('request', this._onRequest, this);
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this.collection.on('sync', this._onEndRequest, this);
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this.collection.on('add', this._onAddModel, this);
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this._commentMaxThreshold = this._commentMaxLength * 0.9;
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// TODO: error handling
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_.bindAll(this, '_onTypeComment');
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},
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template: function(params) {
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if (!this._template) {
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this._template = Handlebars.compile(TEMPLATE);
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}
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var currentUser = OC.getCurrentUser();
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return this._template(_.extend({
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actorId: currentUser.uid,
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actorDisplayName: currentUser.displayName
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}, params));
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},
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editCommentTemplate: function(params) {
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if (!this._editCommentTemplate) {
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this._editCommentTemplate = Handlebars.compile(EDIT_COMMENT_TEMPLATE);
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}
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var currentUser = OC.getCurrentUser();
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return this._editCommentTemplate(_.extend({
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actorId: currentUser.uid,
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actorDisplayName: currentUser.displayName,
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newMessagePlaceholder: t('comments', 'New comment …'),
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deleteTooltip: t('comments', 'Delete comment'),
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submitText: t('comments', 'Post'),
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cancelText: t('comments', 'Cancel')
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}, params));
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},
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commentTemplate: function(params) {
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if (!this._commentTemplate) {
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this._commentTemplate = Handlebars.compile(COMMENT_TEMPLATE);
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}
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params = _.extend({
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editTooltip: t('comments', 'Edit comment'),
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isUserAuthor: OC.getCurrentUser().uid === params.actorId,
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isLong: this._isLong(params.message)
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}, params);
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if (params.actorType === 'deleted_users') {
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// makes the avatar a X
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params.actorId = null;
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params.actorDisplayName = t('comments', '[Deleted user]');
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}
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return this._commentTemplate(params);
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},
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getLabel: function() {
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return t('comments', 'Comments');
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},
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setFileInfo: function(fileInfo) {
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if (fileInfo) {
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this.model = fileInfo;
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this.render();
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this.collection.setObjectId(fileInfo.id);
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// reset to first page
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this.collection.reset([], {silent: true});
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this.nextPage();
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} else {
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this.model = null;
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this.render();
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this.collection.reset();
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}
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},
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render: function() {
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this.$el.html(this.template({
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emptyResultLabel: t('comments', 'No comments yet, start the conversation!'),
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moreLabel: t('comments', 'More comments …')
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}));
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this.$el.find('.comments').before(this.editCommentTemplate({}));
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this.$el.find('.has-tooltip').tooltip();
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this.$container = this.$el.find('ul.comments');
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this.$el.find('.avatar').avatar(OC.getCurrentUser().uid, 32);
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this.delegateEvents();
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this.$el.find('.message').on('keydown input change', this._onTypeComment);
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autosize(this.$el.find('.newCommentRow textarea'))
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},
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_formatItem: function(commentModel) {
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var timestamp = new Date(commentModel.get('creationDateTime')).getTime();
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var data = _.extend({
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timestamp: timestamp,
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date: OC.Util.relativeModifiedDate(timestamp),
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altDate: OC.Util.formatDate(timestamp),
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formattedMessage: this._formatMessage(commentModel.get('message'), commentModel.get('mentions'))
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}, commentModel.attributes);
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return data;
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},
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_toggleLoading: function(state) {
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this._loading = state;
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this.$el.find('.loading').toggleClass('hidden', !state);
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},
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_onRequest: function(type) {
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if (type === 'REPORT') {
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this._toggleLoading(true);
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this.$el.find('.showMore').addClass('hidden');
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}
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},
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_onEndRequest: function(type) {
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var fileInfoModel = this.model;
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this._toggleLoading(false);
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this.$el.find('.emptycontent').toggleClass('hidden', !!this.collection.length);
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this.$el.find('.showMore').toggleClass('hidden', !this.collection.hasMoreResults());
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if (type !== 'REPORT') {
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return;
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}
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// find first unread comment
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var firstUnreadComment = this.collection.findWhere({isUnread: true});
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if (firstUnreadComment) {
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// update read marker
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this.collection.updateReadMarker(
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null,
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{
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success: function() {
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fileInfoModel.set('commentsUnread', 0);
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}
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}
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);
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}
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},
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_onAddModel: function(model, collection, options) {
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var $el = $(this.commentTemplate(this._formatItem(model)));
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if (!_.isUndefined(options.at) && collection.length > 1) {
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this.$container.find('li').eq(options.at).before($el);
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} else {
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this.$container.append($el);
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}
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this._postRenderItem($el);
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},
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_postRenderItem: function($el) {
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$el.find('.has-tooltip').tooltip();
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$el.find('.avatar').each(function() {
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var $this = $(this);
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$this.avatar($this.attr('data-username'), 32);
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});
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var username = $el.find('.avatar').data('username');
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if (username !== oc_current_user) {
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$el.find('.authorRow .avatar, .authorRow .author').contactsMenu(
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username, 0, $el.find('.authorRow'));
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}
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var message = $el.find('.message');
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message.find('.avatar').each(function() {
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var avatar = $(this);
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var strong = $(this).next();
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var appendTo = $(this).parent();
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$.merge(avatar, strong).contactsMenu(avatar.data('user'), 0, appendTo);
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});
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},
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/**
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* Convert a message to be displayed in HTML,
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* converts newlines to <br> tags.
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*/
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_formatMessage: function(message, mentions) {
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message = escapeHTML(message).replace(/\n/g, '<br/>');
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for(var i in mentions) {
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var mention = '@' + mentions[i].mentionId;
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var avatar = '<div class="avatar" '
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+ 'data-user="' + _.escape(mentions[i].mentionId) + '"'
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+' data-user-display-name="'
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+ _.escape(mentions[i].mentionDisplayName) + '"></div>';
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// escape possible regex characters in the name
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mention = mention.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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var displayName = ''
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+ '<span class="avatar-name-wrapper">'
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+ avatar + ' <strong>'+ _.escape(mentions[i].mentionDisplayName)+'</strong>'
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+ '</span>';
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// replace every mention either at the start of the input or after a whitespace
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// followed by a non-word character.
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message = message.replace(new RegExp("(^|\\s)(" + mention + ")\\b", 'g'),
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function(match, p1) {
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// to get number of whitespaces (0 vs 1) right
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return p1+displayName;
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}
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);
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}
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return message;
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},
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nextPage: function() {
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if (this._loading || !this.collection.hasMoreResults()) {
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return;
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}
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this.collection.fetchNext();
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},
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_onClickEditComment: function(ev) {
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ev.preventDefault();
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var $comment = $(ev.target).closest('.comment');
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var commentId = $comment.data('id');
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var commentToEdit = this.collection.get(commentId);
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var $formRow = $(this.editCommentTemplate(_.extend({
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isEditMode: true,
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submitText: t('comments', 'Save')
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}, commentToEdit.attributes)));
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$comment.addClass('hidden').removeClass('collapsed');
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// spawn form
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$comment.after($formRow);
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$formRow.data('commentEl', $comment);
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$formRow.find('textarea').on('keydown input change', this._onTypeComment);
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// copy avatar element from original to avoid flickering
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$formRow.find('.avatar:first').replaceWith($comment.find('.avatar:first').clone());
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$formRow.find('.has-tooltip').tooltip();
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// Enable autosize
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autosize($formRow.find('textarea'));
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return false;
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},
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_onTypeComment: function(ev) {
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var $field = $(ev.target);
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var len = $field.val().length;
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var $submitButton = $field.data('submitButtonEl');
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if (!$submitButton) {
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$submitButton = $field.closest('form').find('.submit');
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$field.data('submitButtonEl', $submitButton);
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}
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$field.tooltip('hide');
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if (len > this._commentMaxThreshold) {
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$field.attr('data-original-title', t('comments', 'Allowed characters {count} of {max}', {count: len, max: this._commentMaxLength}));
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$field.tooltip({trigger: 'manual'});
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$field.tooltip('show');
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$field.addClass('error');
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}
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var limitExceeded = (len > this._commentMaxLength);
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$field.toggleClass('error', limitExceeded);
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$submitButton.prop('disabled', limitExceeded);
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//submits form on ctrl+Enter or cmd+Enter
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if (ev.keyCode === 13 && (ev.ctrlKey || ev.metaKey)) {
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$submitButton.click();
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}
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},
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_onClickComment: function(ev) {
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var $row = $(ev.target);
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if (!$row.is('.comment')) {
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$row = $row.closest('.comment');
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}
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$row.removeClass('collapsed');
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},
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_onClickCloseComment: function(ev) {
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ev.preventDefault();
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var $row = $(ev.target).closest('.comment');
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$row.data('commentEl').removeClass('hidden');
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$row.remove();
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return false;
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},
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_onClickDeleteComment: function(ev) {
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ev.preventDefault();
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var $comment = $(ev.target).closest('.comment');
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var commentId = $comment.data('id');
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var $loading = $comment.find('.submitLoading');
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$comment.addClass('disabled');
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$loading.removeClass('hidden');
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this.collection.get(commentId).destroy({
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success: function() {
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$comment.data('commentEl').remove();
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$comment.remove();
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},
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error: function() {
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$loading.addClass('hidden');
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$comment.removeClass('disabled');
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OC.Notification.showTemporary(t('comments', 'Error occurred while retrieving comment with id {id}', {id: commentId}));
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}
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});
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return false;
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},
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_onClickShowMore: function(ev) {
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ev.preventDefault();
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this.nextPage();
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},
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/**
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* takes care of updating comment elements after submit (either new
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* comment or edit).
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*
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* @param {OC.Backbone.Model} model
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* @param {jQuery} $form
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* @param {string|undefined} commentId
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* @private
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*/
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_onSubmitSuccess: function(model, $form, commentId) {
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var self = this;
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var $submit = $form.find('.submit');
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var $loading = $form.find('.submitLoading');
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var $textArea = $form.find('.message');
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model.fetch({
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success: function(model) {
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$submit.removeClass('hidden');
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$loading.addClass('hidden');
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var $target;
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if(!_.isUndefined(commentId)) {
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var $row = $form.closest('.comment');
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$target = $row.data('commentEl');
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$target.removeClass('hidden');
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$row.remove();
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} else {
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$target = $('.commentsTabView .comments').find('li:first');
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$textArea.val('').prop('disabled', false);
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}
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$target.find('.message')
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.html(self._formatMessage(model.get('message'), model.get('mentions')))
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.find('.avatar')
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.each(function () { $(this).avatar(); });
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},
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error: function () {
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self._onSubmitError($form, commentId);
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}
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});
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},
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_onSubmitComment: function(e) {
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var self = this;
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var $form = $(e.target);
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var commentId = $form.closest('.comment').data('id');
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var currentUser = OC.getCurrentUser();
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var $submit = $form.find('.submit');
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var $loading = $form.find('.submitLoading');
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var $textArea = $form.find('.message');
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var message = $textArea.val().trim();
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e.preventDefault();
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if (!message.length || message.length > this._commentMaxLength) {
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return;
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}
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$textArea.prop('disabled', true);
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$submit.addClass('hidden');
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$loading.removeClass('hidden');
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if (commentId) {
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// edit mode
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var comment = this.collection.get(commentId);
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comment.save({
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message: $textArea.val()
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}, {
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success: function(model) {
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self._onSubmitSuccess(model, $form, commentId);
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},
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error: function() {
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self._onSubmitError($form, commentId);
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}
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});
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} else {
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this.collection.create({
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actorId: currentUser.uid,
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actorDisplayName: currentUser.displayName,
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actorType: 'users',
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verb: 'comment',
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message: $textArea.val(),
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creationDateTime: (new Date()).toUTCString()
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}, {
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at: 0,
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// wait for real creation before adding
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wait: true,
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success: function(model) {
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self._onSubmitSuccess(model, $form);
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},
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error: function() {
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self._onSubmitError($form);
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}
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});
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}
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return false;
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},
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/**
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* takes care of updating the UI after an error on submit (either new
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* comment or edit).
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*
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* @param {jQuery} $form
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* @param {string|undefined} commentId
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* @private
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*/
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_onSubmitError: function($form, commentId) {
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$form.find('.submit').removeClass('hidden');
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$form.find('.submitLoading').addClass('hidden');
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$form.find('.message').prop('disabled', false);
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if(!_.isUndefined(commentId)) {
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OC.Notification.show(t('comments', 'Error occurred while updating comment with id {id}', {id: commentId}), {type: 'error'});
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} else {
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OC.Notification.show(t('comments', 'Error occurred while posting comment'), {type: 'error'});
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}
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},
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/**
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* Returns whether the given message is long and needs
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* collapsing
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*/
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_isLong: function(message) {
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return message.length > 250 || (message.match(/\n/g) || []).length > 1;
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}
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});
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OCA.Comments.CommentsTabView = CommentsTabView;
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})(OC, OCA);
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