720 lines
21 KiB
JavaScript
720 lines
21 KiB
JavaScript
/*
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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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' <div contentEditable="true" class="message" data-placeholder="{{newMessagePlaceholder}}">{{message}}</div>' +
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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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_autoCompleteData: undefined,
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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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'keyup div.message': '_onTextChange',
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'change div.message': '_onTextChange',
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'input div.message': '_onTextChange',
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'paste div.message': '_onPaste'
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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.collection.on('change:message', this._onChangeModel, 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', '_initAutoComplete', '_onAutoComplete');
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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._initAutoComplete($('#commentsTabView').find('.newCommentForm .message'));
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this.collection.setObjectId(this.model.id);
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// reset to first page
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this.collection.reset([], {silent: true});
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this.nextPage();
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} else {
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this.model = null;
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this.render();
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this.collection.reset();
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}
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},
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render: function() {
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this.$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.$el.find('.newCommentRow .message'))
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},
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_initAutoComplete: function($target) {
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var s = this;
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var limit = 10;
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if(!_.isUndefined(OC.appConfig.comments)) {
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limit = OC.appConfig.comments.maxAutoCompleteResults;
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}
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$target.atwho({
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at: '@',
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limit: limit,
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callbacks: {
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remoteFilter: s._onAutoComplete,
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highlighter: function (li) {
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// misuse the highlighter callback to instead of
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// highlighting loads the avatars.
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var $li = $(li);
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$li.find('.avatar').avatar(undefined, 32);
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return $li;
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},
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sorter: function (q, items) { return items; }
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},
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displayTpl: '<li>'
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+ '<span class="avatar-name-wrapper">'
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+ '<div class="avatar" '
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+ 'data-username="${id}"' // for avatars
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+ ' data-user="${id}"' // for contactsmenu
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+ ' data-user-display-name="${label}"></div>'
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+ ' <strong>${label}</strong>'
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+ '</span></li>',
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insertTpl: ''
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+ '<span class="avatar-name-wrapper">'
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+ '<div class="avatar" '
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+ 'data-username="${id}"' // for avatars
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+ ' data-user="${id}"' // for contactsmenu
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+ ' data-user-display-name="${label}"></div>'
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+ ' <strong>${label}</strong>'
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+ '</span>',
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searchKey: "label"
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});
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$target.on('inserted.atwho', function (je, $el) {
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s._postRenderItem(
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// we need to pass the parent of the inserted element
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// passing the whole comments form would re-apply and request
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// avatars from the server
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$(je.target).find(
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'div[data-username="' + $el.find('[data-username]').data('username') + '"]'
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).parent()
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);
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});
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},
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_onAutoComplete: function(query, callback) {
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if(_.isEmpty(query)) {
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return;
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}
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var s = this;
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if(!_.isUndefined(this._autoCompleteRequestTimer)) {
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clearTimeout(this._autoCompleteRequestTimer);
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}
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this._autoCompleteRequestTimer = _.delay(function() {
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if(!_.isUndefined(this._autoCompleteRequestCall)) {
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this._autoCompleteRequestCall.abort();
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}
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this._autoCompleteRequestCall = $.get(
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OC.generateUrl('/autocomplete/get'),
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{
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search: query,
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itemType: 'files',
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itemId: s.model.get('id'),
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sorter: 'commenters|share-recipients',
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limit: OC.appConfig.comments.maxAutoCompleteResults
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},
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function (data) {
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callback(data);
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}
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);
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}, 400);
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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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/**
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* takes care of post-rendering after a new comment was added to the
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* collection
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*
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* @param model
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* @param collection
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* @param options
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* @private
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*/
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_onAddModel: function(model, collection, options) {
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// we need to render it immediately, to ensure that the right
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// order of comments is kept on opening comments tab
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var $comment = $(this.commentTemplate(this._formatItem(model)));
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if (!_.isUndefined(options.at) && collection.length > 1) {
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this.$container.find('li').eq(options.at).before($comment);
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} else {
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this.$container.append($comment);
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}
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this._postRenderItem($comment);
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$('#commentsTabView').find('.newCommentForm div.message').text('').prop('disabled', false);
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// we need to update the model, because it consists of client data
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// only, but the server might add meta data, e.g. about mentions
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var oldMentions = model.get('mentions');
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var self = this;
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model.fetch({
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success: function (model) {
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if(_.isEqual(oldMentions, model.get('mentions'))) {
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// don't attempt to render if unnecessary, avoids flickering
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return;
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}
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var $updated = $(self.commentTemplate(self._formatItem(model)));
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$comment.html($updated.html());
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self._postRenderItem($comment);
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}
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})
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},
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/**
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* takes care of post-rendering after a new comment was edited
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*
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* @param model
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* @private
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*/
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_onChangeModel: function (model) {
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if(model.get('message').trim() === model.previous('message').trim()) {
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return;
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}
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var $form = this.$container.find('.comment[data-id="' + model.id + '"] form');
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var $row = $form.closest('.comment');
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var $target = $row.data('commentEl');
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if(_.isUndefined($target)) {
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// ignore noise – this is only set after editing a comment and hitting post
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return;
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}
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var self = this;
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// we need to update the model, because it consists of client data
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// only, but the server might add meta data, e.g. about mentions
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model.fetch({
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success: function (model) {
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$target.removeClass('hidden');
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$row.remove();
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var $message = $target.find('.message');
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$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 () { $(this).avatar(); });
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self._postRenderItem($message);
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}
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});
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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 = $el.find('.message');
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if($message.length === 0) {
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// it is the case when writing a comment and mentioning a person
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$message = $el;
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}
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this._postRenderMessage($message);
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},
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_postRenderMessage: function($el) {
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$el.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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if(!mentions.hasOwnProperty(i)) {
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return;
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}
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var mention = '@' + mentions[i].mentionId;
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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 = this._composeHTMLMention(mentions[i].mentionId, mentions[i].mentionDisplayName);
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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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_composeHTMLMention: function(uid, displayName) {
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var avatar = '<div class="avatar" '
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+ 'data-username="' + _.escape(uid) + '"'
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+ ' data-user="' + _.escape(uid) + '"'
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+ ' data-user-display-name="'
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+ _.escape(displayName) + '"></div>';
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return ''
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+ '<span class="atwho-inserted" contenteditable="false">'
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+ '<span class="avatar-name-wrapper">'
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+ avatar + ' <strong>'+ _.escape(displayName)+'</strong>'
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+ '</span>'
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+ '</span>';
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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('.message').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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var $message = $formRow.find('.message');
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$message
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.html(this._formatMessage(commentToEdit.get('message'), commentToEdit.get('mentions')))
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.find('.avatar')
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.each(function () { $(this).avatar(); });
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this._postRenderItem($message);
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// Enable autosize
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autosize($formRow.find('.message'));
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// enable autocomplete
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this._initAutoComplete($formRow.find('.message'));
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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');
|
||
}
|
||
|
||
var limitExceeded = (len > this._commentMaxLength);
|
||
$field.toggleClass('error', limitExceeded);
|
||
$submitButton.prop('disabled', limitExceeded);
|
||
|
||
//submits form on ctrl+Enter or cmd+Enter
|
||
if (ev.keyCode === 13 && (ev.ctrlKey || ev.metaKey)) {
|
||
$submitButton.click();
|
||
}
|
||
},
|
||
|
||
_onClickComment: function(ev) {
|
||
var $row = $(ev.target);
|
||
if (!$row.is('.comment')) {
|
||
$row = $row.closest('.comment');
|
||
}
|
||
$row.removeClass('collapsed');
|
||
},
|
||
|
||
_onClickCloseComment: function(ev) {
|
||
ev.preventDefault();
|
||
var $row = $(ev.target).closest('.comment');
|
||
$row.data('commentEl').removeClass('hidden');
|
||
$row.remove();
|
||
return false;
|
||
},
|
||
|
||
_onClickDeleteComment: function(ev) {
|
||
ev.preventDefault();
|
||
var $comment = $(ev.target).closest('.comment');
|
||
var commentId = $comment.data('id');
|
||
var $loading = $comment.find('.submitLoading');
|
||
|
||
$comment.addClass('disabled');
|
||
$loading.removeClass('hidden');
|
||
this.collection.get(commentId).destroy({
|
||
success: function() {
|
||
$comment.data('commentEl').remove();
|
||
$comment.remove();
|
||
},
|
||
error: function() {
|
||
$loading.addClass('hidden');
|
||
$comment.removeClass('disabled');
|
||
OC.Notification.showTemporary(t('comments', 'Error occurred while retrieving comment with id {id}', {id: commentId}));
|
||
}
|
||
});
|
||
|
||
return false;
|
||
},
|
||
|
||
_onClickShowMore: function(ev) {
|
||
ev.preventDefault();
|
||
this.nextPage();
|
||
},
|
||
|
||
/**
|
||
* takes care of updating comment element states after submit (either new
|
||
* comment or edit).
|
||
*
|
||
* @param {OC.Backbone.Model} model
|
||
* @param {jQuery} $form
|
||
* @private
|
||
*/
|
||
_onSubmitSuccess: function(model, $form) {
|
||
var $submit = $form.find('.submit');
|
||
var $loading = $form.find('.submitLoading');
|
||
|
||
$submit.removeClass('hidden');
|
||
$loading.addClass('hidden');
|
||
},
|
||
|
||
_commentBodyHTML2Plain: function($el) {
|
||
var $comment = $el.clone();
|
||
|
||
$comment.find('.avatar-name-wrapper').each(function () {
|
||
var $this = $(this);
|
||
var $inserted = $this.parent();
|
||
$inserted.html('@' + $this.find('.avatar').data('username'));
|
||
});
|
||
|
||
var oldHtml;
|
||
var html = $comment.html();
|
||
do {
|
||
// replace works one by one
|
||
oldHtml = html;
|
||
html = oldHtml.replace("<br>", "\n"); // preserve line breaks
|
||
console.warn(html)
|
||
} while(oldHtml !== html);
|
||
$comment.html(html);
|
||
|
||
return $comment.text();
|
||
},
|
||
|
||
_onSubmitComment: function(e) {
|
||
var self = this;
|
||
var $form = $(e.target);
|
||
var commentId = $form.closest('.comment').data('id');
|
||
var currentUser = OC.getCurrentUser();
|
||
var $submit = $form.find('.submit');
|
||
var $loading = $form.find('.submitLoading');
|
||
var $commentField = $form.find('.message');
|
||
var message = $commentField.text().trim();
|
||
e.preventDefault();
|
||
|
||
if (!message.length || message.length > this._commentMaxLength) {
|
||
return;
|
||
}
|
||
|
||
$commentField.prop('disabled', true);
|
||
$submit.addClass('hidden');
|
||
$loading.removeClass('hidden');
|
||
|
||
message = this._commentBodyHTML2Plain($commentField);
|
||
if (commentId) {
|
||
// edit mode
|
||
var comment = this.collection.get(commentId);
|
||
comment.save({
|
||
message: message
|
||
}, {
|
||
success: function(model) {
|
||
self._onSubmitSuccess(model, $form);
|
||
},
|
||
error: function() {
|
||
self._onSubmitError($form, commentId);
|
||
}
|
||
});
|
||
} else {
|
||
this.collection.create({
|
||
actorId: currentUser.uid,
|
||
actorDisplayName: currentUser.displayName,
|
||
actorType: 'users',
|
||
verb: 'comment',
|
||
message: message,
|
||
creationDateTime: (new Date()).toUTCString()
|
||
}, {
|
||
at: 0,
|
||
// wait for real creation before adding
|
||
wait: true,
|
||
success: function(model) {
|
||
self._onSubmitSuccess(model, $form);
|
||
},
|
||
error: function() {
|
||
self._onSubmitError($form, undefined);
|
||
}
|
||
});
|
||
}
|
||
|
||
return false;
|
||
},
|
||
|
||
/**
|
||
* takes care of updating the UI after an error on submit (either new
|
||
* comment or edit).
|
||
*
|
||
* @param {jQuery} $form
|
||
* @param {string|undefined} commentId
|
||
* @private
|
||
*/
|
||
_onSubmitError: function($form, commentId) {
|
||
$form.find('.submit').removeClass('hidden');
|
||
$form.find('.submitLoading').addClass('hidden');
|
||
$form.find('.message').prop('disabled', false);
|
||
|
||
if(!_.isUndefined(commentId)) {
|
||
OC.Notification.show(t('comments', 'Error occurred while updating comment with id {id}', {id: commentId}), {type: 'error'});
|
||
} else {
|
||
OC.Notification.show(t('comments', 'Error occurred while posting comment'), {type: 'error'});
|
||
}
|
||
},
|
||
|
||
/**
|
||
* ensures the contenteditable div is really empty, when user removed
|
||
* all input, so that the placeholder will be shown again
|
||
*
|
||
* @private
|
||
*/
|
||
_onTextChange: function() {
|
||
var $message = $('#commentsTabView').find('.newCommentForm div.message');
|
||
if(!$message.text().trim().length) {
|
||
$message.empty();
|
||
}
|
||
},
|
||
|
||
/**
|
||
* Limit pasting to plain text
|
||
*
|
||
* @param e
|
||
* @private
|
||
*/
|
||
_onPaste: function (e) {
|
||
e.preventDefault();
|
||
var text = e.originalEvent.clipboardData.getData("text/plain");
|
||
document.execCommand('insertText', false, text);
|
||
},
|
||
|
||
/**
|
||
* Returns whether the given message is long and needs
|
||
* collapsing
|
||
*/
|
||
_isLong: function(message) {
|
||
return message.length > 250 || (message.match(/\n/g) || []).length > 1;
|
||
}
|
||
});
|
||
|
||
OCA.Comments.CommentsTabView = CommentsTabView;
|
||
})(OC, OCA);
|