server/apps/comments/js/commentstabview.js
2016-02-03 16:18:14 +01:00

257 lines
7 KiB
JavaScript

/*
* Copyright (c) 2016
*
* This file is licensed under the Affero General Public License version 3
* or later.
*
* See the COPYING-README file.
*
*/
(function(OC, OCA) {
var TEMPLATE =
'<div class="newCommentRow comment">' +
' <div class="authorRow">' +
' {{#if avatarEnabled}}' +
' <div class="avatar" data-username="{{userId}}"></div>' +
' {{/if}}' +
' <div class="author">{{userDisplayName}}</div>' +
' </div>' +
' <form class="newCommentForm">' +
' <textarea class="message" placeholder="{{newMessagePlaceholder}}"></textarea>' +
' <input class="submit" type="submit" value="{{submitText}}" />' +
' <div class="submitLoading icon-loading-small hidden"></div>'+
' </form>' +
' <ul class="comments">' +
' </ul>' +
'</div>' +
'<div class="empty hidden">{{emptyResultLabel}}</div>' +
'<input type="button" class="showMore hidden" value="{{moreLabel}}"' +
' name="show-more" id="show-more" />' +
'<div class="loading hidden" style="height: 50px"></div>';
var COMMENT_TEMPLATE =
'<li class="comment{{#if isUnread}} unread{{/if}}" data-id="{{id}}">' +
' <div class="authorRow">' +
' {{#if avatarEnabled}}' +
' <div class="avatar" data-username="{{actorId}}"> </div>' +
' {{/if}}' +
' <div class="author">{{actorDisplayName}}</div>' +
' <div class="date has-tooltip" title="{{altDate}}">{{date}}</div>' +
' </div>' +
' <div class="message">{{{formattedMessage}}}</div>' +
'</li>';
/**
* @memberof OCA.Comments
*/
var CommentsTabView = OCA.Files.DetailTabView.extend(
/** @lends OCA.Comments.CommentsTabView.prototype */ {
id: 'commentsTabView',
className: 'tab commentsTabView',
events: {
'submit .newCommentForm': '_onSubmitComment',
'click .showMore': '_onClickShowMore'
},
initialize: function() {
OCA.Files.DetailTabView.prototype.initialize.apply(this, arguments);
this.collection = new OCA.Comments.CommentCollection();
this.collection.on('request', this._onRequest, this);
this.collection.on('sync', this._onEndRequest, this);
this.collection.on('add', this._onAddModel, this);
this._avatarsEnabled = !!OC.config.enable_avatars;
// TODO: error handling
_.bindAll(this, '_onSubmitComment');
},
template: function(params) {
if (!this._template) {
this._template = Handlebars.compile(TEMPLATE);
}
var currentUser = OC.getCurrentUser();
return this._template(_.extend({
avatarEnabled: this._avatarsEnabled,
userId: currentUser.uid,
userDisplayName: currentUser.displayName,
newMessagePlaceholder: t('comments', 'Type in a new comment...'),
submitText: t('comments', 'Post')
}, params));
},
commentTemplate: function(params) {
if (!this._commentTemplate) {
this._commentTemplate = Handlebars.compile(COMMENT_TEMPLATE);
}
return this._commentTemplate(_.extend({
avatarEnabled: this._avatarsEnabled
}, params));
},
getLabel: function() {
return t('comments', 'Comments');
},
setFileInfo: function(fileInfo) {
if (fileInfo) {
this.model = fileInfo;
this.render();
this.collection.setObjectId(fileInfo.id);
// reset to first page
this.collection.reset([], {silent: true});
this.nextPage();
} else {
this.model = null;
this.render();
this.collection.reset();
}
},
render: function() {
this.$el.html(this.template({
emptyResultLabel: t('comments', 'No other comments available'),
moreLabel: t('comments', 'More comments...')
}));
this.$el.find('.has-tooltip').tooltip();
this.$container = this.$el.find('ul.comments');
this.$el.find('.avatar').avatar(OC.getCurrentUser().uid, 28);
this.delegateEvents();
},
_formatItem: function(commentModel) {
var timestamp = new Date(commentModel.get('creationDateTime')).getTime();
var data = _.extend({
date: OC.Util.relativeModifiedDate(timestamp),
altDate: OC.Util.formatDate(timestamp),
formattedMessage: this._formatMessage(commentModel.get('message'))
}, commentModel.attributes);
return data;
},
_toggleLoading: function(state) {
this._loading = state;
this.$el.find('.loading').toggleClass('hidden', !state);
},
_onRequest: function() {
this._toggleLoading(true);
this.$el.find('.showMore').addClass('hidden');
},
_onEndRequest: function(type) {
var fileInfoModel = this.model;
this._toggleLoading(false);
this.$el.find('.empty').toggleClass('hidden', !!this.collection.length);
this.$el.find('.showMore').toggleClass('hidden', !this.collection.hasMoreResults());
if (type !== 'REPORT') {
return;
}
// find first unread comment
var firstUnreadComment = this.collection.findWhere({isUnread: true});
if (firstUnreadComment) {
// update read marker
this.collection.updateReadMarker(
null,
{
success: function() {
fileInfoModel.set('commentsUnread', 0);
}
}
);
}
},
_onAddModel: function(model, collection, options) {
var $el = $(this.commentTemplate(this._formatItem(model)));
if (!_.isUndefined(options.at) && collection.length > 1) {
this.$container.find('li').eq(options.at).before($el);
} else {
this.$container.append($el);
}
this._postRenderItem($el);
},
_postRenderItem: function($el) {
$el.find('.has-tooltip').tooltip();
if(this._avatarsEnabled) {
$el.find('.avatar').each(function() {
var $this = $(this);
$this.avatar($this.attr('data-username'), 28);
});
}
},
/**
* Convert a message to be displayed in HTML,
* converts newlines to <br> tags.
*/
_formatMessage: function(message) {
return escapeHTML(message).replace(/\n/g, '<br/>');
},
nextPage: function() {
if (this._loading || !this.collection.hasMoreResults()) {
return;
}
this.collection.fetchNext();
},
_onClickShowMore: function(ev) {
ev.preventDefault();
this.nextPage();
},
_onSubmitComment: function(e) {
var $form = $(e.target);
var currentUser = OC.getCurrentUser();
var $submit = $form.find('.submit');
var $loading = $form.find('.submitLoading');
var $textArea = $form.find('textarea');
var message = $textArea.val().trim();
e.preventDefault();
if (!message.length) {
return;
}
$textArea.prop('disabled', true);
$submit.addClass('hidden');
$loading.removeClass('hidden');
this.collection.create({
actorId: currentUser.uid,
actorDisplayName: currentUser.displayName,
actorType: 'users',
verb: 'comment',
message: $textArea.val(),
creationDateTime: (new Date()).toUTCString()
}, {
at: 0,
success: function() {
$submit.removeClass('hidden');
$loading.addClass('hidden');
$textArea.val('').prop('disabled', false);
},
error: function(msg) {
$submit.removeClass('hidden');
$loading.addClass('hidden');
$textArea.prop('disabled', false);
OC.Notification.showTemporary(msg);
}
});
return false;
}
});
OCA.Comments.CommentsTabView = CommentsTabView;
})(OC, OCA);