Cable-Desktop/js/views/list_view.js
lilia 0956d328da Fixes #71 Autoscroll
Conversation view autoscroll triggers on dom change, not storage change,
ensuring that we don't scroll before the new element is inserted.
2014-11-10 23:19:03 -08:00

33 lines
926 B
JavaScript

var Whisper = Whisper || {};
(function () {
'use strict';
/*
* Generic list view that watches a given collection, wraps its members in
* a given child view and adds the child view elements to its own element.
*/
Whisper.ListView = Backbone.View.extend({
tagName: 'ul',
itemView: Backbone.View,
initialize: function() {
this.listenTo(this.collection, 'change', this.render); // auto update
this.listenTo(this.collection, 'add', this.addOne);
this.listenTo(this.collection, 'reset', this.addAll);
this.listenTo(this.collection, 'all', this.render);
},
addOne: function(model) {
if (this.itemView) {
var view = new this.itemView({model: model});
this.$el.append(view.render().el);
this.$el.trigger('add');
}
},
addAll: function() {
this.$el.html('');
this.collection.each(this.addOne, this);
}
});
})();