48 lines
1.6 KiB
JavaScript
48 lines
1.6 KiB
JavaScript
/* vim: ts=4:sw=4:expandtab
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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var Whisper = Whisper || {};
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(function () {
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'use strict';
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/*
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* Generic list view that watches a given collection, wraps its members in
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* a given child view and adds the child view elements to its own element.
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*/
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Whisper.ListView = Backbone.View.extend({
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tagName: 'ul',
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itemView: Backbone.View,
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initialize: function() {
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this.listenTo(this.collection, 'change', this.render); // auto update
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this.listenTo(this.collection, 'add', this.addOne);
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this.listenTo(this.collection, 'reset', this.addAll);
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this.listenTo(this.collection, 'all', this.render);
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},
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addOne: function(model) {
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if (this.itemView) {
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var view = new this.itemView({model: model});
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this.$el.append(view.render().el);
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this.$el.trigger('add');
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}
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},
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addAll: function() {
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this.$el.html('');
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this.collection.each(this.addOne, this);
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}
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});
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})();
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