2016-03-11 14:23:08 -08:00

66 lines
2.2 KiB
JavaScript

/*****************************************************************************
* Open MCT Web, Copyright (c) 2014-2015, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT Web is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* Open MCT Web includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
/*global define*/
define([
'angular',
'text!../../res/templates/tree/toggle.html'
], function (angular, toggleTemplate) {
function ToggleView(state) {
this.expanded = !!state;
this.callbacks = [];
this.el = angular.element(toggleTemplate);
this.el.on('click', function () {
this.model(!this.expanded);
}.bind(this));
}
ToggleView.prototype.model = function (state) {
this.expanded = state;
if (state) {
this.el.addClass('expanded');
} else {
this.el.removeClass('expanded');
}
this.callbacks.forEach(function (callback) {
callback(state);
});
};
ToggleView.prototype.observe = function (callback) {
this.callbacks.push(callback);
return function () {
this.callbacks = this.callbacks.filter(function (c) {
return c !== callback;
});
}.bind(this);
};
ToggleView.prototype.elements = function () {
return this.el;
};
return ToggleView;
});