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/*
* Copyright (c) 2014 DataTorrent, Inc. ALL Rights Reserved.
*
* 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.
*/
'use strict';
angular.module('ui.dashboard')
.directive('widget', ['$injector', function ($injector) {
return {
controller: 'DashboardWidgetCtrl',
link: function (scope) {
var widget = scope.widget;
var dataModelType = widget.dataModelType;
// set up data source
if (dataModelType) {
var DataModelConstructor; // data model constructor function
if (angular.isFunction(dataModelType)) {
DataModelConstructor = dataModelType;
} else if (angular.isString(dataModelType)) {
$injector.invoke([dataModelType, function (DataModelType) {
DataModelConstructor = DataModelType;
}]);
} else {
throw new Error('widget dataModelType should be function or string');
}
var ds;
if (widget.dataModelArgs) {
ds = new DataModelConstructor(widget.dataModelArgs);
} else {
ds = new DataModelConstructor();
}
widget.dataModel = ds;
ds.setup(widget, scope);
ds.init();
scope.$on('$destroy', _.bind(ds.destroy,ds));
}
// Compile the widget template, emit add event
scope.compileTemplate();
scope.$emit('widgetAdded', widget);
}
};
}]);
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