'use strict';

/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| IBM Cognos Products: Content Explorer
 *| (C) Copyright IBM Corp. 2015, 2020
 *|
 *| US Government Users Restricted Rights - Use, duplication or disclosure
 *| restricted by GSA ADP Schedule Contract with IBM Corp.
 *+------------------------------------------------------------------------+
 */
define(['../../../lib/@waca/dashboard-common/dist/glass/controllers/WidgetBaseActionHandler', '../../../app/nls/StringResources', '../../../lib/@waca/core-client/js/core-client/utils/ClassFactory', 'underscore'], function (BaseClass, stringResources, ClassFactory, _) {

	return BaseClass.extend({

		getDashboardView: function getDashboardView(context) {
			return context.glassContext.appController.getCurrentContentView();
		},

		getUiHelperClass: function getUiHelperClass() {
			return ClassFactory.loadModule('dashboard-core/js/lib/@waca/dashboard-common/dist/ui/WidgetAddUIHelper');
		},

		getOptions: function getOptions(context) {
			var _this = this;

			var view = this.getDashboardView(context);
			var dashboardApi = view.getDashboardApi();
			var options = {
				module: 'dashboard-core/js/dashboard/views/CustomWidgetListView',
				label: stringResources.get('customWidgetsTitle'),
				getEntries: this.getEntries.bind(this),
				className: 'customWidgetSlideout',
				services: view.services,
				dashboardApi: dashboardApi
			};

			return this._createWidgetAddUIHelper(context, dashboardApi).then(function (widgetHelper) {
				options.onItemClick = function (entry, event) {
					return _this._onItemClickHandler(entry, event, widgetHelper, dashboardApi);
				};
				options.onItemStartDrag = widgetHelper.addWidgetByDrag.bind(widgetHelper);
				return options;
			});
		},

		_onItemClickHandler: function _onItemClickHandler(entry, event, widgetHelper, dashboardApi) {
			var logger = dashboardApi.getFeature('Logger');
			var canvas = dashboardApi.getFeature('Canvas');
			var contentRegistryFeature = dashboardApi.getFeature('ContentTypeRegistry');
			if (contentRegistryFeature.isTypeRegistered(entry.type)) {
				return canvas.addContent(entry.defaultSpec).catch(function (error) {
					logger.log(error);
				});
			}
			return widgetHelper.addWidgetBySelection(entry, event);
		},

		getEntries: function getEntries(context) {
			var view = this.getDashboardView(context);
			var dashboardApi = view.getDashboardApi();
			var contentRegistryFeature = dashboardApi.getFeature('ContentTypeRegistry');
			return this._createWidgetAddUIHelper(context, dashboardApi).then(function (widgetHelper) {
				return widgetHelper.fetchWidgetListFromPerspective('com.ibm.bi.dashboard.widgets', context.glassContext);
			}).then(function (entries) {
				entries.list = _.filter(entries.list, function (entry) {
					return entry.builtin ? false : true;
				});
				entries.list = entries.list.concat(contentRegistryFeature.getExposedContents());
				return entries;
			});
		},

		// Private
		_createWidgetAddUIHelper: function _createWidgetAddUIHelper(context, dashboardApi) {
			var view = this.getDashboardView(context);
			var uiHelperClassOptions = {
				services: view.services,
				dashboardApi: dashboardApi
			};

			return this.getUiHelperClass().then(function (UIHelperClass) {
				var widgetAddUIHelper = new UIHelperClass(uiHelperClassOptions);
				widgetAddUIHelper.panelAttributes = {
					cdnUrl: dashboardApi.getCDNUrl(),
					glassContext: context.glassContext
				};
				return widgetAddUIHelper;
			});
		}

	});
});
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