analytics/webcontent/bi/js/gemini/dashboard/views/CustomWidgetListView.js

'use strict';

/**
 * Licensed Materials - Property of IBM IBM Cognos Products: BI Cloud (C)
 *
 * Copyright IBM Corp. 2016, 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/ui/SearchableListView', '../../lib/@waca/core-client/js/core-client/utils/Deferred', '../../app/nls/StringResources', 'underscore', 'doT', 'text!./templates/CustomWidgetListItem.html', 'text!./templates/EmptyWidgetList.html'], function (BaseView, Deferred, stringResources, _, dot, itemTemplate, emptyTemplate) {

	var WidgetListView = BaseView.extend({

		itemTemplate: itemTemplate,

		events: {
			'clicktap .listitem': 'onItemClick',
			'mousedown .listitem': 'onItemStartDrag',
			'drag .listitem': 'onItemStartDrag'
		},

		init: function init(options) {
			WidgetListView.inherited('init', this, arguments);
			this.options = options || {};
			this.glassContext = options.glassContext;
			this.services = options.services;
			this.dashboardApi = options.dashboardApi;
			this.whenIsReadyDfd = new Deferred();
			this._initialize();
		},

		whenIsReady: function whenIsReady() {
			return this.whenIsReadyDfd.promise;
		},

		accepts: function accepts() {
			return true;
		},

		remove: function remove() {
			if (this._dropZone) {
				this._dropZone.remove();
				this._dropZone = null;
			}
			WidgetListView.inherited('remove', this, arguments);
		},

		render: function render() {
			var dfd = WidgetListView.inherited('render', this);

			dfd.then(function () {
				if (!this.list || this.list.length === 0) {
					var empty = dot.template(emptyTemplate);
					this.$el.find('.list').append(empty({
						text: stringResources.get('noCustomWidgets')
					}));
				}
			}.bind(this));

			return dfd;
		},

		_initialize: function _initialize() {
			var DndManager = this.dashboardApi.getFeature('DashboardDnd.internal');
			this.whenIsReadyDfd.resolve();
			this._dropZone = DndManager.addDropTarget(this.$el[0], {
				accepts: this.accepts.bind(this)
			});
		},

		_getEntry: function _getEntry(ev) {
			var target = this.getTarget(ev.target, 'listitem');
			var dataId = target.getAttribute('data-id');
			// lookup with the id
			return this.widgetMap[dataId];
		},

		onItemClick: function onItemClick(ev) {
			if (this.options.onItemClick) {
				var entry = this._getEntry(ev);
				this.options.onItemClick(entry, ev);

				if (ev && ev.gesture) {
					ev.gesture.preventDefault();
				}
			}
		},

		onItemStartDrag: function onItemStartDrag(ev) {
			if (this.options.onItemStartDrag) {
				var entry = this._getEntry(ev);
				this.options.onItemStartDrag(entry, ev);
			}
		},

		/**
   * Override to provide the list of all custom widgets
   */
		getListItems: function getListItems() {
			var _this = this;

			this.$el.empty();

			return this.options.getEntries({ glassContext: this.options.glassContext }).then(function (content) {
				_this.list = content.list;

				// create the lookup map
				_this.widgetMap = _.object(_.map(content.list, function (item) {
					return [item.id, item];
				}));

				return _this.list;
			});
		},

		/**
   * Override to enable search
   */
		getCustomRenderProperties: function getCustomRenderProperties() {
			return {
				searchText: stringResources.get('find_label')
			};
		},

		/**
   * Override to provide the searchable custom widgets
   */
		_getSearchableItems: function _getSearchableItems() {
			return this.list;
		},

		/**
   * Override to provide the search property of a custom widget
   */
		_getSearchableFieldValue: function _getSearchableFieldValue(value) {
			return value.title;
		}
	});

	return WidgetListView;
});
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