'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (C) Copyright IBM Corp. 2013, 2020
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *
 * VisController
 * The VisController object is a collection of methods that use the visModel and modify it.
 *
 */
define(['underscore', './VisActionHelper', './VisRenderSequence', '../../lib/@waca/core-client/js/core-client/ui/core/Events'], function (_, VisActionHelper, VisRenderSequence, Events) {
	'use strict';

	var VisController = null; // class declaration

	VisController = Events.extend({

		init: function init(attributes) {
			VisController.inherited('init', this, [attributes]);

			this._visModel = attributes.visModel; //TODO: Deprecate this!
			this._visAPI = attributes.visAPI;
			this._ownerWidget = attributes.ownerWidget;
			this._visRenderSequence = new VisRenderSequence(attributes);
			this._visSelectionController = attributes.selectionController;
			this._visActionHelper = new VisActionHelper(_.extend(attributes, {
				selectionController: this._visSelectionController,
				content: this._ownerWidget.content
			}));
			attributes.cbGetActionsForFilter = this._visActionHelper.getActionsForLocalFilter.bind(this._visActionHelper);
			attributes.getNewFilterActionForContextColumn = this._visActionHelper.getNewFilterActionForContextColumn;

			//CONTROLLER SUB-INTERFACE METHODS
			/**
    * SELECTIONCONTROLLER API METHODS.....(selection controller methods exposed via visController directly).
    */
			var sc = this._visSelectionController;

			//Main selection API's
			this.select = sc.select.bind(sc);
			this.getItemKeys = sc.getItemKeys.bind(sc);

			//Single column selection API's
			this.isItemSelected = sc.isItemSelected.bind(sc);
			this.isValueSelected = sc.isValueSelected.bind(sc);
			this.getSelectedValues = sc.getSelectedValues.bind(sc);
			this.getSelectedTuples = sc.getSelectedTuples.bind(sc);
		},

		getAPI: function getAPI() {
			// Expose the controller as a deprecated feature for nwo
			return this;
		},

		destroy: function destroy() {

			if (this._visSelectionController) {
				this._visSelectionController.remove();
				this._visSelectionController = null;
			}
			if (this._visActionHelper) {
				this._visActionHelper.remove();
				delete this._visActionHelper;
			}
			if (this._visRenderSequence) {
				this._visRenderSequence.remove();
				delete this._visRenderSequence;
			}
		},

		/**
   * @returns an object that handles 'actions' such as those that appear on the contextual toolbar
   *			like filter and sort changes
   */
		getActionHelper: function getActionHelper() {
			return this._visActionHelper;
		},

		/**
   * @returns The render sequence object which controls the flow of rendering for all visualization types.
   */
		getRenderSequence: function getRenderSequence() {
			return this._visRenderSequence;
		}
	});

	return VisController;
});
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