analytics/webcontent/bi/js/dashboard-analytics/features/content/visDnD/VisDnD.js

'use strict';

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

/**
 * Licensed Materials - Property of IBM
 * IBM Business Analytics (C) Copyright IBM Corp. 2019, 2020
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */

/**
 * @class VisDnD
 * @hideconstructor
 *
 * @classdesc Handles drag and drop of metadata to create a visualization.
 */
define(['./api/VisDnDAPI', '../../../lib/@waca/dashboard-common/dist/core/APIFactory', './VisDnDProviderSet'], function (DnDProviderAPI, APIFactory, VisDnDProviderSet) {

	return function () {
		function VisDnD(_ref) {
			var content = _ref.content,
			    features = _ref.features;

			_classCallCheck(this, VisDnD);

			this.content = content;
			this.dashboardAPI = features['API'];
			this.dashboardDnD = features['Dashboard.DashboardDnd'];
			this.visualization = features['Visualization'];
			this.providerSets = {};
		}

		//to fix the problem that constructor won't be invoked when vidDnd feature is loaded


		VisDnD.prototype.initialize = function initialize() {};

		VisDnD.prototype.getAPI = function getAPI() {
			if (!this.api) {
				this.api = APIFactory.createAPI(this, [DnDProviderAPI]);
			}
			return this.api;
		};

		VisDnD.prototype.destroy = function destroy() {
			var _this = this;

			this.dashboardAPI = null;
			this.content = null;
			this.utils && this.utils.destroy();
			this.utilsApi = null;
			this.api = null;

			Object.keys(this.providerSets).forEach(function (providerKey) {
				_this.providerSets[providerKey].destroy();
			});
			this.providerSets = null;
		};

		VisDnD.prototype.registerProviders = function registerProviders(type) {
			var providers = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
			var containedTargetsToIgnore = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];

			if (type && providers && providers.length) {
				var providerSet = this.providerSets[type];
				if (providerSet) {
					providerSet.addProviders(providers);
				} else {
					this.providerSets[type] = new VisDnDProviderSet({
						dashboardAPI: this.dashboardAPI,
						dashboardDnD: this.dashboardDnD,
						content: this.content,
						targetType: type,
						dndProviderList: providers,
						containedTargetsToIgnore: containedTargetsToIgnore
					});
				}
			}
		};

		VisDnD.prototype.accepts = function accepts(source, target) {
			if (this.providerSets[target.type] && this.providerSets[target.type].accepts) {
				return this.providerSets[target.type].accepts(source, target);
			}
			return false;
		};

		VisDnD.prototype.onDrop = function onDrop(source, target) {
			if (this.providerSets[target.type] && this.providerSets[target.type].onDrop) {
				this.providerSets[target.type].onDrop(source, target);
			}
		};

		return VisDnD;
	}();
});
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