analytics/webcontent/bi/js/gemini/app/ui/dnd/DnDHelper.js

'use strict';

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (C) Copyright IBM Corp. 2016, 2019
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *
 * Drag-and-Drop Manager
 */
define([], function () {

	var DnDHelper = {

		_id: null,

		/** Handles drag'n'drop for when the user drags a widget on to something that isn't the actual target, but rather
   * is another page. Examples where it is used include when dragging a widget on to a frame in the filmstrip (for a story) or
   * a tab in a tabbed dashboard.
   * @param canvas - the canvasAPI
   * @param parentId - The id (string) that the widget is dropped on to.
   * @param dragObject - the widget being dragged.
   */
		handleWidgetDrop: function handleWidgetDrop(canvas, parentId, dragObject) {
			if (canvas) {
				if (dragObject.data.operation === 'new') {
					var widgetContent = this._prepareWidgetContent(parentId, dragObject);
					canvas.addContent(widgetContent);
				} else if (dragObject.data.operation === 'move') {
					var contentIdList = this._getContentIdList(dragObject);
					canvas.moveContent(parentId, contentIdList);
				}
			}
		},

		/** Prepares a drag'n'drop widget for 'blind' drops, such as when we drag a widget on to
   * a frame in the film strip that isn't the currently selected one.
   */
		_prepareWidgetContent: function _prepareWidgetContent(parentId, dragObject) {
			var layoutProperties = dragObject.data.layoutProperties.style || {};
			var widgetContent = {
				containerId: parentId,
				layout: _extends({}, layoutProperties),
				spec: _extends({
					style: layoutProperties
				}, dragObject.widgetSpec.model)
			};
			return widgetContent;
		},

		_getContentIdList: function _getContentIdList(dragObject) {
			var nodesInfoList = dragObject.data && dragObject.data.nodeInfoList;
			var contentIdList = nodesInfoList.map(function (nodesInfo) {
				if (nodesInfo && nodesInfo.node && nodesInfo.node._layout) {
					return nodesInfo.node._layout.model && nodesInfo.node._layout.model.id;
				}
			});
			return contentIdList;
		}
	};

	return DnDHelper;
});
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