analytics/webcontent/bi/js/gemini/app/ui/ContextMenu.js

'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (C) Copyright IBM Corp. 2014, 2017
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */
define(['jquery', '../../lib/@waca/dashboard-common/dist/ui/toolbar_components/Menu'], function ($, Menu) {

	var ContextMenuItem = null;

	/**
  * Represents a context down menu
  */
	ContextMenuItem = Menu.extend({
		init: function init(options) {
			this.oInvokedContext = null;
			this.nPreviousFocus = null;
			ContextMenuItem.inherited('init', this, arguments);

			if (options.selectedIndex) {
				this.selectedIndex = options.selectedIndex;
			}
		},

		_performAction: function _performAction(id) {
			var action = this.itemActions[id];
			var oInvokedContext = this.oInvokedContext;
			if (action) {
				// Delay the action slightly to allow bootstrap to close the menu before
				// the action is fired
				setTimeout(function () {
					action(oInvokedContext);
				}, 10);
			}
			this.hide();
		},

		render: function render() {
			this.$el.addClass('contextmenu').hide();
			var promise = ContextMenuItem.inherited('render', this, arguments);
			this.$toggle.addClass('sr-only');
			this.$menu.show();
			return promise;
		},

		show: function show(event) {
			this.oInvokedContext = event;
			this.nPreviousFocus = document.activeElement;
			var oMenuNode = this.$el.find('.dropdown-menu').first();
			var oWindow = $(window);
			//Bind our initial position to the bounds of the target node
			var iInitialX = event.pageX ? event.pageX : 0;
			var iInitialY = event.pageY ? event.pageY : 0;
			if (event.target) {
				var oTarget = $(event.target);
				var oTargetCoords = oTarget.offset();
				oTargetCoords.width = oTarget.width();
				oTargetCoords.height = oTarget.height();
				if (iInitialX < oTargetCoords.left || iInitialX > oTargetCoords.left + oTargetCoords.width) {
					iInitialX = oTargetCoords.left;
				}
				if (iInitialY < oTargetCoords.top || iInitialY > oTargetCoords.top + oTargetCoords.height) {
					iInitialY = oTargetCoords.top;
				}
			}
			this.$el.show().addClass('open').css({
				left: this._getPosition(iInitialX, oWindow.width(), oMenuNode.outerWidth()),
				top: this._getPosition(iInitialY, oWindow.height(), oMenuNode.outerHeight())
			});

			var selectedItem;
			if (this.selectedIndex) {
				selectedItem = this.$el.find('.dropdown-menu a').eq(this.selectedIndex);
			} else {
				selectedItem = this.$el.find('.dropdown-menu a').first();
			}
			selectedItem.focus();

			$(document).on('click.privateViewEvents' + this.viewId + 'visible', this.hide.bind(this));
		},

		hide: function hide() {
			this.oInvokedContext = null;
			if (this.nPreviousFocus) {
				this.nPreviousFocus.focus();
			}
			this.nPreviousFocus = null;
			this.$el.hide().removeClass('open');
			$(document).off('click.privateViewEvents' + this.viewId + 'visible');
		},

		_getPosition: function _getPosition(iInitialLocation, iLimit, iObjectSize) {
			var iFinalLocation = iInitialLocation;
			if (iInitialLocation + iObjectSize > iLimit) {
				if (iObjectSize <= iInitialLocation) {
					iFinalLocation = iInitialLocation - iObjectSize;
				} else {
					iFinalLocation = 0;
				}
			}
			return iFinalLocation;
		}
	});

	return ContextMenuItem;
});
//# sourceMappingURL=ContextMenu.js.map