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import Menu from './menu';
import { Type } from 'main.core';
import { MenuOptions } from './menu-types';
export default class MenuManager
{
/**
* @private
*/
static Data: { [id: string]: Menu } = {};
/**
* @private
*/
static currentItem: ? Menu = null;
constructor()
{
throw new Error('You cannot make an instance of MenuManager.');
}
static show(...args)
{
if (this.currentItem !== null)
{
this.currentItem.popupWindow.close();
}
this.currentItem = this.create.apply(this, args);
this.currentItem.popupWindow.show();
}
static create(options: MenuOptions)
{
let menuId = null;
//Compatibility
const bindElement = arguments[1];
const menuItems = arguments[2];
const params = arguments[3];
if (Type.isPlainObject(options) && !bindElement && !menuItems && !params)
{
menuId = options.id;
if (!Type.isStringFilled(menuId))
{
throw new Error('BX.Main.Menu.create: "id" parameter is required.');
}
}
else
{
menuId = options;
}
if (!this.Data[menuId])
{
const menu = new Menu(options, bindElement, menuItems, params);
menu.getPopupWindow().subscribe('onDestroy', () => {
MenuManager.destroy(menuId);
});
this.Data[menuId] = menu;
}
return this.Data[menuId];
}
static getCurrentMenu(): Menu | null
{
return this.currentItem;
}
static getMenuById(id): Menu | null
{
return this.Data[id] ? this.Data[id] : null;
}
/**
* compatibility
* @private
*/
static onPopupDestroy(popupMenuWindow: Menu)
{
this.destroy(popupMenuWindow.id);
}
static destroy(id)
{
const menu = this.getMenuById(id);
if (menu)
{
if (this.currentItem === menu)
{
this.currentItem = null;
}
delete this.Data[id];
menu.getPopupWindow().destroy();
}
}
}