/********************************************************************************
 * Copyright (C) 2019 Ericsson and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/ import * as React from 'react' ; import * as ReactDOM from 'react-dom' ; import { injectable , inject } from 'inversify' ; import { Disposable , DisposableCollection } from '../../common' ; import { Message } from '../widgets' ; import { AbstractDialog , DialogProps } from '../dialogs' ; @ injectable ( ) export abstract class ReactDialog < T > extends AbstractDialog < T > { protected readonly onRender = new DisposableCollection ( ) ; constructor ( @ inject ( DialogProps ) protected readonly props ) { super ( props ) ; this . toDispose . push ( Disposable . create ( ( ) => { ReactDOM . unmountComponentAtNode ( this . contentNode ) ; } ) ) ; } protected onUpdateRequest ( msg ) { super . onUpdateRequest ( msg ) ; ReactDOM . render ( < > { this . render ( ) } < />, this.contentNode, () => this.onRender.dispose()); } /**
     * Render the React widget in the DOM.
     * - If the widget has been previously rendered,
     * any subsequent calls will perform an update and only
     * change the DOM if absolutely necessary.
     */ protected abstract render ( ) ; }