@eclipse-glsp/client/src/base/view/key-tool.ts

A sprotty-based client for GLSP

/********************************************************************************
 * Copyright (c) 2023-2024 EclipseSource 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 { Disposable, KeyListener, KeyTool, LazyInjector, MaybePromise, TYPES } from '@eclipse-glsp/sprotty';
import { inject, injectable } from 'inversify';
import { IDiagramStartup } from '../model/diagram-loader';

@injectable()
export class GLSPKeyTool extends KeyTool implements IDiagramStartup {
    @inject(LazyInjector)
    protected lazyInjector: LazyInjector;

    constructor(@inject(TYPES.EmptyArray) keyListeners: KeyListener[]) {
        super(keyListeners);
    }

    registerListener(keyListener: KeyListener): Disposable {
        super.register(keyListener);
        return Disposable.create(() => this.deregister(keyListener));
    }

    preLoadDiagram(): MaybePromise<void> {
        this.lazyInjector.getAll<KeyListener>(TYPES.KeyListener).forEach(listener => this.register(listener));
    }
}