| /******************************************************************************* |
| * Copyright (c) 2004, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.internal.handlers; |
| |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| /** |
| * A handler that can be used to imitate a IWorkbenchWindowActionDelegate. |
| * |
| * @since 3.1 |
| */ |
| public abstract class WorkbenchWindowHandlerDelegate extends ExecutableExtensionHandler |
| implements IWorkbenchWindowHandlerDelegate { |
| |
| /** |
| * By default, this will do nothing. Subclasses may override. |
| * |
| * @param window the window that provides the context for this delegate |
| * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(IWorkbenchWindow) |
| */ |
| @Override |
| public void init(final IWorkbenchWindow window) { |
| // Do nothing by default. |
| } |
| |
| /** |
| * This simply calls execute with a <code>null</code> map of parameter values. |
| * If an <code>ExecutionException</code> occurs, then this should be handle |
| * somehow. It's not clear what we'll do yet. |
| * |
| * @param action The action proxy that handles the presentation portion of the |
| * action |
| * @see org.eclipse.ui.IActionDelegate#run(IAction) |
| */ |
| @Override |
| public void run(final IAction action) { |
| try { |
| execute(new ExecutionEvent()); |
| } catch (final ExecutionException e) { |
| // TODO Do something meaningful and poignant. |
| } |
| } |
| |
| /** |
| * By default, this will do nothing. Subclasses may override. |
| * |
| * @param action The action proxy that handles presentation portion of the |
| * action |
| * @param selection The current selection, or <code>null</code> if there is no |
| * selection. |
| * |
| * @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection) |
| */ |
| @Override |
| public void selectionChanged(IAction action, ISelection selection) { |
| // Do nothing be default. |
| } |
| } |