| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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.debug.internal.ui.actions; |
| |
| |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IViewActionDelegate; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.IWorkbenchWindowActionDelegate; |
| |
| /** |
| * This class is a base implementation of a 'remove all' debug action |
| * |
| * This class is intended to be extended by clients |
| * @see IViewActionDelegate |
| * @see IActionDelegate2 |
| * @see IWorkbenchWindowActionDelegate |
| */ |
| public abstract class AbstractRemoveAllActionDelegate implements IViewActionDelegate, IActionDelegate2, IWorkbenchWindowActionDelegate { |
| |
| /** |
| * The underlying <code>IAction</code> |
| */ |
| private IAction fAction; |
| |
| /** |
| * Needed for reflective creation |
| */ |
| public AbstractRemoveAllActionDelegate() {} |
| |
| @Override |
| public void dispose() { |
| fAction = null; |
| } |
| |
| @Override |
| public void init(IAction action) { |
| fAction = action; |
| } |
| |
| /** |
| * Returns this delegate's action. |
| * |
| * @return the underlying <code>IAction</code> |
| */ |
| protected IAction getAction() { |
| return fAction; |
| } |
| |
| @Override |
| public void runWithEvent(IAction action, Event event) { |
| run(action); |
| } |
| |
| @Override |
| public void init(IViewPart view) { |
| initialize(); |
| update(); |
| } |
| |
| @Override |
| public void init(IWorkbenchWindow window) { |
| initialize(); |
| update(); |
| } |
| |
| /** |
| * Initializes any listeners, etc. |
| */ |
| protected abstract void initialize(); |
| |
| /** |
| * Update enablement. |
| */ |
| protected void update() { |
| IAction action = getAction(); |
| if (action != null) { |
| action.setEnabled(isEnabled()); |
| } |
| } |
| |
| /** |
| * Returns whether this action is enabled |
| * |
| * @return true if this action is enabled, false otherwise |
| */ |
| protected abstract boolean isEnabled(); |
| |
| @Override |
| public void selectionChanged(IAction action, ISelection s) { |
| // do nothing |
| } |
| } |