| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.debug.internal.ui.actions; |
| |
| import org.eclipse.debug.core.DebugEvent; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.IDebugEventSetListener; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| public abstract class AbstractListenerActionDelegate extends AbstractDebugActionDelegate implements IDebugEventSetListener, IActionDelegate2 { |
| |
| /** |
| * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose() |
| * @see org.eclipse.ui.IActionDelegate2#dispose() |
| */ |
| public void dispose() { |
| super.dispose(); |
| DebugPlugin.getDefault().removeDebugEventListener(this); |
| } |
| |
| /** |
| * @see IDebugEventSetListener#handleDebugEvents(DebugEvent[]) |
| */ |
| public void handleDebugEvents(final DebugEvent[] events) { |
| if (getWindow() == null || getAction() == null) { |
| return; |
| } |
| Shell shell= getWindow().getShell(); |
| if (shell == null || shell.isDisposed()) { |
| return; |
| } |
| Runnable r= new Runnable() { |
| public void run() { |
| Shell shell= getWindow().getShell(); |
| if (shell == null || shell.isDisposed()) { |
| return; |
| } |
| for (int i = 0; i < events.length; i++) { |
| if (events[i].getSource() != null) { |
| doHandleDebugEvent(events[i]); |
| } |
| } |
| } |
| }; |
| |
| shell.getDisplay().asyncExec(r); |
| } |
| |
| /** |
| * Default implementation to update on specific debug events. |
| * Subclasses should override to handle events differently. |
| */ |
| protected void doHandleDebugEvent(DebugEvent event) { |
| switch (event.getKind()) { |
| case DebugEvent.TERMINATE : |
| update(getAction(), getSelection()); |
| break; |
| case DebugEvent.RESUME : |
| if (!event.isEvaluation() || !((event.getDetail() & DebugEvent.EVALUATION_IMPLICIT) != 0)) { |
| update(getAction(), getSelection()); |
| } |
| break; |
| case DebugEvent.SUSPEND : |
| // Update on suspend events (even for evaluations), in case the user changed |
| // the selection during an implicit evaluation. |
| update(getAction(), getSelection()); |
| break; |
| } |
| } |
| |
| /** |
| * @see IWorkbenchWindowActionDelegate#init(IWorkbenchWindow) |
| */ |
| public void init(IWorkbenchWindow window){ |
| super.init(window); |
| DebugPlugin.getDefault().addDebugEventListener(this); |
| } |
| |
| /** |
| * @see IViewActionDelegate#init(IViewPart) |
| */ |
| public void init(IViewPart view) { |
| super.init(view); |
| DebugPlugin.getDefault().addDebugEventListener(this); |
| setWindow(view.getViewSite().getWorkbenchWindow()); |
| } |
| |
| /** |
| * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) |
| */ |
| public void init(IAction action) { |
| } |
| |
| /** |
| * @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event) |
| */ |
| public void runWithEvent(IAction action, Event event) { |
| run(action); |
| } |
| } |