| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.actions; |
| |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IDebugElement; |
| import org.eclipse.debug.core.model.ISuspendResume; |
| import org.eclipse.debug.core.model.IThread; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| |
| public class ResumeActionDelegate extends AbstractListenerActionDelegate { |
| |
| /** |
| * @see AbstractDebugActionDelegate#doAction(Object) |
| */ |
| protected void doAction(Object object) throws DebugException { |
| if (isEnabledFor(object)) { |
| ISuspendResume resume = (ISuspendResume)object; |
| resume.resume(); |
| } else { |
| doActionForAllThreads(object); |
| } |
| } |
| |
| /** |
| * Resumes all threads in the target associated with the given element |
| * |
| * @param object debug element |
| * @throws DebugException on failure |
| */ |
| protected void doActionForAllThreads(Object object) throws DebugException { |
| if (isEnabledForAllThreads(object)) { |
| IDebugElement debugElement = (IDebugElement) object; |
| IThread[] threads = debugElement.getDebugTarget().getThreads(); |
| for (int i = 0; i < threads.length; i++) { |
| IThread thread = threads[i]; |
| if (thread.canResume()) { |
| thread.resume(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * @see AbstractDebugActionDelegate#isRunInBackground() |
| */ |
| protected boolean isRunInBackground() { |
| return true; |
| } |
| |
| /** |
| * @see AbstractDebugActionDelegate#isEnabledFor(Object) |
| */ |
| protected boolean isEnabledFor(Object element) { |
| return element instanceof ISuspendResume && ((ISuspendResume) element).canResume(); |
| } |
| |
| /** |
| * @see AbstractDebugActionDelegate#getEnableStateForSelection(IStructuredSelection) |
| */ |
| protected boolean getEnableStateForSelection(IStructuredSelection selection) { |
| if (selection.isEmpty()) { |
| return false; |
| } |
| for (Iterator i = selection.iterator(); i.hasNext(); ) { |
| Object element = i.next(); |
| if (!(isEnabledFor(element) || isEnabledForAllThreads(element))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Returns whether 'resume all threads' should be enabled for the given element. |
| */ |
| protected boolean isEnabledForAllThreads(Object element) { |
| if (element instanceof IDebugElement) { |
| IDebugElement debugElement = (IDebugElement) element; |
| try { |
| IThread[] threads = debugElement.getDebugTarget().getThreads(); |
| for (int i = 0; i < threads.length; i++) { |
| if (threads[i].canResume()) { |
| return true; |
| } |
| } |
| } catch (DebugException e) { |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * @see AbstractDebugActionDelegate#getStatusMessage() |
| */ |
| protected String getStatusMessage() { |
| return ActionMessages.ResumeActionDelegate_Exceptions_occurred_attempting_to_resume__2; //$NON-NLS-1$ |
| } |
| |
| /** |
| * @see AbstractDebugActionDelegate#getErrorDialogMessage() |
| */ |
| protected String getErrorDialogMessage() { |
| return ActionMessages.ResumeActionDelegate_Resume_failed__1; //$NON-NLS-1$ |
| } |
| |
| /** |
| * @see AbstractDebugActionDelegate#getErrorDialogTitle() |
| */ |
| protected String getErrorDialogTitle() { |
| return ActionMessages.ResumeActionDelegate_Resume_3; //$NON-NLS-1$ |
| } |
| } |