| /******************************************************************************* |
| * 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.expressions; |
| |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.debug.core.model.IDebugElement; |
| import org.eclipse.debug.core.model.IWatchExpression; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| |
| /** |
| * Ask to re-evaluate one or more watch expressions in the context of the |
| * currently selected thread. |
| */ |
| public class ReevaluateWatchExpressionAction extends WatchExpressionAction { |
| |
| /** |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| public void run(IAction action) { |
| IDebugElement context = getContext(); |
| for (Iterator iter= getCurrentSelection().iterator(); iter.hasNext();) { |
| IWatchExpression expression= (IWatchExpression) iter.next(); |
| expression.setExpressionContext(context); |
| if (!expression.isEnabled()) { |
| // Force a reevaluation |
| expression.evaluate(); |
| } |
| } |
| } |
| |
| /** |
| * @see IActionDelegate#selectionChanged(IAction, ISelection) |
| */ |
| public void selectionChanged(IAction action, ISelection selection) { |
| IDebugElement debugElement = getContext(); |
| if (debugElement == null) { |
| action.setEnabled(false); |
| } else { |
| action.setEnabled(true); |
| } |
| } |
| |
| } |