| /******************************************************************************* |
| * 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.jdt.internal.debug.ui; |
| |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IThread; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.jdt.debug.core.IJavaStackFrame; |
| import org.eclipse.jdt.internal.debug.ui.snippeteditor.ScrapbookLauncher; |
| import org.eclipse.ui.IActionFilter; |
| |
| public class JavaWatchExpressionActionFilter implements IActionFilter { |
| |
| public boolean testAttribute(Object target, String name, String value) { |
| if (target instanceof JavaWatchExpression) { |
| if (name.equals("ReevaluateWatchExpressionActionFilter") && value.equals("availableJavaDebugTarget")) { //$NON-NLS-1$ //$NON-NLS-2$ |
| return availableJavaDebugTarget(); |
| } |
| } |
| return false; |
| } |
| |
| private boolean availableJavaDebugTarget() { |
| IAdaptable context = DebugUITools.getDebugContext(); |
| if (context instanceof IThread) { |
| try { |
| context = ((IThread)context).getTopStackFrame(); |
| } catch (DebugException e) { |
| JDIDebugUIPlugin.log(e); |
| } |
| } |
| if (context != null) { |
| IJavaStackFrame frame = (IJavaStackFrame) context.getAdapter(IJavaStackFrame.class); |
| if (frame != null) { |
| if (frame.getLaunch().getAttribute(ScrapbookLauncher.SCRAPBOOK_LAUNCH) == null) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| } |