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Java > Open Source Codes > org > eclipse > debug > internal > ui > elements > adapters > StackFrameContentAdapter


1 /*******************************************************************************
2  * Copyright (c) 2005, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11
12 package org.eclipse.debug.internal.ui.elements.adapters;
13
14 import org.eclipse.core.runtime.CoreException;
15 import org.eclipse.debug.core.model.IStackFrame;
16 import org.eclipse.debug.internal.ui.viewers.provisional.AsynchronousContentAdapter;
17 import org.eclipse.debug.internal.ui.viewers.provisional.IPresentationContext;
18 import org.eclipse.debug.ui.IDebugUIConstants;
19
20 public class StackFrameContentAdapter extends AsynchronousContentAdapter {
21
22     protected Object JavaDoc[] getChildren(Object JavaDoc parent, IPresentationContext context) throws CoreException {
23         String JavaDoc id = context.getPart().getSite().getId();
24         IStackFrame frame = (IStackFrame) parent;
25         if (id.equals(IDebugUIConstants.ID_VARIABLE_VIEW)) {
26             return frame.getVariables();
27         } else if (id.equals(IDebugUIConstants.ID_REGISTER_VIEW)) {
28             return frame.getRegisterGroups();
29         }
30         return EMPTY;
31     }
32
33     protected boolean hasChildren(Object JavaDoc element, IPresentationContext context) throws CoreException {
34         String JavaDoc id = context.getPart().getSite().getId();
35         IStackFrame frame = (IStackFrame) element;
36         if (id.equals(IDebugUIConstants.ID_VARIABLE_VIEW)) {
37             return frame.hasVariables();
38         } else if (id.equals(IDebugUIConstants.ID_REGISTER_VIEW)) {
39             return frame.hasRegisterGroups();
40         }
41         return false;
42     }
43     
44     protected boolean supportsPartId(String JavaDoc id) {
45         return id.equals(IDebugUIConstants.ID_VARIABLE_VIEW) || id.equals(IDebugUIConstants.ID_REGISTER_VIEW);
46     }
47
48 }
49
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