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Java > Open Source Codes > org > eclipse > debug > internal > ui > views > registers > RemoteRegistersViewContentProvider


1 /**********************************************************************
2  * Copyright (c) 2004, 2005 QNX Software Systems 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  * QNX Software Systems - Initial API and implementation
10 ***********************************************************************/

11 package org.eclipse.debug.internal.ui.views.registers;
12
13 import org.eclipse.debug.core.DebugException;
14 import org.eclipse.debug.core.model.IRegisterGroup;
15 import org.eclipse.debug.core.model.IStackFrame;
16 import org.eclipse.debug.internal.ui.DebugUIPlugin;
17 import org.eclipse.debug.internal.ui.views.RemoteTreeContentManager;
18 import org.eclipse.debug.internal.ui.views.RemoteTreeViewer;
19 import org.eclipse.debug.internal.ui.views.variables.RemoteVariablesContentProvider;
20 import org.eclipse.debug.internal.ui.views.variables.VariablesView;
21 import org.eclipse.ui.IWorkbenchPartSite;
22
23 /**
24  * Provides contents for the registers view
25  */

26 public class RemoteRegistersViewContentProvider extends RemoteVariablesContentProvider {
27
28     public RemoteRegistersViewContentProvider(RemoteTreeViewer viewer, IWorkbenchPartSite site, VariablesView view) {
29         super(viewer, site, view);
30     }
31
32     /**
33      * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
34      */

35     public boolean hasChildren(Object JavaDoc element) {
36         try {
37             if (element instanceof IStackFrame) {
38                 return ((IStackFrame)element).hasRegisterGroups();
39             }
40             if (element instanceof IRegisterGroup) {
41                 return ((IRegisterGroup)element).hasRegisters();
42             }
43         } catch (DebugException de) {
44             DebugUIPlugin.log(de);
45             return false;
46         }
47         return super.hasChildren(element);
48     }
49
50     /* (non-Javadoc)
51      * @see org.eclipse.debug.internal.ui.views.variables.RemoteVariablesContentProvider#createContentManager(org.eclipse.debug.internal.ui.views.RemoteTreeViewer, org.eclipse.ui.IWorkbenchPartSite, org.eclipse.debug.internal.ui.views.variables.VariablesView)
52      */

53     protected RemoteTreeContentManager createContentManager(RemoteTreeViewer viewer, IWorkbenchPartSite site, VariablesView view) {
54         return new RemoteRegisterContentManager(this, viewer, site, view);
55     }
56 }
57
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