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1
11
12 package org.eclipse.debug.internal.ui.viewers.update;
13
14 import java.util.Iterator  ;
15
16 import org.eclipse.core.runtime.IProgressMonitor;
17 import org.eclipse.core.runtime.IStatus;
18 import org.eclipse.core.runtime.Status;
19 import org.eclipse.debug.core.DebugPlugin;
20 import org.eclipse.debug.core.IMemoryBlockListener;
21 import org.eclipse.debug.core.model.IMemoryBlock;
22 import org.eclipse.debug.core.model.IMemoryBlockRetrieval;
23 import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
24 import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
25 import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta;
26 import org.eclipse.debug.internal.ui.viewers.provisional.AbstractModelProxy;
27 import org.eclipse.debug.ui.memory.IMemoryRendering;
28 import org.eclipse.jface.viewers.ISelection;
29 import org.eclipse.jface.viewers.IStructuredSelection;
30 import org.eclipse.jface.viewers.StructuredSelection;
31 import org.eclipse.jface.viewers.StructuredViewer;
32 import org.eclipse.jface.viewers.Viewer;
33 import org.eclipse.ui.progress.UIJob;
34
35 public class MemoryRetrievalProxy extends AbstractModelProxy implements IMemoryBlockListener {
36 private IMemoryBlockRetrieval fRetrieval;
37
38 public MemoryRetrievalProxy(IMemoryBlockRetrieval retrieval)
39 {
40 fRetrieval = retrieval;
41
42 }
43
44 public void memoryBlocksAdded(IMemoryBlock[] memory) {
45 IMemoryBlock[] allMB = DebugPlugin.getDefault().getMemoryBlockManager().getMemoryBlocks(fRetrieval);
46 int lastIndex = allMB.length - memory.length;
47 ModelDelta delta = new ModelDelta(fRetrieval, 0, IModelDelta.NO_CHANGE, allMB.length);
48
49 for (int i=0; i<memory.length; i++){
50 IMemoryBlockRetrieval retrieval = (IMemoryBlockRetrieval)memory[i].getAdapter(IMemoryBlockRetrieval.class);
51 if (retrieval == null)
52 retrieval = memory[i].getDebugTarget();
53
54 if (retrieval != null)
55 {
56 if (retrieval == fRetrieval)
57 {
58 delta.addNode(memory[i], lastIndex+i, IModelDelta.ADDED | IModelDelta.SELECT, 0);
60 }
61 }
62 }
63
64 fireModelChanged(delta);
65 }
66
67 public void memoryBlocksRemoved(final IMemoryBlock[] memory) {
68
69 UIJob job = new UIJob("memory blocks removed"){
71 public IStatus runInUIThread(IProgressMonitor monitor) {
72 ModelDelta delta = new ModelDelta(fRetrieval, IModelDelta.NO_CHANGE);
73
74
76 for (int i=0; i<memory.length; i++){
77 IMemoryBlockRetrieval retrieval = (IMemoryBlockRetrieval)memory[i].getAdapter(IMemoryBlockRetrieval.class);
78 if (retrieval == null)
79 retrieval = memory[i].getDebugTarget();
80
81 if (retrieval != null)
82 {
83 if (retrieval == fRetrieval)
84 {
85 if (isMemoryBlockSelected(getCurrentSelection(), memory[i]))
89 addSelectDeltaNode(delta);
90 delta.addNode(memory[i], IModelDelta.REMOVED);
91 }
92 }
93 }
94
95 fireModelChanged(delta);
96 return Status.OK_STATUS;
97 }};
98 job.setSystem(true);
99 job.schedule();
100 }
101
102 public void init(IPresentationContext context) {
103 super.init(context);
104 DebugPlugin.getDefault().getMemoryBlockManager().addListener(this);
105 }
106
107 public synchronized void dispose() {
108 super.dispose();
109 DebugPlugin.getDefault().getMemoryBlockManager().removeListener(this);
110 }
111
112 private void addSelectDeltaNode(ModelDelta delta)
113 {
114 IMemoryBlock[] memoryBlocks = DebugPlugin.getDefault().getMemoryBlockManager().getMemoryBlocks(fRetrieval);
115 if (memoryBlocks != null && memoryBlocks.length > 0)
116 {
117 delta.addNode(memoryBlocks[0], IModelDelta.SELECT);
118 }
119 }
120
121 private IStructuredSelection getCurrentSelection() {
122 Viewer viewer = getViewer();
123 if (viewer instanceof StructuredViewer) {
124 StructuredViewer sv = (StructuredViewer) viewer;
125 ISelection selection = sv.getSelection();
126 if (selection instanceof IStructuredSelection)
127 return (IStructuredSelection)selection;
128 }
129 return StructuredSelection.EMPTY;
130 }
131
132 private boolean isMemoryBlockSelected(IStructuredSelection selection, IMemoryBlock memoryBlock)
133 {
134 if (!selection.isEmpty())
135 {
136 Iterator iter = selection.iterator();
137 while (iter.hasNext())
138 {
139 Object sel = iter.next();
140 if (sel == memoryBlock)
141 return true;
142
143 if (sel instanceof IMemoryRendering)
144 {
145 if (((IMemoryRendering)sel).getMemoryBlock() == memoryBlock)
146 return true;
147 }
148 }
149 }
150 return false;
151 }
152 }
153 |
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