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1
11 package org.eclipse.debug.internal.ui.viewers.model;
12
13 import java.lang.reflect.InvocationTargetException  ;
14 import java.util.ArrayList ;
15 import java.util.List ;
16
17 import org.eclipse.core.runtime.IProgressMonitor;
18 import org.eclipse.debug.internal.ui.DebugUIPlugin;
19 import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
20 import org.eclipse.debug.internal.ui.actions.ActionMessages;
21 import org.eclipse.debug.internal.ui.viewers.FindElementDialog;
22 import org.eclipse.debug.internal.ui.viewers.model.provisional.ILabelUpdate;
23 import org.eclipse.jface.action.Action;
24 import org.eclipse.jface.dialogs.ProgressMonitorDialog;
25 import org.eclipse.jface.operation.IRunnableWithProgress;
26 import org.eclipse.jface.viewers.LabelProvider;
27 import org.eclipse.jface.viewers.TreePath;
28 import org.eclipse.jface.viewers.TreeSelection;
29 import org.eclipse.jface.window.Window;
30 import org.eclipse.swt.graphics.Image;
31 import org.eclipse.swt.widgets.Tree;
32 import org.eclipse.swt.widgets.TreeItem;
33 import org.eclipse.ui.PlatformUI;
34 import org.eclipse.ui.texteditor.IUpdate;
35 import org.eclipse.ui.texteditor.IWorkbenchActionDefinitionIds;
36
37
42 public class VirtualFindAction extends Action implements IUpdate {
43
44 private InternalTreeModelViewer fViewer;
45 private boolean fDone = false;
46
47 class FindLabelProvider extends LabelProvider {
48
49 public FindLabelProvider() {
50 }
51
52 public Image getImage(Object element) {
53 return ((TreeItem)element).getImage();
54 }
55
56 public String getText(Object element) {
57 return ((TreeItem)element).getText();
58 }
59
60 }
61
62 public VirtualFindAction(InternalTreeModelViewer viewer) {
63 setText(ActionMessages.FindAction_0);
64 setId(DebugUIPlugin.getUniqueIdentifier() + ".FindElementAction"); PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugHelpContextIds.FIND_ELEMENT_ACTION);
66 setActionDefinitionId(IWorkbenchActionDefinitionIds.FIND_REPLACE);
67 fViewer = viewer;
68 }
69
70 public void run() {
71 fDone = false;
72 final Object lock = new Object ();
73 ProgressMonitorDialog dialog = new ProgressMonitorDialog(fViewer.getControl().getShell());
74 final IProgressMonitor monitor = dialog.getProgressMonitor();
75 dialog.setCancelable(true);
76
77 boolean queued = false;
78 ILabelUpdateListener listener = new ILabelUpdateListener() {
79 public void labelUpdatesComplete() {
80 synchronized (lock) {
81 fDone = true;
82 lock.notifyAll();
83 }
84 }
85 public void labelUpdatesBegin() {
86 }
87 public void labelUpdateStarted(ILabelUpdate update) {
88 }
89 public void labelUpdateComplete(ILabelUpdate update) {
90 monitor.worked(1);
91 }
92 };
93 fViewer.addLabelUpdateListener(listener);
94 queued = fViewer.populateVitrualItems();
95
96 if (queued) {
97 IRunnableWithProgress runnable = new IRunnableWithProgress() {
98 public void run(final IProgressMonitor m) throws InvocationTargetException , InterruptedException {
99 m.beginTask(DebugUIPlugin.removeAccelerators(getText()), IProgressMonitor.UNKNOWN);
100 synchronized (lock) {
101 if (!fDone) {
102 lock.wait();
103 }
104 }
105 m.done();
106 }
107 };
108 try {
109 dialog.run(true, true, runnable);
110 } catch (InvocationTargetException e) {
111 DebugUIPlugin.log(e);
112 return;
113 } catch (InterruptedException e) {
114 return;
115 }
116 }
117
118 fViewer.removeLabelUpdateListener(listener);
119 if (!monitor.isCanceled()) {
120 Tree tree = (Tree) fViewer.getControl();
121 List items = new ArrayList ();
122 collectItems(items, tree.getItems());
123 performFind(items);
124 }
125 }
126
127 private void collectItems(List list, TreeItem[] items) {
128 for (int i = 0; i < items.length; i++) {
129 TreeItem treeItem = items[i];
130 list.add(treeItem);
131 if (treeItem.getExpanded()) {
132 collectItems(list, treeItem.getItems());
133 }
134 }
135 }
136
137 protected void performFind(List items) {
138 FindElementDialog dialog = new FindElementDialog(fViewer.getControl().getShell(), new FindLabelProvider(), items.toArray());
139 dialog.setTitle(ActionMessages.FindDialog_3);
140 dialog.setMessage(ActionMessages.FindDialog_1);
141 if (dialog.open() == Window.OK) {
142 Object [] elements = dialog.getResult();
143 if (elements.length == 1) {
144 TreeItem item = (TreeItem) elements[0];
145 List path = new ArrayList ();
146 while (item != null) {
147 path.add(0, item.getData());
148 item = item.getParentItem();
149 }
150 fViewer.setSelection(new TreeSelection(new TreePath(path.toArray())));
151 }
152 }
153 }
154
155 public void update() {
156 setEnabled(fViewer.getInput() != null);
157 }
158
159 }
160 |
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