protected void setSelectionToClient(
VirtualTreeModelViewer virtualViewer, ILabelProvider labelProvider, VirtualItem findItem) {
virtualViewer.getTree().setSelection(new VirtualItem[] {findItem});
ModelDelta stateDelta = new ModelDelta(virtualViewer.getInput(), IModelDelta.NO_CHANGE);
virtualViewer.saveElementState(TreePath.EMPTY, stateDelta, IModelDelta.SELECT);
// Set the force flag to all select delta in order to override model's selection policy.
stateDelta.accept(
new IModelDeltaVisitor() {
@Override
public boolean visit(IModelDelta delta, int depth) {
if ((delta.getFlags() & IModelDelta.SELECT) != 0) {
((ModelDelta) delta).setFlags(delta.getFlags() | IModelDelta.FORCE);
}
return true;
}
});
fClientViewer.updateViewer(stateDelta);
ISelection selection = fClientViewer.getSelection();
if (!selection.isEmpty()
&& selection instanceof IStructuredSelection
&& ((IStructuredSelection) selection).getFirstElement().equals(findItem.getData())) {
} else {
DebugUIPlugin.errorDialog(
fClientViewer.getControl().getShell(),
ActionMessages.VirtualFindAction_0,
MessageFormat.format(
ActionMessages.VirtualFindAction_1, new Object[] {labelProvider.getText(findItem)}),
new Status(
IStatus.ERROR,
DebugUIPlugin.getUniqueIdentifier(),
ActionMessages.VirtualFindAction_1));
}
}
@Override
public void run() {
final VirtualViewerListener listener = new VirtualViewerListener();
VirtualTreeModelViewer virtualViewer = initVirtualViewer(fClientViewer, listener);
ProgressMonitorDialog dialog =
new TimeTriggeredProgressMonitorDialog(fClientViewer.getControl().getShell(), 500);
final IProgressMonitor monitor = dialog.getProgressMonitor();
dialog.setCancelable(true);
try {
dialog.run(
true,
true,
new IRunnableWithProgress() {
@Override
public void run(final IProgressMonitor m)
throws InvocationTargetException, InterruptedException {
synchronized (listener) {
listener.fProgressMonitor = m;
listener.fProgressMonitor.beginTask(
DebugUIPlugin.removeAccelerators(getText()), listener.fRemainingUpdatesCount);
}
while ((!listener.fLabelUpdatesComplete || !listener.fViewerUpdatesComplete)
&& !listener.fProgressMonitor.isCanceled()) {
Thread.sleep(1);
}
synchronized (listener) {
listener.fProgressMonitor = null;
}
}
});
} catch (InvocationTargetException e) {
DebugUIPlugin.log(e);
return;
} catch (InterruptedException e) {
return;
}
VirtualItem root = virtualViewer.getTree();
if (!monitor.isCanceled()) {
List<VirtualItem> list = new ArrayList<VirtualItem>();
collectAllChildren(root, list);
FindLabelProvider labelProvider = new FindLabelProvider(virtualViewer, list);
VirtualItem result = performFind(list, labelProvider);
if (result != null) {
setSelectionToClient(virtualViewer, labelProvider, result);
}
}
virtualViewer.removeLabelUpdateListener(listener);
virtualViewer.removeViewerUpdateListener(listener);
virtualViewer.dispose();
}
protected VirtualItem performFind(List<VirtualItem> items, FindLabelProvider labelProvider) {
FindElementDialog dialog =
new FindElementDialog(
fClientViewer.getControl().getShell(), labelProvider, items.toArray());
dialog.setTitle(ActionMessages.FindDialog_3);
dialog.setMessage(ActionMessages.FindDialog_1);
if (dialog.open() == Window.OK) {
Object[] elements = dialog.getResult();
if (elements.length == 1) {
return (VirtualItem) elements[0];
}
}
return null;
}