/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchPart#dispose()
*/
public void dispose() {
viewer.removeCheckStateListener(this);
super.dispose();
if (getEventHandler() != null) {
getEventHandler().dispose();
}
}
protected void becomesVisible() {
super.becomesVisible();
ISelection selection =
DebugUITools.getDebugContextManager()
.getContextService(getSite().getWorkbenchWindow())
.getActiveContext();
contextActivated(selection);
}
/**
* Attempts to find an appropriate view to emulate, this will either be the variables view or
* the expressions view.
*
* @return a view to emulate or <code>null</code>
*/
private AbstractDebugView getViewToEmulate() {
IWorkbenchPage page =
Activator.getDefault().getWorkbench().getActiveWorkbenchWindow().getActivePage();
AbstractDebugView expressionsView =
(AbstractDebugView) page.findView(IDebugUIConstants.ID_EXPRESSION_VIEW);
if (expressionsView != null && expressionsView.isVisible()) {
return expressionsView;
}
AbstractDebugView variablesView =
(AbstractDebugView) page.findView(IDebugUIConstants.ID_VARIABLE_VIEW);
if (variablesView != null && variablesView.isVisible()) {
return variablesView;
}
if (expressionsView != null) {
return expressionsView;
}
return variablesView;
}
@Override
protected void becomesHidden() {
setViewerInput(null);
super.becomesHidden();
}
@Override
protected void createContent(Composite parent) {
fSashForm = new SashForm(parent, parent.getStyle());
fSashForm.setOrientation(SWT.VERTICAL);
// update presentation context
AbstractDebugView view = getViewToEmulate();
fContext = new PresentationContext(TCFModel.ID_EXPRESSION_HOVER);
if (view != null) {
// copy over properties
IPresentationContext copy = ((TreeModelViewer) view.getViewer()).getPresentationContext();
try {
String[] properties = copy.getProperties();
for (int i = 0; i < properties.length; i++) {
String key = properties[i];
fContext.setProperty(key, copy.getProperty(key));
}
} catch (NoSuchMethodError e) {
// ignore
}
}
fViewer =
new TreeModelViewer(fSashForm, SWT.MULTI | SWT.VIRTUAL | SWT.FULL_SELECTION, fContext);
fViewer.setAutoExpandLevel(fExpansionLevel);
if (view != null) {
// copy over filters
StructuredViewer structuredViewer = (StructuredViewer) view.getViewer();
if (structuredViewer != null) {
ViewerFilter[] filters = structuredViewer.getFilters();
for (int i = 0; i < filters.length; i++) {
fViewer.addFilter(filters[i]);
}
}
}
fInputService = new ViewerInputService(fViewer, this);
fTree = fViewer.getTree();
if (fShowDetailPane) {
fDetailPaneComposite = SWTFactory.createComposite(fSashForm, 1, 1, GridData.FILL_BOTH);
Layout layout = fDetailPaneComposite.getLayout();
if (layout instanceof GridLayout) {
GridLayout gl = (GridLayout) layout;
gl.marginHeight = 0;
gl.marginWidth = 0;
}
fDetailPane = new DetailPaneProxy(new DetailPaneContainer());
fDetailPane.display(null); // Bring up the default pane so the
// user doesn't see an empty
// composite
fTree.addSelectionListener(
new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
fDetailPane.display((IStructuredSelection) fViewer.getSelection());
}
public void widgetDefaultSelected(SelectionEvent e) {}
});
}
initSashWeights();
// add update listener to auto-select and display details of root
// expression
fViewer.addViewerUpdateListener(
new IViewerUpdateListener() {
public void viewerUpdatesComplete() {
fViewer
.getDisplay()
.timerExec(
100,
new Runnable() {
public void run() {
if (fViewer.getControl().isDisposed()) return;
TreeSelection selection = (TreeSelection) fViewer.getSelection();
if (selection.isEmpty())
selection = new TreeSelection(fViewer.getTopElementPath());
fViewer.setSelection(selection);
if (fDetailPane != null) fDetailPane.display(selection);
}
});
}
public void viewerUpdatesBegin() {}
public void updateStarted(IViewerUpdate update) {}
public void updateComplete(IViewerUpdate update) {}
});
setBackgroundColor(getShell().getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
}
protected void becomesHidden() {
super.becomesHidden();
}
/** This is a callback that will allow us to clean up when the viewer is closed. */
public void dispose() {
DebugUITools.getDebugContextManager()
.getContextService(getSite().getWorkbenchWindow())
.removeDebugContextListener(this);
super.dispose();
}
