/**
* Returns a valid instance selection for the current selection of the tree viewer. Returns <code>
* null</code> if there is none.
*
* @return a valid instance selection for the current selection of the tree viewer or <code>null
* </code>
*/
private InstanceSelection getValidSelection() {
ISelection viewerSelection = treeViewer.getSelection();
if (!(viewerSelection instanceof ITreeSelection) || viewerSelection.isEmpty()) return null;
ITreeSelection treeSelection = (ITreeSelection) treeViewer.getSelection();
TreePath firstPath = treeSelection.getPaths()[0]; // XXX use all paths
// instead of first
// only?
InstanceValidationMessage firstMessage;
Iterator<InstanceValidationMessage> restIter;
if (firstPath.getLastSegment() instanceof InstanceValidationMessage) {
firstMessage = (InstanceValidationMessage) firstPath.getLastSegment();
restIter = Iterators.emptyIterator();
} else {
Collection<InstanceValidationMessage> messages =
contentProvider.getMessages(treeSelection.getPaths()[0]);
if (messages.isEmpty()) return null; // shouldn't happen, but doesn't really matter
restIter = messages.iterator();
firstMessage = restIter.next();
}
InstanceService is = PlatformUI.getWorkbench().getService(InstanceService.class);
// check first message for valid instance reference
if (firstMessage.getInstanceReference() == null
|| is.getInstance(firstMessage.getInstanceReference()) == null) return null;
Set<InstanceReference> references = new HashSet<InstanceReference>();
references.add(firstMessage.getInstanceReference());
while (restIter.hasNext()) references.add(restIter.next().getInstanceReference());
return new DefaultInstanceSelection(references.toArray());
}
private Object internalGetElement(Object elementOrPath) {
if (elementOrPath instanceof TreePath) {
TreePath tp = (TreePath) elementOrPath;
return tp.getLastSegment();
}
return elementOrPath;
}
/**
* Changes the state of the TransformationView according to the currently selected shape
*
* @see ISelectionChangedListener#selectionChanged(SelectionChangedEvent event)
*/
@Override
public void selectionChanged(SelectionChangedEvent event) {
// Get the TransformationView if it is open
TransformationView transformationView =
(TransformationView) workbenchPage.findView(TransformationView.ID);
// Return if not
if (transformationView == null) {
return;
}
// Get the tree paths
ITreeSelection selection = (ITreeSelection) event.getSelection();
TreePath[] paths = selection.getPaths();
// Remove the "selected" value from previously selected shapes
for (IShape shape : selectedShapes) {
shape.removeProperty("selected");
}
selectedShapes.clear();
// Set the "selected" value to true for newly selected shapes
for (TreePath path : paths) {
Object selectedObject = path.getLastSegment();
// Only perform the action for selected IShapes
// (rather than GeometryComponents or null)
if (selectedObject instanceof IShape) {
IShape selectedShape = (IShape) selectedObject;
selectedShape.setProperty("selected", "true");
selectedShapes.add(selectedShape);
}
}
// Set the TransformationView shape to null if nothing is selected
// or there are multiple selections
if (paths.length != 1) {
transformationView.setShape(null);
return;
}
Object selectedObject = paths[0].getLastSegment();
// Determine if the shape of the TransformationView should be set
if (selectedObject instanceof IShape) {
transformationView.setShape((IShape) selectedObject);
} else {
transformationView.setShape(null);
}
}
private boolean isTemporarilyUnfilteredInternal(Object parent) {
if (parent instanceof TreePath) {
TreePath treePath = (TreePath) parent;
parent = treePath.getLastSegment();
}
return temporarilyUnfiltered != null && temporarilyUnfiltered.equals(parent);
}
/** @generated */
public void updateLabel(ViewerLabel label, TreePath elementPath) {
Object element = elementPath.getLastSegment();
if (element instanceof TOENavigatorItem && !isOwnView(((TOENavigatorItem) element).getView())) {
return;
}
label.setText(getText(element));
label.setImage(getImage(element));
}
/** @generated */
@Override
public void updateLabel(ViewerLabel label, TreePath elementPath) {
Object element = elementPath.getLastSegment();
if (element instanceof BreezeModel.diagram.navigator.BreezeNavigatorItem
&& !this.isOwnView(
((BreezeModel.diagram.navigator.BreezeNavigatorItem) element).getView())) {
return;
}
label.setText(this.getText(element));
label.setImage(this.getImage(element));
}
/** @generated */
public void updateLabel(ViewerLabel label, TreePath elementPath) {
Object element = elementPath.getLastSegment();
if (element instanceof hub.top.adaptiveSystem.diagram.navigator.AdaptiveSystemNavigatorItem
&& !isOwnView(
((hub.top.adaptiveSystem.diagram.navigator.AdaptiveSystemNavigatorItem) element)
.getView())) {
return;
}
label.setText(getText(element));
label.setImage(getImage(element));
}
@Override
protected String getLabel(TreePath elementPath, IPresentationContext context, String columnId)
throws CoreException {
if (columnId == null) {
// when no columns, handle special escaping ourselves
IDebugModelPresentation presentation = getCeylonJDIModelPresentation();
if (presentation != null) {
return presentation.getText(elementPath.getLastSegment());
}
}
return super.getLabel(elementPath, context, columnId);
}
public void selectionChanged(SelectionChangedEvent event) {
Object selection = ((TreeSelection) event.getSelection()).getFirstElement();
clearInfoPanel();
if (selection instanceof IFile) {
TreePath tp =
(TreePath)
((TreeSelection) event.getSelection()).getPathsFor(selection)[0].getParentPath();
TreeProject treeProject = (TreeProject) (tp.getLastSegment());
editor =
new ModePropertyEditorComposite(
getInfoPanel(), treeProject.java_project, (IFile) selection);
} else {
editor = null;
new VJPInfoComposite(getInfoPanel(), SWT.NULL);
}
refreshInfoPanel();
}
@Override
public Object[] getChildren(TreePath parentPath) {
return getChildren(parentPath.getLastSegment());
}
