/* (non-Javadoc)
* @see org.eclipse.ui.part.WorkbenchPart#dispose()
*/
@Override
public void dispose() {
// Dispose the constraint panel
constraintPanel.dispose();
// Remove the selection listener
getSite().getPage().removePostSelectionListener(this);
}
/*
* As the selection changes, we see if the selection contains an EObject and update the context of the constraint panel
* with this object.
*/
@Override
public void selectionChanged(final IWorkbenchPart p_part, final ISelection p_selection) {
// Reset the context for evaluating the entered constraint.
EObject context = null;
if (p_selection instanceof IStructuredSelection) {
final IStructuredSelection structSel = (IStructuredSelection) p_selection;
if (structSel.size() == 1) {
final Object element =
AdapterFactoryEditingDomain.unwrap(
((IStructuredSelection) p_selection).getFirstElement());
// Set the context as the selected EObject if any.
if (element instanceof EObject) {
context = (EObject) element;
} else if (element instanceof IAdaptable) {
context = (EObject) ((IAdaptable) element).getAdapter(EObject.class);
}
}
}
constraintPanel.getActionHandler().setContext(context);
}
/** Passing the focus request to the viewer's control. */
@Override
public void setFocus() {
constraintPanel.setFocus();
}