Bug 99921 Empty working set name remains in working set group
3.1 RC3. If an empty working set is present (see bug ) the working set filter group always restores this one if none was selected before. I approve this one for 3.1 RC3 since the bug affects all JDT views and the fix is trivial. Dirk?
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/workingsets/WorkingSetFilterActionGroup.java
}
		};
		fWorkingSetFilter= new WorkingSetFilter();
		IWorkingSetManager manager= PlatformUI.getWorkbench().getWorkingSetManager();
		manager.addPropertyChangeListener(fWorkingSetListener);
	}
	
	public WorkingSetFilterActionGroup(Shell shell, IPropertyChangeListener changeListener) {
		Assert.isNotNull(shell);
		Assert.isNotNull(changeListener);
		fChangeListener= changeListener;
		fClearWorkingSetAction= new ClearWorkingSetAction(this);
		fSelectWorkingSetAction= new SelectWorkingSetAction(this, shell);
		fEditWorkingSetAction= new EditWorkingSetAction(this, shell);
		fWorkingSetListener= new IPropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent event) {
				doPropertyChange(event);
			}
		};
		fWorkingSetFilter= new WorkingSetFilter();
		IWorkingSetManager manager= PlatformUI.getWorkbench().getWorkingSetManager();
		manager.addPropertyChangeListener(fWorkingSetListener);
	}
	/**
	 * Returns whether the current working set filters the given element
	 * 
	 * @param parent the parent
	 * @param object the elemnt to test
	 * @return the working set
	 */