Bug 94456 [Undo] - Resource Navigator not showing workspace undo actions
The Resource Navigator is not showing the workspace undo actions. Package Explorer is correctly working. Need to look at the difference in the way the action handlers are set up.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/navigator/ResourceNavigator.java
public void partBroughtToTop(IWorkbenchPart part) {
        }
        public void partClosed(IWorkbenchPart part) {
        }
        public void partDeactivated(IWorkbenchPart part) {
        }
        public void partOpened(IWorkbenchPart part) {
        }
    };
    private IPropertyChangeListener propertyChangeListener = new IPropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent event) {
            String property = event.getProperty();
            Object newValue = event.getNewValue();
            Object oldValue = event.getOldValue();
            IWorkingSet filterWorkingSet = workingSetFilter.getWorkingSet();
            if (IWorkingSetManager.CHANGE_WORKING_SET_REMOVE.equals(property)
                    && oldValue == filterWorkingSet) {
                setWorkingSet(null);
            } else if (IWorkingSetManager.CHANGE_WORKING_SET_NAME_CHANGE
                    .equals(property)
                    && newValue == filterWorkingSet) {
                updateTitle();
            } else if (IWorkingSetManager.CHANGE_WORKING_SET_CONTENT_CHANGE
                    .equals(property)
                    && newValue == filterWorkingSet) {
                getViewer().refresh();
            }
        }
    };
    /**