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/MainActionGroup.java
menu.add(toggleLinkingAction);
        IToolBarManager toolBar = actionBars.getToolBarManager();
        toolBar.add(new Separator());
        toolBar.add(collapseAllAction);
        toolBar.add(toggleLinkingAction);
    }
    /**
     * Updates the actions which were added to the action bars,
     * delegating to the subgroups as necessary.
     */
    public void updateActionBars() {
        IStructuredSelection selection = (IStructuredSelection) getContext()
                .getSelection();
        propertyDialogAction.setEnabled(selection.size() == 1);
        addBookmarkAction.selectionChanged(selection);
        addTaskAction.selectionChanged(selection);
        gotoGroup.updateActionBars();
        openGroup.updateActionBars();
        refactorGroup.updateActionBars();
        workingSetGroup.updateActionBars();
        sortAndFilterGroup.updateActionBars();
        workspaceGroup.updateActionBars();
    }
    /**
     * Runs the default action (open file) by delegating the open group.
     */
    public void runDefaultAction(IStructuredSelection selection) {
        openGroup.runDefaultAction(selection);
    }
    /**