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
}
    /**
     * @see IResourceNavigator#setLinkingEnabled(boolean)
     * @since 2.1
     */
    public void setLinkingEnabled(boolean enabled) {
        this.linkingEnabled = enabled;
        		
        settings.put(IWorkbenchPreferenceConstants.LINK_NAVIGATOR_TO_EDITOR,
                enabled);
        
        if (enabled) {
            IEditorPart editor = getSite().getPage().getActiveEditor();
            if (editor != null) {
                editorActivated(editor);
            }
        }
    }
    /**
     * Sets the resource sorter.
     * 
     * @param sorter the resource sorter
     * @since 2.0
     */
    public void setSorter(ResourceSorter sorter) {
        TreeViewer viewer = getTreeViewer();
        ViewerSorter viewerSorter = viewer.getSorter();
        viewer.getControl().setRedraw(false);
        if (viewerSorter == sorter) {