cuEditor.getActionGroup().fillActionBars(bars);
ActionGroup group= cuEditor.getActionGroup(); if (group != null) group.fillActionBars(bars);
	public void setActiveEditor(IEditorPart part) {		super.setActiveEditor(part);				ITextEditor textEditor= null;		if (part instanceof ITextEditor)			textEditor= (ITextEditor) part;					fTogglePresentation.setEditor(textEditor);		fToggleTextHover.setEditor(textEditor);		fPreviousError.setEditor(textEditor);		fNextError.setEditor(textEditor);				fStructureSelectEnclosingAction.setAction(getAction(textEditor, StructureSelectionAction.ENCLOSING));		fStructureSelectNextAction.setAction(getAction(textEditor, StructureSelectionAction.NEXT));		fStructureSelectPreviousAction.setAction(getAction(textEditor, StructureSelectionAction.PREVIOUS));		fStructureSelectHistoryAction.setAction(getAction(textEditor, StructureSelectionAction.HISTORY));				IActionBars bars= getActionBars();						// Source menu.		bars.setGlobalActionHandler(JdtActionConstants.COMMENT, getAction(textEditor, "Comment")); //$NON-NLS-1$		bars.setGlobalActionHandler(JdtActionConstants.UNCOMMENT, getAction(textEditor, "Uncomment")); //$NON-NLS-1$		bars.setGlobalActionHandler(JdtActionConstants.FORMAT, getAction(textEditor, "Format")); //$NON-NLS-1$		// Navigate menu			if (part instanceof CompilationUnitEditor) {			CompilationUnitEditor cuEditor= (CompilationUnitEditor)part;			cuEditor.getActionGroup().fillActionBars(bars);		}	}