Bug 128070 [implementation] Check usage of CustomSourceInformationControl
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
action= new JavaSelectMarkerRulerAction2(JavaEditorMessages.getBundleForConstructedKeys(), "Editor.RulerAnnotationSelection.", this); 
		setAction("AnnotationAction", action); 
		
		action= new ClipboardOperationAction(JavaEditorMessages.getBundleForConstructedKeys(), "Editor.Cut.", this, ITextOperationTarget.CUT); 
		setAction(ITextEditorActionConstants.CUT, action);
		action= new ClipboardOperationAction(JavaEditorMessages.getBundleForConstructedKeys(), "Editor.Copy.", this, ITextOperationTarget.COPY); 
		setAction(ITextEditorActionConstants.COPY, action);
		action= new ClipboardOperationAction(JavaEditorMessages.getBundleForConstructedKeys(), "Editor.Paste.", this, ITextOperationTarget.PASTE); 
		setAction(ITextEditorActionConstants.PASTE, action);
	}
	public void updatedTitleImage(Image image) {
		setTitleImage(image);
	}
	/*
	 * @see AbstractTextEditor#handlePreferenceStoreChanged(PropertyChangeEvent)
	 */
	protected void handlePreferenceStoreChanged(PropertyChangeEvent event) {
		String property= event.getProperty();
		if (AbstractDecoratedTextEditorPreferenceConstants.EDITOR_TAB_WIDTH.equals(property)) {
			/*
			 * Ignore tab setting since we rely on the formatter preferences.
			 * We do this outside the try-finally block to avoid that EDITOR_TAB_WIDTH
			 * is handled by the sub-class (AbstractDecoratedTextEditor).
			 */
			return;
		}
		try {
			ISourceViewer sourceViewer= getSourceViewer();
			if (sourceViewer == null)