fManager.install();
fManager.install(fSourceViewer.getDocument());  fSourceViewer.addTextInputListener(this);
		public void install() {						fManager.install();						ISelectionProvider provider= fSourceViewer.getSelectionProvider();			provider.addSelectionChangedListener(this);						fSourceViewer.addTextListener(this);						StyledText text= fSourceViewer.getTextWidget();			text.addKeyListener(this);			text.addMouseListener(this);		}