How to use

addPresentation

method

in

org.eclipse.jface.text.TextViewer

@Override
public void changeTextPresentation(TextPresentation presentation, boolean controlRedraw) {
  if (presentation == null || !redraws())
    return;
  if (fTextWidget == null)
    return;
  /*
   * Call registered text presentation listeners
   * and let them apply their presentation.
   */
  if (fTextPresentationListeners != null) {
    ArrayList<ITextPresentationListener> listeners= new ArrayList<>(fTextPresentationListeners);
    for (int i= 0, size= listeners.size(); i < size; i++) {
      ITextPresentationListener listener= listeners.get(i);
      listener.applyTextPresentation(presentation);
    }
  }
  if (presentation.isEmpty())
    return;
  if (controlRedraw)
    fTextWidget.setRedraw(false);
  if (fReplaceTextPresentation)
    applyTextPresentation(presentation);
  else
    addPresentation(presentation);
  if (controlRedraw)
    fTextWidget.setRedraw(true);
}

@Override
public void changeTextPresentation(TextPresentation presentation, boolean controlRedraw) {
  if (presentation == null || !redraws())
    return;
  if (fTextWidget == null)
    return;
  /*
   * Call registered text presentation listeners
   * and let them apply their presentation.
   */
  if (fTextPresentationListeners != null) {
    ArrayList<ITextPresentationListener> listeners= new ArrayList<>(fTextPresentationListeners);
    for (int i= 0, size= listeners.size(); i < size; i++) {
      ITextPresentationListener listener= listeners.get(i);
      listener.applyTextPresentation(presentation);
    }
  }
  if (presentation.isEmpty())
    return;
  if (controlRedraw)
    fTextWidget.setRedraw(false);
  if (fReplaceTextPresentation)
    applyTextPresentation(presentation);
  else
    addPresentation(presentation);
  if (controlRedraw)
    fTextWidget.setRedraw(true);
}