How to use

getControl

method

in

org.eclipse.ltk.ui.refactoring.TextStatusContextViewer

fPaneImage= imageDescriptor.createImage(getControl().getDisplay());

/**
 * Sets the input of the source viewer to the given document and reveals the
 * region determined by the given parameter region.
 * 
 * @param document the document to present
 * @param region the region to reveal.
 */
protected void setInput(IDocument document, IRegion region) {
  Control ctrl= getControl();
  if (ctrl != null && ctrl.isDisposed())
    ctrl= null;
  try {
    if (ctrl != null)
      ctrl.setRedraw(false);
    fSourceViewer.setInput(document);
    if (region != null && document != null) {
      int offset= region.getOffset();
      int length= region.getLength();
      if (offset >= 0 && length >= 0) {
        fSourceViewer.setSelectedRange(offset, length);
        fSourceViewer.revealRange(offset, length);
      }
    }
  } finally {
    if (ctrl != null)
      ctrl.setRedraw(true);
  }
}