How to use

IDocumentPartitioningListenerExtension

in

org.eclipse.jface.text

/**
 * Fires the document partitioning changed notification to all registered
 * document partitioning listeners. Uses a robust iterator.
 *
 * @param region the region in which partitioning has changed
 *
 * @see IDocumentPartitioningListenerExtension
 * @since 2.0
 * @deprecated as of 3.0. Use
 *             <code>fireDocumentPartitioningChanged(DocumentPartitioningChangedEvent)</code>
 *             instead.
 */
@Deprecated
protected void fireDocumentPartitioningChanged(IRegion region) {
  if (fDocumentPartitioningListeners == null)
    return;
  for (IDocumentPartitioningListener l : fDocumentPartitioningListeners) {
    try {
      if (l instanceof IDocumentPartitioningListenerExtension)
        ((IDocumentPartitioningListenerExtension)l).documentPartitioningChanged(this, region);
      else
        l.documentPartitioningChanged(this);
    } catch (Exception ex) {
      log(ex);
    }
  }
}

/**
 * Fires the document partitioning changed notification to all registered
 * document partitioning listeners. Uses a robust iterator.
 *
 * @param region the region in which partitioning has changed
 *
 * @see IDocumentPartitioningListenerExtension
 * @since 2.0
 * @deprecated as of 3.0. Use
 *             <code>fireDocumentPartitioningChanged(DocumentPartitioningChangedEvent)</code>
 *             instead.
 */
@Deprecated
protected void fireDocumentPartitioningChanged(IRegion region) {
  if (fDocumentPartitioningListeners == null)
    return;
  for (IDocumentPartitioningListener l : fDocumentPartitioningListeners) {
    try {
      if (l instanceof IDocumentPartitioningListenerExtension)
        ((IDocumentPartitioningListenerExtension)l).documentPartitioningChanged(this, region);
      else
        l.documentPartitioningChanged(this);
    } catch (Exception ex) {
      log(ex);
    }
  }
}

/**
 * Fires the document partitioning changed notification to all registered
 * document partitioning listeners. Uses a robust iterator.
 *
 * @param event the document partitioning changed event
 *
 * @see IDocumentPartitioningListenerExtension2
 * @since 3.0
 */
protected void fireDocumentPartitioningChanged(DocumentPartitioningChangedEvent event) {
  if (fDocumentPartitioningListeners == null)
    return;
  for (IDocumentPartitioningListener l : fDocumentPartitioningListeners) {
    try {
      if (l instanceof IDocumentPartitioningListenerExtension2) {
        IDocumentPartitioningListenerExtension2 extension2= (IDocumentPartitioningListenerExtension2)l;
        extension2.documentPartitioningChanged(event);
      } else if (l instanceof IDocumentPartitioningListenerExtension) {
        IDocumentPartitioningListenerExtension extension= (IDocumentPartitioningListenerExtension)l;
        extension.documentPartitioningChanged(this, event.getCoverage());
      } else {
        l.documentPartitioningChanged(this);
      }
    } catch (Exception ex) {
      log(ex);
    }
  }
}

/**
 * Fires the document partitioning changed notification to all registered
 * document partitioning listeners. Uses a robust iterator.
 *
 * @param event the document partitioning changed event
 *
 * @see IDocumentPartitioningListenerExtension2
 * @since 3.0
 */
protected void fireDocumentPartitioningChanged(DocumentPartitioningChangedEvent event) {
  if (fDocumentPartitioningListeners == null)
    return;
  for (IDocumentPartitioningListener l : fDocumentPartitioningListeners) {
    try {
      if (l instanceof IDocumentPartitioningListenerExtension2) {
        IDocumentPartitioningListenerExtension2 extension2= (IDocumentPartitioningListenerExtension2)l;
        extension2.documentPartitioningChanged(event);
      } else if (l instanceof IDocumentPartitioningListenerExtension) {
        IDocumentPartitioningListenerExtension extension= (IDocumentPartitioningListenerExtension)l;
        extension.documentPartitioningChanged(this, event.getCoverage());
      } else {
        l.documentPartitioningChanged(this);
      }
    } catch (Exception ex) {
      log(ex);
    }
  }
}