How to use

removeAnnotationModel

method

in

org.eclipse.jface.text.source.IAnnotationModelExtension

/**
 * Removes the projection annotation model from the given annotation model.
 *
 * @param model the mode from which the projection annotation model is removed
 * @return the removed projection annotation model or <code>null</code> if there was none
 */
private IAnnotationModel removeProjectionAnnotationModel(IAnnotationModel model) {
  if (model instanceof IAnnotationModelExtension) {
    model.removeAnnotationModelListener(fAnnotationModelListener);
    IAnnotationModelExtension extension= (IAnnotationModelExtension) model;
    return extension.removeAnnotationModel(ProjectionSupport.PROJECTION);
  }
  return null;
}

/**
 * Removes the projection annotation model from the given annotation model.
 *
 * @param model the mode from which the projection annotation model is removed
 * @return the removed projection annotation model or <code>null</code> if there was none
 */
private IAnnotationModel removeProjectionAnnotationModel(IAnnotationModel model) {
  if (model instanceof IAnnotationModelExtension) {
    model.removeAnnotationModelListener(fAnnotationModelListener);
    IAnnotationModelExtension extension= (IAnnotationModelExtension) model;
    return extension.removeAnnotationModel(ProjectionSupport.PROJECTION);
  }
  return null;
}

private void uninstallAnnotationModel(LinkedModeUITarget target) {
  ITextViewer viewer= target.getViewer();
  if (viewer instanceof ISourceViewer) {
    ISourceViewer sv= (ISourceViewer) viewer;
    IAnnotationModel model= sv.getAnnotationModel();
    if (model instanceof IAnnotationModelExtension) {
      IAnnotationModelExtension ext= (IAnnotationModelExtension) model;
      ext.removeAnnotationModel(getUniqueKey());
    }
  }
}

private void uninstallAnnotationModel(LinkedModeUITarget target) {
  ITextViewer viewer= target.getViewer();
  if (viewer instanceof ISourceViewer) {
    ISourceViewer sv= (ISourceViewer) viewer;
    IAnnotationModel model= sv.getAnnotationModel();
    if (model instanceof IAnnotationModelExtension) {
      IAnnotationModelExtension ext= (IAnnotationModelExtension) model;
      ext.removeAnnotationModel(getUniqueKey());
    }
  }
}

/**
 * Disposes the visual annotation model.
 *
 * @since 3.1
 */
protected void disposeVisualAnnotationModel() {
  if (fVisualAnnotationModel != null) {
    if (getDocument() != null)
      fVisualAnnotationModel.disconnect(getDocument());
    if ( fVisualAnnotationModel instanceof IAnnotationModelExtension)
      ((IAnnotationModelExtension)fVisualAnnotationModel).removeAnnotationModel(MODEL_ANNOTATION_MODEL);
    fVisualAnnotationModel= null;
  }
}

/**
 * Disposes the visual annotation model.
 *
 * @since 3.1
 */
protected void disposeVisualAnnotationModel() {
  if (fVisualAnnotationModel != null) {
    if (getDocument() != null)
      fVisualAnnotationModel.disconnect(getDocument());
    if ( fVisualAnnotationModel instanceof IAnnotationModelExtension)
      ((IAnnotationModelExtension)fVisualAnnotationModel).removeAnnotationModel(MODEL_ANNOTATION_MODEL);
    fVisualAnnotationModel= null;
  }
}

/**
 * Disposes the visual annotation model.
 *
 * @since 3.1
 */
protected void disposeVisualAnnotationModel() {
  if (this.fVisualAnnotationModel != null) {
    if (getDocument() != null)
      this.fVisualAnnotationModel.disconnect(getDocument());
    if ( this.fVisualAnnotationModel instanceof IAnnotationModelExtension)
      ((IAnnotationModelExtension)this.fVisualAnnotationModel).removeAnnotationModel(MODEL_ANNOTATION_MODEL);
    this.fVisualAnnotationModel= null;
  }
}

modelExtension.removeAnnotationModel(IChangeRulerColumn.QUICK_DIFF_MODEL_ID);

modelExtension.removeAnnotationModel(IChangeRulerColumn.QUICK_DIFF_MODEL_ID);