How to use

setDefaultModel

method

in

org.apache.wicket.markup.html.panel.Panel

public AnnotationComponent setAnnotationModel(SIAnnotationModel<?> model) {
  super.setDefaultModel(model);
  return this;
}

/**
 * Override this method to provide a body for this panel..
 *  
 * @param id the component id
 * @param model the component model
 * @return the panel to use
 */
protected Panel newBodyPanel(String id, IModel<T> model){
  
  Panel emptyPanel = new EmptyPanel(id);
  emptyPanel.setDefaultModel(null);
  
  return emptyPanel;
}

@Override
public MarkupContainer setDefaultModel(IModel<?> model) {
 // notify nested tree about new tree model
 tree.setDefaultModel(model);
 return super.setDefaultModel(model);
}

@Override
public MarkupContainer setDefaultModel(IModel<?> model) {
 // notify nested tree about new tree model
 tree.setDefaultModel(model);
 return super.setDefaultModel(model);
}

/**
 * Override this method to provide a footer for this panel. 
 * @param id
 * @param model
 * @return
 */
protected Panel newFooterPanel(String id, IModel<T> model){
  
  Panel emptyPanel = new EmptyPanel(id);
  emptyPanel.setDefaultModel(null);
  
  return emptyPanel;
}

public final void updateModel(IModel model) {
  if (getDefaultModel() instanceof IObservable) {
    context.unregisterService(this, IObserver.class.getName());
  }
  super.setDefaultModel(model);
  if (getDefaultModel() instanceof IObservable) {
    context.registerService(this, IObserver.class.getName());
  }
}

public final void updateModel(IModel model) {
  if (getDefaultModel() instanceof IObservable) {
    context.unregisterService(this, IObserver.class.getName());
  }
  super.setDefaultModel(model);
  if (getDefaultModel() instanceof IObservable) {
    context.registerService(this, IObserver.class.getName());
  }
}

@Override
public final AjaxEditableLabel<T> setDefaultModel(final IModel<?> model)
{
  super.setDefaultModel(model);
  getLabel().setDefaultModel(model);
  getEditor().setDefaultModel(model);
  return this;
}

/**
 * @see org.apache.wicket.MarkupContainer#setDefaultModel(org.apache.wicket.model.IModel)
 */
@Override
public final AjaxEditableLabel<T> setDefaultModel(IModel<?> model)
{
  super.setDefaultModel(model);
  getLabel().setDefaultModel(model);
  getEditor().setDefaultModel(model);
  return this;
}