* Builds new default, simple droppable options. Subclasses may override this method by creating custom behavior.
*
* @return
*/
protected DroppableOptions newDroppableOptions() {
return new DroppableOptions()
.activeClass("ui-state-default")
.hoverClass("ui-state-hover")
.accept(":not(.ui-sortable-helper)")
.dropEvent(
"wicketAjaxGet($(this).attr('rel') + '&draggableId=' + ui.draggable.attr('id'), function(){}, function(){})");