/**
* Retrieve the arguments for the callback.
*
* @param GetOperationButtonEvent $event The event being emitted.
*
* @return array
*/
public function getArgs($event)
{
$extra = $event->getCommand()->getExtra();
return array($event->getModel()->getPropertiesAsArray(), $this->buildHref($event->getCommand()), $event->getLabel(), $event->getTitle(), isset($extra['icon']) ? $extra['icon'] : null, $event->getAttributes(), $event->getEnvironment()->getDataDefinition()->getName(), $event->getEnvironment()->getDataDefinition()->getBasicDefinition()->getRootEntries(), $event->getChildRecordIds(), $event->getCircularReference(), $event->getPrevious() ? $event->getPrevious()->getId() : null, $event->getNext() ? $event->getNext()->getId() : null);
}