/**
* @param \Nette\Application\UI\Form $form
*/
public function processForm(Form $form)
{
$nextPosition = $this->performanceFacade->getNextPositionByEvent($this->event);
$values = $form->values;
$performance = $this->performance ? $this->performance : new Entity\Performance($this->event);
$performance->songAuthor = $values->songAuthor;
$performance->songName = $values->songName;
$performance->note = $values->note;
$performance->setPosition($nextPosition);
$this->performanceFacade->save($performance);
}
