/**
* If this field is a singleton, append it to a particular form which is not a form for singletons.
*
* @access public
* @param Form $form
* @throws Exception
* @throws Exception\Fatal
* @since 1.0.0-alpha
* @version 1.0.0-alpha
*/
public function setFormIfSingleton(Form &$form)
{
if ($form->getName() === 'singletons') {
throw new Exception\Fatal('You can\'t append this field to the singletons form.');
} elseif ($this->getFormObject()->getName() !== 'singletons') {
throw new Exception\Fatal('This field is already appended to other form.');
} else {
$rules = $this->getFormObject()->getValidator()->getRules($this->getName());
$this->oForm = $form;
$this->oForm->addField($this);
$this->oForm->getValidator()->rules($this->getName(), $rules);
$this->resetAllNeededAttributes();
$this->setWeight($this->oForm->getLastWeight());
}
}
