public function loadHttpData()
{
$this->value = $this->getHttpData(Nette\Forms\Form::DATA_TEXT);
if ($this->value !== NULL) {
if (is_array($this->disabled) && isset($this->disabled[$this->value])) {
$this->value = NULL;
} else {
$this->value = key([$this->value => NULL]);
}
}
}