/**
* Adds Fields for internal use:
* - One field that specifies the unique id of the form (useful if several
* forms are on one page)
* - One field that specifies the page number of the form (for multi-page
* forms)
* - For multi-page-forms, each page gets all fields of the preceding page
* as hidden constant Fields
*/
private function addInternalFields()
{
$i = 0;
foreach ($this->fieldCollections as $collection) {
$collection->getDisplay()->setInvisible();
$pageNumber = new \Feeld\Field\Constant(new \Feeld\DataType\Integer(), self::PREFIX_FIELD_PAGE . $this->getId(), new \Feeld\Display\HTML\Input('hidden'));
$pageNumber->setDefault($i);
$collection->addField($pageNumber);
$collection->addField((new \Feeld\Field\Constant(new \Feeld\DataType\Str(new \Sanitor\Sanitizer(FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_HIGH)), $this->getId(), new \Feeld\Display\HTML\Input('hidden')))->setDefault($this->getUniqueID())->addValidator(new \Wellid\Validator\MinLength(13)));
$lastCollection = $collection;
if ($i > 0) {
$collection->addCollection($this->transformToConstants($lastCollection));
}
$i++;
$valueMapper = new ValueMapper(new HTMLFormInternalFields(), ValueMapStrategy::MAP_SETTERS, array(self::PREFIX_FIELD_PAGE . $this->getId() => 'PageNumber', $this->getId() => 'UID'));
$valueMapper->setId(self::PREFIX_VALUE_MAPPER . $this->getId());
$collection->addValueMapper($valueMapper);
}
}
/**
* Sets a ValueMapper
*
* @param \Feeld\FieldCollection\ValueMapper $valueMapper
*/
public function addValueMapper(ValueMapper $valueMapper)
{
if (!$valueMapper->hasId()) {
$this->valueMapper[] = $valueMapper;
} else {
$this->valueMapper[$valueMapper->getId()] = $valueMapper;
}
}