/**
* {@inheritdoc}
*/
public function validate($value)
{
if (Value::isEmpty($value)) {
return true;
}
$valid = Arr::contains($value, $this->values);
return $valid;
}
/**
* Process data
*
* @param array $data Data
*
* @return int
* @throws \InvalidArgumentException
*/
protected function processData(array &$data)
{
$max = null;
foreach ($data as $value) {
$depth = Arr::depth($value) + 1;
if ($max === null) {
$max = $depth;
} elseif ($depth !== $max) {
throw new \InvalidArgumentException('Rendering INI format requires array in which all elements have with same complexity.');
}
}
$max = (int) $max;
if ($max > 2) {
throw new \InvalidArgumentException('Rendering INI format expects only 1 or 2 dimensional array.');
}
return $max;
}
/**
* Group fields by specified pattern
* Creates multi-dimensional tree in which each level corresponds to pattern parameter
* Leafs are form fields
*
* @param string $template Field name template
*
* @return array
* @throws \InvalidArgumentException
*/
public function groupFields($template)
{
$template = new Template($template);
$result = array();
foreach ($this->fields as $name => $field) {
$match = array();
if (preg_match($template->getRegExp(), $name, $match)) {
unset($match[0]);
$match[] = $field;
$fields = Arr::nest($match);
$result = array_replace_recursive($result, $fields);
}
}
return $result;
}
/**
* Get uploaded files data
*
* @param mixed $key Key
* @param mixed $default Value if key not found
*
* @return array
*/
public function getFile($key = null, $default = null)
{
return $key === null ? $this->file : Arr::value($this->file, $key, $default);
}
