/**
* @inheritDoc IFieldType::validate()
*
* @param array $value
*
* @return true|string|array
*/
public function validate($value)
{
$errors = parent::validate($value);
if (!is_array($errors)) {
$errors = array();
}
$settings = $this->getSettings();
// Check if this field restricts files and if files are passed at all.
if (isset($settings->restrictFiles) && !empty($settings->restrictFiles) && !empty($settings->allowedKinds) && is_array($value) && !empty($value)) {
$allowedExtensions = static::_getAllowedExtensions($settings->allowedKinds);
foreach ($value as $fileId) {
$file = craft()->assets->getFileById($fileId);
if ($file && !in_array(mb_strtolower(IOHelper::getExtension($file->filename)), $allowedExtensions)) {
$errors[] = Craft::t('"{filename}" is not allowed in this field.', array('filename' => $file->filename));
}
}
}
foreach ($this->_failedFiles as $file) {
$errors[] = Craft::t('"{filename}" is not allowed in this field.', array('filename' => $file));
}
if ($errors) {
return $errors;
} else {
return true;
}
}
