public function normalize($input, $property, model_editor $editor)
{
if ($this->isReadOnly) {
return null;
}
// don't normalize input provided by editor, but separately read input
// from multiple included fields
$field = $editor->propertyToField($property);
$amount = trim(input::vget("{$field}_amount"));
$currency = trim(input::vget("{$field}_currency"));
// consider missing monetary input if amount is empty
if ($amount === '') {
return null;
}
if (array_key_exists($currency, static::$currencies)) {
// normalize entered amount according to provided set of supported notations
foreach (static::$amountNotations as $amountPattern) {
if (preg_match($amountPattern, $amount, $matches)) {
return sprintf('%s%s.%02d %s', $matches[1] == '-' ? '-' : '', strtr($matches[2], array('.' => '', ',' => '')), $matches[3], $currency);
}
}
}
// provide amount w/o currency as fallback (causing validation failure)
return $amount;
}
