/**
* Load any constraints present for the widget
*
* @param DOMElement $element
* @param One_Form_Widget_Abstract $widget
*/
protected static function loadConstraints(DOMElement $element, One_Form_Widget_Abstract &$widget)
{
$xpath = new DOMXPath(self::$_dom);
$constraints = $xpath->query('./constraints/constraint', $element);
if ($constraints->length > 0) {
for ($i = 0; $i < $constraints->length; $i++) {
$child = $constraints->item($i);
$type = 0;
$rawType = $child->getAttribute('type');
$hasRegExp = stristr($rawType, 'R') !== false ? true : false;
for ($j = 0; $j < strlen($rawType); $j++) {
switch (strtoupper($rawType[$j])) {
case 'N':
$type += One_Form_Constraint::N;
break;
case 'E':
if (!$hasRegExp) {
$type += One_Form_Constraint::E;
}
break;
case 'L':
if (!$hasRegExp) {
$type += One_Form_Constraint::L;
}
break;
case 'G':
if (!$hasRegExp) {
$type += One_Form_Constraint::G;
}
break;
case 'M':
if (!$hasRegExp) {
$type += One_Form_Constraint::M;
}
break;
case 'C':
if (!$hasRegExp) {
$type += One_Form_Constraint::C;
}
break;
case 'R':
$type += One_Form_Constraint::R;
break;
}
}
$value = trim($child->nodeValue);
$error = $child->getAttribute('error');
$widget->addConstraint($type, $value, $error);
}
}
}