/**
* Takes information from the Field and uses it in this display
*
* @param DisplayDataSourceInterface $field
*/
public function informAboutStructure(\Feeld\Display\DisplayDataSourceInterface $field)
{
parent::informAboutStructure($field);
if (!$field instanceof \Feeld\Interview\ErrorContainer) {
throw new \Wellid\Exception\DataType('field', 'ErrorContainer', $field);
}
$errorMessages = $errorMessagesLi = array();
foreach ($field->getErrorMessages() as $entry) {
$errorMessages[] = htmlspecialchars($entry);
$errorMessagesLi[] = '<li>' . htmlspecialchars($entry) . '</li>';
}
if (count($errorMessages) === 0) {
$this->setInvisible();
return;
}
$this->setVisible();
if (count($errorMessages) === 1) {
$innerWrapper = (new Element('span'))->setContent($errorMessages[0]);
} else {
$innerWrapper = (new Element('ul'))->setContent(implode('', $errorMessagesLi));
}
$this->appendChild($innerWrapper->addCssClass('bg-danger error'));
}
