/**
* Takes information from the Field and uses it in this display
*
* @param DisplayDataSourceInterface $field
*/
public function informAboutStructure(DisplayDataSourceInterface $field)
{
/**
* Use the Field identifier (if given) as default id-attribute for
* this HTML element
*/
if ($field instanceof IdentifierInterface && $field->hasId()) {
$this->setAttribute('id', $field->getId());
$this->setAttribute('name', $field->getId());
}
if ($field instanceof RequiredInterface && $field->isRequired()) {
$this->setAttribute('required', 'required');
}
if ($field instanceof MultipleChoiceInterface && $field->isMultipleChoice()) {
$this->setAttribute('multiple', 'multiple');
}
if ($field instanceof OptionsInterface) {
foreach ($field->getOptions() as $value => $label) {
$newOption = new Option($label, $value);
if ($field instanceof DefaultValueInterface && $field->hasDefault() && $field->getDefault() === $value) {
$newOption->setDefault();
}
$this->appendChild($newOption);
}
}
}
