/**
* 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);
}
}
}
/**
* Informs the display about the structure of a Field.
*
* Each time the Field structure changes for some reason, this method shall
* be called.
*
* The display changes its hint (string between square brackets [])
* accordingly
*
* @param DisplayDataSourceInterface $field
*/
public function informAboutStructure(DisplayDataSourceInterface $field)
{
if ($field instanceof DefaultValueInterface && $field->hasDefault()) {
$this->hint = $field->getDefault();
}
if ($field instanceof OptionsInterface) {
if ($field instanceof DefaultValueInterface && $field->hasDefault()) {
$tmpOptions = array();
foreach ($field->getOptions() as $option) {
if ($field->getDefault() === $option) {
$tmpOptions[] = strtoupper($option);
} else {
$tmpOptions[] = strtolower($option);
}
}
$this->hint = implode('/', $tmpOptions);
} else {
$this->hint = implode('/', $field->getOptions());
}
}
}
