/**
* {@inheritdoc}
*/
public function form(FieldItemListInterface $items, array &$form, FormStateInterface $form_state, $get_delta = NULL)
{
$ret = parent::form($items, $form, $form_state, $get_delta);
$field_name = $this->fieldDefinition->getName();
// Add a new wrapper around all the elements for Ajax replacement.
$ret['#prefix'] = '<div id="' . $field_name . '-ajax-wrapper">';
$ret['#suffix'] = '</div>';
return $ret;
}
/**
* {@inheritdoc}
*/
public function form(FieldItemListInterface $items, array &$form, FormStateInterface $form_state, $get_delta = NULL)
{
if ($this->canBuildForm($form_state)) {
return parent::form($items, $form, $form_state, $get_delta);
}
return [];
}
/**
* {@inheritdoc}
*/
public function form(FieldItemListInterface $items, array &$form, FormStateInterface $form_state, $get_delta = NULL)
{
$parents = $form['#parents'];
// Identify the manage field settings default value form.
if (in_array('default_value_input', $parents, TRUE)) {
// Since the entity is not reusable neither cloneable, having a default
// value is not supported.
return ['#markup' => $this->t('No widget available for: %label.', ['%label' => $items->getFieldDefinition()->getLabel()])];
}
return parent::form($items, $form, $form_state, $get_delta);
}
