function ListItemBase::validateAllowedValues
Same name in other branches
- 9 core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::validateAllowedValues()
- 10 core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::validateAllowedValues()
- 11.x core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::validateAllowedValues()
#element_validate callback for options field allowed values.
Parameters
$element: An associative array containing the properties and children of the generic form element.
$form_state: The current state of the form for the form this element belongs to.
See also
\Drupal\Core\Render\Element\FormElement::processPattern()
File
-
core/
modules/ options/ src/ Plugin/ Field/ FieldType/ ListItemBase.php, line 133
Class
- ListItemBase
- Plugin base class inherited by the options field types.
Namespace
Drupal\options\Plugin\Field\FieldTypeCode
public static function validateAllowedValues($element, FormStateInterface $form_state) {
$values = static::extractAllowedValues($element['#value'], $element['#field_has_data']);
if (!is_array($values)) {
$form_state->setError($element, t('Allowed values list: invalid input.'));
}
else {
// Check that keys are valid for the field type.
foreach ($values as $key => $value) {
if ($error = static::validateAllowedValue($key)) {
$form_state->setError($element, $error);
break;
}
}
// Prevent removing values currently in use.
if ($element['#field_has_data']) {
$lost_keys = array_keys(array_diff_key($element['#allowed_values'], $values));
if (_options_values_in_use($element['#entity_type'], $element['#field_name'], $lost_keys)) {
$form_state->setError($element, t('Allowed values list: some values are being removed while currently in use.'));
}
}
$form_state->setValueForElement($element, $values);
}
}
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