Same name in other branches

1. 9 core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::validateAllowedValues()
2. 8.9.x core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::validateAllowedValues()
3. 10 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.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form for the form this element belongs to.

See also

\Drupal\Core\Render\Element\FormElementBase::processPattern()

File

core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php, line 347

Class

ListItemBase

Plugin base class inherited by the options field types.

Namespace

Drupal\options\Plugin\Field\FieldType

Code

public static function validateAllowedValues($element, FormStateInterface $form_state) {
    $items = array_filter(array_map(function ($item) use ($element) {
        $current_element = $element['table'][$item];
        if ($current_element['item']['key']['#value'] !== NULL && $current_element['item']['label']['#value']) {
            return $current_element['item']['key']['#value'] . '|' . $current_element['item']['label']['#value'];
        }
        elseif ($current_element['item']['key']['#value']) {
            return $current_element['item']['key']['#value'];
        }
        elseif ($current_element['item']['label']['#value']) {
            return $current_element['item']['label']['#value'];
        }
        return NULL;
    }, Element::children($element['table'])), function ($item) {
        return $item;
    });
    if ($reordered_items = $form_state->getValue([
        $element['#parents'],
        'table',
    ])) {
        uksort($items, function ($a, $b) use ($reordered_items) {
            $a_weight = $reordered_items[$a]['weight'] ?? 0;
            $b_weight = $reordered_items[$b]['weight'] ?? 0;
            return $a_weight <=> $b_weight;
        });
    }
    $values = static::extractAllowedValues($items, $element['#field_has_data']);
    if (!is_array($values)) {
        $form_state->setError($element, new TranslatableMarkup('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;
            }
        }
        $form_state->setValueForElement($element, $values);
    }
}

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