function EntityDisplayFormBase::multistepAjax

Ajax handler for multistep buttons.

File

core/modules/field_ui/src/Form/EntityDisplayFormBase.php, line 690

Class

EntityDisplayFormBase

Base class for EntityDisplay edit forms.

Namespace

Code

public function multistepAjax($form, FormStateInterface $form_state) {
    $trigger = $form_state->getTriggeringElement();
    $op = $trigger['#op'];
    // Pick the elements that need to receive the ajax-new-content effect.
    switch ($op) {
        case 'edit':
            $updated_rows = [
                $trigger['#field_name'],
            ];
            $updated_columns = [
                'plugin',
            ];
            break;
        case 'update':
        case 'cancel':
            $updated_rows = [
                $trigger['#field_name'],
            ];
            $updated_columns = [
                'plugin',
                'settings_summary',
                'settings_edit',
            ];
            break;
        case 'refresh_table':
            $updated_rows = array_values(explode(' ', $form_state->getValue('refresh_rows')));
            $updated_columns = [
                'settings_summary',
                'settings_edit',
            ];
            break;
    }
    foreach ($updated_rows as $name) {
        foreach ($updated_columns as $key) {
            $element =& $form['fields'][$name][$key];
            $element['#prefix'] = '<div class="ajax-new-content">' . (isset($element['#prefix']) ? $element['#prefix'] : '');
            $element['#suffix'] = (isset($element['#suffix']) ? $element['#suffix'] : '') . '</div>';
        }
    }
    // Return the whole table.
    return $form['fields'];
}