www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/system/tests/modules/ajax_forms_test/src/Callbacks.php

   1 <?php
   2
   3 namespace Drupal\ajax_forms_test;
   4
   5 use Drupal\Core\Ajax\AjaxResponse;
   6 use Drupal\Core\Ajax\DataCommand;
   7 use Drupal\Core\Ajax\HtmlCommand;
   8 use Drupal\Core\Form\FormStateInterface;
   9
  10 /**
  11  * Simple object for testing methods as Ajax callbacks.
  12  */
  13 class Callbacks {
  14
  15   /**
  16    * Ajax callback triggered by select.
  17    */
  18   public function selectCallback($form, FormStateInterface $form_state) {
  19     $response = new AjaxResponse();
  20     $response->addCommand(new HtmlCommand('#ajax_selected_color', $form_state->getValue('select')));
  21     $response->addCommand(new DataCommand('#ajax_selected_color', 'form_state_value_select', $form_state->getValue('select')));
  22     return $response;
  23   }
  24
  25   /**
  26    * Ajax callback triggered by checkbox.
  27    */
  28   public function checkboxCallback($form, FormStateInterface $form_state) {
  29     $response = new AjaxResponse();
  30     $response->addCommand(new HtmlCommand('#ajax_checkbox_value', (int) $form_state->getValue('checkbox')));
  31     $response->addCommand(new DataCommand('#ajax_checkbox_value', 'form_state_value_select', (int) $form_state->getValue('checkbox')));
  32     return $response;
  33   }
  34
  35   /**
  36    * Ajax callback triggered by the checkbox in a #group.
  37    */
  38   public function checkboxGroupCallback($form, FormStateInterface $form_state) {
  39     return $form['checkbox_in_group_wrapper'];
  40   }
  41
  42 }