Version 1

[yaffs-website] / web / core / modules / system / tests / modules / form_test / src / Form / FormTestCheckboxForm.php

diff --git a/web/core/modules/system/tests/modules/form_test/src/Form/FormTestCheckboxForm.php b/web/core/modules/system/tests/modules/form_test/src/Form/FormTestCheckboxForm.php
new file mode 100644 (file)
index 0000000..62220cc
--- /dev/null
+++ b/web/core/modules/system/tests/modules/form_test/src/Form/FormTestCheckboxForm.php
@@ -0,0 +1,93 @@
+<?php
+
+namespace Drupal\form_test\Form;
+
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Symfony\Component\HttpFoundation\JsonResponse;
+
+class FormTestCheckboxForm extends FormBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return '_test_checkbox_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    // A required checkbox.
+    $form['required_checkbox'] = [
+      '#type' => 'checkbox',
+      '#required' => TRUE,
+      '#title' => 'required_checkbox',
+    ];
+
+    // A disabled checkbox should get its default value back.
+    $form['disabled_checkbox_on'] = [
+      '#type' => 'checkbox',
+      '#disabled' => TRUE,
+      '#return_value' => 'disabled_checkbox_on',
+      '#default_value' => 'disabled_checkbox_on',
+      '#title' => 'disabled_checkbox_on',
+    ];
+    $form['disabled_checkbox_off'] = [
+      '#type' => 'checkbox',
+      '#disabled' => TRUE,
+      '#return_value' => 'disabled_checkbox_off',
+      '#default_value' => NULL,
+      '#title' => 'disabled_checkbox_off',
+    ];
+
+    // A checkbox is active when #default_value == #return_value.
+    $form['checkbox_on'] = [
+      '#type' => 'checkbox',
+      '#return_value' => 'checkbox_on',
+      '#default_value' => 'checkbox_on',
+      '#title' => 'checkbox_on',
+    ];
+
+    // But inactive in any other case.
+    $form['checkbox_off'] = [
+      '#type' => 'checkbox',
+      '#return_value' => 'checkbox_off',
+      '#default_value' => 'checkbox_on',
+      '#title' => 'checkbox_off',
+    ];
+
+    // Checkboxes with a #return_value of '0' are supported.
+    $form['zero_checkbox_on'] = [
+      '#type' => 'checkbox',
+      '#return_value' => '0',
+      '#default_value' => '0',
+      '#title' => 'zero_checkbox_on',
+    ];
+
+    // In that case, passing a #default_value != '0'
+    // means that the checkbox is off.
+    $form['zero_checkbox_off'] = [
+      '#type' => 'checkbox',
+      '#return_value' => '0',
+      '#default_value' => '1',
+      '#title' => 'zero_checkbox_off',
+    ];
+
+    $form['submit'] = [
+      '#type' => 'submit',
+      '#value' => t('Submit'),
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $form_state->setResponse(new JsonResponse($form_state->getValues()));
+  }
+
+}