Version 1

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

diff --git a/web/core/modules/system/tests/modules/form_test/src/Form/FormTestValidateRequiredForm.php b/web/core/modules/system/tests/modules/form_test/src/Form/FormTestValidateRequiredForm.php
new file mode 100644 (file)
index 0000000..88e6b35
--- /dev/null
+++ b/web/core/modules/system/tests/modules/form_test/src/Form/FormTestValidateRequiredForm.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace Drupal\form_test\Form;
+
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Form constructor to test the #required property.
+ */
+class FormTestValidateRequiredForm extends FormBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'form_test_validate_required_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $options = ['foo' => 'foo', 'bar' => 'bar'];
+    $validate = ['::elementValidateRequired'];
+
+    $form['textfield'] = [
+      '#type' => 'textfield',
+      '#title' => 'Name',
+      '#required' => TRUE,
+      '#required_error' => t('Please enter a name.'),
+    ];
+    $form['checkboxes'] = [
+      '#type' => 'checkboxes',
+      '#title' => 'Checkboxes',
+      '#options' => $options,
+      '#required' => TRUE,
+      '#form_test_required_error' => t('Please choose at least one option.'),
+      '#element_validate' => $validate,
+    ];
+    $form['select'] = [
+      '#type' => 'select',
+      '#title' => 'Select',
+      '#options' => $options,
+      '#required' => TRUE,
+      '#form_test_required_error' => t('Please select something.'),
+      '#element_validate' => $validate,
+    ];
+    $form['radios'] = [
+      '#type' => 'radios',
+      '#title' => 'Radios',
+      '#options' => $options,
+      '#required' => TRUE,
+    ];
+    $form['radios_optional'] = [
+      '#type' => 'radios',
+      '#title' => 'Radios (optional)',
+      '#options' => $options,
+    ];
+    $form['radios_optional_default_value_false'] = [
+      '#type' => 'radios',
+      '#title' => 'Radios (optional, with a default value of FALSE)',
+      '#options' => $options,
+      '#default_value' => FALSE,
+    ];
+    $form['actions'] = ['#type' => 'actions'];
+    $form['actions']['submit'] = ['#type' => 'submit', '#value' => 'Submit'];
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function elementValidateRequired($element, FormStateInterface $form_state) {
+    // Set a custom validation error on the #required element.
+    if (!empty($element['#required_but_empty']) && isset($element['#form_test_required_error'])) {
+      $form_state->setError($element, $element['#form_test_required_error']);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    drupal_set_message('The form_test_validate_required_form form was submitted successfully.');
+  }
+
+}