Version 1

[yaffs-website] / web / core / modules / system / tests / modules / batch_test / src / Form / BatchTestMultiStepForm.php

diff --git a/web/core/modules/system/tests/modules/batch_test/src/Form/BatchTestMultiStepForm.php b/web/core/modules/system/tests/modules/batch_test/src/Form/BatchTestMultiStepForm.php
new file mode 100644 (file)
index 0000000..916831e
--- /dev/null
+++ b/web/core/modules/system/tests/modules/batch_test/src/Form/BatchTestMultiStepForm.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Drupal\batch_test\Form;
+
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Generate form of id batch_test_multistep_form.
+ */
+class BatchTestMultiStepForm extends FormBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'batch_test_multistep_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $step = $form_state->get('step');
+    if (empty($step)) {
+      $step = 1;
+      $form_state->set('step', $step);
+    }
+
+    $form['step_display'] = [
+      '#markup' => 'step ' . $step . '<br/>',
+    ];
+    $form['submit'] = [
+      '#type' => 'submit',
+      '#value' => 'Submit',
+    ];
+
+    // This is a POST form with multiple steps that does not transition from one
+    // step to the next via POST requests, but via GET requests, because it uses
+    // Batch API to advance through the steps.
+    $form['#cache']['max-age'] = 0;
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    batch_test_stack(NULL, TRUE);
+
+    $step = $form_state->get('step');
+    switch ($step) {
+      case 1:
+        batch_set(_batch_test_batch_1());
+        break;
+      case 2:
+        batch_set(_batch_test_batch_2());
+        break;
+    }
+
+    if ($step < 2) {
+      $form_state->set('step', ++$step);
+      $form_state->setRebuild();
+    }
+
+    $form_state->setRedirect('batch_test.redirect');
+  }
+
+}