Version 1
[yaffs-website] / web / core / modules / block / tests / modules / block_test / src / Plugin / Block / TestSettingsValidationBlock.php
diff --git a/web/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestSettingsValidationBlock.php b/web/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestSettingsValidationBlock.php
new file mode 100644 (file)
index 0000000..d1f16d7
--- /dev/null
@@ -0,0 +1,41 @@
+<?php
+
+namespace Drupal\block_test\Plugin\Block;
+
+use Drupal\Core\Block\BlockBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Provides a test settings validation block.
+ *
+ * @Block(
+ *  id = "test_settings_validation",
+ *  admin_label = @Translation("Test settings validation block"),
+ * )
+ */
+class TestSettingsValidationBlock extends BlockBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function blockForm($form, FormStateInterface $form_state) {
+    return ['digits' => ['#type' => 'textfield']] + $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function blockValidate($form, FormStateInterface $form_state) {
+    if (!ctype_digit($form_state->getValue('digits'))) {
+      $form_state->setErrorByName('digits', $this->t('Only digits are allowed'));
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function build() {
+    return ['#markup' => 'foo'];
+  }
+
+}