Version 1

[yaffs-website] / web / core / modules / field / tests / modules / field_test / src / Plugin / Field / FieldFormatter / TestFieldEmptySettingFormatter.php

diff --git a/web/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldEmptySettingFormatter.php b/web/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldEmptySettingFormatter.php
new file mode 100644 (file)
index 0000000..f36fea2
--- /dev/null
+++ b/web/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldEmptySettingFormatter.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace Drupal\field_test\Plugin\Field\FieldFormatter;
+
+use Drupal\Core\Field\FormatterBase;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Plugin implementation of the 'field_empty_setting' formatter.
+ *
+ * @FieldFormatter(
+ *   id = "field_empty_setting",
+ *   label = @Translation("Field empty setting"),
+ *   field_types = {
+ *     "test_field",
+ *   },
+ *   weight = -1
+ * )
+ */
+class TestFieldEmptySettingFormatter extends FormatterBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function defaultSettings() {
+    return [
+      'field_empty_setting' => '',
+    ] + parent::defaultSettings();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsForm(array $form, FormStateInterface $form_state) {
+    $element['field_empty_setting'] = [
+      '#title' => t('Setting'),
+      '#type' => 'textfield',
+      '#size' => 20,
+      '#default_value' => $this->getSetting('field_empty_setting'),
+      '#required' => TRUE,
+    ];
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsSummary() {
+    $summary = [];
+    $setting = $this->getSetting('field_empty_setting');
+    if (!empty($setting)) {
+      $summary[] = t('Default empty setting now has a value.');
+    }
+    return $summary;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function viewElements(FieldItemListInterface $items, $langcode) {
+    $elements = [];
+
+    if (!empty($items)) {
+      foreach ($items as $delta => $item) {
+        $elements[$delta] = ['#markup' => $this->getSetting('field_empty_setting')];
+      }
+    }
+
+    return $elements;
+  }
+
+}