Version 1

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

diff --git a/web/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldWidget/TestFieldWidgetMultiple.php b/web/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldWidget/TestFieldWidgetMultiple.php
new file mode 100644 (file)
index 0000000..32cf6e4
--- /dev/null
+++ b/web/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldWidget/TestFieldWidgetMultiple.php
@@ -0,0 +1,104 @@
+<?php
+
+namespace Drupal\field_test\Plugin\Field\FieldWidget;
+
+use Drupal\Core\Field\FieldDefinitionInterface;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Field\WidgetBase;
+use Drupal\Core\Form\FormStateInterface;
+use Symfony\Component\Validator\ConstraintViolationInterface;
+
+/**
+ * Plugin implementation of the 'test_field_widget_multiple' widget.
+ *
+ * The 'field_types' entry is left empty, and is populated through
+ * hook_field_widget_info_alter().
+ *
+ * @see field_test_field_widget_info_alter()
+ *
+ * @FieldWidget(
+ *   id = "test_field_widget_multiple",
+ *   label = @Translation("Test widget - multiple"),
+ *   multiple_values = TRUE,
+ *   weight = 10
+ * )
+ */
+class TestFieldWidgetMultiple extends WidgetBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function defaultSettings() {
+    return [
+      'test_widget_setting_multiple' => 'dummy test string',
+    ] + parent::defaultSettings();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsForm(array $form, FormStateInterface $form_state) {
+    $element['test_widget_setting_multiple'] = [
+      '#type' => 'textfield',
+      '#title' => t('Field test field widget setting'),
+      '#description' => t('A dummy form element to simulate field widget setting.'),
+      '#default_value' => $this->getSetting('test_widget_setting_multiple'),
+      '#required' => FALSE,
+    ];
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsSummary() {
+    $summary = [];
+    $summary[] = t('@setting: @value', ['@setting' => 'test_widget_setting_multiple', '@value' => $this->getSetting('test_widget_setting_multiple')]);
+    return $summary;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
+    $values = [];
+    foreach ($items as $item) {
+      $values[] = $item->value;
+    }
+    $element += [
+      '#type' => 'textfield',
+      '#default_value' => implode(', ', $values),
+      '#element_validate' => [[get_class($this), 'multipleValidate']],
+    ];
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function errorElement(array $element, ConstraintViolationInterface $violation, array $form, FormStateInterface $form_state) {
+    return $element;
+  }
+
+  /**
+   * Element validation helper.
+   */
+  public static function multipleValidate($element, FormStateInterface $form_state) {
+    $values = array_map('trim', explode(',', $element['#value']));
+    $items = [];
+    foreach ($values as $value) {
+      $items[] = ['value' => $value];
+    }
+    $form_state->setValueForElement($element, $items);
+  }
+
+  /**
+   * {@inheritdoc}
+   * Used in \Drupal\field\Tests\EntityReference\EntityReferenceAdminTest::testAvailableFormatters().
+   */
+  public static function isApplicable(FieldDefinitionInterface $field_definition) {
+    // Returns FALSE if machine name of the field equals field_onewidgetfield.
+    return $field_definition->getName() != "field_onewidgetfield";
+  }
+
+}