Version 1

[yaffs-website] / web / modules / contrib / diff / src / Plugin / diff / Field / EntityReferenceFieldBuilder.php

diff --git a/web/modules/contrib/diff/src/Plugin/diff/Field/EntityReferenceFieldBuilder.php b/web/modules/contrib/diff/src/Plugin/diff/Field/EntityReferenceFieldBuilder.php
new file mode 100644 (file)
index 0000000..3579dcb
--- /dev/null
+++ b/web/modules/contrib/diff/src/Plugin/diff/Field/EntityReferenceFieldBuilder.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace Drupal\diff\Plugin\diff\Field;
+
+use Drupal\diff\FieldDiffBuilderBase;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Form\FormStateInterface;
+
+const COMPARE_ENTITY_REFERENCE_ID = 0;
+const COMPARE_ENTITY_REFERENCE_LABEL = 1;
+
+
+/**
+ * Plugin to diff entity reference fields.
+ *
+ * @FieldDiffBuilder(
+ *   id = "entity_reference_field_diff_builder",
+ *   label = @Translation("Entity Reference Field Diff"),
+ *   field_types = {
+ *     "entity_reference"
+ *   },
+ * )
+ */
+class EntityReferenceFieldBuilder extends FieldDiffBuilderBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function build(FieldItemListInterface $field_items) {
+    $result = array();
+    // Every item from $field_items is of type FieldItemInterface.
+    foreach ($field_items as $field_key => $field_item) {
+      if (!$field_item->isEmpty()) {
+        $values = $field_item->getValue();
+        // Compare entity ids.
+        if ($field_item->entity) {
+          if ($this->configuration['compare_entity_reference'] == COMPARE_ENTITY_REFERENCE_LABEL) {
+            /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
+            $entity = $field_item->entity;
+            $result[$field_key][] = $entity->label();
+          }
+          else {
+            $result[$field_key][] = $this->t('Entity ID: :id', [
+              ':id' => $values['target_id'],
+            ]);
+          }
+        }
+      }
+    }
+
+    return $result;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    $form['compare_entity_reference'] = array(
+      '#type' => 'select',
+      '#title' => $this->t('Compare'),
+      '#options' => array(COMPARE_ENTITY_REFERENCE_ID => t('ID'), COMPARE_ENTITY_REFERENCE_LABEL => t('Label')),
+      '#default_value' => $this->configuration['compare_entity_reference'],
+    );
+
+    return parent::buildConfigurationForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
+    $this->configuration['compare_entity_reference'] = $form_state->getValue('compare_entity_reference');
+
+    parent::submitConfigurationForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function defaultConfiguration() {
+    $default_configuration = array(
+      'compare_entity_reference' => COMPARE_ENTITY_REFERENCE_LABEL,
+    );
+    $default_configuration += parent::defaultConfiguration();
+
+    return $default_configuration;
+  }
+
+}