Version 1

[yaffs-website] / web / core / modules / field_ui / src / Form / EntityDisplayModeAddForm.php

diff --git a/web/core/modules/field_ui/src/Form/EntityDisplayModeAddForm.php b/web/core/modules/field_ui/src/Form/EntityDisplayModeAddForm.php
new file mode 100644 (file)
index 0000000..ed1c5fe
--- /dev/null
+++ b/web/core/modules/field_ui/src/Form/EntityDisplayModeAddForm.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace Drupal\field_ui\Form;
+
+use Drupal\Core\Form\FormStateInterface;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+/**
+ * Provides the add form for entity display modes.
+ */
+class EntityDisplayModeAddForm extends EntityDisplayModeFormBase {
+
+  /**
+   * The entity type for which the display mode is being created.
+   *
+   * @var string
+   */
+  protected $targetEntityTypeId;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, $entity_type_id = NULL) {
+    $this->targetEntityTypeId = $entity_type_id;
+    $form = parent::buildForm($form, $form_state);
+    // Change replace_pattern to avoid undesired dots.
+    $form['id']['#machine_name']['replace_pattern'] = '[^a-z0-9_]+';
+    $definition = $this->entityManager->getDefinition($this->targetEntityTypeId);
+    $form['#title'] = $this->t('Add new %label @entity-type', ['%label' => $definition->getLabel(), '@entity-type' => $this->entityType->getLowercaseLabel()]);
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validateForm(array &$form, FormStateInterface $form_state) {
+    parent::validateForm($form, $form_state);
+
+    $form_state->setValueForElement($form['id'], $this->targetEntityTypeId . '.' . $form_state->getValue('id'));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function prepareEntity() {
+    $definition = $this->entityManager->getDefinition($this->targetEntityTypeId);
+    if (!$definition->get('field_ui_base_route') || !$definition->hasViewBuilderClass()) {
+      throw new NotFoundHttpException();
+    }
+
+    $this->entity->setTargetType($this->targetEntityTypeId);
+  }
+
+}