Updated to Drupal 8.5. Core Media not yet in use.

[yaffs-website] / web / core / modules / layout_builder / src / Form / LayoutBuilderEntityViewDisplayForm.php

diff --git a/web/core/modules/layout_builder/src/Form/LayoutBuilderEntityViewDisplayForm.php b/web/core/modules/layout_builder/src/Form/LayoutBuilderEntityViewDisplayForm.php
new file mode 100644 (file)
index 0000000..63ec398
--- /dev/null
+++ b/web/core/modules/layout_builder/src/Form/LayoutBuilderEntityViewDisplayForm.php
@@ -0,0 +1,137 @@
+<?php
+
+namespace Drupal\layout_builder\Form;
+
+use Drupal\Core\Field\FieldDefinitionInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\field_ui\Form\EntityViewDisplayEditForm;
+use Drupal\layout_builder\Entity\LayoutEntityDisplayInterface;
+use Drupal\layout_builder\SectionStorageInterface;
+
+/**
+ * Edit form for the LayoutBuilderEntityViewDisplay entity type.
+ *
+ * @internal
+ *   Layout Builder is currently experimental and should only be leveraged by
+ *   experimental modules and development releases of contributed modules.
+ *   See https://www.drupal.org/core/experimental for more information.
+ */
+class LayoutBuilderEntityViewDisplayForm extends EntityViewDisplayEditForm {
+
+  /**
+   * The entity being used by this form.
+   *
+   * @var \Drupal\layout_builder\Entity\LayoutEntityDisplayInterface
+   */
+  protected $entity;
+
+  /**
+   * The storage section.
+   *
+   * @var \Drupal\layout_builder\SectionStorageInterface
+   */
+  protected $sectionStorage;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, SectionStorageInterface $section_storage = NULL) {
+    $this->sectionStorage = $section_storage;
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function form(array $form, FormStateInterface $form_state) {
+    $form = parent::form($form, $form_state);
+
+    // Hide the table of fields.
+    $form['fields']['#access'] = FALSE;
+    $form['#fields'] = [];
+    $form['#extra'] = [];
+
+    $form['manage_layout'] = [
+      '#type' => 'link',
+      '#title' => $this->t('Manage layout'),
+      '#weight' => -10,
+      '#attributes' => ['class' => ['button']],
+      '#url' => $this->sectionStorage->getLayoutBuilderUrl(),
+    ];
+
+    // @todo Expand to work for all view modes in
+    //   https://www.drupal.org/node/2907413.
+    if ($this->entity->getMode() === 'default') {
+      $form['layout'] = [
+        '#type' => 'details',
+        '#open' => TRUE,
+        '#title' => $this->t('Layout options'),
+        '#tree' => TRUE,
+      ];
+
+      $entity_type = $this->entityTypeManager->getDefinition($this->entity->getTargetEntityTypeId());
+      $form['layout']['allow_custom'] = [
+        '#type' => 'checkbox',
+        '#title' => $this->t('Allow each @entity to have its layout customized.', [
+          '@entity' => $entity_type->getSingularLabel(),
+        ]),
+        '#default_value' => $this->entity->isOverridable(),
+      ];
+      // Prevent turning off overrides while any exist.
+      if ($this->hasOverrides($this->entity)) {
+        $form['layout']['allow_custom']['#disabled'] = TRUE;
+        $form['layout']['allow_custom']['#description'] = $this->t('You must revert all customized layouts of this display before you can disable this option.');
+      }
+      else {
+        $form['#entity_builders'][] = '::entityFormEntityBuild';
+      }
+    }
+    return $form;
+  }
+
+  /**
+   * Determines if the defaults have any overrides.
+   *
+   * @param \Drupal\layout_builder\Entity\LayoutEntityDisplayInterface $display
+   *   The entity display.
+   *
+   * @return bool
+   *   TRUE if there are any overrides of this default, FALSE otherwise.
+   */
+  protected function hasOverrides(LayoutEntityDisplayInterface $display) {
+    if (!$display->isOverridable()) {
+      return FALSE;
+    }
+
+    $entity_type = $this->entityTypeManager->getDefinition($display->getTargetEntityTypeId());
+    $query = $this->entityTypeManager->getStorage($display->getTargetEntityTypeId())->getQuery()
+      ->exists('layout_builder__layout');
+    if ($bundle_key = $entity_type->getKey('bundle')) {
+      $query->condition($bundle_key, $display->getTargetBundle());
+    }
+    return (bool) $query->count()->execute();
+  }
+
+  /**
+   * Entity builder for layout options on the entity view display form.
+   */
+  public function entityFormEntityBuild($entity_type_id, LayoutEntityDisplayInterface $display, &$form, FormStateInterface &$form_state) {
+    $new_value = (bool) $form_state->getValue(['layout', 'allow_custom'], FALSE);
+    $display->setOverridable($new_value);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function buildFieldRow(FieldDefinitionInterface $field_definition, array $form, FormStateInterface $form_state) {
+    // Intentionally empty.
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function buildExtraFieldRow($field_id, $extra_field) {
+    // Intentionally empty.
+  }
+
+}