diff core/modules/quickedit/src/QuickEditController.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/quickedit/src/QuickEditController.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,305 @@
+<?php
+
+namespace Drupal\quickedit;
+
+use Drupal\Core\Controller\ControllerBase;
+use Drupal\Core\Form\FormState;
+use Drupal\Core\Render\RendererInterface;
+use Drupal\user\PrivateTempStoreFactory;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Drupal\Core\Ajax\AjaxResponse;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\quickedit\Ajax\FieldFormCommand;
+use Drupal\quickedit\Ajax\FieldFormSavedCommand;
+use Drupal\quickedit\Ajax\FieldFormValidationErrorsCommand;
+use Drupal\quickedit\Ajax\EntitySavedCommand;
+
+/**
+ * Returns responses for Quick Edit module routes.
+ */
+class QuickEditController extends ControllerBase {
+
+  /**
+   * The PrivateTempStore factory.
+   *
+   * @var \Drupal\user\PrivateTempStoreFactory
+   */
+  protected $tempStoreFactory;
+
+  /**
+   * The in-place editing metadata generator.
+   *
+   * @var \Drupal\quickedit\MetadataGeneratorInterface
+   */
+  protected $metadataGenerator;
+
+  /**
+   * The in-place editor selector.
+   *
+   * @var \Drupal\quickedit\EditorSelectorInterface
+   */
+  protected $editorSelector;
+
+  /**
+   * The renderer.
+   *
+   * @var \Drupal\Core\Render\RendererInterface
+   */
+  protected $renderer;
+
+  /**
+   * Constructs a new QuickEditController.
+   *
+   * @param \Drupal\user\PrivateTempStoreFactory $temp_store_factory
+   *   The PrivateTempStore factory.
+   * @param \Drupal\quickedit\MetadataGeneratorInterface $metadata_generator
+   *   The in-place editing metadata generator.
+   * @param \Drupal\quickedit\EditorSelectorInterface $editor_selector
+   *   The in-place editor selector.
+   * @param \Drupal\Core\Render\RendererInterface $renderer
+   *   The renderer.
+   */
+  public function __construct(PrivateTempStoreFactory $temp_store_factory, MetadataGeneratorInterface $metadata_generator, EditorSelectorInterface $editor_selector, RendererInterface $renderer) {
+    $this->tempStoreFactory = $temp_store_factory;
+    $this->metadataGenerator = $metadata_generator;
+    $this->editorSelector = $editor_selector;
+    $this->renderer = $renderer;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('user.private_tempstore'),
+      $container->get('quickedit.metadata.generator'),
+      $container->get('quickedit.editor.selector'),
+      $container->get('renderer')
+    );
+  }
+
+  /**
+   * Returns the metadata for a set of fields.
+   *
+   * Given a list of field quick edit IDs as POST parameters, run access checks
+   * on the entity and field level to determine whether the current user may
+   * edit them. Also retrieves other metadata.
+   *
+   * @return \Symfony\Component\HttpFoundation\JsonResponse
+   *   The JSON response.
+   */
+  public function metadata(Request $request) {
+    $fields = $request->request->get('fields');
+    if (!isset($fields)) {
+      throw new NotFoundHttpException();
+    }
+    $entities = $request->request->get('entities');
+
+    $metadata = [];
+    foreach ($fields as $field) {
+      list($entity_type, $entity_id, $field_name, $langcode, $view_mode) = explode('/', $field);
+
+      // Load the entity.
+      if (!$entity_type || !$this->entityManager()->getDefinition($entity_type)) {
+        throw new NotFoundHttpException();
+      }
+      $entity = $this->entityManager()->getStorage($entity_type)->load($entity_id);
+      if (!$entity) {
+        throw new NotFoundHttpException();
+      }
+
+      // Validate the field name and language.
+      if (!$field_name || !$entity->hasField($field_name)) {
+        throw new NotFoundHttpException();
+      }
+      if (!$langcode || !$entity->hasTranslation($langcode)) {
+        throw new NotFoundHttpException();
+      }
+
+      $entity = $entity->getTranslation($langcode);
+
+      // If the entity information for this field is requested, include it.
+      $entity_id = $entity->getEntityTypeId() . '/' . $entity_id;
+      if (is_array($entities) && in_array($entity_id, $entities) && !isset($metadata[$entity_id])) {
+        $metadata[$entity_id] = $this->metadataGenerator->generateEntityMetadata($entity);
+      }
+
+      $metadata[$field] = $this->metadataGenerator->generateFieldMetadata($entity->get($field_name), $view_mode);
+    }
+
+    return new JsonResponse($metadata);
+  }
+
+  /**
+   * Returns AJAX commands to load in-place editors' attachments.
+   *
+   * Given a list of in-place editor IDs as POST parameters, render AJAX
+   * commands to load those in-place editors.
+   *
+   * @return \Drupal\Core\Ajax\AjaxResponse
+   *   The Ajax response.
+   */
+  public function attachments(Request $request) {
+    $response = new AjaxResponse();
+    $editors = $request->request->get('editors');
+    if (!isset($editors)) {
+      throw new NotFoundHttpException();
+    }
+
+    $response->setAttachments($this->editorSelector->getEditorAttachments($editors));
+
+    return $response;
+  }
+
+  /**
+   * Returns a single field edit form as an Ajax response.
+   *
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity being edited.
+   * @param string $field_name
+   *   The name of the field that is being edited.
+   * @param string $langcode
+   *   The name of the language for which the field is being edited.
+   * @param string $view_mode_id
+   *   The view mode the field should be rerendered in.
+   * @param \Symfony\Component\HttpFoundation\Request $request
+   *   The current request object containing the search string.
+   *
+   * @return \Drupal\Core\Ajax\AjaxResponse
+   *   The Ajax response.
+   */
+  public function fieldForm(EntityInterface $entity, $field_name, $langcode, $view_mode_id, Request $request) {
+    $response = new AjaxResponse();
+
+    // Replace entity with PrivateTempStore copy if available and not resetting,
+    // init PrivateTempStore copy otherwise.
+    $tempstore_entity = $this->tempStoreFactory->get('quickedit')->get($entity->uuid());
+    if ($tempstore_entity && $request->request->get('reset') !== 'true') {
+      $entity = $tempstore_entity;
+    }
+    else {
+      $this->tempStoreFactory->get('quickedit')->set($entity->uuid(), $entity);
+    }
+
+    $form_state = (new FormState())
+      ->set('langcode', $langcode)
+      ->disableRedirect()
+      ->addBuildInfo('args', [$entity, $field_name]);
+    $form = $this->formBuilder()->buildForm('Drupal\quickedit\Form\QuickEditFieldForm', $form_state);
+
+    if ($form_state->isExecuted()) {
+      // The form submission saved the entity in PrivateTempStore. Return the
+      // updated view of the field from the PrivateTempStore copy.
+      $entity = $this->tempStoreFactory->get('quickedit')->get($entity->uuid());
+
+      // Closure to render the field given a view mode.
+      $render_field_in_view_mode = function ($view_mode_id) use ($entity, $field_name, $langcode) {
+        return $this->renderField($entity, $field_name, $langcode, $view_mode_id);
+      };
+
+      // Re-render the updated field.
+      $output = $render_field_in_view_mode($view_mode_id);
+
+      // Re-render the updated field for other view modes (i.e. for other
+      // instances of the same logical field on the user's page).
+      $other_view_mode_ids = $request->request->get('other_view_modes') ?: [];
+      $other_view_modes = array_map($render_field_in_view_mode, array_combine($other_view_mode_ids, $other_view_mode_ids));
+
+      $response->addCommand(new FieldFormSavedCommand($output, $other_view_modes));
+    }
+    else {
+      $output = $this->renderer->renderRoot($form);
+      // When working with a hidden form, we don't want its CSS/JS to be loaded.
+      if ($request->request->get('nocssjs') !== 'true') {
+        $response->setAttachments($form['#attached']);
+      }
+      $response->addCommand(new FieldFormCommand($output));
+
+      $errors = $form_state->getErrors();
+      if (count($errors)) {
+        $status_messages = [
+          '#type' => 'status_messages'
+        ];
+        $response->addCommand(new FieldFormValidationErrorsCommand($this->renderer->renderRoot($status_messages)));
+      }
+    }
+
+    return $response;
+  }
+
+  /**
+   * Renders a field.
+   *
+   * If the view mode ID is not an Entity Display view mode ID, then the field
+   * was rendered using a custom render pipeline (not the Entity/Field API
+   * render pipeline).
+   *
+   * An example could be Views' render pipeline. In that case, the view mode ID
+   * would probably contain the View's ID, display and the row index.
+   *
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity being edited.
+   * @param string $field_name
+   *   The name of the field that is being edited.
+   * @param string $langcode
+   *   The name of the language for which the field is being edited.
+   * @param string $view_mode_id
+   *   The view mode the field should be rerendered in. Either an Entity Display
+   *   view mode ID, or a custom one. See hook_quickedit_render_field().
+   *
+   * @return \Drupal\Component\Render\MarkupInterface
+   *   Rendered HTML.
+   *
+   * @see hook_quickedit_render_field()
+   */
+  protected function renderField(EntityInterface $entity, $field_name, $langcode, $view_mode_id) {
+    $entity_view_mode_ids = array_keys($this->entityManager()->getViewModes($entity->getEntityTypeId()));
+    if (in_array($view_mode_id, $entity_view_mode_ids)) {
+      $entity = \Drupal::entityManager()->getTranslationFromContext($entity, $langcode);
+      $output = $entity->get($field_name)->view($view_mode_id);
+    }
+    else {
+      // Each part of a custom (non-Entity Display) view mode ID is separated
+      // by a dash; the first part must be the module name.
+      $mode_id_parts = explode('-', $view_mode_id, 2);
+      $module = reset($mode_id_parts);
+      $args = [$entity, $field_name, $view_mode_id, $langcode];
+      $output = $this->moduleHandler()->invoke($module, 'quickedit_render_field', $args);
+    }
+
+    return $this->renderer->renderRoot($output);
+  }
+
+  /**
+   * Saves an entity into the database, from PrivateTempStore.
+   *
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity being edited.
+   *
+   * @return \Drupal\Core\Ajax\AjaxResponse
+   *   The Ajax response.
+   */
+  public function entitySave(EntityInterface $entity) {
+    // Take the entity from PrivateTempStore and save in entity storage.
+    // fieldForm() ensures that the PrivateTempStore copy exists ahead.
+    $tempstore = $this->tempStoreFactory->get('quickedit');
+    $tempstore->get($entity->uuid())->save();
+    $tempstore->delete($entity->uuid());
+
+    // Return information about the entity that allows a front end application
+    // to identify it.
+    $output = [
+      'entity_type' => $entity->getEntityTypeId(),
+      'entity_id' => $entity->id()
+    ];
+
+    // Respond to client that the entity was saved properly.
+    $response = new AjaxResponse();
+    $response->addCommand(new EntitySavedCommand($output));
+    return $response;
+  }
+
+}