Updated to Drupal 8.5. Core Media not yet in use.
[yaffs-website] / web / core / modules / layout_builder / src / Form / ConfigureSectionForm.php
diff --git a/web/core/modules/layout_builder/src/Form/ConfigureSectionForm.php b/web/core/modules/layout_builder/src/Form/ConfigureSectionForm.php
new file mode 100644 (file)
index 0000000..2bfcdca
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@@ -0,0 +1,196 @@
+<?php
+
+namespace Drupal\layout_builder\Form;
+
+use Drupal\Core\DependencyInjection\ClassResolverInterface;
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Form\SubformState;
+use Drupal\Core\Layout\LayoutInterface;
+use Drupal\Core\Plugin\PluginFormFactoryInterface;
+use Drupal\Core\Plugin\PluginFormInterface;
+use Drupal\Core\Plugin\PluginWithFormsInterface;
+use Drupal\layout_builder\Controller\LayoutRebuildTrait;
+use Drupal\layout_builder\LayoutTempstoreRepositoryInterface;
+use Drupal\layout_builder\Section;
+use Drupal\layout_builder\SectionStorageInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides a form for configuring a layout section.
+ *
+ * @internal
+ */
+class ConfigureSectionForm extends FormBase {
+
+  use AjaxFormHelperTrait;
+  use LayoutRebuildTrait;
+
+  /**
+   * The layout tempstore repository.
+   *
+   * @var \Drupal\layout_builder\LayoutTempstoreRepositoryInterface
+   */
+  protected $layoutTempstoreRepository;
+
+  /**
+   * The plugin being configured.
+   *
+   * @var \Drupal\Core\Layout\LayoutInterface|\Drupal\Core\Plugin\PluginFormInterface
+   */
+  protected $layout;
+
+  /**
+   * The plugin form manager.
+   *
+   * @var \Drupal\Core\Plugin\PluginFormFactoryInterface
+   */
+  protected $pluginFormFactory;
+
+  /**
+   * The section storage.
+   *
+   * @var \Drupal\layout_builder\SectionStorageInterface
+   */
+  protected $sectionStorage;
+
+  /**
+   * The field delta.
+   *
+   * @var int
+   */
+  protected $delta;
+
+  /**
+   * Indicates whether the section is being added or updated.
+   *
+   * @var bool
+   */
+  protected $isUpdate;
+
+  /**
+   * Constructs a new ConfigureSectionForm.
+   *
+   * @param \Drupal\layout_builder\LayoutTempstoreRepositoryInterface $layout_tempstore_repository
+   *   The layout tempstore repository.
+   * @param \Drupal\Core\DependencyInjection\ClassResolverInterface $class_resolver
+   *   The class resolver.
+   * @param \Drupal\Core\Plugin\PluginFormFactoryInterface $plugin_form_manager
+   *   The plugin form manager.
+   */
+  public function __construct(LayoutTempstoreRepositoryInterface $layout_tempstore_repository, ClassResolverInterface $class_resolver, PluginFormFactoryInterface $plugin_form_manager) {
+    $this->layoutTempstoreRepository = $layout_tempstore_repository;
+    $this->classResolver = $class_resolver;
+    $this->pluginFormFactory = $plugin_form_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('layout_builder.tempstore_repository'),
+      $container->get('class_resolver'),
+      $container->get('plugin_form.factory')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'layout_builder_configure_section';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, SectionStorageInterface $section_storage = NULL, $delta = NULL, $plugin_id = NULL) {
+    $this->sectionStorage = $section_storage;
+    $this->delta = $delta;
+    $this->isUpdate = is_null($plugin_id);
+
+    if ($this->isUpdate) {
+      $section = $this->sectionStorage->getSection($this->delta);
+    }
+    else {
+      $section = new Section($plugin_id);
+    }
+    $this->layout = $section->getLayout();
+
+    $form['#tree'] = TRUE;
+    $form['layout_settings'] = [];
+    $subform_state = SubformState::createForSubform($form['layout_settings'], $form, $form_state);
+    $form['layout_settings'] = $this->getPluginForm($this->layout)->buildConfigurationForm($form['layout_settings'], $subform_state);
+
+    $form['actions']['submit'] = [
+      '#type' => 'submit',
+      '#value' => $this->isUpdate ? $this->t('Update') : $this->t('Add section'),
+      '#button_type' => 'primary',
+    ];
+    if ($this->isAjax()) {
+      $form['actions']['submit']['#ajax']['callback'] = '::ajaxSubmit';
+    }
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validateForm(array &$form, FormStateInterface $form_state) {
+    $subform_state = SubformState::createForSubform($form['layout_settings'], $form, $form_state);
+    $this->getPluginForm($this->layout)->validateConfigurationForm($form['layout_settings'], $subform_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    // Call the plugin submit handler.
+    $subform_state = SubformState::createForSubform($form['layout_settings'], $form, $form_state);
+    $this->getPluginForm($this->layout)->submitConfigurationForm($form['layout_settings'], $subform_state);
+
+    $plugin_id = $this->layout->getPluginId();
+    $configuration = $this->layout->getConfiguration();
+
+    if ($this->isUpdate) {
+      $this->sectionStorage->getSection($this->delta)->setLayoutSettings($configuration);
+    }
+    else {
+      $this->sectionStorage->insertSection($this->delta, new Section($plugin_id, $configuration));
+    }
+
+    $this->layoutTempstoreRepository->set($this->sectionStorage);
+    $form_state->setRedirectUrl($this->sectionStorage->getLayoutBuilderUrl());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function successfulAjaxSubmit(array $form, FormStateInterface $form_state) {
+    return $this->rebuildAndClose($this->sectionStorage);
+  }
+
+  /**
+   * Retrieves the plugin form for a given layout.
+   *
+   * @param \Drupal\Core\Layout\LayoutInterface $layout
+   *   The layout plugin.
+   *
+   * @return \Drupal\Core\Plugin\PluginFormInterface
+   *   The plugin form for the layout.
+   */
+  protected function getPluginForm(LayoutInterface $layout) {
+    if ($layout instanceof PluginWithFormsInterface) {
+      return $this->pluginFormFactory->createInstance($layout, 'configure');
+    }
+
+    if ($layout instanceof PluginFormInterface) {
+      return $layout;
+    }
+
+    throw new \InvalidArgumentException(sprintf('The "%s" layout does not provide a configuration form', $layout->getPluginId()));
+  }
+
+}