Chris@0: <?php
Chris@0: 
Chris@0: /**
Chris@0:  * @file
Chris@0:  * Provides hook implementations for Field Layout.
Chris@0:  */
Chris@0: 
Chris@0: use Drupal\Core\Entity\ContentEntityFormInterface;
Chris@0: use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
Chris@0: use Drupal\Core\Entity\EntityInterface;
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@0: use Drupal\Core\Routing\RouteMatchInterface;
Chris@0: use Drupal\field_layout\Display\EntityDisplayWithLayoutInterface;
Chris@0: use Drupal\field_layout\Entity\FieldLayoutEntityFormDisplay;
Chris@0: use Drupal\field_layout\Entity\FieldLayoutEntityViewDisplay;
Chris@0: use Drupal\field_layout\FieldLayoutBuilder;
Chris@0: use Drupal\field_layout\Form\FieldLayoutEntityFormDisplayEditForm;
Chris@0: use Drupal\field_layout\Form\FieldLayoutEntityViewDisplayEditForm;
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_help().
Chris@0:  */
Chris@0: function field_layout_help($route_name, RouteMatchInterface $route_match) {
Chris@0:   switch ($route_name) {
Chris@0:     case 'help.page.field_layout':
Chris@0:       $output = '<h3>' . t('About') . '</h3>';
Chris@0:       $output .= '<p>' . t('The Field Layout module allows you to arrange fields into regions on forms and displays of entities such as nodes and users.') . '</p>';
Chris@0:       $output .= '<p>' . t('For more information, see the <a href=":field-layout-documentation">online documentation for the Field Layout module</a>.', [':field-layout-documentation' => 'https://www.drupal.org/documentation/modules/field_layout']) . '</p>';
Chris@0:       return $output;
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_entity_type_alter().
Chris@0:  */
Chris@0: function field_layout_entity_type_alter(array &$entity_types) {
Chris@0:   /** @var $entity_types \Drupal\Core\Entity\EntityTypeInterface[] */
Chris@0:   $entity_types['entity_view_display']->setClass(FieldLayoutEntityViewDisplay::class);
Chris@0:   $entity_types['entity_form_display']->setClass(FieldLayoutEntityFormDisplay::class);
Chris@0: 
Chris@0:   // The form classes are only needed when Field UI is installed.
Chris@0:   if (\Drupal::moduleHandler()->moduleExists('field_ui')) {
Chris@0:     $entity_types['entity_view_display']->setFormClass('edit', FieldLayoutEntityViewDisplayEditForm::class);
Chris@0:     $entity_types['entity_form_display']->setFormClass('edit', FieldLayoutEntityFormDisplayEditForm::class);
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_entity_view_alter().
Chris@0:  */
Chris@0: function field_layout_entity_view_alter(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display) {
Chris@0:   if ($display instanceof EntityDisplayWithLayoutInterface) {
Chris@17:     \Drupal::classResolver(FieldLayoutBuilder::class)->buildView($build, $display);
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_form_alter().
Chris@0:  */
Chris@0: function field_layout_form_alter(&$form, FormStateInterface $form_state, $form_id) {
Chris@0:   $form_object = $form_state->getFormObject();
Chris@0:   if ($form_object instanceof ContentEntityFormInterface && $display = $form_object->getFormDisplay($form_state)) {
Chris@0:     if ($display instanceof EntityDisplayWithLayoutInterface) {
Chris@17:       \Drupal::classResolver(FieldLayoutBuilder::class)->buildForm($form, $display);
Chris@0:     }
Chris@0:   }
Chris@0: }