view_mode_crop-1.0.x-dev/view_mode_crop.module

<?php

/**
 * @file
 * View mode crop module file.
 */

use Drupal\view_mode_crop\Plugin\Field\FieldFormatter\ViewModeCropEntityReferenceEntityFormatter;
use Drupal\view_mode_crop\Plugin\Field\FieldWidget\ViewModeCropMediaLibraryWidget;
use Drupal\view_mode_crop\Plugin\Field\FieldWidget\ViewModeCropImageWidget;
use Drupal\view_mode_crop\CropImageHelper;
use Drupal\Core\Entity\EntityInterface;
use Drupal\view_mode_crop\Plugin\Field\FieldType\ViewModeCropEntityReferenceItem;
use Drupal\Core\StreamWrapper\StreamWrapperManager;
use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\view_mode_crop\Plugin\Field\FieldType\ViewModeCropImageItem;

/**
 * Implements hook_field_info_alter().
 */
function view_mode_crop_field_info_alter(&$info) {
  if (isset($info['image'])) {
    $info['image']['class'] = ViewModeCropImageItem::class;
  }
  if (isset($info['entity_reference'])) {
    $info['entity_reference']['class'] = ViewModeCropEntityReferenceItem::class;
  }
}

/**
 * Implements hook_field_widget_info_alter().
 */
function view_mode_crop_field_widget_info_alter(array &$info) {
  if (isset($info['image_image'])) {
    $info['image_image']['class'] = ViewModeCropImageWidget::class;
  }
  if (isset($info['media_library_widget'])) {
    $info['media_library_widget']['class'] = ViewModeCropMediaLibraryWidget::class;
  }
}

/**
 * Implements hook_field_formatter_info_alter().
 */
function view_mode_crop_field_formatter_info_alter(array &$info) {
  if (isset($info['entity_reference_entity_view'])) {
    $info['entity_reference_entity_view']['class'] = ViewModeCropEntityReferenceEntityFormatter::class;
    $info['entity_reference_entity_view']['provider'] = 'view_mode_crop';

  }
}

/**
 * Implements hook_theme().
 */
function view_mode_crop_theme($existing, $type, $theme, $path) {
  return [
    'view_mode_crop_wrapper' => [
      'render element' => 'element',
    ],
  ];
}

/**
 * Prepares variables for the cropper modal dialog.
 *
 * Default template: view-mode-crop-wrapper.html.twig.
 *
 * @param array $variables
 *   An associative array containing:
 *   - element: An associative array containing the properties of the element.
 *     Properties used: #menu, #content.
 */
function template_preprocess_view_mode_crop_wrapper(array &$variables) {
  $variables['content'] = &$variables['element']['content'];
  $variables['attributes']['class'][] = 'view-mode-crop-wrapper';
}

/**
 * Implements hook_file_download().
 */
function view_mode_crop_file_download($uri) {
  $uri = str_replace('private://crop/', 'crop-private://', $uri);

  $target = StreamWrapperManager::getTarget($uri);

  $parsed = CropImageHelper::parsePathOrUri($target);

  if ($parsed === NULL) {
    return;
  }

  $storage = Drupal::entityTypeManager()->getStorage($parsed['entity_type_id']);
  $entity = $storage->load($parsed['entity_id']);

  if (!$entity instanceof ContentEntityInterface) {
    throw new \RuntimeException('Not a Content entity');
  }

  /**
   * @var \Drupal\view_mode_crop\Plugin\Field\FieldType\ViewModeCropImageItem $image_item
   */
  $image_item = $entity->get($parsed['field_name'])->get($parsed['delta']);

  if (!$image_item->entity->access('download')) {
    return -1;
  }

  /**
   * @var \Drupal\file\FileInterface $file
   */
  $file = $image_item->entity;

  return [
    // Send headers describing the image's size, and MIME-type.
    'Content-Type' => $file->getMimeType(),
    'Content-Length' => $file->getSize(),
    // By not explicitly setting them here, this uses normal Drupal
    // Expires, Cache-Control and ETag headers to prevent proxy or
    // browser caching of private images.
  ];
}

/**
 * Implements hook_entity_delete().
 */
function view_mode_crop_entity_delete(EntityInterface $entity) {
  $db = Drupal::database();
  $db->delete('view_mode_crop')
    ->condition('entity_type', $entity->getEntityTypeId())
    ->condition('entity_id', $entity->id())
    ->execute();

  CropImageHelper::deleteCroppedImagesForEntity($entity);
}

/**
 * Implements hook_entity_update().
 */
function view_mode_crop_entity_update(EntityInterface $entity) {
  CropImageHelper::deleteCroppedImagesForEntity($entity);
}

/**
 * Implements hook_preprocess_HOOK().
 */
function view_mode_crop_preprocess_form_element(&$variables) {
  if (isset($variables['element']['#attributes']['data-view-mode-crop-triggering-element-name'])) {
    $variables['attributes']['class'][] = 'view-mode-crop-state-container';
  }
}