paragraphs_types.module

<?php

/**
 * @file
 * Contains paragraphs_types.module..
 */

use Drupal\Core\Routing\RouteMatchInterface;
use \Drupal\file\Entity\File;
use Drupal\file\FileInterface;
use Drupal\image\Entity\ImageStyle;
use Drupal\Core\Render\Element;
use Drupal\paragraphs\Entity\Paragraph;

/**
 * Implements hook_help().
 */
function paragraphs_types_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the paragraphs_types module.
    case 'help.page.paragraphs_types':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('This is a collection of paragraphs types for Drupal 8.') . '</p>';
      $output .= '<p>' . t('Go to <a href="/admin/structure/paragraphs_type"><code>admin/structure/paragraphs_type</code></a> to see all paragraphs.') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_theme().
 *
 * Call the base hook from Paragraphs to allow preprocess hooks to work.
 */
function paragraphs_types_theme() {
  return array(
    'paragraph__text' => array(
      'render element' => 'element',
      'template' => 'paragraph--text',
      'base hook' => 'paragraph',
    ),
    'paragraph__image_featured_text' => array(
      'render element' => 'element',
      'template' => 'paragraph--image-featured-text',
      'base hook' => 'paragraph',
    ),
    'paragraph__video' => array(
      'render element' => 'element',
      'template' => 'paragraph--video',
      'base hook' => 'paragraph',
    ),
    'paragraph__gallery' => array(
      'render element' => 'element',
      'template' => 'paragraph--gallery',
      'base hook' => 'paragraph',
    ),
    'paragraph__image' => array(
      'render element' => 'element',
      'template' => 'paragraph--image',
      'base hook' => 'paragraph',
    ),
    'paragraph__blockquote' => array(
      'render element' => 'element',
      'template' => 'paragraph--blockquote',
      'base hook' => 'paragraph',
    ),
    'field__field_blockquote_footer' => array(
      'render element' => 'element',
      'template' => 'fields/field--field-blockquote-footer',
      'base hook' => 'field',
    ),
    'field__field_figcaption' => array(
      'render element' => 'element',
      'template' => 'fields/field--field-figcaption',
      'base hook' => 'field',
    ),
  );
}

/**
 * Implements hook_page_attachments().
 *
 * Attach CSS/JS libs, if config says so.
 */
function paragraphs_types_page_attachments(array &$page) {
  $config = \Drupal::config('paragraphs_types.settings');

  if ($config->get('load_gallery_assets')) {
    $page['#attached']['library'][] = 'paragraphs_types/gallery';
    $page['#attached']['library'][] = 'paragraphs_types/photoswipe';
  }
}

/**
 * Implements hook_preprocess_HOOK() for paragraph--image-featured-text.html.twig.
 *
 * Convert field render array to single value variable.
 */
function paragraphs_types_preprocess_paragraph__image_featured_text(&$variables
) {
  // field is required, so no empty check needed
  /** @var Paragraph $paragraph */
  $paragraph = $variables['paragraph'];
  $variables['image_text_layout'] = $paragraph->get('field_image_text_layout')->value;
}

/**
 * Implements hook_preprocess_HOOK() for paragraph--video.html.twig.
 */
function paragraphs_types_preprocess_paragraph__video(&$variables) {
  $videoUrl = $variables['elements']['field_url'][0]['#url']->getUri();
  $parsedUrl = parse_url($videoUrl);
  $videoHost = NULL;
  $videoID = NULL;

  // YOUTUBE
  if (strpos($parsedUrl['host'], 'youtube') !== FALSE) {
    $videoHost = 'youtube';
    parse_str($parsedUrl['query'], $query);
    if (array_key_exists('v', $query)) {
      $videoID = $query['v'];
    }
  }

  // VIMEO
  if (strpos($parsedUrl['host'], 'vimeo') !== FALSE) {
    $videoHost = 'vimeo';
    $videoID = substr(parse_url($videoUrl, PHP_URL_PATH), 1);
  }

  $variables['video_id'] = $videoID;
  $variables['video_host'] = $videoHost;
}

/**
 * Implements hook_preprocess_HOOK() for paragraph--gallery.html.twig.
 */
function paragraphs_types_preprocess_paragraph__gallery(&$variables) {
  /** @var Paragraph $paragraph */
  $paragraph = $variables['paragraph'];

  if (!$paragraph->hasField('field_images')) {
    return;
  }

  $images = $paragraph->get('field_images');

  $variables['images'] = [];

  $variables['#attached']['drupalSettings']['ps_images'] = [];

  foreach ($images as $item) {
    /* @var $file FileInterface */
    $file = File::load($item->target_id);
    if($file == null) continue;

    $image = [
      'url' => file_url_transform_relative(file_create_url($file->getFileUri())),
      'width' => $item->width,
      'height' => $item->height,
      'sizes' => _load_image_sizes($file, ['medium', 'large'])
    ];
    $variables['images'][] = $image;
    $variables['paragraph_id'] = $paragraph->id();

    $variables['#attached']['drupalSettings']['ps_images'][$paragraph->id()][] = [
      'src' => _load_image_sizes($file)['large'],
      'w' => 0,
      'h' => 0
    ];
  }
}

/**
 * Implements hook_preprocess_HOOK() for paragraph--image.html.twig.
 */
function paragraphs_types_preprocess_paragraph__image(&$variables) {
  /** @var Paragraph $paragraph */
  $paragraph = $variables['paragraph'];

  if (!$paragraph->hasField('field_image')) {
    return;
  }


  $imageField = $paragraph->get('field_image')->first();

  if(!$imageField instanceof ImageItem || (int) $imageField->target_id <= 0 ) {
    return FALSE;
  }

  /* @var $file FileInterface */
  $file = File::load($imageField->target_id);

  if (!$file) {
    return FALSE;
  }

  $caption = $paragraph->get('field_figcaption')->value;
  $variables['image'] = [
    'url' => file_create_url($file->getFileUri()),
    'width' => $imageField->width,
    'height' => $imageField->height,
    'caption' => $caption,
    'sizes' => _load_image_sizes($file)
  ];
}

/**
 * @param FileInterface $image
 * @return array
 */
function _load_image_sizes(FileInterface $image, array $sizes = []) {
  $fileUri = $image->getFileUri();
  $urls = [];

  if (empty($sizes)) {
    $imageStyles = ImageStyle::loadMultiple();
  }
  else {
    $imageStyles = ImageStyle::loadMultiple($sizes);
  }

  foreach ($imageStyles as $image_style) {
    $urls[$image_style->getName()] = file_url_transform_relative($image_style->buildUrl($fileUri));
  }

  return $urls;
}


function paragraphs_types_uninstall() {
  $files = [
    'paragraphs.paragraphs_type.text',
    'paragraphs.paragraphs_type.blockquote',
    'paragraphs.paragraphs_type.video',
    'paragraphs.paragraphs_type.image',
    'paragraphs.paragraphs_type.gallery',
    'paragraphs.paragraphs_type.image_featured_text',

    'field.field.paragraph.text.field_text',
    'field.field.paragraph.quote.field_body',
    'field.field.paragraph.video.field_url',
    'field.field.paragraph.quote.field_name',
    'field.field.paragraph.image.field_image',
    'field.field.paragraph.image.field_figcaption',
    'field.field.paragraph.gallery.field_images',
    'field.field.paragraph.gallery.field_gallery_headline',
    'field.field.paragraph.quote.field_blockquote_footer',
    'field.field.paragraph.image_featured_text.field_figcaption',
    'field.field.paragraph.image_featured_text.field_image',
    'field.field.paragraph.image_featured_text.field_text',
    'field.field.paragraph.image_featured_text.field_image_text_layout',

    'field.storage.paragraph.field_quote_author',
    'field.storage.paragraph.field_images',
    'field.storage.paragraph.field_figcaption',
    'field.storage.paragraph.field_image',
    'field.storage.paragraph.field_name',
    'field.storage.paragraph.field_body',
    'field.storage.paragraph.field_text',
    'field.storage.paragraph.field_url',
    'field.storage.paragraph.field_image_text_layout',
    'field.storage.paragraph.field_gallery_headline',

    'core.entity_view_display.paragraph.gallery.default',
    'core.entity_view_display.paragraph.image.default',
    'core.entity_view_display.paragraph.blockquote.default',
    'core.entity_view_display.paragraph.image_featured_text.default',
    'core.entity_view_display.paragraph.text.default',
    'core.entity_view_display.paragraph.video.default',

    'core.entity_form_display.paragraph.gallery.default',
    'core.entity_form_display.paragraph.image.default',
    'core.entity_form_display.paragraph.quote.default',
    'core.entity_form_display.paragraph.image_featured_text.default',
    'core.entity_form_display.paragraph.text.default',
    'core.entity_form_display.paragraph.video.default',
  ];

  foreach ($files as $file) {
    //\Drupal::configFactory()->getEditable($file)->delete();
  }
}