function picture_file_formatter_picture_view in Picture 7.2

Same name and namespace in other branches

1. 7 picture.file_entity_1.inc \picture_file_formatter_picture_view()

View callback for hook_file_formatter_info().

1 string reference to 'picture_file_formatter_picture_view'

picture_file_formatter_info in ./picture.file_entity_1.inc

Implements hook_file_formatter_info().

File

./picture.file_entity_1.inc, line 32

Hooks and functions to support version 1 of the File Entity module.

Code

function picture_file_formatter_picture_view($file, $display, $langcode) {

  // Prevent PHP notices when trying to read empty files.
  // @see http://drupal.org/node/681042
  if (!$file->filesize) {
    return;
  }

  // Do not bother proceeding if this file does not have an image mime type.
  if (strpos($file->filemime, 'image/') !== 0) {
    return;
  }
  $scheme = file_uri_scheme($file->uri);
  $wrappers = file_get_stream_wrappers(STREAM_WRAPPERS_READ);
  $readable = !empty($wrappers[$scheme]);
  if ($readable) {
    $fallback_image_style = '';
    $group_name = $display['settings']['picture_group'];
    $mappings = picture_mapping_load($group_name);
    if (!$mappings) {
      trigger_error(check_plain("Unable to load picture mapping {$group_name}."), E_USER_ERROR);
      return;
    }
    $breakpoint_styles = picture_get_mapping_breakpoints($mappings, $fallback_image_style);
    if (isset($display['settings']['fallback_image_style']) && !empty($display['settings']['fallback_image_style'])) {
      $fallback_image_style = $display['settings']['fallback_image_style'];
    }
    if (isset($file->override) && isset($file->override['wysiwyg']) && $file->override['wysiwyg']) {
      return array(
        '#theme' => 'image_style',
        '#style_name' => $fallback_image_style,
        '#path' => $file->uri,
      );
    }
    $replace_options = array(
      'clear' => 1,
      'sanitize' => 0,
    );
    $dimensions = array(
      'width' => '',
      'height' => '',
    );
    if (isset($file->image_dimensions['width'])) {
      $dimensions['width'] = $file->image_dimensions['width'];
    }
    elseif (isset($file->metadata['width'])) {
      $dimensions['width'] = $file->metadata['width'];
    }
    if (isset($file->image_dimensions['height'])) {
      $dimensions['height'] = $file->image_dimensions['height'];
    }
    elseif (isset($file->metadata['height'])) {
      $dimensions['height'] = $file->metadata['height'];
    }
    $libraries = array(
      array(
        'picture',
        'picturefill_head',
      ),
      array(
        'picture',
        'picturefill',
      ),
      array(
        'picture',
        'picture.ajax',
      ),
    );
    if (!empty($display['settings']['lazyload'])) {
      $libraries[] = array(
        'picture',
        'lazysizes',
      );
      if (!empty($display['settings']['lazyload_aspect_ratio'])) {
        $libraries[] = array(
          'picture',
          'lazysizes_aspect_ratio',
        );
      }
    }
    $element = array(
      '#theme' => 'picture_formatter',
      '#attached' => array(
        'library' => $libraries,
      ),
      '#item' => array(
        'style_name' => $fallback_image_style,
        'path' => $file->uri,
        'uri' => $file->uri,
        'alt' => token_replace($display['settings']['alt'], array(
          'file' => $file,
        ), $replace_options),
        'title' => token_replace($display['settings']['title'], array(
          'file' => $file,
        ), $replace_options),
      ) + $dimensions,
      '#image_style' => $fallback_image_style,
      '#breakpoints' => $breakpoint_styles,
      '#path' => '',
      '#lazyload' => !empty($display['settings']['lazyload']),
      '#lazyload_aspect_ratio' => !empty($display['settings']['lazyload_aspect_ratio']),
    );
    return $element;
  }
}