function _itweak_upload_preprocess_files in iTweak Upload 7.3

Same name and namespace in other branches

1. 6.2 itweak_upload.module \_itweak_upload_preprocess_files()

Worker function for preprocessing filefield files.

Parameters

$files: Array of file objects (descriptors from filefield).

$thumbnails: Returned array of gallery images.

$display: $display parameter from hook_field_formatter_view().

$entity_type: $entity_type parameter from hook_field_formatter_view().

$entity: $entity parameter from hook_field_formatter_view().

$field_type: Field type to pass as 2nd arg to hook_file_download()

Return value

Count of files left in the $files.

1 call to _itweak_upload_preprocess_files()

itweak_upload_field_formatter_view in ./itweak_upload.module

Implements hook_field_formatter_view().

File

./itweak_upload.module, line 1051

iTweakUpload - Tweak attachments display and file upload forms.

Code

function _itweak_upload_preprocess_files(&$files, &$thumbnails, $display, $entity_type, $entity, $field_type = 'file') {

  //drupal_set_message('DEBUG _itweak_upload_preprocess_files display=<pre>'.htmlentities(print_r($display,1)).'</pre>');
  $settings = $display['settings'];
  $files_display_mode = $settings['files_display_mode'];
  $thumbnail_style = $settings['thumbnail_style'];
  $open_image_style = $settings['open_image_style'];
  $show_title = $settings['show_title'];
  $show_caption = $settings['show_caption'];

  // Build list of attached files and filter out images.
  $thumbnails = array();
  $cnt_other = 0;
  foreach ($files as $delta => $file) {

    //drupal_set_message('DEBUG 1 delta='.$delta.' file=<pre>'.htmlentities(print_r($file,1)).'</pre>');
    $file = (object) $file;
    if (!isset($file->display)) {
      $file->display = TRUE;
    }

    // imagefield does not have display property
    if ($file->display && empty($file->remove) && file_exists($file->uri)) {
      $file->lightbox_supported = _itweak_upload_lightbox_supported($file, $open_image_style);
      if (empty($file->filemime)) {
        $file->filemime = file_get_mimetype($file->uri);
      }

      // Check if user can download the file - no preview if can't.
      // Honor the value already set
      if (!isset($file->access)) {
        $file->access = TRUE;
      }

      // Call hook_file_download regardless of public downloads - accomodate private_upload.module
      // Undocumented 2nd argument is $field_type in file_file_download()
      // Undocumented 3rd argument, TRUE indicates it is just an access check
      // Works with download_count.module patched by [#720686] #1
      $headers = module_invoke_all('file_download', $file->uri, $field_type, TRUE);

      //drupal_set_message('DEBUG 2 headers=<pre>'.htmlentities(print_r($headers,1)).'</pre>');
      if (in_array(-1, $headers) || empty($headers)) {
        $file->access = FALSE;
      }
      if ($file->lightbox_supported && $open_image_style != '_original' && $open_image_style != '_none') {
        $file->path = $open_image_style != '' ? image_style_url($open_image_style, $file->uri) : file_create_url($file->uri);
      }
      $preview = FALSE;
      if ($file->access && $files_display_mode > ITU_DISPLAY_ALL_FILES_NO_THUMBNAILS) {
        if ($file->lightbox_supported && $open_image_style != '_none') {
          $options = _itweak_upload_lightbox_get_link_options($file, $display, $entity_type, $entity);
        }
        else {
          $options = array();
        }
        $preview = module_invoke_all('itweak_upload_preview', $file, $thumbnail_style, $show_title, $show_caption, $options);
      }

      //drupal_set_message('DEBUG 3 delta='.$delta.' cnt_other='.$cnt_other.' file=<pre>'.htmlentities(print_r($file,1)).'</pre>');
      if ($files_display_mode == ITU_DISPLAY_ALL_FILES_NO_THUMBNAILS || !$preview || $preview['#type'] != 'item') {
        $cnt_other += 1;

        // Leave in the files list
      }
      else {
        $file->preview = $preview;
        $file->preview_options = $options;
        if ($files_display_mode == ITU_DISPLAY_ALL_FILES_WITH_THUMBNAILS) {

          // Show image with regular files, just use thumbnail
          $cnt_other += 1;
        }
        else {
          if ($files_display_mode > ITU_DISPLAY_ALL_FILES_WITH_THUMBNAILS) {

            // Show image in the gallery
            $thumbnails[] = $file;

            // Mark file as hidden so image won't appear as attachment, but keep it in the list
            $file->hidden = true;
          }
        }
      }

      //drupal_set_message('DEBUG 4 delta='.$delta.' cnt_other='.$cnt_other.' file=<pre>'.htmlentities(print_r($file,1)).'</pre>');
    }
    if (is_object($files[$delta])) {
      $files[$delta] = $file;
    }
    else {
      $files[$delta] = (array) $file;
    }
  }

  //drupal_set_message('DEBUG 5 cnt_other='.$cnt_other.' settings=<pre>'.htmlentities(print_r($settings,1)).'</pre> files=<pre>'.htmlentities(print_r($files,1)).'</pre><br> thumbnails=<pre>'.htmlentities(print_r($thumbnails,1)).'</pre>');
  return $cnt_other;
}