function views_plugin_row_file_rss::render in File Entity (fieldable files) 7.2

Same name and namespace in other branches

1. 8.2 views/views_plugin_row_file_rss.inc \views_plugin_row_file_rss::render()
2. 7.3 views/views_plugin_row_file_rss.inc \views_plugin_row_file_rss::render()

Render a row object. This usually passes through to a theme template of some form, but not always.

Parameters

stdClass $row: A single row of the query result, so an element of $view->result.

Return value

string The rendered output of a single row, used by the style plugin.

Overrides views_plugin_row::render

File

views/views_plugin_row_file_rss.inc, line 88

Contains the file RSS row style plugin.

Class

views_plugin_row_file_rss

Plugin which performs a file_view on the resulting object and formats it as an RSS item.

Code

function render($row) {

  // For the most part, this code is taken from node_feed() in node.module
  global $base_url;
  $fid = $row->{$this->field_alias};
  if (!is_numeric($fid)) {
    return;
  }
  $display_mode = $this->options['item_length'];
  if ($display_mode == 'default') {
    $display_mode = variable_get('feed_item_length', 'teaser');
  }

  // Load the specified file:
  $file = $this->files[$fid];
  if (empty($file)) {
    return;
  }
  $item_text = '';
  $uri = entity_uri('file', $file);
  $user = user_load($file->uid);
  $file->link = url($uri['path'], $uri['options'] + array(
    'absolute' => TRUE,
  ));
  $file->rss_namespaces = array();
  $file->rss_elements = array(
    array(
      'key' => 'pubDate',
      'value' => gmdate('r', $file->timestamp),
    ),
    array(
      'key' => 'dc:creator',
      'value' => $user->name,
    ),
    array(
      'key' => 'guid',
      'value' => $file->fid . ' at ' . $base_url,
      'attributes' => array(
        'isPermaLink' => 'false',
      ),
    ),
  );

  // The file gets built and modules add to or modify $file->rss_elements
  // and $file->rss_namespaces.
  $build_mode = $display_mode;
  $build = file_view($file, $build_mode);
  unset($build['#theme']);
  if (!empty($file->rss_namespaces)) {
    $this->view->style_plugin->namespaces = array_merge($this->view->style_plugin->namespaces, $file->rss_namespaces);
  }
  elseif (function_exists('rdf_get_namespaces')) {

    // Merge RDF namespaces in the XML namespaces in case they are used
    // further in the RSS content.
    $xml_rdf_namespaces = array();
    foreach (rdf_get_namespaces() as $prefix => $uri) {
      $xml_rdf_namespaces['xmlns:' . $prefix] = $uri;
    }
    $this->view->style_plugin->namespaces += $xml_rdf_namespaces;
  }

  // Hide the links if desired.
  if (!$this->options['links']) {
    hide($build['links']);
  }
  if ($display_mode != 'title') {

    // We render file contents and force links to be last.
    $build['links']['#weight'] = 1000;
    $item_text .= drupal_render($build);
  }
  $item = new stdClass();
  $item->description = $item_text;
  $item->title = $file->filename;
  $item->link = $file->link;
  $item->elements = $file->rss_elements;
  $item->fid = $file->fid;
  return theme($this
    ->theme_functions(), array(
    'view' => $this->view,
    'options' => $this->options,
    'row' => $item,
  ));
}