function emvideo_handler_field_description::render in Embedded Media Field 6.2

File

contrib/emvideo/includes/views/handlers/emvideo_handler_field_description.inc, line 53

Field handler for emfield providers.

Class

emvideo_handler_field_description

@file Field handler for emfield providers.

Code

function render($values) {

  // If this is not a grouped field, use content_handler_field::render().
  if (!$this->defer_query) {
    return $this
      ->render_provider($values);
  }

  // We're down to a single node here, so we can retrieve the actual field
  // definition for the node type being considered.
  $field = content_fields($this->content_field['field_name'], $values->{$this->aliases['type']});
  $options = $this->options;
  $vid = $values->{$this->field_alias};
  if (isset($this->field_values[$vid])) {

    // Gather items, respecting the 'Display n values starting from m' settings.
    $count_skipped = 0;
    $items = array();
    foreach ($this->field_values[$vid] as $item) {
      if (empty($options['multiple']['multiple_from']) || $count_skipped >= $options['multiple']['multiple_from']) {
        if (empty($options['multiple']['multiple_number']) || count($items) < $options['multiple']['multiple_number']) {

          // Grab the nid - needed for render_link().
          $nid = $item['_nid'];
          unset($item['_nid']);
          $items[] = $item;
        }
        else {
          break;
        }
      }
      $count_skipped++;
    }

    // Build a pseudo-node from the retrieved values.
    $node = drupal_clone($values);

    // content_format and formatters will need a 'type'.
    $node->type = $values->{$this->aliases['type']};
    $node->nid = $values->{$this->aliases['nid']};
    $node->vid = $values->{$this->aliases['vid']};

    // Some formatters need to behave differently depending on the build_mode
    // (for instance: preview), so we provide one.
    $node->build_mode = NODE_BUILD_NORMAL;

    // Render items.
    if ($items) {
      $rendered = array();

      // Single-value formatter.
      foreach ($items as $item) {
        $output = theme('emvideo_handler_field_description', $item, $field, $node, $values, $options['format']);
        if (!empty($output)) {
          $rendered[] = $this
            ->render_link($output, (object) array(
            'nid' => $nid,
          ));
        }
      }
      if (count($rendered) > 1) {

        // TODO: could we use generic field display ?
        return theme('content_view_multiple_field', $rendered, $field, $values);
      }
      elseif ($rendered) {
        return $rendered[0];
      }
    }
  }
  return '';
}