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function field_collection_field_render_revision in Field collection 7

Renders a field collection fields revision.

1 call to field_collection_field_render_revision()
field_collection_field_diff_view in ./field_collection.diff.inc
Diff field callback for parsing Field Collection fields comparative values.

File

./field_collection.diff.inc, line 22
Provide diff field functions for the Field Collection.

Code

function field_collection_field_render_revision($item, $context) {
  $entity_type = 'field_collection_item';
  $bundle_name = $context['field']['field_name'];
  $view_mode = $context['view_mode'];
  $entity = entity_revision_load($entity_type, $item['revision_id']);
  if (empty($entity)) {
    return array();
  }
  $field_context = $context;
  $field_context['entity_type'] = $entity_type;
  $field_context['bundle'] = $bundle_name;
  $field_context['entity'] = $entity;

  // Some fields piggy back the display settings, so we need to fake these by
  // ensuring that the field mode is always set.
  if (empty($view_mode)) {
    $field_context['custom_settings'] = FALSE;
  }
  $view_mode_settings = field_view_mode_settings($entity_type, $bundle_name);
  $actual_mode = !empty($view_mode_settings[$view_mode]['custom_settings']) ? $view_mode : 'default';
  if (!isset($field_context['custom_settings'])) {
    $field_context['custom_settings'] = $actual_mode && $actual_mode == $view_mode;
  }
  $instances = field_info_instances($entity_type, $field_context['bundle']);
  usort($instances, '_field_collection_sort_items');
  $result = array();
  foreach ($instances as $instance) {

    // Any view mode is supported in relation to hiding fields, but only if
    // selected.
    if ($actual_mode && $instance['display'][$actual_mode]['type'] == 'hidden') {
      continue;
    }
    $field_name = $instance['field_name'];
    $field = field_info_field($field_name);

    // We provide a loose check on the field access.
    if (field_access('view', $field, $entity_type) || field_access('edit', $field, $entity_type)) {
      $langcode = !empty($entity) ? field_language($entity_type, $entity, $field_name) : LANGUAGE_NONE;
      $field_context['language'] = $langcode;
      $field_context['field'] = $field;
      $field_context['instance'] = $instance;
      $field_context['settings'] = diff_get_field_settings($field_context);
      $field_context['display'] = $instance['display'][$actual_mode];
      $old_items = array();
      $new_items = array();
      if (!empty($entity->{$field_name}[$langcode])) {
        $new_items = $entity->{$field_name}[$langcode];
      }
      $func = $field['module'] . '_field_diff_view_prepare';
      if (function_exists($func)) {
        $func($old_items, $new_items, $field_context);
      }
      $func = $field['module'] . '_field_diff_view';
      if (!function_exists($func)) {
        $func = 'diff_field_diff_view';
      }
      if (!empty($new_items)) {
        $raw_values = $func($new_items, $field_context);
        drupal_alter('field_diff_view', $raw_values, $new_items, $field_context);
        $values = array();
        foreach ($raw_values as $raw_value) {
          $values[] = is_array($raw_value) ? implode(', ', $raw_value) : $raw_value;
        }
        $result[] = check_plain($instance['label'] . ': ' . implode(', ', $values));
      }
    }
  }
  return $result;
}