function commons_groups_tokens in Drupal Commons 7.3

Implements hook_tokens().

File

modules/commons/commons_groups/commons_groups.module, line 551

Code

function commons_groups_tokens($type, $tokens, $data = array(), $options = array()) {
  $replacements = array();
  if ($type == 'node' && !empty($data['node'])) {
    $group = $data['node'];
    foreach ($tokens as $name => $original) {
      if ($name == 'commons-groups-group-contributors-count-topics') {
        $replacements[$original] = commons_groups_group_contributors_count_topics($group);
        return $replacements;
      }
    }
  }
  if ($type == 'commons-groups') {
    if (!empty($tokens['in-groups-text'])) {

      // Build a list of groups associated with this message.
      $text = '';
      $target_nids = array();
      $related_groups = array();
      $related_gids = array();

      // First, build an array of target nodes associated with the message.
      foreach ($data['message']->field_target_nodes[LANGUAGE_NONE] as $key => $value) {
        $target_nids[] = $value['target_id'];
      }

      // If there are no target nodes, the in-groups-text token should be empty.
      if (empty($target_nids)) {
        $replacements['[commons-groups:in-groups-text]'] = $text;
        return $replacements;
      }

      // Build a list of groups associated with the target nodes.
      // For now, we assume that the group type is node.
      foreach ($target_nids as $key => $nid) {
        $og_memberships_this_target = og_get_entity_groups('node', $nid);
        if (!empty($og_memberships_this_target['node'])) {
          $og_memberships_this_target = $og_memberships_this_target['node'];
          foreach ($og_memberships_this_target as $membership_id => $gid) {
            $related_gids[] = $gid;
          }
        }
      }

      // If no groups are associated with any of the target nodes,
      // then we have no "in the groups" text.
      if (empty($related_gids)) {
        $replacements['[commons-groups:in-groups-text]'] = '';
        return $replacements;
      }
      $related_groups = entity_load('node', $related_gids);

      // Key the array of groups in a predictable way.
      $related_groups = array_values($related_groups);

      // Generate the appropriate text depending on the number of groups
      // associated with the message:
      $replacements['[commons-groups:in-groups-text]'] = commons_groups_related_groups_text($related_groups);
      return $replacements;
    }
  }
  if ($type == 'node' && !empty($data['node'])) {
    if (!empty($tokens['commons-groups-first-group'])) {
      $group = $data['node'];
      $text = '';
      if (!empty($group->og_group_ref[LANGUAGE_NONE])) {
        $wrapper = entity_metadata_wrapper('node', $group);
        $groups = $wrapper->og_group_ref
          ->value();

        // Return the title of the first group associated with this node.
        $first_group = array_shift($groups);

        // Use the title field by default and fall back to the node title.
        $first_group_wrapper = entity_metadata_wrapper('node', $first_group);
        $text = isset($first_group_wrapper->title_field) ? $first_group_wrapper->title_field
          ->value() : $first_group_wrapper
          ->label();
      }
      $replacements['[node:commons-groups-first-group]'] = $text;
      return $replacements;
    }
  }
}