function linkit_node_linkit_load_plugins in Linkit 6

Same name and namespace in other branches

1. 7 plugins/linkit_node/linkit_node.module \linkit_node_linkit_load_plugins()

Implementation of hook_linkit_load_plugins().

File

plugins/linkit_node/linkit_node.module, line 10

Extend Linkit with node links.

Code

function linkit_node_linkit_load_plugins($string) {
  $matches = array();
  $settings = variable_get('linkit_node', array());

  // Prevent "PHP notice: Undefined variable"
  _linkit_node_get_default_settings($settings);
  $fields = array(
    'n.nid',
    'n.title',
  );

  // default fields
  $from = array(
    '{node} n',
  );

  // default from
  $where = array();

  // default where
  if ($settings['display_settings']['content_type']) {
    $from[] = 'INNER JOIN {node_type} nt ON nt.type = n.type';
    $fields[] = 'nt.name AS content_type';
  }
  if ($settings['display_settings']['status']) {
    $fields[] = 'n.status';
  }
  if ($settings['display_settings']['language']) {
    $fields[] = 'n.language';
  }
  if ($settings['display_settings']['created']) {
    $fields[] = 'n.created';
  }
  if ($settings['display_settings']['changed']) {
    $fields[] = 'n.changed';
  }
  if ($settings['display_settings']['show_books'] && module_exists('book')) {
    $from[] = 'LEFT JOIN {book} b ON b.nid = n.nid';
    $fields[] = 'b.bid';
  }
  if (!$settings['display_settings']['show_unpublished']) {
    $where[] = "AND n.status = 1";
  }

  // Prebuild the SQL query
  $sql = array();
  $sql[] = "SELECT %s";
  $sql[] = "FROM " . implode(" ", $from);
  $sql[] = "WHERE LOWER(n.title) LIKE LOWER('%%%s%%') %s";

  // Content type check
  if ($allowed_content_types = array_filter($settings['content_types'])) {
    $allowed_content_types = implode("', '", $allowed_content_types);

    // Special treatment!!
    // If we push this to the $where array, the single-quotes will be
    // escaped and result in a SQL error.
    // I asked chx if its ok to use the content type machine name
    // "as it is" in this query and he said ok and I trust him.
    $sql[] = " AND n.type IN ('" . $allowed_content_types . "')";
  }

  // Get nodes
  $result = db_query(db_rewrite_sql(implode(" ", $sql)), implode(",", $fields), $string, implode(" ", $where));
  $i = 0;
  while ($node = db_fetch_object($result)) {
    $matches['node'][$i] = array(
      'title' => $node->title,
      'path' => 'internal:node/' . $node->nid,
      'information' => array(
        'type' => 'Node',
      ),
    );

    // Add the node nid
    if ($settings['display_settings']['nid']) {
      $matches['node'][$i]['information']['nid'] = $node->nid;
    }

    // Add the node content type
    if ($settings['display_settings']['content_type']) {
      $matches['node'][$i]['information']['content type'] = $node->content_type;
    }

    // Add the node status
    if ($settings['display_settings']['status']) {
      $matches['node'][$i]['information']['status'] = $node->status ? t('published') : t('unpublished');
    }

    // Add the node language
    if ($settings['display_settings']['language']) {
      $matches['node'][$i]['information']['language'] = $node->language ? $node->language : '-';
    }

    // Add the node created time
    if ($settings['display_settings']['created']) {
      $matches['node'][$i]['information']['created'] = $node->created ? format_date($node->created, 'small') : '-';
    }

    // Add the node changed time
    if ($settings['display_settings']['changed']) {
      $matches['node'][$i]['information']['changed'] = $node->changed ? format_date($node->changed, 'small') : '-';
    }

    // Add Title of the book a node belong to
    if ($settings['display_settings']['show_books'] && $node->bid) {
      $book_node = node_load($node->bid);
      $matches['node'][$i]['information']['book'] = $book_node->title;
    }
    $i++;
  }
  return $matches;
}