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Drupal example source code file (views_handler_argument_comment_user_uid.inc)

This example Drupal source code file (views_handler_argument_comment_user_uid.inc) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

asc, check_plain, desc, function, if, parent::default_actions, php, return, select, summary, title, unset, where, which

The views_handler_argument_comment_user_uid.inc Drupal example source code

// $Id: views_handler_argument_comment_user_uid.inc,v 1.2 2009/06/02 18:50:56 merlinofchaos Exp $

 * Argument handler to accept a user id to check for nodes that
 * user posted or commented on.
class views_handler_argument_comment_user_uid extends views_handler_argument {
  function title() {
    if (!$this->argument) {
      $title = variable_get('anonymous', t('Anonymous'));
    else {
      $title = db_result(db_query("SELECT u.name FROM {users} u WHERE u.uid = %d", $this->argument));
    if (empty($title)) {
      return t('No user');

    return check_plain($title);

  function default_actions($which = NULL) {
    // Disallow summary views on this argument.
    if (!$which) {
      $actions = parent::default_actions();
      unset($actions['summary asc']);
      unset($actions['summary desc']);
      return $actions;

    if ($which != 'summary asc' && $which != 'summary desc') {
      return parent::default_actions($which);

  function query() {
    $this->query->add_where(0, "$this->table_alias.uid = %d OR ((SELECT COUNT(*) FROM {comments} c WHERE c.uid = %d AND c.nid = $this->table_alias.nid) > 0)", $this->argument, $this->argument);

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