<?php
// $Id: realname_theme.inc,v 1.2.4.13 2009/01/28 05:01:47 nancyw Exp $

/**
 * @file
 *   This include file intercepts the theme('username'... function
 *   and uses the RealName instead of the username.
 */

/**
 * Format a username.  (copied from theme.inc)
 *
 * @param $object
 *   The user object to format, usually returned from user_load().
 * @param $options
 *   An associative array of theme options.
 *     'plain' => whether or not to make the name a link (default: FALSE)
 *     'homepage' => link may be to the user's homepage (default: TRUE)
 *     'levels' => include user level marking (default: TRUE)
 *     'max_length' => maximum name length to show (default: from settings page)
 *     'not_ver' => whether to show "not verified" (default: from settings page)
 * 
 * @return
 *   A string containing an HTML link to the user's page if the passed object
 *   suggests that this is a site user. Otherwise, only the username is returned.
 */
function realname_username($object, $options = array()) {
  $defaults = array(
    'plain' => FALSE,
    'homepage' => TRUE,
    'levels' => TRUE,
    'max_length' => variable_get('realname_max_username', 20),
    'not_ver' => variable_get('realname_notver', TRUE),
    );
  $options = array_merge($defaults, $options);
  // If we have a user id but no realname, then make one.
  if ($object->uid && empty($object->realname) && user_access('use realname')) {
    $object->realname = realname_make_name($object);
  }

  if ($object->uid && $object->realname) {
    // Shorten the name when it is too long or it will break many tables.
    $max_name = $options['max_length'];
    if (drupal_strlen($object->realname) > $max_name) {
      $name = drupal_substr($object->realname, 0, $max_name - 3) .'...';
    }
    else {
      $name = $object->realname;
    }

    if (user_access('access user profiles') && !$options['plain']) {
      $attrs = array();
      if (isset($object->homepage) && $options['homepage']) {
        $url = $object->homepage;
        $title = t("View user's home page.");
        if (variable_get('realname_nofollow', FALSE)) {
          $attrs['rel'] = 'nofollow';
        }
      }
      else {
        $url = 'user/'. $object->uid;
        $title = t('View user profile.');
      }
      $attrs['title'] = $title;
      $output = l($name, $url, array('attributes' => $attrs));
    }
    else {
      $output = check_plain($name);
    }
  }
  elseif ($object->name) {
    // Sometimes modules display content composed by people who are not registered
    // members of the site (e.g. mailing list or news aggregator modules).
    // This clause enables modules to display the true author of the content.
    if ($object->homepage && $options['homepage']) {
      $output = l($object->name, $object->homepage, array('attributes' => array('title' => t("View user's home page."))));
    }
    else {
      $output = check_plain($object->name);
    }

    if ($options['max_length']) {
      $output .= ' ('. t('not verified') .')';
    }
  }
  else {
    $output = variable_get('anonymous', t('Anonymous'));
  }

  return $output;
}