Add feature to override theme_username.

Added default to standard username if no fields populated.

realname.install

@@ -25,4 +25,5 @@ function realname_enable() {
 function realname_uninstall() {
   variable_del('realname_sep');
   variable_del('realname_fields');
+  variable_del('realname_theme');
 }

realname.module

@@ -3,11 +3,11 @@
 
 /**
  * @file
- * The RealName module allows the admin to choose fields from teh user profile
+ * The RealName module allows the admin to choose fields from the user profile
  * that will be used to add a "realname" element (method) to a user object.
  * Hook_user is used to automatically add this to any user object that is loaded.
  *
- * @copyright Copyright (c) 2007-200 Nancy Wichmann.  All rights reserved.
+ * @copyright Copyright (c) 2007-2008 Nancy Wichmann.  All rights reserved.
  */
 
 //********************************************************************
@@ -31,6 +31,12 @@ function realname_menu($may_cache) {
       'callback arguments' => array('realname_admin_settings'),
       );
   }
+  else {
+    // If desired, load the theme override file.
+    if (variable_get('realname_theme', false)) {
+      include_once(drupal_get_path('module', 'realname') .'/realname_theme.inc');
+    }
+  }
   return $items;
 }
 
@@ -56,6 +62,7 @@ function realname_help($path, $args = null) {
   }
 }
 
+
 //********************************************************************
 //* Module Functions
 //********************************************************************
@@ -85,6 +92,11 @@ function realname_make_name(&$account) {
     } 
   }
 
+  // If no fields set, use username.
+  if (count($stuff) == 0) {
+    $stuff[] = $account->name;
+  }
+
   // TODO: Make a pattern, rather than hard separator.
   return implode($sep, $stuff);
 }
@@ -182,6 +194,13 @@ function realname_admin_settings() {
     '#default_value' => variable_get('realname_sep', ' '),
     );
 
+  $form['realname_theme'] = array(
+    '#type' => 'checkbox',
+    '#title' => '<strong>'. t('Override username theme') .'</strong>',
+    '#description' => t('If this option is selected, the standard username theme function will be overriden to use the "Real name."'),
+    '#default_value' => variable_get('realname_theme', false),
+    );
+
   $form['submit'] = array(
     '#type' => 'submit',
     '#value' => t('Save'),
@@ -213,4 +232,7 @@ function realname_admin_settings_submit($form_id, $form_values) {
   // Okay, save the stuff.
   variable_set('realname_fields', $realname_fields);
   variable_set('realname_sep', $form_values['realname_sep']);
+  variable_set('realname_theme', $form_values['realname_theme']);
+
+  drupal_set_message(t('Configuration has been updated.'), 'status');
 }

realname_theme.inc

+<?php
+// $Id$
+
+/**
+ * @file
+ *   This include file intercepts the theme('username'... function
+ *   and uses the RealName instead of the username.
+ *
+ * @copyright Copyright (c) 2007-2008 Nancy Wichmann.  All rights reserved.
+ */
+/**
+ * Format a username.  (copied from theme.inc)
+ *
+ * @param $object
+ *   The user object to format, usually returned from user_load().
+ * @return
+ *   A string containing an HTML link to the user's page if the passed object
+ *   suggests that this is a site user. Otherwise, only the username is returned.
+ */
+function phptemplate_username($object) {
+  if ($object->uid && $object->realname) {
+    // Shorten the name when it is too long or it will break many tables.
+    if (drupal_strlen($object->realname) > 20) {
+      $name = drupal_substr($object->realname, 0, 15) .'...';
+    }
+    else {
+      $name = $object->realname;
+    }
+
+    if (user_access('access user profiles')) {
+      $output = l($name, 'user/'. $object->uid, array('title' => t('View user profile.')));
+    }
+    else {
+      $output = check_plain($name);
+    }
+  }
+  else if ($object->name) {
+    // Sometimes modules display content composed by people who are
+    // not registered members of the site (e.g. mailing list or news
+    // aggregator modules). This clause enables modules to display
+    // the true author of the content.
+    if ($object->homepage) {
+      $output = l($object->name, $object->homepage);
+    }
+    else {
+      $output = check_plain($object->name);
+    }
+
+    $output .= ' ('. t('not verified') .')';
+  }
+  else {
+    $output = variable_get('anonymous', t('Anonymous'));
+  }
+
+  return $output;
+}