username_check.module in Username originality AJAX check 6

Checks user name availability on registration page.

File

username_check.module

<?php

/**
 * @file
 * Checks user name availability on registration page.
 */

/**
 * Implementation of hook_menu().
 */
function username_check_menu() {
  $items = array();
  $items['username_check/isunique'] = array(
    'type' => MENU_CALLBACK,
    'page callback' => 'username_check_callback',
    'access arguments' => array(
      'access content',
    ),
    'file' => 'username_check.unique.inc',
  );
  $items['admin/settings/username_check'] = array(
    'title' => 'Username check',
    'type' => MENU_NORMAL_ITEM,
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'username_check_settings',
    ),
    'access arguments' => array(
      'administer site configuration',
    ),
    'file' => 'username_check.settings.inc',
  );
  return $items;
}

/**
 * Implementation of hook_form_$form-id_alter().
 */
function username_check_form_user_register_alter(&$form) {
  $mode = variable_get('username_check_mode', 'auto');
  _username_check_load_resources($mode);
  if (isset($form['account']) && $form['account']['#type'] == 'fieldset') {
    $form_group =& $form['account'];
  }
  else {
    $form_group =& $form;
  }
  if ($mode == 'manual') {
    $form_group['name']['#weight'] = -5;
    $form_group['name']['#prefix'] = '<div id="username-check-wrapper">';
    $form_group['name']['#suffix'] = '</div>';
    $form_group['username_check_button'] = array(
      '#type' => 'button',
      '#button_type' => 'button',
      // Really not supported in D6.8 and fixed in JS :'(
      '#value' => t('Check username'),
      '#prefix' => '<div id="username-check-message" class="username-check-message"></div>',
      '#weight' => -4,
    );
  }
  elseif ($mode == 'auto') {
    $module_path = drupal_get_path('module', 'username_check');
    $form_group['name']['#prefix'] = '<div id="username-check-wrapper">';
    $form_group['name']['#suffix'] = '</div><div id="username-check-message"></div><div id="username-check-informer" class="username-check-informer">&nbsp;</div>';
  }
}

/**
 * Load username_check resources.
 */
function _username_check_load_resources($mode) {
  $module_path = drupal_get_path('module', 'username_check');
  drupal_add_css($module_path . '/username_check.css');
  drupal_add_js($module_path . "/username_check_{$mode}.js");
  drupal_add_js(array(
    'usernameCheck' => array(
      'ajaxUrl' => url('username_check/isunique', array(
        'absolute' => TRUE,
      )),
      'msgWait' => t('Checking username availability ...'),
      'delay' => variable_get('username_check_delay', 1),
    ),
  ), 'setting');
}

Functions

Name	Description
username_check_form_user_register_alter	Implementation of hook_form_$form-id_alter().
username_check_menu	Implementation of hook_menu().
_username_check_load_resources	Load username_check resources.