БлогЛогин, регистрация и восстановление пароля с помощью AJAX

<?php
 
function login_menu()
{
    $items['login'] = array(
        'title' => t('Login form'),
        'page callback' => 'drupal_get_form',
        'page arguments' => array('user_login'),
        'access arguments' => array('access content'),
    );
 
    return $items;
}
 
function login_form_alter(&$form, &$form_type, $form_id)
{
    $enabled_links = array('login', 'register', 'password');
    switch ($form_id) {
        case 'user_login':
            $form['links'] = array(
                '#theme' => 'item_list',
                //'#items' => login_ajax_links($enabled_links, $form_id),
            );
            $form['actions']['submit']['#ajax'] = array(
                'callback' => 'login_ajax_callback',
            );
    }
}
 
/*function login_ajax_links($form, $form_state)
{
    if (!form_get_errors()) {
        $commands = _login_execute_form('login', $form_state);
        return array('#type' => 'ajax', '#commands' => $commands, '#ajax' => form_get_errors());
    }
 
    // Reload form if it didn't pass validation.
    return $form;
}*/
 
function login_ajax_callback($form, $form_state)
{
    if (!form_get_errors()) {
        $commands = _login_execute_form('login', $form_state);
        return array('#type' => 'ajax', '#commands' => $commands);
    }
    return $form;
}
 
function _login_execute_form($form_type, $form_state)
{
    // Include additinal ajax commands.
    ctools_include('ajax');
    ctools_include('modal');
    $redirect_behavior = variable_get('login_' . $form_type . '_redirect_behavior', 'default');
    $redirect_url = variable_get('login_' . $form_type . '_redirect_url', '');
    // Use the form state's redirect url for default behavior.
    if ($redirect_behavior == 'default' && !empty($form_state['redirect'])) {
        if (is_array($form_state['redirect'])) {
            $redirect_url = call_user_func_array('url', $form_state['redirect']);
            // Remove leading slash from the url.
            $redirect_url = drupal_substr($redirect_url, 1);
        }
        else {
            $redirect_url = $form_state['redirect'];
        }
    }
    elseif (($redirect_behavior == 'custom' && !empty($redirect_url)) || $redirect_behavior == 'none') {
        // Do nothing other than preventing the fallback.
    } // Refresh the page as a fallback redirect behavior.
    // This can happen if the form state does not have a redirect.
    else {
        $redirect_behavior = 'refresh';
    }
 
    // Provide additional logic and titles for different form types.
    switch ($form_type) {
 
        case 'login':
            $title = t('Successful login');
            $message = 'Login was successful. ';
            if ($redirect_behavior == 'refresh') {
                $message .= 'Page will now be reloaded.';
            }
            elseif ($redirect_behavior == 'default' || $redirect_behavior == 'custom') {
                $message .= 'Page will now be redirected.';
            }
 
            drupal_set_message(check_plain(t($message)));
            $commands[] = ctools_modal_command_display($title, theme('status_messages'));
            break;
    }
    // Send ajax command to modal based on redirect behavior.
 
    switch ($redirect_behavior) {
        case 'none':
            $commands[] = ctools_modal_command_display($title, theme('status_messages'));
            break;
 
        case 'refresh':
            $commands[] = ctools_ajax_command_reload();
            break;
 
        default:
            // Redirect to URL supplied from default or custom redirect behavior.
            $commands[] = ctools_ajax_command_redirect($redirect_url);
            break;
    }
    //print_r($commands);die();
    return $commands;
}