<?php

/**

 * @file

 * Helper module for Ajax framework tests.

 */

/**

 * Implements hook_menu().

 */

function ajax_test_menu() {

  $items['ajax-test/render'] = array(

    'title' => 'ajax_render',

    'page callback' => 'ajax_test_render',

    'delivery callback' => 'ajax_deliver',

    'access callback' => TRUE,

    'type' => MENU_CALLBACK,

  );

  $items['ajax-test/render-error'] = array(

    'title' => 'ajax_render_error',

    'page callback' => 'ajax_test_error',

    'delivery callback' => 'ajax_deliver',

    'access callback' => TRUE,

    'type' => MENU_CALLBACK,

  );

  $items['ajax-test/link'] = array(

    'title' => 'AJAX Link',

    'page callback' => 'ajax_test_link',

    'access callback' => TRUE,

  );

  return $items;

}

/**

 * Implements hook_system_theme_info().

 */

function ajax_test_system_theme_info() {

  $themes['test_theme'] = drupal_get_path('module', 'ajax_test') . '/themes/test_theme/test_theme.info';

  return $themes;

}

/**

 * Menu callback; Return an element suitable for use by ajax_deliver().

 *

 * Additionally ensures that ajax_render() incorporates JavaScript settings

 * generated during the page request by invoking drupal_add_js() with a dummy

 * setting.

 */

function ajax_test_render() {

  drupal_add_js(array('ajax' => 'test'), 'setting');

  return array('#type' => 'ajax', '#commands' => array());

}

/**

 * Menu callback; Returns Ajax element with #error property set.

 */

function ajax_test_error() {

  $message = '';

  if (!empty($_GET['message'])) {

    $message = $_GET['message'];

  }

  return array('#type' => 'ajax', '#error' => $message);

}

/**

 * Menu callback; Renders a #type link with #ajax.

 */

function ajax_test_link() {

  $build['link'] = array(

    '#type' => 'link',

    '#title' => 'Show help',

    '#href' => 'filter/tips',

    '#ajax' => array(

      'wrapper' => 'block-system-main',

    ),

  );

  return $build;

}