<?php
// $Id$

/**
 * @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',
    'access callback' => TRUE,
    'type' => MENU_CALLBACK,
  );
  $items['ajax-test/render-error'] = array(
    'title' => 'ajax_render_error',
    'page callback' => 'ajax_test_render_error',
    'access callback' => TRUE,
    'type' => MENU_CALLBACK,
  );
  return $items;
}

/**
 * Menu callback; Copies $_GET['commands'] into $commands and ajax_render()s that.
 *
 * Additionally ensures that ajax_render() incorporates JavaScript settings
 * by invoking drupal_add_js() with a dummy setting.
 */
function ajax_test_render() {
  // Prepare AJAX commands.
  $commands = array();
  if (!empty($_GET['commands'])) {
    $commands = $_GET['commands'];
  }
  // Add a dummy JS setting.
  drupal_add_js(array('ajax' => 'test'), 'setting');

  // Output AJAX commands and end the request.
  ajax_render($commands);
}

/**
 * Menu callback; Invokes ajax_render_error().
 *
 * Optionally passes $_GET['message'] to ajax_render_error().
 */
function ajax_test_render_error() {
  $message = '';
  if (!empty($_GET['message'])) {
    $message = $_GET['message'];
  }
  ajax_render_error($message);
}