<?php
// $Id$

/**
 * @file
 * Dummy module implementing hook menu.
 */

/**
 * Implement hook_menu().
 */
function menu_test_menu() {
  // The name of the menu changes during the course of the test. Using a $_GET.
  $items['menu_name_test'] = array(
    'title' => 'Test menu_name router item',
    'page callback' => 'node_save',
    'menu_name' => menu_test_menu_name(),
  );
  // Use FALSE as 'title callback' to bypass t().
  $items['menu_no_title_callback'] = array(
    'title' => 'A title with @placeholder',
    'title callback' => FALSE,
    'title arguments' => array('@placeholder' => 'some other text'),
    'page callback' => 'menu_test_callback',
    'access arguments' => array('access content'),
  );

  // Hidden link for menu_link_maintain tests
  $items['menu_test_maintain/%'] = array(
    'title' => 'Menu maintain test',
    'page callback' => 'node_page_default',
    'access arguments' => array('access content'),
   );
  // Hierarchical tests.
  $items['menu-test/hierarchy/parent'] = array(
    'title' => 'Parent menu router',
    'page callback' => 'node_page_default',
  );
  $items['menu-test/hierarchy/parent/child'] = array(
    'title' => 'Child menu router',
    'page callback' => 'node_page_default',
  );
  $items['menu-test/hierarchy/parent/child2/child'] = array(
    'title' => 'Unattached subchild router',
    'page callback' => 'node_page_default',
  );
  return $items;
}

/**
 * Dummy callback for hook_menu() to point to.
 *
 * @return
 *  A random string.
 */
function menu_test_callback() {
  return $this->randomName();
}

/**
 * Helper function for the testMenuName() test. Used to change the menu_name
 * parameter of a menu.
 *
 * @param $new_name 
 *   If set, will change the menu_name value.
 * @return 
 *   The menu_name value to use.
 */
function menu_test_menu_name($new_name = '') {
  static $name = 'original';
  if ($new_name) {
    $name = $new_name;
  }
  return $name;
}

/**
 * Implement hook_menu_link_insert().
 *
 * @return
 *  A random string.
 */
function menu_test_menu_link_insert($item) {
  menu_test_static_variable('insert');
}

/**
 * Implement hook_menu_link_update().
 *
 * @return
 *  A random string.
 */
function menu_test_menu_link_update($item) {
  menu_test_static_variable('update');
}

/**
 * Implement hook_menu_link_delete().
 *
 * @return
 *  A random string.
 */
function menu_test_menu_link_delete($item) {
  menu_test_static_variable('delete');
}

/**
 * Static function for testing hook results.
 *
 * @param $value
 *   The value to set or NULL to return the current value.
 * @return
 *   A text string for comparison to test assertions.
 */
function menu_test_static_variable($value = NULL) {
  static $variable;
  if (!empty($value)) {
    $variable = $value;
  }
  return $variable;
}