<?php

/**

 * @file

 * Helper module for the Common tests.

 */

/**

 * Implements hook_menu().

 */

function common_test_menu() {

  $items['common-test/drupal_goto'] = array(

    'title' => 'Drupal Goto',

    'page callback' => 'common_test_drupal_goto_land',

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  $items['common-test/drupal_goto/fail'] = array(

    'title' => 'Drupal Goto',

    'page callback' => 'common_test_drupal_goto_land_fail',

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  $items['common-test/drupal_goto/redirect'] = array(

    'title' => 'Drupal Goto',

    'page callback' => 'common_test_drupal_goto_redirect',

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  $items['common-test/drupal_goto/redirect_advanced'] = array(

    'title' => 'Drupal Goto',

    'page callback' => 'common_test_drupal_goto_redirect_advanced',

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  $items['common-test/drupal_goto/redirect_fail'] = array(

    'title' => 'Drupal Goto Failure',

    'page callback' => 'drupal_goto',

    'page arguments' => array('common-test/drupal_goto/fail'),

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  $items['common-test/destination'] = array(

    'title' => 'Drupal Get Destination',

    'page callback' => 'common_test_destination',

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  $items['common-test/query-string'] = array(

    'title' => 'Test querystring',

    'page callback' => 'common_test_js_and_css_querystring',

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  return $items;

}

/**

 * Redirect using drupal_goto().

 */

function common_test_drupal_goto_redirect() {

  drupal_goto('common-test/drupal_goto');

}

/**

 * Redirect using drupal_goto().

 */

function common_test_drupal_goto_redirect_advanced() {

  drupal_goto('common-test/drupal_goto', array('query' => array('foo' => '123')), 301);

}

/**

 * Landing page for drupal_goto().

 */

function common_test_drupal_goto_land() {

  print "drupal_goto";

}

/**

 * Fail landing page for drupal_goto().

 */

function common_test_drupal_goto_land_fail() {

  print "drupal_goto_fail";

}

/**

 * Implements hook_drupal_goto_alter().

 */

function common_test_drupal_goto_alter(&$path, &$options, &$http_response_code) {

  if ($path == 'common-test/drupal_goto/fail') {

    $path = 'common-test/drupal_goto/redirect';

  }

}

/**

 * Implements hook_init().

 */

function common_test_init() {

  if (variable_get('common_test_redirect_current_path', FALSE)) {

    drupal_goto(current_path());

  }

}

/**

 * Print destination query parameter.

 */

function common_test_destination() {

  $destination = drupal_get_destination();

  print "The destination: " . check_plain($destination['destination']);

}

/**

 * Applies #printed to an element to help test #pre_render.

 */

function common_test_drupal_render_printing_pre_render($elements) {

  $elements['#printed'] = TRUE;

  return $elements;

}

/**

 * Implements hook_TYPE_alter().

 */

function common_test_drupal_alter_alter(&$data, &$arg2 = NULL, &$arg3 = NULL) {

  // Alter first argument.

  if (is_array($data)) {

    $data['foo'] = 'Drupal';

  }

  elseif (is_object($data)) {

    $data->foo = 'Drupal';

  }

  // Alter second argument, if present.

  if (isset($arg2)) {

    if (is_array($arg2)) {

      $arg2['foo'] = 'Drupal';

    }

    elseif (is_object($arg2)) {

      $arg2->foo = 'Drupal';

    }

  }

  // Try to alter third argument, if present.

  if (isset($arg3)) {

    if (is_array($arg3)) {

      $arg3['foo'] = 'Drupal';

    }

    elseif (is_object($arg3)) {

      $arg3->foo = 'Drupal';

    }

  }

}

/**

 * Implements hook_TYPE_alter() on behalf of Bartik theme.

 *

 * Same as common_test_drupal_alter_alter(), but here, we verify that themes

 * can also alter and come last.

 */

function bartik_drupal_alter_alter(&$data, &$arg2 = NULL, &$arg3 = NULL) {

  // Alter first argument.

  if (is_array($data)) {

    $data['foo'] .= ' theme';

  }

  elseif (is_object($data)) {

    $data->foo .= ' theme';

  }

  // Alter second argument, if present.

  if (isset($arg2)) {

    if (is_array($arg2)) {

      $arg2['foo'] .= ' theme';

    }

    elseif (is_object($arg2)) {

      $arg2->foo .= ' theme';

    }

  }

  // Try to alter third argument, if present.

  if (isset($arg3)) {

    if (is_array($arg3)) {

      $arg3['foo'] .= ' theme';

    }

    elseif (is_object($arg3)) {

      $arg3->foo .= ' theme';

    }

  }

}

/**

 * Implements hook_TYPE_alter() on behalf of block module.

 *

 * This is for verifying that drupal_alter(array(TYPE1, TYPE2), ...) allows

 * hook_module_implements_alter() to affect the order in which module

 * implementations are executed.

 */

function block_drupal_alter_foo_alter(&$data, &$arg2 = NULL, &$arg3 = NULL) {

  $data['foo'] .= ' block';

}

/**

 * Implements hook_module_implements_alter().

 *

 * @see block_drupal_alter_foo_alter()

 */

function common_test_module_implements_alter(&$implementations, $hook) {

  // For drupal_alter(array('drupal_alter', 'drupal_alter_foo'), ...), make the

  // block module implementations run after all the other modules. Note that

  // when drupal_alter() is called with an array of types, the first type is

  // considered primary and controls the module order.

  if ($hook == 'drupal_alter_alter' && isset($implementations['block'])) {

    $group = $implementations['block'];

    unset($implementations['block']);

    $implementations['block'] = $group;

  }

}

/**

 * Implements hook_theme().

 */

function common_test_theme() {

  return array(

    'common_test_foo' => array(

      'variables' => array('foo' => 'foo', 'bar' => 'bar'),

    ),

  );

}

/**

 * Theme function for testing drupal_render() theming.

 */

function theme_common_test_foo($variables) {

  return $variables['foo'] . $variables['bar'];

}

/**

 * Implements hook_library_alter().

 */

function common_test_library_alter(&$libraries, $module) {

  if ($module == 'system' && isset($libraries['farbtastic'])) {

    // Change the title of Farbtastic to "Farbtastic: Altered Library".

    $libraries['farbtastic']['title'] = 'Farbtastic: Altered Library';

    // Make Farbtastic depend on jQuery Form to test library dependencies.

    $libraries['farbtastic']['dependencies'][] = array('system', 'form');

  }

}

/**

 * Implements hook_library().

 *

 * Adds Farbtastic in a different version.

 */

function common_test_library() {

  $libraries['farbtastic'] = array(

    'title' => 'Custom Farbtastic Library',

    'website' => 'http://code.google.com/p/farbtastic/',

    'version' => '5.3',

    'js' => array(

      'misc/farbtastic/farbtastic.js' => array(),

    ),

    'css' => array(

      'misc/farbtastic/farbtastic.css' => array(),

    ),

  );

  return $libraries;

}

/**

 * Adds a JavaScript file and a CSS file with a query string appended.

 */

function common_test_js_and_css_querystring() {

   drupal_add_js(drupal_get_path('module', 'node') . '/node.js');

   drupal_add_css(drupal_get_path('module', 'node') . '/node.css');

   // A relative URI may have a query string.

   drupal_add_css('/' . drupal_get_path('module', 'node') . '/node-fake.css?arg1=value1&arg2=value2');

   return '';

}

/**

 * Implements hook_cron().

 *

 * System module should handle if a module does not catch an exception and keep

 * cron going.

 *

 * @see common_test_cron_helper()

 *

 */

function common_test_cron() {

  throw new Exception(t('Uncaught exception'));

}