<?php
// $Id: ckeditor.module,v 1.4.2.31 2010/09/27 12:49:01 dczepierga Exp $
/**
 * CKEditor - The text editor for Internet - http://ckeditor.com
 * Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * @file
 * CKEditor Module for Drupal 6.x
 *
 * This module allows Drupal to replace textarea fields with CKEditor.
 *
 * This HTML text editor brings to the web many of the powerful functionalities
 * of known desktop editors like Word. It's really  lightweight and doesn't
 * require any kind of installation on the client computer.
 */

/**
 * The name of simplified toolbar which should be forced
 * Be sure that this toolbar is defined in ckeditor.config.js or fckconfig.js
 */
define('CKEDITOR_FORCE_SIMPLE_TOOLBAR_NAME', 'DrupalBasic') ;
define('CKEDITOR_ENTERMODE_P', 1);
define('CKEDITOR_ENTERMODE_BR', 2);
define('CKEDITOR_ENTERMODE_DIV', 3);

global $_ckeditor_configuration;
global $_ckeditor_ids;

$_ckeditor_configuration = array();
$_ckeditor_ids = array();

/**
* Implementation of hook_form_alter()
*/
function ckeditor_form_alter(&$form, $form_state, $form_id) {
  // [#659278], [#666560], [#666616]
  if (substr($form_id, -10) == '_node_form') {
    $nodetype = $form['type']['#value'];
    if (!empty($form['body_field']['teaser_js']['#teaser'])) {
      $setting['ckeditor']['teaser'] = $form['body_field']['teaser_js']['#teaser'];
      drupal_add_js($setting, 'setting');
    }
  }
}

/**
 * Implementation of hook_help().
 *
 * This function delegates execution to ckeditor_help_delegate() in includes/ckeditor.page.inc to
 * lower the amount of code in ckeditor.module
 */
function ckeditor_help($path, $arg) {
  module_load_include('inc', 'ckeditor', 'includes/ckeditor.page');
  return module_invoke('ckeditor', 'help_delegate', $path, $arg);
}

/**
 * Implementation of hook_user().
 *
 * This function delegates execution to ckeditor_user_delegate() in includes/ckeditor.user.inc to
 * lower the amount of code in ckeditor.module
 */
function ckeditor_user($type, $edit, &$user, $category = NULL) {
  if (($type == 'form' && $category == 'account' && user_access('access ckeditor')) || $type == 'validate') {
    module_load_include('inc', 'ckeditor', 'includes/ckeditor.user');
    return ckeditor_user_delegate($type, $edit, $user, $category);
  }
  return NULL;
}

/**
 * Implementation of hook_perm().
 * Administer -> User management -> Permissions
 */
function ckeditor_perm() {
  $arr = array('administer ckeditor', 'access ckeditor');
  if (file_exists(drupal_get_path('module', 'ckeditor') . "/ckfinder")) {
    $arr[] = 'allow CKFinder file uploads';
  }
  return $arr;
}

/**
 * Implementation of hook_elements().
 * Replace textarea with CKEditor using callback function (ckeditor_process_textarea)
 */
function ckeditor_elements() {
  $type = array();
  $type['textfield'] = array(
    '#process' => array(
      'ckeditor_process_input'
    ),
  );
  // only roles with permission get the ckeditor
  if (user_access('access ckeditor')) {
    $type['textarea'] = array('#process' => array('ckeditor_process_textarea'));
    $type['form'] = array('#after_build' => array('ckeditor_process_form'));
    $type['hidden'] = array('#process' => array('ckeditor_process_hidden'));
  }
  return $type;
}

function ckeditor_process_hidden($element, $edit, $form_state, $complete_form) {
  if (!empty($element['#value']) && in_array($element['#value'], array('panels_edit_display_form', 'panels_panel_context_edit_content'))) {
    $fake_element = array('#id' => 'edit-body');
    ckeditor_process_textarea($fake_element);
  }
  return $element;
}

function ckeditor_process_form(&$form) {
  global $_ckeditor_configuration, $_ckeditor_ids;
  static $processed_textareas = array();
  static $found_textareas = array();

  //Skip if:
  // - we're not editing an element
  // - ckeditor is not enabled (configuration is empty)
  if (arg(1) == "add" || arg(1) == "reply" || !count($_ckeditor_configuration)) {
    return $form;
  }

  $ckeditor_filters = array();

  // Iterate over element children; resetting array keys to access last index.
  if ($children = array_values(element_children($form))) {
    foreach ($children as $index => $item) {
      $element = &$form[$item];

      if (isset($element['#id']) && in_array($element['#id'], $_ckeditor_ids)) {
        $found_textareas[$element['#id']] = &$element;
      }

      // filter_form() always uses the key 'format'. We need a type-agnostic
      // match to prevent FALSE positives. Also, there must have been at least
      // one element on this level.
      if ($item === 'format' && $index > 0) {

        // Make sure we either match a input format selector or input format
        // guidelines (displayed if user has access to one input format only).
        if ((isset($element['#type']) && $element['#type'] == 'fieldset') || isset($element['format']['guidelines'])) {
          // The element before this element is the target form field.
          $field = &$form[$children[$index - 1]];
          $textarea_id = $field['#id'];

          array_push($processed_textareas, $textarea_id);

          //search for checkxss1/2 class
          if (empty($field['#attributes']['class']) || strpos($field['#attributes']['class'], "checkxss") === FALSE) {
            continue;
          }

          // Determine the available input formats. The last child element is a
          // link to "More information about formatting options". When only one
          // input format is displayed, we also have to remove formatting
          // guidelines, stored in the child 'format'.
          $formats = element_children($element);

          foreach ($formats as $format_id) {
            $format = !empty($element[$format_id]['#default_value']) ? $element[$format_id]['#default_value'] : $element[$format_id]['#value'];
            break;
          }

          $enabled = filter_list_format($format);
          $ckeditor_filters = array();

          //loop through all enabled filters
          foreach ($enabled as $id => $filter) {
            //but use only that one selected in CKEditor profile
            if (in_array($id, array_keys($_ckeditor_configuration[$textarea_id]['filters'])) && $_ckeditor_configuration[$textarea_id]['filters'][$id]) {
              if (!isset($ckeditor_filters[$textarea_id])) {
                $ckeditor_filters[$textarea_id] = array();
              }
              $ckeditor_filters[$textarea_id][] = $id ."/". $format;
            }
          }

          //No filters assigned, remove xss class
          if (empty($ckeditor_filters[$textarea_id])) {
            $field['#attributes']['class'] = preg_replace("/checkxss(1|2)/", "", $field['#attributes']['class']);
          }
          else {
            $field['#attributes']['class'] = strtr($field['#attributes']['class'], array("checkxss1" => "filterxss1", "checkxss2" => "filterxss2"));
          }

          array_pop($formats);
          unset($formats['format']);
        }
        // If this element is 'format', do not recurse further.
        continue;
      }
      // Recurse into children.
      ckeditor_process_form($element);
    }
  }

  //We're in a form
  if (isset($form['#action'])) {
    //some textareas associated with CKEditor has not been processed
    if (count($processed_textareas) < count($_ckeditor_ids)) {
      //loop through all found textfields
      foreach (array_keys($found_textareas) as $id) {
        $element = &$found_textareas[$id];
        //if not processed yet (checkxss class is before final processing)
        if (strpos($element['#attributes']['class'], "checkxss") !== FALSE && !in_array($element['#id'], $processed_textareas) && !empty($_ckeditor_configuration[$id]['filters']) && array_sum($_ckeditor_configuration[$id]['filters'])) {
          //assign default Filtered HTML to be safe on fields that do not have input format assigned, but only if at least one security filter is enabled in Security settings
          $ckeditor_filters[$element['#id']][] = "filter/0/1";
          $element['#attributes']['class'] = strtr($element['#attributes']['class'], array("checkxss1" => "filterxss1", "checkxss2" => "filterxss2"));
        }
      }
    }
  }

  if (!empty($ckeditor_filters)) {
    foreach ($ckeditor_filters as $id => $filters) {
      $arr['settings'][$id]['filters'] = $filters;
    }
    drupal_add_js(array('ckeditor' => $arr), 'setting');
  }

  return $form;
}

/**
 * Allow more than 255 chars in Allowed HTML tags textfield
 */
function ckeditor_process_input($element) {
  if ($element['#id']=='edit-allowed-html-1') {
    $element['#maxlength'] = max($element['#maxlength'], 1024);
  }
  return $element;
}

/**
 * Implementation of hook_menu().
 */
function ckeditor_menu() {
  $items = array();

  $items['ckeditor/xss'] = array(
    'title' => 'XSS Filter',
    'description' => 'XSS Filter.',
    'page callback' => 'ckeditor_filter_xss',
    'file' => 'includes/ckeditor.page.inc',
    'access arguments' => array('access ckeditor'),
    'type' => MENU_CALLBACK,
  );

  $items['admin/settings/ckeditor'] = array(
    'title' => 'CKEditor',
    'description' => 'Configure the rich text editor.',
    'page callback' => 'ckeditor_admin_main',
    'file' => 'includes/ckeditor.admin.inc',
    'access arguments' => array('administer ckeditor'),
    'type' => MENU_NORMAL_ITEM,
  );

  $items['admin/settings/ckeditor/add'] = array(
    'title' => 'Add new CKEditor profile',
    'description' => 'Configure the rich text editor.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('ckeditor_admin_profile_form'),
    'file' => 'includes/ckeditor.admin.inc',
    'access arguments' => array('administer ckeditor'),
    'type' => MENU_CALLBACK,
  );

  $items['admin/settings/ckeditor/clone/%ckeditor_profile'] = array(
    'title' => 'Clone CKEditor profile',
    'description' => 'Configure the rich text editor.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('ckeditor_admin_profile_clone_form', 4),
    'file' => 'includes/ckeditor.admin.inc',
    'access arguments' => array('administer ckeditor'),
    'type' => MENU_CALLBACK,
  );

  $items['admin/settings/ckeditor/edit/%ckeditor_profile'] = array(
    'title' => 'Edit CKEditor profile',
    'description' => 'Configure the rich text editor.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('ckeditor_admin_profile_form', 4),
    'file' => 'includes/ckeditor.admin.inc',
    'access arguments' => array('administer ckeditor'),
    'type' => MENU_CALLBACK,
  );

  $items['admin/settings/ckeditor/delete/%ckeditor_profile'] = array(
    'title' => 'Delete CKEditor profile',
    'description' => 'Configure the rich text editor.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('ckeditor_admin_profile_delete_form', 4),
    'file' => 'includes/ckeditor.admin.inc',
    'access arguments' => array('administer ckeditor'),
    'type' => MENU_CALLBACK,
  );

  $items['admin/settings/ckeditor/addg'] = array(
    'title' => 'Add CKEditor Global profile',
    'description' => 'Configure the rich text editor.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('ckeditor_admin_global_profile_form', 'add'),
    'file' => 'includes/ckeditor.admin.inc',
    'access arguments' => array('administer ckeditor'),
    'type' => MENU_CALLBACK,
  );

  $items['admin/settings/ckeditor/editg'] = array(
    'title' => 'Edit CKEditor Global profile',
    'description' => 'Configure the rich text editor.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('ckeditor_admin_global_profile_form', 'edit'),
    'file' => 'includes/ckeditor.admin.inc',
    'access arguments' => array('administer ckeditor'),
    'type' => MENU_CALLBACK,
  );

  return $items;
}

/**
 * Implementation of hook_init().
 */
function ckeditor_init() {
  drupal_add_css(drupal_get_path('module', 'ckeditor') .'/ckeditor.css');
}

/**
 * Implementation of hook_file_download().
 * Support for private downloads.
 * CKEditor does not implement any kind of potection on private files.
 */
function ckeditor_file_download($file) {
  if ($path = file_create_path($file)) {
    $result = db_query("SELECT f.* FROM {files} f WHERE filepath = '%s'", $path);
    if (db_fetch_object($result)) {
        return NULL;
    }

    //No info in DB? Probably a file uploaded with FCKeditor / CKFinder
    $global_profile = ckeditor_profile_load("CKEditor Global Profile");

    //Assume that files inside of ckeditor directory belong to the CKEditor. If private directory is set, let the decision about protection to the user.
    $private_dir = isset($global_profile->settings['private_dir']) ? trim($global_profile->settings['private_dir'], '\/') : '';
    $private_dir = preg_quote($private_dir, '#');
    $private_dir = strtr($private_dir, array('%u' => '(\d+)', '%n' => '([\x80-\xF7 \w@.-]+)')); // regex for %n taken from user_validate_name() in user.module
    $private_dir = trim($private_dir, '\/');

    $regex = '#^'. preg_quote(file_directory_path() .'/', '#') . $private_dir .'#';

    //If path to the file points to the CKEditor private directory, allow downloading
    if (preg_match($regex, $path)) {
      $ctype = ($info = @getimagesize($path)) ? $info['mime'] : (function_exists('mime_content_type') ? mime_content_type($path) : 'application/x-download');
      return array('Content-Type: '. $ctype);
    }
  }
}

/**
 * Load all profiles. Just load one profile if $name is passed in.
 */
function ckeditor_profile_load($name = '', $clear = FALSE) {
  static $profiles = array();

  if (empty($profiles) || $clear === TRUE) {
    $result = db_query("SELECT * FROM {ckeditor_settings}");
    while (($data = db_fetch_object($result))) {
      $data->settings = unserialize($data->settings);
      $data->rids = array();

      $profiles[$data->name] = $data;
    }

    $roles = user_roles();
    $result = db_query("SELECT name, rid FROM {ckeditor_role}");
    while (($data = db_fetch_object($result))) {
      $profiles[$data->name]->rids[$data->rid] = $roles[$data->rid];
    }
  }

  return ($name ? (isset($profiles[urldecode($name)]) ? $profiles[urldecode($name)] : FALSE) : $profiles);
}

/**
 * This function create the HTML objects required for the CKEditor
 *
 * @param $element
 *   A fully populated form elment to add the editor to
 * @return
 *   The same $element with extra CKEditor markup and initialization
 */
function ckeditor_process_textarea($element) {
  static $is_running = FALSE;
  static $num = 1;
  static $processed_ids=array();
  global $user, $theme, $language, $_ckeditor_configuration, $_ckeditor_ids;
  $settings = array();
  $enabled = TRUE;
  $suffix = "";
  $class = "";
  //hack for module developers that want to disable ckeditor on their textareas
  if (key_exists('#wysiwyg', $element) && !$element['#wysiwyg']) {
    return $element;
  }

  if (isset($element['#access']) && !$element['#access']) {
    return $element;
  }

  //skip this one, surely nobody wants WYSIWYG here
  switch ($element['#id']) {
    case 'edit-log':
      return $element;
      break;
  }

  if (isset($element['#attributes']['disabled']) && $element['#attributes']['disabled'] == 'disabled') {
    return $element;
  }

  if (isset($processed_ids[$element['#id']])) {
    //statement for node preview purpose, when second textarea element with the same id is processing to add class which ckeditor behavior must process
    if (empty($element['#attributes']['class'])) {
      $element['#attributes']['class'] = $processed_ids[$element['#id']]['class'];
    }
    else {
      $element['#attributes']['class'] .= " ". $processed_ids[$element['#id']]['class'];
    }
    if (empty($element['#suffix'])) {
      $element['#suffix'] = $processed_ids[$element['#id']]['suffix'];
    }
    else {
      $element['#suffix'] .= $processed_ids[$element['#id']]['suffix'];
    }
    return $element;
  }
  else {
    $processed_ids[$element['#id']] = array();
  }

  module_load_include('inc', 'ckeditor', 'includes/ckeditor.lib');

  $global_profile = ckeditor_profile_load('CKEditor Global Profile');
  if ($global_profile) {
    $global_conf = $global_profile->settings;
    if ($global_conf) {
      $enabled = ckeditor_is_enabled(empty($global_conf['excl_mode']) ? '0' : $global_conf['excl_mode'], empty($global_conf['excl_regex']) ? '' : $global_conf['excl_regex'], $element['#id'], $_GET['q']);
    }
  }

  if ($enabled) {
    $profile = ckeditor_user_get_profile($user, $element['#id']);
    if ($profile) {
      $conf = array();
      $conf = $profile->settings;

      if ($conf['allow_user_conf']=='t') {
        foreach (array('default', 'show_toggle', 'popup', 'skin', 'toolbar', 'expand', 'width', 'lang', 'auto_lang') as $setting) {
          $conf[$setting] = ckeditor_user_get_setting($user, $profile, $setting);
        }
      }
      if ($conf['popup'] == 't' && $conf['show_toggle'] == 't') {
        $conf['show_toggle'] = 'f';
      }
    }
    else {
      $enabled = FALSE;
    }
  }

  //old profile info, assume Filtered HTML is enabled
  if (!isset($conf['ss'])) {
    $conf['ss'] = 2;
    $conf['filters']['filter/0'] = 1;
  }
  if (!isset($conf['filters'])) {
    $conf['filters'] = array();
  }

  $themepath = path_to_theme() .'/';
  $host = base_path();
  if (!isset($element['#rows'])){
    $element['#rows'] = 5;
  }
  // only replace textarea when it has enough rows and it is enabled
  if ($enabled && (($element['#rows'] > $conf['min_rows']) || ($conf['min_rows'] <= 1 && empty($element['#rows'])))) {
    $textarea_id = $element['#id'];
    $class = 'ckeditor-mod';
    $_ckeditor_ids[] = $textarea_id;
    $ckeditor_on = ($conf['default']=='t') ? 1 : 0 ;

    $xss_check = 0;
    //it's not a problem when adding new content/comment
    if (arg(1) != "add" && arg(1) != "reply") {
      $_ckeditor_configuration[$element['#id']] = $conf;

      //let ckeditor know when perform XSS checks auto/manual
      if ($conf['ss'] == 1) {
        $xss_class = 'checkxss1';
      }
      else {
        $xss_class = 'checkxss2';
      }

      $class .= ' '. $xss_class;
      $xss_check = 1;
    }

    //settings are saved as strings, not booleans
    if ($conf['show_toggle'] == 't') {
      $content = '';
      if (isset($element['#post']['teaser_js'])) {
        $content .= $element['#post']['teaser_js'] .'<!--break-->';
      }
      if (isset($element['#value'])) {
        $content .= $element['#value'];
      }
      $wysiwyg_link = '';
      $wysiwyg_link .= "<a class=\"ckeditor_links\" style=\"display:none\" href=\"javascript:Drupal.ckeditorToggle('{$textarea_id}','". str_replace("'", "\\'", t('Switch to plain text editor')) ."','". str_replace("'", "\\'", t('Switch to rich text editor')) ."',". $xss_check .");\" id=\"switch_{$textarea_id}\">";
      $wysiwyg_link .= $ckeditor_on ? t('Switch to plain text editor') : t('Switch to rich text editor');
      $wysiwyg_link .= '</a>';

      // Make sure to append to #suffix so it isn't completely overwritten
      $suffix .= $wysiwyg_link;
    }
    // setting some variables
    $module_drupal_path = drupal_get_path('module', 'ckeditor');
    $module_full_path   = $host . $module_drupal_path;
    $editor_path        = ckeditor_path(FALSE);
    $editor_local_path  = ckeditor_path(TRUE);
    // get the default drupal files path
    $files_path         = $host . file_directory_path();

    // sensible default for small toolbars
    if (isset($element['#rows'])) {
      $height = intval($element['#rows']) * 14 + 140;
    } else {
      $height = 400;
    }
    if (!$is_running) {
      drupal_add_js($module_drupal_path .'/includes/ckeditor.utils.js', 'module', variable_get('preprocess_js', FALSE) ? 'header' : 'footer');
      /* In D6 drupal_add_js() can't add external JS, in D7 use drupal_add_js(...,'external') */
      if ( $conf['popup'] != 't' ) {
        if (isset($conf['ckeditor_load_method'])) {
          drupal_set_html_head('<script type="text/javascript" src="'. $editor_path . '/' . $conf['ckeditor_load_method'] . '?I"></script>');
          if ($conf['ckeditor_load_method'] == 'ckeditor_basic.js') {
            drupal_set_html_head('<script type="text/javascript">CKEDITOR.loadFullCoreTimeout = ' . $conf['ckeditor_load_time_out'] . ';</script>');
            drupal_add_js(array('ckeditor' => array('load_timeout' => TRUE)), 'setting');
          }
        }
        else {
          drupal_set_html_head('<script type="text/javascript" src="'. $editor_path .'/ckeditor.js?I"></script>');
        }
      }
      else {
        drupal_set_html_head('<script type="text/javascript" src="'. $editor_path .'/ckeditor_basic.js?I"></script>');
      }
      drupal_add_js(array('ckeditor' => array('module_path' => $module_full_path)), 'setting');
      if ($conf['popup'] == 't') {
        drupal_add_js(array('ckeditor' => array('editor_path' => $editor_path)), 'setting');
      }
      if (module_exists('paging')) {
        drupal_add_js(array('ckeditor' => array('pagebreak' => TRUE)), 'setting');
      }
      if (module_exists('linktocontent_node')) {
        drupal_add_js(array('ckeditor' => array('linktocontent_node' => TRUE)), 'setting');
      }
      if (module_exists('linktocontent_menu')) {
        drupal_add_js(array('ckeditor' => array('linktocontent_menu' => TRUE)), 'setting');
      }
      if (module_exists('pagebreak')) {
        drupal_add_js(array('ckeditor' => array('pagebreak' => TRUE)), 'setting');
      }
      if (function_exists('linktocontent_node_menu')) {
        if (!empty($global_conf['linktoc']) && $global_conf['linktoc']!='p') {
          drupal_add_js(array('ckeditor' => array('linktocontent_node_path_filter' => TRUE)), 'setting');
          if ($global_conf['linktoc'] == 'pn') {
            drupal_add_js(array('ckeditor' => array('linktocontent_node_select_type' => TRUE)), 'setting');
          }
        }
      }
      $is_running = TRUE;
    }

    $toolbar = $conf['toolbar'];
    //$height += 100; // for larger toolbars

    $force_simple_toolbar = ckeditor_is_enabled('1', empty($conf['simple_incl_regex']) ? '' : $conf['simple_incl_regex'], $element['#id'], $_GET['q']);
    if (!$force_simple_toolbar) {
      $force_simple_toolbar = ckeditor_is_enabled('1', empty($global_conf['simple_incl_regex']) ? '' : $global_conf['simple_incl_regex'], $element['#id'], $_GET['q']);
    }
    if ($force_simple_toolbar) {
      $toolbar = CKEDITOR_FORCE_SIMPLE_TOOLBAR_NAME;
    }

    if (!empty($conf['theme_config_js']) && $conf['theme_config_js'] == 't' && file_exists($themepath .'ckeditor.config.js')) {
      $ckeditor_config_path = $host . $themepath .'ckeditor.config.js?'. @filemtime($themepath .'ckeditor.config.js');
    }
    else {
      $ckeditor_config_path = $module_full_path ."/ckeditor.config.js?". @filemtime($module_drupal_path ."/ckeditor.config.js");
    }

    $settings[$textarea_id]['customConfig'] = $ckeditor_config_path;
    $settings[$textarea_id]['defaultLanguage'] = $conf['lang'];
    $settings[$textarea_id]['toolbar'] = $toolbar;
    $settings[$textarea_id]['enterMode'] = constant("CKEDITOR_ENTERMODE_" . strtoupper($conf['enter_mode']));
    $settings[$textarea_id]['shiftEnterMode'] = constant("CKEDITOR_ENTERMODE_" . strtoupper($conf['shift_enter_mode']));
    $settings[$textarea_id]['toolbarStartupExpanded'] = ( $conf['expand']=='t' );
    $settings[$textarea_id]['customConfig'] = $ckeditor_config_path;
    $settings[$textarea_id]['width'] = $conf['width'];
    $settings[$textarea_id]['height'] = $height;
    $settings[$textarea_id]['skin'] = $conf['skin'];
    $settings[$textarea_id]['format_tags'] = $conf['font_format'];
    if (isset($conf['language_direction'])) {
      switch ($conf['language_direction']) {
        case 'default':
          if (defined('LANGUAGE_RTL') && $language->direction == LANGUAGE_RTL) {
            $settings[$textarea_id]['contentsLangDirection'] = 'rtl';
          }
          break;
        case 'ltr':
          $settings[$textarea_id]['contentsLangDirection'] = 'ltr';
          break;
        case 'rtl':
          $settings[$textarea_id]['contentsLangDirection'] = 'rtl';
          break;
      }
    }
    if (isset($conf['scayt_autoStartup']) && $conf['scayt_autoStartup'] == 't') {
      $settings[$textarea_id]['scayt_autoStartup'] = TRUE;
    } else {
      $settings[$textarea_id]['scayt_autoStartup'] = FALSE;
    }
    if ($conf['auto_lang']=="f") {
      $settings[$textarea_id]['language'] = $conf['lang'];
    }
    if (isset($conf['forcePasteAsPlainText']) && $conf['forcePasteAsPlainText'] == 't') {
      $settings[$textarea_id]['forcePasteAsPlainText'] = TRUE;
    }
    if (isset($conf['custom_formatting']) && $conf['custom_formatting'] == 't') {
      foreach ($conf['formatting']['custom_formatting_options'] as $k => $v) {
        if ($v === 0) {
          $conf['formatting']['custom_formatting_options'][$k] = FALSE;
        } else {
          $conf['formatting']['custom_formatting_options'][$k] = TRUE;
        }
      }
      $settings[$textarea_id]['output_pre_indent'] = $conf['formatting']['custom_formatting_options']['pre_indent'];
      unset($conf['formatting']['custom_formatting_options']['pre_indent']);
      $settings[$textarea_id]['custom_formatting'] = $conf['formatting']['custom_formatting_options'];
    }
    // add code for filebrowser for users that have access
    $filebrowser = !empty($conf['filebrowser']) ? $conf['filebrowser'] : 'none';
    $filebrowser_image = !empty($conf['filebrowser_image']) ? $conf['filebrowser_image'] : $filebrowser;
    $filebrowser_flash = !empty($conf['filebrowser_flash']) ? $conf['filebrowser_flash'] : $filebrowser;

    if ($filebrowser == 'imce' && !module_exists('imce')) {
      $filebrowser = 'none';
    }

    if ($filebrowser == 'tinybrowser' && !module_exists('tinybrowser')) {
      $filebrowser = 'none';
    }

    if ($filebrowser == 'ib' && !module_exists('imagebrowser')) {
      $filebrowser = 'none';
    }
    if ($filebrowser == 'webfm' && !module_exists('webfm_popup')) {
      $filebrowser = 'none';
    }

    if ($filebrowser_image != $filebrowser) {
      if ($filebrowser_image == 'imce' && !module_exists('imce')) {
        $filebrowser_image = $filebrowser;
      }
      if ($filebrowser_image == 'tinybrowser' && !module_exists('tinybrowser')) {
        $filebrowser_image = $filebrowser;
      }
      if ($filebrowser_image == 'ib' && !module_exists('imagebrowser')) {
        $filebrowser_image = $filebrowser;
      }
      if ($filebrowser_image == 'webfm' && !module_exists('webfm_popup')) {
        $filebrowser_image = $filebrowser;
      }
    }

    if ($filebrowser_flash != $filebrowser) {
      if ($filebrowser_flash == 'imce' && !module_exists('imce')) {
        $filebrowser_flash = $filebrowser;
      }
      if ($filebrowser_image == 'tinybrowser' && !module_exists('tinybrowser')) {
        $filebrowser_flash = $filebrowser;
      }
      if ($filebrowser_flash == 'ib' && !module_exists('imagebrowser')) {
        $filebrowser_flash = $filebrowser;
      }
      if ($filebrowser_flash == 'webfm' && !module_exists('webfm_popup')) {
        $filebrowser_flash = $filebrowser;
      }
    }

    if ($filebrowser == 'ckfinder' || $filebrowser_image == 'ckfinder' || $filebrowser_flash == 'ckfinder') {
      if (user_access('allow CKFinder file uploads')) {
        if (!empty($profile->settings['UserFilesPath'])) {
          $_SESSION['ckeditor']['UserFilesPath'] = strtr($profile->settings['UserFilesPath'], array("%f" => file_directory_path(), "%u" => $user->uid, "%b" => $host, "%n" => $user->name));
        }
        if (!empty($profile->settings['UserFilesAbsolutePath'])) {
          $_SESSION['ckeditor']['UserFilesAbsolutePath'] = strtr($profile->settings['UserFilesAbsolutePath'], array("%f" => file_directory_path(), "%u" => $user->uid, "%b" => base_path(), "%d" => $_SERVER['DOCUMENT_ROOT'], "%n" => $user->name));
        }
        if (variable_get('file_downloads', '') == FILE_DOWNLOADS_PRIVATE) {
          $private_dir = isset($global_profile->settings['private_dir']) ? trim($global_profile->settings['private_dir'], '\/') : '';
          if (!empty($private_dir)) {
            $private_dir = strtr($private_dir, array('%u' => $user->uid, '%n' => $user->name));
            $_SESSION['ckeditor']['UserFilesPath'] = url('system/files') .'/'. $private_dir .'/';
            $_SESSION['ckeditor']['UserFilesAbsolutePath'] = realpath(file_directory_path()) . DIRECTORY_SEPARATOR . $private_dir . DIRECTORY_SEPARATOR;
          }
          else {
            $_SESSION['ckeditor']['UserFilesPath'] = url('system/files') .'/';
            $_SESSION['ckeditor']['UserFilesAbsolutePath'] = realpath(file_directory_path()) . DIRECTORY_SEPARATOR;
          }
        }
      }
    }

    if (in_array('tinybrowser', array($filebrowser, $filebrowser_image, $filebrowser_flash))) {
      $popup_win_size = variable_get('tinybrowser_popup_window_size', '770x480');
      if (!preg_match('#\d+x\d+#is', $popup_win_size)) {
        $popup_win_size = '770x480';
      }
      $popup_win_size = trim($popup_win_size);
      $popup_win_size = strtolower($popup_win_size);
      $win_size = split('x', $popup_win_size);
    }

    switch ($filebrowser) {
      case 'ckfinder':
        if (user_access('allow CKFinder file uploads')) {
          $settings[$textarea_id]['filebrowserBrowseUrl'] = $module_full_path .'/ckfinder/ckfinder.html';
          $settings[$textarea_id]['filebrowserImageBrowseUrl'] = $module_full_path .'/ckfinder/ckfinder.html?Type=Images';
          $settings[$textarea_id]['filebrowserFlashBrowseUrl'] = $module_full_path .'/ckfinder/ckfinder.html?Type=Flash';
          $settings[$textarea_id]['filebrowserUploadUrl'] = $module_full_path .'/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Files';
          $settings[$textarea_id]['filebrowserImageUploadUrl'] = $module_full_path .'/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Images';
          $settings[$textarea_id]['filebrowserFlashUploadUrl'] = $module_full_path .'/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Flash';
        }
        break;
      case 'imce':
        $settings[$textarea_id]['filebrowserBrowseUrl'] = $host ."index.php?q=imce&app=ckeditor|sendto@ckeditor_fileUrl|";
        break;
      case 'webfm':
        if (user_access('access webfm')) {
          $settings[$textarea_id]['filebrowserBrowseUrl'] = $host ."index.php?q=webfm_popup";
        }
        break;
      case 'ib':
        if (user_access('browse own images')) {
          $settings[$textarea_id]['filebrowserBrowseUrl'] = $host ."index.php?q=imagebrowser/view/browser&app=ckeditor";
          $settings[$textarea_id]['filebrowserWindowWidth'] = 700;
          $settings[$textarea_id]['filebrowserWindowHeight'] = 520;
        }
        break;
      case 'tinybrowser':
        $settings[$textarea_id]['filebrowserBrowseUrl'] = $host . drupal_get_path('module','tinybrowser') . "/tinybrowser/tinybrowser.php?type=file";
        $settings[$textarea_id]['filebrowserWindowWidth'] = (int)$win_size[0] + 15;
        $settings[$textarea_id]['filebrowserWindowHeight'] = (int)$win_size[1] + 15;
        break;
    }

    if ($filebrowser_image != $filebrowser) {
      switch ($filebrowser_image) {
        case 'ckfinder':
          if (user_access('allow CKFinder file uploads')) {
            $settings[$textarea_id]['filebrowserImageBrowseUrl'] = $module_full_path .'/ckfinder/ckfinder.html?Type=Images';
            $settings[$textarea_id]['filebrowserImageUploadUrl'] = $module_full_path .'/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Images';
          }
          break;
        case 'imce':
          $settings[$textarea_id]['filebrowserImageBrowseUrl'] = $host ."index.php?q=imce&app=ckeditor|sendto@ckeditor_fileUrl|";
          break;
        case 'webfm':
          if (user_access('access webfm')) {
            $settings[$textarea_id]['filebrowserImageBrowseUrl'] = $host ."index.php?q=webfm_popup";
          }
          break;
        case 'ib':
          if (user_access('browse own images')) {
            $settings[$textarea_id]['filebrowserImageBrowseUrl'] = $host ."index.php?q=imagebrowser/view/browser&app=ckeditor";
            $settings[$textarea_id]['filebrowserImageWindowWidth'] = 680;
            $settings[$textarea_id]['filebrowserImageWindowHeight'] = 439;
          }
          break;
        case 'tinybrowser':
          $settings[$textarea_id]['filebrowserImageBrowseUrl'] = $host . drupal_get_path('module','tinybrowser') . "/tinybrowser/tinybrowser.php?type=image";
          $settings[$textarea_id]['filebrowserImageWindowWidth'] = (int)$win_size[0] + 15;
          $settings[$textarea_id]['filebrowserImageWindowHeight'] = (int)$win_size[1] + 15;
          break;
      }
    }

    if ($filebrowser_flash != $filebrowser) {
      switch ($filebrowser_flash) {
        case 'ckfinder':
          if (user_access('allow CKFinder file uploads')) {
            $settings[$textarea_id]['filebrowserFlashBrowseUrl'] = $module_full_path .'/ckfinder/ckfinder.html?Type=Images';
            $settings[$textarea_id]['filebrowserFlashUploadUrl'] = $module_full_path .'/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Images';
          }
          break;
        case 'imce':
          $settings[$textarea_id]['filebrowserFlashBrowseUrl'] = $host ."index.php?q=imce&app=ckeditor|sendto@ckeditor_fileUrl|";
          break;
        case 'webfm':
          if (user_access('access webfm')) {
            $settings[$textarea_id]['filebrowserFlashBrowseUrl'] = $host ."index.php?q=webfm_popup";
          }
          break;
        case 'ib':
          if (user_access('browse own images')) {
            $settings[$textarea_id]['filebrowserFlashBrowseUrl'] = $host ."index.php?q=imagebrowser/view/browser&app=ckeditor";
            $settings[$textarea_id]['filebrowserFlashWindowWidth'] = 680;
            $settings[$textarea_id]['filebrowserFlashWindowHeight'] = 439;
          }
          break;
        case 'tinybrowser':
          $settings[$textarea_id]['filebrowserFlashBrowseUrl'] = $host . drupal_get_path('module','tinybrowser') . "/tinybrowser/tinybrowser.php?type=media";
          $settings[$textarea_id]['filebrowserFlashWindowWidth'] = (int)$win_size[0] + 15;
          $settings[$textarea_id]['filebrowserFlashWindowHeight'] = (int)$win_size[1] + 15;
          break;
      }
    }

    if (!empty($conf['js_conf'])) {
      $lines = preg_split("/[\n\r]+/", $conf['js_conf']);
      foreach ($lines as $l) {
        //parsing lines with custom configuration
        preg_match_all('#(config\.)?(\w+)[ ]*=(.+)[;]?#is', $l, $matches);
        if (!empty($matches[0])) {
          $value=trim($matches[3][0], " ;'\"\n\r\t\0\x0B");
          if ( strcasecmp($value, 'true') == 0 ) {
            $value=TRUE;
          }
          if ( strcasecmp($value, 'false') == 0 ) {
            $value=FALSE;
          }
          $settings[$textarea_id][$matches[2][0]]=$value;
        }
      }
    }

    $settings[$textarea_id]['stylesCombo_stylesSet'] = "drupal:" . $module_full_path . '/ckeditor.styles.js';
    if (!empty($conf['css_style'])) {
      if ($conf['css_style'] == 'theme' && file_exists($themepath . 'ckeditor.styles.js')) {
        $settings[$textarea_id]['stylesCombo_stylesSet'] = "drupal:" . $host . $themepath . 'ckeditor.styles.js';
      }
      elseif (!empty($conf['css_style']) && $conf['css_style'] == 'self') {
        $conf['styles_path'] = str_replace("%h%t", "%t", $conf['styles_path']);
        $settings[$textarea_id]['stylesCombo_stylesSet'] = "drupal:" . str_replace(array('%h', '%t', '%m'), array($host, $host . $themepath, $module_drupal_path), $conf['styles_path']);
      }
    }
    // add custom stylesheet if configured
    // lets hope it exists but we'll leave that to the site admin
    $query_string = '?'. substr(variable_get('css_js_query_string', '0'), 0, 1);
    $css_files = array();
    switch ($conf['css_mode']) {
      case 'theme':
        global $language, $theme_info, $base_theme_info;

        if (!empty($theme_info->stylesheets)) {
          $editorcss = "\"";
          foreach ($base_theme_info as $base) { // Grab stylesheets from base theme
            if (!empty($base->stylesheets)) { // may be empty when the base theme reference in the info file is invalid
              foreach ($base->stylesheets as $type => $stylesheets) {
                if ($type != "print") {
                  foreach ($stylesheets as $name => $path) {
                    if (file_exists($path)) {
                      $css_files[$name] = $host . $path . $query_string;
                      // Grab rtl stylesheets ( will get rtl css files when thay are named with suffix "-rtl.css" (ex: fusion baased themes) )
                      if (defined('LANGUAGE_RTL') && $language->direction == LANGUAGE_RTL && substr($path,0,-8) != "-rtl.css") {
                        $rtl_path = substr($path,0,-4)."-rtl.css";
                        if (file_exists($rtl_path)) {
                          $css_files[$name."-rtl"] = $host . $rtl_path . $query_string;
                        }
                      }
                    }
                  }
                }
              }
            }
          }
          if (!empty($theme_info->stylesheets)) { // Grab stylesheets from current theme
            foreach ($theme_info->stylesheets as $type => $stylesheets) {
              if ($type != "print") {
                foreach ($stylesheets as $name => $path) {
                  if (file_exists($path)) {
                    $css_files[$name] = $host . $path . $query_string;
                    // Grab rtl stylesheets ( will get rtl css files when thay are named with suffix "-rtl.css" (ex: fusion baased themes) )
                    if (defined('LANGUAGE_RTL') && $language->direction == LANGUAGE_RTL && substr($path,0,-8) != "-rtl.css") {
                      $rtl_path = substr($path,0,-4)."-rtl.css";
                      if (file_exists($rtl_path)) {
                        $css_files[$name."-rtl"] = $host . $rtl_path . $query_string;
                      }
                    }
                  }
                  elseif (!empty($css_files[$name])) {
                    unset($css_files[$name]);
                  }
                }
              }
            }
          }
          // Grab stylesheets local.css and local-rtl.css if they exist (fusion based themes)
          if (file_exists($themepath . 'css/local.css')) {
            $css_files[] = $host . $themepath . 'css/local.css' . $query_string;
          }
          if (defined('LANGUAGE_RTL') && $language->direction == LANGUAGE_RTL && file_exists($themepath . 'css/local-rtl.css')) {
            $css_files[] = $host . $themepath . 'css/local-rtl.css' . $query_string;
          }

          // Grab stylesheets from color module
          $color_paths = variable_get('color_'. $theme .'_stylesheets', array());
          if (defined('LANGUAGE_RTL') && $language->direction == LANGUAGE_RTL) {
            if (!empty($color_paths[1])) {
              $css_files[] = $host . $color_paths[1] . $query_string;
            }
          }
          elseif (!empty($color_paths[0])) {
            $css_files[] = $host . $color_paths[0] . $query_string;
          }
        }
        else {
          if (file_exists($themepath .'style.css')) {
            $css_files[] = $host . $themepath .'style.css' . $query_string;
          }
        }
        $css_files[] = $module_full_path ."/ckeditor.css" . $query_string;
        break;

      case 'self':
        if (file_exists($module_drupal_path .'/ckeditor.css')) {
          $css_files[] = $module_full_path .'/ckeditor.css' . $query_string;
        }
        foreach (explode(',', $conf['css_path']) as $css_path) {
          $css_path = trim(str_replace("%h%t", "%t", $css_path));
          $css_files[] = str_replace(array('%h', '%t'), array($host, $host . $themepath), $css_path) . $query_string;
        }
        break;

      case 'none':
        if (file_exists($module_drupal_path .'/ckeditor.css')) {
          $css_files[] = $module_full_path .'/ckeditor.css' . $query_string;
        }
        $css_files[] = $editor_path .'/contents.css' . $query_string;
        break;
    }
    if ($conf['ckeditor_load_method'] == 'ckeditor_source.js') {
      foreach ($css_files as $k => $v) {
        $css_files[$k] = $v . '&t=' . time();
      }
    }
    $settings[$textarea_id]['contentsCss'] = array_values($css_files);

    if ($ckeditor_on) {
      $autostart[$textarea_id] = TRUE;
    }

    if (!empty($conf['uicolor']) && $conf['uicolor']=="custom" && !empty($conf['uicolor_user'])) {
      $settings[$textarea_id]['uiColor'] = $conf['uicolor_user'];
    }
    if (!empty($conf['uicolor']) && strpos($conf['uicolor'], "color_") === 0) {
      if (function_exists('color_get_palette')) {
        $palette = @color_get_palette($theme, FALSE); //[#652274]
        $color = str_replace("color_", "", $conf['uicolor']);
        if (!empty($palette[$color])) {
          $settings[$textarea_id]['uiColor'] = $palette[$color];
        }
      }
    }

    drupal_add_js(array('ckeditor' => array( 'theme' => $theme )), 'setting');
    if (!empty($settings)) {
      drupal_add_js(array('ckeditor' => array('settings' => $settings)), 'setting');
    }
    if (!empty($autostart)) {
      drupal_add_js(array('ckeditor' => array('autostart' => $autostart)), 'setting');
    }

    if ($conf['popup'] == 't') {
      $suffix .= ' <span style="display:none" class="ckeditor_popuplink ckeditor_links">(<a href="#" onclick="return ckeditorOpenPopup(\''. $textarea_id .'\', \''. $element['#id'] .'\', \''. $conf['width'] .'\');">'. t('Open rich text editor') ."</a>)</span>";
    }
  }

  // display the field id for administrators
  if (user_access('administer ckeditor') && (!isset($global_conf['show_fieldnamehint']) || $global_conf['show_fieldnamehint'] == 't')) {
    module_load_include('inc', 'ckeditor', 'includes/ckeditor.admin');
    $suffix .= '<div class="textarea-identifier description">'. t('CKEditor: the ID for <a href="!excluding">excluding or including</a> this element is %fieldname.', array('!excluding' => url('admin/settings/ckeditor'), '%fieldname' => ckeditor_rule_to_string(ckeditor_rule_create(ckeditor_get_nodetype($_GET['q']), $_GET['q'], $element['#id'])))) .'</div>';
  }

  // Remember extra information and reuse it during "Preview"
  $processed_ids[$element['#id']]['suffix'] = $suffix;
  $processed_ids[$element['#id']]['class'] = $class;

  if (empty($element['#suffix'])) {
    $element['#suffix'] = $suffix;
  }
  else {
    $element['#suffix'] .= $suffix;
  }

  if (empty($element['#attributes']['class'])) {
    $element['#attributes']['class'] = $class;
  }
  else {
    $element['#attributes']['class'] .= ' '. $class;
  }
  //hack with patch jquery-ui dialog

  return $element;
}

/**
 * Read CKEditor path from Global profile
 *
 * @return
 *   path to CKEditor folder
 */
function ckeditor_path($local = FALSE, $refresh = FALSE) {
  static $cke_path;
  static $cke_local_path;

  if ($refresh || (!$cke_path)) {
    $mod_path = drupal_get_path('module', 'ckeditor');
    $global_profile = ckeditor_profile_load('CKEditor Global Profile', $refresh);

    //default: path to ckeditor subdirectory in the ckeditor module directory (starting from the document root)
    //e.g. for http://example.com/drupal it will be /drupal/sites/all/modules/ckeditor/ckeditor
    $cke_path = base_path() . $mod_path .'/ckeditor';

    //default: path to ckeditor subdirectory in the ckeditor module directory (relative to index.php)
    //e.g.: sites/all/modules/ckeditor/ckeditor
    $cke_local_path = $mod_path .'/ckeditor';

    if ($global_profile) {
      $gs = $global_profile->settings;

      if (isset($gs['ckeditor_path'])) {
        $tmp_path = $gs['ckeditor_path'];
        $tmp_path = strtr($tmp_path, array("%b" => base_path(), "%m" => base_path() . $mod_path));
        $tmp_path   = str_replace('\\', '/', $tmp_path);
        $tmp_path   = str_replace('//', '/', $tmp_path);
        $tmp_path = rtrim($tmp_path, ' \/');
        if (substr($tmp_path, 0, 1) != '/') {
          $tmp_path = '/'. $tmp_path; //starts with '/'
        }
        $cke_path = $tmp_path;

        if (empty($gs['ckeditor_local_path'])) {
          //fortunately wildcards are used, we can easily get the right server path
          if (FALSE !== strpos($gs['ckeditor_path'], "%m")) {
            $gs['ckeditor_local_path'] = strtr($gs['ckeditor_path'], array("%m" => $mod_path));
          }
          if (FALSE !== strpos($gs['ckeditor_path'], "%b")) {
            $gs['ckeditor_local_path'] = strtr($gs['ckeditor_path'], array("%b" => "."));
          }
        }
      }

      //ckeditor_path is defined, but wildcards are not used, we need to try to find out where is
      //the document root located and append ckeditor_path to it.
      if (!empty($gs['ckeditor_local_path'])) {
        $cke_local_path = $gs['ckeditor_local_path'];
      }
      elseif (!empty($gs['ckeditor_path'])) {
        module_load_include('inc', 'ckeditor', 'includes/ckeditor.lib');
        $local_path = ckeditor_resolve_url( $gs['ckeditor_path'] ."/" );
        if (FALSE !== $local_path) {
          $cke_local_path = $local_path;
        }
      }
    }
  }
  if ($local) {
    return $cke_local_path;
  }
  else {
    return $cke_path;
  }
}

function ckeditor_get_nodetype($get_q) {
  static $nodetype;

  if (!isset($nodetype)) {
    $menuitem = menu_get_item();
    $nodetype = '*';
    if (!empty($menuitem['page_arguments']) && is_array($menuitem['page_arguments'])) {
      foreach ($menuitem['page_arguments'] as $item) {
        if (!empty($item->nid) && !empty($item->type)) {
          // not 100% valid check if $item is a node
          $nodetype = $item->type;
          break;
        }
      }
    }

    if ($nodetype == '*') {
      $get_q = explode("/", $get_q, 3);
      if ($get_q[0] == "node" && !empty($get_q[1]) && $get_q[1] == "add" && !empty($get_q[2])) {
        $nodetype = $get_q[2];
      }
    }
  }

  return $nodetype;
}