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   1  <?php
   2  // $Id: fckeditor.lib.inc,v 1.1.2.7 2010/03/10 07:43:32 jorrit Exp $
   3  /**
   4   * FCKeditor - The text editor for Internet - http://www.fckeditor.net
   5   * Copyright (C) 2003-2008 Frederico Caldeira Knabben
   6   *
   7   * == BEGIN LICENSE ==
   8   *
   9   * Licensed under the terms of any of the following licenses at your
  10   * choice:
  11   *
  12   *  - GNU General Public License Version 2 or later (the "GPL")
  13   *    http://www.gnu.org/licenses/gpl.html
  14   *
  15   *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
  16   *    http://www.gnu.org/licenses/lgpl.html
  17   *
  18   *  - Mozilla Public License Version 1.1 or later (the "MPL")
  19   *    http://www.mozilla.org/MPL/MPL-1.1.html
  20   *
  21   * == END LICENSE ==
  22   *
  23   * @file
  24   * FCKeditor Module for Drupal 6.x
  25   *
  26   * This module allows Drupal to replace textarea fields with FCKeditor.
  27   *
  28   * This HTML text editor brings to the web many of the powerful functionalities
  29   * of known desktop editors like Word. It's really  lightweight and doesn't
  30   * require any kind of installation on the client computer.
  31   */
  32  
  33  /**
  34   * Guess the absolute server path to the document root
  35   * Usually it should return $_SERVER['DOCUMENT_ROOT']
  36   *
  37   * @todo Improve me!!
  38   * Returns absolute path or false on failure
  39   *
  40   * @return string|boolean
  41   */
  42  function fckeditor_get_document_root_full_path() {
  43    $found=0;
  44    $index_dir  = realpath(dirname($_SERVER['SCRIPT_FILENAME'])); // {/dir1/dir2/home/drupal}/index.php
  45    if (getcwd() == $index_dir) {
  46      $found++;
  47    }
  48    $drupal_dir = base_path();
  49    $index_dir  = str_replace('\\', "/", $index_dir);
  50    $drupal_dir = str_replace('\\', "/", $drupal_dir);
  51    $document_root_dir   = $index_dir .'/'. str_repeat('../', substr_count($drupal_dir, '/')-1);
  52    $document_root_dir   = realpath($document_root_dir);
  53    $document_root_dir   = rtrim($document_root_dir, '/\\');
  54    if ($document_root_dir == $_SERVER['DOCUMENT_ROOT']) {
  55      $found++;
  56    }
  57    $document_root_dir   = str_replace('\\', '/', $document_root_dir);
  58  
  59    if ($document_root_dir != '') {
  60      $found++;
  61    }
  62    if (file_exists($document_root_dir)) {
  63      $found++;
  64    }
  65    if (file_exists($document_root_dir . base_path() .'includes/bootstrap.inc')) {
  66      $found++;
  67    }
  68  
  69    if ($found >= 3) {
  70      return $document_root_dir;
  71    }
  72    else{
  73      return FALSE;
  74    }
  75  }
  76  
  77  /**
  78   * Emulates the asp Server.mapPath function.
  79   * Given an url path return the physical directory that it corresponds to.
  80   *
  81   * Returns absolute path or false on failure
  82   *
  83   * @param string $path
  84   * @return @return string|boolean
  85   */
  86  function fckeditor_resolve_url($path) {
  87    if (function_exists('apache_lookup_uri')) {
  88      $info = @apache_lookup_uri($path);
  89      if (!$info) {
  90        return FALSE;
  91      }
  92      return $info->filename . $info->path_info ;
  93    }
  94  
  95    $document_root = fckeditor_get_document_root_full_path();
  96    if ($document_root !== FALSE) {
  97      return $document_root . $path;
  98    }
  99  
 100    return FALSE;
 101  }
 102  
 103  function fckeditor_load_toolbar_options() {
 104    $arr = array();
 105    $module_drupal_path = drupal_get_path('module', 'fckeditor');
 106    $editor_local_path  = fckeditor_path(TRUE);
 107    $fckconfig_js = $editor_local_path .'/fckconfig.js';
 108    $fckeditor_config_js = $module_drupal_path .'/fckeditor.config.js';
 109    if (file_exists($fckconfig_js) && is_readable($fckconfig_js)) {
 110      $fp = @fopen($fckconfig_js, "r");
 111      if ($fp) {
 112        while (!feof($fp)) {
 113          $line = fgets($fp, 1024);
 114          $matches = array();
 115          if (preg_match('/FCKConfig\.ToolbarSets\[("|\')(.*?)\\1\]/i', $line, $matches)) {
 116            $arr[$matches[2]] = drupal_ucfirst($matches[2]);
 117          }
 118        }
 119        fclose($fp);
 120      }
 121    }
 122    if (file_exists($fckeditor_config_js) && is_readable($fckeditor_config_js)) {
 123      $fp = @fopen($fckeditor_config_js, "r");
 124      if ($fp) {
 125        while (!feof($fp)) {
 126          $line = fgets($fp, 1024);
 127          $matches = array();
 128          if (preg_match('/FCKConfig\.ToolbarSets\[("|\')(.*?)\\1\]/i', $line, $matches)) {
 129            $arr[$matches[2]] = drupal_ucfirst($matches[2]);
 130          }
 131        }
 132        fclose($fp);
 133      }
 134    }
 135  
 136    //oops, we have no information about toolbars, let's use hardcoded array
 137    if (empty($arr)) {
 138      $arr = array(
 139        'Basic' => 'Basic',
 140        'Default' => 'Default',
 141      );
 142    }
 143    asort($arr);
 144  
 145    return $arr;
 146  }
 147  
 148  function fckeditor_load_skin_options() {
 149    $arr = array();
 150    $editor_local_path  = fckeditor_path(TRUE);
 151    $skin_dir     = $editor_local_path .'/editor/skins';
 152    if (is_dir($skin_dir)) {
 153      $dh = @opendir($skin_dir);
 154      if (FALSE !== $dh) {
 155        while (($file = readdir($dh)) !== FALSE ) {
 156          if (in_array($file, array(".", "..", "CVS", ".svn"))) {
 157            continue;
 158          }
 159          if (is_dir($skin_dir . DIRECTORY_SEPARATOR . $file)) {
 160            $arr[$file] = drupal_ucfirst($file);
 161          }
 162        }
 163        closedir( $dh );
 164      }
 165    }
 166  
 167    //oops, we have no information about skins, let's use only default
 168    if (empty($arr)) {
 169      $arr = array(
 170        'default' => 'Default',
 171      );
 172    }
 173    asort($arr);
 174  
 175    return $arr;
 176  }
 177  
 178  function fckeditor_load_lang_options() {
 179    $arr = array();
 180    $editor_local_path  = fckeditor_path(TRUE);
 181    $lang_dir     = $editor_local_path .'/editor/lang';
 182    if (is_dir($lang_dir)) {
 183      $dh = @opendir($lang_dir);
 184      if (FALSE !== $dh ) {
 185        while (($file = readdir($dh)) !== FALSE) {
 186          if (in_array($file, array(".", "..", "CVS", ".svn"))) {
 187            continue;
 188          }
 189          $matches = array();
 190          if (is_file($lang_dir . DIRECTORY_SEPARATOR . $file) && preg_match('/^(.*?)\.js$/', $file, $matches)) {
 191            $lang = $matches[1];
 192            $arr[$lang] = drupal_strtoupper($lang);
 193          }
 194        }
 195        closedir( $dh );
 196      }
 197    }
 198  
 199    //oops, we have no information about languages, let's use those available in FCKeditor 2.4.3
 200    if (empty($arr)) {
 201      $arr = array(
 202        'af' => 'Afrikaans',
 203        'ar' => 'Arabic',
 204        'bg' => 'Bulgarian',
 205        'bn' => 'Bengali/Bangla',
 206        'bs' => 'Bosnian',
 207        'ca' => 'Catalan',
 208        'cs' => 'Czech',
 209        'da' => 'Danish',
 210        'de' => 'German',
 211        'el' => 'Greek',
 212        'en' => 'English',
 213        'en-au' => 'English (Australia)',
 214        'en-ca' => 'English (Canadian)',
 215        'en-uk' => 'English (United Kingdom)',
 216        'eo' => 'Esperanto',
 217        'es' => 'Spanish',
 218        'et' => 'Estonian',
 219        'eu' => 'Basque',
 220        'fa' => 'Persian',
 221        'fi' => 'Finnish',
 222        'fo' => 'Faroese',
 223        'fr' => 'French',
 224        'gl' => 'Galician',
 225        'he' => 'Hebrew',
 226        'hi' => 'Hindi',
 227        'hr' => 'Croatian',
 228        'hu' => 'Hungarian',
 229        'it' => 'Italian',
 230        'ja' => 'Japanese',
 231        'km' => 'Khmer',
 232        'ko' => 'Korean',
 233        'lt' => 'Lithuanian',
 234        'lv' => 'Latvian',
 235        'mn' => 'Mongolian',
 236        'ms' => 'Malay',
 237        'nb' => 'Norwegian Bokmal',
 238        'nl' => 'Dutch',
 239        'no' => 'Norwegian',
 240        'pl' => 'Polish',
 241        'pt' => 'Portuguese (Portugal)',
 242        'pt-br' => 'Portuguese (Brazil)',
 243        'ro' => 'Romanian',
 244        'ru' => 'Russian',
 245        'sk' => 'Slovak',
 246        'sl' => 'Slovenian',
 247        'sr' => 'Serbian (Cyrillic)',
 248        'sr-latn' => 'Serbian (Latin)',
 249        'sv' => 'Swedish',
 250        'th' => 'Thai',
 251        'tr' => 'Turkish',
 252        'uk' => 'Ukrainian',
 253        'vi' => 'Vietnamese',
 254        'zh' => 'Chinese Traditional',
 255        'zh-cn' => 'Chinese Simplified',
 256      );
 257    }
 258  
 259    asort($arr);
 260  
 261    return $arr;
 262  }
 263  
 264  /**
 265   * Determines if the supplied text doesn't contain
 266   * any HTML
 267   *
 268   * @param string $text 
 269   * @return bool
 270   */
 271  function fckeditor_is_plaintext($text) {
 272    if (strpos($text, '<p>') !== FALSE) {
 273      return FALSE;
 274    }
 275  
 276    if (strpos($text, '<div>') !== FALSE) {
 277      return FALSE;
 278    }
 279  
 280    if (strpos($text, '<br') !== FALSE) {
 281      return FALSE;
 282    }
 283  
 284    return TRUE;
 285  }