modules/fckeditor/fckeditor.module

<?php
// $Id: fckeditor.module,v 1.24 2008/02/12 18:58:53 wwalc Exp $
/**
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2007 Frederico Caldeira Knabben
 *
 * == 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
 * FCKeditor Module for Drupal 5.x
 *
 * This module allows Drupal to replace textarea fields with FCKeditor.
 *
 * 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 fckeditor.config.js or fckconfig.js
 */
define('FCKEDITOR_FORCE_SIMPLE_TOOLBAR_NAME', 'DrupalBasic') ;

/**
 * Implementation of hook_help
 */
function fckeditor_help($path, $arg) {
  if (strpos($path, 'admin/settings/fckeditor/edit/') === 0 || $path == 'admin/settings/fckeditor/add') {
    $output = t("<p>Note: FCKeditor is highly configurable. The most commonly used features are listed below. If you want to take a look at all available settings, open <code>!fckconfig</code> and then customize <code>!fckeditor_config</code> to your needs. This is also the only way to define new toolbar sets. It is advised to not edit <code>fckconfig.js</code> because you may overwrite it accidentally when you update the editor.</p>", array('!fckconfig' => drupal_get_path('module', 'fckeditor') ."/fckeditor/fckconfig.js", '!fckeditor_config' => drupal_get_path('module', 'fckeditor') ."/fckeditor.config.js"));
  }

  switch ($path) {
    case 'admin/settings/help#description':
      $output = t("Enables the usage of FCKeditor (WYSIWYG editor) instead of plain text fields.");
      break;
    case 'admin/settings/fckeditor/addg':
    case 'admin/settings/fckeditor/editg':
      $output = t("<p>The Global Profile allows you to define settings that are common for all profiles. Values defined in other profiles will be appended to the global configuration. This way you can avoid repeating some of the settings that are usually the same in each profile.</p>");
      break;
    case 'admin/settings/fckeditor':
      $output = t("<p>The FCKeditor module allows Drupal to replace textarea fields with a rich text or <acronym title=\"What You See Is What You Get\">WYSIWYG</acronym> editor. This editor brings many of the powerful functionalities of known desktop editors like Word to the web. It's relatively lightweight and doesn't require any kind of installation on the client computer.</p><p>More information about the editor is located at the !fckeditorlink. A small user guide is located at !userguidelink.</p>",
      array(
      '!fckeditorlink' => l(t('FCKeditor homepage'), 'http://www.fckeditor.net'),
      '!userguidelink' => l(t('FCKeditor userguide'), 'http://docs.fckeditor.net/FCKeditor/Users_Guide'))
      );
      $output .= t('<p>Profiles can be defined based on user roles. A FCKeditor profile can define which pages receive this FCKeditor capability, what buttons or themes are enabled for the editor, how the editor is displayed, and a few other editor functions. It is possible also to define the Global Profile that will hold values that will be appended to all other profiles.</p><p>Lastly, only users with the <code>!access1</code> !permission will be able to use FCKeditor. </p>', array('!permission' => l(t('permission'), 'admin/user/permissions'), '!access1' => t('access fckeditor')));
      break;
    case 'admin/help#fckeditor':
      $output = t("<p>The FCKeditor module allows Drupal to replace textarea fields with a rich text or <acronym title=\"What You See Is What You Get\">WYSIWYG</acronym> editor. This editor brings many of the powerful functionalities of known desktop editors like Word to the web. It's relatively lightweight and doesn't require any kind of installation on the client computer.</p><p>More information is located at the !fckeditorlink. A small user guide is located at !userguidelink.</p>",
      array(
      '!fckeditorlink' => l(t('FCKeditor homepage'), 'http://www.fckeditor.net'),
      '!userguidelink' => l(t('FCKeditor userguide'), 'http://docs.fckeditor.net/FCKeditor/Users_Guide'))
      );
      $output .= t('<h3>Installation</h3><p>Go to the !fckeditorlink and download the latest version. Then uncompress the contents of the "fckeditor" directory of the downloaded file to %fckeditordir.</p>',
      array(
      '!fckeditorlink' => l(t('FCKeditor homepage'), 'http://www.fckeditor.net/download'),
      '%fckeditordir' => base_path() . drupal_get_path('module', 'fckeditor') .'/fckeditor/')
      );
      $output .= t('<h3>Configuration</h3><ol><li>Enable the module as usual from Drupal\'s admin pages.</li><li>Grant permissions for use of FCKeditor in <code>!path2</code></li><li>Under <code>!path1</code>, create the fckeditor profiles. In each profile you can choose which textareas will be replaced by FCKeditor, select default toolbar and configure some more advanced settings </li><li>For the Rich Text Editing to work you also need to configure your !filterlink for the users that may access Rich Text Editing. Either grant those users Full HTML access or use the following: <br/><code>!filter</code>. </li><li>To have a better control over line breaks, you may disable <code>Line break converter</code> in the chosen filter (recommended).</li><li>Modify the fckeditor.config.js file to custom your needs (optional).<br />You may copy the needed configuration lines from the default FCKeditor configuration settings (modules/fckeditor/fckeditor/fckconfig.js), the lines in fckeditor.config.js will override most settings.</li></ol>',
      array(
      '!path1' => l(t('Administer > Settings > FCKeditor'), 'admin/settings/fckeditor'),
      '!path2' => l(t('Administer > User Management > Access Control'), 'admin/user/permissions'),
      '!filter' => htmlentities('<a> <p> <span> <div> <h1> <h2> <h3> <h4> <h5> <h6> <img> <map> <area>
      <hr> <br> <br /> <ul> <ol> <li> <dl> <dt> <dd> <table> <tr> <td> <em>
      <b> <u> <i> <strong> <font> <del> <ins> <sub> <sup> <quote> <blockquote>
      <pre> <address> <code> <cite> <embed> <object> <strike> <caption>'),
      '!filterlink' => l(t('filters'), 'admin/settings/filters'))
      );
      $output .= t('<h3>Installation troubleshooting</h3><p>If your FCKeditor does not show you must check if all files are extracted correctly. The directory %fckeditordir should have the following files <code>fckeditor.js, fckconfig.js, fckstyles.xml, fcktemplates.xml</code> and a directory named <code>editor</code>.</p>',
      array(
      '%fckeditordir' => base_path() . drupal_get_path('module', 'fckeditor') .'/fckeditor/')
      );
      $output .= t('The correct directory structure is as follows: <blockquote><pre>!structure</pre></blockquote>', array(
      '!structure' => "modules\n   fckeditor\n      <em>fckeditor.module</em>\n      fckeditor\n         _samples\n         editor\n         <em>COPY_HERE.txt</em>\n         <em>fckconfig.js</em>\n         ..."
      ));
      $output .= t("<h3>Plugins: Teaser break and Pagebreak</h3><p>By default, FCKeditor module comes with two plugins that can handle teaser break (&lt;!--break--&gt;) and pagebreak (&lt;!--pagebreak--&gt;). You can enable any (or even both) of them.<ol><li>Open <code>!fckeditor.config.js</code> and uncomment these three lines: <pre>!code</pre></li><li>The second step is to add buttons to the toolbar (in the same file). The button names are: <code>DrupalBreak, DrupalPageBreak</code>. For example if you have a toolbar with an array of buttons defined as follows: <pre>!buttons1</pre> simply add those two buttons at the end of array: <pre>!buttons2</pre> (remember about single quotes).</li></ol></p>",
      array(
      '!fckeditor.config.js' => base_path() . drupal_get_path('module', 'fckeditor') .'/fckeditor.config.js',
      '!code' => "
      FCKConfig.PluginsPath = '../../plugins/' ;
      FCKConfig.Plugins.Add( 'drupalbreak' ) ;
      FCKConfig.Plugins.Add( 'drupalpagebreak' ) ;
      ",
      '!buttons1' => "['Image','Flash','Table','Rule','SpecialChar']",
      '!buttons2' => "['Image','Flash','Table','Rule','SpecialChar', 'DrupalBreak', 'DrupalPageBreak']",
      ));
      $output .= t('<h3>Uploading images and files</h3><p>There are three ways of uploading files: By using the built-in file browser, by using a module like !imce or using the core upload module.</p>',
      array(
      '!imce' => l(t('IMCE'), 'http://drupal.org/project/imce')
      )
      );
      // the rest is untranslated for the moment
      $output .= t("<h3>How to enable the file browser</h3><p>The editor gives the end user the flexibility to create a custom file browser that can be integrated on it. The included file browser allows users to view the content of a specific directory on the server and add new content to that directory (create folders and upload files).</p><p><ol><li>To enable file browsing you need to edit the connector configuration file in your fckeditor module directory, the file should be in:<blockquote><code>!config3</code> <br/> (FCKeditor 2.5+)<br/><br/> or <br/><br/><code>!config1</code><br/> and <br/><code>!config2</code> <br/> (FCKeditor 2.3.x - 2.4.x)</blockquote></p><p>In this file(s) you will need to enable the file browser by adding one line that includes file with the special authentication function for Drupal (<code>filemanager.config.php</code>). Add this code: <blockquote><code>!code1</code><br/> (FCKeditor 2.5+)</blockquote> or <blockquote><code>!code2</code> <br/> (FCKeditor 2.3.x - 2.4.x)</blockquote> straight below this line: <blockquote><code>!code3</code></blockquote> The config.php file also holds some other important settings, please take a look at it and adjust it to your needs (optional).</p></li>",
      array('!config1' => base_path() . drupal_get_path('module', 'fckeditor') ."/fckeditor/editor/filemanager/browser/default/connectors/php/config.php",
      '!config2' => base_path() . drupal_get_path('module', 'fckeditor') ."/fckeditor/editor/filemanager/upload/php/config.php",
      '!config3' => base_path() . drupal_get_path('module', 'fckeditor') ."/fckeditor/editor/filemanager/connectors/php/config.php",
      '!filesdir' => file_directory_path(),
      '!code1' => 'require_once "../../../../../filemanager.config.php";', //2.5
      '!code2' => 'require_once "'. str_replace("\\", "\\\\", dirname(__FILE__) . DIRECTORY_SEPARATOR .'filemanager.config.php"'), //2.4
      '!code3' => "\$Config['UserFilesAbsolutePath'] = '' ;",
      )
      );
      $output .= t("<li>As of Drupal 5.2, additional step is required: locate file named <code>settings.php</code> inside your drupal directory (usually <code>sites/default/settings.php</code>) and set <strong><code>&#36;cookie_domain</code></strong> variable to the appropiate domain (remember to uncomment that line). If you not do this, FCKeditor will claim that file browser is disabled</li>");
      $output .= t('<li>Enabling file uploads is <strong>a security risk</strong>. That\'s why you have to grant a !link to enable the file browser to certain groups.</li>', array('!link' => l(t('separate permission'), 'admin/user/permissions')));
      $output .= t('<li>Lastly, adjust the !fb for each !profile.</li></ol>', array('!fb' => t('File browser settings'), '!profile' => l(t('profile'), 'admin/settings/fckeditor')));
      //$output .= t("<h3>Modules: Image Assist</h3><p>Image Assist can be integrated with FCKeditor. To do this, simply copy the <code>!iaf1</code> file to <code>!iaf2</code>.</p>", array("!iaf1" => drupal_get_path('module', 'fckeditor') ."/img_assist_fckeditor.js", "!iaf2" => drupal_get_path('module', 'img_assist') ."/img_assist_fckeditor.js"));

      break;
  }
  return $output;
}

/**
 * Implementation of hook_perm
 * Administer -> User management -> Access Control
 */
function fckeditor_perm() {
  return array('administer fckeditor', 'access fckeditor', 'allow fckeditor file uploads');
}


/**
 * Implementation of textarea
 * Replace textarea with FCKeditor using callback function (fckeditor_process_textarea)
 */
function fckeditor_elements() {
  $type = array();
  if (user_access('administer fckeditor')) {
    $type['textfield'] = array(
    '#process' => array(
    'fckeditor_process_input'
    ),
    );
  }
  if (user_access('access fckeditor')) {
    // only roles with permission get the fckeditor
    if (fckeditor_is_compatible_client()) {
      // it would be useless to dig deeper if we're not able or allowed to
      $type['textarea'] = array(
      '#process' => array(
      'fckeditor_process_textarea'
      ),
      );
    }
  }
  return $type;
}

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

/**
 * Add link to FCKeditor configuration in "Administer ->  Site configuration" section
 *
 */
function fckeditor_menu() {

  $items = array();

  $items['admin/settings/fckeditor'] = array(

  'title' => t('FCKeditor'),
  'description' => t('Configure the rich editor.'),
  'page callback' => 'fckeditor_admin',
  'access arguments' => array('administer fckeditor'),
  'type' => MENU_NORMAL_ITEM,
  );

  return $items;
}

//Remove a profile from the database.
function fckeditor_profile_delete($name) {
  db_query("DELETE FROM {fckeditor_settings} WHERE name = '%s'", $name);
  db_query("DELETE FROM {fckeditor_role} WHERE name = '%s'", $name);
}

/**
 * Profile validation.
 */
function fckeditor_profile_validate($edit) {
  $errors = array();

  if (!preg_match("/^\d+$/", trim($edit['min_rows']))) {
    $errors['min_rows'] = t('Minimum rows must be a valid number');
  }

  if ($edit['default'] == 't' && $edit['popup'] == 't') {
    $errors['popup'] = t('If FCKeditor is enabled by default, popup window must be disabled.');
  }

  if ($edit['show_toggle'] == 't' && $edit['popup'] == 't') {
    $errors['popup'] = t('If toggle is enabled, popup window must be disabled.');
  }

  if (!$edit['name']) {
    $errors['name'] = t('You must give a profile name.');
  }

  if (!preg_match("/^\d+%?$/", $edit['width'])) {
    $errors['width'] = t('Enter valid width. Ex: 400 or 100%');
  }

  if (!empty($edit['css_path'])) {
    if ($edit['css_mode'] != 'self') {
      $errors['css_path'] = t('CSS path is not empty. Please set the "Editor CSS" option to "define css" mode.');
    }
    else if (false !== strpos($edit['css_path'], '"')) {
      $errors['css_path'] = t('Double quotes are not allowed in CSS path.');
    }
    else if (substr($edit['css_path'], 0, 1) == "'" && substr($edit['css_path'], -1) == "'") {
      $errors['css_path'] = t('Enter valid path, do not surround it with quotes.');
    }
  }

  if (!empty($edit['styles_path'])) {
    if ($edit['css_style'] != 'self') {
      $errors['styles_path'] = t('Path to predefined styles is not empty. Please set the "Predefined styles" option to "define path to fckstyles.xml" mode.');
    }
    else if (false !== strpos($edit['styles_path'], '"')) {
      $errors['styles_path'] = t('Double quotes are not allowed in path.');
    }
    else if (substr($edit['styles_path'], 0, 1) == "'" && substr($edit['styles_path'], -1) == "'") {
      $errors['styles_path'] = t('Enter valid path, do not surround it with quotes.');
    }
  }

  if (!empty($edit['font_format'])) {
    if (!preg_match("/^((p|div|pre|address|h1|h2|h3|h4|h5|h6);)*(p|div|pre|address|h1|h2|h3|h4|h5|h6)$/", $edit['font_format'])) {
      $errors['font_format'] = t('Enter valid, semicolon separated, list of HTML font formats (no semicolon at the end of list expected).');
    }
  }

  //validate fields
  $fields = preg_split("/[\s,]+/", strip_tags($edit['excl_fields']));
  foreach ($fields as $field) {
    if ($field && !preg_match("/^[a-z]+(\-[a-z]+)+$/i", $field)) {
      $errors['excl_fields'] = t("Invalid field specified: %1", array("%1" => $field));
      break;
    }
  }

  $fields = preg_split("/[\s,]+/", strip_tags($edit['simple_incl_fields']));
  foreach ($fields as $field) {
    if ($field && !preg_match("/^[a-z]+(\-[a-z]+)+$/i", $field)) {
      $errors['excl_fields'] = t("Invalid field specified: %1", array("%1" => $field));
      break;
    }
  }

  //validate paths
  $paths = preg_split("/[\s,]+/", strip_tags($edit['excl_paths']));
  foreach ($paths as $path) {
    if ($path && !preg_match("|^[a-z0-9-\*/]*$|i", $path)) {
      $errors['excl_paths'] = t("Invalid path specified: %1", array("%1" => $path));
      break;
    }
  }

  $paths = preg_split("/[\s,]+/", strip_tags($edit['simple_incl_paths']));
  foreach ($paths as $path) {
    if ($path && !preg_match("|^[a-z0-9-\*/]*$|i", $path)) {
      $errors['excl_paths'] = t("Invalid path specified: %1", array("%1" => $path));
      break;
    }
  }

  if ($edit['UserFilesAbsolutePath'] && !$edit['UserFilesPath']) {
    $errors['UserFilesPath'] = t("Path to uploaded files is required.");
  }
  if ($edit['UserFilesPath'] && !$edit['UserFilesAbsolutePath']) {
    $errors['UserFilesPath'] = t("Absolute path to uploaded files is required.");
  }

  foreach ($errors as $name => $message) {
    form_set_error($name, $message);
  }

  return count($errors) == 0;
}

/**
 * Global profile validation.
 */
function fckeditor_global_profile_validate($edit) {
  $errors = array();

  //validate fields
  $fields = preg_split("/[\s,]+/", strip_tags($edit['excl_fields']));
  foreach ($fields as $field) {
    if ($field && !preg_match("/^[a-z]+(\-[a-z]+)+$/i", $field)) {
      $errors['excl_fields'] = t("Invalid field specified: %1", array("%1" => $field));
      break;
    }
  }

  $fields = preg_split("/[\s,]+/", strip_tags($edit['simple_incl_fields']));
  foreach ($fields as $field) {
    if ($field && !preg_match("/^[a-z]+(\-[a-z]+)+$/i", $field)) {
      $errors['excl_fields'] = t("Invalid field specified: %1", array("%1" => $field));
      break;
    }
  }

  //validate paths
  $paths = preg_split("/[\s,]+/", strip_tags($edit['excl_paths']));
  foreach ($paths as $path) {
    if ($path && !preg_match("|^[a-z0-9-\*/]*$|i", $path)) {
      $errors['excl_paths'] = t("Invalid path specified: %1", array("%1" => $path));
      break;
    }
  }

  $paths = preg_split("/[\s,]+/", strip_tags($edit['simple_incl_paths']));
  foreach ($paths as $path) {
    if ($path && !preg_match("|^[a-z0-9-\*/]*$|i", $path)) {
      $errors['excl_paths'] = t("Invalid path specified: %1", array("%1" => $path));
      break;
    }
  }

  foreach ($errors as $name => $message) {
    form_set_error($name, $message);
  }

  return count($errors) == 0;
}

/**
 * Controller for FCKeditor administrative settings.
 */
function fckeditor_admin($arg = NULL) {

  $module_drupal_path = drupal_get_path('module', 'fckeditor');
  $fckconfig_file = $module_drupal_path .'/fckeditor/fckconfig.js';
  if (!file_exists($fckconfig_file)) {
    drupal_set_message(t('checking for %filename', array('%filename' => $fckconfig_file)));
    drupal_set_message(
    t('The FCKeditor component is not installed correctly. Please go to the !fckeditorlink to download the latest version. After that you must extract the files to %modulepath and make sure that the directory %modulesubdir and the file %modulefile exist. Refer to the !readme for more information.',
    array(
    '!fckeditorlink' => l(t('FCKeditor homepage'), 'http://www.fckeditor.net/download'),
    '!readme' => l('readme.txt', 'admin/help/fckeditor'),
    '%modulepath' => base_path() . $module_drupal_path .'/fckeditor/',
    '%modulesubdir' => base_path() . $module_drupal_path .'/fckeditor/editor',
    '%modulefile' => base_path() . $module_drupal_path .'/fckeditor/fckeditor.js')),
    'error');
    return false;
  }

  $edit = $_POST;
  $op = isset($_POST['op']) ? $_POST['op'] : "";

  $op = $arg && !$op ? $arg : $op;

  switch ($op) {
    case 'add':
      $output = fckeditor_profile_form($edit);
      break;

    case 'addg':
      $output = fckeditor_global_profile_form($edit);
      break;

    case 'edit':
      drupal_set_title(t('Edit FCKeditor profile'));
      $output = fckeditor_profile_form(fckeditor_profile_load(urldecode(arg(4))));
      break;

    case 'editg':
      drupal_set_title(t('Edit FCKeditor profile'));
      $output = fckeditor_global_profile_form(fckeditor_profile_load("FCKeditor Global Profile"));
      break;

    case 'delete':
      fckeditor_profile_delete(urldecode(arg(4)));
      drupal_set_message(t('Deleted profile'));
      drupal_goto('admin/settings/fckeditor');
      break;

    case 'deleteg':
      fckeditor_profile_delete("FCKeditor Global Profile");
      drupal_set_message(t('Deleted Global profile'));
      drupal_goto('admin/settings/fckeditor');
      break;

    case t('Create profile');
    case t('Update profile');
    if (fckeditor_profile_validate($edit)) {
      fckeditor_profile_save($edit);
      $edit['old_name'] ? drupal_set_message(t('Your FCKeditor profile has been updated.')) : drupal_set_message(t('Your FCKeditor profile has been created.'));
      drupal_goto('admin/settings/fckeditor');
    }
    else {
      $output = fckeditor_profile_form($edit);
    }
    break;

    case t('Create global profile');
    case t('Update global profile');
    if (fckeditor_global_profile_validate($edit)) {
      $edit['name'] = 'FCKeditor Global Profile';
      fckeditor_global_profile_save($edit);
      drupal_set_message(t('FCKeditor global profile has been saved.'));
      drupal_goto('admin/settings/fckeditor');
    }
    else {
      $output = fckeditor_global_profile_form($edit);
    }
    break;

    default:
      drupal_set_title(t('FCKeditor settings'));
      //Check if FCKeditor is installed.
      $fckeditor_loc = drupal_get_path('module', 'fckeditor') .'/fckeditor/';
      if (!is_dir($fckeditor_loc)) {
        drupal_set_message(t('Could not find the FCKeditor engine installed at <strong>!fckeditor-directory</strong>. Please !download, uncompress it and copy the folder into !fckeditor-path.', array('!fckeditor-path' => drupal_get_path('module', 'fckeditor'), '!fckeditor-directory' => $fckeditor_loc, '!download' => l(t("download FCKeditor"), "http://www.fckeditor.net/download"))), 'error');
      }
      $output = fckeditor_profile_overview();
  }

  return $output;
}

/**
 * Save a profile to the database.
 * @todo add more entries to array in the user_save line
 */
function fckeditor_profile_save($edit) {
  db_query("DELETE FROM {fckeditor_settings} WHERE name = '%s' or name = '%s'", $edit['name'], $edit['old_name']);
  db_query("DELETE FROM {fckeditor_role} WHERE name = '%s' or name = '%s'", $edit['name'], $edit['old_name']);
  db_query("INSERT INTO {fckeditor_settings} (name, settings) VALUES ('%s', '%s')", $edit['name'], serialize($edit));
  if ($edit['rids'])
  foreach ($edit['rids'] as $rid => $value) {
    db_query("INSERT INTO {fckeditor_role} (name, rid) VALUES ('%s', %d)", $edit['name'], $rid);
  }

  // if users can't set their own defaults, make sure to remove $user->fckeditor_status so their default doesn't override the main default
  if ($edit['user_choose'] == 'false') {
    global $user;
    user_save($user, array('fckeditor_status' => NULL));
  }
}

function fckeditor_global_profile_save($edit) {
  if (isset($edit['rank'])) {
    $edit['rank'] = explode('>', str_replace(' ', '', $edit['rank']));
  }

  db_query("DELETE FROM {fckeditor_settings} WHERE name = '%s' or name = '%s'", $edit['name'], $edit['old_name']);
  db_query("DELETE FROM {fckeditor_role} WHERE name = '%s' or name = '%s'", $edit['name'], $edit['old_name']);
  db_query("INSERT INTO {fckeditor_settings} (name, settings) VALUES ('%s', '%s')", $edit['name'], serialize($edit));
}

/**
 * Controller for fckeditor profiles.
 */
function fckeditor_profile_overview() {
  $output = '';

  $profiles = fckeditor_profile_load();
  if ($profiles) {
    $roles = user_roles();
    $header = array(t('Profile'), t('Roles'), t('Operations'));
    foreach ($profiles as $p) {
      if ($p->name !== "FCKeditor Global Profile") {
        $rows[] = array(array('data' => $p->name, 'valign' => 'top'), array('data' => implode("<br />\n", $p->rids)), array('data' => l(t('edit'), 'admin/settings/fckeditor/edit/'. urlencode($p->name)) .' '. l(t('delete'), 'admin/settings/fckeditor/delete/'. urlencode($p->name)), 'valign' => 'top'));
      }
    }
    $output .= "<h3>". t("Profiles") ."</h3>";
    $output .= theme('table', $header, $rows);
    $output .= '<p>'. l(t('Create new profile'), 'admin/settings/fckeditor/add') .'</p>';
  }
  else {
    drupal_set_message(t('No profiles found. Click here to !create.', array('!create' => l(t("create a new profile"), 'admin/settings/fckeditor/add'))));
  }

  $rows = array();
  if (!isset($profiles['FCKeditor Global Profile'])) {
    drupal_set_message(t('Global Profile not found. Click here to !create.', array('!create' => l(t("create the global profile"), 'admin/settings/fckeditor/addg'))));
  }
  else {
    $output .= "<h3>". t("Global Settings") ."</h3>";
    $rows[] = array(array('data' => t('FCKeditor Global Profile'), 'valign' => 'top'), array('data' => l(t('edit'), 'admin/settings/fckeditor/editg') ." ". l(t('delete'), 'admin/settings/fckeditor/deleteg'), 'valign' => 'top'));
    $output .= theme('table', array(t('Profile'), t('Operations')), $rows);
  }

  return $output;
}

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

  if (!$profiles) {
    $roles = user_roles();
    $result = db_query('SELECT * FROM {fckeditor_settings}');
    while ($data = db_fetch_object($result)) {
      $data->settings = unserialize($data->settings);
      $result2 = db_query("SELECT rid FROM {fckeditor_role} WHERE name = '%s'", $data->name);
      $role = array();
      while ($r = db_fetch_object($result2)) {
        $role[$r->rid] = $roles[$r->rid];
      }
      $data->rids = $role;

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

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

/**
 * @param int $excl_mode 1/include, exclude otherwise
 * @param string $excl_fields fields (HTML IDs)
 * @param string $excl_paths paths (drupal paths)
 * @param string $element_id current ID
 * @param string $get_q current path
 * 
 * @return boolean
 *    returns true if FCKeditor is enabled
 */
function fckeditor_is_enabled($excl_mode, $excl_fields, $excl_paths, $element_id, $get_q) {
  $arr_excl_fields = preg_split("/[\s,]+/", strip_tags($excl_fields));
  $field_found = fckeditor_idsearch($element_id, $arr_excl_fields);

  $path = drupal_get_path_alias($get_q);
  $regexp = '/^('. preg_replace(array('/(\r\n?|\n)/', '/\\\\\*/', '/(^|\|)\\\\<front\\\\>($|\|)/'), array('|', '.*', '\1'. preg_quote(variable_get('site_frontpage', 'node'), '/') .'\2'), preg_quote($excl_paths, '/')) .')$/';
  $path_found = preg_match($regexp, $path);

  $found = $field_found || $path_found;

  $result =  ($excl_mode == 1) ? $found : !$found;
  return $result;
}

/**
 * This function create the HTML objects required for the FCKeditor
 *
 * @param $element
 *   A fully populated form elment to add the editor to
 * @return
 *   The same $element with extra FCKeditor markup and initialization
 */
function fckeditor_process_textarea($element) {
  static $is_running = FALSE;
  static $num = 1;
  global $user, $fckeditor_simple_toolbar_ids;
  static $profile_name;

  //skip this one, surely nobody wants WYSIWYG here

  switch ($element['#id']) {
    case 'edit-excl-list':
    case 'edit-simple-incl-list':
    case 'edit-simple-incl-paths':
    case 'edit-simple-incl-fields':
    case 'edit-log':
    case 'edit-excl-fields':
    case 'edit-excl-paths':
    case 'edit-js-conf':
      return $element;
      break;
  }

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

  // Since fckeditor_profile_load() makes a db hit, only call it when we're pretty sure
  // we're gonna render fckeditor.
  if (!$profile_name) {
    $sorted_roles = fckeditor_sorted_roles();
    foreach ($sorted_roles as $rid => $name) {
      if (isset($user->roles[$rid])) {
        break;
      }
    }

    $profile_name = db_result(db_query("SELECT s.name FROM {fckeditor_settings} s INNER JOIN {fckeditor_role} r ON r.name = s.name WHERE r.rid='%s'", $rid));
    if (!$profile_name) {
      return $element;
    }
  }

  $profile = fckeditor_profile_load($profile_name);

  $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] = fckeditor_user_get_setting($user, $profile, $setting);
    }
  }
  if ($conf["popup"]=="t" && $conf["show_toggle"]=="t") {
    $conf["show_toggle"]="f";
  }

  $themepath = path_to_theme() .'/';
  $host = base_path();

  // Set resizable to false to avoid drupal.js resizable function from taking control of the textarea
  if ($conf["popup"]=="f") {
    $element['#resizable'] = FALSE;
  }

  $enabled = fckeditor_is_enabled($conf['excl_mode'], $conf['excl_fields'], $conf['excl_paths'], $element['#id'], $_GET['q']);
  if ($enabled) {
    $global_profile = fckeditor_profile_load("FCKeditor Global Profile");
    $global_conf = $global_profile->settings;
    if ($global_conf) {
      $enabled = fckeditor_is_enabled($global_conf['excl_mode'], $global_conf['excl_fields'], $global_conf['excl_paths'], $element['#id'], $_GET['q']);
    }
  }

  if (($element['#rows'] > $conf['min_rows']) && $enabled) {
    // only replace textarea when it has enough rows and it is enabled

    $js_id = 'oFCK_'. $num++;
    $fckeditor_on = ($conf['default']=='t') ? 1 : 0 ;

    $wysiwyg_link = "<div id=\"fck_{$js_id}\"><textarea id=\"{$js_id}\">". htmlspecialchars($element['#value']) ."</textarea></div>\n";
    $wysiwyg_link .= "<a href=\"javascript:Toggle('{$js_id}','{$element['#id']}','". str_replace("'", "\\'", t("Switch to plain text editor")) ."','". str_replace("'", "\\'", t("Switch to rich text editor")) ."');\" id=\"switch_{$js_id}\" ". ($fckeditor_on?"style=\"display:none\"":"") .">";
    $wysiwyg_link .= $fckeditor_on ? t("Switch to plain text editor") : t("Switch to rich text editor");
    $wysiwyg_link .= "</a>";
    $wysiwyg_link .= "\n<script type=\"text/javascript\">";
    $wysiwyg_link .= "window.setTimeout(\"CreateToggle('{$element['#id']}','{$js_id}', $fckeditor_on);\",100);\n</script>";
    if (!isset($element['#suffix'])) {
      $element['#suffix'] = "";
    }
    //settings are saved as strings, not booleans
    if ($profile->settings['show_toggle'] == 't') {
      // Make sure to append to #suffix so it isn't completely overwritten
      $element['#suffix'] .= $wysiwyg_link;
    }
    // setting some variables
    $module_drupal_path = drupal_get_path('module', 'fckeditor');
    $module_full_path = base_path() . $module_drupal_path;
    // get the default drupal files path
    $files_path = base_path() . file_directory_path();
    // module_drupal_path:
    //  'modules/fckeditor' (length=17)
    // module_full_path:
    //  '/drupal5/modules/fckeditor' (length=26)
    // files_path:
    //  '/drupal5/files' (length=14)
    // configured in settings
    $width = $conf['width'];

    // sensible default for small toolbars
    $height = $element['#rows'] * 14 + 140;

    if (!$is_running) {
      drupal_add_js($module_drupal_path .'/fckeditor/fckeditor.js');
      drupal_add_js($module_drupal_path .'/fckeditor.utils.js');
      $is_running = true;
    }

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

    $force_simple_toolbar = fckeditor_is_enabled(1, $conf['simple_incl_fields'], $conf['simple_incl_paths'], $element['#id'], $_GET['q']);
    if (!$force_simple_toolbar) {
      $force_simple_toolbar = fckeditor_is_enabled(1, $global_conf['simple_incl_fields'], $global_conf['simple_incl_paths'], $element['#id'], $_GET['q']);
    }
    if ($force_simple_toolbar) {
      $toolbar = FCKEDITOR_FORCE_SIMPLE_TOOLBAR_NAME;
    }

    $textarea_id = $profile->settings['show_toggle'] == 't' ? $js_id : $element['#id'];

    $element['#suffix'] .= "\n<script type=\"text/javascript\">
var ". $js_id ." = new FCKeditor( '". $textarea_id ."' );
". $js_id .".BasePath	= '". $module_full_path ."/fckeditor/';
". $js_id .".Config['CustomConfigurationsPath'] = \"". $module_full_path ."/fckeditor.config.js\";
". $js_id .".Config['TextareaID'] = \"". $element['#id'] ."\";";

    //if ($conf['appearance_conf'] == 'f') {
    $element['#suffix'] .= "\n". $js_id .".ToolbarSet = \"". $toolbar ."\";
". $js_id .".Config['SkinPath'] = ". $js_id .".BasePath + \"editor/skins/". $conf['skin'] ."/\";
". $js_id .".Config['DefaultLanguage'] = \"". $conf['lang'] ."\";
". $js_id .".Config['AutoDetectLanguage'] = ". ($conf['auto_lang']=="t"?"true":"false") .";
". $js_id .".Height = \"". $height ."\";
". $js_id .".Config['ToolbarStartExpanded'] = ". ($conf['expand']=="t"?"true":"false") .";
". $js_id .".Width = \"". $width ."\";\n";
    //}
    //if ($conf['output_conf'] == 'f') {
    $element['#suffix'] .= "\n". $js_id .".Config['EnterMode'] = '". $conf['enter_mode'] ."';
". $js_id .".Config['ShiftEnterMode'] = \"". $conf['shift_enter_mode'] ."\";
". $js_id .".Config['FontFormats'] = \"". str_replace(",", ";", $conf['font_format']) ."\";
". $js_id .".Config['FormatSource'] = ". ($conf['format_source']=="t"?"true":"false") .";
". $js_id .".Config['FormatOutput'] = ". ($conf['format_output']=="t"?"true":"false") .";\n";
    //}

    // integrate IMCE if it exists and is prefered
    if (function_exists('imce_integrate') && variable_get('imce_settings_fck', 0)) {
      imce_integrate('fck');
      $advanced_uploads = 0;
      $basic_uploads = 0;
    }
    else {
      $advanced_uploads = ($conf['upload_advanced']=="t");
      $basic_uploads = ($conf['upload_basic']=="t");
    }
    // add code for filebrowser for users that have access
    if (user_access('allow fckeditor file uploads')==1) {
      $connector_path = $module_drupal_path ."/fckeditor/editor/filemanager/connectors/php/connector.php" ;
      $connector_path = file_exists($connector_path) ? "../../connectors/php/connector.php" : "connectors/php/connector.php" ;
      $upload_path = $module_drupal_path ."/fckeditor/editor/filemanager/connectors/php/upload.php" ;
      $upload_path = file_exists($upload_path) ? "/fckeditor/editor/filemanager/connectors/php/upload.php" : "/fckeditor/editor/filemanager/upload/php/upload.php" ;
      if ($advanced_uploads) {
        $element['#suffix'] .= $js_id .".Config['LinkBrowserURL'] = \"". $module_full_path ."/fckeditor/editor/filemanager/browser/default/browser.html?Connector=". $connector_path ."&ServerPath=". $files_path ."\";
  ". $js_id .".Config['ImageBrowserURL'] = \"". $module_full_path ."/fckeditor/editor/filemanager/browser/default/browser.html?Type=Image&Connector=". $connector_path ."&ServerPath=". $files_path ."\";
  ". $js_id .".Config['FlashBrowserURL'] = \"". $module_full_path ."/fckeditor/editor/filemanager/browser/default/browser.html?Type=Flash&Connector=". $connector_path ."&ServerPath=". $files_path ."\";\n";
      }
      else {
        $element['#suffix'] .= $js_id .".Config['LinkBrowser'] = false;
". $js_id .".Config['ImageBrowser'] = false;
". $js_id .".Config['FlashBrowser'] = false;\n";
      }
      if ($basic_uploads) {
        $element['#suffix'] .= $js_id .".Config['LinkUploadURL'] = \"". $module_full_path . $upload_path ."\";
  ". $js_id .".Config['ImageUploadURL'] = \"". $module_full_path . $upload_path ."?Type=Image\";
  ". $js_id .".Config['FlashUploadURL'] = \"". $module_full_path . $upload_path ."?Type=Flash\";\n";
      }
      else {
        $element['#suffix'] .= $js_id .".Config['LinkUpload'] = false;
". $js_id .".Config['ImageUpload'] = false;
". $js_id .".Config['FlashUpload'] = false;\n";
      }
      $_SESSION['FCKeditor']['UserFilesPath'] = strtr($profile->settings['UserFilesPath'], array("%f" => file_directory_path(), "%u" => $user->uid, "%b" => base_path()));
      $_SESSION['FCKeditor']['UserFilesAbsolutePath'] = strtr($profile->settings['UserFilesAbsolutePath'], array("%f" => file_directory_path(), "%u" => $user->uid, "%b" => base_path(), "%d" => $_SERVER['DOCUMENT_ROOT']));
    }
    else {
      $element['#suffix'] .= $js_id .".Config['LinkBrowser'] = false;
". $js_id .".Config['ImageBrowser'] = false;
". $js_id .".Config['FlashBrowser'] = false;
". $js_id .".Config['LinkUpload'] = false;
". $js_id .".Config['ImageUpload'] = false;
". $js_id .".Config['FlashUpload'] = false;\n";
    }

    if ($conf['js_conf']) {
      $lines = preg_split("/[\n\r]+/", $conf['js_conf']);
      foreach ($lines as $l)
      if ($l && strlen($l) > 5) {
        $eqpos = strpos($l, "=");
        if (false !== $eqpos) {
          $option = str_replace("FCKConfig.", "", substr($l, 0, $eqpos));
          $element['#suffix'] .= "\n". $js_id .".Config['". $option ."'] =". substr($l, $eqpos + 1);
        }
      }
    }

    // add custom xml stylesheet if it exists
    if ($conf['css_style'] == 'theme') {
      if (file_exists($themepath .'/fckstyles.xml')) {
        $styles_xml_path = $host . $themepath .'/fckstyles.xml';
        $element['#suffix'] .= $js_id .".Config['StylesXmlPath'] = \"". $styles_xml_path ."\";\n";
      }
    }
    else if ($conf['css_style'] == 'self') {
      $element['#suffix'] .=  $js_id .".Config['StylesXmlPath'] = \"". str_replace(array('%h', '%t', '%m'), array($host, $themepath, $module_drupal_path), $conf['styles_path']) ."\";\n";
    }

    // add custom stylesheet if configured
    // lets hope it exists but we'll leave that to the site admin
    if ($conf['css_mode'] == 'theme') {
      $css = $themepath .'style.css';
      if (file_exists($css)) {
        $element['#suffix'] .=  $js_id .".Config['EditorAreaCSS'] = \"". $host . $css .",". $module_full_path ."/fckeditor.css\";";
      }
    }
    else if ($conf['css_mode'] == 'self') {
      $element['#suffix'] .=  $js_id .".Config['EditorAreaCSS'] = \"". str_replace(array('%h', '%t'), array($host, $themepath), $conf['css_path']) .",". $module_full_path ."/fckeditor.css\";";
    }

    $element['#suffix'] .= "</script>\n";

    if ($conf['popup']=="t") {
      // Add the script file with the popup open function.
      drupal_add_js($module_drupal_path .'/fckeditor.popup.js');
      $element['#suffix'] .= " <span class=\"fckeditor_popuplink\">(<a href=\"#\" onclick=\"FCKeditor_OpenPopup('". $module_full_path ."/fckeditor.popup.html?var=". $js_id ."&el=". $element['#id'] ."');return false;\">". t('Open rich editor') ."</a>)</span>";
    }
    else {
      // if no popup mode, add the editor initialization to the footer
      // this obviously needs print($closure) in page.tpl.php
      if ($fckeditor_on) {
        drupal_add_js('if (Drupal.jsEnabled) {$(document).ready(function() {if (typeof ('. $js_id .') != "undefined") '. $js_id .'.ReplaceTextarea();});}', 'inline', 'footer');
      }
    }
  }

  // display the field id for administrators
  if (user_access('administer fckeditor')) {
    $element['#suffix'] .= t('<div class="textarea-identifier description">The ID for !excluding this element is: !id - the path is: !path</div>', array(
    '!excluding' => l(t("excluding or including"), 'admin/settings/fckeditor'),
    '!id' => $element['#id'],
    '!path' => $_GET['q'],
    ));
  }

  return $element;
}

/**
 * Implementation of hook_user().
 */
function fckeditor_user($type, &$edit, &$user, $category = NULL) {
  if ($type == 'form' && $category == 'account' && user_access('access fckeditor')) {
    $profile = fckeditor_user_get_profile($user);
    $toolbar_options = fckeditor_load_toolbar_options();
    $skin_options = fckeditor_load_skin_options();
    $lang_options = fckeditor_load_lang_options();

    // because the settings are saved as strings we need to test for the string 'true'
    if ($profile->settings['allow_user_conf'] == 't') {
      $form['fckeditor'] = array(
      '#type' => 'fieldset',
      '#title' => t('Rich Text Editor settings'),
      '#weight' => 10,
      '#collapsible' => TRUE,
      '#collapsed' => TRUE
      );

      $form['fckeditor']['fckeditor_default'] = array(
      '#type' => 'select',
      '#title' => t('Default state'),
      '#default_value' => isset($user->fckeditor_default) ? $user->fckeditor_default : (isset($profile->settings['default']) ? $profile->settings['default'] : 'f'),
      '#options' => array('t' => t('enabled'), 'f' => t('disabled')),
      '#description' => t('Should rich-text editing be enabled or disabled by default in textarea fields? If disabled, rich text editor may still be enabled using toggle or popup window.'),
      );

      $form['fckeditor']['fckeditor_show_toggle'] = array(
      '#type' => 'select',
      '#title' => t('Show disable/enable rich text editor toggle'),
      '#default_value' => isset($user->fckeditor_show_toggle) ? $user->fckeditor_show_toggle : (isset($profile->settings['show_toggle']) ? $profile->settings['show_toggle'] : 't'),
      '#options' => array('t' => t('true'), 'f' => t('false')),
      '#description' => t('Whether or not to show the disable/enable rich text editor toggle below the textarea. Works only if FCKeditor is not running a popup window (see below).'),
      );

      $form['fckeditor']['fckeditor_popup'] = array(
      '#type' => 'select',
      '#title' => t('Use FCKeditor in a popup window'),
      '#default_value' => isset($user->fckeditor_popup) ? $user->fckeditor_popup : (isset($profile->settings['popup']) ? $profile->settings['popup'] : 'f'),
      '#options' => array('f' => t('false'), 't' => t('true')),
      '#description' => t('If this option is enabled a link to a popup window will be used instead of a textarea replace.'),
      );

      $form['fckeditor']['fckeditor_skin'] = array(
      '#type' => 'select',
      '#title' => t('Skin'),
      '#default_value' => isset($user->fckeditor_skin) ? $user->fckeditor_skin : (isset($profile->settings['skin']) ? $profile->settings['skin'] : 'default'),
      '#options' => $skin_options,
      '#description' => t('Choose a FCKeditor skin.'),
      );

      $form['fckeditor']['fckeditor_toolbar'] = array(
      '#type' => 'select',
      '#title' => t('Toolbar'),
      '#default_value' => isset($user->fckeditor_toolbar) ? $user->fckeditor_toolbar : (isset($profile->settings['toolbar']) ? $profile->settings['toolbar'] : 'default'),
      '#options' => $toolbar_options,
      '#description' => t('Choose a FCKeditor toolbar set.'),
      );

      $form['fckeditor']['fckeditor_expand'] = array(
      '#type' => 'select',
      '#title' => t('Start the toolbar expanded'),
      '#default_value' => isset($user->fckeditor_expand) ? $user->fckeditor_expand : (isset($profile->settings['expand']) ? $profile->settings['expand'] : 't'),
      '#options' => array('t' => t('enabled'), 'f' => t('disabled')),
      '#description' => t('The toolbar start expanded or collapsed.'),
      );

      $form['fckeditor']['fckeditor_width'] = array(
      '#type' => 'textfield',
      '#title' => t('Width'),
      '#default_value' => isset($user->fckeditor_width) ? $user->fckeditor_width : (isset($profile->settings['width']) ? $profile->settings['width'] : '100%'),
      '#description' => t("Width in pixels or percent. Ex: 400 or 100%"),
      '#size' => 40,
      '#maxlength' => 128,
      );

      $form['fckeditor']['fckeditor_lang'] = array(
      '#type' => 'select',
      '#title' => t('Language'),
      '#default_value' => isset($user->fckeditor_lang) ? $user->fckeditor_lang : (isset($profile->settings['lang']) ? $profile->settings['lang'] : 'en'),
      '#options' => $lang_options,
      '#description' => t('The language for the FCKeditor interface.')
      );

      $form['fckeditor']['fckeditor_auto_lang'] = array(
      '#type' => 'select',
      '#title' => t('Auto-detect language'),
      '#default_value' => isset($user->fckeditor_auto_lang) ? $user->fckeditor_auto_lang : (isset($profile->settings['auto_lang']) ? $profile->settings['auto_lang'] : 't'),
      '#options' => array('t' => t('true'), 'f' => t('false')),
      '#description' => t('Use auto detect user language feature.')
      );

      return array('fckeditor' => $form);
    }
  }

  if ($type == 'validate') {
    return array(
    'fckeditor_default' => $edit['fckeditor_default'],
    'fckeditor_show_toggle' => $edit['fckeditor_show_toggle'],
    'fckeditor_popup' => $edit['fckeditor_popup'],
    'fckeditor_skin' => $edit['fckeditor_skin'],
    'fckeditor_toolbar' => $edit['fckeditor_toolbar'],
    'fckeditor_expand' => $edit['fckeditor_expand'],
    'fckeditor_width' => $edit['fckeditor_width'],
    'fckeditor_lang' => $edit['fckeditor_lang'],
    'fckeditor_auto_lang' => $edit['fckeditor_auto_lang'],
    );
  }
}

/**
 * Return an HTML form for profile configuration.
 */
function fckeditor_profile_form($edit) {

  $output .= drupal_get_form('fckeditor_profile_form_build', $edit);

  return $output;
}

/**
 * Return an HTML form for global profile configuration.
 */
function fckeditor_global_profile_form($edit) {

  $output .= drupal_get_form('fckeditor_global_profile_form_build', $edit);

  return $output;
}

function fckeditor_load_toolbar_options() {
  $arr = array();
  $module_drupal_path = drupal_get_path('module', 'fckeditor');
  $fckconfig_js = $module_drupal_path .'/fckeditor/fckconfig.js';
  $fckeditor_config_js = $module_drupal_path .'/fckeditor.config.js';
  if (file_exists($fckconfig_js) && is_readable($fckconfig_js)) {
    $fp = @fopen($fckconfig_js, "r");
    if ($fp) {
      while (!feof($fp)) {
        $line = fgets($fp, 1024);
        if (preg_match("/FCKConfig\.ToolbarSets\[(\"|')(.*?)\\1\]/i", $line, $matches)) {
          $arr[$matches[2]] = ucfirst($matches[2]);
        }
      }
      fclose($fp);
    }
  }