<?php

/**
 * CKEditor - The text editor for the Internet - http://ckeditor.com
 * Copyright (c) 2003-2011, 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 7.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.
 */

/**
 * Main administrative page
 */
function ckeditor_admin_main() {
    global $base_url;
    module_load_include('inc', 'ckeditor', 'includes/ckeditor.lib');
    $editor_path = ckeditor_path(TRUE);
    $ckconfig_file = $editor_path . '/config.js';
    
    //check if CKEditor plugin is installed
    if (!_ckeditor_requirements_isinstalled()) {
        drupal_set_message(t('Checking for %filename or %file.', array('%filename' => $ckconfig_file, '%file' => 'sites/all/libraries/ckeditor/ckeditor.js')));
        drupal_set_message(t('The CKEditor component is not installed correctly. Please go to the !ckeditorlink to download the latest version. After that you must extract the files to %ckeditorpath or %librarypath and make sure that the file %ckeditorfile or %ckeditorlibrary exist. Refer to the !readme for more information.', array('!ckeditorlink' => l(t('CKEditor homepage'), 'http://ckeditor.com/download'), '!readme' => l(t('README.txt'), $base_url . '/' . drupal_get_path('module', 'ckeditor') . '/README.txt', array('absolute' => TRUE)), '%ckeditorpath' => 'sites/all/modules/ckeditor/ckeditor', '%ckeditorsubdir' => $editor_path . '/editor', '%ckeditorfile' => 'sites/all/modules/ckeditor/ckeditor/ckeditor.js', '%ckeditorlibrary' => 'sites/all/libraries/ckeditor/ckeditor.js', '%librarypath' => 'sites/all/libraries/ckeditor')), 'error');
        drupal_set_message(t('If you have CKEditor already installed please edit @editg and update CKEditor path.', array('@editg' => l(t('CKEditor Global Profile'), 'admin/config/content/ckeditor/editg'))), 'warning');
        return '';
    }

    if (module_exists('wysiwyg')) {
        drupal_set_message(t('WYSIWYG module was detected. Using both modules at the same time may cause problems. It is recommended to turn the WYSIWYG module off (@wysiwygdisablelink).', array('@wysiwygdisablelink' => l(t('click here to disable'), 'ckeditor/disable/wysiwyg'))), 'warning');
    }

    //find profile other than Global
    $result = db_select('ckeditor_settings', 's')->fields('s', array('name'))->condition('name', 'CKEditor Global Profile', '<>')->range(0, 1)->execute()->fetchAssoc();
    if (!$result) {
        drupal_set_message(t('No CKEditor profiles found. At this moment, nobody is able to use CKEditor. Create new profile below.'), 'error');
    }

    return ckeditor_profile_overview();
}

/**
 * Controller for ckeditor profiles.
 */
function ckeditor_profile_overview() {
    $output = '';
    $profiles = ckeditor_profile_load();
    if ($profiles) {
        $access_ckeditor_roles = user_roles(FALSE, 'access ckeditor');
        $header = array(t('Profile'), t('Input format'), t('Operations'));
        foreach ($profiles as $p) {
            if ($p->name !== "CKEditor Global Profile") {
                $rows[] = array(
                    array('data' => $p->name, 'valign' => 'top'),
                    array('data' => implode("<br />\n", $p->input_formats)),
                    array('data' =>
                        l(t('edit'), 'admin/config/content/ckeditor/edit/' . urlencode($p->name)) . ' ' .
                        l(t('clone'), 'admin/config/content/ckeditor/clone/' . urlencode($p->name)) . ' ' .
                        l(t('delete'), 'admin/config/content/ckeditor/delete/' . urlencode($p->name)), 'valign' => 'top'
                    )
                );
            }
        }
        $output .= '<h3>' . t('Profiles') . '</h3>';
        $output .= theme('table', array("header" => $header, "rows" => $rows));
        $output .= '<p>' . l(t('Create new profile'), 'admin/config/content/ckeditor/add') . '</p>';
    }
    else {
        drupal_set_message(t('No profiles found. Click here to %create.', array('%create' => l(t('create a new profile'), url('admin/config/content/ckeditor/add')))));
    }

    $rows = array();
    if (!isset($profiles['CKEditor Global Profile'])) {
        drupal_set_message(t('Global profile not found. Click here to %create.', array('%create' => l(t('create the global profile'), url('admin/config/content/ckeditor/addg')))));
    }
    else {
        $output .= "<h3>" . t("Global settings") . "</h3>";
        $rows[] = array(
            array('data' => t('CKEditor Global Profile')),
            array('data' => l(t('edit'), 'admin/config/content/ckeditor/editg'), 'valign' => 'top')
        );
        $output .= theme('table', array("header" => array(t('Profile'), t('Operations')), "rows" => $rows));
    }
    return $output;
}

/**
 * Form builder for a global profile
 */
function ckeditor_admin_global_profile_form($form, $form_state, $mode = 'add') {
    module_load_include('inc', 'ckeditor', 'includes/ckeditor.lib');
    if ($mode == 'edit') {
        $profile = ckeditor_profile_load('CKEditor Global Profile');

        $form['_profile'] = array(
            '#type' => 'value',
            '#value' => $profile,
        );
    }
    else {
        $profile = new stdClass();
    }

    if ($mode == 'add') {
        $data = ckeditor_profile_load('CKEditor Global Profile');
        if (!empty($data)) {
            drupal_set_message(t('Global profile already exist. Only one global profile is allowed.'), 'error');
            drupal_not_found();
        }

        $btn = t('Create global profile');
    }
    else {
        $btn = t('Update global profile');
    }

    $orig_formats = filter_formats();
    $formats = array();
    foreach ($orig_formats AS $format) {
        $formats[$format->format] = $format->name;
    }

    $form['ckeditor_advanced_settings'] = array(
        '#type' => 'fieldset',
        '#title' => t('Advanced settings'),
        '#collapsible' => TRUE,
        '#collapsed' => FALSE,
    );

    $module_drupal_path = drupal_get_path('module', 'ckeditor');

    $form['ckeditor_advanced_settings']['ckeditor_path'] = array(
        '#type' => 'textfield',
        '#title' => t('Path to CKEditor'),
        '#default_value' => !empty($profile->settings['ckeditor_path']) ? $profile->settings['ckeditor_path'] : '%m/ckeditor',
        '#size' => 40,
        '#maxlength' => 128,
        '#description' => t('Path to CKEditor (the HTML editor, downloaded from <a href="!ckeditorcom">ckeditor.com</a>) relative to the document root.') .
        '<br />' .
        t('Available placeholders:!m - path where CKEditor module is stored (!files).!l - path to libraries dir (sites/all/libraries)<br />Current path: !path',
                array(
                    '!m' => '<br /><strong>%m</strong>',
                    '!l' => '<br /><strong>%l</strong>',
                    '!path' => ckeditor_path(FALSE),
                    '!files' => $module_drupal_path,
                    '!ckeditorcom' => 'http://ckeditor.com/download'
                )
        ),
        '#required' => TRUE
    );

    $form['ckeditor_advanced_settings']['ckeditor_local_path'] = array(
        '#type' => 'textfield',
        '#title' => t('Local path to CKEditor'),
        '#default_value' => isset($profile->settings['ckeditor_local_path']) ? $profile->settings['ckeditor_local_path'] : '',
        '#size' => 40,
        '#maxlength' => 128,
        '#description' => t('The path to the local directory (on the server) which points to the path defined above. Enter either an absolute server path or path relative to "index.php". If empty, CKEditor module will try to find the right path.<br />Current path: !path', array('!path' => ckeditor_path(TRUE))),
    );
    
    $form['ckeditor_advanced_settings']['ckeditor_plugins_path'] = array(
        '#type' => 'textfield',
        '#title' => t('Path to CKEditor plugins dir'),
        '#default_value' => !empty($profile->settings['ckeditor_plugins_path']) ? $profile->settings['ckeditor_plugins_path'] : '%m/plugins',
        '#size' => 40,
        '#maxlength' => 128,
        '#description' => t('Path to CKEditor plugins dir relative to the document root.') .
        '<br />' .
        t('Available placeholders:!m - base URL path where CKEditor module is stored (!files).!l - base URL path to libraries dir (!library).<br />Current path: !path', array(
            '!m' => '<br /><strong>%m</strong>',
            '!l' => '<br /><strong>%l</strong>',
            '!path' => ckeditor_plugins_path(),
            '!files' => $module_drupal_path,
            '!library' => 'sites/all/libraries/'
        ))
    );

    $form['ckeditor_advanced_settings']['ckeditor_plugins_local_path'] = array(
        '#type' => 'textfield',
        '#title' => t('Local path to CKEditor plugins dir'),
        '#default_value' => isset($profile->settings['ckeditor_plugins_local_path']) ? $profile->settings['ckeditor_plugins_local_path'] : '',
        '#size' => 40,
        '#maxlength' => 128,
        '#description' => t('The path to the local directory (on the server) which points to the path defined above. Enter either an absolute server path or path relative to "index.php". If empty, CKEditor module will try to find the right path.<br />Current path: !path', array('!path' => ckeditor_plugins_path(TRUE))),
    );
    
    //@todo DOWNLOAD API
    $current_private_dir = !empty($profile->settings['private_dir']) ? $profile->settings['private_dir'] : '';
    $form['ckeditor_advanced_settings']['private_dir'] = array(
        '#type' => 'textfield',
        '#title' => t('Location of files uploaded with CKEditor in the private folder'),
        '#default_value' => !empty($profile->settings['private_dir']) ? $profile->settings['private_dir'] : '',
        '#size' => 40,
        '#maxlength' => 255,
        '#description' => t('The path relative to the location of the private directory where CKEditor should store uploaded files.') . '<br />' . t('Available wildcard characters:') . '<br/><strong>%u</strong> - ' . t('User ID') . '<br /><strong>%n</strong> - ' . t('Username') . '<br />' . t('System path to the private folder is: !system_path.', array('!system_path' => realpath(variable_get('file_private_path', conf_path() . '/files')) . DIRECTORY_SEPARATOR)) . '<br />' . t('<strong>Warning:</strong> CKEditor does not implement any kind of access protection on files available in this location. All files stored in the directory defined above might be accessible by unauthenticated users if there is no information about the file in the Drupal\'s database.'),
    );
    if (function_exists('linktocontent_node_menu') && function_exists('pathfilter_filter')) {
        $form['ckeditor_advanced_settings']['linktoc'] = array(
            '#type' => 'select',
            '#options' => array('p' => t('Link to paths only'), 'n' => t('Link using internal: links'), 'pn' => t('Allow user to select between paths and internal links')),
            '#title' => t('Path Filter & Link To Content integration'),
            '#default_value' => empty($profile->settings['linktoc']) ? 'p' : $profile->settings['linktoc'],
            '#description' => t('With !plink extension it is possible to use internal: links. By default !link extension is linking to nodes using paths.', array('!plink' => l(t('Path Filter'), 'http://drupal.org/project/pathfilter'), '!link' => l(t('Link To Content'), 'http://drupal.org/project/linktocontent'))),
        );
    }

    $form['submit'] = array(
        '#type' => 'submit',
        '#value' => $btn
    );

    return $form;
}

/**
 * Form validation for a global profile
 */
function ckeditor_admin_global_profile_form_validate($form, &$form_state) {

}

/**
 * Submit form for a global profile
 */
function ckeditor_admin_global_profile_form_submit($form, &$form_state) {
    module_load_include('inc', 'ckeditor', 'includes/ckeditor.lib');
    $edit = & $form_state['values'];
    $edit['name'] = 'CKEditor Global Profile';

    if (isset($edit['_profile'])) {
        ckeditor_profile_delete($edit['_profile']->name);
    }

    //strip whitespaces
    if (empty($edit['ckeditor_local_path'])) {
        $edit['ckeditor_local_path'] = '';
    }
    else {
        $edit['ckeditor_local_path'] = trim($edit['ckeditor_local_path']);
    }

    //strip slash from the end
    if (empty($edit['ckeditor_path'])) {
        $edit['ckeditor_path'] = '';
    }
    $edit['ckeditor_path'] = trim(rtrim($edit['ckeditor_path'], "/"));
    if ($edit['ckeditor_path'] && 0 !== strpos($edit['ckeditor_path'], "/") && 0 !== strpos($edit['ckeditor_path'], "%")) {
        //ensure that slash is at the beginning
        $edit['ckeditor_path'] = "/" . $edit['ckeditor_path'];
    }
    //no slash at the end
    $edit['ckeditor_local_path'] = trim(rtrim($edit['ckeditor_local_path'], "/"));

    //strip whitespaces
     if (empty($edit['ckeditor_plugins_local_path'])) {
            $edit['ckeditor_plugins_local_path'] = '';
    }
    else {
        $edit['ckeditor_plugins_local_path'] = trim($edit['ckeditor_plugins_local_path']);
    }

    //strip slash from the end
    if (empty($edit['ckeditor_plugins_path'])) {
        $edit['ckeditor_plugins_path'] = '';
    }
    $edit['ckeditor_plugins_path'] = trim(rtrim($edit['ckeditor_plugins_path'], "/"));
    if ($edit['ckeditor_plugins_path'] && 0 !== strpos($edit['ckeditor_plugins_path'], "/") && 0 !== strpos($edit['ckeditor_plugins_path'], "%")) {
        //ensure that slash is at the beginning
        $edit['ckeditor_plugins_path'] = "/" . $edit['ckeditor_plugins_path'];
    }
    //no slash at the end
    $edit['ckeditor_plugins_path'] = trim(rtrim($edit['ckeditor_plugins_path'], "/"));
    
    $settings = ckeditor_admin_values_to_settings($edit);
    db_insert('ckeditor_settings')
            ->fields(array(
                "name" => $edit["name"],
                "settings" => $settings
            ))
            ->execute();

    drupal_set_message(t('CKEditor global profile has been saved.'));
    $form_state['redirect'] = 'admin/config/content/ckeditor';
}

/**
 * Form builder for a profile
 */
function ckeditor_admin_profile_form($form, $form_state, $profile = NULL) {
    global $theme;

    if ($profile != NULL) {
        $form['_profile'] = array(
            '#type' => 'value',
            '#value' => $profile,
        );
    }
    else {
        $profile = new stdClass();
    }

    module_load_include('inc', 'ckeditor', 'includes/ckeditor.lib');

    $skin_options = ckeditor_load_skin_options();
    $lang_options = ckeditor_load_lang_options();

    $form['basic'] = array(
        '#type' => 'fieldset',
        '#title' => t('Basic setup'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE
    );

    switch (arg(4)) {
        case 'clone':
            //load all profiles to check their names
            $profiles = ckeditor_profile_load();
            $oldname = $profile->name;
            $maxsize = 128;   //default max name length

            $res = array();
            $pat = "/^(.*?)_([0-9]+)$/";
            if (preg_match($pat, $oldname, $res)) {     // oldname like 'name_nr'
                $name = $res[1];
                $num = $res[2] + 1;
            }
            else {
                $name = $oldname;
                $num = 2;
            }

            $newname = substr($name, 0, $maxsize - 3) . '_' . $num;   // +limit
            while (isset($profiles[$newname])) {            //find next free number
                $num++;
                $newname = substr($name, 0, $maxsize - 3) . '_' . $num;
            }
            break;
        case 'edit':
            $newname = $profile->name;
            break;
    }

    $form['basic']['name'] = array(
        '#type' => 'textfield',
        '#title' => t('Profile name'),
        '#default_value' => !empty($profile->name) ? $newname : '',
        '#size' => 40,
        '#maxlength' => 128,
        '#description' => t('Enter a name for this profile. This name is only visible within the ckeditor administration page.'),
        '#required' => TRUE
    );

    $orig_formats = filter_formats();

    if (arg(4) == 'edit' && !empty($profile->name)) {
        $used_formats = db_select('ckeditor_input_format', 'f')->fields('f', array("format"))->distinct()->condition("f.name", array($profile->name), 'NOT IN')->execute()->fetchAllAssoc('format');
    }
    else {
        $profile->input_formats = array();
        $used_formats = db_select('ckeditor_input_format', 'f')->fields('f', array("format"))->distinct()->execute()->fetchAllAssoc('format');
    }
    
    $formats = array();
    foreach ($orig_formats AS $format) {
        if ( (arg(4) == 'edit' && !empty($profile->input_formats) && array_key_exists($format->format, $profile->input_formats)) || !array_key_exists($format->format, $used_formats) ) {
            $formats[$format->format] = $format->name;
        }
    }

    $form['basic']['input_formats'] = array(
        '#type' => 'checkboxes',
        '#title' => t('Input formats'),
        '#default_value' => !empty($profile->input_formats) ? array_keys((array) $profile->input_formats) : array(),
        '#options' => $formats,
        '#description' => t('Choose the input formats where you want to load CKEditor.')
    );

    $form['security'] = array(
        '#type' => 'fieldset',
        '#title' => t('Security'),
        '#description' => '<p>' . t('The CKEditor security system protects you from executing malicious code that is already in your database. In plain text areas database content is harmless because it is not executed, but the CKEditor WYSIWYG editor evaluates HTML like a web browser and content needs to be filtered before it is loaded.') . '</p>',
        '#collapsible' => TRUE,
        '#collapsed' => TRUE
    );

    $form['security']['filters'] = array(
        '#type' => 'fieldset',
        '#title' => t('Security filters'),
        '#description' => t('Please choose carefully all filters that protect your content (probably not all filters listed below are security filters).'),
        '#tree' => TRUE,
    );

    $all_filters = filter_get_filters();

    if (!isset($profile->settings['ss'])) {
        $profile->settings['filters']['filter/0'] = 1;
    }

    if (array_key_exists('filter_htmlcorrector', $all_filters)) {
        $form['security']['filters']['filter_htmlcorrector'] = array(
            '#type' => 'checkbox',
            '#title' => t("@data", array('@data' => $all_filters['filter_htmlcorrector']['title'])),
            '#default_value' => !empty($profile->settings['filters']['filter_htmlcorrector']),
            '#description' => t("@data", array('@data' => $all_filters['filter_htmlcorrector']['description'])),
        );
    }

    if (array_key_exists('filter_html', $all_filters)) {
        $form['security']['filters']['filter_html'] = array(
            '#type' => 'checkbox',
            '#title' => t("@data", array('@data' => $all_filters['filter_html']['title'])),
            '#default_value' => !empty($profile->settings['filters']['filter_html']),
            '#description' => t("@data", array('@data' => $all_filters['filter_html']['description'])),
        );
    }

    $form['security']['ss'] = array(
        '#type' => 'radios',
        '#title' => t('Security settings'),
        '#default_value' => isset($profile->settings['ss']) ? $profile->settings['ss'] : '2',
        '#options' => array(
            '2' => t('Always run security filters for CKEditor.'),
            '1' => t('Run security filters only when CKEditor is set to start automatically.'),
        ),
        //'#description' => t('There are two ways of starting CKEditor: automatically and manually (via toggle or in a popup). If you decide to apply security filters only when CKEditor starts automatically, you will not be protected when toggling manually from plain text area to CKEditor or when using CKEditor in a popup mode. So choose this option only, if you can detect various attacks (mainly XSS) by yourself just by looking at the HTML code.'),
        '#description' => t('There are two ways of starting CKEditor: automatically and manually (via toggle). If you decide to apply security filters only when CKEditor starts automatically, you will not be protected when toggling manually from plain text area to CKEditor. So choose this option only, if you can detect various attacks (mainly XSS) by yourself just by looking at the HTML code.'),
    );

    $form['appearance'] = array(
        '#type' => 'fieldset',
        '#title' => t('Editor appearance'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
    );

    $form['appearance']['default'] = array(
        '#type' => 'radios',
        '#title' => t('Default state'),
        '#default_value' => !empty($profile->settings['default']) ? $profile->settings['default'] : 't',
        '#options' => array(
            't' => t('Enabled'),
            'f' => t('Disabled')
        ),
        //'#description' => t('Default editor state. If disabled, rich text editor may still be enabled using toggle or popup window.'),
        '#description' => t('Default editor state. If disabled, rich text editor may still be enabled using toggle.'),
    );

    $form['appearance']['show_toggle'] = array(
        '#type' => 'radios',
        '#title' => t('Show disable/enable rich text editor toggle'),
        '#default_value' => !empty($profile->settings['show_toggle']) ? $profile->settings['show_toggle'] : 't',
        '#options' => array(
            't' => t('Show'),
            'f' => t('Hide')
        ),
        //'#description' => t('Whether or not to show the disable/enable rich text editor toggle below the textarea. Works only if CKEditor is not running in a popup window (see below).'),
        '#description' => t('Whether or not to show the disable/enable rich text editor toggle below the textarea.'),
    );
    /*
    $form['appearance']['popup'] = array(
        '#type' => 'radios',
        '#title' => t('Use CKEditor in a popup window'),
        '#default_value' => !empty($profile->settings['popup']) ? $profile->settings['popup'] : 'f',
        '#options' => array(
            'f' => t('No'),
            't' => t('Yes')
        ),
        '#description' => t('If this option is enabled a link to a popup window will be used instead of a textarea replace.'),
    );
    */
    $form['appearance']['skin'] = array(
        '#type' => 'select',
        '#title' => t('Skin'),
        '#default_value' => !empty($profile->settings['skin']) ? $profile->settings['skin'] : 'kama',
        '#options' => $skin_options,
        '#description' => t('Choose a default skin.'),
    );

    $ui_colors = array(
        "default" => t('CKEditor default'),
        "custom" => t('Select manually')
    );
    if (function_exists('color_get_palette')) {
        // apparently $theme is not initialized (?)
        if (empty($theme)) {
            init_theme();
        }
        $palette = @color_get_palette($theme, FALSE); //[#652274]
        $color_palette['default'] = '#D3D3D3';
        if (!empty($palette)) {
            if (!empty($palette['base'])) {
                $color_palette['color_base'] = $palette['base'];
                $ui_colors["color_base"] = t('Color module: base');
            }
            if (!empty($palette['top'])) {
                $color_palette['color_top'] = $palette['top'];
                $ui_colors["color_top"] = t('Color module: top');
            }
            if (!empty($palette['bottom'])) {
                $color_palette['color_bottom'] = $palette['bottom'];
                $ui_colors["color_bottom"] = t('Color module: bottom');
            }
        }
        drupal_add_js(array('ckeditor_uicolor' => $color_palette), 'setting');
    }

    $editor_path = ckeditor_path(FALSE);
    $module_drupal_path = drupal_get_path('module', 'ckeditor');
    drupal_add_js('window.CKEDITOR_BASEPATH = "' . base_path() . $editor_path . '/"', array('type' => 'inline', 'weight' => -100));
    drupal_add_js($editor_path . '/ckeditor.js', array('type' => 'file', 'preprocess' => FALSE));
    drupal_add_js($module_drupal_path . '/ckeditor.config.js', 'file');
    drupal_add_js($module_drupal_path . '/includes/ckeditor.admin.js', 'file');

    $form['appearance']['uicolor'] = array(
        '#type' => 'select',
        '#title' => t('User Interface color'),
        '#default_value' => !empty($profile->settings['uicolor']) ? $profile->settings['uicolor'] : 'default',
        '#options' => $ui_colors,
        '#description' => t('Works only with "!skin" skin.',
                array(
                    '!skin' => 'Kama'
        )),
    );
    $form['appearance']['uicolor_textarea'] = array(
        '#type' => 'textarea',
        '#title' => '',
        '#default_value' => 'Click on the <strong>UI Color Picker</strong> button to set your color preferences.',
        '#attributes' => array('style' => 'display:none', 'class' => array('ckeditor_ui_demo')),
        '#resizable' => FALSE,
        '#wysiwyg' => FALSE
    );
    $form['appearance']['uicolor_user'] = array(
        '#type' => 'hidden',
        '#default_value' => !empty($profile->settings['uicolor_user']) ? $profile->settings['uicolor_user'] : 'default',
    );

    $form['appearance']['toolbar'] = array(
        '#type' => 'textarea',
        '#title' => t('Toolbar'),
        '#default_value' => !empty($profile->settings['toolbar']) ? $profile->settings['toolbar'] : '',
        '#description' => t('Set the toolbar definition. The instruction is available in the <a href="http://docs.cksource.com/CKEditor_3.x/Developers_Guide/Toolbar" target="_blank">CKEditor documentation</a>.<br /> Load sample toolbar: <a href="#" id="cke_toolbar_DrupalBasic" class="cke_load_toolbar">Basic</a> | <a href="#" id="cke_toolbar_DrupalAdvanced" class="cke_load_toolbar">Advanced</a> | <a href="#" id="cke_toolbar_DrupalFull" class="cke_load_toolbar">Full</a>'),
        '#wysiwyg' => FALSE,
        '#rows' => 15
    );
    
    $plugin_list = ckeditor_load_plugins();
    $plugins = array();
    if (isset($profile->settings['loadPlugins'])) {
        foreach ($plugin_list AS $key => $val) {
            $plugins[$key] = $val['desc'];
        }
    }
    else {
        $default_plugins = array();
        foreach ($plugin_list AS $key => $val) {
            $plugins[$key] = $val['desc'];
            if ($val['default'] == 't') {
                $default_plugins[] = $key;
            }
        }
    }

    $form['appearance']['loadPlugins'] = array(
        '#type' => 'checkboxes',
        '#title' => t('Plugins'),
        '#default_value' => isset($profile->settings['loadPlugins']) ? array_keys((array) $profile->settings['loadPlugins']) : $default_plugins,
        '#options' => $plugins,
        '#description' => t('Choose the plugins which u want to load into CKEditor.')
    );

    $form['appearance']['expand'] = array(
        '#type' => 'radios',
        '#title' => t('Start the toolbar expanded'),
        '#default_value' => !empty($profile->settings['expand']) ? $profile->settings['expand'] : 't',
        '#options' => array(
            't' => t('Expanded'),
            'f' => t('Collapsed')
        ),
        '#description' => t('The toolbar start expanded or collapsed.'),
    );

    $form['appearance']['width'] = array(
        '#type' => 'textfield',
        '#title' => t('Width'),
        '#default_value' => !empty($profile->settings['width']) ? $profile->settings['width'] : '100%',
        '#description' => t("Width in pixels or percent. Example: 400 or 100%."),
        '#size' => 40,
        '#maxlength' => 128,
    );

    $form['appearance']['lang'] = array(
        '#type' => 'select',
        '#title' => t('Language'),
        '#default_value' => !empty($profile->settings['lang']) ? $profile->settings['lang'] : 'en',
        '#options' => $lang_options,
        '#description' => t('The language for the CKEditor interface.')
    );

    $form['appearance']['auto_lang'] = array(
        '#type' => 'radios',
        '#title' => t('Auto-detect language'),
        '#default_value' => !empty($profile->settings['auto_lang']) ? $profile->settings['auto_lang'] : 't',
        '#options' => array(
            't' => t('Enabled'),
            'f' => t('Disabled')
        ),
        '#description' => t('Use auto detect user language feature.')
    );

    $form['appearance']['language_direction'] = array(
        '#type' => 'select',
        '#title' => t('Language Direction'),
        '#default_value' => !empty($profile->settings['language_direction']) ? $profile->settings['language_direction'] : 'default',
        '#options' => array(
            'default' => t('Get from current locale (default)'),
            'ltr' => t('Left-To-Right'), // language (like English)
            'rtl' => t('Right-To-Left') // languages (like Arabic)
        ),
        '#description' => t('Choose language direction used in the editing area. Even when CKEditor auto detects user language and adjusts it\'s user interface, the editing area is not automatically changed into LTR or RTL mode. To be able to type LTR (like English) and RTL (like Arabic, Hebrew, Persian) content at the same time, please make sure that the <i>BidiLtr</i> and <i>BidiRtl</i> buttons are anabled in the toolbar.')
    );

    $form['output'] = array(
        '#type' => 'fieldset',
        '#title' => t('Cleanup and output'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
    );

    $form['output']['enter_mode'] = array(
        '#type' => 'select',
        '#title' => t('Enter mode'),
        '#default_value' => !empty($profile->settings['enter_mode']) ? $profile->settings['enter_mode'] : 'p',
        '#options' => array(
            'p' => '<p>',
            'br' => '<br>',
            'div' => '<div>'
        ),
        '#description' => t('Set which tag CKEditor should use when [Enter] key is pressed.')
    );

    $form['output']['shift_enter_mode'] = array(
        '#type' => 'select',
        '#title' => t('Shift + Enter mode'),
        '#default_value' => !empty($profile->settings['shift_enter_mode']) ? $profile->settings['shift_enter_mode'] : 'br',
        '#options' => array(
            'p' => '<p>',
            'br' => '<br>',
            'div' => '<div>'
        ),
        '#description' => t('Set which tag CKEditor should use when [Shift] + [Enter] is pressed.')
    );

    $form['output']['font_format'] = array(
        '#type' => 'textfield',
        '#title' => t('Font formats'),
        '#default_value' => !empty($profile->settings['font_format']) ? $profile->settings['font_format'] : 'p;div;pre;address;h1;h2;h3;h4;h5;h6',
        '#size' => 40,
        '#maxlength' => 250,
        '#description' => t('Semicolon separated list of HTML font formats. Allowed values are: p;div;pre;address;h1;h2;h3;h4;h5;h6'),
    );

    if (!empty($profile->settings['formatting']['custom_formatting_options'])) {
        foreach ($profile->settings['formatting']['custom_formatting_options'] as $k => $v) {
            if ($v === 0) {
                unset($profile->settings['formatting']['custom_formatting_options'][$k]);
            }
        }
    }

    $form['output']['custom_formatting'] = array(
        '#type' => 'radios',
        '#title' => t('Use custom formatting options'),
        '#default_value' => !empty($profile->settings['custom_formatting']) ? $profile->settings['custom_formatting'] : 'f',
        '#options' => array(
            't' => t('Yes'),
            'f' => t('No'),
        ),
    );

    $form['output']['formatting'] = array(
        '#type' => 'fieldset',
        '#title' => t('Custom formatting options'),
        '#tree' => TRUE,
    );

    $form['output']['formatting']['custom_formatting_options'] = array(
        '#type' => 'checkboxes',
        '#default_value' => isset($profile->settings['formatting']['custom_formatting_options']) ? array_keys((array) $profile->settings['formatting']['custom_formatting_options']) : array('indent' => 'indent', 'breakBeforeOpen' => 'breakBeforeOpen', 'breakAfterOpen' => 'breakAfterOpen', 'breakAfterClose' => 'breakAfterClose'),
        '#options' => array(
            'indent' => t('indent the element contents'),
            'breakBeforeOpen' => t('break line before the opener tag'),
            'breakAfterOpen' => t('break line after the opener tag'),
            'breakBeforeClose' => t('break line before the closer tag'),
            'breakAfterClose' => t('break line after the closer tag'),
            'pre_indent' => t('indent the &lt;pre&gt; element contents'),
        ),
    );

    $form['css'] = array(
        '#type' => 'fieldset',
        '#title' => t('CSS'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE
    );

    $form['css']['css_mode'] = array(
        '#type' => 'select',
        '#title' => t('Editor CSS'),
        '#default_value' => !empty($profile->settings['css_mode']) ? $profile->settings['css_mode'] : 'theme',
        '#options' => array(
            'theme' => t('Use theme css'),
            'self' => t('Define css'),
            'none' => t('CKEditor default')
        ),
        '#description' => t('Defines the CSS to be used in the editor area.<br />Use theme css - load style.css from current site theme.<br/>Define css - enter path for css file below.<br />CKEditor default - uses default CSS from editor.')
    );

    $form['css']['css_path'] = array(
        '#type' => 'textfield',
        '#title' => t('CSS path'),
        '#default_value' => !empty($profile->settings['css_path']) ? $profile->settings['css_path'] : "",
        '#size' => 40,
        '#maxlength' => 255,
        '#description' => t('Enter path to CSS file (Example: !example1) or a list of css files separated by a comma (Example: !example2). Make sure to select "Define css" above.',
                array(
                    '!example1' => '"css/editor.css"',
                    '!example2' => '"/themes/garland/style.css,http://example.com/style.css"',
        )) .
        '<br />' .
        t('Available placeholders:!h - host name (!host).!t - path to theme (!theme).',
                array(
                    '!h' => '<br /><strong>%h</strong>',
                    '!t' => '<br /><strong>%t</strong>',
                    '!host' => base_path(),
                    '!theme' => base_path() . path_to_theme() . '/'
        ))
    );

    $form['css']['css_style'] = array(
        '#type' => 'select',
        '#title' => t('Predefined styles'),
        '#default_value' => !empty($profile->settings['css_style']) ? $profile->settings['css_style'] : 'theme',
        '#options' => array(
            'theme' => t('Use theme ckeditor.styles.js'),
            'self' => t('Define path to ckeditor.styles.js'),
            'default' => t('CKEditor default')
        ),
        '#description' => t('Define the location of "ckeditor.styles.js" file. It is used by the "Style" dropdown list available in the default toolbar. Copy "!ckeditor.styles.js" inside your theme directory ("!theme") and adjust it to your needs.', array('!ckeditor.styles.js' => ckeditor_path(TRUE) . '/ckeditor.styles.js', '!theme' => path_to_theme() . '/ckeditor.styles.js'))
    );

    $form['css']['styles_path'] = array(
        '#type' => 'textfield',
        '#title' => t('Predefined styles path'),
        '#default_value' => !empty($profile->settings['styles_path']) ? $profile->settings['styles_path'] : "",
        '#size' => 40,
        '#maxlength' => 255,
        '#description' => t('Enter path to a file with predefined styles (Example: "!example1"). Be sure to select "define path to ckeditor.styles.js" above.',
                array(
                    '!example1' => '/ckeditor.styles.js'
                )
        ) .
        '<br />' .
        t('Available placeholders:!h - host name (!host).!t - path to theme (!theme).!m - path to CKEditor module (!module).',
                array(
                    '!h' => '<br /><strong>%h</strong>',
                    '!t' => '<br /><strong>%t</strong>',
                    '!m' => '<br /><strong>%m</strong>',
                    '!host' => base_path(),
                    '!theme' => base_path() . path_to_theme() . '/',
                    '!module' => drupal_get_path('module', 'ckeditor')
                )
        )
    );

    $form['ckeditor_upload_settings'] = array(
        '#type' => 'fieldset',
        '#title' => t('File browser settings'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
        //'#description' => t('Set file browser settings. A file browser will allow you to explore the files contained on the server and embed them as links, images or flash movies. CKEditor is compatible with contributed modules like <a href="!imce">IMCE</a>, <a href="!ib">Image Browser</a> or <a href="!webfm">Web File Manager</a>. CKEditor can be also integrated with <a href="!ckfinder">CKFinder</a>.', array('!imce' => url('http://drupal.org/project/imce'), '!ib' => url('http://drupal.org/project/imagebrowser'), '!webfm' => url('http://drupal.org/project/webfm'), '!readme' => url('admin/help/ckeditor'), '!ckfinder' => url('http://ckfinder.com')))
        '#description' => t('Set file browser settings. A file browser will allow you to explore the files contained on the server and embed them as links, images or flash movies. CKEditor is compatible with contributed modules like <a href="!imce">IMCE</a>, <a href="!elfinder">elFinder</a>. CKEditor can be also integrated with <a href="!ckfinder">CKFinder</a>.', array('!imce' => url('http://drupal.org/project/imce'), '!elfinder' => url('http://drupal.org/project/elfinder'), '!readme' => url('admin/help/ckeditor'), '!ckfinder' => url('http://ckfinder.com')))
    );

    $filebrowsers = array(
        'none' => t('None'),
        'ckfinder' => t('CKFinder'),
    );

    $filebrowsers_dialogs = array(
        '' => t('Same as in Link dialog'),
        'ckfinder' => t('CKFinder'),
    );

    if (module_exists('imce')) {
        $filebrowsers['imce'] = t('IMCE');
        $filebrowsers_dialogs['imce'] = t('IMCE');
    }

   if (module_exists('elfinder')) {
        $filebrowsers['elfinder'] = t('elFinder');
        $filebrowsers_dialogs['elfinder'] = t('elFinder');
    }

    /* MODULES NOT PORTED TO D7
    if (module_exists('tinybrowser')) {
        $filebrowsers['tinybrowser'] = t('TinyBrowser');
        $filebrowsers_dialogs['tinybrowser'] = t('TinyBrowser');
    }

    if (module_exists('imagebrowser')) {
        $filebrowsers['ib'] = t('Image Browser');
        $filebrowsers_dialogs['ib'] = t('Image Browser');
    }

    if (module_exists('webfm_popup')) {
        $filebrowsers['webfm'] = t('Web File Manager');
        $filebrowsers_dialogs['webfm'] = t('Web File Manager');
    }
    */
    $form['ckeditor_upload_settings']['filebrowser'] = array(
        '#type' => 'select',
        '#title' => t('File browser type (Link dialog)'),
        '#default_value' => !empty($profile->settings['filebrowser']) ? $profile->settings['filebrowser'] : 'none',
        '#options' => $filebrowsers,
        '#description' => t('Select the file browser that you would like to use to upload files.'),
    );

    $form['ckeditor_upload_settings']['filebrowser_image'] = array(
        '#type' => 'select',
        '#title' => t('File browser type (Image dialog)'),
        '#default_value' => !empty($profile->settings['filebrowser_image']) ? $profile->settings['filebrowser_image'] : 'none',
        '#options' => $filebrowsers_dialogs,
        '#description' => t('Select the file browser that you would like to use to upload images.'),
    );

    $form['ckeditor_upload_settings']['filebrowser_flash'] = array(
        '#type' => 'select',
        '#title' => t('File browser type (Flash dialog)'),
        '#default_value' => !empty($profile->settings['filebrowser_flash']) ? $profile->settings['filebrowser_flash'] : 'none',
        '#options' => $filebrowsers_dialogs,
        '#description' => t('Select the file browser that you would like to use to upload flash movies.'),
    );

    $current_user_files_path = empty($profile->settings['UserFilesPath']) ? "" : strtr($profile->settings['UserFilesPath'], array("%f" => variable_get('file_private_path', conf_path() . '/files'), "%u" => "UID", "%b" => base_path(), "%n" => "UNAME"));
    $current_user_files_absolute_path = empty($profile->settings['UserFilesAbsolutePath']) ? "" : strtr($profile->settings['UserFilesAbsolutePath'], array("%f" => variable_get('file_private_path', conf_path() . '/files'), "%u" => "UID", "%b" => base_path(), "%d" => $_SERVER['DOCUMENT_ROOT'], "%n" => "UNAME"));

    $form['ckeditor_upload_settings']['UserFilesPath'] = array(
        '#type' => 'textfield',
        '#prefix' => '<fieldset><legend>' . t('CKFinder settings') . '</legend>',
        '#title' => t('Path to uploaded files'),
        '#default_value' => !empty($profile->settings['UserFilesPath']) ? $profile->settings['UserFilesPath'] : "%b%f/",
        '#size' => 40,
        '#maxlength' => 255,
        '#description' => t('Path to uploaded files relative to the document root.') .
        '<br />' .
        t('Available placeholders:!b - base URL path of the Drupal installation (!base).!f - Drupal file system path where the files are stored (!files).!u - User ID.!n - Username.<br />Current path: !path',
                array(
                    '!n' => '<br /><strong>%n</strong>',
                    '!u' => '<br /><strong>%u</strong>',
                    '!f' => '<br/><strong>%f</strong>',
                    '!b' => '<br/><strong>%b</strong>',
                    '!path' => $current_user_files_path,
                    '!files' => variable_get('file_private_path', conf_path() . '/files'),
                    '!base' => base_path()
                )
        )
    );

    $form['ckeditor_upload_settings']['UserFilesAbsolutePath'] = array(
        '#type' => 'textfield',
        '#title' => t('Absolute path to uploaded files'),
        '#default_value' => !empty($profile->settings['UserFilesAbsolutePath']) ? $profile->settings['UserFilesAbsolutePath'] : "%d%b%f/",
        '#size' => 40,
        '#maxlength' => 255,
        '#suffix' => '</fieldset>',
        '#description' => t('The path to the local directory (in the server) which points to the path defined above. If empty, CKEditor will try to discover the right path.') .
        '<br />' .
        t('Available placeholders:!d - server path to document root (!root).!b - base URL path of the Drupal installation (!base).!f - Drupal file system path where the files are stored (!files).!u - User ID.!n - Username.<br />Current path: !path',
                array(
                    '!u' => '<br /><strong>%u</strong>',
                    '!n' => '<br /><strong>%n</strong>',
                    '!d' => '<br/><strong>%d</strong>',
                    '!b' => '<br /><strong>%b</strong>',
                    '!f' => '<br/><strong>%f</strong>',
                    '!path' => $current_user_files_absolute_path,
                    '!files' => variable_get('file_private_path', conf_path() . '/files'),
                    '!base' => base_path(),
                    '!root' => $_SERVER['DOCUMENT_ROOT']
                )
        )
    );
    /* @todo DOWNLOAD API
      if (variable_get('file_downloads', '') == FILE_DOWNLOADS_PRIVATE) {
      $form['ckeditor_upload_settings']['UserFilesPath']['#description'] = t('Setting relative path to uploaded files has been disabled because private downloads are enabled and this path is calculated automatically. To change the location of uploaded files in the private file system, edit the <a href="!url">CKEditor Global Profile</a>.', array('!url' => url('admin/config/content/ckeditor/editg')));
      $form['ckeditor_upload_settings']['UserFilesPath']['#disabled'] = TRUE;
      $form['ckeditor_upload_settings']['UserFilesAbsolutePath']['#description'] = t('Setting path to uploaded files has been disabled because private downloads are enabled and this path is calculated automatically.To change the location of uploaded files in the private file system, edit the <a href="!url">CKEditor Global Profile</a>.', array('!global' => url('admin/config/content/ckeditor/editg')));
      $form['ckeditor_upload_settings']['UserFilesAbsolutePath']['#disabled'] = TRUE;
      }
     */
    $form['advanced'] = array(
        '#type' => 'fieldset',
        '#title' => t('Advanced options'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
    );
    $form['advanced']['ckeditor_load_method'] = array(
        '#type' => 'select',
        '#title' => t('Load method'),
        '#default_value' => !empty($profile->settings['ckeditor_load_method']) ? $profile->settings['ckeditor_load_method'] : 'ckeditor.js',
        '#options' => _ckeditor_load_methods(),
        '#description' => t('Select the load method of CKEditor. If ckeditor_basic.js is used, only a small file is initially loaded and the rest part of the editor is loaded later (see "Load timeout"). This might be handy if CKEditor is disabled by default.'),
    );
    $form['advanced']['ckeditor_load_time_out'] = array(
        '#type' => 'textfield',
        '#title' => t('Load timeout'),
        '#default_value' => !empty($profile->settings['ckeditor_load_time_out']) ? $profile->settings['ckeditor_load_time_out'] : "0",
        '#size' => 40,
        '#maxlength' => 255,
        '#description' => t('The time to wait (in seconds) to load the full editor code after the page load, if the "ckeditor_basic.js" file is used. If set to zero, the editor is loaded on demand.'),
    );
    $form['advanced']['forcePasteAsPlainText'] = array(
        '#type' => 'select',
        '#title' => t('Force pasting as plain text'),
        '#default_value' => !empty($profile->settings['forcePasteAsPlainText']) ? $profile->settings['forcePasteAsPlainText'] : "f",
        '#options' => array(
            't' => t('Enabled'),
            'f' => t('Disabled')
        ),
        '#description' => t('If enabled, HTML content will be automatically changed to plain text when pasting.'),
    );
    $form['advanced']['html_entities'] = array(
        '#type' => 'radios',
        '#title' => t('HTML Entities'),
        '#default_value' => !empty($profile->settings['html_entities']) ? $profile->settings['html_entities'] : 't',
        '#description' => t('Convert all applicable characters to HTML entities.'),
        '#options' => array(
            'f' => t('No'),
            't' => t('Yes')
        ),
    );
    $form['advanced']['scayt_autoStartup'] = array(
        '#type' => 'radios',
        '#title' => t('Spell checker'),
        '#default_value' => !empty($profile->settings['scayt_autoStartup']) ? $profile->settings['scayt_autoStartup'] : 'f',
        '#description' => t('If enabled, turns on SCAYT (Spell Check As You Type) automatically after loading the editor.'),
        '#options' => array(
            'f' => t('No'),
            't' => t('Yes')
        ),
    );
    $form['advanced']['theme_config_js'] = array(
        '#type' => 'radios',
        '#title' => t('Load ckeditor.config.js from theme path'),
        '#default_value' => !empty($profile->settings['theme_config_js']) ? $profile->settings['theme_config_js'] : 'f',
        '#options' => array(
            't' => t('Yes'),
            'f' => t('No')
        ),
        '#description' => t('When set to "true" the editor will try to load the ckeditor.config.js file from theme directory.'),
    );
    $form['advanced']['js_conf'] = array(
        '#type' => 'textarea',
        '#title' => t('Custom javascript configuration'),
        '#default_value' => !empty($profile->settings['js_conf']) ? $profile->settings['js_conf'] : "",
        '#cols' => 60,
        '#rows' => 5,
        '#description' => t('To change CKEditor configuration globally, you should modify the config file: "!ckeditor_config". Sometimes it is required to change the CKEditor configuration for a single profile only. Use this box to define settings that are unique for this profile. Available options are listed in the <a href="!docs">CKEditor documentation</a>. Add the following code snippet to change available fonts in combo boxes in CKEditor: <pre>@code</pre><strong>Warning</strong>: If you make something wrong here, CKEditor may fail to load.', array('!ckeditor_config' => drupal_get_path('module', 'ckeditor') . "/ckeditor.config.js", '!docs' => 'http://docs.cksource.com/ckeditor_api/symbols/CKEDITOR.config.html', '@code' => "config.fontSize_sizes = '16/16px;24/24px;48/48px;'\nconfig.font_names = 'Arial;Times New Roman;Verdana'")),
        '#wysiwyg' => FALSE,
    );

    $form['submit'] = array(
        '#type' => 'submit',
        '#value' => t('Save')
    );

    return $form;
}

/**
 * Form validation for a profile.
 */
function ckeditor_admin_profile_form_validate($form, &$form_state) {
    $edit = & $form_state['values'];
    /*
    if ($edit['default'] == 't' && $edit['popup'] == 't') {
        form_set_error('popup', t('If CKEditor is enabled by default, popup window must be disabled.'));
    }

    if ($edit['show_toggle'] == 't' && $edit['popup'] == 't') {
        form_set_error('popup', t('If toggle is enabled, popup window must be disabled.'));
    }
    */
    if (!$edit['name']) {
        form_set_error('name', t('You must give a profile name.'));
    }
    elseif (!preg_match('/^[A-Za-z0-9_]+$/', $edit['name'])) {
        form_set_error('name', t('Enter valid profile name. Only alphanumeric and underscore characters are allowed.'));
    }
    elseif ($edit['name'] == 'CKEditor Global Profile') {
        form_set_error('name', t('This profile name is reserved. Please choose a different name.'));
    }
    elseif (!isset($edit['_profile']) || ($edit['_profile']->name != $edit['name'])) {
        $result = ckeditor_profile_load($edit['name']);
        if (!empty($result)) {
            form_set_error('name', t('The profile name must be unique. A profile with this name already exists.'));
        }
    }

    if (!preg_match('/^\d+%?$/', $edit['width'])) {
        form_set_error('width', t('Enter valid width. Example: 400 or 100%.'));
    }

    if (!empty($edit['css_path'])) {
        if ($edit['css_mode'] != 'self') {
            form_set_error('css_path', t('CSS path is not empty. Please set the "Editor CSS" option to "define css" mode.'));
        }
        elseif (FALSE !== strpos($edit['css_path'], '"')) {
            form_set_error('css_path', t('Double quotes are not allowed in CSS path.'));
        }
        elseif (substr($edit['css_path'], 0, 1) == "'" && substr($edit['css_path'], -1) == "'") {
            form_set_error('css_path', t('Enter valid path, do not surround it with quotes.'));
        }
    }

    if (!empty($edit['styles_path'])) {
        if ($edit['css_style'] != 'self') {
            form_set_error('styles_path', t('Path to predefined styles is not empty. Please set the "Predefined styles" option to "define path to ckeditor.styles.js" mode.'));
        }
        elseif (FALSE !== strpos($edit['styles_path'], '"')) {
            form_set_error('styles_path', t('Double quotes are not allowed in path.'));
        }
        elseif (substr($edit['styles_path'], 0, 1) == "'" && substr($edit['styles_path'], -1) == "'") {
            form_set_error('styles_path', t('Enter valid path, do not surround it with quotes.'));
        }
    }

    if (!empty($edit['font_format'])) {
        if (!preg_match("/^((p|div|pre|address|h1|h2|h3|h4|h5|h6);)*(p|div|pre|address|h1|h2|h3|h4|h5|h6)$/", $edit['font_format'])) {
            form_set_error('font_format', t('Enter valid, semicolon separated, list of HTML font formats (no semicolon at the end of list expected).'));
        }
    }
    // @todo DOWNLOAD API
    if (!empty($edit['UserFilesAbsolutePath']) && empty($edit['UserFilesPath'])) {
        form_set_error('UserFilesPath', t('Path to uploaded files is required.'));
    }
    if (!empty($edit['UserFilesPath']) && empty($edit['UserFilesAbsolutePath'])) {
        form_set_error('UserFilesPath', t('Absolute path to uploaded files is required.'));
    }

    $load_methods = _ckeditor_load_methods();
    if (!isset($load_methods[$edit['ckeditor_load_method']])) {
        form_set_error('ckeditor_load_method', t('Set valid load method.'));
    }
    if (!preg_match('#\d+#', $edit['ckeditor_load_time_out'])) {
        form_set_error('ckeditor_load_time_out', t('Enter valid load timeout in seconds.'));
    }

    if (!preg_match('#^\s*\[(?:\s*(?:\{\s*[\w:\'" ,]*\s*\[(?:\s*([\'\"\"])(?:\w+|-)\1\s*[,]?\s*)+\]\s*\}|([\'\"\"])\/\2)\s*[,]?\s*)+\]\s*$#U', $edit['toolbar']) && !preg_match('#^\s*\[(?:\s*(?:\[(?:\s*([\'\"\"])(?:\w+|-)\1\s*[,]?\s*)+\]|([\'\"\"])\/\2)\s*[,]?\s*)+\]\s*$#', $edit['toolbar'])) {
        form_set_error('toolbar', t('Enter valid toolbar configuration.'));
    }
}

/**
 * Form submit for a profile
 */
function ckeditor_admin_profile_form_submit($form, &$form_state) {
    $edit = & $form_state['values'];

    if (isset($edit['_profile'])) {
        ckeditor_profile_delete($edit['_profile']->name);
        drupal_set_message(t('Your CKEditor profile has been updated.'));
    }
    else {
        drupal_set_message(t('Your CKEditor profile has been created.'));
    }

    $settings = ckeditor_admin_values_to_settings($edit);
    db_insert('ckeditor_settings')
            ->fields(array(
                "name" => $edit['name'],
                "settings" => $settings
            ))
            ->execute();

    if (!empty($edit['input_formats'])) {
        foreach (array_keys($edit['input_formats']) as $format) {
            if ($edit['input_formats'][$format] != '0') {
                db_insert('ckeditor_input_format')->fields(array("name" => $edit['name'], "format" => $format))->execute();
            }
        }
    }

    $form_state['redirect'] = 'admin/config/content/ckeditor';
}

/**
 * Form builder for a clone profile
 */
function ckeditor_admin_profile_clone_form($form, $form_state, $oldprofile) {
    return ckeditor_admin_profile_form($form, $form_state, $oldprofile);
}

/**
 * Form validation for a clone profile
 */
function ckeditor_admin_profile_clone_form_validate($form_state, $oldprofile) {
    ckeditor_admin_profile_form_validate($form_state, $oldprofile);
}

/**
 * Form submit for a clone profile
 */
function ckeditor_admin_profile_clone_form_submit($form, &$form_state) {
    $edit = & $form_state['values'];
    drupal_set_message(t('Your CKEditor profile has been created.'));
    $settings = ckeditor_admin_values_to_settings($edit);
    db_insert('ckeditor_settings')
            ->fields(array(
                "name" => $edit['name'],
                "settings" => $settings
            ))
            ->execute();

    if (!empty($edit['input_formats'])) {
        foreach (array_keys($edit['input_formats']) as $format) {
            if ($edit['input_formats'][$format] != 0) {
                db_insert('ckeditor_input_format')->fields(array("name" => $edit['name'], "format" => $format))->execute();
            }
        }
    }
    
    $form_state['redirect'] = 'admin/config/content/ckeditor';
}

/**
 * Form builder for a profile delete
 */
function ckeditor_admin_profile_delete_form($form, $form_state, $profile) {
    $form = array();

    $form['_profile'] = array(
        '#type' => 'value',
        '#value' => $profile,
    );

    $form['question'] = array(
        '#type' => 'item',
        '#markup' => t('Are you sure that you want to delete the CKEditor profile %profile?', array('%profile' => $profile->name)),
    );

    $form['delete'] = array(
        '#type' => 'submit',
        '#id' => 'delete',
        '#value' => t('Delete'),
    );

    $form['back'] = array(
        '#type' => 'submit',
        '#id' => 'back',
        '#value' => t('Cancel'),
    );

    return $form;
}

/**
 * Submit form for a profile delete
 */
function ckeditor_admin_profile_delete_form_submit($form, &$form_state) {
    $v = & $form_state['values'];

    if ($form_state['clicked_button']['#id'] == 'delete') {
        ckeditor_profile_delete($v['_profile']->name);
        drupal_set_message(t('Deleted CKEditor profile.'));
    }

    $form_state['redirect'] = 'admin/config/content/ckeditor';
}

/**
 * Converts an array of form values to a serialized array that does not
 * contain Drupal Form API values
 */
function ckeditor_admin_values_to_settings($values) {
    $plugins = array();
    if (isset($values['loadPlugins'])) {
        $plugins = $values['loadPlugins'];
    }
    unset($values['name'], $values['input_formats'], $values['_profile'], $values['op'], $values['submit'], $values['form_build_id'], $values['form_token'], $values['form_id'], $values['loadPlugins']);
    
    module_load_include('inc', 'ckeditor', 'includes/ckeditor.lib');
    $plugin_list = ckeditor_load_plugins();
    $values['loadPlugins'] = array();
    if (!empty($plugins)) {
        foreach (array_keys($plugins) as $plugin) {
            if ($plugins[$plugin] != '0') {
                $values['loadPlugins'][$plugin] = $plugin_list[$plugin];
            }
        }
    }

    return serialize($values);
}

/**
 * Remove a profile from the database.
 */
function ckeditor_profile_delete($name) {
    db_delete('ckeditor_settings')
            ->condition('name', $name)
            ->execute();
    db_delete('ckeditor_input_format')
            ->condition('name', $name)
            ->execute();
}

/*
 * List of CKEditor librares to load
 */
function _ckeditor_load_methods() {
    module_load_include('module', 'ckeditor');
    $result = array('ckeditor.js' => 'ckeditor.js');
    if (file_exists(ckeditor_path(TRUE) . '/ckeditor_basic.js')) {
        $result['ckeditor_basic.js'] = 'ckeditor_basic.js';
    }
    if (file_exists(ckeditor_path(TRUE) . '/ckeditor_source.js')) {
        $result['ckeditor_source.js'] = 'ckeditor_source.js (' . t('for developers only') . ')';
    }
    return $result;
}

/*
 * Disable WYSIWYG module
 */
function ckeditor_disable_wysiwyg() {
    module_disable(array('wysiwyg'));
    drupal_set_message(t('WYSIWYG module disabled.'));

    drupal_goto('admin/config/content/ckeditor');
}