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<?php/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2019 - 2022, CodeIgniter Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package    CodeIgniter
 * @author    EllisLab Dev Team
 * @copyright    Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 * @copyright    Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
 * @copyright    Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
 * @license    https://opensource.org/licenses/MIT    MIT License
 * @link    https://codeigniter.com
 * @since    Version 1.0.0
 * @filesource
 */
 defined('BASEPATH') OR exit('No direct script access allowed');
 
 /**
 * CodeIgniter Smiley Helpers
 *
 * @package        CodeIgniter
 * @subpackage    Helpers
 * @category    Helpers
 * @author        EllisLab Dev Team
 * @link        https://codeigniter.com/userguide3/helpers/smiley_helper.html
 * @deprecated    3.0.0    This helper is too specific for CI.
 */
 
 // ------------------------------------------------------------------------
 
 if ( ! function_exists('smiley_js'))
 {
 /**
 * Smiley Javascript
 *
 * Returns the javascript required for the smiley insertion.  Optionally takes
 * an array of aliases to loosely couple the smiley array to the view.
 *
 * @param    mixed    alias name or array of alias->field_id pairs
 * @param    string    field_id if alias name was passed in
 * @param    bool
 * @return    array
 */
 function smiley_js($alias = '', $field_id = '', $inline = TRUE)
 {
 static $do_setup = TRUE;
 $r = '';
 
 if ($alias !== '' && ! is_array($alias))
 {
 $alias = array($alias => $field_id);
 }
 
 if ($do_setup === TRUE)
 {
 $do_setup = FALSE;
 $m = array();
 
 if (is_array($alias))
 {
 foreach ($alias as $name => $id)
 {
 $m[] = '"'.$name.'" : "'.$id.'"';
 }
 }
 
 $m = '{'.implode(',', $m).'}';
 
 $r .= <<<EOF
 var smiley_map = {$m};
 
 function insert_smiley(smiley, field_id) {
 var el = document.getElementById(field_id), newStart;
 
 if ( ! el && smiley_map[field_id]) {
 el = document.getElementById(smiley_map[field_id]);
 
 if ( ! el)
 return false;
 }
 
 el.focus();
 smiley = " " + smiley;
 
 if ('selectionStart' in el) {
 newStart = el.selectionStart + smiley.length;
 
 el.value = el.value.substr(0, el.selectionStart) +
 smiley +
 el.value.substr(el.selectionEnd, el.value.length);
 el.setSelectionRange(newStart, newStart);
 }
 else if (document.selection) {
 document.selection.createRange().text = smiley;
 }
 }
 EOF;
 }
 elseif (is_array($alias))
 {
 foreach ($alias as $name => $id)
 {
 $r .= 'smiley_map["'.$name.'"] = "'.$id."\";\n";
 }
 }
 
 return ($inline)
 ? '<script type="text/javascript" charset="utf-8">/*<![CDATA[ */'.$r.'// ]]></script>'
 : $r;
 }
 }
 
 // ------------------------------------------------------------------------
 
 if ( ! function_exists('get_clickable_smileys'))
 {
 /**
 * Get Clickable Smileys
 *
 * Returns an array of image tag links that can be clicked to be inserted
 * into a form field.
 *
 * @param    string    the URL to the folder containing the smiley images
 * @param    array
 * @return    array
 */
 function get_clickable_smileys($image_url, $alias = '')
 {
 // For backward compatibility with js_insert_smiley
 if (is_array($alias))
 {
 $smileys = $alias;
 }
 elseif (FALSE === ($smileys = _get_smiley_array()))
 {
 return FALSE;
 }
 
 // Add a trailing slash to the file path if needed
 $image_url = rtrim($image_url, '/').'/';
 
 $used = array();
 foreach ($smileys as $key => $val)
 {
 // Keep duplicates from being used, which can happen if the
 // mapping array contains multiple identical replacements. For example:
 // :-) and :) might be replaced with the same image so both smileys
 // will be in the array.
 if (isset($used[$smileys[$key][0]]))
 {
 continue;
 }
 
 $link[] = '<a href="javascript:void(0);" onclick="insert_smiley(\''.$key.'\', \''.$alias.'\')"><img src="'.$image_url.$smileys[$key][0].'" alt="'.$smileys[$key][3].'" style="width: '.$smileys[$key][1].'; height: '.$smileys[$key][2].'; border: 0;" /></a>';
 $used[$smileys[$key][0]] = TRUE;
 }
 
 return $link;
 }
 }
 
 // ------------------------------------------------------------------------
 
 if ( ! function_exists('parse_smileys'))
 {
 /**
 * Parse Smileys
 *
 * Takes a string as input and swaps any contained smileys for the actual image
 *
 * @param    string    the text to be parsed
 * @param    string    the URL to the folder containing the smiley images
 * @param    array
 * @return    string
 */
 function parse_smileys($str = '', $image_url = '', $smileys = NULL)
 {
 if ($image_url === '' OR ( ! is_array($smileys) && FALSE === ($smileys = _get_smiley_array())))
 {
 return $str;
 }
 
 // Add a trailing slash to the file path if needed
 $image_url = rtrim($image_url, '/').'/';
 
 foreach ($smileys as $key => $val)
 {
 $str = str_replace($key, '<img src="'.$image_url.$smileys[$key][0].'" alt="'.$smileys[$key][3].'" style="width: '.$smileys[$key][1].'; height: '.$smileys[$key][2].'; border: 0;" />', $str);
 }
 
 return $str;
 }
 }
 
 // ------------------------------------------------------------------------
 
 if ( ! function_exists('_get_smiley_array'))
 {
 /**
 * Get Smiley Array
 *
 * Fetches the config/smiley.php file
 *
 * @return    mixed
 */
 function _get_smiley_array()
 {
 static $_smileys;
 
 if ( ! is_array($_smileys))
 {
 if (file_exists(APPPATH.'config/smileys.php'))
 {
 include(APPPATH.'config/smileys.php');
 }
 
 if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys.php'))
 {
 include(APPPATH.'config/'.ENVIRONMENT.'/smileys.php');
 }
 
 if (empty($smileys) OR ! is_array($smileys))
 {
 $_smileys = array();
 return FALSE;
 }
 
 $_smileys = $smileys;
 }
 
 return $_smileys;
 }
 }
 
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