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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, pMachine, Inc.
* @license http://www.codeignitor.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Code Igniter Smiley Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author Rick Ellis
* @link http://www.codeigniter.com/user_guide/helpers/download_helper.html
*/
// ------------------------------------------------------------------------
/**
* JS Insert Smiley
*
* Generates the javascrip function needed to insert smileys into a form field
*
* @access public
* @param string form name
* @param string field name
* @return string
*/
function js_insert_smiley($form_name = '', $form_field = '')
{
return <<<EOF
<script type="text/javascript">
function insert_smiley(smiley)
{
document.{$form_name}.{$form_field}.value += " " + smiley;
}
</script>
EOF;
}
// ------------------------------------------------------------------------
/**
* Get Clickable Smileys
*
* Returns an array of image tag links that can be clicked to be inserted
* into a form field.
*
* @access public
* @param string the URL to the folder containing the smiley images
* @return array
*/
function get_clickable_smileys($image_url = '')
{
if (FALSE === ($smileys = _get_smiley_array()))
{
return array();
}
// Add a trailing slash to the file path if needed
$image_url = preg_replace("/(.+?)\/*$/", "\\1/", $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."')\"><img src=\"".$image_url.$smileys[$key]['0']."\" width=\"".$smileys[$key]['1']."\" height=\"".$smileys[$key]['2']."\" alt=\"".$smileys[$key]['3']."\" style=\"border:0;\" /></a>";
$used[$smileys[$key]['0']] = TRUE;
}
return $link;
}
// ------------------------------------------------------------------------
/**
* Parse Smileys
*
* Takes a string as input and swaps any contained smileys for the actual image
*
* @access public
* @param string the text to be parsed
* @param string the URL to the folder containing the smiley images
* @return string
*/
function parse_smileys($str, $image_url)
{
if (FALSE === ($smileys = _get_smiley_array()))
{
return $str;
}
// Add a trailing slash to the file path if needed
$image_url = preg_replace("/(.+?)\/*$/", "\\1/", $image_url);
foreach ($smileys as $key => $val)
{
$str = str_replace($key, "<img src=\"".$image_url.$smileys[$key]['0']."\" width=\"".$smileys[$key]['1']."\" height=\"".$smileys[$key]['2']."\" alt=\"".$smileys[$key]['3']."\" style=\"border:0;\" />", $str);
}
return $str;
}
// ------------------------------------------------------------------------
/**
* Get Smiley Array
*
* Fetches the config/smiley.php file
*
* @access private
* @return mixed
*/
function _get_smiley_array()
{
if ( ! file_exists(APPPATH.'config/smileys'.EXT))
{
return FALSE;
}
include_once(APPPATH.'config/smileys'.EXT);
if ( ! isset($smileys) OR ! is_array($smileys))
{
return FALSE;
}
return $smileys;
}
?>
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