function insert_smiley(smiley)
{
document.{$form_name}.{$form_field}.value += " " + smiley;
}
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;
}
$link[] = "![\"".$smileys[$key]['3']."\"](\"".$image_url.$smileys[$key]['0']."\")
";
$used[$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, "", $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;
}
?>