source: extensions/SmiliesSupport/smiliessupport.inc.php @ 10010

<?php
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');

// add smilies button to the comment field
function set_smiliessupport()
{
        global $conf, $lang;
        $conf_smiliessupport = explode(',' , $conf['smiliessupport']);
        
        $smilies = get_smilies($conf_smiliessupport);
        $lang['Comment'] .= SmiliesTable($conf_smiliessupport, $smilies);       
}

// return an array with available smilies (name and path) ## must received the unserialized configuration array
function get_smilies($conf_smiliessupport)
{
        $accepted_ext = array('gif', 'jpg', 'png');
        
        if ($handle = opendir(PHPWG_ROOT_PATH.$conf_smiliessupport[0]))
        {
                $i = 1;
                while (false !== ($file = readdir($handle)))
                {
                        if ($file != '.' AND $file != '..' AND in_array(get_extension($file), $accepted_ext))
                        {
                                $smilies[] = array(
                                        'PATH' => PHPWG_ROOT_PATH.$conf_smiliessupport[0].'/'.$file,
                                        'TITLE' => ':'.get_filename_wo_extension($file).':',
                                        'TR' => ($i>0 AND $i%$conf_smiliessupport[1] == 0) ? '</tr><tr>' : null,
                                );
                                $i++;
                        }
                }
                
                return $smilies;
        } else {
                return false;
        }
}

// get the smilies button ## must received the unserialized configuration array AND the smilies array
function SmiliesTable($conf_smiliessupport, $smilies)
{
        global $template;
        load_language('plugin.lang', SMILIES_PATH);

        // edit field has different id
        // if (
                // (isset($_GET['action']) AND $_GET['action'] == 'edit_comment') 
                // OR (isset($page['body_id']) AND $page['body_id'] == 'theCommentsPage')
        // ) {
                // $template->assign('form_name', 'editComment');
        // } else {
                // $template->assign('form_name', 'addComment');
        // }
        $template->assign('form_name', 'addComment');

        $template->assign(array(
                'SMILIES_PATH' => SMILIES_PATH,
                'REPRESENTANT' => PHPWG_ROOT_PATH.$conf_smiliessupport[0].'/'.$conf_smiliessupport[2],
                'smiliesfiles' => $smilies,
        ));
        
        $template->set_filename('smiliessupport_page', dirname(__FILE__).'/template/smiliessupport_page.tpl');
        return $template->parse('smiliessupport_page', true);
}

// parse smilies
function SmiliesParse($str)
{
        global $conf;

        $conf_smiliessupport = explode("," , $conf['smiliessupport']);
        $def_path = $conf_smiliessupport[0].'/smilies.txt';
        $accepted_ext = array('gif', 'jpg', 'png');
        
        if ($handle = opendir(PHPWG_ROOT_PATH.$conf_smiliessupport[0]))
        {
                while (false !== ($file = readdir($handle)))
                { 
                        if ($file != "." && $file != ".." && in_array(get_extension($file), $accepted_ext)) {
                                $v = ':'.get_filename_wo_extension($file).':'; 
                                $s = '<img src="'.$conf_smiliessupport[0].'/'.$file.'" alt=":'.get_filename_wo_extension($file).':" title=":'.get_filename_wo_extension($file).':"/>';
                                $str = str_replace($v, $s, $str);
                        }
                }
        }
        
        if (file_exists($def_path))
        {
                $def = file($def_path);
                foreach($def as $v)
                {
                        $v = trim($v);
                        if (preg_match('|^([^\t]*)[\t]+(.*)$|',$v,$matches)) {  
                                $r = '#'.preg_quote($matches[1],'/').'#';                                       
                                $t = '<img src="'.$conf_smiliessupport[0].'/'.$matches[2].'" alt=":'.get_filename_wo_extension($matches[2]).':" title=":'.get_filename_wo_extension($matches[2]).':"/>';
                                $str = preg_replace($r, $t, $str);
                        }
                }
        } 
        
        return $str;
}

?>