source: extensions/SmiliesSupport/smiliessupport.inc.php @ 11217

<?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;
}

?>