<?php
#CMS - CMS Made Simple
#(c)2004 by Ted Kulp (wishy@users.sf.net)
#This project's homepage is: http://cmsmadesimple.sf.net
#
#This program is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 2 of the License, or
#(at your option) any later version.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.
#You should have received a copy of the GNU General Public License
#along with this program; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#$Id$
 
if(isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/MSIE/', $_SERVER['HTTP_USER_AGENT']))
{
  @ini_set( 'zlib.output_compression','Off' );
}
 
$templateid = '';
if (isset($_GET["templateid"])) $templateid = $_GET["templateid"];
 
$mediatype = '';
if (isset($_GET["mediatype"])) $mediatype = $_GET["mediatype"];
 
$cssid = '';
if (isset($_GET['cssid'])) $cssid = $_GET['cssid'];
 
$name = '';
if (isset($_GET['name'])) $name = $_GET['name'];
 
$stripbackground = false;
if (isset($_GET["stripbackground"])) $stripbackground = true;
 
if ($templateid == '' && $name == '' && $cssid == '') return '';
 
require_once('config.php');
 
$css='';
 
if (isset($config['old_stylesheet']) && $config['old_stylesheet'] == false)
{
  // connect to the database
  require_once(dirname(__FILE__).DIRECTORY_SEPARATOR.'lib'.DIRECTORY_SEPARATOR.'misc.functions.php');
  require_once(cms_join_path(dirname(__FILE__),'lib','adodb.functions.php'));
  load_adodb();
  $db =& adodb_connect();
  
  // select the stylesheet(s)
  if ($name != '')
    $sql="SELECT css_text, css_name FROM ".$config['db_prefix']."css WHERE css_name = " . $db->qstr($name);
  else if( $cssid != '' )
    $sql="SELECT css_text, css_name FROM ".$config['db_prefix']."css WHERE css_id = ".$db->qstr($cssid);
  else
    $sql="SELECT c.css_text, c.css_id, c.css_name FROM ".$config['db_prefix']."css c,".$config['db_prefix']."css_assoc ac WHERE ac.assoc_type='template' AND ac.assoc_to_id = ".$db->qstr($templateid)." AND ac.assoc_css_id = c.css_id AND c.media_type = " . $db->qstr($mediatype) . " ORDER BY ac.create_date";
  $result = $db->Execute($sql);
  
  // add a comment at the start
  while ($result && $row = $result->FetchRow())
  {
    $css .= "/* Start of CMSMS style sheet '{$row['css_name']}' */\n{$row['css_text']}\n/* End of '{$row['css_name']}' */\n\n";
  }
  
  // set encoding
  if ($config['admin_encoding'] != '')
    $encoding = $config['admin_encoding'];
  elseif ($config['default_encoding'] != '')
    $encoding = $config['default_encoding'];
  else
    $encoding = 'UTF-8';
}
else
{
  require_once(dirname(__FILE__)."/include.php");
  
  if ($name != '')
  {
    //TODO: Make stylesheet handling OOP
    global $gCms;
    $db =& $gCms->GetDb();
    $cssquery = "SELECT css_text, css_name FROM ".cms_db_prefix()."css WHERE css_name = ?";
    $cssresult = &$db->Execute($cssquery, array($name));
 
    while ($cssresult && !$cssresult->EOF)
    {
      $css .= "/* Start of CMSMS style sheet '{$cssresult->fields['css_name']}' */\n{$cssresult->fields['css_text']}\n/* End of '{$cssresult->fields['css_name']}' */\n";
      $cssresult->MoveNext();
    }
  }
  else
  {
    $result = get_stylesheet($templateid, $mediatype);
    $css = $result['stylesheet']; 
    if (!isset($result['nostylesheet']))
    {
      #$nostylesheet = true;
      #Perform the content stylesheet callback
      #if ($nostylesheet == false)
      #{
        reset($gCms->modules);
        while (list($key) = each($gCms->modules))
        {
          $value =& $gCms->modules[$key];
          if ($gCms->modules[$key]['installed'] == true &&
            $gCms->modules[$key]['active'] == true)
          {
            $gCms->modules[$key]['object']->ContentStylesheet($css);
          }
        }
        
        Events::SendEvent('Core', 'ContentStylesheet', array('stylesheet' => &$stylesheet));
      #}
    }
  }
  // set encoding
  $encoding = isset($result['encoding']) ? $result['encoding'] : 'UTF-8';
}
  
 
// send HTTP header
header("Content-Type: text/css; charset=$encoding");
 
#sending content length allows HTTP/1.0 persistent connections
#(and also breaks if gzip is on)
#header("Content-Length: ".strlen($css));
 
if ($stripbackground)
{
  #$css = preg_replace('/(\w*?background-color.*?\:\w*?).*?(;.*?)/', '', $css);
  $css = preg_replace('/(\w*?background-color.*?\:\w*?).*?(;.*?)/', '\\1transparent\\2', $css);
  $css = preg_replace('/(\w*?background-image.*?\:\w*?).*?(;.*?)/', '', $css);
}
 
#Do cache-control stuff but only if we are running Apache
if(function_exists('getallheaders'))
{
  $headers = getallheaders();
  $hash = md5($css);
 
  #if browser sent etag and it is the same then reply with 304
  if (isset($headers['If-None-Match']) && $headers['If-None-Match'] == '"'.$hash.'"')
  {
    header('HTTP/1.1 304 Not Modified');
    exit;
  }
  else {
    header('ETag: "'.$hash.'"');
  }
}
 
echo $css;
 
# vim:ts=4 sw=4 noet
?>