<?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: deletecssassoc.php 4656 2008-06-16 17:47:34Z calguy1000 $

/**
 * This page is used to delete CSS association. It doesn't show any HTML and only does
 * treatments.
 * For more explanations about CSS associations, please the the header of
 * addcssassoc.php.
 *
 * Variable are passed by GET. Needed vars are :
 * - $css_id	: the id of the CSS link
 * - $id		: the id of the element the CSS is linked to
 * - $type		: the type of the element the CSS is linked to
 *				  (only template for the moment)
 *
 * @since	0.6
 * @author	calexico
 */


$CMS_ADMIN_PAGE=1;

require_once("../include.php");

check_login();

global $gCms;
$db =& $gCms->GetDb();

#******************************************************************************
# global vars definition
#******************************************************************************

# this var is used to check if we'll delete or not
# it is set to false when an error is encountered
$dodelete = true;

#******************************************************************************
# start of the treatment
#******************************************************************************
if (isset($_GET["css_id"]) && isset($_GET["id"]) && isset($_GET["type"]))
{

  # we get the parameters
  $css_id = $_GET["css_id"];
  $id = $_GET["id"];
  $type = $_GET["type"];
  
  # we check the permissions
  $userid = get_userid();
  $access = check_permission($userid, 'Remove Stylesheet Assoc');
  
#******************************************************************************
# the user has the right to delete association, we can go on
#******************************************************************************
  if ($access)
    {
      
      #******************************************************************************
      # we first have to get the name of the element the CSS is linked to
      # this is for logging of actions
      #******************************************************************************
      if ($type == 'template')
	{
          # first we get the name of the template for logging
	  $query = "SELECT template_name FROM ".cms_db_prefix()."templates WHERE template_id = ?";
	  $result = $db->Execute($query,array($id));
	  
	  if ($result && $result->RecordCount())
	    {
	      $line = $result->FetchRow();
	      $name = $line['template_name'];
	    }
	  else
	    {
	      $dodelete = false;
	      $error = lang('errorgettingtemplatename');
	    }
	}

      #******************************************************************************
      # everythings look ok, we can delete
      #******************************************************************************
      if ($dodelete)
	{
	  $query = 'SELECT assoc_order FROM '.cms_db_prefix().'css_assoc
                     WHERE assoc_css_id = ? AND assoc_type = ? AND assoc_to_id = ?';
	  $ord = $db->GetOne($query,array($css_id,$type,$id));

	  $query = "DELETE FROM ".cms_db_prefix()."css_assoc where assoc_css_id = ? AND assoc_type = ? AND assoc_to_id = ?";
	  $result = $db->Execute($query, array($css_id,$type, $id));
	  
	  if ($result)
	    {
	      if( $ord )
		{
		  // now we have to re-position all of the subsequent stylesheets.
		  $query = 'UPDATE '.cms_db_prefix().'css_assoc 
                               SET assoc_order = assoc_order - 1
                             WHERE assoc_type = ? AND assoc_to_id = ?
                                   AND assoc_order > ?';
		  $res = $db->Execute($query,array($type,$id,$ord));
		}

	      audit($id, (isset($name)?$name:""), 'Deleted Stylesheet Association');
	      
              # now updating template
	      if ("template" == $type)
		{
		  $time = $db->DBTimeStamp(time());
		  $tplquery = "UPDATE ".cms_db_prefix()."templates SET modified_date = ".$time." WHERE template_id = ?";
		  $tplresult = $db->Execute($tplquery, array($id));
		}
	    }
	  else
	    {
	      $dodelete = false;
	      $error = lang('errordeletingassociation');
	    }
	}
    } # end of if access
  else
    {
      $dodelete = false;
      $error = lang('noaccessto', array(lang('removecssassociation')));
    }
} # end of if params
else
{
	$dodelete = false;
	$error = lang('missingparams');
}

#******************************************************************************
# end of treatment, redirecting
#******************************************************************************
if ($dodelete)
{
  redirect("listcssassoc.php?id=$id&type=$type");
}
else
{
  redirect("listcssassoc.php?id=$id&type=$type&message=$error");
}

# vim:ts=4 sw=4 noet
?>
