lo_view.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | 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. |
        +-----------------------------------------------------------------------------+
*/


require_once "include/inc.header.php";
require_once "classes/class.ilSQL2XML.php";
require_once "classes/class.ilDOMXML.php";

ob_start(); 

if (!$rbacsystem->checkAccess("read",$_GET["lm_id"]))
{
        $ilias->raiseError($lng->txt("permission_denied"),$ilias->error_obj->MESSAGE);
}

//$T1 = ilUtil::StopWatch();

$sql2xml = new ilSQL2XML($_GET["lm_id"],$_GET["lo_id"]);
$lo = $sql2xml->getLearningObject();
$navbar = $sql2xml->setNavigation();

//echo ilUtil::StopWatch($T1)." get_XMLdata total<br/>"; 

//echo "<pre>".$lo."</pre>";
//exit;

//echo "<pre>".htmlentities($lo)."</pre>";


//$T1 = ilUtil::StopWatch(); 
// load xsl into string
$path = getcwd();
$xsl = file_get_contents($path."/xml/default.xsl");

$args = array( '/_xml' => $lo, '/_xsl' => $xsl );
$xh = xslt_create();
$output = xslt_process($xh,"arg:/_xml","arg:/_xsl",NULL,$args);
echo xslt_error($xh);
xslt_free($xh);
//echo ilUtil::StopWatch($T1)." XSLT_parsing total<br/>"; 

//$T1 = ilUtil::StopWatch(); 
$tpl->addBlockFile("CONTENT", "content", "tpl.lo_content.html");
$tpl->addBlockFile("STATUSLINE", "statusline", "tpl.statusline.html");
$tpl->addBlockfile("BUTTONS", "buttons", "tpl.buttons.html");
$tpl->touchBlock("buttons");

// this view should switch between a tree view if the learningmodule's structure and full view.
if (!isset($_SESSION["viewmode"]) or $_SESSION["viewmode"] == "flat")
{
        $tpl->setCurrentBlock("btn_cell");
        $tpl->setVariable("BTN_LINK","lo.php?viewmode=tree");
        $tpl->setVariable("BTN_TXT", $lng->txt("treeview"));
        $tpl->parseCurrentBlock();
}
else
{
        $tpl->setCurrentBlock("btn_cell");
        $tpl->setVariable("BTN_LINK","lo.php?viewmode=flat");
        $tpl->setVariable("BTN_TARGET","target=\"_parent\"");
        $tpl->setVariable("BTN_TXT", $lng->txt("flatview"));
        $tpl->parseCurrentBlock();
}

$tpl->setCurrentBlock("content");
$tpl->setVariable("LM_NAVBAR",$navbar);
$tpl->setVariable("LO_CONTENT",$output);
$tpl->parseCurrentBlock();

$tpl->show();
//echo ilUtil::StopWatch($T1)." template_output<br/>"; 

$ret_str = ob_get_contents(); 
ob_end_clean(); 

echo $ret_str;

echo "<p><i>server processing time: ".ilUtil::StopWatch($t_pagestart)." seconds</i></p>"; 
?>