<?php
/*
============================================================================== 
	Dokeos - elearning and course management software
	
	Copyright (c) 2004-2008 Dokeos SPRL
	Copyright (c) 2003 Ghent University (UGent)
	Copyright (c) 2001 Universite catholique de Louvain (UCL)
	Copyright (c) Patrick Cool
	Copyright (c) Denes Nagy
	Copyright (c) Yannick Warnier
	
	For a full list of contributors, see "credits.txt".
	The full license can be read in "license.txt".
	
	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.
	
	See the GNU General Public License for more details.
	
	Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
	Mail: info@dokeos.com
============================================================================== 
*/
/**
============================================================================== 
* This is a learning path creation and player tool in Dokeos - previously learnpath_handler.php
*
* @author Patrick Cool
* @author Denes Nagy
* @author Roan Embrechts, refactoring and code cleaning
* @author Yannick Warnier <ywarnier@beeznest.org> - cleaning and update for new SCORM tool
* @author Julio Montoya  - Improving the list of templates
* @package dokeos.learnpath
============================================================================== 
*/

/*
==============================================================================
		INIT SECTION
==============================================================================
*/ 
$this_section=SECTION_COURSES;

api_protect_course_script();

/*
-----------------------------------------------------------
	Libraries
-----------------------------------------------------------
*/ 
//the main_api.lib.php, database.lib.php and display.lib.php
//libraries are included by default

include('learnpath_functions.inc.php');
//include('../resourcelinker/resourcelinker.inc.php');
include('resourcelinker.inc.php');
//rewrite the language file, sadly overwritten by resourcelinker.inc.php
// name of the language file that needs to be included 
$language_file = "learnpath";

/*
-----------------------------------------------------------
	Header and action code
-----------------------------------------------------------
*/ 
$htmlHeadXtra[] = '
<script type="text/javascript">
	
function FCKeditor_OnComplete( editorInstance )
{	
	document.getElementById(\'frmModel\').innerHTML = "<iframe height=890px; width=230px; frameborder=0 src=\''.api_get_path(WEB_LIBRARY_PATH).'fckeditor/editor/fckdialogframe.html \'>";	
}	
	
function InnerDialogLoaded()
{	
	if (document.all)
	{			
		// if is iexplorer
		var B=new window.frames.content_lp___Frame.FCKToolbarButton(\'Templates\',window.content_lp___Frame.FCKLang.Templates);		
	}
	else
	{		
		var B=new window.frames[0].FCKToolbarButton(\'Templates\',window.frames[0].FCKLang.Templates);	
	}			
	return B.ClickFrame();
};	

</script>';
$htmlHeadXtra[] = $_SESSION['oLP']->create_js();
/*
-----------------------------------------------------------
	Constants and variables
-----------------------------------------------------------
*/ 
$is_allowed_to_edit = api_is_allowed_to_edit();

$tbl_lp = Database::get_course_table('lp');
$tbl_lp_item = Database::get_course_table('lp_item');
$tbl_lp_view = Database::get_course_table('lp_view');

$isStudentView  = (int) $_REQUEST['isStudentView'];
$learnpath_id   = (int) $_REQUEST['lp_id'];
$submit			= $_POST['submit_button'];
/*
$chapter_id     = $_GET['chapter_id'];
$title          = $_POST['title'];
$description   = $_POST['description'];
$Submititem     = $_POST['Submititem'];
$action         = $_REQUEST['action'];
$id             = (int) $_REQUEST['id'];
$type           = $_REQUEST['type'];
$direction      = $_REQUEST['direction'];
$moduleid       = $_REQUEST['moduleid'];
$prereq         = $_REQUEST['prereq'];
$type           = $_REQUEST['type'];
*/
/*
==============================================================================
		MAIN CODE
==============================================================================
*/
// using the resource linker as a tool for adding resources to the learning path
if ($action=="add" and $type=="learnpathitem")
{
	 $htmlHeadXtra[] = "<script language='JavaScript' type='text/javascript'> window.location=\"../resourcelinker/resourcelinker.php?source_id=5&action=$action&learnpath_id=$learnpath_id&chapter_id=$chapter_id&originalresource=no\"; </script>";
}
if ( (! $is_allowed_to_edit) or ($isStudentView) )
{
	error_log('New LP - User not authorized in lp_add_item.php');
	header('location:lp_controller.php?action=view&lp_id='.$learnpath_id);
}
//from here on, we are admin because of the previous condition, so don't check anymore

$sql_query = "SELECT * FROM $tbl_lp WHERE id = $learnpath_id"; 
$result=api_sql_query($sql_query);
$therow=Database::fetch_array($result); 

//$admin_output = '';
/*
-----------------------------------------------------------
	Course admin section
	- all the functions not available for students - always available in this case (page only shown to admin)
-----------------------------------------------------------
*/ 
/*==================================================
			SHOWING THE ADMIN TOOLS
 ==================================================*/



/*==================================================
	prerequisites setting end
 ==================================================*/		  
if (isset($_SESSION['gradebook'])){
	$gradebook=	$_SESSION['gradebook'];
}

if (!empty($gradebook) && $gradebook=='view') {	
	$interbreadcrumb[]= array (
			'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
			'name' => get_lang('Gradebook')
		);
}
$interbreadcrumb[]= array ("url"=>"lp_controller.php?action=list", "name"=> get_lang("_learning_path"));
$interbreadcrumb[]= array ("url"=>api_get_self()."?action=build&lp_id=$learnpath_id", "name" =>stripslashes("{$therow['name']}"));
//Theme calls
$show_learn_path=true;
$lp_theme_css=$_SESSION['oLP']->get_theme();

Display::display_header(null,'Path');
//api_display_tool_title($therow['name']);

$suredel = trim(get_lang('AreYouSureToDelete'));
//$suredelstep = trim(get_lang('AreYouSureToDeleteSteps'));
?>
<script type='text/javascript'>
/* <![CDATA[ */
function stripslashes(str) {
	str=str.replace(/\\'/g,'\'');
	str=str.replace(/\\"/g,'"');
	str=str.replace(/\\\\/g,'\\');
	str=str.replace(/\\0/g,'\0');
	return str;
}
function confirmation(name)
{
	name=stripslashes(name);	
	if (confirm("<?php echo $suredel; ?> " + name + " ?"))
	{
		return true;
	}
	else
	{
		return false;
	}	
}
</script>
<?php

//echo $admin_output;
/*
-----------------------------------------------------------
	DISPLAY SECTION
-----------------------------------------------------------
*/

echo $_SESSION['oLP']->build_action_menu();
echo '<table cellpadding="0" cellspacing="0" class="lp_build">';
		echo '<tr>';			
		echo '<td class="tree">';
		
		$path_item = isset($_GET['path_item'])?$_GET['path_item']:0;		
		$path_item = Database::escape_string($path_item);
		$tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
		$sql_doc = "SELECT path FROM " . $tbl_doc . " WHERE id = '". $path_item."' ";
		$res_doc=api_sql_query($sql_doc, __FILE__, __LINE__);
		$path_file=Database::result($res_doc,0,0);					
		$path_parts = pathinfo($path_file);
						
		if (Database::num_rows($res_doc) > 0 && $path_parts['extension']=='html'){
			$count_items = count($_SESSION['oLP']->ordered_items);
			$style = ($count_items > 12)?' style="height:250px;width:230px;overflow-x : auto; overflow : scroll;" ':' class="lp_tree" ';
			echo '<div '.$style.'>';					
			//build the tree with the menu items in it
			echo $_SESSION['oLP']->build_tree();			
			echo '</div>';
			// show the template list 
			echo '<p style="border-bottom:1px solid #999999; margin:0; padding:2px;"></p>'; //line				
			echo '<br>';		
			echo '<div id="frmModel" style="display:block; height:890px;width:100px; position:relative;"></div>';
		} else {
			echo '<div class="lp_tree" style="height:90%" >';					
			//build the tree with the menu items in it
			echo $_SESSION['oLP']->build_tree();			
			echo '</div>';
		}		
		
		echo '</td>';		
		echo '<td class="workspace">';			
			if(isset($is_success) && $is_success === true) {
				$msg = '<div class="lp_message" style="margin-bottom:10px;">';			
					$msg .= 'The item has been edited.';			
				$msg .= '</div>';				
				echo $_SESSION['oLP']->display_item($_GET['id'], $msg);
			} else {
				echo $_SESSION['oLP']->display_edit_item($_GET['id']);
			}		
		echo '</td>';			
	echo '</tr>';		
echo '</table>';

/*
==============================================================================
		FOOTER 
==============================================================================
*/ 
Display::display_footer();
?>