<?php // $Id: recycle_course.php 11791 2007-03-30 07:14:33Z pcool $
/*
============================================================================== 
	Dokeos - elearning and course management software
	
	Copyright (c) 2004 Dokeos S.A.
	Copyright (c) 2003 Ghent University (UGent)
	Copyright (c) 2001 Universite catholique de Louvain (UCL)
	Copyright (c) Bart Mollet (bart.mollet@hogent.be)
	
	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, 44 rue des palais, B-1030 Brussels, Belgium
	Mail: info@dokeos.com
============================================================================== 
*/
/**
 * ==============================================================================
 * Delete resources from a course.
 * 
 * @author Bart Mollet <bart.mollet@hogent.be>
 * @package dokeos.backup
 * ==============================================================================
 */

// name of the language file that needs to be included 
$language_file = array ('admin','course_info','coursebackup');

// including the global file
include ('../inc/global.inc.php');

// section for the tabs
$this_section=SECTION_COURSES;

// breadcrumbs
$interbreadcrumb[] = array ("url" => "../course_info/maintenance.php", "name" => get_lang('Maintenance'));

// Displaying the header
$nameTools = get_lang('RecycleCourse');
Display::display_header($nameTools);

// include additional libraries
require_once('classes/CourseBuilder.class.php');
require_once('classes/CourseArchiver.class.php');
require_once('classes/CourseRecycler.class.php');
require_once('classes/CourseSelectForm.class.php');

// Display the tool title
api_display_tool_title($nameTools);

// Check access rights (only teachers are allowed here)
if( ! api_is_allowed_to_edit())
{
	api_not_allowed();	
}
/*
==============================================================================
		MAIN CODE
==============================================================================
*/ 
if(  (isset($_POST['action']) && $_POST['action'] == 'course_select_form' ) || (isset($_POST['recycle_option']) && $_POST['recycle_option'] == 'full_backup' ) )
{
	if(isset($_POST['action']) && $_POST['action'] == 'course_select_form' )
	{
		$course = CourseSelectForm::get_posted_course();
	}
	else
	{
		$cb = new CourseBuilder();
		$course = $cb->build();	
	}
	$cr = new CourseRecycler($course);
	$cr->recycle();
	Display::display_confirmation_message(get_lang('RecycleFinished'));
}
elseif( isset($_POST['recycle_option']) && $_POST['recycle_option'] == 'select_items')
{
	$cb = new CourseBuilder();
	$course = $cb->build();	
	CourseSelectForm::display_form($course);
}
else
{
	$cb = new CourseBuilder();
	$course = $cb->build();
	if( ! $course->has_resources())
	{
		echo get_lang('NoResourcesToRecycle');	
	}	
	else
	{
	Display::display_warning_message(get_lang('RecycleWarning'),false);
	?>
	<form method="post" action="recycle_course.php">
	<input type="radio" class="checkbox" id="recycle_option_1" name="recycle_option" value="full_backup" checked="checked"/>
	<label for="recycle_option_1"><?php echo get_lang('FullRecycle') ?></label>
	<br/>
	<input type="radio" class="checkbox" id="recycle_option_2" name="recycle_option" value="select_items"/>
	<label for="recycle_option_2"><?php echo get_lang('LetMeSelectItems') ?></label>
	<br/>
	<br/>
	<input type="submit" value="<?php echo get_lang('RecycleCourse') ?>"/>
	</form>
	<?php	
	}
}
// Display the footer
Display::display_footer();
?>