[svn r14002] Improved gradebook extension to allow for multi-course evaluations, including learning paths.

main/gradebook/gradebook.php

@@ -89,12 +89,12 @@ if (isset ($_GET['movecat']))
 								$cats[0],
 								'move_cat_form',
 								null,
-								api_get_self() . '?movecat=' . $_GET['movecat']
+								api_get_self() . '?movecat=' . Security::remove_XSS($_GET['movecat'])
-													 . '&selectcat=' . $_GET['selectcat']);
+													 . '&selectcat=' . Security::remove_XSS($_GET['selectcat']));
 		if ($move_form->validate())
 		{
-			header('Location: ' . api_get_self() . '?selectcat=' . $_GET['selectcat']
+			header('Location: ' . api_get_self() . '?selectcat=' . Security::remove_XSS($_GET['selectcat'])
-													   . '&movecat=' . $_GET['movecat']
+													   . '&movecat=' . Security::remove_XSS($_GET['movecat'])
 													   . '&targetcat=' . $move_form->exportValue('move_cat'));
 			exit;
 		}
@@ -108,7 +108,7 @@ if (isset ($_GET['movecat']))
 		if (!($course_to_crsind && !isset($_GET['confirm'])))
 		{
 			$cats[0]->move_to_cat($targetcat[0]);
-			header('Location: ' . api_get_self() . '?categorymoved=&selectcat=' . $_GET['selectcat']);
+			header('Location: ' . api_get_self() . '?categorymoved=&selectcat=' . Security::remove_XSS($_GET['selectcat']));
 			exit;
 		}
 		unset ($targetcat);
@@ -129,13 +129,13 @@ if (isset ($_GET['moveeval']))
 								 null,
 								 'move_eval_form',
 								 null,
-								 api_get_self() . '?moveeval=' . $_GET['moveeval']
+								 api_get_self() . '?moveeval=' . Security::remove_XSS($_GET['moveeval'])
-								 					  . '&selectcat=' . $_GET['selectcat']);
+								 					  . '&selectcat=' . Security::remove_XSS($_GET['selectcat']));
 
 		if ($move_form->validate())
 		{
-			header('Location: ' .api_get_self() . '?selectcat=' . $_GET['selectcat']
+			header('Location: ' .api_get_self() . '?selectcat=' . Security::remove_XSS($_GET['selectcat'])
-													   . '&moveeval=' . $_GET['moveeval']
+													   . '&moveeval=' . Security::remove_XSS($_GET['moveeval'])
 													   . '&targetcat=' . $move_form->exportValue('move_cat'));
 			exit;
 		}
@@ -149,7 +149,7 @@ if (isset ($_GET['moveeval']))
 		if (!($course_to_crsind && !isset($_GET['confirm'])))
 		{
 			$evals[0]->move_to_cat($targetcat[0]);
-			header('Location: ' . api_get_self() . '?evaluationmoved=&selectcat=' . $_GET['selectcat']);
+			header('Location: ' . api_get_self() . '?evaluationmoved=&selectcat=' . Security::remove_XSS($_GET['selectcat']));
 			exit;
 		}
 		unset ($targetcat);
@@ -162,13 +162,13 @@ if (isset ($_GET['movelink']))
 {
 	block_students();
 	$link= LinkFactory :: load($_GET['movelink']);
-	$move_form= new LinkForm(LinkForm :: TYPE_MOVE, null, $link[0], 'move_link_form', null, api_get_self() . '?movelink=' . $_GET['movelink'] . '&selectcat=' . $_GET['selectcat']);
+	$move_form= new LinkForm(LinkForm :: TYPE_MOVE, null, $link[0], 'move_link_form', null, api_get_self() . '?movelink=' . $_GET['movelink'] . '&selectcat=' . Security::remove_XSS($_GET['selectcat']));
 	if ($move_form->validate())
 	{
 		$targetcat= Category :: load($move_form->exportValue('move_cat'));
 		$link[0]->move_to_cat($targetcat[0]);
 		unset ($link);
-		header('Location: ' . api_get_self(). '?linkmoved=&selectcat=' . $_GET['selectcat']);
+		header('Location: ' . api_get_self(). '?linkmoved=&selectcat=' . Security::remove_XSS($_GET['selectcat']));
 		exit;
 	}
 }
@@ -265,10 +265,10 @@ if ($course_to_crsind && !isset($_GET['confirm']))
 	$button = '<form name="confirm"
 					 method="post"
 					 action="'.api_get_self() .'?confirm='
-													.(isset($_GET['movecat']) ? '&movecat=' . $_GET['movecat']
+													.(isset($_GET['movecat']) ? '&movecat=' . Security::remove_XSS($_GET['movecat'])
-																			  : '&moveeval=' . $_GET['moveeval'] )
+																			  : '&moveeval=' . Security::remove_XSS($_GET['moveeval']) )
-													.'&selectcat=' . $_GET['selectcat']
+													.'&selectcat=' . Security::remove_XSS($_GET['selectcat'])
-													.'&targetcat=' . $_GET['targetcat'].'">
+													.'&targetcat=' . Security::remove_XSS($_GET['targetcat']).'">
 			   <input type="submit" value="'.get_lang('Ok').'">
 			   </form>';
 
@@ -373,8 +373,8 @@ if (isset ($_POST['action']))
 
 if (isset ($_POST['submit']) && isset ($_POST['keyword']))
 {
-	header('Location: ' . api_get_self() . '?selectcat=' . $_GET['selectcat']
+	header('Location: ' . api_get_self() . '?selectcat=' . Security::remove_XSS($_GET['selectcat'])
-											   . '&search='.$_POST['keyword']);
+											   . '&search='.Security::remove_XSS($_POST['keyword']));
 	exit;
 }
 
@@ -388,7 +388,7 @@ if (!isset($_GET['exportpdf']))
 	if (isset ($_GET['studentoverview']))
 	{
 		$interbreadcrumb[]= array (
-			'url' => 'gradebook.php?selectcat=' . $_GET['selectcat'],
+			'url' => 'gradebook.php?selectcat=' . Security::remove_XSS($_GET['selectcat']),
 			'name' => get_lang('Gradebook'
 		));
 		Display :: display_header(get_lang('FlatView'));
@@ -396,7 +396,7 @@ if (!isset($_GET['exportpdf']))
 	elseif (isset ($_GET['search']))
 	{
 		$interbreadcrumb[]= array (
-			'url' => 'gradebook.php?selectcat=' . $_GET['selectcat'],
+			'url' => 'gradebook.php?selectcat=' . Security::remove_XSS($_GET['selectcat']),
 			'name' => get_lang('Gradebook'
 		));
 		Display :: display_header(get_lang('SearchResults'));
@@ -454,11 +454,11 @@ else
 	$category= $_GET['selectcat'];
 
 // search form
-$simple_search_form= new UserForm(UserForm :: TYPE_SIMPLE_SEARCH, null, 'simple_search_form', null, api_get_self() . '?selectcat=' . $_GET['selectcat']);
+$simple_search_form= new UserForm(UserForm :: TYPE_SIMPLE_SEARCH, null, 'simple_search_form', null, api_get_self() . '?selectcat=' . Security::remove_XSS($_GET['selectcat']));
 $values= $simple_search_form->exportValues();
 $keyword = '';
 if (isset($_GET['search']) && !empty($_GET['search']))
-	$keyword = $_GET['search'];
+	$keyword = Security::remove_XSS($_GET['search']);
 if ($simple_search_form->validate() && (empty($keyword)))
 	$keyword = $values['keyword'];
 

main/gradebook/gradebook_add_link.php

@@ -39,35 +39,50 @@ $typeform = new LinkForm(LinkForm :: TYPE_CREATE,
 						'create_link',
 						null,
 						api_get_self() . '?selectcat=' . Security::remove_XSS($_GET['selectcat'])
-											 . '&newtypeselected=',
+						. '&newtypeselected=' . (isset($_GET['typeselected']) ? Security::remove_XSS($_GET['typeselected']) : '')
-						isset($_GET['typeselected']) ? Security::remove_XSS($_GET['typeselected']) : null);
+						. '&course_code=' . (empty($_GET['course_code'])?'':Security::remove_XSS($_GET['course_code'])))
+						;
 
 // if user selected a link type
 if ($typeform->validate() && isset($_GET['newtypeselected']))
 {
 	// reload page, this time with a parameter indicating the selected type
 	header('Location: '.api_get_self() . '?selectcat=' . Security::remove_XSS($_GET['selectcat'])
-											 . '&typeselected='.$typeform->exportValue('select_link'));
+											 . '&typeselected='.$typeform->exportValue('select_link')
+											 . '&course_code=' . Security::remove_XSS($_GET['course_code']));
 	exit;
 }
 
 // link type selected, show 2nd form to retrieve the link data
 if (isset($_GET['typeselected']) && $_GET['typeselected'] != '0')
 {
+error_log(__LINE__);
 	$addform = new LinkAddEditForm(LinkAddEditForm :: TYPE_ADD,
 								   $category[0],
 								   intval($_GET['typeselected']),
 								   null,
 								   'add_link',
 								   api_get_self() . '?selectcat=' . $_GET['selectcat']
-														. '&typeselected=' . $_GET['typeselected']);
+														. '&typeselected=' . $_GET['typeselected'] . '&course_code=' . $_GET['course_code']);
+error_log(__LINE__);
 	if ($addform->validate())
 	{
+error_log(__LINE__);
 		$addvalues = $addform->exportValues();
 
 		$link= LinkFactory :: create($_GET['typeselected']);
 		$link->set_user_id(api_get_user_id());
+		if($category[0]->get_course_code() == '' && !empty($_GET['course_code']))
+		{
+error_log(__LINE__);
+			$link->set_course_code(Database::escape_string($_GET['course_code']));
+		}
+		else
+		{
+error_log(__LINE__);
 			$link->set_course_code($category[0]->get_course_code());
+		}
+error_log(__LINE__);
 		$link->set_category_id($category[0]->get_id());
 		
 		if ($link->needs_name_and_description())
@@ -88,6 +103,7 @@ if (isset($_GET['typeselected']) && $_GET['typeselected'] != '0')
 		$link->set_visible(empty ($addvalues['visible']) ? 0 : 1);
 		
 		$link->add();
+error_log(__LINE__);
 
 
 		if ($addvalues['addresult'] == 1)

main/gradebook/gradebook_add_link_select_course.php

@@ -0,0 +1,56 @@
+<?php
+// $Id: $
+/*
+==============================================================================
+	Dokeos - elearning and course management software
+
+	Copyright (c) 2007 Dokeos S.A.
+	Copyright (c) 2006 Ghent University (UGent)
+	Copyright (c) various contributors
+
+	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
+==============================================================================
+*/
+
+$language_file = 'gradebook';
+$cidReset = true;
+include_once ('../inc/global.inc.php');
+include_once ('lib/be.inc.php');
+include_once ('lib/gradebook_functions.inc.php');
+include_once ('lib/fe/catform.class.php');
+api_block_anonymous_users();
+block_students();
+
+$catadd = new Category();
+$catadd->set_user_id($_user['user_id']);
+$catadd->set_parent_id($_GET['selectcat']);
+$catcourse = Category :: load ($_GET['selectcat']);
+//$catadd->set_course_code($catcourse[0]->get_course_code());
+$form = new CatForm(CatForm :: TYPE_SELECT_COURSE, $catadd, 'add_cat_form', null, api_get_self().'?selectcat=' . $_GET['selectcat']);
+if ($form->validate()) {
+	$values = $form->exportValues();
+	$cat = new Category();
+	$cat->set_course_code($values['select_course']);
+	$cat->set_name($values['name']);
+	header('location: gradebook_add_link.php?selectcat=' .Security::remove_XSS($_GET['selectcat']).'&course_code='.Security::remove_XSS($values['select_course']));
+	exit;
+}
+$interbreadcrumb[] = array (
+	'url' => 'gradebook.php?selectcat='.$_GET['selectcat'],
+	'name' => get_lang('Gradebook'
+));
+Display :: display_header(get_lang('NewCategory'));
+$form->display();
+Display :: display_footer();
+?>

main/gradebook/lib/be/abstractlink.class.php

@@ -6,7 +6,7 @@
  * To implement specific links,
  * extend this class and define a type in LinkFactory.
  * Use the methods in LinkFactory to create link objects.
- * @author Bert Steppé
+ * @author Bert Stepp<EFBFBD>
  * @package dokeos.gradebook
  */
 abstract class AbstractLink implements GradebookItem
@@ -54,6 +54,7 @@ abstract class AbstractLink implements GradebookItem
 
 	public function get_course_code()
 	{
+		error_log('Returning course_code = '.$this->course_code);
 		return $this->course_code;
 	}
 
@@ -102,6 +103,7 @@ abstract class AbstractLink implements GradebookItem
 	public function set_course_code ($course_code)
 	{
 		$this->course_code = $course_code;
+		error_log('Link '.$this->get_id().' course code is now = '.$this->course_code);
 	}
 	
 	public function set_category_id ($category_id)
@@ -395,7 +397,10 @@ abstract class AbstractLink implements GradebookItem
 	{
 		return null;
 	}
-
+	public function get_all_links()
+	{
+		return null;
+	}
 
 	public function add_linked_data()
 	{

main/gradebook/lib/be/category.class.php

@@ -3,7 +3,7 @@
 
 /**
  * Defines a gradebook Category object
- * @author Bert Steppé, Stijn Konings
+ * @author Bert Stepp<EFBFBD>, Stijn Konings
  * @package dokeos.gradebook
  */
 class Category implements GradebookItem
@@ -706,7 +706,7 @@ class Category implements GradebookItem
 		$tbl_main_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);			
 		$tbl_grade_categories = Database :: get_gradebook_table(TABLE_GRADEBOOK_CATEGORY);
 
-		$sql = 'SELECT * FROM '.$tbl_main_courses.' cc, '.$tbl_main_course_user.' cu'
+		$sql = 'SELECT DISTINCT(code), title FROM '.$tbl_main_courses.' cc, '.$tbl_main_course_user.' cu'
 				.' WHERE cc.code = cu.course_code'
 				.' AND cu.status = '.COURSEMANAGER;
 		if (!api_is_platform_admin())
@@ -716,11 +716,11 @@ class Category implements GradebookItem
 				.' WHERE parent_id = 0'
 //				.' AND user_id = '.$user_id
 				.' AND course_code IS NOT null)';
-
+		error_log($sql);
 		$result = api_sql_query($sql, __FILE__, __LINE__);
 
 		$cats=array();
-		while ($data=mysql_fetch_array($result))
+		while ($data=Database::fetch_array($result))
 		{
 			$cats[] = array ($data['code'], $data['title']);
 		}
@@ -728,6 +728,31 @@ class Category implements GradebookItem
 		
 	}
 
+	/**
+	 * Generate an array of all courses that a teacher is admin of.
+	 * @return array 2-dimensional array - every element contains 2 subelements (code, title)
+	 */
+	public function get_all_courses ($user_id)
+	{
+		$tbl_main_courses = Database :: get_main_table(TABLE_MAIN_COURSE);
+		$tbl_main_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);			
+		$tbl_grade_categories = Database :: get_gradebook_table(TABLE_GRADEBOOK_CATEGORY);
+
+		$sql = 'SELECT DISTINCT(code), title FROM '.$tbl_main_courses.' cc, '.$tbl_main_course_user.' cu'
+				.' WHERE cc.code = cu.course_code'
+				.' AND cu.status = '.COURSEMANAGER;
+		if (!api_is_platform_admin())
+			$sql .= ' AND cu.user_id = '.$user_id;
+		$result = api_sql_query($sql, __FILE__, __LINE__);
+
+		$cats=array();
+		while ($data=Database::fetch_array($result))
+		{
+			$cats[] = array ($data['code'], $data['title']);
+		}
+		return $cats;
+		
+	}
 
 	/**
 	 * Apply the same visibility to every subcategory, evaluation and link
@@ -920,17 +945,17 @@ class Category implements GradebookItem
 		$links = array();
 		
 		// no links in root or course independent categories
-		if ($this->id == 0 || !isset($this->course_code) || empty($this->course_code))
+		if ($this->id == 0)
 			;
 		
 		// 1 student
  		elseif (isset($stud_id))
-			$links = LinkFactory::load(null,null,null,null,$this->course_code,$this->id,
+			$links = LinkFactory::load(null,null,null,null,empty($this->course_code)?null:$this->course_code,$this->id,
 						api_is_allowed_to_create_course() ? null : 1);
 		
 		// all students -> only for course/platform admin
 		elseif (api_is_allowed_to_create_course())
-			$links = LinkFactory::load(null,null,null,null,$this->course_code,$this->id, null);
+			$links = LinkFactory::load(null,null,null,null,empty($this->course_code)?null:$this->course_code,$this->id, null);
 		
 		if ($recursive)
 		{

main/gradebook/lib/be/exerciselink.class.php

@@ -3,7 +3,7 @@
 
 /**
  * Defines a gradebook ExerciseLink object.
- * @author Bert Steppé
+ * @author Bert Stepp<EFBFBD>
  * @package dokeos.gradebook
  */
 class ExerciseLink extends AbstractLink
@@ -54,6 +54,28 @@ class ExerciseLink extends AbstractLink
 		}
 		return $cats;
     }
+	/**
+	 * Generate an array of all exercises available.
+	 * @return array 2-dimensional array - every element contains 2 subelements (id, name)
+	 */
+    public function get_all_links()
+    {
+    	if (empty($this->course_code))
+    		die('Error in get_not_created_links() : course code not set');
+    	
+    	$course_info = api_get_course_info($this->course_code);
+    	$tbl_grade_links = Database :: get_gradebook_table(TABLE_GRADEBOOK_LINK,$course_info['dbName']);
+
+		$sql = 'SELECT id,title from '.$this->get_exercise_table();
+		$result = api_sql_query($sql, __FILE__, __LINE__);
+
+		$cats=array();
+		while ($data=mysql_fetch_array($result))
+		{
+			$cats[] = array ($data['id'], $data['title']);
+		}
+		return $cats;
+    }
 
     /**
      * Has anyone done this exercise yet ?

main/gradebook/lib/be/learnpathlink.class.php

@@ -51,13 +51,36 @@ class LearnpathLink extends AbstractLink
 		}
 		return $cats;
     }
+	/**
+	 * Generate an array of all learnpaths available.
+	 * @return array 2-dimensional array - every element contains 2 subelements (id, name)
+	 */
+    public function get_all_links()
+    {
+    	if (empty($this->course_code))
+    		die('Error in get_not_created_links() : course code not set');
+
+		$course_info = api_get_course_info($this->course_code);    	
+    	$tbl_grade_links = Database :: get_gradebook_table(TABLE_GRADEBOOK_LINK,$course_info['dbName']);
+
+		$sql = 'SELECT id,name from '.$this->get_learnpath_table();
+		$result = api_sql_query($sql, __FILE__, __LINE__);
+
+		$cats=array();
+		while ($data=Database::fetch_array($result))
+		{
+			$cats[] = array ($data['id'], $data['name']);
+		}
+		return $cats;
+    }
+    
 
     /**
      * Has anyone used this learnpath yet ?
      */
     public function has_results()
     {
-    	$course_info = api_get_course_info($this->get_course_code);
+    	$course_info = api_get_course_info($this->get_course_code());
     	$tbl_stats = Database::get_course_table(TABLE_LP_VIEW,$course_info['dbName']);
 		$sql = 'SELECT count(id) AS number FROM '.$tbl_stats
 				." WHERE lp_id = '".$this->get_ref_id()."'";
@@ -75,7 +98,7 @@ class LearnpathLink extends AbstractLink
 	 */
     public function calc_score($stud_id = null)
     {
-    	$course_info = api_get_course_info($this->get_course_code);
+    	$course_info = api_get_course_info($this->get_course_code());
     	$tbl_stats = Database::get_course_table(TABLE_LP_VIEW,$course_info['dbName']);
     	$sql = 'SELECT * FROM '.$tbl_stats
     			." WHERE lp_id = ".$this->get_ref_id();
@@ -85,14 +108,17 @@ class LearnpathLink extends AbstractLink
     		
     	// order by id, that way the student's first attempt is accessed first
 		$sql .= ' ORDER BY view_count DESC';
-
+		error_log($sql);
     	$scores = api_sql_query($sql, __FILE__, __LINE__);
 
 		// for 1 student
     	if (isset($stud_id))
     	{
     		if ($data=Database::fetch_array($scores))
+    		{
+    			error_log(print_r($data,1));
     			return array ($data['progress'], 100);
+    		}
     		else
     			return null;
     	}

main/gradebook/lib/be/linkfactory.class.php

@@ -24,7 +24,7 @@ include_once('learnpathlink.class.php');
 
 /**
  * Factory for link objects
- * @author Bert Stepp<EFBFBD>
+ * @author Bert Steppé
  * @package dokeos.gradebook
  */
 class LinkFactory

main/gradebook/lib/fe/catform.class.php

@@ -15,6 +15,7 @@ class CatForm extends FormValidator {
     const TYPE_ADD = 1;
     const TYPE_EDIT = 2;
     const TYPE_MOVE = 3;
+    const TYPE_SELECT_COURSE = 4;
     private $category_object;
     
 	/**
@@ -44,6 +45,10 @@ class CatForm extends FormValidator {
     	{
     		$this->build_move_form();
     	}
+    	elseif ($this->form_type == self :: TYPE_SELECT_COURSE)
+    	{
+    		$this->build_select_course_form();
+    	}
     	$this->setDefaults();
     }
 
@@ -142,6 +147,28 @@ class CatForm extends FormValidator {
 		$this->addRule('weight',get_lang('NoDecimals'),'nopunctuation');
 		$this->addRule(array ('weight', 'zero'), get_lang('NegativeValue'), 'compare', '>=');
    	}
+	/** 
+	 * This function builds an 'select course' form in the add category process, 
+	 * if parent id is 0, it will only show courses
+	 */
+   	protected function build_select_course_form()
+   	{
+		$select = $this->addElement('select','select_course',array(get_lang('PickACourse'),'test'), null);
+		$coursecat = Category :: get_all_courses(api_get_user_id());
+		//only return courses that are not yet created by the teacher
+
+		foreach($coursecat as $row) 
+		{
+			$select->addoption($row[1],$row[0]);
+		}
+		$this->setDefaults(array(
+		   'hid_user_id' => $this->category_object->get_user_id(),
+		   'hid_parent_id' => $this->category_object->get_parent_id()
+		));		
+   		$this->addElement('hidden','hid_user_id');
+   		$this->addElement('hidden','hid_parent_id');
+		$this->addElement('submit', null, get_lang('Ok'));
+   	}
      	
    	function display()
    	{

main/gradebook/lib/fe/displaygradebook.php

@@ -138,10 +138,10 @@ class DisplayGradebook
 			$cattotal = Category :: load(0);
 			$scoretotal= $cattotal[0]->calc_score(api_get_user_id());
 			$scoretotal_display = (isset($scoretotal) ? $scoredisplay->display_score($scoretotal,SCORE_PERCENT) : get_lang('NoResultsAvailable'));
-			$scoreinfo = get_lang('StatsStudent') . ' :<b> '.$user['lastname'].' '.$user['firstname'].'</b><br>';
+			$scoreinfo = get_lang('StatsStudent') . ' :<b> '.$user['lastname'].' '.$user['firstname'].'</b><br />';
 			if ((!$catobj->get_id() == '0') && (!isset ($_GET['studentoverview'])) && (!isset ($_GET['search'])))
-				$scoreinfo.= '<br>'.get_lang('TotalForThisCategory') . ' : <b>' . $scorecourse_display . '</b>';
+				$scoreinfo.= '<br />'.get_lang('TotalForThisCategory') . ' : <b>' . $scorecourse_display . '</b>';
-			$scoreinfo.= '<br>'.get_lang('Total') . ' : <b>' . $scoretotal_display . '</b>';
+			$scoreinfo.= '<br />'.get_lang('Total') . ' : <b>' . $scoretotal_display . '</b>';
 			Display :: display_normal_message($scoreinfo,false);
 		}
 		// show navigation tree and buttons?
@@ -206,8 +206,14 @@ class DisplayGradebook
 				$header .= '<td><a href=gradebook_add_eval.php?selectcat=' . $catobj->get_id() . '><img src=../img/filenew.gif alt=' . get_lang('NewEvaluation') . ' align=absmiddle/> ' . get_lang('NewEvaluation') . '</a>';
 				$cats= Category :: load($selectcat);
 				if ($cats[0]->get_course_code() != null)
+				{
 					$header .= '<td><a href=gradebook_add_link.php?&selectcat=' . $catobj->get_id() . '><img src=../img/link_blank.gif alt=' . get_lang('MakeLink') . ' align=absmiddle/> ' . get_lang('MakeLink') . '</a>';
 				}
+				else
+				{
+					$header .= '<td><a href=gradebook_add_link_select_course.php?&selectcat=' . $catobj->get_id() . '><img src=../img/link_blank.gif alt=' . get_lang('MakeLink') . ' align=absmiddle/> ' . get_lang('MakeLink') . '</a>';
+				}
+			}
 		}
 		elseif (isset ($_GET['search']))
 		{

main/gradebook/lib/fe/gradebooktable.class.php

@@ -6,7 +6,7 @@ include_once ('../be.inc.php');
 /**
  * Table to display categories, evaluations and links
  * @author Stijn Konings
- * @author Bert Steppé (refactored, optimised)
+ * @author Bert Stepp<EFBFBD> (refactored, optimised)
  */
 class GradebookTable extends SortableTable
 {
@@ -201,6 +201,11 @@ class GradebookTable extends SortableTable
 				else
 					$text = $item->get_name();
 				$text .= '&nbsp;[' . $item->get_type_name() . ']';
+				$cc = $this->currentcat->get_course_code();
+				if(empty($cc))
+				{
+					$text .= '&nbsp;[<a href="'.api_get_path(REL_COURSE_PATH).$item->get_course_code().'/">'.$item->get_course_code().'</a>]';
+				}
 				return $text;
 		}
 	}

main/gradebook/lib/fe/linkaddeditform.class.php

@@ -8,7 +8,7 @@ require_once (api_get_path(LIBRARY_PATH) . 'formvalidator/FormValidator.class.ph
 /**
  * Form used to add or edit links
  * @author Stijn Konings
- * @author Bert Steppé
+ * @author Bert Stepp<EFBFBD>
  */
 class LinkAddEditForm extends FormValidator
 {
@@ -31,8 +31,16 @@ class LinkAddEditForm extends FormValidator
 		elseif (isset ($link_type) && isset ($category_object))
 		{
 			$link = LinkFactory :: create ($link_type);
+			$cc = $category_object->get_course_code();
+			if(empty($cc) && !empty($_GET['course_code']))
+			{
+				$link->set_course_code(Database::escape_string($_GET['course_code']));
+			}
+			else
+			{
 				$link->set_course_code($category_object->get_course_code());
 			}
+		}
 		else
 			die ('LinkAddEditForm error: define link_type/category_object or link_object');
 
@@ -55,7 +63,7 @@ class LinkAddEditForm extends FormValidator
 				$select = $this->addElement('select',
 											'select_link',
 											get_lang('ChooseExercise'));
-				foreach ($link->get_not_created_links() as $newlink)
+				foreach ($link->get_all_links() as $newlink)
 					$select->addoption($newlink[1],$newlink[0]);
 			}
 		}

main/gradebook/lib/fe/linkform.class.php

@@ -8,7 +8,7 @@ require_once (api_get_path(LIBRARY_PATH) . 'formvalidator/FormValidator.class.ph
 /**
  * Forms related to links
  * @author Stijn Konings
- * @author Bert Steppé (made more generic)
+ * @author Bert Stepp<EFBFBD> (made more generic)
  * @package dokeos.gradebook
  */
 class LinkForm extends FormValidator
@@ -80,14 +80,26 @@ class LinkForm extends FormValidator
 
 		$select->addoption('['.get_lang('ChooseLink').']', 0);
 
+		$cc = $this->category_object->get_course_code();
 		foreach ($linktypes as $linktype)
 		{
 			$link = LinkFactory :: create ($linktype);
-			$link->set_course_code($this->category_object->get_course_code());
+			error_log(__FUNCTION__.' '.__LINE__);
+			if(!empty($cc))
+			{
+			error_log(__FUNCTION__.' '.__LINE__);
+				$link->set_course_code($cc);
+			}
+			elseif(!empty($_GET['course_code']))
+			{
+			error_log(__FUNCTION__.' '.__LINE__.' '.$_GET['course_code']);
+				$link->set_course_code(Database::escape_string($_GET['course_code']));
+			}
+			error_log(__FUNCTION__.' '.__LINE__);
 			// disable this element if the link works with a dropdownlist
 			// and if there are no links left
 			if (!$link->needs_name_and_description()
-				&& count($link->get_not_created_links()) == '0')
+				&& count($link->get_all_links()) == '0')
 				$select->addoption($link->get_type_name(), $linktype, 'disabled');
 			else
 				$select->addoption($link->get_type_name(), $linktype);