see #5034 allow to disable gradebook

main/forum/forumfunction.inc.php

@@ -2081,7 +2081,11 @@ function show_add_post_form($action = '', $id = '', $form_values = '') {
 
         // Thread qualify
         $form->applyFilter('numeric_calification', 'html_filter');
+        if(Gradebook::is_active()){
             $form->addElement('checkbox', 'thread_qualify_gradebook', '', get_lang('QualifyThreadGradebook'), 'onclick="javascript:if(this.checked==true){document.getElementById(\'options_field\').style.display = \'block\';}else{document.getElementById(\'options_field\').style.display = \'none\';}"');
+        }else{
+            $form->addElement('hidden', 'thread_qualify_gradebook', false);
+        }
 
         $form -> addElement('html', '<div id="options_field" style="display:none">');
         $form->addElement('text', 'numeric_calification', get_lang('QualificationNumeric'),'Style="width:40px"');
@@ -2508,12 +2512,20 @@ function show_edit_post_form($current_post, $current_thread, $current_forum, $fo
     if (!isset($_GET['edit'])) {
         $form->addElement('label', '<strong>'.get_lang('AlterQualifyThread').'</strong>');
         $form->applyFilter('numeric_calification', 'html_filter');
+        if(Gradebook::is_active()){
             $form->addElement('checkbox', 'thread_qualify_gradebook', '', get_lang('QualifyThreadGradebook'), 'onclick="javascript: if(this.checked){document.getElementById(\'options_field\').style.display = \'block\';}else{document.getElementById(\'options_field\').style.display = \'none\';}"');
-        $link_info = is_resource_in_course_gradebook(api_get_course_id(), 5, $_GET['thread'], api_get_session_id());
             
+            $link_info = is_resource_in_course_gradebook(api_get_course_id(), 5, $_GET['thread'], api_get_session_id());
             if (!empty($link_info)) {
                 $defaults['thread_qualify_gradebook'] = true;
                 $defaults['category_id'] = $link_info['category_id'];
+            }else{
+                $defaults['thread_qualify_gradebook'] = false;
+                $defaults['category_id'] = '';
+            }
+        }else{
+            $form->addElement('hidden', 'thread_qualify_gradebook', false);
+            $defaults['thread_qualify_gradebook'] = false;
         }
 
         if (!empty($defaults['thread_qualify_gradebook'])) {
@@ -2661,6 +2673,7 @@ function store_edit_post($values) {
         $link_id = $link_info['id'];
 
         $thread_qualify_gradebook = isset($values['thread_qualify_gradebook']) ? $values['thread_qualify_gradebook'] : null;
+                
         if ($thread_qualify_gradebook != 1) {
             if ($link_info !== false) {
                 remove_resource_from_course_gradebook($link_id);

main/inc/lib/gradebook.lib.php

@@ -10,6 +10,37 @@
  */
    
 class Gradebook extends Model {    
+    
+    /**
+     * Returns true if the gradebook is active and visible in a course, false
+     * otherwise.
+     * 
+     * @param int $c_id Course integer id, defaults to the current course
+     * @return boolean 
+     */
+    public static function is_active($c_id = null)
+    {
+        $name = 'gradebook';
+        
+        $table = Database::get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
+        $sql = "SELECT * from $table WHERE variable='course_hide_tools' AND subkey='$name'";
+        $setting = ResultSet::create($sql)->first();
+        $setting = $setting ? $setting : array();
+        $inactive = isset($setting['selected_value']) && $setting['selected_value'] == 'true';
+        if($inactive){
+            return false;
+        }
+        $c_id = $c_id ? $c_id : api_get_course_int_id();        
+        
+        $table  = Database::get_course_table(TABLE_TOOL_LIST);
+        $sql = "SELECT * from $table WHERE c_id = $c_id and name='$name'";
+        $item = ResultSet::create($sql)->first();
+        if(empty($item)){
+            return true;
+        }
+        return $item['visibility'] == '1';
+    }
+    
     var $columns = array('id', 'name', 'description', 'course_code', 'parent_id', 'grade_model_id', 'session_id', 'weight', 'user_id');
     
     public function __construct() {

main/work/work.lib.php

@@ -503,6 +503,7 @@ function display_student_publications_list($id, $link_target_parameter, $dateFor
 					list($d_year, $d_month, $d_day) = explode('-', $parts[0]);
 					list($d_hour, $d_minute) = explode(':', $parts[1]);
 						
+                    if(Gradebook::is_active()){
                         $qualification_input[] = FormValidator :: createElement('text', 'qualification');
                         $form_folder -> addGroup($qualification_input, 'qualification', get_lang('QualificationNumeric'));
 
@@ -529,6 +530,10 @@ function display_student_publications_list($id, $link_target_parameter, $dateFor
                         $link_info = is_resource_in_course_gradebook(api_get_course_id(), LINK_STUDENTPUBLICATION, $id2);
                                                             
                         $defaults['category_id'] = $link_info['category_id'];
+                    }else{
+                        
+                        $defaults['category_id'] = '';
+                    }
 											
 					if ($homework['expires_on'] != '0000-00-00 00:00:00') {
 						$homework['expires_on'] = api_get_local_time($homework['expires_on']);

main/work/work.php

@@ -766,10 +766,16 @@ switch ($action) {
             $form->addElement('html', '<div id="options" style="display: none;">');
             
         
+            
+            if(Gradebook::is_active()){
                 //QualificationOfAssignment
                 $form->addElement('text', 'qualification_value', get_lang('QualificationNumeric'));
-            
                 $form->addElement('checkbox', 'make_calification', null, get_lang('MakeQualifiable'), array('id' =>'make_calification_id', 'onclick' => "javascript: if(this.checked){document.getElementById('option1').style.display='block';}else{document.getElementById('option1').style.display='none';}"));
+            }else{
+                //QualificationOfAssignment
+                $form->addElement('hidden', 'qualification_value',0);
+                $form->addElement('hidden', 'make_calification', false);
+            }
             
             $form->addElement('html', '<div id="option1" style="display: none;">');