[svn r17503] minor-logic changes-it was added restriction-(partial FS#3396)

main/gradebook/lib/fe/displaygradebook.php

@@ -133,8 +133,7 @@ class DisplayGradebook
 	*/
 	function display_header_reduce_flatview($catobj, $showeval, $showlink,$simple_search_form) {
 		$header= '<table border="0" cellpadding="5">';
-		$header .= '<td style="vertical-align: top;"><a href="index.php?'.api_get_cidreq().'"><< ' . get_lang('BackToOverview') . '</a></td>';
-
+		$header .= '<td style="vertical-align: top;"><a href="'.$_SESSION['gradebook_dest'].'?'.api_get_cidreq().'"><< ' . get_lang('BackToOverview') . '</a></td>';
 
 //		$header .= '<td style="vertical-align: top;"><a href="' . api_get_self() . '?exportpdf=&offset='.Security::remove_XSS($_GET['offset']).'&search=' . Security::remove_XSS($_GET['search']).'&selectcat=' . $catobj->get_id() . '"><img src=../img/calendar_up.gif alt=' . get_lang('ExportPDF') . '/> ' . get_lang('ExportPDF') . '</a>';
 
@@ -313,7 +312,8 @@ class DisplayGradebook
                 	$myname=$catobj->shows_all_information_an_category($catobj->get_id());
                  	$header .= '<td><a href="gradebook_edit_all.php?'.$my_api_cidreq.'&selectcat=' . $catobj->get_id() . '"><img src="../img/quiz.gif" alt="' . get_lang('EditAllWeights') . '" align="absmiddle"/> ' . get_lang('EditAllWeights') . '</a>';
                 	$my_course_id=api_get_course_id();
-                	if (!isset($my_course_id)) {
+                	$my_file= substr($_SESSION['gradebook_dest'],0,5);
+                	if ($my_file!='index') {
 	                	$header .= '<td style="vertical-align: top;"><a href="gradebook_flatview.php?'.$my_api_cidreq.'&selectcat=' . $catobj->get_id() . '"><img src="../img/stats_access.gif" alt="' . get_lang('FlatView') . '" align="absmiddle"/> ' . get_lang('FlatView') . '</a>';
 						if ($is_course_admin && $message_resource===false) {
 							$header .= '<td style="vertical-align: top;"><a href="gradebook_scoring_system.php?'.$my_api_cidreq.'&selectcat=' . $catobj->get_id() .'"><img src="../img/acces_tool.gif" alt="' . get_lang('ScoreEdit') . '" align="absmiddle"/> ' . get_lang('ScoreEdit') . '</a>';