From: martin <martin>
Date: Tue, 25 Jun 2002 07:17:51 +0000 (+0000)
Subject: Don't show overall graph when no students have completed survey
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=77f4a40bbb54b8a0d4247a2fb93d0ffd3a55d3dd;p=moodle.git

Don't show overall graph when no students have completed survey
---

diff --git a/mod/survey/report.php b/mod/survey/report.php
index 7829211aaf..9a9b252a20 100644
--- a/mod/survey/report.php
+++ b/mod/survey/report.php
@@ -71,7 +71,11 @@
 
         print_heading("All scales, all students");
 
-        echo "<P ALIGN=CENTER><A HREF=\"report.php?action=scales&id=$id\"><IMG HEIGHT=$GHEIGHT WIDTH=$GWIDTH ALT=\"Click here to see the scales in more detail\" BORDER=0 SRC=\"graph.php?id=$id&type=overall.png\"></A>";
+        if (count_completed_surveys($survey->id)) {
+            echo "<P ALIGN=CENTER><A HREF=\"report.php?action=scales&id=$id\"><IMG HEIGHT=$GHEIGHT WIDTH=$GWIDTH ALT=\"Click here to see the scales in more detail\" BORDER=0 SRC=\"graph.php?id=$id&type=overall.png\"></A>";
+        } else {
+            echo "<P ALIGN=CENTER>Nobody has yet completed this survey</P>";
+        }
         print_footer($course);
         break;