Change more/less verbose option to show/hide events, as per Jay's

request.

www/dbdefs.php3.in

@@ -1009,6 +1009,22 @@ function TBNodeUidLastLogin($node_id)
     return $row;
 }
 
+#
+# Return number of events in an experiment.
+#
+function TBEventCount($pid, $eid)
+{
+    $query_result =
+	DBQueryFatal("select count(*) from eventlist ".
+		     "where pid='$pid' and eid='$eid'");
+
+    if (mysql_num_rows($query_result) == 0) {
+	return 0;
+    }
+    $row = mysql_fetch_row($query_result);
+    return $row[0];
+}
+
 #
 # Return the last login for all of the nodes in an experiment, but only
 # after the experiment was created (swapped in).

www/shownsfile.php3

@@ -27,17 +27,6 @@ if (!isset($eid) ||
     USERERROR("You must provide an Experiment ID.", 1);
 }
 
-if ($verbose) {
-    echo "<b><a href='shownsfile.php3?pid=$pid&eid=$eid'>
-                Be Less Verbose</a>
-          </b><br><br>\n";
-}
-else {
-    echo "<b><a href='shownsfile.php3?pid=$pid&eid=$eid&verbose=1'>
-                Be More Verbose</a>
-          </b><br><br>\n";
-}
-
 #
 # Check to make sure this is a valid PID/EID tuple.
 #
@@ -64,6 +53,17 @@ if (!$isadmin) {
     }
 }
 
+if ($showevents) {
+    echo "<b><a href='shownsfile.php3?pid=$pid&eid=$eid'>
+                Hide Event List</a>
+          </b><br><br>\n";
+}
+elseif (TBEventCount($pid, $eid)) {
+    echo "<b><a href='shownsfile.php3?pid=$pid&eid=$eid&showevents=1'>
+                Show Event List</a>
+          </b><br><br>\n";
+}
+
 #
 # Spit out an image that refers to a php script. That script will run and
 # send back the GIF image contents.
@@ -97,7 +97,7 @@ echo "<br>
 $output = array();
 $retval = 0;
 
-if ($verbose) {
+if ($showevents) {
     $flags = "-v";
 }
 else {