[LON-CAPA-cvs] cvs: loncom /interface/statistics lonproblemanalysis.pm

[albertel]

albertel		Wed Jan  3 21:44:12 2007 EDT

  Modified files:              
    /loncom/interface/statistics	lonproblemanalysis.pm 
  Log:
  - updating to work (simplely) with multiple correct answers
  
  
Index: loncom/interface/statistics/lonproblemanalysis.pm
diff -u loncom/interface/statistics/lonproblemanalysis.pm:1.129 loncom/interface/statistics/lonproblemanalysis.pm:1.130
--- loncom/interface/statistics/lonproblemanalysis.pm:1.129	Thu Dec 21 14:52:28 2006
+++ loncom/interface/statistics/lonproblemanalysis.pm	Wed Jan  3 21:44:07 2007
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonproblemanalysis.pm,v 1.129 2006/12/21 19:52:28 albertel Exp $
+# $Id: lonproblemanalysis.pm,v 1.130 2007/01/04 02:44:07 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -636,11 +636,21 @@
                                                                 $sdom);
         # make the key
         my $key = $partid.'.'.$respid;
+	# pick one of the possible answers
+	my $which = 'INTERNAL';
+	if (!exists($analysis->{$key}{$which})) {
+	    $which = (sort(keys(%{ $analysis->{$key} })))[0];
+	}
         foreach my $item ('answer','unit','ans_high','ans_low') {
-            $correct->{$sname.':'.$sdom}->{$item} = 
-                $analysis->{$key.'.'.$item}->[0];
+	    if (ref($analysis->{$key.'.'.$item}) eq 'ARRAY') {
+		$correct->{$sname.':'.$sdom}->{$item} = 
+		    $analysis->{$key.'.'.$item}[0];
+	    } else {
+		$correct->{$sname.':'.$sdom}->{$item} = 
+		    $analysis->{$key.'.'.$item}{$which}[0][0];
+	    }
         }
-        $answers{$analysis->{$key.'.answer'}->[0]}++;
+        $answers{$correct->{$sname.':'.$sdom}{'answer'}}++;
         &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                                                  &mt('last student'));
     }