--- loncom/homework/matchresponse.pm	2003/05/06 22:08:28	1.17
+++ loncom/homework/matchresponse.pm	2003/05/16 20:16:18	1.18
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Full matching style response
 #
-# $Id: matchresponse.pm,v 1.17 2003/05/06 22:08:28 albertel Exp $
+# $Id: matchresponse.pm,v 1.18 2003/05/16 20:16:18 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -118,8 +118,8 @@ sub end_itemgroup {
     my @names=@{ $Apache::response::itemgroup{'names'} };
     my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
     if ($randomize ne 'no' ) {
-	@names=&whichorder($#names+1,$randomize,0,
-			   \%Apache::response::itemgroup)
+	@names=&Apache::response::whichorder($#names+1,$randomize,0,
+					 \%Apache::response::itemgroup);
     }
     my %letter_name_map;
     my %name_letter_map;
@@ -258,9 +258,10 @@ sub displayanswers {
     my ($max,$randomize,@opt)=@_;
     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
     my @names = @{ $Apache::response::foilgroup{'names'} };
-    my @whichfoils = &whichorder(&getfoilcounts($max),$randomize,
-				 &Apache::response::showallfoils(),
-				 \%Apache::response::foilgroup);
+    my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
+						   $randomize,
+					  &Apache::response::showallfoils(),
+					 \%Apache::response::foilgroup);
     my $result=&Apache::response::answer_header('matchresponse');
     my %name_letter_map;
     if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
@@ -279,9 +280,10 @@ sub displayanswers {
 
 sub grade_response {
     my ($max,$randomize)=@_;
-    my (@whichfoils)=&whichorder(&getfoilcounts($max),$randomize,
-				 &Apache::response::showallfoils(),
-				 \%Apache::response::foilgroup);
+    my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
+						   $randomize,
+				            &Apache::response::showallfoils(),
+				           \%Apache::response::foilgroup);
     if (!defined($ENV{'form.submitted'})) { return; }
     my %responsehash;
     my %grade;
@@ -350,9 +352,10 @@ sub displayfoils {
     my ($target,$max,$randomize)=@_;
     my $result;
     my $question;
-    my (@whichfoils)=&whichorder(&getfoilcounts($max),$randomize,
-				 &Apache::response::showallfoils(),
-				 \%Apache::response::foilgroup);
+    my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
+						   $randomize,
+				            &Apache::response::showallfoils(),
+				           \%Apache::response::foilgroup);
     my $part=$Apache::inputtags::part;
     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
     my $status=$Apache::inputtags::status[-1];
@@ -454,52 +457,6 @@ sub getfoilcounts {
     return $count;
 }
 
-sub whichorder {
-    my ($max,$randomize,$showall,$hash)=@_;
-    #&Apache::lonxml::debug("man $max randomize $randomize");
-    if (!defined(@{ $$hash{'names'} })) { return; }
-    my @names = @{ $$hash{'names'} };
-    my @whichopt =();
-    my (%top,@toplist,%bottom,@bottomlist);
-    if (!($showall || ($randomize eq 'no'))) {
-	my $current=0;
-	foreach my $name (@names) {
-	    $current++;
-	    if ($$hash{"$name.location"} eq 'top') {
-		$top{$name}=$current;
-	    } elsif ($$hash{"$name.location"} eq 'bottom') {
-		$bottom{$name}=$current;
-	    }
-	}
-    }
-    while ((($#whichopt+1) < $max) && ($#names > -1)) {
-	#&Apache::lonxml::debug("Have $#whichopt max is $max");
-	my $aopt;
-	if ($showall || ($randomize eq 'no')) {
-	    $aopt=0;
-	} else {
-	    $aopt=int(&Math::Random::random_uniform() * ($#names+1));
-	}
-	#&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
-	$aopt=splice(@names,$aopt,1);
-	#&Apache::lonxml::debug("Picked $aopt");
-	if ($top{$aopt}) {
-	    $toplist[$top{$aopt}]=$aopt;
-	} elsif ($bottom{$aopt}) {
-	    $bottomlist[$bottom{$aopt}]=$aopt;
-	} else {
-	    push (@whichopt,$aopt);
-	}
-    }
-    for (my $i=0;$i<=$#toplist;$i++) {
-	if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
-    }
-    for (my $i=0;$i<=$#bottomlist;$i++) {
-	if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
-    }
-
-    return @whichopt;
-}
 
 sub start_conceptgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;