--- loncom/homework/rankresponse.pm	2003/05/16 20:16:18	1.13
+++ loncom/homework/rankresponse.pm	2004/02/09 19:38:00	1.28
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # rank style response
 #
-# $Id: rankresponse.pm,v 1.13 2003/05/16 20:16:18 albertel Exp $
+# $Id: rankresponse.pm,v 1.28 2004/02/09 19:38:00 albertel Exp $
 # Copyright Michigan State University Board of Trustees
 #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
@@ -24,7 +24,6 @@
 #
 # http://www.lon-capa.org/
 #
-# 2/21 Guy
 
 package Apache::rankresponse;
 use strict;
@@ -63,6 +62,9 @@ sub start_rankresponse {
 						     $safeeval,'max',
 						     'randomize');
 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
+    } elsif ($target eq 'analyze') {
+	my $part_id="$Apache::inputtags::part.$id";
+	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
     }
     return $result;
 }
@@ -91,7 +93,8 @@ sub start_foilgroup {
 sub end_foilgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
-    if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
+	$target eq 'tex' || $target eq 'analyze') {
 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
 						   $safeeval,'-2');
@@ -103,7 +106,14 @@ sub end_foilgroup {
 	    $result=&displayanswers($max,$randomize,$tol);
 	} elsif ( $target eq 'grade') {
 	    &grade_response($max,$randomize,$tol);
+	} elsif ( $target eq 'analyze') {
+	    my @shown = &whichfoils($max,$randomize);
+	    &Apache::response::analyze_store_foilgroup(\@shown,
+						  ['text','value','location']);
 	}
+	&Apache::lonxml::increment_counter(&getfoilcounts($max));
+    } elsif ($target eq 'edit') {
+	$result=&Apache::edit::end_table();
     }
     return $result;
 }
@@ -118,7 +128,7 @@ sub get_correct_order {
     }
     @value_names =
 	sort {
-	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] cmp $b->[0]);}
+	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
 	    return 0;
 	} @value_names;
     my @value_names_tmp=@value_names;
@@ -181,13 +191,13 @@ sub grade_response {
     if (!defined($ENV{'form.submitted'})) { return; }
     my %responsehash;
     my %grade;
-    my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
+    my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
     my @correctorder=&get_correct_order($tol,@whichfoils);
     foreach my $name (@whichfoils) {
-	my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
-	$responsehash{$name}=$response;
+	my $response = &Apache::response::getresponse($temp);
 	my $value=shift(@correctorder);
 	if ( $response =~ /[^\s]/) {
+	    $responsehash{$name}=$response;
 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
 	    if ($value eq $response) {
 		$grade{$name}='1'; $right++;
@@ -235,14 +245,14 @@ sub displayfoils {
     my (@whichfoils)=&whichfoils($max,$randomize);
     my $part=$Apache::inputtags::part;
     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
-    my $status=$Apache::inputtags::status[-1];
     my @whichopt=(1..($#whichfoils+1));
     my @correctorder=&get_correct_order($tol,@whichfoils);
-    if (($solved =~ /^correct/) || ($status eq  'SHOW_ANSWER')) {
+    if ( &Apache::response::show_answer() && ($target ne 'tex')) {
 	foreach my $name (@whichfoils) {
 	    my $text=$Apache::response::foilgroup{$name.'.text'};
 	    my $value=shift(@correctorder);
-	    $result.='<br />'.$value.':'.$text;
+	    if ($target eq 'web') {$result.='<br />';} else {$result.=' \strut\\\\\strut ';}
+	    $result.=$value.':'.$text;
 	}
     } else {
 	my $i = 0;
@@ -252,6 +262,7 @@ sub displayfoils {
 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
 	my @alp = splice @alphabet, 0, $#whichopt + 1;
+	my $internal_counter=$Apache::lonxml::counter;
 	foreach my $name (@whichfoils) {
 	    my $lastopt=$lastresponse{$name};
 	    my $optionlist='';
@@ -279,14 +290,16 @@ sub displayfoils {
 		    $result.='<br />'.$text."\n";
 		}
 		if ($Apache::lonhomework::type eq 'exam') {
-		    $result.=&Apache::optionresponse::webbubbles(\@alp,\@whichopt,$temp);
+		    my @values=(1..scalar(@whichopt));
+		    $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
 		}
 	    } else {
 		if ($Apache::lonhomework::type eq 'exam') {
 		    $result.='\vskip 0 mm   '.$text.' \vskip -3 mm '."\n";
-		    $result.='\vskip -5 mm\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@alp,\@whichopt).'}\end{enumerate} \vskip -5 mm \strut ';
+		    $result.='\vskip -5 mm\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@alp,\@whichopt).'}\end{enumerate} \vskip -5 mm \strut ';
+		    $internal_counter++;
 		} else {
-		    $result.=' \\\\ \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
+		    $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
 		}
 	    }
 	    $temp++;
@@ -336,31 +349,13 @@ sub end_conceptgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     $Apache::rankresponse::conceptgroup=0;
     my $result='';
-    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
+	$target eq 'tex' || $target eq 'analyze') {
 	#if not there aren't any foils to display and thus no question
-	if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
-	    my @names = @{ $Apache::response::conceptgroup{'names'} };
-	    my $pick=int(&Math::Random::random_uniform() * ($#names+1));
-	    my $name=$names[$pick];
-	    push @{ $Apache::response::foilgroup{'names'} }, $name;
-	    $Apache::response::foilgroup{"$name.value"} =
-		$Apache::response::conceptgroup{"$name.value"};
-	    $Apache::response::foilgroup{"$name.text"} =
-		$Apache::response::conceptgroup{"$name.text"};
-	    $Apache::response::foilgroup{"$name.location"} =
-		$Apache::response::conceptgroup{"$name.location"};
-	    my $concept = &Apache::lonxml::get_param('concept',$parstack,
-						     $safeeval);
-	    $Apache::response::foilgroup{"$name.concept"} = $concept;
-	    &Apache::lonxml::debug("Selecting $name in $concept");
-	    if ($target eq 'web' || $target eq 'tex') {
-		my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
-		push(@{ $Apache::hint::rank{"$part_id.concepts"} },
-		     $concept);
-		$Apache::hint::rank{"$part_id.concept.$concept"}=
-		    $Apache::response::conceptgroup{'names'};
-	    }
-	}
+	&Apache::response::pick_foil_for_concept($target,
+						 ['value','text','location'],
+						 \%Apache::hint::rank,
+						 $parstack,$safeeval);
     } elsif ($target eq 'edit') {
 	$result=&Apache::edit::end_table();
     }
@@ -375,7 +370,7 @@ sub insert_conceptgroup {
 sub start_foil {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';
-    if ($target eq 'web' || $target eq 'tex') {
+    if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
 	&Apache::lonxml::startredirection;
     } elsif ($target eq 'edit') {
 	$result=&Apache::edit::tag_start($target,$token,"Foil");
@@ -403,10 +398,11 @@ sub end_foil {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $text ='';
     my $result = '';
-    if ($target eq 'web' || $target eq 'tex') {
+    if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
 	$text=&Apache::lonxml::endredirection;
     }
-    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
+	$target eq 'tex' || $target eq 'analyze') {
 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
 	if ($value ne 'unused') {
 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);