--- loncom/homework/response.pm	2003/08/11 19:56:45	1.83
+++ loncom/homework/response.pm	2003/10/27 19:27:09	1.87
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.83 2003/08/11 19:56:45 albertel Exp $
+# $Id: response.pm,v 1.87 2003/10/27 19:27:09 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -25,9 +25,6 @@
 #
 # http://www.lon-capa.org/
 #
-# 11/23,11/24,11/28 Gerd Kortemeyer
-# Guy Albertelli
-# 08/04,08/07 Gerd Kortemeyer
 
 package Apache::response;
 use strict;
@@ -180,6 +177,16 @@ sub mandatory_part_meta {
 #
 }
 
+sub meta_part_order {
+    if (@Apache::inputtags::partlist) {
+	my @parts=@Apache::inputtags::partlist;
+	shift(@parts);
+	return '<partorder>'.join(',',@parts).'</partorder>';
+    } else {
+	return '<partorder>0</partorder>';
+    }
+}
+
 sub check_for_previous {
     my ($curresponse,$partid,$id) = @_;
     my %previous;
@@ -412,8 +419,8 @@ sub answer_header {
     my ($type) = @_;
     my $result;
     if ($ENV{'form.answer_output_mode'} eq 'tex') {
-	$result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: '.
-                  $Apache::inputtags::part.' \\\\ \hline ';
+	$result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: \verb|'.
+                  $Apache::inputtags::part.'| \\\\ \hline ';
     } else {
 	$result = '<table border="1"><tr><td>Answer for Part:'.
 	    $Apache::inputtags::part. '</td>'."\n";
@@ -556,6 +563,65 @@ sub whichorder {
     return @whichopt;
 }
 
+sub show_answer {
+    my $part   = $Apache::inputtags::part;
+    my $award  = $Apache::lonhomework::history{"resource.$part.solved"};
+    my $status = $Apache::inputtags::status[-1];
+    return  ( ($award =~ /^correct/
+	       && lc($Apache::lonhomework::problemstatus) ne 'no')
+	      || $status eq "SHOW_ANSWER");
+}
+
+sub analyze_store_foilgroup {
+    my ($shown,$attrs)=@_;
+    my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
+    foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
+	if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
+	push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
+	foreach my $attr (@$attrs) {
+	    $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} =
+		$Apache::response::foilgroup{"$name.".$attr};
+	}
+    }
+    push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown });
+}
+
+sub pick_foil_for_concept {
+    my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_;
+    if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; }
+    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;
+    foreach my $attr (@$attrs) {
+	$Apache::response::foilgroup{"$name.".$attr} =
+	    $Apache::response::conceptgroup{"$name.".$attr};
+    }
+    my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
+    $Apache::response::foilgroup{"$name.concept"} = $concept;
+    &Apache::lonxml::debug("Selecting $name in $concept");
+    my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
+    if ($target eq 'analyze') {
+	push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
+	      $concept);
+	$Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
+	    $Apache::response::conceptgroup{'names'};
+	foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
+	    push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
+		  $name);
+	    foreach my $attr (@$attrs) {
+		$Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}=
+		    $Apache::response::conceptgroup{"$name.$attr"};
+	    }
+	}
+    }
+    push(@{ $hinthash->{"$part_id.concepts"} },$concept);
+    $hinthash->{"$part_id.concept.$concept"}=
+	$Apache::response::conceptgroup{'names'};
+
+}
+
+
 1;
 __END__