--- loncom/homework/rankresponse.pm	2003/01/19 08:13:04	1.1
+++ loncom/homework/rankresponse.pm	2003/05/16 20:16:18	1.13
@@ -1,8 +1,7 @@
 # The LearningOnline Network with CAPA
 # rank style response
 #
-# $Id: rankresponse.pm,v 1.1 2003/01/19 08:13:04 albertel Exp $
-#
+# $Id: rankresponse.pm,v 1.13 2003/05/16 20:16:18 albertel Exp $
 # Copyright Michigan State University Board of Trustees
 #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
@@ -30,6 +29,7 @@
 package Apache::rankresponse;
 use strict;
 use HTML::Entities();
+use Apache::optionresponse;
 
 BEGIN {
     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
@@ -91,15 +91,13 @@ 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') {
-	my $style = $Apache::lonhomework::type;
-	my $name;
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
 						   $safeeval,'-2');
 	my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
 	if (!defined($tol)) { $tol=0; }
-	if ($target eq 'web') {
+	if ($target eq 'web' || $target eq 'tex') {
 	    $result=&displayfoils($target,$max,$randomize,$tol);
 	} elsif ($target eq 'answer' ) {
 	    $result=&displayanswers($max,$randomize,$tol);
@@ -233,6 +231,7 @@ sub grade_response {
 sub displayfoils {
     my ($target,$max,$randomize,$tol)=@_;
     my $result;
+    my @alphabet=('A'..'Z');
     my (@whichfoils)=&whichfoils($max,$randomize);
     my $part=$Apache::inputtags::part;
     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
@@ -251,27 +250,49 @@ sub displayfoils {
 	my $id=$Apache::inputtags::response[-1];
 	my $part=$Apache::inputtags::part;
 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
-	my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
+	my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
+	my @alp = splice @alphabet, 0, $#whichopt + 1;
 	foreach my $name (@whichfoils) {
 	    my $lastopt=$lastresponse{$name};
-	    my $optionlist="<option></option>\n";
+	    my $optionlist='';
+	    if ($target ne 'tex') {$optionlist="<option></option>\n";}
 	    my $option;
 	    foreach $option (@whichopt) {
 		if ($option eq $lastopt) {
-		    $optionlist.="<option selected=\"on\">$option</option>\n";
+		    if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
 		} else {
-		    $optionlist.="<option>$option</option>\n";
+		    if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
 		}
 	    }
-	    $optionlist='<select name="HWVAL_'.
-		$Apache::inputtags::response[-1].':'.$temp.'">'.
-		    $optionlist."</select>\n";
+	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
+		$optionlist='<select name="HWVAL_'.
+		    $Apache::inputtags::response[-1].':'.$temp.'">'.
+		        $optionlist."</select>\n";
+	    } else {
+		$optionlist=' '.$temp.' '.$optionlist.' ';
+	    }
 	    my $text=$Apache::response::foilgroup{$name.'.text'};
-	    $result.='<br />'.$optionlist.$text."\n";
+	    if ($target ne 'tex') {
+		if ($Apache::lonhomework::type ne 'exam') {
+		    $result.='<br />'.$optionlist.$text."\n";
+		} else {
+		    $result.='<br />'.$text."\n";
+		}
+		if ($Apache::lonhomework::type eq 'exam') {
+		    $result.=&Apache::optionresponse::webbubbles(\@alp,\@whichopt,$temp);
+		}
+	    } 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 ';
+		} else {
+		    $result.=' \\\\ \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
+		}
+	    }
 	    $temp++;
 	}
     }
-    $result.="<br />";
+    if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
     return $result;
 }
 
@@ -287,52 +308,9 @@ sub getfoilcounts {
 
 sub whichfoils {
     my ($max,$randomize)=@_;
-    $max = &getfoilcounts($max);
- #   &Apache::lonxml::debug("man $max randomize $randomize");
-    if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
-    my @names = @{ $Apache::response::foilgroup{'names'} };
-    my @whichopt =();
-    my (%top,@toplist,%bottom,@bottomlist);
-    if (!(&Apache::response::showallfoils() || ($randomize eq 'no'))) {
-	my $current=0;
-	foreach my $name (@names) {
-	    $current++;
-	    if ($Apache::response::foilgroup{"$name.location"} eq 'top') {
-		$top{$name}=$current;
-	    } elsif ($Apache::response::foilgroup{"$name.location"} eq
-		     'bottom') {
-		$bottom{$name}=$current;
-	    }
-	}
-    }
-    while ((($#whichopt+1) < $max) && ($#names > -1)) {
-#	&Apache::lonxml::debug("Have $#whichopt max is $max");
-	my $aopt;
-	if (&Apache::response::showallfoils() || ($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,$aopt);
-	}
-    }
-#    &Apache::lonxml::debug("Grr, ".$#whichopt.":".$#toplist.':'.$#bottomlist);
-    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]) }
-    }
-    &Apache::lonxml::debug("Grr, ".$#whichopt.":".$#toplist.':'.$#bottomlist);
-    return @whichopt;
+    return &Apache::response::whichorder($max,$randomize,
+					 &Apache::response::showallfoils(),
+					 \%Apache::response::foilgroup);
 }
 
 sub start_conceptgroup {
@@ -358,7 +336,7 @@ sub end_conceptgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     $Apache::rankresponse::conceptgroup=0;
     my $result='';
-    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
 	#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'} };
@@ -375,7 +353,7 @@ sub end_conceptgroup {
 						     $safeeval);
 	    $Apache::response::foilgroup{"$name.concept"} = $concept;
 	    &Apache::lonxml::debug("Selecting $name in $concept");
-	    if ($target eq 'web') {
+	    if ($target eq 'web' || $target eq 'tex') {
 		my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
 		push(@{ $Apache::hint::rank{"$part_id.concepts"} },
 		     $concept);
@@ -397,7 +375,7 @@ sub insert_conceptgroup {
 sub start_foil {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';
-    if ($target eq 'web' ) {
+    if ($target eq 'web' || $target eq 'tex') {
 	&Apache::lonxml::startredirection;
     } elsif ($target eq 'edit') {
 	$result=&Apache::edit::tag_start($target,$token,"Foil");
@@ -425,10 +403,10 @@ sub end_foil {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $text ='';
     my $result = '';
-    if ($target eq 'web') {
+    if ($target eq 'web' || $target eq 'tex') {
 	$text=&Apache::lonxml::endredirection;
     }
-    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
 	if ($value ne 'unused') {
 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
@@ -440,12 +418,24 @@ sub end_foil {
 		 && !&Apache::response::showallfoils() ) {
 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
 		$Apache::response::conceptgroup{"$name.value"} = $value;
-		$Apache::response::conceptgroup{"$name.text"} = $text;
+		if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
+		    $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
+		} else {
+		    $Apache::response::conceptgroup{"$name.text"} = $text;
+		}
 		$Apache::response::conceptgroup{"$name.location"} = $location;
 	    } else {
 		push @{ $Apache::response::foilgroup{'names'} }, $name;
 		$Apache::response::foilgroup{"$name.value"} = $value;
-		$Apache::response::foilgroup{"$name.text"} = $text;
+		if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
+		    $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
+		} else {
+		    if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
+			$Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
+		    } else {
+			$Apache::response::foilgroup{"$name.text"} = $text;
+		    } 
+		}
 		$Apache::response::foilgroup{"$name.location"} = $location;
 	    }
 	}