--- loncom/homework/matchresponse.pm	2003/03/17 19:54:20	1.5
+++ 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 1.5 2003/03/17 19:54:20 sakharuk Exp $
+# $Id: matchresponse.pm,v 1.18 2003/05/16 20:16:18 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -31,6 +31,7 @@ package Apache::matchresponse;
 use strict;
 use HTML::Entities();
 use Math::Random();
+use Apache::optionresponse;
 
 BEGIN {
     &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
@@ -86,6 +87,7 @@ sub start_itemgroup {
     my $result;
     %Apache::response::itemgroup=();
     %Apache::matchresponse::itemtable=();
+
     if ($target eq 'edit') {
 	$result=&Apache::edit::tag_start($target,$token);
 	$result.=&Apache::edit::select_arg('Randomize Order:','randomize',
@@ -111,12 +113,13 @@ sub end_itemgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
 
+    if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
     if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
     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;
@@ -144,6 +147,7 @@ sub end_itemgroup {
 	my $table=' \\\\\\\\ \begin{tabular}{ll} ';
 	my $i=0;
 	foreach my $name (@names) {
+	    $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
 	    $table.=' '.$alphabet[$i].' & '.
 		$Apache::response::itemgroup{$name.'.text'}.
 		    ' \\\\ ';
@@ -151,7 +155,7 @@ sub end_itemgroup {
 	}
 	$table.=' \end{tabular} \\\\ ';
 	$Apache::matchresponse::itemtable{'display'}=$table;
-    } elsif ($target eq 'edit') { $result=&Apache::edit::end_table(); }
+    }
     return $result;
 }
 
@@ -254,9 +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'} })) {
@@ -275,9 +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;
@@ -346,9 +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];
@@ -379,37 +386,48 @@ 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 $localcount = 1;
+	my %lastresponse=&Apache::lonnet::str2hash($lastresponse);    
+	my @alphabet=('A'..'Z');
+	my @used_letters=sort(keys(%letter_name_map));
 	foreach my $name (@whichfoils) {
 	    my $lastopt=$lastresponse{$name};
 	    my $last_letter=$name_letter_map{$lastopt};
 	    my $optionlist = '';
-	    if ($target ne 'tex') {$optionlist="<option></option>\n";} else {$optionlist=' '.$localcount.'. '; $localcount++;}
+	    if ($target ne 'tex') {
+		$optionlist="<option></option>\n";
+	    } else {
+		if ($Apache::lonhomework::type ne 'exam') {
+		    $optionlist='\framebox[5 mm][s]{\tiny\strut}';
+		}
+	    }
 	    my $option;
-	    foreach $option (sort(keys(%letter_name_map))) {
+	    foreach $option (@used_letters) {
 		if ($option eq $last_letter) {
-		    if ($target ne 'tex') {
-			$optionlist.="<option selected=\"on\">$option</option>\n";
-		    }
+		    if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
 		} else {
-		    if ($target ne 'tex') {
-			$optionlist.="<option>$option</option>\n";
-		    }
+		    if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
 		}
 	    }
 	    if ($target ne 'tex') {
 	        $optionlist='<select name="HWVAL_'.
 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
 		        $optionlist."</select>\n";
-	    } else {
-		$optionlist=$optionlist;
 	    }
 	    my $text=$Apache::response::foilgroup{$name.'.text'};
 	    if ($target ne 'tex') {
 		$question.='<br />'.$optionlist.$text."\n";
-	    } else {
-		$question.=' \\\\ '.$optionlist.$text."\n";
+		if ($Apache::lonhomework::type eq 'exam') {
+		    $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@used_letters);
+		}
+	    } else {		
+		if ($Apache::lonhomework::type eq 'exam') {
+		    $question.=' '.$optionlist.$text."\n";
+		    my @emptyItems = ();
+		    for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
+		    $question.='\vskip -2 mm\parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@used_letters,\@emptyItems).'}\end{enumerate}} \vskip -10 mm \strut ';
+	        } else {
+		    $question.=' \\\\ '.$optionlist.$text."\n";
+		}
             } 
 	    $temp++;
 	}
@@ -439,52 +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)=@_;
@@ -595,12 +567,24 @@ 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') {
+		    $Apache::response::conceptgroup{"$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"} = $text;
+		if ($Apache::lonhomework::type eq 'exam') {
+		    $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
+		} else {
+		    if ($target eq 'tex') {
+			$Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
+		    } else {
+			$Apache::response::foilgroup{"$name.text"} = $text;
+		    }
+		}
 		$Apache::response::foilgroup{"$name.location"} = $location;
 	    }
 	}