--- loncom/homework/rankresponse.pm	2004/08/25 20:00:31	1.36
+++ loncom/homework/rankresponse.pm	2008/10/08 13:58:50	1.58
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # rank style response
 #
-# $Id: rankresponse.pm,v 1.36 2004/08/25 20:00:31 albertel Exp $
+# $Id: rankresponse.pm,v 1.58 2008/10/08 13:58:50 onken Exp $
 # Copyright Michigan State University Board of Trustees
 #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
@@ -30,6 +30,8 @@ use strict;
 use HTML::Entities();
 use Apache::optionresponse();
 use Apache::lonlocal;
+use Apache::lonxml;
+use Apache::lonnet;
 
 BEGIN {
     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
@@ -66,7 +68,10 @@ sub start_rankresponse {
 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
     } elsif ($target eq 'analyze') {
 	my $part_id="$Apache::inputtags::part.$id";
+        $Apache::lonhomework::analyze{"$part_id.type"} = 'rankresponse';
 	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
+	push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
+
     }
     return $result;
 }
@@ -105,6 +110,7 @@ sub end_foilgroup {
 	if (!defined($tol)) { $tol=0; }
 	if ($target eq 'web' || $target eq 'tex') {
 	    $result=&displayfoils($target,$max,$randomize,$tol);
+	    $Apache::lonxml::post_evaluate=0;
 	} elsif ($target eq 'answer' ) {
 	    $result=&displayanswers($max,$randomize,$tol);
 	} elsif ( $target eq 'grade') {
@@ -113,8 +119,17 @@ sub end_foilgroup {
 	    my @shown = &whichfoils($max,$randomize);
 	    &Apache::response::analyze_store_foilgroup(\@shown,
 						  ['text','value','location']);
+	    my $part_id=
+		"$Apache::inputtags::part.$Apache::inputtags::response[-1]";
+	    $Apache::lonhomework::analyze{"$part_id.tol"}=$tol;
+	}
+	my $part = $Apache::inputtags::part;
+	my $id   = $Apache::inputtags::response[-1];
+	&Apache::lonxml::increment_counter(&getfoilcounts($max),
+					   "$part.$id");
+	if ($target eq 'analyze') {
+	    &Apache::lonhomework::set_bubble_lines();
 	}
-	&Apache::lonxml::increment_counter(&getfoilcounts($max));
     } elsif ($target eq 'edit') {
 	$result=&Apache::edit::end_table();
     }
@@ -163,18 +178,31 @@ sub displayanswers {
     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
     my @names = @{ $Apache::response::foilgroup{'names'} };
     my @whichfoils = &whichfoils($max,$randomize);
-    my $result=&Apache::response::answer_header('rankresponse');
     my @correctorder=&get_correct_order($tol,@whichfoils);
-    foreach my $order (@correctorder) {
-	$result.=&Apache::response::answer_part('rankresponse',$order);
+    my $result;
+    if ($Apache::lonhomework::type eq 'exam') {
+	my @alphabet = ('A'..'Z');
+	my $i=0;
+	foreach my $order (@correctorder) {
+	    $result.=&Apache::response::answer_header('rankresponse',$i++);
+	    $result.=&Apache::response::answer_part('rankresponse',
+						    $alphabet[$order-1]);
+	    $result.=&Apache::response::answer_part('rankresponse',$order);
+	    $result.=&Apache::response::answer_footer('rankresponse');
+	}
+    } else {
+	$result=&Apache::response::answer_header('rankresponse');
+	foreach my $order (@correctorder) {
+	    $result.=&Apache::response::answer_part('rankresponse',$order);
+	}
+	$result.=&Apache::response::answer_footer('rankresponse');
     }
-    $result.=&Apache::response::answer_footer('rankresponse');
     return $result;
 }
 
 sub check_response_order {
     my (%responsehash)=@_;
-    my @order=sort(values(%responsehash));
+    my @order=sort( {$a <=> $b} values(%responsehash));
     my $lastvalue=0;
     my $expected=1;
     my $malformed=0;
@@ -192,13 +220,13 @@ sub check_response_order {
 sub grade_response {
     my ($max,$randomize,$tol)=@_;
     my (@whichfoils)=&whichfoils($max,$randomize);
-    if (!defined($ENV{'form.submitted'})) { return; }
+    if (!&Apache::response::submitted()) { return; }
     my %responsehash;
     my %grade;
     my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
     my @correctorder=&get_correct_order($tol,@whichfoils);
     foreach my $name (@whichfoils) {
-	my $response = &Apache::response::getresponse($temp);
+	my $response = &Apache::response::getresponse($temp,'A is 1');
 	my $value=shift(@correctorder);
 	if ( $response =~ /[^\s]/) {
 	    $responsehash{$name}=$response;
@@ -235,13 +263,34 @@ sub grade_response {
 	    $ad='MISSING_ANSWER';
 	}
     }
+    if ($Apache::lonhomework::type eq 'survey' &&
+	($ad eq 'INCORRECT' || $ad eq 'EXACT_ANS') ) {
+	$ad='SUBMITTED';
+    } else {
+	$Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
+    }
     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
 	$responsestr;
-    $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
     &Apache::response::handle_previous(\%previous,$ad);
 }
 
+sub format_prior_answer {
+    my ($mode,$answer,$other_data) = @_;
+    my %lastresponse=&Apache::lonnet::str2hash($answer);
+    my $foil_order  =$other_data->[0];
+    my %grading     =&Apache::lonnet::str2hash($other_data->[1]);
+    my $output;
+    foreach my $name (@{ $foil_order }) {
+	next if (!defined($lastresponse{$name}));
+	$output .= '<tr><td>'.$lastresponse{$name}.'</td></tr>';
+    }
+    return if (!defined($output));
+    $output =
+	'<table class="LC_prior_rank">'.$output.'</table>';
+    return $output;
+}
+
 sub displayfoils {
     my ($target,$max,$randomize,$tol)=@_;
     my $result;
@@ -255,8 +304,11 @@ sub displayfoils {
 	foreach my $name (@whichfoils) {
 	    my $text=$Apache::response::foilgroup{$name.'.text'};
 	    my $value=shift(@correctorder);
-	    if ($target eq 'web') {$result.='<br />';} else {$result.=' \strut\\\\\strut ';}
-	    $result.=$value.':'.$text;
+	    if ($target eq 'web') {
+		$result.='<br /><b>'.$value.':</b> '.$text;
+	    } else {
+		$result.=' \strut\\\\\strut '.$value.':'.$text;
+	    }
 	}
     } else {
 	my $i = 0;
@@ -267,23 +319,43 @@ sub displayfoils {
 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
 	my @alp = splice @alphabet, 0, $#whichopt + 1;
 	my $internal_counter=$Apache::lonxml::counter;
-	foreach my $name (@whichfoils) {
+        if($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
+            $result .= '\strut \\\\ \strut \\\\' ;
+        }
+        foreach my $name (@whichfoils) {
 	    my $lastopt=$lastresponse{$name};
 	    my $optionlist='';
-	    if ($target ne 'tex') {$optionlist="<option></option>\n";}
+	    if ($target ne 'tex') {
+                $optionlist = "<option></option>\n";
+            } 
+            if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
+                my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&rankresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
+                $optionlist =  &Apache::lonxml::print_pdf_start_combobox($fieldname);
+            }
 	    my $option;
 	    foreach $option (@whichopt) {
 		if ($option eq $lastopt) {
-		    if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
+		    if ($target ne 'tex' ) {
+                        $optionlist.="<option selected=\"on\">$option</option>\n";
+                    } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
+                        $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
+                    }
 		} else {
-		    if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
-		}
+		    if ($target ne 'tex') {
+                        $optionlist.="<option>$option</option>\n";
+                    } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
+                        $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
+                    }
+		} 
 	    }
 	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
-		$optionlist='<select name="HWVAL_'.
+		$optionlist='<select onchange="javascript:setSubmittedPart(\''.
+		  $part.'\');" name="HWVAL_'.
 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
 		        $optionlist."</select>\n";
-	    } else {
+	    } elsif ($env{'form.pdfFormFields'} eq 'yes') {
+                #do nothing
+            } else {
 		$optionlist=' '.$temp.' '.$optionlist.' ';
 	    }
 	    my $text=$Apache::response::foilgroup{$name.'.text'};
@@ -303,12 +375,21 @@ sub displayfoils {
 		    $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse').'\end{enumerate} \vskip -8 mm \strut ';
 		    $internal_counter++;
 		} else {
-		    $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
+                    if($env{'form.pdfFormFields'} ne 'yes') {
+		        $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
+                    } else {
+                        $result.= $optionlist.' '. &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
+                    }
 		}
 	    }
 	    $temp++;
 	}
     }
+    if ($target eq 'web') {
+	&Apache::response::setup_prior_tries_hash(\&format_prior_answer,
+						  [\@whichfoils,
+						   'submissiongrading']);
+    }
     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
     return $result;
 }
@@ -376,6 +457,9 @@ sub start_foil {
     my $result='';
     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
 	&Apache::lonxml::startredirection;
+	if ($target eq 'analyze') {
+	    &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
+	}
     } elsif ($target eq 'edit') {
 	$result=&Apache::edit::tag_start($target,$token,"Foil");
 	my $level='-2';
@@ -408,13 +492,19 @@ sub end_foil {
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
 	$target eq 'tex' || $target eq 'analyze') {
 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
+	if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
+	    $text='\vskip 5mm $\triangleright$ '.$text;
+	}
 	if ($value ne 'unused') {
 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
 	    &Apache::lonxml::debug("Got a name of :$name:");
-	    if (!$name) { $name=$Apache::lonxml::curdepth; }
+	    if ($name eq "") {
+		&Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
+		$name=$Apache::lonxml::curdepth;
+	    }
 	    &Apache::lonxml::debug("Using a name of :$name:");
 	    if (defined($Apache::response::foilnames{$name})) {
-		&Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
+		&Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
 	    }
 	    $Apache::response::foilnames{$name}++;
 	    my $location =&Apache::lonxml::get_param('location',$parstack,
@@ -423,24 +513,12 @@ sub end_foil {
 		 && !&Apache::response::showallfoils() ) {
 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
 		$Apache::response::conceptgroup{"$name.value"} = $value;
-		if ($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.text"} = $text;
 		$Apache::response::conceptgroup{"$name.location"} = $location;
 	    } else {
 		push @{ $Apache::response::foilgroup{'names'} }, $name;
 		$Apache::response::foilgroup{"$name.value"} = $value;
-		if ($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.text"} = $text;
 		$Apache::response::foilgroup{"$name.location"} = $location;
 	    }
 	}