--- loncom/homework/inputtags.pm	2002/11/08 20:34:10	1.73
+++ loncom/homework/inputtags.pm	2003/01/24 19:49:48	1.80
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.73 2002/11/08 20:34:10 sakharuk Exp $
+# $Id: inputtags.pm,v 1.80 2003/01/24 19:49:48 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -47,6 +47,8 @@ sub initialize_inputtags {
   @Apache::inputtags::responselist=();
   # list of whether or not a specific response was previously used
   @Apache::inputtags::previous=();
+  # submission it was used in
+  @Apache::inputtags::previous_version=();
   # id of current part, 0 means that no part is current (inside <problem> only
   $Apache::inputtags::part='';
   # list of problem date statuses, the first element is for <problem>
@@ -120,6 +122,13 @@ sub start_textfield {
       $result=$token->[4];
     }
     $result.=&Apache::edit::modifiedfield();
+  } elsif ($target eq 'tex') {
+      if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
+	  my $number_of_lines= &Apache::lonxml::get_param('rows',$parstack,$safeeval);
+	  $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
+	for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
+	$result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
+      }
   }
   return $result;
 }
@@ -169,6 +178,10 @@ sub start_textline {
   } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
+  } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
+      my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
+      if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
+      $result='\framebox['.$size.'][s]{\tiny\strut}';
   }
   return $result;
 }
@@ -226,6 +239,12 @@ sub finalizeawards {
     foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
   }
   if ($result eq '' ) {
+      foreach $award (@_) { if ($award eq 'MISORDERED_RANK') {$result=$award; last;} }
+  }
+  if ($result eq '' ) {
+      foreach $award (@_) { if ($award eq 'INVALID_FILETYPE') {$result=$award; last;} }
+  }
+  if ($result eq '' ) {
     foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
   }
   if ($result eq '' ) {
@@ -279,6 +298,13 @@ sub decideoutput {
   } elsif ($award eq 'WANTED_NUMERIC') {
     $message = "This question expects a numeric answer";
     $button=1;
+  } elsif ($award eq 'MISORDERED_RANK') {
+    $message = 'You have provided an invalid ranking, look '.
+    '<a href="/adm/pages/misordered_rank.html">here</a> for more information.';
+    $button=1;
+  } elsif ($award eq 'INVALID_FILETYPE') {
+    $message = 'The filetype extension of the file you uploaded is not allowed.';
+    $button=1;
   } elsif ($award eq 'SIG_FAIL') {
     $message = "Please adjust significant figures.";# you provided %s significant figures";
     $button=1;
@@ -386,13 +412,23 @@ sub grade {
     my $finalaward = &finalizeawards(@awards);
     my $previously_used;
     if ( $#Apache::inputtags::previous eq $#awards ) {
-      $previously_used = 'PREVIOUSLY_LAST';
-      foreach my $value (@Apache::inputtags::previous) {
-	if ($value eq 'PREVIOUSLY_USED' ) {
-	  $previously_used = $value;
-	  last;
+	my $match=0;
+	my @matches;
+	foreach my $versionar (@Apache::inputtags::previous_version) {
+	    foreach my $version (@$versionar) {
+		$matches[$version]++;
+	    }
+	}
+	foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
+	if ($match) {
+	    $previously_used = 'PREVIOUSLY_LAST';
+	    foreach my $value (@Apache::inputtags::previous) {
+		if ($value eq 'PREVIOUSLY_USED' ) {
+		    $previously_used = $value;
+		    last;
+		}
+	    }
 	}
-      }
     }
     &Apache::lonxml::debug("final award $finalaward, $previously_used");
     &setgradedata($finalaward,$id,$previously_used);
@@ -411,7 +447,7 @@ sub gradestatus {
 
   my $status = $Apache::inputtags::status['-1'];
   &Apache::lonxml::debug("gradestatus has :$status:");
-  if ( $status ne 'CLOSED' ) {  
+  if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE') {  
     my $award = $Apache::lonhomework::history{"resource.$id.award"};
     my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
     my $previous = $Apache::lonhomework::history{"resource.$id.previous"};