--- loncom/homework/essayresponse.pm	2002/08/01 19:16:45	1.14
+++ loncom/homework/essayresponse.pm	2003/01/24 18:30:54	1.20
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # essay (ungraded) style responses
 #
-# $Id: essayresponse.pm,v 1.14 2002/08/01 19:16:45 albertel Exp $
+# $Id: essayresponse.pm,v 1.20 2003/01/24 18:30:54 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -30,6 +30,8 @@
 #
 package Apache::essayresponse;
 use strict;
+use Apache::lonxml;
+use Apache::lonnet;
 
 BEGIN {
     &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
@@ -46,6 +48,8 @@ sub start_essayresponse {
 
 	my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
 	my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
+	my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
+	my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"});
 	$result='<br /><table border="1">';
 	if ($ncol > 0) {
 	    $result .='<tr><td>'.
@@ -56,6 +60,19 @@ sub start_essayresponse {
 	    $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
 	    $result .='</td></tr>';
 	}
+        if ($uploadedfiletypes) {
+           $result.=
+'<tr><td>Submit a file: <input type="file" size="50" name="HWFILE'.
+		$part.'_'.$id.'" onFocus="this.form.enctype='.
+"'multipart/form-data'".';" /><br />Allowed filetypes: <b>'.$uploadedfiletypes.'</b><br />';
+           if ($uploadedfile) {
+	       $result.='Currently submitted: <tt><a href="'.
+                &Apache::lonnet::tokenwrapper($Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}).'">'.$uploadedfile.'</a></tt>';
+           } else {
+              $result.='(Hand in a file you have prepared on your computer)';
+           }
+           $result.='</td></tr>'; 
+        }
 	$result.='<tr><td>'.
 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
 	    ' Submit text below as answer to receive credit <br />'.
@@ -70,6 +87,7 @@ sub end_essayresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $part          = $Apache::inputtags::part;
     my $id            = $Apache::inputtags::response[-1];
+    my $result;
     if ( $target eq 'grade' ) {
 	my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};	
 	if ($collaborators =~ /[^\s]/) {
@@ -77,6 +95,12 @@ sub end_essayresponse {
 	    $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
 		if ($collaborators ne $previous_list);
 	}
+        my $filename= $ENV{'form.HWFILE'.$part.'_'.$id.'.filename'};
+        if ($filename =~ /[^\s]/) {
+	    $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=$filename;
+            $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
+              &Apache::lonnet::userfileupload('HWFILE'.$part.'_'.$id);
+        }
 	if ( defined $ENV{'form.submitted'}) {
 	    my $response      = $ENV{'form.HWVAL'.$id};
 	    if ( $response =~ /[^\s]/) {
@@ -92,10 +116,19 @@ sub end_essayresponse {
 		&Apache::response::handle_previous(\%previous,$award);
 	    }
 	}
+    } elsif ($target eq 'edit') {
+	$result.=&Apache::edit::end_table();
+    } elsif ($target eq 'tex') {
+	if ($Apache::lonhomework::type eq 'exam') {
+	    $result.='\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Live blank on scoring form}\vskip 0 mm';
+	    &Apache::lonxml::increment_counter();
+	    $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm \end{enumerate}';
+	    &Apache::lonxml::increment_counter();
+	}
     }
 
     &Apache::response::end_response;
-    return '';
+    return $result;
 }
 
 sub check_collaborators {