--- loncom/homework/essayresponse.pm	2005/04/08 19:21:52	1.63
+++ loncom/homework/essayresponse.pm	2006/03/09 01:07:04	1.70
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # essay (ungraded) style responses
 #
-# $Id: essayresponse.pm,v 1.63 2005/04/08 19:21:52 albertel Exp $
+# $Id: essayresponse.pm,v 1.70 2006/03/09 01:07:04 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -42,7 +42,8 @@ sub start_essayresponse {
     my $id = &Apache::response::start_response($parstack,$safeeval);
     if ($target eq 'meta') {
 	$result=&Apache::response::meta_package_write('essayresponse');
-    } elsif ($target eq 'web') {
+    } elsif ($target eq 'web' &&
+	     $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
 	my $part= $Apache::inputtags::part;
 	my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
 	my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
@@ -50,16 +51,21 @@ sub start_essayresponse {
         $uploadedfiletypes=~s/[^\w\,]//g;
 	$result='<br /><table border="1">';
 	$result.='<tr><td>'.
+            '<label>'.
 	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" /> '.
-	    &mt('Submit entries below as answer to receive credit').' <br />'.
-	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
+	    &mt('Submit entries below as answer to receive credit').
+            '</label> <br />'.
+	    '<label>'.
+            '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
 	    &mt('Save entries below as a draft answer (not submitting them for credit yet)').
-	    ' </td></tr>';
+	    '</label>'.
+            ' </td></tr>';
 	if ($ncol > 0) {
-	    $result .='<tr><td>'.
+	    $result .='<tr><td>'.'<label>'.
 		'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
 		$part.'_'.$id.'" value="'.$coll.'" /><br />'.
-		&mt('(Enter maximum [_1] collaborators using username or username@domain, e.g. smithje or smithje@[_2].)',$ncol,$env{'user.domain'}).'<br />';
+		&mt('(Enter maximum [_1] collaborators using username or username@domain, e.g. smithje or smithje@[_2].)',$ncol,$env{'user.domain'}).
+                '</label><br />';
 	    $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
 	    $result .='</td></tr>';
 	}
@@ -74,7 +80,7 @@ sub end_essayresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $part          = $Apache::inputtags::part;
     my $id            = $Apache::inputtags::response[-1];
-    my $increment     = 1;
+    my $increment     = &Apache::response::repetition();
     my $result;
     if ( $target eq 'grade' ) {
 	my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};	
@@ -136,6 +142,10 @@ sub end_essayresponse {
 	    $result.= '\end{enumerate}';
 	    $increment=$repetition;
 	}
+    } elsif ($target eq 'answer') {
+	$result.=&Apache::response::answer_header($$tagstack[-1]);
+	$result.=&Apache::response::answer_part($$tagstack[-1],'');
+	$result.=&Apache::response::answer_footer($$tagstack[-1]);
     }
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
 	$target eq 'tex' || $target eq 'analyze') {
@@ -149,22 +159,31 @@ sub end_essayresponse {
 sub file_submission {
     my ($part,$id,$which,$award,$uploadedflag)=@_;
     my $files;
-    if ($which eq 'portfiles') { $files= $env{'form.HWPORT'.$part.'_'.$id}; }
+    my $jspart=$part;
+    $jspart=~s/\./_/g;
+    if ($which eq 'portfiles') { $files= $env{'form.HWPORT'.$jspart.'_'.$id}; }
     if ($which eq 'filename') {
-	$files = $env{'form.HWFILE'.$part.'_'.$id.'.filename'};
+	$files = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'};
     }
     
     if ($files =~ /[^\s]/) {
 	$files =~s/,$//;
 	$Apache::lonhomework::results{"resource.$part.$id.$which"}=$files;
-	my @submitted_files = split(/,/,$files);
+	
+	my @submitted_files = ($files);
+	if ( $which eq 'portfiles' ) {
+	    @submitted_files = split(/,/,$files);
+	}
+
 	my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
-	$uploadedfiletypes=~s/[^\w\,]//g;
-	$uploadedfiletypes=','.$uploadedfiletypes.',';
-	foreach my $file (@submitted_files) {
-	    my ($extension)=($file=~/\.(\w+)$/);
-	    unless ($uploadedfiletypes=~/\,$extension\,/i) {
-		$$award='INVALID_FILETYPE';
+	if ($uploadedfiletypes) {
+	    $uploadedfiletypes=~s/[^\w\,]//g;
+	    $uploadedfiletypes=','.$uploadedfiletypes.',';
+	    foreach my $file (@submitted_files) {
+		my ($extension)=($file=~/\.(\w+)$/);
+		unless ($uploadedfiletypes=~/\,$extension\,/i) {
+		    $$award='INVALID_FILETYPE';
+		}
 	    }
 	}
 	if ($$award ne 'INVALID_FILETYPE' && ref($uploadedflag)) {
@@ -172,21 +191,21 @@ sub file_submission {
 	}
 	if ($$award ne 'INVALID_FILETYPE' && $which eq 'portfiles') {
 	    my ($symb,$crsid,$domain,$name)=&Apache::lonxml::whichuser();
-	    &Apache::lonnet::unmark_as_readonly($domain,$name,$symb.$crsid);
-	    &Apache::lonnet::mark_as_readonly($domain,$name,\@submitted_files,$symb.$crsid);
+	    &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
+	    &Apache::lonnet::mark_as_readonly($domain,$name,\@submitted_files,[$symb,$crsid]);
 	    &Apache::lonnet::clear_selected_files($name);
 	}
 	if ($$award ne 'INVALID_FILETYPE' && $which eq 'filename') {
 	    $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=
 		$files;
 	    $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
-		&Apache::lonnet::userfileupload('HWFILE'.$part.'_'.$id,undef,
+		&Apache::lonnet::userfileupload('HWFILE'.$jspart.'_'.$id,undef,
 						'essayresponse');
 	}
     } elsif ($which eq 'portfiles' &&
 	     $Apache::lonhomework::history{"resource.$part.$id.$which"}) {
 	my ($symb,$crsid,$domain,$name)=&Apache::lonxml::whichuser();
-	&Apache::lonnet::unmark_as_readonly($domain,$name,$symb.$crsid);
+	&Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
 	$Apache::lonhomework::results{"resource.$part.$id.$which"}="";
     }
 }