--- loncom/homework/essayresponse.pm	2010/08/23 03:21:26	1.110
+++ loncom/homework/essayresponse.pm	2010/12/31 02:40:14	1.113
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # essay (ungraded) style responses
 #
-# $Id: essayresponse.pm,v 1.110 2010/08/23 03:21:26 raeburn Exp $
+# $Id: essayresponse.pm,v 1.113 2010/12/31 02:40:14 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -68,7 +68,7 @@ sub start_essayresponse {
         if ($Apache::lonhomework::history{"resource.$part.award"} eq 'DRAFT') {
             $status_text .= '<br />'.&mt('(Currently -- draft)');
         }
-        $result.= '<p>'.&Apache::lonhtmlcommon::start_pick_box().
+        $result.= '<div>'.&Apache::lonhtmlcommon::start_pick_box().
                   &Apache::lonhtmlcommon::row_title($status_text);
 	if (($Apache::lonhomework::type ne 'survey') &&
             ($Apache::lonhomework::type ne 'surveycred') &&
@@ -111,7 +111,7 @@ sub start_essayresponse {
         }
 	$result.=&Apache::inputtags::file_selector($part,$id,$uploadedfiletypes,
 						   $filesfrom,undef,$maxfilesize);
-        $result.=&Apache::lonhtmlcommon::end_pick_box().'</p>';
+        $result.=&Apache::lonhtmlcommon::end_pick_box().'</div>';
     } elsif ($target eq 'web' &&
 	     $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
 	my $part= $Apache::inputtags::part;
@@ -308,6 +308,8 @@ sub file_submission {
                         $port_delete{$file} = 1;
                     } elsif ($file =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/essayresponse/\Q$cdom\E/\Q$cnum\E/}) {
                         $uploaded_delete = $file; 
+                    } elsif ($file =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/essayresponse/[^/]+$}) {
+                        $uploaded_delete = $file;
                     }
                 }
             }
@@ -318,8 +320,12 @@ sub file_submission {
             }
         }
         if ($uploaded_delete) {
-            $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"} = "";
-            $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"} = "";
+            if ($uploaded_delete eq $uploadedurl) {
+                $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"} = "";
+                $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"} = "";
+            } else {
+                undef($uploaded_delete);
+            }
         }
     }
     if ($env{'form.HWPORT'.$jspart.'_'.$id} ne '') {
@@ -485,8 +491,7 @@ sub file_submission {
         push(@pathitems,$restitle);
         $path .= join('/',@pathitems);
         my $formelement = 'HWFILE'.$jspart.'_'.$id;
-        my $fname = $env{'form.'.$formelement.'.filename'};
-        &Apache::lonnet::clean_filename($fname);
+        my $fname = &Apache::lonnet::clean_filename($env{'form.'.$formelement.'.filename'});
         my $url = '/uploaded/'.$udom.'/'.$uname.'/'.$prefix.$path.'/'.$fname;
         my @stat = &Apache::lonnet::stat_file($url);
         if (@stat && $stat[0] ne 'no_such_dir') {
@@ -517,7 +522,9 @@ sub file_submission {
             $Apache::lonhomework::results{"resource.$part.$id.portfiles"} = "";
         }
     }
-    if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"} ne         $Apache::lonhomework::results{"resource.$part.$id.portfiles"}) {
+    if (($Apache::lonhomework::history{"resource.$part.$id.portfiles"} ne  
+         $Apache::lonhomework::results{"resource.$part.$id.portfiles"}) ||
+        ($uploaded_delete)) {
         if (ref($uploadedflag)) {
             $$uploadedflag=1;
         }