--- loncom/homework/essayresponse.pm	2004/10/12 00:08:44	1.39
+++ loncom/homework/essayresponse.pm	2005/04/05 15:38:57	1.61
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # essay (ungraded) style responses
 #
-# $Id: essayresponse.pm,v 1.39 2004/10/12 00:08:44 banghart Exp $
+# $Id: essayresponse.pm,v 1.61 2005/04/05 15:38:57 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -48,16 +48,11 @@ sub start_essayresponse {
 	my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
 	my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
         $uploadedfiletypes=~s/[^\w\,]//g;
-	my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
 	$result='<br /><table border="1">';
 	$result.='<tr><td>'.
-        '<a href='."'".'javascript:void(window.open("/adm/portfolio?action=selectfile","cat","height=300,'.
-        'width=500,scrollbars=1,resizable=1,menubar=0,location=1"))'."'".'>Select Portfolio Files</a>'.
-        '<br />'.
-            '<input type="textarea" name="selectedfiles" value="select files will appear here" /><br />'.
-	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked> '.
+	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" /> '.
 	    &mt('Submit entries below as answer to receive credit').' <br />'.
-	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no"> '.
+	    '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
 	    &mt('Save entries below as a draft answer (not submitting them for credit yet)').
 	    ' </td></tr>';
 	if ($ncol > 0) {
@@ -68,26 +63,8 @@ sub start_essayresponse {
 	    $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
 	    $result .='</td></tr>';
 	}
-        if ($uploadedfiletypes) {
-	    $result.='<tr><td>'.&mt('Submit a file:').
-		' <input type="file" size="50" name="HWFILE'.
-		$part.'_'.$id.'" onFocus="this.form.enctype='.
-		"'multipart/form-data'".';" /><br />'.
-		&mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).
-		'<br />';
-           if ($uploadedfile) {
-	       my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
-	       push (@Apache::lonxml::extlinks,$url);
-	       &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
-	       my $curfile='<a href="'.$url.
-		   '"><img src="/adm/lonIcons/unknown.gif" border=0" /> '.
-		   $uploadedfile.'</a>';
-	       $result.=&mt('Currently submitted: <tt>[_1]</tt>',$curfile);
-           } else {
-              $result.=&mt('(Hand in a file you have prepared on your computer)');
-           }
-           $result.='</td></tr>'; 
-        }
+	$result.=&Apache::inputtags::file_selector($part,$id,
+						   $uploadedfiletypes,'both');
         $result.='</table>';
     }
     return $result;
@@ -106,34 +83,20 @@ sub end_essayresponse {
 	    $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
 		if ($collaborators ne $previous_list);
 	}
-	if ( defined($ENV{'form.submitted'}) &&
-	     $ENV{'form.submitted'} eq 'scantron' ) {
+	if (  &Apache::response::submitted('scantron') ) {
 	    $increment=&Apache::response::scored_response($part,$id);
-	} elsif ( defined($ENV{'form.submitted'}) ) {
+	} elsif ( &Apache::response::submitted() ) {
 	    my $response      = $ENV{'form.HWVAL_'.$id};
             my $filename= $ENV{'form.HWFILE'.$part.'_'.$id.'.filename'};
-	    if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/)) {
- 		my $award;
-		if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
+            my $portfiles = $ENV{'form.HWPORT'.$part.'_'.$id};
+	    if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/)) {
+ 		my $award='DRAFT';
+        	if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
 		    $award='SUBMITTED';
-		} else {
-		    $award='DRAFT';
 		}
                 my $uploadedflag=0;
-                if ($filename =~ /[^\s]/) {
- 	           my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
-                   $uploadedfiletypes=~s/[^\w\,]//g;
-                   $uploadedfiletypes=','.$uploadedfiletypes.',';
-                   my ($extension)=($filename=~/\.(\w+)$/);
-	           if ($uploadedfiletypes=~/\,$extension\,/i) {
-	              $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=$filename;
-                      $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
-                         &Apache::lonnet::userfileupload('HWFILE'.$part.'_'.$id,undef,'essayresponse');
-                      $uploadedflag=1;
-		   } else {
-		      $award='INVALID_FILETYPE';
-                   }
-	        }
+		&file_submission($part,$id,'filename',$award,\$uploadedflag);
+		&file_submission($part,$id,'portfiles',$award,\$uploadedflag);
 		$Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
 		$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
 		my %previous=&Apache::response::check_for_previous($response,$part,$id);
@@ -155,9 +118,9 @@ sub end_essayresponse {
 			&Apache::lonnet::put('nohist_essay_'.$apath,
 					 { $akey => $response },$adom,$aname);
 		    }
-               }
+                }
 	    }
-	}
+	} 
     } elsif ($target eq 'edit') {
 	$result.=&Apache::edit::end_table();
     } elsif ($target eq 'tex') {
@@ -179,9 +142,55 @@ sub end_essayresponse {
 	&Apache::lonxml::increment_counter($increment);
     }
     &Apache::response::end_response;
+
     return $result;
 }
 
+sub file_submission {
+    my ($part,$id,$which,$award,$uploadedflag)=@_;
+    my $files;
+    if ($which eq 'portfiles') { $files= $ENV{'form.HWPORT'.$part.'_'.$id}; }
+    if ($which eq 'filename') {
+	$files = $ENV{'form.HWFILE'.$part.'_'.$id.'.filename'};
+    }
+    
+    if ($files =~ /[^\s]/) {
+	$files =~s/,$//;
+	$Apache::lonhomework::results{"resource.$part.$id.$which"}=$files;
+	my @submitted_files = split(/,/,$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) {
+		$award='INVALID_FILETYPE';
+	    }
+	}
+	if ($award ne 'INVALID_FILETYPE' && ref($uploadedflag)) {
+	    $$uploadedflag=1;
+	}
+	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.$crsid);
+	    &Apache::lonnet::clear_selected_files($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.'_'.$id,undef,
+						'essayresponse');
+	}
+    } elsif ($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);
+	$Apache::lonhomework::results{"resource.$part.$id.$which"}="";
+    }
+}
+
 sub check_collaborators {
     my ($ncol,$coll) = @_;
     my %classlist=&Apache::lonnet::dump('classlist',