--- loncom/homework/grades.pm	2011/10/11 18:04:40	1.661
+++ loncom/homework/grades.pm	2011/11/30 23:24:49	1.665
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.661 2011/10/11 18:04:40 www Exp $
+# $Id: grades.pm,v 1.665 2011/11/30 23:24:49 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2905,8 +2905,10 @@ sub handback_files {
 		        &file_name_version_ext($answer_file);
 		    my ($portfolio_path) = ($directory =~ /^.+$stuname\/portfolio(.*)/);
                     my $getpropath = 1;
-		    my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$portfolio_path,$domain,$stuname,$getpropath);
-		    my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
+                    my ($dir_list,$listerror) = 
+                        &Apache::lonnet::dirlist($portfolio_root.$portfolio_path,
+                                                 $domain,$stuname,$getpropath);
+		    my $version = &get_next_version($answer_name,$answer_ext,$dir_list);
                     # fix file name
                     my ($save_file_name) = (($directory.$answer_name.".$version.".$answer_ext) =~ /^.+\/${stuname}\/(.*)/);
                     my $result=&Apache::lonnet::finishuserfileupload($stuname,$domain,
@@ -3067,8 +3069,10 @@ sub version_portfiles {
 		my ($answer_name,$answer_ver,$answer_ext) =
 		    &file_name_version_ext($answer_file);
                 my $getpropath = 1;    
-                my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$directory,$domain,$stu_name,$getpropath);
-                my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
+                my ($dir_list,$listerror) = 
+                    &Apache::lonnet::dirlist($portfolio_root.$directory,$domain,
+                                             $stu_name,$getpropath);
+                my $version = &get_next_version($answer_name,$answer_ext,$dir_list);
                 my $new_answer = &version_selected_portfile($domain, $stu_name, $directory, $answer_file, $version);
                 if ($new_answer ne 'problem getting file') {
                     push(@versioned_portfiles, $directory.$new_answer);
@@ -3087,21 +3091,24 @@ sub version_portfiles {
 sub get_next_version {
     my ($answer_name, $answer_ext, $dir_list) = @_;
     my $version;
-    foreach my $row (@$dir_list) {
-        my ($file) = split(/\&/,$row,2);
-        my ($file_name,$file_version,$file_ext) =
-	    &file_name_version_ext($file);
-        if (($file_name eq $answer_name) && 
-	    ($file_ext eq $answer_ext)) {
-                # gets here if filename and extension match, regardless of version
+    if (ref($dir_list) eq 'ARRAY') {
+        foreach my $row (@{$dir_list}) {
+            my ($file) = split(/\&/,$row,2);
+            my ($file_name,$file_version,$file_ext) =
+	        &file_name_version_ext($file);
+            if (($file_name eq $answer_name) && 
+	        ($file_ext eq $answer_ext)) {
+                     # gets here if filename and extension match, 
+                     # regardless of version
                 if ($file_version ne '') {
-                # a versioned file is found  so save it for later
-                if ($file_version > $version) {
-		    $version = $file_version;
-	        }
+                    # a versioned file is found  so save it for later
+                    if ($file_version > $version) {
+		        $version = $file_version;
+	            }
+                }
             }
         }
-    } 
+    }
     $version ++;
     return($version);
 }
@@ -4999,14 +5006,16 @@ sub scantron_filenames {
     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
     my $getpropath = 1;
-    my @files=&Apache::lonnet::dirlist('userfiles',$cdom,$cname,
-                                       $getpropath);
+    my ($dirlist,$listerror) = &Apache::lonnet::dirlist('userfiles',$cdom,
+                                                        $cname,$getpropath);
     my @possiblenames;
-    foreach my $filename (sort(@files)) {
-	($filename)=split(/&/,$filename);
-	if ($filename!~/^scantron_orig_/) { next ; }
-	$filename=~s/^scantron_orig_//;
-	push(@possiblenames,$filename);
+    if (ref($dirlist) eq 'ARRAY') {
+        foreach my $filename (sort(@{$dirlist})) {
+	    ($filename)=split(/&/,$filename);
+	    if ($filename!~/^scantron_orig_/) { next ; }
+	    $filename=~s/^scantron_orig_//;
+	    push(@possiblenames,$filename);
+        }
     }
     return @possiblenames;
 }
@@ -6217,6 +6226,12 @@ sub scantron_warning_screen {
 	    '<tr><td><b>'.&mt('List of CODES to validate against:').'</b></td><td><tt>'.
 	    $env{'form.scantron_CODElist'}.'</tt></td></tr>';
     }
+    my $lastbubblepoints;
+    if ($env{'form.scantron_lastbubblepoints'} ne '') {
+        $lastbubblepoints =
+            '<tr><td><b>'.&mt('Hand-graded items: points from last bubble in row').'</b></td><td><tt>'.
+            $env{'form.scantron_lastbubblepoints'}.'</tt></td></tr>';
+    }
     return ('
 <p>
 <span class="LC_warning">
@@ -6225,7 +6240,7 @@ sub scantron_warning_screen {
 <table>
 <tr><td><b>'.&mt('Sequence to be Graded:').'</b></td><td>'.$title.'</td></tr>
 <tr><td><b>'.&mt('Data File that will be used:').'</b></td><td><tt>'.$env{'form.scantron_selectfile'}.'</tt></td></tr>
-'.$CODElist.'
+'.$CODElist.$lastbubblepoints.'
 </table>
 <p> '.&mt('If this information is correct, please click on \'[_1]\'.',&mt($button_text)).'<br />
 '.&mt('If something is incorrect, please return to [_1]Grade/Manage/Review Bubblesheets[_2] to start over.','<a href="/adm/grades?symb='.$symb.'&command=scantron_selectphase" class="LC_info">','</a>').'</p>
@@ -6263,8 +6278,9 @@ sub scantron_do_warning {
 	} 
     } else {
 	my $warning=&scantron_warning_screen('Grading: Validate Records',$symb);
+        my $bubbledbyhand=&hand_bubble_option();
 	$r->print('
-'.$warning.'
+'.$warning.$bubbledbyhand.'
 <input type="submit" name="submit" value="'.&mt('Grading: Validate Records').'" />
 <input type="hidden" name="command" value="scantron_validate" />
 ');
@@ -6360,6 +6376,9 @@ sub scantron_validate_file {
         return '';
     }
     my $result=&scantron_form_start($max_bubble).$default_form_data;
+    if ($env{'form.scantron_lastbubblepoints'} ne '') {
+        $result .= '<input type="hidden" name="scantron_lastbubblepoints" value="'.$env{'form.scantron_lastbubblepoints'}.'" />';
+    }
     $r->print($result);
     
     my @validate_phases=( 'sequence',
@@ -6890,7 +6909,7 @@ sub scantron_get_correction {
        .&mt('The ID on the form is [_1]',
             "<tt>$$scan_record{'scantron.ID'}</tt>")
        .'<br />'
-       .&mt('The name on the paper is [_2], [_3]',
+       .&mt('The name on the paper is [_1], [_2]',
             $$scan_record{'scantron.LastName'},
             $$scan_record{'scantron.FirstName'})
        .'</p>';
@@ -7632,6 +7651,41 @@ sub scantron_validate_missingbubbles {
     return (0,$currentphase+1);
 }
 
+sub hand_bubble_option {
+    my (undef, undef, $sequence) =
+        &Apache::lonnet::decode_symb($env{'form.selectpage'});
+    return if ($sequence eq '');
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    unless (ref($navmap)) {
+        return;
+    }
+    my $needs_hand_bubbles;
+    my $map=$navmap->getResourceByUrl($sequence);
+    my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
+    foreach my $res (@resources) {
+        if (ref($res)) {
+            if ($res->is_problem()) {
+                my $partlist = $res->parts();
+                foreach my $part (@{ $partlist }) {
+                    my @types = $res->responseType($part);
+                    if (grep(/^(chem|essay|image|formula|math|string|functionplot)$/,@types)) {
+                        $needs_hand_bubbles = 1;
+                        last;
+                    }
+                }
+            }
+        }
+    }
+    if ($needs_hand_bubbles) {
+        my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
+        my $bubbles_per_row = &bubblesheet_bubbles_per_row(\%scantron_config);
+        return &mt('The sequence to be graded contains response types which are handgraded.').'<p>'.
+               &mt('If you have already graded these by bubbling sheets to indicate points awarded, [_1]what point value is assigned to a filled last bubble in each row?','<br />').
+               '<label><input type="radio" name="scantron_lastbubblepoints" value="'.$bubbles_per_row.'" checked="checked" />'.&mt('[quant,_1,point]',$bubbles_per_row).'</label>&nbsp;'.&mt('or').'&nbsp;'.
+               '<label><input type="radio" name="scantron_lastbubblepoints" value="0"/>0 points</label></p>';
+    }
+    return;
+}
 
 sub scantron_process_students {
     my ($r,$symb) = @_;
@@ -7923,6 +7977,9 @@ sub grade_student_bubbles {
             if ($bubbles_per_row ne '') {
                 $form{'bubbles_per_row'} = $bubbles_per_row;
             }
+            if ($env{'form.scantron_lastbubblepoints'} ne '') {
+                $form{'scantron_lastbubblepoints'} = $env{'form.scantron_lastbubblepoints'};
+            }
             if (ref($parts) eq 'HASH') {
                 if (ref($parts->{$ressymb}) eq 'ARRAY') {
                     foreach my $part (@{$parts->{$ressymb}}) {
@@ -9331,23 +9388,25 @@ sub handler {
     }
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
 
+# see what command we need to execute
+
+    my @commands=&Apache::loncommon::get_env_multiple('form.command');
+    my $command=$commands[0];
+
     &init_perm();
     if (!$env{'request.course.id'}) {
-        # Not in a course.
-        $env{'user.error.msg'}="/adm/grades::vgr:0:0:Cannot display grades page outside course context";
-        return HTTP_NOT_ACCEPTABLE;
+        unless ((&Apache::lonnet::allowed('usc',$env{'request.role.domain'})) &&
+                ($command =~ /^scantronupload/)) {
+            # Not in a course.
+            $env{'user.error.msg'}="/adm/grades::vgr:0:0:Cannot display grades page outside course context";
+            return HTTP_NOT_ACCEPTABLE;
+        }
     } elsif (!%perm) {
         $request->internal_redirect('/adm/quickgrades');
     }
     &Apache::loncommon::content_type($request,'text/html');
     $request->send_http_header;
 
-
-# see what command we need to execute
-
-    my @commands=&Apache::loncommon::get_env_multiple('form.command');
-    my $command=$commands[0];
-
     if ($#commands > 0) {
 	&Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands));
     }