--- loncom/homework/grades.pm 2009/06/06 19:36:37 1.574.2.2 +++ loncom/homework/grades.pm 2010/01/15 16:41:43 1.588 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Grading handler # -# $Id: grades.pm,v 1.574.2.2 2009/06/06 19:36:37 raeburn Exp $ +# $Id: grades.pm,v 1.588 2010/01/15 16:41:43 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -97,9 +97,15 @@ sub ssi_print_error { # # --- Retrieve the parts from the metadata file.--- sub getpartlist { - my ($symb) = @_; + my ($symb,$errorref) = @_; my $navmap = Apache::lonnavmaps::navmap->new(); + unless (ref($navmap)) { + if (ref($errorref)) { + $$errorref = 'navmap'; + return; + } + } my $res = $navmap->getBySymb($symb); my $partlist = $res->parts(); my $url = $res->src(); @@ -144,9 +150,15 @@ sub nameUserString { #--- Get the partlist and the response type for a given problem. --- #--- Indicate if a response type is coded handgraded or not. --- sub response_type { - my ($symb) = shift; + my ($symb,$response_error) = @_; my $navmap = Apache::lonnavmaps::navmap->new(); + unless (ref($navmap)) { + if (ref($response_error)) { + $$response_error = 1; + } + return; + } my $res = $navmap->getBySymb($symb); my $partlist = $res->parts(); my %vPart = @@ -183,7 +195,8 @@ sub get_display_part { my ($partID,$symb)=@_; my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb); if (defined($display) and $display ne '') { - $display.= " (id $partID)"; + $display.= ' (' + .&mt('Part ID: [_1]',$partID).')'; } else { $display=$partID; } @@ -193,37 +206,49 @@ sub get_display_part { #--- Show resource title #--- and parts and response type sub showResourceInfo { - my ($symb,$probTitle,$checkboxes) = @_; - my $col=3; - if ($checkboxes) { $col=4; } + my ($symb,$probTitle,$checkboxes,$res_error) = @_; my $result = '

'.&mt('Current Resource').': '.$probTitle.'

'."\n"; - $result .=''; - my ($partlist,$handgrade,$responseType) = &response_type($symb); + my ($partlist,$handgrade,$responseType) = &response_type($symb,$res_error); + if (ref($res_error)) { + if ($$res_error) { + return; + } + } + $result.=&Apache::loncommon::start_data_table() + .&Apache::loncommon::start_data_table_header_row(); + if ($checkboxes) { + $result.=''; + } + $result.='' + .'' + .'' + .&Apache::loncommon::end_data_table_header_row(); my %resptype = (); my $hdgrade='no'; my %partsseen; foreach my $partID (sort(keys(%$responseType))) { - foreach my $resID (sort(keys(%{ $responseType->{$partID} }))) { - my $handgrade=$$handgrade{$partID.'_'.$resID}; - my $responsetype = $responseType->{$partID}->{$resID}; - $hdgrade = $handgrade if ($handgrade eq 'yes'); - $result.=''; - if ($checkboxes) { - if (exists($partsseen{$partID})) { - $result.=""; - } else { - $result.=""; - } - $partsseen{$partID}=1; - } - my $display_part=&get_display_part($partID,$symb); - $result.=''. - ''; -# ''; - } + foreach my $resID (sort(keys(%{ $responseType->{$partID} }))) { + my $handgrade=$$handgrade{$partID.'_'.$resID}; + my $responsetype = $responseType->{$partID}->{$resID}; + $hdgrade = $handgrade if ($handgrade eq 'yes'); + $result.=&Apache::loncommon::start_data_table_row(); + if ($checkboxes) { + if (exists($partsseen{$partID})) { + $result.=""; + } else { + $result.=""; + } + $partsseen{$partID}=1; + } + my $display_part=&get_display_part($partID,$symb); + $result.='' + .'' + .'' +# .'' + .&Apache::loncommon::end_data_table_row(); + } } - $result.='
 '.&mt('Problem Part').''.&mt('Res. ID').''.&mt('Type').'
 '.&mt('Part').': '.$display_part. - ' '.$resID.''.&mt('Type').': '.$responsetype.'
'.&mt('Handgrade: [_1]',$handgrade).'
 '.$display_part.''.''.$resID.''.&mt($responsetype).''.&mt('Handgrade: [_1]',$handgrade).'
'."\n"; + $result.=&Apache::loncommon::end_data_table(); return $result,$responseType,$hdgrade,$partlist,$handgrade; } @@ -754,7 +779,7 @@ sub verifyreceipt { my $title.= '

'. - &mt('Verifying Receipt No. [_1]',$receipt). + &mt('Verifying Receipt No. [_1]',$receipt). '

'."\n". '

'.&mt('Resource: [_1]',$env{'form.probTitle'}). '

'."\n"; @@ -766,7 +791,13 @@ sub verifyreceipt { if ($env{"course.$courseid.receiptalg"} eq 'receipt2' || $env{"course.$courseid.receiptalg"} eq 'receipt3') { $receiptparts=1; } my $parts=['0']; - if ($receiptparts) { ($parts)=&response_type($symb); } + if ($receiptparts) { + my $res_error; + ($parts)=&response_type($symb,\$res_error); + if ($res_error) { + return &navmap_errormsg(); + } + } my $header = &Apache::loncommon::start_data_table(). @@ -808,11 +839,14 @@ sub verifyreceipt { } } if ($matches == 0) { - $string = $title.&mt('No match found for the above receipt.'); + $string = $title + .'

' + .&mt('No match found for the above receipt number.') + .'

'; } else { $string = &jscriptNform($symb).$title. '

'. - &mt('The above receipt matches the following [numerate,_1,student].',$matches). + &mt('The above receipt number matches the following [quant,_1,student].',$matches). '

'. $header. $contents. @@ -1677,6 +1711,25 @@ sub get_increment { return $increment; } +sub gradeBox_start { + return ( + &Apache::loncommon::start_data_table() + .&Apache::loncommon::start_data_table_header_row() + .''.&mt('Part').'' + .''.&mt('Points').'' + .' ' + .''.&mt('Assign Grade').'' + .''.&mt('Weight').'' + .''.&mt('Grade Status').'' + .&Apache::loncommon::end_data_table_header_row() + ); +} + +sub gradeBox_end { + return ( + &Apache::loncommon::end_data_table() + ); +} #--- displays the grading box, used in essay type problem and grading by page/sequence sub gradeBox { my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_; @@ -1696,7 +1749,7 @@ sub gradeBox { if ($last_resets{$partid}) { $aggtries = &get_num_tries($record,$last_resets{$partid},$partid); } - $result.=''; + $result.=&Apache::loncommon::start_data_table_row(); my $ctr = 0; my $thisweight = 0; my $increment = &get_increment(); @@ -1719,8 +1772,8 @@ sub gradeBox { $wgt.')" />'."\n"; $line.='',$display_part,$radio,$line); $result .= - ''. - - $result.='
/'.$wgt.' '.$wgtmsg. ($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? ' '.$checkIcon : ''). - ' '.&mt('Grade Status').':'."\n"; - $line.='Part:[_1]Points:[_2]or[_3]'.&mt('Part').':'.$display_part.''.&mt('Points').':'.$radio.''.&mt('or').''.$line.'
'."\n"; + ''.$display_part.''.$radio.''.&mt('or').''.$line.''; + $result.=&Apache::loncommon::end_data_table_row(); $result.=''."\n". ''."\n". ''."\n". ''."\n"; - $result.=&handback_box($symb,$uname,$udom,$counter,$partid,$record); + my $res_error; + $result.=&handback_box($symb,$uname,$udom,$counter,$partid,$record,\$res_error); + if ($res_error) { + return &navmap_errormsg(); + } return $result; } sub handback_box { - my ($symb,$uname,$udom,$counter,$partid,$record) = @_; - my ($partlist,$handgrade,$responseType) = &response_type($symb); + my ($symb,$uname,$udom,$counter,$partid,$record,$res_error) = @_; + my ($partlist,$handgrade,$responseType) = &response_type($symb,$res_error); my (@respids); my @part_response_id = &flatten_responseType($responseType); foreach my $part_response_id (@part_response_id) { @@ -1813,26 +1869,23 @@ sub show_problem { $companswer=~s|name="submit"|name="would_have_been_submit"|g; } $rendered= - '
'. - &mt('View of the problem'). - '
'. - $rendered. - '
'; + '
' + .'

'.&mt('View of the problem').'

' + .$rendered + .'
'; $companswer= - '
'. - &mt('Correct answer'). - '
'. - $companswer. - '
'; + '
' + .'

'.&mt('Correct answer').'

' + .$companswer + .'
'; my $result; if ($mode eq 'both') { - $result=$rendered.$companswer; + $result=$rendered.$companswer; } elsif ($mode eq 'text') { - $result=$rendered; + $result=$rendered; } elsif ($mode eq 'answer') { - $result=$companswer; + $result=$companswer; } - $result='
'.$result.'
'; return $result; } @@ -2046,24 +2099,27 @@ KEYWORDS } my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname); - my ($partlist,$handgrade,$responseType) = &response_type($symb); + my $res_error; + my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error); + if ($res_error) { + $request->print(&navmap_errormsg()); + return; + } # Display student info $request->print(($counter == 0 ? '' : '
')); my $result='
'; - $result.='
'; - $result.= &mt('Submissions'); + $result.='
' + .'

'.&mt('Submissions').'

'; $result.=''."\n"; + '" value="'.$env{'form.fullname'}.'" />'."\n"; if ($env{'form.handgrade'} eq 'no') { - $result.=''. - &mt('Part(s) graded correct by the computer is marked with a [_1] symbol.',$checkIcon)."\n"; - + $result.='

' + .&mt('Part(s) graded correct by the computer is marked with a [_1] symbol.',$checkIcon) + ."

\n"; } - - # If any part of the problem is an essay-response (handgraded), then check for collaborators my $fullname; my $col_fullnames = []; @@ -2074,9 +2130,9 @@ KEYWORDS $result.=$sub_result; } $request->print($result."\n"); - $request->print('
'."\n"); + # print student answer/submission - # Options are (1) Handgaded submission only + # Options are (1) Handgraded submission only # (2) Last submission, includes submission that is not handgraded # (for multi-response type part) # (3) Last submission plus the parts info @@ -2086,10 +2142,10 @@ KEYWORDS my $lastsubonly; - if ($$timestamp eq '') { - $lastsubonly.='
'.$$string[0].'
'; - } else { - $lastsubonly = '
Date Submitted: '.$$timestamp."\n"; + if ($$timestamp eq '') { + $lastsubonly.='
'.$$string[0].'
'; + } else { + $lastsubonly = '
Date Submitted: '.$$timestamp."\n"; my %seenparts; my @part_response_id = &flatten_responseType($responseType); @@ -2113,9 +2169,11 @@ KEYWORDS } my $responsetype = $responseType->{$partid}->{$respid}; if (!exists($record{"resource.$partid.$respid.submission"})) { - $lastsubonly.="\n".'
Part: '. - $display_part.' ( ID '.$respid. - ' )   '. + $lastsubonly.="\n".'
'. + ''.&mt('Part: [_1]',$display_part).''. + ' '. + '('.&mt('Part ID: [_1]',$respid).')'. + '   '. ''.&mt('Nothing submitted - no attempts.').'

'; next; } @@ -2151,9 +2209,11 @@ KEYWORDS ($env{'form.lastSub'} eq 'hdgrade' && $$handgrade{$$part[0].'_'.$$part[1]} eq 'yes')) { my $display_part=&get_display_part($partid,$symb); - $lastsubonly.='
Part: '. - $display_part.' ( ID '.$respid. - ' )   '; + $lastsubonly.='
'. + ''.&mt('Part: [_1]',$display_part).''. + ' '. + '('.&mt('Part ID: [_1]',$respid).')'. + '   '; my $files=&get_submitted_files($udom,$uname,$partid,$respid,\%record); if (@$files) { $lastsubonly.='
'.&mt('Like all files provided by users, this file may contain viruses').'
'; @@ -2173,7 +2233,7 @@ KEYWORDS } } } - $lastsubonly.='
'."\n"; + $lastsubonly.='
'."\n"; # End: LC_grade_submissions_body } $request->print($lastsubonly); } elsif ($env{'form.lastSub'} eq 'datesub') { @@ -2235,11 +2295,11 @@ KEYWORDS my @partlist; my @gradePartRespid; my @part_response_id = &flatten_responseType($responseType); - $request->print('
'. - - '
'. - &mt('Assign Grades').'
'. - '
'); + $request->print( + '
' + .'

'.&mt('Assign Grades').'

' + ); + $request->print(&gradeBox_start()); #
foreach my $part_response_id (@part_response_id) { my ($partid,$respid) = @{ $part_response_id }; my $part_resp = join('_',@{ $part_response_id }); @@ -2251,7 +2311,8 @@ KEYWORDS push(@gradePartRespid,$partid.'.'.$respid); $request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record)); } - $request->print('
'); + $request->print(&gradeBox_end()); #
+ $request->print('
'); $request->print('
'); if ($perm{'vgr'}) { @@ -2593,7 +2654,12 @@ sub processHandGrade { } $ctr = 0; @parsedlist = reverse @parsedlist if ($button eq 'Previous'); - my ($partlist) = &response_type($symb); + my $res_error; + my ($partlist) = &response_type($symb,\$res_error); + if ($res_error) { + $request->print(&navmap_errormsg()); + return; + } foreach my $student (@parsedlist) { my $submitonly=$env{'form.submitonly'}; my ($uname,$udom) = split(/:/,$student); @@ -2791,8 +2857,12 @@ sub check_and_remove_from_queue { sub handback_files { my ($request,$symb,$stuname,$domain,$newflg,$new_part,$newrecord) = @_; my $portfolio_root = '/userfiles/portfolio'; - my ($partlist,$handgrade,$responseType) = &response_type($symb); - + my $res_error; + my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error); + if ($res_error) { + $request->print('
'.&navmap_errormsg().'
'); + return; + } my @part_response_id = &flatten_responseType($responseType); foreach my $part_response_id (@part_response_id) { my ($part_id,$resp_id) = @{ $part_response_id }; @@ -3250,7 +3320,11 @@ sub viewgrades { $result.= '

'.$common_header.'

'.&Apache::loncommon::start_data_table(); #radio buttons/text box for assigning points for a section or class. #handles different parts of a problem - my ($partlist,$handgrade,$responseType) = &response_type($symb); + my $res_error; + my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error); + if ($res_error) { + return &navmap_errormsg(); + } my %weight = (); my $ctsparts = 0; my %seen = (); @@ -3294,7 +3368,7 @@ sub viewgrades { $result.= &Apache::loncommon::start_data_table_row()."\n". - ''.&mt('Part').':'.$display_part.''.&mt('Points').':'.$radio.''.&mt('or').''.$line.''. + ''.&mt('Part:').''.$display_part.''.&mt('Points:').''.$radio.''.&mt('or').''.$line.''. &Apache::loncommon::end_data_table_row()."\n"; $ctsparts++; } @@ -3310,7 +3384,11 @@ sub viewgrades { &Apache::loncommon::start_data_table_header_row(). ''.&mt('No.').''. ''.&nameUserString('header')."\n"; - my (@parts) = sort(&getpartlist($symb)); + my $partserror; + my (@parts) = sort(&getpartlist($symb,\$partserror)); + if ($partserror) { + return &navmap_errormsg(); + } my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb); my @partids = (); foreach my $part (@parts) { @@ -3469,7 +3547,11 @@ sub editgrades { my %columns = (); my ($i,$ctr,$count,$rec_update) = (0,0,0,0); - my (@parts) = sort(&getpartlist($symb)); + my $partserror; + my (@parts) = sort(&getpartlist($symb,\$partserror)); + if ($partserror) { + return &navmap_errormsg(); + } my $header; while ($ctr < $env{'form.totalparts'}) { my $partid = $env{'form.partid_'.$ctr}; @@ -3801,8 +3883,14 @@ ENDPICK } sub csvupload_fields { - my ($symb) = @_; - my (@parts) = &getpartlist($symb); + my ($symb,$errorref) = @_; + my (@parts) = &getpartlist($symb,$errorref); + if (ref($errorref)) { + if ($$errorref) { + return; + } + } + my @fields=(['ID','Student/Employee ID'], ['username','Student Username'], ['domain','Student Domain']); @@ -3902,8 +3990,12 @@ sub csvuploadmap { &csvuploadmap_header($request,$symb,$datatoken,$#records+1); my ($i,$keyfields); if (@records) { - my @fields=&csvupload_fields($symb); - + my $fieldserror; + my @fields=&csvupload_fields($symb,\$fieldserror); + if ($fieldserror) { + $request->print(&navmap_errormsg()); + return; + } if ($env{'form.upfile_associate'} eq 'reverse') { &Apache::loncommon::csv_print_samples($request,\@records); $i=&Apache::loncommon::csv_print_select_table($request,\@records, @@ -4139,7 +4231,12 @@ LISTJAVASCRIPT &mt('Manual Grading by Page or Sequence').''; $result.='
'."\n"; - my ($titles,$symbx) = &getSymbMap(); + my $map_error; + my ($titles,$symbx) = &getSymbMap($map_error); + if ($map_error) { + $request->print(&navmap_errormsg()); + return; + } my ($curpage) =&Apache::lonnet::decode_symb($symb); # my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb); # my $type=($curpage =~ /\.(page|sequence)/); @@ -4234,8 +4331,14 @@ LISTJAVASCRIPT } sub getSymbMap { + my ($map_error) = @_; my $navmap = Apache::lonnavmaps::navmap->new(); - + unless (ref($navmap)) { + if (ref($map_error)) { + $$map_error = 'navmap'; + } + return; + } my %symbx = (); my @titles = (); my $minder = 0; @@ -4294,6 +4397,11 @@ sub displayPage { $request->print($result); my $navmap = Apache::lonnavmaps::navmap->new(); + unless (ref($navmap)) { + $request->print(&navmap_errormsg()); + $request->print(&show_grading_menu_form($symb)); + return; + } my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($env{'form.page'}); my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps if (!$map) { @@ -4392,11 +4500,13 @@ sub displayPage { } if (&canmodify($usec)) { + $studentTable.=&gradeBox_start(); foreach my $partid (@{$parts}) { $studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record); $studentTable.=''."\n"; $question++; } + $studentTable.=&gradeBox_end(); $prob++; } $studentTable.=''; @@ -4466,13 +4576,16 @@ sub displaySubByDates { my ($responseId)= ($isTask ? ($matchKey=~ /^resource\.(.*?)\.\Q$partid\E\.award$/) : ($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/)); - $displaySub[0].=''.&mt('Part:').' '.$display_part.' '; - $displaySub[0].='('.&mt('ID').' '. - $responseId.') '; + $displaySub[0].='' + .' ' + .'('.&mt('Part ID: [_1]',$responseId).')' + .'' + .' '; if ($$record{"$where.$partid.tries"} eq '') { - $displaySub[0].=&mt('Trial not counted'); + $displaySub[0].=&mt('Trial not counted'); } else { - $displaySub[0].=&mt('Trial [_1]', + $displaySub[0].=&mt('Trial: [_1]', $$record{"$where.$partid.tries"}); } my $responseType=($isTask ? 'Task' @@ -4483,7 +4596,8 @@ sub displaySubByDates { &get_order($partid,$responseId,$symb,$uname,$udom, $no_increment); } - $displaySub[0].='  '. + $displaySub[0].=''; # /nobreak + $displaySub[0].='  '. &cleanRecord($$record{$version.':'.$matchKey},$responseType,$symb,$partid,$responseId,$record,$orders{$partid}->{$responseId},"$version:",$uname,$udom).'
'; } } @@ -4544,7 +4658,12 @@ sub updateGradeByPage { $request->print($result); + my $navmap = Apache::lonnavmaps::navmap->new(); + unless (ref($navmap)) { + $request->print(&navmap_errormsg()); + return; + } my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $env{'form.page'}); my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps if (!$map) { @@ -4689,7 +4808,7 @@ sub updateGradeByPage { # #------------------------------------------------------------------- -#--------------------Scantron Grading----------------------------------- +#-------------------- Bubblesheet (Scantron) Grading ------------------- # #------ start of section for handling grading by page/sequence --------- @@ -4767,14 +4886,19 @@ sub defaultFormData { Return html dropdown of possible sequences to grade Arguments: - $symb - $symb of the current resource + $symb - $symb of the current resource + $map_error - ref to scalar which will container error if + $navmap object is unavailable in &getSymbMap(). =cut sub getSequenceDropDown { - my ($symb)=@_; + my ($symb,$map_error)=@_; my $result=''."\n". - ''."\n". + ''."\n". ''."\n". &Apache::loncommon::end_data_table_row()."\n". &Apache::loncommon::end_data_table()."\n". @@ -6214,7 +6343,12 @@ sub scantron_validate_file { $r->print('

'.&mt('Gathering necessary information.').'

');$r->rflush(); #get the student pick code ready $r->print(&Apache::loncommon::studentbrowser_javascript()); - my $max_bubble=&scantron_get_maxbubble(); + my $nav_error; + my $max_bubble=&scantron_get_maxbubble(\$nav_error); + if ($nav_error) { + $r->print(&navmap_errormsg()); + return ''; + } my $result=&scantron_form_start($max_bubble).$default_form_data; $r->print($result); @@ -6626,6 +6760,10 @@ sub scantron_validate_sequence { my ($r,$currentphase) = @_; my $navmap=Apache::lonnavmaps::navmap->new(); + unless (ref($navmap)) { + $r->print(&navmap_errormsg()); + return (1,$currentphase); + } my (undef,undef,$sequence)= &Apache::lonnet::decode_symb($env{'form.selectpage'}); @@ -6657,8 +6795,13 @@ sub scantron_validate_ID { #get scantron line setup my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); my ($scanlines,$scan_data)=&scantron_getfile(); - - &scantron_get_maxbubble(); # parse needs the bubble_lines.. array. + + my $nav_error; + &scantron_get_maxbubble(\$nav_error); # parse needs the bubble_lines.. array. + if ($nav_error) { + $r->print(&navmap_errormsg()); + return(1,$currentphase); + } my %found=('ids'=>{},'usernames'=>{}); for (my $i=0;$i<=$scanlines->{'count'};$i++) { @@ -7211,7 +7354,12 @@ sub scantron_validate_CODE { my %allcodes=&get_codes(); - &scantron_get_maxbubble(); # parse needs the lines per response array. + my $nav_error; + &scantron_get_maxbubble(\$nav_error); # parse needs the lines per response array. + if ($nav_error) { + $r->print(&navmap_errormsg()); + return(1,$currentphase); + } my ($scanlines,$scan_data)=&scantron_getfile(); for (my $i=0;$i<=$scanlines->{'count'};$i++) { @@ -7265,7 +7413,12 @@ sub scantron_validate_doublebubble { #get scantron line setup my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); my ($scanlines,$scan_data)=&scantron_getfile(); - &scantron_get_maxbubble(); # parse needs the bubble line array. + my $nav_error; + &scantron_get_maxbubble(\$nav_error); # parse needs the bubble line array. + if ($nav_error) { + $r->print(&navmap_errormsg()); + return(1,$currentphase); + } for (my $i=0;$i<=$scanlines->{'count'};$i++) { my $line=&scantron_get_line($scanlines,$scan_data,$i); @@ -7283,6 +7436,7 @@ sub scantron_validate_doublebubble { sub scantron_get_maxbubble { + my ($nav_error) = @_; if (defined($env{'form.scantron_maxbubble'}) && $env{'form.scantron_maxbubble'}) { &restore_bubble_lines(); @@ -7293,6 +7447,11 @@ sub scantron_get_maxbubble { &Apache::lonnet::decode_symb($env{'form.selectpage'}); my $navmap=Apache::lonnavmaps::navmap->new(); + unless (ref($navmap)) { + if (ref($nav_error)) { + $$nav_error = 1; + } + } my $map=$navmap->getResourceByUrl($sequence); my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0); @@ -7382,7 +7541,11 @@ sub scantron_validate_missingbubbles { #get scantron line setup my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); my ($scanlines,$scan_data)=&scantron_getfile(); - my $max_bubble=&scantron_get_maxbubble(); + my $nav_error; + my $max_bubble=&scantron_get_maxbubble(\$nav_error); + if ($nav_error) { + return(1,$currentphase); + } if (!$max_bubble) { $max_bubble=2**31; } for (my $i=0;$i<=$scanlines->{'count'};$i++) { my $line=&scantron_get_line($scanlines,$scan_data,$i); @@ -7442,13 +7605,24 @@ sub scantron_process_students { my $classlist=&Apache::loncoursedata::get_classlist(); my %idmap=&username_to_idmap($classlist); my $navmap=Apache::lonnavmaps::navmap->new(); + unless (ref($navmap)) { + $r->print(&navmap_errormsg()); + return ''; + } my $map=$navmap->getResourceByUrl($sequence); my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0); my (%grader_partids_by_symb,%grader_randomlists_by_symb); &graders_resources_pass(\@resources,\%grader_partids_by_symb, \%grader_randomlists_by_symb); + my $resource_error; foreach my $resource (@resources) { - my $ressymb = $resource->symb(); + my $ressymb; + if (ref($resource)) { + $ressymb = $resource->symb(); + } else { + $resource_error = 1; + last; + } my ($analysis,$parts) = &scantron_partids_tograde($resource,$env{'request.course.id'}, $env{'user.name'},$env{'user.domain'},1); @@ -7460,6 +7634,10 @@ sub scantron_process_students { } } } + if ($resource_error) { + $r->print(&navmap_errormsg()); + return ''; + } my ($uname,$udom); my $result= <print(&navmap_errormsg()); + return ''; + } # If an ssi failed in scantron_get_maxbubble, put an error message out to # the user and return. @@ -7525,9 +7708,15 @@ SCANTRONFORM } ($uname,$udom)=split(/:/,$uname); - my %partids_by_symb; + my (%partids_by_symb,$res_error); foreach my $resource (@resources) { - my $ressymb = $resource->symb(); + my $ressymb; + if (ref($resource)) { + $ressymb = $resource->symb(); + } else { + $res_error = 1; + last; + } if ((exists($grader_randomlists_by_symb{$ressymb})) || (ref($grader_partids_by_symb{$ressymb}) ne 'ARRAY')) { my ($analysis,$parts) = @@ -7538,6 +7727,12 @@ SCANTRONFORM } } + if ($res_error) { + &scantron_add_delay(\@delayqueue,$line, + 'An error occurred while grading student '.$uname,2); + next; + } + &Apache::lonxml::clear_problem_counter(); &Apache::lonnet::appenv($scan_record); @@ -7709,15 +7904,17 @@ sub scantron_upload_scantron_data { my $syllabuslink = ''.&mt('Syllabus').''. (' 'x2).&mt('(shows course personnel)'); my $default_form_data=&defaultFormData(&get_symb($r,1)); + my $nofile_alert = &mt('Please use the browse button to select a file from your local directory.'); + my $nocourseid_alert = &mt("Please use the 'Select Course' link to open a separate window where you can search for a course to which a file can be uploaded."); $r->print('