--- loncom/homework/grades.pm 2009/06/06 19:23:30 1.578 +++ loncom/homework/grades.pm 2010/01/27 06:26:55 1.591 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Grading handler # -# $Id: grades.pm,v 1.578 2009/06/06 19:23:30 raeburn Exp $ +# $Id: grades.pm,v 1.591 2010/01/27 06:26:55 raeburn 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 = $res->parts(); my %vPart = @@ -194,37 +206,49 @@ sub get_display_part { #--- Show resource title #--- and parts and response type sub showResourceInfo { - my ($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(); + } } - $result.='
 '.&mt('Problem Part').''.&mt('Res. ID').''.&mt('Type').'
 '.&mt('Part: [_1]',$display_part).''. - ' '.$resID.''.&mt('Type: [_1]',$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; } @@ -755,7 +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"; @@ -767,7 +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 $header = &Apache::loncommon::start_data_table(). @@ -809,11 +839,14 @@ sub verifyreceipt { } } if ($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. @@ -960,8 +993,8 @@ LISTJAVASCRIPT # checkall buttons $gradeTable.=&check_script('gradesub', 'stuinfo'); $gradeTable.='
'."\n"; + 'onclick="javascript:checkSelect(this.form.stuinfo);" '."\n". + 'value="'.&mt('Next').' →" />
'."\n"; $gradeTable.=&check_buttons(); my ($classlist, undef, $fullname) = &getclasslist($getsec,'1',$getgroup); $gradeTable.= &Apache::loncommon::start_data_table(). @@ -1078,9 +1111,9 @@ LISTJAVASCRIPT } $gradeTable.=&Apache::loncommon::end_data_table()."\n". - ''."\n"; + ''."\n"; if ($ctr == 0) { my $num_students=(scalar(keys(%$fullname))); if ($num_students eq 0) { @@ -1584,8 +1617,8 @@ INNERJS pDoc = pWin.document; pDoc.write("<\\/table>"); pDoc.write("<\\/td><\\/tr><\\/table> "); - pDoc.write("  "); - pDoc.write("

"); + pDoc.write("  "); + pDoc.write("

"); pDoc.write("<\\/form>"); pDoc.write('$end_page_msg_central'); pDoc.close(); @@ -1658,8 +1691,8 @@ INNERJS var hDoc = hwdWin.document; hDoc.write("<\\/table>"); hDoc.write("<\\/td><\\/tr><\\/table> "); - hDoc.write("  "); - hDoc.write("

"); + hDoc.write("  "); + hDoc.write("

"); hDoc.write("<\\/form>"); hDoc.write('$end_page_highlight_central'); hDoc.close(); @@ -1678,6 +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) = @_; @@ -1697,7 +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(); @@ -1705,7 +1757,7 @@ sub gradeBox { my $radio.='
'."\n"; # display radio buttons in a nice table 10 across while ($thisweight<=$wgt) { $radio.= '\n"; $radio.=(($ctr+1)%10 == 0 ? '' : ''); @@ -1716,13 +1768,13 @@ sub gradeBox { my $line.=''."\n"; $line.=''."\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) { @@ -1814,26 +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; } @@ -2011,7 +2063,7 @@ sub submission { $request->print(<Keyword Options:  List    -Paste Selection to List    Highlight Attribute

KEYWORDS @@ -2047,24 +2099,26 @@ 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'); + + my $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 = []; @@ -2075,9 +2129,9 @@ 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 @@ -2087,10 +2141,10 @@ 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); @@ -2178,7 +2232,7 @@ KEYWORDS } } } - $lastsubonly.='
'."\n"; + $lastsubonly.='
'."\n"; # End: LC_grade_submissions_body } $request->print($lastsubonly); } elsif ($env{'form.lastSub'} eq 'datesub') { @@ -2196,7 +2250,7 @@ KEYWORDS # return if view submission with no grading option if ($env{'form.showgrading'} eq '' || (!&canmodify($usec))) { my $toGrade.='  '."\n" if (&canmodify($usec)); $toGrade.='
'."\n"; if (($env{'form.command'} eq 'submission') || @@ -2240,11 +2294,11 @@ 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('_',@{ $part_response_id }); @@ -2256,7 +2310,8 @@ KEYWORDS push(@gradePartRespid,$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'}) { @@ -2293,7 +2348,7 @@ KEYWORDS if ($counter == $total) { my $endform='
'."\n"; $endform.='  '."\n"; my $ntstu ='  '; + 'onclick="javascript:checksubmit(this.form,\'Next\');" target="_self" />  '; $endform.=&mt('(Next and Previous (student) do not save the scores.)')."\n" ; $endform.=""; @@ -2598,7 +2653,12 @@ 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(/:/,$student); @@ -2796,8 +2856,12 @@ sub check_and_remove_from_queue { sub handback_files { my ($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 }; @@ -3255,7 +3319,11 @@ 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 = (); @@ -3281,11 +3349,11 @@ sub viewgrades { } $radio.='
'; my $line = ' /'. $weight{$partid}.' '.&mt('(problem weight)').''."\n"; $line.= ''.&mt('Grade Status').':'; $result.=''; + 'onclick="javascript:resetEntry('.$ctsparts.');" />'; #table listing all the students in a section/class #header of table @@ -3315,7 +3383,11 @@ 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) { @@ -3366,7 +3438,7 @@ sub viewgrades { $result.=&Apache::loncommon::end_data_table(); $result.=''."\n"; $result.=''."\n"; + 'onclick="javascript:submit();" target="_self" />'."\n"; if (scalar(%$fullname) eq 0) { my $colspan=3+scalar(@parts); my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section')); @@ -3418,7 +3490,7 @@ sub viewstudentgrade { 'GD_'.$student.'_'.$part.'_awarded_s" value="'.$pts.'" />'."\n"; $result.=''."\n"; } elsif ($type eq 'solved') { my ($status,$foo)=split(/_/,$score,2); @@ -3427,7 +3499,7 @@ sub viewstudentgrade { $part.'_solved_s" value="'.$status.'" />'."\n"; $result.='  + @@ -3806,8 +3882,14 @@ ENDPICK } sub csvupload_fields { - my ($symb) = @_; - my (@parts) = &getpartlist($symb); + my ($symb,$errorref) = @_; + my (@parts) = &getpartlist($symb,$errorref); + if (ref($errorref)) { + if ($$errorref) { + return; + } + } + my @fields=(['ID','Student/Employee ID'], ['username','Student Username'], ['domain','Student Domain']); @@ -3832,7 +3914,7 @@ sub csvuploadmap_footer { -
+
ENDPICK } @@ -3877,7 +3959,7 @@ sub upcsvScores_form { $upfile_select -
+
ENDUPFORM @@ -3907,8 +3989,12 @@ sub csvuploadmap { &csvuploadmap_header($request,$symb,$datatoken,$#records+1); my ($i,$keyfields); if (@records) { - my @fields=&csvupload_fields($symb); - + my $fieldserror; + my @fields=&csvupload_fields($symb,\$fieldserror); + if ($fieldserror) { + $request->print(&navmap_errormsg()); + return; + } if ($env{'form.upfile_associate'} eq 'reverse') { &Apache::loncommon::csv_print_samples($request,\@records); $i=&Apache::loncommon::csv_print_select_table($request,\@records, @@ -4144,7 +4230,12 @@ LISTJAVASCRIPT &mt('Manual Grading by Page or Sequence').''; $result.='
'."\n"; - my ($titles,$symbx) = &getSymbMap(); + my $map_error; + my ($titles,$symbx) = &getSymbMap($map_error); + if ($map_error) { + $request->print(&navmap_errormsg()); + return; + } my ($curpage) =&Apache::lonnet::decode_symb($symb); # my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb); # my $type=($curpage =~ /\.(page|sequence)/); @@ -4191,7 +4282,7 @@ LISTJAVASCRIPT $result.=' '.&mt('Use CODE').':
'."\n"; $result.=' 
'."\n"; + 'onclick="javascript:checkPickOne(this.form);" value="'.&mt('Next').' →" />
'."\n"; $request->print($result); @@ -4230,7 +4321,7 @@ LISTJAVASCRIPT } $studentTable.=&Apache::loncommon::end_data_table()."\n"; $studentTable.='
'."\n"; + 'onclick="javascript:checkPickOne(this.form);" value="'.&mt('Next').' →" />'."\n"; $studentTable.=&show_grading_menu_form($symb); $request->print($studentTable); @@ -4239,8 +4330,14 @@ LISTJAVASCRIPT } sub getSymbMap { + my ($map_error) = @_; my $navmap = Apache::lonnavmaps::navmap->new(); - + unless (ref($navmap)) { + if (ref($map_error)) { + $$map_error = 'navmap'; + } + return; + } my %symbx = (); my @titles = (); my $minder = 0; @@ -4299,6 +4396,11 @@ 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 (!$map) { @@ -4397,11 +4499,13 @@ sub displayPage { } if (&canmodify($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.=''; @@ -4410,10 +4514,11 @@ sub displayPage { $curRes = $iterator->next(); } - $studentTable.=''."\n". - ''. - ''."\n"; + $studentTable.= + ''."\n". + ''. + ''."\n"; $studentTable.=&show_grading_menu_form($symb); $request->print($studentTable); @@ -4553,7 +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) { @@ -4698,7 +4808,7 @@ sub updateGradeByPage { # #------------------------------------------------------------------- -#--------------------Scantron Grading----------------------------------- +#-------------------- Bubblesheet (Scantron) Grading ------------------- # #------ start of section for handling grading by page/sequence --------- @@ -4776,14 +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=' '.&mt('File to upload: [_1]','').'
- + '); @@ -6223,7 +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); @@ -6635,6 +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'}); @@ -6666,8 +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++) { @@ -7220,7 +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++) { @@ -7274,7 +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); @@ -7292,6 +7436,7 @@ sub scantron_validate_doublebubble { sub scantron_get_maxbubble { + my ($nav_error) = @_; if (defined($env{'form.scantron_maxbubble'}) && $env{'form.scantron_maxbubble'}) { &restore_bubble_lines(); @@ -7302,6 +7447,12 @@ sub scantron_get_maxbubble { &Apache::lonnet::decode_symb($env{'form.selectpage'}); my $navmap=Apache::lonnavmaps::navmap->new(); + unless (ref($navmap)) { + if (ref($nav_error)) { + $$nav_error = 1; + } + return; + } my $map=$navmap->getResourceByUrl($sequence); my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0); @@ -7391,7 +7542,11 @@ sub scantron_validate_missingbubbles { #get scantron line setup my %scantron_config=&get_scantron_config($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); @@ -7451,13 +7606,24 @@ 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); @@ -7469,6 +7635,10 @@ sub scantron_process_students { } } } + if ($resource_error) { + $r->print(&navmap_errormsg()); + return ''; + } my ($uname,$udom); my $result= <print(&navmap_errormsg()); + return ''; + } # If an ssi failed in scantron_get_maxbubble, put an error message out to # the user and return. @@ -7534,9 +7709,15 @@ SCANTRONFORM } ($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,$parts) = @@ -7547,6 +7728,12 @@ SCANTRONFORM } } + if ($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); @@ -7718,15 +7905,17 @@ 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('