--- loncom/homework/grades.pm 2007/11/16 07:56:15 1.492 +++ loncom/homework/grades.pm 2008/03/24 18:45:04 1.516 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Grading handler # -# $Id: grades.pm,v 1.492 2007/11/16 07:56:15 albertel Exp $ +# $Id: grades.pm,v 1.516 2008/03/24 18:45:04 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -47,88 +47,89 @@ use LONCAPA; use POSIX qw(floor); -my %perm=(); -my %bubble_lines_per_response = (); # no. bubble lines for each response. - # index is "symb.part_id" - -my %first_bubble_line = (); # First bubble line no. for each bubble. - -# Save and restore the bubble lines array to the form env. - - -sub save_bubble_lines { - foreach my $line (keys(%bubble_lines_per_response)) { - $env{"form.scantron.bubblelines.$line"} = $bubble_lines_per_response{$line}; - $env{"form.scantron.first_bubble_line.$line"} = - $first_bubble_line{$line}; - } -} - -sub restore_bubble_lines { - my $line = 0; - %bubble_lines_per_response = (); - while ($env{"form.scantron.bubblelines.$line"}) { - my $value = $env{"form.scantron.bubblelines.$line"}; - $bubble_lines_per_response{$line} = $value; - $first_bubble_line{$line} = - $env{"form.scantron.first_bubble_line.$line"}; - $line++; - } +my %perm=(); -} +# These variables are used to recover from ssi errors -# Given the parsed scanline, get the response for -# 'answer' number n: +my $ssi_retries = 5; +my $ssi_error; +my $ssi_error_resource; +my $ssi_error_message; -sub get_response_bubbles { - my ($parsed_line, $response) = @_; +# Do an ssi with retries: +# While I'd love to factor out this with the vesrion in lonprintout, +# that would either require a data coupling between modules, which I refuse to perpetuate +# (there's quite enough of that already), or would require the invention of another infrastructure +# I'm not quite ready to invent (e.g. an ssi_with_retry object). +# +# At least the logic that drives this has been pulled out into loncommon. - my $bubble_line = $first_bubble_line{$response-1} +1; - my $bubble_lines= $bubble_lines_per_response{$response-1}; - - my $selected = ""; - for (my $bline = 0; $bline < $bubble_lines; $bline++) { - $selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":"; - $bubble_line++; +# +# ssi_with_retries - Does the server side include of a resource. +# if the ssi call returns an error we'll retry it up to +# the number of times requested by the caller. +# If we still have a proble, no text is appended to the +# output and we set some global variables. +# to indicate to the caller an SSI error occurred. +# All of this is supposed to deal with the issues described +# in LonCAPA BZ 5631 see: +# http://bugs.lon-capa.org/show_bug.cgi?id=5631 +# by informing the user that this happened. +# +# Parameters: +# resource - The resource to include. This is passed directly, without +# interpretation to lonnet::ssi. +# form - The form hash parameters that guide the interpretation of the resource +# +# retries - Number of retries allowed before giving up completely. +# Returns: +# On success, returns the rendered resource identified by the resource parameter. +# Side Effects: +# The following global variables can be set: +# ssi_error - If an unrecoverable error occurred this becomes true. +# It is up to the caller to initialize this to false +# if desired. +# ssi_error_resource - If an unrecoverable error occurred, this is the value +# of the resource that could not be rendered by the ssi +# call. +# ssi_error_message - The error string fetched from the ssi response +# in the event of an error. +# +sub ssi_with_retries { + my ($resource, $retries, %form) = @_; + my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form); + if ($response->is_error) { + $ssi_error = 1; + $ssi_error_resource = $resource; + $ssi_error_message = $response->code . " " . $response->message; } - return $selected; -} - - -# ----- These first few routines are general use routines.---- -# Return the number of occurences of a pattern in a string. - -sub occurence_count { - my ($string, $pattern) = @_; - - my @matches = ($string =~ /$pattern/g); + return $content; - return scalar(@matches); } +# +# Prodcuces an ssi retry failure error message to the user: +# - -# Take a string known to have digits and convert all the -# digits into letters in the range J,A..I. - -sub digits_to_letters { - my ($input) = @_; - - my @alphabet = ('J', 'A'..'I'); - - my @input = split(//, $input); - my $output =''; - for (my $i = 0; $i < scalar(@input); $i++) { - if ($input[$i] =~ /\d/) { - $output .= $alphabet[$input[$i]]; - } else { - $output .= $input[$i]; - } - } - return $output; +sub ssi_print_error { + my ($r) = @_; + my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk'); + $r->print(' +
+

'.&mt('An unrecoverable network error occurred:').'

+

+'.&mt('Unable to retrieve a resource from a server:').'
+'.&mt('Resource:').' '.$ssi_error_resource.'
+'.&mt('Error:').' '.$ssi_error_message.' +

+

'. +&mt('It is recommended that you try again later, as this error may mean the server was just temporarily unavailable, or is down for maintenance.').'
'. +&mt('If the error persists, please contact the [_1] for assistance.',$helpurl). +'

'); + return; } # @@ -283,13 +284,13 @@ sub reset_caches { my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb); $url=&Apache::lonnet::clutter($url); - my $subresult=&Apache::lonnet::ssi($url, - ('grade_target' => 'analyze'), - ('grade_domain' => $udom), - ('grade_symb' => $symb), - ('grade_courseid' => - $env{'request.course.id'}), - ('grade_username' => $uname)); + my $subresult=&ssi_with_retries($url, $ssi_retries, + ('grade_target' => 'analyze', + 'grade_domain' => $udom, + 'grade_symb' => $symb, + 'grade_courseid' => + $env{'request.course.id'}, + 'grade_username' => $uname)); (undef,$subresult)=split(/_HASH_REF__/,$subresult,2); my %analyze=&Apache::lonnet::str2hash($subresult); return $analyze_cache{$key} = \%analyze; @@ -1841,9 +1842,9 @@ sub download_all_link { join("\n",&Apache::loncommon::get_env_multiple('form.vPart')); my $identifier = &Apache::loncommon::get_cgi_id(); - &Apache::lonnet::appenv('cgi.'.$identifier.'.students' => $all_students, - 'cgi.'.$identifier.'.symb' => $symb, - 'cgi.'.$identifier.'.parts' => $parts,); + &Apache::lonnet::appenv({'cgi.'.$identifier.'.students' => $all_students, + 'cgi.'.$identifier.'.symb' => $symb, + 'cgi.'.$identifier.'.parts' => $parts,}); $r->print(''. &mt('Download All Submitted Documents').''); return @@ -4042,31 +4043,31 @@ sub csvuploadassign { $grades{$store_key}=$entries{$fields{$dest}}; } } - if (! %grades) { push(@skipped,"$username:$domain no data to save"); } - $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}"; - my $result=&Apache::lonnet::cstore(\%grades,$symb, + if (! %grades) { + push(@skipped,&mt("[_1]: no data to save","$username:$domain")); + } else { + $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}"; + my $result=&Apache::lonnet::cstore(\%grades,$symb, $env{'request.course.id'}, $domain,$username); - if ($result eq 'ok') { - $request->print('.'); - } else { - $request->print("

- - Failed to save student $username:$domain. - Message when trying to save was ($result) - -

" ); - } - $request->rflush(); - $countdone++; + if ($result eq 'ok') { + $request->print('.'); + } else { + $request->print("

". + &mt("Failed to save data for student [_1]. Message when trying to save was: [_2]", + "$username:$domain",$result)."

"); + } + $request->rflush(); + $countdone++; + } } - $request->print("
Saved $countdone students\n"); + $request->print('
'.&mt("Saved [_1] students",$countdone)."\n"); if (@skipped) { - $request->print('

Skipped Students

'); + $request->print('

'.&mt('Skipped Students').'

'); foreach my $student (@skipped) { $request->print("$student
\n"); } } if (@notallowed) { - $request->print('

Students Not Allowed to Modify

'); + $request->print('

'.&mt('Students Not Allowed to Modify').'

'); foreach my $student (@notallowed) { $request->print("$student
\n"); } } $request->print("
\n"); @@ -4256,7 +4257,8 @@ sub displayPage { my $result='

 '.$env{'form.title'}.'

'; $result.='

 '.&mt('Student: [_1]',&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom)). '

'."\n"; - if (&Apache::lonnet::validCODE($env{'form.CODE'})) { + $env{'form.CODE'} = uc($env{'form.CODE'}); + if (&Apache::lonnet::validCODE(uc($env{'form.CODE'}))) { $result.='

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

'."\n"; } else { delete($env{'form.CODE'}); @@ -4757,6 +4759,69 @@ sub getSequenceDropDown { return $result; } +my %bubble_lines_per_response; # no. bubble lines for each response. + # index is "symb.part_id" + +my %first_bubble_line; # First bubble line no. for each bubble. + +my %subdivided_bubble_lines; # no. bubble lines for optionresponse, + # matchresponse or rankresponse, where + # an individual response can have multiple + # lines + +my %responsetype_per_response; # responsetype for each response + +# Save and restore the bubble lines array to the form env. + + +sub save_bubble_lines { + foreach my $line (keys(%bubble_lines_per_response)) { + $env{"form.scantron.bubblelines.$line"} = $bubble_lines_per_response{$line}; + $env{"form.scantron.first_bubble_line.$line"} = + $first_bubble_line{$line}; + $env{"form.scantron.sub_bubblelines.$line"} = + $subdivided_bubble_lines{$line}; + $env{"form.scantron.responsetype.$line"} = + $responsetype_per_response{$line}; + } +} + + +sub restore_bubble_lines { + my $line = 0; + %bubble_lines_per_response = (); + while ($env{"form.scantron.bubblelines.$line"}) { + my $value = $env{"form.scantron.bubblelines.$line"}; + $bubble_lines_per_response{$line} = $value; + $first_bubble_line{$line} = + $env{"form.scantron.first_bubble_line.$line"}; + $subdivided_bubble_lines{$line} = + $env{"form.scantron.sub_bubblelines.$line"}; + $responsetype_per_response{$line} = + $env{"form.scantron.responsetype.$line"}; + $line++; + } + +} + +# Given the parsed scanline, get the response for +# 'answer' number n: + +sub get_response_bubbles { + my ($parsed_line, $response) = @_; + + + my $bubble_line = $first_bubble_line{$response-1} +1; + my $bubble_lines= $bubble_lines_per_response{$response-1}; + + my $selected = ""; + + for (my $bline = 0; $bline < $bubble_lines; $bline++) { + $selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":"; + $bubble_line++; + } + return $selected; +} =pod @@ -4899,6 +4964,8 @@ sub scantron_selectphase { my $CODE_unique=&scantron_CODEunique(); my $result; + $ssi_error = 0; + # Chunk of form to prompt for a file to grade and how: $result.= ' @@ -5098,7 +5165,7 @@ sub get_scantron_config { $config{'IDstart'}=$config[5]; $config{'IDlength'}=$config[6]; $config{'Qstart'}=$config[7]; - $config{'Qlength'}=$config[8]; + $config{'Qlength'}=$config[8]; $config{'Qoff'}=$config[9]; $config{'Qon'}=$config[10]; $config{'PaperID'}=$config[11]; @@ -5172,6 +5239,8 @@ sub username_to_idmap { - 'answer' 'response' - new answer or 'none' if blank 'question' - the bubble line to change + 'questionnum' - the question identifier, + may include subquestion. Returns: $line - the modified scanline @@ -5184,8 +5253,6 @@ sub username_to_idmap { sub scantron_fixup_scanline { my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_; - - if ($field eq 'ID') { if (length($args->{'newid'}) > $$scantron_config{'IDlength'}) { return ($line,1,'New value too large'); @@ -5216,58 +5283,28 @@ sub scantron_fixup_scanline { $$scantron_config{'CODElength'})=$args->{'CODE'}; } } elsif ($field eq 'answer') { - &scantron_get_maxbubble(); # Need the bubble counter info. - my $length =$scantron_config->{'Qlength'}; + my $length=$scantron_config->{'Qlength'}; my $off=$scantron_config->{'Qoff'}; my $on=$scantron_config->{'Qon'}; - my $question_number = $args->{'question'} -1; - my $first_position = $first_bubble_line{$question_number}; - my $bubble_count = $bubble_lines_per_response{$question_number}; - my $bubbles_per_line= $$scantron_config{'Qlength'}; - my $answer=${off}x($bubbles_per_line*$bubble_count); - my $final_answer; - if ($$scantron_config{'Qon'} eq 'letter' || - $$scantron_config{'Qon'} eq 'number') { - $bubbles_per_line = 10; - } - if (defined $args->{'response'}) { - - if ($args->{'response'} eq 'none') { - &scan_data($scan_data, - "$whichline.no_bubble.".$args->{'question'},'1'); + my $answer=${off}x$length; + if ($args->{'response'} eq 'none') { + &scan_data($scan_data, + "$whichline.no_bubble.".$args->{'questionnum'},'1'); + } else { + if ($on eq 'letter') { + my @alphabet=('A'..'Z'); + $answer=$alphabet[$args->{'response'}]; + } elsif ($on eq 'number') { + $answer=$args->{'response'}+1; + if ($answer == 10) { $answer = '0'; } } else { - my ($bubble_line, $bubble_number) = split(/:/,$args->{'response'}); - if ($on eq 'letter') { - my @alphabet=('A'..'Z'); - $answer=$alphabet[$bubble_number]; - } elsif ($on eq 'number') { - $answer= $bubble_number+1; - if ($answer == 10) { $answer = '0'; } - } else { - substr($answer,$bubble_number+$bubble_line*$bubbles_per_line,1)=$on; - $final_answer = $answer; - } - &scan_data($scan_data, - "$whichline.no_bubble.".$args->{'question'},undef,'1'); - - # Positional notation already has the right final answer length.. - - if (($on eq 'letter') || ($on eq 'number')) { - for (my $l = 0; $l < $bubble_count; $l++) { - if ($l eq $bubble_line) { - $final_answer .= $answer; - } else { - $final_answer .= ' '; - } - } - } + substr($answer,$args->{'response'},1)=$on; } - # $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'}; - #substr($line,$where-1,$length)=$answer; - substr($line, - $scantron_config->{'Qstart'}+$first_position-1, - $bubbles_per_line*$length) = $final_answer; + &scan_data($scan_data, + "$whichline.no_bubble.".$args->{'questionnum'},undef,'1'); } + my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'}; + substr($line,$where-1,$length)=$answer; } return $line; } @@ -5301,6 +5338,39 @@ sub scan_data { return $scan_data->{$filename.'_'.$key}; } +# ----- These first few routines are general use routines.---- + +# Return the number of occurences of a pattern in a string. + +sub occurence_count { + my ($string, $pattern) = @_; + + my @matches = ($string =~ /$pattern/g); + + return scalar(@matches); +} + + +# Take a string known to have digits and convert all the +# digits into letters in the range J,A..I. + +sub digits_to_letters { + my ($input) = @_; + + my @alphabet = ('J', 'A'..'I'); + + my @input = split(//, $input); + my $output =''; + for (my $i = 0; $i < scalar(@input); $i++) { + if ($input[$i] =~ /\d/) { + $output .= $alphabet[$input[$i]]; + } else { + $output .= $input[$i]; + } + } + return $output; +} + =pod =item scantron_parse_scanline @@ -5403,166 +5473,218 @@ sub scantron_parse_scanline { $questions =~ s/\r$//; # Get rid of trailing \r too (MAC or Win uploads). while (length($questions)) { my $answers_needed = $bubble_lines_per_response{$questnum}; - my $answer_length = $$scantron_config{'Qlength'} * $answers_needed; - - - $questnum++; - my $currentquest = substr($questions,0,$answer_length); - $questions = substr($questions,$answer_length); - if (length($currentquest) < $answer_length) { next; } - - # Qon letter implies for each slot in currentquest we have: - # ? or * for doubles a letter in A-Z for a bubble and - # about anything else (esp. a value of Qoff for missing - # bubbles. - - - if ($$scantron_config{'Qon'} eq 'letter') { - if ($currentquest =~ /\?/ - || $currentquest =~ /\*/ - || (&occurence_count($currentquest, "[A-Z]") > 1)) { - push(@{$record{'scantron.doubleerror'}},$questnum); - for (my $ans = 0; $ans < $answers_needed; $ans++) { - my $bubble = substr($currentquest, $ans, 1); - if ($bubble =~ /[A-Z]/ ) { - $record{"scantron.$ansnum.answer"} = $bubble; - } else { - $record{"scantron.$ansnum.answer"}=''; - } - $ansnum++; - } - - } elsif (!defined($currentquest) - || (&occurence_count($currentquest, $$scantron_config{'Qoff'}) == length($currentquest)) - || (&occurence_count($currentquest, "[A-Z]") == 0)) { - for (my $ans = 0; $ans < $answers_needed; $ans++ ) { - $record{"scantron.$ansnum.answer"}=''; - $ansnum++; - - } - if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) { - push(@{$record{"scantron.missingerror"}},$questnum); - # $ansnum += $answers_needed; - } - } else { - for (my $ans = 0; $ans < $answers_needed; $ans++) { - my $bubble = substr($currentquest, $ans, 1); - $record{"scantron.$ansnum.answer"} = $bubble; - $ansnum++; - } - } - - # Qon 'number' implies each slot gives a digit that indexes the - # the bubbles filled or Qoff or a non number for unbubbled lines. - # and *? for double bubbles on a line. - # these answers are also stored as letters. - - } elsif ($$scantron_config{'Qon'} eq 'number') { - if ($currentquest =~ /\?/ - || $currentquest =~ /\*/ - || (&occurence_count($currentquest, '\d') > 1)) { - push(@{$record{'scantron.doubleerror'}},$questnum); - for (my $ans = 0; $ans < $answers_needed; $ans++) { - my $bubble = substr($currentquest, $ans, 1); - if ($bubble =~ /\d/) { - $record{"scantron.$ansnum.answer"} = $alphabet[$bubble]; - } else { - $record{"scantron.$ansnum.answer"}=' '; - } - $ansnum++; - } - - } elsif (!defined($currentquest) - || (&occurence_count($currentquest,$$scantron_config{'Qoff'}) == length($currentquest)) - || (&occurence_count($currentquest, '\d') == 0)) { - for (my $ans = 0; $ans < $answers_needed; $ans++ ) { - $record{"scantron.$ansnum.answer"}=''; - $ansnum++; - - } - if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) { - push(@{$record{"scantron.missingerror"}},$questnum); - $ansnum += $answers_needed; - } - - } else { - $currentquest = &digits_to_letters($currentquest); - for (my $ans =0; $ans < $answers_needed; $ans++) { - $record{"scantron.$ansnum.answer"} = substr($currentquest, $ans, 1); - $ansnum++; - } - } - } else { + my $answer_length = ($$scantron_config{'Qlength'} * $answers_needed) + || 1; + $questnum++; + my $quest_id = $questnum; + my $currentquest = substr($questions,0,$answer_length); + $questions = substr($questions,$answer_length); + if (length($currentquest) < $answer_length) { next; } + + if ($subdivided_bubble_lines{$questnum-1} =~ /,/) { + my $subquestnum = 1; + my $subquestions = $currentquest; + my @subanswers_needed = + split(/,/,$subdivided_bubble_lines{$questnum-1}); + foreach my $subans (@subanswers_needed) { + my $subans_length = + ($$scantron_config{'Qlength'} * $subans) || 1; + my $currsubquest = substr($subquestions,0,$subans_length); + $subquestions = substr($subquestions,$subans_length); + $quest_id = "$questnum.$subquestnum"; + if (($$scantron_config{'Qon'} eq 'letter') || + ($$scantron_config{'Qon'} eq 'number')) { + $ansnum = &scantron_validator_lettnum($ansnum, + $questnum,$quest_id,$subans,$currsubquest,$whichline, + \@alphabet,\%record,$scantron_config,$scan_data); + } else { + $ansnum = &scantron_validator_positional($ansnum, + $questnum,$quest_id,$subans,$currsubquest,$whichline, \@alphabet,\%record,$scantron_config,$scan_data); + } + $subquestnum ++; + } + } else { + if (($$scantron_config{'Qon'} eq 'letter') || + ($$scantron_config{'Qon'} eq 'number')) { + $ansnum = &scantron_validator_lettnum($ansnum,$questnum, + $quest_id,$answers_needed,$currentquest,$whichline, + \@alphabet,\%record,$scantron_config,$scan_data); + } else { + $ansnum = &scantron_validator_positional($ansnum,$questnum, + $quest_id,$answers_needed,$currentquest,$whichline, + \@alphabet,\%record,$scantron_config,$scan_data); + } + } + } + $record{'scantron.maxquest'}=$questnum; + return \%record; +} - # Otherwise there's a positional notation; - # each bubble line requires Qlength items, and there are filled in - # bubbles for each case where there 'Qon' characters. - # +sub scantron_validator_lettnum { + my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,$whichline, + $alphabet,$record,$scantron_config,$scan_data) = @_; + + # Qon 'letter' implies for each slot in currquest we have: + # ? or * for doubles, a letter in A-Z for a bubble, and + # about anything else (esp. a value of Qoff) for missing + # bubbles. + # + # Qon 'number' implies each slot gives a digit that indexes the + # bubbles filled, or Qoff, or a non-number for unbubbled lines, + # and * or ? for double bubbles on a single line. + # - my @array=split($$scantron_config{'Qon'},$currentquest,-1); + my $matchon; + if ($$scantron_config{'Qon'} eq 'letter') { + $matchon = '[A-Z]'; + } elsif ($$scantron_config{'Qon'} eq 'number') { + $matchon = '\d'; + } + my $occurrences = 0; + if (($responsetype_per_response{$questnum-1} eq 'essayresponse') || + ($responsetype_per_response{$questnum-1} eq 'formularesponse') || + ($responsetype_per_response{$questnum-1} eq 'stringresponse') || + ($responsetype_per_response{$questnum-1} eq 'imageresponse') || + ($responsetype_per_response{$questnum-1} eq 'reactionresponse') || + ($responsetype_per_response{$questnum-1} eq 'organicresponse')) { + my @singlelines = split('',$currquest); + foreach my $entry (@singlelines) { + $occurrences = &occurence_count($entry,$matchon); + if ($occurrences > 1) { + last; + } + } + } else { + $occurrences = &occurence_count($currquest,$matchon); + } + if (($currquest =~ /\?/ || $currquest =~ /\*/) || ($occurrences > 1)) { + push(@{$record->{'scantron.doubleerror'}},$quest_id); + for (my $ans=0; $ans<$answers_needed; $ans++) { + my $bubble = substr($currquest,$ans,1); + if ($bubble =~ /$matchon/ ) { + if ($$scantron_config{'Qon'} eq 'number') { + if ($bubble == 0) { + $bubble = 10; + } + $record->{"scantron.$ansnum.answer"} = + $alphabet->[$bubble-1]; + } else { + $record->{"scantron.$ansnum.answer"} = $bubble; + } + } else { + $record->{"scantron.$ansnum.answer"}=''; + } + $ansnum++; + } + } elsif (!defined($currquest) + || (&occurence_count($currquest, $$scantron_config{'Qoff'}) == length($currquest)) + || (&occurence_count($currquest,$matchon) == 0)) { + for (my $ans=0; $ans<$answers_needed; $ans++ ) { + $record->{"scantron.$ansnum.answer"}=''; + $ansnum++; + } + if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) { + push(@{$record->{'scantron.missingerror'}},$quest_id); + } + } else { + if ($$scantron_config{'Qon'} eq 'number') { + $currquest = &digits_to_letters($currquest); + } + for (my $ans=0; $ans<$answers_needed; $ans++) { + my $bubble = substr($currquest,$ans,1); + $record->{"scantron.$ansnum.answer"} = $bubble; + $ansnum++; + } + } + return $ansnum; +} - # If the split only giveas us one element.. the full length of the - # answser string, no bubbles are filled in: +sub scantron_validator_positional { + my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest, + $whichline,$alphabet,$record,$scantron_config,$scan_data) = @_; - if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) { - for (my $ans = 0; $ans < $answers_needed; $ans++ ) { - $record{"scantron.$ansnum.answer"}=''; - $ansnum++; + # Otherwise there's a positional notation; + # each bubble line requires Qlength items, and there are filled in + # bubbles for each case where there 'Qon' characters. + # - } - if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) { - push(@{$record{"scantron.missingerror"}},$questnum); - } - + my @array=split($$scantron_config{'Qon'},$currquest,-1); + # If the split only gives us one element.. the full length of the + # answer string, no bubbles are filled in: - } elsif (scalar(@array) eq 2) { + if ($answers_needed eq '') { + return; + } - my $location = length($array[0]); - my $line_num = int($location / $$scantron_config{'Qlength'}); - my $bubble = $alphabet[$location % $$scantron_config{'Qlength'}]; - + if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) { + for (my $ans=0; $ans<$answers_needed; $ans++ ) { + $record->{"scantron.$ansnum.answer"}=''; + $ansnum++; + } + if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) { + push(@{$record->{"scantron.missingerror"}},$quest_id); + } + } elsif (scalar(@array) == 2) { + my $location = length($array[0]); + my $line_num = int($location / $$scantron_config{'Qlength'}); + my $bubble = $alphabet->[$location % $$scantron_config{'Qlength'}]; + for (my $ans=0; $ans<$answers_needed; $ans++) { + if ($ans eq $line_num) { + $record->{"scantron.$ansnum.answer"} = $bubble; + } else { + $record->{"scantron.$ansnum.answer"} = ' '; + } + $ansnum++; + } + } else { + # If there's more than one instance of a bubble character + # That's a double bubble; with positional notation we can + # record all the bubbles filled in as well as the + # fact this response consists of multiple bubbles. + # + if (($responsetype_per_response{$questnum-1} eq 'essayresponse') || + ($responsetype_per_response{$questnum-1} eq 'formularesponse') || + ($responsetype_per_response{$questnum-1} eq 'stringresponse') || + ($responsetype_per_response{$questnum-1} eq 'imageresponse') || + ($responsetype_per_response{$questnum-1} eq 'reactionresponse') || + ($responsetype_per_response{$questnum-1} eq 'organicresponse')) { + my $doubleerror = 0; + while (($currquest >= $$scantron_config{'Qlength'}) && + (!$doubleerror)) { + my $currline = substr($currquest,0,$$scantron_config{'Qlength'}); + $currquest = substr($currquest,$$scantron_config{'Qlength'}); + my @currarray = split($$scantron_config{'Qon'},$currline,-1); + if (length(@currarray) > 2) { + $doubleerror = 1; + } + } + if ($doubleerror) { + push(@{$record->{'scantron.doubleerror'}},$quest_id); + } + } else { + push(@{$record->{'scantron.doubleerror'}},$quest_id); + } + my $item = $ansnum; + for (my $ans=0; $ans<$answers_needed; $ans++) { + $record->{"scantron.$item.answer"} = ''; + $item ++; + } - for (my $ans = 0; $ans < $answers_needed; $ans++) { - if ($ans eq $line_num) { - $record{"scantron.$ansnum.answer"} = $bubble; - } else { - $record{"scantron.$ansnum.answer"} = ' '; - } - $ansnum++; - } - } - # If there's more than one instance of a bubble character - # That's a double bubble; with positional notation we can - # record all the bubbles filled in as well as the - # fact this response consists of multiple bubbles. - # - else { - push(@{$record{'scantron.doubleerror'}},$questnum); - - my $first_answer = $ansnum; - for (my $ans =0; $ans < $answers_needed; $ans++) { - my $item = $first_answer+$ans; - $record{"scantron.$item.answer"} = ''; - } - - my @ans=@array; - my $i=0; - my $increment = 0; - while ($#ans) { - $i+=length($ans[0]) + $increment; - my $line = int($i/$$scantron_config{'Qlength'} + $first_answer); - my $bubble = $i%$$scantron_config{'Qlength'}; - $record{"scantron.$line.answer"}.=$alphabet[$bubble]; - shift(@ans); - $increment = 1; - } - $ansnum += $answers_needed; - } - } + my @ans=@array; + my $i=0; + my $increment = 0; + while ($#ans) { + $i+=length($ans[0]) + $increment; + my $line = int($i/$$scantron_config{'Qlength'} + $ansnum); + my $bubble = $i%$$scantron_config{'Qlength'}; + $record->{"scantron.$line.answer"}.=$alphabet->[$bubble]; + shift(@ans); + $increment = 1; + } + $ansnum += $answers_needed; } - $record{'scantron.maxquest'}=$questnum; - return \%record; + return $ansnum; } =pod @@ -5702,7 +5824,8 @@ sub scantron_process_corrections { &scantron_fixup_scanline(\%scantron_config,$scan_data,$line, $which,'answer', { 'question'=>$question, - 'response'=>$env{"form.scantron_correct_Q_$question"}}); + 'response'=>$env{"form.scantron_correct_Q_$question"}, + 'questionnum'=>$env{"form.scantron_questionnum_Q_$question"}}); if ($err) { last; } } } @@ -5921,6 +6044,10 @@ SCANTRONFORM ''."\n"; $chunk .= ''."\n"; + $chunk .= + ''."\n"; + $chunk .= + ''."\n"; $result .= $chunk; $line++; } @@ -5965,7 +6092,7 @@ sub scantron_validate_file { if ($env{'form.scantron_corrections'}) { &scantron_process_corrections($r); } - $r->print('

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

');$r->rflush(); + $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(); @@ -5985,7 +6112,7 @@ sub scantron_validate_file { my $stop=0; while (!$stop && $currentphase < scalar(@validate_phases)) { - $r->print('

'.&mt('Validating '.$validate_phases[$currentphase]).'

'); + $r->print(&mt('Validating '.$validate_phases[$currentphase]).'
'); $r->rflush(); my $which="scantron_validate_".$validate_phases[$currentphase]; { @@ -5995,8 +6122,7 @@ sub scantron_validate_file { } if (!$stop) { my $warning=&scantron_warning_screen('Start Grading'); - $r->print(' -'.&mt('Validation process complete.').'
+ $r->print(&mt('Validation process complete.').'
'.$warning.' @@ -6013,7 +6139,11 @@ sub scantron_validate_file { $r->print("

".&mt("Or click the 'Grading Menu' button to start over.")."

"); } else { - $r->print(''); + if ($validate_phases[$currentphase] eq 'doublebubble' || $validate_phases[$currentphase] eq 'missingbubbles') { + $r->print(''); + } else { + $r->print(''); + } $r->print(' '.&mt('using corrected info').'
'); $r->print(""); $r->print(" ".&mt("this scanline saving it for later.")); @@ -6495,7 +6625,6 @@ sub scantron_validate_ID { sub scantron_get_correction { my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_; - #FIXME in the case of a duplicated ID the previous line, probably need #to show both the current line and the previous one and allow skipping #the previous one or the current one @@ -6517,6 +6646,10 @@ sub scantron_get_correction { $r->print(''."\n"); $r->print(''."\n"); + # Array populated for doublebubble or + my @lines_to_correct; # missingbubble errors to build javascript + # to validate radio button checking + if ($error =~ /ID$/) { if ($error eq 'incorrectID') { $r->print("

".&mt("The encoded ID is not in the classlist"). @@ -6612,34 +6745,205 @@ ENDSCRIPT "")); $r->print("\n

"); } elsif ($error eq 'doublebubble') { - $r->print("

".&mt("There have been multiple bubbles scanned for a some question(s)")."

\n"); + $r->print("

".&mt("There have been multiple bubbles scanned for some question(s)")."

\n"); + + # The form field scantron_questions is acutally a list of line numbers. + # represented by this form so: + + my $line_list = &questions_to_line_list($arg); + $r->print(''); + $line_list.'" />'); $r->print($message); $r->print("

".&mt("Please indicate which bubble should be used for grading")."

"); foreach my $question (@{$arg}) { - my $selected = &get_response_bubbles($scan_record, $question); - my @select_array = split(/:/,$selected); - &scantron_bubble_selector($r,$scan_config,$question, - @select_array); + my @linenums = &prompt_for_corrections($r,$question,$scan_config, + $scan_record, $error); + push (@lines_to_correct,@linenums); } + $r->print(&verify_bubbles_checked(@lines_to_correct)); } elsif ($error eq 'missingbubble') { $r->print("

".&mt("There have been no bubbles scanned for some question(s)")."

\n"); $r->print($message); $r->print("

".&mt("Please indicate which bubble should be used for grading.")."

"); - $r->print(&mt("Some questions have no scanned bubbles")."\n"); + $r->print(&mt("Some questions have no scanned bubbles.")."\n"); + + # The form field scantron_questions is actually a list of line numbers not + # a list of question numbers. Therefore: + # + + my $line_list = &questions_to_line_list($arg); + $r->print(''); + $line_list.'" />'); foreach my $question (@{$arg}) { - my $selected = &get_response_bubbles($scan_record, $question); - my @select_array = split(/:/,$selected); # ought to be an array of empties. - &scantron_bubble_selector($r,$scan_config,$question, @select_array); + my @linenums = &prompt_for_corrections($r,$question,$scan_config, + $scan_record, $error); + push (@lines_to_correct,@linenums); } + $r->print(&verify_bubbles_checked(@lines_to_correct)); } else { $r->print("\n"); +} + +sub verify_bubbles_checked { + my (@ansnums) = @_; + my $ansnumstr = join('","',@ansnums); + my $warning = &mt("A bubble or 'No bubble' selection has not been made for one or more lines."); + my $output = (< +function verify_bubble_radio(form) { + var ansnumArray = new Array ("$ansnumstr"); + var need_bubble_count = 0; + for (var i=0; i 1) { + var bubble_picked = 0; + for (var j=0; j +ENDSCRIPT + return $output; +} + +=pod + +=item questions_to_line_list + +Converts a list of questions into a string of comma separated +line numbers in the answer sheet used by the questions. This is +used to fill in the scantron_questions form field. + + Arguments: + questions - Reference to an array of questions. + +=cut + +sub questions_to_line_list { + my ($questions) = @_; + my @lines; + + foreach my $item (@{$questions}) { + my $question = $item; + my ($first,$count,$last); + if ($item =~ /^(\d+)\.(\d+)$/) { + $question = $1; + my $subquestion = $2; + $first = $first_bubble_line{$question-1} + 1; + my @subans = split(/,/,$subdivided_bubble_lines{$question-1}); + my $subcount = 1; + while ($subcount<$subquestion) { + $first += $subans[$subcount-1]; + $subcount ++; + } + $count = $subans[$subquestion-1]; + } else { + $first = $first_bubble_line{$question-1} + 1; + $count = $bubble_lines_per_response{$question-1}; + } + $last = $first+$count-1; + push(@lines, ($first..$last)); + } + return join(',', @lines); +} + +=pod + +=item prompt_for_corrections + +Prompts for a potentially multiline correction to the +user's bubbling (factors out common code from scantron_get_correction +for multi and missing bubble cases). + + Arguments: + $r - Apache request object. + $question - The question number to prompt for. + $scan_config - The scantron file configuration hash. + $scan_record - Reference to the hash that has the the parsed scanlines. + $error - Type of error + + Implicit inputs: + %bubble_lines_per_response - Starting line numbers for each question. + Numbered from 0 (but question numbers are from + 1. + %first_bubble_line - Starting bubble line for each question. + %subdivided_bubble_lines - optionresponse, matchresponse and rankresponse + type problems render as separate sub-questions, + in exam mode. This hash contains a + comma-separated list of the lines per + sub-question. + %responsetype_per_response - essayresponse, formularesponse, + stringresponse, imageresponse, reactionresponse, + and organicresponse type problem parts can have + multiple lines per response if the weight + assigned exceeds 10. In this case, only + one bubble per line is permitted, but more + than one line might contain bubbles, e.g. + bubbling of: line 1 - J, line 2 - J, + line 3 - B would assign 22 points. + +=cut + +sub prompt_for_corrections { + my ($r, $question, $scan_config, $scan_record, $error) = @_; + my ($current_line,$lines); + my @linenums; + my $questionnum = $question; + if ($question =~ /^(\d+)\.(\d+)$/) { + $question = $1; + $current_line = $first_bubble_line{$question-1} + 1 ; + my $subquestion = $2; + my @subans = split(/,/,$subdivided_bubble_lines{$question-1}); + my $subcount = 1; + while ($subcount<$subquestion) { + $current_line += $subans[$subcount-1]; + $subcount ++; + } + $lines = $subans[$subquestion-1]; + } else { + $current_line = $first_bubble_line{$question-1} + 1 ; + $lines = $bubble_lines_per_response{$question-1}; + } + if ($lines > 1) { + $r->print(&mt('The group of bubble lines below responds to a single question.').'
'); + if (($responsetype_per_response{$question-1} eq 'essayresponse') || + ($responsetype_per_response{$question-1} eq 'formularesponse') || + ($responsetype_per_response{$question-1} eq 'stringresponse') || + ($responsetype_per_response{$question-1} eq 'imageresponse') || + ($responsetype_per_response{$question-1} eq 'reactionresponse') || + ($responsetype_per_response{$question-1} eq 'organicresponse')) { + $r->print(&mt("Although this particular question type requires handgrading, the instructions for this question in the exam directed students to leave [quant,_1,line] blank on their scantron sheets.",$lines).'

'.&mt('A non-zero score can be assigned to the student during scantron grading by selecting a bubble in at least one line.').'
'.&mt('The score for this question will be a sum of the numeric values for the selected bubbles from each line, where A=1 point, B=2 points etc.').'
'.&mt("To assign a score of zero for this question, mark all lines as 'No bubble'.").'

'); + } else { + $r->print(&mt("Select at most one bubble in a single line and select 'No Bubble' in all the other lines. ")."
"); + } + } + for (my $i =0; $i < $lines; $i++) { + my $selected = $$scan_record{"scantron.$current_line.answer"}; + &scantron_bubble_selector($r,$scan_config,$current_line, + $questionnum,$error,split('', $selected)); + push (@linenums,$current_line); + $current_line++; + } + if ($lines > 1) { + $r->print("

"); + } + return @linenums; } =pod @@ -6652,72 +6956,47 @@ ENDSCRIPT Arguments: $r - Apache request object $scan_config - hash from &get_scantron_config() - $quest - number of the bubble line to make a corrector for - @lines - array of answer lines. + $line - Number of the line being displayed. + $questionnum - Question number (may include subquestion) + $error - Type of error. + @selected - Array of bubbles picked on this line. =cut sub scantron_bubble_selector { - my ($r,$scan_config,$quest,@lines)=@_; + my ($r,$scan_config,$line,$questionnum,$error,@selected)=@_; my $max=$$scan_config{'Qlength'}; - my $scmode=$$scan_config{'Qon'}; - - my $bubble_length = scalar(@lines); - - if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; } - my $response = $quest-1; - my $lines = $bubble_lines_per_response{$response}; - - my $total_lines = $lines*2; my @alphabet=('A'..'Z'); - - $r->print(""); - - for (my $l = 0; $l < $lines; $l++) { - if ($l != 0) { - $r->print(''); - } - my @selected = split(//,$lines[$l]); - for (my $i=0;$i<$max;$i++) { - $r->print("\n".''); - - } - - if ($l == 0) { - my $lspan = $total_lines * 2; # 2 table rows per bubble line. - - $r->print(''); - - } - - $r->print(''); - - # FIXME: This may have to be a bit more clever for - # multiline questions (different values e.g..). - - for (my $i=0;$i<$max;$i++) { - my $value = "$l:$i"; # Relative bubble line #: Bubble in line. - $r->print("\n". - '"); - } - $r->print(''); - - - } - $r->print('
$quest
'); - if ($selected[0] eq $alphabet[$i]) { - $r->print('X'); - shift(@selected) ; - } else { - $r->print(' '); - } - $r->print('
'); + $r->print(&Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_row()); + $r->print(''.$line.''); + for (my $i=0;$i<$max+1;$i++) { + $r->print("\n".''); + if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) } + else { $r->print(' '); } + $r->print(''); + } + $r->print(&Apache::loncommon::end_data_table_row(). + &Apache::loncommon::start_data_table_row()); + for (my $i=0;$i<$max;$i++) { + $r->print("\n". + '"); + } + my $nobub_checked = ' '; + if ($error eq 'missingbubble') { + $nobub_checked = ' checked = "checked" '; + } + $r->print("\n".''."\n".''); + $r->print(&Apache::loncommon::end_data_table_row(). + &Apache::loncommon::end_data_table()); } =pod @@ -6897,7 +7176,6 @@ sub scantron_validate_doublebubble { #get scantron line setup my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); my ($scanlines,$scan_data)=&scantron_getfile(); - &scantron_get_maxbubble(); # parse needs the bubble line array. for (my $i=0;$i<=$scanlines->{'count'};$i++) { @@ -6924,14 +7202,17 @@ sub scantron_validate_doublebubble { for what the current value of the problem counter is. Caches the results to $env{'form.scantron_maxbubble'}, - $env{'form.scantron.bubble_lines.n'} and - $env{'form.scantron.first_bubble_line.n'} + $env{'form.scantron.bubble_lines.n'}, + $env{'form.scantron.first_bubble_line.n'} and + $env{"form.scantron.sub_bubblelines.n"} which are the total number of bubble, lines, the number of bubble - lines for reponse n and number of the first bubble line for response n. + lines for response n and number of the first bubble line for response n, + and a comma separated list of numbers of bubble lines for sub-questions + (for optionresponse, matchresponse, and rankresponse items), for response n. =cut -sub scantron_get_maxbubble { +sub scantron_get_maxbubble { if (defined($env{'form.scantron_maxbubble'}) && $env{'form.scantron_maxbubble'}) { &restore_bubble_lines(); @@ -6953,37 +7234,102 @@ sub scantron_get_maxbubble { my $total_lines = 0; %bubble_lines_per_response = (); %first_bubble_line = (); - + %subdivided_bubble_lines = (); + %responsetype_per_response = (); my $response_number = 0; my $bubble_line = 0; foreach my $resource (@resources) { - my $symb = $resource->symb(); - &Apache::lonxml::clear_bubble_lines_for_part(); - my $result=&Apache::lonnet::ssi($resource->src(), - ('symb' => $resource->symb()), - ('grade_target' => 'analyze'), - ('grade_courseid' => $cid), - ('grade_domain' => $udom), - ('grade_username' => $uname)); + my $symb = $resource->symb(); + # Need to retrieve part IDs and response IDs because essayresponse, + # reactionresponse and organicresponse items are not included in + # $analysis{'parts'} from lonnet::ssi. + my %possible_part_ids; + if (ref($resource->parts()) eq 'ARRAY') { + foreach my $part (@{$resource->parts()}) { + if (!&Apache::loncommon::check_if_partid_hidden($part,$symb,$udom,$uname)) { + my @resp_ids = $resource->responseIds($part); + foreach my $id (@resp_ids) { + $possible_part_ids{$part.'.'.$id} = 1; + } + } + } + } + my $result=&ssi_with_retries($resource->src(), $ssi_retries, + ('symb' => $symb, + 'grade_target' => 'analyze', + 'grade_courseid' => $cid, + 'grade_domain' => $udom, + 'grade_username' => $uname)); my (undef, $an) = split(/_HASH_REF__/,$result, 2); - my %analysis = &Apache::lonnet::str2hash($an); - - - - foreach my $part_id (@{$analysis{'parts'}}) { + my @parts; - my $lines = $analysis{"$part_id.bubble_lines"};; + my %analysis = &Apache::lonnet::str2hash($an); + if (ref($analysis{'parts'}) eq 'ARRAY') { + foreach my $part (@{$analysis{'parts'}}) { + my ($id,$respid) = split(/\./,$part); + if (!&Apache::loncommon::check_if_partid_hidden($id,$symb,$udom,$uname)) { + push(@parts,$part); + } + } + } + # Add part_ids for any essayresponse items. + foreach my $part_id (keys(%possible_part_ids)) { + if (($analysis{$part_id.'.type'} eq 'essayresponse') || + ($analysis{$part_id.'.type'} eq 'reactionresponse') || + ($analysis{$part_id.'.type'} eq 'organicresponse')) { + if (!grep(/^\Q$part_id\E$/,@parts)) { + push (@parts,$part_id); + } + } + } + foreach my $part_id (@parts) { + my $lines = $analysis{"$part_id.bubble_lines"}; # TODO - make this a persistent hash not an array. + # optionresponse, matchresponse and rankresponse type items + # render as separate sub-questions in exam mode. + if (($analysis{$part_id.'.type'} eq 'optionresponse') || + ($analysis{$part_id.'.type'} eq 'matchresponse') || + ($analysis{$part_id.'.type'} eq 'rankresponse')) { + my ($numbub,$numshown); + if ($analysis{$part_id.'.type'} eq 'optionresponse') { + if (ref($analysis{$part_id.'.options'}) eq 'ARRAY') { + $numbub = scalar(@{$analysis{$part_id.'.options'}}); + } + } elsif ($analysis{$part_id.'.type'} eq 'matchresponse') { + if (ref($analysis{$part_id.'.items'}) eq 'ARRAY') { + $numbub = scalar(@{$analysis{$part_id.'.items'}}); + } + } elsif ($analysis{$part_id.'.type'} eq 'rankresponse') { + if (ref($analysis{$part_id.'.foils'}) eq 'ARRAY') { + $numbub = scalar(@{$analysis{$part_id.'.foils'}}); + } + } + if (ref($analysis{$part_id.'.shown'}) eq 'ARRAY') { + $numshown = scalar(@{$analysis{$part_id.'.shown'}}); + } + my $bubbles_per_line = 10; + my $inner_bubble_lines = int($numshown/$bubbles_per_line); + if (($numshown % $bubbles_per_line) != 0) { + $inner_bubble_lines++; + } + for (my $i=0; $i<$numshown; $i++) { + $subdivided_bubble_lines{$response_number} .= + $inner_bubble_lines.','; + } + $subdivided_bubble_lines{$response_number} =~ s/,$//; + } - $first_bubble_line{$response_number} = $bubble_line; - $bubble_lines_per_response{$response_number} = $lines; + $first_bubble_line{$response_number} = $bubble_line; + $bubble_lines_per_response{$response_number} = $lines; + $responsetype_per_response{$response_number} = + $analysis{$part_id.'.type'}; $response_number++; $bubble_line += $lines; @@ -7031,7 +7377,25 @@ sub scantron_validate_missingbubbles { # Probably here's where the error is... foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) { - if ($missing > $max_bubble) { next; } + my $lastbubble; + if ($missing =~ /^(\d+)\.(\d+)$/) { + my $question = $1; + my $subquestion = $2; + if (!defined($first_bubble_line{$question -1})) { next; } + my $first = $first_bubble_line{$question-1}; + my @subans = split(/,/,$subdivided_bubble_lines{$question-1}); + my $subcount = 1; + while ($subcount<$subquestion) { + $first += $subans[$subcount-1]; + $subcount ++; + } + my $count = $subans[$subquestion-1]; + $lastbubble = $first + $count; + } else { + if (!defined($first_bubble_line{$missing - 1})) { next; } + $lastbubble = $first_bubble_line{$missing - 1} + $bubble_lines_per_response{$missing - 1}; + } + if ($lastbubble > $max_bubble) { next; } push(@to_correct,$missing); } if (@to_correct) { @@ -7070,9 +7434,12 @@ sub scantron_validate_missingbubbles { sub scantron_process_students { my ($r) = @_; + my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($env{'form.selectpage'}); my ($symb)=&get_symb($r); - if (!$symb) {return '';} + if (!$symb) { + return ''; + } my $default_form_data=&defaultFormData($symb); my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); @@ -7104,6 +7471,17 @@ SCANTRONFORM my ($uname,$udom,$started); &scantron_get_maxbubble(); # Need the bubble lines array to parse. + + + # If an ssi failed in scantron_get_maxbubble, put an error message out to + # the user and return. + + if ($ssi_error) { + $r->print(""); + &ssi_print_error($r); + $r->print(&show_grading_menu_form($symb)); + return ''; # Dunno why the other returns return '' rather than just returning. + } while ($i<$scanlines->{'count'}) { ($uname,$udom)=('',''); @@ -7131,7 +7509,7 @@ SCANTRONFORM ($uname,$udom)=split(/:/,$uname); &Apache::lonxml::clear_problem_counter(); - &Apache::lonnet::appenv(%$scan_record); + &Apache::lonnet::appenv($scan_record); if (&scantron_clear_skip($scanlines,$scan_data,$i)) { &scantron_putfile($scanlines,$scan_data); @@ -7152,10 +7530,16 @@ SCANTRONFORM $form{'CODE'}=$scan_record->{'scantron.CODE'}; } else { $form{'CODE'}=''; + } + my $result=&ssi_with_retries($resource->src(), $ssi_retries, %form); + if ($ssi_error) { + $ssi_error = 0; # So end of handler error message does not trigger. + $r->print(""); + &ssi_print_error($r); + $r->print(&show_grading_menu_form($symb)); + return ''; # Why return ''? Beats me. } - my $result=&Apache::lonnet::ssi($resource->src(),%form); - if ($result ne '') { - } + if (&Apache::loncommon::connection_aborted($r)) { last; } } $completedstudents{$uname}={'line'=>$line}; @@ -7457,14 +7841,12 @@ sub grading_menu { $menudata->{'url'}.'" >'. $menudata->{'name'}."\n"; } else { - $Str .='

{'jscript'}. ' onClick="javascript:checkChoice(document.forms.gradingMenu,\'5\',\'verify\')" '. - ' />

'; - $Str .= (' 'x8). - &mt(' receipt: [_1]', - &Apache::lonnet::recprefix($env{'request.course.id'}). - '-'); + ' /> '. + &Apache::lonnet::recprefix($env{'request.course.id'}). + '-'; } $Str .= ' '.(' 'x8).$menudata->{'short_description'}. "\n"; @@ -7671,6 +8053,7 @@ GRADINGMENUJS '; + $result .= &show_grading_menu_form($symb); return $result; } @@ -7949,8 +8332,6 @@ ENDHEADER } $result.='
'.&mt('Found [_1] question(s)',$number).'
'. ''. - &mt('Awarding [_1] percent for corrion(s)',$number).'
'. - ''. &mt('Awarding [_1] percent for correct and [_2] percent for incorrect responses', $env{'form.pcorrect'},$env{'form.pincorrect'}). '
'; @@ -8198,7 +8579,7 @@ sub handler { &Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands)); } - + $ssi_error = 0; $request->print(&Apache::loncommon::start_page('Grading')); if ($symb eq '' && $command eq '') { if ($env{'user.adv'}) { @@ -8211,7 +8592,7 @@ sub handler { if ($tsymb) { my ($map,$id,$url)=&Apache::lonnet::decode_symb($tsymb); if (&Apache::lonnet::allowed('mgr',$tcrsid)) { - $request->print(&Apache::lonnet::ssi_body('/res/'.$url, + $request->print(&ssi_with_retries('/res/'.$url, $ssi_retries, ('grade_username' => $tuname, 'grade_domain' => $tudom, 'grade_courseid' => $tcrsid, @@ -8298,6 +8679,9 @@ sub handler { $request->print("Access Denied ($command)"); } } + if ($ssi_error) { + &ssi_print_error($request); + } $request->print(&Apache::loncommon::end_page()); &reset_caches(); return '';