--- loncom/homework/optionresponse.pm 2001/02/07 00:28:33 1.2 +++ loncom/homework/optionresponse.pm 2015/04/21 12:28:05 1.199 @@ -1,178 +1,1195 @@ -# The LearningOnline Network with CAPA +# LearningOnline Network with CAPA # option list style responses +# +# $Id: optionresponse.pm,v 1.199 2015/04/21 12:28:05 raeburn Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# + + + + package Apache::optionresponse; use strict; +use Apache::response(); +use Apache::lonlocal; +use Apache::lonnet; -sub BEGIN { +BEGIN { &Apache::lonxml::register('Apache::optionresponse',('optionresponse')); } sub start_optionresponse { - my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; - #when in a radiobutton response use these - &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup')); + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result=''; + #when in a option response use these + &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist')); + push (@Apache::lonxml::namespace,'optionresponse'); my $id = &Apache::response::start_response($parstack,$safeeval); - return ''; + %Apache::hint::option=(); + undef(%Apache::response::foilnames); + if ($target eq 'edit') { + $result.=&Apache::edit::start_table($token) + .''.&Apache::loncommon::insert_folding_button().' ' + .&mt('Multiple Option Response Question').' ' + .&Apache::loncommon::help_open_topic('Option_Response_Problems')."" + .''.&mt('Delete?').' ' + .&Apache::edit::deletelist($target,$token) + .'' + ." " + .&Apache::edit::end_row() + .&Apache::edit::start_spanning_row() + ."\n"; + $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max', + $token,'4'). + &Apache::edit::select_arg('Randomize Foil Order:','randomize', + ['yes','no'],$token). + &Apache::edit::select_arg('Display of options when printed','TeXlayout', + [['horizontal','Normal list'], + ['vertical','Listed in a vertical column']],$token). + &Apache::edit::end_row().&Apache::edit::start_spanning_row(); + } elsif ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack, + $safeeval,'max','randomize', + 'TeXlayout'); + if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } + } elsif ($target eq 'meta') { + $result=&Apache::response::meta_package_write('optionresponse'); + } elsif ($target eq 'analyze') { + my $part_id="$Apache::inputtags::part.$id"; + $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse'; + push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); + push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1); + + } + return $result; } sub end_optionresponse { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; &Apache::response::end_response; - return ''; + pop @Apache::lonxml::namespace; + &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist')); + my $result; + if ($target eq 'edit') { $result=&Apache::edit::end_table(); } + undef(%Apache::response::foilnames); + return $result; } -%Apache::response::foilgroup={}; +%Apache::response::foilgroup=(); sub start_foilgroup { - %Apache::response::foilgroup={}; - return ''; -} + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + + my $result=''; + %Apache::response::foilgroup=(); + $Apache::optionresponse::conceptgroup=0; + &Apache::response::pushrandomnumber(undef,$target); + if ($target eq 'edit') { + my $optionlist="\n"; + my $option; + my @opt; + my @raw_options = &Apache::lonxml::get_param('options', $parstack, $safeeval, 0, 0, 1); -sub setrandomnumber { - my $rndseed=&Apache::lonnet::rndseed(); - $rndseed=unpack("%32i",$rndseed); - $rndseed=$rndseed - +&Apache::lonnet::numval($Apache::inputtags::part) - +&Apache::lonnet::numval($Apache::inputtags::response['-1']); - srand($rndseed); - return ''; + + eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval, 0, 0, 1); + + my $count=1; + foreach $option (@opt) { + $optionlist.="\n"; + $count++; + } + my $insertlist=&Apache::edit::insertlist($target,$token); + $result.=&Apache::edit::start_table($token); + my %lt = &Apache::lonlocal::texthash( + sel => 'Select Options', + add => 'Add new Option:', + del => 'Delete an Option:', + maxcheck => 'Enter maximum number students may check (e.g., 3)', + mincheck => 'Enter minimum number students need to check (e.g., 1)', + ); + $result.= sprintf(<%s $lt{'sel'} + + $lt{'add'} + + $lt{'del'} + + +ENDTABLE + $result.= ''.&Apache::edit::checked_arg('Print options:','texoptions', + [ ['nochoice',"Don't show option list"] ] + ,$token).''; + $result.= ' '; + my %checknumtxt = ( + maxcheck => 'Max. boxes permitted to check', + mincheck => 'Min. boxes required to check', + ); + my (%onclicknum,%checknum); + foreach my $item ('maxcheck','mincheck') { + $onclicknum{$item} = 'onclick="'."updateNumber('$item','$Apache::lonxml::curdepth','check','$lt{$item}');".'"'; + $checknum{$item} = &Apache::lonxml::get_param($item,$parstack,$safeeval); + } + $result.=&Apache::edit::checked_arg('Checkbox options:','checkboxoptions', + [ ['nochoice',"Don't show option list"] ] + ,$token).' '. + &Apache::edit::checked_arg('','noprompt', + [ ['nochoice','Omit "Select all that are ... "' ] ] + ,$token); + foreach my $item ('maxcheck','mincheck') { + my $currnum = $checknum{$item}; + unless ($currnum =~ /^\d+$/) { + $currnum = 'nochoice'; + } + $result.= ' '. + &Apache::edit::checked_arg('',$item,[ [$currnum,$checknumtxt{$item}] ], + $token,$onclicknum{$item},1).' '. + ''; + if ($checknum{$item} ne '') { + $result .= ': '. + $checknum{$item}.''; + } + $result .= ''; + } + $result.= ''; + $result.= &Apache::edit::end_row(); + $result.= &Apache::edit::start_spanning_row(); + $result.= $insertlist.'
'; + } + if ($target eq 'modified') { + my @options; + my $optchanged=0; + + + eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval, 0, 0, 1); + + if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) { + my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"}; + &Apache::lonxml::debug("Deleting :$delopt:"); + splice(@options,$delopt-1,1); + $optchanged=1; + } + if ($env{"form.$Apache::lonxml::curdepth.options"} ne '') { + my $newopt = $env{"form.$Apache::lonxml::curdepth.options"}; + push(@options,$newopt); + $optchanged=1; + } + my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval, + 'texoptions','checkboxvalue','checkboxoptions', + 'noprompt','maxcheck','mincheck'); + if ($rebuildtag) { + my $maxcheck = $token->[2]->{'maxcheck'}; + my $mincheck = $token->[2]->{'mincheck'}; + if ($mincheck =~ /D/) { + $token->[2]->{'mincheck'}=''; + } + if ($maxcheck =~ /D/) { + $token->[2]->{'maxcheck'}=''; + } + if (($mincheck ne '') && ($maxcheck ne '')) { + if ($mincheck > $maxcheck) { + $token->[2]->{'mincheck'}=$maxcheck; + } + } + } + if ($optchanged || $rebuildtag ) { + $result = "[2]{'texoptions'}.'" '; + $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" '; + $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'" '; + $result .= 'noprompt="'.$token->[2]{'noprompt'}.'" '; + $result .= 'maxcheck="'.$token->[2]{'maxcheck'}.'" '; + $result .= 'mincheck="'.$token->[2]{'mincheck'}.'"'; + $result .= '>'; + } # else nothing changed so just use the default mechanism + } + if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { + if($env{'form.pdfFormFields'} ne 'yes') { + $result .= ' \begin{itemize} '; + } else { + $result .= "\\\\"; + } + } + return $result; } sub end_foilgroup { - my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; - if ($target ne 'meta') { + if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || + $target eq 'tex' || $target eq 'analyze') { + my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval); my $name; - &setrandomnumber(); - my ($count,$max) = &getfoilcounts($parstack,$safeeval); - if ($count>$max) { $count=$max } - &Apache::lonxml::debug("Count is $count from $max"); - my $args =''; - if ( $#$parstack > 0 ) { $args=$$parstack['-1']; } my @opt; - eval '@opt ='.&Apache::run::run("{$args;".'return $options}',$safeeval); - if ($target eq 'web') { - $result=&displayfoils($count,@opt); + eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval); + &Apache::lonxml::debug("options:".join(':',@opt)); + + my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval, + -2,0); + my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval); + my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice'); + my $maxcheck=&Apache::lonxml::get_param('maxcheck', $parstack, $safeeval); + $maxcheck =~ s/\D+//g; + my $mincheck=&Apache::lonxml::get_param('mincheck', $parstack, $safeeval); + $mincheck =~ s/\D+//g; + my $noprompt=&Apache::lonxml::get_param('noprompt', $parstack, $safeeval); + + if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();} + &Apache::lonxml::debug("Options are $#opt"); + my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2'); + my $randomize = &Apache::lonxml::get_param('randomize',$parstack, + $safeeval,'-2'); + if ($target eq 'web' || $target eq 'tex') { + $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,$tex_option_switch, $noprompt,$maxcheck,$mincheck, @opt); + $Apache::lonxml::post_evaluate=0; + } elsif ( $target eq 'answer') { + $result.=&displayanswers($max,$randomize,@opt); + + } elsif ( $target eq 'analyze') { + my @shown = &whichfoils($max,$randomize); + &Apache::response::analyze_store_foilgroup(\@shown, + ['text','value','location']); + my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; + push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt); } elsif ( $target eq 'grade') { - if ( defined $ENV{'form.submitted'}) { - my @whichopt = &whichfoils($count); + + if ( &Apache::response::submitted()) { + + my @whichopt = &whichfoils($max,$randomize); my $temp=1;my $name; - my $allresponse; + my %responsehash; + my %grade; my $right=0; my $wrong=0; + my $ignored=0; + my $checked=0; + my ($numrows,$bubbles_per_row); + if ($Apache::lonhomework::scantronmode) { + my $numitems = scalar(@opt); + ($numrows,$bubbles_per_row) = + &Apache::optionresponse::getnumrows($numitems); + } + if ($numrows < 1) { + $numrows = 1; + } + my $checkboxopt; + if ($checkboxvalue) { + $checkboxopt = &check_box_opt($target,$checkboxvalue,@opt); + if (($checkboxopt) && ($Apache::lonhomework::type !~ /survey/)) { + my $corrnumcheck = 0; + if (($maxcheck ne '') || ($mincheck ne '')) { + foreach $name (@whichopt) { + if ($Apache::response::foilgroup{$name.'.value'} eq $checkboxopt) { + $corrnumcheck ++; + } + } + if (($maxcheck ne '') && ($corrnumcheck > $maxcheck)) { + $maxcheck = $corrnumcheck; + } + if (($mincheck ne '') && ($corrnumcheck < $mincheck)) { + $mincheck = $corrnumcheck; + } + } + } + } foreach $name (@whichopt) { - my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"}; - $allresponse.="$response:"; + my $response; + if ($env{'form.submitted'} eq 'scantron') { + if ($numrows > 1) { + my $num = $temp; + my $totalnum; + for (my $i=0; $i<$numrows; $i++) { + my $item = &Apache::response::getresponse($num); + if ($item =~ /^\d+$/) { + $totalnum = $i*$bubbles_per_row + $item; + } + $num ++; + } + if ($totalnum =~ /^\d+$/) { + $response = $opt[$totalnum]; + } + $temp += $numrows; + } else { + $response=&Apache::response::getresponse($temp); + if ($response=~/\S/) { + $response = $opt[$response]; + } + $temp ++; + } + } else { + $response=&Apache::response::getresponse($temp); + $temp ++; + } if ( $response =~ /[^\s]/) { - &Apache::lonxml::debug("submitted a $response
\n"); + $responsehash{$name}=$response; my $value=$Apache::response::foilgroup{$name.'.value'}; - if ($value eq $response) {$right++;} else {$wrong++;} + &Apache::lonxml::debug("submitted a $response for $value
\n"); + if ($value eq $response) { + $grade{$name}='1'; $right++; + } else { + $grade{$name}='0'; $wrong++; + } + if ($checkboxopt) { + if ($response eq $checkboxopt) { + $checked++; + } + } + } else { + $ignored++; } - $temp++; - } - my $id = $Apache::inputtags::response['-1']; - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$allresponse; - &Apache::lonxml::debug("Got $right right and $wrong wrong"); - if ($wrong==0) { - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS'; - } else { - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT'; } + my $part=$Apache::inputtags::part; + my $id = $Apache::inputtags::response['-1']; + my $nonlenient=&grading_is_nonlenient($part,$id); + my $responsestr=&Apache::lonnet::hash2str(%responsehash); + my $gradestr =&Apache::lonnet::hash2str(%grade); + my %previous=&Apache::response::check_for_previous($responsestr, + $part,$id); + &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored"); + $Apache::lonhomework::results{"resource.$part.$id.submission"}= + $responsestr; + $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr; + if ($Apache::lonhomework::type eq 'randomizetry') { + $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt); + } + my $skipaward; + if ($checkboxvalue) { + if ((($maxcheck ne '') && ($checked > $maxcheck)) || + (($mincheck ne '') && ($checked < $mincheck))) { + my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='WRONG_NUMBOXESCHECKED'; + &Apache::response::handle_previous(\%previous,$ad); + $skipaward = 1; + } + } + unless ($skipaward) { + if (($Apache::lonhomework::type eq 'survey') || + ($Apache::lonhomework::type eq 'surveycred') || + ($Apache::lonhomework::type eq 'anonsurvey') || + ($Apache::lonhomework::type eq 'anonsurveycred')) { + if ($ignored == 0) { + my $ad; + if ($Apache::lonhomework::type eq 'anonsurveycred') { + $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT'; + } elsif ($Apache::lonhomework::type eq 'anonsurvey') { + $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS'; + } elsif ($Apache::lonhomework::type eq 'surveycred') { + $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT'; + } else { + $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED'; + } + &Apache::response::handle_previous(\%previous,$ad); + } elsif ($wrong==0 && $right==0) { + } else { + my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER'; + &Apache::response::handle_previous(\%previous,$ad); + } + } elsif ($nonlenient) { +# +# Non-lenient mode. All right or all wrong +# + my $ad; + if ($wrong==0 && $ignored==0) { + $ad='EXACT_ANS'; + } elsif ($wrong==0 && $right==0) { + #nothing submitted + } else { + if ($ignored==0) { + $ad='INCORRECT'; + } else { + $ad='MISSING_ANSWER'; + } + } + $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; + &Apache::response::handle_previous(\%previous,$ad); + } else { +# +# This is lenient mode +# + my $ad; + if ($wrong==0 && $right==0) { + #nothing submitted only assign a score if we + #need to override a previous grade + if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) { + $ad='ASSIGNED_SCORE'; + } + } else { + $ad='ASSIGNED_SCORE'; + } + $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; + $Apache::lonhomework::results{"resource.$part.$id.awarded"}= + $right/(scalar(@whichopt)); + $Apache::lonhomework::results{"resource.$part.$id.numfoils"}= + scalar(@whichopt); + } + } } } + my $part_id = $Apache::inputtags::part; + my $response_id = $Apache::inputtags::response[-1]; + my ($numrows,$bubbles_per_row); + if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) { + ($numrows,$bubbles_per_row) = + &Apache::optionresponse::getnumrows(scalar(@opt)); + } + if ($numrows < 1) { + $numrows = 1; + } + my $increment = &getfoilcounts($max) * $numrows; + &Apache::lonxml::increment_counter($increment,"$part_id.$response_id"); + if ($target eq 'analyze') { + &Apache::lonhomework::set_bubble_lines(); + } + + } elsif ($target eq 'edit') { + $result.=&Apache::edit::end_table(); } + if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { + if($env{'form.pdfFormFields'} ne 'yes') { + $result .= '\end{itemize}'; + } else { + $result .= "\\\\"; + } + } + &Apache::response::poprandomnumber(); return $result; } +sub grading_is_nonlenient { + my ($part,$id) = @_; +# Web mode: we are non-lenient unless told otherwise + my $defaultparm = 'off'; + my $nonlenient = 1; +# Grading a bubblesheet exam: we are grading lenient unless told otherwise + if ($Apache::lonhomework::scantronmode) { + $defaultparm = 'on'; + $nonlenient = 0; + } + my $lenientparm = + &Apache::response::get_response_param($part,'lenient',$defaultparm); + if ($lenientparm eq 'default') { + $lenientparm = $defaultparm; + } + $lenientparm = + &Apache::response::get_response_param($part.'_'.$id,'lenient',$lenientparm); + if ($lenientparm eq 'default') { + $lenientparm = $defaultparm; + } + if ($lenientparm=~/^0|off|no$/i) { + $nonlenient = 1; + } elsif ($lenientparm=~/^1|on|yes$/i) { + $nonlenient = 0; + } + if (!$nonlenient) { + $Apache::inputtags::leniency=1; + } + return $nonlenient; +} + sub getfoilcounts { - my ($parstack,$safeeval)=@_; - my $rrargs =''; - if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; } - my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval); - my $count = $#{ $Apache::response::foilgroup{'names'} }; - return ($count,$max); + my ($max)=@_; + # +1 since instructors will count from 1 + my $count = $#{ $Apache::response::foilgroup{'names'} }+1; + if (&Apache::response::showallfoils()) { $max=$count; } + if ($count>$max) { $count=$max } + &Apache::lonxml::debug("Count is $count from $max"); + return $count; } sub whichfoils { - my ($max)=@_; - my @names = @{ $Apache::response::foilgroup{'names'} }; - my @whichopt =(); - while ((($#whichopt+1) < $max) && ($#names > -1)) { - my $aopt=int rand $#names; - &Apache::lonxml::debug("From $#names elms, picking $aopt"); - $aopt=splice(@names,$aopt,1); - &Apache::lonxml::debug("Picked $aopt"); - push (@whichopt,$aopt); - } - return @whichopt; + my ($max,$randomize)=@_; + return &Apache::response::whichorder($max,$randomize, + &Apache::response::showallfoils(), + \%Apache::response::foilgroup); +} + +sub displayanswers { + my ($max,$randomize,@opt)=@_; + my @names; + if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') { + @names = @{ $Apache::response::foilgroup{'names'} }; + } + return if (!@names); + my @whichopt = &whichfoils($max,$randomize); + my $result; + if ($Apache::lonhomework::type eq 'exam') { + my $i = 0; + my %opt = map { ($_,$i++) } @opt; + + $i = 0; + my @alphabet = ('A'..'Z'); + foreach my $name (@whichopt) { + $result.=&Apache::response::answer_header('optionresponse',$i++); + $result.=&Apache::response::answer_part('optionresponse', + $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]); + $result.=&Apache::response::answer_part('optionresponse', + $Apache::response::foilgroup{$name.'.value'}); + $result.=&Apache::response::answer_footer('optionresponse'); + } + } else { + $result=&Apache::response::answer_header('optionresponse'); + foreach my $name (@whichopt) { + $result.=&Apache::response::answer_part('optionresponse', + $Apache::response::foilgroup{$name.'.value'}); + } + $result.=&Apache::response::answer_footer('optionresponse'); + } + return $result; +} + +sub check_box_opt { + my ($target,$checkboxvalue,@opt)=@_; +# Check if we are in checkbox mode: checkboxvalue specified, on web, only two options. +# If so, return "checked" value + if ($#opt!=1) { return ''; } + unless (($target eq 'web') || ($target eq 'grade')) { return ''; } + return $checkboxvalue; +} + +sub check_for_invalid { + my ($names,$options) = @_; + my %bad_names; + foreach my $name (@{ $names }) { + my $value=$Apache::response::foilgroup{$name.'.value'}; + my $found=0; + foreach my $option (@{ $options }) { + if ($value eq $option) { $found=1; } + } + if (!$found) { $bad_names{$name}=$value; } + } + if (%bad_names) { + my $error=&mt('The question can not be gotten correct, '. + 'the following foils in the <optionresponse> '. + 'have invalid correct options').'
'. + join('
',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))). + ""; + &Apache::lonxml::error($error); + } } sub displayfoils { - my ($max,@opt)=@_; - my @names = @{ $Apache::response::foilgroup{'names'} }; + my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices, + $tex_option_switch, $no_tfprompt, $maxcheck, $mincheck, @opt)=@_; + my @names; + if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') { + @names = @{ $Apache::response::foilgroup{'names'} }; + } + unless (@names > 0) { return;} my @truelist; my @falselist; - my $result; + my $result; my $name; - my @whichopt = &whichfoils($max); - my $optionlist="\n"; - my $option; - foreach $option (@opt) { - $optionlist.="\n"; + my $displayoptionintex=1; + my @alphabet = ('A'..'Z'); + my @whichopt = &whichfoils($max,$randomize); + unless (($target eq 'tex') && ($tex_option_switch eq 'nochoice')) { + &check_for_invalid(\@whichopt,\@opt); } - if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) { + my $part=$Apache::inputtags::part; + my $id=$Apache::inputtags::response[-1]; + my $break; + if ( ($target ne 'tex') && + &Apache::response::show_answer() ) { + my $temp=1; foreach $name (@whichopt) { - $result.="
".$Apache::response::foilgroup{$name.'.value'}. - ":".$Apache::response::foilgroup{$name.'.text'}."\n"; + my $text=$Apache::response::foilgroup{$name.'.text'}; + my $lastresp; + if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) || + (($env{'form.grade_username'} eq $env{'user.name'}) && + ($env{'form.grade_domain'} eq $env{'user.domain'}))) { + $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"}; + } else { + unless (($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || + ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) { + $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"}; + } + } + my %lastresponse=&Apache::lonnet::str2hash($lastresp); + my $lastopt=$lastresponse{$name}; + if ($text!~/^\s*$/) { $break='
'; } + $result.=$break; + if ($target eq 'web') { + my $value=$Apache::response::foilgroup{$name.'.value'}; + if (!($text=~s||$value|)) { + if ($text=~/^\s*$/) { + $text=$value.$text; + } else { + $text=''.$value.': '.$text; + } + } else { + if (@whichopt > 1) { + $text='•'.$text; + } + } + $result.=$text."\n"; + } + if ($Apache::lonhomework::type eq 'exam') { + $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt); + } + $temp++; } } else { my $temp=1; + my %lastresponse; + my $newvariation; + if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') || + ($Apache::lonhomework::type eq 'randomizetry')) && + ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) { + if ($env{'form.'.$part.'.rndseed'} ne + $Apache::lonhomework::history{"resource.$part.rndseed"}) { + $newvariation = 1; + } + } + unless ($newvariation) { + if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) || + (($env{'form.grade_username'} eq $env{'user.name'}) && + ($env{'form.grade_domain'} eq $env{'user.domain'}))) { + %lastresponse = + &Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"}); + } else { + unless (($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || + ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) { + %lastresponse = + &Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"}); + } + } + } + my $internal_counter=$Apache::lonxml::counter; + my $checkboxopt; + if ($target eq 'web') { + $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt); + } + if ($checkboxopt && (!$no_tfprompt)) { + $result.='
'. + ($checkboxchoices?&mt('Choices: ').''.$opt[0].','.$opt[1].'. ':''). + &mt('Select all that are [_1].',''.$checkboxopt.''); + } foreach $name (@whichopt) { - $result.="
\n".$Apache::response::foilgroup{$name.'.text'}."\n"; - $temp++; + my $text=$Apache::response::foilgroup{$name.'.text'}; + if ($text!~/^\s*$/) { + if ($target eq 'tex') { + $break='\vskip 0 mm '; + } elsif ($target eq 'web') { + $break='
'; + } + } + my $lastopt=$lastresponse{$name}; + my $optionlist="\n"; + + if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes' + && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { + my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp; + $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname); + } + + foreach my $option (@opt) { + my $escopt=&HTML::Entities::encode($option,'\'"&<>'); + if ($option eq $lastopt) { + if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes' + && $Apache::inputtags::status[-1] eq 'CAN_ANSWER' + && $Apache::lonhomework::type ne 'exam') { + $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); + } else { + $optionlist.="\n"; + } + } else { + if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes' + && $Apache::inputtags::status[-1] eq 'CAN_ANSWER' + && $Apache::lonhomework::type ne 'exam') { + $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); + } else { + $optionlist.="\n"; + } + } + } + if ($target ne 'tex') { + if ($Apache::lonhomework::type ne 'exam') { +# we are on the web, this is not an exam, and the problem can be answered + if ($checkboxopt) { +# generate checkboxes + my $fieldname=$Apache::inputtags::response['-1'].':'.$temp; + my $altopt=$opt[0]; + if ($opt[0] eq $checkboxopt) { + $altopt=$opt[1]; + } + my $defopt=$lastopt; + unless ($defopt) { $defopt=$altopt; } + my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>'); + my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>'); + my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>'); +# checkboxopt is how the box is labelled +# altopt is the alternative option +# lastopt is what the user submitted before +# defopt is what the field is going to start out with: either previous choice or altopt +# fieldname is this input field's name after HWVAL_ + $optionlist=''. + '\n"; + } else { +# classic selection list + $optionlist='\n"; + } + } else { + $optionlist=''.(' 'x10).''; + } + if ($text=~s||$optionlist|) { + if ($Apache::lonhomework::type ne 'exam') { + if (@whichopt > 1) { + $text='•'.$text; + } + } + } else { + if ($Apache::lonhomework::type ne 'exam') { + $text=$optionlist.$text; + } + } + $result.=$break.$text."\n"; + if ($Apache::lonhomework::type eq 'exam') { + $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt); + } + $temp++; + } else { + my $texoptionlist=''; + if ($displayoptionintex && + $Apache::lonhomework::type ne 'exam') { + $texoptionlist = &optionlist_correction($TeXlayout,@opt); + } + if ($text=~//) { + $text=~s|| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g; + } + + if ($text=~m/\\item /) { + if ($Apache::lonhomework::type eq 'exam') { + $text=~s/\\item/\\vskip 2 mm/; + } elsif ($env{'form.pdfFormFields'} ne 'yes') { + $result.= $texoptionlist.$text; + } + } else { + if ($Apache::lonhomework::type eq 'exam') { + $result.= $texoptionlist.' '.$text; + } elsif ($env{'form.pdfFormFields'} ne 'yes') { + if ($text=~/\S/) { + $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text; + } else { + $result.= $texoptionlist; + } + } + } + if ($Apache::lonhomework::type eq 'exam') { + $result.='\vskip -1 mm\noindent'; + my ($numrows,$bubbles_per_row) = &getnumrows(scalar(@opt)); + if ($numrows == 1) { + $result .= '\textbf{'.$internal_counter.'}. \vskip -3mm'; + } else { + my $linetext; + for (my $i=0; $i<$numrows; $i++) { + $linetext .= $internal_counter+$i.', '; + } + $linetext =~ s/,\s$//; + $result .= '\small {\textbf{'.$linetext.'}} '. + '\hskip 2 mm {\footnotesize '. + &mt('(Bubble once in [_1] lines)',$numrows). + '} \vskip 1 mm'; + } + $result.= &bubbles(\@alphabet,\@opt,undef,undef,$numrows, + $bubbles_per_row,$internal_counter). + ' \strut '; + $internal_counter += $numrows; + } + if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes' + && $Apache::inputtags::status[-1] eq 'CAN_ANSWER' + && $Apache::lonhomework::type ne 'exam') { + $text =~ s/\\item//m; + $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\'; + $temp++; + } + $displayoptionintex=0; + } } } - return $result."
"; + + if ($target eq 'web') { + my $data = [\@whichopt,'submissiongrading']; + my $questiontype; + if ($Apache::lonhomework::type eq 'randomizetry') { + $questiontype = $Apache::lonhomework::type, + } + &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype); + } + + if ($target ne 'tex') { + return $result.$break; + } else { + return $result; + } +} + + +sub optionlist_correction { + my ($TeXlayout,@options) = @_; + my $texoptionlist='\\item [] '.&mt('Choices:').' '; + if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';} + if (scalar(@options) > 0) { + foreach my $option (@options) { + $texoptionlist.='{\bf '. + &Apache::lonxml::latex_special_symbols($option). + '}'; + if ($TeXlayout eq 'vertical') { + $texoptionlist.=' \vskip 0 mm ', + } else { + $texoptionlist.=', '; + } + } + $texoptionlist=~s/, $//; + if ($TeXlayout ne 'vertical') {$texoptionlist.='.';} + } else { + if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';} + } + return $texoptionlist; +} + + +sub webbubbles { + my ($ropt,$ralphabet,$temp,$lastopt)=@_; + my @opt=@$ropt; + my @alphabet=@$ralphabet; + my $result=''; + my $number_of_bubbles = $#opt + 1; + $result.= ''; + for (my $ind=0;$ind<$number_of_bubbles;$ind++) { + my $checked=''; + if ($lastopt eq $opt[$ind]) { + $checked=' checked="on" '; + } + $result.=''; + } + $result.='
'; + if ($alphabet[$ind]) { + $result.=$alphabet[$ind].': '; + } + $result.=$opt[$ind].'
'; + return $result; +} + + +sub bubbles { + my ($ralphabet,$ropt,$response,$max_width,$numrows,$bubbles_per_row, + $internal_counter) = @_; + my @alphabet = @$ralphabet; + my @opt = @$ropt; + my ($result,$head,$line) =('','',''); + my $number_of_bubbles = $#opt + 1; + my $current_length = 0; + my $textwidth; + if (defined($max_width)) { + $textwidth=$max_width; + &Apache::lonxml::debug("Max width passed in: $max_width"); + } elsif ($env{'form.textwidth'} ne '') { + $env{'form.textwidth'}=~/(\d+)/; + $textwidth=$1; + &Apache::lonxml::debug("Max width from form: $textwidth"); + } else { + $env{'form.textwidth'}=~/(\d*)\.?(\d*)/; + $textwidth=$1.'.'.$2; + &Apache::lonxml::debug("Max width defaults? $textwidth"); + } + &Apache::lonxml::debug("Final maxwidth: $textwidth"); + for (my $ind=0;$ind<=$number_of_bubbles;$ind++) { + my $item; + if ($numrows > 1) { + my $num = $internal_counter+int($ind/$bubbles_per_row); + my $idx = int($ind % $bubbles_per_row); + $item = $num.$alphabet[$idx]; + } else { + $item = $alphabet[$ind]; + } + my $leftmargin; + $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]); + if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];} + if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;} + + $current_length += (length($opt[$ind])+length($item)+5)*2; + + if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) { + + $line.='\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & '; + $head.='lr'; + } else { + $line=~s/\&\s*$//; + $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm'; + $line = '\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & '; + $head ='lr'; + $current_length = (length($opt[$ind])+length($item))*2; + } + + } + return $result; } sub start_conceptgroup { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + $Apache::optionresponse::conceptgroup=1; + %Apache::response::conceptgroup=(); + my $result; + if ($target eq 'edit') { + $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils"); + $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50'). + &Apache::edit::end_row().&Apache::edit::start_spanning_row(); + } + if ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept'); + if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } + } + return $result; } sub end_conceptgroup { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + $Apache::optionresponse::conceptgroup=0; + my $result=''; + if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || + $target eq 'tex' || $target eq 'analyze') { + #if not there aren't any foils to display and thus no question + &Apache::response::pick_foil_for_concept($target, + ['value','text','location'], + \%Apache::hint::option, + $parstack,$safeeval); + } elsif ($target eq 'edit') { + $result=&Apache::edit::end_table(); + } + return $result; +} + +sub insert_conceptgroup { + my $result="\n\t\t".&insert_foil()."\n\t\t\n"; + return $result; } sub start_foil { - my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; - if ($target eq 'web') { - $Apache::lonxml::redirection--; - } - return ''; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result=''; + if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) { + &Apache::lonxml::startredirection; + if ($target eq 'analyze') { + &Apache::response::check_if_computed($token,$parstack,$safeeval,'value'); + } + } elsif ($target eq 'edit') { + $result=&Apache::edit::tag_start($target,$token,"Foil"); + my $level='-2'; + if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; } + my @opt; + eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level); + $result.=&Apache::edit::text_arg('Name:','name',$token); + $result.= &Apache::edit::select_or_text_arg('Correct Option:','value', + ['unused',(@opt)],$token,'15'); + my $randomize=&Apache::lonxml::get_param('randomize',$parstack, + $safeeval,'-3'); + if ($randomize ne 'no') { + $result.=&Apache::edit::select_arg('Location:','location', + ['random','top','bottom'],$token); + } + $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); + } elsif ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval, + 'value','name','location'); + if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } + } + return $result; } sub end_foil { - my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; - if ($target eq 'web' || $target eq 'grade') { - my $args =''; - if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } - my $value = &Apache::run::run("{$args;".'return $value}',$safeeval); + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $text =''; + my $result = ''; + if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { + $text=&Apache::lonxml::endredirection; + if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;} + if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;} + } + if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' + || $target eq 'tex' || $target eq 'analyze') { + my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval); + if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') { + $text='\vskip 5mm $\triangleright$ '.$text; + } if ($value ne 'unused') { - my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); - push @{ $Apache::response::foilgroup{'names'} }, $name; - $Apache::response::foilgroup{"$name.value"} = $value; - $Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack; + my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); + &Apache::lonxml::debug("Got a name of :$name:"); + if ($name eq "") { + &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.')); + $name=$Apache::lonxml::curdepth; + } + &Apache::lonxml::debug("Using a name of :$name:"); + if (defined($Apache::response::foilnames{$name})) { + &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",''.$name.'')); + } + $Apache::response::foilnames{$name}++; + my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval); + if ( $Apache::optionresponse::conceptgroup + && !&Apache::response::showallfoils() ) { + push @{ $Apache::response::conceptgroup{'names'} }, $name; + $Apache::response::conceptgroup{"$name.value"} = $value; + $Apache::response::conceptgroup{"$name.text"} = $text; + $Apache::response::conceptgroup{"$name.location"} = $location; + } else { + push @{ $Apache::response::foilgroup{'names'} }, $name; + $Apache::response::foilgroup{"$name.value"} = $value; + $Apache::response::foilgroup{"$name.text"} = $text; + $Apache::response::foilgroup{"$name.location"} = $location; + } } } - if ($target eq 'web' ) { - $Apache::lonxml::redirection++; - if ($Apache::lonxml::redirection == 1) { - $Apache::lonxml::outputstack=''; - } + if ($target eq 'edit') { + $result.= &Apache::edit::tag_end($target,$token,''); } - return ''; + return $result; +} + +sub start_drawoptionlist { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + if ($target !~ /^(?:meta|answer|modified|edit)$/) { + return $token->[4]; + } +} + +sub end_drawoptionlist { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + if ($target !~ /^(?:meta|answer|modified|edit)$/) { + return $token->[2]; + } +} + +sub insert_foil { + return ' + + + +'; +} + +sub insert_drawoptionlist { + return ''; +} + +sub getnumrows { + my ($numitems) = @_; + my $bubbles_per_row; + my $default_numbubbles = 10; + if (($env{'form.bubbles_per_row'} =~ /^\d+$/) && + ($env{'form.bubbles_per_row'} > 0)) { + $bubbles_per_row = $env{'form.bubbles_per_row'}; + } else { + $bubbles_per_row = $default_numbubbles; + } + my $numrows = int ($numitems/$bubbles_per_row); + if (($numitems % $bubbles_per_row) != 0) { + $numrows ++; + } + return ($numrows,$bubbles_per_row); } 1; __END__ +=head1 NAME + +Apache::optionresponse.pm; + +=head1 SYNOPSIS + +Handles tags associated with showing a list of +options. + +This is part of the LearningOnline Network with CAPA project +described at http://www.lon-capa.org. + +=head1 HANDLER SUBROUTINE + +start_optionresponse() + +=head1 OTHER SUBROUTINES + +=over + +=item end_optionresponse() + +=item start_foilgroup() + +=item end_foilgroup() + +=item getfoilcounts() + +=item displayanswers() + +=item check_for_invalid() + +=item displayfoils() + +=item optionlist_correction() + +=item webbubbles() + +=item bubbles() + +=item start_conceptgroup() + +=item end_conceptgroup() + +=item insert_conceptgroup() + +=item start_foil() + +=item end_foil() + +=item start_drawoptionlist() + +=item end_drawoptionlist() + +=item insert_foil() + +=item insert_drawoptionlist() + +=back + +=cut 500 Internal Server Error

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