loncom/homework/radiobuttonresponse.pm - view

File: [LON-CAPA] / loncom / homework / radiobuttonresponse.pm
Revision 1.150: download - view: text, annotated - select for diffs
Fri Aug 26 22:40:17 2011 UTC (13 years, 8 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD

- Bug 6489.
  - radiobuttonresponse containing foil with location="bottom" and value="false"
    can now include "true" foil in next to bottom position.
  - legacy behavior (that position inaccessible to "true" foil) retained for
    questiontype of "exam", in case bubblesheet exam is printed on a server running
    pre-rev 1.150 version of radiobuttonresponse, and graded on a server
    running rev 1.150 or later.

# The LearningOnline Network with CAPA # mutliple choice style responses # # $Id: radiobuttonresponse.pm,v 1.150 2011/08/26 22:40:17 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::radiobuttonresponse; use strict; use HTML::Entities(); use Apache::lonlocal; use Apache::lonnet; use Apache::response; my $default_bubbles_per_line = 10; BEGIN { &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse')); } sub bubble_line_count { my ($numfoils, $bubbles_per_line) = @_; my $bubble_lines; $bubble_lines = int($numfoils / $bubbles_per_line); if (($numfoils % $bubbles_per_line) != 0) { $bubble_lines++; } return $bubble_lines; } sub start_radiobuttonresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; #when in a radiobutton response use these &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup')); push (@Apache::lonxml::namespace,'radiobuttonresponse'); my $id = &Apache::response::start_response($parstack,$safeeval); %Apache::hint::radiobutton=(); undef(%Apache::response::foilnames); if ($target eq 'meta') { $result=&Apache::response::meta_package_write('radiobuttonresponse'); } elsif ($target eq 'edit' ) { $result.=&Apache::edit::start_table($token) .'<tr><td>'.&Apache::lonxml::description($token) .&Apache::loncommon::help_open_topic('Radio_Response_Problems') .'</td>' .'<td><span class="LC_nobreak">'.&mt('Delete?').' ' .&Apache::edit::deletelist($target,$token) .'</span></td>' .'<td> '.&Apache::edit::end_row() .&Apache::edit::start_spanning_row(); $result.= &Apache::edit::text_arg('Max Number Of Shown Foils:','max', $token,'4').' 'x 3 . &Apache::edit::select_arg('Randomize Foil Order:','randomize', ['yes','no'],$token).' 'x 3 . &Apache::edit::select_arg('Display Direction:','direction', ['vertical','horizontal'],$token). &Apache::edit::end_row(). &Apache::edit::start_spanning_row()."\n"; } elsif ($target eq 'modified') { my $constructtag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'max', 'randomize','direction'); if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } } elsif ($target eq 'tex') { my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval, undef,0); if ($type eq '1') { $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}'; } elsif ($type eq 'A') { $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}'; } elsif ($type eq 'a') { $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}'; } elsif ($type eq 'i') { $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}'; } else { $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}'; } if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { $result .= '\begin{itemize}'; } else { $result .= '\begin{enumerate}'; } } elsif ($target eq 'analyze') { my $part_id="$Apache::inputtags::part.$id"; $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse'; push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); } return $result; } sub end_radiobuttonresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($target eq 'edit') { $result=&Apache::edit::end_table(); } if ($target eq 'tex' ) { if($env{'form.pdfFormFields'} eq 'yes' and $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { $result .= '\end{itemize}'; } else { $result .= '\end{enumerate}'; } } &Apache::response::end_response; pop @Apache::lonxml::namespace; &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup')); undef(%Apache::response::foilnames); return $result; } %Apache::response::foilgroup=(); sub start_foilgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; %Apache::response::foilgroup=(); $Apache::radiobuttonresponse::conceptgroup=0; &Apache::response::pushrandomnumber(undef,$target); if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') { $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]'; } return $result; } sub storesurvey { my ($style) = @_; if ( !&Apache::response::submitted() ) { return ''; } my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']}; &Apache::lonxml::debug("Here I am!:$response:"); if ( $response !~ /[0-9]+/) { return ''; } my $part = $Apache::inputtags::part; my $id = $Apache::inputtags::response['-1']; my @whichfoils=@{ $Apache::response::foilgroup{'names'} }; my %responsehash; $responsehash{$whichfoils[$response]}=$response; my $responsestr=&Apache::lonnet::hash2str(%responsehash); $Apache::lonhomework::results{"resource.$part.$id.submission"}= $responsestr; my %previous=&Apache::response::check_for_previous($responsestr,$part,$id); my $ad; if ($style eq 'anonsurvey') { $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS'; } elsif ($style eq 'anonsurveycred') { $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT'; } elsif ($style 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); &Apache::lonxml::debug("submitted a $response<br />\n"); return ''; } sub grade_response { my ($answer, $whichfoils, $bubbles_per_line)=@_; if ( !&Apache::response::submitted() ) { return; } my $response; if ($env{'form.submitted'} eq 'scantron') { $response = &Apache::response::getresponse(1,undef, &bubble_line_count(scalar(@{ $whichfoils}), $bubbles_per_line), $bubbles_per_line); } else { $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']}; } if ( $response !~ /[0-9]+/) { return; } my $part=$Apache::inputtags::part; my $id = $Apache::inputtags::response['-1']; my %responsehash; $responsehash{$whichfoils->[$response]}=$response; my $responsestr=&Apache::lonnet::hash2str(%responsehash); my %previous=&Apache::response::check_for_previous($responsestr, $part,$id); $Apache::lonhomework::results{"resource.$part.$id.submission"}= $responsestr; &Apache::lonxml::debug("submitted a $response<br />\n"); my $ad; if ($response == $answer) { $ad='EXACT_ANS'; } else { $ad='INCORRECT'; } $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; &Apache::response::handle_previous(\%previous,$ad); } sub end_foilgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; my $bubble_lines; my $bubbles_per_line; my $answer_count; my $id = $Apache::inputtags::response['-1']; my $part = $Apache::inputtags::part; $bubbles_per_line = &Apache::response::get_response_param($Apache::inputtags::part."_$id", 'numbubbles', $default_bubbles_per_line); if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') { my $style = $Apache::lonhomework::type; my $direction = &Apache::lonxml::get_param('direction',$parstack, $safeeval,'-2'); if ( (($style eq 'survey') || ($style eq 'surveycred') || ($style eq 'anonsurvey') || ($style eq 'anonsurveycred')) && ($target ne 'analyze')) { if ($target eq 'web' || $target eq 'tex') { $result=&displayallfoils($direction, $target); } elsif ( $target eq 'answer' ) { $result=&displayallanswers(); } elsif ( $target eq 'grade' ) { $result=&storesurvey($style); } $answer_count = scalar(@{$Apache::response::foilgroup{'names'}}); } else { my $name; my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval, '-2'); my $randomize = &Apache::lonxml::get_param('randomize',$parstack, $safeeval,'-2'); my ($answer, @shown) = &whichfoils($max, $randomize); $answer_count = scalar(@shown); if ($target eq 'web' || $target eq 'tex') { $result=&displayfoils($target, $answer, \@shown, $direction, $bubbles_per_line); } elsif ($target eq 'answer' ) { $result=&displayanswers($answer, \@shown, $bubbles_per_line); } elsif ( $target eq 'grade') { &grade_response($answer, \@shown, $bubbles_per_line); } elsif ( $target eq 'analyze') { my $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line); &Apache::response::analyze_store_foilgroup(\@shown, ['text','value','location']); my $part_id="$part.$id"; push (@{ $Apache::lonhomework::analyze{"$part_id.options"} }, ('true','false')); } } $Apache::lonxml::post_evaluate=0; } if ($target eq 'web') { &Apache::response::setup_prior_tries_hash(\&format_prior_answer, [\%Apache::response::foilgroup]); } &Apache::response::poprandomnumber(); $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line); &Apache::lonxml::increment_counter($bubble_lines, "$part.$id"); if ($target eq 'analyze') { &Apache::lonhomework::set_bubble_lines(); } return $result; } sub getfoilcounts { my @names; my $truecnt=0; my $falsecnt=0; my $name; if ( $Apache::response::foilgroup{'names'} ) { @names= @{ $Apache::response::foilgroup{'names'} }; } foreach $name (@names) { if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { $truecnt++; } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { $falsecnt++; } } return ($truecnt,$falsecnt); } sub format_prior_answer { my ($mode,$answer,$other_data) = @_; my $foil_data = $other_data->[0]; my %response = &Apache::lonnet::str2hash($answer); my ($name) = keys(%response); return '<span class="LC_prior_radiobutton">'. $foil_data->{$name.'.text'}.'</span>'; } sub displayallfoils { my ($direction, $target)=@_; my $result; &Apache::lonxml::debug("survey style display"); my @names; if ( $Apache::response::foilgroup{'names'} ) { @names= @{ $Apache::response::foilgroup{'names'} }; } my $temp=0; my $i =0; my $id=$Apache::inputtags::response['-1']; my $part=$Apache::inputtags::part; my ($lastresponse,$newvariation,$showanswer); if ((($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; } } $showanswer = &Apache::response::show_answer(); unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'})) || ($newvariation && !$showanswer)) { $lastresponse = $Apache::lonhomework::history{"resource.$part.$id.submission"}; } if ($direction eq 'horizontal') { $result.='<table><tr>'; } my %lastresponse=&Apache::lonnet::str2hash($lastresponse); if ($showanswer) { foreach my $name (@names) { if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="<td>"; } else { if ($target eq 'tex') { $result .= '\item \vskip -2mm '; } else { $result.="<br />"; } } if (defined($lastresponse{$name})) { if ($target eq 'tex') { $result .= '}'; } else { $result.='<b>'; } } $result .= $Apache::response::foilgroup{$name.'.text'}; if (defined($lastresponse{$name}) && ($target ne 'tex')) { $result.='</b>'; } if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; } } } } else { foreach my $name (@names) { if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { if ($direction eq 'horizontal') { $result.="<td>"; } else { if ($target eq 'tex') { if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { my $fieldname = $env{'request.symb'}.'&part_'. $Apache::inputtags::part .'&radiobuttonresponse'.'&HWVAL_'.$Apache::inputtags::response['-1']; $result .= '\item[{'.&Apache::lonxml::print_pdf_radiobutton($fieldname,$temp).'}]' .$Apache::response::foilgroup{$name.'.text'}."\n"; } else { $result .= '\item \vskip -2mm '; } } else { $result.="<br />"; } } if ($target eq 'tex') { if($env{'form.pdfFormFields'} ne 'yes' or $Apache::inputtags::status[-1] ne 'CAN_ANSWER') { $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs } $i++; } else { $result .= '<label>'; $result.="<input onchange=\"javascript:setSubmittedPart('$part');\" type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\""; if (defined($lastresponse{$name})) { $result .= ' checked="checked"'; } $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}. '</label>'; } $temp++; if ($target ne 'tex') { if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; } } else { $result.='\vskip 0 mm '; } } } } if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; } return $result; } sub whichfoils { my ($max,$randomize)=@_; my @truelist; my @falselist; my @whichfalse =(); my ($truecnt,$falsecnt) = &getfoilcounts(); my $count=0; # we will add in 1 of the true statements if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; } my $answer=int(&Math::Random::random_uniform() * ($count)); &Apache::lonxml::debug("Count is $count, $answer is $answer"); my @names; if ( $Apache::response::foilgroup{'names'} ) { @names= @{ $Apache::response::foilgroup{'names'} }; } if (&Apache::response::showallfoils()) { @whichfalse=@names; } elsif ($randomize eq 'no') { &Apache::lonxml::debug("No randomization"); my $havetrue=0; foreach my $name (@names) { if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { if (!$havetrue ) { push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse; } } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { push (@whichfalse,$name); } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { } else { &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"')); } } if ((!$havetrue) && ($Apache::lonhomework::type ne 'survey') && ($Apache::lonhomework::type ne 'surveycred') && ($Apache::lonhomework::type ne 'anonsurvey') && ($Apache::lonhomework::type ne 'anonsurveycred')) { &Apache::lonxml::error(&mt('There are no true statements available.').'<br />'); } } else { my $current=0; &Apache::lonhomework::showhash(%Apache::response::foilgroup); my (%top,%bottom); #first find out where everyone wants to be foreach my $name (@names) { $current++; if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { push (@truelist,$name); if ($Apache::response::foilgroup{$name.'.location'} eq 'top') { $top{$name}=$current; } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') { $bottom{$name}=$current; } } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { push (@falselist,$name); if ($Apache::response::foilgroup{$name.'.location'} eq 'top') { $top{$name}=$current; } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') { $bottom{$name}=$current; } } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { } else { &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"')); } } #pick a true statement my $notrue=0; if (scalar(@truelist) == 0) { $notrue=1; } my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1)); &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue"); my (@toplist, @bottomlist); my $topcount=0; my $bottomcount=0; # assign everyone to either toplist/bottomlist or whichfalse # which false is randomized, toplist bottomlist are in order while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) { &Apache::lonxml::debug("Have $#whichfalse max is $max"); my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1)); &Apache::lonxml::debug("From $#falselist elms, picking $afalse"); $afalse=splice(@falselist,$afalse,1); &Apache::lonxml::debug("Picked $afalse"); &Apache::lonhomework::showhash(('names'=>\@names)); &Apache::lonhomework::showhash(%top); if ($top{$afalse}) { $toplist[$top{$afalse}]=$afalse; $topcount++; } elsif ($bottom{$afalse}) { $bottomlist[$bottom{$afalse}]=$afalse; $bottomcount++; } else { push (@whichfalse,$afalse); } } &Apache::lonxml::debug("Answer wants $answer"); my $truename=$truelist[$whichtrue]; my $dosplice=1; if (($notrue) && ($Apache::lonhomework::type ne 'survey') && ($Apache::lonhomework::type ne 'surveycred') && ($Apache::lonhomework::type ne 'anonsurvey') && ($Apache::lonhomework::type ne 'anonsurveycred')) { $dosplice=0; &Apache::lonxml::error(&mt('There are no true statements available.').'<br />'); } #insert the true statement, keeping track of where it wants to be if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) { $toplist[$top{$truename}]=$truename; $answer=-1; foreach my $top (reverse(@toplist)) { if ($top) { $answer++;} if ($top eq $truename) { last; } } $dosplice=0; } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) { $bottomlist[$bottom{$truename}]=$truename; $answer=-1; foreach my $bot (@bottomlist) { if ($bot) { $answer++;} if ($bot eq $truename) { last; } } $answer+=$topcount+$#whichfalse+1; $dosplice=0; } else { if ($topcount>0 || $bottomcount>0) { my $inc = 1; if (($bottomcount > 0) && ($Apache::lonhomework::type ne 'exam')) { $inc = 2; } $answer=int(&Math::Random::random_uniform() * ($#whichfalse+$inc)) + $topcount; } } &Apache::lonxml::debug("Answer now wants $answer"); #add the top items to the top, bottom items to the bottom for (my $i=0;$i<=$#toplist;$i++) { if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) } } for (my $i=0;$i<=$#bottomlist;$i++) { if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) } } #if the true statement is randomized insert it into the list if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); } } &Apache::lonxml::debug("Answer is $answer"); return ($answer,@whichfalse); } sub displayfoils { my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_; my $result; my $part=$Apache::inputtags::part; my $solved=$Apache::lonhomework::history{"resource.$part.solved"}; if ( ($target ne 'tex') && &Apache::response::show_answer() ) { if ($direction eq 'horizontal') { if ($target ne 'tex') { $result.='<table><tr>'; } } foreach my $name (@{ $whichfoils }) { if ($direction eq 'horizontal') { if ($target ne 'tex') { $result.='<td>'; } } if ($target ne 'tex') { $result.="<br />"; } else { $result.='\item \vskip -2 mm '; } if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { if ($target ne 'tex') { $result.=&mt('Correct:').'<b>'; } else { $result.=&mt('Correct:').' \textbf{'; } } else { $result.=&mt('Incorrect:'); } if ($target eq 'web') { $result.="<label>"; } $result.=$Apache::response::foilgroup{$name.'.text'}; if ($target eq 'web') { $result.="</label>"; } if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { if ($target ne 'tex') { $result.='</b>';} else {$result.='}';} } if ($direction eq 'horizontal') { if ($target ne 'tex') { $result.='</td>'; } } } if ($direction eq 'horizontal') { if ($target ne 'tex') { $result.='</tr></table>'; } } } else { my @alphabet = ('A'..'Z'); my $i = 0; my $bubble_number = 0; my $line = 0; my $temp=0; my $id=$Apache::inputtags::response['-1']; my $part=$Apache::inputtags::part; my ($lastresponse,$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) { $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"}; } my %lastresponse=&Apache::lonnet::str2hash($lastresponse); if ($target ne 'tex' && $direction eq 'horizontal') { $result.="<table><tr>"; } foreach my $name (@{ $whichfoils }) { if ($target ne 'tex') { if ($direction eq 'horizontal') { $result.="<td>"; } else { $result.="<br />"; } } if ($target ne 'tex') { $result.= '<label>'; $result.= "<input type=\"radio\" onchange=\"javascript:setSubmittedPart('$part');\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\""; if (defined($lastresponse{$name})) { $result .= ' checked="checked"'; } $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>"; } else { if ($Apache::lonhomework::type eq 'exam') { if($bubble_number >= $bubbles_per_line) { $line++; $i = 0; $bubble_number = 0; $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]'; } $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs $i++; $bubble_number++; } else { if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { my $fieldname = $env{'request.symb'}.'&part_'. $Apache::inputtags::part .'&radiobuttonresponse'.'&HWVAL_'.$Apache::inputtags::response['-1']; $result .= '\item[{'.&Apache::lonxml::print_pdf_radiobutton($fieldname,$temp).'}]' .$Apache::response::foilgroup{$name.'.text'}."\n"; } else { $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'}; } } } if ($target ne 'tex' && $direction eq 'horizontal') { $result.="</td>"; } $temp++; } if ($target ne 'tex' && $direction eq 'horizontal') { $result.="</tr></table>"; } } if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; } return $result; } sub displayallanswers { my @names; if ( $Apache::response::foilgroup{'names'} ) { @names= @{ $Apache::response::foilgroup{'names'} }; } my $result=&Apache::response::answer_header('radiobuttonresponse'); foreach my $name (@names) { $result.=&Apache::response::answer_part('radiobuttonresponse', $Apache::response::foilgroup{$name.'.value'}); } $result.=&Apache::response::answer_footer('radiobuttonresponse'); return $result; } sub displayanswers { my ($answer, $whichopt, $bubbles_per_line)=@_; my $result; if ($Apache::lonhomework::type eq 'exam') { my $line = int($answer/$bubbles_per_line); my $correct = ('A'..'Z')[$answer%$bubbles_per_line]; $result .= &Apache::response::answer_header('radiobuttonresponse', $line); $result .= &Apache::response::answer_part('radiobuttonresponse', $correct); } else { $result .= &Apache::response::answer_header('radiobuttonresponse'); } foreach my $name (@{ $whichopt }) { $result.=&Apache::response::answer_part('radiobuttonresponse', $Apache::response::foilgroup{$name.'.value'}); } $result.=&Apache::response::answer_footer('radiobuttonresponse'); return $result; } sub start_conceptgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; $Apache::radiobuttonresponse::conceptgroup=1; %Apache::response::conceptgroup=(); my $result; if ($target eq 'edit') { $result.=&Apache::edit::tag_start($target,$token); $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50'). &Apache::edit::end_row().&Apache::edit::start_spanning_row(); } elsif ($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::radiobuttonresponse::conceptgroup=0; my $result; if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') { &Apache::response::pick_foil_for_concept($target, ['value','text','location'], \%Apache::hint::radiobutton, $parstack,$safeeval); } elsif ($target eq 'edit') { $result=&Apache::edit::end_table(); } return $result; } sub insert_conceptgroup { my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n"; return $result; } sub start_foil { my ($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); $result.=&Apache::edit::text_arg('Name:','name',$token); $result.=&Apache::edit::select_or_text_arg('Correct Option:','value', ['unused','true','false'], $token); 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,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $text=''; if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { $text=&Apache::lonxml::endredirection; } if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') { my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval); if ($value ne 'unused') { my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); if ($name eq "") { &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.')); $name=$Apache::lonxml::curdepth; } if ($name eq "0") { &Apache::lonxml::error(&mt('Foil name [_1] is not supported. Please choose another name.','<b><tt>'.$name.'</tt></b>')); } if (defined($Apache::response::foilnames{$name})) { &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>')); } $Apache::response::foilnames{$name}++; my $location =&Apache::lonxml::get_param('location',$parstack, $safeeval); if ( $Apache::radiobuttonresponse::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"} = $location; } } } return ''; } sub insert_foil { return ' <foil name="" value="unused"> <startouttext /> <endouttext /> </foil>'; } 1; __END__ =head1 NAME Apache::radiobuttonresponse =head1 SYNOPSIS Handles multiple-choice style responses. This is part of the LearningOnline Network with CAPA project described at http://www.lon-capa.org. =head1 SUBROUTINES =over =item start_radiobuttonresponse() =item bubble_line_count() =item end_radiobuttonresponse() =item start_foilgroup() =item storesurvey() =item grade_response() =item end_foilgroup() =item getfoilcounts() =item format_prior_answer() =item displayallfoils() =item &whichfoils($max,$randomize) Randomizes the list of foils. Respects - each foils desire to be randomized - the existance of Concept groups of foils (select 1 foil from each) - and selects a single correct statement from all possilble true statments - and limits it to a toal of $max foils WARNING: this routine uses the random number generator, it should only be called once per target, otherwise it can cause randomness changes in homework problems. Arguments $max - maximum number of foils to select (including the true one) (so a max of 5 is: 1 true, 4 false) $randomize - whether to randomize the listing of foils, by default will randomize, only if randomize is 'no' will it not Returns $answer - location in the array of the correct answer @foils - array of foil names in to display order =item displayfoils() =item displayallanswers() =item displayanswers() =item start_conceptgroup() =item end_conceptgroup() =item insert_conceptgroup() =item start_foil() =item end_foil() =item insert_foil() =back =cut