--- loncom/homework/radiobuttonresponse.pm 2012/01/25 11:37:32 1.153.6.6 +++ loncom/homework/radiobuttonresponse.pm 2012/01/20 13:26:34 1.154 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # mutliple choice style responses # -# $Id: radiobuttonresponse.pm,v 1.153.6.6 2012/01/25 11:37:32 foxr Exp $ +# $Id: radiobuttonresponse.pm,v 1.154 2012/01/20 13:26:34 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,1418 +25,851 @@ # http://www.lon-capa.org/ # + + package Apache::radiobuttonresponse; use strict; use HTML::Entities(); use Apache::lonlocal; use Apache::lonnet; use Apache::response; -use Apache::caparesponse; my $default_bubbles_per_line = 10; -my @alphabet = ( 'A' .. 'Z' ); # Foil labels. - BEGIN { - &Apache::lonxml::register( 'Apache::radiobuttonresponse', - ('radiobuttonresponse') ); + &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse')); } sub bubble_line_count { - my ( $numfoils, $bubbles_per_line ) = @_; + my ($numfoils, $bubbles_per_line) = @_; my $bubble_lines; - $bubble_lines = int( $numfoils / $bubbles_per_line ); - if ( ( $numfoils % $bubbles_per_line ) != 0 ) { - $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, $style ) = - @_; + my ($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::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup')); + push (@Apache::lonxml::namespace,'radiobuttonresponse'); + my $id = &Apache::response::start_response($parstack,$safeeval); - %Apache::hint::radiobutton = (); + %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) - . '' - . &Apache::lonxml::description($token) - . &Apache::loncommon::help_open_topic('Radio_Response_Problems') - . '' - . '' - . &mt('Delete?') . ' ' - . &Apache::edit::deletelist( $target, $token ) - . '' - . ' ' - . &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 { - $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}'; + if ($target eq 'meta') { + $result=&Apache::response::meta_package_write('radiobuttonresponse'); + } elsif ($target eq 'edit' ) { + $result.=&Apache::edit::start_table($token) + .''.&Apache::lonxml::description($token) + .&Apache::loncommon::help_open_topic('Radio_Response_Problems') + .'' + .''.&mt('Delete?').' ' + .&Apache::edit::deletelist($target,$token) + .'' + .' '.&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.$id"; + } elsif ($target eq 'analyze') { + my $part_id="$Apache::inputtags::part.$id"; $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse'; - push( @{ $Apache::lonhomework::analyze{"parts"} }, $part_id ); + push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); } return $result; } sub end_radiobuttonresponse { - my ( $target, $token, $tagstack, $parstack, $parser, $safeeval, $style ) = - @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; - if ( $target eq 'edit' ) { $result = &Apache::edit::end_table(); } - + if ($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' ) ); + &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup')); undef(%Apache::response::foilnames); return $result; } -%Apache::response::foilgroup = (); - +%Apache::response::foilgroup=(); sub start_foilgroup { - my ( $target, $token, $tagstack, $parstack, $parser, $safeeval, $style ) = - @_; - %Apache::response::foilgroup = (); - $Apache::radiobuttonresponse::conceptgroup = 0; - &Apache::response::pushrandomnumber( undef, $target ); + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + %Apache::response::foilgroup=(); + $Apache::radiobuttonresponse::conceptgroup=0; + &Apache::response::pushrandomnumber(undef,$target); return; } sub storesurvey { my ($style) = @_; if ( !&Apache::response::submitted() ) { return ''; } - my $response = $env{ 'form.HWVAL_' . $Apache::inputtags::response['-1'] }; + 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'} }; + 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 ); + $responsehash{$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.$id.awarddetail"} = - 'SUBMITTED'; + if ($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, $ad ); + &Apache::response::handle_previous(\%previous,$ad); &Apache::lonxml::debug("submitted a $response
\n"); return ''; } + sub grade_response { - my ( $answer, $whichfoils, $bubbles_per_line ) = @_; + my ($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); - 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'] }; + } 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']; + + 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; + $responsehash{$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
\n"); my $ad; - - if ( $response == $answer ) { - $ad = 'EXACT_ANS'; - } - else { - $ad = 'INCORRECT'; + if ($response == $answer) { + $ad='EXACT_ANS'; + } else { + $ad='INCORRECT'; } - $Apache::lonhomework::results{"resource.$part.$id.awarddetail"} = $ad; - &Apache::response::handle_previous( \%previous, $ad ); + $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad; + &Apache::response::handle_previous(\%previous,$ad); } sub end_foilgroup { - my ( $target, $token, $tagstack, $parstack, $parser, $safeeval, $style ) = - @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; my $bubble_lines; my $answer_count; - my $id = $Apache::inputtags::response['-1']; - my $part = $Apache::inputtags::part; - my $bubbles_per_line = &getbubblesnum( $part, $id ); - - 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'} } ); + my $id = $Apache::inputtags::response['-1']; + my $part = $Apache::inputtags::part; + my $bubbles_per_line = &getbubblesnum($part,$id); - } - else { + if ($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'}}); - 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' ) - ); + } else { - } - } - $Apache::lonxml::post_evaluate = 0; + 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 ( $target eq 'web' ) { - &Apache::response::setup_prior_tries_hash( \&format_prior_answer, - [ \%Apache::response::foilgroup ] ); + if ($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(); + $bubble_lines = &bubble_line_count($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 getbubblesnum { - my ( $part, $id ) = @_; + my ($part,$id) = @_; my $bubbles_per_line; my $default_numbubbles = $default_bubbles_per_line; - if ( ( $env{'form.bubbles_per_row'} =~ /^\d+$/ ) - && ( $env{'form.bubbles_per_row'} > 0 ) ) - { + if (($env{'form.bubbles_per_row'} =~ /^\d+$/) && + ($env{'form.bubbles_per_row'} > 0)) { $default_numbubbles = $env{'form.bubbles_per_row'}; } - $bubbles_per_line = &Apache::response::get_response_param( $part . "_$id", - 'numbubbles', $default_numbubbles ); + $bubbles_per_line = + &Apache::response::get_response_param($part."_$id",'numbubbles', + $default_numbubbles); return $bubbles_per_line; } sub getfoilcounts { my @names; - my $truecnt = 0; - my $falsecnt = 0; + my $truecnt=0; + my $falsecnt=0; my $name; if ( $Apache::response::foilgroup{'names'} ) { - @names = @{ $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' ) { - $falsecnt++; - } + if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { + $truecnt++; + } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { + $falsecnt++; + } } - return ( $truecnt, $falsecnt ); + return ($truecnt,$falsecnt); } sub format_prior_answer { - my ( $mode, $answer, $other_data ) = @_; + my ($mode,$answer,$other_data) = @_; my $foil_data = $other_data->[0]; - my %response = &Apache::lonnet::str2hash($answer); - my ($name) = keys(%response); - return - '' - . $foil_data->{ $name . '.text' } - . ''; + my %response = &Apache::lonnet::str2hash($answer); + my ($name) = keys(%response); + return ''. + $foil_data->{$name.'.text'}.''; } -## -sub displayallfoils{ - my ( $direction, $target ) = @_; +sub displayallfoils { + my ($direction, $target)=@_; my $result; &Apache::lonxml::debug("survey style display"); my @names; if ( $Apache::response::foilgroup{'names'} ) { - @names = @{ $Apache::response::foilgroup{'names'} }; - } - - # Figure out how to bracket the list of foils for - # the TeX target: - # - - my $begin_environment; - my $end_environment; - - if ($target eq 'tex') { - - # Decide how to bracket the list of foils: - - - if ( $env{'form.pdfFormFields'} eq 'yes' - && $Apache::inputtags::status[-1] eq 'CAN_ANSWER' ) - { - $begin_environment = '\begin{itemize}'; - $end_environment = '\end{itemize}'; - } - else { - $begin_environment = '\begin{enumerate}'; - $end_environment = '\end{enumerate}'; - } - $result .= $begin_environment; + @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"} ) - { + 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.$id.submission"}; + unless ((($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' ) { $result .= ''; } - my %lastresponse = &Apache::lonnet::str2hash($lastresponse); + if ($direction eq 'horizontal') { $result.='
'; } + my %lastresponse=&Apache::lonnet::str2hash($lastresponse); if ($showanswer) { - foreach my $name (@names) { - if ( $Apache::response::foilgroup{ $name . '.value' } ne 'unused' ) - { - if ( ( $direction eq 'horizontal' ) && ( $target ne 'tex' ) ) { - $result .= ""; - } - } - } - } - else { - foreach my $name (@names) { - if ( $Apache::response::foilgroup{ $name . '.value' } ne 'unused' ) - { - if ( $direction eq 'horizontal' ) { - $result .= ""; } + } + } + } else { + foreach my $name (@names) { + if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { + if ($direction eq 'horizontal') { + $result.=""; - } - } - else { - $result .= '\vskip 0 mm '; - } - } - } - } - - if ( ( $direction eq 'horizontal' ) && ( $target ne 'tex' ) ) { - $result .= '
"; - } - else { - if ( $target eq 'tex' ) { - $result .= '\item \vskip -2mm '; - } - else { - $result .= "
"; - } - } - if ( defined( $lastresponse{$name} ) ) { - if ( $target eq 'tex' ) { - $result .= '}'; - } - else { - $result .= ''; - } - } - $result .= $Apache::response::foilgroup{ $name . '.text' }; - if ( defined( $lastresponse{$name} ) && ( $target ne 'tex' ) ) { - $result .= ''; - } - if ( ( $direction eq 'horizontal' ) && ( $target ne 'tex' ) ) { - $result .= "		"; - } - 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 { + foreach my $name (@names) { + if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { + if (($direction eq 'horizontal') && ($target ne 'tex')) { + $result.=""; + } else { + if ($target eq 'tex') { + $result .= '\item \vskip -2mm '; + } else { + $result.="
"; + } + } + if (defined($lastresponse{$name})) { + if ($target eq 'tex') { + $result .= '}'; + } else { + $result.=''; + } + } + $result .= $Apache::response::foilgroup{$name.'.text'}; + if (defined($lastresponse{$name}) && ($target ne 'tex')) { + $result.=''; + } + if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="		"; + } else { + if ($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 { + $result.="
"; + } + } + if ($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 } - else { - $result .= "
"; - } - } - 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 { - $result .= '
'; - } - - # Close tex bracketing: - - if ($target eq 'tex') { - $result .= $end_environment; + if (defined($lastresponse{$name})) { $result .= ' checked="checked"'; } + $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}. + ''; + } + $temp++; + if ($target ne 'tex') { + if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.=""; } + } else { + $result.='\vskip 0 mm '; + } + } + } } + + if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.=''; } return $result; } - sub whichfoils { - my ( $max, $randomize ) = @_; + my ($max,$randomize)=@_; my @truelist; my @falselist; - my @whichfalse = (); - my ( $truecnt, $falsecnt ) = &getfoilcounts(); - my $count = 0; - + my @whichfalse =(); + my ($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) ); + 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; + @names= @{ $Apache::response::foilgroup{'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 $name in ", - '<>&"' - ) - ); - } - } - if ( ( !$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.') . '
' ); - } - } - 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 ", - '<>&"' - ) - ); - } - } - - #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.') . '
' ); - } - - #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 || $bottomcount > 0 ) { + if (&Apache::response::showallfoils()) { + @whichfalse=@names; + } elsif ($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 $name in ",'<>&"')); + } + } + if ((!$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.').'
'); + } + } 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 ",'<>&"')); + } + } + #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')) { + $dosplice=0; + &Apache::lonxml::error(&mt('There are no true statements available.').'
'); + } + #insert the true statement, keeping track of where it wants to be + if ($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 ) - && ( $Apache::lonhomework::type ne 'exam' ) ) - { + if (($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 ); -} - -## -# Return a list of foil texts given foil names. -# -# @param $whichfoils - Reference to a list of foil names. -# -# @return array -# @retval foil texts -# -sub get_foil_texts { - my ($whichfoils) = @_; - my @foil_texts; - - foreach my $name (@{$whichfoils}) { - push(@foil_texts, $Apache::response::foilgroup{$name . '.text'}); - } - return @foil_texts; -} - -## -# Generate the HTML for a single html foil. -# @param $part - The part for which the response is being generated. -# @param $fieldname - The basename of the radiobutton field -# @param $name - The foilname. -# @param $last_responses - Reference to a hash that holds the most recent -# responses. -# @param $value - radiobutton value. -# -# @return text -# @retval The generated html. -# -sub html_radiobutton { - my ($part, $fieldname, $name, $last_responses, $value) = @_; - - my $result=''; - - return $result; - -} -## -# Return a reference to the last response hash. This hash has exactly -# one or zero entries. The one entry is keyed by the foil 'name' of -# the prior response -# -# @param $part - Number of the problem part. -# -# @return reference to a hash. -# @retval see above. -# -sub get_last_response { - my ($part) = @_; - - my $id = $Apache::inputtags::response['-1']; - 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; + $answer=int(&Math::Random::random_uniform() * ($#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]); } } - unless ($newvariation) { - $lastresponse = - $Apache::lonhomework::history{"resource.$part.$id.submission"}; - } - my %lastresponse = &Apache::lonnet::str2hash($lastresponse); - - return \%lastresponse; + &Apache::lonxml::debug("Answer is $answer"); + return ($answer,@whichfalse); } -## -# Display foils in html rendition.: -# -# @param $whichfoils - Set of foils to display. -# @param $target - Rendition target...there are several html targets. -# @param $direction - 'horizontal' if layout is horizontal. -# @param $part - Part of the problem that's being displayed. -# @param $solved - Solution state of the problem. -# @param $show_answer- True if answers should be shown. -# -# @return string -# @retval generated html. -# -sub display_foils_html { - my ($whichfoils, $target, $direction, $part, $solved, $show_answer) = @_; +sub displayfoils { + my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_; my $result; - # if the answers get shown, we need to label each item as correct or - # incorrect. - - if ($show_answer) { - my $item_pretext = '
'; # html prior to each item - my $item_posttext = ''; # html after each item. - my $finalclose = ''; # html to close off the whole shebang - - - # Horizontal layout is a table with each foil in a cell - + 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') { - $result = ''; - $item_pretext = ''; - $finalclose = '
' . $item_pretext; - $item_posttext = '
'; - } - - foreach my $name (@{$whichfoils}) { - - # If the item gets further surrounded by tags, this - # holds the closures for those tages. - - my $item_closetag = ''; - - $result .= $item_pretext; - - # Label each foil as correct or incorrect: - - if ($Apache::response::foilgroup{$name . '.value'} eq 'true') { - $result .= &mt('Correct:') . ''; - $item_closetag .= ''; - + if ($target ne 'tex') { + $result.=''; + } + } + foreach my $name (@{ $whichfoils }) { + if ($direction eq 'horizontal') { + if ($target ne 'tex') { $result.=''; } } - $result .= $Apache::response::foilgroup{$name . '.text'}; - $result .= $item_closetag; - $result .= $item_posttext; - $result .= "\n"; # make the html a bit more readable. - } - - $result .= $finalclose; - - } else { - $result .= '
'; # end line prior to foilgroup: - - # Not showing the answers, we need to generate the HTML appropriate - # to allowing the student to respond. - - my $item_pretext; - my $item_posttext; - my $lastresponse = &get_last_response($part); - - if ( $direction eq 'horizontal' ) { - $item_pretext = ''; - } - else { - $item_pretext = '
'; - } - my $item_no = 0; - foreach my $name (@{$whichfoils}) { - $result .= $item_pretext; - $result .= &html_radiobutton( - $part, $Apache::inputtags::response[-1], - $name, $lastresponse, $item_no - ); - $result .= $item_posttext; - $item_no++; - } - - if ($direction eq 'horizontal' ) { - $result .= "
'; } + } + if ($target ne 'tex') { + $result.="
"; } else { - $result .= &mt('Incorrect'); + $result.='\item \vskip -2 mm '; } - - # Web rendition encloses the - # item text in a label tag as well: - - if ($target eq 'web') { - $result .= '' . $item_closetag; + if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { + if ($target ne 'tex') { + $result.=&mt('Correct:').''; + } else { + $result.=&mt('Correct:').' \textbf{'; + } + } else { + $result.=&mt('Incorrect:'); + } + if ($target eq 'web') { $result.=""; } + if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { + if ($target ne 'tex') { $result.='';} else {$result.='}';} + } + if ($direction eq 'horizontal') { + if ($target ne 'tex') { $result.='		'; - $item_posttext = '
"; - } else { - $result .= "
"; - } - } - - return $result; -} -## -# Display foils in exam mode for latex -# -# @param $whichfoils - Reference to an array that contains the foil names to display -# @param $bubbles_per_line - Number of bubbles on a line. -# @param $direction - Rendering direction 'horizontal' is what we're looking for. -# @param $vbegin - Start latex fragment in vertical rendering. -# @param $vend - End latex fragmentin vertical rendering. -# -# @return string -# @return the latex rendering of the exam problem. -# -# -sub display_latex_exam { - my ($whichfoils, $bubbles_per_line, $direction, $vbegin, $vend) = @_; - my $result; - my $numlines; - my $bubble_number = 0; - my $line = 0; - my $i = 0; - - - if ($direction eq 'horizontal') { - - # Marshall the display text for each foil and turn things over to - # Apache::response::make_horizontal_bubbles: - - my @foil_texts = &get_foil_texts($whichfoils); - $result .= &Apache::caparesponse::make_horizontal_latex_bubbles( - $whichfoils, \@foil_texts, '$\bigcirc$'); - - - } else { - $result .= $vbegin; - - # This section puts out the prefix that tells the user - # (if necessary) to only choose one bubble in the next n lines - # for problems with more than one line worth of bubbles in the grid sheet: - - my $numitems = scalar( @{$whichfoils} ); - $numlines = int( $numitems / $bubbles_per_line ); - if ( ( $numitems % $bubbles_per_line ) != 0 ) { - $numlines++; - } - if ( $numlines < 1 ) { - $numlines = 1; - } - if ( $numlines > 1 ) { - my $linetext; - for ( my $i = 0 ; $i < $numlines ; $i++ ) { - $linetext .= $Apache::lonxml::counter + $i . ', '; - } - $linetext =~ s/,\s$//; - $result .= - '\item[\small {\textbf{' - . $linetext . '}}]' - . ' {\footnotesize ' - . &mt( '(Bubble once in [_1] lines)', $numlines ) - . '} \hspace*{\fill} \\\\'; - } - else { - $result .= '\item[\textbf{' . $Apache::lonxml::counter . '}.]'; - } - - # Now output the bubbles themselves: - - foreach my $name (@{$whichfoils}) { - if ( $bubble_number >= $bubbles_per_line ) { - $line++; - $i = 0; - $bubble_number = 0; - } - my $identifier; - if ( $numlines > 1 ) { - $identifier = $Apache::lonxml::counter + $line; - } - $result .= - '{\small \textbf{' - . $identifier - . $alphabet[$i] - . '}}$\bigcirc$' - . $Apache::response::foilgroup{ $name . '.text' } - . '\\\\'; #' stupid emacs -- it thinks it needs that apostrophe to close the quote - - $i++; - $bubble_number++; } - $result .= $vend - - } - - return $result; - -} - -## -# Display latex when exam mode is not on. -# -# @param $whichfoils - The foils to display -# @param $direction - Display direction ('horizontal' is what matters to us). -# @param $vbegin - Begin the vertical environment being used. -# @param $vend - End the vertical environment being used. -# -# @return string -# @retval - The LaTeX rendering of the resource.' -# -sub display_latex { - my ($whichfoils, $direction, $vbegin, $vend) = @_; - my $result; - - # how we render depends on the direction. - # Vertical is some kind of list environment determined by vbegin/vend. - # Horizontal is a table that is generated by - # Apache::caparesponse::make_horizontal_latex_bubbles with an empty string - # for the actual bubble text. - - if ($direction eq 'horizontal') { - my @foil_texts = &get_foil_texts($whichfoils); - $result .= &Apache::caparesponse::make_horizontal_latex_bubbles( - $whichfoils, \@foil_texts, ''); - } else { - $result .= $vbegin; - foreach my $name (@{$whichfoils}) { - $result .= '\vspace*{-2 mm}\item ' - . $Apache::response::foilgroup{ $name . '.text' }; + if ($direction eq 'horizontal') { + if ($target ne 'tex') { + $result.=''; + } } - - $result .= $vend; - } - return $result; -} - - -## -# Render foils for a PDF form. This is a variant of tex rednering that provides -# sufficient markup that the final PDF is a form that can be filled in online, -# or offline. -# -# @param $whichfoils - References an array of foils to display in the order in which -# they should be displayed. -# @param $direction - Rendering direction. 'horiztonal' means inputs are laid out -# horizontally otherwise they are stacked vertically. -# -# @return string -# @retval String containing the rendering of the resource. -# -sub display_pdf_form { - my ($whichfoils) = @_; - my $temp = 0; - my $result; - - foreach my $name ( @{$whichfoils} ) { - - 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"; - - $temp++; - } - - return $result; -} - - -## -# Display selected foils: This is really just a dispatchter to appropriate renderers -# -# @param $target - Target (e.g. 'tex'...). -# @param $answer - True if answers should be shown. -# @param $whichfoils - Array of foil selectors that indicate which foils shouild be -# rendered, in rendering order. -# @param $direction- Rendering direction ('horizontal' is the one we look for, -# otherwise foils are rendered one per line vertically. -# @param $bubbles_per_line - number of exam bubbles per line. -# -# @return string -# @retval The rendered problem. - -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"}; - - # Show answers html. - - if ( ( $target ne 'tex' ) - && &Apache::response::show_answer() ) - { - - $result = &display_foils_html( - $whichfoils, $target, $direction, $part, $solved, 1); - - # other html - } elsif ($target ne 'tex') { - $result = &display_foils_html($whichfoils, $target, $direction, $part, - 0, 0); - - # LaTeX rendering: } else { - - 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 $numlines; - - # Decide how to bracket the list of foils: - - my $begin_environment; - my $end_environment; - - if ( $env{'form.pdfFormFields'} eq 'yes' - && $Apache::inputtags::status[-1] eq 'CAN_ANSWER' ) - { - $begin_environment = '\begin{itemize}'; - $end_environment = '\end{itemize}'; - } - else { - $begin_environment = '\begin{enumerate}'; - $end_environment = '\end{enumerate}'; - } - - # Rendering for latex exams. - - if ( ( $Apache::lonhomework::type eq 'exam' ) ) - { - $result .= &display_latex_exam( - $whichfoils, $bubbles_per_line, $direction, $begin_environment, - $end_environment); - - $result .= '\vskip 0mm '; - - } else { - - # Different rendering for PDF form than for a - # 'regular' answer direction is honored in both of those - # - - if ( ($env{'form.pdfFormFields'} eq 'yes') - && ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) - { - $result .= $begin_environment; - $result .= &display_pdf_form($whichfoils, $direction); - $result .= $end_environment; + 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.=""; + } + my $numlines; + if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) { + my $numitems = scalar(@{ $whichfoils }); + $numlines = int($numitems/$bubbles_per_line); + if (($numitems % $bubbles_per_line) != 0) { + $numlines ++; + } + if ($numlines < 1) { + $numlines = 1; + } + if ($numlines > 1) { + my $linetext; + for (my $i=0; $i<$numlines; $i++) { + $linetext .= $Apache::lonxml::counter+$i.', '; + } + $linetext =~ s/,\s$//; + $result .= '\item[\small {\textbf{'.$linetext.'}}]'. + ' {\footnotesize '. + &mt('(Bubble once in [_1] lines)',$numlines). + '} \hspace*{\fill} \\\\'; + } else { + $result .= '\item[\textbf{'.$Apache::lonxml::counter.'}.]'; + } + } + foreach my $name (@{ $whichfoils }) { + if ($target ne 'tex') { + if ($direction eq 'horizontal') { + $result.=""; } - $result .= '\vskip 0 mm '; - + $temp++; + } + if ($target ne 'tex' && $direction eq 'horizontal') { + $result.="
"; + } else { + $result.="
"; + } + } + if ($target ne 'tex') { + $result.= '
"; } - - } + if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="
";} } else { $result.='\vskip 0 mm '; } return $result; } sub displayallanswers { my @names; if ( $Apache::response::foilgroup{'names'} ) { - @names = @{ $Apache::response::foilgroup{'names'} }; + @names= @{ $Apache::response::foilgroup{'names'} }; } - my $result = &Apache::response::answer_header('radiobuttonresponse'); + 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_part('radiobuttonresponse', + $Apache::response::foilgroup{$name.'.value'}); } - $result .= &Apache::response::answer_footer('radiobuttonresponse'); + $result.=&Apache::response::answer_footer('radiobuttonresponse'); return $result; } sub displayanswers { - my ( $answer, $whichopt, $bubbles_per_line ) = @_; + my ($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{ $name . '.value' } ); + if ($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'); } - $result .= &Apache::response::answer_footer('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); } + 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 ) = - @_; - $Apache::radiobuttonresponse::conceptgroup = 0; + my ($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' ) { - $result = &Apache::edit::end_table(); + if ($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" - . &insert_foil() - . "\n\t\t\n"; + my $result="\n\t\t".&insert_foil()."\n\t\t\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); } - } + 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 ( 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::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"} = $location; - } - } + my ($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 (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::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 ''; }