--- loncom/homework/radiobuttonresponse.pm 2003/10/24 17:58:55 1.75 +++ loncom/homework/radiobuttonresponse.pm 2007/08/29 13:40:18 1.127 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # mutliple choice style responses # -# $Id: radiobuttonresponse.pm,v 1.75 2003/10/24 17:58:55 sakharuk Exp $ +# $Id: radiobuttonresponse.pm,v 1.127 2007/08/29 13:40:18 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,517 +25,765 @@ # # http://www.lon-capa.org/ # -# 2/21 Guy package Apache::radiobuttonresponse; use strict; use HTML::Entities(); +use Apache::lonlocal; +use Apache::lonnet; +use Apache::response; + +my $default_bubbles_per_line = 10; + BEGIN { - &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse')); + &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse')); } +sub bubble_line_count { + my ($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,$safeeval); - %Apache::hint::radiobutton=(); - if ($target eq 'meta') { - $result=&Apache::response::meta_package_write('radiobuttonresponse'); - } elsif ($target eq 'edit' ) { - $result.=&Apache::edit::start_table($token). - ''.&Apache::lonxml::description($token)."Delete:". - &Apache::edit::deletelist($target,$token) - ." ".&Apache::edit::end_row() - .&Apache::edit::start_spanning_row(); - - $result.= - &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4'). - &Apache::edit::select_arg('Randomize Foil Order','randomize', - ['yes','no'],$token). - &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n"; - } elsif ($target eq 'modified') { - my $constructtag=&Apache::edit::get_new_args($token,$parstack, - $safeeval,'max','randomize'); - if ($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}.}'; - } - $result .= '\begin{enumerate}'; - } - return $result; + my ($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). + ''.&Apache::lonxml::description($token). + &Apache::loncommon::help_open_topic('Radio_Response_Problems'). + "Delete:". + &Apache::edit::deletelist($target,$token) + ." ".&Apache::edit::end_row() + .&Apache::edit::start_spanning_row(); + $result.= + &Apache::edit::text_arg('Max Number Of Shown Foils:','max', + $token,'4'). + &Apache::edit::select_arg('Randomize Foil Order','randomize', + ['yes','no'],$token). + &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}.}'; + } + $result .= '\begin{enumerate}'; + } elsif ($target eq 'analyze') { + my $part_id="$Apache::inputtags::part.$id"; + 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') { $result .= '\end{enumerate}'; } - &Apache::response::end_response; - pop @Apache::lonxml::namespace; - &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup')); - return $result; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result; + if ($target eq 'edit') { $result=&Apache::edit::end_table(); } + if ($target eq 'tex') { $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=(); - $Apache::radiobuttonresponse::conceptgroup=0; - &Apache::response::setrandomnumber(); - if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') { - $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]'; - } - return $result; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result; + %Apache::response::foilgroup=(); + $Apache::radiobuttonresponse::conceptgroup=0; + &Apache::response::pushrandomnumber(); + if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') { + $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]'; + } + return $result; } sub storesurvey { - if ( !defined($ENV{'form.submitted'})) { return ''; } - my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']}; - &Apache::lonxml::debug("Here I am!:$response:"); - if ( $response !~ /[0-9]+/) { return ''; } - my $id = $Apache::inputtags::response['-1']; - my @whichfoils=@{ $Apache::response::foilgroup{'names'} }; - my %responsehash; - $responsehash{$whichfoils[$response]}=$response; - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash); - $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED'; - &Apache::lonxml::debug("submitted a $response
\n"); - return ''; + 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 $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED'; + &Apache::response::handle_previous(\%previous,$ad); + &Apache::lonxml::debug("submitted a $response
\n"); + return ''; } + sub grade_response { - my ($max,$randomize)=@_; - #keep the random numbers the same must always call this - my ($answer,@whichfoils)=&whichfoils($max,$randomize); - if (!defined($ENV{'form.submitted'})) { return; } - my $response; - if ($ENV{'form.submitted'} eq 'scantron') { - $response=&Apache::response::getresponse(); - } 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
\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,$ad); + my ($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
\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 ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; - my $result; - if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') { - my $style = $Apache::lonhomework::type; - if ( $style eq 'survey' ) { - if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') { - $result=&displayallfoils(); - } elsif ( $target eq 'grade' ) { - $result=&storesurvey(); - } - } else { - my $name; - 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); - } elsif ($target eq 'answer' ) { - $result=&displayanswers($max,$randomize); - } elsif ( $target eq 'grade') { - &grade_response($max,$randomize); - } - } - } - if ($target ne 'answer') {&Apache::lonxml::increment_counter();} - return $result; + my $result; + my $bubble_lines; + my $bubbles_per_line; + my $answer_count; + my $id = $Apache::inputtags::response['-1']; + $bubbles_per_line = + &Apache::response::get_response_param($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' && $target ne 'analyze') { + if ($target eq 'web' || $target eq 'tex') { + $result=&displayallfoils($direction, $target); + } elsif ( $target eq 'answer' ) { + $result=&displayallanswers(); + } elsif ( $target eq 'grade' ) { + $result=&storesurvey(); + } + $answer_count = scalar(@{$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 $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; + push (@{ $Apache::lonhomework::analyze{"$part_id.options"} }, + ('true','false')); + push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, + $bubble_lines); + } + } + $Apache::lonxml::post_evaluate=0; + } + if ($target eq 'web') { + &Apache::response::setup_prior_tries_hash(\&format_prior_answer, + [\%Apache::response::foilgroup]); + } + $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line); + &Apache::response::poprandomnumber(); + &Apache::lonxml::increment_counter($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++; + my @names; + my $truecnt=0; + my $falsecnt=0; + my $name; + if ( $Apache::response::foilgroup{'names'} ) { + @names= @{ $Apache::response::foilgroup{'names'} }; } - } - return ($truecnt,$falsecnt); + 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 ''. + $foil_data->{$name.'.text'}.''; + } sub displayallfoils { - my $result; - &Apache::lonxml::debug("survey style display"); - my @names = @{ $Apache::response::foilgroup{'names'} }; - my $temp=0; - my $id=$Apache::inputtags::response['-1']; - my $part=$Apache::inputtags::part; - my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"}; - my %lastresponse=&Apache::lonnet::str2hash($lastresponse); - if (&Apache::response::show_answer() ) { - foreach my $name (@names) { - if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { - $result.="
".$Apache::response::foilgroup{$name.'.value'}; - if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { - $result.=''; + my ($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= + $Apache::lonhomework::history{"resource.$part.$id.submission"}; + if ($direction eq 'horizontal') { $result.=''; } + my %lastresponse=&Apache::lonnet::str2hash($lastresponse); + if (&Apache::response::show_answer() ) { + foreach my $name (@names) { + if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { + if (($direction eq 'horizontal') && ($target ne 'tex')) { + $result.=""; } + } } - $result .= $Apache::response::foilgroup{$name.'.text'}; - if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { - $result.=''; + } else { + foreach my $name (@names) { + if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { + if ($direction eq 'horizontal') { + $result.=""; } + } else { + $result.='\vskip 0 mm '; + } + } } - } - } - } else { - foreach my $name (@names) { - if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') { - $result.="
\n"; - $temp++; - } } - } - return $result; + + if (($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') { + $result .= '\item \vskip -2mm '; + } else { + $result.="
"; + } + } + if ($target eq 'tex') { + $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs + $i++; + } else { + $result .= '
'; } + return $result; } +=pod + +=item &whichfoils($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 + $answer - location in the array of the correct answer + @foils - array of foil names in to display order + +=cut + sub whichfoils { - my ($max,$randomize)=@_; + my ($max,$randomize)=@_; - my @truelist; - my @falselist; - my @whichfalse =(); - my ($truecnt,$falsecnt) = &getfoilcounts(); - my $count=0; - # we will add in 1 of the true statements - if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; } - 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 ")); - } - } - } 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}=$current; + my @truelist; + my @falselist; + my @whichfalse =(); + my ($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 $name in ",'<>&"')); } - } elsif ($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}=$current; + } + if (!$havetrue && $Apache::lonhomework::type ne 'survey') { + &Apache::lonxml::error("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 $name in ",'<>&"')); } - } elsif ($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++; + #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') { + $dosplice=0; + &Apache::lonxml::error("There are no true statements available.
"); + } + #insert the true statement, keeping track of where it wants to be + if ($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; + $dosplice=0; } else { - push (@whichfalse,$afalse); + if ($topcount>0 || $bottomcount>0) { + $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1)) + + $topcount; + } } - } - &Apache::lonxml::debug("Answer wants $answer"); - my $truename=$truelist[$whichtrue]; - my $dosplice=1; - if ($notrue) { - $dosplice=0; - &Apache::lonxml::error("There are no true statements available.
"); - } - #insert the true statement, keeping track of where it wants to be - if ($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; } + &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]) } } - $answer+=$topcount+$#whichfalse+1; - $dosplice=0; - } else { - if ($topcount>0 || $bottomcount>0) { - $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1)) - + $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); + 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 ($target,$max,$randomize)=@_; - my $result; + my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_; + my $result; - my ($answer,@whichfoils)=&whichfoils($max,$randomize); - my $part=$Apache::inputtags::part; - my $solved=$Apache::lonhomework::history{"resource.$part.solved"}; - if ( ($target ne 'tex') && - &Apache::response::show_answer() ) { - foreach my $name (@whichfoils) { - if ($target ne 'tex') { - $result.="
"; - } else { - $result.='\item \vskip -2 mm '; - } - if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { - if ($target ne 'tex') { $result.='Correct:'; } else { $result.='Correct: \textbf{';} - } else { - $result.='Incorrect:'; - } - if ($target ne 'tex') { - $result.=$Apache::response::foilgroup{$name.'.text'}."\n"; - } else { - $result.=$Apache::response::foilgroup{$name.'.text'}; - } - if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { - if ($target ne 'tex') { $result.='';} else {$result.='}';} - } - } - } else { - my @alphabet = ('A'..'Z'); - my $i = 0; - my $temp=0; - my $id=$Apache::inputtags::response['-1']; my $part=$Apache::inputtags::part; - my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"}; - my %lastresponse=&Apache::lonnet::str2hash($lastresponse); - foreach my $name (@whichfoils) { - if ($target ne 'tex') { - $result.="
\n"; - } else { - if ($Apache::lonhomework::type eq 'exam') { - $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs - $i++; - } else { - $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'}; - } - } - $temp++; - } - } - if ($target ne 'tex') { $result.="
"; } else { $result.='\vskip 0 mm '; } - return $result; + 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.=''; + } + } + foreach my $name (@{ $whichfoils }) { + if ($direction eq 'horizontal') { + if ($target ne 'tex') { $result.=''; } + } + } + if ($direction eq 'horizontal') { + if ($target ne 'tex') { + $result.='
'; } + } + if ($target ne 'tex') { + $result.="
"; + } else { + $result.='\item \vskip -2 mm '; + } + if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { + if ($target ne 'tex') { $result.='Correct:'; } else { $result.='Correct: \textbf{';} + } else { + $result.='Incorrect:'; + } + if ($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.='
'; + } + } + } 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 $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"}; + my %lastresponse=&Apache::lonnet::str2hash($lastresponse); + if ($target ne 'tex' && $direction eq 'horizontal') { + $result.=""; + } + foreach my $name (@{ $whichfoils }) { + if ($target ne 'tex') { + if ($direction eq 'horizontal') { + $result.=""; + } + $temp++; + } + if ($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'} }; + } + 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 $result; } sub displayanswers { - my ($max,$randomize)=@_; - my ($answer,@whichopt) = &whichfoils($max,$randomize); - my $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 $result; + my ($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 $result; + my ($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') { - if (defined(@{ $Apache::response::conceptgroup{'names'} })) { - my @names = @{ $Apache::response::conceptgroup{'names'} }; - my $pick=int(&Math::Random::random_uniform() * ($#names+1)); - my $name=$names[$pick]; - push @{ $Apache::response::foilgroup{'names'} }, $name; - $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"}; - $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"}; - $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"}; - my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval); - $Apache::response::foilgroup{"$name.concept"} = $concept; - &Apache::lonxml::debug("Selecting $name in $concept"); - my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; - push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept); - $Apache::hint::radiobutton{"$part_id.concept.$concept"}= - $Apache::response::conceptgroup{'names'}; - } - } elsif ($target eq 'edit') { - $result=&Apache::edit::end_table(); - } - return $result; + my ($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".&insert_foil()."\n\t\t\n"; - return $result; + 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' || $target eq 'tex') { - &Apache::lonxml::startredirection; - } elsif ($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 $result; + my ($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') { $text=&Apache::lonxml::endredirection; } - if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') { - my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval); - if ($value ne 'unused') { - my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); - my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval); - if (!$name) { $name=$Apache::lonxml::curdepth; } - 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("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 ''; + return ''; } sub insert_foil { - return ' + return ' 500 Internal Server Error

Internal Server Error

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Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.