'.&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'}.'';
}
-##
-# Return the last survey response. The logic is slightly different than that of
-# get_last_responses. TODO: See if there are chunks of code betweenthis and
-# get_last_reponses that are common and can be factored.
-#
-# @param $part - Problem part under consideration.
-# @param $showanswer - True if answers should be shown.
-# @param $id - Problem id.
-#
-# @return hash reference.
-# @retval reference to the has indexed by answer selection that
-# indicates the most recent answer.
-#
-sub get_last_survey_response {
- my ($part, $showanswer, $id) = @_;
-
- my $newvariation;
- my $lastresponse; # stringified last response.
+sub displayallfoils {
+ my ($direction, $target)=@_;
+ my $result;
+ &Apache::lonxml::debug("survey style display");
+ my @names;
+ if ( $Apache::response::foilgroup{'names'} ) {
+ @names= @{ $Apache::response::foilgroup{'names'} };
+ }
- 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;
}
}
- 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.$id.submission"};
- }
- my %lastresponse = &Apache::lonnet::str2hash($lastresponse);
-
-
- return \%lastresponse;
-
-}
-##
-# Removes the names from a foil group that are marked as unused.
-#
-# @param $names - reference to the array of names to filter.
-#
-# @return arrayref
-# @retval reference to the filtered array.
-#
-sub remove_unused {
- my ($names) = @_;
- my @result;
-
- foreach my $name (@{$names}) {
- if ($Apache::response::foilgroup{$name . '.value'} ne 'unused') {
- push(@result, $name);
- }
+ $showanswer = &Apache::response::show_answer();
+ unless ((($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"};
}
- return \@result;
-}
-##
-# Displays all foils in a survey type problem for HTML rendition.
-# TODO: See if there is any logic in this sub that can be shared
-# with display_foils_html
-#
-# @param $names - ref to array of names of the foils to display.
-# @param $part - Problem part number.
-# @param $showanswer - If true, show the answers.
-# @param $lastresponse - Ref to the last response hash.
-# @param $direction - Display direction of the radiobuttons.
-#
-# @return string
-# @retval HTML required to display the resource in a browser.
-#
-sub display_survey_html {
- my ($names, $part, $showanswer, $lastresponse, $direction) = @_;
- my $result;
-
- # Figure out a few fragments of html that depend onthe
- # orientation of the radiobuttons:
- # closing_html - HTML to emit at the end of the resource.
- # pre_foil - HTML to emit prior to each foil.
- # post_foil - HTML to emit following each foil.
- #
- # The opening HTML is just added to the $result now
- #
- # Figuring these outin advance compresses the loop over foils into something
- # pretty simple:
- #
- # NOTE: There's probably a really cool way to do this with style sheets
- # and picking the selector based on the orientation, if someone wants to puzzle
- # that out. In that case, probably the whole thing lives in a
and each
- # foil lives in a
- #
-
-
- my ($opening_html, $closing_html, $pre_foil, $post_foil) =
- &html_direction_fragments($direction);
-
- $result = $opening_html;
-
- # Different rendering depending on whether answers are shown:
- # I played with different factorings but this seems the most concise/clear...
- # although I don't like the $showanswer conditino inside the loop. Other things I tried
- # - two loops..much longer code..no gain in clarity.
- # - Using a visitor patttern passing it the rendering code chunklets and
- # an anonymous hash reference for state data etc. Very cool but
- # quite a bit more code and quite a bit less clear.
-
- my $temp = 0;
- foreach my $name (@{$names}) {
- $result .= $pre_foil;
-
- if ($showanswer) {
- my $foiltext = $Apache::response::foilgroup{$name . '.text'};
-
- # Bold the prior response:
-
- if (defined($lastresponse->{$name})) {
- $result .= '' . $foiltext . '';
- } else {
- $result .= $foiltext;
+ if ($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.="
'; }
return $result;
-
-
-}
-##
-# Figure out the LaTeX environment in which to wrap the LaTeX vertical output.
-#
-# @return string
-# @retval the environment name. The LaTeX should be wrapped a
-# \begin{retval} \end{retval} pair.
-#
-sub latex_vertical_environment {
- if ($env{'form.pdfFormFields'} eq 'yes'
- && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
- return 'itemize';
- } else {
- return 'enumerate';
- }
}
-##
-# Figure out the key html fragments that depend on the rendering direction:
-#
-# @param $direction - 'horizontal' for horizontal direction.
-#
-# @return list
-# @retval (part_start, part_end, foil_start, foil_end)
-# Where:
-# - part_start is the HTML to emit at the start of the part.
-# - part_end is the HTML to emit at the end of the part.
-# - foil_start is the HTML to emit prior to each foil.
-# - foil_end is the HTML to emit after each foil
-#
-sub html_direction_fragments {
- my $direction = shift;
- if ($direction eq 'horizontal') {
- return ('
', '
', '
', '
');
- } else {
- return ('', ' ', ' ', '');
- }
-}
-
-##
-#
-# Displays all the foils of a problem in a format suitable for
-# surveys, surveys for credit, anonymous surveys and anonymous surveys for credit.
-#
-# @param $direction - Display direction of the choices ('horiztonal' or not).
-# @param $target - Rendering target.
-#
-# @return string
-# @retval Text that renders for the selected 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'} };
- }
-
-
- my $id = $Apache::inputtags::response['-1'];
- my $part = $Apache::inputtags::part;
-
- my $showanswer = &Apache::response::show_answer();
- my $lastresponse = &get_last_survey_response($part, $showanswer, $id);
- my $used_names = &remove_unused(\@names);
-
-
- if ($target ne 'tex') {
- $result .= &display_survey_html(
- $used_names, $part, $showanswer, $lastresponse, $direction
- );
- } else {
-
- my $vertical_env = &latex_vertical_environment();
- $result .= &latex_survey(
- $used_names, $showanswer, $lastresponse, $direction, $vertical_env
- );
-
- }
-
-
-
- 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;
- }
- 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' ) )
- {
- $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] );
- }
+ @names= @{ $Apache::response::foilgroup{'names'} };
}
- &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"} )
- {
- $newvariation = 1;
+ if (&Apache::response::showallfoils()) {
+ @whichfalse=@names;
+ } elsif ($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 $name in ",'<>&"'));
+ }
}
- }
- unless ($newvariation) {
- $lastresponse =
- $Apache::lonhomework::history{"resource.$part.$id.submission"};
- }
- my %lastresponse = &Apache::lonnet::str2hash($lastresponse);
-
- return \%lastresponse;
-}
-
-##
-# 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 $show_answer- True if answers should be shown.
-#
-# @return string
-# @retval generated html.
-#
-sub display_foils_html {
- my ($whichfoils, $target, $direction, $part, $show_answer) = @_;
- my $result;
-
-
- # if the answers get shown, we need to label each item as correct or
- # incorrect.
-
- my ($opening_html, $finalclose, $item_pretext, $item_posttext) =
- &html_direction_fragments($direction);
-
- $result .= $opening_html;
-
-
- if ($show_answer) {
-
- 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:') . '';
- $item_closetag .= '';
-
+ if ((!$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 {
- $result .= &mt('Incorrect');
+ &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in ",'<>&"'));
}
-
- # Web rendition encloses the
- # item text in a label tag as well:
-
- if ($target eq 'web') {
- $result .= '' . $item_closetag;
+ }
+ #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);
}
- $result .= $Apache::response::foilgroup{$name . '.text'};
- $result .= $item_closetag;
- $result .= $item_posttext;
- $result .= "\n"; # make the html a bit more readable.
}
-
-
- } else {
- my $lastresponse = &get_last_response($part);
-
- 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++;
+ &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')) {
+ $inc = 2;
+ }
+ $answer=int(&Math::Random::random_uniform() * ($#whichfalse+$inc))
+ + $topcount;
+ }
}
-
- }
- $result .= $finalclose;
-
- 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 $venv - Name of LaTeX environment to use for vertical rendering.
-#
-# @return string
-# @return the latex rendering of the exam problem.
-#
-#
-sub display_latex_exam {
- my ($whichfoils, $bubbles_per_line, $direction, $venv) = @_;
- 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 {
- $result .= "\\begin{$venv}";
-
- # 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++;
+ &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]) }
}
- $result .= "\\end{$venv}";
-
- }
-
- 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 $venv - Vertical env. to use for vertical rendering.
-# @param $vend - End the vertical environment being used.
-#
-# @return string
-# @retval - The LaTeX rendering of the resource.'
-#
-sub display_latex {
- my ($whichfoils, $direction, $venv) = @_;
- 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 {
- $result .= "\\begin{$venv}";
- foreach my $name (@{$whichfoils}) {
- $result .= '\vspace*{-2 mm}\item '
- . $Apache::response::foilgroup{ $name . '.text' };
+ for (my $i=0;$i<=$#bottomlist;$i++) {
+ if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
}
-
- $result .= "\\end{$venv}";
+ #if the true statement is randomized insert it into the list
+ if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
}
- 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.
-# @param $venv - Vertical environment in which to wrap the foils.
-#
-# @return string
-# @retval String containing the rendering of the resource.
-#
-# TODO: Take into account direction!!!
-#
-sub display_pdf_form {
- my ($whichfoils, $direction, $venv) = @_;
- my $temp = 0;
- my $result;
-
- $result .= "\\begin{$venv}";
- 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++;
- }
- $result .= "\\end{$venv}";
-
- return $result;
+ &Apache::lonxml::debug("Answer is $answer");
+ return ($answer,@whichfalse);
}
-
-##
-# 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, $bubbles_per_line ) = @_;
+ my ($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, $part, 1);
-
- # other html
- } elsif ($target ne 'tex') {
- $result = &display_foils_html($whichfoils, $target, $direction, $part,
- 0, 0);
-
- # LaTeX rendering:
+ my $part=$Apache::inputtags::part;
+ my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
+ if ( ($target ne 'tex') &&
+ &Apache::response::show_answer() ) {
+ if ($direction eq 'horizontal') {
+ if ($target ne 'tex') {
+ $result.='
';
+ }
+ }
+ foreach my $name (@{ $whichfoils }) {
+ if ($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.=&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') { $result.='
'; }
+ }
+ }
+ if ($direction eq 'horizontal') {
+ if ($target ne 'tex') {
+ $result.='
';
+ }
+ }
} else {
-
-
- my $id = $Apache::inputtags::response['-1'];
- my $part = $Apache::inputtags::part;
- my $numlines;
-
- # Decide how to bracket the list of foils:
-
- my $vertical_env = &latex_vertical_environment();
-
- # Rendering for latex exams.
-
- if ( ( $Apache::lonhomework::type eq 'exam' ) )
- {
- $result .= &display_latex_exam(
- $whichfoils, $bubbles_per_line, $direction, $vertical_env);
-
- $result .= '\vskip 0mm ';
-
- } else {
-
- # Different rendering for PDF form than for a
- # 'regular' answer direction is honored in both of those
- #
-
- if ( ($env{'form.pdfFormFields'} eq 'yes')
- && ($Apache::inputtags::status[-1] eq 'CAN_ANSWER'))
- {
- $result .= &display_pdf_form($whichfoils, $direction, $vertical_env);
+ 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.="