--- loncom/homework/radiobuttonresponse.pm 2008/12/11 03:29:30 1.134.2.1 +++ loncom/homework/radiobuttonresponse.pm 2011/09/13 21:42:58 1.151 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # mutliple choice style responses # -# $Id: radiobuttonresponse.pm,v 1.134.2.1 2008/12/11 03:29:30 raeburn Exp $ +# $Id: radiobuttonresponse.pm,v 1.151 2011/09/13 21:42:58 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,6 +25,8 @@ # http://www.lon-capa.org/ # + + package Apache::radiobuttonresponse; use strict; use HTML::Entities(); @@ -65,7 +67,7 @@ sub start_radiobuttonresponse { if ($target eq 'meta') { $result=&Apache::response::meta_package_write('radiobuttonresponse'); } elsif ($target eq 'edit' ) { - $result.=&Apache::edit::start_table($token) + $result.=&Apache::edit::start_table($token) .'
";
} else {
if ($target eq 'tex') {
- $result .= '\item \vskip -2mm ';
- } else {
+ if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
+ my $fieldname = $env{'request.symb'}.'&part_'. $Apache::inputtags::part
+ .'&radiobuttonresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'];
+ $result .= '\item[{'.&Apache::lonxml::print_pdf_radiobutton($fieldname,$temp).'}]'
+ .$Apache::response::foilgroup{$name.'.text'}."\n";
+ } else {
+ $result .= '\item \vskip -2mm ';
+ }
+ } else {
$result.=" "; } } if ($target eq 'tex') { - $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs + if($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 .= ''; } @@ -382,33 +434,6 @@ sub displayallfoils { 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,$randomize)=@_; @@ -443,7 +468,11 @@ sub whichfoils { &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in '); } } else { @@ -503,7 +532,11 @@ sub whichfoils { &Apache::lonxml::debug("Answer wants $answer"); my $truename=$truelist[$whichtrue]; my $dosplice=1; - if ($notrue && $Apache::lonhomework::type ne 'survey') { + if (($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.').' '); } @@ -527,8 +560,12 @@ sub whichfoils { $dosplice=0; } else { if ($topcount>0 || $bottomcount>0) { - $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1)) - + $topcount; + 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"); @@ -600,11 +637,46 @@ sub displayfoils { my $temp=0; my $id=$Apache::inputtags::response['-1']; my $part=$Apache::inputtags::part; - my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"}; + my ($lastresponse,$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.=" |