--- loncom/homework/structuretags.pm 2000/12/29 21:54:06 1.25 +++ loncom/homework/structuretags.pm 2005/03/01 03:21:58 1.281 @@ -1,300 +1,1398 @@ -# The LearningOnline Network with CAPA # '."\n". + ''."\n"; + } + if ($target eq 'web' && $ENV{'request.state'} ne 'construct') { + my ($symb,undef,undef,undef,$publicuser)= + &Apache::lonxml::whichuser(); + if ($symb eq '' && !$publicuser) { + my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference"); + $help=&mt("Browsing resource, all submissions are temporary.")."
"; + $body_tag_start.=$help; + } + } + $body_tag_start.=&Apache::lonxml::message_location(); + } + my $form_tag_start; + if (!defined($found{'form'})) { + $form_tag_start='
'; + } + return ($result,$head_tag_start,$body_tag_start,$form_tag_start); +} + +#use Time::HiRes(); +sub get_resource_name { + my ($parstack,$safeeval)=@_; + if (defined($Apache::lonhomework::name)) { + return $Apache::lonhomework::name; + } + my ($symb)=&Apache::lonxml::whichuser(); + my $name=&Apache::lonnet::gettitle($symb); + if ($name eq '') { + $name=&Apache::lonnet::EXT('resource.title'); + if ($name eq 'con_lost') { $name = ''; } + } + if ($name!~/\S+/) { + $name=$ENV{'request.uri'}; + $name=~s-.*/([^/]+)$-$1-; + } + $Apache::lonhomework::name=$name; + return $name; +} + +sub setup_rndseed { + my ($safeeval)=@_; + my $rndseed; + my ($symb)=&Apache::lonxml::whichuser(); + if ($ENV{'request.state'} eq "construct" || $symb eq '' || + $Apache::lonhomework::history{'resource.CODE'}) { + $rndseed=$ENV{'form.rndseed'}; + if (!$rndseed) { + $rndseed=$Apache::lonhomework::history{'rndseed'}; + if (!$rndseed) { + $rndseed=time; + } + $ENV{'form.rndseed'}=$rndseed; + } + if ($ENV{'form.resetdata'} eq &mt('New Problem Variation') || + $ENV{'form.newrandomization'} eq &mt('New Randomization')) { + srand(time); + $rndseed=int(rand(2100000000)); + $ENV{'form.rndseed'}=$rndseed; + delete($ENV{'form.resetdata'}); + delete($ENV{'form.newrandomization'}); + } + if (defined($rndseed) && $rndseed ne int($rndseed)) { + $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed)); + } + if ($Apache::lonhomework::history{'resource.CODE'}) { + $rndseed=&Apache::lonnet::rndseed(); + } + if ($safeeval) { + &Apache::lonxml::debug("Setting rndseed to $rndseed"); + &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval); + } + } + return $rndseed; +} + +sub remember_problem_state { + return ' + + + '; +} + +sub problem_edit_header { + return ''. + &Apache::structuretags::remember_problem_state().' + + + +
+ +
'. + &Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help') + .'
'. + '
'; +} + +sub problem_edit_footer { + return '

+ '. + &Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields). + "\n
\n".&Apache::loncommon::endbodytag()."\n"; +} + +sub option { + my ($value,$name) = @_; + my $result ="