--- loncom/homework/structuretags.pm 2000/10/11 21:03:27 1.9 +++ loncom/homework/structuretags.pm 2000/12/12 22:35:52 1.21 @@ -6,21 +6,81 @@ use strict; use Apache::lonnet; sub BEGIN { - &Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem')); + &Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem','web','tex','part')); +} + +sub start_web { + my ($target,$token,$parstack,$parser,$safeeval)=@_; + my $bodytext=&Apache::lonxml::get_all_text("/web",$$parser[$#$parser]); + if ($target eq 'web') { + return $bodytext; + } + return ''; +} + +sub end_web { +} + +sub start_tex { + my ($target,$token,$parstack,$parser,$safeeval)=@_; + my $bodytext=&Apache::lonxml::get_all_text("/tex",$$parser[$#$parser]); + if ($target eq 'tex') { + return $bodytext + } + return ''; +} + +sub end_tex { } sub start_problem { my ($target,$token,$parstack,$parser,$safeeval)=@_; - my $args =''; - if ( $#$parstack > -1 ) { - $args=$$parstack[$#$parstack]; + +#intialize globals + $Apache::inputtags::part='0'; + @Apache::inputtags::responselist = (); + +#adeed vars to the scripting enviroment + my $expression='$external::part='.$Apache::inputtags::part.';'; + &Apache::run::run($expression,$safeeval); + if ($target ne 'meta') { + my ($date,$passed) = &Apache::lonhomework::check_date("OPEN_DATE",'0'); + if ( !$passed ) { + my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]); + if ( $target eq "web" ) { + return "Problem is not open to be viewed. It opens on $date"; + } + } } - my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); - return "