--- loncom/homework/structuretags.pm 2000/10/05 19:26:16 1.8 +++ loncom/homework/structuretags.pm 2000/12/04 21:51:30 1.19 @@ -6,7 +6,73 @@ use strict; use Apache::lonnet; sub BEGIN { - &Apache::lonxml::register('Apache::structuretags',('block','while','randomlist')); + &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)=@_; + +#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 eq 'web') { + # create a page header and exit + my $args =''; + if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } + my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); + return "$name\n\n
"; + } + return ''; +} + +sub end_problem { + my ($target,$token,$parstack,$parser,$safeeval)=@_; + my $result=''; + unless ($target eq 'meta') { + if ( $target eq 'grade' && $Apache::inputtags::part eq '0') { + # if part is zero, no s existed, so we need to the grading + &Apache::inputtags::grade; + } elsif ($Apache::inputtags::part eq '0') { + # if part is zero, no s existed, so we need show the current + # grading status + $result.= &Apache::inputtags::gradestatus; + } + if ($target eq 'web') { $result.="\n"; } + } else { + if ($Apache::inputtags::part eq '0') { + $result=&Apache::response::mandatory_part_meta; + } + } + return $result; } sub start_block { @@ -19,7 +85,7 @@ sub start_block { my $result = &Apache::run::run($code,$safeeval); if ( ! $result ) { # my $skip=$$parser[$#$parser]->get_text("/block"); - my $skip=&Apache::lonxml::get_all_text("block",$$parser[$#$parser]); + my $skip=&Apache::lonxml::get_all_text("/block",$$parser[$#$parser]); # print "skipped $skip"; } return ""; @@ -64,7 +130,7 @@ sub end_while { # sub start_randomlist { my ($target,$token,$parstack,$parser,$safeeval)=@_; - my $body= &Apache::lonxml::get_all_text("randomlist",$$parser[$#$parser]); + my $body= &Apache::lonxml::get_all_text("/randomlist",$$parser[$#$parser]); my $b_parser= HTML::TokeParser->new(\$body); my $b_tok; my @randomlist; @@ -75,7 +141,7 @@ sub start_randomlist { # get content of the tag until matching end tag # get all text upto the matching tag # and push the content into @randomlist - $list_item = &Apache::lonxml::get_all_text($b_tok->[1],$b_parser); + $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],$b_parser); $list_item = "$b_tok->[4]"."$list_item"."[1]>"; push(@randomlist,$list_item); # print "
START-TAG $b_tok->[1], $b_tok->[4], $list_item"; @@ -112,6 +178,26 @@ sub shuffle { sub end_randomlist { } +sub start_part { + my ($target,$token,$parstack,$parser,$safeeval)=@_; + my $args =''; + if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } + my $id = &Apache::run::run("{$args;".'return $id}',$safeeval); + $Apache::inputtags::part=$id; + @Apache::inputtags::responselist = (); + if ($target eq 'meta') { + return &Apache::response::mandatory_part_meta; + } + return ''; +} + +sub end_part { + my ($target,$token,$parstack,$parser,$safeeval)=@_; + &Apache::lonxml::debug("in end_part $target "); + if ( $target eq 'meta' ) { return ''; } + if ( $target eq 'grade' ) { return &Apaceh::inputtags::grade; } + return &Apache::inputtags::gradestatus; +} 1; __END__