version 1.7, 2000/09/18 15:43:38
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version 1.27, 2001/01/05 20:05:26
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Line 6 use strict;
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Line 6 use strict;
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use Apache::lonnet; |
use Apache::lonnet; |
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sub BEGIN { |
sub BEGIN { |
&Apache::lonxml::register('Apache::structuretags',('block','while','randomlist')); |
&Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem','web','tex','part','preduedate','postanswerdate','solved','notsolved')); |
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} |
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sub start_web { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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my $bodytext=&Apache::lonxml::get_all_text("/web",$$parser[$#$parser]); |
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if ($target eq 'web') { |
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return $bodytext; |
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} |
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return ''; |
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} |
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sub end_web { |
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} |
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sub start_tex { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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my $bodytext=&Apache::lonxml::get_all_text("/tex",$$parser[$#$parser]); |
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if ($target eq 'tex') { |
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return $bodytext |
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} |
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return ''; |
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} |
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sub end_tex { |
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} |
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sub start_problem { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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#intialize globals |
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$Apache::inputtags::part='0'; |
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@Apache::inputtags::responselist = (); |
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#adeed vars to the scripting enviroment |
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my $expression='$external::part='.$Apache::inputtags::part.';'; |
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&Apache::run::run($expression,$safeeval); |
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my $status; |
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my $datemsg; |
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if ($target ne 'meta') { |
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($status,$datemsg) = &Apache::lonhomework::check_date('0'); |
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push (@Apache::inputtags::status,$status); |
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my $expression='$external::datestatus="'.$status.'";'; |
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$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";'; |
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&Apache::run::run($expression,$safeeval); |
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if ( $status eq 'CLOSED' ) { |
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my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]); |
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if ( $target eq "web" ) { |
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return "<body bgcolor=#FFFFFF> <br></br>Problem is not open to be viewed. The problem $datemsg<br></br>"; |
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} |
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} |
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} |
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if ($target eq 'web') { |
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my $args =''; |
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if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } |
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my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); |
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if ($status eq 'CAN_ANSWER') { |
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# create a page header and exit |
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return "<title>$name</title>\n<body bgcolor=#FFFFFF>\n<form name=\"lonhomework\" method=\"POST\" action=\"".$ENV{'request.uri'}."\">"; |
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} elsif ($status eq 'SHOW_ANSWER') { |
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return "<title>$name</title>\n<body bgcolor=#FFFFFF>\n"; |
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} |
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} |
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return ''; |
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} |
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sub end_problem { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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my $result=''; |
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my $status=$Apache::inputtags::status['-1']; |
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unless ($target eq 'meta') { |
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if ( $target eq 'grade' && $Apache::inputtags::part eq '0') { |
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# if part is zero, no <part>s existed, so we need to the grading |
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&Apache::inputtags::grade; |
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} elsif ($Apache::inputtags::part eq '0') { |
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# if part is zero, no <part>s existed, so we need show the current |
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# grading status |
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$result.= &Apache::inputtags::gradestatus($Apache::inputtags::part); |
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} |
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if ($target eq 'web') { |
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if ($status eq 'CAN_ANSWER') { |
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$result.="</form></body>\n"; |
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} elsif ($status eq 'SHOW_ANSWER') { |
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$result.="</body>\n"; |
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} |
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} |
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} else { |
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if ($Apache::inputtags::part eq '0') { |
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$result=&Apache::response::mandatory_part_meta; |
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} |
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} |
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return $result; |
} |
} |
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sub start_block { |
sub start_block { |
Line 17 sub start_block {
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Line 108 sub start_block {
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$code .=';return $condition;'; |
$code .=';return $condition;'; |
# print "<br>$code<br>"; |
# print "<br>$code<br>"; |
my $result = &Apache::run::run($code,$safeeval); |
my $result = &Apache::run::run($code,$safeeval); |
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&Apache::lonxml::debug("block :$code: returned :$result:"); |
if ( ! $result ) { |
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",$$parser[$#$parser]); |
&Apache::lonxml::debug("skipping ahead :$skip: $$parser[$#$parser]"); |
# print "skipped $skip"; |
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} |
} |
return ""; |
return ""; |
} |
} |
Line 40 sub start_while {
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Line 131 sub start_while {
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my $bodytext=$$parser[$#$parser]->get_text("/while"); |
my $bodytext=$$parser[$#$parser]->get_text("/while"); |
push( @Apache::structuretags::whilebody, $bodytext); |
push( @Apache::structuretags::whilebody, $bodytext); |
if ( $result ) { |
if ( $result ) { |
my $tempparser=HTML::TokeParser->new(\$bodytext); |
&Apache::lonxml::newparser($parser,\$bodytext); |
push (@$parser,$tempparser); |
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} |
} |
return ""; |
return ""; |
} |
} |
Line 52 sub end_while {
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Line 142 sub end_while {
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my $bodytext = pop @Apache::structuretags::whilebody; |
my $bodytext = pop @Apache::structuretags::whilebody; |
my $result = &Apache::run::run($code,$safeeval); |
my $result = &Apache::run::run($code,$safeeval); |
if ( $result ) { |
if ( $result ) { |
my $tempparser=HTML::TokeParser->new(\$bodytext); |
&Apache::lonxml::newparser($parser,\$bodytext); |
push (@$parser,$tempparser); |
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} |
} |
return ""; |
return ""; |
} |
} |
Line 66 sub end_while {
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Line 155 sub end_while {
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# </randomlist> |
# </randomlist> |
sub start_randomlist { |
sub start_randomlist { |
my ($target,$token,$parstack,$parser,$safeeval)=@_; |
my ($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_parser= HTML::TokeParser->new(\$body); |
my $b_tok; |
my $b_tok; |
my @randomlist; |
my @randomlist; |
Line 77 sub start_randomlist {
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Line 166 sub start_randomlist {
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# get content of the tag until matching end tag |
# get content of the tag until matching end tag |
# get all text upto the matching tag |
# get all text upto the matching tag |
# and push the content into @randomlist |
# 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]"."$list_item"."</$b_tok->[1]>"; |
$list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>"; |
push(@randomlist,$list_item); |
push(@randomlist,$list_item); |
# print "<BR><B>START-TAG $b_tok->[1], $b_tok->[4], $list_item</B>"; |
# print "<BR><B>START-TAG $b_tok->[1], $b_tok->[4], $list_item</B>"; |
Line 96 sub start_randomlist {
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Line 185 sub start_randomlist {
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for(0 .. $#randomlist) { |
for(0 .. $#randomlist) { |
$bodytext .= "$randomlist[ $idx_arr[$_] ]"; |
$bodytext .= "$randomlist[ $idx_arr[$_] ]"; |
} |
} |
my $tempparser=HTML::TokeParser->new(\$bodytext); |
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push (@$parser,$tempparser); |
&Apache::lonxml::newparser($parser,\$bodytext); |
return ""; |
return ""; |
} |
} |
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Line 114 sub shuffle {
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Line 203 sub shuffle {
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sub end_randomlist { |
sub end_randomlist { |
} |
} |
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sub start_part { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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my $args =''; |
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if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } |
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my $id = &Apache::run::run("{$args;".'return $id}',$safeeval); |
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$Apache::inputtags::part=$id; |
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@Apache::inputtags::responselist = (); |
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if ($target eq 'meta') { |
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return &Apache::response::mandatory_part_meta; |
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} else { |
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my ($status,$datemsg) = &Apache::lonhomework::check_date("OPEN_DATE",$id); |
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push (@Apache::inputtags::status,$status); |
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my $expression='$external::datestatus="'.$status.'";'; |
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$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";'; |
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&Apache::run::run($expression,$safeeval); |
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if ( $status eq 'CLOSED' ) { |
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my $bodytext=&Apache::lonxml::get_all_text("/part",$$parser[$#$parser]); |
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if ( $target eq "web" ) { |
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return "<br></br>Part is not open to be viewed. It $datemsg<br></br>"; |
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} |
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} |
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} |
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return ''; |
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} |
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sub end_part { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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&Apache::lonxml::debug("in end_part $target "); |
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pop @Apache::inputtags::status; |
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if ( $target eq 'meta' ) { return ''; } |
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if ( $target eq 'grade' ) { return &Apache::inputtags::grade; } |
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return &Apache::inputtags::gradestatus($Apache::inputtags::part); |
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} |
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sub start_preduedate { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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if ($target ne 'meta') { |
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if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER') { |
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&Apache::lonxml::get_all_text("/preduedate",$$parser[$#$parser]); |
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} |
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} |
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return ''; |
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} |
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sub end_preduedate { |
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return ''; |
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} |
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sub start_postanswerdate { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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if ($target ne 'meta') { |
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if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') { |
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&Apache::lonxml::get_all_text("/postanswerdate",$$parser[$#$parser]); |
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} |
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} |
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return ''; |
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} |
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sub end_postanswerdate { |
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return ''; |
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} |
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sub start_notsolved { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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if ($target ne 'meta') { |
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my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"}; |
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&Apache::lonxml::debug("not solved has :$gradestatus:"); |
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if ($gradestatus =~ /^correct/) { |
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&Apache::lonxml::debug("skipping"); |
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&Apache::lonxml::get_all_text("/notsolved",$$parser[$#$parser]); |
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} |
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} |
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return ''; |
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} |
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sub end_notsolved { |
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return ''; |
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} |
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sub start_solved { |
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my ($target,$token,$parstack,$parser,$safeeval)=@_; |
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if ($target ne 'meta') { |
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my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"}; |
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if ($gradestatus !~ /^correct/) { |
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&Apache::lonxml::get_all_text("/solved",$$parser[$#$parser]); |
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} |
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} |
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return ''; |
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} |
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sub end_solved { |
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return ''; |
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} |
1; |
1; |
__END__ |
__END__ |