[BACK]Return to structuretags.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / homework

Diff for /loncom/homework/structuretags.pm between versions 1.8 and 1.25

version 1.8, 2000/10/05 19:26:16 version 1.25, 2000/12/29 21:54:06
Line 6  use strict; Line 6  use strict;
 use Apache::lonnet;  use Apache::lonnet;
   
 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'));
   }
   
   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);
     my $status;
     my $datemsg;
     if ($target ne 'meta') {
       ($status,$datemsg) = &Apache::lonhomework::check_date('0');
       push (@Apache::inputtags::status,$status);
       my $expression='$external::datestatus="'.$status.'";';
       $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
       &Apache::run::run($expression,$safeeval);
       if ( $status eq 'CLOSED' ) {
         my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);
         if ( $target eq "web" ) {
    return "<br></br>Problem is not open to be viewed. The problem $datemsg<br></br>";
         }
       } 
     }
     if ($target eq 'web') {
       my $args ='';
       if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
       my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
       if ($status eq 'CAN_ANSWER') {
         # create a page header and exit
         return "<title>$name</title>\n<body bgcolor=#FFFFFF>\n<form name=\"lonhomework\" method=\"POST\" action=\"".$ENV{'request.uri'}."\">";
       } elsif ($status eq 'SHOW_ANSWER') {
         return "<title>$name</title>\n<body bgcolor=#FFFFFF>\n";
       }
     }
     return '';
   }
   
   sub end_problem {
     my ($target,$token,$parstack,$parser,$safeeval)=@_;
     my $result='';
     my $status=$Apache::inputtags::status['-1'];
     unless ($target eq 'meta') {
       if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
         # if part is zero, no <part>s existed, so we need to the grading
         &Apache::inputtags::grade;
       } elsif ($Apache::inputtags::part eq '0') {
         # if part is zero, no <part>s existed, so we need show the current 
         # grading status
         $result.= &Apache::inputtags::gradestatus($Apache::inputtags::part);
       } 
       if ($target eq 'web') { 
         if ($status eq 'CAN_ANSWER') {
    $result.="</form></body>\n"; 
         } elsif ($status eq 'SHOW_ANSWER') {
    $result.="</body>\n"; 
         } 
       }
     } else {
       if ($Apache::inputtags::part eq '0') {
         $result=&Apache::response::mandatory_part_meta;
       }
     }
     return $result;
 }  }
   
 sub start_block {  sub start_block {
Line 17  sub start_block { Line 108  sub start_block {
   $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,$safeeval);
     &Apache::lonxml::debug("block :$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 $skip";  
   }    }
   return "";    return "";
 }  }
Line 64  sub end_while { Line 155  sub end_while {
 # </randomlist>  # </randomlist>
 sub start_randomlist {  sub start_randomlist {
   my ($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 75  sub start_randomlist { Line 166  sub start_randomlist {
     # 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 112  sub shuffle { Line 203  sub shuffle {
 sub end_randomlist {  sub end_randomlist {
 }  }
   
   sub start_part {
     my ($target,$token,$parstack,$parser,$safeeval)=@_;
     my $args ='';
     if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
     my $id = &Apache::run::run("{$args;".'return $id}',$safeeval);
     $Apache::inputtags::part=$id;
     @Apache::inputtags::responselist = ();
     if ($target eq 'meta') {
       return &Apache::response::mandatory_part_meta;
     } else {
       my ($status,$datemsg) = &Apache::lonhomework::check_date("OPEN_DATE",$id);
       push (@Apache::inputtags::status,$status);
       my $expression='$external::datestatus="'.$status.'";';
       $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
       &Apache::run::run($expression,$safeeval);
       if ( $status eq 'CLOSED' ) {
         my $bodytext=&Apache::lonxml::get_all_text("/part",$$parser[$#$parser]);
         if ( $target eq "web" ) {
    return "<br></br>Part is not open to be viewed. It $datemsg<br></br>";
         }
       }
     }
     return '';
   }
   
   sub end_part {
     my ($target,$token,$parstack,$parser,$safeeval)=@_;
     &Apache::lonxml::debug("in end_part $target ");
     pop @Apache::inputtags::status;
     if ( $target eq 'meta' ) { return ''; }
     if ( $target eq 'grade' ) { return &Apache::inputtags::grade; }
     return &Apache::inputtags::gradestatus($Apache::inputtags::part);
   }
   
   sub start_preduedate {
     my ($target,$token,$parstack,$parser,$safeeval)=@_;
     if ($target ne 'meta') {
       if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER') {
         &Apache::lonxml::get_all_text("/pre_duedate",$$parser[$#$parser]);
       }
     }
     return '';
   }
   
   sub end_preduedate {
     return '';
   }
   
   sub start_postanswerdate {
     my ($target,$token,$parstack,$parser,$safeeval)=@_;
     if ($target ne 'meta') {
       if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
         &Apache::lonxml::get_all_text("/post_answerdate",$$parser[$#$parser]);
       }
     }
     return '';
   }
   
   sub end_postanswerdate {
     return '';
   }
   
   sub start_notsolved {
     my ($target,$token,$parstack,$parser,$safeeval)=@_;
     if ($target ne 'meta') {
       my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
       &Apache::lonxml::debug("not solved has :$gradestatus:");
       if ($gradestatus =~ /^correct/) {
         &Apache::lonxml::debug("skipping");
         &Apache::lonxml::get_all_text("/not_solved",$$parser[$#$parser]);
       }
     }
     return '';
   }
   
   sub end_notsolved {
     return '';
   }
   
   sub start_solved {
     my ($target,$token,$parstack,$parser,$safeeval)=@_;
     if ($target ne 'meta') {
       my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
       if ($gradestatus !~ /^correct/) {
         &Apache::lonxml::get_all_text("/solved",$$parser[$#$parser]);
       }
     }
     return '';
   }
   
   sub end_solved {
     return '';
   }
 1;  1;
 __END__  __END__
Removed from v.1.8  
changed lines
  Added in v.1.25

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>