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Diff for /loncom/homework/structuretags.pm between versions 1.17 and 1.33

version 1.17, 2000/11/29 00:51:57 version 1.33, 2001/02/19 21:02:59
Line 1 Line 1
 # The LearningOnline Network with CAPA # <script> definiton  # The LearningOnline Network with CAPA # <script> definiton
   # 2/19 Guy
 package Apache::structuretags;   package Apache::structuretags; 
   
 use strict;  use strict;
 use Apache::lonnet;  use Apache::lonnet;
   
 sub BEGIN {  sub BEGIN {
   &Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem','web','tex','part'));    &Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem','web','tex','part','preduedate','postanswerdate','solved','notsolved'));
 }  }
   
 sub start_web {  sub start_web {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$parstack,$parser,$safeeval)=@_;
   my $bodytext=&Apache::lonxml::get_all_text("/web",$$parser[$#$parser]);    my $bodytext=&Apache::lonxml::get_all_text("/web",$$parser[$#$parser]);
   return $bodytext;    if ($target eq 'web') {
       return $bodytext;
     } 
     return '';
 }  }
   
 sub end_web {  sub end_web {
Line 21  sub end_web { Line 24  sub end_web {
 sub start_tex {  sub start_tex {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$parstack,$parser,$safeeval)=@_;
   my $bodytext=&Apache::lonxml::get_all_text("/tex",$$parser[$#$parser]);    my $bodytext=&Apache::lonxml::get_all_text("/tex",$$parser[$#$parser]);
     if ($target eq 'tex') {
       return $bodytext
     }
   return '';    return '';
 }  }
   
Line 29  sub end_tex { Line 35  sub end_tex {
   
 sub start_problem {  sub start_problem {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$parstack,$parser,$safeeval)=@_;
   unless ($target eq 'meta') {  
   #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",$$parser[$#$parser]);
         if ( $target eq "web" ) {
    return "<body bgcolor=\"#FFFFFF\"> <br />Problem is not open to be viewed. The problem $datemsg<br />";
         }
       } 
     }
     if ($target eq 'web') {
     my $args ='';      my $args ='';
     if ( $#$parstack > -1 ) {      if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
       $args=$$parstack[$#$parstack];  
     }  
     my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);      my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
     $Apache::inputtags::part='0';      if ($name eq '') { 
     my $expression='$external::part='.$Apache::inputtags::part.';';        $name=&Apache::lonnet::EXT('resource.title');
     $safeeval->share_from('Apache::inputtags',['@part']);        if ($name eq 'con_lost') { $name = ''; }
     &Apache::run::run($expression,$safeeval);      }
     return "<title>$name</title>\n<body bgcolor=#FFFFFF>\n<form name=\"lonhomework\" method=\"POST\" action=\"".$ENV{'request.uri'}."\">";      $Apache::lonhomework::name=$name;
   }       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=\"".$ENV{'request.uri'}."\">".'<input type="hidden" name="submitted" value="yes" />';
       } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' || $status eq 'CLOSED') {
         return "<title>$name</title>\n<body bgcolor=\"#FFFFFF\">\n";
       }
     }
     return '';
 }  }
   
 sub end_problem {  sub end_problem {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$parstack,$parser,$safeeval)=@_;
   my $result='';    my $result='';
     my $status=$Apache::inputtags::status['-1'];
   unless ($target eq 'meta') {    unless ($target eq 'meta') {
     $result="</form></body>\n";      if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&
          $status eq 'CAN_ANSWER') {
         # if part is zero, no <part>s existed, so we need to the grading
         &Apache::inputtags::grade;
       } elsif ($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' || $status eq 'CANNOT_ANSWER') {
    $result.="</body>\n"; 
         } 
       }
   } else {    } else {
     if ($Apache::inputtags::part ne '0') {      if ($Apache::inputtags::part eq '0') {
       $result=&Apache::response::mandatory_part_meta;        $result=&Apache::response::mandatory_part_meta;
     }      }
   }    }
Line 62  sub start_block { Line 112  sub start_block {
   my $code = @$parstack[$#$parstack];    my $code = @$parstack[$#$parstack];
   $code =~ s/\"//g;    $code =~ s/\"//g;
   $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",$$parser[$#$parser]);
 #    print "skipped $skip";      &Apache::lonxml::debug("skipping ahead :$skip: $$parser[$#$parser]");
   }    }
   return "";    return "";
 }  }
Line 125  sub start_randomlist { Line 175  sub start_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], $list_item</b>";
     }      }
     if($b_tok->[0] eq 'T') { # text      if($b_tok->[0] eq 'T') { # text
     # what to do with text in between tags?      # what to do with text in between tags?
       #  print "<B>TEXT $b_tok->[1]</B><BR>";        #  print "<b>TEXT $b_tok->[1]</b><br />";
     }      }
     # if($b_tok->[0] eq 'E') { # end tag, should not happen      # if($b_tok->[0] eq 'E') { # end tag, should not happen
       #  print "<B>END-TAG $b_tok->[1]</B><BR>";        #  print "<b>END-TAG $b_tok->[1]</b><br />";
     # }      # }
   }    }
   my @idx_arr = (0 .. $#randomlist);    my @idx_arr = (0 .. $#randomlist);
Line 165  sub start_part { Line 215  sub start_part {
   if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }    if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
   my $id = &Apache::run::run("{$args;".'return $id}',$safeeval);    my $id = &Apache::run::run("{$args;".'return $id}',$safeeval);
   $Apache::inputtags::part=$id;    $Apache::inputtags::part=$id;
     @Apache::inputtags::responselist = ();
   if ($target eq 'meta') {    if ($target eq 'meta') {
     return &Apache::response::mandatory_part_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 />Part is not open to be viewed. It $datemsg<br />";
         }
       }
   }    }
     return '';
 }  }
   
 sub end_part {  sub end_part {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$parstack,$parser,$safeeval)=@_;
     &Apache::lonxml::debug("in end_part $target ");
     my $status=$Apache::inputtags::status['-1'];
     pop @Apache::inputtags::status;
     if ( $target eq 'meta' ) { return ''; }
     if ( $target eq 'grade' && $status eq 'CAN_ANSWER') { 
       return &Apache::inputtags::grade; 
     }
     return &Apache::inputtags::gradestatus($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::inputtags::status['-1'] ne 'CANNOT_ANSWER' ) {
         &Apache::lonxml::get_all_text("/preduedate",$$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("/postanswerdate",$$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("/notsolved",$$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.1.17  
changed lines
  Added in v.1.33

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