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

Diff for /loncom/homework/lonhomework.pm between versions 1.8 and 1.18

version 1.8, 2000/08/11 14:57:32 version 1.18, 2000/12/04 22:08:57
Line 1 Line 1
 # The LON-CAPA Homework handler  # The LON-CAPA Homework handler
 # Guy Albertelli  # Guy Albertelli
   # 11/30 Gerd Kortemeyer
   
 package Apache::lonhomework;  package Apache::lonhomework;
 use strict;  use strict;
Line 8  use Apache::lonxml; Line 9  use Apache::lonxml;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::inputtags;  use Apache::inputtags;
 use Apache::structuretags;  use Apache::structuretags;
   use Apache::response;
   
 sub handler {  
   my $request=shift;  
   
   my $target=&get_target();  
   $request->content_type('text/html');  
   $request->send_http_header;  
   &Apache::lonhomework::send_header($request);  
   my $file = "/home/httpd/html".$request->uri;  
   my %mystyle;  
   my $result = '';  
   &Apache::inputtags::initialize_inputtags;  
   $result = Apache::lonxml::xmlparse($target, &getfile($file),  
  &getfile('/home/httpd/html/res/103/albertel/default_homework').&setup_vars($target),%mystyle);  
   #$request->print("Result follows:");  
   $request->print($result);  
   #$request->print(":Result ends");  
   &Apache::lonhomework::send_footer($request);  
 }  
   
 sub get_target {  sub get_target {
   return "web";    if ( $ENV{'request.state'} eq "published") {
       if ( defined $ENV{'form.submit'}) {
         return ('grade', 'web');
       } else {
         return ('web');
       }
     } elsif ($ENV{'request.state'} eq "construct") {
       if ( defined $ENV{'form.preview'}) {
         if ( defined $ENV{'form.submit'}) {
    return ('grade', 'web');
         } else {
    return ('web');
         }
       } else {
         return ('edit');
       }
     }
     return ();
 }  }
   
 sub setup_vars {  sub setup_vars {
   my ($target) = @_;    my ($target) = @_;
   return ';$external::target='.$target.';';    return ';'
   #  return ';$external::target='.$target.';';
 }  }
   
 sub send_header {  sub send_header {
   my ($request)= @_;    my ($request)= @_;
   $request->print('<html>');    $request->print(&Apache::lontexconvert::header());
   $request->print('<form method="POST" action="'.$request->uri.'">');    $ENV{'request.uri'}=$request->uri;
   #  $request->print('<form name='.$ENV{'form.request.prefix'}.'lonhomework method="POST" action="'.$request->uri.'">');
 }  }
   
 sub send_footer {  sub send_footer {
   my ($request)= @_;    my ($request)= @_;
   $request->print('</form>');  #  $request->print('</form>');
   $request->print('</html>');    $request->print(&Apache::lontexconvert::footer());
 }  }
   
 sub getfile {  sub handler {
   my ($filename) = @_;    my $request=$_[0];
   my $a="";  
   if (! -e $filename ) {    $Apache::lonxml::debug=1;
     &Apache::lonnet::subscribe($filename);    
     &Apache::lonnet::repcopy($filename);    my (@targets) = &get_target();
   
     if ($ENV{'browser.mathml'}) {
       $request->content_type('text/xml');
     } else {
       $request->content_type('text/html');
   }    }
   {    $request->send_http_header;
     my $fh=Apache::File->new($filename);    return 'OK' if $request->header_only;
     
     &Apache::lonhomework::send_header($request);
     
     foreach my $target (@targets) {
       my $file=&Apache::lonnet::filelocation("",$request->uri);
       my $problem=&Apache::lonnet::getfile($file);
       if ($problem == -1) {
         &Apache::lonxml::error("<b> Unable to find <i>$file</i></b>");
         $problem='';
       }
       
       my %mystyle;
       my $result = '';
       &Apache::inputtags::initialize_inputtags;
       %Apache::lonhomework::results=();
       %Apache::lonhomework::history=&Apache::lonnet::restore;
       #ignore error conditions
       my ($temp)=keys %Apache::lonhomework::history ;
       if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); } 
       
       if ($target eq 'grade') {
         my $resultkey;
         foreach $resultkey (sort keys %Apache::lonhomework::history) {
    &Apache::lonxml::debug("$resultkey ---- $Apache::lonhomework::history{$resultkey}");
         }
         &Apache::lonxml::debug("\n<br>restored values^</br>\n");
       }
       my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm');
       if ($default == -1) {
         &Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");
         $default='';
       }
       if ( $target eq 'grade') { 
         $Apache::lonxml::textredirection = 0; 
       } else {
         $Apache::lonxml::textredirection = 1; 
       }
       $result = &Apache::lonxml::xmlparse($target, $problem,
    $default.&setup_vars($target),%mystyle);
   
     while (<$fh>) {      #$request->print("Result follows:");
       $a .=$_;      $request->print($result);
       #$request->print(":Result ends");
       if ($target eq 'grade') {
         my $resultkey;
         foreach $resultkey (sort keys %Apache::lonhomework::results) {
    &Apache::lonxml::debug("$resultkey ---- $Apache::lonhomework::results{$resultkey}");
         }
         &Apache::lonxml::debug("\n<br>storing values^</br>\n");
       }
       
       my ($temp) = keys %Apache::lonhomework::results;
       if ( $temp ne '' ) {
         &Apache::lonxml::debug("Store return message:".&Apache::lonnet::cstore(%Apache::lonhomework::results));
     }      }
   }    }
   return $a    &Apache::lonhomework::send_footer($request);
     
     return 'OK';
   
 }  }
   
 1;  1;
Removed from v.1.8  
changed lines
  Added in v.1.18

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