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Diff for /loncom/homework/outputtags.pm between versions 1.32 and 1.52

version 1.32, 2003/09/08 18:36:39 version 1.52, 2008/11/14 21:27:17
Line 26 Line 26
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
   
   =head1 NAME
   
   Apache::outputtags;
   
   =head1 SYNOPSIS
   
   Handles tags associated with output. Seems to
   relate to due dates of the assignment.
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   =head1 HANDLER SUBROUTINE
   
   start_displayduedate()
   
   =head1 OTHER SUBROUTINES
   
   =over
   
   =item *
   
   initialize_outputtags() : Empties the hash of tags that have already been displayed that should only be displayed once.
   
   =item *
   
   end_displayduedate()
   
   =item *
   
   start_displaytitle()
   
   =item *
   
   end_displaytitle()
   
   =item *
   
   multipart()
   
   =item *
   
   start_displayweight()
   
   =item *
   
   end_displayweight()
   
   =item *
   
   start_displaystudentphoto()
   
   =item *
   
   end_displaystudentphoto()
   
   
   =back
   
   =cut
   
 package Apache::outputtags;   package Apache::outputtags; 
   
 use strict;  use strict;
   use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
 use POSIX qw(strftime);  use POSIX qw(strftime);
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::outputtags',('displayduedate','displaytitle','displayweight'));      &Apache::lonxml::register('Apache::outputtags',('displayduedate','displaytitle','displayweight','displaystudentphoto'));
 }  }
   
 sub initialize_outputtags {  sub initialize_outputtags {
     %Apache::outputtags::showonce=();      %Apache::outputtags::showonce=();
 }  }
   
   
 sub start_displayduedate {  sub start_displayduedate {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;      my $result;
   
       # Different parts can have different due dates... so we keep a list
       # of the parts for which we've displayed the duedate:
   
     if (exists($Apache::outputtags::showonce{'displayduedate'})) {      if (exists($Apache::outputtags::showonce{'displayduedate'})) {
  return '';   if (grep(/^\Q$Apache::inputtags::part\E$/,
     } else {   @{$Apache::outputtags::showonce{'displayduedate'}})) {
  $Apache::outputtags::showonce{'displayduedate'}=1;      return ''; # Already shown the duedate for this part.
    }
     }      }
       # since we will show the duedate for this part, remember it.
   
       push (@{$Apache::outputtags::showonce{'displayduedate'}},
     $Apache::inputtags::part);
   
       #  Determine the due date format:
       #
     my $status=$Apache::inputtags::status['-1'];      my $status=$Apache::inputtags::status['-1'];
     &Apache::lonxml::debug("got a $status in duedatebox");      &Apache::lonxml::debug("got a $status in duedatebox");
     my $style = &Apache::lonxml::get_param('style',$parstack,$safeeval);      my $style = &Apache::lonxml::get_param('style',$parstack,$safeeval);
     if (($status =~ /CAN.*_ANSWER/) && ($target eq 'web')) {      my $format = &Apache::lonxml::get_param('format', $parstack, $safeeval);
 # my $format = &Apache::lonxml::get_param('format',$parstack,$safeeval);      if (!$format) {
 # if ($format eq '') {   $format = undef;
 #    &Apache::lonxml::debug("using default format");      }
 #    $format="%c";      if (($status =~ /CAN.*_ANSWER/)) {
 # }  
  my $id = $Apache::inputtags::part;   my $id = $Apache::inputtags::part;
  my $date = &Apache::lonnet::EXT("resource.$id.duedate");   my $date = &Apache::lonhomework::due_date($id);
  &Apache::lonxml::debug("duedatebox found $date for $id");   &Apache::lonxml::debug("duedatebox found $date for $id");
  if (lc($style) !~ 'plain') {   
     $result ='<table border="on"><tr><td>Due '.   # Only show the due date if the current date is 
  &Apache::lonnavmaps::timeToHumanString($date).   # different from due date of the previous part.  I think
  '</td></tr></table>';   # this is probably the best way to avoid due date clutter.
  } else {  
     $result='Due '.&Apache::lonnavmaps::timeToHumanString($date);          my $showduedate = 1;
    my $part_count  = scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
    if ($part_count > 1) {
       my $prev_part_id = $Apache::outputtags::showonce{'displayduedate'}->[$part_count-2];
       my $prev_due_date = &Apache::lonnet::EXT("resource.$prev_part_id.duedate");
       if ($prev_due_date == $date) {
    $showduedate = 0;
       }
  }   }
 #        } else {  
 #    $result ='<table border="on"><tr><td>No due date set.</td></tr></table>';   if ($showduedate) {
 # }      my $duetext = &Apache::lonnavmaps::timeToHumanString($date, '', $format);
     } elsif ( $target eq 'edit' ) {      if ($target eq 'web') {
    if (lc($style) !~ 'plain') { 
       $result ='<table border="on"><tr><td>Due '.$duetext.'</td></tr></table>';
    } else {
       $result=&mt('Due').' '.$duetext;
    }
       } elsif ($target eq 'tex') {
    # For TeX we'll make the duedate tag work exactly like the 
    # duedate tag for web.
   
    my $duetext = &Apache::lonnavmaps::timeToHumanString($date, '', $format);
    if (lc($style) !~ 'plain') {
       # The due date will be put in a box.
       
       $result = '\framebox{'
             .&mt('Due').' '.$duetext.'}';
    } else {
       $result = &mt('Due') . ' '.$duetext;
    }
       }
    }
        
       } 
       if ( $target eq 'edit' ) {
  $result=&Apache::edit::tag_start($target,$token);   $result=&Apache::edit::tag_start($target,$token);
  $result.='</td></tr>';   $result.='</td></tr>';
  $result.=&Apache::edit::end_table();   $result.=&Apache::edit::end_table();
   
     }      }
     return $result;      return $result;
 }  }
Line 122  sub end_displaytitle { Line 227  sub end_displaytitle {
   
 sub multipart {  sub multipart {
     my ($uri)=@_;      my ($uri)=@_;
     if (!defined($uri)) { $uri=$ENV{'request.uri'}; }      if (!defined($uri)) { $uri=$env{'request.uri'}; }
       my ($symb)=&Apache::lonnet::whichuser();
   
     my @parts;      my @parts;
     my $metadata = &Apache::lonnet::metadata($uri,'packages');      my $metadata = &Apache::lonnet::metadata($uri,'packages');
     foreach (split(/\,/,$metadata)) {      foreach (split(/\,/,$metadata)) {
  if ($_ =~ /^part_(.*)$/) {   if ($_ =~ /^part_(.*)$/) {
     my $part = $1;      my $part = $1;
     if ($part ne '0') { push(@parts,$part); }      if ($part ne '0' 
    && !&Apache::loncommon::check_if_partid_hidden($part, 
          $symb)) {
    push(@parts,$part);
       }
  }   }
     }      }
     return @parts;      return @parts;
Line 145  sub start_displayweight { Line 256  sub start_displayweight {
     }      }
     push(@{$Apache::outputtags::showonce{'displayweight'}},      push(@{$Apache::outputtags::showonce{'displayweight'}},
  $Apache::inputtags::part);   $Apache::inputtags::part);
     my $status=$Apache::inputtags::status['-1'];  
     if ($target eq 'web' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'tex') {
  my $id = $Apache::inputtags::part;   my $id = $Apache::inputtags::part;
  if ($id ne '0') {   if ($id ne '0') {
Line 153  sub start_displayweight { Line 263  sub start_displayweight {
     if (!defined($weight) || ($weight eq '')) { $weight=1; }      if (!defined($weight) || ($weight eq '')) { $weight=1; }
     $result.=$weight;      $result.=$weight;
  } else {   } else {
     my @parts=&multipart($ENV{'request.uri'});      my @parts=&multipart($env{'request.uri'});
     my $weight;      my $weight;
     if (@parts) {      if (@parts) {
         foreach my $part (@parts) {          foreach my $part (@parts) {
Line 179  sub end_displayweight { Line 289  sub end_displayweight {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my @result;      my @result;
     if ($target eq 'edit') { $result[1]='no'; }      if ($target eq 'edit') { $result[1]='no'; }
       return @result;
   }
   
   sub start_displaystudentphoto {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my $result;
       my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
       if ($target eq 'web' && $user eq $env{'user.name'}) {
    my $url=&Apache::lonnet::studentphoto($domain,$user,"gif");
    my $args;
    my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
    if ($width) { $args.=" width=\"$width\" "; }
    my $height=&Apache::lonxml::get_param('heigth',$parstack,$safeeval);
    if ($height) { $args.=" height=\"$height\" "; }
    my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval);
    if ($align) { $args.=" align=\"$align\" "; }
    $result.=" <img $args src=\"$url\" alt=\"$user\@$domain\" />";
       }
       if ($target eq 'tex' && $env{'request.role'} =~ /^cc/) {
    my $url=&Apache::lonnet::studentphoto($domain,$user,"eps");
    my $ua=new LWP::UserAgent;
    my $request=new HTTP::Request('GET',$url);
    my $response=$ua->request($request);
    if ($response->is_success) {
       my $file=$user."_".$domain."_studentphoto.eps";
       open(FILE,">".$Apache::lonnet::perlvar{'lonPrtDir'}."/$file");
       print FILE $response->content;
       close(FILE);
       my $width_param=&Apache::londefdef::image_size($Apache::lonnet::perlvar{'lonPrtDir'}."/$file",'0.3',$parstack,$safeeval);
       $result.=' \graphicspath{{'.$Apache::lonnet::perlvar{'lonPrtDir'}.
    '}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
    } else {
       $result="$user\@$domain";
    }
       }
       return $result;
   }
   
   sub end_displaystudentphoto {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my @result;
       if ($target eq 'edit') { $result[1]='no'; }
     return @result;      return @result;
 }  }
   
Removed from v.1.32  
changed lines
  Added in v.1.52

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