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- have displaytitle use get_resource_name
- stop stupid latex escaping call latex_special_symbols

    1: # The LearningOnline Network with CAPA 
    2: # tags that create controlled output
    3: #
    4: # $Id: outputtags.pm,v 1.31 2003/08/13 18:50:43 albertel Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::outputtags; 
   30: 
   31: use strict;
   32: use Apache::lonnet;
   33: use POSIX qw(strftime);
   34: 
   35: BEGIN {
   36:     &Apache::lonxml::register('Apache::outputtags',('displayduedate','displaytitle','displayweight'));
   37: }
   38: 
   39: sub initialize_outputtags {
   40:     %Apache::outputtags::showonce=();
   41: }
   42: 
   43: sub start_displayduedate {
   44:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   45:     my $result;
   46:     if (exists($Apache::outputtags::showonce{'displayduedate'})) {
   47: 	return '';
   48:     } else {
   49: 	$Apache::outputtags::showonce{'displayduedate'}=1;
   50:     }
   51:     my $status=$Apache::inputtags::status['-1'];
   52:     &Apache::lonxml::debug("got a $status in duedatebox");
   53:     if (($status =~ /CAN.*_ANSWER/) && ($target eq 'web')) {
   54: #	my $format = &Apache::lonxml::get_param('format',$parstack,$safeeval);
   55: #	if ($format eq '') {
   56: #	    &Apache::lonxml::debug("using default format");
   57: #	    $format="%c";
   58: #	}
   59: 	my $id = $Apache::inputtags::part;
   60: 	my $date = &Apache::lonnet::EXT("resource.$id.duedate");
   61: 	&Apache::lonxml::debug("duedatebox found $date for $id");
   62: 	$result ='<table border="on"><tr><td>Due '.
   63: 	    &Apache::lonnavmaps::timeToHumanString($date).
   64: 		'</td></tr></table>';
   65: #        } else {
   66: #	    $result ='<table border="on"><tr><td>No due date set.</td></tr></table>';
   67: #	}
   68:     } elsif ( $target eq 'edit' ) {
   69: 	$result=&Apache::edit::tag_start($target,$token);
   70: 	$result.='</td></tr>';
   71: 	$result.=&Apache::edit::end_table();
   72:     }
   73:     return $result;
   74: }
   75: 
   76: sub end_displayduedate {
   77:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   78:     my @result;
   79:     if ($target eq 'edit') { $result[1]='no'; }
   80:     return @result;
   81: }
   82: 
   83: sub start_displaytitle {
   84:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   85:     my $result='';
   86:     if (exists($Apache::outputtags::showonce{'displayduetitle'})) {
   87: 	return '';
   88:     } else {
   89: 	$Apache::outputtags::showonce{'displayduetitle'}=1;
   90:     }
   91:     my $name=&Apache::structuretags::get_resource_name();
   92:     if ($target eq 'web') {
   93: 	$result="<h1>$name</h1>";
   94:     } elsif ($target eq 'edit') {
   95: 	$result=&Apache::edit::tag_start($target,$token);
   96: 	$result.='</td></tr>';
   97: 	$result.=&Apache::edit::end_table();
   98:     } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
   99: 	$name=&Apache::lonxml::latex_special_symbols($name);
  100: 	$result='\vskip 0 mm\noindent\textbf{'.$name.'}\vskip 0 mm';
  101:     }
  102:     return $result;
  103: }
  104: 
  105: sub end_displaytitle {
  106:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  107:     my @result;
  108:     if ($target eq 'edit') { $result[1]='no'; }
  109:     return @result;
  110: }
  111: 
  112: sub multipart {
  113:     my ($uri)=@_;
  114:     if (!defined($uri)) { $uri=$ENV{'request.uri'}; }
  115:     my @parts;
  116:     my $metadata = &Apache::lonnet::metadata($uri,'packages');
  117:     foreach (split(/\,/,$metadata)) {
  118: 	if ($_ =~ /^part_(.*)$/) {
  119: 	    my $part = $1;
  120: 	    if ($part ne '0') { push(@parts,$part); }
  121: 	}
  122:     }
  123:     return @parts;
  124: }
  125: 
  126: sub start_displayweight {
  127:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  128:     my $result;
  129:     if (exists($Apache::outputtags::showonce{'displayweight'})) {
  130: 	if(grep(/^\Q$Apache::inputtags::part\E$/,
  131: 		@{$Apache::outputtags::showonce{'displayweight'}})) {
  132: 	    return '';
  133: 	}
  134:     }
  135:     push(@{$Apache::outputtags::showonce{'displayweight'}},
  136: 	 $Apache::inputtags::part);
  137:     my $status=$Apache::inputtags::status['-1'];
  138:     if ($target eq 'web' || $target eq 'tex') {
  139: 	my $id = $Apache::inputtags::part;
  140: 	if ($id ne '0') {
  141: 	    my $weight = &Apache::lonnet::EXT("resource.$id.weight");
  142: 	    if (!defined($weight) || ($weight eq '')) { $weight=1; }
  143: 	    $result.=$weight;
  144: 	} else {
  145: 	    my @parts=&multipart($ENV{'request.uri'});
  146: 	    my $weight;
  147: 	    if (@parts) {
  148: 	        foreach my $part (@parts) {
  149: 		    my $pweight=&Apache::lonnet::EXT("resource.$part.weight");
  150: 		    if (!defined($pweight) || ($pweight eq '')) { $pweight=1; }
  151: 		    $weight+=$pweight;
  152: 	        }
  153: 	    } else {
  154: 		$weight = &Apache::lonnet::EXT("resource.$id.weight");
  155:                 if (!defined($weight) || ($weight eq '')) { $weight=1; }
  156: 	    }
  157: 	    $result=$weight;
  158: 	}
  159:     } elsif ( $target eq 'edit' ) {
  160: 	$result=&Apache::edit::tag_start($target,$token);
  161: 	$result.='</td></tr>';
  162: 	$result.=&Apache::edit::end_table();
  163:     }
  164:     return $result;
  165: }
  166: 
  167: sub end_displayweight {
  168:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  169:     my @result;
  170:     if ($target eq 'edit') { $result[1]='no'; }
  171:     return @result;
  172: }
  173: 
  174: 1;
  175: __END__