version 1.1, 2001/01/03 16:20:59
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version 1.23, 2002/01/01 20:33:15
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# The LearningOnline Network |
# The LearningOnline Network with CAPA |
# Navigate Maps |
# Navigate Maps Handler |
# |
# |
# (Internal Server Error Handler |
# $Id$ |
# |
# |
# (Login Screen |
# Copyright Michigan State University Board of Trustees |
# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, |
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# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) |
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# |
# |
# 3/1/1 Gerd Kortemeyer) |
# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
# |
# |
# 3/1 Gerd Kortemeyer |
# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
# |
# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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# (Page Handler |
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# |
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# (TeX Content Handler |
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# |
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# 05/29/00,05/30 Gerd Kortemeyer) |
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# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23, |
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# 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer) |
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# |
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# 3/1/1,6/1,17/1,29/1,30/1,2/8,9/21,9/24,9/25 Gerd Kortemeyer |
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# YEAR=2002 |
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# 1/1 Gerd Kortemeyer |
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# |
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package Apache::lonnavmaps; |
package Apache::lonnavmaps; |
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use strict; |
use strict; |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common :http); |
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use Apache::lonnet(); |
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use Apache::loncommon(); |
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use HTML::TokeParser; |
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use GDBM_File; |
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# -------------------------------------------------------------- Module Globals |
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my %hash; |
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my @rows; |
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# |
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# These cache hashes need to be independent of user, resource and course |
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# (user and course can/should be in the keys) |
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# |
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my %courserdatas; |
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my %userrdatas; |
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# |
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# These global hashes are dependent on user, course and resource, |
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# and need to be initialized every time when a sheet is calculated |
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# |
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my %courseopt; |
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my %useropt; |
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my %parmhash; |
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# ------------------------------------------------------------------ Euclid gcd |
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sub euclid { |
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my ($e,$f)=@_; |
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my $a; my $b; my $r; |
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if ($e>$f) { $b=$e; $r=$f; } else { $r=$e; $b=$f; } |
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while ($r!=0) { |
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$a=$b; $b=$r; |
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$r=$a%$b; |
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} |
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return $b; |
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} |
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# --------------------------------------------------------------------- Parmval |
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# -------------------------------------------- Figure out a cascading parameter |
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# |
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# For this function to work |
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# |
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# * parmhash needs to be tied |
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# * courseopt and useropt need to be initialized for this user and course |
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# |
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sub parmval { |
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my ($what,$symb)=@_; |
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my $cid=$ENV{'request.course.id'}; |
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my $csec=$ENV{'request.course.sec'}; |
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my $uname=$ENV{'user.name'}; |
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my $udom=$ENV{'user.domain'}; |
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unless ($symb) { return ''; } |
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my $result=''; |
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my ($mapname,$id,$fn)=split(/\_\_\_/,$symb); |
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# ----------------------------------------------------- Cascading lookup scheme |
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my $rwhat=$what; |
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$what=~s/^parameter\_//; |
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$what=~s/\_/\./; |
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my $symbparm=$symb.'.'.$what; |
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my $mapparm=$mapname.'___(all).'.$what; |
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my $usercourseprefix=$uname.'_'.$udom.'_'.$cid; |
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my $seclevel= |
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$usercourseprefix.'.['. |
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$csec.'].'.$what; |
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my $seclevelr= |
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$usercourseprefix.'.['. |
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$csec.'].'.$symbparm; |
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my $seclevelm= |
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$usercourseprefix.'.['. |
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$csec.'].'.$mapparm; |
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my $courselevel= |
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$usercourseprefix.'.'.$what; |
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my $courselevelr= |
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$usercourseprefix.'.'.$symbparm; |
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my $courselevelm= |
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$usercourseprefix.'.'.$mapparm; |
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# ---------------------------------------------------------- fourth, check user |
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if ($uname) { |
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if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; } |
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if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; } |
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if ($useropt{$courselevel}) { return $useropt{$courselevel}; } |
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} |
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# --------------------------------------------------------- third, check course |
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if ($csec) { |
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if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; } |
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if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; } |
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if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; } |
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} |
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if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; } |
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if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; } |
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if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; } |
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# ----------------------------------------------------- second, check map parms |
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my $thisparm=$parmhash{$symbparm}; |
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if ($thisparm) { return $thisparm; } |
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# -------------------------------------------------------- first, check default |
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return &Apache::lonnet::metadata($fn,$rwhat.'.default'); |
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} |
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# ------------------------------------------------------------- Find out status |
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sub astatus { |
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my $rid=shift; |
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my $code=1; |
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my $ctext=''; |
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$rid=~/(\d+)\.(\d+)/; |
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my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'. |
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&Apache::lonnet::declutter($hash{'src_'.$rid}); |
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my %duedate=(); |
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my %opendate=(); |
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my %answerdate=(); |
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map { |
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if ($_=~/^parameter\_(.*)\_opendate$/) { |
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my $part=$1; |
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$duedate{$part}=&parmval($part.'.duedate',$symb); |
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$opendate{$part}=&parmval($part.'.opendate',$symb); |
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$answerdate{$part}=&parmval($part.'.answerdate',$symb); |
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} |
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} sort split(/\,/,&Apache::lonnet::metadata($hash{'src_'.$rid},'keys')); |
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my $now=time; |
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my $tcode=0; |
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my %returnhash=&Apache::lonnet::restore($symb); |
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map { |
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my $duedate=$duedate{$_}; |
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my $opendate=$opendate{$_}; |
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my $answerdate=$answerdate{$_}; |
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my $preface=''; |
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unless ($_ eq '0') { $preface=' Part: '.$_.' '; } |
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if ($opendate) { |
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if ($now<$duedate) { |
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unless ($tcode==4) { $tcode=2; } |
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$ctext.=$preface.'Due: '.localtime($duedate); |
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if ($now<$opendate) { |
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unless ($tcode) { $tcode=1; } |
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$ctext.=$preface.'Open: '.localtime($opendate); |
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} |
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if ($duedate-$now<86400) { |
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$tcode=4; |
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$ctext.=$preface.'Due: '.localtime($duedate); |
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} |
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} else { |
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unless (($tcode==4) || ($tcode eq 2)) { $tcode=3; } |
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if ($now<$answerdate) { |
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$ctext.='Answer: '.localtime($duedate); |
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} |
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} |
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} else { |
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unless (($tcode==2) || ($tcode==4)) { $tcode=1; } |
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} |
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my $status=$returnhash{'resource.'.$_.'.solved'}; |
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if ($status eq 'correct_by_student') { |
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unless ($code==2) { $code=3; } |
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$ctext.=' solved'; |
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} elsif ($status eq 'correct_by_override') { |
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unless ($code==2) { $code=3; } |
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$ctext.=' override'; |
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} elsif ($status eq 'incorrect_attempted') { |
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$code=2; |
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$ctext.=' ('. |
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($returnhash{'resource.'.$_.'.tries'}? |
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$returnhash{'resource.'.$_.'.tries'}:'0').'/'. |
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&parmval($_.'.maxtries',$symb).' tries)'; |
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} elsif ($status eq 'incorrect_by_override') { |
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$code=2; |
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$ctext.=' override'; |
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} elsif ($status eq 'excused') { |
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unless ($code==2) { $code=3; } |
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$ctext.=' excused'; |
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} |
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} sort keys %opendate; |
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return 'p'.$code.$tcode.'"'.$ctext.'"'; |
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} |
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# ------------------------------------------------------------ Build page table |
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sub tracetable { |
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my ($sofar,$rid,$beenhere)=@_; |
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my $further=$sofar; |
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unless ($beenhere=~/\&$rid\&/) { |
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$beenhere.=$rid.'&'; |
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if (defined($hash{'is_map_'.$rid})) { |
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$sofar++; |
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my $tprefix=''; |
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if ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}} |
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eq 'sequence') { |
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$tprefix='h'; |
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} |
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if (defined($rows[$sofar])) { |
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$rows[$sofar].='&'.$tprefix.$rid; |
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} else { |
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$rows[$sofar]=$tprefix.$rid; |
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} |
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if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) && |
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(defined($hash{'map_finish_'.$hash{'src_'.$rid}})) && |
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($tprefix eq 'h')) { |
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my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; |
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$sofar= |
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&tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}}, |
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'&'.$frid.'&'); |
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$sofar++; |
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if ($hash{'src_'.$frid}) { |
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my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$frid}); |
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if (($brepriv eq '2') || ($brepriv eq 'F')) { |
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my $pprefix=''; |
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if ($hash{'src_'.$frid}=~ |
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/\.(problem|exam|quiz|assess|survey|form)$/) { |
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$pprefix=&astatus($frid); |
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} |
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if (defined($rows[$sofar])) { |
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$rows[$sofar].='&'.$pprefix.$frid; |
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} else { |
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$rows[$sofar]=$pprefix.$frid; |
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} |
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} |
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} |
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} |
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} else { |
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$sofar++; |
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if ($hash{'src_'.$rid}) { |
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my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid}); |
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if (($brepriv eq '2') || ($brepriv eq 'F')) { |
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my $pprefix=''; |
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if ($hash{'src_'.$rid}=~ |
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/\.(problem|exam|quiz|assess|survey|form)$/) { |
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$pprefix=&astatus($rid); |
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} |
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if (defined($rows[$sofar])) { |
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$rows[$sofar].='&'.$pprefix.$rid; |
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} else { |
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$rows[$sofar]=$pprefix.$rid; |
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} |
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} |
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} |
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} |
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if (defined($hash{'to_'.$rid})) { |
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my $mincond=1; |
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my $next=''; |
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map { |
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my $thiscond= |
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&Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); |
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if ($thiscond>=$mincond) { |
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if ($next) { |
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$next.=','.$_.':'.$thiscond; |
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} else { |
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$next=$_.':'.$thiscond; |
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} |
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if ($thiscond>$mincond) { $mincond=$thiscond; } |
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} |
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} split(/\,/,$hash{'to_'.$rid}); |
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map { |
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my ($linkid,$condval)=split(/\:/,$_); |
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if ($condval>=$mincond) { |
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my $now=&tracetable($sofar,$hash{'goesto_'.$linkid},$beenhere); |
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if ($now>$further) { $further=$now; } |
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} |
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} split(/\,/,$next); |
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} |
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} |
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return $further; |
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} |
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# ================================================================ Main Handler |
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sub handler { |
sub handler { |
my $r = shift; |
my $r=shift; |
$r->content_type('text/html'); |
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$r->send_http_header; |
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return OK if $r->header_only; |
# ------------------------------------------- Set document type for header only |
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# --------------------------------------------------- Print login screen header |
if ($r->header_only) { |
$r->print(<<ENDDOCUMENT); |
if ($ENV{'browser.mathml'}) { |
<html> |
$r->content_type('text/xml'); |
<head> |
} else { |
<title>The LearningOnline Network with CAPA</title> |
$r->content_type('text/html'); |
</head> |
} |
<body bgcolor="#FFFFFF"> |
$r->send_http_header; |
<h1>Navigate Maps</h1> |
return OK; |
<img src="/adm/lonKaputt/lonconstruct.gif"> |
} |
</body> |
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</html> |
my $requrl=$r->uri; |
ENDDOCUMENT |
# ----------------------------------------------------------------- Tie db file |
return OK; |
if ($ENV{'request.course.fn'}) { |
} |
my $fn=$ENV{'request.course.fn'}; |
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if (-e "$fn.db") { |
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if ((tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) && |
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(tie(%parmhash,'GDBM_File', |
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$ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) { |
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# ------------------------------------------------------------------- Hash tied |
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my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}}; |
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my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}}; |
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if (($firstres) && ($lastres)) { |
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# ----------------------------------------------------------------- Render page |
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# -------------------------------------------------------------- Set parameters |
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# ---------------------------- initialize coursedata and userdata for this user |
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undef %courseopt; |
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undef %useropt; |
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my $uname=$ENV{'user.name'}; |
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my $udom=$ENV{'user.domain'}; |
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my $uhome=$ENV{'user.home'}; |
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my $cid=$ENV{'request.course.id'}; |
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my $chome=$ENV{'course.'.$cid.'.home'}; |
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my ($cdom,$cnum)=split(/\_/,$cid); |
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my $userprefix=$uname.'_'.$udom.'_'; |
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unless ($uhome eq 'no_host') { |
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# -------------------------------------------------------------- Get coursedata |
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unless |
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((time-$courserdatas{$cid.'.last_cache'})<240) { |
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my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum. |
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':resourcedata',$chome); |
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if ($reply!~/^error\:/) { |
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$courserdatas{$cid}=$reply; |
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$courserdatas{$cid.'.last_cache'}=time; |
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} |
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} |
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map { |
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my ($name,$value)=split(/\=/,$_); |
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$courseopt{$userprefix.&Apache::lonnet::unescape($name)}= |
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&Apache::lonnet::unescape($value); |
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} split(/\&/,$courserdatas{$cid}); |
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# --------------------------------------------------- Get userdata (if present) |
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unless |
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((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) { |
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my $reply= |
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&Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome); |
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if ($reply!~/^error\:/) { |
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$userrdatas{$uname.'___'.$udom}=$reply; |
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$userrdatas{$uname.'___'.$udom.'.last_cache'}=time; |
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} |
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} |
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map { |
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my ($name,$value)=split(/\=/,$_); |
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$useropt{$userprefix.&Apache::lonnet::unescape($name)}= |
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&Apache::lonnet::unescape($value); |
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} split(/\&/,$userrdatas{$uname.'___'.$udom}); |
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} |
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@rows=(); |
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&tracetable(0,$firstres,'&'.$lastres.'&'); |
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if ($hash{'src_'.$lastres}) { |
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my $brepriv= |
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&Apache::lonnet::allowed('bre',$hash{'src_'.$lastres}); |
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if (($brepriv eq '2') || ($brepriv eq 'F')) { |
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$rows[$#rows+1]=''.$lastres; |
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} |
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} |
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# ------------------------------------------------------------------ Page parms |
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my $j; |
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my $i; |
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my $lcm=1; |
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my $contents=0; |
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# ---------------------------------------------- Go through table to get layout |
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for ($i=0;$i<=$#rows;$i++) { |
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if ($rows[$i]) { |
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$contents++; |
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my @colcont=split(/\&/,$rows[$i]); |
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$lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); |
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} |
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} |
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unless ($contents) { |
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$r->content_type('text/html'); |
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$r->send_http_header; |
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$r->print('<html><body>Empty Map.</body></html>'); |
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} else { |
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# ------------------------------------------------------------------ Build page |
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my $currenturl=$ENV{'form.postdata'}; |
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$currenturl=~s/^http\:\/\///; |
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$currenturl=~s/^[^\/]+//; |
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# ---------------------------------------------------------------- Send headers |
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$r->content_type('text/html'); |
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&Apache::loncommon::no_cache($r); |
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$r->send_http_header; |
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my $date=localtime; |
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my $now=time; |
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# ----------------------------------------- Get email status and discussiontime |
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my %emailstatus=&Apache::lonnet::dump('email_status'); |
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my $logouttime=$emailstatus{'logout'}; |
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my $courseleave= |
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$emailstatus{'logout_'.$ENV{'request.course.id'}}; |
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my $lastcheck= |
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($courseleave>$logouttime?$courseleave:$logouttime); |
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my %discussiontimes=&Apache::lonnet::dump( |
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'discussiontimes', |
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$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, |
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$ENV{'course.'.$ENV{'request.course.id'}.'.num'}); |
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my %feedback=(); |
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my %error=(); |
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foreach my $msgid ( |
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split(/\&/,&Apache::lonnet::reply('keys:'. |
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$ENV{'user.domain'}.':'. |
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$ENV{'user.name'}.':nohist_email', |
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$ENV{'user.home'}))) { |
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$msgid=&Apache::lonnet::unescape($msgid); |
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my $plain=&Apache::lonnet::unescape( |
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&Apache::lonnet::unescape($msgid)); |
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if ($plain=~/(Error|Feedback) \[([^\]]+)\]/) { |
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my ($what,$url)=($1,$2); |
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my %status= |
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&Apache::lonnet::get('email_status',[$msgid]); |
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if ($status{$msgid}=~/^error\:/) { |
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$status{$msgid}=''; |
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} |
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if (($status{$msgid} eq 'new') || |
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(!$status{$msgid})) { |
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if ($what eq 'Error') { |
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$error{$url}.=','.$msgid; |
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} else { |
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$feedback{$url}.=','.$msgid; |
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} |
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} |
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} |
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} |
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# ----------------------------------------------------------- Start Page Output |
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$r->print( |
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'<html><head><title>Navigate LON-CAPA Maps</title></head>'); |
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$r->print('<body bgcolor="#FFFFFF"'); |
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if (($currenturl=~/^\/res/) && |
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($currenturl!~/^\/res\/adm/)) { |
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$r->print(' onLoad="window.location.hash='. |
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"'curloc'".'"'); |
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} |
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$r->print('><script>window.focus();</script>'. |
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'<img align=right src=/adm/lonIcons/lonlogos.gif>'. |
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'<h1>Navigate Course Map</h1>'. |
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"<h3>$date</h3>"); |
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$r->rflush(); |
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$r->print( |
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'<img src="/adm/lonMisc/chat.gif"> New discussion since '. |
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localtime($lastcheck). |
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'<br><img src="/adm/lonMisc/feedback.gif"> New message (click to open)<p>'); |
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if (($currenturl=~/^\/res/) && |
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($currenturl!~/^\/res\/adm/)) { |
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$r->print('<a href="#curloc">Current Location</a><p>'); |
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} |
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# ----------------------------------------------------- The little content list |
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for ($i=0;$i<=$#rows;$i++) { |
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if ($rows[$i]) { |
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my @colcont=split(/\&/,$rows[$i]); |
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my $avespan=$lcm/($#colcont+1); |
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for ($j=0;$j<=$#colcont;$j++) { |
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my $rid=$colcont[$j]; |
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if ($rid=~/^h(.+)/) { |
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$rid=$1; |
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$r->print( |
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' <a href="#'.$rid.'">'.$hash{'title_'.$rid}.'</a><br>'); |
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} |
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} |
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} |
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} |
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# ----------------------------------------------------------------- Start table |
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$r->print('<hr><table cols="'.$lcm.'" border="0">'); |
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for ($i=0;$i<=$#rows;$i++) { |
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if ($rows[$i]) { |
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$r->print("\n<tr>"); |
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my @colcont=split(/\&/,$rows[$i]); |
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my $avespan=$lcm/($#colcont+1); |
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for ($j=0;$j<=$#colcont;$j++) { |
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my $rid=$colcont[$j]; |
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my $add='<td> '; |
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my $adde='</td>'; |
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my $hwk='<font color="#223322">'; |
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my $hwke='</font>'; |
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if ($rid=~/^h(.+)/) { |
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$rid=$1; |
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$add= |
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'<th bgcolor="#AAFF55"><a name="'.$rid.'">'; |
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$adde='</th>'; |
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} |
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if ($rid=~/^p(\d)(\d)\"([\w\: \(\)\/\,]*)\"(.+)/) { |
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my $code=$1; |
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my $tcode=$2; |
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my $ctext=$3; |
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$rid=$4; |
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if ($tcode eq '1') { |
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$add='<td bgcolor="#AAAAAA">'; |
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} |
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if ($code eq '3') { |
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$add='<td bgcolor="#AAFFAA">'; |
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} else { |
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$add='<td bgcolor="#FFAAAA">'; |
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if ($tcode eq '2') { |
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$add='<td bgcolor="#FFFFAA">'; |
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} |
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if ($tcode eq '4') { |
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$add='<td bgcolor="#FFFF33"><blink>'; |
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$adde='</blink></td>'; |
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} |
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} |
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$hwk='<font color="#888811"><b>'; |
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$hwke='</b></font>'; |
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if ($code eq '1') { |
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$hwke='</b> ('.$ctext.')</font>'; |
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} |
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if ($code eq '2') { |
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$hwk='<font color="#992222"><b>'; |
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$hwke='</b> ('.$ctext.')</font>'; |
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} |
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if ($code eq '3') { |
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$hwk='<font color="#229922"><b>'; |
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$hwke='</b> ('.$ctext.')</font>'; |
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} |
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} |
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if ($hash{'src_'.$rid} eq $currenturl) { |
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$add=$add.'<a name="curloc"></a>'. |
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'<font color=red size=+2><b>> </b></font>'; |
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$adde= |
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'<font color=red size=+2><b> <</b></font>'.$adde; |
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} |
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my $src= |
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&Apache::lonnet::declutter($hash{'src_'.$rid}); |
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$rid=~/^(\d+)\.(\d+)$/; |
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my $symb= |
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&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.$src; |
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if ($discussiontimes{$symb}>$lastcheck) { |
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$adde= |
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'<img border=0 src="/adm/lonMisc/chat.gif">'. |
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$adde; |
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} |
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if ($error{$src}) { |
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foreach (split(/\,/,$error{$src})) { |
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if ($_) { |
|
$adde= |
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' <a href="/adm/email?display='. |
|
&Apache::lonnet::escape($_). |
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'"><img src="/adm/lonMisc/bomb.gif" border=0></a>' |
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.$adde; |
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} |
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} |
|
} |
|
if ($feedback{$src}) { |
|
foreach (split(/\,/,$feedback{$src})) { |
|
if ($_) { |
|
$adde= |
|
' <a href="/adm/email?display='. |
|
&Apache::lonnet::escape($_). |
|
'"><img src="/adm/lonMisc/feedback.gif" border=0></a>' |
|
.$adde; |
|
} |
|
} |
|
} |
|
$r->print($add.'<a href="'.$hash{'src_'.$rid}. |
|
'">'.$hwk. |
|
$hash{'title_'.$rid}.$hwke.'</a>'.$adde); |
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} |
|
$r->print('</tr>'); |
|
} |
|
} |
|
$r->print("\n</table>"); |
|
$r->print('</body></html>'); |
|
# -------------------------------------------------------------------- End page |
|
} |
|
# ------------------------------------------------------------- End render page |
|
} else { |
|
$r->content_type('text/html'); |
|
$r->send_http_header; |
|
$r->print('<html><body>Coursemap undefined.</body></html>'); |
|
} |
|
# ------------------------------------------------------------------ Untie hash |
|
unless (untie(%hash)) { |
|
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
|
"Could not untie coursemap $fn (browse).</font>"); |
|
} |
|
unless (untie(%parmhash)) { |
|
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
|
"Could not untie parmhash (browse).</font>"); |
|
} |
|
# -------------------------------------------------------------------- All done |
|
return OK; |
|
# ----------------------------------------------- Errors, hash could no be tied |
|
} |
|
} |
|
} |
|
|
|
$ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
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1; |
1; |
__END__ |
__END__ |
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