version 1.22, 2000/12/19 23:22:22
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version 1.85, 2002/08/07 18:20:29
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# The LearningOnline Network with CAPA |
# The LON-CAPA Homework handler |
# The LON-CAPA Homework handler |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# 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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# |
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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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# |
# Guy Albertelli |
# Guy Albertelli |
# 11/30 Gerd Kortemeyer |
# 11/30 Gerd Kortemeyer |
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# 6/1,8/17,8/18 Gerd Kortemeyer |
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# 7/18 Jeremy Bowers |
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package Apache::lonhomework; |
package Apache::lonhomework; |
use strict; |
use strict; |
use Apache::style; |
use Apache::style(); |
use Apache::lonxml; |
use Apache::lonxml(); |
use Apache::lonnet; |
use Apache::lonnet(); |
use Apache::inputtags; |
use Apache::lonplot(); |
use Apache::structuretags; |
use Apache::inputtags(); |
use Apache::response; |
use Apache::structuretags(); |
use Apache::hint; |
use Apache::randomlabel(); |
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use Apache::response(); |
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use Apache::hint(); |
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use Apache::outputtags(); |
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use Apache::caparesponse(); |
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use Apache::radiobuttonresponse(); |
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use Apache::optionresponse(); |
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use Apache::imageresponse(); |
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use Apache::essayresponse(); |
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use Apache::externalresponse(); |
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use Apache::Constants qw(:common); |
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use HTML::Entities(); |
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use Apache::loncommon(); |
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#use Time::HiRes qw( gettimeofday tv_interval ); |
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BEGIN { |
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&Apache::lonxml::register_insert(); |
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} |
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sub get_target { |
sub get_target { |
if ( $ENV{'request.state'} eq "published") { |
if ( $ENV{'request.state'} eq "published") { |
if ( defined $ENV{'form.submit'}) { |
if ( defined($ENV{'form.grade_target'}) |
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&& ($Apache::lonhomework::viewgrades == 'F' )) { |
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return ($ENV{'form.grade_target'}); |
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} |
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if ( defined($ENV{'form.submitted'})) { |
return ('grade', 'web'); |
return ('grade', 'web'); |
} else { |
} else { |
return ('web'); |
return ('web'); |
} |
} |
} elsif ($ENV{'request.state'} eq "construct") { |
} elsif ($ENV{'request.state'} eq "construct") { |
if ( defined $ENV{'form.preview'}) { |
if ( defined($ENV{'form.grade_target'}) ) { |
if ( defined $ENV{'form.submit'}) { |
return ($ENV{'form.grade_target'}); |
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} |
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if ( defined($ENV{'form.preview'})) { |
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if ( defined($ENV{'form.submitted'})) { |
return ('grade', 'web'); |
return ('grade', 'web'); |
} else { |
} else { |
return ('web'); |
return ('web'); |
} |
} |
} else { |
} else { |
return ('edit'); |
if ( $ENV{'form.problemmode'} eq 'View' ) { |
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if ( defined($ENV{'form.submitted'}) && |
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(!defined($ENV{'form.resetdata'})) ) { |
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return ('grade', 'web','answer'); |
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} else { |
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return ('web','answer'); |
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} |
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} elsif ( $ENV{'form.problemmode'} eq 'Edit' ) { |
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if ( $ENV{'form.submitted'} eq 'edit' ) { |
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if ( $ENV{'form.submit'} eq 'Submit Changes and View' ) { |
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return ('modified','web','answer'); |
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} else { |
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return ('modified','edit'); |
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} |
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} else { |
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return ('edit'); |
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} |
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} else { |
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return ('web'); |
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} |
} |
} |
} |
} |
return (); |
return (); |
Line 42 sub setup_vars {
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Line 113 sub setup_vars {
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sub send_header { |
sub send_header { |
my ($request)= @_; |
my ($request)= @_; |
$request->print(&Apache::lontexconvert::header()); |
$request->print(&Apache::lontexconvert::header()); |
$ENV{'request.uri'}=$request->uri; |
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# $request->print('<form name='.$ENV{'form.request.prefix'}.'lonhomework method="POST" action="'.$request->uri.'">'); |
# $request->print('<form name='.$ENV{'form.request.prefix'}.'lonhomework method="POST" action="'.$request->uri.'">'); |
} |
} |
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sub createmenu { |
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my ($which,$request)=@_; |
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if ($which eq 'grade') { |
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$request->print('<script language="JavaScript"> |
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hwkmenu=window.open("/res/adm/pages/homeworkmenu.html","homeworkremote", |
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"height=350,width=150,menubar=no"); |
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</script>'); |
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} |
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} |
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sub send_footer { |
sub send_footer { |
my ($request)= @_; |
my ($request)= @_; |
# $request->print('</form>'); |
# $request->print('</form>'); |
$request->print(&Apache::lontexconvert::footer()); |
$request->print(&Apache::lontexconvert::footer()); |
} |
} |
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#@Apache::lonhomework::date_status=(); |
$Apache::lonxml::browse=''; |
#@Apache::lonhomework::date_msg=(); |
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sub check_date { |
sub check_access { |
my ($id) = @_; |
my ($id) = @_; |
my $date =''; |
my $date =''; |
my $status = ''; |
my $status = ''; |
Line 64 sub check_date {
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Line 144 sub check_date {
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my $type; |
my $type; |
my $passed; |
my $passed; |
&Apache::lonxml::debug("checking for part :$id:"); |
&Apache::lonxml::debug("checking for part :$id:"); |
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&Apache::lonxml::debug("time:".time); |
foreach $temp ("opendate","duedate","answerdate") { |
foreach $temp ("opendate","duedate","answerdate") { |
$lastdate = $date; |
$lastdate = $date; |
$date = &Apache::lonnet::EXT("resource.$id.$temp"); |
$date = &Apache::lonnet::EXT("resource.$id.$temp"); |
&Apache::lonxml::debug("found :$date: for :$temp:"); |
&Apache::lonxml::debug("found :$date: for :$temp:"); |
if ($date eq '') { |
if ($date eq '') { |
$date = "an unknown date"; $passed = 0; |
$date = "an unknown date"; $passed = 0; |
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} elsif ($date eq 'con_lost') { |
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$date = "an indeterminate date"; $passed = 0; |
} else { |
} else { |
if (time < $date) { $passed = 0; } else { $passed = 1; } |
if (time < $date) { $passed = 0; } else { $passed = 1; } |
$date = localtime $date; |
$date = localtime $date; |
Line 88 sub check_date {
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Line 171 sub check_date {
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$datemsg = "is due at $date"; |
$datemsg = "is due at $date"; |
} elsif ($type eq 'answerdate') { |
} elsif ($type eq 'answerdate') { |
$status='CLOSED'; |
$status='CLOSED'; |
$datemsg = "was due as $lastdate, and asnswers will be available at $date"; |
$datemsg = "was due on $lastdate, and answers will be available on $date"; |
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} |
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if ($status eq 'CAN_ANSWER') { |
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#check #tries |
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my $tries = $Apache::lonhomework::history{"resource.$id.tries"}; |
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my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries"); |
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if ( $tries eq '' ) { $tries = '0'; } |
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if ( $maxtries eq '' ) { $maxtries = '2'; } |
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if ($tries >= $maxtries) { $status = 'CANNOT_ANSWER'; } |
} |
} |
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if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') && |
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(!$Apache::lonhomework::history{"resource.0.outtoken"})) { |
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return ('UNCHECKEDOUT','needs to be checked out'); |
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} |
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&Apache::lonxml::debug("sending back :$status:$datemsg:"); |
&Apache::lonxml::debug("sending back :$status:$datemsg:"); |
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if (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED')) { |
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&Apache::lonxml::debug("should be allowed to browse a resource when closed"); |
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$status='CAN_ANSWER'; |
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$datemsg='is closed but you are allowed to view it'; |
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} |
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if ($ENV{'request.state'} eq "construct") { |
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&Apache::lonxml::debug("in construction ignoring dates"); |
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$status='CAN_ANSWER'; |
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$datemsg='is in under construction'; |
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} |
return ($status,$datemsg); |
return ($status,$datemsg); |
} |
} |
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sub handler { |
sub showhash { |
my $request=$_[0]; |
my (%hash) = @_; |
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&showhashsubset(\%hash,''); |
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return ''; |
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} |
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if ( $ENV{'user.name'} eq 'albertel' ) { $Apache::lonxml::debug=1; } |
sub showhashsubset { |
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my ($hash,$keyre) = @_; |
my (@targets) = &get_target(); |
my $resultkey; |
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foreach $resultkey (sort keys %$hash) { |
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if ($resultkey =~ /$keyre/) { |
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if (ref($$hash{$resultkey})) { |
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if ($$hash{$resultkey} =~ /ARRAY/ ) { |
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my $string="$resultkey ---- ("; |
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foreach my $elm (@{ $$hash{$resultkey} }) { |
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$string.="$elm,"; |
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} |
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chop($string); |
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&Apache::lonxml::debug("$string)"); |
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} else { |
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&Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}"); |
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} |
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} else { |
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&Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}"); |
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} |
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} |
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} |
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&Apache::lonxml::debug("\n<br />restored values^</br>\n"); |
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return ''; |
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} |
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sub setuppermissions { |
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$Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$ENV{'request.filename'}); |
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$Apache::lonhomework::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}); |
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return '' |
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} |
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sub setupheader { |
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my $request=$_[0]; |
if ($ENV{'browser.mathml'}) { |
if ($ENV{'browser.mathml'}) { |
$request->content_type('text/xml'); |
$request->content_type('text/xml'); |
} else { |
} else { |
$request->content_type('text/html'); |
$request->content_type('text/html'); |
} |
} |
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if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) { |
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&Apache::loncommon::no_cache($request); |
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} |
$request->send_http_header; |
$request->send_http_header; |
return 'OK' if $request->header_only; |
return OK if $request->header_only; |
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return '' |
&Apache::lonhomework::send_header($request); |
} |
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#check if allowed to see |
sub handle_save_or_undo { |
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my ($request,$problem,$result) = @_; |
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my $file = &Apache::lonnet::filelocation("",$request->uri); |
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my $filebak =$file.".bak"; |
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my $filetmp =$file.".tmp"; |
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my $error=0; |
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if ($ENV{'form.Undo'} eq 'undo') { |
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my $error=0; |
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if (!copy($file,$filetmp)) { $error=1; } |
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if ((!$error) && (!copy($filebak,$file))) { $error=1; } |
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if ((!$error) && (!move($filetmp,$filebak))) { $error=1; } |
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if (!$error) { |
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$request->print("<p><b>Undid changes, Switched $filebak and $file</b></p>"); |
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} else { |
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$request->print("<p><font color=\"red\" size=\"+1\"><b>Unable to undo, unable to switch $filebak and $file</b></font></p>"); |
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$error=1; |
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} |
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} else { |
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my $fs=Apache::File->new(">$filebak"); |
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if (defined($fs)) { |
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print $fs $$problem; |
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$request->print("<b>Making Backup to $filebak</b><br />"); |
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} else { |
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$request->print("<font color=\"red\" size=\"+1\"><b>Unable to make backup $filebak</b></font>"); |
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$error=2; |
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} |
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my $fh=Apache::File->new(">$file"); |
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if (defined($fh)) { |
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print $fh $$result; |
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$request->print("<b>Saving Modifications to $file</b><br />"); |
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} else { |
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$request->print("<font color=\"red\" size=\"+1\"><b>Unable to write to $file</b></font>"); |
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$error|=4; |
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} |
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} |
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return $error; |
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} |
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sub analyze { |
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my ($request,$file) = @_; |
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&Apache::lonxml::debug("Analyze"); |
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my $result=&Apache::lonnet::ssi($request->uri,('grade_target' => 'analyze')); |
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&Apache::lonxml::debug(":$result:"); |
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(my $garbage,$result)=split(/_HASH_REF__/,$result,2); |
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&showhash(&Apache::lonnet::str2hash($result)); |
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return $result; |
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} |
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sub editxmlmode { |
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my ($request,$file) = @_; |
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my $result; |
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my $problem=&Apache::lonnet::getfile($file); |
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if ($problem == -1) { |
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&Apache::lonxml::error("<b> Unable to find <i>$file</i></b>"); |
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$problem=''; |
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} |
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if (defined($ENV{'form.editxmltext'}) || defined($ENV{'form.Undo'})) { |
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my $error=&handle_save_or_undo($request,\$problem, |
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\$ENV{'form.editxmltext'}); |
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if (!$error) { $problem=&Apache::lonnet::getfile($file); } |
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} |
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&Apache::lonhomework::showhashsubset(\%ENV,'^form'); |
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if ( $ENV{'form.submit'} eq 'Submit Changes and View' ) { |
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&Apache::lonhomework::showhashsubset(\%ENV,'^form'); |
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$ENV{'form.problemmode'}='View'; |
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&renderpage($request,$file); |
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} else { |
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my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem); |
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my $xml_help = Apache::loncommon::help_open_topic("Problem_Editor_XML_Index"); |
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if ($cols > 80) { $cols = 80; } |
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$result.='<html><body bgcolor="#FFFFFF"> |
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<form name="lonhomework" method="POST" action="'. |
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$ENV{'request.uri'}.'"> |
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<input type="hidden" name="problemmode" value="EditXML" /> |
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<input type="submit" name="problemmode" value="Discard Edits and View" /> |
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<input type="submit" name="problemmode" value="Edit" /> |
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<hr /> |
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<input type="submit" name="submit" value="Submit Changes" /> |
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<input type="submit" name="submit" value="Submit Changes and View" /> |
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<input type="submit" name="Undo" value="undo" /> |
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<hr /> |
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' . $xml_help . ' Problem Help<br> |
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<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'. |
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&HTML::Entities::encode($problem).'</textarea> |
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</form></body></html>'; |
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$request->print($result); |
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} |
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return ''; |
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} |
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sub renderpage { |
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my ($request,$file) = @_; |
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my (@targets) = &get_target(); |
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&Apache::lonxml::debug("Running targets ".join(':',@targets)); |
foreach my $target (@targets) { |
foreach my $target (@targets) { |
my $file=&Apache::lonnet::filelocation("",$request->uri); |
#my $t0 = [&gettimeofday()]; |
my $problem=&Apache::lonnet::getfile($file); |
my $problem=&Apache::lonnet::getfile($file); |
if ($problem == -1) { |
if ($problem == -1) { |
&Apache::lonxml::error("<b> Unable to find <i>$file</i></b>"); |
&Apache::lonxml::error("<b> Unable to find <i>$file</i></b>"); |
$problem=''; |
$problem=''; |
} |
} |
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my %mystyle; |
my %mystyle; |
my $result = ''; |
my $result = ''; |
&Apache::inputtags::initialize_inputtags; |
&Apache::inputtags::initialize_inputtags; |
%Apache::lonhomework::results=(); |
&Apache::edit::initialize_edit; |
%Apache::lonhomework::history=&Apache::lonnet::restore; |
if ($target eq 'analyze') { %Apache::lonhomework::anaylze=(); } |
#ignore error conditions |
if ($target eq 'web') { |
my ($temp)=keys %Apache::lonhomework::history ; |
my ($symb)=&Apache::lonxml::whichuser(); |
if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); } |
if ($symb eq '') { |
if ($target eq 'web' && &Apache::lonnet::symbread() eq '') { |
if ($ENV{'request.state'} eq "construct") { |
$request->print("Vieiwing this problem as not a student, submissions will be ignored."); |
} else { |
} |
my $help = Apache::loncommon::help_open_topic("Ambiguous_Reference"); |
if ($target eq 'grade') { |
$request->print("Browsing or <a href=\"/adm/ambiguous\">ambiguous</a> reference, submissions ignored $help<br />"); |
my $resultkey; |
} |
foreach $resultkey (sort keys %Apache::lonhomework::history) { |
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&Apache::lonxml::debug("$resultkey ---- $Apache::lonhomework::history{$resultkey}"); |
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} |
} |
&Apache::lonxml::debug("\n<br>restored values^</br>\n"); |
#if ($Apache::lonhomework::viewgrades eq 'F') {&createmenu('grade',$request); } |
} |
} |
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if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); } |
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if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%ENV,'^form');} |
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my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm'); |
my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm'); |
if ($default == -1) { |
if ($default == -1) { |
&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>"); |
&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>"); |
$default=''; |
$default=''; |
} |
} |
if ( $target eq 'grade') { |
&Apache::lonxml::debug("Should be parsing now"); |
$Apache::lonxml::textredirection = 0; |
$result = &Apache::lonxml::xmlparse($request, $target, $problem, |
} else { |
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$Apache::lonxml::textredirection = 1; |
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} |
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$result = &Apache::lonxml::xmlparse($target, $problem, |
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$default.&setup_vars($target),%mystyle); |
$default.&setup_vars($target),%mystyle); |
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#$request->print("Result follows:"); |
#$request->print("Result follows:"); |
$request->print($result); |
if ($target eq 'modified') { |
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&handle_save_or_undo($request,\$problem,\$result); |
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} else { |
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if ($target eq 'analyze') { |
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$result=&Apache::lonnet::hashref2str(\%Apache::lonhomework::analyze); |
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undef(%Apache::lonhomework::analyze); |
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} |
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#my $td=&tv_interval($t0); |
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#if ( $Apache::lonxml::debug) { |
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#$result =~ s:</body>::; |
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#$result.="<br />Spent $td seconds processing target $target\n</body>"; |
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#} |
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$request->print($result); |
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} |
#$request->print(":Result ends"); |
#$request->print(":Result ends"); |
if ($target eq 'grade') { |
#my $td=&tv_interval($t0); |
my $resultkey; |
} |
foreach $resultkey (sort keys %Apache::lonhomework::results) { |
} |
&Apache::lonxml::debug("$resultkey ---- $Apache::lonhomework::results{$resultkey}"); |
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} |
# with no arg it returns a HTML <option> list of the template titles |
&Apache::lonxml::debug("\n<br>storing values^</br>\n"); |
# with one arg it returns the filename associated with the arg passed |
} |
sub get_template_list { |
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my ($namewanted,$extension) = @_; |
my ($temp) = keys %Apache::lonhomework::results; |
my $result; |
if ( $temp ne '' ) { |
my @allnames; |
&Apache::lonxml::debug("Store return message:".&Apache::lonnet::cstore(%Apache::lonhomework::results)); |
&Apache::lonxml::debug("Looking for :$extension:"); |
} |
foreach my $file (</home/httpd/html/res/adm/includes/templates/*.$extension>) { |
} |
my $name=&Apache::lonnet::metadata($file,'title'); |
&Apache::lonhomework::send_footer($request); |
if ($namewanted && ($name eq $namewanted)) { |
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$result=$file; |
return 'OK'; |
last; |
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} else { |
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push (@allnames, $name); |
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} |
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} |
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if (@allnames) { |
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$result="<option>Select a $extension type</option>\n<option>". |
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join('</option><option>',sort(@allnames)).'</option>'; |
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} |
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return $result; |
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} |
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|
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sub newproblem { |
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my ($request) = @_; |
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my $extension=$request->uri; |
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$extension=~s:^.*\.([\w]+)$:$1:; |
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&Apache::lonxml::debug("Looking for :$extension:"); |
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if ($ENV{'form.template'} && |
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$ENV{'form.template'} ne "Select a $extension type") { |
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use File::Copy; |
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my $file = &get_template_list($ENV{'form.template'},$extension); |
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my $dest = &Apache::lonnet::filelocation("",$request->uri); |
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copy($file,$dest); |
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&renderpage($request,$dest); |
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} elsif($ENV{'form.newfile'}) { |
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# I don't like hard-coded filenames but for now, this will work. |
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use File::Copy; |
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my $templatefilename = |
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$request->dir_config('lonIncludes').'/templates/blank.problem'; |
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&Apache::lonxml::debug("$templatefilename"); |
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my $dest = &Apache::lonnet::filelocation("",$request->uri); |
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copy($templatefilename,$dest); |
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&renderpage($request,$dest); |
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} else { |
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my $templatelist=&get_template_list('',$extension); |
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my $url=$request->uri; |
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my $dest = &Apache::lonnet::filelocation("",$request->uri); |
|
my $instructions; |
|
if ($templatelist) { $instructions=", select a template from the pull-down menu below. Then";} |
|
$request->print(<<ENDNEWPROBLEM); |
|
<body bgcolor="#FFFFFF"> |
|
The requested file $url doesn\'t exist. <br /> |
|
To create a new $extension$instructions click on the Create $extension button. |
|
<form action="$url" method="POST"> |
|
ENDNEWPROBLEM |
|
if (defined($templatelist)) { |
|
$request->print("<select name=\"template\">$templatelist</select>"); |
|
} |
|
$request->print("<br /><input type=\"submit\" name=\"newfile\" value=\"Create $extension\" />"); |
|
$request->print("</form></body>"); |
|
} |
|
return ''; |
|
} |
|
|
|
sub view_or_edit_menu { |
|
my ($request) = @_; |
|
my $url=$request->uri; |
|
$request->print(<<EDITMENU); |
|
<body bgcolor="#FFFFFF"> |
|
<form action="$url" method="POST"> |
|
Would you like to <input type="submit" name="problemmode" value="View"> or |
|
<input type="submit" name="problemmode" value="Edit"> the problem. |
|
</form> |
|
</body> |
|
EDITMENU |
|
} |
|
|
|
sub handler { |
|
#my $t0 = [&gettimeofday()]; |
|
my $request=$_[0]; |
|
|
|
if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} |
|
|
|
if (&setupheader($request)) { return OK; } |
|
$ENV{'request.uri'}=$request->uri; |
|
|
|
#setup permissions |
|
$Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$ENV{'request.filename'}); |
|
$Apache::lonhomework::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}); |
|
&Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:"); |
|
# some times multiple problemmodes are submitted, need to select |
|
# the last one |
|
&Apache::lonxml::debug("Problem Mode ".$ENV{'form.problemmode'}); |
|
if ( defined($ENV{'form.problemmode'}) && |
|
ref($ENV{'form.problemmode'}) ) { |
|
&Apache::lonxml::debug("Problem Mode ".join(",",@$ENV{'form.problemmode'})); |
|
my $mode=$ENV{'form.problemmode'}->[-1]; |
|
undef $ENV{'form.problemmode'}; |
|
$ENV{'form.problemmode'}=$mode; |
|
} |
|
&Apache::lonxml::debug("Problem Mode ".$ENV{'form.problemmode'}); |
|
my $file=&Apache::lonnet::filelocation("",$request->uri); |
|
|
|
#check if we know where we are |
|
if ($ENV{'request.course.fn'} && !&Apache::lonnet::symbread()) { |
|
# if we are browsing we might not be able to know where we are |
|
if ($Apache::lonhomework::browse ne 'F') { |
|
#should know where we are, so ask |
|
$request->internal_redirect('/adm/ambiguous'); return; |
|
} |
|
} |
|
|
|
if ($ENV{'request.state'} eq "construct") { |
|
if ($ENV{'form.resetdata'} eq 'Reset Submissions') { |
|
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); |
|
&Apache::lonnet::tmpreset($symb,'',$domain,$name); |
|
} |
|
if ( -e $file ) { |
|
if (!(defined $ENV{'form.problemmode'})) { |
|
#first visit to problem in construction space |
|
#&view_or_edit_menu($request); |
|
$ENV{'form.problemmode'}='View'; |
|
&renderpage($request,$file); |
|
} elsif ($ENV{'form.problemmode'} eq 'EditXML') { |
|
&editxmlmode($request,$file); |
|
} elsif ($ENV{'form.problemmode'} eq 'Answer Distribution') { |
|
&analyze($request,$file); |
|
} else { |
|
&renderpage($request,$file); |
|
} |
|
} else { |
|
# requested file doesn't exist in contruction space |
|
&newproblem($request); |
|
} |
|
} else { |
|
# just render the page normally outside of construction space |
|
&Apache::lonxml::debug("not construct"); |
|
&renderpage($request,$file); |
|
} |
|
#my $td=&tv_interval($t0); |
|
#&Apache::lonxml::debug("Spent $td seconds processing"); |
|
# &Apache::lonhomework::send_footer($request); |
|
# always turn off debug messages |
|
$Apache::lonxml::debug=0; |
|
return OK; |
|
|
} |
} |
|
|