--- loncom/homework/lonhomework.pm 2001/08/06 18:24:37 1.51
+++ loncom/homework/lonhomework.pm 2006/06/26 22:33:22 1.254
@@ -1,63 +1,137 @@
-# The LON-CAPA homework handler
-#
-# Handles homework.
-#
-# YEAR=2000
-# 7/25,8/2,8/7,8/8,8/11,9/14,9/19,10/2,10/5,10/11,11/7,11/21 Guy Albertelli
-# 11/30 Gerd Kortemeyer
-# 12/4,12/8,12/12,12/15,12/19,12/21 Guy Albertelli
-# YEAR=2001
-# 1/6,1/8,1/9,1/10,1/11,1/12,1/15,1/25,2/7,2/13,2/19,4/16,4/26 Guy Albertelli
-# 5/4,5/13,5/21 Guy Albertelli
-# 6/1 Gerd Kortemeyer
-# 6/5,6/12,6/26,7/2,7/18 Guy Albertelli
-# 8/6 Scott Harrison
+# The LearningOnline Network with CAPA
+# The LON-CAPA Homework handler
+#
+# $Id: lonhomework.pm,v 1.254 2006/06/26 22:33:22 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+
package Apache::lonhomework;
use strict;
-use Apache::style;
-use Apache::lonxml;
+use Apache::style();
+use Apache::lonxml();
use Apache::lonnet;
-use Apache::inputtags;
-use Apache::structuretags;
-use Apache::response;
-use Apache::hint;
-use Apache::outputtags;
+use Apache::lonplot();
+use Apache::inputtags();
+use Apache::structuretags();
+use Apache::randomlabel();
+use Apache::response();
+use Apache::hint();
+use Apache::outputtags();
+use Apache::caparesponse();
+use Apache::radiobuttonresponse();
+use Apache::optionresponse();
+use Apache::imageresponse();
+use Apache::essayresponse();
+use Apache::externalresponse();
+use Apache::rankresponse();
+use Apache::matchresponse();
+use Apache::chemresponse();
+use Apache::drawimage();
use Apache::Constants qw(:common);
-#use Time::HiRes qw( gettimeofday tv_interval );
+use HTML::Entities();
+use Apache::loncommon();
+use Apache::lonlocal;
+use Time::HiRes qw( gettimeofday tv_interval );
+use Apache::lonnet();
+
+# FIXME - improve commenting
-# ======================================================================= BEGIN
-sub BEGIN {
- &Apache::lonxml::register_insert();
+
+BEGIN {
+ &Apache::lonxml::register_insert();
}
-# =============================================== Get target (returns an array)
+
+#
+# Decides what targets to render for.
+# Implicit inputs:
+# Various session environment variables:
+# request.state - published - is a /res/ resource
+# uploaded - is a /uploaded/ resource
+# contruct - is a /priv/ resource
+# form.grade_target - a form parameter requesting a specific target
sub get_target {
- if ( $ENV{'request.state'} eq "published") {
- if ( defined $ENV{'form.submitted'}) {
- return ('grade','web');
+ &Apache::lonxml::debug("request.state = $env{'request.state'}");
+ if( defined($env{'form.grade_target'})) {
+ &Apache::lonxml::debug("form.grade_target= $env{'form.grade_target'}");
+ } else {
+ &Apache::lonxml::debug("form.grade_target ".&mt("Undid changes, Switched")." $filebak ".&mt("and")." $file ".&mt("Unable to undo, unable to switch")." $filebak ".&mt("and")." $file '.&mt('Response').' '.$part.' '.
+ &mt('is not analyzable at this time').' '.&mt('Found no analyzable responses in this problem, currently only Numerical, Formula and String response styles are supported.').'
";
+ $string.= &showhashsubset($elm,'.');
+ } else {
+ $string.="$elm,"
+ }
+ }
+ chop($string);
+ $string.=")";
+ return $string;
+}
+
+sub showhashsubset {
+ my ($hash,$keyre) = @_;
my $resultkey;
- foreach $resultkey (sort keys %hash) {
- &Apache::lonxml::debug("$resultkey ---- $hash{$resultkey}");
+ foreach $resultkey (sort keys %$hash) {
+ if ($resultkey !~ /$keyre/) { next; }
+ if (ref($$hash{$resultkey}) eq 'ARRAY' ) {
+ &Apache::lonxml::debug("$resultkey ---- ".
+ &showarray($$hash{$resultkey}));
+ } elsif (ref($$hash{$resultkey}) eq 'HASH' ) {
+ &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
+ &showhashsubset($$hash{$resultkey},'.');
+ } else {
+ &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
+ }
}
&Apache::lonxml::debug("\n
restored values^\n");
return '';
}
-# =========================================================== Setup permissions
sub setuppermissions {
- $Apache::lonhomework::browse = &Apache::lonnet::allowed('bre',
- $ENV{'request.filename'});
- $Apache::lonhomework::viewgrades = &Apache::lonnet::allowed('vgr',
- $ENV{'request.course.id'});
+ $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$env{'request.filename'});
+ my $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
+ if (! $viewgrades &&
+ exists($env{'request.course.sec'}) &&
+ $env{'request.course.sec'} !~ /^\s*$/) {
+ $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'}.
+ '/'.$env{'request.course.sec'});
+ }
+ $Apache::lonhomework::viewgrades = $viewgrades;
+
+ if ($Apache::lonhomework::browse eq 'F' &&
+ $env{'form.devalidatecourseresdata'} eq 'on') {
+ my (undef,$courseid) = &Apache::lonxml::whichuser();
+ &Apache::lonnet::devalidatecourseresdata($env{"course.$courseid.num"},
+ $env{"course.$courseid.domain"});
+ }
+
+ my $modifygrades = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
+ if (! $modifygrades &&
+ exists($env{'request.course.sec'}) &&
+ $env{'request.course.sec'} !~ /^\s*$/) {
+ $modifygrades =
+ &Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
+ '/'.$env{'request.course.sec'});
+ }
+ $Apache::lonhomework::modifygrades = $modifygrades;
+
+ my $queuegrade = &Apache::lonnet::allowed('mqg',$env{'request.course.id'});
+ if (! $queuegrade &&
+ exists($env{'request.course.sec'}) &&
+ $env{'request.course.sec'} !~ /^\s*$/) {
+ $queuegrade =
+ &Apache::lonnet::allowed('qgr',$env{'request.course.id'}.
+ '/'.$env{'request.course.sec'});
+ }
+ $Apache::lonhomework::queuegrade = $queuegrade;
return '';
}
-# ================================================================ Setup header
+sub unset_permissions {
+ undef($Apache::lonhomework::queuegrade);
+ undef($Apache::lonhomework::modifygrades);
+ undef($Apache::lonhomework::viewgrades);
+ undef($Apache::lonhomework::browse);
+}
+
sub setupheader {
- my $request = $_[0];
- if ($ENV{'browser.mathml'}) {
- $request->content_type('text/xml');
- } else {
- $request->content_type('text/html');
+ my $request=$_[0];
+ &Apache::loncommon::content_type($request,'text/html');
+ if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) {
+ &Apache::loncommon::no_cache($request);
}
+# $request->set_last_modified(&Apache::lonnet::metadata($request->uri,
+# 'lastrevisiondate'));
$request->send_http_header;
return OK if $request->header_only;
- return '';
+ return ''
}
-# ========================================================= Handle save or undo
sub handle_save_or_undo {
my ($request,$problem,$result) = @_;
- my $fileout = &Apache::lonnet::filelocation("",$request->uri);
- my $filesave = $fileout.".bak";
- if ($ENV{'form.Undo'} eq 'undo') {
- if (copy($filesave,$fileout)) {
- $request->print("Undid changes, Copied $filesave to $fileout".
- "
");
- } else {
- $request->print("Unable to ".
- "undo, unable to copy $filesave to $fileout
");
+ my $file = &Apache::lonnet::filelocation("",$request->uri);
+ my $filebak =$file.".bak";
+ my $filetmp =$file.".tmp";
+ my $error=0;
+
+ &Apache::lonnet::correct_line_ends($result);
+
+ if ($env{'form.Undo'} eq &mt('undo')) {
+ my $error=0;
+ if (!copy($file,$filetmp)) { $error=1; }
+ if ((!$error) && (!copy($filebak,$file))) { $error=1; }
+ if ((!$error) && (!move($filetmp,$filebak))) { $error=1; }
+ if (!$error) {
+ &Apache::lonxml::info("
");
+ &Apache::lonxml::info("".&mt("Making Backup to").
+ " $filebak");
} else {
- $request->print("Unable to ".
- "make backup $filesave");
+ &Apache::lonxml::info("".&mt("Unable to make backup")." $filebak");
+ $error=2;
}
- my $fh=Apache::File->new(">$fileout");
+ my $fh=Apache::File->new(">$file");
if (defined($fh)) {
print $fh $$result;
- $request->print("Saving Modifications to $fileout
");
+ &Apache::lonxml::info("".&mt("Saving Modifications to").
+ " $file");
} else {
- $request->print("Unable to ".
- "write to $fileout");
+ &Apache::lonxml::info("".
+ &mt("Unable to write to")." $file");
+ $error|=4;
}
}
+ return $error;
}
-# ================================================================= Render page
-sub renderpage {
+sub analyze_header {
+ my ($request) = @_;
+ my $result =
+ &Apache::loncommon::start_page('Analyzing a problem',undef);
+
+ $result .=
+ &Apache::lonxml::message_location().'
+ ';
+ &Apache::lonxml::add_messages(\$result);
+ $request->print($result);
+ $request->rflush();
+}
+
+sub analyze_footer {
+ my ($request) = @_;
+ $request->print(&Apache::loncommon::end_page());
+ $request->rflush();
+}
+
+sub analyze {
my ($request,$file) = @_;
-
- my (@targets) = &get_target();
+ &Apache::lonxml::debug("Analyze");
+ my $result;
+ my %overall;
+ my %seedexample;
+ my %allparts;
+ my $rndseed=$env{'form.rndseed'};
+ &analyze_header($request);
+ my %prog_state=
+ &Apache::lonhtmlcommon::Create_PrgWin($request,&mt('Analyze Progress'),
+ &mt('Getting Problem Variants'),
+ $env{'form.numtoanalyze'},
+ 'inline',undef);
+ for(my $i=1;$i<$env{'form.numtoanalyze'}+1;$i++) {
+ &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state,
+ &mt('last problem'));
+ if (&Apache::loncommon::connection_aborted($request)) { return; }
+ my $thisseed=$i+$rndseed;
+ my $subresult=&Apache::lonnet::ssi($request->uri,
+ ('grade_target' => 'analyze'),
+ ('rndseed' => $thisseed));
+ (my $garbage,$subresult)=split(/_HASH_REF__/,$subresult,2);
+ my %analyze=&Apache::lonnet::str2hash($subresult);
+ my @parts;
+ if (defined(@{ $analyze{'parts'} })) {
+ @parts=@{ $analyze{'parts'} };
+ }
+ foreach my $part (@parts) {
+ if (!exists($allparts{$part})) {$allparts{$part}=1;};
+ if ($analyze{$part.'.type'} eq 'numericalresponse' ||
+ $analyze{$part.'.type'} eq 'stringresponse' ||
+ $analyze{$part.'.type'} eq 'formularesponse' ) {
+ my $concatanswer=join("\0",@{ $analyze{$part.'.answer'} });
+ if (($concatanswer eq '') || ($concatanswer=~/^\@/)) {
+ @{$analyze{$part.'.answer'}}=(''.&mt('Error').'');
+ }
+ push( @{ $overall{$part.'.answer'} },
+ [@{ $analyze{$part.'.answer'} }]);
+ $seedexample{join("\0",@{ $analyze{$part.'.answer'}})}=$thisseed;
+ }
+ }
+ }
+ &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,
+ &mt('Analyzing Results'));
+ $request->print('
'.&mt('List of possible answers').': ');
+ foreach my $part (sort(keys(%allparts))) {
+ if (defined(@{ $overall{$part.'.answer'} })) {
+ my $num_cols=scalar(@{ $overall{$part.'.answer'}->[0] });
+ $request->print('
');
+ } else {
+ $request->print(' ');
+ my %frequency;
+ foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'} })) {
+ $frequency{join("\0",@{ $answer })}++;
+ }
+ $request->print(''.&mt('Part').' '.$part.' ');
+ foreach my $answer (sort {(split("\0",$a))[0] <=> (split("\0",$b))[0]} (keys(%frequency))) {
+ $request->print(''.&mt('Answer').' '.&mt('Frequency').'
('
+ .&mt('click for example').') ');
+ }
+ $request->print(''.
+ join(' ',split("\0",$answer)).
+ ' '.$frequency{$answer}.
+ '
';
+ if ($cols > 80) { $cols = 80; }
+ if ($cols < 70) { $cols = 70; }
+ if ($rows < 20) { $rows = 20; }
+ my $start_page =
+ &Apache::loncommon::start_page("EditXML $file",
+ &Apache::edit::js_change_detection());
+
+ $result.=$start_page.
+ &renderpage($request,$file,['no_output_web'],1).
+ &Apache::lonxml::message_location().'
+ '.&Apache::loncommon::end_page();
+ &Apache::lonxml::add_messages(\$result);
+ $request->print($result);
+ }
+ return '';
+}
+
+#
+# Render the page in whatever target desired.
+#
+sub renderpage {
+ my ($request,$file,$targets,$return_string) = @_;
+
+ my @targets = @{$targets || [&get_target()]};
+ &Apache::lonhomework::showhashsubset(\%env,'form.');
+ &Apache::lonxml::debug("Running targets ".join(':',@targets));
+ my $overall_result;
foreach my $target (@targets) {
+ # FIXME need to do something intelligent when a problem goes
+ # from viewable to not viewable due to map conditions
+ #&setuppermissions();
+ #if ( $Apache::lonhomework::browse ne '2'
+ # && $Apache::lonhomework::browse ne 'F' ) {
+ # $request->print(" You most likely shouldn't see me.");
+ #}
#my $t0 = [&gettimeofday()];
+ my $output=1;
+ if ($target eq 'no_output_web') {
+ $target = 'web'; $output=0;
+ }
my $problem=&Apache::lonnet::getfile($file);
- if ($problem == -1) {
- &Apache::lonxml::error(" Unable to find $file");
+ my $result;
+ if ($problem eq -1) {
+ my $filename=(split('/',$file))[-1];
+ $result.=" ".&mt('Unable to find')." $filename";
$problem='';
}
-
+
my %mystyle;
- my $result = '';
- &Apache::inputtags::initialize_inputtags;
- &Apache::edit::initialize_edit;
- %Apache::lonhomework::results=();
- %Apache::lonhomework::history=&Apache::lonnet::restore();
- #ignore error conditions
- my ($temp)=keys %Apache::lonhomework::history ;
- if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
- if ($target eq 'web') {
- if (&Apache::lonnet::symbread() eq '') {
- if ($ENV{'request.state'} eq "construct") {
- $request->print("In construction space, submissions ".
- "ignored'.
+ &Apache::loncommon::helpLatexCheatsheet("Problem_Editor_XML_Index",
+ "Problem Editing Help").
+ ' '.
+ &Apache::loncommon::help_open_menu(undef,undef,5,'Authoring').
+ '
");
- } else {
- $request->print("Browsing or ".
- "ambiguous reference, submissions ".
- "ignored
");
- }
- }
- #if ($Apache::lonhomework::viewgrades eq 'F') {&createmenu('grade',$request); }
- }
- if ($target eq 'grade') { &showhash(%Apache::lonhomework::history); }
-
- my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/'.
- 'includes/default_homework.lcpm');
- if ($default == -1) {
- &Apache::lonxml::error("Unable to find default_homework.".
- "lcpm");
- $default='';
- }
- $result = &Apache::lonxml::xmlparse($target, $problem,
- $default.&setup_vars($target),
- %mystyle);
+ if ($target eq 'analyze') { %Apache::lonhomework::analyze=(); }
+ if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); }
+ if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%env,'^form');}
+
+ &Apache::lonxml::debug("Should be parsing now");
+ $result .= &Apache::lonxml::xmlparse($request, $target, $problem,
+ &setup_vars($target),%mystyle);
+ undef($Apache::lonhomework::parsing_a_problem);
+ if (!$output) { $result = ''; }
#$request->print("Result follows:");
if ($target eq 'modified') {
&handle_save_or_undo($request,\$problem,\$result);
} else {
+ if ($target eq 'analyze') {
+ $result=&Apache::lonnet::hashref2str(\%Apache::lonhomework::analyze);
+ undef(%Apache::lonhomework::analyze);
+ }
#my $td=&tv_interval($t0);
#if ( $Apache::lonxml::debug) {
#$result =~ s:
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
::;
#$result.="
Spent $td seconds processing target $target\n";
#}
- $request->print($result);
+# $request->print($result);
+ $overall_result.=$result;
+# $request->rflush();
}
#$request->print(":Result ends");
- if ($target eq 'grade') { &showhash(%Apache::lonhomework::results); }
-
- #store new values
- my ($temp) = keys %Apache::lonhomework::results;
- if ( $temp ne '' ) {
- &Apache::lonxml::debug("Store return message:".
- &Apache::lonnet::cstore(\%Apache::lonhomework::results));
- }
#my $td=&tv_interval($t0);
}
+ if (!$return_string) {
+ &Apache::lonxml::add_messages(\$overall_result);
+ $request->print($overall_result);
+ $request->rflush();
+ } else {
+ return $overall_result;
+ }
}
-# =========================================================== Get template list
# with no arg it returns a HTML ";
+ if ($name) { push (@allnames, $name); }
}
}
+ if (@allnames && !$result) {
+ $result="\n';
+ }
return $result;
}
-# ================================================================= New problem
sub newproblem {
my ($request) = @_;
- my $extension = $request->uri;
- $extension =~ s:^.*\.([\w]+)$:$1:;
+ my $extension=$request->uri;
+ $extension=~s:^.*\.([\w]+)$:$1:;
&Apache::lonxml::debug("Looking for :$extension:");
- if ($ENV{'form.template'}) {
+ my $templatelist=&get_template_list('',$extension);
+ if ($env{'form.template'} &&
+ $env{'form.template'} ne "Select a $extension template") {
use File::Copy;
- my $file = &get_template_list($ENV{'form.template'},$extension);
+ my $file = &get_template_list($env{'form.template'},$extension);
my $dest = &Apache::lonnet::filelocation("",$request->uri);
copy($file,$dest);
- &renderpage($request,$file);
+ &renderpage($request,$dest);
+ } elsif($env{'form.newfile'} && !$templatelist) {
+ # I don't like hard-coded filenames but for now, this will work.
+ use File::Copy;
+ my $templatefilename =
+ $request->dir_config('lonIncludes').'/templates/blank.problem';
+ &Apache::lonxml::debug("$templatefilename");
+ my $dest = &Apache::lonnet::filelocation("",$request->uri);
+ copy($templatefilename,$dest);
+ &renderpage($request,$dest);
} else {
- my $templatelist = &get_template_list('',$extension);
- my $url = $request->uri;
+ my $url=&HTML::Entities::encode($request->uri,'<>&"');
+ my $shownurl=$url;
+ $shownurl=~s-^/~-/priv/-;
my $dest = &Apache::lonnet::filelocation("",$request->uri);
+ my $errormsg;
+ if ($env{'form.newfile'}) {
+ $errormsg='
'.&mt('You did not select a template.').'
'."\n";
+ }
+ my $instructions;
+ my $start_page =
+ &Apache::loncommon::start_page("Create New $extension");
+ if ($templatelist) { $instructions=&mt(", select a template from the pull-down menu below.").'
+$lt{'createnew'} $extension$instructions $lt{'click'} "$lt{'Create'} $extension" $lt{'button'}.
+
'.&mt("Then");}
+ my %lt=&Apache::lonlocal::texthash( 'create' => 'Creating a new',
+ 'resource' => 'resource',
+ 'requested' => 'The requested file',
+ 'not exist' => 'currently does not exist',
+ 'createnew' => 'To create a new',
+ 'click' => 'click on the',
+ 'Create' => 'Create',
+ 'button' => 'button');
$request->print(<
-
-
+$start_page
+$lt{'create'} $extension $lt{'resource'}
+$errormsg
+$lt{'requested'} $shownurl $lt{'not exist'}.
+
".&Apache::loncommon::end_page()); + } + return ''; } -# ===================================================================== Handler 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.":"); + my $request=$_[0]; + $Apache::lonxml::request=$request; + $Apache::lonxml::debug=$env{'user.debug'}; + $env{'request.uri'}=$request->uri; + &setuppermissions(); + # some times multiple problemmodes are submitted, need to select + # the last one + if ( defined($env{'form.problemmode'}) && ref($env{'form.problemmode'}) ) { + my $mode=$env{'form.problemmode'}->[-1]; + undef $env{'form.problemmode'}; + $env{'form.problemmode'}=$mode; + } - my $file = &Apache::lonnet::filelocation("",$request->uri); + my $file=&Apache::lonnet::filelocation("",$request->uri); #check if we know where we are - if ($ENV{'request.course.fn'} && !&Apache::lonnet::symbread()) { + if ($env{'request.course.fn'} && !&Apache::lonnet::symbread()) { # if we are browsing we might not be able to know where we are - if ($Apache::lonhomework::browse ne 'F') { + if ($Apache::lonhomework::browse ne 'F' && + $env{'request.state'} ne "construct") { #should know where we are, so ask - $request->internal_redirect('/adm/ambiguous'); return; + &unset_permissions(); + $request->internal_redirect('/adm/ambiguous'); + return OK; } } - - if ($ENV{'request.state'} eq "construct") { + if (&setupheader($request)) { + &unset_permissions(); + return OK; + } + &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:$Apache::lonhomework::modifygrades:$Apache::lonhomework::queuegrade"); + &Apache::lonxml::debug("Problem Mode ".$env{'form.problemmode'}); + my ($symb) = &Apache::lonxml::whichuser(); + &Apache::lonxml::debug('symb is '.$symb); + if ($env{'request.state'} eq "construct") { if ( -e $file ) { - if (!(defined $ENV{'form.problemmode'})) { + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['problemmode']); + if (!(defined $env{'form.problemmode'})) { #first visit to problem in construction space - &view_or_edit_menu($request); - #&renderpage($request,$file); + $env{'form.problemmode'}='View'; + &renderpage($request,$file); + } elsif ($env{'form.problemmode'} eq &mt('EditXML') || + $env{'form.problemmode'} eq 'EditXML') { + &editxmlmode($request,$file); + } elsif ($env{'form.problemmode'} eq &mt('Calculate answers')) { + &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; + &unset_permissions(); return OK; + } 1; - __END__