--- loncom/homework/lonhomework.pm 2001/12/04 14:51:19 1.64 +++ loncom/homework/lonhomework.pm 2002/12/11 15:33:55 1.105 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Homework handler # -# $Id: lonhomework.pm,v 1.64 2001/12/04 14:51:19 albertel Exp $ +# $Id: lonhomework.pm,v 1.105 2002/12/11 15:33:55 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -28,33 +28,54 @@ # Guy Albertelli # 11/30 Gerd Kortemeyer # 6/1,8/17,8/18 Gerd Kortemeyer +# 7/18 Jeremy Bowers package Apache::lonhomework; use strict; -use Apache::style; -use Apache::lonxml; -use Apache::lonnet; -use Apache::inputtags; -use Apache::structuretags; -use Apache::randomlabel; -use Apache::response; -use Apache::hint; -use Apache::outputtags; +use Apache::style(); +use Apache::lonxml(); +use Apache::lonnet(); +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::Constants qw(:common); +use HTML::Entities(); +use Apache::loncommon(); #use Time::HiRes qw( gettimeofday tv_interval ); -sub BEGIN { +BEGIN { &Apache::lonxml::register_insert(); } sub get_target { if ( $ENV{'request.state'} eq "published") { + if ( defined($ENV{'form.grade_target'} ) + && ($ENV{'form.grade_target'} eq 'tex')) { + return ($ENV{'form.grade_target'}); + } elsif ( defined($ENV{'form.grade_target'} ) + && ($Apache::lonhomework::viewgrades == 'F' )) { + return ($ENV{'form.grade_target'}); + } + if ( defined($ENV{'form.submitted'})) { return ('grade', 'web'); } else { return ('web'); } } elsif ($ENV{'request.state'} eq "construct") { + if ( defined($ENV{'form.grade_target'}) ) { + return ($ENV{'form.grade_target'}); + } if ( defined($ENV{'form.preview'})) { if ( defined($ENV{'form.submitted'})) { return ('grade', 'web'); @@ -62,7 +83,8 @@ sub get_target { return ('web'); } } else { - if ( $ENV{'form.problemmode'} eq 'View' ) { + if ( $ENV{'form.problemmode'} eq 'View' || + $ENV{'form.problemmode'} eq 'Discard Edits and View') { if ( defined($ENV{'form.submitted'}) && (!defined($ENV{'form.resetdata'})) ) { return ('grade', 'web','answer'); @@ -71,7 +93,11 @@ sub get_target { } } elsif ( $ENV{'form.problemmode'} eq 'Edit' ) { if ( $ENV{'form.submitted'} eq 'edit' ) { - return ('modified','edit'); + if ( $ENV{'form.submit'} eq 'Submit Changes and View' ) { + return ('modified','web','answer'); + } else { + return ('modified','edit'); + } } else { return ('edit'); } @@ -113,19 +139,37 @@ sub send_footer { $Apache::lonxml::browse=''; +# JB, 9/24/2002: Any changes in this function may require a change +# in lonnavmaps::resource::getDateStatus. sub check_access { my ($id) = @_; my $date =''; - my $status = ''; + my $status; my $datemsg = ''; my $lastdate = ''; my $temp; my $type; my $passed; &Apache::lonxml::debug("checking for part :$id:"); + &Apache::lonxml::debug("time:".time); foreach $temp ("opendate","duedate","answerdate") { $lastdate = $date; $date = &Apache::lonnet::EXT("resource.$id.$temp"); + my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type"); + if ($thistype =~ /^(con_lost|no_such_host)/ || + $date =~ /^(con_lost|no_such_host)/) { + $status='UNAVAILABLE'; + $date="may open later."; + return($status,$date); + } + if ($thistype eq 'date_interval') { + if ($temp eq 'opendate') { + $date=&Apache::lonnet::EXT("resource.$id.duedate")-$date; + } + if ($temp eq 'answerdate') { + $date=&Apache::lonnet::EXT("resource.$id.duedate")+$date; + } + } &Apache::lonxml::debug("found :$date: for :$temp:"); if ($date eq '') { $date = "an unknown date"; $passed = 0; @@ -182,9 +226,30 @@ sub check_access { sub showhash { my (%hash) = @_; + &showhashsubset(\%hash,'.'); + return ''; +} + +sub showhashsubset { + my ($hash,$keyre) = @_; my $resultkey; - foreach $resultkey (sort keys %hash) { - &Apache::lonxml::debug("$resultkey ---- $hash{$resultkey}"); + foreach $resultkey (sort keys %$hash) { + if ($resultkey =~ /$keyre/) { + if (ref($$hash{$resultkey})) { + if ($$hash{$resultkey} =~ /ARRAY/ ) { + my $string="$resultkey ---- ("; + foreach my $elm (@{ $$hash{$resultkey} }) { + $string.="$elm,"; + } + chop($string); + &Apache::lonxml::debug("$string)"); + } else { + &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}"); + } + } else { + &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}"); + } + } } &Apache::lonxml::debug("\n
restored values^
\n"); return ''; @@ -203,7 +268,9 @@ sub setupheader { } else { $request->content_type('text/html'); } - if (!$Apache::lonxml::debug) { &Apache::loncommon::no_cache($request); } + if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) { + &Apache::loncommon::no_cache($request); + } $request->send_http_header; return OK if $request->header_only; return '' @@ -211,38 +278,95 @@ sub setupheader { sub handle_save_or_undo { my ($request,$problem,$result) = @_; - my $fileout = &Apache::lonnet::filelocation("",$request->uri); - my $filesave=$fileout.".bak"; + my $file = &Apache::lonnet::filelocation("",$request->uri); + my $filebak =$file.".bak"; + my $filetmp =$file.".tmp"; my $error=0; if ($ENV{'form.Undo'} eq 'undo') { - if (copy($filesave,$fileout)) { - $request->print("Undid changes, Copied $filesave to $fileout
"); + 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) { + $request->print("

Undid changes, Switched $filebak and $file

"); } else { - $request->print("Unable to undo, unable to copy $filesave to $fileout
"); + $request->print("

Unable to undo, unable to switch $filebak and $file

"); $error=1; } } else { - my $fs=Apache::File->new(">$filesave"); + my $fs=Apache::File->new(">$filebak"); if (defined($fs)) { print $fs $$problem; - $request->print("Making Backup to $filesave
"); + $request->print("Making Backup to $filebak
"); } else { - $request->print("Unable to make backup $filesave"); + $request->print("Unable to make backup $filebak"); $error=2; } - my $fh=Apache::File->new(">$fileout"); + my $fh=Apache::File->new(">$file"); if (defined($fh)) { print $fh $$result; - $request->print("Saving Modifications to $fileout
"); + $request->print("Saving Modifications to $file
"); } else { - $request->print("Unable to write to $fileout"); + $request->print("Unable to write to $file"); $error|=4; } } return $error; } +sub analyze_header { + my ($request) = @_; + my $result.=' +
+ + +
+ +
+ List of possible answers: +
'; + $request->print($result); + $request->rflush(); +} + +sub analyze { + my ($request,$file) = @_; + &Apache::lonxml::debug("Analyze"); + my $result; + my %overall; + my %allparts; + my $rndseed=$ENV{'form.rndseed'}; + &analyze_header($request); + for(my $i=1;$i<$ENV{'form.numtoanalyze'}+1;$i++) { + my $subresult=&Apache::lonnet::ssi($request->uri, + ('grade_target' => 'analyze'), + ('rndseed' => $i)); + &Apache::lonxml::debug(":$subresult:"); + (my $garbage,$subresult)=split(/_HASH_REF__/,$subresult,2); + my %analyze=&Apache::lonnet::str2hash($subresult); + &Apache::lonhomework::showhash(%analyze); + my @parts = @{ $analyze{'parts'} }; + foreach my $part (@parts) { + if (!exists($allparts{$part})) {$allparts{$part}=1;}; + if ($analyze{$part.'.type'} eq 'numericalresponse') { + push( @{ $overall{$part.'.answer'} }, + [@{ $analyze{$part.'.answer'} }]); + } + } + } + foreach my $part (keys(%allparts)) { + $request->print(''); + foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'} })) { + $request->print(''); + } + } + &Apache::lonhomework::showhash(%overall); + return $result; +} + sub editxmlmode { my ($request,$file) = @_; my $result; @@ -256,22 +380,34 @@ sub editxmlmode { \$ENV{'form.editxmltext'}); if (!$error) { $problem=&Apache::lonnet::getfile($file); } } - my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem); - if ($cols > 80) { $cols = 80; } - $result.=' + &Apache::lonhomework::showhashsubset(\%ENV,'^form'); + if ( $ENV{'form.submit'} eq 'Submit Changes and View' ) { + &Apache::lonhomework::showhashsubset(\%ENV,'^form'); + $ENV{'form.problemmode'}='View'; + &renderpage($request,$file); + } else { + my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem); + my $xml_help = Apache::loncommon::help_open_topic("Problem_Editor_XML_Index"); + if ($cols > 80) { $cols = 80; } + if ($cols < 70) { $cols = 70; } + if ($rows < 20) { $rows = 20; } + $result.=' - +
+
+ ' . $xml_help . ' Problem Help
+ &HTML::Entities::encode($problem).''; - $request->print($result); + $request->print($result); + } return ''; } @@ -279,6 +415,7 @@ sub renderpage { my ($request,$file) = @_; my (@targets) = &get_target(); + &Apache::lonxml::debug("Running targets ".join(':',@targets)); foreach my $target (@targets) { #my $t0 = [&gettimeofday()]; my $problem=&Apache::lonnet::getfile($file); @@ -289,31 +426,25 @@ sub renderpage { my %mystyle; my $result = ''; - &Apache::inputtags::initialize_inputtags; - &Apache::edit::initialize_edit; - if ($target eq 'web') { - if (&Apache::lonnet::symbread() eq '') { - if ($ENV{'request.state'} eq "construct") { - } 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); + &Apache::inputtags::initialize_inputtags(); + &Apache::outputtags::initialize_outputtags(); + &Apache::edit::initialize_edit(); + if ($target eq 'analyze') { %Apache::lonhomework::anaylze=(); } + if ($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); #$request->print("Result follows:"); if ($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:::; @@ -331,6 +462,7 @@ sub renderpage { sub get_template_list { my ($namewanted,$extension) = @_; my $result; + my @allnames; &Apache::lonxml::debug("Looking for :$extension:"); foreach my $file () { my $name=&Apache::lonnet::metadata($file,'title'); @@ -338,42 +470,59 @@ sub get_template_list { $result=$file; last; } else { - $result.=""; + if ($name) { push (@allnames, $name); } } } + if (@allnames && !$result) { + $result="\n'; + } return $result; } sub newproblem { - my ($request) = @_; - - my $extension=$request->uri; - $extension=~s:^.*\.([\w]+)$:$1:; - &Apache::lonxml::debug("Looking for :$extension:"); - if ($ENV{'form.template'}) { - use File::Copy; - my $file = &get_template_list($ENV{'form.template'},$extension); - my $dest = &Apache::lonnet::filelocation("",$request->uri); - copy($file,$dest); - &renderpage($request,$file); - } else { - my $templatelist=&get_template_list('',$extension); - my $url=$request->uri; - my $dest = &Apache::lonnet::filelocation("",$request->uri); - $request->print(<uri; + $extension=~s:^.*\.([\w]+)$:$1:; + &Apache::lonxml::debug("Looking for :$extension:"); + if ($ENV{'form.template'} && + $ENV{'form.template'} ne "Select a $extension type") { + use File::Copy; + my $file = &get_template_list($ENV{'form.template'},$extension); + my $dest = &Apache::lonnet::filelocation("",$request->uri); + copy($file,$dest); + &renderpage($request,$dest); + } elsif($ENV{'form.newfile'}) { + # 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 $dest = &Apache::lonnet::filelocation("",$request->uri); + my $instructions; + if ($templatelist) { $instructions=", select a template from the pull-down menu below.
Then";} + $request->print(< -The request file $url doesn\'t exist. You can create a new $extension
-
-
- - - +

Creating a new $extension resource

+The requested file $url currently does not exist. +

+To create a new $extension$instructions click on the "Create $extension" button. +

+

ENDNEWPROBLEM - } - - return ''; + if (defined($templatelist)) { + $request->print(""); + } + $request->print("
"); + $request->print("

"); + } + return ''; } sub view_or_edit_menu { @@ -393,7 +542,8 @@ sub handler { #my $t0 = [&gettimeofday()]; my $request=$_[0]; - if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} +# if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} + $Apache::lonxml::debug=$ENV{'user.debug'}; if (&setupheader($request)) { return OK; } $ENV{'request.uri'}=$request->uri; @@ -402,6 +552,16 @@ sub handler { $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$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); @@ -427,6 +587,8 @@ sub handler { &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); } @@ -436,6 +598,7 @@ sub handler { } } else { # just render the page normally outside of construction space + &Apache::lonxml::debug("not construct"); &renderpage($request,$file); } #my $td=&tv_interval($t0); 500 Internal Server Error

Internal Server Error

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.

Part '.$part.'
'.join('',@{ $answer }). + '