--- loncom/homework/lonhomework.pm 2002/06/26 17:20:38 1.81 +++ loncom/homework/lonhomework.pm 2003/09/15 21:50:49 1.142 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Homework handler # -# $Id: lonhomework.pm,v 1.81 2002/06/26 17:20:38 albertel Exp $ +# $Id: lonhomework.pm,v 1.142 2003/09/15 21:50:49 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -28,6 +28,7 @@ # Guy Albertelli # 11/30 Gerd Kortemeyer # 6/1,8/17,8/18 Gerd Kortemeyer +# 7/18 Jeremy Bowers package Apache::lonhomework; use strict; @@ -41,8 +42,18 @@ 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::Constants qw(:common); use HTML::Entities(); +use Apache::loncommon(); #use Time::HiRes qw( gettimeofday tv_interval ); BEGIN { @@ -50,12 +61,22 @@ BEGIN { } sub get_target { - if ( $ENV{'request.state'} eq "published") { - if ( defined($ENV{'form.grade_target'}) - && ($Apache::lonhomework::viewgrades == 'F' )) { + if (($ENV{'request.state'} eq "published") || + ($ENV{'request.state'} eq "uploaded")) { + if ( defined($ENV{'form.grade_target'} ) + && ($ENV{'form.grade_target'} eq 'tex')) { + return ($ENV{'form.grade_target'}); + } elsif ( defined($ENV{'form.grade_target'} ) + && ($Apache::lonhomework::viewgrades eq 'F' )) { + return ($ENV{'form.grade_target'}); + } elsif (defined($ENV{'form.grade_target'} ) + && ($ENV{'form.grade_target'} eq 'answer')) { return ($ENV{'form.grade_target'}); } - if ( defined($ENV{'form.submitted'})) { + + if ( defined($ENV{'form.submitted'}) && + ( !defined($ENV{'form.resetdata'})) && + ( !defined($ENV{'form.newrandomization'}))) { return ('grade', 'web'); } else { return ('web'); @@ -71,9 +92,11 @@ 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($ENV{'form.resetdata'})) ) { + (!defined($ENV{'form.resetdata'})) && + (!defined($ENV{'form.newrandomization'}))) { return ('grade', 'web','answer'); } else { return ('web','answer'); @@ -126,20 +149,45 @@ 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 $passed; + + if ($ENV{'request.state'} eq "construct") { + &Apache::lonxml::debug("in construction ignoring dates"); + $status='CAN_ANSWER'; + $datemsg='is in under construction'; + return ($status,$datemsg); + } + &Apache::lonxml::debug("checking for part :$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; @@ -166,18 +214,26 @@ sub check_access { $datemsg = "was due on $lastdate, and answers will be available on $date"; } if ($status eq 'CAN_ANSWER') { - #check #tries + #check #tries, and if correct. my $tries = $Apache::lonhomework::history{"resource.$id.tries"}; my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries"); if ( $tries eq '' ) { $tries = '0'; } if ( $maxtries eq '' ) { $maxtries = '2'; } - if ($tries >= $maxtries) { $status = 'CANNOT_ANSWER'; } + if ($tries >= $maxtries) { $status = 'CANNOT_ANSWER'; } + # if (correct and show prob status) or excused then CANNOT_ANSWER + if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/ + && + lc($Apache::lonhomework::problemstatus) ne 'no') + || + $Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) { + $status = 'CANNOT_ANSWER'; + } } - if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') && - (!$Apache::lonhomework::history{"resource.0.outtoken"})) { - return ('UNCHECKEDOUT','needs to be checked out'); - } + #if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') && + # (!$Apache::lonhomework::history{"resource.0.outtoken"})) { + # return ('UNCHECKEDOUT','needs to be checked out'); + #} &Apache::lonxml::debug("sending back :$status:$datemsg:"); @@ -186,20 +242,33 @@ sub check_access { $status='CAN_ANSWER'; $datemsg='is closed but you are allowed to view it'; } - if ($ENV{'request.state'} eq "construct") { - &Apache::lonxml::debug("in construction ignoring dates"); - $status='CAN_ANSWER'; - $datemsg='is in under construction'; - } + return ($status,$datemsg); } sub showhash { my (%hash) = @_; - &showhashsubset(\%hash,''); + &showhashsubset(\%hash,'.'); return ''; } +sub showarray { + my ($array)=@_; + my $string="("; + foreach my $elm (@{ $array }) { + if (ref($elm)) { + if ($elm =~ /ARRAY/ ) { + $string.=&showarray($elm); + } + } else { + $string.="$elm," + } + } + chop($string); + $string.=")"; + return $string; +} + sub showhashsubset { my ($hash,$keyre) = @_; my $resultkey; @@ -207,14 +276,13 @@ sub showhashsubset { if ($resultkey =~ /$keyre/) { if (ref($$hash{$resultkey})) { if ($$hash{$resultkey} =~ /ARRAY/ ) { - my $string="$resultkey ---- ("; - foreach my $elm (@{ $$hash{$resultkey} }) { - $string.="$elm,"; - } - chop($string); - &Apache::lonxml::debug("$string)"); + &Apache::lonxml::debug("$resultkey ---- ". + &showarray($$hash{$resultkey})); + } elsif ($$hash{$resultkey} =~ /HASH/ ) { + &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}"); + &showhashsubset($$hash{$resultkey},'.'); } else { - &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}"); + &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}"); } } else { &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}"); @@ -227,23 +295,31 @@ sub showhashsubset { sub setuppermissions { $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$ENV{'request.filename'}); - $Apache::lonhomework::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}); + 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; return '' } sub setupheader { - my $request=$_[0]; - if ($ENV{'browser.mathml'}) { - $request->content_type('text/xml'); - } else { - $request->content_type('text/html'); - } - if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) { - &Apache::loncommon::no_cache($request); - } - $request->send_http_header; - return OK if $request->header_only; - return '' + my $request=$_[0]; + if ($ENV{'browser.mathml'}) { + $request->content_type('text/xml'); + } else { + $request->content_type('text/html'); + } + $request->content_encoding('UTF-8'); + if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) { + &Apache::loncommon::no_cache($request); + } + $request->send_http_header; + return OK if $request->header_only; + return '' } sub handle_save_or_undo { @@ -285,21 +361,104 @@ sub handle_save_or_undo { return $error; } +sub analyze_header { + my ($request) = @_; + my $result.=' + Analyzing a problem + +
+ + +
+ +
+ List of possible answers: +
'; + $request->print($result); + $request->rflush(); +} + +sub analyze_footer { + my ($request) = @_; + my $result=''; + $request->print($result); + $request->rflush(); +} + sub analyze { - my ($request,$file) = @_; - &Apache::lonxml::debug("Analyze"); - my $result=&Apache::lonnet::ssi($request->uri,('grade_target' => 'analyze')); - &Apache::lonxml::debug(":$result:"); - (my $garbage,$result)=split(/_HASH_REF__/,$result,2); - &showhash(&Apache::lonnet::str2hash($result)); - return $result; + my ($request,$file) = @_; + &Apache::lonxml::debug("Analyze"); + my $result; + my %overall; + my %allparts; + my $rndseed=$ENV{'form.rndseed'}; + &analyze_header($request); + my %prog_state= + &Apache::lonhtmlcommon::Create_PrgWin($request,'Analyze Progress', + 'Getting Problem Variants', + $ENV{'form.numtoanalyze'}); + for(my $i=1;$i<$ENV{'form.numtoanalyze'}+1;$i++) { + &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state, + 'last problem'); + my $subresult=&Apache::lonnet::ssi($request->uri, + ('grade_target' => 'analyze'), + ('rndseed' => $i+$rndseed)); + (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' ) { + push( @{ $overall{$part.'.answer'} }, + [@{ $analyze{$part.'.answer'} }]); + } + } + } + &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state, + 'Analyzing Results'); + foreach my $part (sort(keys(%allparts))) { + if (defined(@{ $overall{$part.'.answer'} })) { + my $num_cols=scalar(@{ $overall{$part.'.answer'}->[0] }); + $request->print(''); + my %frequency; + foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'} })) { + $frequency{join("\0",@{ $answer })}++; + } + $request->print(''); + foreach my $answer (sort {(split("\0",$a))[0] <=> (split("\0",$b))[0]} (keys(%frequency))) { + $request->print(''); + } + $request->print('
Part '.$part.'
AnswerFrequency
'. + join('',split("\0",$answer)). + '('.$frequency{$answer}. + ')
'); + } else { + $request->print('

Part '.$part. + ' is not analyzable at this time

'); + } + } + if (scalar(keys(%allparts)) == 0 ) { + $request->print('

Found no analyzable parts in this problem, + currently only Numerical, Formula and String response + styles are supported.

'); + } + &Apache::lonhtmlcommon::Close_PrgWin($request,\%prog_state); + &analyze_footer($request); + &Apache::lonhomework::showhash(%overall); + return $result; } sub editxmlmode { my ($request,$file) = @_; my $result; my $problem=&Apache::lonnet::getfile($file); - if ($problem == -1) { + if ($problem eq -1) { &Apache::lonxml::error(" Unable to find $file"); $problem=''; } @@ -315,7 +474,11 @@ sub editxmlmode { &renderpage($request,$file); } else { my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem); + my $xml_help = Apache::loncommon::helpLatexCheatsheet("Problem_Editor_XML_Index", + "Problem Editing Help"); if ($cols > 80) { $cols = 80; } + if ($cols < 70) { $cols = 70; } + if ($rows < 20) { $rows = 20; } $result.='
@@ -327,6 +490,7 @@ sub editxmlmode {
+ ' . $xml_help . '
'; @@ -343,38 +507,21 @@ sub renderpage { foreach my $target (@targets) { #my $t0 = [&gettimeofday()]; my $problem=&Apache::lonnet::getfile($file); - if ($problem == -1) { + if ($problem eq -1) { &Apache::lonxml::error(" Unable to find $file"); $problem=''; } my %mystyle; my $result = ''; - &Apache::inputtags::initialize_inputtags; - &Apache::edit::initialize_edit; - if ($target eq 'analyze') { %Apache::lonhomework::anaylze=(); } - if ($target eq 'web') { - my ($symb)=&Apache::lonxml::whichuser(); - if ($symb eq '') { - if ($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); } - #if ($target eq 'web') { &showhash(%ENV); } + if ($target eq 'analyze') { %Apache::lonhomework::analyze=(); } + if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); } + if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%ENV,'^form');} - 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=''; - } &Apache::lonxml::debug("Should be parsing now"); $result = &Apache::lonxml::xmlparse($request, $target, $problem, - $default.&setup_vars($target),%mystyle); - + &setup_vars($target),%mystyle); + undef($Apache::lonhomework::parsing_a_problem); #$request->print("Result follows:"); if ($target eq 'modified') { &handle_save_or_undo($request,\$problem,\$result); @@ -389,6 +536,7 @@ sub renderpage { #$result.="
Spent $td seconds processing target $target\n"; #} $request->print($result); + $request->rflush(); } #$request->print(":Result ends"); #my $td=&tv_interval($t0); @@ -400,6 +548,7 @@ 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'); @@ -407,9 +556,13 @@ sub get_template_list { $result=$file; last; } else { - $result.=""; + if ($name) { push (@allnames, $name); } } } + if (@allnames && !$result) { + $result="\n'; + } return $result; } @@ -418,48 +571,47 @@ sub newproblem { 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 $dest = &Apache::lonnet::filelocation("",$request->uri); copy($file,$dest); &renderpage($request,$dest); - } elsif($ENV{'form.newfile'}) { + } elsif($ENV{'form.newfile'} && !$templatelist) { # I don't like hard-coded filenames but for now, this will work. use File::Copy; - my $templatefilename = + 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); + } else { my $url=$request->uri; my $dest = &Apache::lonnet::filelocation("",$request->uri); - if (!defined($templatelist)) { - # We didn't find a template, so just create a blank problem. - $request->print(< -The requested file $url doesn\'t exist. You can create a new $extension
-
-
-
- -ENDNEWPROBLEM - return ''; - } + my $errormsg; + if ($ENV{'form.newfile'}) { + $errormsg='

You did not select a template.

'."\n"; + } + my $instructions; + if ($templatelist) { $instructions=", select a template from the pull-down menu below.
Then";} $request->print(< -The requested file $url doesn\'t exist. You can create a new $extension
-
-
- -
- +

Creating a new $extension resource

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

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

+

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

"); } return ''; } @@ -481,7 +633,7 @@ sub handler { #my $t0 = [&gettimeofday()]; my $request=$_[0]; - 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; @@ -508,16 +660,28 @@ sub handler { # 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 ( $Apache::lonnet::perlvar{'MODPERL2'} ) { + &Apache::lonnet::cleanenv(); + } + $request->internal_redirect('/adm/ambiguous'); return; } } + my ($symb) = &Apache::lonxml::whichuser(); + &Apache::lonxml::debug('symb is '.$symb); + if ($ENV{'request.state'} eq "construct" || $symb eq '') { + if ($ENV{'form.resetdata'} eq 'Reset Submissions' || + $ENV{'form.resetdata'} eq 'New Problem Variation' || + $ENV{'form.newrandomization'} eq 'New Randomization') { + my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); + &Apache::lonnet::tmpreset($symb,'',$domain,$name); +&Apache::lonxml::debug("Attempt reset"); + } + } 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 $file ) { + &Apache::loncommon::get_unprocessed_cgi + ($ENV{'QUERY_STRING'},['problemmode']); if (!(defined $ENV{'form.problemmode'})) { #first visit to problem in construction space #&view_or_edit_menu($request); @@ -525,7 +689,7 @@ sub handler { &renderpage($request,$file); } elsif ($ENV{'form.problemmode'} eq 'EditXML') { &editxmlmode($request,$file); - } elsif ($ENV{'form.problemmode'} eq 'Answer Distribution') { + } elsif ($ENV{'form.problemmode'} eq 'Calculate answers') { &analyze($request,$file); } else { &renderpage($request,$file);