--- loncom/homework/lonhomework.pm 2011/02/06 18:43:10 1.323 +++ loncom/homework/lonhomework.pm 2018/09/18 14:30:19 1.373 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Homework handler # -# $Id: lonhomework.pm,v 1.323 2011/02/06 18:43:10 www Exp $ +# $Id: lonhomework.pm,v 1.373 2018/09/18 14:30:19 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -49,15 +49,21 @@ use Apache::matchresponse(); use Apache::chemresponse(); use Apache::functionplotresponse(); use Apache::drawimage(); +use Apache::loncapamath(); use Apache::Constants qw(:common); use Apache::loncommon(); +use Apache::lonparmset(); +use Apache::lonnavmaps(); use Apache::lonlocal; +use LONCAPA qw(:DEFAULT :match); +use LONCAPA::ltiutils(); use Time::HiRes qw( gettimeofday tv_interval ); use HTML::Entities(); use File::Copy(); # FIXME - improve commenting +my $registered_cleanup; BEGIN { &Apache::lonxml::register_insert(); @@ -147,6 +153,8 @@ sub get_target { } else { if ($env{'form.problemstate'} eq 'WEB_GRADE') { return ('grade','webgrade','answer'); + } elsif ($env{'form.problemmode'} eq 'view') { + return ('grade','web','answer'); } elsif ($env{'form.problemmode'} eq 'saveview') { return ('modified','web','answer'); } elsif ($env{'form.problemmode'} eq 'discard') { @@ -161,7 +169,7 @@ sub get_target { } } # -# End of Construction Space +# End of Authoring Space # } # @@ -186,7 +194,7 @@ sub proctor_checked_in { if ($type eq 'Task') { my $version=$Apache::lonhomework::history{'resource.0.version'}; $key ="resource.$version.0.checkedin"; - } elsif ($type eq 'problem') { + } elsif (($type eq 'problem') || ($type eq 'tool')) { $key ='resource.0.checkedin'; } # backward compatability, used to be username@domain, @@ -201,24 +209,56 @@ sub proctor_checked_in { return 1; } } - return 0; } sub check_slot_access { - my ($id,$type)=@_; + my ($id,$type,$symb,$partlist)=@_; # does it pass normal muster - my ($status,$datemsg)=&check_access($id); - - my $useslots = &Apache::lonnet::EXT("resource.0.useslots"); + my ($status,$datemsg)=&check_access($id,$symb); + + my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb); if ($useslots ne 'resource' && $useslots ne 'map' && $useslots ne 'map_map') { return ($status,$datemsg); } - if ($status eq 'SHOW_ANSWER' || - $status eq 'CLOSED' || + my $checkin = 'resource.0.checkedin'; + my $version; + if ($type eq 'Task') { + $version=$Apache::lonhomework::history{'resource.version'}; + $checkin = "resource.$version.0.checkedin"; + } + my $checkedin = $Apache::lonhomework::history{$checkin}; + my ($returned_slot,$slot_name,$checkinslot,$ipused,$blockip,$now,$ip, + $consumed_uniq); + $now = time; + $ip=$ENV{'REMOTE_ADDR'} || $env{'request.host'}; + + if ($checkedin) { + $checkinslot = $Apache::lonhomework::history{"$checkin.slot"}; + my %slot=&Apache::lonnet::get_slot($checkinslot); + $consumed_uniq = $slot{'uniqueperiod'}; + if ($slot{'iptied'}) { + $ipused = $Apache::lonhomework::history{"$checkin.ip"}; + unless (($ip ne '') && ($ipused eq $ip)) { + $blockip = $slot{'iptied'}; + $slot_name = $checkinslot; + $returned_slot = \%slot; + } + } + } + + if ($status eq 'SHOW_ANSWER') { + if ($blockip eq 'answer') { + return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused); + } else { + return ($status,$datemsg); + } + } + + if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS' || $status eq 'UNAVAILABLE') { return ($status,$datemsg); @@ -226,38 +266,77 @@ sub check_slot_access { if ($env{'request.state'} eq "construct") { return ($status,$datemsg); } - + if ($type eq 'Task') { - my $version=$Apache::lonhomework::history{'resource.version'}; - if ($Apache::lonhomework::history{"resource.$version.0.checkedin"} && + if ($checkedin && $Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass') { - return ('SHOW_ANSWER'); - } + if ($blockip eq 'answer') { + return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused); + } else { + return ('SHOW_ANSWER'); + } + } } - my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent"); - my $available = &Apache::lonnet::EXT("resource.0.available"); + my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent",$symb); + my $available = &Apache::lonnet::EXT("resource.0.available",$symb); my @slots= (split(':',$availablestudent),split(':',$available)); # if (!@slots) { # return ($status,$datemsg); # } + undef($returned_slot); + undef($slot_name); my $slotstatus='NOT_IN_A_SLOT'; - my ($returned_slot,$slot_name); + my $num_usable_slots = 0; + if (!$symb) { + ($symb) = &Apache::lonnet::whichuser(); + } foreach my $slot (@slots) { $slot =~ s/(^\s*|\s*$)//g; &Apache::lonxml::debug("getting $slot"); my %slot=&Apache::lonnet::get_slot($slot); &Apache::lonhomework::showhash(%slot); - if ($slot{'starttime'} < time && - $slot{'endtime'} > time && + next if ($slot{'endtime'} < $now); + $num_usable_slots ++; + if ($slot{'starttime'} < $now && + $slot{'endtime'} > $now && &Apache::loncommon::check_ip_acc($slot{'ip'})) { - &Apache::lonxml::debug("$slot is good"); - $slotstatus='NEEDS_CHECKIN'; - $returned_slot=\%slot; - $slot_name=$slot; - last; - } + if ($slot{'iptied'}) { + if ($env{'request.course.id'}) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + if ($slot eq $checkinslot) { + if ($ip eq $ipused) { + &Apache::lonxml::debug("$slot is good"); + $slotstatus ='NEEDS_CHECKIN'; + } else { + $slotstatus = 'NEED_DIFFERENT_IP'; + $slot_name = $slot; + $returned_slot = \%slot; + last; + } + } elsif ($ip) { + my $uniqkey = "$slot\0$symb\0$ip"; + my %used_ip = &Apache::lonnet::get('slot_uniqueips',[$uniqkey],$cdom,$cnum); + if ($used_ip{$uniqkey}) { + $slotstatus = 'NEED_DIFFERENT_IP'; + } else { + &Apache::lonxml::debug("$slot is good"); + $slotstatus ='NEEDS_CHECKIN'; + } + } + } + } else { + &Apache::lonxml::debug("$slot is good"); + $slotstatus='NEEDS_CHECKIN'; + } + if ($slotstatus eq 'NEEDS_CHECKIN') { + $returned_slot=\%slot; + $slot_name=$slot; + last; + } + } } if ($slotstatus eq 'NEEDS_CHECKIN' && &proctor_checked_in($slot_name,$returned_slot,$type)) { @@ -265,7 +344,7 @@ sub check_slot_access { $slotstatus=$status; } - my ($is_correct,$got_grade,$checkedin); + my ($is_correct,$got_grade); if ($type eq 'Task') { my $version=$Apache::lonhomework::history{'resource.0.version'}; $got_grade = @@ -274,13 +353,49 @@ sub check_slot_access { $is_correct = ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' || $Apache::lonhomework::history{"resource.0.solved"} =~ /^correct_/ ); - $checkedin = - $Apache::lonhomework::history{"resource.$version.0.checkedin"}; - } elsif ($type eq 'problem') { - $got_grade = 1; - $checkedin = $Apache::lonhomework::history{"resource.0.checkedin"}; - $is_correct = - ($Apache::lonhomework::history{"resource.0.solved"} =~/^correct_/); + } elsif (($type eq 'problem') || ($type eq 'tool')) { + if ((ref($partlist) eq 'ARRAY') && (@{$partlist} > 0)) { + my ($numcorrect,$numgraded) = (0,0); + foreach my $part (@{$partlist}) { + my $currtries = $Apache::lonhomework::history{"resource.$part.tries"}; + my $maxtries = &Apache::lonnet::EXT("resource.$part.maxtries",$symb); + my $probstatus = &Apache::structuretags::get_problem_status($part); + my $earlyout; + unless (($probstatus eq 'no') || + ($probstatus eq 'no_feedback_ever')) { + if ($Apache::lonhomework::history{"resource.$part.solved"} =~/^correct_/) { + $numcorrect ++; + } else { + $earlyout = 1; + } + } + if (($currtries == $maxtries) || ($is_correct)) { + $earlyout = 1; + } else { + $numgraded ++; + } + last if ($earlyout); + } + my $numparts = scalar(@{$partlist}); + if ($numparts == $numcorrect) { + $is_correct = 1; + } + if ($numparts == $numgraded) { + $got_grade = 1; + } + } else { + my $currtries = $Apache::lonhomework::history{"resource.0.tries"}; + my $maxtries = &Apache::lonnet::EXT("resource.0.maxtries",$symb); + my $probstatus = &Apache::structuretags::get_problem_status('0'); + unless (($probstatus eq 'no') || + ($probstatus eq 'no_feedback_ever')) { + $is_correct = + ($Apache::lonhomework::history{"resource.0.solved"} =~/^correct_/); + } + unless (($currtries == $maxtries) || ($is_correct)) { + $got_grade = 1; + } + } } &Apache::lonxml::debug(" slot is $slotstatus checkedin ($checkedin) got_grade ($got_grade) is_correct ($is_correct)"); @@ -297,43 +412,127 @@ sub check_slot_access { # However, the problem is not closed, and potentially, another slot might be # used to gain access to it to work on it, until the due date is reached, and the # problem then becomes CLOSED. Therefore return the slotstatus - - # (which will be NOT_IN_SLOT). - if (!defined($slot_name) - && $checkedin - && $type eq 'problem') { - return ($slotstatus); + # (which will be one of: NOT_IN_A_SLOT, RESERVABLE, RESERVABLE_LATER, or NOTRESERVABLE). + + if (!defined($slot_name) && (($type eq 'problem') || ($type eq 'tool'))) { + if ($slotstatus eq 'NOT_IN_A_SLOT') { + if (!$num_usable_slots) { + ($slotstatus,$datemsg) = &check_reservable_slot($slotstatus,$symb,$now,$checkedin, + $consumed_uniq); + } + } + return ($slotstatus,$datemsg); } if ($slotstatus eq 'NOT_IN_A_SLOT' && $checkedin ) { if ($got_grade) { - return ('SHOW_ANSWER'); + if ($blockip eq 'answer') { + return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused); + } else { + return ('SHOW_ANSWER'); + } } else { return ('WAITING_FOR_GRADE'); } } - if ( $is_correct) { - if ($type eq 'problem') { + if (($is_correct) && ($blockip ne 'answer')) { + if (($type eq 'problem') || ($type eq 'tool')) { return ($status); } return ('SHOW_ANSWER'); } if ( $status eq 'CANNOT_ANSWER' && - ($slotstatus ne 'NEEDS_CHECKIN' && $slotstatus ne 'NOT_IN_A_SLOT')) { + ($slotstatus ne 'NEEDS_CHECKIN' && $slotstatus ne 'NOT_IN_A_SLOT' && + $slotstatus ne 'NEED_DIFFERENT_IP') ) { return ($status,$datemsg); } + return ($slotstatus,$datemsg,$slot_name,$returned_slot,$ipused); +} - return ($slotstatus,$datemsg,$slot_name,$returned_slot); +sub check_reservable_slot { + my ($slotstatus,$symb,$now,$checkedin,$consumed_uniq) = @_; + my $datemsg; + if ($slotstatus eq 'NOT_IN_A_SLOT') { + if ($env{'request.course.id'}) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + unless ($symb) { + ($symb)=&Apache::lonnet::whichuser(); + } + $slotstatus = 'NOTRESERVABLE'; + my ($reservable_now_order,$reservable_now,$reservable_future_order, + $reservable_future) = + &Apache::loncommon::get_future_slots($cnum,$cdom,$now,$symb); + if ((ref($reservable_now_order) eq 'ARRAY') && (ref($reservable_now) eq 'HASH')) { + if (@{$reservable_now_order} > 0) { + if ((!$checkedin) || (ref($consumed_uniq) ne 'ARRAY')) { + $slotstatus = 'RESERVABLE'; + $datemsg = $reservable_now->{$reservable_now_order->[-1]}{'endreserve'}; + } else { + my ($uniqstart,$uniqend,$useslot); + if (ref($consumed_uniq) eq 'ARRAY') { + ($uniqstart,$uniqend)=@{$consumed_uniq}; + } + foreach my $slot (reverse(@{$reservable_now_order})) { + if ($reservable_now->{$slot}{'uniqueperiod'} =~ /^(\d+)\,(\d+)$/) { + my ($new_uniq_start,$new_uniq_end) = ($1,$2); + next if (! + ($uniqstart < $new_uniq_start && $uniqend < $new_uniq_start) || + ($uniqstart > $new_uniq_end && $uniqend > $new_uniq_end )); + } + $useslot = $slot; + last; + } + if ($useslot) { + $slotstatus = 'RESERVABLE'; + $datemsg = $reservable_now->{$useslot}{'endreserve'}; + } + } + } + } + unless ($slotstatus eq 'RESERVABLE') { + if ((ref($reservable_future_order) eq 'ARRAY') && (ref($reservable_future) eq 'HASH')) { + if (@{$reservable_future_order} > 0) { + if ((!$checkedin) || (ref($consumed_uniq) ne 'ARRAY')) { + $slotstatus = 'RESERVABLE_LATER'; + $datemsg = $reservable_future->{$reservable_future_order->[0]}{'startreserve'}; + } else { + my ($uniqstart,$uniqend,$useslot); + if (ref($consumed_uniq) eq 'ARRAY') { + ($uniqstart,$uniqend)=@{$consumed_uniq}; + } + foreach my $slot (@{$reservable_future_order}) { + if ($reservable_future->{$slot}{'uniqueperiod'} =~ /^(\d+),(\d+)$/) { + my ($new_uniq_start,$new_uniq_end) = ($1,$2); + next if (! + ($uniqstart < $new_uniq_start && $uniqend < $new_uniq_start) || + ($uniqstart > $new_uniq_end && $uniqend > $new_uniq_end )); + } + $useslot = $slot; + last; + } + if ($useslot) { + $slotstatus = 'RESERVABLE_LATER'; + $datemsg = $reservable_future->{$useslot}{'startreserve'}; + } + } + } + } + } + } + } + return ($slotstatus,$datemsg); } # JB, 9/24/2002: Any changes in this function may require a change # in lonnavmaps::resource::getDateStatus. sub check_access { - my ($id) = @_; + my ($id,$symb) = @_; my $date =''; my $status; my $datemsg = ''; @@ -363,27 +562,34 @@ sub check_access { &Apache::lonxml::debug("checking for part :$id:"); &Apache::lonxml::debug("time:".time); - my ($symb)=&Apache::lonnet::whichuser(); + unless ($symb) { + ($symb)=&Apache::lonnet::whichuser(); + } &Apache::lonxml::debug("symb:".$symb); #if ($env{'request.state'} ne "construct" && $symb ne '') { if ($env{'request.state'} ne "construct") { - my $idacc = &Apache::lonnet::EXT("resource.$id.acc"); + my $idacc = &Apache::lonnet::EXT("resource.$id.acc",$symb); my $allowed=&Apache::loncommon::check_ip_acc($idacc); if (!$allowed && ($Apache::lonhomework::browse ne 'F')) { $status='INVALID_ACCESS'; $date=&mt("can not be accessed from your location."); return($status,$date); } - + if ($env{'form.grade_imsexport'}) { + if (($env{'request.course.id'}) && + (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) { + return ('SHOW_ANSWER'); + } + } foreach my $temp ("opendate","duedate","answerdate") { $lastdate = $date; if ($temp eq 'duedate') { - $date = &due_date($id); + $date = &due_date($id,$symb); } else { - $date = &Apache::lonnet::EXT("resource.$id.$temp"); + $date = &Apache::lonnet::EXT("resource.$id.$temp",$symb); } - my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type"); + my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type",$symb); if ($thistype =~ /^(con_lost|no_such_host)/ || $date =~ /^(con_lost|no_such_host)/) { $status='UNAVAILABLE'; @@ -392,10 +598,10 @@ sub check_access { } if ($thistype eq 'date_interval') { if ($temp eq 'opendate') { - $date=&Apache::lonnet::EXT("resource.$id.duedate")-$date; + $date=&Apache::lonnet::EXT("resource.$id.duedate",$symb)-$date; } if ($temp eq 'answerdate') { - $date=&Apache::lonnet::EXT("resource.$id.duedate")+$date; + $date=&Apache::lonnet::EXT("resource.$id.duedate",$symb)+$date; } } &Apache::lonxml::debug("found :$date: for :$temp:"); @@ -415,30 +621,33 @@ sub check_access { $datemsg=$date; } elsif ($type eq 'opendate') { $status='CLOSED'; - $datemsg = &mt("will open on")." $date"; + $datemsg = &mt('will open on [_1]',$date); } elsif ($type eq 'duedate') { $status='CAN_ANSWER'; - $datemsg = &mt("is due at")." $date"; + $datemsg = &mt('is due at [_1]',$date); } elsif ($type eq 'answerdate') { $status='CLOSED'; - $datemsg = &mt("was due on")." $lastdate".&mt(", and answers will be available on")." $date"; + $datemsg = &mt('was due on [_1], and answers will be available on [_2]', + $lastdate,$date); } } if ($status eq 'CAN_ANSWER' || (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED'))) { #check #tries, and if correct. my $tries = $Apache::lonhomework::history{"resource.$id.tries"}; - my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries"); + my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries",$symb); if ( $tries eq '' ) { $tries = '0'; } if ( $maxtries eq '' && $env{'request.state'} ne 'construct') { $maxtries = '2'; } if ($maxtries && $tries >= $maxtries) { $status = 'CANNOT_ANSWER'; } # if (correct and show prob status) or excused then CANNOT_ANSWER - if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/ - && - &show_problem_status()) - || - $Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) { + if ( ($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/) + && (&show_problem_status()) ) { + if (($Apache::lonhomework::history{"resource.$id.awarded"} >= 1) || + (&Apache::lonnet::EXT("resource.$id.retrypartial",$symb) !~/^1|on|yes$/i)) { + $status = 'CANNOT_ANSWER'; + } + } elsif ($Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) { $status = 'CANNOT_ANSWER'; } if ($status eq 'CANNOT_ANSWER' @@ -447,17 +656,18 @@ sub check_access { } } if ($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER') { - my @interval=&Apache::lonnet::EXT("resource.$id.interval"); + my @interval=&Apache::lonnet::EXT("resource.$id.interval",$symb); &Apache::lonxml::debug("looking for interval @interval"); - if ($interval[0]) { - my $first_access=&Apache::lonnet::get_first_access($interval[1]); + if ($interval[0]=~ /^\d+/) { + my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb); &Apache::lonxml::debug("looking for accesstime $first_access"); if (!$first_access) { $status='NOT_YET_VIEWED'; - my $due_date = &due_date($id); + my $due_date = &due_date($id,$symb); my $seconds_left = $due_date - time; - if ($seconds_left > $interval[0] || $due_date eq '') { - $seconds_left = $interval[0]; + my ($timelimit) = ($interval[0] =~ /^(\d+)/); + if ($seconds_left > $timelimit || $due_date eq '') { + $seconds_left = $timelimit; } $datemsg=&seconds_to_human_length($seconds_left); } @@ -469,7 +679,6 @@ sub check_access { # return ('UNCHECKEDOUT','needs to be checked out'); #} - &Apache::lonxml::debug("sending back :$status:$datemsg:"); if (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED')) { &Apache::lonxml::debug("should be allowed to browse a resource when closed"); @@ -493,7 +702,8 @@ sub due_date { my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb); &Apache::lonxml::debug("looking for first_access $first_access ($interval[1])"); if (defined($first_access)) { - my $interval = $first_access+$interval[0]; + my ($timelimit) = ($interval[0] =~ /^(\d+)/); + my $interval = $first_access+$timelimit; $date = (!$due_date || $interval < $due_date) ? $interval : $due_date; } else { @@ -502,7 +712,7 @@ sub due_date { } else { $date = $due_date; } - return $date + return $date; } sub seconds_to_human_length { @@ -551,7 +761,7 @@ sub showarray { sub showhashsubset { my ($hash,$keyre) = @_; my $resultkey; - foreach $resultkey (sort keys %$hash) { + foreach $resultkey (sort(keys(%$hash))) { if ($resultkey !~ /$keyre/) { next; } if (ref($$hash{$resultkey}) eq 'ARRAY' ) { &Apache::lonxml::debug("$resultkey ---- ". @@ -569,6 +779,9 @@ sub showhashsubset { sub setuppermissions { $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$env{'request.filename'}); + unless ($Apache::lonhomework::browse eq 'F') { + $Apache::lonhomework::browse=&Apache::lonnet::allowed('bro',$env{'request.filename'}); + } my $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'}); if (! $viewgrades && exists($env{'request.course.sec'}) && @@ -628,7 +841,7 @@ sub setupheader { } sub handle_save_or_undo { - my ($request,$problem,$result) = @_; + my ($request,$problem,$result,$getobjref) = @_; my $file = &Apache::lonnet::filelocation("",$request->uri); my $filebak =$file.".bak"; @@ -671,6 +884,30 @@ sub handle_save_or_undo { my $fh=Apache::File->new(">$file"); if (defined($fh)) { print $fh $$result; + if (ref($getobjref) eq 'SCALAR') { + if ($file =~ m{([^/]+)\.(html?)$}) { + my $fname = $1; + my $ext = $2; + my $path = $file; + $path =~ s/\Q$fname\E\.\Q$ext\E$//; + my (%allfiles,%codebase); + &Apache::lonnet::extract_embedded_items($file,\%allfiles, + \%codebase,$result); + if (keys(%allfiles) > 0) { + my $url = $request->uri; + my $state = < + +STATE + $$getobjref = "

".&mt("Reference Warning")."

". + "

".&mt("Completed upload of the file. This file contained references to other files.")."

". + "

".&mt("Please select the locations from which the referenced files are to be uploaded.")."

". + &Apache::loncommon::ask_for_embedded_content($url,$state,\%allfiles,\%codebase, + {'error_on_invalid_names' => 1, + 'ignore_remote_references' => 1,}); + } + } + } } else { &Apache::lonxml::info(''. &mt("Unable to write to [_1]", @@ -688,8 +925,8 @@ sub analyze_header { my $js = &Apache::structuretags::setmode_javascript(); # Breadcrumbs - my $brcrum = [{'href' => &Apache::loncommon::authorspace(), - 'text' => 'Construction Space'}, + my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri), + 'text' => 'Authoring Space'}, {'href' => '', 'text' => 'Problem Testing'}, {'href' => '', @@ -702,8 +939,7 @@ sub analyze_header { .&Apache::loncommon::head_subbox( &Apache::loncommon::CSTR_pageheader()); $result .= - &Apache::lonxml::message_location().' -
'. ''. @@ -717,8 +953,9 @@ sub analyze_header {
- -
'; + ' + .&Apache::lonxml::message_location(). + ''; &Apache::lonxml::add_messages(\$result); $request->print($result); $request->rflush(); @@ -740,13 +977,9 @@ sub analyze { my $rndseed=$env{'form.rndseed'}; &analyze_header($request); my %prog_state= - &Apache::lonhtmlcommon::Create_PrgWin($request,&mt('Analyze Progress'), - &mt('Getting Problem Variants'), - $env{'form.numtoanalyze'}, - 'inline',undef); + &Apache::lonhtmlcommon::Create_PrgWin($request,$env{'form.numtoanalyze'}); for(my $i=1;$i<$env{'form.numtoanalyze'}+1;$i++) { - &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state, - &mt('last problem')); + &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state,'last problem'); if (&Apache::loncommon::connection_aborted($request)) { return; } my $thisseed=$i+$rndseed; my $subresult=&Apache::lonnet::ssi($request->uri, @@ -755,7 +988,7 @@ sub analyze { (my $garbage,$subresult)=split(/_HASH_REF__/,$subresult,2); my %analyze=&Apache::lonnet::str2hash($subresult); my @parts; - if (defined(@{ $analyze{'parts'} })) { + if (ref($analyze{'parts'}) eq 'ARRAY') { @parts=@{ $analyze{'parts'} }; } foreach my $part (@parts) { @@ -788,15 +1021,15 @@ sub analyze { } } } - &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state, - &mt('Analyzing Results')); + &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'} })) { + if ((ref($overall{$part.'.answer'}) eq 'ARRAY') && + (@{$overall{$part.'.answer'}} > 0)) { for (my $i=0;$iprint(&Apache::loncommon::start_data_table() @@ -894,16 +1127,15 @@ sub editxmlmode { my $problem=&Apache::lonnet::getfile($file); if ($problem eq -1) { &Apache::lonxml::error( - ' ' + '

' .&mt('Unable to find [_1]', ''.$file.'') - .''); + .'

'); $problem=''; } - if (($env{'form.problemmode'} eq 'saveeditxml') || - ($env{'form.problemmode'} eq 'saveviewxml') || + ($env{'form.problemmode'} eq 'saveviewxml') || ($env{'form.problemmode'} eq 'undoxml')) { my $error=&handle_save_or_undo($request,\$problem, \$env{'form.editxmltext'}); @@ -926,8 +1158,8 @@ sub editxmlmode { &Apache::lonhtmlcommon::dragmath_js("EditMathPopup"); # Breadcrumbs - my $brcrum = [{'href' => &Apache::loncommon::authorspace(), - 'text' => 'Construction Space'}, + my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri), + 'text' => 'Authoring Space'}, {'href' => '', 'text' => 'Problem Editing'}]; @@ -949,27 +1181,88 @@ sub editxmlmode { '
'. &Apache::structuretags::remember_problem_state().' -
- -
-

'.&mt('Problem Editing').' '.&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index').'

- 		- '.&Apache::loncommon::helpLatexCheatsheet('Problem_LON-CAPA_Functions','Script Functions').' -
'; +
+
'. + &mt('Problem Editing').' '.&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index'). + '
'; - $result.=''. + $result.=''. &Apache::structuretags::problem_edit_buttons('editxml'); + $result.='
'; + + $result .= '
    '; + + unless ($env{'environment.nocodemirror'}) { + # dropdown menus + $result .= Apache::lonmenu::create_submenu("#", "", + &mt("Problem Templates"), template_dropdown_datastructure()); + + $result .= Apache::lonmenu::create_submenu("#", "", + &mt("Response Types"), responseblock_dropdown_datastructure()); + + $result .= Apache::lonmenu::create_submenu("#", "", + &mt("Conditional Blocks"), conditional_scripting_datastructure()); + + $result .= Apache::lonmenu::create_submenu("#", "", + &mt("Miscellaneous"), misc_datastructure()); + } + + $result .= Apache::lonmenu::create_submenu("#", "", + &mt("Help") . ' ' . &mt(', + helpmenu_datastructure(),""); + + $result.="
"; - $result.='
'.&Apache::lonxml::message_location().'
'. - ' -
-
- '.&Apache::loncommon::end_page(); - &Apache::lonxml::add_messages(\$result); - $request->print($result); + $result .= '
' . + &Apache::lonxml::message_location() . + &Apache::loncommon::xmleditor_js() . + '
'; + + my $resource = $env{'request.ambiguous'}; + unless($env{'environment.nocodemirror'}){ + $result .= ' + + '; + } + + $result .= &Apache::loncommon::end_page(); + &Apache::lonxml::add_messages(\$result); + $request->print($result); } return ''; } @@ -978,7 +1271,7 @@ sub editxmlmode { # Render the page in whatever target desired. # sub renderpage { - my ($request,$file,$targets,$return_string) = @_; + my ($request,$file,$targets,$return_string,$donebuttonmsg) = @_; my @targets = @{$targets || [&get_target()]}; &Apache::lonhomework::showhashsubset(\%env,'form.'); @@ -1004,12 +1297,13 @@ sub renderpage { $problem=''; my $filename=(split('/',$file))[-1]; my $error = - " ".&mt('Unable to find [_1]', + '

' + .&mt('Unable to find [_1]', ''.$filename.'') - .""; + ."

"; $result.= &Apache::loncommon::simple_error_page($request,'Not available', - $error); + $error,{'no_auto_mt_msg' => 1}); return; } @@ -1030,7 +1324,12 @@ sub renderpage { if ($target eq 'analyze') { $result=&Apache::lonnet::hashref2str(\%Apache::lonhomework::analyze); undef(%Apache::lonhomework::analyze); - } + } elsif ($target eq 'web') { + if ($donebuttonmsg) { + $result =~ s{}{}; + $result.= &Apache::loncommon::confirmwrapper(&Apache::lonhtmlcommon::confirm_success($donebuttonmsg,1))."\n"; + } + } #my $td=&tv_interval($t0); #if ( $Apache::lonxml::debug) { #$result =~ s:::; @@ -1057,7 +1356,25 @@ sub finished_parsing { undef($Apache::lonhomework::parsing_a_task); } -sub get_template_list { +# function extracted from get_template_html +# returns "key" -> list +# key: path of template +# value 1: title +# value 2: category +# value 3: name of help topic ??? +sub get_template_list{ + my ($extension) = @_; + + my @files = glob($Apache::lonnet::perlvar{'lonIncludes'}. + '/templates/*.'.$extension); + @files = map {[$_,&mt(&Apache::lonnet::metadata($_, 'title')), + (&Apache::lonnet::metadata($_, 'category')?&mt(&Apache::lonnet::metadata($_, 'category')):&mt('Miscellaneous')), + &mt(&Apache::lonnet::metadata($_, 'help'))]} (@files); + @files = sort {$a->[2].$a->[1] cmp $b->[2].$b->[1]} (@files); + return @files; +} + +sub get_template_html { my ($extension) = @_; my $result; my @allnames; @@ -1066,13 +1383,9 @@ sub get_template_list { if ($extension eq 'survey' || $extension eq 'exam') { $glob_extension = 'problem'; } - my @files = glob($Apache::lonnet::perlvar{'lonIncludes'}. - '/templates/*.'.$glob_extension); - @files = map {[$_,&mt(&Apache::lonnet::metadata($_, 'title')), - (&Apache::lonnet::metadata($_, 'category')?&mt(&Apache::lonnet::metadata($_, 'category')):&mt('Miscellaneous')), - &mt(&Apache::lonnet::metadata($_, 'help'))]} (@files); - @files = sort {$a->[2].$a->[1] cmp $b->[2].$b->[1]} (@files); + my @files = &get_template_list($extension); my ($midpoint,$seconddiv,$numfiles); + my @noexamplelink = ('blank.problem','blank.library','script.library'); $numfiles = 0; foreach my $file (@files) { next if ($file->[1] !~ /\S/); @@ -1088,6 +1401,7 @@ sub get_template_list { my $count = 0; my $currentcategory=''; my $first = 1; + my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'}; foreach my $file (@files) { next if ($file->[1] !~ /\S/); if ($file->[2] ne $currentcategory) { @@ -1110,11 +1424,16 @@ sub get_template_list { if ($file->[3]) { $result.=&Apache::loncommon::help_open_topic($file->[3]); } + # Provide example link my $filename=$file->[0]; - $filename=~s/^\/home\/httpd\/html//; - $result.=' ' - .''.&mt('Example').'' - .'
'."\n"; + $filename=~s{^\Q$londocroot\E}{}; + if (!(grep($filename =~ /\Q$_\E$/,@noexamplelink))) { + $result .= ' ' + .&Apache::loncommon::modal_link( + $filename.'?inhibitmenu=yes',&mt('Example'),600,420,'sample') + .''; + } + $result .= '
'."\n"; $count ++; } if ($numfiles > 0) { @@ -1126,17 +1445,44 @@ sub get_template_list { sub newproblem { my ($request) = @_; + if ($env{'form.mode'} eq 'blank'){ + my $dest = &Apache::lonnet::filelocation("",$request->uri); + my $templatefilename = + $request->dir_config('lonIncludes').'/templates/blank.problem'; + &File::Copy::copy($templatefilename,$dest); + &renderpage($request,$dest); + return; + } + my $errormsg; if ($env{'form.template'}) { - my $file = $env{'form.template'}; - my $dest = &Apache::lonnet::filelocation("",$request->uri); - &File::Copy::copy($file,$dest); - &renderpage($request,$dest); - return; + my $file; + my ($extension) = ($env{'form.template'} =~ /\.(\w+)$/); + if ($extension) { + my @files = &get_template_list($extension); + foreach my $poss (@files) { + if (ref($poss) eq 'ARRAY') { + if ($env{'form.template'} eq $poss->[0]) { + $file = $env{'form.template'}; + last; + } + } + } + if ($file) { + my $dest = &Apache::lonnet::filelocation("",$request->uri); + &File::Copy::copy($file,$dest); + &renderpage($request,$dest); + return; + } else { + $errormsg = '

'.&mt('Invalid template file.').'

'; + } + } else { + $errormsg = '

'.&mt('Invalid template file; template needs to be a .problem, .library, or .task file.').'

'; + } } my ($extension) = ($request->uri =~ m/\.(\w+)$/); &Apache::lonxml::debug("Looking for :$extension:"); - my $templatelist=&get_template_list($extension); + my $templatelist=&get_template_html($extension); if ($env{'form.newfile'} && !$templatelist) { # no templates found my $templatefilename = @@ -1147,13 +1493,10 @@ sub newproblem { &renderpage($request,$dest); } else { my $url=&HTML::Entities::encode($request->uri,'<>&"'); - my $shownurl=$url; - $shownurl=~s-^/~-/priv/-; my $dest = &Apache::lonnet::filelocation("",$request->uri); - my $errormsg; my $instructions; - my $brcrum = [{'href' => &Apache::loncommon::authorspace(), - 'text' => 'Construction Space'}, + my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri), + 'text' => 'Authoring Space'}, {'href' => '', 'text' => "Create New $extension"}]; my $start_page = @@ -1167,7 +1510,7 @@ sub newproblem { .'

'.&mt("Creating a new $extension resource.")."

$errormsg ".&mt("The requested file [_1] currently does not exist.", - ''.$shownurl.'').' + ''.$url.'').'

'.&mt("To create a new $extension, select a template from the". " list below. Then click on the \"Create $extension\" button.").' @@ -1200,10 +1543,75 @@ sub update_construct_style { } } +# +# Sets interval for current user so time left will be zero, either for the entire folder +# containing the current resource, or just the resource, depending on value of first item +# in interval array retrieved from EXT("resource.0.interval"); +# +sub zero_timer { + my ($symb) = @_; + my ($hastimeleft,$first_access,$now); + my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb); + if (@interval > 1) { + if ($interval[1] eq 'course') { + return ('fail',&mt('Ending of timed events not supported for intervals set course-wide')); + } else { + my $now = time; + my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb); + if ($first_access > 0) { + my ($timelimit,$donesuffix) = split(/_/,$interval[0],2); + if ($donesuffix =~ /^done(?:|\:[^\:]+\:)(.*)$/) { + my ($dummy,$proctor,$secret) = split(/_/,$1); + if (($proctor) && ($secret ne '')) { + my $key = $env{'form.LC_interval_done_proctorpass'}; + $key =~ s/^\s+//; + $key =~ s/\s+$//; + if ($env{'form.LC_interval_done_proctorpass'} ne $secret) { + return ('fail', + &mt('Incorrect key entered by proctor')); + } + } + if ($first_access+$timelimit > $now) { + my $done_time = $now - $first_access; + my $snum = 1; + if ($interval[1] eq 'map') { + $snum = 2; + } + my $result = + &Apache::lonparmset::storeparm_by_symb_inner($symb,'0_interval', + $snum,$done_time, + 'date_interval', + $env{'user.name'}, + $env{'user.domain'}); + if ($result eq '') { + # Record action in "User Notes" + &Apache::lonmsg::store_instructor_comment( + 'Pressed Done button for symb:
'.$symb, + $env{'user.name'}, $env{'user.domain'}); + return ('ok'); + } else { + return ('fail',&mt('Error ending timed event: [_1]',$result)); + } + } else { + return ('fail',&mt('Timed event already ended')); + } + } else { + return ('fail',&mt('Timed event can not be ended before the time limit')); + } + } else { + return ('fail',&mt('Timer not yet started for this timed event')); + } + } + } else { + return ('fail',&mt('No timer in use')); + } + return(); +} sub handler { #my $t0 = [&gettimeofday()]; my $request=$_[0]; + $Apache::lonxml::request=$request; $Apache::lonxml::debug=$env{'user.debug'}; $env{'request.uri'}=$request->uri; @@ -1212,7 +1620,7 @@ sub handler { 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('','',1,1)) { # if we are browsing we might not be able to know where we are if ($Apache::lonhomework::browse ne 'F' && $env{'request.state'} ne "construct") { @@ -1226,6 +1634,7 @@ sub handler { &unset_permissions(); return OK; } + &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:$Apache::lonhomework::modifygrades:$Apache::lonhomework::queuegrade"); &Apache::lonxml::debug("Problem Mode ".$env{'form.problemmode'}); my ($symb) = &Apache::lonnet::whichuser(); @@ -1250,13 +1659,31 @@ sub handler { &renderpage($request,$file); } } else { + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['mode']); # requested file doesn't exist in contruction space &newproblem($request); } } else { + # Set the event timer to zero if the "done button" was clicked. The button is + # part of the doneButton form created in lonmenu.pm + my ($donebuttonresult,$donemsg); + if ($symb && $env{'form.LC_interval_done'} eq 'true') { + ($donebuttonresult,$donemsg) = &zero_timer($symb); + undef($env{'form.LC_interval_done'}); + undef($env{'form.LC_interval_done_proctorpass'}); + } # just render the page normally outside of construction space &Apache::lonxml::debug("not construct"); - &renderpage($request,$file); + undef(@Apache::lonhomework::ltipassback); + &renderpage($request,$file,undef,undef,$donemsg); + if (@Apache::lonhomework::ltipassback) { + unless ($registered_cleanup) { + my $handlers = $request->get_handlers('PerlCleanupHandler'); + $request->set_handlers('PerlCleanupHandler' => + [\&do_ltipassback,@{$handlers}]); + } + } } #my $td=&tv_interval($t0); #&Apache::lonxml::debug("Spent $td seconds processing"); @@ -1267,5 +1694,261 @@ sub handler { } +sub template_dropdown_datastructure { + # gathering the all templates and their path, title, category and help topic + my @templates = get_template_list('problem'); + # template category => title + my %tmplthash = (); + # template title => path + my %tmpltcontent = (); + + foreach my $template (@templates){ + # put in hash if the template is not empty + unless ($template->[1] eq ''){ + push(@{$tmplthash{$template->[2]}}, $template->[1]); + push(@{$tmpltcontent{$template->[1]}},$template->[0]); + } + } + + my $catList = []; + foreach my $cat (sort keys %tmplthash) { + my $catItems = []; + foreach my $title (sort @{$tmplthash{$cat}}) { + my $path = $tmpltcontent{$title}->[0]; + my $code; + open(FH, "<$path"); + while(){ + $code.= $_ unless $_ =~ /()|(<\/problem>)/; + } + close(FH); + + if ($code ne '') { + my $href = 'javascript:insertText(\'' . &convert_for_js(&HTML::Entities::encode($code,'<>&"')) . '\')'; + my $currItem = [$href, $title, undef]; + push @{$catItems}, $currItem; + } + } + push @{$catList}, [$catItems, $cat, undef]; + } + + return $catList; +} + +sub responseblock_dropdown_datastructure { + + my $mathCat = [ + [ + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_formularesponse())) . "\')", &mt("Formula Response"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_functionplotresponse())) . "\')", &mt("Function Plot Response"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_mathresponse())) . "\')", &mt("Math Response"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_numericalresponse())) . "\')", &mt("Numerical Response"), undef] + ], + &mt("Math"), + undef + ]; + + my $miscCat = [ + [ + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_imageresponse())) . "\')", &mt("Click on Image"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_customresponse())) . "\')", &mt("Custom Response"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_externalresponse())) . "\')", &mt("External Response"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_matchresponse())) . "\')", &mt("Match Two Lists"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_radiobuttonresponse())) . "\')", &mt("One out of N statements"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_optionresponse())) . "\')", &mt("Select from Options"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_rankresponse())) . "\')", &mt("Rank Values"), undef] + ], + &mt("Miscellaneous"), + undef + ]; + + my $chemCat = [ + [ + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_reactionresponse())) . "\')", &mt("Chemical Reaction"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicresponse())) . "\')", &mt("Organic Chemical Structure"), undef] + ], + &mt("Chemistry"), + undef + ]; + + my $textCat = [ + [ + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_stringresponse())) . "\')", &mt("String Response"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_essayresponse())) . "\')", &mt("Essay"), undef] + ], + &mt("Text"), + undef + ]; + + return [$mathCat, $miscCat, $chemCat, $textCat]; +} + + +sub conditional_scripting_datastructure { +# TODO: corresponding routines should be used for the javascript:insertText parts +# instead of the placeholder routine default_xml_tag with the tags +# e.g. &default_xml_tag("postanswerdate") should be replaced with a routine which +# returns the corresponding content for this case + +#TODO translated is currently temporarily here, another solution should be found where the +# needed string can be retrieved + + my $translatedTag = ' + + + +'; + return [ + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode($translatedTag)) . "\')", &mt("Translated Block"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("block"))) . "\')", &mt("Conditional Block"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("postanswerdate"))) . "\')", &mt("After Answer Date Block"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("preduedate"))) . "\')", &mt("Before Due Date Block"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("solved"))) . "\')", &mt("Block For After Solved"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("notsolved"))) . "\')", &mt("Block For When Not Solved"), undef] + ]; +} + +sub misc_datastructure { + return [ + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_img())) . "\')", &mt("Image"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::lonplot::insert_gnuplot())) . "\')", &mt("GNU Plot"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicstructure())) . "\')", &mt("Organic Structure"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_script())) . "\')", &mt("Script Block"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("allow"))) . "\')", &mt("File Dependencies"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("import"))) . "\')", &mt("Import a File"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::londefdef::insert_meta())) . "\')", &mt("Custom Metadata"), undef], + ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("part"))) . "\')", &mt("Problem Part"), undef] + ]; +} + +# helper routine for the datastructure building subroutines +sub default_xml_tag { + my ($tag) = @_; + return "\n<$tag>"; +} + + +sub helpmenu_datastructure { + + # filename, title, width, height + my $helpers = [ + ['Problem_LON-CAPA_Functions.hlp', &mt('Script Functions'), 800, 600], + ['Greek_Symbols.hlp', &mt('Greek Symbols'), 500, 600], + ['Other_Symbols.hlp', &mt('Other Symbols'), 500, 600], + ['Authoring_Output_Tags.hlp', &mt('Output Tags'), 800, 600], + ['Authoring_Multilingual_Problems.hlp', + &mt('How to create problems in different languages'), 800, 600], + ['loncapa.html', &mt('Language reference'), 800, 600], + ]; + + my $help_structure = []; + + foreach my $count (0..(scalar(@{$helpers})-1)) { + my $filename = $helpers->[$count]->[0]; + my $title = $helpers->[$count]->[1]; + my $width = $helpers->[$count]->[2]; + my $height = $helpers->[$count]->[3]; + if ($width eq '') { + $width = 500; + } + if ($height eq '') { + $height = 600; + } + my $href = &HTML::Entities::encode("javascript:openMyModal('/adm/help/$filename',$width,$height,'yes');"); + push @{$help_structure}, [$href, $title, undef]; + } + + return $help_structure; +} + +# we need substitution to not break javascript code +sub convert_for_js { + my $return = shift; + $return =~ s|script|ESCAPEDSCRIPT|g; + $return =~ s|\\|\\\\|g; + $return =~ s|\n|\\r\\n|g; + $return =~ s|'|\\'|g; + $return =~ s|'|\\'|g; + return $return; +} + +sub do_ltipassback { + if (@Apache::lonhomework::ltipassback) { + foreach my $item (@Apache::lonhomework::ltipassback) { + if (ref($item) eq 'HASH') { + if ((ref($item->{'lti'}) eq 'HASH') && ($item->{'cid'} =~ /^($match_domain)_($match_courseid)$/)) { + my ($cdom,$cnum) = ($1,$2); + my $ckey = $item->{'lti'}->{'key'}; + my $secret = $item->{'lti'}->{'secret'}; + my $msgformat = $item->{'lti'}->{'passbackformat'}; + my $sigmethod = 'HMAC-SHA1'; + my $id = $item->{'pbid'}; + my $url = $item->{'pburl'}; + my $scope = $item->{'scope'}; + my $map = $item->{'ltimap'}; + my $symb = $item->{'ltisymb'}; + my $uname = $item->{'uname'}; + my $udom = $item->{'udom'}; + my $scoretype = $item->{'format'}; + my ($total,$possible); + if ($scope eq 'resource') { + $total = $item->{'total'}; + $possible = $item->{'possible'}; + } elsif ($scope eq 'map') { + ($total,$possible) = &get_lti_score($uname,$udom,$map); + } elsif ($scope eq 'course') { + ($total,$possible) = &get_lti_score($uname,$udom); + } + if (($ckey ne '') && ($secret ne '') && ($id ne '') && ($url ne '') && ($possible)) { + &LONCAPA::ltiutils::send_grade($id,$url,$ckey,$secret,$scoretype,$sigmethod, + $msgformat,$total,$possible); + } + } + } + } + undef(@Apache::lonhomework::ltipassback); + } +} + +sub get_lti_score { + my ($uname,$udom,$mapurl) = @_; + my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom); + if (ref($navmap)) { + my $iterator; + if ($mapurl ne '') { + my $map = $navmap->getResourceByUrl($mapurl); + my $firstres = $map->map_start(); + my $finishres = $map->map_finish(); + $iterator = $navmap->getIterator($firstres,$finishres,undef,1); + } else { + $iterator = $navmap->getIterator(undef,undef,undef,1); + } + if (ref($iterator)) { + my $depth = 1; + my $total = 0; + my $possible = 0; + $iterator->next(); # ignore first BEGIN_MAP + my $curRes = $iterator->next(); + while ( $depth > 0 ) { + if ($curRes == $iterator->BEGIN_MAP()) {$depth++;} + if ($curRes == $iterator->END_MAP()) { $depth--; } + if (ref($curRes) && $curRes->is_gradable() && !$curRes->randomout) { + my $parts = $curRes->parts(); + foreach my $part (@{$parts}) { + next if ($curRes->solved($part) eq 'excused'); + $total += $curRes->weight($part) * $curRes->awarded($part); + $possible += $curRes->weight($part); + } + } + $curRes = $iterator->next(); + } + if ($total > $possible) { + $total = $possible; + } + return ($total,$possible); + } + } + return; +} + 1; __END__