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Diff for /loncom/homework/lonhomework.pm between versions 1.355 and 1.383

version 1.355, 2015/06/29 15:42:07	version 1.383, 2024/02/21 19:50:21
Line 50 use Apache::chemresponse();	Line 50 use Apache::chemresponse();
use Apache::functionplotresponse();	use Apache::functionplotresponse();
use Apache::drawimage();	use Apache::drawimage();
use Apache::loncapamath();	use Apache::loncapamath();
	use Apache::loncourseuser();
	use Apache::grades();
use Apache::Constants qw(:common);	use Apache::Constants qw(:common);
use Apache::loncommon();	use Apache::loncommon();
use Apache::lonparmset();	use Apache::lonparmset();
	use Apache::lonnavmaps();
use Apache::lonlocal;	use Apache::lonlocal;
	use LONCAPA qw(:DEFAULT :match);
	use LONCAPA::ltiutils();
use Time::HiRes qw( gettimeofday tv_interval );	use Time::HiRes qw( gettimeofday tv_interval );
use HTML::Entities();	use HTML::Entities();
use File::Copy();	use File::Copy();

# FIXME - improve commenting	# FIXME - improve commenting

	my $registered_cleanup;

BEGIN {	BEGIN {
&Apache::lonxml::register_insert();	&Apache::lonxml::register_insert();
Line 157 sub get_target {	Line 163 sub get_target {
return ('web','answer');	return ('web','answer');
} elsif (($env{'form.problemmode'} eq 'saveedit') \|\|	} elsif (($env{'form.problemmode'} eq 'saveedit') \|\|
($env{'form.problemmode'} eq 'undo')) {	($env{'form.problemmode'} eq 'undo')) {
return ('modified','no_output_web','edit');	my %editors = &Apache::loncommon::permitted_editors();
	if ($editors{'edit'}) {
	return ('modified','no_output_web','edit');
	} else {
	return ('web');
	}
} elsif ($env{'form.problemmode'} eq 'edit') {	} elsif ($env{'form.problemmode'} eq 'edit') {
return ('no_output_web','edit');	my %editors = &Apache::loncommon::permitted_editors();
	if ($editors{'edit'}) {
	return ('no_output_web','edit');
	} else {
	return ('web');
	}
} else {	} else {
return ('web');	return ('web');
}	}
Line 190 sub proctor_checked_in {	Line 206 sub proctor_checked_in {
if ($type eq 'Task') {	if ($type eq 'Task') {
my $version=$Apache::lonhomework::history{'resource.0.version'};	my $version=$Apache::lonhomework::history{'resource.0.version'};
$key ="resource.$version.0.checkedin";	$key ="resource.$version.0.checkedin";
} elsif ($type eq 'problem') {	} elsif (($type eq 'problem') \|\| ($type eq 'tool')) {
$key ='resource.0.checkedin';	$key ='resource.0.checkedin';
}	}
# backward compatability, used to be username@domain,	# backward compatability, used to be username@domain,
Line 205 sub proctor_checked_in {	Line 221 sub proctor_checked_in {
return 1;	return 1;
}	}
}	}

return 0;	return 0;
}	}

sub check_slot_access {	sub check_slot_access {
my ($id,$type)=@_;	my ($id,$type,$symb,$partlist)=@_;

# does it pass normal muster	# does it pass normal muster
my ($status,$datemsg)=&check_access($id);	my ($status,$datemsg)=&check_access($id,$symb);

my $useslots = &Apache::lonnet::EXT("resource.0.useslots");	my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
if ($useslots ne 'resource' && $useslots ne 'map'	if ($useslots ne 'resource' && $useslots ne 'map'
&& $useslots ne 'map_map') {	&& $useslots ne 'map_map') {
return ($status,$datemsg);	return ($status,$datemsg);
}	}

if ($status eq 'SHOW_ANSWER' \|\|	my $checkin = 'resource.0.checkedin';
$status eq 'CLOSED' \|\|	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 $ip) \|\| ($ENV{'REMOTE_ADDR'} eq '127.0.0.1'))) {
	$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 'INVALID_ACCESS' \|\|
$status eq 'UNAVAILABLE') {	$status eq 'UNAVAILABLE') {
return ($status,$datemsg);	return ($status,$datemsg);
Line 230 sub check_slot_access {	Line 279 sub check_slot_access {
if ($env{'request.state'} eq "construct") {	if ($env{'request.state'} eq "construct") {
return ($status,$datemsg);	return ($status,$datemsg);
}	}

if ($type eq 'Task') {	if ($type eq 'Task') {
my $version=$Apache::lonhomework::history{'resource.version'};	if ($checkedin &&
if ($Apache::lonhomework::history{"resource.$version.0.checkedin"} &&
$Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass') {	$Apache::lonhomework::history{"resource.$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');
	}
	}
	} elsif (($type eq 'problem') &&
	($Apache::lonhomework::browse eq 'F') &&
	($ENV{'REMOTE_ADDR'} eq '127.0.0.1') &&
	($env{'form.grade_courseid'} eq $env{'request.course.id'}) &&
	(&Apache::lonnet::allowed('mgr',$env{'request.course.id'}))) {
	return ($status,$datemsg);
}	}

my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent");	my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent",$symb);
my $available = &Apache::lonnet::EXT("resource.0.available");	my $available = &Apache::lonnet::EXT("resource.0.available",$symb);
my @slots= (split(':',$availablestudent),split(':',$available));	my @slots= (split(':',$availablestudent),split(':',$available));

# if (!@slots) {	# if (!@slots) {
# return ($status,$datemsg);	# return ($status,$datemsg);
# }	# }
	undef($returned_slot);
	undef($slot_name);
my $slotstatus='NOT_IN_A_SLOT';	my $slotstatus='NOT_IN_A_SLOT';
my ($returned_slot,$slot_name);
my $now = time;
my $num_usable_slots = 0;	my $num_usable_slots = 0;
	if (!$symb) {
	($symb) = &Apache::lonnet::whichuser();
	}
foreach my $slot (@slots) {	foreach my $slot (@slots) {
$slot =~ s/(^\s\|\s$)//g;	$slot =~ s/(^\s\|\s$)//g;
&Apache::lonxml::debug("getting $slot");	&Apache::lonxml::debug("getting $slot");
Line 260 sub check_slot_access {	Line 321 sub check_slot_access {
if ($slot{'starttime'} < $now &&	if ($slot{'starttime'} < $now &&
$slot{'endtime'} > $now &&	$slot{'endtime'} > $now &&
&Apache::loncommon::check_ip_acc($slot{'ip'})) {	&Apache::loncommon::check_ip_acc($slot{'ip'})) {
&Apache::lonxml::debug("$slot is good");	if ($slot{'iptied'}) {
$slotstatus='NEEDS_CHECKIN';	if ($env{'request.course.id'}) {
$returned_slot=\%slot;	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
$slot_name=$slot;	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
last;	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 ($slotstatus eq 'NEEDS_CHECKIN' &&	if ($slotstatus eq 'NEEDS_CHECKIN' &&
&proctor_checked_in($slot_name,$returned_slot,$type)) {	&proctor_checked_in($slot_name,$returned_slot,$type)) {
Line 273 sub check_slot_access {	Line 363 sub check_slot_access {
$slotstatus=$status;	$slotstatus=$status;
}	}

my ($is_correct,$got_grade,$checkedin);	my ($is_correct,$got_grade);
if ($type eq 'Task') {	if ($type eq 'Task') {
my $version=$Apache::lonhomework::history{'resource.0.version'};	my $version=$Apache::lonhomework::history{'resource.0.version'};
$got_grade =	$got_grade =
Line 282 sub check_slot_access {	Line 372 sub check_slot_access {
$is_correct =	$is_correct =
($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass'	($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass'
\|\| $Apache::lonhomework::history{"resource.0.solved"} =~ /^correct_/ );	\|\| $Apache::lonhomework::history{"resource.0.solved"} =~ /^correct_/ );
$checkedin =	} elsif (($type eq 'problem') \|\| ($type eq 'tool')) {
$Apache::lonhomework::history{"resource.$version.0.checkedin"};	if ((ref($partlist) eq 'ARRAY') && (@{$partlist} > 0)) {
} elsif ($type eq 'problem') {	my ($numcorrect,$numgraded) = (0,0);
$got_grade = 1;	foreach my $part (@{$partlist}) {
$checkedin = $Apache::lonhomework::history{"resource.0.checkedin"};	my $currtries = $Apache::lonhomework::history{"resource.$part.tries"};
$is_correct =	my $maxtries = &Apache::lonnet::EXT("resource.$part.maxtries",$symb);
($Apache::lonhomework::history{"resource.0.solved"} =~/^correct_/);	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) {
	$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)");	&Apache::lonxml::debug(" slot is $slotstatus checkedin ($checkedin) got_grade ($got_grade) is_correct ($is_correct)");
Line 305 sub check_slot_access {	Line 431 sub check_slot_access {
# However, the problem is not closed, and potentially, another slot might be	# 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	# 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 -	# problem then becomes CLOSED. Therefore return the slotstatus -
# (which will be one of: NOT_IN_A_SLOT, RESERVABLE, RESERVABLE_LATER, or NOTRESERVABLE.	# (which will be one of: NOT_IN_A_SLOT, RESERVABLE, RESERVABLE_LATER, or NOTRESERVABLE).
if (!defined($slot_name) && $type eq 'problem') {
	if (!defined($slot_name) && (($type eq 'problem') \|\| ($type eq 'tool'))) {
if ($slotstatus eq 'NOT_IN_A_SLOT') {	if ($slotstatus eq 'NOT_IN_A_SLOT') {
if (!$num_usable_slots) {	if (!$num_usable_slots) {
if ($env{'request.course.id'}) {	($slotstatus,$datemsg) = &check_reservable_slot($slotstatus,$symb,$now,$checkedin,
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};	$consumed_uniq);
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my ($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) {
$slotstatus = 'RESERVABLE';
$datemsg = $reservable_now->{$reservable_now_order->[-1]}{'endreserve'};
}
}
unless ($slotstatus eq 'RESERVABLE') {
if ((ref($reservable_future_order) eq 'ARRAY') && (ref($reservable_future) eq 'HASH')) {
if (@{$reservable_future_order} > 0) {
$slotstatus = 'RESERVABLE_LATER';
$datemsg = $reservable_future->{$reservable_future_order->[0]}{'startreserve'};
}
}
}
}
}	}
}	}
return ($slotstatus,$datemsg);	return ($slotstatus,$datemsg);
Line 341 sub check_slot_access {	Line 447 sub check_slot_access {
&& $checkedin ) {	&& $checkedin ) {

if ($got_grade) {	if ($got_grade) {
return ('SHOW_ANSWER');	if ($blockip eq 'answer') {
	return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused);
	} else {
	return ('SHOW_ANSWER');
	}
} else {	} else {
return ('WAITING_FOR_GRADE');	return ('WAITING_FOR_GRADE');
}	}

}	}

if ( $is_correct) {	if (($is_correct) && ($blockip ne 'answer')) {
if ($type eq 'problem') {	if (($type eq 'problem') \|\| ($type eq 'tool')) {
return ($status);	return ($status);
}	}
return ('SHOW_ANSWER');	return ('SHOW_ANSWER');
}	}

if ( $status eq 'CANNOT_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,$datemsg);	return ($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	# JB, 9/24/2002: Any changes in this function may require a change
# in lonnavmaps::resource::getDateStatus.	# in lonnavmaps::resource::getDateStatus.
sub check_access {	sub check_access {
my ($id) = @_;	my ($id,$symb) = @_;
my $date ='';	my $date ='';
my $status;	my $status;
my $datemsg = '';	my $datemsg = '';
Line 396 sub check_access {	Line 581 sub check_access {
&Apache::lonxml::debug("checking for part :$id:");	&Apache::lonxml::debug("checking for part :$id:");
&Apache::lonxml::debug("time:".time);	&Apache::lonxml::debug("time:".time);

my ($symb)=&Apache::lonnet::whichuser();	unless ($symb) {
	($symb)=&Apache::lonnet::whichuser();
	}
&Apache::lonxml::debug("symb:".$symb);	&Apache::lonxml::debug("symb:".$symb);
#if ($env{'request.state'} ne "construct" && $symb ne '') {	#if ($env{'request.state'} ne "construct" && $symb ne '') {
if ($env{'request.state'} ne "construct") {	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);	my $allowed=&Apache::loncommon::check_ip_acc($idacc);
if (!$allowed && ($Apache::lonhomework::browse ne 'F')) {	if (!$allowed && ($Apache::lonhomework::browse ne 'F')) {
$status='INVALID_ACCESS';	$status='INVALID_ACCESS';
Line 416 sub check_access {	Line 603 sub check_access {
foreach my $temp ("opendate","duedate","answerdate") {	foreach my $temp ("opendate","duedate","answerdate") {
$lastdate = $date;	$lastdate = $date;
if ($temp eq 'duedate') {	if ($temp eq 'duedate') {
$date = &due_date($id);	$date = &due_date($id,$symb);
} else {	} 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 ($thistype =~ /^(con_lost\|no_such_host)/ \|\|	if ($thistype =~ /^(con_lost\|no_such_host)/ \|\|
$date =~ /^(con_lost\|no_such_host)/) {	$date =~ /^(con_lost\|no_such_host)/) {
$status='UNAVAILABLE';	$status='UNAVAILABLE';
Line 430 sub check_access {	Line 617 sub check_access {
}	}
if ($thistype eq 'date_interval') {	if ($thistype eq 'date_interval') {
if ($temp eq 'opendate') {	if ($temp eq 'opendate') {
$date=&Apache::lonnet::EXT("resource.$id.duedate")-$date;	$date=&Apache::lonnet::EXT("resource.$id.duedate",$symb)-$date;
}	}
if ($temp eq 'answerdate') {	if ($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:");	&Apache::lonxml::debug("found :$date: for :$temp:");
Line 467 sub check_access {	Line 654 sub check_access {
(($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED'))) {	(($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED'))) {
#check #tries, and if correct.	#check #tries, and if correct.
my $tries = $Apache::lonhomework::history{"resource.$id.tries"};	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 ( $tries eq '' ) { $tries = '0'; }
if ( $maxtries eq '' &&	if ( $maxtries eq '' &&
$env{'request.state'} ne 'construct') { $maxtries = '2'; }	$env{'request.state'} ne 'construct') { $maxtries = '2'; }
Line 476 sub check_access {	Line 663 sub check_access {
if ( ($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/)	if ( ($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/)
&& (&show_problem_status()) ) {	&& (&show_problem_status()) ) {
if (($Apache::lonhomework::history{"resource.$id.awarded"} >= 1) \|\|	if (($Apache::lonhomework::history{"resource.$id.awarded"} >= 1) \|\|
(&Apache::lonnet::EXT("resource.$id.retrypartial") !~/^1\|on\|yes$/i)) {	(&Apache::lonnet::EXT("resource.$id.retrypartial",$symb) !~/^1\|on\|yes$/i)) {
$status = 'CANNOT_ANSWER';	$status = 'CANNOT_ANSWER';
}	}
} elsif ($Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {	} elsif ($Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {
Line 488 sub check_access {	Line 675 sub check_access {
}	}
}	}
if ($status eq 'CAN_ANSWER' \|\| $status eq 'CANNOT_ANSWER') {	if ($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");	&Apache::lonxml::debug("looking for interval @interval");
if ($interval[0]) {	if ($interval[0]=~ /^\d+/) {
my $first_access=&Apache::lonnet::get_first_access($interval[1]);	my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
&Apache::lonxml::debug("looking for accesstime $first_access");	&Apache::lonxml::debug("looking for accesstime $first_access");
if (!$first_access) {	if (!$first_access) {
$status='NOT_YET_VIEWED';	$status='NOT_YET_VIEWED';
my $due_date = &due_date($id);	my $due_date = &due_date($id,$symb);
my $seconds_left = $due_date - time;	my $seconds_left = $due_date - time;
if ($seconds_left > $interval[0] \|\| $due_date eq '') {	my ($timelimit) = ($interval[0] =~ /^(\d+)/);
$seconds_left = $interval[0];	if ($seconds_left > $timelimit \|\| $due_date eq '') {
	$seconds_left = $timelimit;
}	}
$datemsg=&seconds_to_human_length($seconds_left);	$datemsg=&seconds_to_human_length($seconds_left);
}	}
Line 533 sub due_date {	Line 721 sub due_date {
my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);	my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
&Apache::lonxml::debug("looking for first_access $first_access ($interval[1])");	&Apache::lonxml::debug("looking for first_access $first_access ($interval[1])");
if (defined($first_access)) {	if (defined($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	$date = (!$due_date \|\| $interval < $due_date) ? $interval
: $due_date;	: $due_date;
} else {	} else {
Line 618 sub setuppermissions {	Line 807 sub setuppermissions {
$env{'request.course.sec'} !~ /^\s*$/) {	$env{'request.course.sec'} !~ /^\s*$/) {
$viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'}.	$viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'}.
'/'.$env{'request.course.sec'});	'/'.$env{'request.course.sec'});
	if ($viewgrades) {
	$Apache::lonhomework::viewgradessec = $env{'request.course.sec'};
	}
}	}
$Apache::lonhomework::viewgrades = $viewgrades;	$Apache::lonhomework::viewgrades = $viewgrades;

Line 635 sub setuppermissions {	Line 827 sub setuppermissions {
$modifygrades =	$modifygrades =
&Apache::lonnet::allowed('mgr',$env{'request.course.id'}.	&Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
'/'.$env{'request.course.sec'});	'/'.$env{'request.course.sec'});
	if ($modifygrades) {
	$Apache::lonhomework::modifygradessec = $env{'request.course.sec'};
	}
}	}
$Apache::lonhomework::modifygrades = $modifygrades;	$Apache::lonhomework::modifygrades = $modifygrades;

Line 653 sub setuppermissions {	Line 848 sub setuppermissions {
sub unset_permissions {	sub unset_permissions {
undef($Apache::lonhomework::queuegrade);	undef($Apache::lonhomework::queuegrade);
undef($Apache::lonhomework::modifygrades);	undef($Apache::lonhomework::modifygrades);
	undef($Apache::lonhomework::modifygradessec);
undef($Apache::lonhomework::viewgrades);	undef($Apache::lonhomework::viewgrades);
	undef($Apache::lonhomework::viewgradessec);
undef($Apache::lonhomework::browse);	undef($Apache::lonhomework::browse);
}	}

Line 752 STATE	Line 949 STATE

sub analyze_header {	sub analyze_header {
my ($request) = @_;	my ($request) = @_;
my $js = &Apache::structuretags::setmode_javascript();	my $js = &Apache::lonxml::setmode_javascript();

# Breadcrumbs	# Breadcrumbs
my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),	my $text = 'Authoring Space';
'text' => 'Authoring Space'},	my $href = &Apache::loncommon::authorspace($request->uri);
	if ($env{'request.course.id'}) {
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	if ($href eq "/priv/$cdom/$cnum/") {
	$text = 'Course Authoring Space';
	}
	}
	my $brcrum = [{'href' => $href,
	'text' => $text},
{'href' => '',	{'href' => '',
'text' => 'Problem Testing'},	'text' => 'Problem Testing'},
{'href' => '',	{'href' => '',
Line 768 sub analyze_header {	Line 974 sub analyze_header {
{'bread_crumbs' => $brcrum,})	{'bread_crumbs' => $brcrum,})
.&Apache::loncommon::head_subbox(	.&Apache::loncommon::head_subbox(
&Apache::loncommon::CSTR_pageheader());	&Apache::loncommon::CSTR_pageheader());
	my %lt = &Apache::lonlocal::texthash(
	edit => 'Edit',
	editxml => 'EditXML',
	);
$result .=	$result .=
'<form name="lonhomework" method="post" action="'.	'<form name="lonhomework" method="post" action="'.
&HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.	&HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
'<input type="hidden" name="problemmode" value="'.	'<input type="hidden" name="problemmode" value="'.
$env{'form.problemmode'}.'" />'.	$env{'form.problemmode'}.'" />'.
&Apache::structuretags::remember_problem_state().'	&Apache::structuretags::remember_problem_state().'
<div class="LC_edit_problem_analyze_header">	<div class="LC_edit_problem_analyze_header">';
<input type="button" name="submitmode" value="'.&mt("EditXML").'" '.	my %editors = &Apache::loncommon::permitted_editors();
'onclick="javascript:setmode(this.form,'."'editxml'".')" />	foreach my $item ('editxml','edit') {
<input type="button" name="submitmode" value="'.&mt('Edit').'" '.	next unless ($editors{$item});
'onclick="javascript:setmode(this.form,'."'edit'".')" />	$result .= '<input type="button" name="submitmode" value="'.$lt{$item}.'" '.
<hr />	'onclick="javascript:setmode(this.form,'."'$item'".')" />'.
	"\n";
	}
	$result .=
	'<hr />
<input type="button" name="submitmode" value="'.&mt("View").'" '.	<input type="button" name="submitmode" value="'.&mt("View").'" '.
'onclick="javascript:setmode(this.form,'."'view'".')" />	'onclick="javascript:setmode(this.form,'."'view'".')" />
<hr />	<hr />
Line 984 sub editxmlmode {	Line 1198 sub editxmlmode {
my $js =	my $js =
&Apache::edit::js_change_detection().	&Apache::edit::js_change_detection().
&Apache::loncommon::resize_textarea_js().	&Apache::loncommon::resize_textarea_js().
&Apache::structuretags::setmode_javascript().	&Apache::lonxml::setmode_javascript().
&Apache::lonhtmlcommon::dragmath_js("EditMathPopup");	&Apache::lonhtmlcommon::dragmath_js("EditMathPopup");

# Breadcrumbs	# Breadcrumbs
my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),	my $text = 'Authoring Space';
'text' => 'Authoring Space'},	my $href = &Apache::loncommon::authorspace($request->uri);
	if ($env{'request.course.id'}) {
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	if ($href eq "/priv/$cdom/$cnum/") {
	$text = 'Course Authoring Space';
	}
	}
	my $brcrum = [{'href' => $href,
	'text' => $text},
{'href' => '',	{'href' => '',
'text' => 'Problem Editing'}];	'text' => 'Problem Editing'}];

Line 1022 sub editxmlmode {	Line 1245 sub editxmlmode {

$result .= '<ol class="LC_primary_menu" style="display:inline-block;font-size:90%;vertical-align:middle;">';	$result .= '<ol class="LC_primary_menu" style="display:inline-block;font-size:90%;vertical-align:middle;">';

unless ($env{'environment.nocodemirror'}) {	my $nocodemirror = &Apache::loncommon::nocodemirror();
	unless ($nocodemirror) {
# dropdown menus	# dropdown menus
$result .= Apache::lonmenu::create_submenu("#", "",	$result .= Apache::lonmenu::create_submenu("#", "",
&mt("Problem Templates"), template_dropdown_datastructure());	&mt("Problem Templates"), template_dropdown_datastructure());

$result .= Apache::lonmenu::create_submenu("#", "",	$result .= Apache::lonmenu::create_submenu("#", "",
&mt("Response Types"), responseblock_dropdown_datastructure());	&mt("Response Types"), responseblock_dropdown_datastructure());

$result .= Apache::lonmenu::create_submenu("#", "",	$result .= Apache::lonmenu::create_submenu("#", "",
&mt("Conditional Blocks"), conditional_scripting_datastructure());	&mt("Conditional Blocks"), conditional_scripting_datastructure());

$result .= Apache::lonmenu::create_submenu("#", "",	$result .= Apache::lonmenu::create_submenu("#", "",
&mt("Miscellaneous"), misc_datastructure());	&mt("Miscellaneous"), misc_datastructure());
}	}

$result .= Apache::lonmenu::create_submenu("#", "",	$result .= Apache::lonmenu::create_submenu("#", "",
&mt("Help") . ' <img src="/adm/help/help.png" alt="' . &mt("Help") .	&mt("Help") . ' <img src="/adm/help/help.png" alt="' . &mt("Help") .
'" style="vertical-align:text-bottom; height: auto; margin:0; "/>',	'" style="vertical-align:text-bottom; height: auto; margin:0; "/>',
helpmenu_datastructure(),"");	helpmenu_datastructure(),"");

$result.="</ol></div>";	$result.="</ol></div>";

$result .= '</div></div>' .	$result .= '</div></div>' .
&Apache::lonxml::message_location() .	&Apache::lonxml::message_location() .
&Apache::loncommon::xmleditor_js() .	&Apache::loncommon::xmleditor_js() .
'<textarea ' . &Apache::edit::element_change_detection() .	'<textarea ' . &Apache::edit::element_change_detection() .
Line 1054 sub editxmlmode {	Line 1278 sub editxmlmode {
'</textarea> <div id="LC_aftertextarea"> </div> </form>';	'</textarea> <div id="LC_aftertextarea"> </div> </form>';

my $resource = $env{'request.ambiguous'};	my $resource = $env{'request.ambiguous'};
unless($env{'environment.nocodemirror'}){	unless ($nocodemirror) {
$result .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined-xml.css">	$result .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined-xml.css">
<script src="/adm/codemirror/codemirror-compressed-xml.js"></script>	<script src="/adm/codemirror/codemirror-compressed-xml.js"></script>
<script>	<script>
Line 1080 sub editxmlmode {	Line 1304 sub editxmlmode {
autoCloseBrackets: true,	autoCloseBrackets: true,
height: "auto",	height: "auto",
styleActiveLine: true,	styleActiveLine: true,

extraKeys: {	extraKeys: {
"Tab": "indentMore",	"Tab": "indentMore",
"Shift-Tab": "indentLess",	"Shift-Tab": "indentLess",
Line 1101 sub editxmlmode {	Line 1325 sub editxmlmode {
# Render the page in whatever target desired.	# Render the page in whatever target desired.
#	#
sub renderpage {	sub renderpage {
my ($request,$file,$targets,$return_string) = @_;	my ($request,$file,$targets,$return_string,$donebuttonmsg,$viewasuser,$symb) = @_;

my @targets = @{$targets \|\| [&get_target()]};	my @targets = @{$targets \|\| [&get_target()]};
&Apache::lonhomework::showhashsubset(\%env,'form.');	&Apache::lonhomework::showhashsubset(\%env,'form.');
Line 1142 sub renderpage {	Line 1366 sub renderpage {
if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); }	if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); }
if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%env,'^form');}	if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%env,'^form');}

	if (($target eq 'web') && ($viewasuser ne '') && ($symb ne '')) {
	$env{'request.user_in_effect'} = $viewasuser;
	}

&Apache::lonxml::debug("Should be parsing now");	&Apache::lonxml::debug("Should be parsing now");
$result .= &Apache::lonxml::xmlparse($request, $target, $problem,	$result .= &Apache::lonxml::xmlparse($request, $target, $problem,
&setup_vars($target),%mystyle);	&setup_vars($target),%mystyle);
Line 1154 sub renderpage {	Line 1382 sub renderpage {
if ($target eq 'analyze') {	if ($target eq 'analyze') {
$result=&Apache::lonnet::hashref2str(\%Apache::lonhomework::analyze);	$result=&Apache::lonnet::hashref2str(\%Apache::lonhomework::analyze);
undef(%Apache::lonhomework::analyze);	undef(%Apache::lonhomework::analyze);
}	} elsif ($target eq 'web') {
	if ($donebuttonmsg) {
	$result =~ s{</body>}{};
	$result.= &Apache::loncommon::confirmwrapper(&Apache::lonhtmlcommon::confirm_success($donebuttonmsg,1))."\n</body>";
	}
	}
#my $td=&tv_interval($t0);	#my $td=&tv_interval($t0);
#if ( $Apache::lonxml::debug) {	#if ( $Apache::lonxml::debug) {
#$result =~ s:</body>::;	#$result =~ s:</body>::;
Line 1162 sub renderpage {	Line 1395 sub renderpage {
#}	#}
# $request->print($result);	# $request->print($result);
$overall_result.=$result;	$overall_result.=$result;
	if (($target eq 'web') && ($viewasuser ne '') && ($symb ne '')) {
	my ($vuname,$vudom) = split(/:/,$viewasuser);
	$overall_result .= &Apache::grades::view_as_user($symb,$vuname,$vudom).
	'</body></html>';
	}
# $request->rflush();	# $request->rflush();
}	}
	if (($target eq 'web') && ($viewasuser ne '') && ($symb ne '')) {
	undef($env{'request.user_in_effect'});
	}
#$request->print(":Result ends");	#$request->print(":Result ends");
#my $td=&tv_interval($t0);	#my $td=&tv_interval($t0);
}	}
if (!$return_string) {	if (!$return_string) {
&Apache::lonxml::add_messages(\$overall_result);	&Apache::lonxml::add_messages(\$overall_result);
$request->print($overall_result);	$request->print($overall_result);
$request->rflush();	$request->rflush();
} else {	} else {
return $overall_result;	return $overall_result;
}	}
Line 1189 sub finished_parsing {	Line 1430 sub finished_parsing {
# value 3: name of help topic ???	# value 3: name of help topic ???
sub get_template_list{	sub get_template_list{
my ($extension) = @_;	my ($extension) = @_;

my @files = glob($Apache::lonnet::perlvar{'lonIncludes'}.	my @files = glob($Apache::lonnet::perlvar{'lonIncludes'}.
'/templates/*.'.$extension);	'/templates/*.'.$extension);
@files = map {[$_,&mt(&Apache::lonnet::metadata($_, 'title')),	@files = map {[$_,&mt(&Apache::lonnet::metadata($_, 'title')),
Line 1270 sub get_template_html {	Line 1511 sub get_template_html {
sub newproblem {	sub newproblem {
my ($request) = @_;	my ($request) = @_;

if ($env{'form.mode'} eq 'blank'){	if ($env{'form.mode'} eq 'blank'){
my $dest = &Apache::lonnet::filelocation("",$request->uri);	my $dest = &Apache::lonnet::filelocation("",$request->uri);
&File::Copy::copy('/home/httpd/html/res/adm/includes/templates/blank.problem',$dest);	my $templatefilename =
	$request->dir_config('lonIncludes').'/templates/blank.problem';
	&File::Copy::copy($templatefilename,$dest);
&renderpage($request,$dest);	&renderpage($request,$dest);
return;	return;
}	}
	my $errormsg;
if ($env{'form.template'}) {	if ($env{'form.template'}) {
my $file = $env{'form.template'};	my $file;
my $dest = &Apache::lonnet::filelocation("",$request->uri);	my ($extension) = ($env{'form.template'} =~ /\.(\w+)$/);
&File::Copy::copy($file,$dest);	if ($extension) {
&renderpage($request,$dest);	my @files = &get_template_list($extension);
return;	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 = '<p class="LC_error">'.&mt('Invalid template file.').'</p>';
	}
	} else {
	$errormsg = '<p class="LC_error">'.&mt('Invalid template file; template needs to be a .problem, .library, or .task file.').'</p>';
	}
}	}

my ($extension) = ($request->uri =~ m/\.(\w+)$/);	my ($extension) = ($request->uri =~ m/\.(\w+)$/);
Line 1298 sub newproblem {	Line 1560 sub newproblem {
} else {	} else {
my $url=&HTML::Entities::encode($request->uri,'<>&"');	my $url=&HTML::Entities::encode($request->uri,'<>&"');
my $dest = &Apache::lonnet::filelocation("",$request->uri);	my $dest = &Apache::lonnet::filelocation("",$request->uri);
my $errormsg;
my $instructions;	my $instructions;
my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),	my $text = 'Authoring Space';
'text' => 'Authoring Space'},	my $href = &Apache::loncommon::authorspace($request->uri);
	if ($env{'request.course.id'}) {
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	if ($href eq "/priv/$cdom/$cnum/") {
	$text = 'Course Authoring Space';
	}
	}
	my $brcrum = [{'href' => $href,
	'text' => $text},
{'href' => '',	{'href' => '',
'text' => "Create New $extension"}];	'text' => "Create New $extension"}];
my $start_page =	my $start_page =
Line 1349 sub update_construct_style {	Line 1619 sub update_construct_style {
}	}

#	#
# Sets interval for current user so time left will be zero, either for the entire folder	# 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	# containing the current resource, or just the resource, depending on value of first item
# in interval array retrieved from EXT("resource.0.interval");	# in interval array retrieved from EXT("resource.0.interval");
#	#
sub zero_timer {	sub zero_timer {
my ($symb) = @_;	my ($symb) = @_;
my ($hastimeleft,$first_access,$now);	my ($hastimeleft,$first_access,$now);
my @interval=&Apache::lonnet::EXT("resource.0.interval");	my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb);
if (@interval > 1) {	if (@interval > 1) {
if ($interval[1] eq 'course') {	if ($interval[1] eq 'course') {
return;	return ('fail',&mt('Ending of timed events not supported for intervals set course-wide'));
} else {	} else {
my $now = time;	my $now = time;
my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);	my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
if ($first_access > 0) {	if ($first_access > 0) {
if ($first_access+$interval[0] > $now) {	my ($timelimit,$donesuffix) = split(/_/,$interval[0],2);
my $done_time = $now - $first_access;	if ($donesuffix =~ /^done(?:\|\:[^\:]+\:)(.*)$/) {
my $snum = 1;	my ($dummy,$proctor,$secret) = split(/_/,$1);
if ($interval[1] eq 'map') {	if (($proctor) && ($secret ne '')) {
$snum = 2;	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:<br />'.$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'));
}	}
my $result =	} else {
&Apache::lonparmset::storeparm_by_symb_inner($symb,'0_interval',	return ('fail',&mt('Timed event can not be ended before the time limit'));
$snum,$done_time,
'date_interval',
$env{'user.name'},
$env{'user.domain'});
return $result;
}	}
	} else {
	return ('fail',&mt('Timer not yet started for this timed event'));
}	}
}	}
	} else {
	return ('fail',&mt('No timer in use'));
}	}
return;	return();
}	}

sub handler {	sub handler {
Line 1398 sub handler {	Line 1697 sub handler {
#check if we know where we are	#check if we know where we are
if ($env{'request.course.fn'} && !&Apache::lonnet::symbread('','',1,1)) {	if ($env{'request.course.fn'} && !&Apache::lonnet::symbread('','',1,1)) {
# if we are browsing we might not be able to know where we are	# if 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") {	$env{'request.state'} ne "construct") {
#should know where we are, so ask	#should know where we are, so ask
&unset_permissions();	&unset_permissions();
Line 1427 sub handler {	Line 1726 sub handler {
($env{'form.problemmode'} eq 'saveeditxml') \|\|	($env{'form.problemmode'} eq 'saveeditxml') \|\|
($env{'form.problemmode'} eq 'saveviewxml') \|\|	($env{'form.problemmode'} eq 'saveviewxml') \|\|
($env{'form.problemmode'} eq 'undoxml')) {	($env{'form.problemmode'} eq 'undoxml')) {
&editxmlmode($request,$file);	my %editors = &Apache::loncommon::permitted_editors();
	if (($editors{'xml'}) \|\| ($env{'form.problemmode'} eq 'saveviewxml') \|\| ($env{'form.problemmode'} eq 'undoxml')) {
	&editxmlmode($request,$file);
	} else {
	&update_construct_style();
	&renderpage($request,$file);
	}
} elsif ($env{'form.problemmode'} eq 'calcanswers') {	} elsif ($env{'form.problemmode'} eq 'calcanswers') {
&analyze($request,$file);	&analyze($request,$file);
} else {	} else {
Line 1443 sub handler {	Line 1748 sub handler {
} else {	} else {
# Set the event timer to zero if the "done button" was clicked. The button is	# Set the event timer to zero if the "done button" was clicked. The button is
# part of the doneButton form created in lonmenu.pm	# part of the doneButton form created in lonmenu.pm
	my ($donebuttonresult,$donemsg,$viewasuser);
if ($symb && $env{'form.LC_interval_done'} eq 'true') {	if ($symb && $env{'form.LC_interval_done'} eq 'true') {
&zero_timer($symb);	($donebuttonresult,$donemsg) = &zero_timer($symb);
undef($env{'form.LC_interval_done'});	undef($env{'form.LC_interval_done'});
	undef($env{'form.LC_interval_done_proctorpass'});
	}
	if (($env{'form.LC_viewas'} ne '') && $symb && $env{'request.course.id'} &&
	($Apache::lonhomework::viewgrades \|\| $Apache::lonhomework::modifygrades)) {
	if ($env{'form.LC_viewas'} =~ /^($match_username):($match_domain)$/) {
	my ($possuname,$possudom) = ($1,$2);
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my ($canview,$posssec);
	if ($env{'request.course.sec'} ne '') {
	if ($Apache::lonhomework::modifygradessec eq $env{'request.course.sec'}) {
	$canview = 'section';
	$posssec = $env{'request.course.sec'};
	} elsif ($Apache::lonhomework::viewgradessec eq $env{'request.course.sec'}) {
	$canview = 'section';
	$posssec = $env{'request.course.sec'};
	}
	}
	my $crstype = &Apache::loncommon::course_type();
	if (&Apache::loncourseuser::is_course_user($possudom,$possuname,$cdom,$cnum,
	$canview,$crstype,$posssec)) {
	$viewasuser = $possuname.':'.$possudom;
	}
	}
	undef($env{'form.LC_viewas'});
}	}
# just render the page normally outside of construction space	# just render the page normally outside of construction space
&Apache::lonxml::debug("not construct");	&Apache::lonxml::debug("not construct");
&renderpage($request,$file);	undef(@Apache::lonhomework::ltipassback);
	&renderpage($request,$file,undef,undef,$donemsg,$viewasuser,$symb);
	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);	#my $td=&tv_interval($t0);
#&Apache::lonxml::debug("Spent $td seconds processing");	#&Apache::lonxml::debug("Spent $td seconds processing");
Line 1595 sub default_xml_tag {	Line 1934 sub default_xml_tag {

sub helpmenu_datastructure {	sub helpmenu_datastructure {

my $width = 500;	# filename, title, width, height
my $height = 600;

my $helpers = [	my $helpers = [
['Problem_LON-CAPA_Functions', &mt('Script Functions')],	['Problem_LON-CAPA_Functions.hlp', &mt('Script Functions'), 800, 600],
['Greek_Symbols', &mt('Greek Symbols')],	['Greek_Symbols.hlp', &mt('Greek Symbols'), 500, 600],
['Other_Symbols', &mt('Other Symbols')],	['Other_Symbols.hlp', &mt('Other Symbols'), 500, 600],
['Authoring_Output_Tags', &mt('Output Tags')],	['Authoring_Output_Tags.hlp', &mt('Output Tags'), 800, 600],
['Authoring_Multilingual_Problems',	['Authoring_Multilingual_Problems.hlp',
&mt('How to create problems in different languages')]	&mt('How to create problems in different languages'), 800, 600],
	['loncapa.html', &mt('Language reference'), 800, 600],
];	];

my $help_structure = [];	my $help_structure = [];
Line 1612 sub helpmenu_datastructure {	Line 1950 sub helpmenu_datastructure {
foreach my $count (0..(scalar(@{$helpers})-1)) {	foreach my $count (0..(scalar(@{$helpers})-1)) {
my $filename = $helpers->[$count]->[0];	my $filename = $helpers->[$count]->[0];
my $title = $helpers->[$count]->[1];	my $title = $helpers->[$count]->[1];
my $href = &HTML::Entities::encode("javascript:openMyModal('/adm/help/$filename.hlp',$width,$height,'yes');");	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, $title, undef];	push @{$help_structure}, [$href, $title, undef];
}	}

Line 1630 sub convert_for_js {	Line 1976 sub convert_for_js {
return $return;	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 $msgformat = $item->{'lti'}->{'passbackformat'};
	my $sigmethod = 'HMAC-SHA1';
	my $ltinum = $item->{'ltinum'};
	my $id = $item->{'pbid'};
	my $url = $item->{'pburl'};
	my $type = $item->{'pbtype'};
	my $scope = $item->{'scope'};
	my $map = $item->{'pbmap'};
	my $symb = $item->{'pbsymb'};
	my $uname = $item->{'uname'};
	my $udom = $item->{'udom'};
	my $keynum = $item->{'lti'}->{'cipher'};
	my $crsdef = $item->{'crsdef'};
	my $scoretype = $item->{'format'};
	my ($total,$possible);
	if ($scope eq 'resource') {
	$total = $item->{'total'};
	$possible = $item->{'possible'};
	} elsif (($scope eq 'map') \|\| ($scope eq 'nonrec')) {
	($total,$possible) = &get_lti_score($uname,$udom,$map,$scope);
	} elsif ($scope eq 'course') {
	($total,$possible) = &get_lti_score($uname,$udom);
	}
	if (($id ne '') && ($url ne '') && ($possible)) {
	&LONCAPA::ltiutils::send_grade($cdom,$cnum,$crsdef,$type,$ltinum,$keynum,$id,$url,$scoretype,$sigmethod,$msgformat,$total,$possible);
	}
	}
	}
	}
	undef(@Apache::lonhomework::ltipassback);
	}
	}

	sub get_lti_score {
	my ($uname,$udom,$mapurl,$scope) = @_;
	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();
	my $recursive = 1;
	if ($scope eq 'nonrec') {
	$recursive = 0;
	}
	$iterator = $navmap->getIterator($firstres,$finishres,undef,$recursive);
	} 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;	1;
__END__	__END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.355
changed lines
	Added in v.1.383