loncom/homework/bridgetask.pm - diff

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Diff for /loncom/homework/bridgetask.pm between versions 1.128.2.7 and 1.183

version 1.128.2.7, 2006/04/10 07:21:14	version 1.183, 2006/10/11 18:54:33
Line 38 use Apache::lonlocal;	Line 38 use Apache::lonlocal;
use Apache::lonxml;	use Apache::lonxml;
use Apache::slotrequest();	use Apache::slotrequest();
use Time::HiRes qw( gettimeofday tv_interval );	use Time::HiRes qw( gettimeofday tv_interval );
	use lib '/home/httpd/lib/perl/';
	use LONCAPA;


BEGIN {	BEGIN {
&Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));	&Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','ClosingParagraph'));
}	}

	my %dimension;
sub initialize_bridgetask {	sub initialize_bridgetask {
# id of current Dimension, 0 means that no dimension is current	# id of current Dimension, 0 means that no dimension is current
# (inside <Task> only)	# (inside <Task> only)
$Apache::bridgetask::dimension='';	@Apache::bridgetask::dimension=();
# list of all Dimension ids seen	# list of all Dimension ids seen
@Apache::bridgetask::dimensionlist=();	%Apache::bridgetask::top_dimensionlist=();
# mandatory attribute of all Dimensions seen
%Apache::bridgetask::dimensionmandatory=();
# list of all current Instance ids	# list of all current Instance ids
@Apache::bridgetask::instance=();	%Apache::bridgetask::instance=();
# list of all Instance ids seen in this problem	# list of all Instance ids seen in this problem
@Apache::bridgetask::instancelist=();	@Apache::bridgetask::instancelist=();
# key of queud user data that we are currently grading	# key of queud user data that we are currently grading
$Apache::bridgetask::queue_key='';	$Apache::bridgetask::queue_key='';
	undef(%dimension);
}	}

sub proctor_check_auth {	sub proctor_check_auth {
Line 66 sub proctor_check_auth {	Line 69 sub proctor_check_auth {

my @allowed=split(",",$slot->{'proctor'});	my @allowed=split(",",$slot->{'proctor'});
foreach my $possible (@allowed) {	foreach my $possible (@allowed) {
my ($puser,$pdom)=(split('@',$possible));	my ($puser,$pdom)=(split(':',$possible));
if ($puser eq $user && $pdom eq $domain) {	if ($puser eq $user && $pdom eq $domain) {
my $authenticated=0;	my $authenticated=0;
if ( $slot->{'secret'} =~ /\S/ &&	if ( $slot->{'secret'} =~ /\S/ &&
Line 79 sub proctor_check_auth {	Line 82 sub proctor_check_auth {
$authenticated=1;	$authenticated=1;
}	}
}	}
if ($authenticated && $type eq 'Task') {	if ($authenticated) {
# increment version	&check_in($type,$user,$domain,$slot_name);
my $version=
$Apache::lonhomework::history{'resource.0.version'};
$version++;

#clean out all current results
foreach my $key (keys(%Apache::lonhomework::history)) {
if ($key=~/^resource\.0\./) {
$Apache::lonhomework::results{$key}='';
}
}

#setup new version and who did it
$Apache::lonhomework::results{'resource.0.version'}=$version;
$Apache::lonhomework::results{"resource.$version.0.checkedin"}=
$user.'@'.$domain;
$Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
$slot_name;

return 1;	return 1;
} elsif ($authenticated && $type eq 'problem') {
&Apache::lonxml::debug("authed $slot_name");
$Apache::lonhomework::results{"resource.0.checkedin"}=
$user.'@'.$domain;
$Apache::lonhomework::results{"resource.0.checkedin.slot"}=
$slot_name;
}	}
}	}
}	}
return 0;	return 0;
}	}

	sub check_in {
	my ($type,$user,$domain,$slot_name) = @_;
	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
	if ( $useslots eq 'map_map') {
	&check_in_sequence($user,$domain,$slot_name);
	} else {
	&create_new_version($type,$user,$domain,$slot_name);
	}
	return 1;
	}

	sub check_in_sequence {
	my ($user,$domain,$slot_name) = @_;
	my $navmap = Apache::lonnavmaps::navmap->new();
	my ($symb) = &Apache::lonxml::whichuser();
	my ($map) = &Apache::lonnet::decode_symb($symb);
	my @resources =
	$navmap->retrieveResources($map, sub { $_[0]->is_problem() },0,0);
	my %old_history = %Apache::lonhomework::history;
	my %old_results = %Apache::lonhomework::results;

	foreach my $res (@resources) {
	&Apache::lonxml::debug("doing ".$res->src);
	&Apache::structuretags::initialize_storage($res->symb);
	my $type = ($res->is_task()) ? 'Task' : 'problem';
	&create_new_version($type,$user,$domain,$slot_name);
	&Apache::structuretags::finalize_storage($res->symb);
	}

	%Apache::lonhomework::history = %old_history;
	%Apache::lonhomework::results = %old_results;
	}

	sub create_new_version {
	my ($type,$user,$domain,$slot_name) = @_;

	my $id = '0';
	if ($type eq 'Task') {
	# increment version
	my $version=
	$Apache::lonhomework::history{'resource.0.version'};
	$version++;
	&Apache::lonxml::debug("Making version $version");
	#clean out all current results
	foreach my $key (keys(%Apache::lonhomework::history)) {
	if ($key=~/^resource\.0\./) {
	$Apache::lonhomework::results{$key}='';
	}
	}

	#setup new version and who did it
	$Apache::lonhomework::results{'resource.0.version'}=$version;
	$id = "$version.0";
	if (!defined($user) \|\| !defined($domain)) {
	$user = $env{'user.name'};
	$domain = $env{'user.domain'};
	}

	} elsif ($type eq 'problem') {
	&Apache::lonxml::debug("authed $slot_name");
	}
	if (!defined($user) \|\| !defined($domain)) {
	$user = $env{'user.name'};
	$domain = $env{'user.domain'};
	}

	$Apache::lonhomework::results{"resource.$id.checkedin"}=
	$user.':'.$domain;

	if (defined($slot_name)) {
	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
	$slot_name;
	}
	}

sub get_version {	sub get_version {
my ($version,$previous);	my ($version,$previous);
if ($env{'form.previousversion'} &&	if ($env{'form.previousversion'} &&
Line 120 sub get_version {	Line 174 sub get_version {
$version=$env{'form.previousversion'};	$version=$env{'form.previousversion'};
$previous=1;	$previous=1;
} else {	} else {
$version=$Apache::lonhomework::history{'resource.0.version'};	if (defined($Apache::lonhomework::results{'resource.0.version'})) {
	$version=$Apache::lonhomework::results{'resource.0.version'};
	} elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
	$version=$Apache::lonhomework::history{'resource.0.version'};
	}
$previous=0;	$previous=0;
}	}
if (wantarray) {	if (wantarray) {
Line 170 sub add_grading_button {	Line 228 sub add_grading_button {
my (undef,$cid)=&Apache::lonxml::whichuser();	my (undef,$cid)=&Apache::lonxml::whichuser();
my $cnum=$env{'course.'.$cid.'.num'};	my $cnum=$env{'course.'.$cid.'.num'};
my $cdom=$env{'course.'.$cid.'.domain'};	my $cdom=$env{'course.'.$cid.'.domain'};
my %sections;	my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);
my $size=5;	my $size=5;
if (scalar(keys(%sections)) < 3) {	if (scalar(keys(%sections)) < 3) {
$size=scalar(keys(%sections))+2;	$size=scalar(keys(%sections))+2;
Line 214 sub add_grading_button {	Line 272 sub add_grading_button {
'gradingdomain');	'gradingdomain');
$result.=&Apache::loncommon::studentbrowser_javascript();	$result.=&Apache::loncommon::studentbrowser_javascript();
$result.= '</p>';	$result.= '</p>';
}	}
return $result;	return $result;
}	}

Line 223 sub add_request_another_attempt_button {	Line 281 sub add_request_another_attempt_button {
if (!$text) { $text="Request another attempt"; }	if (!$text) { $text="Request another attempt"; }
my $result;	my $result;
my $symb=&Apache::lonnet::symbread();	my $symb=&Apache::lonnet::symbread();
	# not a slot access based resource
	my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
	if ($useslots =~ /^\sno\s$/i) {
	return '';
	}

my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);	my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
my $action='get_reservation';	my $action='get_reservation';
if ($slot_name) {	if ($slot_name) {
Line 236 STUFF	Line 300 STUFF
}	}

if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }	if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
$symb=&Apache::lonnet::escape($symb);	$symb=&escape($symb);
$result.='<form method="post" action="/adm/slotrequest">'.	$result.='<form method="post" action="/adm/slotrequest">'.
'<input type="hidden" name="symb" value="'.$symb.'" />'.	'<input type="hidden" name="symb" value="'.$symb.'" />'.
'<input type="hidden" name="command" value="'.$action.'" />'.	'<input type="hidden" name="command" value="'.$action.'" />'.
Line 278 sub show_task {	Line 342 sub show_task {
( $status eq 'NOT_IN_A_SLOT') \|\|	( $status eq 'NOT_IN_A_SLOT') \|\|
( $status eq 'NEEDS_CHECKIN') \|\|	( $status eq 'NEEDS_CHECKIN') \|\|
( $status eq 'WAITING_FOR_GRADE') \|\|	( $status eq 'WAITING_FOR_GRADE') \|\|
( $status eq 'INVALID_ACCESS') )) {	( $status eq 'INVALID_ACCESS') \|\|
	( &get_version() eq ''))) {
return 0;	return 0;
}	}
if ($env{'form.donescreen'}) { return 0; }	if ($env{'form.donescreen'}) { return 0; }
return 1;	return 1;
}	}

	my @delay;
	sub nest {
	if (@delay) {
	return $delay[-1];
	} else {
	return;
	}
	}

	sub nested_parse {
	my ($str,$env,$args) = @_;
	my @old_env = @Apache::scripttag::parser_env;
	@Apache::scripttag::parser_env = @$env;
	if (exists($args->{'set_dim_id'})) {
	&enable_dimension_parsing($args->{'set_dim_id'});
	}
	push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
	my $result = &Apache::scripttag::xmlparse($$str);
	pop(@delay);
	if (exists($args->{'set_dim_id'})) {
	&disable_dimension_parsing();
	}
	@Apache::scripttag::parser_env = @old_env;
	if ($args->{'delayed_dim_results'}) {
	my $dim = &get_dim_id();
	&Apache::lonxml::debug(" tossing out $result ");
	&Apache::lonxml::debug(" usining out $dim 's ". $dimension{$dim}{'result'});
	return $dimension{$dim}{'result'};
	}
	return $result;
	}

sub internal_location {	sub internal_location {
my ($id)=@_;	my ($id)=@_;
return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';	return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
Line 295 sub submission_time_stamp {	Line 392 sub submission_time_stamp {
my $submissiontime;	my $submissiontime;
my $version=$Apache::lonhomework::history{'resource.0.version'};	my $version=$Apache::lonhomework::history{'resource.0.version'};
for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {	for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
	&& defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
$submissiontime=$Apache::lonhomework::history{$v.':timestamp'};	$submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
	last;
}	}
}	}
my $result;	my $result;
Line 307 sub submission_time_stamp {	Line 406 sub submission_time_stamp {
my ($color,$when)=('#FF6666','after');	my ($color,$when)=('#FF6666','after');
if ($diff > 0) { ($color,$when)=('#336600','before'); }	if ($diff > 0) { ($color,$when)=('#336600','before'); }
my $info;	my $info;
	$diff = abs($diff);
if ($diff%60) { $info=($diff%60).' seconds'; }	if ($diff%60) { $info=($diff%60).' seconds'; }
$diff=int($diff/60);	$diff=int($diff/60);
if ($diff%60) { $info=($diff%60).' minutes '.$info; }	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
$diff=int($diff/60);	$diff=int($diff/60);
if ($diff) { $info=$diff.' hours '.$info; }	if ($diff) { $info=$diff.' hours '.$info; }
$result='<p><font color="'.$color.'">'.	$result='<p><font color="'.$color.'">'.
&mt('Student submitted [_1] [_2] the deadline.	&mt('Student submitted [_1] [_2] the deadline. '.
(Submission was at [_3], end of period was [_4].)',	'(Submission was at [_3], end of period was [_4].)',
$info,$when,scalar(localtime($submissiontime)),	$info,$when,
scalar(localtime($slot{'endtime'}))).	&Apache::lonlocal::locallocaltime($submissiontime),
	&Apache::lonlocal::locallocaltime($slot{'endtime'})).
'</font></p>';	'</font></p>';
}	}
return $result;	return $result;
Line 334 sub file_list {	Line 435 sub file_list {
my $file=$file_url.$partial_file;	my $file=$file_url.$partial_file;
$file=~s\|/+\|/\|g;	$file=~s\|/+\|/\|g;
&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);	&Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
$file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.	$file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
&Apache::loncommon::icon($file).'" border="0"> '.$file.	&Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
'</a></nobr></li>'."\n";	'</a></span></li>'."\n";
}	}
$file_list.="</ul>\n";	$file_list.="</ul>\n";
return $file_list;	return $file_list;
}	}

	sub grade_mode {
	if ($env{'form.regrade'} \|\| $env{'form.regradeaspecificsubmission'}) {
	return 'regrade';
	}
	return 'queue_grade';
	}

sub webgrade_standard_info {	sub webgrade_standard_info {
my ($version)=&get_version();	my ($version)=&get_version();

my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});	my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});

my %lt=&Apache::lonlocal::texthash('done' => 'Next Item',	my %lt=('done' => 'Next Item',
'stop' => 'Quit Grading',	'stop' => 'Quit Grading',
);	'fail' => 'Fail Rest',
	'cancel' => 'Cancel',
	);
	%lt=&Apache::lonlocal::texthash(%lt);

my $result=<<INFO;	my $result=<<INFO;
<div class="LC_GRADING_maincontrols">	<div class="LC_GRADING_maincontrols">
	INFO

	if (&grade_mode() eq 'regrade') {
	$result.=<<INFO;
	<input type="submit" name="cancel" value="$lt{'cancel'}" />
	INFO
	}

	$result.=<<INFO;
<input type="submit" name="next" value="$lt{'done'}" />	<input type="submit" name="next" value="$lt{'done'}" />
<input type="submit" name="stop" value="$lt{'stop'}" />	<input type="submit" name="stop" value="$lt{'stop'}" />
	<input type="button" name="fail" value="$lt{'fail'}"
	onclick="javascript:onFailRest()" />
</div>	</div>
$file_list	$file_list
INFO	INFO
return $result;	return $result;
}	}

	sub done_screen {
	my ($version) = @_;
	my $title=&Apache::lonnet::gettitle();
	my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
	my (undef,undef,$domain,$user)= &Apache::lonxml::whichuser();
	my $files = '<ul>';
	my $msg;
	foreach my $file (@files) {
	my $url="/uploaded/$domain/$user/portfolio$file";
	if (! &Apache::lonnet::stat_file($url)) {
	$file = &mt('<span class="LC_error"> Nonexistent file:</span> '.
	'<span class="LC_filename">[_1]</span>',$file);
	$msg .= "<p>Submitted non-existant file $file</p>\n";
	} else {
	$file = '<span class="LC_filename">'.$file.'</span>';
	$msg .= "<p>Submitted file $file</p>\n";
	}
	$files .= '<li>'.$file.'</li>';
	}
	$files.='</ul>';
	my $subject = "Submission message for $title";
	my ($message_status,$comment_status);
	my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
	$setting =~ s/^\s(\S)\s*$/$1/;
	$setting = lc($setting);
	if ($setting eq 'only_student'
	\|\| $setting eq 'student_and_user_notes_screen') {
	$message_status =
	&Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
	$message_status = '<p>'.&mt('Message sent to user: [_1]',
	$message_status).' </p>';
	}
	if ($setting eq 'student_and_user_notes_screen') {
	$comment_status =
	&Apache::lonmsg::store_instructor_comment($subject.'<br />'.
	$msg,$user,$domain);
	$comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
	$comment_status).' </p>';
	}
	return <<DONESCREEN;
	<h2>$title</h2>
	<p> Files submitted: $files </p>
	<p> You are now done with this Bridge Task </p>
	<hr />
	<p> <a href="/adm/logout">Logout</a> </p>
	<p> <a href="/adm/roles">Change to a different course</a> </p>
	$message_status
	$comment_status
	DONESCREEN

	}

sub start_Task {	sub start_Task {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;

my ($status,$accessmsg,$slot);	my ($status,$accessmsg,$slot);
	&Apache::structuretags::init_problem_globals('Task');
if ($target ne 'webgrade') {	if ($target ne 'webgrade') {
&Apache::structuretags::init_problem_globals('Task');
&Apache::structuretags::initialize_storage();	&Apache::structuretags::initialize_storage();
&Apache::lonhomework::showhash(%Apache::lonhomework::history);	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
if ($env{'request.state'} eq 'construct') {	if ($env{'request.state'} eq 'construct') {
Line 375 sub start_Task {	Line 549 sub start_Task {
}	}

$Apache::lonhomework::parsing_a_task=1;	$Apache::lonhomework::parsing_a_task=1;
#should get back a <html> or the neccesary stuff to start XML/MathML
my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);

$head_tag_start .= &style($target);
$body_tag_start .= '<div class="LC_task">'."\n";

	my $name;
if ($target eq 'web' \|\| $target eq 'webgrade') {	if ($target eq 'web' \|\| $target eq 'webgrade') {
$head_tag_start.='<title>'.	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
&Apache::structuretags::get_resource_name($parstack,$safeeval).	}
'</title>';
	my ($result,$form_tag_start);
	if ($target eq 'web' \|\| $target eq 'webgrade' \|\| $target eq 'tex'
	\|\| $target eq 'edit') {
	($result,$form_tag_start) =
	&Apache::structuretags::page_start($target,$token,$tagstack,
	$parstack,$parser,$safeeval,
	$name,&style($target));
	$result .= '<div class="LC_task">'."\n";
}	}

if ($target eq 'web' && $env{'request.state'} ne 'construct') {	if ($target eq 'web' && $env{'request.state'} ne 'construct') {
if ($Apache::lonhomework::modifygrades) {	if ($Apache::lonhomework::queuegrade
$body_tag_start.='<form name="gradesubmission" method="post" action="';	\|\| $Apache::lonhomework::modifygrades) {
	$result.='<form name="gradesubmission" method="post" action="';
my $uri=$env{'request.uri'};	my $uri=$env{'request.uri'};
if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }	if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
$body_tag_start.=$uri.'">'.&add_grading_button()."</form>";	$result.=$uri.'">'.&add_grading_button()."</form>";
my $symb=&Apache::lonnet::symbread();	my $symb=&Apache::lonnet::symbread();
if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {	if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
$body_tag_start.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.	$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
'<input type="hidden" name="symb" value="'.$symb.'" />'.	'<input type="hidden" name="symb" value="'.$symb.'" />'.
'<input type="hidden" name="command" value="showslots" />'.	'<input type="hidden" name="command" value="showslots" />'.
'<input type="submit" name="requestattempt" value="'.	'<input type="submit" name="requestattempt" value="'.
Line 405 sub start_Task {	Line 583 sub start_Task {
my $target_id =	my $target_id =
&Apache::lonstathelpers::make_target_id({symb => $symb,	&Apache::lonstathelpers::make_target_id({symb => $symb,
part => '0'});	part => '0'});
$body_tag_start.='<form method="post" name="gradingstatus" action="/adm/statistics">'.	$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
'<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.	'<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
'<input type="hidden" name="reportSelected" value="grading_analysis" />'.	'<input type="hidden" name="reportSelected" value="grading_analysis" />'.
'<input type="submit" name="grading" value="'.	'<input type="submit" name="grading" value="'.
Line 417 sub start_Task {	Line 595 sub start_Task {
if ($target eq 'web' && $env{'request.state'} eq 'construct') {	if ($target eq 'web' && $env{'request.state'} eq 'construct') {
$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
}	}
if ($target eq 'web' \|\| ($target eq 'grade' && !$env{'form.webgrade'}) \|\| $target eq 'answer' \|\|	if ($target eq 'web'
$target eq 'tex') {	\|\| ($target eq 'grade' && !$env{'form.webgrade'})
	\|\| $target eq 'answer'
	\|\| $target eq 'tex') {
my ($version,$previous)=&get_version();	my ($version,$previous)=&get_version();
($status,$accessmsg,my $slot_name,$slot) =	($status,$accessmsg,my $slot_name,$slot) =
&Apache::lonhomework::check_slot_access('0','Task');	&Apache::lonhomework::check_slot_access('0','Task');
	if ($status eq 'CAN_ANSWER' && $version eq '') {
	# CAN_ANSWER mode, and no current version, unproctored access
	# thus self-checkedin
	&check_in('Task',undef,undef,$slot_name);
	&add_to_queue('gradingqueue',{'type' => 'Task',
	'time' => time,
	'slot' => $slot_name});
	($version,$previous)=&get_version();
	}

push(@Apache::inputtags::status,$status);	push(@Apache::inputtags::status,$status);
$Apache::inputtags::slot_name=$slot_name;	$Apache::inputtags::slot_name=$slot_name;
my $expression='$external::datestatus="'.$status.'";';	my $expression='$external::datestatus="'.$status.'";';
$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
&Apache::run::run($expression,$safeeval);	&Apache::run::run($expression,$safeeval);
&Apache::lonxml::debug("Got $status");	&Apache::lonxml::debug("Got $status");
$body_tag_start.=&add_previous_version_button($status);	$result.=&add_previous_version_button($status);
if (!&show_task($status,$previous)) {	if (!&show_task($status,$previous)) {
my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);	my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
if ( $target eq "web" ) {	if ( $target eq "web" ) {
$result.= $head_tag_start.'</head>'.$body_tag_start;
if ($env{'request.state'} eq 'construct') {	if ($env{'request.state'} eq 'construct') {
$result.=$form_tag_start;	$result.=$form_tag_start;
}	}
Line 448 sub start_Task {	Line 637 sub start_Task {
} elsif ($status eq 'WAITING_FOR_GRADE') {	} elsif ($status eq 'WAITING_FOR_GRADE') {
$msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';	$msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
} elsif ($env{'form.donescreen'}) {	} elsif ($env{'form.donescreen'}) {
my $title=&Apache::lonnet::gettitle();	$result .= &done_screen($version);
my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
my (undef,undef,$domain,$user)=
&Apache::lonxml::whichuser();
my $files = '<ul>';
foreach my $file (@files) {
my $url="/uploaded/$domain/$user/portfolio$file";
$file = '<tt>'.$file.'</tt>';
$files .= '<li>'.$file.'</li>';
}
$files.='</ul>';

$result.=<<DONESCREEN;
<h2>$title</h2>
<p> Files submitted: $files </p>
<p> You are now done with this Bridge Task </p>
<hr />
<p> <a href="/adm/logout">Logout</a> </p>
<p> <a href="/adm/roles">Change to a different course</a> </p>
DONESCREEN
} elsif ($status ne 'NOT_YET_VIEWED') {	} elsif ($status ne 'NOT_YET_VIEWED') {
$msg.='<h1>'.&mt('Not open to be viewed').'</h1>';	$msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
}	}
Line 486 DONESCREEN	Line 656 DONESCREEN
if ($status eq 'NEEDS_CHECKIN') {	if ($status eq 'NEEDS_CHECKIN') {
if(&proctor_check_auth($slot_name,$slot,'Task')	if(&proctor_check_auth($slot_name,$slot,'Task')
&& defined($Apache::inputtags::slot_name)) {	&& defined($Apache::inputtags::slot_name)) {
my $result=&add_to_queue('gradingqueue',	my $result=
[$Apache::inputtags::slot_name]);	&add_to_queue('gradingqueue',
	{'type' => 'Task',
	'time' => time,
	'slot' =>
	$Apache::inputtags::slot_name});
&Apache::lonxml::debug("add_to_queue said $result");	&Apache::lonxml::debug("add_to_queue said $result");
}	}
}	}
}	}
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
$result.="$head_tag_start</head>
$body_tag_start \n";

$result.=&preserve_grade_info();	$result.=&preserve_grade_info();
$result.=&internal_location();	$result.=&internal_location();
$result.=$form_tag_start.	$result.=$form_tag_start.
Line 506 DONESCREEN	Line 678 DONESCREEN
$target eq 'webgrade') {	$target eq 'webgrade') {
my $webgrade='yes';	my $webgrade='yes';
if ($target eq 'webgrade') {	if ($target eq 'webgrade') {
$result.=$head_tag_start.	$result.= "\n".'<div class="LC_GRADING_task">'."\n".
'</head>'.$body_tag_start.
"\n".'<div class="LC_GRADING_task">'."\n".
'<script type="text/javascript"	'<script type="text/javascript"
src="/res/adm/includes/task_grading.js"></script>';	src="/res/adm/includes/task_grading.js"></script>';
#$result.='<br />Review'.&show_queue('reviewqueue');	#$result.='<br />Review'.&show_queue('reviewqueue');
Line 528 DONESCREEN	Line 698 DONESCREEN
&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';	&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
$form_tag_start.=	$form_tag_start.=
'<input type="hidden" name="gradingkey" value="'.	'<input type="hidden" name="gradingkey" value="'.
&Apache::lonnet::escape($todo).'" />';	&escape($todo).'" />';
$Apache::bridgetask::queue_key=$todo;	$Apache::bridgetask::queue_key=$todo;
&Apache::structuretags::initialize_storage();	&Apache::structuretags::initialize_storage();
&Apache::lonhomework::showhash(%Apache::lonhomework::history);	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
Line 543 DONESCREEN	Line 713 DONESCREEN
&mt('Return to resource').'</a></p>';	&mt('Return to resource').'</a></p>';
if ($status_code eq 'stop') {	if ($status_code eq 'stop') {
$result.='<b>'.&mt("Stopped grading.").'</b>'.$back;	$result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
	} elsif ($status_code eq 'cancel') {
	$result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
	} elsif ($status_code eq 'never_versioned') {
	$result.='<b>'.
	&mt("Requested user has never accessed the task.").
	'</b>'.$back;
	} elsif ($status_code =~ /still_open:(.*)/) {
	my $date = &Apache::lonlocal::locallocaltime($1);
	$result.='<b>'.
	&mt("Task is still open, will close at [_1].",$date).
	'</b>'.$back;
} elsif ($status_code eq 'lock_failed') {	} elsif ($status_code eq 'lock_failed') {
$result.='<b>'.&mt("Failed to lock the requested record.")	$result.='<b>'.&mt("Failed to lock the requested record.")
.'</b>'.$back;	.'</b>'.$back;
Line 563 DONESCREEN	Line 744 DONESCREEN
}	}
}	}
$webgrade='no';	$webgrade='no';
	}
	if (!$todo \|\| $env{'form.cancel'}) {
my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);	my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
}	}
if ($target eq 'webgrade' && defined($env{'form.queue'})) {	if ($target eq 'webgrade' && defined($env{'form.queue'})) {
Line 592 DONESCREEN	Line 775 DONESCREEN
$result.="\n".'<div id="LC_GRADING_criterialist">';	$result.="\n".'<div id="LC_GRADING_criterialist">';
}	}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.	$result.=$form_tag_start.
&Apache::structuretags::problem_edit_header();	&Apache::structuretags::problem_edit_header();
$Apache::lonxml::warnings_error_header=	$Apache::lonxml::warnings_error_header=
&mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";	&mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
Line 605 DONESCREEN	Line 788 DONESCREEN
return $result;	return $result;
}	}

	sub get_task_end_time {
	my ($queue_entry,$symb,$udom,$uname) = @_;

	my $end_time;
	if (my $slot = &slotted_access($queue_entry)) {
	my %slot_data=&Apache::lonnet::get_slot($slot);
	$end_time = $slot_data{'endtime'};
	} else {
	$end_time = &Apache::lonhomework::due_date('0',$symb,
	$udom,$uname);
	}
	return $end_time;
	}

sub get_key_todo {	sub get_key_todo {
my ($target)=@_;	my ($target)=@_;
my $todo;	my $todo;
Line 628 sub get_key_todo {	Line 825 sub get_key_todo {
}	}


my $me=$env{'user.name'}.'@'.$env{'user.domain'};	my $me=$env{'user.name'}.':'.$env{'user.domain'};

#need to try both queues..	#need to try both queues..
if (defined($env{'form.regradeaspecificsubmission'}) &&	if (defined($env{'form.regradeaspecificsubmission'}) &&
Line 653 sub get_key_todo {	Line 850 sub get_key_todo {
if (!$queue) {	if (!$queue) {
$env{'form.queue'} = $queue = 'none';	$env{'form.queue'} = $queue = 'none';
#not queued so doing either a re or pre grade	#not queued so doing either a re or pre grade
	my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
	if ($status{'resource.0.version'} < 1) {
	return (undef,'never_versioned');
	}
return ($gradingkey);	return ($gradingkey);
}	}

	if ($queue) {
	my $queue_entry = &get_queue_data($queue,$udom,$uname);

	my $end_time = &get_task_end_time($queue_entry,$symb,
	$udom,$uname);
	if ($end_time > time) {
	return (undef,"still_open:$end_time");
	}
	}

my $who=&queue_key_locked($queue,$gradingkey);	my $who=&queue_key_locked($queue,$gradingkey);
if ($who eq $me) {	if ($who eq $me) {
#already have the lock	#already have the lock
$env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);	$env{'form.gradingkey'}=&escape($gradingkey);
	&Apache::lonxml::debug("already locked");
return ($gradingkey);	return ($gradingkey);
}	}

if (!defined($who)) {	if (!defined($who)) {
if (&lock_key($queue,$gradingkey)) {	if (&lock_key($queue,$gradingkey)) {
	&Apache::lonxml::debug("newly locked");
return ($gradingkey);	return ($gradingkey);
} else {	} else {
return (undef,'lock_failed');	return (undef,'lock_failed');
Line 674 sub get_key_todo {	Line 887 sub get_key_todo {
#otherwise (defined($who) && $who ne $me) some else has it...	#otherwise (defined($who) && $who ne $me) some else has it...
return (undef,'not_allowed',	return (undef,'not_allowed',
&mt('Another user ([_1]) currently has the record for [_2] locked.',	&mt('Another user ([_1]) currently has the record for [_2] locked.',
$who,$env{'form.gradinguser'}.'@'.$env{'form.gradingdomain'}));	$who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
}	}


Line 684 sub get_key_todo {	Line 897 sub get_key_todo {
$env{'form.queue'}=$queue='gradingqueue';	$env{'form.queue'}=$queue='gradingqueue';
}	}

my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});	my $gradingkey=&unescape($env{'form.gradingkey'});

if ($env{'form.queue'} eq 'none') {	if ($env{'form.queue'} eq 'none') {
if (defined($env{'form.gradingkey'})) {	if (defined($env{'form.gradingkey'})) {
if ($target eq 'webgrade') {	if ($target eq 'webgrade') {
if ($env{'form.stop'}) {	if ($env{'form.stop'}) {
return (undef,'stop');	return (undef,'stop');
	} elsif ($env{'form.cancel'}) {
	return (undef,'cancel');
} elsif ($env{'form.next'}) {	} elsif ($env{'form.next'}) {
return (undef,'select_user');	return (undef,'select_user');
}	}
Line 736 sub get_key_todo {	Line 951 sub get_key_todo {

if ($env{'form.queuemode'} ne 'selected') {	if ($env{'form.queuemode'} ne 'selected') {
# don't get something new from the queue if they hit the stop button	# don't get something new from the queue if they hit the stop button
if (!($env{'form.stop'} && $target eq 'webgrade')	if (!(($env{'form.cancel'} \|\| $env{'form.stop'})
	&& $target eq 'webgrade')
&& !$env{'form.gradingaction'}) {	&& !$env{'form.gradingaction'}) {
&Apache::lonxml::debug("Getting anew $queue");	&Apache::lonxml::debug("Getting anew $queue");
return (&get_from_queue($queue));	return (&get_from_queue($queue));
Line 797 DONEBUTTON	Line 1013 DONEBUTTON
my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};	my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
my $title=&Apache::lonnet::gettitle();	my $title=&Apache::lonnet::gettitle();

	my $start_time;

my $slot_name=	my $slot_name=
$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};	$Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
my %slot=&Apache::lonnet::get_slot($slot_name);	if ($slot_name) {
my $start_time=	my %slot=&Apache::lonnet::get_slot($slot_name);
&Apache::lonlocal::locallocaltime($slot{'starttime'});
	$start_time=$slot{'starttime'}
	} else {
	$start_time=
	&Apache::lonnet::EXT('resource.0.opendate');
	}
	$start_time=&Apache::lonlocal::locallocaltime($start_time);

my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";	my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";

Line 819 DONEBUTTON	Line 1043 DONEBUTTON
my $man_count=0;	my $man_count=0;
my $opt_count=0;	my $opt_count=0;
my $opt_passed=0;	my $opt_passed=0;
foreach my $dim_id (@Apache::bridgetask::dimensionlist) {	foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
if ($Apache::bridgetask::dimensionmandatory{$dim_id}	if ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}
eq 'N') {	eq 'N') {
$opt_count++;	$opt_count++;
if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {	if ($Apache::lonhomework::history{"resource.$version.0.$dim.status"} eq 'pass') {
$opt_passed++;	$opt_passed++;
}	}
} else {	} else {
$man_count++;	$man_count++;
}	}
}	}

my $opt_req=&Apache::lonxml::get_param('OptionalRequired',	my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
$parstack,$safeeval);	$parstack,$safeeval);
if ($opt_req !~ /\S/) { $opt_req='0'; }	if ($opt_req !~ /\S/) { $opt_req='0'; }
Line 838 DONEBUTTON	Line 1063 DONEBUTTON
my $internal_location=&internal_location();	my $internal_location=&internal_location();
$result=~s/\Q$internal_location\E/$status/;	$result=~s/\Q$internal_location\E/$status/;
}	}
}	$result.="\n</div>\n".
if ($target eq 'web') {	&Apache::loncommon::end_page({'discussion' => 1});
$result.="\n</div>\n".&Apache::lonxml::xmlend().'</html>';
}	}
}	}

	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
	my %queue_data = ('type' => 'Task',
	'time' => time,);
	if (defined($Apache::inputtags::slot_name)) {
	$queue_data{'slot'} = $Apache::inputtags::slot_name;
	} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
	$queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
	}


if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
my $award='SUBMITTED';	my $award='SUBMITTED';
&Apache::essayresponse::file_submission("$version.0",'bridgetask',	&Apache::essayresponse::file_submission("$version.0",'bridgetask',
Line 864 DONEBUTTON	Line 1099 DONEBUTTON
}	}
&Apache::lonhomework::showhash(%Apache::lonhomework::results);	&Apache::lonhomework::showhash(%Apache::lonhomework::results);
&Apache::structuretags::finalize_storage();	&Apache::structuretags::finalize_storage();
if ($award eq 'SUBMITTED'	if ($award eq 'SUBMITTED') {
&& defined($Apache::inputtags::slot_name)) {	&add_to_queue('gradingqueue',\%queue_data);
&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
}	}
} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
&Apache::structuretags::finalize_storage();	&Apache::structuretags::finalize_storage();
}	}
if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes'
	&& exists($env{'form.cancel'})) {
	&check_queue_unlock($env{'form.queue'});
	&Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
	} elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes'
	&& !exists($env{'form.cancel'})) {
my $optional_required=	my $optional_required=
&Apache::lonxml::get_param('OptionalRequired',$parstack,	&Apache::lonxml::get_param('OptionalRequired',$parstack,
$safeeval);	$safeeval);
Line 880 DONEBUTTON	Line 1119 DONEBUTTON
my $ungraded=0;	my $ungraded=0;
my $review=0;	my $review=0;
&Apache::lonhomework::showhash(%Apache::lonhomework::results);	&Apache::lonhomework::showhash(%Apache::lonhomework::results);
foreach my $dim_id (@Apache::bridgetask::dimensionlist) {	foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
my $status=	my $status=
$Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};	$Apache::lonhomework::results{"resource.$version.0.$dim.status"};
my $mandatory=	my $mandatory=
($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');	($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'} ne 'N');
if ($status eq 'pass') {	if ($status eq 'pass') {
if (!$mandatory) { $optional_passed++; }	if (!$mandatory) { $optional_passed++; }
} elsif ($status eq 'fail') {	} elsif ($status eq 'fail') {
Line 900 DONEBUTTON	Line 1139 DONEBUTTON
if ($optional_passed < $optional_required) {	if ($optional_passed < $optional_required) {
$mandatory_failed++;	$mandatory_failed++;
}	}
&Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");	&Apache::lonxml::debug("all dim ".join(':',keys(%Apache::bridgetask::top_dimensionlist))."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
$Apache::lonhomework::results{'resource.0.regrader'}=	$Apache::lonhomework::results{'resource.0.regrader'}=
$env{'user.name'}.'@'.$env{'user.domain'};	$env{'user.name'}.':'.$env{'user.domain'};
if ($review) {	if ($review) {
$Apache::lonhomework::results{"resource.$version.0.status"}='review';	$Apache::lonhomework::results{"resource.$version.0.status"}='review';
if ($env{'form.queue'} eq 'reviewqueue') {	if ($env{'form.queue'} eq 'reviewqueue') {
&check_queue_unlock($env{'form.queue'});	&check_queue_unlock($env{'form.queue'});
&Apache::lonxml::debug(" still needs review not changing status.");	&Apache::lonxml::debug(" still needs review not changing status.");
} else {	} else {
&move_between_queues($env{'form.queue'},'reviewqueue');	if ($env{'form.queue'} ne 'none') {
	&move_between_queues($env{'form.queue'},'reviewqueue');
	} else {
	&add_to_queue('reviewqueue',\%queue_data);
	}
}	}
} elsif ($ungraded) {	} elsif ($ungraded) {
$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';	$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
if ($env{'form.queue'} eq 'reviewqueue' \|\|	if ($env{'form.queue'} eq 'reviewqueue') {
$env{'form.queue'} eq 'none' ) {
&Apache::lonxml::debug("moving back.");	&Apache::lonxml::debug("moving back.");
&move_between_queues($env{'form.queue'},'gradingqueue');	&move_between_queues($env{'form.queue'},
	'gradingqueue');
	} elsif ($env{'form.queue'} eq 'none' ) {
	&add_to_queue('gradingqueue',\%queue_data);
} else {	} else {
&check_queue_unlock($env{'form.queue'});	&check_queue_unlock($env{'form.queue'});
}	}
Line 980 DONEBUTTON	Line 1225 DONEBUTTON
#$result.='<input type="submit" name="save" value="'.	#$result.='<input type="submit" name="save" value="'.
# &mt('Save Partial Grade and Continue Grading').'" /> ';	# &mt('Save Partial Grade and Continue Grading').'" /> ';
$result.='</form>'."\n</div>\n</div>\n".	$result.='</form>'."\n</div>\n</div>\n".
&Apache::loncommon::endbodytag().'</html>';	&Apache::loncommon::end_page();
} elsif ($target eq 'meta') {	} elsif ($target eq 'meta') {
$result.=&Apache::response::meta_package_write('Task');	$result.=&Apache::response::meta_package_write('Task');
$result.=&Apache::response::meta_stores_write('solved','string',	$result.=&Apache::response::meta_stores_write('solved','string',
Line 991 DONEBUTTON	Line 1236 DONEBUTTON
'Partial Credit Factor');	'Partial Credit Factor');
$result.=&Apache::response::meta_stores_write('status','string',	$result.=&Apache::response::meta_stores_write('status','string',
'Bridge Task Status');	'Bridge Task Status');
	} elsif ($target eq 'edit') {
	&Apache::structuretags::reset_problem_globals('Task');
	undef($Apache::lonhomework::parsing_a_task);
	return ('','no');
}	}
	&Apache::structuretags::reset_problem_globals('Task');
undef($Apache::lonhomework::parsing_a_task);	undef($Apache::lonhomework::parsing_a_task);
return $result;	return $result;
}	}
Line 1005 sub move_between_queues {	Line 1255 sub move_between_queues {
} else {	} else {
$cur_data = ['none'];	$cur_data = ['none'];
}	}
my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);	my $result=&add_to_queue($dest_queue,$cur_data);
if ($result ne 'ok') {	if ($result ne 'ok') {
return $result;	return $result;
}	}
Line 1018 sub check_queue_unlock {	Line 1268 sub check_queue_unlock {
if ($queue eq 'none') { return 'ok'; }	if ($queue eq 'none') { return 'ok'; }
my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();	my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
if (!defined($key)) {	if (!defined($key)) {
$key="$symb\0queue\0$uname\@$udom";	$key="$symb\0queue\0$uname:$udom";
}	}
my $cnum=$env{'course.'.$cid.'.num'};	my $cnum=$env{'course.'.$cid.'.num'};
my $cdom=$env{'course.'.$cid.'.domain'};	my $cdom=$env{'course.'.$cid.'.domain'};
my $me=$env{'user.name'}.'@'.$env{'user.domain'};	my $me=$env{'user.name'}.':'.$env{'user.domain'};
my $who=&queue_key_locked($queue,$key,$cdom,$cnum);	my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
if ($who eq $me) {	if ($who eq $me) {
	&Apache::lonxml::debug("unlocking my own $who");
return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);	return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
} elsif ($allow_not_me) {	} elsif ($allow_not_me) {
&Apache::lonxml::debug("unlocking $who by $me");	&Apache::lonxml::debug("unlocking $who by $me");
Line 1081 sub setup_env_for_other_user {	Line 1332 sub setup_env_for_other_user {
}	}

sub get_queue_data {	sub get_queue_data {
my ($queue)=@_;	my ($queue,$udom,$uname)=@_;
my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();	my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonxml::whichuser();
	if (!$uname \|\| !$udom) {
	$uname=$other_uname;
	$udom =$other_udom;
	}
my $cnum=$env{'course.'.$cid.'.num'};	my $cnum=$env{'course.'.$cid.'.num'};
my $cdom=$env{'course.'.$cid.'.domain'};	my $cdom=$env{'course.'.$cid.'.domain'};
my $todo="$symb\0queue\0$uname\@$udom";	my $todo="$symb\0queue\0$uname:$udom";
my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);	my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
if ($key eq $todo && ref($value)) {	if ($key eq $todo && ref($value)) {
return $value;	return $value;
Line 1104 sub check_queue_for_key {	Line 1359 sub check_queue_for_key {
if (defined($results{"$todo\0locked"})) {	if (defined($results{"$todo\0locked"})) {
return 'locked';	return 'locked';
}	}
my $slot;	if (my $slot=&slotted_access($results{$todo})) {
if (ref($results{$todo}) eq 'ARRAY') {
$slot = $results{$todo}[0];
} elsif (ref($results{$todo}) eq 'HASH') {
$slot = $results{$todo}{'slot'};
}
if (defined($slot)) {
my %slot_data=&Apache::lonnet::get_slot($slot);	my %slot_data=&Apache::lonnet::get_slot($slot);
if ($slot_data{'endtime'} > time) {	if ($slot_data{'endtime'} > time) {
return 'in_progress';	return 'in_progress';
}	}
	} else {
	my ($symb) = &decode_queue_key($todo);
	my $due_date = &Apache::lonhomework::due_date('0',$symb);
	if ($due_date > time) {
	return 'in_progress';
	}
}	}
return 'enqueued';	return 'enqueued';
}	}
Line 1131 sub add_to_queue {	Line 1386 sub add_to_queue {
my $cnum=$env{'course.'.$cid.'.num'};	my $cnum=$env{'course.'.$cid.'.num'};
my $cdom=$env{'course.'.$cid.'.domain'};	my $cdom=$env{'course.'.$cid.'.domain'};
my %data;	my %data;
$data{"$symb\0queue\0$uname\@$udom"}=$user_data;	$data{"$symb\0queue\0$uname:$udom"}=$user_data;
return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);	return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
}	}

	sub get_limited_classlist {
	my ($sections) = @_;

	my $classlist = &Apache::loncoursedata::get_classlist();
	foreach my $student (keys(%$classlist)) {
	if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
	ne 'Active') {
	delete($classlist->{$student});
	}
	}

	if (ref($sections) && !grep('all',@{ $sections })) {
	foreach my $student (keys(%$classlist)) {
	my $section =
	$classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
	if (! grep($section,@{ $sections })) {
	delete($classlist->{$student});
	}
	}
	}
	return $classlist;
	}


sub show_queue {	sub show_queue {
my ($queue,$with_selects)=@_;	my ($queue,$with_selects)=@_;
my $result;	my $result;
Line 1144 sub show_queue {	Line 1423 sub show_queue {

my @chosen_sections=	my @chosen_sections=
&Apache::loncommon::get_env_multiple('form.chosensections');	&Apache::loncommon::get_env_multiple('form.chosensections');
&Apache::grades::init_perm();
my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);	my $classlist = &get_limited_classlist(\@chosen_sections);
&Apache::grades::reset_perm();
if (!(grep(/^all$/,@chosen_sections))) {	if (!(grep(/^all$/,@chosen_sections))) {
$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
'</tt>.</p> '."\n";	'</tt>.</p> '."\n";
}	}

	my ($view,$view_section);
	my $scope = $env{'request.course.id'};
	if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
	$scope .= '/'.$env{'request.course.sec'};
	if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
	$view_section=$env{'request.course.sec'};
	} else {
	undef($view);
	}
	}

my $regexp="^$symb\0";	my $regexp="^$symb\0";
my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
my ($tmp)=%queue;	my ($tmp)=%queue;
if ($tmp=~/^error: 2 /) {	if ($tmp=~/^error: 2 /) {
return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";	return "\n<h3>Current Queue - $queue</h3>".
	&Apache::loncommon::start_data_table().
	&Apache::loncommon::start_data_table_row().
	'<td>'.&mt('Empty').'</td>'.
	&Apache::loncommon::end_data_table_row().
	&Apache::loncommon::end_data_table();
}	}
my $title=&Apache::lonnet::gettitle($symb);	my $title=&Apache::lonnet::gettitle($symb);
$result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";	$result.="\n<h3>Current Queue - $title $queue </h3>".
	&Apache::loncommon::start_data_table().
	&Apache::loncommon::start_data_table_header_row();
if ($with_selects) { $result.="<th>Status</th><th></th>"; }	if ($with_selects) { $result.="<th>Status</th><th></th>"; }
$result.="<th>user</th><th>data</th></tr>";	$result.="<th>user</th><th>data</th>".
	&Apache::loncommon::end_data_table_header_row();
foreach my $key (sort(keys(%queue))) {	foreach my $key (sort(keys(%queue))) {
my ($symb,$uname,$udom) = &decode_queue_key($key);	my ($symb,$uname,$udom) = &decode_queue_key($key);
if (!defined($classlist->{$uname.':'.$udom})) { next; }	if (!defined($classlist->{$uname.':'.$udom})) { next; }

	my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];

	my $can_view=1;
	if (!$view
	\|\| ($view_section && !$section)
	\|\| ($view_section && $section && ($view_section ne $section))) {
	$can_view=0;
	}

if ($key=~/locked$/ && !$with_selects) {	if ($key=~/locked$/ && !$with_selects) {
$result.="<tr><td>$uname</td>";	$result.= &Apache::loncommon::start_data_table_row().
	"<td>$uname</td>";
$result.='<td>'.$queue{$key}.'</td></tr>';	$result.='<td>'.$queue{$key}.'</td></tr>';
} elsif ($key=~/timestamp$/ && !$with_selects) {	} elsif ($key=~/timestamp$/ && !$with_selects) {
$result.="<tr><td></td>";	$result.=&Apache::loncommon::start_data_table_row()."<td></td>";
$result.='<td>'.	$result.='<td>'.
&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";	&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
} elsif ($key!~/(timestamp\|locked)$/) {	} elsif ($key!~/(timestamp\|locked)$/) {
$result.="<tr>";	$result.= &Apache::loncommon::start_data_table_row();
my $slot=$queue{$key}->[0];	my ($end_time,$slot_text);
my %slot_data=&Apache::lonnet::get_slot($slot);	if (my $slot=&slotted_access($queue{$key})) {
	my %slot_data=&Apache::lonnet::get_slot($slot);
	$end_time = $slot_data{'endtime'};
	$slot_text = &mt('Slot: [_1]',$slot);
	} else {
	$end_time = &Apache::lonhomework::due_date('0',$symb);
	$slot_text = '';
	}
if ($with_selects) {	if ($with_selects) {
my $ekey=&Apache::lonnet::escape($key);	my $ekey=&escape($key);
my ($action,$description,$status)=('select',&mt('Select'));	my ($action,$description,$status)=('select',&mt('Select'));
if (exists($queue{"$key\0locked"})) {	if (exists($queue{"$key\0locked"})) {
my $me=$env{'user.name'}.'@'.$env{'user.domain'};	my $me=$env{'user.name'}.':'.$env{'user.domain'};
$status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});	$status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
if ($me eq $queue{"$key\0locked"}) {	if ($me eq $queue{"$key\0locked"}) {
($action,$description)=('resume',&mt('Resume'));	($action,$description)=('resume',&mt('Resume'));
Line 1193 sub show_queue {	Line 1509 sub show_queue {
$seclist.='<input type="hidden" name="chosensections"	$seclist.='<input type="hidden" name="chosensections"
value="'.$sec.'" />';	value="'.$sec.'" />';
}	}
if (time > $slot_data{'endtime'}) {	if ($can_view && ($end_time ne '' && time > $end_time)) {
$result.=(<<FORM);	$result.=(<<FORM);
<td>$status</td>	<td>$status</td>
<td>	<td>
Line 1208 sub show_queue {	Line 1524 sub show_queue {
</form>	</form>
</td>	</td>
FORM	FORM
	} elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
	$result.='<td>'.&mt("Not gradable").'</td><td> </td>'
} else {	} else {
$result.='<td>'.&mt("In Progress").'</td>'	$result.='<td>'.&mt("In Progress").'</td><td> </td>'
}	}
}	}
$result.= "<td>".$fullname->{$uname.':'.$udom}.	$result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
" <tt>($uname\@$udom)</tt> </td>";	" <tt>($uname:$udom)</tt> </td>";
$result.='<td>Slot: '.$slot.' End time: '.	$result.='<td>'.$slot_text.' End time: '.
&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).	&Apache::lonlocal::locallocaltime($end_time).
"</td></tr>";	"</td>".&Apache::loncommon::end_data_table_row();
}	}
}	}
$result.="</table><hr />\n";	$result.= &Apache::loncommon::end_data_table()."<hr />\n";
return $result;	return $result;
}	}

Line 1230 sub get_queue_counts {	Line 1547 sub get_queue_counts {
my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();	my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
my $cnum=$env{'course.'.$cid.'.num'};	my $cnum=$env{'course.'.$cid.'.num'};
my $cdom=$env{'course.'.$cid.'.domain'};	my $cdom=$env{'course.'.$cid.'.domain'};

	my $classlist=&get_limited_classlist();

my $regexp="^$symb\0";	my $regexp="^$symb\0";
my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
my ($tmp)=%queue;	my ($tmp)=%queue;
Line 1239 sub get_queue_counts {	Line 1559 sub get_queue_counts {
my ($entries,$ready_to_grade,$locks)=(0,0,0);	my ($entries,$ready_to_grade,$locks)=(0,0,0);
my %slot_cache;	my %slot_cache;
foreach my $key (sort(keys(%queue))) {	foreach my $key (sort(keys(%queue))) {
	my ($symb,$uname,$udom) = &decode_queue_key($key);
	if (!defined($classlist->{$uname.':'.$udom})) { next; }

if ($key=~/locked$/) {	if ($key=~/locked$/) {
$locks++;	$locks++;
} elsif ($key=~/timestamp$/) {	} elsif ($key=~/timestamp$/) {
#ignore	#ignore
} elsif ($key!~/(timestamp\|locked)$/) {	} elsif ($key!~/(timestamp\|locked)$/) {
my ($symb,$uname,$udom) = &decode_queue_key($key);
$entries++;	$entries++;
my $slot=$queue{$key}->[0];	if (my $slot=&slotted_access($queue{$key})) {
if (!exists($slot_cache{$slot})) {	if (!exists($slot_cache{$slot})) {
my %slot_data=&Apache::lonnet::get_slot($slot);	my %slot_data=&Apache::lonnet::get_slot($slot);
$slot_cache{$slot} = \%slot_data;	$slot_cache{$slot} = \%slot_data;
}	}
if (time > $slot_cache{$slot}{'endtime'}) {	if (time > $slot_cache{$slot}{'endtime'}) {
$ready_to_grade++;	$ready_to_grade++;
	}
	} else {
	my $due_date = &Apache::lonhomework::due_date('0',$symb);
	if ($due_date ne '' && time > $due_date) {
	$ready_to_grade++;
	}
}	}
}	}
}	}
Line 1261 sub get_queue_counts {	Line 1589 sub get_queue_counts {

sub encode_queue_key {	sub encode_queue_key {
my ($symb,$udom,$uname)=@_;	my ($symb,$udom,$uname)=@_;
return "$symb\0queue\0$uname\@$udom";	return "$symb\0queue\0$uname:$udom";
}	}

sub decode_queue_key {	sub decode_queue_key {
my ($key)=@_;	my ($key)=@_;
my ($symb,undef,$user) = split("\0",$key);	my ($symb,undef,$user) = split("\0",$key);
my ($uname,$udom) = split('@',$user);	my ($uname,$udom) = split(':',$user);
return ($symb,$uname,$udom);	return ($symb,$uname,$udom);
}	}

Line 1286 sub queue_key_locked {	Line 1614 sub queue_key_locked {
return undef;	return undef;
}	}

	sub slotted_access {
	my ($queue_entry) = @_;
	if (ref($queue_entry) eq 'ARRAY') {
	if (defined($queue_entry->[0])) {
	return $queue_entry->[0];
	}
	return undef;
	} elsif (ref($queue_entry) eq 'HASH') {
	if (defined($queue_entry->{'slot'})) {
	return $queue_entry->{'slot'};
	}
	return undef;
	}
	return undef;
	}

sub pick_from_queue_data {	sub pick_from_queue_data {
my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;	my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
my @possible; # will hold queue entries that are valid to be selected	my @possible; # will hold queue entries that are valid to be selected
foreach my $key (keys(%$queuedata)) {	foreach my $key (keys(%$queuedata)) {
if ($key =~ /\0locked$/) { next; }	if ($key =~ /\0locked$/) { next; }
if ($key =~ /\0timestamp$/) { next; }	if ($key =~ /\0timestamp$/) { next; }

my ($symb,$uname,$udom)=&decode_queue_key($key);	my ($symb,$uname,$udom)=&decode_queue_key($key);
	if (!defined($classlist->{$uname.':'.$udom})) { next; }

if ($check_section) {	if ($check_section) {
my $section=&Apache::lonnet::getsection($uname,$udom);	my $section =
	$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
if ($section eq $check_section) {	if ($section eq $check_section) {
&Apache::lonxml::debug("my sec");	&Apache::lonxml::debug("my sec");
next;	next;
}	}
}	}
my $slot=$queuedata->{$key}[0];	my $end_time;
my %slot_data=&Apache::lonnet::get_slot($slot);	if (my $slot=&slotted_access($queuedata->{$key})) {
if ($slot_data{'endtime'} > time) {	&Apache::lonxml::debug("looking at slot $slot");
&Apache::lonxml::debug("not time");	my %slot_data=&Apache::lonnet::get_slot($slot);
next;	if ($slot_data{'endtime'} < time) {
	$end_time = $slot_data{'endtime'};
	} else {
	&Apache::lonxml::debug("not time ".$slot_data{'endtime'});
	next;
	}
	} else {
	my $due_date = &Apache::lonhomework::due_date('0',$symb);
	if ($due_date < time) {
	$end_time = $due_date;
	} else {
	&Apache::lonxml::debug("not time $due_date");
	next;
	}
}	}

if (exists($queuedata->{"$key\0locked"})) {	if (exists($queuedata->{"$key\0locked"})) {
&Apache::lonxml::debug("someone already has um.");	&Apache::lonxml::debug("someone already has um.");
next;	next;
}	}
push(@possible,[$key,$slot_data{'endtime'}]);	push(@possible,[$key,$end_time]);
}	}
if (@possible) {	if (@possible) {
# sort entries in order by slot end time	# sort entries in order by slot end time
@possible = sort { $a->[1] <=> $b->[1] } @possible;	@possible = sort { $a->[1] <=> $b->[1] } @possible;
# pick one of the entries in the top 10% in small queues and one	# pick one of the entries in the top 10% in small queues and one
# of the first ten entries in large queues	# of the first ten entries in large queues
my $ten_percent = int($#possible * 0.1);	#my $ten_percent = int($#possible * 0.1);
if ($ten_percent < 1 ) { $ten_percent = 1; }	#if ($ten_percent < 1 ) { $ten_percent = 1; }
if ($ten_percent > 10) { $ten_percent = 10; }	#if ($ten_percent > 10) { $ten_percent = 10; }
my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;

return $possible[int(rand($max))][0];	#return $possible[int(rand($max))][0];
	return $possible[0][0];
}	}
return undef;	return undef;
}	}

sub find_mid_grade {	sub find_mid_grade {
my ($queue,$symb,$cdom,$cnum)=@_;	my ($queue,$symb,$cdom,$cnum)=@_;
my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});	my $todo=&unescape($env{'form.gradingkey'});
my $me=$env{'user.name'}.'@'.$env{'user.domain'};	my $me=$env{'user.name'}.':'.$env{'user.domain'};
if ($todo) {	if ($todo) {
my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);	my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
if ($who eq $me) { return $todo; }	if ($who eq $me) { return $todo; }
Line 1350 sub find_mid_grade {	Line 1713 sub find_mid_grade {

sub lock_key {	sub lock_key {
my ($queue,$todo)=@_;	my ($queue,$todo)=@_;
my $me=$env{'user.name'}.'@'.$env{'user.domain'};	my $me=$env{'user.name'}.':'.$env{'user.domain'};
my (undef,$cid)=&Apache::lonxml::whichuser();	my (undef,$cid)=&Apache::lonxml::whichuser();
my $cnum=$env{'course.'.$cid.'.num'};	my $cnum=$env{'course.'.$cid.'.num'};
my $cdom=$env{'course.'.$cid.'.domain'};	my $cdom=$env{'course.'.$cid.'.domain'};
Line 1370 sub get_queue_symb_status {	Line 1733 sub get_queue_symb_status {
$cnum=$env{'course.'.$cid.'.num'};	$cnum=$env{'course.'.$cid.'.num'};
$cdom=$env{'course.'.$cid.'.domain'};	$cdom=$env{'course.'.$cid.'.domain'};
}	}
	my $classlist=&get_limited_classlist();

my $regexp="^$symb\0";	my $regexp="^$symb\0";
my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
my ($tmp)=%queue;	my ($tmp)=%queue;
Line 1379 sub get_queue_symb_status {	Line 1744 sub get_queue_symb_status {
next if ($key=~/locked$/);	next if ($key=~/locked$/);
next if ($key=~/timestamp$/);	next if ($key=~/timestamp$/);
my ($symb,$uname,$udom) = &decode_queue_key($key);	my ($symb,$uname,$udom) = &decode_queue_key($key);
	next if (!defined($classlist->{$uname.':'.$udom}));
push(@users,"$uname:$udom");	push(@users,"$uname:$udom");
}	}
return @users;	return @users;
Line 1394 sub get_from_queue {	Line 1760 sub get_from_queue {
&Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));	&Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
if ($todo) { return $todo; }	if ($todo) { return $todo; }
my $attempts=0;	my $attempts=0;

	my $classlist=&get_limited_classlist();

while (1) {	while (1) {
if ($attempts > 2) {	if ($attempts > 2) {
# tried twice to get a queue entry, giving up	# tried twice to get a queue entry, giving up
Line 1404 sub get_from_queue {	Line 1773 sub get_from_queue {
$cdom,$cnum);	$cdom,$cnum);
&Apache::lonxml::debug("$starttime");	&Apache::lonxml::debug("$starttime");
my $regexp="^$symb\0queue\0";	my $regexp="^$symb\0queue\0";
my $range= ($attempts < 1 ) ? '0-100' : '0-400';	#my $range= ($attempts < 1 ) ? '0-100' : '0-400';

my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);	my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
#make a pass looking for a user _not_ in my section	#make a pass looking for a user _not_ in my section
if ($env{'request.course.sec'}) {	if ($env{'request.course.sec'}) {
&Apache::lonxml::debug("sce");	&Apache::lonxml::debug("sce");
$todo=&pick_from_queue_data($queue,$env{'request.course.sec'},	$todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
\%queue,$cdom,$cnum);	\%queue,$cdom,$cnum,$classlist);
&Apache::lonxml::debug("sce $todo");	&Apache::lonxml::debug("sce $todo");
}	}
# no one _not_ in our section so look for any user that is	# no one _not_ in our section so look for any user that is
# ready for grading	# ready for grading
if (!$todo) {	if (!$todo) {
&Apache::lonxml::debug("no sce");	&Apache::lonxml::debug("no sce");
$todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);	$todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
	$classlist);
&Apache::lonxml::debug("no sce $todo");	&Apache::lonxml::debug("no sce $todo");
}	}
# no user to grade	# no user to grade
Line 1463 sub select_user {	Line 1833 sub select_user {

my @chosen_sections=	my @chosen_sections=
&Apache::loncommon::get_env_multiple('form.chosensections');	&Apache::loncommon::get_env_multiple('form.chosensections');
&Apache::grades::init_perm();
my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);	my $classlist = &get_limited_classlist(\@chosen_sections);
&Apache::grades::reset_perm();

my $result;	my $result;
if (!(grep(/^all$/,@chosen_sections))) {	if (!(grep(/^all$/,@chosen_sections))) {
$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).	$result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
'</tt>.</p> '."\n";	'</tt>.</p> '."\n";
}	}
$result.='<table border="1">';	$result.=&Apache::loncommon::start_data_table();

foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {	foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
my ($uname,$udom) = split(/:/,$student);	my ($uname,$udom) = split(/:/,$student);

my $cnum=$env{'course.'.$cid.'.num'};	my $cnum=$env{'course.'.$cid.'.num'};
Line 1495 sub select_user {	Line 1864 sub select_user {
}	}
}	}
my $todo =	my $todo =
&Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));	&escape(&encode_queue_key($symb,$udom,$uname));
if ($cannot_grade) {	if ($cannot_grade) {
$result.='<tr><td> </td><td>'.$fullname->{$student}.	$result.=&Apache::loncommon::start_data_table_row().
	'<td> </td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
'</td><td>';	'</td><td>';
} else {	} else {
my $seclist;	my $seclist;
Line 1505 sub select_user {	Line 1875 sub select_user {
$seclist.='<input type="hidden" name="chosensections"	$seclist.='<input type="hidden" name="chosensections"
value="'.$sec.'" />';	value="'.$sec.'" />';
}	}
my $studentdis = $student;	$result.=&Apache::loncommon::start_data_table_row();
$studentdis =~ tr/:/@/;
$result.=<<RESULT;	$result.=<<RESULT;
<tr>
<td>	<td>
<form style="display: inline" method="post">	<form style="display: inline" method="post">
<input type="hidden" name="gradingkey" value="$todo" />	<input type="hidden" name="gradingkey" value="$todo" />
Line 1518 sub select_user {	Line 1886 sub select_user {
<input type="submit" name="submit" value="Regrade" />	<input type="submit" name="submit" value="Regrade" />
$seclist	$seclist
</form>	</form>
<td>$fullname->{$student} <tt>($studentdis)</tt></td>	<td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
<td>	<td>
RESULT	RESULT
}	}
Line 1557 RESULT	Line 1925 RESULT
} else {	} else {
$result.=" ";	$result.=" ";
}	}
$result.= '</td></tr>';	$result.= '</td>'.&Apache::loncommon::end_data_table_row();
}	}
$result.='</table>';	$result.=&Apache::loncommon::end_data_table();
return $result;	return $result;
}	}

Line 1604 sub end_ClosingParagraph {	Line 1972 sub end_ClosingParagraph {
return $result;	return $result;
}	}

	sub get_dim_id {
	return $Apache::bridgetask::dimension[-1];
	}

sub get_id {	sub get_id {
my ($parstack,$safeeval)=@_;	my ($parstack,$safeeval)=@_;
my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);	my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
Line 1611 sub get_id {	Line 1983 sub get_id {
return $id;	return $id;
}	}

my %dimension;	sub start_Setup {
sub start_Dimension {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
undef(%dimension);	#undef(%dimension);
my $dim_id=&get_id($parstack,$safeeval);	my $dim = &get_id($parstack,$safeeval);
$Apache::bridgetask::dimension=$dim_id;	push(@Apache::bridgetask::dimension,$dim);
push(@Apache::bridgetask::dimensionlist,$dim_id);
undef(@Apache::bridgetask::instance);
$Apache::bridgetask::dimensionmandatory{$dim_id}=
&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
&Apache::lonxml::startredirection();	&Apache::lonxml::startredirection();
return &internal_location($dim_id);	return &internal_location($dim);
	}

	{
	my @allowed;
	sub enable_dimension_parsing {
	my ($id) = @_;
	push(@allowed,$id);
	}
	sub disable_dimension_parsing {
	pop(@allowed);
	}
	sub skip_dimension_parsing {
	my ($check) = @_;
	if (!@allowed) { return 0;}
	# if unspecified allow any id
	if ($allowed[-1] eq undef) { return 0;}

	return ($check ne $allowed[-1]);
	}
	}

	sub start_Question { return &start_Dimension(@_); }
	sub start_Dimension {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	my $dim = &get_id($parstack,$safeeval);
	my $previous_dim;
	if (@Apache::bridgetask::dimension) {
	$previous_dim = $Apache::bridgetask::dimension[-1];
	push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
	$dim);
	if(&skip_dimension_parsing($dim)) {
	$dimension{$previous_dim}{'criteria.'.$dim} =
	$token->[4]
	.&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
	$style)
	.'</'.$tagstack->[-1].'>';
	}
	$dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
	$dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
	push(@{$dimension{$previous_dim}{'criterias'}},$dim);
	$dimension{$dim}{'nested'}=$previous_dim;
	&Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
	} else {
	$Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}=
	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
	}
	push(@Apache::bridgetask::dimension,$dim);
	&Apache::lonxml::startredirection();
	&enable_dimension_parsing($dim);
	return &internal_location($dim);
	}

	sub start_QuestionText {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	my $dim = &get_dim_id();
	my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
	if ($target eq 'grade' \|\| $target eq 'web' \|\| $target eq 'webgrade') {
	$dimension{$dim}{'questiontext'}=$text;
	}
	return '';
	}

	sub end_QuestionText {
	return '';
}	}

sub get_instance {	sub get_instance {
Line 1632 sub get_instance {	Line 2064 sub get_instance {
$rand_alg eq '64bit2' \|\| $rand_alg eq '64bit3' \|\|	$rand_alg eq '64bit2' \|\| $rand_alg eq '64bit3' \|\|
$rand_alg eq '64bit4' ) {	$rand_alg eq '64bit4' ) {
&Apache::response::pushrandomnumber();	&Apache::response::pushrandomnumber();
my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});	my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
my $num=@order;	my $num=@order;
my $version=&get_version();	my $version=&get_version();
my $which=($version-1)%$num;	my $which=($version-1)%$num;
Line 1644 sub get_instance {	Line 2076 sub get_instance {
if (defined($instance)) { return $instance; }	if (defined($instance)) { return $instance; }

&Apache::response::pushrandomnumber();	&Apache::response::pushrandomnumber();
my @instances = @{$dimension{'instances'}};	if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
# remove disabled instances	my @instances = @{$dimension{$dim}{'instances'}};
for (my $i=0; $i < $#instances; $i++) {	# remove disabled instances
if ($dimension{$instances[$i].'.disabled'}) {	for (my $i=0; $i < $#instances; $i++) {
splice(@instances,$i,1);	if ($dimension{$dim}{$instances[$i].'.disabled'}) {
$i--;	splice(@instances,$i,1);
	$i--;
	}
	}
	@instances = &Math::Random::random_permutation(@instances);
	$instance = $instances[($version-1)%scalar(@instances)];
	if ($version =~ /^\d$/) {
	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} =
	$instance;
	$Apache::lonhomework::results{'INTERNAL_store'} = 1;
}	}
}	}
@instances = &Math::Random::random_permutation(@instances);
$instance = $instances[($version-1)%scalar(@instances)];
$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} =
$instance;
$Apache::lonhomework::results{'INTERNAL_store'} = 1;
&Apache::response::poprandomnumber();	&Apache::response::poprandomnumber();
return $instance;	return $instance;
}	}
}	}

	sub get_criteria {
	my ($what,$version,$dim,$id) = @_;
	my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
	my $prefix = ($type eq 'criteria') ? "$dim.$id"
	: "$id";
	my $entry = "resource.$version.0.$prefix.$what";
	if (exists($Apache::lonhomework::results{$entry})) {
	return $Apache::lonhomework::results{$entry};
	}
	return $Apache::lonhomework::history{$entry};
	}

{	{
my $last_link;	my $last_link;
sub link {	sub link {
my ($instance,$id) = @_;	my ($id) = @_;
return 'LC_GRADING_criteria_'.$instance.'_'.$id;	$id =~ s/\./_/g;
	return 'LC_GRADING_criteria_'.$id;
}	}
	sub end_Question { return &end_Dimension(@_); }
sub end_Dimension {	sub end_Dimension {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result=&Apache::lonxml::endredirection();	my $result=&Apache::lonxml::endredirection();
my $dim=&get_id($parstack,$safeeval);	my $dim=&get_id($parstack,$safeeval);
	if (&skip_dimension_parsing($dim)) {
	&disable_dimension_parsing($dim);
	pop(@Apache::bridgetask::dimension);
	return;
	}
my $instance=&get_instance($dim);	my $instance=&get_instance($dim);
my $version=&get_version();	my $version=&get_version();
if ($target eq 'web') {	if ($target eq 'web') {
@Apache::scripttag::parser_env = @_;	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
$result.=&Apache::scripttag::xmlparse($dimension{'intro'});
my @instances = $instance;	my @instances = $instance;
if (&Apache::response::showallfoils()) {	if (&Apache::response::showallfoils()) {
@instances = @{$dimension{'instances'}};	@instances = @{$dimension{$dim}{'instances'}};
}	}
	my $shown_question_text;
foreach my $instance (@instances) {	foreach my $instance (@instances) {
@Apache::scripttag::parser_env = @_;	$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});	[@_]);
if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' \|\|	$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
$Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {	[@_],{'set_dim_id' => undef});
	my $task_status =
	$Apache::lonhomework::history{"resource.$version.0.status"};
	if ($task_status ne 'pass' && $task_status ne 'fail') {

	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
	@{$dimension{$dim}{'criterias'}}) {
	my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
	&Apache::lonxml::debug("$id is $type");
	if ($type eq 'dimension') {
	$result.=
	&nested_parse(\$dimension{$dim}{'criteria.'.$id},
	[@_],{'set_dim_id' => $id});
	}
	}
	} else {
my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};	my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
my $mandatory='Mandatory';	my $mandatory='Mandatory';
if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {	if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
Line 1703 sub get_instance {	Line 2172 sub get_instance {
my $man_passed=0;	my $man_passed=0;
my $opt_count=0;	my $opt_count=0;
my $opt_passed=0;	my $opt_passed=0;
foreach my $id (@{$dimension{$instance.'.criterias'}}) {	foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
if ($dimension{$instance.'.criteria.'.$id.'.mandatory'}	@{$dimension{$dim}{'criterias'}} ) {
	my $status = &get_criteria('status',$version,$dim,$id);
	if ($dimension{$dim}{'criteria.'.$id.'.mandatory'}
eq 'N') {	eq 'N') {
$opt_count++;	$opt_count++;
if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {	if ($status eq 'pass') { $opt_passed++; }
$opt_passed++;
}
} else {	} else {
$man_count++;	$man_count++;
if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {	if ($status eq 'pass') { $man_passed++; }
$man_passed++;
}
}	}
}	}
if ($man_passed eq $man_count) { $man_passed='all'; }	if ($man_passed eq $man_count) { $man_passed='all'; }
my $opt_req=$dimension{$instance.'.optionalrequired'};
if ($opt_req !~ /\S/) { $opt_req='0'; }	my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
	if ($opt_req !~ /\S/) {
	$opt_req=
	&Apache::lonxml::get_param('OptionalRequired',
	$parstack,$safeeval);
	if ($opt_req !~ /\S/) { $opt_req = 0; }
	}
$dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";	$dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";

my $internal_location=&internal_location($dim);	my $internal_location=&internal_location($dim);
$result=~s/\Q$internal_location\E/$dim_info/;	$result=~s/\Q$internal_location\E/$dim_info/;

foreach my $id (@{$dimension{$instance.'.criterias'}}) {	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};	@{$dimension{$dim}{'criterias'}}) {
my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};	my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');	if ($type eq 'dimension') {
	$result.=$dimension{$id}{'result'};
	next;
	}
	my $status= &get_criteria('status', $version,$dim,$id);
	my $comment=&get_criteria('comment',$version,$dim,$id);
	my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
if ($mandatory) {	if ($mandatory) {
$mandatory='Mandatory';	$mandatory='Mandatory';
} else {	} else {
Line 1741 sub get_instance {	Line 2220 sub get_instance {
}	}
my $status_display=$status;	my $status_display=$status;
$status_display=~s/^([a-z])/uc($1)/e;	$status_display=~s/^([a-z])/uc($1)/e;
@Apache::scripttag::parser_env = @_;
$result.=	$result.=
'<div class="LC_'.$status.' LC_criteria"><h4>'	'<div class="LC_'.$status.' LC_criteria"><h4>'
.$mandatory.' Criteria</h4><p>';	.$mandatory.' Criteria</h4><p>';
@Apache::scripttag::parser_env = @_;	$result.=
$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});	&nested_parse(\$dimension{$dim}{'criteria.'.$id},
	[@_],{'set_dim_id' => $id});
$result.='</p><p class="LC_grade">'.$status_display.'</p>';	$result.='</p><p class="LC_grade">'.$status_display.'</p>';
if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {	if ($comment) {
$result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';	$result.='<p class="LC_comment">'.
	&mt('Comment: [_1]',$comment).'</p>';
}	}
$result.='</div>';	$result.='</div>';
}	}
Line 1757 sub get_instance {	Line 2237 sub get_instance {
}	}
} elsif ($target eq 'webgrade') {	} elsif ($target eq 'webgrade') {
# in case of any side effects that we need	# in case of any side effects that we need
@Apache::scripttag::parser_env = @_;	&nested_parse(\$dimension{$dim}{'intro'},[@_]);
&Apache::scripttag::xmlparse($dimension{'intro'});	&nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
@Apache::scripttag::parser_env = @_;	$result.=
&Apache::scripttag::xmlparse($dimension{$instance.'.text'});	&nested_parse(\$dimension{$dim}{'questiontext'},[@_],
foreach my $id (@{$dimension{$instance.'.criterias'}}) {	{'set_dim_id' => undef,
my $link=&link($instance,$id);	'delayed_dim_results' => 1});
my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
	@{$dimension{$dim}{'criterias'}} ) {
	my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
	if ($type eq 'dimension') {
	# dimensional 'criteria' don't get assigned grades
	$result.=
	&nested_parse(\$dimension{$dim}{'criteria.'.$id},
	[@_],{'set_dim_id' => $id});
	next;
	}

	my $link=&link($id);
	my $status= &get_criteria('status',$version,$dim,$id);
$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".	$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
'<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";	'<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
@Apache::scripttag::parser_env = @_;	$result.=
$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});	&nested_parse(\$dimension{$dim}{'criteria.'.$id},[@_]);

$result.='</div>'."\n".	$result.='</div>'."\n".
#$dimension{$instance.'.criteria.'.$id}.
'<div class="LC_GRADING_grade">'."\n".	'<div class="LC_GRADING_grade">'."\n".
'<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' \|\| !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".	'<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' \|\| !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
'<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".	'<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
Line 1777 sub get_instance {	Line 2269 sub get_instance {
'<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".	'<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
'</div>'."\n".	'</div>'."\n".
'<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".	'<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
'<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".	'<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode(&get_criteria('comment',$version,$dim,$id),'<>"&').'</textarea>'."\n".
'</label>'."\n".	'</label>'."\n".
'<ul class="LC_GRADING_navbuttons">'."\n".	'<ul class="LC_GRADING_navbuttons">'."\n".
'<li><a href="#'.$last_link.'">Prev</a></li>'."\n".	'<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
'<li><a href="#next_'.$link.'">Next</a></li>'."\n".	'<li><a href="#next_'.$link.'">Next</a></li>'."\n".
'</ul>'."\n".	'</ul>'."\n".
'</div>'."\n";	'</div>'."\n";
$result.=&grading_history($version,$dim,$instance,$id);	$result.=&grading_history($version,$dim,$id);
$last_link=$link;	$last_link=$link;
}	}
	if (&nest()) {
	&Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
	$dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
	undef($result);
	}
} elsif ($target eq 'grade' && $env{'form.webgrade'}) {	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
my $optional_passed=0;	my $optional_passed=0;
my $mandatory_failed=0;	my $mandatory_failed=0;
my $ungraded=0;	my $ungraded=0;
my $review=0;	my $review=0;
foreach my $id (@{$dimension{$instance.'.criterias'}}) {
my $link=&link($instance,$id);	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_'.$link};	$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_'.$link};	[@_]);
my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');	$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
	[@_],{'set_dim_id' => undef});

	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
	@{$dimension{$dim}{'criterias'}}) {
	my $link=&link($id);

	my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
	if ($type eq 'criteria') {
	# dimensional 'criteria' don't get assigned grades
	$Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
	$Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
	} else {
	$result .=
	&nested_parse(\$dimension{$dim}{'criteria.'.$id},
	[@_],{'set_dim_id' => $id});
	}
	my $status= &get_criteria('status',$version,$dim,$id);

	my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
if ($status eq 'pass') {	if ($status eq 'pass') {
if (!$mandatory) { $optional_passed++; }	if (!$mandatory) { $optional_passed++; }
} elsif ($status eq 'fail') {	} elsif ($status eq 'fail') {
Line 1809 sub get_instance {	Line 2325 sub get_instance {
$ungraded++;	$ungraded++;
}	}
}	}
if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {	# FIXME optional required can apply to only <instance> right now...
	my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
	if ($opt_req !~ /\S/) {
	$opt_req=
	&Apache::lonxml::get_param('OptionalRequired',
	$parstack,$safeeval);
	if ($opt_req !~ /\S/) { $opt_req = 0; }
	}
	if ($optional_passed < $opt_req) {
$mandatory_failed++;	$mandatory_failed++;
}	}
&Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");	&Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
if ($review) {	if ($review) {
$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=	$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
'review';	'review';
Line 1830 sub get_instance {	Line 2354 sub get_instance {
# any other targets no output	# any other targets no output
undef($result);	undef($result);
}	}
	&disable_dimension_parsing();
	pop(@Apache::bridgetask::dimension);
	return $result;
	}

	sub end_Setup {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
	my $result=&Apache::lonxml::endredirection();
	my $dim=&get_id($parstack,$safeeval);
	my $instance=&get_instance($dim);
	my $version=&get_version();
	if ($target eq 'web') {
	@Apache::scripttag::parser_env = @_;
	$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
	my @instances = $instance;
	if (&Apache::response::showallfoils()) {
	@instances = @{$dimension{$dim}{'instances'}};
	}
	foreach my $instance (@instances) {
	@Apache::scripttag::parser_env = @_;
	$result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
	@Apache::scripttag::parser_env = @_;
	$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
	}
	} elsif ($target eq 'webgrade'
	\|\| $target eq 'grade' && $env{'form.webgrade'}) {
	# in case of any side effects that we need
	@Apache::scripttag::parser_env = @_;
	&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
	@Apache::scripttag::parser_env = @_;
	&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
	@Apache::scripttag::parser_env = @_;
	&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
	} else {
	# any other targets no output
	undef($result);
	}
	pop(@Apache::bridgetask::dimension);
return $result;	return $result;
}	}
}	}

sub grading_history {	sub grading_history {
my ($version,$dim,$instance,$criteria) = @_;	my ($version,$dim,$id) = @_;
if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {	if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
return '';	return '';
}	}
my ($result,$grader);	my ($result,$grader);
my $scope="resource.$version.0.$dim.$instance.$criteria";	my $scope="resource.$version.0.$dim.$id";
foreach my $t (1..$Apache::lonhomework::history{'version'}) {	foreach my $t (1..$Apache::lonhomework::history{'version'}) {
if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
my ($gname,$gdom) =	my ($gname,$gdom) =
split('@',$Apache::lonhomework::history{$t.':resource.0.regrader'});	split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
my $fullname = &Apache::loncommon::plainname($gname,$gdom);	my $fullname = &Apache::loncommon::plainname($gname,$gdom);
$grader = &Apache::loncommon::aboutmewrapper($fullname,	$grader = &Apache::loncommon::aboutmewrapper($fullname,
$gname,$gdom);	$gname,$gdom);
Line 1869 sub grading_history {	Line 2431 sub grading_history {
sub start_IntroParagraph {	sub start_IntroParagraph {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;	my $result;
if ($target eq 'web' \|\| $target eq 'webgrade') {	my $dim = &get_dim_id();
if ($tagstack->[-2] eq 'Dimension') {	if ($target eq 'grade' \|\| $target eq 'web' \|\| $target eq 'webgrade') {
$dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);	if ($tagstack->[-2] eq 'Dimension' \|\| $tagstack->[-2] eq 'Question' ) {
	$dimension{$dim}{'intro'}=
} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {	&Apache::lonxml::get_all_text('/introparagraph',
	$parser,$style);
	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
&Apache::lonxml::startredirection();	&Apache::lonxml::startredirection();
}	}

Line 1890 sub end_IntroParagraph {	Line 2454 sub end_IntroParagraph {

sub start_Instance {	sub start_Instance {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $id=&get_id($parstack,$safeeval);	my $dim = &get_dim_id();
push(@{$dimension{'instances'}},$id);	my $id = &get_id($parstack,$safeeval);
push(@Apache::bridgetask::instance,$id);	push(@{$dimension{$dim}{'instances'}},$id);
	push(@{$Apache::bridgetask::instance{$dim}},$id);
push(@Apache::bridgetask::instancelist,$id);	push(@Apache::bridgetask::instancelist,$id);
$dimension{$id.'.optionalrequired'}=	$dimension{$dim}{$id.'.optionalrequired'}=
&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);	&Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);	my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
if (lc($disabled) eq 'yes') {	if (lc($disabled) eq 'yes') {
$dimension{$id.'.disabled'}='1';	$dimension{$dim}{$id.'.disabled'}='1';
}	}
return '';	return '';
}	}
Line 1908 sub end_Instance {	Line 2473 sub end_Instance {

sub start_InstanceText {	sub start_InstanceText {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $instance_id=$Apache::bridgetask::instance[-1];	my $dim = &get_dim_id();
	my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);	my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
if ($target eq 'web' \|\| $target eq 'webgrade') {	if ($target eq 'grade' \|\| $target eq 'web' \|\| $target eq 'webgrade') {
$dimension{$instance_id.'.text'}=$text;	$dimension{$dim}{$instance_id.'.text'}=$text;
}	}
return '';	return '';
}	}
Line 1922 sub end_InstanceText {	Line 2488 sub end_InstanceText {

sub start_Criteria {	sub start_Criteria {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $instance_id=$Apache::bridgetask::instance[-1];
my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);	my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
if ($target eq 'web' \|\| $target eq 'webgrade' \|\| $target eq 'grade') {	if ($target eq 'web' \|\| $target eq 'webgrade' \|\| $target eq 'grade') {
	my $dim = &get_dim_id();
my $id=&get_id($parstack,$safeeval);	my $id=&get_id($parstack,$safeeval);
$dimension{$instance_id.'.criteria.'.$id}=$criteria;	&Apache::lonxml::debug("Criteria $id with $dim");
$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);	my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
push(@{$dimension{$instance_id.'.criterias'}},$id);	$dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
	$dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
	$dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
	push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
	} else {
	$dimension{$dim}{'criteria.'.$id}=$criteria;
	$dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
	$dimension{$dim}{'criteria.'.$id.'.mandatory'}=
	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
	push(@{$dimension{$dim}{'criterias'}},$id);
	}
}	}
return '';	return '';
}	}
Line 1968 sub proctor_validation_screen {	Line 2545 sub proctor_validation_screen {
<tr><td colspan="2">Student who should be logged in is:</td></tr>	<tr><td colspan="2">Student who should be logged in is:</td></tr>
<tr><td>Name:</td><td>$name</td></tr>	<tr><td>Name:</td><td>$name</td></tr>
<tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>	<tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
<tr><td>Usename</td><td>$user\@$domain</td></tr>	<tr><td>Usename</td><td>$user:$domain</td></tr>
<tr><td colspan="2"><img src="$url" /></td></tr>	<tr><td colspan="2"><img src="$url" /></td></tr>
</table>	</table>
</tr></td>	</tr></td>

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

Removed from v.1.128.2.7
changed lines
	Added in v.1.183