loncom/homework/bridgetask.pm - diff

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Diff for /loncom/homework/bridgetask.pm between versions 1.102 and 1.163

version 1.102, 2006/02/08 22:04:34	version 1.163, 2006/06/09 22:31:36
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'));
}	}

sub initialize_bridgetask {	sub initialize_bridgetask {
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	&create_new_version($type,$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 create_new_version {
	my ($type,$user,$domain,$slot_name) = @_;
	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;
	if (defined($user) && defined($domain)) {
	$Apache::lonhomework::results{"resource.$version.0.checkedin"}=
	$user.':'.$domain;
	} else {
	$Apache::lonhomework::results{"resource.$version.0.checkedin"}=
	$env{'user.name'}.':'.$env{'user.domain'};
	}
	if (defined($slot_name)) {
	$Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
	$slot_name;
	}
	} elsif ($type eq 'problem') {
	&Apache::lonxml::debug("authed $slot_name");
	if (defined($user) && defined($domain)) {
	$Apache::lonhomework::results{"resource.0.checkedin"}=
	$user.':'.$domain;
	}
	if (defined($slot_name)) {
	$Apache::lonhomework::results{"resource.0.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 140 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 155 sub add_previous_version_button {	Line 179 sub add_previous_version_button {
join("</option>\n<option>",@to_show).	join("</option>\n<option>",@to_show).
"</option>\n";	"</option>\n";
$list.='<option value="current">'.&mt('Current').'</option>';	$list.='<option value="current">'.&mt('Current').'</option>';
$result.='<form name="getprevious" method="POST" action="';	$result.='<form name="getprevious" 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); }
$result.=$uri.'">'.	$result.=$uri.'">'.
Line 170 sub add_grading_button {	Line 194 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;
}	}
my $sec_select = '<select multiple name="chosensections" size="'.$size.'">'."\n";	my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
$sec_select .= "<option value='all' selected='selected'>all</option>\n";	$sec_select .= "<option value='all' selected='selected'>all</option>\n";
foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {	foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
$sec_select .= "<option name=\"$sec\">$sec</option>\n";	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
}	}
$sec_select .= "<option value='none'>none</option></select>\n";	$sec_select .= "<option value='none'>none</option></select>\n";

Line 188 sub add_grading_button {	Line 212 sub add_grading_button {
$result.='<input type="hidden" name="grade_target" value="webgrade" />';	$result.='<input type="hidden" name="grade_target" value="webgrade" />';
if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {	if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
$result.='<p>Specify a section: '.$sec_select.'</p>';	$result.='<table><tr>';
$result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
	&mt("Select an entry from the grading queue:").'" /> ';

$result.=' <input type="submit" name="reviewagrading" value="'.	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
&mt("Select an entry from the grading queue").'" /> </p>'."\n";

($entries,$ready,$locks)=&get_queue_counts('reviewqueue');	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
$result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);	$result.='<tr><td>'.
$result.=' <input type="submit" name="reviewasubmission" value="'.	' <input type="submit" name="reviewasubmission" value="'.
&mt("Select an entry from the review queue").'" /> </p>'."\n";	&mt("Select an entry from the review queue:").'" /> ';
$result.=' <input type="submit" name="regradeasubmission" value="'.	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
&mt("Select a user to regrade.").'" /> </p>'."\n";	$entries,$ready,$locks).'</td></tr>'."\n";
	$result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
	&mt("List of user's grade status").'" /> </td></tr></table>'."\n";
	$result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
	&mt("Regrade specific user:").'" />'."\n";
	$result.='<input type="text" size="12" name="gradinguser" />';
	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
	'gradingdomain');
	$result.=' '.
	&Apache::loncommon::selectstudent_link('gradesubmission',
	'gradinguser',
	'gradingdomain');
	$result.=&Apache::loncommon::studentbrowser_javascript();
	$result.= '</p>';
}	}
return $result;	return $result;
}	}
Line 209 sub add_request_another_attempt_button {	Line 247 sub add_request_another_attempt_button {
if (!$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 222 STUFF	Line 266 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.'" />'.
'<input type="submit" name="requestattempt" value="'.	'<input type="submit" name="requestattempt" value="'.
Line 245 sub preserve_grade_info {	Line 289 sub preserve_grade_info {
}	}

sub style {	sub style {
return (<<STYLE);	my ($target) = @_;
<style type="text/css">	if ($target eq 'web'
.fail, .pass, .neutral {	\|\| $target eq 'webgrade') {
position: relative;	return (<<STYLE);
margin : 5px;	<link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
margin-bottom :10px;
padding : 4px;
padding-left : 75px;
border : thin solid;
font-weight : bolder;
font-size: smaller;
font-family: Arial;
background-color : rgb(255,240,225);
}

.fail h4, .pass h4 {
position:absolute;
left: -4px;
top: -8px;
padding:2px;
margin:0;
background-color : rgb(255,240,225);
border : thin solid;
}

.fail {
color: red;
}

.pass {
color : green;
}

.neutral {
color : blue;
}

.question {
border : thin solid black;
padding : 4px;
margin-bottom : 1em;
}

.grade {
font-size: x-large;
font-family: Arial;
position:absolute;
left: 5px;
top: -5px;
width: 70px;
}

div#feedback h1 {
color : inherit;
}
</style>
STYLE	STYLE
	}
	return;
}	}

sub show_task {	sub show_task {
Line 314 sub show_task {	Line 308 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; }
Line 358 sub submission_time_stamp {	Line 353 sub submission_time_stamp {
return $result;	return $result;
}	}

sub webgrade_standard_info {	sub file_list {
my ($version)=&get_version();	my ($files,$uname,$udom) = @_;
my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();	if (!defined($uname) \|\| !defined($udom)) {
	(undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
	}
my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';	my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
my $file_list="<ul>\n";
foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {	my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
	foreach my $partial_file (split(',',$files)) {
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;
	}

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

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

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

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

my %lt=&Apache::lonlocal::texthash('done' => 'Done',
'stop' => 'Stop',
);

my $result=<<INFO;	my $result=<<INFO;
<div class="handininfo">	<div class="LC_GRADING_maincontrols">
<input type="submit" name="next" value="$lt{'done'}" />	INFO
<input type="submit" name="stop" value="$lt{'stop'}" />
	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="stop" value="$lt{'stop'}" />
	<input type="button" name="fail" value="$lt{'fail'}"
	onclick="javascript:onFailRest()" />
	</div>
$file_list	$file_list
</div>
INFO	INFO
return $result;	return $result;
}	}
Line 401 sub start_Task {	Line 427 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)=	my $name;
&Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);	if ($target eq 'web' \|\| $target eq 'webgrade') {
	$name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
	}

	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" 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="'.
&mt('Show Slot list').'" />'.	&mt('Show Slot list').'" />'.
'</form>';	'</form>';
	my $target_id =
	&Apache::lonstathelpers::make_target_id({symb => $symb,
	part => '0'});
	$result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
	'<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
	'<input type="hidden" name="reportSelected" value="grading_analysis" />'.
	'<input type="submit" name="grading" value="'.
	&mt('Show Grading Status').'" />'.
	'</form>';
}	}
}	}
}	}
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' && $version eq '') {
	&create_new_version('Task',undef,undef,$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 458 sub start_Task {	Line 515 sub start_Task {
} elsif ($env{'form.donescreen'}) {	} elsif ($env{'form.donescreen'}) {
my $title=&Apache::lonnet::gettitle();	my $title=&Apache::lonnet::gettitle();
my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});	my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
my $files='<ul><li>'.join('</li><li>',@files).'</li></ul>';	my (undef,undef,$domain,$user)=
	&Apache::lonxml::whichuser();
	my $files = '<ul>';
	foreach my $file (@files) {
	my $url="/uploaded/$domain/$user/portfolio$file";
	if (! &Apache::lonnet::stat_file($url)) {
	$file = &mt('<font color="red"> Nonexistant file:</font> <tt>[_1]</tt>',$file);
	} else {
	$file = '<tt>'.$file.'</tt>';
	}
	$files .= '<li>'.$file.'</li>';
	}
	$files.='</ul>';

$result.=<<DONESCREEN;	$result.=<<DONESCREEN;
<h2>$title</h2>	<h2>$title</h2>
<p> Files submitted: $files </p>	<p> Files submitted: $files </p>
Line 485 DONESCREEN	Line 555 DONESCREEN
if ($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') {
my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
$result.="$head_tag_start<title>$name</title></head>
$body_tag_start \n".&style();

$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 577 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.$body_tag_start;	$result.= "\n".'<div class="LC_GRADING_task">'."\n".
	'<script type="text/javascript"
	src="/res/adm/includes/task_grading.js"></script>';
#$result.='<br />Review'.&show_queue('reviewqueue');	#$result.='<br />Review'.&show_queue('reviewqueue');
#$result.='<br />Grade'.&show_queue('gradingqueue');	#$result.='<br />Grade'.&show_queue('gradingqueue');
}	}
Line 515 DONESCREEN	Line 588 DONESCREEN
# Hrrm, vaildation pass should perhaps say 'not_locked'	# Hrrm, vaildation pass should perhaps say 'not_locked'
# perhaps do a search if there is a key that is mine and if	# perhaps do a search if there is a key that is mine and if
# there isn't reshow the queue....	# there isn't reshow the queue....
my ($todo,$status_code)=&get_key_todo($target);	my ($todo,$status_code,$msg)=&get_key_todo($target);

if ($todo) {	if ($todo) {
&setup_env_for_other_user($todo,$safeeval);	&setup_env_for_other_user($todo,$safeeval);
Line 524 DONESCREEN	Line 597 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);
if ($target eq 'webgrade') {	if ($target eq 'webgrade' && $status_code eq 'selected') {
#$result.='<br />After -'.&show_queue($env{'form.queue'});	$form_tag_start.=
$result.="\n".'<table width="100%" style="width:100%" border="1">';	'<input type="hidden" name="queuemode" value="selected" />';
if ($status_code eq 'selected') {
$form_tag_start.=
'<input type="hidden" name="queuemode" value="selected" />';
}
}	}
} else {	} else {
if ($target eq 'webgrade') {	if ($target eq 'webgrade') {
Line 543 DONESCREEN	Line 612 DONESCREEN
&mt('Return to resource').'</a></p>';	&mt('Return to resource').'</a></p>';
if ($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 ($status_code eq 'lock_failed') {	} elsif ($status_code eq 'lock_failed') {
$result.='<b>'.&mt("Failed to lock the request record.")	$result.='<b>'.&mt("Failed to lock the requested record.")
.'</b>'.$back;	.'</b>'.$back;
} elsif ($status_code eq 'unlock') {	} elsif ($status_code eq 'unlock') {
$result.='<b>'.&mt("Unlocked the requested record.")	$result.='<b>'.&mt("Unlocked the requested record.")
Line 556 DONESCREEN	Line 627 DONESCREEN
$result.=&select_user();	$result.=&select_user();
} elsif ($status_code eq 'unable') {	} elsif ($status_code eq 'unable') {
$result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;	$result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
	} elsif ($status_code eq 'not_allowed') {
	$result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
} else {	} else {
$result.='<b>'.&mt("No user to be graded.").'</b>'.$back;	$result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
}	}
}	}
$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($env{'form.queue'})) {
Line 586 DONESCREEN	Line 661 DONESCREEN
}	}
if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }	if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
}	}
	if ($target eq 'webgrade') {
	$result.="\n".'<div id="LC_GRADING_criterialist">';
	}
} elsif ($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 622 sub get_key_todo {	Line 700 sub get_key_todo {
return (undef,'select_user');	return (undef,'select_user');
}	}


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

	#need to try both queues..
	if (defined($env{'form.regradeaspecificsubmission'}) &&
	defined($env{'form.gradinguser'}) &&
	defined($env{'form.gradingdomain'}) ) {
	my ($symb,$cid)=&Apache::lonxml::whichuser();
	my $cnum = $env{'course.'.$cid.'.num'};
	my $cdom = $env{'course.'.$cid.'.domain'};
	my $uname = $env{'form.gradinguser'};
	my $udom = $env{'form.gradingdomain'};

	my $gradingkey=&encode_queue_key($symb,$udom,$uname);

	my $queue;

	if (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
	$env{'form.queue'} = $queue = 'gradingqueue';
	} elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
	$env{'form.queue'} = $queue = 'reviewqueue';
	}

	if (!$queue) {
	$env{'form.queue'} = $queue = 'none';
	#not queued so doing either a re or pre grade
	#FIXME don't allow pregrade
	&Apache::lonxml::debug("not in queue no lock");
	return ($gradingkey);
	}

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

	if (!defined($who)) {
	if (&lock_key($queue,$gradingkey)) {
	&Apache::lonxml::debug("newly locked");
	return ($gradingkey);
	} else {
	return (undef,'lock_failed');
	}
	}

	#otherwise (defined($who) && $who ne $me) some else has it...
	return (undef,'not_allowed',
	&mt('Another user ([_1]) currently has the record for [_2] locked.',
	$who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
	}


my $queue=$env{'form.queue'};	my $queue=$env{'form.queue'};

if (!defined($queue)) {	if (!defined($queue)) {
$env{'form.queue'}=$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 649 sub get_key_todo {	Line 784 sub get_key_todo {
&& $env{'form.queuemode'} eq 'selected') {	&& $env{'form.queuemode'} eq 'selected') {

my $who=&queue_key_locked($queue,$gradingkey);	my $who=&queue_key_locked($queue,$gradingkey);
my $me=$env{'user.name'}.'@'.$env{'user.domain'};
if ($who eq $me) {	if ($who eq $me) {
&Apache::lonxml::debug("Found a key was given to me");	&Apache::lonxml::debug("Found a key was given to me");
return ($gradingkey,'selected');	return ($gradingkey,'selected');
Line 681 sub get_key_todo {	Line 815 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($queue));
Line 729 sub end_Task {	Line 864 sub end_Task {
&show_task($status,$previous)) {	&show_task($status,$previous)) {
$result.=&Apache::inputtags::gradestatus('0');	$result.=&Apache::inputtags::gradestatus('0');
$result.='</form>';	$result.='</form>';
	my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
$result.=<<DONEBUTTON;	$result.=<<DONEBUTTON;
<form method="POST">	<form name="done" method="post" action="$action">
<input type="hidden" name="donescreen" value="1" />	<input type="hidden" name="donescreen" value="1" />
<input type="submit" value="Done" />	<input type="submit" value="Done" />
</form>	</form>
Line 741 DONEBUTTON	Line 877 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'});

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

if ($bt_status eq 'pass') {	if ($bt_status eq 'pass') {
$status.='<h2>You passed the '.$title.' given on '.	$status.='<h2>You passed the '.$title.' given on '.
Line 774 DONEBUTTON	Line 918 DONEBUTTON
$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 782 DONEBUTTON	Line 927 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' \|\| $target eq 'webgrade') {	&Apache::loncommon::end_page({'discussion' => 1});
$result.=&Apache::lonxml::xmlend().'</html>';
}	}
}	}
if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
Line 808 DONEBUTTON	Line 952 DONEBUTTON
}	}
&Apache::lonhomework::showhash(%Apache::lonhomework::results);	&Apache::lonhomework::showhash(%Apache::lonhomework::results);
&Apache::structuretags::finalize_storage();	&Apache::structuretags::finalize_storage();
if ($award eq 'SUBMITTED'	if ($award eq 'SUBMITTED') {
&& defined($Apache::inputtags::slot_name)) {	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
&add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);	if ($useslots =~ /^\sno\s$/i) {
	&add_to_queue('gradingqueue',
	{'type' => 'Task',
	'time' => time});
	} elsif (defined($Apache::inputtags::slot_name)) {
	&add_to_queue('gradingqueue',
	{'type' => 'Task',
	'time' => time,
	'slot' => $Apache::inputtags::slot_name});
	}
}	}
} elsif ($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 846 DONEBUTTON	Line 1004 DONEBUTTON
}	}
&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(':',@Apache::bridgetask::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') {
Line 914 DONEBUTTON	Line 1072 DONEBUTTON
&Apache::structuretags::finalize_storage();	&Apache::structuretags::finalize_storage();
}	}
} elsif ($target eq 'webgrade') {	} elsif ($target eq 'webgrade') {
$result.="</table>\n<hr />";	$result.="</div>";
#$result.='<input type="submit" name="next" value="'.	#$result.='<input type="submit" name="next" value="'.
# &mt('Save & Next').'" /> ';	# &mt('Save & Next').'" /> ';
#$result.='<input type="submit" name="end" value="'.	#$result.='<input type="submit" name="end" value="'.
Line 923 DONEBUTTON	Line 1081 DONEBUTTON
# &mt('Throw Away & Stop Grading').'" /> ';	# &mt('Throw Away & Stop Grading').'" /> ';
#$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>'.&Apache::loncommon::endbodytag().'</html>';	$result.='</form>'."\n</div>\n</div>\n".
	&Apache::loncommon::end_page();
} elsif ($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 948 sub move_between_queues {	Line 1107 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 $result;
}	}
Line 961 sub check_queue_unlock {	Line 1120 sub check_queue_unlock {
if ($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 $me");
Line 1028 sub get_queue_data {	Line 1188 sub get_queue_data {
my ($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 $todo="$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 $value;
Line 1047 sub check_queue_for_key {	Line 1207 sub check_queue_for_key {
if (defined($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 1074 sub add_to_queue {	Line 1234 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 1087 sub show_queue {	Line 1271 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().
$result.="\n<h3>Current Queue - $symb $queue </h3><table border='1'><tr>";	&Apache::loncommon::start_data_table_row().
if ($with_selects) { $result.="<th></th>"; }	'<td>'.&mt('Empty').'</td>'.
$result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";	&Apache::loncommon::end_data_table_row().
	&Apache::loncommon::end_data_table();
	}
	my $title=&Apache::lonnet::gettitle($symb);
	$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>"; }
	$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) {
my $title=&Apache::lonnet::gettitle($symb);	$result.= &Apache::loncommon::start_data_table_row().
$result.="<tr><td>$title</td><td>$uname</td>";	"<td>$uname</td>";
$result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';	$result.='<td>'.$queue{$key}.'</td></tr>';
} elsif ($key=~/timestamp$/ && !$with_selects) {	} elsif ($key=~/timestamp$/ && !$with_selects) {
my ($symb,undef) = split("\0",$key);	$result.=&Apache::loncommon::start_data_table_row()."<td></td>";
my $title=&Apache::lonnet::gettitle($symb);	$result.='<td>'.
$result.="<tr><td>$title</td><td></td>";
$result.='<td>last queue modification time</td><td>'.
&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";	&Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
} elsif ($key!~/(timestamp\|locked)$/) {	} elsif ($key!~/(timestamp\|locked)$/) {
my $title=&Apache::lonnet::gettitle($symb);	$result.= &Apache::loncommon::start_data_table_row();
$result.="<tr>";	my ($end_time,$slot_text);
my $slot=$queue{$key}->[0];	if (my $slot=&slotted_access($queue{$key})) {
my %slot_data=&Apache::lonnet::get_slot($slot);	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)=('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{"$key\0locked"});
if ($me eq $queue{"$key\0locked"}) {	if ($me eq $queue{"$key\0locked"}) {
($action,$description)=('resume',&mt('Resume'));	($action,$description)=('resume',&mt('Resume'));
} else {	} else {
Line 1138 sub show_queue {	Line 1357 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>	<td>
<form method="POST">	<form style="display: inline" method="post">
<input type="hidden" name="gradingkey" value="$ekey" />	<input type="hidden" name="gradingkey" value="$ekey" />
<input type="hidden" name="queue" value="$queue" />	<input type="hidden" name="queue" value="$queue" />
<input type="hidden" name="gradingaction" value="$action" />	<input type="hidden" name="gradingaction" value="$action" />
Line 1152 sub show_queue {	Line 1372 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>'
}	}
}	}
$result.="<td>$title</td><td>$uname</td>";	$result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
$result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.	" <tt>($uname:$udom)</tt> </td>";
&Apache::lonlocal::locallocaltime($slot_data{'endtime'}).	$result.='<td>'.$slot_text.' End time: '.
"</td></tr>";	&Apache::lonlocal::locallocaltime($end_time).
	"</td>".&Apache::loncommon::end_data_table_row();
}	}
}	}
$result.="</table><hr />\n";	$result.= &Apache::loncommon::end_data_table()."<hr />\n";
return $result;	return $result;
}	}

Line 1173 sub get_queue_counts {	Line 1395 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 1182 sub get_queue_counts {	Line 1407 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 1204 sub get_queue_counts {	Line 1437 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 1229 sub queue_key_locked {	Line 1462 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 first ten entries	# pick one of the entries in the top 10% in small queues and one
my $max=($#possible < 10) ? $#possible : 10;	# of the first ten entries in large queues
return $possible[int(rand($max))][0];	#my $ten_percent = int($#possible * 0.1);
	#if ($ten_percent < 1 ) { $ten_percent = 1; }
	#if ($ten_percent > 10) { $ten_percent = 10; }
	#my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;

	#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 1288 sub find_mid_grade {	Line 1561 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 1308 sub get_queue_symb_status {	Line 1581 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 1317 sub get_queue_symb_status {	Line 1592 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:$udom");
}	}
return @users;	return @users;
Line 1332 sub get_from_queue {	Line 1608 sub get_from_queue {
&Apache::lonxml::debug("found ".join(':',&decode_queue_key($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 1342 sub get_from_queue {	Line 1621 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 1401 sub select_user {	Line 1681 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 1433 sub select_user {	Line 1712 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 1443 sub select_user {	Line 1723 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="$todo" />
<input type="hidden" name="queue" value="$queue" />	<input type="hidden" name="queue" value="$queue" />
<input type="hidden" name="webgrade" value="no" />	<input type="hidden" name="webgrade" value="no" />
Line 1456 sub select_user {	Line 1734 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 1495 RESULT	Line 1773 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 1550 sub get_id {	Line 1828 sub get_id {
}	}

my %dimension;	my %dimension;
	sub start_Setup {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
	undef(%dimension);
	my $dim_id=&get_id($parstack,$safeeval);
	$Apache::bridgetask::dimension=$dim_id;
	undef(@Apache::bridgetask::instance);
	&Apache::lonxml::startredirection();
	return &internal_location($dim_id);
	}
	sub start_Question { return &start_Dimension(@_); }
sub start_Dimension {	sub start_Dimension {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
undef(%dimension);	undef(%dimension);
Line 1563 sub start_Dimension {	Line 1851 sub start_Dimension {
return &internal_location($dim_id);	return &internal_location($dim_id);
}	}

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

	sub end_QuestionText {
	return '';
	}

sub get_instance {	sub get_instance {
my ($dim)=@_;	my ($dim)=@_;
my $rand_alg=&Apache::lonnet::get_rand_alg();	my $rand_alg=&Apache::lonnet::get_rand_alg();
Line 1592 sub get_instance {	Line 1894 sub get_instance {
}	}
@instances = &Math::Random::random_permutation(@instances);	@instances = &Math::Random::random_permutation(@instances);
$instance = $instances[($version-1)%scalar(@instances)];	$instance = $instances[($version-1)%scalar(@instances)];
$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} =	if ($version =~ /^\d$/) {
$instance;	$Apache::lonhomework::results{"resource.$version.0.$dim.instance"} =
$Apache::lonhomework::results{'INTERNAL_store'} = 1;	$instance;
	$Apache::lonhomework::results{'INTERNAL_store'} = 1;
	}
&Apache::response::poprandomnumber();	&Apache::response::poprandomnumber();
return $instance;	return $instance;
}	}
Line 1602 sub get_instance {	Line 1906 sub get_instance {

{	{
my $last_link;	my $last_link;
	sub link {
	my ($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 $result=&Apache::lonxml::endredirection();
Line 1615 sub get_instance {	Line 1925 sub get_instance {
if (&Apache::response::showallfoils()) {	if (&Apache::response::showallfoils()) {
@instances = @{$dimension{'instances'}};	@instances = @{$dimension{'instances'}};
}	}
	my $shown_question_text;
foreach my $instance (@instances) {	foreach my $instance (@instances) {
@Apache::scripttag::parser_env = @_;	@Apache::scripttag::parser_env = @_;
$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});	$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
	@Apache::scripttag::parser_env = @_;
	$result.=&Apache::scripttag::xmlparse($dimension{'questiontext'});
if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' \|\|	if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' \|\|
$Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {	$Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {

Line 1626 sub get_instance {	Line 1939 sub get_instance {
if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {	if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
$mandatory='Optional';	$mandatory='Optional';
}	}
my $dim_info="<div class='$dim_status'>\n";	my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
if ($dim_status eq 'pass') {	if ($dim_status eq 'pass') {
$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';	$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
}	}
Line 1637 sub get_instance {	Line 1950 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{$instance.'.criterias'}},
if ($dimension{$instance.'.criteria.'.$id.'.mandatory'}	@{$dimension{'criterias'}} ) {
	if ($dimension{'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 ($Apache::lonhomework::history{"resource.$version.0.$dim.$id.status"} eq 'pass') {
$opt_passed++;	$opt_passed++;
}	}
} else {	} else {
Line 1652 sub get_instance {	Line 1966 sub get_instance {
}	}
}	}
if ($man_passed eq $man_count) { $man_passed='all'; }	if ($man_passed eq $man_count) { $man_passed='all'; }

my $opt_req=$dimension{$instance.'.optionalrequired'};	my $opt_req=$dimension{$instance.'.optionalrequired'};
if ($opt_req !~ /\S/) { $opt_req='0'; }	if ($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{$instance.'.criterias'}},
my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};	@{$dimension{'criterias'}}) {
my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};	my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$id.status"};
my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');	my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"};
	my $mandatory=($dimension{'criteria.'.$id.'.mandatory'} ne 'N');
if ($mandatory) {	if ($mandatory) {
$mandatory='Mandatory';	$mandatory='Mandatory';
} else {	} else {
Line 1675 sub get_instance {	Line 1996 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;
	$result.=
	'<div class="LC_'.$status.' LC_criteria"><h4>'
	.$mandatory.' Criteria</h4><p>';
@Apache::scripttag::parser_env = @_;	@Apache::scripttag::parser_env = @_;
$result.='<div class="'.$status.'"><h4>'.$mandatory.	$result.=&Apache::scripttag::xmlparse($dimension{'criteria.'.$id});
' Criteria</h4><p>';	$result.='</p><p class="LC_grade">'.$status_display.'</p>';
@Apache::scripttag::parser_env = @_;	if ($Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"}) {
$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});	$result.='<p class="LC_comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"}).'</p>';
$result.='</p><p class="grade">'.$status_display.'</p>';
if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
$result.='<p class="comment">'.&mt('Comment: [_1]',$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</p>';
}	}
$result.='</div>';	$result.='</div>';
}	}
Line 1694 sub get_instance {	Line 2015 sub get_instance {
&Apache::scripttag::xmlparse($dimension{'intro'});	&Apache::scripttag::xmlparse($dimension{'intro'});
@Apache::scripttag::parser_env = @_;	@Apache::scripttag::parser_env = @_;
&Apache::scripttag::xmlparse($dimension{$instance.'.text'});	&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
foreach my $id (@{$dimension{$instance.'.criterias'}}) {	@Apache::scripttag::parser_env = @_;
my $link='criteria_'.$instance.'_'.$id;	&Apache::scripttag::xmlparse($dimension{'questiontext'});
my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};	foreach my $id (@{$dimension{$instance.'.criterias'}},
$result.='<tr><td width="100%" valign="top">'.	@{$dimension{'criterias'}} ) {
'<a name="'.$link.'" />'.	my $link=&link($id);
'<a name="next_'.$last_link.'" />'.	my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$id.status"};
'<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';	$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
	'<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
@Apache::scripttag::parser_env = @_;	@Apache::scripttag::parser_env = @_;
$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});	$result.=&Apache::scripttag::xmlparse($dimension{'criteria.'.$id});
$result.='</textarea>'.	$result.='</div>'."\n".
#$dimension{$instance.'.criteria.'.$id}.	#$dimension{'criteria.'.$id}.
'</td>'.	'<div class="LC_GRADING_grade">'."\n".
'<td><nobr>Additional Comment for Student</nobr> <br />'.	'<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' \|\| !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
'<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'.	'<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
'</td>'.	'<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
'<td>'.	'<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
'<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' \|\| !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.	'</div>'."\n".
'<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.	'<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
'<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.	'<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$id.comment"}).'</textarea>'."\n".
'<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.	'</label>'."\n".
'</td>'.	'<ul class="LC_GRADING_navbuttons">'."\n".
'<td>'.	'<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
'<a href="#'.$last_link.'">Prev</a><br />'.	'<li><a href="#next_'.$link.'">Next</a></li>'."\n".
'<a href="#next_'.$link.'">Next</a><br /><br /><br />'.	'</ul>'."\n".
'</td></tr>';	'</div>'."\n";
	$result.=&grading_history($version,$dim,$id);
$last_link=$link;	$last_link=$link;
}	}
} elsif ($target eq 'grade' && $env{'form.webgrade'}) {	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
Line 1726 sub get_instance {	Line 2049 sub get_instance {
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 $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};	@Apache::scripttag::parser_env = @_;
$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};	$result.=&Apache::scripttag::xmlparse($dimension{'intro'});
my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');	@Apache::scripttag::parser_env = @_;
	$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
	@Apache::scripttag::parser_env = @_;
	&Apache::scripttag::xmlparse($dimension{'questiontext'});

	foreach my $id (@{$dimension{$instance.'.criterias'}},
	@{$dimension{'criterias'}}) {
	my $link=&link($id);
	my $status=$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};
	my $mandatory=($dimension{'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 1742 sub get_instance {	Line 2075 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{$instance.'.optionalrequired'};
	if ($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{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
Line 1765 sub get_instance {	Line 2106 sub get_instance {
}	}
return $result;	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{'intro'});
	my @instances = $instance;
	if (&Apache::response::showallfoils()) {
	@instances = @{$dimension{'instances'}};
	}
	foreach my $instance (@instances) {
	@Apache::scripttag::parser_env = @_;
	$result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
	@Apache::scripttag::parser_env = @_;
	$result.=&Apache::scripttag::xmlparse($dimension{'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{'intro'});
	@Apache::scripttag::parser_env = @_;
	&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
	@Apache::scripttag::parser_env = @_;
	&Apache::scripttag::xmlparse($dimension{'questiontext'});
	} else {
	# any other targets no output
	undef($result);
	}
	return $result;
	}
	}

	sub grading_history {
	my ($version,$dim,$id) = @_;
	if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
	return '';
	}
	my ($result,$grader);
	my $scope="resource.$version.0.$dim.$id";
	foreach my $t (1..$Apache::lonhomework::history{'version'}) {
	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
	my ($gname,$gdom) =
	split(':',$Apache::lonhomework::history{$t.':resource.0.regrader'});
	my $fullname = &Apache::loncommon::plainname($gname,$gdom);
	$grader = &Apache::loncommon::aboutmewrapper($fullname,
	$gname,$gdom);
	}
	my $entry;
	if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
	$entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
	}
	if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
	$entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
	}
	if ($entry) {
	$result.= "<li>$grader : $entry </li>";
	}
	}
	if ($result) {
	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
	}
	return '';
}	}

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' \|\| $target eq 'webgrade') {	if ($target eq 'grade' \|\| $target eq 'web' \|\| $target eq 'webgrade') {
if ($tagstack->[-2] eq 'Dimension') {	if ($tagstack->[-2] eq 'Dimension' \|\| $tagstack->[-2] eq 'Question' ) {
$dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);	$dimension{'intro'}=
	&Apache::lonxml::get_all_text('/introparagraph',
} elsif ($target eq 'webgrade') {	$parser,$style);
&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);	} elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
	&Apache::lonxml::startredirection();
}	}

}	}
Line 1783 sub start_IntroParagraph {	Line 2192 sub start_IntroParagraph {
}	}

sub end_IntroParagraph {	sub end_IntroParagraph {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
	my $result = &Apache::lonxml::endredirection();
	}
}	}

sub start_Instance {	sub start_Instance {
Line 1807 sub start_InstanceText {	Line 2220 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 $instance_id=$Apache::bridgetask::instance[-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;	$dimension{$instance_id.'.text'}=$text;
}	}
return '';	return '';
Line 1819 sub end_InstanceText {	Line 2232 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 $id=&get_id($parstack,$safeeval);	my $id=&get_id($parstack,$safeeval);
$dimension{$instance_id.'.criteria.'.$id}=$criteria;	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
$dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=	my $instance_id=$Apache::bridgetask::instance[-1];
&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);	$dimension{"criteria.$instance_id.$id"}=$criteria;
push(@{$dimension{$instance_id.'.criterias'}},$id);	$dimension{"criteria.$instance_id.$id.mandatory"}=
	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
	push(@{$dimension{$instance_id.'.criterias'}},"$instance_id.$id");
	} else {
	$dimension{'criteria.'.$id}=$criteria;
	$dimension{'criteria.'.$id.'.mandatory'}=
	&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
	push(@{$dimension{'criterias'}},$id);
	}
}	}
return '';	return '';
}	}
Line 1850 sub proctor_validation_screen {	Line 2270 sub proctor_validation_screen {
<h2>Proctor Validation</h2>	<h2>Proctor Validation</h2>
<p>Your room's proctor needs to validate your access to this resource.</p>	<p>Your room's proctor needs to validate your access to this resource.</p>
$msg	$msg
<form name="checkout" method="POST" action="$env{'request.uri'}">	<form name="checkout" method="post" action="$env{'request.uri'}">
<input type="hidden" name="validate" value="yes" />	<input type="hidden" name="validate" value="yes" />
<input type="hidden" name="submitted" value="yes" />	<input type="hidden" name="submitted" value="yes" />
<table>	<table>
Line 1865 sub proctor_validation_screen {	Line 2285 sub proctor_validation_screen {
<tr><td colspan="2">Student who should be logged in is:</td></tr>	<tr><td colspan="2">Student who should be logged in is:</td></tr>
<tr><td>Name:</td><td>$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.1.102
changed lines
	Added in v.1.163