loncom/interface/lonnavmaps.pm - diff

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Diff for /loncom/interface/lonnavmaps.pm between versions 1.424 and 1.486

version 1.424, 2009/02/14 12:20:10	version 1.486, 2012/06/08 21:24:16
Line 2	Line 2
# Navigate Maps Handler	# Navigate Maps Handler
#	#
# $Id$	# $Id$

#	#
# Copyright Michigan State University Board of Trustees	# Copyright Michigan State University Board of Trustees
#	#
Line 31	Line 32

=head1 NAME	=head1 NAME

Apache::lonnavmaps.pm	Apache::lonnavmaps - Subroutines to handle and render the navigation

=head1 SYNOPSIS	=head1 SYNOPSIS

Line 463 returns 4	Line 464 returns 4

=item add_linkitem()	=item add_linkitem()

=item show_linkitems()	=item show_linkitems_toolbar()

=back	=back

Line 477 use Apache::loncommon();	Line 478 use Apache::loncommon();
use Apache::lonenc();	use Apache::lonenc();
use Apache::lonlocal;	use Apache::lonlocal;
use Apache::lonnet;	use Apache::lonnet;
	use Apache::lonmap;

use POSIX qw (floor strftime);	use POSIX qw (floor strftime);
use Time::HiRes qw( gettimeofday tv_interval );	use Time::HiRes qw( gettimeofday tv_interval );
use LONCAPA;	use LONCAPA;
use DateTime();	use DateTime();
	use HTML::Entities;

	# For debugging

	use Data::Dumper;


# symbolic constants	# symbolic constants
sub SYMB { return 1; }	sub SYMB { return 1; }
Line 491 sub NOTHING { return 3; }	Line 500 sub NOTHING { return 3; }

my $resObj = "Apache::lonnavmaps::resource";	my $resObj = "Apache::lonnavmaps::resource";

# Keep these mappings in sync with lonquickgrades, which uses the colors	# Keep these mappings in sync with lonquickgrades, which usesthe colors
# instead of the icons.	# instead of the icons.
my %statusIconMap =	my %statusIconMap =
(	(
Line 504 my %statusIconMap =	Line 513 my %statusIconMap =
$resObj->ERROR => ''	$resObj->ERROR => ''
);	);

my %iconAltTags =	my %iconAltTags = #texthash does not work here
( 'navmap.correct.gif' => 'Correct',	( 'navmap.correct.gif' => 'Correct',
'navmap.wrong.gif' => 'Incorrect',	'navmap.wrong.gif' => 'Incorrect',
'navmap.open.gif' => 'Open' );	'navmap.open.gif' => 'Is Open',
	'navmap.partial.gif' => 'Partially Correct',
	'navmap.ellipsis.gif' => 'Attempted',
	);

# Defines a status->color mapping, null string means don't color	# Defines a status->color mapping, null string means don't color
my %colormap =	my %colormap =
Line 523 my %colormap =	Line 535 my %colormap =
$resObj->OPEN => '',	$resObj->OPEN => '',
$resObj->NOTHING_SET => '',	$resObj->NOTHING_SET => '',
$resObj->ATTEMPTED => '',	$resObj->ATTEMPTED => '',
	$resObj->CREDIT_ATTEMPTED => '',
$resObj->ANSWER_SUBMITTED => '',	$resObj->ANSWER_SUBMITTED => '',
$resObj->PARTIALLY_CORRECT => '#006600'	$resObj->PARTIALLY_CORRECT => '#006600'
);	);
Line 530 my %colormap =	Line 543 my %colormap =
# is not yet done and due in less than 24 hours	# is not yet done and due in less than 24 hours
my $hurryUpColor = "#FF0000";	my $hurryUpColor = "#FF0000";

sub close {
if ($env{'environment.remotenavmap'} ne 'on') { return ''; }
return(<<ENDCLOSE);
<script type="text/javascript">
window.status='Accessing Nav Control';
menu=window.open("/adm/rat/empty.html","loncapanav",
"height=600,width=400,scrollbars=1");
window.status='Closing Nav Control';
menu.close();
window.status='Done.';
</script>
ENDCLOSE
}

sub update {
if ($env{'environment.remotenavmap'} ne 'on') { return ''; }
if (!$env{'request.course.id'}) { return ''; }
if ($ENV{'REQUEST_URI'}=~m\|^/adm/navmaps\|) { return ''; }
return(<<ENDUPDATE);
<form name="navform"></form>
<script type="text/javascript">
this.document.navform.action='/adm/navmaps#curloc';
this.document.navform.target='loncapanav';
this.document.navform.submit();
</script>
ENDUPDATE
}


sub addToFilter {	sub addToFilter {
my $hashIn = shift;	my $hashIn = shift;
my $addition = shift;	my $addition = shift;
Line 594 sub getLinkForResource {	Line 578 sub getLinkForResource {
my ($map,$id,$src)=&Apache::lonnet::decode_symb($res->symb());	my ($map,$id,$src)=&Apache::lonnet::decode_symb($res->symb());
if ($map=~/\.page$/) {	if ($map=~/\.page$/) {
my $url=&Apache::lonnet::clutter($map);	my $url=&Apache::lonnet::clutter($map);
$anchor=&escape($src->shown_symb());	$anchor=&escape($res->shown_symb());
return ($url,$res->shown_symb(),$anchor);	return ($url,$res->shown_symb(),$anchor);
}	}
}	}
Line 629 sub getDescription {	Line 613 sub getDescription {
return &mt("Having technical difficulties; please check status later");	return &mt("Having technical difficulties; please check status later");
}	}
if ($status == $res->NOTHING_SET) {	if ($status == $res->NOTHING_SET) {
return &mt("Not currently assigned.");	return &Apache::lonhtmlcommon::direct_parm_link(&mt("Not currently assigned.",$res->symb(),'opendate'),$part);
}	}
if ($status == $res->OPEN_LATER) {	if ($status == $res->OPEN_LATER) {
return &mt("Open ") .timeToHumanString($open,'start');	return &mt("Open [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($open,'start'),$res->symb(),'opendate',$part));
	}
	if ($res->simpleStatus($part) == $res->OPEN) {
	unless (&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) {
	my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part);
	if ($slot_status == $res->UNKNOWN) {
	return &mt('Reservation status unknown');
	} elsif ($slot_status == $res->RESERVED) {
	return &mt('Reserved - ends [_1]',
	timeToHumanString($slot_time,'end'));
	} elsif ($slot_status == $res->RESERVED_LOCATION) {
	return &mt('Reserved - specific location(s) - ends [_1]',
	timeToHumanString($slot_time,'end'));
	} elsif ($slot_status == $res->RESERVED_LATER) {
	return &mt('Reserved - next open [_1]',
	timeToHumanString($slot_time,'start'));
	} elsif ($slot_status == $res->RESERVABLE) {
	return &mt('Reservable, reservations close [_1]',
	timeToHumanString($slot_time,'end'));
	} elsif ($slot_status == $res->RESERVABLE_LATER) {
	return &mt('Reservable, reservations open [_1]',
	timeToHumanString($slot_time,'start'));
	} elsif ($slot_status == $res->NOT_IN_A_SLOT) {
	return &mt('Reserve a time/place to work');
	} elsif ($slot_status == $res->NOTRESERVABLE) {
	return &mt('Reservation not available');
	} elsif ($slot_status == $res->WAITING_FOR_GRADE) {
	return &mt('Submission in grading queue');
	}
	}
}	}
if ($status == $res->OPEN) {	if ($status == $res->OPEN) {
if ($due) {	if ($due) {
if ($res->is_practice()) {	if ($res->is_practice()) {
return &mt("Closes ")." " .timeToHumanString($due,'start');	return &mt("Closes [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'start'),$res->symb(),'duedate',$part));
} else {	} else {
return &mt("Due")." " .timeToHumanString($due,'end');	return &mt("Due [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'end'),$res->symb(),'duedate',$part));
}	}
} else {	} else {
return &mt("Open, no due date");	return &Apache::lonhtmlcommon::direct_parm_link(&mt("Open, no due date"),$res->symb(),'duedate',$part);
}	}
}	}
if ($status == $res->PAST_DUE_ANSWER_LATER) {	if ($status == $res->PAST_DUE_ANSWER_LATER) {
return &mt("Answer open")." " .timeToHumanString($answer,'start');	return &mt("Answer open [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($answer,'start'),$res->symb(),'answerdate',$part));
}	}
if ($status == $res->PAST_DUE_NO_ANSWER) {	if ($status == $res->PAST_DUE_NO_ANSWER) {
if ($res->is_practice()) {	if ($res->is_practice()) {
return &mt("Closed")." " . timeToHumanString($due,'start');	return &mt("Closed [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'start'),$res->symb(),'answerdate,duedate',$part));
} else {	} else {
return &mt("Was due")." " . timeToHumanString($due,'end');	return &mt("Was due [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'end'),$res->symb(),'answerdate,duedate',$part));
}	}
}	}
if (($status == $res->ANSWER_OPEN \|\| $status == $res->PARTIALLY_CORRECT)	if (($status == $res->ANSWER_OPEN \|\| $status == $res->PARTIALLY_CORRECT)
&& $res->handgrade($part) ne 'yes') {	&& $res->handgrade($part) ne 'yes') {
return &mt("Answer available");	return &Apache::lonhtmlcommon::direct_parm_link(&mt("Answer available"),$res->symb(),'answerdate,duedate',$part);
}	}
if ($status == $res->EXCUSED) {	if ($status == $res->EXCUSED) {
return &mt("Excused by instructor");	return &mt("Excused by instructor");
}	}
if ($status == $res->ATTEMPTED) {	if ($status == $res->ATTEMPTED) {
return &mt("Answer submitted, not yet graded");	if ($res->is_anonsurvey($part) \|\| $res->is_survey($part)) {
	return &mt("Survey submission recorded");
	} else {
	return &mt("Answer submitted, not yet graded");
	}
	}
	if ($status == $res->CREDIT_ATTEMPTED) {
	if ($res->is_anonsurvey($part) \|\| $res->is_survey($part)) {
	return &mt("Credit for survey submission");
	}
}	}
if ($status == $res->TRIES_LEFT) {	if ($status == $res->TRIES_LEFT) {
my $tries = $res->tries($part);	my $tries = $res->tries($part);
Line 676 sub getDescription {	Line 698 sub getDescription {
}	}
}	}
if ($due) {	if ($due) {
return &mt("Due")." " . timeToHumanString($due,'end') .	return &mt("Due [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'end'),$res->symb(),'duedate',$part)) .
" $triesString";	" $triesString";
} else {	} else {
return &mt("No due date")." $triesString";	return &Apache::lonhtmlcommon::direct_parm_link(&mt("No due date"),$res->symb(),'duedate',$part)." $triesString";
}	}
}	}
if ($status == $res->ANSWER_SUBMITTED) {	if ($status == $res->ANSWER_SUBMITTED) {
Line 761 sub timeToHumanString {	Line 783 sub timeToHumanString {

# Less than an hour	# Less than an hour
if ( $delta < $hour ) {	if ( $delta < $hour ) {
# If so, use minutes	# If so, use minutes; or minutes, seconds (if format requires)
my $minutes = floor($delta / 60);	my $minutes = floor($delta / 60);
	if (($format ne '') && ($format =~ /\%(T\|S)/)) {
	my $display;
	if ($minutes == 1) {
	$display = "${prefix}1 minute";
	} else {
	$display = "$prefix$minutes minutes";
	}
	my $seconds = $delta % $minute;
	if ($seconds == 0) {
	$display .= $tense;
	} elsif ($seconds == 1) {
	$display .= ", 1 second$tense";
	} else {
	$display .= ", $seconds seconds$tense";
	}
	return $display;
	}
if ($minutes == 1) { return "${prefix}1 minute$tense"; }	if ($minutes == 1) { return "${prefix}1 minute$tense"; }
return "$prefix$minutes minutes$tense";	return "$prefix$minutes minutes$tense";
}	}

# Is it less than 24 hours away? If so,	# Is it less than 24 hours away? If so,
# display hours + minutes	# display hours + minutes, (and + seconds, if format specified it)
if ( $delta < $hour * 24) {	if ( $delta < $hour * 24) {
my $hours = floor($delta / $hour);	my $hours = floor($delta / $hour);
my $minutes = floor(($delta % $hour) / $minute);	my $minutes = floor(($delta % $hour) / $minute);
Line 783 sub timeToHumanString {	Line 822 sub timeToHumanString {
if ($minutes == 0) {	if ($minutes == 0) {
$minuteString = "";	$minuteString = "";
}	}
	if (($format ne '') && ($format =~ /\%(T\|S)/)) {
	my $display = "$prefix$hourString$minuteString";
	my $seconds = $delta-(($hours * $hour)+($minutes * $minute));
	if ($seconds == 0) {
	$display .= $tense;
	} elsif ($seconds == 1) {
	$display .= ", 1 second$tense";
	} else {
	$display .= ", $seconds seconds$tense";
	}
	return $display;
	}
return "$prefix$hourString$minuteString$tense";	return "$prefix$hourString$minuteString$tense";
}	}

	# Date/time is more than 24 hours away

my $dt = DateTime->from_epoch(epoch => $time)	my $dt = DateTime->from_epoch(epoch => $time)
->set_time_zone(&Apache::lonlocal::gettimezone());	->set_time_zone(&Apache::lonlocal::gettimezone());

# If there's a caller supplied format, use it.	# If there's a caller supplied format, use it, unless it only displays
	# H:M:S or H:M.

if ($format ne '') {	if (($format ne '') && ($format ne '%T') && ($format ne '%R')) {
my $timeStr = $dt->strftime($format);	my $timeStr = $dt->strftime($format);
return $timeStr.' ('.$dt->time_zone_short_name().')';	return $timeStr.' ('.$dt->time_zone_short_name().')';
}	}
Line 843 sub part_status_summary { return 4; }	Line 897 sub part_status_summary { return 4; }
sub render_resource {	sub render_resource {
my ($resource, $part, $params) = @_;	my ($resource, $part, $params) = @_;

	my $editmapLink;
my $nonLinkedText = ''; # stuff after resource title not in link	my $nonLinkedText = ''; # stuff after resource title not in link

my $link = $params->{"resourceLink"};	my $link = $params->{"resourceLink"};

# The URL part is not escaped at this point, but the symb is...	# The URL part is not escaped at this point, but the symb is...
# The stuff to the left of the ? must have ' replaced by \' since
# it will be quoted with ' in the href.

my ($left,$right) = split(/\?/, $link);
$link = $left.'?'.$right;

my $src = $resource->src();	my $src = $resource->src();
my $it = $params->{"iterator"};	my $it = $params->{"iterator"};
Line 865 sub render_resource {	Line 915 sub render_resource {
my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons");	my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons");
# If this is a new branch, label it so	# If this is a new branch, label it so
if ($params->{'isNewBranch'}) {	if ($params->{'isNewBranch'}) {
$newBranchText = "<img src='$location/branch.gif' border='0' alt='Branch' />";	$newBranchText = "<img src='$location/branch.gif' alt=".mt('Branch')." />";
}	}

# links to open and close the folder	# links to open and close the folder

	my $whitespace = $location.'/whitespace_21.gif';
my $linkopen = "<a href=\"$link\">";	my $linkopen = "<img src='$whitespace' alt='' />"."<a href=\"$link\">";


my $linkclose = "</a>";	my $linkclose = "</a>";

# Default icon: unknown page	# Default icon: unknown page
my $icon = "<img src='$location/unknown.gif' alt='' border='0' alt='  ' ' />";	my $icon = "<img class=\"LC_contentImage\" src='$location/unknown.gif' alt='' />";

if ($resource->is_problem()) {	if ($resource->is_problem()) {
if ($part eq '0' \|\| $params->{'condensed'}) {	if ($part eq '0' \|\| $params->{'condensed'}) {
$icon = '<img src="'.$location.'/';	$icon = '<img class="LC_contentImage" src="'.$location.'/';
if ($resource->is_task()) {	if ($resource->is_task()) {
$icon .= 'task.gif" alt="'.&mt('Task');	$icon .= 'task.gif" alt="'.&mt('Task');
} else {	} else {
$icon .= 'problem.gif" alt="'.&mt('Problem');	$icon .= 'problem.gif" alt="'.&mt('Problem');
}	}
$icon .='" border="0" />';	$icon .='" />';
} else {	} else {
$icon = $params->{'indentString'};	$icon = $params->{'indentString'};
}	}
} else {	} else {
$icon = "<img src='".&Apache::loncommon::icon($resource->src)."' alt='  ' border='0' />";	$icon = "<img class=\"LC_contentImage\" src='".&Apache::loncommon::icon($resource->src)."' alt='' />";
}	}

# Display the correct map icon to open or shut map	# Display the correct map icon to open or shut map
Line 902 sub render_resource {	Line 950 sub render_resource {
if ($it->{CONDITION}) {	if ($it->{CONDITION}) {
$nowOpen = !$nowOpen;	$nowOpen = !$nowOpen;
}	}

my $folderType = $resource->is_sequence() ? 'folder' : 'page';	my $folderType = $resource->is_sequence() ? 'folder' : 'page';
my $title=$resource->title;	my $title=$resource->title;
$title=~s/\"/\"/g;	$title=~s/\"/\&qout;/g;
if (!$params->{'resource_no_folder_link'}) {	if (!$params->{'resource_no_folder_link'}) {
$icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') . '.gif';	$icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') . '.gif';
$icon = "<img src='$location/$icon' alt=\"".	$icon = "<img src='$location/arrow." . ($nowOpen ? 'closed' : 'open') . ".gif' alt='' />"
($nowOpen ? &mt('Open Folder') : &mt('Close Folder')).' '.$title."\" border='0' />";	."<img class=\"LC_contentImage\" src='$location/$icon' alt=\""
	.($nowOpen ? &mt('Open Folder') : &mt('Close Folder')).' '.$title."\" />";
$linkopen = "<a href=\"" . $params->{'url'} . '?' .	$linkopen = "<a href=\"" . $params->{'url'} . '?' .
$params->{'queryString'} . '&filter=';	$params->{'queryString'} . '&filter=';
$linkopen .= ($nowOpen xor $it->{CONDITION}) ?	$linkopen .= ($nowOpen xor $it->{CONDITION}) ?
Line 925 sub render_resource {	Line 973 sub render_resource {

} else {	} else {
# Don't allow users to manipulate folder	# Don't allow users to manipulate folder
$icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') .	$icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') . '.gif';
'.nomanip.gif';	$icon = "<img class=\"LC_space\" src='$whitespace' alt='' />"."<img class=\"LC_contentImage\" src='$location/$icon' alt=\"".($nowOpen ? &mt('Open Folder') : &mt('Close Folder')).' '.$title."\" />";
$icon = "<img src='$location/$icon' alt=\"".
($nowOpen ? &mt('Open Folder') : &mt('Close Folder')).' '.$title."\" border='0' />";

$linkopen = "";	$linkopen = "";
$linkclose = "";	$linkclose = "";
}	}
	if ((&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) &&
	($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/)) {
	my $icon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png';
	$editmapLink=' '.
	'<a href="/adm/coursedocs?command=direct&symb='.&escape($resource->symb()).'">'.
	'<img src="'.$icon.'" alt="'.&mt('Edit Content').'" title="'.&mt('Edit Content').'" />'.
	'</a>';
	}
}	}

if ($resource->randomout()) {	if ($resource->randomout()) {
$nonLinkedText .= ' <i>('.&mt('hidden').')</i> ';	$nonLinkedText .= ' <span class="LC_warning">('.&mt('hidden').')</span> ';
}	}
if (!$resource->condval()) {	if (!$resource->condval()) {
$nonLinkedText .= ' <i>('.&mt('conditionally hidden').')</i> ';	$nonLinkedText .= ' <span class="LC_info">('.&mt('conditionally hidden').')</span> ';
}	}
if (($resource->is_practice()) && ($resource->is_raw_problem())) {	if (($resource->is_practice()) && ($resource->is_raw_problem())) {
$nonLinkedText .=' <font color="green"><b>'.&mt('not graded').'</b></font>';	$nonLinkedText .=' <font color="green"><b>'.&mt('not graded').'</b></font>';
}	}

# We're done preparing and finally ready to start the rendering
my $result = "<td align='left' valign='middle'>";

	# We're done preparing and finally ready to start the rendering
	my $result = '<td class="LC_middle">';
	my $newfolderType = $resource->is_sequence() ? 'folder' : 'page';

my $indentLevel = $params->{'indentLevel'};	my $indentLevel = $params->{'indentLevel'};
if ($newBranchText) { $indentLevel--; }	if ($newBranchText) { $indentLevel--; }

Line 957 sub render_resource {	Line 1012 sub render_resource {
}	}

# Decide what to display	# Decide what to display

$result .= "$newBranchText$linkopen$icon$linkclose";	$result .= "$newBranchText$linkopen$icon$linkclose";

my $curMarkerBegin = '';	my $curMarkerBegin = '';
Line 966 sub render_resource {	Line 1020 sub render_resource {
# Is this the current resource?	# Is this the current resource?
if (!$params->{'displayedHereMarker'} &&	if (!$params->{'displayedHereMarker'} &&
$resource->symb() eq $params->{'here'} ) {	$resource->symb() eq $params->{'here'} ) {
$curMarkerBegin = '<em style="font-weight:bold;">';	unless ($resource->is_map()) {
$curMarkerEnd = '</em>';	$curMarkerBegin = '<span class="LC_current_nav_location">';
	$curMarkerEnd = '</span>';
	}
$params->{'displayedHereMarker'} = 1;	$params->{'displayedHereMarker'} = 1;
}	}

Line 983 sub render_resource {	Line 1039 sub render_resource {
$nonLinkedText .= ' ('.&mt('[_1] parts', $resource->countParts()).')';	$nonLinkedText .= ' ('.&mt('[_1] parts', $resource->countParts()).')';
}	}

my $target;
if ($env{'environment.remotenavmap'} eq 'on') {
$target=' target="loncapaclient" ';
}
if (!$params->{'resource_nolink'} && !$resource->is_sequence() && !$resource->is_empty_sequence) {	if (!$params->{'resource_nolink'} && !$resource->is_sequence() && !$resource->is_empty_sequence) {
$result .= " $curMarkerBegin<a $target href=\"$link\">$title$partLabel</a>$curMarkerEnd $nonLinkedText</td>";	$result .= "$curMarkerBegin<a href=\"$link\">$title$partLabel</a>$curMarkerEnd$nonLinkedText</td>";
} else {	} else {
$result .= " $curMarkerBegin$title$partLabel$curMarkerEnd $nonLinkedText</td>";	$result .= "$curMarkerBegin$linkopen$title$partLabel</a>$curMarkerEnd$editmapLink$nonLinkedText</td>";
}	}

return $result;	return $result;
Line 1001 sub render_communication_status {	Line 1053 sub render_communication_status {
my $discussionHTML = ""; my $feedbackHTML = ""; my $errorHTML = "";	my $discussionHTML = ""; my $feedbackHTML = ""; my $errorHTML = "";

my $link = $params->{"resourceLink"};	my $link = $params->{"resourceLink"};
my $target;	my $linkopen = "<a href=\"$link\">";
if ($env{'environment.remotenavmap'} eq 'on') {
$target=' target="loncapaclient" ';
}
my $linkopen = "<a $target href=\"$link\">";
my $linkclose = "</a>";	my $linkclose = "</a>";
my $location=&Apache::loncommon::lonhttpdurl("/adm/lonMisc");	my $location=&Apache::loncommon::lonhttpdurl("/adm/lonMisc");

if ($resource->hasDiscussion()) {	if ($resource->hasDiscussion()) {
$discussionHTML = $linkopen .	$discussionHTML = $linkopen .
'<img alt="'.&mt('New Discussion').'" border="0" src="'.$location.'/chat.gif" />' .	'<img alt="'.&mt('New Discussion').'" src="'.$location.'/chat.gif" title="'.&mt('New Discussion').'"/>' .
$linkclose;	$linkclose;
}	}

Line 1018 sub render_communication_status {	Line 1067 sub render_communication_status {
my $feedback = $resource->getFeedback();	my $feedback = $resource->getFeedback();
foreach my $msgid (split(/\,/, $feedback)) {	foreach my $msgid (split(/\,/, $feedback)) {
if ($msgid) {	if ($msgid) {
$feedbackHTML .= ' <a '.$target.' href="/adm/email?display='	$feedbackHTML .= ' <a href="/adm/email?display='
. &escape($msgid) . '">'	. &escape($msgid) . '">'
. '<img alt="'.&mt('New E-mail').'" src="'.$location.'/feedback.gif" '	. '<img alt="'.&mt('New E-mail').'" src="'.$location.'/feedback.gif" title="'.&mt('New E-mail').'"/></a>';
. 'border="0" /></a>';
}	}
}	}
}	}
Line 1033 sub render_communication_status {	Line 1081 sub render_communication_status {
last if ($errorcount>=10); # Only output 10 bombs maximum	last if ($errorcount>=10); # Only output 10 bombs maximum
if ($msgid) {	if ($msgid) {
$errorcount++;	$errorcount++;
$errorHTML .= ' <a '.$target.' href="/adm/email?display='	$errorHTML .= ' <a href="/adm/email?display='
. &escape($msgid) . '">'	. &escape($msgid) . '">'
. '<img alt="'.&mt('New Error').'" src="'.$location.'/bomb.gif" '	. '<img alt="'.&mt('New Error').'" src="'.$location.'/bomb.gif" title="'.&mt('New Error').'"/></a>';
. 'border="0" /></a>';
}	}
}	}
}	}
Line 1044 sub render_communication_status {	Line 1091 sub render_communication_status {
if ($params->{'multipart'} && $part != '0') {	if ($params->{'multipart'} && $part != '0') {
$discussionHTML = $feedbackHTML = $errorHTML = '';	$discussionHTML = $feedbackHTML = $errorHTML = '';
}	}
	return "<td class=\"LC_middle\">$discussionHTML$feedbackHTML$errorHTML </td>";
return "<td width=\"75\" align=\"left\" valign=\"middle\">$discussionHTML$feedbackHTML$errorHTML </td>";

}	}
sub render_quick_status {	sub render_quick_status {
Line 1055 sub render_quick_status {	Line 1101 sub render_quick_status {
$params->{'multipart'} && $part eq "0";	$params->{'multipart'} && $part eq "0";

my $link = $params->{"resourceLink"};	my $link = $params->{"resourceLink"};
my $target;	my $linkopen = "<a href=\"$link\">";
if ($env{'environment.remotenavmap'} eq 'on') {
$target=' target="loncapaclient" ';
}
my $linkopen = "<a $target href=\"$link\">";
my $linkclose = "</a>";	my $linkclose = "</a>";

	$result .= '<td class="LC_middle">';
if ($resource->is_problem() &&	if ($resource->is_problem() &&
!$firstDisplayed) {	!$firstDisplayed) {

my $icon = $statusIconMap{$resource->simpleStatus($part)};	my $icon = $statusIconMap{$resource->simpleStatus($part)};
my $alt = $iconAltTags{$icon};	my $alt = $iconAltTags{$icon};
if ($icon) {	if ($icon) {
my $location=	my $location=
&Apache::loncommon::lonhttpdurl("/adm/lonIcons/$icon");	&Apache::loncommon::lonhttpdurl("/adm/lonIcons/$icon");
$result .= "<td valign='middle' width='50' align='right'>$linkopen<img width='25' height='25' src='$location' border='0' alt='$alt' />$linkclose</td>\n";	$result .= $linkopen.'<img src="'.$location.'" alt="'.&mt($alt).'" title="'.&mt($alt).'" />'.$linkclose;
} else {	} else {
$result .= "<td width='30'> </td>\n";	$result .= " ";
}	}
} else { # not problem, no icon	} else { # not problem, no icon
$result .= "<td width='30'> </td>\n";	$result .= " ";
}	}
	$result .= "</td>\n";
return $result;	return $result;
}	}
sub render_long_status {	sub render_long_status {
my ($resource, $part, $params) = @_;	my ($resource, $part, $params) = @_;
my $result = "<td align='right' valign='middle'>\n";	my $result = '<td class="LC_middle LC_right">';
my $firstDisplayed = !$params->{'condensed'} &&	my $firstDisplayed = !$params->{'condensed'} &&
$params->{'multipart'} && $part eq "0";	$params->{'multipart'} && $part eq "0";

Line 1097 sub render_long_status {	Line 1139 sub render_long_status {
}	}

if ($resource->kind() eq "res" &&	if ($resource->kind() eq "res" &&
($resource->is_problem() \|\| $resource->is_practice()) &&	$resource->is_raw_problem() &&
!$firstDisplayed) {	!$firstDisplayed) {
if ($color) {$result .= "<font color=\"$color\"><b>"; }	if ($color) {$result .= "<font color=\"$color\"><b>"; }
$result .= getDescription($resource, $part);	$result .= getDescription($resource, $part);
Line 1386 sub render {	Line 1428 sub render {
my $printKey = $args->{'printKey'};	my $printKey = $args->{'printKey'};
my $printCloseAll = $args->{'printCloseAll'};	my $printCloseAll = $args->{'printCloseAll'};
if (!defined($printCloseAll)) { $printCloseAll = 1; }	if (!defined($printCloseAll)) { $printCloseAll = 1; }

# Print key?	# Print key?
if ($printKey) {	if ($printKey) {
$result .= '<table border="0" cellpadding="2" cellspacing="0">';	$result .= '<table border="0" cellpadding="2" cellspacing="0">';
Line 1394 sub render {	Line 1436 sub render {
my $location=&Apache::loncommon::lonhttpdurl("/adm/lonMisc");	my $location=&Apache::loncommon::lonhttpdurl("/adm/lonMisc");
if ($navmap->{LAST_CHECK}) {	if ($navmap->{LAST_CHECK}) {
$result .=	$result .=
'<img src="'.$location.'/chat.gif"> '.&mt('New discussion since').' '.	'<img src="'.$location.'/chat.gif" alt="" /> '.&mt('New discussion since').' '.
strftime("%A, %b %e at %I:%M %P", localtime($navmap->{LAST_CHECK})).	strftime("%A, %b %e at %I:%M %P", localtime($navmap->{LAST_CHECK})).
'</td><td align="center" valign="bottom">  '.	'</td><td align="center" valign="bottom">  '.
'<img src="'.$location.'/feedback.gif"> '.&mt('New message (click to open)').'<p>'.	'<img src="'.$location.'/feedback.gif" alt="" /> '.&mt('New message (click to open)').'<p>'.
'</td>';	'</td>';
} else {	} else {
$result .= '<td align="center" valign="bottom">  '.	$result .= '<td align="center" valign="bottom">  '.
'<img src="'.$location.'/chat.gif"> '.&mt('Discussions').'</td><td align="center" valign="bottom">'.	'<img src="'.$location.'/chat.gif" alt="" /> '.&mt('Discussions').'</td><td align="center" valign="bottom">'.
'  <img src="'.$location.'/feedback.gif"> '.&mt('New message (click to open)').	'  <img src="'.$location.'/feedback.gif" alt="" /> '.&mt('New message (click to open)').
'</td>';	'</td>';
}	}

Line 1412 sub render {	Line 1454 sub render {
if ($printCloseAll && !$args->{'resource_no_folder_link'}) {	if ($printCloseAll && !$args->{'resource_no_folder_link'}) {
my ($link,$text);	my ($link,$text);
if ($condition) {	if ($condition) {
$link='"navmaps?condition=0&filter=&'.$queryString.	$link='navmaps?condition=0&filter=&'.$queryString.
'&here='.&escape($here).'"';	'&here='.&escape($here);
$text='Close all folders';	$text='Close all folders';
} else {	} else {
$link='"navmaps?condition=1&filter=&'.$queryString.	$link='navmaps?condition=1&filter=&'.$queryString.
'&here='.&escape($here).'"';	'&here='.&escape($here);
$text='Open all folders';	$text='Open all folders';
}	}
	if ($env{'form.register'}) {
	$link .= '&register='.$env{'form.register'};
	}
if ($args->{'caller'} eq 'navmapsdisplay') {	if ($args->{'caller'} eq 'navmapsdisplay') {
&add_linkitem($args->{'linkitems'},'changefolder',	unless ($args->{'notools'}) {
'location.href='.$link,$text);	&add_linkitem($args->{'linkitems'},'changefolder',
	"location.href='$link'",$text);
	}
} else {	} else {
$result.='<a href='.$link.'>'.&mt($text).'</a>';	$result.= '<a href="'.$link.'">'.&mt($text).'</a>';
}	}
$result .= "\n";	$result .= "\n";
}	}

# Check for any unread discussions in all resources.	# Check for any unread discussions in all resources.
if ($args->{'caller'} eq 'navmapsdisplay') {	if (($args->{'caller'} eq 'navmapsdisplay') && (!$args->{'notools'})) {
&add_linkitem($args->{'linkitems'},'clearbubbles',	&add_linkitem($args->{'linkitems'},'clearbubbles',
'document.clearbubbles.submit()',	'document.clearbubbles.submit()',
'Mark all posts read');	'Mark all posts read');
my $time=time;	my $time=time;
	my $querystr = &HTML::Entities::encode($ENV{'QUERY_STRING'},'<>&"');
$result .= (<<END);	$result .= (<<END);
<form name="clearbubbles" method="post" action="/adm/feedback">	<form name="clearbubbles" method="post" action="/adm/feedback">
<input type="hidden" name="navurl" value="$ENV{'QUERY_STRING'}" />	<input type="hidden" name="navurl" value="$querystr" />
<input type="hidden" name="navtime" value="$time" />	<input type="hidden" name="navtime" value="$time" />
END	END
	if ($env{'form.register'}) {
	$result .= '<input type="hidden" name="register" value="'.$env{'form.register'}.'" />';
	}
if ($args->{'sort'} eq 'discussion') {	if ($args->{'sort'} eq 'discussion') {
my $totdisc = 0;	my $totdisc = 0;
my $haveDisc = '';	my $haveDisc = '';
Line 1460 END	Line 1511 END
}	}
$result.='</form>';	$result.='</form>';
}	}
	if (($args->{'caller'} eq 'navmapsdisplay') &&
	(&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	if ($env{'course.'.$env{'request.course.id'}.'.url'} eq
	"uploaded/$cdom/$cnum/default.sequence") {
	&add_linkitem($args->{'linkitems'},'edittoplevel',
	"javascript:gocmd('/adm/coursedocs','editdocs');",
	'Content Editor');
	}
	}

if ($args->{'caller'} eq 'navmapsdisplay') {	if ($args->{'caller'} eq 'navmapsdisplay') {
$result .= '<table><tr><td>'.	$result .= &show_linkitems_toolbar($args,$condition);
&Apache::loncommon::help_open_menu('Navigation Screen','Navigation_Screen',undef,'RAT').'</td>';
if ($env{'environment.remotenavmap'} ne 'on') {
$result .= '<td> </td>';
} else {
$result .= '</tr><tr>';
}
$result.=&show_linkitems($args->{'linkitems'});
if ($args->{'sort_html'}) {
if ($env{'environment.remotenavmap'} ne 'on') {
$result.='<td> </td><td> </td><td> </td>'.
'<td align="right">'.$args->{'sort_html'}.'</td></tr>';
} else {
$result.='</tr><tr><td align="left"><br />'.
$args->{'sort_html'}.'</td></tr>';
}
}
$result .= '</table>';
} elsif ($args->{'sort_html'}) {	} elsif ($args->{'sort_html'}) {
$result.=$args->{'sort_html'};	$result.=$args->{'sort_html'};
}	}

$result .= "<br />\n";	#$result .= "<br />\n";
if ($r) {	if ($r) {
$r->print($result);	$r->print($result);
$r->rflush();	$r->rflush();
$result = "";	$result = "";
}	}
# End parameter setting	# End parameter setting

	$result .= "<br />\n";

# Data	# Data
$result .= '<table cellspacing="0" cellpadding="3" border="0" bgcolor="#FFFFFF">' ."\n";	$result.=&Apache::loncommon::start_data_table("LC_tableOfContent");

my $res = "Apache::lonnavmaps::resource";	my $res = "Apache::lonnavmaps::resource";
my %condenseStatuses =	my %condenseStatuses =
( $res->NETWORK_FAILURE => 1,	( $res->NETWORK_FAILURE => 1,
$res->NOTHING_SET => 1,	$res->NOTHING_SET => 1,
$res->CORRECT => 1 );	$res->CORRECT => 1 );
my @backgroundColors = ("#FFFFFF", "#F6F6F6");

# Shared variables	# Shared variables
$args->{'counter'} = 0; # counts the rows	$args->{'counter'} = 0; # counts the rows
$args->{'indentLevel'} = 0;	$args->{'indentLevel'} = 0;
$args->{'isNewBranch'} = 0;	$args->{'isNewBranch'} = 0;
$args->{'condensed'} = 0;	$args->{'condensed'} = 0;
my $location=
&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace1.gif");	my $location = &Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif");
$args->{'indentString'} = setDefault($args->{'indentString'}, "<img src='$location' width='25' height='1' alt='  ' border='0' />");	$args->{'indentString'} = setDefault($args->{'indentString'}, "<img src='$location' alt='' />");
$args->{'displayedHereMarker'} = 0;	$args->{'displayedHereMarker'} = 0;

# If we're suppressing empty sequences, look for them here. Use DFS for speed,	# If we're suppressing empty sequences, look for them here. Use DFS for speed,
Line 1727 END	Line 1774 END
if (defined($anchor)) { $anchor='#'.$anchor; }	if (defined($anchor)) { $anchor='#'.$anchor; }
my $srcHasQuestion = $src =~ /\?/;	my $srcHasQuestion = $src =~ /\?/;
$args->{"resourceLink"} = $src.	$args->{"resourceLink"} = $src.
($srcHasQuestion?'&':'?') .	($srcHasQuestion?'&':'?') .
'symb=' . &escape($symb).$anchor;	'symb=' . &escape($symb).$anchor;
}	}
# Now, we've decided what parts to show. Loop through them and	# Now, we've decided what parts to show. Loop through them and
# show them.	# show them.
foreach my $part (@parts) {	foreach my $part (@parts) {
$rownum ++;	$rownum ++;
my $backgroundColor = $backgroundColors[$rownum % scalar(@backgroundColors)];

$result .= " <tr bgcolor='$backgroundColor'>\n";	$result .= &Apache::loncommon::start_data_table_row();

# Set up some data about the parts that the cols might want	# Set up some data about the parts that the cols might want
my $filter = $it->{FILTER};	my $filter = $it->{FILTER};
Line 1762 END	Line 1808 END
}	}
$result .= $colHTML . "\n";	$result .= $colHTML . "\n";
}	}
$result .= " </tr>\n";	$result .= &Apache::loncommon::end_data_table_row();
$args->{'isNewBranch'} = 0;	$args->{'isNewBranch'} = 0;
}	}

Line 1781 END	Line 1827 END
}	}
}	}
}	}

	$result.=&Apache::loncommon::end_data_table();

# Print out the part that jumps to #curloc if it exists	# Print out the part that jumps to #curloc if it exists
# delay needed because the browser is processing the jump before	# delay needed because the browser is processing the jump before
Line 1790 END	Line 1838 END
# it's quite likely this might fix other browsers, too, and	# it's quite likely this might fix other browsers, too, and
# certainly won't hurt anything.	# certainly won't hurt anything.
if ($displayedJumpMarker) {	if ($displayedJumpMarker) {
$result .= "	$result .= &Apache::lonhtmlcommon::scripttag("
<script>
if (location.href.indexOf('#curloc')==-1) {	if (location.href.indexOf('#curloc')==-1) {
setTimeout(\"location += '#curloc';\", 0)	setTimeout(\"location += '#curloc';\", 0)
}	}
</script>";	");
}	}

$result .= "</table>";

if ($r) {	if ($r) {
$r->print($result);	$r->print($result);
$result = "";	$result = "";
Line 1815 sub add_linkitem {	Line 1860 sub add_linkitem {
$$linkitems{$name}{'text'}=&mt($text);	$$linkitems{$name}{'text'}=&mt($text);
}	}

sub show_linkitems {	sub show_linkitems_toolbar {
my ($linkitems)=@_;	my ($args,$condition) = @_;
my @linkorder = ("blank","launchnav","closenav","firsthomework",	my $result;
"everything","uncompleted","changefolder","clearbubbles");	if (ref($args) eq 'HASH') {
	if (ref($args->{'linkitems'}) eq 'HASH') {
my $result .= (<<ENDBLOCK);	my $numlinks = scalar(keys(%{$args->{'linkitems'}}));
<td align="left">	if ($numlinks > 1) {
<script type="text/javascript">	$result = '<td>'.
function changeNavDisplay () {	&Apache::loncommon::help_open_menu('Navigation Screen','Navigation_Screen',
var navchoice = document.linkitems.toplink[document.linkitems.toplink.selectedIndex].value;	undef,'RAT').
ENDBLOCK	'</td>'.
foreach my $link (@linkorder) {	'<td> </td>'.
$result.= "if (navchoice == '$link') {".	'<td class="LC_middle">'.&mt('Tools:').'</td>';
$linkitems->{$link}{'cmd'}."}\n";	}
}	$result .= '<td align="left">'."\n".
$result.='}	'<ul id="LC_toolbar">';
</script>	my @linkorder = ('firsthomework','everything','uncompleted',
<form name="linkitems" method="post">	'changefolder','clearbubbles','edittoplevel');
<span class="LC_nobreak"><select name="toplink">'."\n";	foreach my $link (@linkorder) {
foreach my $link (@linkorder) {	if (ref($args->{'linkitems'}{$link}) eq 'HASH') {
if (defined($linkitems->{$link})) {	if ($args->{'linkitems'}{$link}{'text'} ne '') {
if ($linkitems->{$link}{'text'} ne '') {	$args->{'linkitems'}{$link}{'cmd'}=~s/"/'/g;
$result .= ' <option value="'.$link.'">'.	if ($args->{'linkitems'}{$link}{'cmd'}) {
$linkitems->{$link}{'text'}."</option>\n";	my $link_id = 'LC_content_toolbar_'.$link;
}	if ($link eq 'changefolder') {
}	if ($condition) {
	$link_id='LC_content_toolbar_changefolder_toggled';
	} else {
	$link_id='LC_content_toolbar_changefolder';
	}
	}
	$result .= '<li><a href="#" '.
	'onclick="'.$args->{'linkitems'}{$link}{'cmd'}.'" '.
	'id="'.$link_id.'" '.
	'class="LC_toolbarItem" '.
	'title="'.$args->{'linkitems'}{$link}{'text'}.'">'.
	'</a></li>'."\n";
	}
	}
	}
	}
	$result .= '</ul>'.
	'</td>';
	if (($numlinks==1) && (exists($args->{'linkitems'}{'edittoplevel'}))) {
	$result .= '<td><a href="'.$args->{'linkitems'}{'edittoplevel'}{'cmd'}.'">'.
	&mt('Content Editor').'</a></td>';
	}
	}
	if ($args->{'sort_html'}) {
	$result .= '<td> </td><td> </td><td> </td>'.
	'<td align="right">'.$args->{'sort_html'}.'</td>';
	}
	}
	if ($result) {
	$result = "<table><tr>$result</tr></table>";
}	}
$result .= '</select> <input type="button" name="chgnav"
value="Go" onClick="javascript:changeNavDisplay()" />
</span></form></td>'."\n";

return $result;	return $result;
}	}

Line 1935 sub new {	Line 2005 sub new {
my $proto = shift;	my $proto = shift;
my $class = ref($proto) \|\| $proto;	my $class = ref($proto) \|\| $proto;
my $self = {};	my $self = {};
	bless($self); # So we can call change_user if neceesary

	$self->{USERNAME} = shift \|\| $env{'user.name'};
	$self->{DOMAIN} = shift \|\| $env{'user.domain'};



# Resource cache stores navmap resources as we reference them. We generate	# Resource cache stores navmap resources as we reference them. We generate
# them on-demand so we don't pay for creating resources unless we use them.	# them on-demand so we don't pay for creating resources unless we use them.
Line 1944 sub new {	Line 2020 sub new {
# failed	# failed
$self->{NETWORK_FAILURE} = 0;	$self->{NETWORK_FAILURE} = 0;

# tie the nav hash	# We can only tie the nav hash as done below if the username/domain
	# match the env one. Otherwise change_user does everything we need...since we can't
	# assume there are course hashes for the specific requested user@domamin:
	#

my %navmaphash;	if (($self->{USERNAME} eq $env{'user.name'}) && ($self->{DOMAIN} eq $env{'user.domain'})) {
my %parmhash;
my $courseFn = $env{"request.course.fn"};	# tie the nav hash
if (!(tie(%navmaphash, 'GDBM_File', "${courseFn}.db",
&GDBM_READER(), 0640))) {	my %navmaphash;
return undef;	my %parmhash;
	my $courseFn = $env{"request.course.fn"};
	if (!(tie(%navmaphash, 'GDBM_File', "${courseFn}.db",
	&GDBM_READER(), 0640))) {
	return undef;
	}

	if (!(tie(%parmhash, 'GDBM_File', "${courseFn}_parms.db",
	&GDBM_READER(), 0640)))
	{
	untie %{$self->{PARM_HASH}};
	return undef;
	}

	$self->{NAV_HASH} = \%navmaphash;
	$self->{PARM_HASH} = \%parmhash;
	$self->{PARM_CACHE} = {};
	} else {
	$self->change_user($self->{USERNAME}, $self->{DOMAIN});
}	}

	return $self;
	}

	#
	# In some instances it is useful to be able to dynamically change the
	# username/domain associated with a navmap (e.g. to navigate for someone
	# else besides the current user...if sufficiently privileged.
	# Parameters:
	# user - New user.
	# domain- Domain the user belongs to.
	# Implicit inputs:
	#
	sub change_user {
	my $self = shift;
	$self->{USERNAME} = shift;
	$self->{DOMAIN} = shift;

	# If the hashes are already tied make sure to break that bond:

	untie %{$self->{NAV_HASH}};
	untie %{$self->{PARM_HASH}};

	# The assumption is that we have to
	# use lonmap here to re-read the hash and from it reconstruct
	# new big and parameter hashes. An implicit assumption at this time
	# is that the course file is probably not created locally yet
	# an that we will therefore just read without tying.

	my ($cdom, $cnum) = split(/\_/, $env{'request.course.id'});

	my %big_hash;
	&Apache::lonmap::loadmap($cnum, $cdom, $self->{USERNAME}, $self->{DOMAIN}, \%big_hash);
	$self->{NAV_HASH} = \%big_hash;



	# Now clear the parm cache and reconstruct the parm hash fromt he big_hash
	# param.xxxx keys.

	$self->{PARM_CACHE} = {};

if (!(tie(%parmhash, 'GDBM_File', "${courseFn}_parms.db",	my %parm_hash = {};
&GDBM_READER(), 0640)))	foreach my $key (keys %big_hash) {
{	if ($key =~ /^param\./) {
untie %{$self->{PARM_HASH}};	my $param_key = $key;
return undef;	$param_key =~ s/^param\.//;
	$parm_hash{$param_key} = $big_hash{$key};
	}
}	}

$self->{NAV_HASH} = \%navmaphash;	$self->{PARM_HASH} = \%parm_hash;
$self->{PARM_HASH} = \%parmhash;
$self->{PARM_CACHE} = {};

bless($self);

return $self;	}
}

sub generate_course_user_opt {	sub generate_course_user_opt {
my $self = shift;	my $self = shift;
if ($self->{COURSE_USER_OPT_GENERATED}) { return; }	if ($self->{COURSE_USER_OPT_GENERATED}) { return; }

my $uname=$env{'user.name'};	my $uname=$self->{USERNAME};
my $udom=$env{'user.domain'};	my $udom=$self->{DOMAIN};

my $cid=$env{'request.course.id'};	my $cid=$env{'request.course.id'};
my $cdom=$env{'course.'.$cid.'.domain'};	my $cdom=$env{'course.'.$cid.'.domain'};
my $cnum=$env{'course.'.$cid.'.num'};	my $cnum=$env{'course.'.$cid.'.num'};
Line 2009 sub generate_course_user_opt {	Line 2147 sub generate_course_user_opt {
return;	return;
}	}



sub generate_email_discuss_status {	sub generate_email_discuss_status {
my $self = shift;	my $self = shift;
my $symb = shift;	my $symb = shift;
Line 2018 sub generate_email_discuss_status {	Line 2158 sub generate_email_discuss_status {
my $cdom=$env{'course.'.$cid.'.domain'};	my $cdom=$env{'course.'.$cid.'.domain'};
my $cnum=$env{'course.'.$cid.'.num'};	my $cnum=$env{'course.'.$cid.'.num'};

my %emailstatus = &Apache::lonnet::dump('email_status');	my %emailstatus = &Apache::lonnet::dump('email_status',$self->{DOMAIN},$self->{USERNAME});
my $logoutTime = $emailstatus{'logout'};	my $logoutTime = $emailstatus{'logout'};
my $courseLeaveTime = $emailstatus{'logout_'.$env{'request.course.id'}};	my $courseLeaveTime = $emailstatus{'logout_'.$env{'request.course.id'}};
$self->{LAST_CHECK} = (($courseLeaveTime > $logoutTime) ?	$self->{LAST_CHECK} = (($courseLeaveTime > $logoutTime) ?
Line 2026 sub generate_email_discuss_status {	Line 2166 sub generate_email_discuss_status {
my %discussiontime = &Apache::lonnet::dump('discussiontimes',	my %discussiontime = &Apache::lonnet::dump('discussiontimes',
$cdom, $cnum);	$cdom, $cnum);
my %lastread = &Apache::lonnet::dump('nohist_'.$cid.'_discuss',	my %lastread = &Apache::lonnet::dump('nohist_'.$cid.'_discuss',
$env{'user.domain'},$env{'user.name'},'lastread');	$self->{DOMAIN},$self->{USERNAME},'lastread');
my %lastreadtime = ();	my %lastreadtime = ();
foreach my $key (keys %lastread) {	foreach my $key (keys %lastread) {
my $shortkey = $key;	my $shortkey = $key;
Line 2036 sub generate_email_discuss_status {	Line 2176 sub generate_email_discuss_status {

my %feedback=();	my %feedback=();
my %error=();	my %error=();
my @keys = &Apache::lonnet::getkeys('nohist_email',$env{'user.domain'},	my @keys = &Apache::lonnet::getkeys('nohist_email',$self->{DOMAIN},
$env{'user.name'});	$self->{USERNAME});

foreach my $msgid (@keys) {	foreach my $msgid (@keys) {
if ((!$emailstatus{$msgid}) \|\| ($emailstatus{$msgid} eq 'new')) {	if ((!$emailstatus{$msgid}) \|\| ($emailstatus{$msgid} eq 'new')) {
Line 2085 sub get_user_data {	Line 2225 sub get_user_data {

# Retrieve performance data on problems	# Retrieve performance data on problems
my %student_data = Apache::lonnet::currentdump($env{'request.course.id'},	my %student_data = Apache::lonnet::currentdump($env{'request.course.id'},
$env{'user.domain'},	$self->{DOMAIN},
$env{'user.name'});	$self->{USERNAME});
$self->{STUDENT_DATA} = \%student_data;	$self->{STUDENT_DATA} = \%student_data;

$self->{RETRIEVED_USER_DATA} = 1;	$self->{RETRIEVED_USER_DATA} = 1;
Line 2315 resource object.	Line 2455 resource object.
Based on the symb of the resource, get a resource object for that	Based on the symb of the resource, get a resource object for that
resource. This is one of the proper ways to get a resource object.	resource. This is one of the proper ways to get a resource object.

=item * B<getMapByMapPc>(map_pc):	=item * B<getByMapPc>(map_pc):

Based on the map_pc of the resource, get a resource object for	Based on the map_pc of the resource, get a resource object for
the given map. This is one of the proper ways to get a resource object.	the given map. This is one of the proper ways to get a resource object.
Line 2400 sub parmval {	Line 2540 sub parmval {
my $self = shift;	my $self = shift;
my ($what,$symb,$recurse)=@_;	my ($what,$symb,$recurse)=@_;
my $hashkey = $what."\|\|\|".$symb;	my $hashkey = $what."\|\|\|".$symb;
	my $cache = $self->{PARM_CACHE};
if (defined($self->{PARM_CACHE}->{$hashkey})) {	if (defined($self->{PARM_CACHE}->{$hashkey})) {
if (ref($self->{PARM_CACHE}->{$hashkey}) eq 'ARRAY') {	if (ref($self->{PARM_CACHE}->{$hashkey}) eq 'ARRAY') {
if (defined($self->{PARM_CACHE}->{$hashkey}->[0])) {	if (defined($self->{PARM_CACHE}->{$hashkey}->[0])) {
Line 2422 sub parmval {	Line 2562 sub parmval {
return $result->[0];	return $result->[0];
}	}


sub parmval_real {	sub parmval_real {
my $self = shift;	my $self = shift;
my ($what,$symb,$recurse) = @_;	my ($what,$symb,$recurse) = @_;


# Make sure the {USER_OPT} and {COURSE_OPT} hashes are populated	# Make sure the {USER_OPT} and {COURSE_OPT} hashes are populated
$self->generate_course_user_opt();	$self->generate_course_user_opt();

Line 2437 sub parmval_real {	Line 2579 sub parmval_real {
@cgrps = sort(@cgrps);	@cgrps = sort(@cgrps);
$cgroup = $cgrps[0];	$cgroup = $cgrps[0];
}	}
my $uname=$env{'user.name'};	my $uname=$self->{USERNAME};
my $udom=$env{'user.domain'};	my $udom=$self->{DOMAIN};

unless ($symb) { return ['']; }	unless ($symb) { return ['']; }
my $result='';	my $result='';
Line 2454 sub parmval_real {	Line 2596 sub parmval_real {
my $mapparm=$mapname.'___(all).'.$what;	my $mapparm=$mapname.'___(all).'.$what;
my $usercourseprefix=$cid;	my $usercourseprefix=$cid;



my $grplevel=$usercourseprefix.'.['.$cgroup.'].'.$what;	my $grplevel=$usercourseprefix.'.['.$cgroup.'].'.$what;
my $grplevelr=$usercourseprefix.'.['.$cgroup.'].'.$symbparm;	my $grplevelr=$usercourseprefix.'.['.$cgroup.'].'.$symbparm;
my $grplevelm=$usercourseprefix.'.['.$cgroup.'].'.$mapparm;	my $grplevelm=$usercourseprefix.'.['.$cgroup.'].'.$mapparm;


my $seclevel= $usercourseprefix.'.['.$csec.'].'.$what;	my $seclevel= $usercourseprefix.'.['.$csec.'].'.$what;
my $seclevelr=$usercourseprefix.'.['.$csec.'].'.$symbparm;	my $seclevelr=$usercourseprefix.'.['.$csec.'].'.$symbparm;
my $seclevelm=$usercourseprefix.'.['.$csec.'].'.$mapparm;	my $seclevelm=$usercourseprefix.'.['.$csec.'].'.$mapparm;


my $courselevel= $usercourseprefix.'.'.$what;	my $courselevel= $usercourseprefix.'.'.$what;
my $courselevelr=$usercourseprefix.'.'.$symbparm;	my $courselevelr=$usercourseprefix.'.'.$symbparm;
my $courselevelm=$usercourseprefix.'.'.$mapparm;	my $courselevelm=$usercourseprefix.'.'.$mapparm;


my $useropt = $self->{USER_OPT};	my $useropt = $self->{USER_OPT};
my $courseopt = $self->{COURSE_OPT};	my $courseopt = $self->{COURSE_OPT};
my $parmhash = $self->{PARM_HASH};	my $parmhash = $self->{PARM_HASH};
Line 2532 sub parmval_real {	Line 2679 sub parmval_real {
if (defined($pack_def)) { return [$pack_def,'resource']; }	if (defined($pack_def)) { return [$pack_def,'resource']; }
return [''];	return [''];
}	}
	#
	# Determines the open/close dates for printing a map that
	# encloses a resource.
	#
	sub map_printdates {
	my ($self, $res, $part) = @_;





	my $opendate = $self->get_mapparam($res->symb(), "$part.printstartdate");
	my $closedate= $self->get_mapparam($res->symb(), "$part.printenddate");


	return ($opendate, $closedate);
	}

	sub get_mapparam {
	my ($self, $symb, $what) = @_;

	# Ensure the course option hash is populated:

	$self->generate_course_user_opt();

	# Get the course id and section if there is one.

	my $cid=$env{'request.course.id'};
	my $csec=$env{'request.course.sec'};
	my $cgroup='';
	my @cgrps=split(/:/,$env{'request.course.groups'});
	if (@cgrps > 0) {
	@cgrps = sort(@cgrps);
	$cgroup = $cgrps[0];
	}
	my $uname=$self->{USERNAME};
	my $udom=$self->{DOMAIN};

	unless ($symb) { return ['']; }
	my $result='';


	# Figure out which map we are in.

	my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);
	$mapname = &Apache::lonnet::deversion($mapname);


	my $rwhat=$what;
	$what=~s/^parameter\_//;
	$what=~s/\_/\./;

	# Build the hash keys for the lookup:

	my $symbparm=$symb.'.'.$what;
	my $mapparm=$mapname.'___(all).'.$what;
	my $usercourseprefix=$cid;


	my $grplevel = "$usercourseprefix.[$cgroup].$mapparm";
	my $seclevel = "$usercourseprefix.[$csec].$mapparm";
	my $courselevel = "$usercourseprefix.$mapparm";


	# Get handy references to the hashes we need in $self:

	my $useropt = $self->{USER_OPT};
	my $courseopt = $self->{COURSE_OPT};
	my $parmhash = $self->{PARM_HASH};

	# Check per user



	if ($uname and defined($useropt)) {
	if (defined($$useropt{$courselevel})) {
	return $$useropt{$courselevel};
	}
	}

	# Check course -- group



	if ($cgroup ne '' and defined ($courseopt)) {
	if (defined($$courseopt{$grplevel})) {
	return $$courseopt{$grplevel};
	}
	}

	# Check course -- section





	if ($csec and defined($courseopt)) {
	if (defined($$courseopt{$seclevel})) {
	return $$courseopt{$seclevel};
	}
	}
	# Check the map parameters themselves:

	my $thisparm = $$parmhash{$symbparm};
	if (defined($thisparm)) {
	return $thisparm;
	}


	# Additional course parameters:

	if (defined($courseopt)) {
	if (defined($$courseopt{$courselevel})) {
	return $$courseopt{$courselevel};
	}
	}
	return undef; # Unefined if we got here.
	}

	sub course_printdates {
	my ($self, $symb, $part) = @_;


	my $opendate = $self->getcourseparam($symb, $part . '.printstartdate');
	my $closedate = $self->getcourseparam($symb, $part . '.printenddate');
	return ($opendate, $closedate);

	}

	sub getcourseparam {
	my ($self, $symb, $what) = @_;

	$self->generate_course_user_opt(); # If necessary populate the hashes.

	my $uname = $self->{USERNAME};
	my $udom = $self->{DOMAIN};

	# Course, section, group ids come from the env:

	my $cid = $env{'request.course.id'};
	my $csec = $env{'request.course.sec'};
	my $cgroup = ''; # Assume no group

	my @cgroups = split(/:/, $env{'request.course.groups'});
	if(@cgroups > 0) {
	@cgroups = sort(@cgroups);
	$cgroup = $cgroups[0]; # There is a course group.
	}
	my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);
	$mapname = &Apache::lonnet::deversion($mapname);

	#
	# Make the various lookup keys:
	#

	$what=~s/^parameter\_//;
	$what=~s/\_/\./;


	my $symbparm = $symb . '.' . $what;
	my $mapparm=$mapname.'___(all).'.$what;

	# Local refs to the hashes we're going to look at:

	my $useropt = $self->{USER_OPT};
	my $courseopt = $self->{COURSE_OPT};

	#
	# We want the course level stuff from the way
	# parmval_real operates
	# TODO: Fator some of this stuff out of
	# both parmval_real and here
	#
	my $courselevel = $cid . '.' . $what;
	my $grplevel = $cid . '.[' . $cgroup . ']' . $what;
	my $seclevel = $cid . '.[' . $csec . ']' . $what;


	# Try for the user's course level option:

	if ($uname and defined($useropt)) {
	if (defined($$useropt{$courselevel})) {
	return $$useropt{$courselevel};
	}
	}
	# Try for the group's course level option:

	if ($uname ne '' and defined($courseopt)) {
	if (defined($$courseopt{$grplevel})) {
	return $$courseopt{$grplevel};
	}
	}

	# Try for section level parameters:

	if ($csec and defined($courseopt)) {
	if (defined($$courseopt{$seclevel})) {
	return $$courseopt{$seclevel};
	}
	}
	# Try for 'additional' course parameterse:

	if (defined($courseopt)) {
	if (defined($$courseopt{$courselevel})) {
	return $$courseopt{$courselevel};
	}
	}
	return undef;

	}


=pod	=pod

Line 2585 in the filter function.	Line 2943 in the filter function.
Retrieves version infomation for a url. Returns the version (a number, or	Retrieves version infomation for a url. Returns the version (a number, or
the string "mostrecent") for resources which have version information in	the string "mostrecent") for resources which have version information in
the big hash.	the big hash.

=cut	=cut


Line 2840 sub new {	Line 3198 sub new {
weaken($self->{NAV_MAP} = shift);	weaken($self->{NAV_MAP} = shift);
return undef unless ($self->{NAV_MAP});	return undef unless ($self->{NAV_MAP});

	$self->{USERNAME} = $self->{NAV_MAP}->{USERNAME};
	$self->{DOMAIN} = $self->{NAV_MAP}->{DOMAIN};

# Handle the parameters	# Handle the parameters
$self->{FIRST_RESOURCE} = shift \|\| $self->{NAV_MAP}->firstResource();	$self->{FIRST_RESOURCE} = shift \|\| $self->{NAV_MAP}->firstResource();
$self->{FINISH_RESOURCE} = shift \|\| $self->{NAV_MAP}->finishResource();	$self->{FINISH_RESOURCE} = shift \|\| $self->{NAV_MAP}->finishResource();
Line 2953 sub new {	Line 3314 sub new {
if ($resourceCount == 1 && $resource->is_sequence() && !$self->{FORCE_TOP}) {	if ($resourceCount == 1 && $resource->is_sequence() && !$self->{FORCE_TOP}) {
my $firstResource = $resource->map_start();	my $firstResource = $resource->map_start();
my $finishResource = $resource->map_finish();	my $finishResource = $resource->map_finish();
return	my $result;
Apache::lonnavmaps::iterator->new($self->{NAV_MAP}, $firstResource,	$result = Apache::lonnavmaps::iterator->new($self->{NAV_MAP}, $firstResource,
$finishResource, $self->{FILTER},	$finishResource, $self->{FILTER},
$self->{ALREADY_SEEN},	$self->{ALREADY_SEEN},
$self->{CONDITION},	$self->{CONDITION},
$self->{FORCE_TOP});	$self->{FORCE_TOP});
	return $result;


}	}

Line 2978 sub new {	Line 3341 sub new {
$self->{ALREADY_SEEN}->{$self->{FIRST_RESOURCE}->{ID}} = 1;	$self->{ALREADY_SEEN}->{$self->{FIRST_RESOURCE}->{ID}} = 1;

bless ($self);	bless ($self);

return $self;	return $self;
}	}

Line 2993 sub next {	Line 3355 sub next {
# do so.	# do so.
if ($self->{RETURN_0} && !$self->{HAVE_RETURNED_0}) {	if ($self->{RETURN_0} && !$self->{HAVE_RETURNED_0}) {
$self->{HAVE_RETURNED_0} = 1;	$self->{HAVE_RETURNED_0} = 1;
	my $nextTopLevel = $self->{NAV_MAP}->getById('0.0');
return $self->{NAV_MAP}->getById('0.0');	return $self->{NAV_MAP}->getById('0.0');
}	}
if ($self->{RETURN_0} && !$self->{HAVE_RETURNED_0_BEGIN_MAP}) {	if ($self->{RETURN_0} && !$self->{HAVE_RETURNED_0_BEGIN_MAP}) {
Line 3012 sub next {	Line 3375 sub next {
if ($self->{RECURSIVE_DEPTH} == 0) {	if ($self->{RECURSIVE_DEPTH} == 0) {
$self->{RECURSIVE_ITERATOR_FLAG} = 0;	$self->{RECURSIVE_ITERATOR_FLAG} = 0;
}	}

return $next;	return $next;
}	}

Line 3088 sub next {	Line 3450 sub next {
# So we need to look at all the resources we can get to from here,	# So we need to look at all the resources we can get to from here,
# categorize them if we haven't seen them, remember if we have a new	# categorize them if we haven't seen them, remember if we have a new
my $nextUnfiltered = $here->getNext();	my $nextUnfiltered = $here->getNext();


my $maxDepthAdded = -1;	my $maxDepthAdded = -1;

for (@$nextUnfiltered) {	for (@$nextUnfiltered) {
Line 3121 sub next {	Line 3485 sub next {
$self->{RECURSIVE_ITERATOR_FLAG} = 1;	$self->{RECURSIVE_ITERATOR_FLAG} = 1;
my $firstResource = $self->{HERE}->map_start();	my $firstResource = $self->{HERE}->map_start();
my $finishResource = $self->{HERE}->map_finish();	my $finishResource = $self->{HERE}->map_finish();

$self->{RECURSIVE_ITERATOR} =	$self->{RECURSIVE_ITERATOR} =
Apache::lonnavmaps::iterator->new($self->{NAV_MAP}, $firstResource,	Apache::lonnavmaps::iterator->new($self->{NAV_MAP}, $firstResource,
$finishResource, $self->{FILTER},	$finishResource, $self->{FILTER},
Line 3213 sub new {	Line 3576 sub new {
weaken($self->{NAV_MAP} = shift);	weaken($self->{NAV_MAP} = shift);
return undef unless ($self->{NAV_MAP});	return undef unless ($self->{NAV_MAP});

	$self->{USERNAME} = $self->{NAV_MAP}->{USERNAME};
	$self->{DOMAIN} = $self->{NAV_MAP}->{DOMAIN};

$self->{FIRST_RESOURCE} = shift \|\| $self->{NAV_MAP}->firstResource();	$self->{FIRST_RESOURCE} = shift \|\| $self->{NAV_MAP}->firstResource();
$self->{FINISH_RESOURCE} = shift \|\| $self->{NAV_MAP}->finishResource();	$self->{FINISH_RESOURCE} = shift \|\| $self->{NAV_MAP}->finishResource();

Line 3449 sub new {	Line 3815 sub new {
weaken($self->{NAV_MAP} = shift);	weaken($self->{NAV_MAP} = shift);
$self->{ID} = shift;	$self->{ID} = shift;

	$self->{USERNAME} = $self->{NAV_MAP}->{USERNAME};
	$self->{DOMAIN} = $self->{NAV_MAP}->{DOMAIN};

# Store this new resource in the parent nav map's cache.	# Store this new resource in the parent nav map's cache.
$self->{NAV_MAP}->{RESOURCE_CACHE}->{$self->{ID}} = $self;	$self->{NAV_MAP}->{RESOURCE_CACHE}->{$self->{ID}} = $self;
$self->{RESOURCE_ERROR} = 0;	$self->{RESOURCE_ERROR} = 0;

	$self->{DUEDATE_CACHE} = undef;

# A hash that can be used by two-pass algorithms to store data	# A hash that can be used by two-pass algorithms to store data
# about this resource in. Not used by the resource object	# about this resource in. Not used by the resource object
# directly.	# directly.
Line 3470 sub navHash {	Line 3841 sub navHash {
my $self = shift;	my $self = shift;
my $param = shift;	my $param = shift;
my $id = shift;	my $id = shift;
return $self->{NAV_MAP}->navhash($param . ($id?$self->{ID}:""));	my $arg = $param . ($id?$self->{ID}:"");
	if (ref($self) && ref($self->{NAV_MAP}) && defined($arg)) {
	return $self->{NAV_MAP}->navhash($arg);
	}
	return;
}	}

=pod	=pod
Line 3708 sub is_practice {	Line 4083 sub is_practice {
sub is_problem {	sub is_problem {
my $self=shift;	my $self=shift;
my $src = $self->src();	my $src = $self->src();
if ($src =~ /\.(problem\|exam\|quiz\|assess\|survey\|form\|library\|task)$/) {	if ($src =~ /$LONCAPA::assess_re/) {
return !($self->is_practice());	return !($self->is_practice());
}	}
return 0;	return 0;
}	}
	#
	# The has below is the set of status that are considered 'incomplete'
	#
	my %incomplete_hash =
	(
	TRIES_LEFT() => 1,
	OPEN() => 1,
	ATTEMPTED() => 1

	);
	#
	# Return tru if a problem is incomplete... for now incomplete means that
	# any part of the problem is incomplete.
	# Note that if the resources is not a problem, 0 is returned.
	#
	sub is_incomplete {
	my $self = shift;
	if ($self->is_problem()) {
	foreach my $part (@{$self->parts()}) {
	if (exists($incomplete_hash{$self->status($part)})) {
	return 1;
	}
	}
	}
	return 0;

	}
sub is_raw_problem {	sub is_raw_problem {
my $self=shift;	my $self=shift;
my $src = $self->src();	my $src = $self->src();
if ($src =~ /\.(problem\|exam\|quiz\|assess\|survey\|form\|library\|task)$/) {	if ($src =~ /$LONCAPA::assess_re/) {
return 1;	return 1;
}	}
return 0;	return 0;
Line 3742 sub map_contains_problem {	Line 4144 sub map_contains_problem {
sub is_sequence {	sub is_sequence {
my $self=shift;	my $self=shift;
return $self->navHash("is_map_", 1) &&	return $self->navHash("is_map_", 1) &&
$self->navHash("map_type_" . $self->map_pc()) eq 'sequence';	$self->navHash("map_type_" . $self->map_pc()) eq 'sequence';
}	}
sub is_survey {	sub is_survey {
my $self = shift();	my $self = shift();
my $part = shift();	my $part = shift();
my $type = $self->parmval('type',$part);	my $type = $self->parmval('type',$part);
if ($type eq 'survey') {	if (($type eq 'survey') \|\| ($type eq 'surveycred')) {
return 1;	return 1;
}	}
if ($self->src() =~ /\.(survey)$/) {	if ($self->src() =~ /\.(survey)$/) {
Line 3756 sub is_survey {	Line 4158 sub is_survey {
}	}
return 0;	return 0;
}	}
	sub is_anonsurvey {
	my $self = shift();
	my $part = shift();
	my $type = $self->parmval('type',$part);
	if (($type eq 'anonsurvey') \|\| ($type eq 'anonsurveycred')) {
	return 1;
	}
	return 0;
	}
sub is_task {	sub is_task {
my $self=shift;	my $self=shift;
my $src = $self->src();	my $src = $self->src();
Line 3809 resource of the map.	Line 4220 resource of the map.

Returns a string with the type of the map in it.	Returns a string with the type of the map in it.

	=item *B<map_hierarchy>:

	Returns a string with a comma-separated ordered list of map_pc IDs
	for the hierarchy of maps containing a map, with the top level
	map first, then descending to deeper levels, with the enclosing map last.

=back	=back

=cut	=cut
Line 3839 sub map_type {	Line 4256 sub map_type {
my $pc = $self->map_pc();	my $pc = $self->map_pc();
return $self->navHash("map_type_$pc", 0);	return $self->navHash("map_type_$pc", 0);
}	}
	sub map_hierarchy {
	my $self = shift;
	my $pc = $self->map_pc();
	return $self->navHash("map_hierarchy_$pc", 0);
	}

#####	#####
# Property queries	# Property queries
Line 3869 their code.)	Line 4291 their code.)

=over 4	=over 4

=item * B<acc>:
	=item * B<printable>

	returns true if the current date is such that the
	specified resource part is printable.


	=item * B<resprintable>

	Returns true if all parts in the resource are printable making the
	entire resource printable.

	=item * B<acc>

Get the Client IP/Name Access Control information.	Get the Client IP/Name Access Control information.

Line 3922 Get the weight for the problem.	Line 4356 Get the weight for the problem.

=cut	=cut




	sub printable {

	my ($self, $part) = @_;

	# Get the print open/close dates for the resource.

	my $start = $self->parmval("printstartdate", $part);
	my $end = $self->parmval("printenddate", $part);

	# The following cases apply:
	# - No dates set: Printable.
	# - Start date set but no end date: Printable if now >= start date.
	# - End date set but no start date: Printable if now <= end date.
	# - both defined: printable if start <= now <= end
	#
	my $now = time();

	my $startok = 1;
	my $endok = 1;

	if ((defined $start) && ($start ne '')) {
	$startok = $start <= $now;
	}
	if ((defined $end) && ($end != '')) {
	$endok = $end >= $now;
	}
	return $startok && $endok;
	}

	sub resprintable {
	my $self = shift;

	# get parts...or realize there are no parts.

	my $partsref = $self->parts();
	my @parts = @$partsref;

	if ((!defined(@parts)) \|\| (scalar(@parts) == 0)) {
	return $self->printable(0);
	} else {
	foreach my $part (@parts) {
	if (!$self->printable($part)) {
	return 0;
	}
	}
	return 1;
	}
	}

sub acc {	sub acc {
(my $self, my $part) = @_;	(my $self, my $part) = @_;
my $acc = $self->parmval("acc", $part);	my $acc = $self->parmval("acc", $part);
Line 3944 sub awarded {	Line 4430 sub awarded {
if (!defined($part)) { $part = '0'; }	if (!defined($part)) { $part = '0'; }
return $self->{NAV_MAP}->{STUDENT_DATA}->{$self->symb()}->{'resource.'.$part.'.awarded'};	return $self->{NAV_MAP}->{STUDENT_DATA}->{$self->symb()}->{'resource.'.$part.'.awarded'};
}	}
	sub taskversion {
	my $self = shift; my $part = shift;
	$self->{NAV_MAP}->get_user_data();
	if (!defined($part)) { $part = '0'; }
	return $self->{NAV_MAP}->{STUDENT_DATA}->{$self->symb()}->{'resource.'.$part.'.version'};
	}
	sub taskstatus {
	my $self = shift; my $part = shift;
	$self->{NAV_MAP}->get_user_data();
	if (!defined($part)) { $part = '0'; }
	return $self->{NAV_MAP}->{STUDENT_DATA}->{$self->symb()}->{'resource.'.$self->taskversion($part).'.'.$part.'.status'};
	}
	sub solved {
	my $self = shift; my $part = shift;
	$self->{NAV_MAP}->get_user_data();
	if (!defined($part)) { $part = '0'; }
	return $self->{NAV_MAP}->{STUDENT_DATA}->{$self->symb()}->{'resource.'.$part.'.solved'};
	}
	sub checkedin {
	my $self = shift; my $part = shift;
	$self->{NAV_MAP}->get_user_data();
	if (!defined($part)) { $part = '0'; }
	if ($self->is_task()) {
	my $version = $self->taskversion($part);
	return ($self->{NAV_MAP}->{STUDENT_DATA}->{$self->symb()}->{'resource.'.$version .'.'.$part.'.checkedin'},$self->{NAV_MAP}->{STUDENT_DATA}->{$self->symb()}->{'resource.'.$version .'.'.$part.'.checkedin.slot'});
	} else {
	return ($self->{NAV_MAP}->{STUDENT_DATA}->{$self->symb()}->{'resource.'.$part.'.checkedin'},$self->{NAV_MAP}->{STUDENT_DATA}->{$self->symb()}->{'resource.'.$part.'.checkedin.slot'});
	}
	}
# this should work exactly like the copy in lonhomework.pm	# this should work exactly like the copy in lonhomework.pm
	# Why is there a copy in lonhomework? Why not centralized?
	#
	# TODO: Centralize duedate.
	#

sub duedate {	sub duedate {
(my $self, my $part) = @_;	(my $self, my $part) = @_;
	if (defined ($self->{DUEDATE_CACHE}->{$part})) {
	return $self->{DUEDATE_CACHE}->{$part};
	}
my $date;	my $date;
my @interval=$self->parmval("interval", $part);	my @interval=$self->parmval("interval", $part);
my $due_date=$self->parmval("duedate", $part);	my $due_date=$self->parmval("duedate", $part);
Line 3963 sub duedate {	Line 4486 sub duedate {
} else {	} else {
$date = $due_date;	$date = $due_date;
}	}
	$self->{DUEDATE_CACHE}->{$part} = $date;
return $date;	return $date;
}	}
sub handgrade {	sub handgrade {
Line 4024 sub weight {	Line 4548 sub weight {
my $self = shift; my $part = shift;	my $self = shift; my $part = shift;
if (!defined($part)) { $part = '0'; }	if (!defined($part)) { $part = '0'; }
my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',	my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
$self->symb(), $env{'user.domain'},	$self->symb(), $self->{DOMAIN},
$env{'user.name'},	$self->{USERNAME},
$env{'request.course.sec'});	$env{'request.course.sec'});
return $weight;	return $weight;
}	}
Line 4039 sub part_display {	Line 4563 sub part_display {
}	}
return $display;	return $display;
}	}
	sub slot_control {
	my $self=shift(); my $part = shift();
	if (!defined($part)) { $part = '0'; }
	my $useslots = $self->parmval("useslots", $part);
	my $availablestudent = $self->parmval("availablestudent", $part);
	my $available = $self->parmval("available", $part);
	return ($useslots,$availablestudent,$available);
	}

# Multiple things need this	# Multiple things need this
sub getReturnHash {	sub getReturnHash {
my $self = shift;	my $self = shift;

if (!defined($self->{RETURN_HASH})) {	if (!defined($self->{RETURN_HASH})) {
my %tmpHash = &Apache::lonnet::restore($self->symb());	my %tmpHash = &Apache::lonnet::restore($self->symb(),undef,$self->{DOMAIN},$self->{USERNAME});
$self->{RETURN_HASH} = \%tmpHash;	$self->{RETURN_HASH} = \%tmpHash;
}	}
}	}
Line 4471 sub OPEN { return 1; }	Line 5003 sub OPEN { return 1; }
sub PAST_DUE_NO_ANSWER { return 2; }	sub PAST_DUE_NO_ANSWER { return 2; }
sub PAST_DUE_ANSWER_LATER { return 3; }	sub PAST_DUE_ANSWER_LATER { return 3; }
sub ANSWER_OPEN { return 4; }	sub ANSWER_OPEN { return 4; }
sub NOTHING_SET { return 5; }	sub NOTHING_SET { return 5; }
sub NETWORK_FAILURE { return 100; }	sub NETWORK_FAILURE { return 100; }

# getDateStatus gets the date status for a given problem part.	# getDateStatus gets the date status for a given problem part.
Line 4557 Information not available due to network	Line 5089 Information not available due to network

Attempted, and not yet graded.	Attempted, and not yet graded.

	=item * B<CREDIT_ATTEMPTED>:

	Attempted, and credit received for attempt (survey and anonymous survey only).

=back	=back

=cut	=cut
Line 4568 sub CORRECT { return 13; }	Line 5104 sub CORRECT { return 13; }
sub CORRECT_BY_OVERRIDE { return 14; }	sub CORRECT_BY_OVERRIDE { return 14; }
sub EXCUSED { return 15; }	sub EXCUSED { return 15; }
sub ATTEMPTED { return 16; }	sub ATTEMPTED { return 16; }
	sub CREDIT_ATTEMPTED { return 17; }

sub getCompletionStatus {	sub getCompletionStatus {
my $self = shift;	my $self = shift;
Line 4586 sub getCompletionStatus {	Line 5123 sub getCompletionStatus {
if ($status eq 'incorrect_by_override') {return $self->INCORRECT_BY_OVERRIDE; }	if ($status eq 'incorrect_by_override') {return $self->INCORRECT_BY_OVERRIDE; }
if ($status eq 'excused') {return $self->EXCUSED; }	if ($status eq 'excused') {return $self->EXCUSED; }
if ($status eq 'ungraded_attempted') {return $self->ATTEMPTED; }	if ($status eq 'ungraded_attempted') {return $self->ATTEMPTED; }
	if ($status eq 'credit_attempted') {
	if ($self->is_anonsurvey($part) \|\| $self->is_survey($part)) {
	return $self->CREDIT_ATTEMPTED;
	} else {
	return $self->ATTEMPTED;
	}
	}
return $self->NOT_ATTEMPTED;	return $self->NOT_ATTEMPTED;
}	}

Line 4675 The item is open and not yet tried.	Line 5219 The item is open and not yet tried.

The problem has been attempted.	The problem has been attempted.

	=item * B<CREDIT_ATTEMPTED>:

	The problem has been attempted, and credit given for the attempt (survey and anonymous survey only).

=item * B<ANSWER_SUBMITTED>:	=item * B<ANSWER_SUBMITTED>:

An answer has been submitted, but the student should not see it.	An answer has been submitted, but the student should not see it.
Line 4683 An answer has been submitted, but the st	Line 5231 An answer has been submitted, but the st

=cut	=cut

sub TRIES_LEFT { return 20; }	sub TRIES_LEFT { return 20; }
sub ANSWER_SUBMITTED { return 21; }	sub ANSWER_SUBMITTED { return 21; }
sub PARTIALLY_CORRECT{ return 22; }	sub PARTIALLY_CORRECT { return 22; }

	sub RESERVED_LATER { return 30; }
	sub RESERVED { return 31; }
	sub RESERVED_LOCATION { return 32; }
	sub RESERVABLE { return 33; }
	sub RESERVABLE_LATER { return 34; }
	sub NOTRESERVABLE { return 35; }
	sub NOT_IN_A_SLOT { return 36; }
	sub NEEDS_CHECKIN { return 37; }
	sub WAITING_FOR_GRADE { return 38; }
	sub UNKNOWN { return 39; }

sub status {	sub status {
my $self = shift;	my $self = shift;
Line 4737 sub status {	Line 5296 sub status {
return ATTEMPTED;	return ATTEMPTED;
}	}

	if ($completionStatus == CREDIT_ATTEMPTED) {
	return CREDIT_ATTEMPTED;
	}

# If it's EXCUSED, then return that no matter what	# If it's EXCUSED, then return that no matter what
if ($completionStatus == EXCUSED) {	if ($completionStatus == EXCUSED) {
return EXCUSED;	return EXCUSED;
Line 4775 sub status {	Line 5338 sub status {
}	}

# Otherwise, it's untried and open	# Otherwise, it's untried and open
return OPEN;	return OPEN;
	}

	sub check_for_slot {
	my $self = shift;
	my $part = shift;
	my $symb = $self->symb();
	my ($use_slots,$available,$availablestudent) = $self->slot_control($part);
	if (($use_slots ne '') && ($use_slots !~ /^\sno\s$/i)) {
	my @slots = (split(/:/,$availablestudent),split(/:/,$available));
	my $cid=$env{'request.course.id'};
	my $cdom=$env{'course.'.$cid.'.domain'};
	my $cnum=$env{'course.'.$cid.'.num'};
	my $now = time;
	my $num_usable_slots = 0;
	if (@slots > 0) {
	my %slots=&Apache::lonnet::get('slots',[@slots],$cdom,$cnum);
	if (&Apache::lonnet::error(%slots)) {
	return (UNKNOWN);
	}
	my @sorted_slots = &Apache::loncommon::sorted_slots(\@slots,\%slots,'starttime');
	my ($checkedin,$checkedinslot);
	foreach my $slot_name (@sorted_slots) {
	next if (!defined($slots{$slot_name}) \|\| !ref($slots{$slot_name}));
	my $end = $slots{$slot_name}->{'endtime'};
	my $start = $slots{$slot_name}->{'starttime'};
	my $ip = $slots{$slot_name}->{'ip'};
	if ($self->simpleStatus() == OPEN) {
	if ($end > $now) {
	if ($start > $now) {
	return (RESERVED_LATER,$start,$slot_name);
	} else {
	if ($ip ne '') {
	if (!&Apache::loncommon::check_ip_acc($ip)) {
	return (RESERVED_LOCATION,$ip,$slot_name);
	}
	}
	my @proctors;
	if ($slots{$slot_name}->{'proctor'} ne '') {
	@proctors = split(',',$slots{$slot_name}->{'proctor'});
	}
	if (@proctors > 0) {
	($checkedin,$checkedinslot) = $self->checkedin();
	unless ((grep(/^\Q$checkedin\E/,@proctors)) &&
	($checkedinslot eq $slot_name)) {
	return (NEEDS_CHECKIN,undef,$slot_name);
	}
	}
	return (RESERVED,$end,$slot_name);
	}
	}
	} elsif ($end > $now) {
	$num_usable_slots ++;
	}
	}
	my ($is_correct,$got_grade);
	if ($self->is_task()) {
	my $taskstatus = $self->taskstatus();
	$is_correct = (($taskstatus eq 'pass') \|\|
	($self->solved() =~ /^correct_/));
	$got_grade = ($taskstatus =~ /^(?:pass\|fail)$/);
	} else {
	$got_grade = 1;
	$is_correct = ($self->solved() =~ /^correct_/);
	}
	($checkedin,$checkedinslot) = $self->checkedin();
	if ($checkedin) {
	if (!$got_grade) {
	return (WAITING_FOR_GRADE);
	} elsif ($is_correct) {
	return (CORRECT);
	}
	}
	if ($num_usable_slots) {
	return(NOT_IN_A_SLOT);
	}
	}
	my $reservable = &Apache::lonnet::get_reservable_slots($cnum,$cdom,$env{'user.name'},
	$env{'user.domain'});
	if (ref($reservable) eq 'HASH') {
	if ((ref($reservable->{'now_order'}) eq 'ARRAY') && (ref($reservable->{'now'}) eq 'HASH')) {
	foreach my $slot (reverse (@{$reservable->{'now_order'}})) {
	if (($reservable->{'now'}{$slot}{'symb'} eq '') \|\|
	($reservable->{'now'}{$slot}{'symb'} eq $symb)) {
	return(RESERVABLE,$reservable->{'now'}{$slot}{'endreserve'});
	}
	}
	}
	if ((ref($reservable->{'future_order'}) eq 'ARRAY') && (ref($reservable->{'future'}) eq 'HASH')) {
	foreach my $slot (@{$reservable->{'future_order'}}) {
	if (($reservable->{'future'}{$slot}{'symb'} eq '') \|\|
	($reservable->{'future'}{$slot}{'symb'} eq $symb)) {
	return(RESERVABLE_LATER,$reservable->{'future'}{$slot}{'startreserve'});
	}
	}
	}
	}
	return(NOTRESERVABLE);
	}
	return;
}	}

sub CLOSED { return 23; }	sub CLOSED { return 23; }
Line 4827 my %compositeToSimple =	Line 5489 my %compositeToSimple =
INCORRECT() => INCORRECT,	INCORRECT() => INCORRECT,
OPEN() => OPEN,	OPEN() => OPEN,
ATTEMPTED() => ATTEMPTED,	ATTEMPTED() => ATTEMPTED,
	CREDIT_ATTEMPTED() => CORRECT,
ANSWER_SUBMITTED() => ATTEMPTED	ANSWER_SUBMITTED() => ATTEMPTED
);	);

Line 4901 sub completable {	Line 5564 sub completable {
# and it is not "attempted" (manually graded problem), it is	# and it is not "attempted" (manually graded problem), it is
# not "complete"	# not "complete"
if ($self->getCompletionStatus($part) == ATTEMPTED() \|\|	if ($self->getCompletionStatus($part) == ATTEMPTED() \|\|
	$self->getCompletionStatus($part) == CREDIT_ATTEMPTED() \|\|
$status == ANSWER_SUBMITTED() ) {	$status == ANSWER_SUBMITTED() ) {
# did this part already, as well as we can	# did this part already, as well as we can
next;	next;

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

Removed from v.1.424
changed lines
	Added in v.1.486