loncom/interface/lonhelper.pm - diff

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Diff for /loncom/interface/lonhelper.pm between versions 1.95 and 1.138

version 1.95, 2005/01/21 22:59:54	version 1.138, 2006/04/24 23:20:37
Line 25	Line 25
#	#
# http://www.lon-capa.org/	# http://www.lon-capa.org/
#	#
# (Page Handler
#
# (.helper handler
#

=pod	=pod

Line 186 use Apache::Constants qw(:common);	Line 182 use Apache::Constants qw(:common);
use Apache::File;	use Apache::File;
use Apache::lonxml;	use Apache::lonxml;
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet;

# Register all the tags with the helper, so the helper can	# Register all the tags with the helper, so the helper can
# push and pop them	# push and pop them
Line 255 sub real_handler {	Line 252 sub real_handler {
my $r = shift;	my $r = shift;
my $uri = shift;	my $uri = shift;
if (!defined($uri)) { $uri = $r->uri(); }	if (!defined($uri)) { $uri = $r->uri(); }
$ENV{'request.uri'} = $uri;	$env{'request.uri'} = $uri;
my $filename = '/home/httpd/html' . $uri;	my $filename = '/home/httpd/html' . $uri;
my $fh = Apache::File->new($filename);	my $fh = Apache::File->new($filename);
my $file;	my $file;
Line 263 sub real_handler {	Line 260 sub real_handler {


# Send header, don't cache this page	# Send header, don't cache this page
if ($ENV{'browser.mathml'}) {	if ($env{'browser.mathml'}) {
&Apache::loncommon::content_type($r,'text/xml');	&Apache::loncommon::content_type($r,'text/xml');
} else {	} else {
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
Line 278 sub real_handler {	Line 275 sub real_handler {

my $allowed = $helper->allowedCheck();	my $allowed = $helper->allowedCheck();
if (!$allowed) {	if (!$allowed) {
$ENV{'user.error.msg'} = $ENV{'request.uri'}.':'.$helper->{REQUIRED_PRIV}.	$env{'user.error.msg'} = $env{'request.uri'}.':'.$helper->{REQUIRED_PRIV}.
":0:0:Permission denied to access this helper.";	":0:0:Permission denied to access this helper.";
return HTTP_NOT_ACCEPTABLE;	return HTTP_NOT_ACCEPTABLE;
}	}
Line 363 use HTML::Entities();	Line 360 use HTML::Entities();
use Apache::loncommon;	use Apache::loncommon;
use Apache::File;	use Apache::File;
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet;

sub new {	sub new {
my $proto = shift;	my $proto = shift;
Line 374 sub new {	Line 372 sub new {

# If there is a state from the previous form, use that. If there is no	# If there is a state from the previous form, use that. If there is no
# state, use the start state parameter.	# state, use the start state parameter.
if (defined $ENV{"form.CURRENT_STATE"})	if (defined $env{"form.CURRENT_STATE"})
{	{
$self->{STATE} = $ENV{"form.CURRENT_STATE"};	$self->{STATE} = $env{"form.CURRENT_STATE"};
}	}
else	else
{	{
$self->{STATE} = "START";	$self->{STATE} = "START";
}	}

$self->{TOKEN} = $ENV{'form.TOKEN'};	$self->{TOKEN} = $env{'form.TOKEN'};
# If a token was passed, we load that in. Otherwise, we need to create a	# If a token was passed, we load that in. Otherwise, we need to create a
# new storage file	# new storage file
# Tried to use standard Tie'd hashes, but you can't seem to take a	# Tried to use standard Tie'd hashes, but you can't seem to take a
Line 416 sub new {	Line 414 sub new {
return undef;	return undef;
}	}
# Must create the storage	# Must create the storage
$self->{TOKEN} = md5_hex($ENV{'user.name'} . $ENV{'user.domain'} .	$self->{TOKEN} = md5_hex($env{'user.name'} . $env{'user.domain'} .
time() . rand());	time() . rand());
$self->{FILENAME} = $Apache::lonnet::tmpdir . md5_hex($self->{TOKEN});	$self->{FILENAME} = $Apache::lonnet::tmpdir . md5_hex($self->{TOKEN});
}	}

# OK, we now have our persistent storage.	# OK, we now have our persistent storage.

if (defined $ENV{"form.RETURN_PAGE"})	if (defined $env{"form.RETURN_PAGE"})
{	{
$self->{RETURN_PAGE} = $ENV{"form.RETURN_PAGE"};	$self->{RETURN_PAGE} = $env{"form.RETURN_PAGE"};
}	}
else	else
{	{
Line 486 sub declareVar {	Line 484 sub declareVar {
}	}

my $envname = 'form.' . $var . '.forminput';	my $envname = 'form.' . $var . '.forminput';
if (defined($ENV{$envname})) {	if (defined($env{$envname})) {
if (ref($ENV{$envname})) {	if (ref($env{$envname})) {
$self->{VARS}->{$var} = join('\|\|\|', @{$ENV{$envname}});	$self->{VARS}->{$var} = join('\|\|\|', @{$env{$envname}});
} else {	} else {
$self->{VARS}->{$var} = $ENV{$envname};	$self->{VARS}->{$var} = $env{$envname};
}	}
}	}
}	}
Line 502 sub allowedCheck {	Line 500 sub allowedCheck {
return 1;	return 1;
}	}

return Apache::lonnet::allowed($self->{REQUIRED_PRIV}, $ENV{'request.course.id'});	return Apache::lonnet::allowed($self->{REQUIRED_PRIV}, $env{'request.course.id'});
}	}

sub changeState {	sub changeState {
Line 524 sub process {	Line 522 sub process {
# Phase 1: Post processing for state of previous screen (which is actually	# Phase 1: Post processing for state of previous screen (which is actually
# the "current state" in terms of the helper variables), if it wasn't the	# the "current state" in terms of the helper variables), if it wasn't the
# beginning state.	# beginning state.
if ($self->{STATE} ne "START" \|\| $ENV{"form.SUBMIT"} eq &mt("Next ->")) {	if ($self->{STATE} ne "START" \|\| $env{"form.SUBMIT"} eq &mt("Next ->")) {
my $prevState = $self->{STATES}{$self->{STATE}};	my $prevState = $self->{STATES}{$self->{STATE}};
$prevState->postprocess();	$prevState->postprocess();
}	}
Line 576 sub display {	Line 574 sub display {

# Phase 4: Display.	# Phase 4: Display.
my $stateTitle=&mt($state->title());	my $stateTitle=&mt($state->title());
my $helperTitle = &mt($self->{TITLE});	my $browser_searcher_js =
my $bodytag = &Apache::loncommon::bodytag($helperTitle,'','');	'<script type="text/javascript">'."\n".
	&Apache::loncommon::browser_and_searcher_javascript().
	"\n".'</script>';

	$result .= &Apache::loncommon::start_page($self->{TITLE},
	$browser_searcher_js);

my $previous = HTML::Entities::encode(&mt("<- Previous"), '<>&"');	my $previous = HTML::Entities::encode(&mt("<- Previous"), '<>&"');
my $next = HTML::Entities::encode(&mt("Next ->"), '<>&"');	my $next = HTML::Entities::encode(&mt("Next ->"), '<>&"');
# FIXME: This should be parameterized, not concatenated - Jeremy	# FIXME: This should be parameterized, not concatenated - Jeremy
my $loncapaHelper = &mt("LON-CAPA Helper:");

$result .= <<HEADER;
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>$loncapaHelper: $helperTitle</title>
</head>
$bodytag
HEADER
if (!$state->overrideForm()) { $result.="<form name='helpform' method='POST'>"; }	if (!$state->overrideForm()) { $result.="<form name='helpform' method='POST'>"; }
$result .= <<HEADER;	$result .= <<HEADER;
<table border="0" width='100%'><tr><td>	<table border="0" width='100%'><tr><td>
Line 653 HEADER	Line 649 HEADER
</tr>	</tr>
</table>	</table>
</form>	</form>
</body>
</html>
FOOTER	FOOTER

	$result .= &Apache::loncommon::end_page();
# Handle writing out the vars to the file	# Handle writing out the vars to the file
my $file = Apache::File->new('>'.$self->{FILENAME});	my $file = Apache::File->new('>'.$self->{FILENAME});
print $file $self->_varsInFile();	print $file $self->_varsInFile();
Line 1074 will be the state transistioned to if th	Line 1069 will be the state transistioned to if th
the choice is not multichoice. This will override the nextstate	the choice is not multichoice. This will override the nextstate
passed to the parent C<choices> tag.	passed to the parent C<choices> tag.

	<choice> may optionally contain a 'relatedvalue' attribute, which
	if present will cause a text entry to appear to the right of the
	selection. The value of the relatedvalue attribute is a variable
	into which the text entry will be stored e.g.:
	<choice computer='numberprovided" relatedvalue="num">Type the number in:</choice>

	<choice> may contain a relatededefault atribute which, if the
	relatedvalue attribute is present will be the initial value of the input
	box.

=back	=back

To create the choices programmatically, either wrap the choices in	To create the choices programmatically, either wrap the choices in
Line 1115 no strict;	Line 1120 no strict;
@ISA = ("Apache::lonhelper::element");	@ISA = ("Apache::lonhelper::element");
use strict;	use strict;
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet;

BEGIN {	BEGIN {
&Apache::lonhelper::register('Apache::lonhelper::choices',	&Apache::lonhelper::register('Apache::lonhelper::choices',
Line 1163 sub start_choice {	Line 1169 sub start_choice {
my $computer = $token->[2]{'computer'};	my $computer = $token->[2]{'computer'};
my $human = &mt(&Apache::lonxml::get_all_text('/choice',	my $human = &mt(&Apache::lonxml::get_all_text('/choice',
$parser));	$parser));
my $nextstate = $token->[2]{'nextstate'};	my $nextstate = $token->[2]{'nextstate'};
my $evalFlag = $token->[2]{'eval'};	my $evalFlag = $token->[2]{'eval'};
	my $relatedVar = $token->[2]{'relatedvalue'};
	my $relatedDefault = $token->[2]{'relateddefault'};
push @{$paramHash->{CHOICES}}, [&mtn($human), $computer, $nextstate,	push @{$paramHash->{CHOICES}}, [&mtn($human), $computer, $nextstate,
$evalFlag];	$evalFlag, $relatedVar, $relatedDefault];
return '';	return '';
}	}

Line 1189 sub render {	Line 1197 sub render {

if ($self->{'multichoice'}) {	if ($self->{'multichoice'}) {
$result .= <<SCRIPT;	$result .= <<SCRIPT;
<script>	<script type="text/javascript">
	// <!--
function checkall(value, checkName) {	function checkall(value, checkName) {
for (i=0; i<document.forms.helpform.elements.length; i++) {	for (i=0; i<document.forms.helpform.elements.length; i++) {
ele = document.forms.helpform.elements[i];	ele = document.forms.helpform.elements[i];
Line 1198 sub render {	Line 1207 sub render {
}	}
}	}
}	}
	// -->
</script>	</script>
SCRIPT	SCRIPT
}	}
Line 1266 BUTTONS	Line 1276 BUTTONS
my $id = &new_id();	my $id = &new_id();
$result .= "<tr>\n<td width='20'> </td>\n";	$result .= "<tr>\n<td width='20'> </td>\n";
$result .= "<td valign='top'><input type='$type' name='$var.forminput'"	$result .= "<td valign='top'><input type='$type' name='$var.forminput'"
. "' value='" .	. " value='" .
HTML::Entities::encode($choice->[1],"<>&\"'")	HTML::Entities::encode($choice->[1],"<>&\"'")
. "'";	. "'";
if ($checkedChoices{$choice->[1]}) {	if ($checkedChoices{$choice->[1]}) {
$result .= " checked ";	$result .= " checked='checked' ";
}	}
$result .= qq{id="$id"};	$result .= qq{id="id$id"};
my $choiceLabel = $choice->[0];	my $choiceLabel = $choice->[0];
if ($choice->[4]) { # if we need to evaluate this choice	if ($choice->[3]) { # if we need to evaluate this choice
$choiceLabel = "sub { my $helper = shift; my $state = shift;" .	$choiceLabel = "sub { my $helper = shift; my $state = shift;" .
$choiceLabel . "}";	$choiceLabel . "}";
$choiceLabel = eval($choiceLabel);	$choiceLabel = eval($choiceLabel);
$choiceLabel = &$choiceLabel($helper, $self);	$choiceLabel = &$choiceLabel($helper, $self);
}	}
$result .= "/></td><td> ".qq{<label for="$id">}.	$result .= "/></td><td> ".qq{<label for="id$id">}.
$choiceLabel. "</label></td></tr>\n";	$choiceLabel. "</label></td>";
	if ($choice->[4]) {
	$result .='<td><input type="text" size="5" name="'
	.$choice->[4].'.forminput" value="'
	.$choice->[5].'" /></td>';
	}
	$result .= "</tr>\n";
}	}
$result .= "</table>\n\n\n";	$result .= "</table>\n\n\n";
$result .= $buttons;	$result .= $buttons;
Line 1293 BUTTONS	Line 1309 BUTTONS
# given, switch to it	# given, switch to it
sub postprocess {	sub postprocess {
my $self = shift;	my $self = shift;
my $chosenValue = $ENV{'form.' . $self->{'variable'} . '.forminput'};	my $chosenValue = $env{'form.' . $self->{'variable'} . '.forminput'};

if (!defined($chosenValue) && !$self->{'allowempty'}) {	if (!defined($chosenValue) && !$self->{'allowempty'}) {
$self->{ERROR_MSG} =	$self->{ERROR_MSG} =
Line 1315 sub postprocess {	Line 1331 sub postprocess {
$helper->changeState($choice->[2]);	$helper->changeState($choice->[2]);
}	}
}	}
	if ($choice->[4]) {
	my $varname = $choice->[4];
	$helper->{'VARS'}->{$varname} = $env{'form.'."$varname.forminput"};
	}
}	}
return 1;	return 1;
}	}
Line 1347 no strict;	Line 1367 no strict;
@ISA = ("Apache::lonhelper::element");	@ISA = ("Apache::lonhelper::element");
use strict;	use strict;
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet;

BEGIN {	BEGIN {
&Apache::lonhelper::register('Apache::lonhelper::dropdown',	&Apache::lonhelper::register('Apache::lonhelper::dropdown',
Line 1427 sub render {	Line 1448 sub render {
HTML::Entities::encode($choice->[1],"<>&\"'")	HTML::Entities::encode($choice->[1],"<>&\"'")
. "'";	. "'";
if ($checkedChoices{$choice->[1]}) {	if ($checkedChoices{$choice->[1]}) {
$result .= " selected";	$result .= " selected='selected' ";
}	}
my $choiceLabel = $choice->[0];	my $choiceLabel = $choice->[0];
if ($choice->[4]) { # if we need to evaluate this choice	if ($choice->[4]) { # if we need to evaluate this choice
Line 1436 sub render {	Line 1457 sub render {
$choiceLabel = eval($choiceLabel);	$choiceLabel = eval($choiceLabel);
$choiceLabel = &$choiceLabel($helper, $self);	$choiceLabel = &$choiceLabel($helper, $self);
}	}
$result .= ">" . &mtn($choiceLabel) . "\n";	$result .= ">" . &mtn($choiceLabel) . "</option>\n";
}	}
$result .= "</select>\n";	$result .= "</select>\n";

Line 1447 sub render {	Line 1468 sub render {
# given, switch to it	# given, switch to it
sub postprocess {	sub postprocess {
my $self = shift;	my $self = shift;
my $chosenValue = $ENV{'form.' . $self->{'variable'} . '.forminput'};	my $chosenValue = $env{'form.' . $self->{'variable'} . '.forminput'};

if (!defined($chosenValue) && !$self->{'allowempty'}) {	if (!defined($chosenValue) && !$self->{'allowempty'}) {
$self->{ERROR_MSG} = "You must choose one or more choices to" .	$self->{ERROR_MSG} = "You must choose one or more choices to" .
Line 1506 no strict;	Line 1527 no strict;
@ISA = ("Apache::lonhelper::element");	@ISA = ("Apache::lonhelper::element");
use strict;	use strict;
use Apache::lonlocal; # A localization nightmare	use Apache::lonlocal; # A localization nightmare
	use Apache::lonnet;
use Time::localtime;	use Time::localtime;

BEGIN {	BEGIN {
Line 1534 sub start_date {	Line 1555 sub start_date {
$paramHash->{'variable'} = $token->[2]{'variable'};	$paramHash->{'variable'} = $token->[2]{'variable'};
$helper->declareVar($paramHash->{'variable'});	$helper->declareVar($paramHash->{'variable'});
$paramHash->{'hoursminutes'} = $token->[2]{'hoursminutes'};	$paramHash->{'hoursminutes'} = $token->[2]{'hoursminutes'};
	$paramHash->{'anytime'} = $token->[2]{'anytime'};
}	}

sub end_date {	sub end_date {
Line 1552 sub render {	Line 1574 sub render {
my $var = $self->{'variable'};	my $var = $self->{'variable'};

my $date;	my $date;

	my $time=time;
	my ($anytime,$onclick);


	# first check VARS for a valid new value from the user
	# then check DEFAULT_VALUE for a valid default time value
	# otherwise pick now as reasonably good time

	if (defined($helper->{VARS}{$var})
	&& $helper->{VARS}{$var} > 0) {
	$date = localtime($helper->{VARS}{$var});
	} elsif (defined($self->{DEFAULT_VALUE})) {
	my $valueFunc = eval($self->{DEFAULT_VALUE});
	die('Error in default value code for variable ' .
	$self->{'variable'} . ', Perl said: ' . $@) if $@;
	$time = &$valueFunc($helper, $self);
	if (lc($time) eq 'anytime') {
	$anytime=1;
	$date = localtime(time);
	$date->min(0);
	} elsif (defined($time) && $time ne 0) {
	$date = localtime($time);
	} else {
	# leave date undefined so it'll default to now
	}
	}

	if (!defined($date)) {
	$date = localtime(time);
	$date->min(0);
	}

	&Apache::lonnet::logthis("date mode ");

	if ($anytime) {
	$onclick = "onclick=\"javascript:updateCheck(this.form,'${var}anytime',false)\"";
	}
# Default date: The current hour.	# Default date: The current hour.
$date = localtime();
$date->min(0);

if (defined $self->{ERROR_MSG}) {	if (defined $self->{ERROR_MSG}) {
$result .= '<font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br /><br />';	$result .= '<font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br /><br />';
Line 1563 sub render {	Line 1620 sub render {

# Month	# Month
my $i;	my $i;
$result .= "<select name='${var}month'>\n";	$result .= "<select $onclick name='${var}month'>\n";
for ($i = 0; $i < 12; $i++) {	for ($i = 0; $i < 12; $i++) {
if ($i == $date->mon) {	if ($i == $date->mon) {
$result .= "<option value='$i' selected>";	$result .= "<option value='$i' selected='selected'>";
} else {	} else {
$result .= "<option value='$i'>";	$result .= "<option value='$i'>";
}	}
Line 1575 sub render {	Line 1632 sub render {
$result .= "</select>\n";	$result .= "</select>\n";

# Day	# Day
$result .= "<select name='${var}day'>\n";	$result .= "<select $onclick name='${var}day'>\n";
for ($i = 1; $i < 32; $i++) {	for ($i = 1; $i < 32; $i++) {
if ($i == $date->mday) {	if ($i == $date->mday) {
$result .= '<option selected>';	$result .= '<option selected="selected">';
} else {	} else {
$result .= '<option>';	$result .= '<option>';
}	}
Line 1587 sub render {	Line 1644 sub render {
$result .= "</select>,\n";	$result .= "</select>,\n";

# Year	# Year
$result .= "<select name='${var}year'>\n";	$result .= "<select $onclick name='${var}year'>\n";
for ($i = 2000; $i < 2030; $i++) { # update this after 64-bit dates	for ($i = 2000; $i < 2030; $i++) { # update this after 64-bit dates
if ($date->year + 1900 == $i) {	if ($date->year + 1900 == $i) {
$result .= "<option selected>";	$result .= "<option selected='selected'>";
} else {	} else {
$result .= "<option>";	$result .= "<option>";
}	}
Line 1604 sub render {	Line 1661 sub render {
my $am = &mt('a.m.');	my $am = &mt('a.m.');
my $pm = &mt('p.m.');	my $pm = &mt('p.m.');
# Build hour	# Build hour
$result .= "<select name='${var}hour'>\n";	$result .= "<select $onclick name='${var}hour'>\n";
$result .= "<option " . ($date->hour == 0 ? 'selected ':'') .	$result .= "<option " . ($date->hour == 0 ? 'selected="selected" ':'') .
" value='0'>" . &mt('midnight') . "</option>\n";	" value='0'>" . &mt('midnight') . "</option>\n";
for ($i = 1; $i < 12; $i++) {	for ($i = 1; $i < 12; $i++) {
if ($date->hour == $i) {	if ($date->hour == $i) {
$result .= "<option selected value='$i'>$i $am</option>\n";	$result .= "<option selected='selected' value='$i'>$i $am</option>\n";
} else {	} else {
$result .= "<option value='$i'>$i $am</option>\n";	$result .= "<option value='$i'>$i $am</option>\n";
}	}
}	}
$result .= "<option " . ($date->hour == 12 ? 'selected ':'') .	$result .= "<option " . ($date->hour == 12 ? 'selected="selected" ':'') .
" value='12'>" . &mt('noon') . "</option>\n";	" value='12'>" . &mt('noon') . "</option>\n";
for ($i = 13; $i < 24; $i++) {	for ($i = 13; $i < 24; $i++) {
my $printedHour = $i - 12;	my $printedHour = $i - 12;
if ($date->hour == $i) {	if ($date->hour == $i) {
$result .= "<option selected value='$i'>$printedHour $pm</option>\n";	$result .= "<option selected='selected' value='$i'>$printedHour $pm</option>\n";
} else {	} else {
$result .= "<option value='$i'>$printedHour $pm</option>\n";	$result .= "<option value='$i'>$printedHour $pm</option>\n";
}	}
Line 1627 sub render {	Line 1684 sub render {

$result .= "</select> :\n";	$result .= "</select> :\n";

$result .= "<select name='${var}minute'>\n";	$result .= "<select $onclick name='${var}minute'>\n";
for ($i = 0; $i < 60; $i++) {	my $selected=0;
	for my $i ((0,15,30,45,59,undef,0..59)) {
my $printedMinute = $i;	my $printedMinute = $i;
if ($i < 10) {	if (defined($i) && $i < 10) {
$printedMinute = "0" . $printedMinute;	$printedMinute = "0" . $printedMinute;
}	}
if ($date->min == $i) {	if (!$selected && $date->min == $i) {
$result .= "<option selected>";	$result .= "<option selected='selected'>";
	$selected=1;
} else {	} else {
$result .= "<option>";	$result .= "<option>";
}	}
Line 1642 sub render {	Line 1701 sub render {
}	}
$result .= "</select>\n";	$result .= "</select>\n";
}	}
	if ($self->{'anytime'}) {
	$result.=(<<CHECK);
	<script type="text/javascript">
	// <!--
	function updateCheck(form,name,value) {
	var checkbox=form[name];
	checkbox.checked = value;
	}
	// -->
	</script>
	CHECK
	$result.=" or <label><input type='checkbox' ";
	if ($anytime) {
	$result.=' checked="checked" '
	}
	$result.="name='${var}anytime'/>".&mt('Any time').'</label>'
	}
return $result;	return $result;

}	}
Line 1650 sub render {	Line 1725 sub render {
sub postprocess {	sub postprocess {
my $self = shift;	my $self = shift;
my $var = $self->{'variable'};	my $var = $self->{'variable'};
my $month = $ENV{'form.' . $var . 'month'};	if ($env{'form.' . $var . 'anytime'}) {
my $day = $ENV{'form.' . $var . 'day'};	$helper->{VARS}->{$var} = undef;
my $year = $ENV{'form.' . $var . 'year'};	} else {
my $min = 0;	my $month = $env{'form.' . $var . 'month'};
my $hour = 0;	my $day = $env{'form.' . $var . 'day'};
if ($self->{'hoursminutes'}) {	my $year = $env{'form.' . $var . 'year'};
$min = $ENV{'form.' . $var . 'minute'};	my $min = 0;
$hour = $ENV{'form.' . $var . 'hour'};	my $hour = 0;
}	if ($self->{'hoursminutes'}) {
	$min = $env{'form.' . $var . 'minute'};
	$hour = $env{'form.' . $var . 'hour'};
	}

	my $chosenDate;
	eval {$chosenDate = Time::Local::timelocal(0, $min, $hour, $day, $month, $year);};
	my $error = $@;

	# Check to make sure that the date was not automatically co-erced into a
	# valid date, as we want to flag that as an error
	# This happens for "Feb. 31", for instance, which is coerced to March 2 or
	# 3, depending on if it's a leap year
	my $checkDate = localtime($chosenDate);

	if ($error \|\| $checkDate->mon != $month \|\| $checkDate->mday != $day \|\|
	$checkDate->year + 1900 != $year) {
	unless (Apache::lonlocal::current_language()== ~/^en/) {
	$self->{ERROR_MSG} = &mt("Invalid date entry");
	return 0;
	}
	# LOCALIZATION FIXME: Needs to be parameterized
	$self->{ERROR_MSG} = "Can't use " . $months[$month] . " $day, $year as a "
	. "date because it doesn't exist. Please enter a valid date.";

my $chosenDate;
eval {$chosenDate = Time::Local::timelocal(0, $min, $hour, $day, $month, $year);};
my $error = $@;

# Check to make sure that the date was not automatically co-erced into a
# valid date, as we want to flag that as an error
# This happens for "Feb. 31", for instance, which is coerced to March 2 or
# 3, depending on if it's a leap year
my $checkDate = localtime($chosenDate);

if ($error \|\| $checkDate->mon != $month \|\| $checkDate->mday != $day \|\|
$checkDate->year + 1900 != $year) {
unless (Apache::lonlocal::current_language()== ~/^en/) {
$self->{ERROR_MSG} = &mt("Invalid date entry");
return 0;	return 0;
}	}
# LOCALIZATION FIXME: Needs to be parameterized	$helper->{VARS}->{$var} = $chosenDate;
$self->{ERROR_MSG} = "Can't use " . $months[$month] . " $day, $year as a "
. "date because it doesn't exist. Please enter a valid date.";

return 0;
}	}

$helper->{VARS}->{$var} = $chosenDate;	if (defined($self->{VALIDATOR})) {
	my $validator = eval($self->{VALIDATOR});
	die 'Died during evaluation of validator code; Perl said: ' . $@ if $@;
	my $invalid = &$validator($helper, $state, $self, $self->getValue());
	if ($invalid) {
	$self->{ERROR_MSG} = $invalid;
	return 0;
	}
	}

if (defined($self->{NEXTSTATE})) {	if (defined($self->{NEXTSTATE})) {
$helper->changeState($self->{NEXTSTATE});	$helper->changeState($self->{NEXTSTATE});
Line 1757 than 1 part.	Line 1845 than 1 part.
no strict;	no strict;
@ISA = ("Apache::lonhelper::element");	@ISA = ("Apache::lonhelper::element");
use strict;	use strict;
	use Apache::lonnet;

BEGIN {	BEGIN {
&Apache::lonhelper::register('Apache::lonhelper::resource',	&Apache::lonhelper::register('Apache::lonhelper::resource',
Line 1929 sub render {	Line 2018 sub render {

if ($self->{'multichoice'}) {	if ($self->{'multichoice'}) {
$result = <<SCRIPT;	$result = <<SCRIPT;
<script>	<script type="text/javascript">
	// <!--
function checkall(value, checkName) {	function checkall(value, checkName) {
for (i=0; i<document.forms.helpform.elements.length; i++) {	for (i=0; i<document.forms.helpform.elements.length; i++) {
ele = document.forms.helpform.elements[i];	ele = document.forms.helpform.elements[i];
Line 1938 sub render {	Line 2028 sub render {
}	}
}	}
}	}
	// -->
</script>	</script>
SCRIPT	SCRIPT
my %lt=&Apache::lonlocal::texthash(	my %lt=&Apache::lonlocal::texthash(
Line 1977 BUTTONS	Line 2068 BUTTONS
$mapUrl = $self->{MAP_URL};	$mapUrl = $self->{MAP_URL};
}	}

	my %defaultSymbs;
	if (defined($self->{DEFAULT_VALUE})) {
	my $valueFunc = eval($self->{DEFAULT_VALUE});
	die 'Error in default value code for variable ' .
	$self->{'variable'} . ', Perl said: ' . $@ if $@;
	my @defaultSymbs = &$valueFunc($helper, $self);
	if (!$multichoice && @defaultSymbs) { # only allowed 1
	@defaultSymbs = ($defaultSymbs[0]);
	}
	%defaultSymbs = map { if ($_) {($_,1) } } @defaultSymbs;
	delete($defaultSymbs{''});
	}

# Create the composite function that renders the column on the nav map	# Create the composite function that renders the column on the nav map
# have to admit any language that lets me do this can't be all bad	# have to admit any language that lets me do this can't be all bad
# - Jeremy (Pythonista) ;-)	# - Jeremy (Pythonista) ;-)
Line 2005 BUTTONS	Line 2109 BUTTONS
return $result;	return $result;
} else {	} else {
my $col = "";	my $col = "";
	my $raw_name = &$valueFunc($resource);
my $resource_name =	my $resource_name =
HTML::Entities::encode(&$valueFunc($resource),"<>&\"'");	HTML::Entities::encode($raw_name,"<>&\"'");
if($option_vars) {	if($option_vars) {
foreach my $option_var (@$option_vars) {	foreach my $option_var (@$option_vars) {
	my $var_value = "\\|\\|\\|" . $helper->{VARS}->{$option_var} .
	"\\|\\|\\|";
	my $checked ="";
	if($var_value =~ /\Q\|\|\|$raw_name\|\|\|\E/) {
	$checked = "checked='checked'";
	}
$col .=	$col .=
"<td align='center'><input type='checkbox' name ='$option_var".	"<td align='center'><input type='checkbox' name ='$option_var".
".forminput' value='".	".forminput' value='".
$resource_name . "' /> </td>";	$resource_name . "' $checked /> </td>";
}	}
}	}

$col .= "<td align='center'><input type='$inputType' name='${var}.forminput' ";	$col .= "<td align='center'><input type='$inputType' name='${var}.forminput' ";
if (!$checked && !$multichoice) {	if (%defaultSymbs) {
$col .= "checked ";	my $symb=$resource->symb();
$checked = 1;	if (exists($defaultSymbs{$symb})) {
}	$col .= "checked='checked' ";
if ($multichoice) { # all resources start checked; see bug 1174	$checked = 1;
$col .= "checked ";	}
$checked = 1;	} else {
	if (!$checked && !$multichoice) {
	$col .= "checked='checked' ";
	$checked = 1;
	}
	if ($multichoice) { # all resources start checked; see bug 1174
	$col .= "checked='checked' ";
	$checked = 1;
	}
}	}
$col .= "value='" . $resource_name . "' /></td>";	$col .= "value='" . $resource_name . "' /></td>";

Line 2048 BUTTONS	Line 2167 BUTTONS
};	};
$result.=(<<RADIO);	$result.=(<<RADIO);
<script type="text/javascript">	<script type="text/javascript">
	// <!--
function updateRadio(form,name,value) {	function updateRadio(form,name,value) {
var radiobutton=form[name];	var radiobutton=form[name];
for (var i=0; i<radiobutton.length; i++) {	for (var i=0; i<radiobutton.length; i++) {
Line 2063 BUTTONS	Line 2183 BUTTONS
var which=select.selectedIndex;	var which=select.selectedIndex;
hidden.value=select.options[which].value;	hidden.value=select.options[which].value;
}	}
	// -->
</script>	</script>
<input type="hidden" name="${var}_part.forminput" />;	<input type="hidden" name="${var}_part.forminput" />

RADIO	RADIO
$ENV{'form.condition'} = !$self->{'toponly'};	$env{'form.condition'} = !$self->{'toponly'};
my $cols = [$renderColFunc];	my $cols = [$renderColFunc];
if ($self->{'addparts'}) { push(@$cols, $renderPartsFunc); }	if ($self->{'addparts'}) { push(@$cols, $renderPartsFunc); }
push(@$cols, Apache::lonnavmaps::resource());	push(@$cols, Apache::lonnavmaps::resource());
Line 2139 selection. Defaults to false.	Line 2260 selection. Defaults to false.
If true, only active students and course personnel will be	If true, only active students and course personnel will be
shown. Defaults to false.	shown. Defaults to false.

	=item * B<emptyallowed>:

	If true, the selection of no users is allowed. Defaults to false.

=back	=back

=cut	=cut
Line 2147 no strict;	Line 2272 no strict;
@ISA = ("Apache::lonhelper::element");	@ISA = ("Apache::lonhelper::element");
use strict;	use strict;
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet;

BEGIN {	BEGIN {
&Apache::lonhelper::register('Apache::lonhelper::student',	&Apache::lonhelper::register('Apache::lonhelper::student',
Line 2174 sub start_student {	Line 2299 sub start_student {
if (defined($token->[2]{'nextstate'})) {	if (defined($token->[2]{'nextstate'})) {
$paramHash->{NEXTSTATE} = $token->[2]{'nextstate'};	$paramHash->{NEXTSTATE} = $token->[2]{'nextstate'};
}	}
	$paramHash->{'emptyallowed'} = $token->[2]{'emptyallowed'};

}	}

Line 2194 sub render {	Line 2320 sub render {

if ($self->{'multichoice'}) {	if ($self->{'multichoice'}) {
$result = <<SCRIPT;	$result = <<SCRIPT;
<script>	<script type="text/javascript">
	// <!--
function checkall(value, checkName) {	function checkall(value, checkName) {
for (i=0; i<document.forms.helpform.elements.length; i++) {	for (i=0; i<document.forms.helpform.elements.length; i++) {
ele = document.forms.helpform.elements[i];	ele = document.forms.helpform.elements[i];
Line 2220 sub render {	Line 2347 sub render {
}	}
}	}
}	}
	function checkexpired() {
	for (i=0; i<document.forms.helpform.elements.length; i++) {
	if (document.forms.helpform.elements[i].value.indexOf(':Expired') != -1) {
	document.forms.helpform.elements[i].checked=true;
	}
	}
	}
function uncheckexpired() {	function uncheckexpired() {
for (i=0; i<document.forms.helpform.elements.length; i++) {	for (i=0; i<document.forms.helpform.elements.length; i++) {
if (document.forms.helpform.elements[i].value.indexOf(':Expired') != -1) {	if (document.forms.helpform.elements[i].value.indexOf(':Expired') != -1) {
Line 2227 sub render {	Line 2361 sub render {
}	}
}	}
}	}
	function getDesiredState() { // Return desired person state radio value.
	numRadio = document.forms.helpform.personstate.length;
	for (i =0; i < numRadio; i++) {
	if (document.forms.helpform.personstate[i].checked) {
	return document.forms.helpform.personstate[i].value;
	}
	}
	return "";
	}

	function checksections(value) { // Check selected sections.
	numSections = document.forms.helpform.chosensections.length;
	desiredState = getDesiredState();

	for (var option = 0; option < numSections; option++) {
	if(document.forms.helpform.chosensections.options[option].selected) {
	section = document.forms.helpform.chosensections.options[option].text;
	if (section == "none") {
	section ="";
	}
	for (i = 0; i < document.forms.helpform.elements.length; i++ ) {
	if (document.forms.helpform.elements[i].value.indexOf(':') != -1) {
	info = document.forms.helpform.elements[i].value.split(':');
	hisSection = info[2];
	hisState = info[4];
	if (desiredState == hisState \|\|
	desiredState == "All") {
	if(hisSection == section \|\|
	section =="" ) {
	document.forms.helpform.elements[i].checked = value;
	}
	}
	}
	}
	}
	}
	}
	// -->
</script>	</script>
SCRIPT	SCRIPT

Line 2241 SCRIPT	Line 2413 SCRIPT
$buttons = <<BUTTONS;	$buttons = <<BUTTONS;
<br />	<br />
<table>	<table>
<tr>

<td><input type="button" onclick="checkactive()" value="$lt{'ocs'}" /></td>
<td><input type="button" onclick="uncheckexpired()" value="$lt{'ues'}" /><br /></td>
</tr>
<tr>	<tr>
<td><input type="button" onclick="checkall(true, '$var')" value="$lt{'sas'}" /></td>	<td><input type="button" onclick="checkall(true, '$var')" value="$lt{'sas'}" /></td>
<td> <input type="button" onclick="checkall(false, '$var')" value="$lt{'uas'}" /><br /></td>	<td> <input type="button" onclick="checkall(false, '$var')" value="$lt{'uas'}" /><br /></td>
</tr>	</tr>
<tr>
<td><input type="button" onclick="checksec(true)" value="$lt{'sfsg'}"></td>
<td><input type="text" size="5" name="chksec"> </td>
</tr>
<tr>
<td><input type="button" onclick="checksec(false)" value="$lt{'ufsg'}"></td>
<td></td>
</tr>
</table>	</table>
<br />	<br />
BUTTONS	BUTTONS
	$result .= $buttons;

}	}

if (defined $self->{ERROR_MSG}) {	if (defined $self->{ERROR_MSG}) {
$result .= '<font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br /><br />';	$result .= '<font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br /><br />';
}	}

	my %defaultUsers;
	if (defined($self->{DEFAULT_VALUE})) {
	my $valueFunc = eval($self->{DEFAULT_VALUE});
	die 'Error in default value code for variable ' .
	$self->{'variable'} . ', Perl said: ' . $@ if $@;
	my @defaultUsers = &$valueFunc($helper, $self);
	if (!$self->{'multichoice'} && @defaultUsers) { # only allowed 1
	@defaultUsers = ($defaultUsers[0]);
	}
	%defaultUsers = map { if ($_) {($_,1) } } @defaultUsers;
	delete($defaultUsers{''});
	}
my $choices = [];	my $choices = [];
	my $expired_students = []; # Will hold expired students.

# Load up the non-students, if necessary	# Load up the non-students, if necessary
if ($self->{'coursepersonnel'}) {	if ($self->{'coursepersonnel'}) {
Line 2305 BUTTONS	Line 2481 BUTTONS
}	}
return $classlist->{$a}->[$fullname] cmp $classlist->{$b}->[$fullname];	return $classlist->{$a}->[$fullname] cmp $classlist->{$b}->[$fullname];
} @keys;	} @keys;
	#
	# now add the fancy section choice... first enumerate the sections:
	if ($self->{'multichoice'}) {
	my %sections;
	for my $key (@keys) {
	my $section_name = $classlist->{$key}->[$section];
	if ($section_name ne "") {
	$sections{$section_name} = 1;
	}
	}
	# The variable $choice_widget will have the html to make the choice
	# selector.
	my $size=5;
	if (scalar(keys(%sections)) < 5) {
	$size=scalar(keys(%sections));
	}
	my $choice_widget = '<select multiple name="chosensections" size="'.$size.'">'."\n";
	foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
	$choice_widget .= "<option name=\"$sec\">$sec</option>\n";
	}
	$choice_widget .= "<option>none</option></select>\n";

	# Build a table without any borders to contain the section based
	# selection:

	my $section_selectors =<<SECTIONSELECT;
	<table border="0">
	<tr valign="top">
	<td>For Sections:</td><td>$choice_widget</td>
	<td><label><input type="radio" name="personstate" value="Active" checked />
	Current Students</label></td>
	<td><label><input type="radio" name="personstate" value="All" />
	All students</label></td>
	<td><label><input type="radio" name="personstate" value="Expired" />
	Expired Students</label></td>
	</tr>
	<tr>
	<td><input type="button" value="Select" onclick="checksections(true);" /></td>
	<td><input type="button" value="Unselect" onclick="checksections(false);" /></td></tr>
	</table>
	<br />
	SECTIONSELECT
	$result .= $section_selectors;
	}

# username, fullname, section, type	# username, fullname, section, type
for (@keys) {	for (@keys) {
# Filter out inactive students if we've set "activeonly"
if (!$self->{'activeonly'} \|\| $classlist->{$_}->[$status] eq	# We split the active students into the choices array and
	# inactive ones into expired_students so that we can put them in 2 separate
	# tables.

	if ( $classlist->{$_}->[$status] eq
'Active') {	'Active') {
push @$choices, [$_, $classlist->{$_}->[$fullname],	push @$choices, [$_, $classlist->{$_}->[$fullname],
$classlist->{$_}->[$section],	$classlist->{$_}->[$section],
$classlist->{$_}->[$status], 'Student'];	$classlist->{$_}->[$status], 'Student'];
	} else {
	push @$expired_students, [$_, $classlist->{$_}->[$fullname],
	$classlist->{$_}->[$section],
	$classlist->{$_}->[$status], 'Student'];
}	}
}	}

Line 2328 BUTTONS	Line 2556 BUTTONS
"<td align='center'><b>".&mt('Username').":".&mt('Domain')."</b></td></tr>";	"<td align='center'><b>".&mt('Username').":".&mt('Domain')."</b></td></tr>";

my $checked = 0;	my $checked = 0;
	#
	# Give the active students and staff:
	#
for my $choice (@$choices) {	for my $choice (@$choices) {
$result .= "<tr><td><input type='$type' name='" .	$result .= "<tr><td><input type='$type' name='" .
$self->{'variable'} . '.forminput' . "'";	$self->{'variable'} . '.forminput' . "'";

if (!$self->{'multichoice'} && !$checked) {	if (%defaultUsers) {
$result .= " checked ";	my $user=$choice->[0];
	if (exists($defaultUsers{$user})) {
	$result .= " checked='checked' ";
	$checked = 1;
	}
	} elsif (!$self->{'multichoice'} && !$checked) {
	$result .= " checked='checked' ";
$checked = 1;	$checked = 1;
}	}
$result .=	$result .=
Line 2353 BUTTONS	Line 2590 BUTTONS
. HTML::Entities::encode($choice->[0],'<>&"')	. HTML::Entities::encode($choice->[0],'<>&"')
. "</td></tr>\n";	. "</td></tr>\n";
}	}

$result .= "</table>\n\n";	$result .= "</table>\n\n";
$result .= $buttons;
	# If activeonly is not set then we can also give the expired students:
	#
	if (!$self->{'activeonly'} && ((scalar @$expired_students) > 0)) {
	$result .= "<p>Inactive students: </p>\n";
	$result .= <<INACTIVEBUTTONS;
	<table>
	<tr>
	<td><input type="button" value="Select expired" onclick="checkexpired();" /> </td>
	<td><input type="button" value="Unselect expired" onclick="uncheckexpired();" /></td>
	</tr>
	</table>
	INACTIVEBUTTONS
	$result .= "<table>\n";

	for my $choice (@$expired_students) {
	$result .= "<tr><td><input type='$type' name='" .
	$self->{'variable'} . '.forminput' . "'";

	if (%defaultUsers) {
	my $user=$choice->[0];
	if (exists($defaultUsers{$user})) {
	$result .= " checked='checked' ";
	$checked = 1;
	}
	} elsif (!$self->{'multichoice'} && !$checked) {
	$result .= " checked='checked' ";
	$checked = 1;
	}
	$result .=
	" value='" . HTML::Entities::encode($choice->[0] . ':'
	.$choice->[2] . ':'
	.$choice->[1] . ':'
	.$choice->[3], "<>&\"'")
	. "' /></td><td>"
	. HTML::Entities::encode($choice->[1],'<>&"')
	. "</td><td align='center'>"
	. HTML::Entities::encode($choice->[2],'<>&"')
	. "</td>\n<td>"
	. HTML::Entities::encode($choice->[3],'<>&"')
	. "</td>\n<td>"
	. HTML::Entities::encode($choice->[4],'<>&"')
	. "</td>\n<td>"
	. HTML::Entities::encode($choice->[0],'<>&"')
	. "</td></tr>\n";
	}
	$result .= "</table>\n";

	}



return $result;	return $result;
}	}

sub postprocess {	sub postprocess {
my $self = shift;	my $self = shift;

my $result = $ENV{'form.' . $self->{'variable'} . '.forminput'};	my $result = $env{'form.' . $self->{'variable'} . '.forminput'};
if (!$result) {	if (!$result && !$self->{'emptyallowed'}) {
$self->{ERROR_MSG} =	if ($self->{'coursepersonnel'}) {
&mt('You must choose at least one student to continue.');	$self->{ERROR_MSG} =
	&mt('You must choose at least one user to continue.');
	} else {
	$self->{ERROR_MSG} =
	&mt('You must choose at least one student to continue.');
	}
return 0;	return 0;
}	}

Line 2433 no strict;	Line 2724 no strict;
@ISA = ("Apache::lonhelper::element");	@ISA = ("Apache::lonhelper::element");
use strict;	use strict;
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet;
use Apache::lonpubdir; # for getTitleString	use Apache::lonpubdir; # for getTitleString

BEGIN {	BEGIN {
Line 2538 sub render {	Line 2829 sub render {

if ($self->{'multichoice'}) {	if ($self->{'multichoice'}) {
$result = <<SCRIPT;	$result = <<SCRIPT;
<script>	<script type="text/javascript">
	// <!--
function checkall(value, checkName) {	function checkall(value, checkName) {
for (i=0; i<document.forms.helpform.elements.length; i++) {	for (i=0; i<document.forms.helpform.elements.length; i++) {
ele = document.forms.helpform.elements[i];	ele = document.forms.helpform.elements[i];
Line 2556 sub render {	Line 2848 sub render {
}	}
}	}
}	}
	// -->
</script>	</script>
SCRIPT	SCRIPT
my %lt=&Apache::lonlocal::texthash(	my %lt=&Apache::lonlocal::texthash(
Line 2585 BUTTONS	Line 2878 BUTTONS
# If the subdirectory is in local CSTR space	# If the subdirectory is in local CSTR space
my $metadir;	my $metadir;
if ($subdir =~ m\|/home/([^/]+)/public_html/(.*)\|) {	if ($subdir =~ m\|/home/([^/]+)/public_html/(.*)\|) {
my $user = $1;	my ($user,$domain)=
my $domain = $Apache::lonnet::perlvar{'lonDefDomain'};	&Apache::loncacc::constructaccess($subdir,
	$Apache::lonnet::perlvar{'lonDefDomain'});
$metadir='/res/'.$domain.'/'.$user.'/'.$2;	$metadir='/res/'.$domain.'/'.$user.'/'.$2;
@fileList = &Apache::lonnet::dirlist($subdir, $domain, $user, '');	@fileList = &Apache::lonnet::dirlist($subdir, $domain, $user, '');
} elsif ($subdir =~ m\|^~([^/]+)/(.*)$\|) {	} elsif ($subdir =~ m\|^~([^/]+)/(.*)$\|) {
$subdir='/home/'.$1.'/public_html/'.$2;	$subdir='/home/'.$1.'/public_html/'.$2;
my $user = $1;	my ($user,$domain)=
my $domain = $Apache::lonnet::perlvar{'lonDefDomain'};	&Apache::loncacc::constructaccess($subdir,
	$Apache::lonnet::perlvar{'lonDefDomain'});
$metadir='/res/'.$domain.'/'.$user.'/'.$2;	$metadir='/res/'.$domain.'/'.$user.'/'.$2;
@fileList = &Apache::lonnet::dirlist($subdir, $domain, $user, '');	@fileList = &Apache::lonnet::dirlist($subdir, $domain, $user, '');
} else {	} else {
# local library server resource space	# local library server resource space
@fileList = &Apache::lonnet::dirlist($subdir, $ENV{'user.domain'}, $ENV{'user.name'}, '');	@fileList = &Apache::lonnet::dirlist($subdir, $env{'user.domain'}, $env{'user.name'}, '');
}	}

# Sort the fileList into order	# Sort the fileList into order
Line 2659 BUTTONS	Line 2954 BUTTONS
. ".forminput' ".qq{id="$id"}." value='" . HTML::Entities::encode($fileName,"<>&\"'").	. ".forminput' ".qq{id="$id"}." value='" . HTML::Entities::encode($fileName,"<>&\"'").
"'";	"'";
if (!$self->{'multichoice'} && $choices == 0) {	if (!$self->{'multichoice'} && $choices == 0) {
$result .= ' checked';	$result .= ' checked="checked"';
}	}
$result .= "/></td><td bgcolor='$color'>".	$result .= "/></td><td bgcolor='$color'>".
qq{<label for="$id">}. $file . "</label></td>" .	qq{<label for="$id">}. $file . "</label></td>" .
Line 2690 sub fileState {	Line 2985 sub fileState {
my $constructionSpaceDir = shift;	my $constructionSpaceDir = shift;
my $file = shift;	my $file = shift;

my ($uname,$udom)=($ENV{'user.name'},$ENV{'user.domain'});	my ($uname,$udom)=($env{'user.name'},$env{'user.domain'});
if ($ENV{'request.role'}=~/^ca\./) {	if ($env{'request.role'}=~/^ca\./) {
(undef,$udom,$uname)=split(/\//,$ENV{'request.role'});	(undef,$udom,$uname)=split(/\//,$env{'request.role'});
}	}
my $docroot = $Apache::lonnet::perlvar{'lonDocRoot'};	my $docroot = $Apache::lonnet::perlvar{'lonDocRoot'};
my $subdirpart = $constructionSpaceDir;	my $subdirpart = $constructionSpaceDir;
Line 2717 sub fileState {	Line 3012 sub fileState {

sub postprocess {	sub postprocess {
my $self = shift;	my $self = shift;
my $result = $ENV{'form.' . $self->{'variable'} . '.forminput'};	my $result = $env{'form.' . $self->{'variable'} . '.forminput'};
if (!$result) {	if (!$result) {
$self->{ERROR_MSG} = 'You must choose at least one file '.	$self->{ERROR_MSG} = 'You must choose at least one file '.
'to continue.';	'to continue.';
Line 2742 package Apache::lonhelper::section;	Line 3037 package Apache::lonhelper::section;
<section> allows the user to choose one or more sections from the current	<section> allows the user to choose one or more sections from the current
course.	course.

It takes the standard attributes "variable", "multichoice", and	It takes the standard attributes "variable", "multichoice",
"nextstate", meaning what they do for most other elements.	"allowempty" and "nextstate", meaning what they do for most other
	elements.

	also takes a boolean 'onlysections' whcih will restrict this to only
	have sections and not include groups

=cut	=cut

Line 2773 sub start_section {	Line 3072 sub start_section {
$paramHash->{'variable'} = $token->[2]{'variable'};	$paramHash->{'variable'} = $token->[2]{'variable'};
$helper->declareVar($paramHash->{'variable'});	$helper->declareVar($paramHash->{'variable'});
$paramHash->{'multichoice'} = $token->[2]{'multichoice'};	$paramHash->{'multichoice'} = $token->[2]{'multichoice'};
	$paramHash->{'allowempty'} = $token->[2]{'allowempty'};
if (defined($token->[2]{'nextstate'})) {	if (defined($token->[2]{'nextstate'})) {
$paramHash->{NEXTSTATE} = $token->[2]{'nextstate'};	$paramHash->{NEXTSTATE} = $token->[2]{'nextstate'};
}	}
Line 2792 sub start_section {	Line 3092 sub start_section {
}	}

for my $sectionName (sort(keys(%choices))) {	for my $sectionName (sort(keys(%choices))) {
	push @{$paramHash->{CHOICES}}, [$sectionName, $sectionName];
push @{$paramHash->{CHOICES}}, [$sectionName, $sectionName];	}
	return if ($token->[2]{'onlysections'});

	# add in groups to the end of the list
	my %curr_groups;
	if (&Apache::loncommon::coursegroups(\%curr_groups)) {
	foreach my $group_name (sort(keys(%curr_groups))) {
	push(@{$paramHash->{CHOICES}}, [$group_name, $group_name]);
	}
}	}
}	}

Line 2807 sub end_section {	Line 3115 sub end_section {
}	}
1;	1;

	package Apache::lonhelper::group;

	=pod

	=head2 Element: groupX<group, helper element>

	<group> allows the user to choose one or more groups from the current course.

	It takes the standard attributes "variable", "multichoice",
	"allowempty" and "nextstate", meaning what they do for most other
	elements.

	=cut

	no strict;
	@ISA = ("Apache::lonhelper::choices");
	use strict;

	BEGIN {
	&Apache::lonhelper::register('Apache::lonhelper::group',
	('group'));
	}

	sub new {
	my $ref = Apache::lonhelper::choices->new();
	bless($ref);
	}

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

	if ($target ne 'helper') {
	return '';
	}

	$paramHash->{CHOICES} = [];

	$paramHash->{'variable'} = $token->[2]{'variable'};
	$helper->declareVar($paramHash->{'variable'});
	$paramHash->{'multichoice'} = $token->[2]{'multichoice'};
	$paramHash->{'allowempty'} = $token->[2]{'allowempty'};
	if (defined($token->[2]{'nextstate'})) {
	$paramHash->{NEXTSTATE} = $token->[2]{'nextstate'};
	}

	# Populate the CHOICES element
	my %choices;

	my %curr_groups;
	if (&Apache::loncommon::coursegroups(\%curr_groups)) {
	foreach my $group_name (sort(keys(%curr_groups))) {
	push(@{$paramHash->{CHOICES}}, [$group_name, $group_name]);
	}
	}
	}

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

	if ($target ne 'helper') {
	return '';
	}
	Apache::lonhelper::group->new();
	}
	1;

package Apache::lonhelper::string;	package Apache::lonhelper::string;

=pod	=pod
Line 2870 sub render {	Line 3244 sub render {
my $result = '';	my $result = '';

if (defined $self->{ERROR_MSG}) {	if (defined $self->{ERROR_MSG}) {
$result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br /><br />';	$result .= '<p><font color="#FF0000">' . $self->{ERROR_MSG} . '</font></p>';
}	}

$result .= '<input type="string" name="' . $self->{'variable'} . '.forminput"';	$result .= '<input type="string" name="' . $self->{'variable'} . '.forminput"';
Line 2900 sub postprocess {	Line 3274 sub postprocess {

if (defined($self->{VALIDATOR})) {	if (defined($self->{VALIDATOR})) {
my $validator = eval($self->{VALIDATOR});	my $validator = eval($self->{VALIDATOR});
die 'Died during evaluation of evaulation code; Perl said: ' . $@ if $@;	die 'Died during evaluation of validator code; Perl said: ' . $@ if $@;
my $invalid = &$validator($helper, $state, $self, $self->getValue());	my $invalid = &$validator($helper, $state, $self, $self->getValue());
if ($invalid) {	if ($invalid) {
$self->{ERROR_MSG} = $invalid;	$self->{ERROR_MSG} = $invalid;
Line 2924 package Apache::lonhelper::general;	Line 3298 package Apache::lonhelper::general;
=head2 General-purpose tag: <exec>X<exec, helper tag>	=head2 General-purpose tag: <exec>X<exec, helper tag>

The contents of the exec tag are executed as Perl code, B<not> inside a	The contents of the exec tag are executed as Perl code, B<not> inside a
safe space, so the full range of $ENV and such is available. The code	safe space, so the full range of $env and such is available. The code
will be executed as a subroutine wrapped with the following code:	will be executed as a subroutine wrapped with the following code:

"sub { my $helper = shift; my $state = shift;" and	"sub { my $helper = shift; my $state = shift;" and
Line 2946 be able to call methods on it.	Line 3320 be able to call methods on it.
=cut	=cut

use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet;

BEGIN {	BEGIN {
&Apache::lonhelper::register('Apache::lonhelper::general',	&Apache::lonhelper::register('Apache::lonhelper::general',
Line 3077 no strict;	Line 3452 no strict;
@ISA = ("Apache::lonhelper::element");	@ISA = ("Apache::lonhelper::element");
use strict;	use strict;
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet;
BEGIN {	BEGIN {
&Apache::lonhelper::register('Apache::lonhelper::final',	&Apache::lonhelper::register('Apache::lonhelper::final',
('final', 'exitpage'));	('final', 'exitpage'));
Line 3172 sub render {	Line 3548 sub render {
my $targetURL = '';	my $targetURL = '';
my $finish=&mt('Finish');	my $finish=&mt('Finish');
if ($self->{'restartCourse'}) {	if ($self->{'restartCourse'}) {
my $actionURL = '/adm/roles';	$actionURL = '/adm/roles';
$targetURL = '/adm/menu';	$targetURL = '/adm/menu';
if ($ENV{'course.'.$ENV{'request.course.id'}.'.url'}=~/^uploaded/) {	if ($env{'course.'.$env{'request.course.id'}.'.url'}=~/^uploaded/) {
$targetURL = '/adm/coursedocs';	$targetURL = '/adm/coursedocs';
} else {	} else {
$targetURL = '/adm/navmaps';	$targetURL = '/adm/navmaps';
}	}
if ($ENV{'course.'.$ENV{'request.course.id'}.'.clonedfrom'}) {	if ($env{'course.'.$env{'request.course.id'}.'.clonedfrom'}) {
$targetURL = '/adm/parmset?overview=1';	$targetURL = '/adm/parmset?overview=1';
}	}
my $finish=&mt('Finish Course Initialization');	my $finish=&mt('Finish Course Initialization');
}	}
my $previous = HTML::Entities::encode(&mt("<- Previous"), '<>&"');	my $previous = HTML::Entities::encode(&mt("<- Previous"), '<>&"');
my $next = HTML::Entities::encode(&mt("Next ->"), '<>&"');	my $next = HTML::Entities::encode(&mt("Next ->"), '<>&"');
	my $target = " target='loncapaclient'";
	if (($env{'browser.interface'} eq 'textual') \|\|
	($env{'environment.remote'} eq 'off')) { $target=''; }
$result .= "<center>\n" .	$result .= "<center>\n" .
"<form action='".$actionURL."' method='post' target='loncapaclient'>\n" .	"<form action='".$actionURL."' method='post' $target>\n" .
"<input type='button' onclick='history.go(-1)' value='$previous' />" .	"<input type='button' onclick='history.go(-1)' value='$previous' />" .
"<input type='hidden' name='orgurl' value='$targetURL' />" .	"<input type='hidden' name='orgurl' value='$targetURL' />" .
"<input type='hidden' name='selectrole' value='1' />\n" .	"<input type='hidden' name='selectrole' value='1' />\n" .
"<input type='hidden' name='" . $ENV{'request.role'} .	"<input type='hidden' name='" . $env{'request.role'} .
"' value='1' />\n<input type='submit' value='" . $finish . "' />\n" .	"' value='1' />\n<input type='submit' value='" . $finish . "' />\n" .
"</form></center>";	"</form></center>";

Line 3215 no strict;	Line 3594 no strict;
@ISA = ('Apache::lonhelper::element');	@ISA = ('Apache::lonhelper::element');
use strict;	use strict;
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet;

BEGIN {	BEGIN {
&Apache::lonhelper::register('Apache::lonhelper::parmwizfinal',	&Apache::lonhelper::register('Apache::lonhelper::parmwizfinal',
Line 3256 sub render {	Line 3636 sub render {
'answer_date' => "0_answerdate",	'answer_date' => "0_answerdate",
'tries' => '0_maxtries',	'tries' => '0_maxtries',
'weight' => '0_weight' );	'weight' => '0_weight' );
	my %realParmName = ('open_date' => "opendate",
	'due_date' => "duedate",
	'answer_date' => "answerdate",
	'tries' => 'maxtries',
	'weight' => 'weight' );

my $affectedResourceId = "";	my $affectedResourceId = "";
my $parm_name = $parmTypeHash{$vars->{ACTION_TYPE}};	my $parm_name = $parmTypeHash{$vars->{ACTION_TYPE}};
Line 3267 sub render {	Line 3652 sub render {
# Print the granularity, depending on the action	# Print the granularity, depending on the action
if ($vars->{GRANULARITY} eq 'whole_course') {	if ($vars->{GRANULARITY} eq 'whole_course') {
$resourceString .= '<li>'.&mt('for <b>all resources in the course</b>').'</li>';	$resourceString .= '<li>'.&mt('for <b>all resources in the course</b>').'</li>';
$level = 9; # general course, see lonparmset.pm perldoc	if ($vars->{TARGETS} eq 'course') {
	$level = 11; # general course, see lonparmset.pm perldoc
	} elsif ($vars->{TARGETS} eq 'section') {
	$level = 6;
	} else {
	$level = 3;
	}
$affectedResourceId = "0.0";	$affectedResourceId = "0.0";
$symb = 'a';	$symb = 'a';
$paramlevel = 'general';	$paramlevel = 'general';
Line 3277 sub render {	Line 3668 sub render {
my $title = $res->compTitle();	my $title = $res->compTitle();
$symb = $res->symb();	$symb = $res->symb();
$resourceString .= '<li>'.&mt('for the map named [_1]',"<b>$title</b>").'</li>';	$resourceString .= '<li>'.&mt('for the map named [_1]',"<b>$title</b>").'</li>';
$level = 8;	if ($vars->{TARGETS} eq 'course') {
	$level = 10; # general course, see lonparmset.pm perldoc
	} elsif ($vars->{TARGETS} eq 'section') {
	$level = 5;
	} else {
	$level = 2;
	}
$affectedResourceId = $vars->{RESOURCE_ID};	$affectedResourceId = $vars->{RESOURCE_ID};
$paramlevel = 'map';	$paramlevel = 'map';
} else {	} else {
Line 3288 sub render {	Line 3685 sub render {
$symb = $res->symb();	$symb = $res->symb();
my $title = $res->compTitle();	my $title = $res->compTitle();
$resourceString .= '<li>'.&mt('for the resource named [_1] part [_2]',"<b>$title</b>","<b>$part</b>").'</li>';	$resourceString .= '<li>'.&mt('for the resource named [_1] part [_2]',"<b>$title</b>","<b>$part</b>").'</li>';
$level = 7;	if ($vars->{TARGETS} eq 'course') {
	$level = 7; # general course, see lonparmset.pm perldoc
	} elsif ($vars->{TARGETS} eq 'section') {
	$level = 4;
	} else {
	$level = 1;
	}
$affectedResourceId = $vars->{RESOURCE_ID};	$affectedResourceId = $vars->{RESOURCE_ID};
$paramlevel = 'full';	$paramlevel = 'full';
}	}

my $result = "<form name='helpform' method='get' action='/adm/parmset#$affectedResourceId&$parm_name&$level'>\n";	my $result = "<form name='helpform' method='POST' action='/adm/parmset#$affectedResourceId&$parm_name&$level'>\n";
	$result .= "<input type='hidden' name='action' value='settable' />\n";
	$result .= "<input type='hidden' name='dis' value='helper' />\n";
	$result .= "<input type='hidden' name='pscat' value='".
	$realParmName{$vars->{ACTION_TYPE}}."' />\n";
if ($vars->{GRANULARITY} eq 'resource') {	if ($vars->{GRANULARITY} eq 'resource') {
$result .= "<input type='hidden' name='symb' value='".	$result .= "<input type='hidden' name='symb' value='".
HTML::Entities::encode($symb,"'<>&\"") . "' />\n";	HTML::Entities::encode($symb,"'<>&\"") . "' />\n";
$result .= "<input type='hidden' name='pscat' value='".	} elsif ($vars->{GRANULARITY} eq 'map') {
HTML::Entities::encode($vars->{ACTION_TYPE},"'<>&\"") . "' />\n";	$result .= "<input type='hidden' name='pschp' value='".
my $part = $vars->{RESOURCE_ID_part};	$affectedResourceId."' />\n";
if ($part eq 'All Parts' \|\| !$part) { $part=0; }
$result .= "<input type='hidden' name='psprt' value='".
HTML::Entities::encode($part,"'<>&\"") . "' />\n";
}	}
	my $part = $vars->{RESOURCE_ID_part};
	if ($part eq 'All Parts' \|\| !$part) { $part=0; }
	$result .= "<input type='hidden' name='psprt' value='".
	HTML::Entities::encode($part,"'<>&\"") . "' />\n";

$result .= '<p>'.&mt('Confirm that this information is correct, then click "Finish Helper" to complete setting the parameter.').'<ul>';	$result .= '<p>'.&mt('Confirm that this information is correct, then click "Finish Helper" to complete setting the parameter.').'<ul>';

# Print the type of manipulation:	# Print the type of manipulation:
Line 3341 sub render {	Line 3750 sub render {
} elsif ($vars->{ACTION_TYPE} eq 'tries') {	} elsif ($vars->{ACTION_TYPE} eq 'tries') {
$result .= "<input type='hidden' name='pres_value' " .	$result .= "<input type='hidden' name='pres_value' " .
"value='" . $vars->{TRIES} . "' />\n";	"value='" . $vars->{TRIES} . "' />\n";
	$result .= "<input type='hidden' name='pres_type' " .
	"value='int_pos' />\n";
} elsif ($vars->{ACTION_TYPE} eq 'weight') {	} elsif ($vars->{ACTION_TYPE} eq 'weight') {
$result .= "<input type='hidden' name='pres_value' " .	$result .= "<input type='hidden' name='pres_value' " .
"value='" . $vars->{WEIGHT} . "' />\n";	"value='" . $vars->{WEIGHT} . "' />\n";
Line 3354 sub render {	Line 3765 sub render {
} elsif ($vars->{TARGETS} eq 'section') {	} elsif ($vars->{TARGETS} eq 'section') {
my $section = $vars->{SECTION_NAME};	my $section = $vars->{SECTION_NAME};
$result .= '<li>'.&mt('for section [_1]',"<b>$section</b>").'</li>';	$result .= '<li>'.&mt('for section [_1]',"<b>$section</b>").'</li>';
$level -= 3;	$result .= "<input type='hidden' name='csec' value='" .
$result .= "<input type='hidden' name='csec' value='" .
HTML::Entities::encode($section,"'<>&\"") . "' />\n";	HTML::Entities::encode($section,"'<>&\"") . "' />\n";
	} elsif ($vars->{TARGETS} eq 'group') {
	my $group = $vars->{GROUP_NAME};
	$result .= '<li>'.&mt('for group [_1]',"<b>$group</b>").'</li>';
	$result .= "<input type='hidden' name='cgroup' value='" .
	HTML::Entities::encode($group,"'<>&\"") . "' />\n";
} else {	} else {
# FIXME: This is probably wasteful! Store the name!	# FIXME: This is probably wasteful! Store the name!
my $classlist = Apache::loncoursedata::get_classlist();	my $classlist = Apache::loncoursedata::get_classlist();
my $username = $vars->{USER_NAME};	my ($uname,$udom)=split(':',$vars->{USER_NAME});
# Chop off everything after the last colon (section)	my $name = $classlist->{$uname.':'.$udom}->[6];
$username = substr($username, 0, rindex($username, ':'));
my $name = $classlist->{$username}->[6];
$result .= '<li>'.&mt('for [_1]',"<b>$name</b>").'</li>';	$result .= '<li>'.&mt('for [_1]',"<b>$name</b>").'</li>';
$level -= 6;
my ($uname, $udom) = split /:/, $vars->{USER_NAME};
$result .= "<input type='hidden' name='uname' value='".	$result .= "<input type='hidden' name='uname' value='".
HTML::Entities::encode($uname,"'<>&\"") . "' />\n";	HTML::Entities::encode($uname,"'<>&\"") . "' />\n";
$result .= "<input type='hidden' name='udom' value='".	$result .= "<input type='hidden' name='udom' value='".
Line 3384 sub render {	Line 3795 sub render {

# Make the table appear	# Make the table appear
$result .= "\n<input type='hidden' value='true' name='prevvisit' />";	$result .= "\n<input type='hidden' value='true' name='prevvisit' />";
$result .= "\n<input type='hidden' value='all' name='pschp' />";
$result .= "\n<input type='hidden' value='$symb' name='pssymb' />";	$result .= "\n<input type='hidden' value='$symb' name='pssymb' />";
$result .= "\n<input type='hidden' value='$paramlevel' name='parmlev' />";	$result .= "\n<input type='hidden' value='$paramlevel' name='parmlev' />";

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

Removed from v.1.95
changed lines
	Added in v.1.138