loncom/interface/lonhelper.pm - diff

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Diff for /loncom/interface/lonhelper.pm between versions 1.118 and 1.157

version 1.118, 2005/10/11 20:57:54	version 1.157, 2006/07/17 16:26:09
Line 183 use Apache::File;	Line 183 use Apache::File;
use Apache::lonxml;	use Apache::lonxml;
use Apache::lonlocal;	use Apache::lonlocal;
use Apache::lonnet;	use Apache::lonnet;
	use Apache::longroup;
	use Apache::lonselstudent;
	use LONCAPA;

# 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 361 use Apache::loncommon;	Line 364 use Apache::loncommon;
use Apache::File;	use Apache::File;
use Apache::lonlocal;	use Apache::lonlocal;
use Apache::lonnet;	use Apache::lonnet;
	use LONCAPA;

sub new {	sub new {
my $proto = shift;	my $proto = shift;
Line 466 sub _saveVars {	Line 470 sub _saveVars {
sub _varsInFile {	sub _varsInFile {
my $self = shift;	my $self = shift;
my @vars = ();	my @vars = ();
for my $key (keys %{$self->{VARS}}) {	for my $key (keys(%{$self->{VARS}})) {
push @vars, &Apache::lonnet::escape($key) . '=' .	push(@vars, &escape($key) . '=' . &escape($self->{VARS}->{$key}));
&Apache::lonnet::escape($self->{VARS}->{$key});
}	}
return join ('&', @vars);	return join ('&', @vars);
}	}
Line 483 sub declareVar {	Line 486 sub declareVar {
$self->{VARS}->{$var} = '';	$self->{VARS}->{$var} = '';
}	}

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}});
Line 573 sub display {	Line 576 sub display {
}	}

# Phase 4: Display.	# Phase 4: Display.
my $html=&Apache::lonxml::xmlbegin();
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;
$html
<head>
<title>$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 651 HEADER	Line 652 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 1023 sub postprocess {	Line 1023 sub postprocess {
}	}
1;	1;

	package Apache::lonhelper::skip;

	=pod

	=head1 Elements

	=head2 Element: skipX<skip>

	The <skip> tag allows you define conditions under which the current state
	should be skipped over and define what state to skip to.

	<state name="SKIP">
	<skip>
	<clause>
	#some code that decides whether to skip the state or not
	</clause>
	<nextstate>FINISH</nextstate>
	</skip>
	<message nextstate="FINISH">A possibly skipped state</message>
	</state>

	=cut

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

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

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

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

	if ($target ne 'helper') {
	return '';
	}
	# let <cluase> know what text to skip to
	$paramHash->{SKIPTAG}='/skip';
	return '';
	}

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

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

	sub render {
	my $self = shift;
	return '';
	}
	# If a NEXTSTATE is set, switch to it
	sub preprocess {
	my ($self) = @_;

	if (defined($self->{NEXTSTATE})) {
	$helper->changeState($self->{NEXTSTATE});
	}

	return 1;
	}

	1;

package Apache::lonhelper::choices;	package Apache::lonhelper::choices;

=pod	=pod
Line 1072 will be the state transistioned to if th	Line 1147 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 1162 sub start_choice {	Line 1247 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 1193 sub render {	Line 1280 sub render {
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];
if (ele.name == checkName + '.forminput') {	if (ele.name == checkName + '_forminput') {
document.forms.helpform.elements[i].checked=value;	document.forms.helpform.elements[i].checked=value;
}	}
}	}
Line 1266 BUTTONS	Line 1353 BUTTONS
foreach my $choice (@{$self->{CHOICES}}) {	foreach my $choice (@{$self->{CHOICES}}) {
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],"<>&\"'")
. "'";	. "'";
Line 1275 BUTTONS	Line 1362 BUTTONS
}	}
$result .= qq{id="id$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);
}	}
$result .= "/></td><td> ".qq{<label for="id$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 1294 BUTTONS	Line 1387 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 1316 sub postprocess {	Line 1409 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 1423 sub render {	Line 1520 sub render {
$checkedChoices{$self->{CHOICES}->[0]->[1]} = 1;	$checkedChoices{$self->{CHOICES}->[0]->[1]} = 1;
}	}

$result .= "<select name='${var}.forminput'>\n";	$result .= "<select name='${var}_forminput'>\n";
foreach my $choice (@{$self->{CHOICES}}) {	foreach my $choice (@{$self->{CHOICES}}) {
$result .= "<option value='" .	$result .= "<option value='" .
HTML::Entities::encode($choice->[1],"<>&\"'")	HTML::Entities::encode($choice->[1],"<>&\"'")
Line 1449 sub render {	Line 1546 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 1557 sub render {	Line 1654 sub render {
my $date;	my $date;

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

if (defined($self->{DEFAULT_VALUE})) {
	# 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});	my $valueFunc = eval($self->{DEFAULT_VALUE});
die('Error in default value code for variable ' .	die('Error in default value code for variable ' .
$self->{'variable'} . ', Perl said: ' . $@) if $@;	$self->{'variable'} . ', Perl said: ' . $@) if $@;
$time = &$valueFunc($helper, $self);	$time = &$valueFunc($helper, $self);
if (lc($time) eq 'anytime') { $time=time; $anytime=1; }	if (lc($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);
	}

	if ($anytime) {
	$onclick = "onclick=\"javascript:updateCheck(this.form,'${var}anytime',false)\"";
}	}
# Default date: The current hour.	# Default date: The current hour.
$date = localtime($time);
$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 1576 sub render {	Line 1696 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='selected'>";	$result .= "<option value='$i' selected='selected'>";
Line 1588 sub render {	Line 1708 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="selected">';	$result .= '<option selected="selected">';
Line 1600 sub render {	Line 1720 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='selected'>";	$result .= "<option selected='selected'>";
Line 1617 sub render {	Line 1737 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="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++) {
Line 1640 sub render {	Line 1760 sub render {

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

$result .= "<select name='${var}minute'>\n";	$result .= "<select $onclick name='${var}minute'>\n";
for my $i ((0,15,30,45,59,undef,1..59)) {	my $selected=0;
	for my $i ((0,15,30,45,59,undef,0..59)) {
my $printedMinute = $i;	my $printedMinute = $i;
if (defined($i) && $i < 10) {	if (defined($i) && $i < 10) {
$printedMinute = "0" . $printedMinute;	$printedMinute = "0" . $printedMinute;
}	}
if ($date->min == $i) {	if (!$selected && $date->min == $i) {
$result .= "<option selected='selected'>";	$result .= "<option selected='selected'>";
	$selected=1;
} else {	} else {
$result .= "<option>";	$result .= "<option>";
}	}
Line 1656 sub render {	Line 1778 sub render {
$result .= "</select>\n";	$result .= "</select>\n";
}	}
if ($self->{'anytime'}) {	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' ";	$result.=" or <label><input type='checkbox' ";
if ($anytime) {	if ($anytime) {
$result.=' checked="checked" '	$result.=' checked="checked" '
}	}
$result.="name='${var}anytime'/>".&mt('Anytime').'</label>'	$result.="name='${var}anytime'/>".&mt('Any time').'</label>'
}	}
return $result;	return $result;

Line 1707 sub postprocess {	Line 1839 sub postprocess {
$helper->{VARS}->{$var} = $chosenDate;	$helper->{VARS}->{$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 1957 sub render {	Line 2099 sub render {
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];
if (ele.name == checkName + '.forminput') {	if (ele.name == checkName + '_forminput') {
document.forms.helpform.elements[i].checked=value;	document.forms.helpform.elements[i].checked=value;
}	}
}	}
Line 2002 BUTTONS	Line 2144 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
Line 2044 BUTTONS	Line 2198 BUTTONS
}	}
$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 . "' $checked /> </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='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' ";	}
$checked = 1;	} else {
	if (!$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 2070 BUTTONS	Line 2232 BUTTONS
my $resource_name =	my $resource_name =
&HTML::Entities::encode(&$valueFunc($resource),"<>&\"'");	&HTML::Entities::encode(&$valueFunc($resource),"<>&\"'");
if ($addparts && (scalar(@{$resource->parts}) > 1)) {	if ($addparts && (scalar(@{$resource->parts}) > 1)) {
$col .= "<select onclick=\"javascript:updateRadio(this.form,'${var}.forminput','$resource_name');updateHidden(this.form,'$id','${var}');\" name='part_$id.forminput'>\n";	$col .= "<select onclick=\"javascript:updateRadio(this.form,'${var}_forminput','$resource_name');updateHidden(this.form,'$id','${var}');\" name='part_${id}_forminput'>\n";
$col .= "<option value=\"$part\">All Parts</option>\n";	$col .= "<option value=\"$part\">All Parts</option>\n";
foreach my $part (@{$resource->parts}) {	foreach my $part (@{$resource->parts}) {
$col .= "<option value=\"$part\">Part: $part</option>\n";	$col .= "<option value=\"$part\">Part: $part</option>\n";
Line 2092 BUTTONS	Line 2254 BUTTONS
}	}
}	}
function updateHidden(form,id,name) {	function updateHidden(form,id,name) {
var select=form['part_'+id+'.forminput'];	var select=form['part_'+id+'_forminput'];
var hidden=form[name+'_part.forminput'];	var hidden=form[name+'_part_forminput'];
var which=select.selectedIndex;	var which=select.selectedIndex;
hidden.value=select.options[which].value;	hidden.value=select.options[which].value;
}	}
// -->	// -->
</script>	</script>
<input type="hidden" name="${var}_part.forminput" />	<input type="hidden" name="${var}_part_forminput" />

RADIO	RADIO
$env{'form.condition'} = !$self->{'toponly'};	$env{'form.condition'} = !$self->{'toponly'};
Line 2174 selection. Defaults to false.	Line 2336 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 2209 sub start_student {	Line 2375 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 2227 sub render {	Line 2394 sub render {
my $buttons = '';	my $buttons = '';
my $var = $self->{'variable'};	my $var = $self->{'variable'};

if ($self->{'multichoice'}) {
$result = <<SCRIPT;	if (defined $self->{ERROR_MSG}) {
<script type="text/javascript">	$result .= '<font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br /><br />';
// <!--
function checkall(value, checkName) {
for (i=0; i<document.forms.helpform.elements.length; i++) {
ele = document.forms.helpform.elements[i];
if (ele.name == checkName + '.forminput') {
document.forms.helpform.elements[i].checked=value;
}
}
}
function checksec(value) {
for (i=0; i<document.forms.helpform.elements.length; i++) {
comp = document.forms.helpform.elements.chksec.value;
if (document.forms.helpform.elements[i].value.indexOf(':'+comp+':') != -1) {
if (document.forms.helpform.elements[i].value.indexOf(':Active') != -1) {
document.forms.helpform.elements[i].checked=value;
}
}
}
}
function checkactive() {
for (i=0; i<document.forms.helpform.elements.length; i++) {
if (document.forms.helpform.elements[i].value.indexOf(':Active') != -1) {
document.forms.helpform.elements[i].checked=true;
}
}
}
function uncheckexpired() {
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=false;
}
}
}
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.	my %defaultUsers;
numSections = document.forms.helpform.chosensections.length;	if (defined($self->{DEFAULT_VALUE})) {
desiredState = getDesiredState();	my $valueFunc = eval($self->{DEFAULT_VALUE});
	die 'Error in default value code for variable ' .
for (var option = 0; option < numSections; option++) {	$self->{'variable'} . ', Perl said: ' . $@ if $@;
if(document.forms.helpform.chosensections.options[option].selected) {	my @defaultUsers = &$valueFunc($helper, $self);
section = document.forms.helpform.chosensections.options[option].text;	if (!$self->{'multichoice'} && @defaultUsers) { # only allowed 1
if (section == "none") {	@defaultUsers = ($defaultUsers[0]);
section ="";
}
for (i = 0; i < document.forms.helpform.elements.length; i++ ) {
if (document.forms.helpform.elements[i].value.indexOf(':') != -1) {
info = document.forms.helpform.elements[i].value.split(':');
hisSection = info[2];
hisState = info[4];
if (desiredState == hisState \|\|
desiredState == "All") {
if(hisSection == section \|\|
section =="" ) {
document.forms.helpform.elements[i].checked = value;
}
}
}
}
}
}	}
}	%defaultUsers = map { if ($_) {($_,1) } } @defaultUsers;
// -->	delete($defaultUsers{''});
</script>
SCRIPT

my %lt=&Apache::lonlocal::texthash(
'ocs' => "Select Only Current Students",
'ues' => "Unselect Expired Students",
'sas' => "Select All Students",
'uas' => "Unselect All Students",
'sfsg' => "Select Current Students for Section/Group",
'ufsg' => "Unselect for Section/Group");

$buttons = <<BUTTONS;
<br />
<table>

<tr>
<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>
</tr>

</table>
<br />
BUTTONS
}	}

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

my $choices = [];	my ($course_personnel,
	$current_members,
	$expired_members,
	$future_members) =
	&Apache::lonselstudent::get_people_in_class($env{'request.course.sec'});



# Load up the non-students, if necessary	# Load up the non-students, if necessary

if ($self->{'coursepersonnel'}) {	if ($self->{'coursepersonnel'}) {
my %coursepersonnel = Apache::lonnet::get_course_adv_roles();	unshift @$current_members, (@$course_personnel);
for (sort keys %coursepersonnel) {
for my $role (split /,/, $coursepersonnel{$_}) {
# extract the names so we can sort them
my @people;

for (split /,/, $role) {
push @people, [split /:/, $role];
}

@people = sort { $a->[0] cmp $b->[0] } @people;

for my $person (@people) {
push @$choices, [join(':', @$person), $person->[0], '', $_];
}
}
}
}	}

# Constants
my $section = Apache::loncoursedata::CL_SECTION();
my $fullname = Apache::loncoursedata::CL_FULLNAME();
my $status = Apache::loncoursedata::CL_STATUS();

# Load up the students	# Current personel
my $classlist = &Apache::loncoursedata::get_classlist();
my @keys = keys %{$classlist};
# Sort by: Section, name
@keys = sort {
if ($classlist->{$a}->[$section] ne $classlist->{$b}->[$section]) {
return $classlist->{$a}->[$section] cmp $classlist->{$b}->[$section];
}
return $classlist->{$a}->[$fullname] cmp $classlist->{$b}->[$fullname];
} @keys;

# username, fullname, section, type
for (@keys) {
# Filter out inactive students if we've set "activeonly"
if (!$self->{'activeonly'} \|\| $classlist->{$_}->[$status] eq
'Active') {
push @$choices, [$_, $classlist->{$_}->[$fullname],
$classlist->{$_}->[$section],
$classlist->{$_}->[$status], 'Student'];
}
}

my $name = $self->{'coursepersonnel'} ? &mt('Name') : &mt('Student Name');	$result .= '<h4>Select Currently Enrolled Students and Active Course Personnel</h4>';
my $type = 'radio';	$result .= &Apache::lonselstudent::render_student_list( $current_members,
if ($self->{'multichoice'}) { $type = 'checkbox'; }	"helpform",
$result .= "<table cellspacing='2' cellpadding='2' border='0'>\n";	"current",
$result .= "<tr><td></td><td align='center'><b>$name</b></td>".	\%defaultUsers,
"<td align='center'><b>" . &mt('Section') . "</b></td>" .	$self->{'multichoice'},
"<td align='center'><b>".&mt('Status')."</b></td>" .	$self->{'variable'},
"<td align='center'><b>" . &mt("Role") . "</b></td>" .	1);
"<td align='center'><b>".&mt('Username').":".&mt('Domain')."</b></td></tr>";

my $checked = 0;
for my $choice (@$choices) {
$result .= "<tr><td><input type='$type' name='" .
$self->{'variable'} . '.forminput' . "'";

if (!$self->{'multichoice'} && !$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\n";	# If activeonly is not set then we can also give the expired students:
$result .= $buttons;
#	#
# now add the fancy section choice... first enumerate the sections:	if (!$self->{'activeonly'} && ((scalar @$expired_members) > 0)) {
if ($self->{'multichoice'}) {
my %sections;	# And future.
for my $key (@keys) {
my $section_name = $classlist->{$key}->[$section];	$result .= '<h4>Select Future Enrolled Students and Future Course Personnel</h4>';
if ($section_name ne "") {
$sections{$section_name} = 1;	$result .= &Apache::lonselstudent::render_student_list( $future_members,
}	"helpform",
}	"future",
# The variable $choice_widget will have the html to make the choice	\%defaultUsers,
# selector.	$self->{'multichoice'},
my $size=5;	$self->{'variable'},
if (scalar(keys(%sections)) < 5) {	0);
$size=scalar(keys(%sections));	# Past
}
my $choice_widget = '<select multiple name="chosensections" size="'.$size.'">'."\n";	$result .= '<h4>Select Previously Enrolled Students and Inactive Course Personnel</h4>';
foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {	$result .= &Apache::lonselstudent::render_student_list($expired_members,
$choice_widget .= "<option name=\"$sec\">$sec</option>\n";	"helpform",
}	"past",
$choice_widget .= "<option>none</option></select>\n";	\%defaultUsers,
	$self->{'multichoice'},
# Build a table without any borders to contain the section based	$self->{'variable'},
# selection:	0);

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;
}	}



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 2649 sub render {	Line 2660 sub render {
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];
if (ele.name == checkName + '.forminput') {	if (ele.name == checkName + '_forminput') {
document.forms.helpform.elements[i].checked=value;	document.forms.helpform.elements[i].checked=value;
}	}
}	}
Line 2766 BUTTONS	Line 2777 BUTTONS
my $id = &new_id();	my $id = &new_id();
$result .= '<tr><td align="right"' . " bgcolor='$color'>" .	$result .= '<tr><td align="right"' . " bgcolor='$color'>" .
"<input $onclick type='$type' name='" . $var	"<input $onclick type='$type' name='" . $var
. ".forminput' ".qq{id="$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="checked"';	$result .= ' checked="checked"';
Line 2827 sub fileState {	Line 2838 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 2852 package Apache::lonhelper::section;	Line 2863 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 2883 sub start_section {	Line 2898 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 2892 sub start_section {	Line 2908 sub start_section {

my $section = Apache::loncoursedata::CL_SECTION();	my $section = Apache::loncoursedata::CL_SECTION();
my $classlist = Apache::loncoursedata::get_classlist();	my $classlist = Apache::loncoursedata::get_classlist();
foreach (keys %$classlist) {	foreach my $user (keys(%$classlist)) {
my $sectionName = $classlist->{$_}->[$section];	my $section_name = $classlist->{$user}[$section];
if (!$sectionName) {	if (!$section_name) {
$choices{"No section assigned"} = "";	$choices{"No section assigned"} = "";
} else {	} else {
$choices{$sectionName} = $sectionName;	$choices{$section_name} = $section_name;
}	}
}	}

for my $sectionName (sort(keys(%choices))) {	if (exists($choices{"No section assigned"})) {
	push(@{$paramHash->{CHOICES}},
push @{$paramHash->{CHOICES}}, [$sectionName, $sectionName];	['No section assigned','No section assigned']);
	delete($choices{"No section assigned"});
	}
	for my $section_name (sort {lc($a) cmp lc($b) } (keys(%choices))) {
	push @{$paramHash->{CHOICES}}, [$section_name, $section_name];
	}
	return if ($token->[2]{'onlysections'});

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

Line 2917 sub end_section {	Line 2944 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 = &Apache::longroup::coursegroups();
	foreach my $group_name (sort {lc($a) cmp lc($b)} (keys(%curr_groups))) {
	push(@{$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 2983 sub render {	Line 3074 sub render {
$result .= '<p><font color="#FF0000">' . $self->{ERROR_MSG} . '</font></p>';	$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"';

if (defined($self->{'size'})) {	if (defined($self->{'size'})) {
$result .= ' size="' . $self->{'size'} . '"';	$result .= ' size="' . $self->{'size'} . '"';
Line 3010 sub postprocess {	Line 3101 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 3116 sub start_clause {	Line 3207 sub start_clause {
die 'Error in clause of condition, Perl said: ' . $@ if $@;	die 'Error in clause of condition, Perl said: ' . $@ if $@;
if (!&$clause($helper, $paramHash)) {	if (!&$clause($helper, $paramHash)) {
# Discard all text until the /condition.	# Discard all text until the /condition.
&Apache::lonxml::get_all_text('/condition', $parser);	my $end_tag = $paramHash->{SKIPTAG} \|\| '/condition';
	&Apache::lonxml::get_all_text($end_tag, $parser);
}	}
}	}

Line 3298 sub render {	Line 3390 sub render {
}	}
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='$targetURL' />" .
"<input type='hidden' name='selectrole' value='1' />\n" .	"<input type='hidden' name='selectrole' value='1' />\n" .
Line 3386 sub render {	Line 3481 sub render {
if ($vars->{GRANULARITY} eq 'whole_course') {	if ($vars->{GRANULARITY} eq 'whole_course') {
$resourceString .= '<li>'.&mt('for <b>all resources in the course</b>').'</li>';	$resourceString .= '<li>'.&mt('for <b>all resources in the course</b>').'</li>';
if ($vars->{TARGETS} eq 'course') {	if ($vars->{TARGETS} eq 'course') {
$level = 11; # general course, see lonparmset.pm perldoc	$level = 14; # general course, see lonparmset.pm perldoc
} elsif ($vars->{TARGETS} eq 'section') {	} elsif ($vars->{TARGETS} eq 'section') {
	$level = 9;
	} elsif ($vars->{TARGETS} eq 'group') {
$level = 6;	$level = 6;
} else {	} else {
$level = 3;	$level = 3;
Line 3402 sub render {	Line 3499 sub render {
$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>';
if ($vars->{TARGETS} eq 'course') {	if ($vars->{TARGETS} eq 'course') {
$level = 10; # general course, see lonparmset.pm perldoc	$level = 13; # general course, see lonparmset.pm perldoc
} elsif ($vars->{TARGETS} eq 'section') {	} elsif ($vars->{TARGETS} eq 'section') {
	$level = 8;
	} elsif ($vars->{TARGETS} eq 'group') {
$level = 5;	$level = 5;
} else {	} else {
$level = 2;	$level = 2;
Line 3419 sub render {	Line 3518 sub render {
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>$part</b>").'</li>';
if ($vars->{TARGETS} eq 'course') {	if ($vars->{TARGETS} eq 'course') {
$level = 7; # general course, see lonparmset.pm perldoc	$level = 10; # general course, see lonparmset.pm perldoc
} elsif ($vars->{TARGETS} eq 'section') {	} elsif ($vars->{TARGETS} eq 'section') {
	$level = 7;
	} elsif ($vars->{TARGETS} eq 'group') {
$level = 4;	$level = 4;
} else {	} else {
$level = 1;	$level = 1;
Line 3500 sub render {	Line 3601 sub render {
$result .= '<li>'.&mt('for section [_1]',"<b>$section</b>").'</li>';	$result .= '<li>'.&mt('for section [_1]',"<b>$section</b>").'</li>';
$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();

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

Removed from v.1.118
changed lines
	Added in v.1.157