loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.587 and 1.692.2.4

version 1.587, 2007/09/24 23:29:53	version 1.692.2.4, 2008/12/14 04:22:39
Line 61 use POSIX qw(strftime mktime);	Line 61 use POSIX qw(strftime mktime);
use Apache::lonmenu();	use Apache::lonmenu();
use Apache::lonenc();	use Apache::lonenc();
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonnet();
use HTML::Entities;	use HTML::Entities;
use Apache::lonhtmlcommon();	use Apache::lonhtmlcommon();
use Apache::loncoursedata();	use Apache::loncoursedata();
use Apache::lontexconvert();	use Apache::lontexconvert();
use Apache::lonclonecourse();	use Apache::lonclonecourse();
use LONCAPA qw(:DEFAULT :match);	use LONCAPA qw(:DEFAULT :match);
	use DateTime::TimeZone;
	use DateTime::Locale::Catalog;

# ---------------------------------------------- Designs	# ---------------------------------------------- Designs
use vars qw(%defaultdesign);	use vars qw(%defaultdesign);
Line 78 my $readit;	Line 81 my $readit;
## Global Variables	## Global Variables
##	##


	# ----------------------------------------------- SSI with retries:
	#

	=pod

	=head1 Server Side include with retries:

	=over 4

	=item * &ssi_with_retries(resource,retries form)

	Performs an ssi with some number of retries. Retries continue either
	until the result is ok or until the retry count supplied by the
	caller is exhausted.

	Inputs:

	=over 4

	resource - Identifies the resource to insert.

	retries - Count of the number of retries allowed.

	form - Hash that identifies the rendering options.

	=back

	Returns:

	=over 4

	content - The content of the response. If retries were exhausted this is empty.

	response - The response from the last attempt (which may or may not have been successful.

	=back

	=back

	=cut

	sub ssi_with_retries {
	my ($resource, $retries, %form) = @_;


	my $ok = 0; # True if we got a good response.
	my $content;
	my $response;

	# Try to get the ssi done. within the retries count:

	do {
	($content, $response) = &Apache::lonnet::ssi($resource, %form);
	$ok = $response->is_success;
	if (!$ok) {
	&Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);
	}
	$retries--;
	} while (!$ok && ($retries > 0));

	if (!$ok) {
	$content = ''; # On error return an empty content.
	}
	return ($content, $response);

	}



# ----------------------------------------------- Filetypes/Languages/Copyright	# ----------------------------------------------- Filetypes/Languages/Copyright
my %language;	my %language;
my %supported_language;	my %supported_language;
Line 214 BEGIN {	Line 287 BEGIN {

=over 4	=over 4

=item * browser_and_searcher_javascript ()	=item * &browser_and_searcher_javascript()

X<browsing, javascript>X<searching, javascript>Returns a string	X<browsing, javascript>X<searching, javascript>Returns a string
containing javascript with two functions, C<openbrowser> and	containing javascript with two functions, C<openbrowser> and
C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>	C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
tags.	tags.

=item * openbrowser(formname,elementname,only,omit) [javascript]	=item * &openbrowser(formname,elementname,only,omit) [javascript]

inputs: formname, elementname, only, omit	inputs: formname, elementname, only, omit

Line 234 with the given extension. Can be a comm	Line 307 with the given extension. Can be a comm
Specifying 'omit' will restrict the browser to NOT displaying files	Specifying 'omit' will restrict the browser to NOT displaying files
with the given extension. Can be a comma separated list.	with the given extension. Can be a comma separated list.

=item * opensearcher(formname, elementname) [javascript]	=item * &opensearcher(formname,elementname) [javascript]

Inputs: formname, elementname	Inputs: formname, elementname

Line 257 sub browser_and_searcher_javascript {	Line 330 sub browser_and_searcher_javascript {
}	}
url += 'catalogmode=interactive&';	url += 'catalogmode=interactive&';
url += 'mode=$mode&';	url += 'mode=$mode&';
	url += 'inhibitmenu=yes&';
url += 'form=' + formname + '&';	url += 'form=' + formname + '&';
if (only != null) {	if (only != null) {
url += 'only=' + only + '&';	url += 'only=' + only + '&';
Line 318 sub storeresurl {	Line 392 sub storeresurl {
unless ($resurl=~/^\/res/) { return 0; }	unless ($resurl=~/^\/res/) { return 0; }
$resurl=~s/\/$//;	$resurl=~s/\/$//;
&Apache::lonnet::put('environment',{'lastresurl' => $resurl});	&Apache::lonnet::put('environment',{'lastresurl' => $resurl});
&Apache::lonnet::appenv('environment.lastresurl' => $resurl);	&Apache::lonnet::appenv({'environment.lastresurl' => $resurl});
return 1;	return 1;
}	}

Line 367 sub selectstudent_link {	Line 441 sub selectstudent_link {
return '';	return '';
}	}
return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.	return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
'","'.$udomele.'","","1");'."'>".&mt('Select User')."</a>";	'","'.$udomele.'");'."'>".&mt('Select User')."</a>";
}	}
if ($env{'request.role'}=~/^(au\|dc\|su)/) {	if ($env{'request.role'}=~/^(au\|dc\|su)/) {
return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.	return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
Line 376 sub selectstudent_link {	Line 450 sub selectstudent_link {
return '';	return '';
}	}

	sub authorbrowser_javascript {
	return <<"ENDAUTHORBRW";
	<script type="text/javascript">
	var stdeditbrowser;

	function openauthorbrowser(formname,udom) {
	var url = '/adm/pickauthor?';
	url += 'form='+formname+'&roledom='+udom;
	var title = 'Author_Browser';
	var options = 'scrollbars=1,resizable=1,menubar=0';
	options += ',width=700,height=600';
	stdeditbrowser = open(url,title,options,'1');
	stdeditbrowser.focus();
	}

	</script>
	ENDAUTHORBRW
	}

sub coursebrowser_javascript {	sub coursebrowser_javascript {
my ($domainfilter,$sec_element,$formname)=@_;	my ($domainfilter,$sec_element,$formname)=@_;
my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');	my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
Line 407 sub coursebrowser_javascript {	Line 500 sub coursebrowser_javascript {
'&cdomelement='+udom+	'&cdomelement='+udom+
'&cnameelement='+desc;	'&cnameelement='+desc;
if (extra_element !=null && extra_element != '') {	if (extra_element !=null && extra_element != '') {
if (formname == 'rolechoice') {	if (formname == 'rolechoice' \|\| formname == 'studentform') {
url += '&roleelement='+extra_element;	url += '&roleelement='+extra_element;
if (domainfilter == null \|\| domainfilter == '') {	if (domainfilter == null \|\| domainfilter == '') {
url += '&domainfilter='+extra_element;	url += '&domainfilter='+extra_element;
Line 471 sub setsec_javascript {	Line 564 sub setsec_javascript {
my ($sec_element,$formname) = @_;	my ($sec_element,$formname) = @_;
my $setsections = qq\|	my $setsections = qq\|
function setSect(sectionlist) {	function setSect(sectionlist) {
var sectionsArray = sectionlist.split(",");	var sectionsArray = new Array();
	if ((sectionlist != '') && (typeof sectionlist != "undefined")) {
	sectionsArray = sectionlist.split(",");
	}
var numSections = sectionsArray.length;	var numSections = sectionsArray.length;
document.$formname.$sec_element.length = 0;	document.$formname.$sec_element.length = 0;
if (numSections == 0) {	if (numSections == 0) {
Line 510 sub selectcourse_link {	Line 606 sub selectcourse_link {
'","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";	'","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
}	}

	sub selectauthor_link {
	my ($form,$udom)=@_;
	return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'.
	&mt('Select Author').'</a>';
	}

sub check_uncheck_jscript {	sub check_uncheck_jscript {
my $jscript = <<"ENDSCRT";	my $jscript = <<"ENDSCRT";
function checkAll(field) {	function checkAll(field) {
Line 535 ENDSCRT	Line 637 ENDSCRT
return $jscript;	return $jscript;
}	}

	sub select_timezone {
	my ($name,$selected,$onchange,$includeempty)=@_;
	my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
	if ($includeempty) {
	$output .= '<option value=""';
	if (($selected eq '') \|\| ($selected eq 'local')) {
	$output .= ' selected="selected" ';
	}
	$output .= '> </option>';
	}
	my @timezones = DateTime::TimeZone->all_names;
	foreach my $tzone (@timezones) {
	$output.= '<option value="'.$tzone.'"';
	if ($tzone eq $selected) {
	$output.=' selected="selected"';
	}
	$output.=">$tzone</option>\n";
	}
	$output.="</select>";
	return $output;
	}

	sub select_datelocale {
	my ($name,$selected,$onchange,$includeempty)=@_;
	my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
	if ($includeempty) {
	$output .= '<option value=""';
	if ($selected eq '') {
	$output .= ' selected="selected" ';
	}
	$output .= '> </option>';
	}
	my (@possibles,%locale_names);
	my @locales = DateTime::Locale::Catalog::Locales;
	foreach my $locale (@locales) {
	if (ref($locale) eq 'HASH') {
	my $id = $locale->{'id'};
	if ($id ne '') {
	my $en_terr = $locale->{'en_territory'};
	my $native_terr = $locale->{'native_territory'};
	my @languages = &Apache::lonlocal::preferred_languages();
	if (grep(/^en$/,@languages) \|\| !@languages) {
	if ($en_terr ne '') {
	$locale_names{$id} = '('.$en_terr.')';
	} elsif ($native_terr ne '') {
	$locale_names{$id} = $native_terr;
	}
	} else {
	if ($native_terr ne '') {
	$locale_names{$id} = $native_terr.' ';
	} elsif ($en_terr ne '') {
	$locale_names{$id} = '('.$en_terr.')';
	}
	}
	push (@possibles,$id);
	}
	}
	}
	foreach my $item (sort(@possibles)) {
	$output.= '<option value="'.$item.'"';
	if ($item eq $selected) {
	$output.=' selected="selected"';
	}
	$output.=">$item";
	if ($locale_names{$item} ne '') {
	$output.=" $locale_names{$item}</option>\n";
	}
	$output.="</option>\n";
	}
	$output.="</select>";
	return $output;
	}

=pod	=pod

=item * linked_select_forms(...)	=item * &linked_select_forms(...)

linked_select_forms returns a string containing a <script></script> block	linked_select_forms returns a string containing a <script></script> block
and html for two <select> menus. The select menus will be linked in that	and html for two <select> menus. The select menus will be linked in that
changing the value of the first menu will result in new values being placed	changing the value of the first menu will result in new values being placed
in the second menu. The values in the select menu will appear in alphabetical	in the second menu. The values in the select menu will appear in alphabetical
order.	order unless a defined order is provided.

linked_select_forms takes the following ordered inputs:	linked_select_forms takes the following ordered inputs:

Line 562 linked_select_forms takes the following	Line 736 linked_select_forms takes the following

=item * $hashref, a reference to a hash containing the data for the menus.	=item * $hashref, a reference to a hash containing the data for the menus.

	=item * $menuorder, the order of values in the first menu

=back	=back

Below is an example of such a hash. Only the 'text', 'default', and	Below is an example of such a hash. Only the 'text', 'default', and
Line 578 $menu{$choice1}->{'select2'}.	Line 754 $menu{$choice1}->{'select2'}.
B2 => "Choice B2",	B2 => "Choice B2",
B3 => "Choice B3",	B3 => "Choice B3",
B4 => "Choice B4"	B4 => "Choice B4"
}	},
	order => ['B4','B3','B1','B2'],
},	},
A2 => { text =>"Choice A2" ,	A2 => { text =>"Choice A2" ,
default => "C2",	default => "C2",
Line 586 $menu{$choice1}->{'select2'}.	Line 763 $menu{$choice1}->{'select2'}.
C1 => "Choice C1",	C1 => "Choice C1",
C2 => "Choice C2",	C2 => "Choice C2",
C3 => "Choice C3"	C3 => "Choice C3"
}	},
	order => ['C2','C1','C3'],
},	},
A3 => { text =>"Choice A3" ,	A3 => { text =>"Choice A3" ,
default => "D6",	default => "D6",
Line 598 $menu{$choice1}->{'select2'}.	Line 776 $menu{$choice1}->{'select2'}.
D5 => "Choice D5",	D5 => "Choice D5",
D6 => "Choice D6",	D6 => "Choice D6",
D7 => "Choice D7"	D7 => "Choice D7"
}	},
	order => ['D4','D3','D2','D1','D7','D6','D5'],
}	}
);	);

Line 610 sub linked_select_forms {	Line 789 sub linked_select_forms {
$firstdefault,	$firstdefault,
$firstselectname,	$firstselectname,
$secondselectname,	$secondselectname,
$hashref	$hashref,
	$menuorder,
) = @_;	) = @_;
my $second = "document.$formname.$secondselectname";	my $second = "document.$formname.$secondselectname";
my $first = "document.$formname.$firstselectname";	my $first = "document.$formname.$firstselectname";
Line 624 sub linked_select_forms {	Line 804 sub linked_select_forms {
$result.="select2data.d_$s1 = new Object();\n";	$result.="select2data.d_$s1 = new Object();\n";
$result.="select2data.d_$s1.def = new String('".	$result.="select2data.d_$s1.def = new String('".
$hashref->{$s1}->{'default'}."');\n";	$hashref->{$s1}->{'default'}."');\n";
$result.="select2data.d_$s1.values = new Array(";	$result.="select2data.d_$s1.values = new Array(";
my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));	my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
	if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {
	@s2values = @{$hashref->{$s1}->{'order'}};
	}
$result.="\"@s2values\");\n";	$result.="\"@s2values\");\n";
$result.="select2data.d_$s1.texts = new Array(";	$result.="select2data.d_$s1.texts = new Array(";
my @s2texts;	my @s2texts;
Line 663 function select1_changed() {	Line 846 function select1_changed() {
END	END
# output the initial values for the selection lists	# output the initial values for the selection lists
$result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";	$result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
foreach my $value (sort(keys(%$hashref))) {	my @order = sort(keys(%{$hashref}));
	if (ref($menuorder) eq 'ARRAY') {
	@order = @{$menuorder};
	}
	foreach my $value (@order) {
$result.=" <option value=\"$value\" ";	$result.=" <option value=\"$value\" ";
$result.=" selected=\"selected\" " if ($value eq $firstdefault);	$result.=" selected=\"selected\" " if ($value eq $firstdefault);
$result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";	$result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
Line 673 END	Line 860 END
$result .= $middletext;	$result .= $middletext;
$result .= "<select size=\"1\" name=\"$secondselectname\">\n";	$result .= "<select size=\"1\" name=\"$secondselectname\">\n";
my $seconddefault = $hashref->{$firstdefault}->{'default'};	my $seconddefault = $hashref->{$firstdefault}->{'default'};
foreach my $value (sort(keys(%select2))) {
	my @secondorder = sort(keys(%select2));
	if (ref($hashref->{$firstdefault}->{'order'}) eq 'ARRAY') {
	@secondorder = @{$hashref->{$firstdefault}->{'order'}};
	}
	foreach my $value (@secondorder) {
$result.=" <option value=\"$value\" ";	$result.=" <option value=\"$value\" ";
$result.=" selected=\"selected\" " if ($value eq $seconddefault);	$result.=" selected=\"selected\" " if ($value eq $seconddefault);
$result.=">".&mt($select2{$value})."</option>\n";	$result.=">".&mt($select2{$value})."</option>\n";
Line 685 END	Line 877 END

=pod	=pod

=item * help_open_topic($topic, $text, $stayOnPage, $width, $height)	=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)

Returns a string corresponding to an HTML link to the given help	Returns a string corresponding to an HTML link to the given help
$topic, where $topic corresponds to the name of a .tex file in	$topic, where $topic corresponds to the name of a .tex file in
Line 734 sub help_open_topic {	Line 926 sub help_open_topic {
if ($text ne "") {	if ($text ne "") {
$template .=	$template .=
"<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".	"<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
"<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";	"<td bgcolor='#5555FF'><span class=\"LC_nobreak\"><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
}	}

# Add the graphic	# Add the graphic
my $title = &mt('Online Help');	my $title = &mt('Online Help');
my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");	my $helpicon=&lonhttpdurl("/adm/help/help.png");
$template .= <<"ENDTEMPLATE";	$template .= <<"ENDTEMPLATE";
<a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>	<a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
ENDTEMPLATE	ENDTEMPLATE
if ($text ne '') { $template.='</td></tr></table>' };	if ($text ne '') { $template.='</span></td></tr></table>' };
return $template;	return $template;

}	}
Line 760 sub helpLatexCheatsheet {	Line 952 sub helpLatexCheatsheet {
}	}
return '<table><tr><td>'.	return '<table><tr><td>'.
$addOther .	$addOther .
&Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',	&Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
undef,undef,600)	undef,undef,600)
.'</td><td>'.	.'</td><td>'.
&Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',	&Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
undef,undef,600)	undef,undef,600)
	.'</td><td>'.
	&Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
	undef,undef,600)
.'</td></tr></table>';	.'</td></tr></table>';
}	}

Line 774 sub general_help {	Line 969 sub general_help {
$helptopic='Authoring_Intro';	$helptopic='Authoring_Intro';
} elsif ($env{'request.role'}=~/^cc/) {	} elsif ($env{'request.role'}=~/^cc/) {
$helptopic='Course_Coordination_Intro';	$helptopic='Course_Coordination_Intro';
	} elsif ($env{'request.role'}=~/^dc/) {
	$helptopic='Domain_Coordination_Intro';
}	}
return $helptopic;	return $helptopic;
}	}
Line 995 ENDTEMPLATE	Line 1192 ENDTEMPLATE

=pod	=pod

=item * change_content_javascript():	=item * &change_content_javascript():

This and the next function allow you to create small sections of an	This and the next function allow you to create small sections of an
otherwise static HTML page that you can update on the fly with	otherwise static HTML page that you can update on the fly with
Line 1050 DOMBASED	Line 1247 DOMBASED

=pod	=pod

=item * changable_area($name, $origContent):	=item * &changable_area($name,$origContent):

This provides a "changable area" that can be modified on the fly via	This provides a "changable area" that can be modified on the fly via
the Javascript code provided in C<change_content_javascript>. $name is	the Javascript code provided in C<change_content_javascript>. $name is
Line 1074 sub changable_area {	Line 1271 sub changable_area {

=pod	=pod

=item * resize_textarea_js	=item * &viewport_geometry_js

	Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.

	=cut


	sub viewport_geometry_js {
	return <<"GEOMETRY";
	var Geometry = {};
	function init_geometry() {
	if (Geometry.init) { return };
	Geometry.init=1;
	if (window.innerHeight) {
	Geometry.getViewportHeight = function() { return window.innerHeight; };
	Geometry.getViewportWidth = function() { return window.innerWidth; };
	Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
	Geometry.getVerticalScroll = function() { return window.pageYOffset; };
	}
	else if (document.documentElement && document.documentElement.clientHeight) {
	Geometry.getViewportHeight =
	function() { return document.documentElement.clientHeight; };
	Geometry.getViewportWidth =
	function() { return document.documentElement.clientWidth; };

	Geometry.getHorizontalScroll =
	function() { return document.documentElement.scrollLeft; };
	Geometry.getVerticalScroll =
	function() { return document.documentElement.scrollTop; };
	}
	else if (document.body.clientHeight) {
	Geometry.getViewportHeight =
	function() { return document.body.clientHeight; };
	Geometry.getViewportWidth =
	function() { return document.body.clientWidth; };
	Geometry.getHorizontalScroll =
	function() { return document.body.scrollLeft; };
	Geometry.getVerticalScroll =
	function() { return document.body.scrollTop; };
	}
	}

	GEOMETRY
	}

	=pod

	=item * &viewport_size_js()

	Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.

	=cut

	sub viewport_size_js {
	my $geometry = &viewport_geometry_js();
	return <<"DIMS";

	$geometry

	function getViewportDims(width,height) {
	init_geometry();
	width.value = Geometry.getViewportWidth();
	height.value = Geometry.getViewportHeight();
	return;
	}

	DIMS
	}

	=pod

	=item * &resize_textarea_js()

emits the needed javascript to resize a textarea to be as big as possible	emits the needed javascript to resize a textarea to be as big as possible

Line 1083 the id of the element to resize, second	Line 1351 the id of the element to resize, second
surrounds everything that comes after the textarea, this routine needs	surrounds everything that comes after the textarea, this routine needs
to be attached to the <body> for the onload and onresize events.	to be attached to the <body> for the onload and onresize events.

	=back

=cut	=cut

sub resize_textarea_js {	sub resize_textarea_js {
	my $geometry = &viewport_geometry_js();
return <<"RESIZE";	return <<"RESIZE";
<script type="text/javascript">	<script type="text/javascript">
var Geometry = {};	$geometry
function init_geometry() {
if (Geometry.init) { return };	function getX(element) {
Geometry.init=1;	var x = 0;
if (window.innerHeight) {	while (element) {
Geometry.getViewportHeight = function() { return window.innerHeight; };	x += element.offsetLeft;
}	element = element.offsetParent;
else if (document.documentElement && document.documentElement.clientHeight) {	}
Geometry.getViewportHeight =	return x;
function() { return document.documentElement.clientHeight; };	}
}	function getY(element) {
else if (document.body.clientHeight) {	var y = 0;
Geometry.getViewportHeight =	while (element) {
function() { return document.body.clientHeight; };	y += element.offsetTop;
	element = element.offsetParent;
}	}
	return y;
}	}


function resize_textarea(textarea_id,bottom_id) {	function resize_textarea(textarea_id,bottom_id) {
init_geometry();	init_geometry();
var textarea = document.getElementById(textarea_id);	var textarea = document.getElementById(textarea_id);
//alert(textarea);	//alert(textarea);

var textarea_top = textarea.offsetTop;	var textarea_top = getY(textarea);
var textarea_height = textarea.offsetHeight;	var textarea_height = textarea.offsetHeight;
var bottom = document.getElementById(bottom_id);	var bottom = document.getElementById(bottom_id);
var bottom_top = bottom.offsetTop;	var bottom_top = getY(bottom);
var bottom_height = bottom.offsetHeight;	var bottom_height = bottom.offsetHeight;
var window_height = Geometry.getViewportHeight();	var window_height = Geometry.getViewportHeight();
var fudge = 23;	var fudge = 23;
var new_height = window_height-fudge-textarea_top-bottom_height;	var new_height = window_height-fudge-textarea_top-bottom_height;
if (new_height < 300) {	if (new_height < 300) {
new_height = 300;	new_height = 300;
Line 1131 RESIZE	Line 1404 RESIZE

=pod	=pod

=back

=head1 Excel and CSV file utility routines	=head1 Excel and CSV file utility routines

=over 4	=over 4
Line 1144 RESIZE	Line 1415 RESIZE

=pod	=pod

=item * csv_translate($text)	=item * &csv_translate($text)

Translate $text to allow it to be output as a 'comma separated values'	Translate $text to allow it to be output as a 'comma separated values'
format.	format.
Line 1165 sub csv_translate {	Line 1436 sub csv_translate {

=pod	=pod

=item * define_excel_formats	=item * &define_excel_formats()

Define some commonly used Excel cell formats.	Define some commonly used Excel cell formats.

Line 1221 sub define_excel_formats {	Line 1492 sub define_excel_formats {

=pod	=pod

=item * create_workbook	=item * &create_workbook()

Create an Excel worksheet. If it fails, output message on the	Create an Excel worksheet. If it fails, output message on the
request object and return undefs.	request object and return undefs.
Line 1264 sub create_workbook {	Line 1535 sub create_workbook {

=pod	=pod

=item * create_text_file	=item * &create_text_file()

Create a file to write to and eventually make available to the user.	Create a file to write to and eventually make available to the user.
If file creation fails, outputs an error message on the request object and	If file creation fails, outputs an error message on the request object and
Line 1289 sub create_text_file {	Line 1560 sub create_text_file {
$fh = Apache::File->new('>/home/httpd'.$filename);	$fh = Apache::File->new('>/home/httpd'.$filename);
if (! defined($fh)) {	if (! defined($fh)) {
$r->log_error("Couldn't open $filename for output $!");	$r->log_error("Couldn't open $filename for output $!");
$r->print("Problems occured in creating the output file. ".	$r->print(&mt('Problems occurred in creating the output file. '
"This error has been logged. ".	.'This error has been logged. '
"Please alert your LON-CAPA administrator.");	.'Please alert your LON-CAPA administrator.'));
}	}
return ($fh,$filename)	return ($fh,$filename)
}	}
Line 1332 sub domain_select {	Line 1603 sub domain_select {

=over 4	=over 4

=cut	=item * &multiple_select_form($name,$value,$size,$hash,$order)

=item * multiple_select_form($name,$value,$size,$hash,$order)

Returns a string containing a <select> element int multiple mode	Returns a string containing a <select> element int multiple mode

Line 1384 sub multiple_select_form {	Line 1653 sub multiple_select_form {

=pod	=pod

=item * select_form($defdom,$name,%hash)	=item * &select_form($defdom,$name,%hash)

Returns a string containing a <select name='$name' size='1'> form to	Returns a string containing a <select name='$name' size='1'> form to
allow a user to select options from a hash option_name => displayed text.	allow a user to select options from a hash option_name => displayed text.
Line 1471 sub select_level_form {	Line 1740 sub select_level_form {

=pod	=pod

=item * select_dom_form($defdom,$name,$includeempty,$showdomdesc)	=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc)

Returns a string containing a <select name='$name' size='1'> form to	Returns a string containing a <select name='$name' size='1'> form to
allow a user to select the domain to preform an operation in.	allow a user to select the domain to preform an operation in.
Line 1511 sub select_dom_form {	Line 1780 sub select_dom_form {

=pod	=pod

=item * home_server_form_item($domain,$name,$defaultflag)	=item * &home_server_form_item($domain,$name,$defaultflag)

input: 4 arguments (two required, two optional) -	input: 4 arguments (two required, two optional) -
$domain - domain of new user	$domain - domain of new user
Line 1520 input: 4 arguments (two required, two op	Line 1789 input: 4 arguments (two required, two op
option, and selected by default.	option, and selected by default.
$hide - Value of 'hide' causes hiding of the name of the server,	$hide - Value of 'hide' causes hiding of the name of the server,
if 1 server found, or default, if 0 found.	if 1 server found, or default, if 0 found.
output: returns 1 items:	output: returns 2 items:
(a) form element which contains either:	(a) form element which contains either:
(i) <select name="$name">	(i) <select name="$name">
<option value="$hostid1">$hostid $servers{$hostid}</option>	<option value="$hostid1">$hostid $servers{$hostid}</option>
Line 1671 sub decode_user_agent {	Line 1940 sub decode_user_agent {

=over 4	=over 4

=item * authform_xxxxxx	=item * &authform_xxxxxx()

The authform_xxxxxx subroutines provide javascript and html forms which	The authform_xxxxxx subroutines provide javascript and html forms which
handle some of the conveniences required for authentication forms.	handle some of the conveniences required for authentication forms.
This is not an optimal method, but it works.	This is not an optimal method, but it works.

See loncreateuser.pm for invocation and use examples.

=over 4	=over 4

=item * authform_header	=item * authform_header
Line 1695 See loncreateuser.pm for invocation and	Line 1962 See loncreateuser.pm for invocation and

=back	=back

=back	See loncreateuser.pm for invocation and use examples.

=cut	=cut

Line 1725 END	Line 1992 END
}	}

my $radioval = "'nochange'";	my $radioval = "'nochange'";
if (exists($in{'curr_authtype'}) &&	if (defined($in{'curr_authtype'})) {
defined($in{'curr_authtype'}) &&	if ($in{'curr_authtype'} ne '') {
$in{'curr_authtype'} ne '') {	$radioval = "'".$in{'curr_authtype'}."arg'";
$radioval = "'$in{'curr_authtype'}arg'";	}
}	}
my $argfield = 'null';	my $argfield = 'null';
if ( grep/^mode$/,(keys %in) ) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ( grep/^curr_authtype$/,(keys %in) ) {	if (defined($in{'curr_autharg'})) {
$radioval = "'$in{'curr_authtype'}'";	if ($in{'curr_autharg'} ne '') {
}
if ( grep/^curr_autharg$/,(keys %in) ) {
unless ($in{'curr_autharg'} eq '') {
$argfield = "'$in{'curr_autharg'}'";	$argfield = "'$in{'curr_autharg'}'";
}	}
}	}
Line 1834 sub authform_nochange{	Line 2098 sub authform_nochange{
return $result;	return $result;
}	}

sub authform_kerberos{	sub authform_kerberos {
my %in = (	my %in = (
formname => 'document.cu',	formname => 'document.cu',
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
Line 1850 sub authform_kerberos{	Line 2114 sub authform_kerberos{
$check4 = ' checked="on"';	$check4 = ' checked="on"';
}	}
$krbarg = $in{'kerb_def_dom'};	$krbarg = $in{'kerb_def_dom'};
if (grep(/^curr_authtype$/,(keys(%in)))) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} =~ m/^krb(\d+)$/) {	if ($in{'curr_authtype'} eq 'krb') {
$krbver = $1;
$krbcheck = ' checked="on"';	$krbcheck = ' checked="on"';
if ($krbver eq '5') {	if (defined($in{'mode'})) {
$check5 = ' checked="on"';	if ($in{'mode'} eq 'modifyuser') {
$check4 = '';	$krbcheck = '';
} else {	}
$check4 = ' checked="on"';	}
$check5 = '';	if (defined($in{'curr_kerb_ver'})) {
	if ($in{'curr_krb_ver'} eq '5') {
	$check5 = ' checked="on"';
	$check4 = '';
	} else {
	$check4 = ' checked="on"';
	$check5 = '';
	}
}	}
if (grep(/^curr_autharg$/,(keys(%in)))) {	if (defined($in{'curr_autharg'})) {
$krbarg = $in{'curr_autharg'};	$krbarg = $in{'curr_autharg'};
}	}
if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {	if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
if (grep(/^curr_autharg$/,(keys(%in)))) {	if (defined($in{'curr_autharg'})) {
$result =	$result =
&mt('Currently Kerberos authenticated with domain [_1] Version [_2].',	&mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
$in{'curr_autharg'},$krbver);	$in{'curr_autharg'},$krbver);
Line 1884 sub authform_kerberos{	Line 2154 sub authform_kerberos{
if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {	if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
return;	return;
} elsif ($authtype eq '') {	} elsif ($authtype eq '') {
if (grep(/^mode$/,(keys(%in)))) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="hidden" name="login" value="krb">';	$authtype = '<input type="hidden" name="login" value="krb">';
Line 1945 sub authform_internal{	Line 2215 sub authform_internal{
);	);
my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);	my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
if (grep(/^curr_authtype$/,(keys(%in)))) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'internal:') {	if ($in{'curr_authtype'} eq 'int') {
if ($can_assign{'int'}) {	if ($can_assign{'int'}) {
$intcheck = 'checked="on" ';	$intcheck = 'checked="on" ';
if (grep(/^curr_autharg$/,(keys(%in)))) {	if (defined($in{'mode'})) {
	if ($in{'mode'} eq 'modifyuser') {
	$intcheck = '';
	}
	}
	if (defined($in{'curr_autharg'})) {
$intarg = $in{'curr_autharg'};	$intarg = $in{'curr_autharg'};
}	}
} else {	} else {
Line 1965 sub authform_internal{	Line 2240 sub authform_internal{
if (!$can_assign{'int'}) {	if (!$can_assign{'int'}) {
return;	return;
} elsif ($authtype eq '') {	} elsif ($authtype eq '') {
if (grep(/^mode$/,(keys(%in)))) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="hidden" name="login" value="int">';	$authtype = '<input type="hidden" name="login" value="int">';
Line 1978 sub authform_internal{	Line 2253 sub authform_internal{
$authtype = '<input type="radio" name="login" value="int" '.$intcheck.	$authtype = '<input type="radio" name="login" value="int" '.$intcheck.
' onchange="'.$jscall.'" onclick="'.$jscall.'" />';	' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
}	}
$autharg = '<input type="text" size="10" name="intarg" value="'.	$autharg = '<input type="password" size="10" name="intarg" value="'.
$intarg.'" onchange="'.$jscall.'" />';	$intarg.'" onchange="'.$jscall.'" />';
$result = &mt	$result = &mt
('[_1] Internally authenticated (with initial password [_2])',	('[_1] Internally authenticated (with initial password [_2])',
'<label>'.$authtype,'</label>'.$autharg);	'<label>'.$authtype,'</label>'.$autharg);
	$result.="<label><input type=\"checkbox\" name=\"visible\" onClick='if (this.checked) { this.form.intarg.type=\"text\" } else { this.form.intarg.type=\"password\" }' />".&mt('Visible input').'</label>';
return $result;	return $result;
}	}

Line 1994 sub authform_local{	Line 2270 sub authform_local{
);	);
my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);	my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
if (grep(/^curr_authtype$/,(keys(%in)))) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'localauth:') {	if ($in{'curr_authtype'} eq 'loc') {
if ($can_assign{'loc'}) {	if ($can_assign{'loc'}) {
$loccheck = 'checked="on" ';	$loccheck = 'checked="on" ';
if (grep(/^curr_autharg$/,(keys(%in)))) {	if (defined($in{'mode'})) {
	if ($in{'mode'} eq 'modifyuser') {
	$loccheck = '';
	}
	}
	if (defined($in{'curr_autharg'})) {
$locarg = $in{'curr_autharg'};	$locarg = $in{'curr_autharg'};
}	}
} else {	} else {
Line 2014 sub authform_local{	Line 2295 sub authform_local{
if (!$can_assign{'loc'}) {	if (!$can_assign{'loc'}) {
return;	return;
} elsif ($authtype eq '') {	} elsif ($authtype eq '') {
if (grep(/^mode$/,(keys(%in)))) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="hidden" name="login" value="loc">';	$authtype = '<input type="hidden" name="login" value="loc">';
Line 2043 sub authform_filesystem{	Line 2324 sub authform_filesystem{
);	);
my ($fsyscheck,$result,$authtype,$autharg,$jscall);	my ($fsyscheck,$result,$authtype,$autharg,$jscall);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
if (grep(/^curr_authtype$/,(keys(%in)))) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'unix:') {	if ($in{'curr_authtype'} eq 'fsys') {
if ($can_assign{'fsys'}) {	if ($can_assign{'fsys'}) {
$fsyscheck = 'checked="on" ';	$fsyscheck = 'checked="on" ';
	if (defined($in{'mode'})) {
	if ($in{'mode'} eq 'modifyuser') {
	$fsyscheck = '';
	}
	}
} else {	} else {
$result = &mt('Currently Filesystem Authenticated.');	$result = &mt('Currently Filesystem Authenticated.');
return $result;	return $result;
Line 2060 sub authform_filesystem{	Line 2346 sub authform_filesystem{
if (!$can_assign{'fsys'}) {	if (!$can_assign{'fsys'}) {
return;	return;
} elsif ($authtype eq '') {	} elsif ($authtype eq '') {
if (grep(/^mode$/,(keys(%in)))) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="hidden" name="login" value="fsys">';	$authtype = '<input type="hidden" name="login" value="fsys">';
Line 2080 sub authform_filesystem{	Line 2366 sub authform_filesystem{
('[_1] Filesystem Authenticated (with initial password [_2])',	('[_1] Filesystem Authenticated (with initial password [_2])',
'<label><input type="radio" name="login" value="fsys" '.	'<label><input type="radio" name="login" value="fsys" '.
$fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',	$fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
'</label><input type="text" size="10" name="fsysarg" value="" '.	'</label><input type="password" size="10" name="fsysarg" value="" '.
'onchange="'.$jscall.'" />');	'onchange="'.$jscall.'" />');
return $result;	return $result;
}	}
Line 2128 sub get_assignable_auth {	Line 2414 sub get_assignable_auth {
}	}

###############################################################	###############################################################
## Get Authentication Defaults for Domain ##
###############################################################

=pod

=head1 Domains and Authentication

Returns default authentication type and an associated argument as
listed in file 'domain.tab'.

=over 4

=item * get_auth_defaults

get_auth_defaults($target_domain) returns the default authentication
type and an associated argument (initial password or a kerberos domain).
These values are stored in lonTabs/domain.tab

($def_auth, $def_arg) = &get_auth_defaults($target_domain);

If target_domain is not found in domain.tab, returns nothing ('').

=cut

#-------------------------------------------
sub get_auth_defaults {
my $domain=shift;
return (&Apache::lonnet::domain($domain,'auth_def'),
&Apache::lonnet::domain($domain,'auth_arg_def'));

}
###############################################################
## End Get Authentication Defaults for Domain ##
###############################################################

###############################################################
## Get Kerberos Defaults for Domain ##	## Get Kerberos Defaults for Domain ##
###############################################################	###############################################################
##	##
Line 2175 sub get_auth_defaults {	Line 2425 sub get_auth_defaults {

=pod	=pod

=item * get_kerberos_defaults	=item * &get_kerberos_defaults()

get_kerberos_defaults($target_domain) returns the default kerberos	get_kerberos_defaults($target_domain) returns the default kerberos
version and domain. If not found in domain.tabs, it defaults to	version and domain. If not found, it defaults to version 4 and the
version 4 and the domain of the server.	domain of the server.

	=over 4

($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);	($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);

	=back

	=back

=cut	=cut

#-------------------------------------------	#-------------------------------------------
sub get_kerberos_defaults {	sub get_kerberos_defaults {
my $domain=shift;	my $domain=shift;
my ($krbdef,$krbdefdom) =	my ($krbdef,$krbdefdom);
&Apache::loncommon::get_auth_defaults($domain);	my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
unless ($krbdef =~/^krb/ && $krbdefdom) {	if (($domdefaults{'auth_def'} =~/^krb(4\|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
	$krbdef = $domdefaults{'auth_def'};
	$krbdefdom = $domdefaults{'auth_arg_def'};
	} else {
$ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;	$ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
my $krbdefdom=$1;	my $krbdefdom=$1;
$krbdefdom=~tr/a-z/A-Z/;	$krbdefdom=~tr/a-z/A-Z/;
Line 2199 sub get_kerberos_defaults {	Line 2458 sub get_kerberos_defaults {
return ($krbdef,$krbdefdom);	return ($krbdef,$krbdefdom);
}	}

=pod

=back

=cut

###############################################################	###############################################################
## Thesaurus Functions ##	## Thesaurus Functions ##
Line 2215 sub get_kerberos_defaults {	Line 2469 sub get_kerberos_defaults {

=over 4	=over 4

=item * initialize_keywords	=item * &initialize_keywords()

Initializes the package variable %Keywords if it is empty. Uses the	Initializes the package variable %Keywords if it is empty. Uses the
package variable $thesaurus_db_file.	package variable $thesaurus_db_file.
Line 2260 sub initialize_keywords {	Line 2514 sub initialize_keywords {

=pod	=pod

=item * keyword($word)	=item * &keyword($word)

Returns true if $word is a keyword. A keyword is a word that appears more	Returns true if $word is a keyword. A keyword is a word that appears more
than the average number of times in the thesaurus database. Calls	than the average number of times in the thesaurus database. Calls
Line 2281 sub keyword {	Line 2535 sub keyword {

=pod	=pod

=item * get_related_words	=item * &get_related_words()

Look up a word in the thesaurus. Takes a scalar argument and returns	Look up a word in the thesaurus. Takes a scalar argument and returns
an array of words. If the keyword is not in the thesaurus, an empty array	an array of words. If the keyword is not in the thesaurus, an empty array
Line 2339 sub get_related_words {	Line 2593 sub get_related_words {

=over 4	=over 4

=item * plainname($uname,$udom,$first)	=item * &plainname($uname,$udom,$first)

Takes a users logon name and returns it as a string in	Takes a users logon name and returns it as a string in
"first middle last generation" form	"first middle last generation" form
Line 2368 sub plainname {	Line 2622 sub plainname {
# -------------------------------------------------------------------- Nickname	# -------------------------------------------------------------------- Nickname
=pod	=pod

=item * nickname($uname,$udom)	=item * &nickname($uname,$udom)

Gets a users name and returns it as a string as	Gets a users name and returns it as a string as

Line 2418 sub getnames {	Line 2672 sub getnames {
}	}

# -------------------------------------------------------------------- getemails	# -------------------------------------------------------------------- getemails

=pod	=pod

=item * getemails($uname,$udom)	=item * &getemails($uname,$udom)

Gets a user's email information and returns it as a hash with keys:	Gets a user's email information and returns it as a hash with keys:
notification, critnotification, permanentemail	notification, critnotification, permanentemail

For notification and critnotification, values are comma-separated lists	For notification and critnotification, values are comma-separated lists
of e-mail address(es); for permanentemail, value is a single e-mail address.	of e-mail addresses; for permanentemail, value is a single e-mail address.


=cut	=cut


sub getemails {	sub getemails {
my ($uname,$udom)=@_;	my ($uname,$udom)=@_;
if ($udom eq 'public' && $uname eq 'public') {	if ($udom eq 'public' && $uname eq 'public') {
Line 2464 sub flush_email_cache {	Line 2721 sub flush_email_cache {

=pod	=pod

=item * screenname($uname,$udom)	=item * &screenname($uname,$udom)

Gets a users screenname and returns it as a string	Gets a users screenname and returns it as a string

Line 2560 sub student_image_tag {	Line 2817 sub student_image_tag {

=over 4	=over 4

=item * languageids()	=item * &languageids()

returns list of all language ids	returns list of all language ids

Line 2572 sub languageids {	Line 2829 sub languageids {

=pod	=pod

=item * languagedescription()	=item * &languagedescription()

returns description of a specified language id	returns description of a specified language id

Line 2597 sub supportedlanguagecode {	Line 2854 sub supportedlanguagecode {

=pod	=pod

=item * copyrightids()	=item * &copyrightids()

returns list of all copyrights	returns list of all copyrights

Line 2609 sub copyrightids {	Line 2866 sub copyrightids {

=pod	=pod

=item * copyrightdescription()	=item * &copyrightdescription()

returns description of a specified copyright id	returns description of a specified copyright id

Line 2621 sub copyrightdescription {	Line 2878 sub copyrightdescription {

=pod	=pod

=item * source_copyrightids()	=item * &source_copyrightids()

returns list of all source copyrights	returns list of all source copyrights

Line 2633 sub source_copyrightids {	Line 2890 sub source_copyrightids {

=pod	=pod

=item * source_copyrightdescription()	=item * &source_copyrightdescription()

returns description of a specified source copyright id	returns description of a specified source copyright id

Line 2645 sub source_copyrightdescription {	Line 2902 sub source_copyrightdescription {

=pod	=pod

=item * filecategories()	=item * &filecategories()

returns list of all file categories	returns list of all file categories

Line 2657 sub filecategories {	Line 2914 sub filecategories {

=pod	=pod

=item * filecategorytypes()	=item * &filecategorytypes()

returns list of file types belonging to a given file	returns list of file types belonging to a given file
category	category
Line 2671 sub filecategorytypes {	Line 2928 sub filecategorytypes {

=pod	=pod

=item * fileembstyle()	=item * &fileembstyle()

returns embedding style for a specified file type	returns embedding style for a specified file type

Line 2695 sub filecategoryselect {	Line 2952 sub filecategoryselect {

=pod	=pod

=item * filedescription()	=item * &filedescription()

returns description for a specified file type	returns description for a specified file type

Line 2709 sub filedescription {	Line 2966 sub filedescription {

=pod	=pod

=item * filedescriptionex()	=item * &filedescriptionex()

returns description for a specified file type with	returns description for a specified file type with
extra formatting	extra formatting
Line 2741 sub fileextensions {	Line 2998 sub fileextensions {

sub display_languages {	sub display_languages {
my %languages=();	my %languages=();
foreach my $lang (&preferred_languages()) {	foreach my $lang (&Apache::lonlocal::preferred_languages()) {
$languages{$lang}=1;	$languages{$lang}=1;
}	}
&get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);	&get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
Line 2753 sub display_languages {	Line 3010 sub display_languages {
return %languages;	return %languages;
}	}

sub preferred_languages {
my @languages=();
if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
@languages=(@languages,split(/\s(\,\|\;\|\:)\s/,
$env{'course.'.$env{'request.course.id'}.'.languages'}));
}
if ($env{'environment.languages'}) {
@languages=(@languages,
split(/\s(\,\|\;\|\:)\s/,$env{'environment.languages'}));
}
my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'};
if ($browser) {
my @browser =
map { (split(/\s;\s/,$_))[0] } (split(/\s,\s/,$browser));
push(@languages,@browser);
}
if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {
@languages=(@languages,
&Apache::lonnet::domain($env{'user.domain'},
'lang_def'));
}
if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {
@languages=(@languages,
&Apache::lonnet::domain($env{'request.role.domain'},
'lang_def'));
}
if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
'lang_def')) {
@languages=(@languages,
&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
'lang_def'));
}
# turn "en-ca" into "en-ca,en"
my @genlanguages;
foreach my $lang (@languages) {
unless ($lang=~/\w/) { next; }
push(@genlanguages,$lang);
if ($lang=~/(\-\|\_)/) {
push(@genlanguages,(split(/(\-\|\_)/,$lang))[0]);
}
}
#uniqueify the languages list
my %count;
@genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages;
return @genlanguages;
}

sub languages {	sub languages {
my ($possible_langs) = @_;	my ($possible_langs) = @_;
my @preferred_langs = &preferred_languages();	my @preferred_langs = &Apache::lonlocal::preferred_languages();
if (!ref($possible_langs)) {	if (!ref($possible_langs)) {
if( wantarray ) {	if( wantarray ) {
return @preferred_langs;	return @preferred_langs;
Line 2833 sub languages {	Line 3043 sub languages {

=over 4	=over 4

=item * get_previous_attempt($symb, $username, $domain, $course,	=item * &get_previous_attempt($symb, $username, $domain, $course,
$getattempt, $regexp, $gradesub)	$getattempt, $regexp, $gradesub)

Return string with previous attempt on problem. Arguments:	Return string with previous attempt on problem. Arguments:
Line 2877 sub get_previous_attempt {	Line 3087 sub get_previous_attempt {
$lasthash{$key}=$returnhash{$version.':'.$key};	$lasthash{$key}=$returnhash{$version.':'.$key};
}	}
}	}
$prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';	$prevattempts=&start_data_table().&start_data_table_header_row();
$prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';	$prevattempts.='<th>'.&mt('History').'</th>';
foreach my $key (sort(keys(%lasthash))) {	foreach my $key (sort(keys(%lasthash))) {
my ($ign,@parts) = split(/\./,$key);	my ($ign,@parts) = split(/\./,$key);
if ($#parts > 0) {	if ($#parts > 0) {
my $data=$parts[-1];	my $data=$parts[-1];
pop(@parts);	pop(@parts);
$prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.' </td>';	$prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.' </th>';
} else {	} else {
if ($#parts == 0) {	if ($#parts == 0) {
$prevattempts.='<th>'.$parts[0].'</th>';	$prevattempts.='<th>'.$parts[0].'</th>';
Line 2893 sub get_previous_attempt {	Line 3103 sub get_previous_attempt {
}	}
}	}
}	}
	$prevattempts.=&end_data_table_header_row();
if ($getattempt eq '') {	if ($getattempt eq '') {
for ($version=1;$version<=$returnhash{'version'};$version++) {	for ($version=1;$version<=$returnhash{'version'};$version++) {
$prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';	$prevattempts.=&start_data_table_row().
	'<td>'.&mt('Transaction [_1]',$version).'</td>';
foreach my $key (sort(keys(%lasthash))) {	foreach my $key (sort(keys(%lasthash))) {
my $value = &format_previous_attempt_value($key,	my $value = &format_previous_attempt_value($key,
$returnhash{$version.':'.$key});	$returnhash{$version.':'.$key});
$prevattempts.='<td>'.$value.' </td>';	$prevattempts.='<td>'.$value.' </td>';
}	}
	$prevattempts.=&end_data_table_row();
}	}
}	}
$prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';	$prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
foreach my $key (sort(keys(%lasthash))) {	foreach my $key (sort(keys(%lasthash))) {
my $value = &format_previous_attempt_value($key,$lasthash{$key});	my $value = &format_previous_attempt_value($key,$lasthash{$key});
if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}	if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
$prevattempts.='<td>'.$value.' </td>';	$prevattempts.='<td>'.$value.' </td>';
}	}
$prevattempts.='</tr></table></td></tr></table>';	$prevattempts.= &end_data_table_row().&end_data_table();
} else {	} else {
$prevattempts='Nothing submitted - no attempts.';	$prevattempts=
	&start_data_table().&start_data_table_row().
	'<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
	&end_data_table_row().&end_data_table();
}	}
} else {	} else {
$prevattempts='No data.';	$prevattempts=
	&start_data_table().&start_data_table_row().
	'<td>'.&mt('No data.').'</td>'.
	&end_data_table_row().&end_data_table();
}	}
}	}

Line 2968 sub relative_to_absolute {	Line 3187 sub relative_to_absolute {

=pod	=pod

=item * get_student_view	=item * &get_student_view()

show a snapshot of what student was looking at	show a snapshot of what student was looking at

Line 2987 sub get_student_view {	Line 3206 sub get_student_view {
}	}
if (defined($target)) { $form{'grade_target'} = $target; }	if (defined($target)) { $form{'grade_target'} = $target; }
$feedurl=&Apache::lonnet::clutter($feedurl);	$feedurl=&Apache::lonnet::clutter($feedurl);
my $userview=&Apache::lonnet::ssi_body($feedurl,%form);	my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);
$userview=~s/\<body[^\>]*\>//gi;	$userview=~s/\<body[^\>]*\>//gi;
$userview=~s/\<\/body\>//gi;	$userview=~s/\<\/body\>//gi;
$userview=~s/\<html\>//gi;	$userview=~s/\<html\>//gi;
Line 2996 sub get_student_view {	Line 3215 sub get_student_view {
$userview=~s/\<\/head\>//gi;	$userview=~s/\<\/head\>//gi;
$userview=~s/action\s*\=/would_be_action\=/gi;	$userview=~s/action\s*\=/would_be_action\=/gi;
$userview=&relative_to_absolute($feedurl,$userview);	$userview=&relative_to_absolute($feedurl,$userview);
return $userview;	if (wantarray) {
	return ($userview,$response);
	} else {
	return $userview;
	}
	}

	sub get_student_view_with_retries {
	my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;

	my $ok = 0; # True if we got a good response.
	my $content;
	my $response;

	# Try to get the student_view done. within the retries count:

	do {
	($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
	$ok = $response->is_success;
	if (!$ok) {
	&Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
	}
	$retries--;
	} while (!$ok && ($retries > 0));

	if (!$ok) {
	$content = ''; # On error return an empty content.
	}
	if (wantarray) {
	return ($content, $response);
	} else {
	return $content;
	}
}	}

=pod	=pod

=item * get_student_answers()	=item * &get_student_answers()

show a snapshot of how student was answering problem	show a snapshot of how student was answering problem

Line 3089 sub pprmlink {	Line 3340 sub pprmlink {
if (!$symb) { $symb=&Apache::lonnet::symbread(); }	if (!$symb) { $symb=&Apache::lonnet::symbread(); }
$symb=&escape($symb);	$symb=&escape($symb);
if ($target) { $target="target=\"$target\""; }	if ($target) { $target="target=\"$target\""; }
return '<a href="/adm/parmset?&command=set&'.	return '<a href="/adm/parmset?command=set&'.
'symb='.$symb.'&uname='.$uname.	'symb='.$symb.'&uname='.$uname.
'&udom='.$udom.'" '.$target.'>'.$text.'</a>';	'&udom='.$udom.'" '.$target.'>'.$text.'</a>';
}	}
##############################################	##############################################

Line 3105 sub pprmlink {	Line 3356 sub pprmlink {


sub timehash {	sub timehash {
my @ltime=localtime(shift);	my ($thistime) = @_;
return ( 'seconds' => $ltime[0],	my $timezone = &Apache::lonlocal::gettimezone();
'minutes' => $ltime[1],	my $dt = DateTime->from_epoch(epoch => $thistime)
'hours' => $ltime[2],	->set_time_zone($timezone);
'day' => $ltime[3],	my $wday = $dt->day_of_week();
'month' => $ltime[4]+1,	if ($wday == 7) { $wday = 0; }
'year' => $ltime[5]+1900,	return ( 'second' => $dt->second(),
'weekday' => $ltime[6],	'minute' => $dt->minute(),
'dayyear' => $ltime[7]+1,	'hour' => $dt->hour(),
'dlsav' => $ltime[8] );	'day' => $dt->day_of_month(),
	'month' => $dt->month(),
	'year' => $dt->year(),
	'weekday' => $wday,
	'dayyear' => $dt->day_of_year(),
	'dlsav' => $dt->is_dst() );
}	}

sub utc_string {	sub utc_string {
Line 3124 sub utc_string {	Line 3380 sub utc_string {

sub maketime {	sub maketime {
my %th=@_;	my %th=@_;
	my ($epoch_time,$timezone,$dt);
	$timezone = &Apache::lonlocal::gettimezone();
	eval {
	$dt = DateTime->new( year => $th{'year'},
	month => $th{'month'},
	day => $th{'day'},
	hour => $th{'hour'},
	minute => $th{'minute'},
	second => $th{'second'},
	time_zone => $timezone,
	);
	};
	if (!$@) {
	$epoch_time = $dt->epoch;
	if ($epoch_time) {
	return $epoch_time;
	}
	}
return POSIX::mktime(	return POSIX::mktime(
($th{'seconds'},$th{'minutes'},$th{'hours'},	($th{'seconds'},$th{'minutes'},$th{'hours'},
$th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));	$th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
Line 3504 sub blocking_status {	Line 3778 sub blocking_status {

###############################################	###############################################

	sub check_ip_acc {
	my ($acc)=@_;
	&Apache::lonxml::debug("acc is $acc");
	if (!defined($acc) \|\| $acc =~ /^\s$/ \|\| $acc =~/^\sno\s*$/i) {
	return 1;
	}
	my $allowed=0;
	my $ip=$env{'request.host'} \|\| $ENV{'REMOTE_ADDR'};

	my $name;
	foreach my $pattern (split(',',$acc)) {
	$pattern =~ s/^\s*//;
	$pattern =~ s/\s*$//;
	if ($pattern =~ /\*$/) {
	#35.8.*
	$pattern=~s/\*//;
	if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
	} elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
	#35.8.3.[34-56]
	my $low=$2;
	my $high=$3;
	$pattern=$1;
	if ($ip =~ /^\Q$pattern\E/) {
	my $last=(split(/\./,$ip))[3];
	if ($last <=$high && $last >=$low) { $allowed=1; }
	}
	} elsif ($pattern =~ /^\*/) {
	#*.msu.edu
	$pattern=~s/\*//;
	if (!defined($name)) {
	use Socket;
	my $netaddr=inet_aton($ip);
	($name)=gethostbyaddr($netaddr,AF_INET);
	}
	if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
	} elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
	#127.0.0.1
	if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
	} else {
	#some.name.com
	if (!defined($name)) {
	use Socket;
	my $netaddr=inet_aton($ip);
	($name)=gethostbyaddr($netaddr,AF_INET);
	}
	if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
	}
	if ($allowed) { last; }
	}
	return $allowed;
	}

	###############################################

=pod	=pod

=head1 Domain Template Functions	=head1 Domain Template Functions
Line 3547 sub get_domainconf {	Line 3875 sub get_domainconf {

my %domconfig = &Apache::lonnet::get_dom('configuration',	my %domconfig = &Apache::lonnet::get_dom('configuration',
['login','rolecolors'],$udom);	['login','rolecolors'],$udom);
my %designhash;	my (%designhash,%legacy);
if (keys(%domconfig) > 0) {	if (keys(%domconfig) > 0) {
if (ref($domconfig{'login'}) eq 'HASH') {	if (ref($domconfig{'login'}) eq 'HASH') {
foreach my $key (keys(%{$domconfig{'login'}})) {	if (keys(%{$domconfig{'login'}})) {
$designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};	foreach my $key (keys(%{$domconfig{'login'}})) {
	if (ref($domconfig{'login'}{$key}) eq 'HASH') {
	foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
	$designhash{$udom.'.login.'.$key.'_'.$img} =
	$domconfig{'login'}{$key}{$img};
	}
	} else {
	$designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
	}
	}
	} else {
	$legacy{'login'} = 1;
}	}
	} else {
	$legacy{'login'} = 1;
}	}
if (ref($domconfig{'rolecolors'}) eq 'HASH') {	if (ref($domconfig{'rolecolors'}) eq 'HASH') {
foreach my $role (keys(%{$domconfig{'rolecolors'}})) {	if (keys(%{$domconfig{'rolecolors'}})) {
if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {	foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {	if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
$designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};	foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
	$designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
	}
}	}
}	}
	} else {
	$legacy{'rolecolors'} = 1;
}	}
	} else {
	$legacy{'rolecolors'} = 1;
}	}
} else {	if (keys(%legacy) > 0) {
my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';	my %legacyhash = &get_legacy_domconf($udom);
my $designfile = $designdir.'/'.$udom.'.tab';	foreach my $item (keys(%legacyhash)) {
if (-e $designfile) {	if ($item =~ /^\Q$udom\E\.login/) {
if ( open (my $fh,"<$designfile") ) {	if ($legacy{'login'}) {
while (my $line = <$fh>) {	$designhash{$item} = $legacyhash{$item};
next if ($line =~ /^\#/);	}
chomp($line);	} else {
my ($key,$val)=(split(/\=/,$line));	if ($legacy{'rolecolors'}) {
if ($val) { $designhash{$udom.'.'.$key}=$val; }	$designhash{$item} = $legacyhash{$item};
	}
}	}
close($fh);
}	}
}	}
if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {	} else {
$designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";	%designhash = &get_legacy_domconf($udom);
}
}	}
&Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,	&Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
$cachetime);	$cachetime);
return %designhash;	return %designhash;
}	}

	sub get_legacy_domconf {
	my ($udom) = @_;
	my %legacyhash;
	my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
	my $designfile = $designdir.'/'.$udom.'.tab';
	if (-e $designfile) {
	if ( open (my $fh,"<$designfile") ) {
	while (my $line = <$fh>) {
	next if ($line =~ /^\#/);
	chomp($line);
	my ($key,$val)=(split(/\=/,$line));
	if ($val) { $legacyhash{$udom.'.'.$key}=$val; }
	}
	close($fh);
	}
	}
	if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
	$legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
	}
	return %legacyhash;
	}

=pod	=pod

=item * &domainlogo()	=item * &domainlogo()
Line 3635 Returns: value of designparamter $which	Line 4003 Returns: value of designparamter $which
sub designparm {	sub designparm {
my ($which,$domain)=@_;	my ($which,$domain)=@_;
if ($env{'browser.blackwhite'} eq 'on') {	if ($env{'browser.blackwhite'} eq 'on') {
if ($which=~/\.(font\|alink\|vlink\|link)$/) {	if ($which=~/\.(font\|alink\|vlink\|link\|textcol)$/) {
return '#000000';	return '#000000';
}	}
if ($which=~/\.(pgbg\|sidebg)$/) {	if ($which=~/\.(pgbg\|sidebg\|bgcol)$/) {
return '#FFFFFF';	return '#FFFFFF';
}	}
if ($which=~/\.tabbg$/) {	if ($which=~/\.tabbg$/) {
Line 3657 sub designparm {	Line 4025 sub designparm {
$output = $defaultdesign{$which};	$output = $defaultdesign{$which};
}	}
if (($which =~ /^(student\|coordinator\|author\|admin)\.img$/) \|\|	if (($which =~ /^(student\|coordinator\|author\|admin)\.img$/) \|\|
($which =~ /login\.(img\|logo\|domlogo)/)) {	($which =~ /login\.(img\|logo\|domlogo\|login)/)) {
if ($output =~ m{^/(adm\|res)/}) {	if ($output =~ m{^/(adm\|res)/}) {
if ($output =~ m{^/res/}) {	if ($output =~ m{^/res/}) {
my $local_name = &Apache::lonnet::filelocation('',$output);	my $local_name = &Apache::lonnet::filelocation('',$output);
Line 3825 ENDROLE	Line 4193 ENDROLE
$dc_info = '('.$dc_info.')';	$dc_info = '('.$dc_info.')';
}	}

if ($env{'environment.remote'} eq 'off') {	if (($env{'environment.remote'} eq 'off') \|\| ($args->{'suppress_header_logos'})) {
# No Remote	# No Remote
if ($env{'request.state'} eq 'construct') {	if ($env{'request.state'} eq 'construct') {
$forcereg=1;	$forcereg=1;
Line 3848 ENDROLE	Line 4216 ENDROLE
$lastitem = $thisdisfn;	$lastitem = $thisdisfn;
}	}
$titleinfo =	$titleinfo =
&Apache::loncommon::help_open_menu('','',3,'Authoring').	&Apache::loncommon::help_open_menu('','',3,'Authoring')
'<b>Construction Space</b>: '.	.'<b>'.&mt('Construction Space').'</b>: '
'<form name="dirs" method="post" action="'.$formaction	.'<form name="dirs" method="post" action="'.$formaction
.'" target="_top"><tt><b>'	.'" target="_top"><tt><b>'
.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"	.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
.&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')	.&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
Line 3974 sub make_attr_string {	Line 4342 sub make_attr_string {

Returns a uniform footer for LON-CAPA web pages.	Returns a uniform footer for LON-CAPA web pages.

Inputs: none	Inputs: 1 - optional reference to an args hash
	If in the hash, key for noredirectlink has a value which evaluates to true,
	a 'Continue' link is not displayed if the page contains an
	internal redirect in the <head></head> section,
	i.e., $env{'internal.head.redirect'} exists

=cut	=cut

sub endbodytag {	sub endbodytag {
	my ($args) = @_;
my $endbodytag='</body>';	my $endbodytag='</body>';
$endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;	$endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
if ( exists( $env{'internal.head.redirect'} ) ) {	if ( exists( $env{'internal.head.redirect'} ) ) {
$endbodytag=	if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
"<br /><a href=\"$env{'internal.head.redirect'}\">".	$endbodytag=
&mt('Continue').'</a>'.	"<br /><a href=\"$env{'internal.head.redirect'}\">".
$endbodytag;	&mt('Continue').'</a>'.
	$endbodytag;
	}
}	}
return $endbodytag;	return $endbodytag;
}	}
Line 4019 sub standard_css {	Line 4394 sub standard_css {
my $vlink = &designparm($function.'.vlink', $domain);	my $vlink = &designparm($function.'.vlink', $domain);
my $link = &designparm($function.'.link', $domain);	my $link = &designparm($function.'.link', $domain);

my $sans = 'Arial,Helvetica,sans-serif';	my $sans = 'Verdana,Arial,Helvetica,sans-serif';
my $mono = 'monospace';	my $mono = 'monospace';
my $data_table_head = $tabbg;	my $data_table_head = $tabbg;
my $data_table_light = '#EEEEEE';	my $data_table_light = '#EEEEEE';
Line 4037 sub standard_css {	Line 4412 sub standard_css {
my $table_header = '#DDDDDD';	my $table_header = '#DDDDDD';
my $feedback_link_bg = '#BBBBBB';	my $feedback_link_bg = '#BBBBBB';

my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'	my $border = ($env{'browser.type'} eq 'explorer' \|\|
: '0px 3px 0px 4px';	$env{'browser.type'} eq 'safari' ) ? '0px 2px 0px 2px'
	: '0px 3px 0px 4px';


return <<END;	return <<END;
Line 4058 table.thinborder tr td {	Line 4434 table.thinborder tr td {

form, .inline { display: inline; }	form, .inline { display: inline; }
.center { text-align: center; }	.center { text-align: center; }
.LC_filename {font-family: $mono;}	.LC_filename {font-family: $mono; white-space:pre;}
.LC_error {	.LC_error {
color: red;	color: red;
font-size: larger;	font-size: larger;
Line 4099 table.LC_pastsubmission {	Line 4475 table.LC_pastsubmission {
margin: 2px;	margin: 2px;
}	}

table#LC_top_nav, table#LC_menubuttons {	table#LC_top_nav, table#LC_menubuttons,table#LC_nav_location {
width: 100%;	width: 100%;
background: $pgbg;	background: $pgbg;
border: 2px;	border: 2px;
Line 4107 table#LC_top_nav, table#LC_menubuttons {	Line 4483 table#LC_top_nav, table#LC_menubuttons {
padding: 0px;	padding: 0px;
}	}

table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,	table#LC_title_bar, table.LC_breadcrumbs,
table#LC_title_bar.LC_with_remote {	table#LC_title_bar.LC_with_remote {
width: 100%;	width: 100%;
border-color: $pgbg;	border-color: $pgbg;
Line 4209 table.LC_docs_path td.LC_docs_path_compo	Line 4585 table.LC_docs_path td.LC_docs_path_compo
td.LC_table_cell_checkbox {	td.LC_table_cell_checkbox {
text-align: center;	text-align: center;
}	}

table#LC_mainmenu td.LC_mainmenu_column {	table#LC_mainmenu td.LC_mainmenu_column {
vertical-align: top;	vertical-align: top;
}	}
Line 4223 table#LC_mainmenu td.LC_mainmenu_column	Line 4598 table#LC_mainmenu td.LC_mainmenu_column
.LC_menubuttons_link {	.LC_menubuttons_link {
text-decoration: none;	text-decoration: none;
}	}
	#2008--9-5: new menu style sheet.Changed category
.LC_menubuttons_category {	.LC_menubuttons_category {
color: $font;	color: $font;
background: $pgbg;	background: $pgbg;
Line 4247 td.LC_menubuttons_img {	Line 4622 td.LC_menubuttons_img {
}	}
.LC_new_mail {	.LC_new_mail {
font-family: $sans;	font-family: $sans;
	background: $tabbg;
font-weight: bold;	font-weight: bold;
}	}

Line 4289 td.LC_menubuttons_img {	Line 4665 td.LC_menubuttons_img {
text-align: right;	text-align: right;
}	}

	.LC_roleslog_note {
	font-size: smaller;
	}

	.LC_mail_functions {
	font-weight: bold;
	}

table.LC_aboutme_port {	table.LC_aboutme_port {
border: 0px;	border: 0px;
border-collapse: collapse;	border-collapse: collapse;
Line 4298 table.LC_data_table, table.LC_mail_list	Line 4682 table.LC_data_table, table.LC_mail_list
border: 1px solid #000000;	border: 1px solid #000000;
border-collapse: separate;	border-collapse: separate;
border-spacing: 1px;	border-spacing: 1px;
	background: $pgbg;
}	}
.LC_data_table_dense {	.LC_data_table_dense {
font-size: small;	font-size: small;
}	}
table.LC_nested_outer {	table.LC_nested_outer {
border: 1px solid #000000;	border: 1px solid #000000;
border-collapse: separate;	border-collapse: collapse;
border-spacing: 0px;	border-spacing: 0px;
width: 100%;	width: 100%;
}	}
table.LC_nested {	table.LC_nested {
border: 0px;	border: 0px;
border-collapse: separate;	border-collapse: collapse;
border-spacing: 0px;	border-spacing: 0px;
width: 100%;	width: 100%;
}	}
Line 4320 table.LC_prior_tries tr th {	Line 4705 table.LC_prior_tries tr th {
background-color: $data_table_head;	background-color: $data_table_head;
font-size: smaller;	font-size: smaller;
}	}
table.LC_data_table tr td,	table.LC_data_table tr.LC_info_row > td {
	background-color: #CCC;
	font-weight: bold;
	text-align: left;
	}
	table.LC_data_table tr.LC_odd_row > td,
table.LC_aboutme_port tr td {	table.LC_aboutme_port tr td {
background-color: $data_table_light;	background-color: $data_table_light;
padding: 2px;	padding: 2px;
}	}
table.LC_data_table tr.LC_even_row td,	table.LC_data_table tr.LC_even_row > td,
table.LC_aboutme_port tr.LC_even_row td {	table.LC_aboutme_port tr.LC_even_row td {
background-color: $data_table_dark;	background-color: $data_table_dark;
}	}
table.LC_data_table tr.LC_data_table_highlight td {	table.LC_data_table tr.LC_data_table_highlight td {
background-color: $data_table_darker;	background-color: $data_table_darker;
}	}
	table.LC_data_table tr td.LC_leftcol_header {
	background-color: $data_table_head;
	font-weight: bold;
	}
table.LC_data_table tr.LC_empty_row td,	table.LC_data_table tr.LC_empty_row td,
table.LC_nested tr.LC_empty_row td {	table.LC_nested tr.LC_empty_row td {
background-color: #FFFFFF;	background-color: #FFFFFF;
Line 4362 table.LC_nested tr.LC_info_row td {	Line 4756 table.LC_nested tr.LC_info_row td {
font-size: small;	font-size: small;
text-align: center;	text-align: center;
}	}
table.LC_nested tr.LC_info_row td.LC_left_item {	table.LC_nested tr.LC_info_row td.LC_left_item,
	table.LC_nested_outer tr th.LC_left_item {
text-align: left;	text-align: left;
}	}
table.LC_nested td {	table.LC_nested td {
Line 4606 table.LC_pick_box td.LC_pick_box_title {	Line 5001 table.LC_pick_box td.LC_pick_box_title {
width: 184px;	width: 184px;
padding: 8px;	padding: 8px;
}	}
	table.LC_pick_box td.LC_selfenroll_pick_box_title {
	background: $tabbg;
	font-weight: bold;
	text-align: right;
	width: 350px;
	padding: 8px;
	}

table.LC_pick_box td.LC_pick_box_value {	table.LC_pick_box td.LC_pick_box_value {
text-align: left;	text-align: left;
padding: 8px;	padding: 8px;
Line 4731 table.LC_descriptive_input td.LC_descrip	Line 5134 table.LC_descriptive_input td.LC_descrip
text-align: right;	text-align: right;
font-weight: bold;	font-weight: bold;
}	}
table.LC_feedback_link {	div.LC_feedback_link {
background: $feedback_link_bg;	clear: both;
	background: white;
	width: 100%;
}	}
span.LC_feedback_link {	span.LC_feedback_link {
background: $feedback_link_bg;	background: $feedback_link_bg;
font-size: larger;	font-size: larger;
	}
	span.LC_message_link {
	background: $feedback_link_bg;
	font-size: larger;
	position: absolute;
	right: 1em;
}	}

table.LC_prior_tries {	table.LC_prior_tries {
Line 4812 span.LC_cusr_emph {	Line 5223 span.LC_cusr_emph {
font-style: italic;	font-style: italic;
}	}

	span.LC_cusr_subheading {
	font-weight: normal;
	font-size: 85%;
	}

table.LC_docs_documents {	table.LC_docs_documents {
background: #BBBBBB;	background: #BBBBBB;
border-width: 0px;	border-width: 0px;
Line 4886 table.LC_sty_end {	Line 5302 table.LC_sty_end {
background: #FFBBBB;	background: #FFBBBB;
}	}

	table.LC_double_column {
	border-width: 0px;
	border-collapse: collapse;
	width: 100%;
	padding: 2px;
	}

	table.LC_double_column tr td.LC_left_col {
	top: 2px;
	left: 2px;
	width: 47%;
	vertical-align: top;
	}

	table.LC_double_column tr td.LC_right_col {
	top: 2px;
	right: 2px;
	width: 47%;
	vertical-align: top;
	}

	span.LC_role_level {
	font-weight: bold;
	}

	div.LC_left_float {
	float: left;
	padding-right: 5%;
	padding-bottom: 4px;
	}

	div.LC_clear_float_header {
	padding-bottom: 2px;
	}

	div.LC_clear_float_footer {
	padding-top: 10px;
	clear: both;
	}


	div.LC_grade_select_mode {
	font-family: $sans;
	}
	div.LC_grade_select_mode div div {
	margin: 5px;
	}
	div.LC_grade_select_mode_selector {
	margin: 5px;
	float: left;
	}
	div.LC_grade_select_mode_selector_header {
	font: bold medium $sans;
	}
	div.LC_grade_select_mode_type {
	clear: left;
	}

	div.LC_grade_show_user {
	margin-top: 20px;
	border: 1px solid black;
	}
	div.LC_grade_user_name {
	background: #DDDDEE;
	border-bottom: 1px solid black;
	font: bold large $sans;
	}
	div.LC_grade_show_user_odd_row div.LC_grade_user_name {
	background: #DDEEDD;
	}

	div.LC_grade_show_problem,
	div.LC_grade_submissions,
	div.LC_grade_message_center,
	div.LC_grade_info_links,
	div.LC_grade_assign {
	margin: 5px;
	width: 99%;
	background: #FFFFFF;
	}
	div.LC_grade_show_problem_header,
	div.LC_grade_submissions_header,
	div.LC_grade_message_center_header,
	div.LC_grade_assign_header {
	font: bold large $sans;
	}
	div.LC_grade_show_problem_problem,
	div.LC_grade_submissions_body,
	div.LC_grade_message_center_body,
	div.LC_grade_assign_body {
	border: 1px solid black;
	width: 99%;
	background: #FFFFFF;
	}
	span.LC_grade_check_note {
	font: normal medium $sans;
	display: inline;
	position: absolute;
	right: 1em;
	}

	table.LC_scantron_action {
	width: 100%;
	}
	table.LC_scantron_action tr th {
	font: normal bold $sans;
	}

	div.LC_edit_problem_header,
	div.LC_edit_problem_footer {
	font: normal medium $sans;
	margin: 2px;
	}
	div.LC_edit_problem_header,
	div.LC_edit_problem_header div,
	div.LC_edit_problem_footer,
	div.LC_edit_problem_footer div,
	div.LC_edit_problem_editxml_header,
	div.LC_edit_problem_editxml_header div {
	margin-top: 5px;
	}
	div.LC_edit_problem_header_edit_row {
	background: $tabbg;
	padding: 3px;
	margin-bottom: 5px;
	}
	div.LC_edit_problem_header_title {
	font: larger bold $sans;
	background: $tabbg;
	padding: 3px;
	}
	table.LC_edit_problem_header_title {
	font: larger bold $sans;
	width: 100%;
	border-color: $pgbg;
	border-style: solid;
	border-width: $border;

	background: $tabbg;
	border-collapse: collapse;
	padding: 0px
	}

	div.LC_edit_problem_discards {
	float: left;
	padding-bottom: 5px;
	}
	div.LC_edit_problem_saves {
	float: right;
	padding-bottom: 5px;
	}
	hr.LC_edit_problem_divide {
	clear: both;
	color: $tabbg;
	background-color: $tabbg;
	height: 3px;
	border: 0px;
	}
	img.stift{
	border-width:0;
	vertical-align:middle;
	}

	table#LC_mainmenu{
	margin-top:10px;
	width:80%;

	}

	table#LC_mainmenu td.LC_mainmenu_col_fieldset{
	vertical-align: top;
	width: 45%;
	}
	.LC_mainmenu_fieldset_category {
	color: $font;
	background: $pgbg;
	font-family: $sans;
	font-size: small;
	font-weight: bold;
	}
	fieldset#LC_mainmenu_fieldset {
	margin:0px 10px 10px 0px;

	}
END	END
}	}

Line 4979 Inputs: none	Line 5579 Inputs: none

sub font_settings {	sub font_settings {
my $headerstring='';	my $headerstring='';
if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {	if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
$headerstring.=
'<meta Content-Type="text/html; charset=x-mac-roman" />';
} elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
$headerstring.=	$headerstring.=
'<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';	'<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
}	}
Line 5002 Inputs: none	Line 5599 Inputs: none
sub xml_begin {	sub xml_begin {
my $output='';	my $output='';

&Apache::lonhtmlcommon::init_htmlareafields();	if ($env{'internal.start_page'}==1) {
	&Apache::lonhtmlcommon::init_htmlareafields();
	}

if ($env{'browser.mathml'}) {	if ($env{'browser.mathml'}) {
$output='<?xml version="1.0"?>'	$output='<?xml version="1.0"?>'
Line 5039 sub endheadtag {	Line 5638 sub endheadtag {

Returns a uniform complete <head>..</head> section for LON-CAPA web pages.	Returns a uniform complete <head>..</head> section for LON-CAPA web pages.

Inputs: $title - optional title for the page	Inputs:
$head_extra - optional extra HTML to put inside the <head>
	=over 4

	$title - optional title for the page

	$head_extra - optional extra HTML to put inside the <head>

	=back

=cut	=cut

Line 5055 sub head {	Line 5661 sub head {

Returns a complete <html> .. <body> section for LON-CAPA web pages.	Returns a complete <html> .. <body> section for LON-CAPA web pages.

Inputs: $title - optional title for the page	Inputs:
$head_extra - optional extra HTML to incude inside the <head>
$args - additional optional args supported are:	=over 4
only_body -> is true will set &bodytag() onlybodytag
	$title - optional title for the page

	$head_extra - optional extra HTML to incude inside the <head>

	$args - additional optional args supported are:

	=over 8

	only_body -> is true will set &bodytag() onlybodytag
arg on	arg on
no_nav_bar -> is true will set &bodytag() notopbar arg on	no_nav_bar -> is true will set &bodytag() notopbar arg on
add_entries -> additional attributes to add to the <body>	add_entries -> additional attributes to add to the <body>
domain -> force to color decorate a page for a	domain -> force to color decorate a page for a
specific domain	specific domain
function -> force usage of a specific rolish color	function -> force usage of a specific rolish color
scheme	scheme
redirect -> see &headtag()	redirect -> see &headtag()
bgcolor -> override the default page bg color	bgcolor -> override the default page bg color
js_ready -> return a string ready for being used in	js_ready -> return a string ready for being used in
a javascript writeln	a javascript writeln
html_encode -> return a string ready for being used in	html_encode -> return a string ready for being used in
a html attribute	a html attribute
force_register -> if is true will turn on the &bodytag()	force_register -> if is true will turn on the &bodytag()
$forcereg arg	$forcereg arg
body_title -> alternate text to use instead of $title	body_title -> alternate text to use instead of $title
in the title box that appears, this text	in the title box that appears, this text
is not auto translated like the $title is	is not auto translated like the $title is
frameset -> if true will start with a <frameset>	frameset -> if true will start with a <frameset>
rather than <body>	rather than <body>
no_title -> if true the title bar won't be shown	no_title -> if true the title bar won't be shown
skip_phases -> hash ref of	skip_phases -> hash ref of
head -> skip the <html><head> generation	head -> skip the <html><head> generation
body -> skip all <body> generation	body -> skip all <body> generation
	no_inline_link -> if true and in remote mode, don't show the
no_inline_link -> if true and in remote mode, don't show the
'Switch To Inline Menu' link	'Switch To Inline Menu' link
	no_auto_mt_title -> prevent &mt()ing the title arg
no_auto_mt_title -> prevent &mt()ing the title arg	inherit_jsmath -> when creating popup window in a page,

inherit_jsmath -> when creating popup window in a page,
should it have jsmath forced on by the	should it have jsmath forced on by the
current page	current page

	=back

	=back

=cut	=cut

sub start_page {	sub start_page {
Line 5179 sub end_page {	Line 5795 sub end_page {
if ($args->{'frameset'}) {	if ($args->{'frameset'}) {
$result .= '</frameset>';	$result .= '</frameset>';
} else {	} else {
$result .= &endbodytag();	$result .= &endbodytag($args);
}	}
$result .= "\n</html>";	$result .= "\n</html>";

Line 5251 sub simple_error_page {	Line 5867 sub simple_error_page {
}	}

{	{
my $row_count;	my @row_count;
sub start_data_table {	sub start_data_table {
my ($add_class) = @_;	my ($add_class) = @_;
my $css_class = (join(' ','LC_data_table',$add_class));	my $css_class = (join(' ','LC_data_table',$add_class));
undef($row_count);	unshift(@row_count,0);
return '<table class="'.$css_class.'">'."\n";	return '<table class="'.$css_class.'">'."\n";
}	}

sub end_data_table {	sub end_data_table {
undef($row_count);	shift(@row_count);
return '</table>'."\n";;	return '</table>'."\n";;
}	}

sub start_data_table_row {	sub start_data_table_row {
my ($add_class) = @_;	my ($add_class) = @_;
$row_count++;	$row_count[0]++;
my $css_class = ($row_count % 2)?'':'LC_even_row';	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
$css_class = (join(' ',$css_class,$add_class));	$css_class = (join(' ',$css_class,$add_class));
return '<tr class="'.$css_class.'">'."\n";;	return '<tr class="'.$css_class.'">'."\n";;
}	}

sub continue_data_table_row {	sub continue_data_table_row {
my ($add_class) = @_;	my ($add_class) = @_;
my $css_class = ($row_count % 2)?'':'LC_even_row';	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
$css_class = (join(' ',$css_class,$add_class));	$css_class = (join(' ',$css_class,$add_class));
return '<tr class="'.$css_class.'">'."\n";;	return '<tr class="'.$css_class.'">'."\n";;
}	}
Line 5284 sub simple_error_page {	Line 5900 sub simple_error_page {
}	}

sub start_data_table_empty_row {	sub start_data_table_empty_row {
$row_count++;	$row_count[0]++;
return '<tr class="LC_empty_row" >'."\n";;	return '<tr class="LC_empty_row" >'."\n";;
}	}

Line 5556 previous, future, or all.	Line 6172 previous, future, or all.
5. reference to array of section restrictions (optional)	5. reference to array of section restrictions (optional)
6. reference to results object (hash of hashes).	6. reference to results object (hash of hashes).
7. reference to optional userdata hash	7. reference to optional userdata hash
Keys of top level hash are roles.	8. reference to optional statushash
	9. flag if privileged users (except those set to unhide in
	course settings) should be excluded
	Keys of top level results hash are roles.
Keys of inner hashes are username:domain, with	Keys of inner hashes are username:domain, with
values set to access type.	values set to access type.
Optional userdata hash returns an array with arguments in the	Optional userdata hash returns an array with arguments in the
same order as loncoursedata::get_classlist() for student data.	same order as loncoursedata::get_classlist() for student data.

	Optional statushash returns

Entries for end, start, section and status are blank because	Entries for end, start, section and status are blank because
of the possibility of multiple values for non-student roles.	of the possibility of multiple values for non-student roles.

Line 5570 of the possibility of multiple values fo	Line 6191 of the possibility of multiple values fo
###############################################	###############################################

sub get_course_users {	sub get_course_users {
my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;	my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash,$hidepriv) = @_;
my %idx = ();	my %idx = ();
my %seclists;	my %seclists;

Line 5590 sub get_course_users {	Line 6211 sub get_course_users {
my $match = 0;	my $match = 0;
my $secmatch = 0;	my $secmatch = 0;
my $section = $$classlist{$student}[$idx{section}];	my $section = $$classlist{$student}[$idx{section}];
	my $status = $$classlist{$student}[$idx{status}];
if ($section eq '') {	if ($section eq '') {
$section = 'none';	$section = 'none';
}	}
Line 5609 sub get_course_users {	Line 6231 sub get_course_users {
next;	next;
}	}
}	}
push(@{$seclists{$student}},$section);
if (defined($$types{'active'})) {	if (defined($$types{'active'})) {
if ($$classlist{$student}[$idx{status}] eq 'Active') {	if ($$classlist{$student}[$idx{status}] eq 'Active') {
push(@{$$users{st}{$student}},'active');	push(@{$$users{st}{$student}},'active');
Line 5617 sub get_course_users {	Line 6238 sub get_course_users {
}	}
}	}
if (defined($$types{'previous'})) {	if (defined($$types{'previous'})) {
if ($$classlist{$student}[$idx{end}] <= $now) {	if ($$classlist{$student}[$idx{status}] eq 'Expired') {
push(@{$$users{st}{$student}},'previous');	push(@{$$users{st}{$student}},'previous');
$match = 1;	$match = 1;
}	}
}	}
if (defined($$types{'future'})) {	if (defined($$types{'future'})) {
if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) \|\| ($$classlist{$student}[$idx{end}] == 0) \|\| ($$classlist{$student}[$idx{end}] eq '')) {	if ($$classlist{$student}[$idx{status}] eq 'Future') {
push(@{$$users{st}{$student}},'future');	push(@{$$users{st}{$student}},'future');
$match = 1;	$match = 1;
}	}
}	}
if ($match && ref($userdata) eq 'HASH') {	if ($match) {
$$userdata{$student} = $$classlist{$student};	push(@{$seclists{$student}},$section);
	if (ref($userdata) eq 'HASH') {
	$$userdata{$student} = $$classlist{$student};
	}
	if (ref($statushash) eq 'HASH') {
	$statushash->{$student}{'st'}{$section} = $status;
	}
}	}
}	}
}	}
if ((@{$roles} > 1) \|\| ((@{$roles} == 1) && ($$roles[0] ne "st"))) {	if ((@{$roles} > 1) \|\| ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);	my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
my $now = time;	my $now = time;
	my %displaystatus = ( previous => 'Expired',
	active => 'Active',
	future => 'Future',
	);
	my %nothide;
	if ($hidepriv) {
	my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
	foreach my $user (split(/\s\,\s/,$coursehash{'nothideprivileged'})) {
	if ($user !~ /:/) {
	$nothide{join(':',split(/[\@]/,$user))}=1;
	} else {
	$nothide{$user} = 1;
	}
	}
	}
foreach my $person (sort(keys(%coursepersonnel))) {	foreach my $person (sort(keys(%coursepersonnel))) {
my $match = 0;	my $match = 0;
my $secmatch = 0;	my $secmatch = 0;
Line 5669 sub get_course_users {	Line 6311 sub get_course_users {
$usec = 'none';	$usec = 'none';
}	}
if ($uname ne '' && $udom ne '') {	if ($uname ne '' && $udom ne '') {
	if ($hidepriv) {
	if ((&Apache::lonnet::privileged($uname,$udom)) &&
	(!$nothide{$uname.':'.$udom})) {
	next;
	}
	}
if ($end > 0 && $end < $now) {	if ($end > 0 && $end < $now) {
$status = 'previous';	$status = 'previous';
} elsif ($start > $now) {	} elsif ($start > $now) {
Line 5691 sub get_course_users {	Line 6339 sub get_course_users {
if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {	if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
push(@{$seclists{$uname.':'.$udom}},$usec);	push(@{$seclists{$uname.':'.$udom}},$usec);
}	}
	if (ref($statushash) eq 'HASH') {
	$statushash->{$uname.':'.$udom}{$role}{$usec} = $displaystatus{$status};
	}
}	}
}	}
}	}
Line 5700 sub get_course_users {	Line 6351 sub get_course_users {
my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);	my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
if ( defined($csettings{'internal.courseowner'}) ) {	if ( defined($csettings{'internal.courseowner'}) ) {
my $owner = $csettings{'internal.courseowner'};	my $owner = $csettings{'internal.courseowner'};
if ($owner !~ /^[^:]+:[^:]+$/) {	next if ($owner eq '');
$owner = $owner.':'.$cdom;	my ($ownername,$ownerdom);
	if ($owner =~ /^([^:]+):([^:]+)$/) {
	$ownername = $1;
	$ownerdom = $2;
	} else {
	$ownername = $owner;
	$ownerdom = $cdom;
	$owner = $ownername.':'.$ownerdom;
}	}
@{$$users{'ow'}{$owner}} = 'any';	@{$$users{'ow'}{$owner}} = 'any';
if (defined($userdata) &&	if (defined($userdata) &&
!exists($$userdata{$owner.':'.$cdom})) {	!exists($$userdata{$owner})) {
&get_user_info($cdom,$owner,\%idx,$userdata);	&get_user_info($ownerdom,$ownername,\%idx,$userdata);
if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {	if (!grep(/^none$/,@{$seclists{$owner}})) {
push(@{$seclists{$owner.':'.$cdom}},'none');	push(@{$seclists{$owner}},'none');
	}
	if (ref($statushash) eq 'HASH') {
	$statushash->{$owner}{'ow'}{'none'} = 'Any';
}	}
}	}
}	}
Line 5728 sub get_user_info {	Line 6389 sub get_user_info {
&plainname($uname,$udom,'lastname');	&plainname($uname,$udom,'lastname');
$$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;	$$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
$$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;	$$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
	my %idhash = &Apache::lonnet::idrget($udom,($uname));
	$$userdata{$uname.':'.$udom}[$$idx{id}] = $idhash{$uname};
return;	return;
}	}

Line 5848 sub default_quota {	Line 6511 sub default_quota {
my ($udom,$inststatus) = @_;	my ($udom,$inststatus) = @_;
my ($defquota,$settingstatus);	my ($defquota,$settingstatus);
my %quotahash = &Apache::lonnet::get_dom('configuration',	my %quotahash = &Apache::lonnet::get_dom('configuration',
['quota'],$udom);	['quotas'],$udom);
if (ref($quotahash{'quota'}) eq 'HASH') {	if (ref($quotahash{'quotas'}) eq 'HASH') {
if ($inststatus ne '') {	if ($inststatus ne '') {
my @statuses = split(/:/,$inststatus);	my @statuses = split(/:/,$inststatus);
foreach my $item (@statuses) {	foreach my $item (@statuses) {
if ($quotahash{'quota'}{$item} ne '') {	if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
if ($defquota eq '') {	if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') {
$defquota = $quotahash{'quota'}{$item};	if ($defquota eq '') {
$settingstatus = $item;	$defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
} elsif ($quotahash{'quota'}{$item} > $defquota) {	$settingstatus = $item;
$defquota = $quotahash{'quota'}{$item};	} elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) {
$settingstatus = $item;	$defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
	$settingstatus = $item;
	}
	}
	} else {
	if ($quotahash{'quotas'}{$item} ne '') {
	if ($defquota eq '') {
	$defquota = $quotahash{'quotas'}{$item};
	$settingstatus = $item;
	} elsif ($quotahash{'quotas'}{$item} > $defquota) {
	$defquota = $quotahash{'quotas'}{$item};
	$settingstatus = $item;
	}
}	}
}	}
}	}
}	}
if ($defquota eq '') {	if ($defquota eq '') {
$defquota = $quotahash{'quota'}{'default'};	if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
	$defquota = $quotahash{'quotas'}{'defaultquota'}{'default'};
	} else {
	$defquota = $quotahash{'quotas'}{'default'};
	}
$settingstatus = 'default';	$settingstatus = 'default';
}	}
} else {	} else {
Line 5917 sub get_secgrprole_info {	Line 6596 sub get_secgrprole_info {
}	}

sub user_picker {	sub user_picker {
my ($dom,$srch,$forcenewuser,$caller) = @_;	my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
my $currdom = $dom;	my $currdom = $dom;
my %curr_selected = (	my %curr_selected = (
srchin => 'dom',	srchin => 'dom',
srchby => 'lastname',	srchby => 'lastname',
);	);
my $srchterm;	my $srchterm;
if (ref($srch) eq 'HASH') {	if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) {
if ($srch->{'srchby'} ne '') {	if ($srch->{'srchby'} ne '') {
$curr_selected{'srchby'} = $srch->{'srchby'};	$curr_selected{'srchby'} = $srch->{'srchby'};
}	}
Line 6011 sub user_picker {	Line 6690 sub user_picker {
if ($forcenewuser) {	if ($forcenewuser) {
if (ref($srch) eq 'HASH') {	if (ref($srch) eq 'HASH') {
if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {	if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
$new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';	if ($cancreate) {
	$new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
	} else {
	my $helplink = ' href="javascript:helpMenu('."'display'".')"';
	my %usertypetext = (
	official => 'institutional',
	unofficial => 'non-institutional',
	);
	$new_user_create = '<br /><span class="LC_warning">'.&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.").' '.&mt('Contact the <a[_1]>helpdesk</a> for assistance.',$helplink).'</span><br /><br />';
	}
}	}
}	}

Line 6140 END_BLOCK	Line 6828 END_BLOCK
return $output;	return $output;
}	}

sub username_rule_check {	sub user_rule_check {
my ($srch,$caller) = @_;	my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
my ($response,@curr_rules,%inst_results,$rulematch);	my $response;
my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($srch->{'srchdomain'});	if (ref($usershash) eq 'HASH') {
if (ref($srch) eq 'HASH') {	foreach my $user (keys(%{$usershash})) {
(my $inst_response,%inst_results) =	my ($uname,$udom) = split(/:/,$user);
&Apache::lonnet::get_instuser($srch->{'srchdomain'},	next if ($udom eq '' \|\| $uname eq '');
$srch->{'srchterm'});	my ($id,$newuser);
my %domconfig = &Apache::lonnet::get_dom('configuration',	if (ref($usershash->{$user}) eq 'HASH') {
['usercreation'],$srch->{'srchdomain'});	$newuser = $usershash->{$user}->{'newuser'};
if (ref($domconfig{'usercreation'}) eq 'HASH') {	$id = $usershash->{$user}->{'id'};
if (ref($domconfig{'usercreation'}{'username_rule'}) eq 'ARRAY') {	}
@curr_rules = @{$domconfig{'usercreation'}{'username_rule'}};	my $inst_response;
}	if (ref($checks) eq 'HASH') {
}	if (defined($checks->{'username'})) {
if (@curr_rules > 0) {	($inst_response,%{$inst_results->{$user}}) =
my $domdesc = &Apache::lonnet::domain($srch->{'srchdomain'},'description');	&Apache::lonnet::get_instuser($udom,$uname);
my $instuser_reqd;	} elsif (defined($checks->{'id'})) {
my %rule_check = &Apache::lonnet::inst_rulecheck($srch->{'srchdomain'},$srch->{'srchterm'},\@curr_rules);	($inst_response,%{$inst_results->{$user}}) =
foreach my $rule (@curr_rules) {	&Apache::lonnet::get_instuser($udom,undef,$id);
if ($rule_check{$rule}) {	}
$rulematch = $rule;	} else {
if ($inst_response eq 'ok') {	($inst_response,%{$inst_results->{$user}}) =
if (keys(%inst_results) == 0) {	&Apache::lonnet::get_instuser($udom,$uname);
if ($caller eq 'new') {	return;
$response = &mt('The username you chose matches the format of usernames defined for <span class="LC_cusr_emph">[_1]</span>, but the user does not exist in the institutional directory.',$domdesc).'<br />'.&mt("You must choose a username with a different format -- one that will not conflict with 'official' institutional usernames.");	}
}	if (!$got_rules->{$udom}) {
	my %domconfig = &Apache::lonnet::get_dom('configuration',
	['usercreation'],$udom);
	if (ref($domconfig{'usercreation'}) eq 'HASH') {
	foreach my $item ('username','id') {
	if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
	$$curr_rules{$udom}{$item} =
	$domconfig{'usercreation'}{$item.'_rule'};
}	}
}	}
last;
}	}
	$got_rules->{$udom} = 1;
}	}
if ($response) {	foreach my $item (keys(%{$checks})) {
if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {	if (ref($$curr_rules{$udom}) eq 'HASH') {
if (@{$ruleorder} > 0) {	if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
$response .= '<br />'.&mt('Usernames with the following format(s) may <span class="LC_cusr_emph">only</span> be used for verified users at [_1]:',$domdesc).' <ul>';	if (@{$$curr_rules{$udom}{$item}} > 0) {
foreach my $rule (@{$ruleorder}) {	my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
if (grep(/^\Q$rule\E$/,@curr_rules)) {	foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
if (ref($rules->{$rule}) eq 'HASH') {	if ($rule_check{$rule}) {
$response .= '<li>'.$rules->{$rule}{'name'}.': '.	$$rulematch{$user}{$item} = $rule;
$rules->{$rule}{'desc'}.'</li>';	if ($inst_response eq 'ok') {
	if (ref($inst_results) eq 'HASH') {
	if (ref($inst_results->{$user}) eq 'HASH') {
	if (keys(%{$inst_results->{$user}}) == 0) {
	$$alerts{$item}{$udom}{$uname} = 1;
	}
	}
	}
	}
	last;
}	}
}	}
}	}
}	}
$response .= '</ul>';
}	}
}	}
}	}
}	}
return ($response,$rulematch,$rules,%inst_results);	return;
	}

	sub user_rule_formats {
	my ($domain,$domdesc,$curr_rules,$check) = @_;
	my %text = (
	'username' => 'Usernames',
	'id' => 'IDs',
	);
	my $output;
	my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
	if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
	if (@{$ruleorder} > 0) {
	$output = '<br />'.&mt("$text{$check} with the following format(s) may <span class=\"LC_cusr_emph\">only</span> be used for verified users at [_1]:",$domdesc).' <ul>';
	foreach my $rule (@{$ruleorder}) {
	if (ref($curr_rules) eq 'ARRAY') {
	if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
	if (ref($rules->{$rule}) eq 'HASH') {
	$output .= '<li>'.$rules->{$rule}{'name'}.': '.
	$rules->{$rule}{'desc'}.'</li>';
	}
	}
	}
	}
	$output .= '</ul>';
	}
	}
	return $output;
	}

	sub instrule_disallow_msg {
	my ($checkitem,$domdesc,$count,$mode) = @_;
	my $response;
	my %text = (
	item => 'username',
	items => 'usernames',
	match => 'matches',
	do => 'does',
	action => 'a username',
	one => 'one',
	);
	if ($count > 1) {
	$text{'item'} = 'usernames';
	$text{'match'} ='match';
	$text{'do'} = 'do';
	$text{'action'} = 'usernames',
	$text{'one'} = 'ones';
	}
	if ($checkitem eq 'id') {
	$text{'items'} = 'IDs';
	$text{'item'} = 'ID';
	$text{'action'} = 'an ID';
	if ($count > 1) {
	$text{'item'} = 'IDs';
	$text{'action'} = 'IDs';
	}
	}
	$response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",'<span class="LC_cusr_emph">'.$domdesc.'</span>').'<br />';
	if ($mode eq 'upload') {
	if ($checkitem eq 'username') {
	$response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
	} elsif ($checkitem eq 'id') {
	$response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
	}
	} elsif ($mode eq 'selfcreate') {
	if ($checkitem eq 'id') {
	$response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
	}
	} else {
	if ($checkitem eq 'username') {
	$response .= &mt("You must choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
	} elsif ($checkitem eq 'id') {
	$response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
	}
	}
	return $response;
	}

	sub personal_data_fieldtitles {
	my %fieldtitles = &Apache::lonlocal::texthash (
	id => 'Student/Employee ID',
	permanentemail => 'E-mail address',
	lastname => 'Last Name',
	firstname => 'First Name',
	middlename => 'Middle Name',
	generation => 'Generation',
	gen => 'Generation',
	);
	return %fieldtitles;
	}

	sub sorted_inst_types {
	my ($dom) = @_;
	my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
	my $othertitle = &mt('All users');
	if ($env{'request.course.id'}) {
	$othertitle = &mt('Any users');
	}
	my @types;
	if (ref($order) eq 'ARRAY') {
	@types = @{$order};
	}
	if (@types == 0) {
	if (ref($usertypes) eq 'HASH') {
	@types = sort(keys(%{$usertypes}));
	}
	}
	if (keys(%{$usertypes}) > 0) {
	$othertitle = &mt('Other users');
	}
	return ($othertitle,$usertypes,\@types);
	}

	sub get_institutional_codes {
	my ($settings,$allcourses,$LC_code) = @_;
	# Get complete list of course sections to update
	my @currsections = ();
	my @currxlists = ();
	my $coursecode = $$settings{'internal.coursecode'};

	if ($$settings{'internal.sectionnums'} ne '') {
	@currsections = split(/,/,$$settings{'internal.sectionnums'});
	}

	if ($$settings{'internal.crosslistings'} ne '') {
	@currxlists = split(/,/,$$settings{'internal.crosslistings'});
	}

	if (@currxlists > 0) {
	foreach (@currxlists) {
	if (m/^([^:]+):(\w*)$/) {
	unless (grep/^$1$/,@{$allcourses}) {
	push @{$allcourses},$1;
	$$LC_code{$1} = $2;
	}
	}
	}
	}

	if (@currsections > 0) {
	foreach (@currsections) {
	if (m/^(\w+):(\w*)$/) {
	my $sec = $coursecode.$1;
	my $lc_sec = $2;
	unless (grep/^$sec$/,@{$allcourses}) {
	push @{$allcourses},$sec;
	$$LC_code{$sec} = $lc_sec;
	}
	}
	}
	}
	return;
}	}

=pod	=pod
Line 6201 sub username_rule_check {	Line 7055 sub username_rule_check {

=over 4	=over 4

=item * get_unprocessed_cgi($query,$possible_names)	=item * &get_unprocessed_cgi($query,$possible_names)

Modify the %env hash to contain unprocessed CGI form parameters held in	Modify the %env hash to contain unprocessed CGI form parameters held in
$query. The parameters listed in $possible_names (an array reference),	$query. The parameters listed in $possible_names (an array reference),
Line 6230 sub get_unprocessed_cgi {	Line 7084 sub get_unprocessed_cgi {

=pod	=pod

=item * cacheheader()	=item * &cacheheader()

returns cache-controlling header code	returns cache-controlling header code

Line 6247 sub cacheheader {	Line 7101 sub cacheheader {

=pod	=pod

=item * no_cache($r)	=item * &no_cache($r)

specifies header code to not have cache	specifies header code to not have cache

Line 6283 sub content_type {	Line 7137 sub content_type {

=pod	=pod

=item * add_to_env($name,$value)	=item * &add_to_env($name,$value)

adds $name to the %env hash with value	adds $name to the %env hash with value
$value, if $name already exists, the entry is converted to an array	$value, if $name already exists, the entry is converted to an array
Line 6310 sub add_to_env {	Line 7164 sub add_to_env {

=pod	=pod

=item * get_env_multiple($name)	=item * &get_env_multiple($name)

gets $name from the %env hash, it seemlessly handles the cases where multiple	gets $name from the %env hash, it seemlessly handles the cases where multiple
values may be defined and end up as an array ref.	values may be defined and end up as an array ref.
Line 6333 sub get_env_multiple {	Line 7187 sub get_env_multiple {
return(@values);	return(@values);
}	}

	sub ask_for_embedded_content {
	my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
	my $upload_output = '
	<form name="upload_embedded" action="'.$actionurl.'"
	method="post" enctype="multipart/form-data">';
	$upload_output .= $state;
	$upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table();

	my $num = 0;
	foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
	$upload_output .= &start_data_table_row().
	'<td>'.$embed_file.'</td><td>';
	if ($args->{'ignore_remote_references'}
	&& $embed_file =~ m{^\w+://}) {
	$upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
	} elsif ($args->{'error_on_invalid_names'}
	&& $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {

	$upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';

	} else {
	$upload_output .='
	<input name="embedded_item_'.$num.'" type="file" value="" />
	<input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
	my $attrib = join(':',@{$$allfiles{$embed_file}});
	$upload_output .=
	"\n\t\t".
	'<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
	$attrib.'" />';
	if (exists($$codebase{$embed_file})) {
	$upload_output .=
	"\n\t\t".
	'<input name="codebase_'.$num.'" type="hidden" value="'.
	&escape($$codebase{$embed_file}).'" />';
	}
	}
	$upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
	$num++;
	}
	$upload_output .= &Apache::loncommon::end_data_table().'<br />
	<input type ="hidden" name="number_embedded_items" value="'.$num.'" />
	<input type ="submit" value="'.&mt('Upload Listed Files').'" />
	'.&mt('(only files for which a location has been provided will be uploaded)').'
	</form>';
	return $upload_output;
	}

	sub upload_embedded {
	my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
	$current_disk_usage) = @_;
	my $output;
	for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
	next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
	my $orig_uploaded_filename =
	$env{'form.embedded_item_'.$i.'.filename'};

	$env{'form.embedded_orig_'.$i} =
	&unescape($env{'form.embedded_orig_'.$i});
	my ($path,$fname) =
	($env{'form.embedded_orig_'.$i} =~ m{(./)([^/])});
	# no path, whole string is fname
	if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };

	$path = $env{'form.currentpath'}.$path;
	$fname = &Apache::lonnet::clean_filename($fname);
	# See if there is anything left
	next if ($fname eq '');

	# Check if file already exists as a file or directory.
	my ($state,$msg);
	if ($context eq 'portfolio') {
	my $port_path = $dirpath;
	if ($group ne '') {
	$port_path = "groups/$group/$port_path";
	}
	($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
	$dir_root,$port_path,$disk_quota,
	$current_disk_usage,$uname,$udom);
	if ($state eq 'will_exceed_quota'
	\|\| $state eq 'file_locked'
	\|\| $state eq 'file_exists' ) {
	$output .= $msg;
	next;
	}
	} elsif (($context eq 'author') \|\| ($context eq 'testbank')) {
	($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
	if ($state eq 'exists') {
	$output .= $msg;
	next;
	}
	}
	# Check if extension is valid
	if (($fname =~ /\.(\w+)$/) &&
	(&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
	$output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1);
	next;
	} elsif (($fname =~ /\.(\w+)$/) &&
	(!defined(&Apache::loncommon::fileembstyle($1)))) {
	$output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
	next;
	} elsif ($fname=~/\.(\d+)\.(\w+)$/) {
	$output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
	next;
	}

	$env{'form.embedded_item_'.$i.'.filename'}=$fname;
	if ($context eq 'portfolio') {
	my $result=
	&Apache::lonnet::userfileupload('embedded_item_'.$i,'',
	$dirpath.$path);
	if ($result !~ m\|^/uploaded/\|) {
	$output .= '<span class="LC_error">'
	.&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
	,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
	.'</span><br />';
	next;
	} else {
	$output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
	$path.$fname.'</span>').'</p>';
	}
	} else {
	# Save the file
	my $target = $env{'form.embedded_item_'.$i};
	my $fullpath = $dir_root.$dirpath.'/'.$path;
	my $dest = $fullpath.$fname;
	my $url = $url_root.$dirpath.'/'.$path.$fname;
	my @parts=split(/\//,$fullpath);
	my $count;
	my $filepath = $dir_root;
	for ($count=4;$count<=$#parts;$count++) {
	$filepath .= "/$parts[$count]";
	if ((-e $filepath)!=1) {
	mkdir($filepath,0770);
	}
	}
	my $fh;
	if (!open($fh,'>'.$dest)) {
	&Apache::lonnet::logthis('Failed to create '.$dest);
	$output .= '<span class="LC_error">'.
	&mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
	'</span><br />';
	} else {
	if (!print $fh $env{'form.embedded_item_'.$i}) {
	&Apache::lonnet::logthis('Failed to write to '.$dest);
	$output .= '<span class="LC_error">'.
	&mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
	'</span><br />';
	} else {
	if ($context eq 'testbank') {
	$output .= &mt('Embedded file uploaded successfully:').
	' <a href="'.$url.'">'.
	$orig_uploaded_filename.'</a><br />';
	} else {
	$output .= '<font size="+2">'.
	&mt('View embedded file: [_1]','<a href="'.$url.'">'.
	$orig_uploaded_filename.'</a>').'</font><br />';
	}
	}
	close($fh);
	}
	}
	}
	return $output;
	}

	sub check_for_existing {
	my ($path,$fname,$element) = @_;
	my ($state,$msg);
	if (-d $path.'/'.$fname) {
	$state = 'exists';
	$msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
	} elsif (-e $path.'/'.$fname) {
	$state = 'exists';
	$msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
	}
	if ($state eq 'exists') {
	$msg = '<span class="LC_error">'.$msg.'</span><br />';
	}
	return ($state,$msg);
	}

	sub check_for_upload {
	my ($path,$fname,$group,$element,$portfolio_root,$port_path,
	$disk_quota,$current_disk_usage,$uname,$udom) = @_;
	my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
	my $getpropath = 1;
	my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
	$getpropath);
	my $found_file = 0;
	my $locked_file = 0;
	foreach my $line (@dir_list) {
	my ($file_name)=split(/\&/,$line,2);
	if ($file_name eq $fname){
	$file_name = $path.$file_name;
	if ($group ne '') {
	$file_name = $group.$file_name;
	}
	$found_file = 1;
	if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
	$locked_file = 1;
	}
	}
	}
	if (($current_disk_usage + $filesize) > $disk_quota){
	my $msg = '<span class="LC_error">'.
	&mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
	'<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
	return ('will_exceed_quota',$msg);
	} elsif ($found_file) {
	if ($locked_file) {
	my $msg = '<span class="LC_error">';
	$msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
	$msg .= '</span><br />';
	$msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
	return ('file_locked',$msg);
	} else {
	my $msg = '<span class="LC_error">';
	$msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
	$msg .= '</span>';
	$msg .= '<br />';
	$msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'});
	return ('file_exists',$msg);
	}
	}
	}


=pod	=pod

Line 6342 sub get_env_multiple {	Line 7422 sub get_env_multiple {

=over 4	=over 4

=item * upfile_store($r)	=item * &upfile_store($r)

Store uploaded file, $r should be the HTTP Request object,	Store uploaded file, $r should be the HTTP Request object,
needs $env{'form.upfile'}	needs $env{'form.upfile'}
Line 6372 sub upfile_store {	Line 7452 sub upfile_store {

=pod	=pod

=item * load_tmp_file($r)	=item * &load_tmp_file($r)

Load uploaded file from tmp, $r should be the HTTP Request object,	Load uploaded file from tmp, $r should be the HTTP Request object,
needs $env{'form.datatoken'},	needs $env{'form.datatoken'},
Line 6396 sub load_tmp_file {	Line 7476 sub load_tmp_file {

=pod	=pod

=item * upfile_record_sep()	=item * &upfile_record_sep()

Separate uploaded file into records	Separate uploaded file into records
returns array of records,	returns array of records,
Line 6418 sub upfile_record_sep {	Line 7498 sub upfile_record_sep {

=pod	=pod

=item * record_sep($record)	=item * &record_sep($record)

Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}	Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}

Line 6503 sub record_sep {	Line 7583 sub record_sep {

=pod	=pod

=item * upfile_select_html()	=item * &upfile_select_html()

Return HTML code to select a file from the users machine and specify	Return HTML code to select a file from the users machine and specify
the file type.	the file type.
Line 6550 sub get_samples {	Line 7630 sub get_samples {

=pod	=pod

=item * csv_print_samples($r,$records)	=item * &csv_print_samples($r,$records)

Prints a table of sample values from each column uploaded $r is an	Prints a table of sample values from each column uploaded $r is an
Apache Request ref, $records is an arrayref from	Apache Request ref, $records is an arrayref from
Line 6562 Apache Request ref, $records is an array	Line 7642 Apache Request ref, $records is an array
######################################################	######################################################
sub csv_print_samples {	sub csv_print_samples {
my ($r,$records) = @_;	my ($r,$records) = @_;
my $samples = &get_samples($records,3);	my $samples = &get_samples($records,5);

$r->print(&mt('Samples').'<br /><table border="2"><tr>');	$r->print(&mt('Samples').'<br />'.&start_data_table().
	&start_data_table_header_row());
foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {	foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
$r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }	$r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
$r->print('</tr>');	$r->print(&end_data_table_header_row());
foreach my $hash (@$samples) {	foreach my $hash (@$samples) {
$r->print('<tr>');	$r->print(&start_data_table_row());
foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {	foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
$r->print('<td>');	$r->print('<td>');
if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }	if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
$r->print('</td>');	$r->print('</td>');
}	}
$r->print('</tr>');	$r->print(&end_data_table_row());
}	}
$r->print('</tr></table><br />'."\n");	$r->print(&end_data_table().'<br />'."\n");
}	}

######################################################	######################################################
Line 6585 sub csv_print_samples {	Line 7666 sub csv_print_samples {

=pod	=pod

=item * csv_print_select_table($r,$records,$d)	=item * &csv_print_select_table($r,$records,$d)

Prints a table to create associations between values and table columns.	Prints a table to create associations between values and table columns.

Line 6602 sub csv_print_select_table {	Line 7683 sub csv_print_select_table {
my $i=0;	my $i=0;
my $samples = &get_samples($records,1);	my $samples = &get_samples($records,1);
$r->print(&mt('Associate columns with student attributes.')."\n".	$r->print(&mt('Associate columns with student attributes.')."\n".
'<table border="2"><tr>'.	&start_data_table().&start_data_table_header_row().
'<th>'.&mt('Attribute').'</th>'.	'<th>'.&mt('Attribute').'</th>'.
'<th>'.&mt('Column').'</th></tr>'."\n");	'<th>'.&mt('Column').'</th>'.
	&end_data_table_header_row()."\n");
foreach my $array_ref (@$d) {	foreach my $array_ref (@$d) {
my ($value,$display,$defaultcol)=@{ $array_ref };	my ($value,$display,$defaultcol)=@{ $array_ref };
$r->print('<tr><td>'.$display.'</td>');	$r->print(&start_data_table_row().'<td>'.$display.'</td>');

$r->print('<td><select name=f'.$i.	$r->print('<td><select name=f'.$i.
' onchange="javascript:flip(this.form,'.$i.');">');	' onchange="javascript:flip(this.form,'.$i.');">');
Line 6615 sub csv_print_select_table {	Line 7697 sub csv_print_select_table {
foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {	foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
$r->print('<option value="'.$sample.'"'.	$r->print('<option value="'.$sample.'"'.
($sample eq $defaultcol ? ' selected="selected" ' : '').	($sample eq $defaultcol ? ' selected="selected" ' : '').
'>Column '.($sample+1).'</option>');	'>'.&mt('Column [_1]',($sample+1)).'</option>');
}	}
$r->print('</select></td></tr>'."\n");	$r->print('</select></td>'.&end_data_table_row()."\n");
$i++;	$i++;
}	}
	$r->print(&end_data_table());
$i--;	$i--;
return $i;	return $i;
}	}
Line 6629 sub csv_print_select_table {	Line 7712 sub csv_print_select_table {

=pod	=pod

=item * csv_samples_select_table($r,$records,$d)	=item * &csv_samples_select_table($r,$records,$d)

Prints a table of sample values from the upload and can make associate samples to internal names.	Prints a table of sample values from the upload and can make associate samples to internal names.

Line 6645 sub csv_samples_select_table {	Line 7728 sub csv_samples_select_table {
my ($r,$records,$d) = @_;	my ($r,$records,$d) = @_;
my $i=0;	my $i=0;
#	#
my $samples = &get_samples($records,3);	my $max_samples = 5;
$r->print('<table border=2><tr><th>'.	my $samples = &get_samples($records,$max_samples);
&mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');	$r->print(&start_data_table().
	&start_data_table_header_row().'<th>'.
	&mt('Field').'</th><th>'.&mt('Samples').'</th>'.
	&end_data_table_header_row());

foreach my $key (sort(keys(%{ $samples->[0] }))) {	foreach my $key (sort(keys(%{ $samples->[0] }))) {
$r->print('<tr><td><select name="f'.$i.'"'.	$r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
' onchange="javascript:flip(this.form,'.$i.');">');	' onchange="javascript:flip(this.form,'.$i.');">');
foreach my $option (@$d) {	foreach my $option (@$d) {
my ($value,$display,$defaultcol)=@{ $option };	my ($value,$display,$defaultcol)=@{ $option };
Line 6659 sub csv_samples_select_table {	Line 7745 sub csv_samples_select_table {
$display.'</option>');	$display.'</option>');
}	}
$r->print('</select></td><td>');	$r->print('</select></td><td>');
foreach my $line (0..2) {	foreach my $line (0..($max_samples-1)) {
if (defined($samples->[$line]{$key})) {	if (defined($samples->[$line]{$key})) {
$r->print($samples->[$line]{$key}."<br />\n");	$r->print($samples->[$line]{$key}."<br />\n");
}	}
}	}
$r->print('</td></tr>');	$r->print('</td>'.&end_data_table_row());
$i++;	$i++;
}	}
	$r->print(&end_data_table());
$i--;	$i--;
return($i);	return($i);
}	}
Line 6676 sub csv_samples_select_table {	Line 7763 sub csv_samples_select_table {

=pod	=pod

=item clean_excel_name($name)	=item * &clean_excel_name($name)

Returns a replacement for $name which does not contain any illegal characters.	Returns a replacement for $name which does not contain any illegal characters.

Line 6695 sub clean_excel_name {	Line 7782 sub clean_excel_name {

=pod	=pod

=item * check_if_partid_hidden($id,$symb,$udom,$uname)	=item * &check_if_partid_hidden($id,$symb,$udom,$uname)

Returns either 1 or undef	Returns either 1 or undef

Line 6736 sub check_if_partid_hidden {	Line 7823 sub check_if_partid_hidden {

=over 4	=over 4

=item get_cgi_id	=item * &get_cgi_id()

Inputs: none	Inputs: none

Line 6760 sub get_cgi_id {	Line 7847 sub get_cgi_id {

=pod	=pod

=item DrawBarGraph	=item * &DrawBarGraph()

Facilitates the plotting of data in a (stacked) bar graph.	Facilitates the plotting of data in a (stacked) bar graph.
Puts plot definition data into the users environment in order for	Puts plot definition data into the users environment in order for
Line 6895 sub DrawBarGraph {	Line 7982 sub DrawBarGraph {
$ValuesHash{$id.'.'.$key} = $value;	$ValuesHash{$id.'.'.$key} = $value;
}	}
#	#
&Apache::lonnet::appenv(%ValuesHash);	&Apache::lonnet::appenv(\%ValuesHash);
return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';	return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
}	}

Line 6904 sub DrawBarGraph {	Line 7991 sub DrawBarGraph {

=pod	=pod

=item DrawXYGraph	=item * &DrawXYGraph()

Facilitates the plotting of data in an XY graph.	Facilitates the plotting of data in an XY graph.
Puts plot definition data into the users environment in order for	Puts plot definition data into the users environment in order for
Line 6985 sub DrawXYGraph {	Line 8072 sub DrawXYGraph {
$ValuesHash{$id.'.'.$key} = $value;	$ValuesHash{$id.'.'.$key} = $value;
}	}
#	#
&Apache::lonnet::appenv(%ValuesHash);	&Apache::lonnet::appenv(\%ValuesHash);
return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';	return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
}	}

Line 6994 sub DrawXYGraph {	Line 8081 sub DrawXYGraph {

=pod	=pod

=item DrawXYYGraph	=item * &DrawXYYGraph()

Facilitates the plotting of data in an XY graph with two Y axes.	Facilitates the plotting of data in an XY graph with two Y axes.
Puts plot definition data into the users environment in order for	Puts plot definition data into the users environment in order for
Line 7087 sub DrawXYYGraph {	Line 8174 sub DrawXYYGraph {
$ValuesHash{$id.'.'.$key} = $value;	$ValuesHash{$id.'.'.$key} = $value;
}	}
#	#
&Apache::lonnet::appenv(%ValuesHash);	&Apache::lonnet::appenv(\%ValuesHash);
return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';	return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
}	}

Line 7104 Bad place for them but what the hell.	Line 8191 Bad place for them but what the hell.

=over 4	=over 4

=item &chartlink	=item * &chartlink()

Returns a link to the chart for a specific student.	Returns a link to the chart for a specific student.

Line 7143 sub chartlink {	Line 8230 sub chartlink {

=over 4	=over 4

=item &restore_course_settings	=item * &restore_course_settings()

=item &store_course_settings	=item * &store_course_settings()

Restores/Store indicated form parameters from the course environment.	Restores/Store indicated form parameters from the course environment.
Will not overwrite existing values of the form parameters.	Will not overwrite existing values of the form parameters.
Line 7165 a hash ref describing the data to be sto	Line 8252 a hash ref describing the data to be sto

Returns: both routines return nothing	Returns: both routines return nothing

	=back

=cut	=cut

#######################################################	#######################################################
Line 7217 sub store_settings {	Line 8306 sub store_settings {
'got error:'.$put_result);	'got error:'.$put_result);
}	}
# Make sure these settings stick around in this session, too	# Make sure these settings stick around in this session, too
&Apache::lonnet::appenv(%AppHash);	&Apache::lonnet::appenv(\%AppHash);
return;	return;
}	}

Line 7245 sub restore_settings {	Line 8334 sub restore_settings {
}	}
}	}

	#######################################################
	#######################################################

	=pod

	=head1 Domain E-mail Routines

	=over 4

	=item * &build_recipient_list()

	Build recipient lists for three types of e-mail:
	(a) Error Reports, (b) Package Updates, (c) Help requests, generated by
	lonerrorhandler.pm, CHECKRPMS and lonsupportreq.pm respectively.

	Inputs:
	defmail (scalar - email address of default recipient),
	mailing type (scalar - errormail, packagesmail, or helpdeskmail),
	defdom (domain for which to retrieve configuration settings),
	origmail (scalar - email address of recipient from loncapa.conf,
	i.e., predates configuration by DC via domainprefs.pm

	Returns: comma separated list of addresses to which to send e-mail.

	=back

	=cut

############################################################	############################################################
############################################################	############################################################
	sub build_recipient_list {
	my ($defmail,$mailing,$defdom,$origmail) = @_;
	my @recipients;
	my $otheremails;
	my %domconfig =
	&Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
	if (ref($domconfig{'contacts'}) eq 'HASH') {
	if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
	my @contacts = ('adminemail','supportemail');
	foreach my $item (@contacts) {
	if ($domconfig{'contacts'}{$mailing}{$item}) {
	my $addr = $domconfig{'contacts'}{$item};
	if (!grep(/^\Q$addr\E$/,@recipients)) {
	push(@recipients,$addr);
	}
	}
	$otheremails = $domconfig{'contacts'}{$mailing}{'others'};
	}
	}
	} elsif ($origmail ne '') {
	push(@recipients,$origmail);
	}
	if (defined($defmail)) {
	if ($defmail ne '') {
	push(@recipients,$defmail);
	}
	}
	if ($otheremails) {
	my @others;
	if ($otheremails =~ /,/) {
	@others = split(/,/,$otheremails);
	} else {
	push(@others,$otheremails);
	}
	foreach my $addr (@others) {
	if (!grep(/^\Q$addr\E$/,@recipients)) {
	push(@recipients,$addr);
	}
	}
	}
	my $recipientlist = join(',',@recipients);
	return $recipientlist;
	}

	############################################################
	############################################################

	=pod

	=head1 Course Catalog Routines

	=over 4

	=item * &gather_categories()

	Converts category definitions - keys of categories hash stored in
	coursecategories in configuration.db on the primary library server in a
	domain - to an array. Also generates javascript and idx hash used to
	generate Domain Coordinator interface for editing Course Categories.

	Inputs:

	categories (reference to hash of category definitions).

	cats (reference to array of arrays/hashes which encapsulates hierarchy of
	categories and subcategories).

	idx (reference to hash of counters used in Domain Coordinator interface for
	editing Course Categories).

	jsarray (reference to array of categories used to create Javascript arrays for
	Domain Coordinator interface for editing Course Categories).

	Returns: nothing

	Side effects: populates cats, idx and jsarray.

	=cut

	sub gather_categories {
	my ($categories,$cats,$idx,$jsarray) = @_;
	my %counters;
	my $num = 0;
	foreach my $item (keys(%{$categories})) {
	my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
	if ($container eq '' && $depth == 0) {
	$cats->[$depth][$categories->{$item}] = $cat;
	} else {
	$cats->[$depth]{$container}[$categories->{$item}] = $cat;
	}
	my ($escitem,$tail) = split(/:/,$item,2);
	if ($counters{$tail} eq '') {
	$counters{$tail} = $num;
	$num ++;
	}
	if (ref($idx) eq 'HASH') {
	$idx->{$item} = $counters{$tail};
	}
	if (ref($jsarray) eq 'ARRAY') {
	push(@{$jsarray->[$counters{$tail}]},$item);
	}
	}
	return;
	}

	=pod

	=item * &extract_categories()

	Used to generate breadcrumb trails for course categories.

	Inputs:

	categories (reference to hash of category definitions).

	cats (reference to array of arrays/hashes which encapsulates hierarchy of
	categories and subcategories).

	trails (reference to array of breacrumb trails for each category).

	allitems (reference to hash - key is category key
	(format: escaped(name):escaped(parent category):depth in hierarchy).

	idx (reference to hash of counters used in Domain Coordinator interface for
	editing Course Categories).

	jsarray (reference to array of categories used to create Javascript arrays for
	Domain Coordinator interface for editing Course Categories).

	subcats (reference to hash of arrays containing all subcategories within each
	category, -recursive)

	Returns: nothing

	Side effects: populates trails and allitems hash references.

	=cut

	sub extract_categories {
	my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
	if (ref($categories) eq 'HASH') {
	&gather_categories($categories,$cats,$idx,$jsarray);
	if (ref($cats->[0]) eq 'ARRAY') {
	for (my $i=0; $i<@{$cats->[0]}; $i++) {
	my $name = $cats->[0][$i];
	my $item = &escape($name).'::0';
	my $trailstr;
	if ($name eq 'instcode') {
	$trailstr = &mt('Official courses (with institutional codes)');
	} else {
	$trailstr = $name;
	}
	if ($allitems->{$item} eq '') {
	push(@{$trails},$trailstr);
	$allitems->{$item} = scalar(@{$trails})-1;
	}
	my @parents = ($name);
	if (ref($cats->[1]{$name}) eq 'ARRAY') {
	for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
	my $category = $cats->[1]{$name}[$j];
	if (ref($subcats) eq 'HASH') {
	push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
	}
	&recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
	}
	} else {
	if (ref($subcats) eq 'HASH') {
	$subcats->{$item} = [];
	}
	}
	}
	}
	}
	return;
	}

	=pod

	=item *&recurse_categories()

	Recursively used to generate breadcrumb trails for course categories.

	Inputs:

	cats (reference to array of arrays/hashes which encapsulates hierarchy of
	categories and subcategories).

	depth (current depth in hierarchy of categories and sub-categories - 0 indexed).

	category (current course category, for which breadcrumb trail is being generated).

	trails (reference to array of breadcrumb trails for each category).

	allitems (reference to hash - key is category key
	(format: escaped(name):escaped(parent category):depth in hierarchy).

	parents (array containing containers directories for current category,
	back to top level).

	Returns: nothing

	Side effects: populates trails and allitems hash references

	=cut

	sub recurse_categories {
	my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
	my $shallower = $depth - 1;
	if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
	for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
	my $name = $cats->[$depth]{$category}[$k];
	my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
	my $trailstr = join(' -> ',(@{$parents},$category));
	if ($allitems->{$item} eq '') {
	push(@{$trails},$trailstr);
	$allitems->{$item} = scalar(@{$trails})-1;
	}
	my $deeper = $depth+1;
	push(@{$parents},$category);
	if (ref($subcats) eq 'HASH') {
	my $subcat = &escape($name).':'.$category.':'.$depth;
	for (my $j=@{$parents}; $j>=0; $j--) {
	my $higher;
	if ($j > 0) {
	$higher = &escape($parents->[$j]).':'.
	&escape($parents->[$j-1]).':'.$j;
	} else {
	$higher = &escape($parents->[$j]).'::'.$j;
	}
	push(@{$subcats->{$higher}},$subcat);
	}
	}
	&recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
	$subcats);
	pop(@{$parents});
	}
	} else {
	my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
	my $trailstr = join(' -> ',(@{$parents},$category));
	if ($allitems->{$item} eq '') {
	push(@{$trails},$trailstr);
	$allitems->{$item} = scalar(@{$trails})-1;
	}
	}
	return;
	}

	=pod

	=item *&assign_categories_table()

	Create a datatable for display of hierarchical categories in a domain,
	with checkboxes to allow a course to be categorized.

	Inputs:

	cathash - reference to hash of categories defined for the domain (from
	configuration.db)

	currcat - scalar with an & separated list of categories assigned to a course.

	Returns: $output (markup to be displayed)

	=cut

	sub assign_categories_table {
	my ($cathash,$currcat) = @_;
	my $output;
	if (ref($cathash) eq 'HASH') {
	my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
	&extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
	$maxdepth = scalar(@cats);
	if (@cats > 0) {
	my $itemcount = 0;
	if (ref($cats[0]) eq 'ARRAY') {
	$output = &Apache::loncommon::start_data_table();
	my @currcategories;
	if ($currcat ne '') {
	@currcategories = split('&',$currcat);
	}
	for (my $i=0; $i<@{$cats[0]}; $i++) {
	my $parent = $cats[0][$i];
	my $css_class = $itemcount%2?' class="LC_odd_row"':'';
	next if ($parent eq 'instcode');
	my $item = &escape($parent).'::0';
	my $checked = '';
	if (@currcategories > 0) {
	if (grep(/^\Q$item\E$/,@currcategories)) {
	$checked = ' checked="checked" ';
	}
	}
	$output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
	'<input type="checkbox" name="usecategory" value="'.
	$item.'"'.$checked.' />'.$parent.'</span>'.
	'<input type="hidden" name="catname" value="'.$parent.'" /></td>';
	my $depth = 1;
	push(@path,$parent);
	$output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
	pop(@path);
	$output .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
	$itemcount ++;
	}
	$output .= &Apache::loncommon::end_data_table();
	}
	}
	}
	return $output;
	}

	=pod

	=item *&assign_category_rows()

	Create a datatable row for display of nested categories in a domain,
	with checkboxes to allow a course to be categorized,called recursively.

	Inputs:

	itemcount - track row number for alternating colors

	cats - reference to array of arrays/hashes which encapsulates hierarchy of
	categories and subcategories.

	depth - current depth in hierarchy of categories and sub-categories - 0 indexed.

	parent - parent of current category item

	path - Array containing all categories back up through the hierarchy from the
	current category to the top level.

	currcategories - reference to array of current categories assigned to the course

	Returns: $output (markup to be displayed).

	=cut

	sub assign_category_rows {
	my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
	my ($text,$name,$item,$chgstr);
	if (ref($cats) eq 'ARRAY') {
	my $maxdepth = scalar(@{$cats});
	if (ref($cats->[$depth]) eq 'HASH') {
	if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
	my $numchildren = @{$cats->[$depth]{$parent}};
	my $css_class = $itemcount%2?' class="LC_odd_row"':'';
	$text .= '<td><table class="LC_datatable">';
	for (my $j=0; $j<$numchildren; $j++) {
	$name = $cats->[$depth]{$parent}[$j];
	$item = &escape($name).':'.&escape($parent).':'.$depth;
	my $deeper = $depth+1;
	my $checked = '';
	if (ref($currcategories) eq 'ARRAY') {
	if (@{$currcategories} > 0) {
	if (grep(/^\Q$item\E$/,@{$currcategories})) {
	$checked = ' checked="checked" ';
	}
	}
	}
	$text .= '<tr><td><span class="LC_nobreak"><label>'.
	'<input type="checkbox" name="usecategory" value="'.
	$item.'"'.$checked.' />'.$name.'</label></span>'.
	'<input type="hidden" name="catname" value="'.$name.'" />'.
	'</td><td>';
	if (ref($path) eq 'ARRAY') {
	push(@{$path},$name);
	$text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
	pop(@{$path});
	}
	$text .= '</td></tr>';
	}
	$text .= '</table></td>';
	}
	}
	}
	return $text;
	}

	############################################################
	############################################################


sub commit_customrole {	sub commit_customrole {
my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;	my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_;
my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.	my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
($start?', '.&mt('starting').' '.localtime($start):'').	($start?', '.&mt('starting').' '.localtime($start):'').
($end?', ending '.localtime($end):'').': <b>'.	($end?', ending '.localtime($end):'').': <b>'.
&Apache::lonnet::assigncustomrole(	&Apache::lonnet::assigncustomrole(
$udom,$uname,$url,$three,$four,$five,$end,$start).	$udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
'</b><br />';	'</b><br />';
return $output;	return $output;
}	}
Line 7271 sub commit_standardrole {	Line 8768 sub commit_standardrole {
my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,	my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
$one,$two,$sec,$context);	$one,$two,$sec,$context);
if (($result =~ /^error/) \|\| ($result eq 'not_in_class') \|\|	if (($result =~ /^error/) \|\| ($result eq 'not_in_class') \|\|
($result eq 'unknown_course')) {	($result eq 'unknown_course') \|\| ($result eq 'refused')) {
$output = "Error: $result\n";	$output = $logmsg.' '.&mt('Error: ').$result."\n";
} else {	} else {
$output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.	$output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
($start?', '.&mt('starting').' '.localtime($start):'').	($start?', '.&mt('starting').' '.localtime($start):'').
Line 7289 sub commit_standardrole {	Line 8786 sub commit_standardrole {
$output = &mt('Assigning').' '.$three.' in '.$url.	$output = &mt('Assigning').' '.$three.' in '.$url.
($start?', '.&mt('starting').' '.localtime($start):'').	($start?', '.&mt('starting').' '.localtime($start):'').
($end?', '.&mt('ending').' '.localtime($end):'').': ';	($end?', '.&mt('ending').' '.localtime($end):'').': ';
my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);	my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
if ($context eq 'auto') {	if ($context eq 'auto') {
$output .= $result.$linefeed;	$output .= $result.$linefeed;
} else {	} else {
Line 7301 sub commit_standardrole {	Line 8798 sub commit_standardrole {

sub commit_studentrole {	sub commit_studentrole {
my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;	my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
my ($result,$linefeed);	my ($result,$linefeed,$oldsecurl,$newsecurl);
if ($context eq 'auto') {	if ($context eq 'auto') {
$linefeed = "\n";	$linefeed = "\n";
} else {	} else {
Line 7313 sub commit_studentrole {	Line 8810 sub commit_studentrole {
my $secchange = 0;	my $secchange = 0;
my $expire_role_result;	my $expire_role_result;
my $modify_section_result;	my $modify_section_result;
unless ($oldsec eq '-1') {	if ($oldsec ne '-1') {
unless ($sec eq $oldsec) {	if ($oldsec ne $sec) {
$secchange = 1;	$secchange = 1;
	my $now = time;
my $uurl='/'.$cid;	my $uurl='/'.$cid;
$uurl=~s/\_/\//g;	$uurl=~s/\_/\//g;
if ($oldsec) {	if ($oldsec) {
$uurl.='/'.$oldsec;	$uurl.='/'.$oldsec;
}	}
$expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);	$oldsecurl = $uurl;
	$expire_role_result =
	&Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
	if ($env{'request.course.sec'} ne '') {
	if ($expire_role_result eq 'refused') {
	my @roles = ('st');
	my @statuses = ('previous');
	my @roledoms = ($one);
	my $withsec = 1;
	my %roleshash =
	&Apache::lonnet::get_my_roles($uname,$udom,'userroles',
	\@statuses,\@roles,\@roledoms,$withsec);
	if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
	my ($oldstart,$oldend) =
	split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
	if ($oldend > 0 && $oldend <= $now) {
	$expire_role_result = 'ok';
	}
	}
	}
	}
$result = $expire_role_result;	$result = $expire_role_result;
}	}
}	}
if (($expire_role_result eq 'ok') \|\| ($secchange == 0)) {	if (($expire_role_result eq 'ok') \|\| ($secchange == 0)) {
$modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);	$modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
if ($modify_section_result =~ /^ok/) {	if ($modify_section_result =~ /^ok/) {
if ($secchange == 1) {	if ($secchange == 1) {
$$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;	if ($sec eq '') {
	$$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
	} else {
	$$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
	}
} elsif ($oldsec eq '-1') {	} elsif ($oldsec eq '-1') {
$$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;	if ($sec eq '') {
	$$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
	} else {
	$$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
	}
} else {	} else {
$$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;	if ($sec eq '') {
	$$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
	} else {
	$$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
	}
}	}
} else {	} else {
$$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;	if ($secchange) {
	$$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
	} else {
	$$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
	}
}	}
$result = $modify_section_result;	$result = $modify_section_result;
} elsif ($secchange == 1) {	} elsif ($secchange == 1) {
$$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;	if ($oldsec eq '') {
	$$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
	} else {
	$$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
	}
	if ($expire_role_result eq 'refused') {
	my $newsecurl = '/'.$cid;
	$newsecurl =~ s/\_/\//g;
	if ($sec ne '') {
	$newsecurl.='/'.$sec;
	}
	if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
	if ($sec eq '') {
	$$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
	} else {
	$$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed;
	}
	}
	}
}	}
} else {	} else {
$$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";	$$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed;
$result = "error: incomplete course id\n";	$result = "error: incomplete course id\n";
}	}
return $result;	return $result;
Line 7455 sub construct_course {	Line 9007 sub construct_course {
$outcome .= $clonemsg.$linefeed;	$outcome .= $clonemsg.$linefeed;
my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);	my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
# Copy all files	# Copy all files
&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);	&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
# Restore URL	# Restore URL
$cenv{'url'}=$oldcenv{'url'};	$cenv{'url'}=$oldcenv{'url'};
# Restore title	# Restore title
$cenv{'description'}=$oldcenv{'description'};	$cenv{'description'}=$oldcenv{'description'};
# restore grading mode
if (defined($oldcenv{'grading'})) {
$cenv{'grading'}=$oldcenv{'grading'};
}
# Mark as cloned	# Mark as cloned
$cenv{'clonedfrom'}=$cloneid;	$cenv{'clonedfrom'}=$cloneid;
delete($cenv{'default_enrollment_start_date'});	# Need to clone grading mode
delete($cenv{'default_enrollment_end_date'});	my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
	$cenv{'grading'}=$newenv{'grading'};
	# Do not clone these environment entries
	&Apache::lonnet::del('environment',
	['default_enrollment_start_date',
	'default_enrollment_end_date',
	'question.email',
	'policy.email',
	'comment.email',
	'pch.users.denied',
	'plc.users.denied'],
	$$crsudom,$$crsunum);
}	}

#	#
Line 7495 sub construct_course {	Line 9054 sub construct_course {
} else {	} else {
$cenv{'internal.courseowner'} = $args->{'curruser'};	$cenv{'internal.courseowner'} = $args->{'curruser'};
}	}

my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.	my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
if ($args->{'crssections'}) {	if ($args->{'crssections'}) {
$cenv{'internal.sectionnums'} = '';	$cenv{'internal.sectionnums'} = '';
Line 7555 sub construct_course {	Line 9113 sub construct_course {
}	}
if ($args->{'notify_dc'}) {	if ($args->{'notify_dc'}) {
if ($uname ne '') {	if ($uname ne '') {
push(@notified,$uname.'@'.$udom);	push(@notified,$uname.':'.$udom);
}	}
}	}
if (@notified > 0) {	if (@notified > 0) {
Line 7695 sub construct_course {	Line 9253 sub construct_course {
$outcome .= ($fatal?$errtext:'read ok').' - ';	$outcome .= ($fatal?$errtext:'read ok').' - ';
my $title; my $url;	my $title; my $url;
if ($args->{'firstres'} eq 'syl') {	if ($args->{'firstres'} eq 'syl') {
$title='Syllabus';	$title=&mt('Syllabus');
$url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';	$url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
} else {	} else {
$title='Navigate Contents';	$title=&mt('Navigate Contents');
$url='/adm/navmaps';	$url='/adm/navmaps';
}	}

Line 7752 sub icon {	Line 9310 sub icon {
return &lonhttpdurl($iconname);	return &lonhttpdurl($iconname);
}	}

sub lonhttpd_port {
my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
# IE doesn't like a secure page getting images from a non-secure
# port (when logging we haven't parsed the browser type so default
# back to secure
if ((!exists($env{'browser.type'}) \|\| $env{'browser.type'} eq 'explorer')
&& $ENV{'SERVER_PORT'} == 443) {
return 443;
}
return $lonhttpd_port;

}

sub lonhttpdurl {	sub lonhttpdurl {
	#
	# Had been used for "small fry" static images on separate port 8080.
	# Modify here if lightweight http functionality desired again.
	# Currently eliminated due to increasing firewall issues.
	#
my ($url)=@_;	my ($url)=@_;
	return $url;
my $lonhttpd_port = &lonhttpd_port();
if ($lonhttpd_port == 443) {
return 'https://'.$ENV{'SERVER_NAME'}.$url;
}
return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
}	}

sub connection_aborted {	sub connection_aborted {
Line 7851 sub init_user_environment {	Line 9395 sub init_user_environment {
}	}
# Give them a new cookie	# Give them a new cookie
my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}	my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
: $now);	: $now.$$.int(rand(10000)));
$cookie="$username\_$id\_$domain\_$authhost";	$cookie="$username\_$id\_$domain\_$authhost";

# Initialize roles	# Initialize roles
Line 7966 sub init_user_environment {	Line 9510 sub init_user_environment {

sub _add_to_env {	sub _add_to_env {
my ($idf,$env_data,$prefix) = @_;	my ($idf,$env_data,$prefix) = @_;
while (my ($key,$value) = each(%$env_data)) {	if (ref($env_data) eq 'HASH') {
$idf->{$prefix.$key} = $value;	while (my ($key,$value) = each(%$env_data)) {
$env{$prefix.$key} = $value;	$idf->{$prefix.$key} = $value;
	$env{$prefix.$key} = $value;
	}
}	}
}	}

	# --- Get the symbolic name of a problem and the url
	sub get_symb {
	my ($request,$silent) = @_;
	(my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}\|$ENV{'HTTP_HOST'})--;
	my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
	if ($symb eq '') {
	if (!$silent) {
	$request->print("Unable to handle ambiguous references:$url:.");
	return ();
	}
	}
	&Apache::lonenc::check_decrypt(\$symb);
	return ($symb);
	}

	# --------------------------------------------------------------Get annotation

	sub get_annotation {
	my ($symb,$enc) = @_;

	my $key = $symb;
	if (!$enc) {
	$key =
	&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
	}
	my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
	return $annotation{$key};
	}

	sub clean_symb {
	my ($symb) = @_;

	&Apache::lonenc::check_decrypt(\$symb);
	my $enc = $env{'request.enc'};
	delete($env{'request.enc'});

	return ($symb,$enc);
	}

=pod	=pod

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

Removed from v.1.587
changed lines
	Added in v.1.692.2.4