loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.145 and 1.187

version 1.145, 2003/11/08 01:45:26	version 1.187, 2004/03/19 03:47:09
Line 25	Line 25
#	#
# http://www.lon-capa.org/	# http://www.lon-capa.org/
#	#
# YEAR=2001
# 2/13-12/7 Guy Albertelli
# 12/21 Gerd Kortemeyer
# 12/25,12/28 Gerd Kortemeyer
# YEAR=2002
# 1/4 Gerd Kortemeyer
# 6/24,7/2 H. K. Ng

# Makes a table out of the previous attempts	# Makes a table out of the previous attempts
# Inputs result_from_symbread, user, domain, course_id	# Inputs result_from_symbread, user, domain, course_id
Line 73 use HTML::Entities;	Line 66 use HTML::Entities;

my $readit;	my $readit;

=pod	##
	## Global Variables
=head1 Global Variables	##

=cut

# ----------------------------------------------- Filetypes/Languages/Copyright	# ----------------------------------------------- Filetypes/Languages/Copyright
my %language;	my %language;
Line 111 BEGIN {	Line 102 BEGIN {
unless ($readit) {	unless ($readit) {
# ------------------------------------------------------------------- languages	# ------------------------------------------------------------------- languages
{	{
my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.	my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
'/language.tab');	'/language.tab';
if ($fh) {	if ( open(my $fh,"<$langtabfile") ) {
while (<$fh>) {	while (<$fh>) {
next if /^\#/;	next if /^\#/;
chomp;	chomp;
my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$_));	my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$_));
$language{$key}=$val.' - '.$enc;	$language{$key}=$val.' - '.$enc;
if ($sup) {	if ($sup) {
$supported_language{$key}=$sup;	$supported_language{$key}=$sup;
}	}
}	}
}	close($fh);
	}
}	}
# ------------------------------------------------------------------ copyrights	# ------------------------------------------------------------------ copyrights
{	{
my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonIncludes'}.	my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
'/copyright.tab');	'/copyright.tab';
if ($fh) {	if ( open (my $fh,"<$copyrightfile") ) {
while (<$fh>) {	while (<$fh>) {
next if /^\#/;	next if /^\#/;
chomp;	chomp;
my ($key,$val)=(split(/\s+/,$_,2));	my ($key,$val)=(split(/\s+/,$_,2));
$cprtag{$key}=$val;	$cprtag{$key}=$val;
}	}
}	close($fh);
	}
}	}

# -------------------------------------------------------------- domain designs	# -------------------------------------------------------------- domain designs
Line 147 BEGIN {	Line 140 BEGIN {
while ($filename=readdir(DIR)) {	while ($filename=readdir(DIR)) {
my ($domain)=($filename=~/^(\w+)\./);	my ($domain)=($filename=~/^(\w+)\./);
{	{
my $fh=Apache::File->new($designdir.'/'.$filename);	my $designfile = $designdir.'/'.$filename;
if ($fh) {	if ( open (my $fh,"<$designfile") ) {
while (<$fh>) {	while (<$fh>) {
next if /^\#/;	next if /^\#/;
chomp;	chomp;
my ($key,$val)=(split(/\=/,$_));	my ($key,$val)=(split(/\=/,$_));
if ($val) { $designhash{$domain.'.'.$key}=$val; }	if ($val) { $designhash{$domain.'.'.$key}=$val; }
}	}
}	close($fh);
	}
}	}

}	}
Line 164 BEGIN {	Line 158 BEGIN {

# ------------------------------------------------------------- file categories	# ------------------------------------------------------------- file categories
{	{
my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.	my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
'/filecategories.tab');	'/filecategories.tab';
if ($fh) {	if ( open (my $fh,"<$categoryfile") ) {
while (<$fh>) {	while (<$fh>) {
next if /^\#/;	next if /^\#/;
chomp;	chomp;
my ($extension,$category)=(split(/\s+/,$_,2));	my ($extension,$category)=(split(/\s+/,$_,2));
push @{$category_extensions{lc($category)}},$extension;	push @{$category_extensions{lc($category)}},$extension;
}	}
}	close($fh);
	}

}	}
# ------------------------------------------------------------------ file types	# ------------------------------------------------------------------ file types
{	{
my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.	my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
'/filetypes.tab');	'/filetypes.tab';
if ($fh) {	if ( open (my $fh,"<$typesfile") ) {
while (<$fh>) {	while (<$fh>) {
next if (/^\#/);	next if (/^\#/);
chomp;	chomp;
my ($ending,$emb,$descr)=split(/\s+/,$_,3);	my ($ending,$emb,$descr)=split(/\s+/,$_,3);
if ($descr ne '') {	if ($descr ne '') {
$fe{$ending}=lc($emb);	$fe{$ending}=lc($emb);
$fd{$ending}=$descr;	$fd{$ending}=$descr;
}	}
}	}
}	close($fh);
	}
}	}
&Apache::lonnet::logthis(	&Apache::lonnet::logthis(
"<font color=yellow>INFO: Read file types</font>");	"<font color=yellow>INFO: Read file types</font>");
Line 204 BEGIN {	Line 201 BEGIN {

=pod	=pod

=head1 General Subroutines

=over 4

=head1 HTML and Javascript Functions	=head1 HTML and Javascript Functions

=over 4	=over 4
Line 219 containing javascript with two functions	Line 212 containing javascript with two functions
C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>	C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
tags.	tags.

=over 4

=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 229 formname and elementname indicate the na	Line 220 formname and elementname indicate the na
the element that the results of the browsing selection are to be placed in.	the element that the results of the browsing selection are to be placed in.

Specifying 'only' will restrict the browser to displaying only files	Specifying 'only' will restrict the browser to displaying only files
with the given extension. Can be a comma seperated list.	with the given extension. Can be a comma separated list.

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 seperated list.	with the given extension. Can be a comma separated list.

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

Line 241 Inputs: formname, elementname	Line 232 Inputs: formname, elementname
formname and elementname specify the name of the html form and the name	formname and elementname specify the name of the html form and the name
of the element the selection from the search results will be placed in.	of the element the selection from the search results will be placed in.

=back

=cut	=cut

sub browser_and_searcher_javascript {	sub browser_and_searcher_javascript {
	my $resurl=&lastresurl();
return <<END;	return <<END;
var editbrowser = null;	var editbrowser = null;
function openbrowser(formname,elementname,only,omit,titleelement) {	function openbrowser(formname,elementname,only,omit,titleelement) {
var url = '/res/?';	var url = '$resurl/?';
if (editbrowser == null) {	if (editbrowser == null) {
url += 'launch=1&';	url += 'launch=1&';
}	}
Line 294 sub browser_and_searcher_javascript {	Line 284 sub browser_and_searcher_javascript {
END	END
}	}

	sub lastresurl {
	if ($ENV{'environment.lastresurl'}) {
	return $ENV{'environment.lastresurl'}
	} else {
	return '/res';
	}
	}

	sub storeresurl {
	my $resurl=&Apache::lonnet::clutter(shift);
	unless ($resurl=~/^\/res/) { return 0; }
	$resurl=~s/\/$//;
	&Apache::lonnet::put('environment',{'lastresurl' => $resurl});
	&Apache::lonnet::appenv('environment.lastresurl' => $resurl);
	return 1;
	}

sub studentbrowser_javascript {	sub studentbrowser_javascript {
unless (	unless (
(($ENV{'request.course.id'}) &&	(($ENV{'request.course.id'}) &&
Line 346 sub coursebrowser_javascript {	Line 353 sub coursebrowser_javascript {
return (<<ENDSTDBRW);	return (<<ENDSTDBRW);
<script type="text/javascript" language="Javascript" >	<script type="text/javascript" language="Javascript" >
var stdeditbrowser;	var stdeditbrowser;
function opencrsbrowser(formname,uname,udom) {	function opencrsbrowser(formname,uname,udom,desc) {
var url = '/adm/pickcourse?';	var url = '/adm/pickcourse?';
var filter;	var filter;
if (filter != null) {	if (filter != null) {
Line 361 sub coursebrowser_javascript {	Line 368 sub coursebrowser_javascript {
}	}
}	}
url += 'form=' + formname + '&cnumelement='+uname+	url += 'form=' + formname + '&cnumelement='+uname+
'&cdomelement='+udom;	'&cdomelement='+udom+
	'&cnameelement='+desc;
var title = 'Course_Browser';	var title = 'Course_Browser';
var options = 'scrollbars=1,resizable=1,menubar=0';	var options = 'scrollbars=1,resizable=1,menubar=0';
options += ',width=700,height=600';	options += ',width=700,height=600';
Line 373 ENDSTDBRW	Line 381 ENDSTDBRW
}	}

sub selectcourse_link {	sub selectcourse_link {
my ($form,$unameele,$udomele)=@_;	my ($form,$unameele,$udomele,$desc)=@_;
return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.	return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
'","'.$udomele.'");'."'>".&mt('Select Course')."</a>";	'","'.$udomele.'","'.$desc.'");'."'>".&mt('Select Course')."</a>";
}	}

=pod	=pod
Line 565 sub help_open_topic {	Line 573 sub help_open_topic {
my $template = "";	my $template = "";
my $link;	my $link;

	$topic=~s/\W/\_/g;

if (!$stayOnPage)	if (!$stayOnPage)
{	{
$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";	$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
Line 583 sub help_open_topic {	Line 593 sub help_open_topic {
}	}

# Add the graphic	# Add the graphic
	my $title = &mt('Online Help');
$template .= <<"ENDTEMPLATE";	$template .= <<"ENDTEMPLATE";
<a href="$link"><image src="/adm/help/gif/smallHelp.gif" border="0" alt="(Help: $topic)" /></a>	<a href="$link" title="$title"><image src="/adm/help/gif/smallHelp.gif" border="0" alt="(Help: $topic)" /></a>
ENDTEMPLATE	ENDTEMPLATE
if ($text ne '') { $template.='</td></tr></table>' };	if ($text ne '') { $template.='</td></tr></table>' };
return $template;	return $template;
Line 611 sub helpLatexCheatsheet {	Line 622 sub helpLatexCheatsheet {
.'</td></tr></table>';	.'</td></tr></table>';
}	}

	sub help_open_bug {
	my ($topic, $text, $stayOnPage, $width, $height) = @_;
	unless ($ENV{'user.adv'}) { return ''; }
	unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
	$text = "" if (not defined $text);
	$stayOnPage = 0 if (not defined $stayOnPage);
	if ($ENV{'browser.interface'} eq 'textual' \|\|
	$ENV{'environment.remote'} eq 'off' ) {
	$stayOnPage=1;
	}
	$width = 600 if (not defined $width);
	$height = 600 if (not defined $height);

	$topic=~s/\W+/\+/g;
	my $link='';
	my $template='';
	my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
	&Apache::lonnet::escape($ENV{'REQUEST_URI'}).'&component='.$topic;
	if (!$stayOnPage)
	{
	$link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
	}
	else
	{
	$link = $url;
	}
	# Add the text
	if ($text ne "")
	{
	$template .=
	"<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
	"<td bgcolor='#FF5555'><a href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
	}

	# Add the graphic
	my $title = &mt('Report a Bug');
	$template .= <<"ENDTEMPLATE";
	<a href="$link" title="$title"><image src="/adm/lonMisc/smallBug.gif" border="0" alt="(Bug: $topic)" /></a>
	ENDTEMPLATE
	if ($text ne '') { $template.='</td></tr></table>' };
	return $template;

	}

	sub help_open_faq {
	my ($topic, $text, $stayOnPage, $width, $height) = @_;
	unless ($ENV{'user.adv'}) { return ''; }
	unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
	$text = "" if (not defined $text);
	$stayOnPage = 0 if (not defined $stayOnPage);
	if ($ENV{'browser.interface'} eq 'textual' \|\|
	$ENV{'environment.remote'} eq 'off' ) {
	$stayOnPage=1;
	}
	$width = 350 if (not defined $width);
	$height = 400 if (not defined $height);

	$topic=~s/\W+/\+/g;
	my $link='';
	my $template='';
	my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
	if (!$stayOnPage)
	{
	$link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
	}
	else
	{
	$link = $url;
	}

	# Add the text
	if ($text ne "")
	{
	$template .=
	"<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
	"<td bgcolor='#448844'><a href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
	}

	# Add the graphic
	my $title = &mt('View the FAQ');
	$template .= <<"ENDTEMPLATE";
	<a href="$link" title="$title"><image src="/adm/lonMisc/smallFAQ.gif" border="0" alt="(FAQ: $topic)" /></a>
	ENDTEMPLATE
	if ($text ne '') { $template.='</td></tr></table>' };
	return $template;

	}

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

=pod	=pod

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

Translate $text to allow it to be output as a 'comma seperated values'	Translate $text to allow it to be output as a 'comma separated values'
format.	format.

=cut	=cut

	###############################################################
	###############################################################
sub csv_translate {	sub csv_translate {
my $text = shift;	my $text = shift;
$text =~ s/\"/\"\"/g;	$text =~ s/\"/\"\"/g;
Line 627 sub csv_translate {	Line 731 sub csv_translate {
return $text;	return $text;
}	}


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

	=pod

	=item * define_excel_formats

	Define some commonly used Excel cell formats.

	Currently supported formats:

	=over 4

	=item header

	=item bold

	=item h1

	=item h2

	=item h3

	=item date

	=back

	Inputs: $workbook

	Returns: $format, a hash reference.

	=cut

	###############################################################
	###############################################################
	sub define_excel_formats {
	my ($workbook) = @_;
	my $format;
	$format->{'header'} = $workbook->add_format(bold => 1,
	bottom => 1,
	align => 'center');
	$format->{'bold'} = $workbook->add_format(bold=>1);
	$format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
	$format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
	$format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
	$format->{'date'} = $workbook->add_format(num_format=>
	'mmm d yyyy hh:mm AM/PM');
	return $format;
	}

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

=pod	=pod

=item * change_content_javascript():	=item * change_content_javascript():
Line 735 sub get_domains {	Line 893 sub get_domains {
my @domains;	my @domains;
my %seen;	my %seen;
foreach (sort values(%Apache::lonnet::hostdom)) {	foreach (sort values(%Apache::lonnet::hostdom)) {
push (@domains,$_) unless $seen{$_}++;	push (@domains,$_) unless $seen{$_}++;
}	}
return @domains;	return @domains;
}	}

	# ------------------------------------------

	sub domain_select {
	my ($name,$value,$multiple)=@_;
	my %domains=map {
	$_ => $_.' '.$Apache::lonnet::domaindescription{$_}
	} &get_domains;
	if ($multiple) {
	$domains{''}=&mt('Any domain');
	return &multiple_select_form($name,$value,%domains);
	} else {
	return &select_form($name,$value,%domains);
	}
	}

	sub multiple_select_form {
	my ($name,$value,%hash)=@_;
	my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
	my $output='';
	my $size =(scalar keys %hash<4?scalar keys %hash:4);
	$output.="\n<select name='$name' size='$size' multiple='1'>";
	foreach (sort keys %hash) {
	$output.="<option name='$_'".
	($selected{$_}?' selected="1"' :'').">$hash{$_}</option>\n";
	}
	$output.="</select>\n";
	return $output;
	}

#-------------------------------------------	#-------------------------------------------

=pod	=pod
Line 771 sub select_form {	Line 958 sub select_form {
return $selectform;	return $selectform;
}	}

	sub gradeleveldescription {
	my $gradelevel=shift;
	my %gradelevels=(0 => 'Not specified',
	1 => 'Grade 1',
	2 => 'Grade 2',
	3 => 'Grade 3',
	4 => 'Grade 4',
	5 => 'Grade 5',
	6 => 'Grade 6',
	7 => 'Grade 7',
	8 => 'Grade 8',
	9 => 'Grade 9',
	10 => 'Grade 10',
	11 => 'Grade 11',
	12 => 'Grade 12',
	13 => 'Grade 13',
	14 => '100 Level',
	15 => '200 Level',
	16 => '300 Level',
	17 => '400 Level',
	18 => 'Graduate Level');
	return &mt($gradelevels{$gradelevel});
	}

	sub select_level_form {
	my ($deflevel,$name)=@_;
	unless ($deflevel) { $deflevel=0; }
	my $selectform = "<select name=\"$name\" size=\"1\">\n";
	for (my $i=0; $i<=18; $i++) {
	$selectform.="<option value=\"$i\" ".
	($i==$deflevel ? 'selected' : '').
	">".&gradeleveldescription($i)."</option>\n";
	}
	$selectform.="</select>";
	return $selectform;
	}

#-------------------------------------------	#-------------------------------------------

Line 887 Outputs:	Line 1110 Outputs:

=back	=back

	=back

=cut	=cut

###############################################################	###############################################################
Line 925 sub decode_user_agent {	Line 1150 sub decode_user_agent {
$clientunicode,$clientos,);	$clientunicode,$clientos,);
}	}

=pod

=back

=cut

###############################################################	###############################################################
## Authentication changing form generation subroutines ##	## Authentication changing form generation subroutines ##
###############################################################	###############################################################
Line 971 See loncreateuser.pm for invocation and	Line 1190 See loncreateuser.pm for invocation and

=back	=back

	=back

=cut	=cut

#-------------------------------------------	#-------------------------------------------
Line 998 END	Line 1219 END
$Javascript_toUpperCase = "";	$Javascript_toUpperCase = "";
}	}

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

$result.=<<"END";	$result.=<<"END";
var current = new Object();	var current = new Object();
current.radiovalue = 'nochange';	current.radiovalue = $radioval;
current.argfield = null;	current.argfield = $argfield;

function changed_radio(choice,currentform) {	function changed_radio(choice,currentform) {
var choicearg = choice + 'arg';	var choicearg = choice + 'arg';
Line 1088 sub authform_kerberos{	Line 1329 sub authform_kerberos{
kerb_def_auth => 'krb4',	kerb_def_auth => 'krb4',
@_,	@_,
);	);
my ($check4,$check5);	my ($check4,$check5,$krbarg);
if ($in{'kerb_def_auth'} eq 'krb5') {	if ($in{'kerb_def_auth'} eq 'krb5') {
$check5 = " checked=\"on\"";	$check5 = " checked=\"on\"";
} else {	} else {
$check4 = " checked=\"on\"";	$check4 = " checked=\"on\"";
}	}
	$krbarg = $in{'kerb_def_dom'};

	my $krbcheck = "";
	if ( grep/^curr_authtype$/,(keys %in) ) {
	if ($in{'curr_authtype'} =~ m/^krb/) {
	$krbcheck = " checked=\"on\"";
	if ( grep/^curr_autharg$/,(keys %in) ) {
	$krbarg = $in{'curr_autharg'};
	}
	}
	}

my $jscall = "javascript:changed_radio('krb',$in{'formname'});";	my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
my $result .= &mt	my $result .= &mt
('[_1] Kerberos authenticated with domain [_2] '.	('[_1] Kerberos authenticated with domain [_2] '.
'[_3] Version 4 [_4] Version 5',	'[_3] Version 4 [_4] Version 5',
'<input type="radio" name="login" value="krb" '.	'<input type="radio" name="login" value="krb" '.
'onclick="'.$jscall.'" onchange="'.$jscall.'" />',	'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
'<input type="text" size="10" name="krbarg" '.	'<input type="text" size="10" name="krbarg" '.
'value="'.$in{'kerb_def_dom'}.'" '.	'value="'.$krbarg.'" '.
'onchange="'.$jscall.'" />',	'onchange="'.$jscall.'" />',
'<input type="radio" name="krbver" value="4" '.$check4.' />',	'<input type="radio" name="krbver" value="4" '.$check4.' />',
'<input type="radio" name="krbver" value="5" '.$check5.' />');	'<input type="radio" name="krbver" value="5" '.$check5.' />');
Line 1114 sub authform_internal{	Line 1367 sub authform_internal{
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);

	my $intcheck = "";
	my $intarg = 'value=""';
	if ( grep/^curr_authtype$/,(keys %args) ) {
	if ($args{'curr_authtype'} eq 'int') {
	$intcheck = " checked=\"on\"";
	if ( grep/^curr_autharg$/,(keys %args) ) {
	$intarg = "value=\"$args{'curr_autharg'}\"";
	}
	}
	}

my $jscall = "javascript:changed_radio('int',$args{'formname'});";	my $jscall = "javascript:changed_radio('int',$args{'formname'});";
my $result.=&mt	my $result.=&mt
('[_1] Internally authenticated (with initial password [_2])',	('[_1] Internally authenticated (with initial password [_2])',
'<input type="radio" name="login" value="int" '.	'<input type="radio" name="login" value="int" '.$intcheck.
'onchange="'.$jscall.'" onclick="'.$jscall.'" />',	' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
'<input type="text" size="10" name="intarg" value="" '.	'<input type="text" size="10" name="intarg" '.$intarg.
'onchange="'.$jscall.'" />');	' onchange="'.$jscall.'" />');
return $result;	return $result;
}	}

Line 1130 sub authform_local{	Line 1395 sub authform_local{
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);

	my $loccheck = "";
	my $locarg = 'value=""';
	if ( grep/^curr_authtype$/,(keys %in) ) {
	if ($in{'curr_authtype'} eq 'loc') {
	$loccheck = " checked=\"on\"";
	if ( grep/^curr_autharg$/,(keys %in) ) {
	$locarg = "value=\"$in{'curr_autharg'}\"";
	}
	}
	}

my $jscall = "javascript:changed_radio('loc',$in{'formname'});";	my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
my $result.=&mt('[_1] Local Authentication with arguement [_2]',	my $result.=&mt('[_1] Local Authentication with argument [_2]',
'<input type="radio" name="login" value="loc" '.	'<input type="radio" name="login" value="loc" '.$loccheck.
'onchange="'.$jscall.'" onclick="'.$jscall.'" />',	' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
'<input type="text" size="10" name="locarg" value="" '.	'<input type="text" size="10" name="locarg" '.$locarg.
'onchange="'.$jscall.'" />');	' onchange="'.$jscall.'" />');
return $result;	return $result;
}	}

Line 1155 sub authform_filesystem{	Line 1432 sub authform_filesystem{
return $result;	return $result;
}	}

=pod

=back

=cut

###############################################################	###############################################################
## Get Authentication Defaults for Domain ##	## Get Authentication Defaults for Domain ##
###############################################################	###############################################################
Line 1315 sub keyword {	Line 1586 sub keyword {

=item * get_related_words	=item * get_related_words

Look up a word in the thesaurus. Takes a scalar arguement 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
will be returned. The order of the words returned is determined by the	will be returned. The order of the words returned is determined by the
database which holds them.	database which holds them.
Line 1451 sub noteswrapper {	Line 1722 sub noteswrapper {
# ------------------------------------------------------------- Aboutme Wrapper	# ------------------------------------------------------------- Aboutme Wrapper

sub aboutmewrapper {	sub aboutmewrapper {
my ($link,$username,$domain)=@_;	my ($link,$username,$domain,$target)=@_;
return "<a href='/adm/$domain/$username/aboutme'>$link</a>";	return "<a href='/adm/$domain/$username/aboutme'".
	($target?" target='$target'":'').">$link</a>";
}	}

# ------------------------------------------------------------ Syllabus Wrapper	# ------------------------------------------------------------ Syllabus Wrapper
Line 1530 returns description of a specified copyr	Line 1802 returns description of a specified copyr
=cut	=cut

sub copyrightdescription {	sub copyrightdescription {
return $cprtag{shift(@_)};	return &mt($cprtag{shift(@_)});
}	}

=pod	=pod
Line 1570 sub fileembstyle {	Line 1842 sub fileembstyle {
return $fe{lc(shift(@_))};	return $fe{lc(shift(@_))};
}	}


	sub filecategoryselect {
	my ($name,$value)=@_;
	return &select_form($name,$value,
	'' => &mt('Any category'),
	map { $_,$_ } sort(keys(%category_extensions)));
	}

=pod	=pod

=item * filedescription()	=item * filedescription()
Line 1579 returns description for a specified file	Line 1859 returns description for a specified file
=cut	=cut

sub filedescription {	sub filedescription {
return $fd{lc(shift(@_))};	return &mt($fd{lc(shift(@_))});
}	}

=pod	=pod
Line 1593 extra formatting	Line 1873 extra formatting

sub filedescriptionex {	sub filedescriptionex {
my $ex=shift;	my $ex=shift;
return '.'.$ex.' '.$fd{lc($ex)};	return '.'.$ex.' '.&mt($fd{lc($ex)});
}	}

# End of .tab access	# End of .tab access
Line 1628 sub display_languages {	Line 1908 sub display_languages {

sub preferred_languages {	sub preferred_languages {
my @languages=();	my @languages=();
if ($ENV{'environment.languages'}) {
@languages=split(/\s(\,\|\;\|\:)\s/,$ENV{'environment.languages'});
}
if ($ENV{'course.'.$ENV{'request.course.id'}.'.languages'}) {	if ($ENV{'course.'.$ENV{'request.course.id'}.'.languages'}) {
@languages=(@languages,split(/\s(\,\|\;\|\:)\s/,	@languages=(@languages,split(/\s(\,\|\;\|\:)\s/,
$ENV{'course.'.$ENV{'request.course.id'}.'.languages'}));	$ENV{'course.'.$ENV{'request.course.id'}.'.languages'}));
}	}
	if ($ENV{'environment.languages'}) {
	@languages=split(/\s(\,\|\;\|\:)\s/,$ENV{'environment.languages'});
	}
my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];	my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
if ($browser) {	if ($browser) {
@languages=(@languages,split(/\s(\,\|\;\|\:)\s/,$browser));	@languages=(@languages,split(/\s(\,\|\;\|\:)\s/,$browser));
Line 1814 show a snapshot of what student was look	Line 2094 show a snapshot of what student was look
=cut	=cut

sub get_student_view {	sub get_student_view {
my ($symb,$username,$domain,$courseid,$target) = @_;	my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);	my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
my (%old,%moreenv);	my (%form);
my @elements=('symb','courseid','domain','username');	my @elements=('symb','courseid','domain','username');
foreach my $element (@elements) {	foreach my $element (@elements) {
$old{$element}=$ENV{'form.grade_'.$element};	$form{'grade_'.$element}=eval '$'.$element #'
$moreenv{'form.grade_'.$element}=eval '$'.$element #'
}	}
if ($target eq 'tex') {$moreenv{'form.grade_target'} = 'tex';}	if (defined($moreenv)) {
&Apache::lonnet::appenv(%moreenv);	%form=(%form,%{$moreenv});
$feedurl=&Apache::lonnet::clutter($feedurl);
my $userview=&Apache::lonnet::ssi_body($feedurl);
&Apache::lonnet::delenv('form.grade_');
foreach my $element (@elements) {
$ENV{'form.grade_'.$element}=$old{$element};
}	}
	if ($target eq 'tex') {$form{'grade_target'} = 'tex';}
	$feedurl=&Apache::lonnet::clutter($feedurl);
	my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
$userview=~s/\<body[^\>]*\>//gi;	$userview=~s/\<body[^\>]*\>//gi;
$userview=~s/\<\/body\>//gi;	$userview=~s/\<\/body\>//gi;
$userview=~s/\<html\>//gi;	$userview=~s/\<html\>//gi;
Line 1852 show a snapshot of how student was answe	Line 2129 show a snapshot of how student was answe
sub get_student_answers {	sub get_student_answers {
my ($symb,$username,$domain,$courseid,%form) = @_;	my ($symb,$username,$domain,$courseid,%form) = @_;
my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);	my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
my (%old,%moreenv);	my (%moreenv);
my @elements=('symb','courseid','domain','username');	my @elements=('symb','courseid','domain','username');
foreach my $element (@elements) {	foreach my $element (@elements) {
$old{$element}=$ENV{'form.grade_'.$element};	$moreenv{'grade_'.$element}=eval '$'.$element #'
$moreenv{'form.grade_'.$element}=eval '$'.$element #'
}
$moreenv{'form.grade_target'}='answer';
&Apache::lonnet::appenv(%moreenv);
my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%form);
&Apache::lonnet::delenv('form.grade_');
foreach my $element (@elements) {
$ENV{'form.grade_'.$element}=$old{$element};
}	}
	$moreenv{'grade_target'}='answer';
	%moreenv=(%form,%moreenv);
	my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%moreenv);
return $userview;	return $userview;
}	}

Line 1921 sub maketime {	Line 2193 sub maketime {
$th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,$th{'dlsav'}));	$th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,$th{'dlsav'}));
}	}


#########################################
#
# Retro-fixing of un-backward-compatible time format

sub unsqltime {
my $timestamp=shift;
if ($timestamp=~/^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/) {
$timestamp=&maketime(
'year'=>$1,'month'=>$2,'day'=>$3,
'hours'=>$4,'minutes'=>$5,'seconds'=>$6);
}
return $timestamp;
}

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

sub findallcourses {	sub findallcourses {
Line 2007 sub domainlogo {	Line 2264 sub domainlogo {
my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};	my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }	if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
return '<img src="http://'.$ENV{'HTTP_HOST'}.':'.$lonhttpdPort.	return '<img src="http://'.$ENV{'HTTP_HOST'}.':'.$lonhttpdPort.
'/adm/lonDomLogos/'.$domain.'.gif" />';	'/adm/lonDomLogos/'.$domain.'.gif" alt="'.$domain.'" />';
} elsif(exists($Apache::lonnet::domaindescription{$domain})) {	} elsif(exists($Apache::lonnet::domaindescription{$domain})) {
return $Apache::lonnet::domaindescription{$domain};	return $Apache::lonnet::domaindescription{$domain};
} else {	} else {
Line 2095 other decorations will be returned.	Line 2352 other decorations will be returned.
sub bodytag {	sub bodytag {
my ($title,$function,$addentries,$bodyonly,$domain,$forcereg)=@_;	my ($title,$function,$addentries,$bodyonly,$domain,$forcereg)=@_;
$title=&mt($title);	$title=&mt($title);
unless ($function) {	$function = &get_users_function() if (!$function);
$function='student';
if ($ENV{'request.role'}=~/^(cc\|in\|ta\|ep)/) {
$function='coordinator';
}
if ($ENV{'request.role'}=~/^(su\|dc\|ad\|li)/) {
$function='admin';
}
if (($ENV{'request.role'}=~/^(au\|ca)/) \|\|
($ENV{'REQUEST_URI'}=~/^(\/priv\|\~)/)) {
$function='author';
}
}
my $img=&designparm($function.'.img',$domain);	my $img=&designparm($function.'.img',$domain);
my $pgbg=&designparm($function.'.pgbg',$domain);	my $pgbg=&designparm($function.'.pgbg',$domain);
my $tabbg=&designparm($function.'.tabbg',$domain);	my $tabbg=&designparm($function.'.tabbg',$domain);
Line 2118 sub bodytag {	Line 2363 sub bodytag {
my $sidebg=&designparm($function.'.sidebg',$domain);	my $sidebg=&designparm($function.'.sidebg',$domain);
# Accessibility font enhance	# Accessibility font enhance
unless ($addentries) { $addentries=''; }	unless ($addentries) { $addentries=''; }
	my $addstyle='';
if ($ENV{'browser.fontenhance'} eq 'on') {	if ($ENV{'browser.fontenhance'} eq 'on') {
$addentries.=' style="font-size: x-large"';	$addstyle=' font-size: x-large;';
}	}
# role and realm	# role and realm
my ($role,$realm)	my ($role,$realm)
Line 2137 sub bodytag {	Line 2383 sub bodytag {
if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }	if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
# construct main body tag	# construct main body tag
my $bodytag = <<END;	my $bodytag = <<END;
	<style>
	h1, h2, h3, th { font-family: Arial, Helvetica, sans-serif }
	a:focus { color: red; background: yellow }
	</style>
<body bgcolor="$pgbg" text="$font" alink="$alink" vlink="$vlink" link="$link"	<body bgcolor="$pgbg" text="$font" alink="$alink" vlink="$vlink" link="$link"
$addentries>	style="margin-top: 0px;$addstyle" $addentries>
END	END
my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'.	my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'.
$lonhttpdPort.$img.'" />';	$lonhttpdPort.$img.'" alt="'.$function.'" />';
if ($bodyonly) {	if ($bodyonly) {
return $bodytag;	return $bodytag;
} elsif ($ENV{'browser.interface'} eq 'textual') {	} elsif ($ENV{'browser.interface'} eq 'textual') {
Line 2153 END	Line 2403 END
# No Remote	# No Remote
return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web',	return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web',
$forcereg).	$forcereg).
'<table bgcolor="'.$pgbg.'" width="100%" border="0" cellspacing="3" cellpadding="3"><tr><td bgcolor="'.$tabbg.'"><font size="+3" color="'.$font.'"><b>'.$title.	'<table bgcolor="'.$pgbg.'" width="100%" border="0" cellspacing="3" cellpadding="3"><tr><td bgcolor="'.$tabbg.'"><font face="Arial, Helvetica, sans-serif" size="+3" color="'.$font.'"><b>'.$title.
'</b></font></td></tr></table>';	'</b></font></td></tr></table>';
}	}

Line 2169 $upperleft</td>	Line 2419 $upperleft</td>
</tr>	</tr>
<tr>	<tr>
<td rowspan="3" bgcolor="$tabbg">	<td rowspan="3" bgcolor="$tabbg">
<font size="5"><b>$title</b></font>	<font size="5" face="Arial, Helvetica, sans-serif"><b>$title</b></font>
<td bgcolor="$tabbg" align="right">	<td bgcolor="$tabbg" align="right">
<font size="2">	<font size="2" face="Arial, Helvetica, sans-serif">
$ENV{'environment.firstname'}	$ENV{'environment.firstname'}
$ENV{'environment.middlename'}	$ENV{'environment.middlename'}
$ENV{'environment.lastname'}	$ENV{'environment.lastname'}
Line 2180 $upperleft</td>	Line 2430 $upperleft</td>
</td>	</td>
</tr>	</tr>
<tr><td bgcolor="$tabbg" align="right">	<tr><td bgcolor="$tabbg" align="right">
<font size="2">$role</font>	<font size="2" face="Arial, Helvetica, sans-serif">$role</font>
</td></tr>	</td></tr>
<tr>	<tr>
<td bgcolor="$tabbg" align="right"><font size="2">$realm</font> </td></tr>	<td bgcolor="$tabbg" align="right"><font size="2" face="Arial, Helvetica, sans-serif">$realm</font> </td></tr>
</table><br>	</table><br>
ENDBODY	ENDBODY
}	}

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

	=pod

	=item get_users_function

	Used by &bodytag to determine the current users primary role.
	Returns either 'student','coordinator','admin', or 'author'.

	=cut

	###############################################
	sub get_users_function {
	my $function = 'student';
	if ($ENV{'request.role'}=~/^(cc\|in\|ta\|ep)/) {
	$function='coordinator';
	}
	if ($ENV{'request.role'}=~/^(su\|dc\|ad\|li)/) {
	$function='admin';
	}
	if (($ENV{'request.role'}=~/^(au\|ca)/) \|\|
	($ENV{'REQUEST_URI'}=~/^(\/priv\|\~)/)) {
	$function='author';
	}
	return $function;
	}

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

sub get_posted_cgi {	sub get_posted_cgi {
my $r=shift;	my $r=shift;

Line 2324 sub no_cache {	Line 2601 sub no_cache {
}	}

sub content_type {	sub content_type {
my ($r,$type,$charset) = @_;	my ($r,$type,$charset) = @_;
unless ($charset) {	unless ($charset) {
$charset=&Apache::lonlocal::current_encoding;	$charset=&Apache::lonlocal::current_encoding;
}	}
$r->content_type($type.($charset?'; charset='.$charset:''));	if ($charset) { $type.='; charset='.$charset; }
	if ($r) {
	$r->content_type($type);
	} else {
	print("Content-type: $type\n\n");
	}
}	}

=pod	=pod
Line 2360 sub add_to_env {	Line 2642 sub add_to_env {

=pod	=pod

	=item * get_env_multiple($name)

	gets $name from the %ENV hash, it seemlessly handles the cases where multiple
	values may be defined and end up as an array ref.

	returns an array of values

	=cut

	sub get_env_multiple {
	my ($name) = @_;
	my @values;
	if (defined($ENV{$name})) {
	# exists is it an array
	if (ref($ENV{$name})) {
	@values=@{ $ENV{$name} };
	} else {
	$values[0]=$ENV{$name};
	}
	}
	return(@values);
	}


	=pod

=back	=back

=head1 CSV Upload/Handling functions	=head1 CSV Upload/Handling functions
Line 2384 sub upfile_store {	Line 2692 sub upfile_store {
my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.	my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.
'_enroll_'.$ENV{'request.course.id'}.'_'.time.'_'.$$;	'_enroll_'.$ENV{'request.course.id'}.'_'.time.'_'.$$;
{	{
my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').	my $datafile = $r->dir_config('lonDaemons').
'/tmp/'.$datatoken.'.tmp');	'/tmp/'.$datatoken.'.tmp';
print $fh $ENV{'form.upfile'};	if ( open(my $fh,">$datafile") ) {
	print $fh $ENV{'form.upfile'};
	close($fh);
	}
}	}
return $datatoken;	return $datatoken;
}	}
Line 2405 sub load_tmp_file {	Line 2716 sub load_tmp_file {
my $r=shift;	my $r=shift;
my @studentdata=();	my @studentdata=();
{	{
my $fh;	my $studentfile = $r->dir_config('lonDaemons').
if ($fh=Apache::File->new($r->dir_config('lonDaemons').	'/tmp/'.$ENV{'form.datatoken'}.'.tmp';
'/tmp/'.$ENV{'form.datatoken'}.'.tmp')) {	if ( open(my $fh,"<$studentfile") ) {
@studentdata=<$fh>;	@studentdata=<$fh>;
}	close($fh);
	}
}	}
$ENV{'form.upfile'}=join('',@studentdata);	$ENV{'form.upfile'}=join('',@studentdata);
}	}
Line 2454 sub record_sep {	Line 2766 sub record_sep {
}	}
} elsif ($ENV{'form.upfiletype'} eq 'tab') {	} elsif ($ENV{'form.upfiletype'} eq 'tab') {
my $i=0;	my $i=0;
foreach (split(/\t+/,$record)) {	foreach (split(/\t/,$record)) {
my $field=$_;	my $field=$_;
$field=~s/^(\"\|\')//;	$field=~s/^(\"\|\')//;
$field=~s/(\"\|\')$//;	$field=~s/(\"\|\')$//;
Line 2562 Prints a table to create associations be	Line 2874 Prints a table to create associations be

$r is an Apache Request ref,	$r is an Apache Request ref,
$records is an arrayref from &Apache::loncommon::upfile_record_sep,	$records is an arrayref from &Apache::loncommon::upfile_record_sep,
$d is an array of 2 element arrays (internal name, displayed name)	$d is an array of 2 element arrays (internal name, displayed name,defaultcol)

=cut	=cut

Line 2577 sub csv_print_select_table {	Line 2889 sub csv_print_select_table {
'<th>'.&mt('Attribute').'</th>'.	'<th>'.&mt('Attribute').'</th>'.
'<th>'.&mt('Column').'</th></tr>'."\n");	'<th>'.&mt('Column').'</th></tr>'."\n");
foreach (@$d) {	foreach (@$d) {
my ($value,$display)=@{ $_ };	my ($value,$display,$defaultcol)=@{ $_ };
$r->print('<tr><td>'.$display.'</td>');	$r->print('<tr><td>'.$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.');">');
$r->print('<option value="none"></option>');	$r->print('<option value="none"></option>');
foreach (sort({$a <=> $b} keys(%sone))) {	foreach (sort({$a <=> $b} keys(%sone))) {
$r->print('<option value="'.$_.'">Column '.($_+1).'</option>');	$r->print('<option value="'.$_.'"'.
	($_ eq $defaultcol ? ' selected ' : '').
	'>Column '.($_+1).'</option>');
}	}
$r->print('</select></td></tr>'."\n");	$r->print('</select></td></tr>'."\n");
$i++;	$i++;
Line 2625 sub csv_samples_select_table {	Line 2939 sub csv_samples_select_table {
$r->print('<tr><td><select name="f'.$i.'"'.	$r->print('<tr><td><select name="f'.$i.'"'.
' onchange="javascript:flip(this.form,'.$i.');">');	' onchange="javascript:flip(this.form,'.$i.');">');
foreach (@$d) {	foreach (@$d) {
my ($value,$display)=@{ $_ };	my ($value,$display,$defaultcol)=@{ $_ };
$r->print('<option value="'.$value.'">'.$display.'</option>');	$r->print('<option value="'.$value.'"'.
	($i eq $defaultcol ? ' selected ':'').'>'.
	$display.'</option>');
}	}
$r->print('</select></td><td>');	$r->print('</select></td><td>');
if (defined($sone{$_})) { $r->print($sone{$_}."</br>\n"); }	if (defined($sone{$_})) { $r->print($sone{$_}."</br>\n"); }
Line 2698 sub check_if_partid_hidden {	Line 3014 sub check_if_partid_hidden {

=pod	=pod

	=back

=head1 cgi-bin script and graphing routines	=head1 cgi-bin script and graphing routines

	=over 4

=item get_cgi_id	=item get_cgi_id

Inputs: none	Inputs: none
Line 2713 the routine &Apache::lonnet::transfer_pr	Line 3033 the routine &Apache::lonnet::transfer_pr

############################################################	############################################################
############################################################	############################################################
	my $uniq=0;
sub get_cgi_id {	sub get_cgi_id {
return (time.'_'.int(rand(1000)));	$uniq=($uniq+1)%100000;
	return (time.'_'.$uniq);
}	}

############################################################	############################################################
Line 2746 If $Max is < any data point, the graph w	Line 3067 If $Max is < any data point, the graph w
=item $colors: array ref holding the colors to be used for the data sets when	=item $colors: array ref holding the colors to be used for the data sets when
they are plotted. If undefined, default values will be used.	they are plotted. If undefined, default values will be used.

	=item $labels: array ref holding the labels to use on the x-axis for the bars.

=item @Values: An array of array references. Each array reference holds data	=item @Values: An array of array references. Each array reference holds data
to be plotted in a stacked bar chart.	to be plotted in a stacked bar chart.

Line 2761 information for the plot.	Line 3084 information for the plot.
############################################################	############################################################
############################################################	############################################################
sub DrawBarGraph {	sub DrawBarGraph {
my ($Title,$xlabel,$ylabel,$Max,$colors,@Values)=@_;	my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
#	#
if (! defined($colors)) {	if (! defined($colors)) {
$colors = ['#33ff00',	$colors = ['#33ff00',
Line 2804 sub DrawBarGraph {	Line 3127 sub DrawBarGraph {
}	}
#	#
my @Labels;	my @Labels;
for (my $i=0;$i<@{$Values[0]};$i++) {	if (defined($labels)) {
push (@Labels,$i+1);	@Labels = @$labels;
	} else {
	for (my $i=0;$i<@{$Values[0]};$i++) {
	push (@Labels,$i+1);
	}
}	}
#	#
$Max = 1 if ($Max < 1);	$Max = 1 if ($Max < 1);
Line 2864 plotted in. If undefined, default value	Line 3191 plotted in. If undefined, default value
=item $Xlabels: Array ref containing the labels to be used for the X-axis.	=item $Xlabels: Array ref containing the labels to be used for the X-axis.

=item $Ydata: Array ref containing Array refs.	=item $Ydata: Array ref containing Array refs.
Each of the contained arrays will be plotted as a seperate curve.	Each of the contained arrays will be plotted as a separate curve.

=item %Values: hash indicating or overriding any default values which are	=item %Values: hash indicating or overriding any default values which are
passed to graph.png.	passed to graph.png.
Line 3031 sub DrawXYYGraph {	Line 3358 sub DrawXYYGraph {

=pod	=pod

	=back

=head1 Statistics helper routines?	=head1 Statistics helper routines?

Bad place for them but what the hell.	Bad place for them but what the hell.

	=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 3051 Inputs:	Line 3382 Inputs:

=back	=back

	=back

=cut	=cut

############################################################	############################################################
Line 3063 sub chartlink {	Line 3396 sub chartlink {
'">'.$linktext.'</a>';	'">'.$linktext.'</a>';
}	}

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

	=pod

	=head1 Course Environment Routines

	=over 4

	=item &restore_course_settings

	=item &store_course_settings

	Restores/Store indicated form parameters from the course environment.
	Will not overwrite existing values of the form parameters.

	Inputs:
	a scalar describing the data (e.g. 'chart', 'problem_analysis')

	a hash ref describing the data to be stored. For example:

	%Save_Parameters = ('Status' => 'scalar',
	'chartoutputmode' => 'scalar',
	'chartoutputdata' => 'scalar',
	'Section' => 'array',
	'StudentData' => 'array',
	'Maps' => 'array');

	Returns: both routines return nothing

	=cut

	#######################################################
	#######################################################
	sub store_course_settings {
	# save to the environment
	# appenv the same items, just to be safe
	my $courseid = $ENV{'request.course.id'};
	my $coursedom = $ENV{'course.'.$courseid.'.domain'};
	my ($prefix,$Settings) = @_;
	my %SaveHash;
	my %AppHash;
	while (my ($setting,$type) = each(%$Settings)) {
	my $basename = 'internal.'.$prefix.'.'.$setting;
	my $envname = 'course.'.$courseid.'.'.$basename;
	if (exists($ENV{'form.'.$setting})) {
	# Save this value away
	if ($type eq 'scalar' &&
	(! exists($ENV{$envname}) \|\|
	$ENV{$envname} ne $ENV{'form.'.$setting})) {
	$SaveHash{$basename} = $ENV{'form.'.$setting};
	$AppHash{$envname} = $ENV{'form.'.$setting};
	} elsif ($type eq 'array') {
	my $stored_form;
	if (ref($ENV{'form.'.$setting})) {
	$stored_form = join(',',
	map {
	&Apache::lonnet::escape($_);
	} sort(@{$ENV{'form.'.$setting}}));
	} else {
	$stored_form =
	&Apache::lonnet::escape($ENV{'form.'.$setting});
	}
	# Determine if the array contents are the same.
	if ($stored_form ne $ENV{$envname}) {
	$SaveHash{$basename} = $stored_form;
	$AppHash{$envname} = $stored_form;
	}
	}
	}
	}
	my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
	$coursedom,
	$ENV{'course.'.$courseid.'.num'});
	if ($put_result !~ /^(ok\|delayed)/) {
	&Apache::lonnet::logthis('unable to save form parameters, '.
	'got error:'.$put_result);
	}
	# Make sure these settings stick around in this session, too
	&Apache::lonnet::appenv(%AppHash);
	return;
	}

	sub restore_course_settings {
	my $courseid = $ENV{'request.course.id'};
	my ($prefix,$Settings) = @_;
	while (my ($setting,$type) = each(%$Settings)) {
	next if (exists($ENV{'form.'.$setting}));
	my $envname = 'course.'.$courseid.'.internal.'.$prefix.
	'.'.$setting;
	if (exists($ENV{$envname})) {
	if ($type eq 'scalar') {
	$ENV{'form.'.$setting} = $ENV{$envname};
	} elsif ($type eq 'array') {
	$ENV{'form.'.$setting} = [
	map {
	&Apache::lonnet::unescape($_);
	} split(',',$ENV{$envname})
	];
	}
	}
	}
	}

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

	sub propath {
	my ($udom,$uname)=@_;
	$udom=~s/\W//g;
	$uname=~s/\W//g;
	my $subdir=$uname.'__';
	$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
	my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
	return $proname;
	}

	sub icon {
	my ($file)=@_;
	my $curfext = (split(/\./,$file))[-1];
	my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
	my $embstyle = &Apache::loncommon::fileembstyle($curfext);
	if (!(!defined($embstyle) \|\| $embstyle eq 'unk' \|\| $embstyle eq 'hdn')) {
	if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
	$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
	$curfext.".gif") {
	$iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
	$curfext.".gif";
	}
	}
	return $iconname;
	}

=pod	=pod

=back	=back

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

Removed from v.1.145
changed lines
	Added in v.1.187