loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.1065 and 1.1132

version 1.1065, 2012/04/05 13:32:15	version 1.1132, 2013/06/04 23:12:08
Line 67 use Apache::lonhtmlcommon();	Line 67 use Apache::lonhtmlcommon();
use Apache::loncoursedata();	use Apache::loncoursedata();
use Apache::lontexconvert();	use Apache::lontexconvert();
use Apache::lonclonecourse();	use Apache::lonclonecourse();
	use Apache::lonuserutils();
	use Apache::lonuserstate();
use LONCAPA qw(:DEFAULT :match);	use LONCAPA qw(:DEFAULT :match);
use DateTime::TimeZone;	use DateTime::TimeZone;
use DateTime::Locale::Catalog;	use DateTime::Locale::Catalog;
	use Text::Aspell;
	use Authen::Captcha;
	use Captcha::reCAPTCHA;

# ---------------------------------------------- Designs	# ---------------------------------------------- Designs
use vars qw(%defaultdesign);	use vars qw(%defaultdesign);
Line 154 sub ssi_with_retries {	Line 159 sub ssi_with_retries {
# ----------------------------------------------- Filetypes/Languages/Copyright	# ----------------------------------------------- Filetypes/Languages/Copyright
my %language;	my %language;
my %supported_language;	my %supported_language;
	my %supported_codes;
my %latex_language; # For choosing hyphenation in <transl..>	my %latex_language; # For choosing hyphenation in <transl..>
my %latex_language_bykey; # for choosing hyphenation from metadata	my %latex_language_bykey; # for choosing hyphenation from metadata
my %cprtag;	my %cprtag;
Line 188 BEGIN {	Line 194 BEGIN {
while (my $line = <$fh>) {	while (my $line = <$fh>) {
next if ($line=~/^\#/);	next if ($line=~/^\#/);
chomp($line);	chomp($line);
my ($key,$two,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));	my ($key,$code,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));
$language{$key}=$val.' - '.$enc;	$language{$key}=$val.' - '.$enc;
if ($sup) {	if ($sup) {
$supported_language{$key}=$sup;	$supported_language{$key}=$sup;
	$supported_codes{$key} = $code;
}	}
if ($latex) {	if ($latex) {
$latex_language_bykey{$key} = $latex;	$latex_language_bykey{$key} = $latex;
$latex_language{$two} = $latex;	$latex_language{$code} = $latex;
}	}
}	}
close($fh);	close($fh);
Line 524 ENDAUTHORBRW	Line 531 ENDAUTHORBRW
}	}

sub coursebrowser_javascript {	sub coursebrowser_javascript {
my ($domainfilter,$sec_element,$formname,$role_element,$crstype) = @_;	my ($domainfilter,$sec_element,$formname,$role_element,$crstype,
	$credits_element) = @_;
my $wintitle = 'Course_Browser';	my $wintitle = 'Course_Browser';
if ($crstype eq 'Community') {	if ($crstype eq 'Community') {
$wintitle = 'Community_Browser';	$wintitle = 'Community_Browser';
Line 587 sub coursebrowser_javascript {	Line 595 sub coursebrowser_javascript {
}	}
$id_functions	$id_functions
ENDSTDBRW	ENDSTDBRW
if (($sec_element ne '') \|\| ($role_element ne '')) {	if (($sec_element ne '') \|\| ($role_element ne '') \|\| ($credits_element ne '')) {
$output .= &setsec_javascript($sec_element,$formname,$role_element);	$output .= &setsec_javascript($sec_element,$formname,$role_element,
	$credits_element);
}	}
$output .= '	$output .= '
// ]]>	// ]]>
Line 657 if (!Array.prototype.indexOf) {	Line 666 if (!Array.prototype.indexOf) {
var n = 0;	var n = 0;
if (arguments.length > 0) {	if (arguments.length > 0) {
n = Number(arguments[1]);	n = Number(arguments[1]);
if (n !== n) { // shortcut for verifying if it's NaN	if (n !== n) { // shortcut for verifying if it is NaN
n = 0;	n = 0;
} else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {	} else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
n = (n > 0 \|\| -1) * Math.floor(Math.abs(n));	n = (n > 0 \|\| -1) * Math.floor(Math.abs(n));
Line 745 ENDUSERBRW	Line 754 ENDUSERBRW
}	}

sub setsec_javascript {	sub setsec_javascript {
my ($sec_element,$formname,$role_element) = @_;	my ($sec_element,$formname,$role_element,$credits_element) = @_;
my (@courserolenames,@communityrolenames,$rolestr,$courserolestr,	my (@courserolenames,@communityrolenames,$rolestr,$courserolestr,
$communityrolestr);	$communityrolestr);
if ($role_element ne '') {	if ($role_element ne '') {
Line 840 function setRole(crstype) {	Line 849 function setRole(crstype) {
}	}
\|;	\|;
}	}
	if ($credits_element) {
	$setsections .= qq\|
	function setCredits(defaultcredits) {
	document.$formname.$credits_element.value = defaultcredits;
	return;
	}
	\|;
	}
return $setsections;	return $setsections;
}	}

Line 885 sub check_uncheck_jscript {	Line 902 sub check_uncheck_jscript {
function checkAll(field) {	function checkAll(field) {
if (field.length > 0) {	if (field.length > 0) {
for (i = 0; i < field.length; i++) {	for (i = 0; i < field.length; i++) {
field[i].checked = true ;	if (!field[i].disabled) {
	field[i].checked = true;
	}
}	}
} else {	} else {
field.checked = true	if (!field.disabled) {
	field.checked = true;
	}
}	}
}	}

Line 990 sub select_language {	Line 1011 sub select_language {
$langchoices{$code} = &plainlanguagedescription($id);	$langchoices{$code} = &plainlanguagedescription($id);
}	}
}	}
	%langchoices = &Apache::lonlocal::texthash(%langchoices);
return &select_form($selected,$name,\%langchoices);	return &select_form($selected,$name,\%langchoices);
}	}

=pod	=pod


	=item * &list_languages()

	Returns an array reference that is suitable for use in language prompters.
	Each array element is itself a two element array. The first element
	is the language code. The second element a descsriptiuon of the
	language itself. This is suitable for use in e.g.
	&Apache::edit::select_arg (once dereferenced that is).

	=cut

	sub list_languages {
	my @lang_choices;

	foreach my $id (&languageids()) {
	my $code = &supportedlanguagecode($id);
	if ($code) {
	my $selector = $supported_codes{$id};
	my $description = &plainlanguagedescription($id);
	push (@lang_choices, [$selector, $description]);
	}
	}
	return \@lang_choices;
	}

	=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
Line 1021 linked_select_forms takes the following	Line 1070 linked_select_forms takes the following

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

	=item * $onchangefirst, additional javascript call to execute for an onchange
	event for the first <select> tag

	=item * $onchangesecond, additional javascript call to execute for an onchange
	event for the second <select> tag

=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 1074 sub linked_select_forms {	Line 1129 sub linked_select_forms {
$secondselectname,	$secondselectname,
$hashref,	$hashref,
$menuorder,	$menuorder,
	$onchangefirst,
	$onchangesecond
) = @_;	) = @_;
my $second = "document.$formname.$secondselectname";	my $second = "document.$formname.$secondselectname";
my $first = "document.$formname.$firstselectname";	my $first = "document.$formname.$firstselectname";
Line 1130 function select1_changed() {	Line 1187 function select1_changed() {
</script>	</script>
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();$onchangefirst\">\n";
my @order = sort(keys(%{$hashref}));	my @order = sort(keys(%{$hashref}));
if (ref($menuorder) eq 'ARRAY') {	if (ref($menuorder) eq 'ARRAY') {
@order = @{$menuorder};	@order = @{$menuorder};
Line 1143 END	Line 1200 END
$result .= "</select>\n";	$result .= "</select>\n";
my %select2 = %{$hashref->{$firstdefault}->{'select2'}};	my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
$result .= $middletext;	$result .= $middletext;
$result .= "<select size=\"1\" name=\"$secondselectname\">\n";	$result .= "<select size=\"1\" name=\"$secondselectname\"";
	if ($onchangesecond) {
	$result .= ' onchange="'.$onchangesecond.'"';
	}
	$result .= ">\n";
my $seconddefault = $hashref->{$firstdefault}->{'default'};	my $seconddefault = $hashref->{$firstdefault}->{'default'};

my @secondorder = sort(keys(%select2));	my @secondorder = sort(keys(%select2));
Line 1374 function helpMenu(target) {	Line 1435 function helpMenu(target) {
return;	return;
}	}
function writeHelp(caller) {	function writeHelp(caller) {
caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')	caller.document.writeln('$start_page\\n<frame name="bannerframe" src="'+banner_link+'" />\\n<frame name="bodyframe" src="$details_link" />\\n$end_page')
caller.document.close()	caller.document.close()
caller.focus()	caller.focus()
}	}
Line 1981 sub select_form {	Line 2042 sub select_form {
# For display filters	# For display filters

sub display_filter {	sub display_filter {
	my ($context) = @_;
if (!$env{'form.show'}) { $env{'form.show'}=10; }	if (!$env{'form.show'}) { $env{'form.show'}=10; }
if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }	if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
return '<span class="LC_nobreak"><label>'.&mt('Records [_1]',	my $phraseinput = 'hidden';
	my $includeinput = 'hidden';
	my ($checked,$includetypestext);
	if ($env{'form.displayfilter'} eq 'containing') {
	$phraseinput = 'text';
	if ($context eq 'parmslog') {
	$includeinput = 'checkbox';
	if ($env{'form.includetypes'}) {
	$checked = ' checked="checked"';
	}
	$includetypestext = &mt('Include parameter types');
	}
	} else {
	$includetypestext = ' ';
	}
	my ($additional,$secondid,$thirdid);
	if ($context eq 'parmslog') {
	$additional =
	'<label><input type="'.$includeinput.'" name="includetypes"'.
	$checked.' name="includetypes" value="1" id="includetypes" />'.
	' <span id="includetypestext">'.$includetypestext.'</span>'.
	'</label>';
	$secondid = 'includetypes';
	$thirdid = 'includetypestext';
	}
	my $onchange = "javascript:toggleHistoryOptions(this,'containingphrase','$context',
	'$secondid','$thirdid')";
	return '<span class="LC_nobreak"><label>'.&mt('Records: [_1]',
&Apache::lonmeta::selectbox('show',$env{'form.show'},undef,	&Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
(&mt('all'),10,20,50,100,1000,10000))).	(&mt('all'),10,20,50,100,1000,10000))).
'</label></span> <span class="LC_nobreak">'.	'</label></span> <span class="LC_nobreak">'.
&mt('Filter [_1]',	&mt('Filter: [_1]',
&select_form($env{'form.displayfilter'},	&select_form($env{'form.displayfilter'},
'displayfilter',	'displayfilter',
{'currentfolder' => 'Current folder/page',	{'currentfolder' => 'Current folder/page',
'containing' => 'Containing phrase',	'containing' => 'Containing phrase',
'none' => 'None'})).	'none' => 'None'},$onchange)).' '.
'<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></span>';	'<input type="'.$phraseinput.'" name="containingphrase" id="containingphrase" size="30" value="'.
	&HTML::Entities::encode($env{'form.containingphrase'}).
	'" />'.$additional;
	}

	sub display_filter_js {
	my $includetext = &mt('Include parameter types');
	return <<"ENDJS";

	function toggleHistoryOptions(setter,firstid,context,secondid,thirdid) {
	var firstType = 'hidden';
	if (setter.options[setter.selectedIndex].value == 'containing') {
	firstType = 'text';
	}
	firstObject = document.getElementById(firstid);
	if (typeof(firstObject) == 'object') {
	if (firstObject.type != firstType) {
	changeInputType(firstObject,firstType);
	}
	}
	if (context == 'parmslog') {
	var secondType = 'hidden';
	if (firstType == 'text') {
	secondType = 'checkbox';
	}
	secondObject = document.getElementById(secondid);
	if (typeof(secondObject) == 'object') {
	if (secondObject.type != secondType) {
	changeInputType(secondObject,secondType);
	}
	}
	var textItem = document.getElementById(thirdid);
	var currtext = textItem.innerHTML;
	var newtext;
	if (firstType == 'text') {
	newtext = '$includetext';
	} else {
	newtext = ' ';
	}
	if (currtext != newtext) {
	textItem.innerHTML = newtext;
	}
	}
	return;
	}

	function changeInputType(oldObject,newType) {
	var newObject = document.createElement('input');
	newObject.type = newType;
	if (oldObject.size) {
	newObject.size = oldObject.size;
	}
	if (oldObject.value) {
	newObject.value = oldObject.value;
	}
	if (oldObject.name) {
	newObject.name = oldObject.name;
	}
	if (oldObject.id) {
	newObject.id = oldObject.id;
	}
	oldObject.parentNode.replaceChild(newObject,oldObject);
	return;
	}

	ENDJS
}	}

sub gradeleveldescription {	sub gradeleveldescription {
Line 2037 sub select_level_form {	Line 2191 sub select_level_form {

=pod	=pod

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

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 2050 If the $showdomdesc flag is set, the dom	Line 2204 If the $showdomdesc flag is set, the dom

The optional $onchange argument specifies what should occur if the domain selector is changed, e.g., 'this.form.submit()' if the form is to be automatically submitted.	The optional $onchange argument specifies what should occur if the domain selector is changed, e.g., 'this.form.submit()' if the form is to be automatically submitted.

The optional $incdoms is a reference to an array of domains which will be the only available options.	The optional $incdoms is a reference to an array of domains which will be the only available options.

	The optional $excdoms is a reference to an array of domains which will be excluded from the available options.

=cut	=cut

#-------------------------------------------	#-------------------------------------------
sub select_dom_form {	sub select_dom_form {
my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms) = @_;	my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms) = @_;
if ($onchange) {	if ($onchange) {
$onchange = ' onchange="'.$onchange.'"';	$onchange = ' onchange="'.$onchange.'"';
}	}
my @domains;	my (@domains,%exclude);
if (ref($incdoms) eq 'ARRAY') {	if (ref($incdoms) eq 'ARRAY') {
@domains = sort {lc($a) cmp lc($b)} (@{$incdoms});	@domains = sort {lc($a) cmp lc($b)} (@{$incdoms});
} else {	} else {
@domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());	@domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
}	}
if ($includeempty) { @domains=('',@domains); }	if ($includeempty) { @domains=('',@domains); }
	if (ref($excdoms) eq 'ARRAY') {
	map { $exclude{$_} = 1; } @{$excdoms};
	}
my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";	my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
foreach my $dom (@domains) {	foreach my $dom (@domains) {
	next if ($exclude{$dom});
$selectdomain.="<option value=\"$dom\" ".	$selectdomain.="<option value=\"$dom\" ".
($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;	($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
if ($showdomdesc) {	if ($showdomdesc) {
Line 2382 END	Line 2542 END
return $result;	return $result;
}	}

sub authform_authorwarning{	sub authform_authorwarning {
my $result='';	my $result='';
$result='<i>'.	$result='<i>'.
&mt('As a general rule, only authors or co-authors should be '.	&mt('As a general rule, only authors or co-authors should be '.
Line 2391 sub authform_authorwarning{	Line 2551 sub authform_authorwarning{
return $result;	return $result;
}	}

sub authform_nochange{	sub authform_nochange {
my %in = (	my %in = (
formname => 'document.cu',	formname => 'document.cu',
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
my $result;	my $result;
if (keys(%can_assign) == 0) {	if (!$authnum) {
$result = &mt('Under you current role you are not permitted to change login settings for this user');	$result = &mt('Under your current role you are not permitted to change login settings for this user');
} else {	} else {
$result = '<label>'.&mt('[_1] Do not change login data',	$result = '<label>'.&mt('[_1] Do not change login data',
'<input type="radio" name="login" value="nochange" '.	'<input type="radio" name="login" value="nochange" '.
Line 2420 sub authform_kerberos {	Line 2580 sub authform_kerberos {
);	);
my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,	my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
$autharg,$jscall);	$autharg,$jscall);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
if ($in{'kerb_def_auth'} eq 'krb5') {	if ($in{'kerb_def_auth'} eq 'krb5') {
$check5 = ' checked="checked"';	$check5 = ' checked="checked"';
} else {	} else {
Line 2470 sub authform_kerberos {	Line 2630 sub authform_kerberos {
if (defined($in{'mode'})) {	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="radio" name="login" value="krb" />';
}	}
}	}
}	}
Line 2482 sub authform_kerberos {	Line 2642 sub authform_kerberos {
$krbcheck.' />';	$krbcheck.' />';
}	}
if (($can_assign{'krb4'} && $can_assign{'krb5'}) \|\|	if (($can_assign{'krb4'} && $can_assign{'krb5'}) \|\|
($can_assign{'krb4'} && !$can_assign{'krb5'} &&	($can_assign{'krb4'} && !$can_assign{'krb5'} &&
$in{'curr_authtype'} eq 'krb5') \|\|	$in{'curr_authtype'} eq 'krb5') \|\|
(!$can_assign{'krb4'} && $can_assign{'krb5'} &&	(!$can_assign{'krb4'} && $can_assign{'krb5'} &&
$in{'curr_authtype'} eq 'krb4')) {	$in{'curr_authtype'} eq 'krb4')) {
$result .= &mt	$result .= &mt
('[_1] Kerberos authenticated with domain [_2] '.	('[_1] Kerberos authenticated with domain [_2] '.
Line 2520 sub authform_kerberos {	Line 2680 sub authform_kerberos {
return $result;	return $result;
}	}

sub authform_internal{	sub authform_internal {
my %in = (	my %in = (
formname => 'document.cu',	formname => 'document.cu',
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
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 (defined($in{'curr_authtype'})) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'int') {	if ($in{'curr_authtype'} eq 'int') {
if ($can_assign{'int'}) {	if ($can_assign{'int'}) {
Line 2556 sub authform_internal{	Line 2716 sub authform_internal{
if (defined($in{'mode'})) {	if (defined($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="radio" name="login" value="int" />';
}	}
}	}
}	}
Line 2575 sub authform_internal{	Line 2735 sub authform_internal{
return $result;	return $result;
}	}

sub authform_local{	sub authform_local {
my %in = (	my %in = (
formname => 'document.cu',	formname => 'document.cu',
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
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 (defined($in{'curr_authtype'})) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'loc') {	if ($in{'curr_authtype'} eq 'loc') {
if ($can_assign{'loc'}) {	if ($can_assign{'loc'}) {
Line 2611 sub authform_local{	Line 2771 sub authform_local{
if (defined($in{'mode'})) {	if (defined($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="radio" name="login" value="loc" />';
}	}
}	}
}	}
Line 2629 sub authform_local{	Line 2789 sub authform_local{
return $result;	return $result;
}	}

sub authform_filesystem{	sub authform_filesystem {
my %in = (	my %in = (
formname => 'document.cu',	formname => 'document.cu',
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
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 (defined($in{'curr_authtype'})) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'fsys') {	if ($in{'curr_authtype'} eq 'fsys') {
if ($can_assign{'fsys'}) {	if ($can_assign{'fsys'}) {
Line 2662 sub authform_filesystem{	Line 2822 sub authform_filesystem{
if (defined($in{'mode'})) {	if (defined($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="radio" name="login" value="fsys" />';
}	}
}	}
}	}
Line 2893 sub get_related_words {	Line 3053 sub get_related_words {
untie %thesaurus_db;	untie %thesaurus_db;
return @Words;	return @Words;
}	}
	###############################################################
	#
	# Spell checking
	#

	=pod

	=head1 Spell checking

	=over 4

	=item * &check_spelling($wordlist $language)

	Takes a string containing words and feeds it to an external
	spellcheck program via a pipeline. Returns a string containing
	them mis-spelled words.

	Parameters:

	=over 4

	=item - $wordlist

	String that will be fed into the spellcheck program.

	=item - $language

	Language string that specifies the language for which the spell
	check will be performed.

	=back

	=back

	Note: This sub assumes that aspell is installed.


	=cut


=pod	=pod

Line 2900 sub get_related_words {	Line 3099 sub get_related_words {

=cut	=cut

	sub check_spelling {
	my ($wordlist, $language) = @_;
	my @misspellings;

	# Generate the speller and set the langauge.
	# if explicitly selected:

	my $speller = Text::Aspell->new;
	if ($language) {
	$speller->set_option('lang', $language);
	}

	# Turn the word list into an array of words by splittingon whitespace

	my @words = split(/\s+/, $wordlist);

	foreach my $word (@words) {
	if(! $speller->check($word)) {
	push(@misspellings, $word);
	}
	}
	return join(' ', @misspellings);

	}

# -------------------------------------------------------------- Plaintext name	# -------------------------------------------------------------- Plaintext name
=pod	=pod

Line 3129 sub noteswrapper {	Line 3353 sub noteswrapper {
# ------------------------------------------------------------- Aboutme Wrapper	# ------------------------------------------------------------- Aboutme Wrapper

sub aboutmewrapper {	sub aboutmewrapper {
my ($link,$username,$domain,$target)=@_;	my ($link,$username,$domain,$target,$class)=@_;
if (!defined($username) && !defined($domain)) {	if (!defined($username) && !defined($domain)) {
return;	return;
}	}
return '<a href="/adm/'.$domain.'/'.$username.'/aboutme?forcestudent=1"'.	return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
($target?' target="$target"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';	($target?' target="'.$target.'"':'').($class?' class="'.$class.'"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';
}	}

# ------------------------------------------------------------ Syllabus Wrapper	# ------------------------------------------------------------ Syllabus Wrapper
Line 3990 sub findallcourses {	Line 4214 sub findallcourses {
$udom = $env{'user.domain'};	$udom = $env{'user.domain'};
}	}
if (($uname ne $env{'user.name'}) \|\| ($udom ne $env{'user.domain'})) {	if (($uname ne $env{'user.name'}) \|\| ($udom ne $env{'user.domain'})) {
my $extra = &Apache::lonnet::freeze_escape({'skipcheck' => 1});	my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname,'.',undef,
$extra);
if (!%roles) {	if (!%roles) {
%roles = (	%roles = (
cc => 1,	cc => 1,
Line 4710 sub designparm {	Line 4932 sub designparm {

Inputs: $url (usually will be undef).	Inputs: $url (usually will be undef).

Returns: Path to Construction Space containing the resource or	Returns: Path to Authoring Space containing the resource or
directory being viewed (or for which action is being taken).	directory being viewed (or for which action is being taken).
If $url is provided, and begins /priv/<domain>/<uname>	If $url is provided, and begins /priv/<domain>/<uname>
the path will be that portion of the $context argument.	the path will be that portion of the $context argument.
Line 4773 Input: (optional) filename from which br	Line 4995 Input: (optional) filename from which br
is appropriate for use in building the breadcrumb trail.	is appropriate for use in building the breadcrumb trail.

Returns: HTML div with CSTR path and recent box	Returns: HTML div with CSTR path and recent box
To be included on Construction Space pages	To be included on Authoring Space pages

=cut	=cut

Line 4788 sub CSTR_pageheader {	Line 5010 sub CSTR_pageheader {

my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};	my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
my ($udom,$uname,$thisdisfn)=	my ($udom,$uname,$thisdisfn)=
($trailfile =~ m{^\Q$londocroot\E/priv/([^/]+)/([^/]+)/(.*)$});	($trailfile =~ m{^\Q$londocroot\E/priv/([^/]+)/([^/]+)(?:\|/(.*))$});
my $formaction = "/priv/$udom/$uname/$thisdisfn";	my $formaction = "/priv/$udom/$uname/$thisdisfn";
$formaction =~ s{/+}{/}g;	$formaction =~ s{/+}{/}g;

Line 4804 sub CSTR_pageheader {	Line 5026 sub CSTR_pageheader {
my $output =	my $output =
'<div>'	'<div>'
.&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?	.&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?
.'<b>'.&mt('Construction Space:').'</b> '	.'<b>'.&mt('Authoring Space:').'</b> '
.'<form name="dirs" method="post" action="'.$formaction	.'<form name="dirs" method="post" action="'.$formaction
.'" target="_top">' #FIXME lonpubdir: target="_parent"	.'" target="_top">' #FIXME lonpubdir: target="_parent"
.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv/'.$udom,undef,undef);	.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv/'.$udom,undef,undef);
Line 4869 Inputs:	Line 5091 Inputs:
should it have jsmath forced on by the	should it have jsmath forced on by the
current page	current page

	=item * $advtoolsref, optional argument, ref to an array containing
	inlineremote items to be added in "Functions" menu below
	breadcrumbs.

=back	=back

Returns: A uniform header for LON-CAPA web pages.	Returns: A uniform header for LON-CAPA web pages.
Line 4880 other decorations will be returned.	Line 5106 other decorations will be returned.

sub bodytag {	sub bodytag {
my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,	my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
$no_nav_bar,$bgcolor,$args)=@_;	$no_nav_bar,$bgcolor,$args,$advtoolsref)=@_;

my $public;	my $public;
if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))	if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
Line 4929 sub bodytag {	Line 5155 sub bodytag {
my $bodytag = "<body $extra_body_attr>".	my $bodytag = "<body $extra_body_attr>".
&Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});	&Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});

if ($bodyonly) {	&get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);

	if (($bodyonly) \|\| ($no_nav_bar) \|\| ($env{'form.inhibitmenu'} eq 'yes')) {
return $bodytag;	return $bodytag;
}	}

my $name = &plainname($env{'user.name'},$env{'user.domain'});
if ($public) {	if ($public) {
undef($role);	undef($role);
} else {
$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
}	}

my $titleinfo = '<h1>'.$title.'</h1>';	my $titleinfo = '<h1>'.$title.'</h1>';
Line 4953 sub bodytag {	Line 5178 sub bodytag {
}	}

$role = '<span class="LC_nobreak">('.$role.')</span>' if $role;	$role = '<span class="LC_nobreak">('.$role.')</span>' if $role;
&get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);

if ($no_nav_bar \|\| $env{'form.inhibitmenu'} eq 'yes') {
return $bodytag;
}

if ($env{'request.state'} eq 'construct') { $forcereg=1; }	if ($env{'request.state'} eq 'construct') { $forcereg=1; }

Line 4965 sub bodytag {	Line 5185 sub bodytag {
# $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls	# $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls
# }	# }

	$bodytag .= Apache::lonhtmlcommon::scripttag(
	Apache::lonmenu::utilityfunctions(), 'start');

	my ($left,$right) = Apache::lonmenu::primary_menu();

if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {	if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {
if ($dc_info) {	if ($dc_info) {
$dc_info = qq\|<span class="LC_cusr_subheading">$dc_info</span>\|;	$dc_info = qq\|<span class="LC_cusr_subheading">$dc_info</span>\|;
}	}
$bodytag .= qq\|<div id="LC_nav_bar">$name $role<br />	$bodytag .= qq\|<div id="LC_nav_bar">$left $role<br />
<em>$realm</em> $dc_info</div>\|;	<em>$realm</em> $dc_info</div>\|;
return $bodytag;	return $bodytag;
}	}

unless ($env{'request.symb'} =~ m/\.page___\d+___/) {	unless ($env{'request.symb'} =~ m/\.page___\d+___/) {
$bodytag .= qq\|<div id="LC_nav_bar">$name $role</div>\|;	$bodytag .= qq\|<div id="LC_nav_bar">$left $role</div>\|;
}	}

$bodytag .= Apache::lonhtmlcommon::scripttag(	$bodytag .= $right;
Apache::lonmenu::utilityfunctions(), 'start');

$bodytag .= Apache::lonmenu::primary_menu();

if ($dc_info) {	if ($dc_info) {
$dc_info = &dc_courseid_toggle($dc_info);	$dc_info = &dc_courseid_toggle($dc_info);
Line 4998 sub bodytag {	Line 5218 sub bodytag {
if ($env{'request.state'} eq 'construct') {	if ($env{'request.state'} eq 'construct') {
$bodytag .= &Apache::lonmenu::innerregister($forcereg,	$bodytag .= &Apache::lonmenu::innerregister($forcereg,
$args->{'bread_crumbs'});	$args->{'bread_crumbs'});
} elsif ($forcereg) {	} elsif ($forcereg) {
$bodytag .= &Apache::lonmenu::innerregister($forcereg);	$bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,
	$args->{'group'});
	} else {
	$bodytag .=
	&Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
	$forcereg,$args->{'group'},
	$args->{'bread_crumbs'},
	$advtoolsref);
}	}
}else{	}else{
# this is to seperate menu from content when there's no secondary	# this is to seperate menu from content when there's no secondary
Line 5014 sub bodytag {	Line 5241 sub bodytag {
sub dc_courseid_toggle {	sub dc_courseid_toggle {
my ($dc_info) = @_;	my ($dc_info) = @_;
return ' <span id="dccidtext" class="LC_cusr_subheading LC_nobreak">'.	return ' <span id="dccidtext" class="LC_cusr_subheading LC_nobreak">'.
'<a href="javascript:showCourseID();">'.	'<a href="javascript:showCourseID();" class="LC_menubuttons_link">'.
&mt('(More ...)').'</a></span>'.	&mt('(More ...)').'</a></span>'.
'<div id="dccid" class="LC_dccid">'.$dc_info.'</div>';	'<div id="dccid" class="LC_dccid">'.$dc_info.'</div>';
}	}
Line 5071 i.e., $env{'internal.head.redirect'} exi	Line 5298 i.e., $env{'internal.head.redirect'} exi

sub endbodytag {	sub endbodytag {
my ($args) = @_;	my ($args) = @_;
my $endbodytag='</body>';	my $endbodytag;
	unless ((ref($args) eq 'HASH') && ($args->{'notbody'})) {
	$endbodytag='</body>';
	}
$endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;	$endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
if ( exists( $env{'internal.head.redirect'} ) ) {	if ( exists( $env{'internal.head.redirect'} ) ) {
if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {	if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
Line 5173 form, .inline {	Line 5403 form, .inline {
vertical-align:middle;	vertical-align:middle;
}	}

	.LC_floatleft {
	float: left;
	}

	.LC_floatright {
	float: right;
	}

.LC_400Box {	.LC_400Box {
width:400px;	width:400px;
}	}
Line 5211 form, .inline {	Line 5449 form, .inline {

.LC_error {	.LC_error {
color: red;	color: red;
font-size: larger;
}	}

.LC_warning,	.LC_warning {
	color: darkorange;
	}

.LC_diff_removed {	.LC_diff_removed {
color: red;	color: red;
}	}
Line 5377 td.LC_table_cell_checkbox {	Line 5617 td.LC_table_cell_checkbox {
text-align: left;	text-align: left;
}	}

.LC_head_subbox {	.LC_head_subbox, .LC_actionbox {
clear:both;	clear:both;
background: #F8F8F8; /* $sidebg; */	background: #F8F8F8; /* $sidebg; */
border: 1px solid $sidebg;	border: 1px solid $sidebg;
margin: 0 0 10px 0;	margin: 0 0 10px 0;
padding: 3px;	padding: 3px;
text-align: left;	text-align: left;
}	}
Line 5514 table.LC_nested tr.LC_empty_row td {	Line 5754 table.LC_nested tr.LC_empty_row td {
padding: 8px;	padding: 8px;
}	}

table.LC_data_table tr.LC_empty_row td {	table.LC_data_table tr.LC_empty_row td,
	table.LC_data_table tr.LC_footer_row td {
background-color: $sidebg;	background-color: $sidebg;
}	}

Line 6076 div.LC_docs_entry_move {	Line 6317 div.LC_docs_entry_move {

table.LC_data_table tr > td.LC_docs_entry_commands,	table.LC_data_table tr > td.LC_docs_entry_commands,
table.LC_data_table tr > td.LC_docs_entry_parameter {	table.LC_data_table tr > td.LC_docs_entry_parameter {
background: #DDDDDD;
font-size: x-small;	font-size: x-small;
}	}

Line 6241 div.LC_edit_problem_saves {	Line 6481 div.LC_edit_problem_saves {
padding-bottom: 5px;	padding-bottom: 5px;
}	}

	.LC_edit_opt {
	padding-left: 1em;
	white-space: nowrap;
	}

img.stift {	img.stift {
border-width: 0;	border-width: 0;
vertical-align: middle;	vertical-align: middle;
Line 6255 div.LC_createcourse {	Line 6500 div.LC_createcourse {
}	}

.LC_dccid {	.LC_dccid {
	float: right;
margin: 0.2em 0 0 0;	margin: 0.2em 0 0 0;
padding: 0;	padding: 0;
font-size: 90%;	font-size: 90%;
Line 6352 fieldset > legend {	Line 6598 fieldset > legend {
}	}

ol.LC_primary_menu {	ol.LC_primary_menu {
float: right;
margin: 0;	margin: 0;
	padding: 0;
background-color: $pgbg_or_bgcolor;	background-color: $pgbg_or_bgcolor;
}	}

Line 6362 ol#LC_PathBreadcrumbs {	Line 6608 ol#LC_PathBreadcrumbs {
}	}

ol.LC_primary_menu li {	ol.LC_primary_menu li {
display: inline;	color: RGB(80, 80, 80);
padding: 5px 5px 0 10px;	vertical-align: middle;
	text-align: left;
	list-style: none;
	float: left;
	}

	ol.LC_primary_menu li a {
	display: block;
	margin: 0;
	padding: 0 5px 0 10px;
	text-decoration: none;
	}

	ol.LC_primary_menu li ul {
	display: none;
	width: 10em;
	background-color: $data_table_light;
	}

	ol.LC_primary_menu li:hover ul, ol.LC_primary_menu li.hover ul {
	display: block;
	position: absolute;
	margin: 0;
	padding: 0;
	z-index: 2;
	}

	ol.LC_primary_menu li:hover li, ol.LC_primary_menu li.hover li {
	font-size: 90%;
vertical-align: top;	vertical-align: top;
	float: none;
	border-left: 1px solid black;
	border-right: 1px solid black;
	}

	ol.LC_primary_menu li:hover li a, ol.LC_primary_menu li.hover li a {
	background-color:$data_table_light;
	}

	ol.LC_primary_menu li li a:hover {
	color:$button_hover;
	background-color:$data_table_dark;
}	}

ol.LC_primary_menu li img {	ol.LC_primary_menu li img {
vertical-align: bottom;	vertical-align: bottom;
height: 1.1em;	height: 1.1em;
	margin: 0.2em 0 0 0;
}	}

ol.LC_primary_menu a {	ol.LC_primary_menu a {
Line 6407 ol.LC_docs_parameters li.LC_docs_paramet	Line 6694 ol.LC_docs_parameters li.LC_docs_paramet
}	}

ul#LC_secondary_menu {	ul#LC_secondary_menu {
clear: both;	clear: right;
color: $fontmenu;	color: $fontmenu;
background: $tabbg;	background: $tabbg;
list-style: none;	list-style: none;
Line 6415 ul#LC_secondary_menu {	Line 6702 ul#LC_secondary_menu {
margin: 0;	margin: 0;
width: 100%;	width: 100%;
text-align: left;	text-align: left;
	float: left;
}	}

ul#LC_secondary_menu li {	ul#LC_secondary_menu li {
font-weight: bold;	font-weight: bold;
line-height: 1.8em;	line-height: 1.8em;
	border-right: 1px solid black;
	float: left;
	}

	ul#LC_secondary_menu li.LC_hoverable:hover, ul#LC_secondary_menu li.hover {
	background-color: $data_table_light;
	}

	ul#LC_secondary_menu li a {
padding: 0 0.8em;	padding: 0 0.8em;
	}

	ul#LC_secondary_menu li ul {
	display: none;
	}

	ul#LC_secondary_menu li:hover ul, ul#LC_secondary_menu li.hover ul {
	display: block;
	position: absolute;
	margin: 0;
	padding: 0;
	list-style:none;
	float: none;
	background-color: $data_table_light;
	z-index: 2;
	margin-left: -1px;
	}

	ul#LC_secondary_menu li ul li {
	font-size: 90%;
	vertical-align: top;
	border-left: 1px solid black;
border-right: 1px solid black;	border-right: 1px solid black;
display: inline;	background-color: $data_table_light;
vertical-align: middle;	list-style:none;
	float: none;
	}

	ul#LC_secondary_menu li ul li:hover, ul#LC_secondary_menu li ul li.hover {
	background-color: $data_table_dark;
}	}

ul.LC_TabContent {	ul.LC_TabContent {
Line 6763 ul#LC_toolbar {	Line 7087 ul#LC_toolbar {
list-style:none;	list-style:none;
position:relative;	position:relative;
background-color:white;	background-color:white;
	overflow: auto;
}	}

ul#LC_toolbar li {	ul#LC_toolbar li {
Line 6772 ul#LC_toolbar li {	Line 7097 ul#LC_toolbar li {
float: left;	float: left;
display:inline;	display:inline;
vertical-align:middle;	vertical-align:middle;
	white-space: nowrap;
}	}


Line 6868 ul.LC_funclist li {	Line 7194 ul.LC_funclist li {
cursor:pointer;	cursor:pointer;
}	}

	/*
	styles used by TTH when "Default set of options to pass to tth/m
	when converting TeX" in course settings has been set

	option passed: -t

	*/

	td div.comp { margin-top: -0.6ex; margin-bottom: -1ex;}
	td div.comb { margin-top: -0.6ex; margin-bottom: -.6ex;}
	td div.hrcomp { line-height: 0.9; margin-top: -0.8ex; margin-bottom: -1ex;}
	td div.norm {line-height:normal;}

	/*
	option passed -y3
	*/

	span.roman {font-family: serif; font-style: normal; font-weight: normal;}
	span.overacc2 {position: relative; left: .8em; top: -1.2ex;}
	span.overacc1 {position: relative; left: .6em; top: -1.2ex;}

END	END
}	}

Line 7137 $args - additional optional args support	Line 7484 $args - additional optional args support
current page	current page
bread_crumbs -> Array containing breadcrumbs	bread_crumbs -> Array containing breadcrumbs
bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs	bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs
	group -> includes the current group, if page is for a
	specific group

=back	=back

Line 7149 sub start_page {	Line 7498 sub start_page {
#&Apache::lonnet::logthis("start_page ".join(':',caller(0)));	#&Apache::lonnet::logthis("start_page ".join(':',caller(0)));

$env{'internal.start_page'}++;	$env{'internal.start_page'}++;
my $result;	my ($result,@advtools);

if (! exists($args->{'skip_phases'}{'head'}) ) {	if (! exists($args->{'skip_phases'}{'head'}) ) {
$result .= &xml_begin() . &headtag($title, $head_extra, $args);	$result .= &xml_begin() . &headtag($title, $head_extra, $args);
Line 7166 sub start_page {	Line 7515 sub start_page {
$args->{'function'}, $args->{'add_entries'},	$args->{'function'}, $args->{'add_entries'},
$args->{'only_body'}, $args->{'domain'},	$args->{'only_body'}, $args->{'domain'},
$args->{'force_register'}, $args->{'no_nav_bar'},	$args->{'force_register'}, $args->{'no_nav_bar'},
$args->{'bgcolor'}, $args);	$args->{'bgcolor'}, $args,
	\@advtools);
}	}
}	}

Line 7195 sub start_page {	Line 7545 sub start_page {
&Apache::lonhtmlcommon::add_breadcrumb($crumb);	&Apache::lonhtmlcommon::add_breadcrumb($crumb);
}	}
}	}
	# if @advtools array contains items add then to the breadcrumbs
	if (@advtools > 0) {
	&Apache::lonmenu::advtools_crumbs(@advtools);
	}

#if bread_crumbs_component exists show it as headline else show only the breadcrumbs	#if bread_crumbs_component exists show it as headline else show only the breadcrumbs
if(exists($args->{'bread_crumbs_component'})){	if(exists($args->{'bread_crumbs_component'})){
Line 7223 sub end_page {	Line 7577 sub end_page {
} else {	} else {
$result .= &endbodytag($args);	$result .= &endbodytag($args);
}	}
$result .= "\n</html>";	unless ($args->{'notbody'}) {
	$result .= "\n</html>";
	}

if ($args->{'js_ready'}) {	if ($args->{'js_ready'}) {
$result = &js_ready($result);	$result = &js_ready($result);
Line 7308 sub modal_link {	Line 7664 sub modal_link {
unless ($width) { $width=480; }	unless ($width) { $width=480; }
unless ($height) { $height=400; }	unless ($height) { $height=400; }
unless ($scrolling) { $scrolling='yes'; }	unless ($scrolling) { $scrolling='yes'; }
return '<a href="'.$link.'" target="'.$target.'" title="'.$title.'" onclick="openMyModal(\''.$link.'\','.$width.','.$height.',\''.$scrolling.'\'); return false;">'.	my $target_attr;
$linktext.'</a>';	if (defined($target)) {
	$target_attr = 'target="'.$target.'"';
	}
	return <<"ENDLINK";
	<a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling'); return false;">
	$linktext</a>
	ENDLINK
}	}

sub modal_adhoc_script {	sub modal_adhoc_script {
Line 7457 sub LCprogressbar {	Line 7819 sub LCprogressbar {
$LCcurrentid=$$.'_'.$LCidcnt;	$LCcurrentid=$$.'_'.$LCidcnt;
my $starting=&mt('Starting');	my $starting=&mt('Starting');
my $content=(<<ENDPROGBAR);	my $content=(<<ENDPROGBAR);
<p>
<div id="progressbar$LCcurrentid">	<div id="progressbar$LCcurrentid">
<span class="pblabel">$starting</span>	<span class="pblabel">$starting</span>
</div>	</div>
</p>
ENDPROGBAR	ENDPROGBAR
&r_print($r,$content.&LCprogressbar_script($LCcurrentid));	&r_print($r,$content.&LCprogressbar_script($LCcurrentid));
}	}
Line 7557 sub validate_page {	Line 7917 sub validate_page {


sub start_scrollbox {	sub start_scrollbox {
my ($outerwidth,$width,$height,$id)=@_;	my ($outerwidth,$width,$height,$id,$bgcolor)=@_;
unless ($outerwidth) { $outerwidth='520px'; }	unless ($outerwidth) { $outerwidth='520px'; }
unless ($width) { $width='500px'; }	unless ($width) { $width='500px'; }
unless ($height) { $height='200px'; }	unless ($height) { $height='200px'; }
my ($table_id,$div_id);	my ($table_id,$div_id,$tdcol);
if ($id ne '') {	if ($id ne '') {
$table_id = " id='table_$id'";	$table_id = " id='table_$id'";
$div_id = " id='div_$id'";	$div_id = " id='div_$id'";
}	}
return "<table style='width: $outerwidth; border: 1px solid none;'$table_id><tr><td style='width: $width;' bgcolor='#FFFFFF'><div style='overflow:auto; width:$width; height: $height;'$div_id>";	if ($bgcolor ne '') {
	$tdcol = "background-color: $bgcolor;";
	}
	return <<"END";
	<table style="width: $outerwidth; border: 1px solid none;"$table_id><tr><td style="width: $width;$tdcol"><div style="overflow:auto; width:$width; height: $height;"$div_id>
	END
}	}

sub end_scrollbox {	sub end_scrollbox {
Line 7577 sub simple_error_page {	Line 7942 sub simple_error_page {
my ($r,$title,$msg) = @_;	my ($r,$title,$msg) = @_;
my $page =	my $page =
&Apache::loncommon::start_page($title).	&Apache::loncommon::start_page($title).
&mt($msg).	'<p class="LC_error">'.&mt($msg).'</p>'.
&Apache::loncommon::end_page();	&Apache::loncommon::end_page();
if (ref($r)) {	if (ref($r)) {
$r->print($page);	$r->print($page);
Line 7792 role status: active, previous or future.	Line 8157 role status: active, previous or future.

sub check_user_status {	sub check_user_status {
my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;	my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
my $extra = &Apache::lonnet::freeze_escape({'skipcheck' => 1});	my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname,'.',undef,$extra);
my @uroles = keys %userinfo;	my @uroles = keys %userinfo;
my $srchstr;	my $srchstr;
my $active_chk = 'none';	my $active_chk = 'none';
Line 7871 sub get_sections {	Line 8235 sub get_sections {
my %sectioncount;	my %sectioncount;
my $now = time;	my $now = time;

if (!defined($possible_roles) \|\| (grep(/^st$/,@$possible_roles))) {	my $check_students = 1;
	my $only_students = 0;
	if (ref($possible_roles) eq 'ARRAY') {
	if (grep(/^st$/,@{$possible_roles})) {
	if (@{$possible_roles} == 1) {
	$only_students = 1;
	}
	} else {
	$check_students = 0;
	}
	}

	if ($check_students) {
my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);	my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
my $sec_index = &Apache::loncoursedata::CL_SECTION();	my $sec_index = &Apache::loncoursedata::CL_SECTION();
my $status_index = &Apache::loncoursedata::CL_STATUS();	my $status_index = &Apache::loncoursedata::CL_STATUS();
Line 7898 sub get_sections {	Line 8274 sub get_sections {
}	}
}	}
}	}
	if ($only_students) {
	return %sectioncount;
	}
my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);	my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
foreach my $user (sort(keys(%courseroles))) {	foreach my $user (sort(keys(%courseroles))) {
if ($user !~ /^(\w{2})/) { next; }	if ($user !~ /^(\w{2})/) { next; }
Line 8045 sub get_course_users {	Line 8424 sub get_course_users {
active => 'Active',	active => 'Active',
future => 'Future',	future => 'Future',
);	);
my %nothide;	my (%nothide,@possdoms);
if ($hidepriv) {	if ($hidepriv) {
my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);	my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
foreach my $user (split(/\s\,\s/,$coursehash{'nothideprivileged'})) {	foreach my $user (split(/\s\,\s/,$coursehash{'nothideprivileged'})) {
Line 8055 sub get_course_users {	Line 8434 sub get_course_users {
$nothide{$user} = 1;	$nothide{$user} = 1;
}	}
}	}
	my @possdoms = ($cdom);
	if ($coursehash{'checkforpriv'}) {
	push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
	}
}	}
foreach my $person (sort(keys(%coursepersonnel))) {	foreach my $person (sort(keys(%coursepersonnel))) {
my $match = 0;	my $match = 0;
Line 8090 sub get_course_users {	Line 8473 sub get_course_users {
}	}
if ($uname ne '' && $udom ne '') {	if ($uname ne '' && $udom ne '') {
if ($hidepriv) {	if ($hidepriv) {
if ((&Apache::lonnet::privileged($uname,$udom)) &&	if ((&Apache::lonnet::privileged($uname,$udom,\@possdoms)) &&
(!$nothide{$uname.':'.$udom})) {	(!$nothide{$uname.':'.$udom})) {
next;	next;
}	}
Line 8695 sub user_rule_formats {	Line 9078 sub user_rule_formats {
my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);	my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {	if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
if (@{$ruleorder} > 0) {	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>';	$output = '<br />'.
	&mt($text{$check}.' with the following format(s) may [_1]only[_2] be used for verified users at [_3]:',
	'<span class="LC_cusr_emph">','</span>',$domdesc).
	' <ul>';
foreach my $rule (@{$ruleorder}) {	foreach my $rule (@{$ruleorder}) {
if (ref($curr_rules) eq 'ARRAY') {	if (ref($curr_rules) eq 'ARRAY') {
if (grep(/^\Q$rule\E$/,@{$curr_rules})) {	if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
Line 9164 sub get_env_multiple {	Line 9550 sub get_env_multiple {

sub ask_for_embedded_content {	sub ask_for_embedded_content {
my ($actionurl,$state,$allfiles,$codebase,$args)=@_;	my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges);	my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges,
my $num = 0;	%currsubfile,%unused,$rem);
	my $counter = 0;
	my $numnew = 0;
my $numremref = 0;	my $numremref = 0;
my $numinvalid = 0;	my $numinvalid = 0;
my $numpathchg = 0;	my $numpathchg = 0;
my $numexisting = 0;	my $numexisting = 0;
my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath);	my $numunused = 0;
if (($actionurl eq '/adm/portfolio') \|\| ($actionurl eq '/adm/coursegrp_portfolio')) {	my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath,$cdom,$cnum,
	$fileloc,$filename,$delete_output,$modify_output,$title,$symb,$path);
	my $heading = &mt('Upload embedded files');
	my $buttontext = &mt('Upload');

	my ($navmap,$cdom,$cnum);
	if ($env{'request.course.id'}) {
	if ($actionurl eq '/adm/dependencies') {
	$navmap = Apache::lonnavmaps::navmap->new();
	}
	$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	$cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	}
	if (($actionurl eq '/adm/portfolio') \|\|
	($actionurl eq '/adm/coursegrp_portfolio')) {
my $current_path='/';	my $current_path='/';
if ($env{'form.currentpath'}) {	if ($env{'form.currentpath'}) {
$current_path = $env{'form.currentpath'};	$current_path = $env{'form.currentpath'};
}	}
if ($actionurl eq '/adm/coursegrp_portfolio') {	if ($actionurl eq '/adm/coursegrp_portfolio') {
$udom = $env{'course.'.$env{'request.course.id'}.'.domain'};	$udom = $cdom;
$uname = $env{'course.'.$env{'request.course.id'}.'.num'};	$uname = $cnum;
$url = '/userfiles/groups/'.$env{'form.group'}.'/portfolio';	$url = '/userfiles/groups/'.$env{'form.group'}.'/portfolio';
} else {	} else {
$udom = $env{'user.domain'};	$udom = $env{'user.domain'};
Line 9198 sub ask_for_embedded_content {	Line 9600 sub ask_for_embedded_content {
}	}
} elsif ($actionurl eq '/adm/coursedocs') {	} elsif ($actionurl eq '/adm/coursedocs') {
if (ref($args) eq 'HASH') {	if (ref($args) eq 'HASH') {
$url = $args->{'docs_url'};	$url = $args->{'docs_url'};
$toplevel = $url;	$toplevel = $url;
	if ($args->{'context'} eq 'paste') {
	($cdom,$cnum) = ($url =~ m{^\Q/uploaded/\E($match_domain)/($match_courseid)/});
	($path) =
	($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs\|supplemental)/(?:default\|\d+)/\d+)/});
	$fileloc = &Apache::lonnet::filelocation('',$toplevel);
	$fileloc =~ s{^/}{};
	}
	}
	} elsif ($actionurl eq '/adm/dependencies') {
	if ($env{'request.course.id'} ne '') {
	if (ref($args) eq 'HASH') {
	$url = $args->{'docs_url'};
	$title = $args->{'docs_title'};
	$toplevel = $url;
	unless ($toplevel =~ m{^/}) {
	$toplevel = "/$url";
	}
	($rem) = ($toplevel =~ m{^(.+/)[^/]+$});
	if ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/portfolio/syllabus\E)}) {
	$path = $1;
	} else {
	($path) =
	($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs\|supplemental)/(?:default\|\d+)/\d+)/});
	}
	$fileloc = &Apache::lonnet::filelocation('',$toplevel);
	$fileloc =~ s{^/}{};
	($filename) = ($fileloc =~ m{.+/([^/]+)$});
	$heading = &mt('Status of dependencies in [_1]',"$title ($filename)");
	}
	}
	} elsif ($actionurl eq "/public/$cdom/$cnum/syllabus") {
	$udom = $cdom;
	$uname = $cnum;
	$url = "/uploaded/$cdom/$cnum/portfolio/syllabus";
	$toplevel = $url;
	$path = $url;
	$fileloc = &Apache::lonnet::filelocation('',$toplevel).'/';
	$fileloc =~ s{^/}{};
	}
	foreach my $file (keys(%{$allfiles})) {
	my $embed_file;
	if (($path eq "/uploaded/$cdom/$cnum/portfolio/syllabus") && ($file =~ m{^\Q$path/\E(.+)$})) {
	$embed_file = $1;
	} else {
	$embed_file = $file;
}	}
}
my $now = time();
foreach my $embed_file (keys(%{$allfiles})) {
my $absolutepath;	my $absolutepath;
if ($embed_file =~ m{^\w+://}) {	if ($embed_file =~ m{^\w+://}) {
$newfiles{$embed_file} = 1;	$newfiles{$embed_file} = 1;
Line 9238 sub ask_for_embedded_content {	Line 9682 sub ask_for_embedded_content {
}	}
}	}
}	}
	my $dirptr = 16384;
foreach my $path (keys(%subdependencies)) {	foreach my $path (keys(%subdependencies)) {
my %currsubfile;	$currsubfile{$path} = {};
if (($actionurl eq '/adm/portfolio') \|\| ($actionurl eq '/adm/coursegrp_portfolio')) {	if (($actionurl eq '/adm/portfolio') \|\|
	($actionurl eq '/adm/coursegrp_portfolio')) {
my ($sublistref,$listerror) =	my ($sublistref,$listerror) =
&Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);	&Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
if (ref($sublistref) eq 'ARRAY') {	if (ref($sublistref) eq 'ARRAY') {
foreach my $line (@{$sublistref}) {	foreach my $line (@{$sublistref}) {
my ($file_name,$rest) = split(/\&/,$line,2);	my ($file_name,$rest) = split(/\&/,$line,2);
$currsubfile{$file_name} = 1;	$currsubfile{$path}{$file_name} = 1;
}	}
}	}
} elsif (($actionurl eq '/adm/upload') \|\| ($actionurl eq '/adm/testbank')) {	} elsif (($actionurl eq '/adm/upload') \|\| ($actionurl eq '/adm/testbank')) {
if (opendir(my $dir,$url.'/'.$path)) {	if (opendir(my $dir,$url.'/'.$path)) {
my @subdir_list = grep(!/^\./,readdir($dir));	my @subdir_list = grep(!/^\./,readdir($dir));
map {$currsubfile{$_} = 1;} @subdir_list;	map {$currsubfile{$path}{$_} = 1;} @subdir_list;
	}
	} elsif (($actionurl eq '/adm/dependencies') \|\|
	(($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
	($args->{'context'} eq 'paste')) \|\|
	($actionurl eq "/public/$cdom/$cnum/syllabus")) {
	if ($env{'request.course.id'} ne '') {
	my $dir;
	if ($actionurl eq "/public/$cdom/$cnum/syllabus") {
	$dir = $fileloc;
	} else {
	($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
	}
	if ($dir ne '') {
	my ($sublistref,$listerror) =
	&Apache::lonnet::dirlist($dir.$path,$cdom,$cnum,$getpropath,undef,'/');
	if (ref($sublistref) eq 'ARRAY') {
	foreach my $line (@{$sublistref}) {
	my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,$size,
	undef,$mtime)=split(/\&/,$line,12);
	unless (($testdir&$dirptr) \|\|
	($file_name =~ /^\.\.?$/)) {
	$currsubfile{$path}{$file_name} = [$size,$mtime];
	}
	}
	}
	}
}	}
}	}
foreach my $file (keys(%{$subdependencies{$path}})) {	foreach my $file (keys(%{$subdependencies{$path}})) {
if ($currsubfile{$file}) {	if (exists($currsubfile{$path}{$file})) {
my $item = $path.'/'.$file;	my $item = $path.'/'.$file;
unless ($mapping{$item} eq $item) {	unless ($mapping{$item} eq $item) {
$pathchanges{$item} = 1;	$pathchanges{$item} = 1;
Line 9267 sub ask_for_embedded_content {	Line 9739 sub ask_for_embedded_content {
$newfiles{$path.'/'.$file} = 1;	$newfiles{$path.'/'.$file} = 1;
}	}
}	}
	if ($actionurl eq '/adm/dependencies') {
	foreach my $path (keys(%currsubfile)) {
	if (ref($currsubfile{$path}) eq 'HASH') {
	foreach my $file (keys(%{$currsubfile{$path}})) {
	unless ($subdependencies{$path}{$file}) {
	next if (($rem ne '') &&
	(($env{"httpref.$rem"."$path/$file"} ne '') \|\|
	(ref($navmap) &&
	(($navmap->getResourceByUrl($rem."$path/$file") ne '') \|\|
	(($file =~ /^(.*\.s?html?)\.bak$/i) &&
	($navmap->getResourceByUrl($rem."$path/$1")))))));
	$unused{$path.'/'.$file} = 1;
	}
	}
	}
	}
	}
}	}
my %currfile;	my %currfile;
if (($actionurl eq '/adm/portfolio') \|\| ($actionurl eq '/adm/coursegrp_portfolio')) {	if (($actionurl eq '/adm/portfolio') \|\|
	($actionurl eq '/adm/coursegrp_portfolio')) {
my ($dirlistref,$listerror) =	my ($dirlistref,$listerror) =
&Apache::lonnet::dirlist($url,$udom,$uname,$getpropath);	&Apache::lonnet::dirlist($url,$udom,$uname,$getpropath);
if (ref($dirlistref) eq 'ARRAY') {	if (ref($dirlistref) eq 'ARRAY') {
Line 9283 sub ask_for_embedded_content {	Line 9773 sub ask_for_embedded_content {
my @dir_list = grep(!/^\./,readdir($dir));	my @dir_list = grep(!/^\./,readdir($dir));
map {$currfile{$_} = 1;} @dir_list;	map {$currfile{$_} = 1;} @dir_list;
}	}
	} elsif (($actionurl eq '/adm/dependencies') \|\|
	(($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
	($args->{'context'} eq 'paste')) \|\|
	($actionurl eq "/public/$cdom/$cnum/syllabus")) {
	if ($env{'request.course.id'} ne '') {
	my ($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
	if ($dir ne '') {
	my ($dirlistref,$listerror) =
	&Apache::lonnet::dirlist($dir,$cdom,$cnum,$getpropath,undef,'/');
	if (ref($dirlistref) eq 'ARRAY') {
	foreach my $line (@{$dirlistref}) {
	my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,
	$size,undef,$mtime)=split(/\&/,$line,12);
	unless (($testdir&$dirptr) \|\|
	($file_name =~ /^\.\.?$/)) {
	$currfile{$file_name} = [$size,$mtime];
	}
	}
	}
	}
	}
}	}
foreach my $file (keys(%dependencies)) {	foreach my $file (keys(%dependencies)) {
if ($currfile{$file}) {	if (exists($currfile{$file})) {
unless ($mapping{$file} eq $file) {	unless ($mapping{$file} eq $file) {
$pathchanges{$file} = 1;	$pathchanges{$file} = 1;
}	}
Line 9295 sub ask_for_embedded_content {	Line 9806 sub ask_for_embedded_content {
$newfiles{$file} = 1;	$newfiles{$file} = 1;
}	}
}	}
	foreach my $file (keys(%currfile)) {
	unless (($file eq $filename) \|\|
	($file eq $filename.'.bak') \|\|
	($dependencies{$file})) {
	if ($actionurl eq '/adm/dependencies') {
	unless ($toplevel =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus\E}) {
	next if (($rem ne '') &&
	(($env{"httpref.$rem".$file} ne '') \|\|
	(ref($navmap) &&
	(($navmap->getResourceByUrl($rem.$file) ne '') \|\|
	(($file =~ /^(.*\.s?html?)\.bak$/i) &&
	($navmap->getResourceByUrl($rem.$1)))))));
	}
	}
	$unused{$file} = 1;
	}
	}
	if (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
	($args->{'context'} eq 'paste')) {
	$counter = scalar(keys(%existing));
	$numpathchg = scalar(keys(%pathchanges));
	return ($output,$counter,$numpathchg,\%existing);
	} elsif (($actionurl eq "/public/$cdom/$cnum/syllabus") &&
	(ref($args) eq 'HASH') && ($args->{'context'} eq 'rewrites')) {
	$counter = scalar(keys(%existing));
	$numpathchg = scalar(keys(%pathchanges));
	return ($output,$counter,$numpathchg,\%existing,\%mapping);
	}
foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {	foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
	if ($actionurl eq '/adm/dependencies') {
	next if ($embed_file =~ m{^\w+://});
	}
$upload_output .= &start_data_table_row().	$upload_output .= &start_data_table_row().
'<td><span class="LC_filename">'.$embed_file.'</span>';	'<td valign="top"><img src="'.&icon($embed_file).'" /> '.
	'<span class="LC_filename">'.$embed_file.'</span>';
unless ($mapping{$embed_file} eq $embed_file) {	unless ($mapping{$embed_file} eq $embed_file) {
$upload_output .= '<br /><span class="LC_info" style="font-size:smaller;">'.&mt('changed from: [_1]',$mapping{$embed_file}).'</span>';	$upload_output .= '<br /><span class="LC_info" style="font-size:smaller;">'.
	&mt('changed from: [_1]',$mapping{$embed_file}).'</span>';
}	}
$upload_output .= '</td><td>';	$upload_output .= '</td>';
if ($args->{'ignore_remote_references'}	if ($args->{'ignore_remote_references'} && $embed_file =~ m{^\w+://}) {
&& $embed_file =~ m{^\w+://}) {	$upload_output.='<td align="right">'.
$upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';	'<span class="LC_info LC_fontsize_medium">'.
	&mt("URL points to web address").'</span>';
$numremref++;	$numremref++;
} elsif ($args->{'error_on_invalid_names'}	} elsif ($args->{'error_on_invalid_names'}
&& $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {	&& $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
	$upload_output.='<td align="right"><span class="LC_warning">'.
$upload_output.='<span class="LC_warning">'.&mt('Invalid characters').'</span>';	&mt('Invalid characters').'</span>';
$numinvalid++;	$numinvalid++;
} else {	} else {
$upload_output .= &embedded_file_element('upload_embedded',$num,	$upload_output .= '<td>'.
	&embedded_file_element('upload_embedded',$counter,
$embed_file,\%mapping,	$embed_file,\%mapping,
$allfiles,$codebase);	$allfiles,$codebase,'upload');
$num++;	$counter ++;
	$numnew ++;
}	}
$upload_output .= '</td>'.&Apache::loncommon::end_data_table_row()."\n";	$upload_output .= '</td>'.&Apache::loncommon::end_data_table_row()."\n";
}	}
foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%existing)) {	foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%existing)) {
$upload_output .= &start_data_table_row().	if ($actionurl eq '/adm/dependencies') {
'<td><span class="LC_filename">'.$embed_file.'</span></td>'.	my ($size,$mtime) = &get_dependency_details(\%currfile,\%currsubfile,$embed_file);
'<td><span class="LC_warning">'.&mt('Already exists').'</span></td>'.	$modify_output .= &start_data_table_row().
&Apache::loncommon::end_data_table_row()."\n";	'<td><a href="'.$path.'/'.$embed_file.'" style="text-decoration:none;">'.
	'<img src="'.&icon($embed_file).'" border="0" />'.
	' <span class="LC_filename">'.$embed_file.'</span></a></td>'.
	'<td>'.$size.'</td>'.
	'<td>'.$mtime.'</td>'.
	'<td><label><input type="checkbox" name="mod_upload_dep" '.
	'onclick="toggleBrowse('."'$counter'".')" id="mod_upload_dep_'.
	$counter.'" value="'.$counter.'" />'.&mt('Yes').'</label>'.
	'<div id="moduploaddep_'.$counter.'" style="display:none;">'.
	&embedded_file_element('upload_embedded',$counter,
	$embed_file,\%mapping,
	$allfiles,$codebase,'modify').
	'</div></td>'.
	&end_data_table_row()."\n";
	$counter ++;
	} else {
	$upload_output .= &start_data_table_row().
	'<td valign="top"><img src="'.&icon($embed_file).'" /> '.
	'<span class="LC_filename">'.$embed_file.'</span></td>'.
	'<td align="right"><span class="LC_info LC_fontsize_medium">'.&mt('Already exists').'</span></td>'.
	&Apache::loncommon::end_data_table_row()."\n";
	}
	}
	my $delidx = $counter;
	foreach my $oldfile (sort {lc($a) cmp lc($b)} keys(%unused)) {
	my ($size,$mtime) = &get_dependency_details(\%currfile,\%currsubfile,$oldfile);
	$delete_output .= &start_data_table_row().
	'<td><img src="'.&icon($oldfile).'" />'.
	' <span class="LC_filename">'.$oldfile.'</span></td>'.
	'<td>'.$size.'</td>'.
	'<td>'.$mtime.'</td>'.
	'<td><label><input type="checkbox" name="del_upload_dep" '.
	' value="'.$delidx.'" />'.&mt('Yes').'</label>'.
	&embedded_file_element('upload_embedded',$delidx,
	$oldfile,\%mapping,$allfiles,
	$codebase,'delete').'</td>'.
	&end_data_table_row()."\n";
	$numunused ++;
	$delidx ++;
}	}
if ($upload_output) {	if ($upload_output) {
$upload_output = &start_data_table().	$upload_output = &start_data_table().
$upload_output.	$upload_output.
&end_data_table()."\n";	&end_data_table()."\n";
}	}
	if ($modify_output) {
	$modify_output = &start_data_table().
	&start_data_table_header_row().
	'<th>'.&mt('File').'</th>'.
	'<th>'.&mt('Size (KB)').'</th>'.
	'<th>'.&mt('Modified').'</th>'.
	'<th>'.&mt('Upload replacement?').'</th>'.
	&end_data_table_header_row().
	$modify_output.
	&end_data_table()."\n";
	}
	if ($delete_output) {
	$delete_output = &start_data_table().
	&start_data_table_header_row().
	'<th>'.&mt('File').'</th>'.
	'<th>'.&mt('Size (KB)').'</th>'.
	'<th>'.&mt('Modified').'</th>'.
	'<th>'.&mt('Delete?').'</th>'.
	&end_data_table_header_row().
	$delete_output.
	&end_data_table()."\n";
	}
my $applies = 0;	my $applies = 0;
if ($numremref) {	if ($numremref) {
$applies ++;	$applies ++;
Line 9340 sub ask_for_embedded_content {	Line 9947 sub ask_for_embedded_content {
if ($numexisting) {	if ($numexisting) {
$applies ++;	$applies ++;
}	}
if ($num) {	if ($counter \|\| $numunused) {
$output = '<form name="upload_embedded" action="'.$actionurl.'"'.	$output = '<form name="upload_embedded" action="'.$actionurl.'"'.
' method="post" enctype="multipart/form-data">'."\n".	' method="post" enctype="multipart/form-data">'."\n".
$state.	$state.'<h3>'.$heading.'</h3>';
'<h3>'.&mt('Upload embedded files').	if ($actionurl eq '/adm/dependencies') {
':</h3>'.$upload_output.'<br />'."\n".	if ($numnew) {
'<input type ="hidden" name="number_embedded_items" value="'.	$output .= '<h4>'.&mt('Missing dependencies').'</h4>'.
$num.'" />'."\n";	'<p>'.&mt('The following files need to be uploaded.').'</p>'."\n".
if ($actionurl eq '') {	$upload_output.'<br />'."\n";
	}
	if ($numexisting) {
	$output .= '<h4>'.&mt('Uploaded dependencies (in use)').'</h4>'.
	'<p>'.&mt('Upload a new file to replace the one currently in use.').'</p>'."\n".
	$modify_output.'<br />'."\n";
	$buttontext = &mt('Save changes');
	}
	if ($numunused) {
	$output .= '<h4>'.&mt('Unused files').'</h4>'.
	'<p>'.&mt('The following uploaded files are no longer used.').'</p>'."\n".
	$delete_output.'<br />'."\n";
	$buttontext = &mt('Save changes');
	}
	} else {
	$output .= $upload_output.'<br />'."\n";
	}
	$output .= '<input type ="hidden" name="number_embedded_items" value="'.
	$counter.'" />'."\n";
	if ($actionurl eq '/adm/dependencies') {
	$output .= '<input type ="hidden" name="number_newemb_items" value="'.
	$numnew.'" />'."\n";
	} elsif ($actionurl eq '') {
$output .= '<input type="hidden" name="phase" value="three" />';	$output .= '<input type="hidden" name="phase" value="three" />';
}	}
} elsif ($applies) {	} elsif ($applies) {
$output = '<b>'.&mt('Referenced files').'</b>:<br />';	$output = '<b>'.&mt('Referenced files').'</b>:<br />';
if ($applies > 1) {	if ($applies > 1) {
$output .=	$output .=
&mt('No files need to be uploaded, as one of the following applies to each reference:').'<ul>';	&mt('No dependencies need to be uploaded, as one of the following applies to each reference:').'<ul>';
if ($numremref) {	if ($numremref) {
$output .= '<li>'.&mt('reference is to a URL which points to another server').'</li>'."\n";	$output .= '<li>'.&mt('reference is to a URL which points to another server').'</li>'."\n";
}	}
Line 9376 sub ask_for_embedded_content {	Line 10005 sub ask_for_embedded_content {
$output .= $upload_output.'<br />';	$output .= $upload_output.'<br />';
}	}
my ($pathchange_output,$chgcount);	my ($pathchange_output,$chgcount);
$chgcount = $num;	$chgcount = $counter;
if (keys(%pathchanges) > 0) {	if (keys(%pathchanges) > 0) {
foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%pathchanges)) {	foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%pathchanges)) {
if ($num) {	if ($counter) {
$output .= &embedded_file_element('pathchange',$chgcount,	$output .= &embedded_file_element('pathchange',$chgcount,
$embed_file,\%mapping,	$embed_file,\%mapping,
$allfiles,$codebase);	$allfiles,$codebase,'change');
} else {	} else {
$pathchange_output .=	$pathchange_output .=
&start_data_table_row().	&start_data_table_row().
Line 9391 sub ask_for_embedded_content {	Line 10020 sub ask_for_embedded_content {
'<td>'.$mapping{$embed_file}.'</td>'.	'<td>'.$mapping{$embed_file}.'</td>'.
'<td>'.$embed_file.	'<td>'.$embed_file.
&embedded_file_element('pathchange',$numpathchg,$embed_file,	&embedded_file_element('pathchange',$numpathchg,$embed_file,
\%mapping,$allfiles,$codebase).	\%mapping,$allfiles,$codebase,'change').
'</td>'.&end_data_table_row();	'</td>'.&end_data_table_row();
}	}
$numpathchg ++;	$numpathchg ++;
$chgcount ++;	$chgcount ++;
}	}
}	}
if ($num) {	if (($counter) \|\| ($numunused)) {
if ($numpathchg) {	if ($numpathchg) {
$output .= '<input type ="hidden" name="number_pathchange_items" value="'.	$output .= '<input type ="hidden" name="number_pathchange_items" value="'.
$numpathchg.'" />'."\n";	$numpathchg.'" />'."\n";
Line 9408 sub ask_for_embedded_content {	Line 10037 sub ask_for_embedded_content {
$output .= '<input type="hidden" name="phase" value="three" />'."\n";	$output .= '<input type="hidden" name="phase" value="three" />'."\n";
} elsif ($actionurl eq '/adm/portfolio' \|\| $actionurl eq '/adm/coursegrp_portfolio') {	} elsif ($actionurl eq '/adm/portfolio' \|\| $actionurl eq '/adm/coursegrp_portfolio') {
$output .= '<input type="hidden" name="action" value="upload_embedded" />';	$output .= '<input type="hidden" name="action" value="upload_embedded" />';
	} elsif ($actionurl eq '/adm/dependencies') {
	$output .= '<input type="hidden" name="action" value="process_changes" />';
}	}
$output .= '<input type ="submit" value="'.&mt('Upload Listed Files').'" />'."\n".	$output .= '<input type ="submit" value="'.$buttontext.'" />'."\n".'</form>'."\n";
&mt('(only files for which a location has been provided will be uploaded)').'</form>'."\n";
} elsif ($numpathchg) {	} elsif ($numpathchg) {
my %pathchange = ();	my %pathchange = ();
$output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);	$output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);
if (($actionurl eq '/adm/portfolio') \|\| ($actionurl eq '/adm/coursegrp_portfolio')) {	if (($actionurl eq '/adm/portfolio') \|\| ($actionurl eq '/adm/coursegrp_portfolio')) {
$output .= '<p>'.&mt('or').'</p>';	$output .= '<p>'.&mt('or').'</p>';
}	}
}	}
return ($output,$num,$numpathchg);	return ($output,$counter,$numpathchg);
}	}

sub embedded_file_element {	sub embedded_file_element {
my ($context,$num,$embed_file,$mapping,$allfiles,$codebase) = @_;	my ($context,$num,$embed_file,$mapping,$allfiles,$codebase,$type) = @_;
return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') &&	return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') &&
(ref($codebase) eq 'HASH'));	(ref($codebase) eq 'HASH'));
my $output;	my $output;
if ($context eq 'upload_embedded') {	if (($context eq 'upload_embedded') && ($type ne 'delete')) {
$output = '<input name="embedded_item_'.$num.'" type="file" value="" />'."\n";	$output = '<input name="embedded_item_'.$num.'" type="file" value="" />'."\n";
}	}
$output .= '<input name="embedded_orig_'.$num.'" type="hidden" value="'.	$output .= '<input name="embedded_orig_'.$num.'" type="hidden" value="'.
Line 9453 sub embedded_file_element {	Line 10083 sub embedded_file_element {
return $output;	return $output;
}	}

	sub get_dependency_details {
	my ($currfile,$currsubfile,$embed_file) = @_;
	my ($size,$mtime,$showsize,$showmtime);
	if ((ref($currfile) eq 'HASH') && (ref($currsubfile))) {
	if ($embed_file =~ m{/}) {
	my ($path,$fname) = split(/\//,$embed_file);
	if (ref($currsubfile->{$path}{$fname}) eq 'ARRAY') {
	($size,$mtime) = @{$currsubfile->{$path}{$fname}};
	}
	} else {
	if (ref($currfile->{$embed_file}) eq 'ARRAY') {
	($size,$mtime) = @{$currfile->{$embed_file}};
	}
	}
	$showsize = $size/1024.0;
	$showsize = sprintf("%.1f",$showsize);
	if ($mtime > 0) {
	$showmtime = &Apache::lonlocal::locallocaltime($mtime);
	}
	}
	return ($showsize,$showmtime);
	}

	sub ask_embedded_js {
	return <<"END";
	<script type="text/javascript"">
	// <![CDATA[
	function toggleBrowse(counter) {
	var chkboxid = document.getElementById('mod_upload_dep_'+counter);
	var fileid = document.getElementById('embedded_item_'+counter);
	var uploaddivid = document.getElementById('moduploaddep_'+counter);
	if (chkboxid.checked == true) {
	uploaddivid.style.display='block';
	} else {
	uploaddivid.style.display='none';
	fileid.value = '';
	}
	}
	// ]]>
	</script>

	END
	}

sub upload_embedded {	sub upload_embedded {
my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,	my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
$current_disk_usage,$hiddenstate,$actionurl) = @_;	$current_disk_usage,$hiddenstate,$actionurl) = @_;
Line 9508 sub upload_embedded {	Line 10182 sub upload_embedded {
$output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'<br />';	$output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'<br />';
next;	next;
} elsif ($fname=~/\.(\d+)\.(\w+)$/) {	} elsif ($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).'<br />';	$output .= &mt('Filename not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2).'<br />';
next;	next;
}	}

$env{'form.embedded_item_'.$i.'.filename'}=$fname;	$env{'form.embedded_item_'.$i.'.filename'}=$fname;
	my $subdir = $path;
	$subdir =~ s{/+$}{};
if ($context eq 'portfolio') {	if ($context eq 'portfolio') {
my $result;	my $result;
if ($state eq 'existingfile') {	if ($state eq 'existingfile') {
$result=	$result=
&Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',	&Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',
$dirpath.$env{'form.currentpath'}.$path);	$dirpath.$env{'form.currentpath'}.$subdir);
} else {	} else {
$result=	$result=
&Apache::lonnet::userfileupload('embedded_item_'.$i,'',	&Apache::lonnet::userfileupload('embedded_item_'.$i,'',
$dirpath.	$dirpath.
$env{'form.currentpath'}.$path);	$env{'form.currentpath'}.$subdir);
if ($result !~ m\|^/uploaded/\|) {	if ($result !~ m\|^/uploaded/\|) {
$output .= '<span class="LC_error">'	$output .= '<span class="LC_error">'
.&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'	.&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
Line 9535 sub upload_embedded {	Line 10210 sub upload_embedded {
$path.$fname.'</span>').'<br />';	$path.$fname.'</span>').'<br />';
}	}
}	}
} elsif ($context eq 'coursedoc') {	} elsif (($context eq 'coursedoc') \|\| ($context eq 'syllabus')) {
	my $extendedsubdir = $dirpath.'/'.$subdir;
	$extendedsubdir =~ s{/+$}{};
my $result =	my $result =
&Apache::lonnet::userfileupload('embedded_item_'.$i,'coursedoc',	&Apache::lonnet::userfileupload('embedded_item_'.$i,$context,$extendedsubdir);
$dirpath.'/'.$path);
if ($result !~ m\|^/uploaded/\|) {	if ($result !~ m\|^/uploaded/\|) {
$output .= '<span class="LC_error">'	$output .= '<span class="LC_error">'
.&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'	.&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
Line 9548 sub upload_embedded {	Line 10224 sub upload_embedded {
} else {	} else {
$output .= &mt('Uploaded [_1]','<span class="LC_filename">'.	$output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
$path.$fname.'</span>').'<br />';	$path.$fname.'</span>').'<br />';
	if ($context eq 'syllabus') {
	&Apache::lonnet::make_public_indefinitely($result);
	}
}	}
} else {	} else {
# Save the file	# Save the file
Line 9568 sub upload_embedded {	Line 10247 sub upload_embedded {
if (!open($fh,'>'.$dest)) {	if (!open($fh,'>'.$dest)) {
&Apache::lonnet::logthis('Failed to create '.$dest);	&Apache::lonnet::logthis('Failed to create '.$dest);
$output .= '<span class="LC_error">'.	$output .= '<span class="LC_error">'.
&mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).	&mt('An error occurred while trying to upload [_1] for embedded element [_2].',
	$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
'</span><br />';	'</span><br />';
} else {	} else {
if (!print $fh $env{'form.embedded_item_'.$i}) {	if (!print $fh $env{'form.embedded_item_'.$i}) {
&Apache::lonnet::logthis('Failed to write to '.$dest);	&Apache::lonnet::logthis('Failed to write to '.$dest);
$output .= '<span class="LC_error">'.	$output .= '<span class="LC_error">'.
&mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).	&mt('An error occurred while writing the file [_1] for embedded element [_2].',
	$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
'</span><br />';	'</span><br />';
} else {	} else {
$output .= &mt('Uploaded [_1]','<span class="LC_filename">'.	$output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
Line 9596 sub upload_embedded {	Line 10277 sub upload_embedded {
}	}
$output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange);	$output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange);
$returnflag = 'ok';	$returnflag = 'ok';
if (keys(%pathchange) > 0) {	my $numpathchgs = scalar(keys(%pathchange));
	if ($numpathchgs > 0) {
if ($context eq 'portfolio') {	if ($context eq 'portfolio') {
$output .= '<p>'.&mt('or').'</p>';	$output .= '<p>'.&mt('or').'</p>';
} elsif ($context eq 'testbank') {	} elsif ($context eq 'testbank') {
$output .= '<p>'.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).','<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';	$output .= '<p>'.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).',
	'<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
$returnflag = 'modify_orightml';	$returnflag = 'modify_orightml';
}	}
}	}
return ($output.$footer,$returnflag);	return ($output.$footer,$returnflag,$numpathchgs);
}	}

sub modify_html_form {	sub modify_html_form {
Line 9639 sub modify_html_form {	Line 10322 sub modify_html_form {
'<input type="hidden" name="embedded_orig_'.$i.'" value="'.	'<input type="hidden" name="embedded_orig_'.$i.'" value="'.
&escape($env{'form.embedded_orig_'.$i}).'" /></td>'.	&escape($env{'form.embedded_orig_'.$i}).'" /></td>'.
&end_data_table_row();	&end_data_table_row();
}	}
}	}
} else {	} else {
$modifyform = $pathchgtable;	$modifyform = $pathchgtable;
Line 9650 sub modify_html_form {	Line 10333 sub modify_html_form {
}	}
}	}
if ($modifyform) {	if ($modifyform) {
	if ($actionurl eq '/adm/dependencies') {
	$hiddenstate .= '<input type="hidden" name="action" value="modifyhrefs" />';
	}
return '<h3>'.&mt('Changes in content of HTML file required').'</h3>'."\n".	return '<h3>'.&mt('Changes in content of HTML file required').'</h3>'."\n".
'<p>'.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'<ol>'."\n".	'<p>'.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'<ol>'."\n".
'<li>'.&mt('For consistency between the reference(s) and the location of the corresponding stored file within LON-CAPA.').'</li>'."\n".	'<li>'.&mt('For consistency between the reference(s) and the location of the corresponding stored file within LON-CAPA.').'</li>'."\n".
Line 9672 sub modify_html_form {	Line 10358 sub modify_html_form {
}	}

sub modify_html_refs {	sub modify_html_refs {
my ($context,$dirpath,$uname,$udom,$dir_root) = @_;	my ($context,$dirpath,$uname,$udom,$dir_root,$url) = @_;
my $container;	my $container;
if ($context eq 'portfolio') {	if ($context eq 'portfolio') {
$container = $env{'form.container'};	$container = $env{'form.container'};
} elsif ($context eq 'coursedoc') {	} elsif ($context eq 'coursedoc') {
$container = $env{'form.primaryurl'};	$container = $env{'form.primaryurl'};
	} elsif ($context eq 'manage_dependencies') {
	(undef,undef,$container) = &Apache::lonnet::decode_symb($env{'form.symb'});
	$container = "/$container";
	} elsif ($context eq 'syllabus') {
	$container = $url;
} else {	} else {
$container = $Apache::lonnet::perlvar{'lonDocRoot'}.$env{'form.filename'};	$container = $Apache::lonnet::perlvar{'lonDocRoot'}.$env{'form.filename'};
}	}
my (%allfiles,%codebase,$output,$content);	my (%allfiles,%codebase,$output,$content);
my @changes = &get_env_multiple('form.namechange');	my @changes = &get_env_multiple('form.namechange');
return unless (@changes > 0);	unless ((@changes > 0) \|\| ($context eq 'syllabus')) {
if (($context eq 'portfolio') \|\| ($context eq 'coursedoc')) {	if (wantarray) {
return unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/});	return ('',0,0);
	} else {
	return;
	}
	}
	if (($context eq 'portfolio') \|\| ($context eq 'coursedoc') \|\|
	($context eq 'manage_dependencies') \|\| ($context eq 'syllabus')) {
	unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/}) {
	if (wantarray) {
	return ('',0,0);
	} else {
	return;
	}
	}
$content = &Apache::lonnet::getfile($container);	$content = &Apache::lonnet::getfile($container);
return if ($content eq '-1');	if ($content eq '-1') {
	if (wantarray) {
	return ('',0,0);
	} else {
	return;
	}
	}
} else {	} else {
return unless ($container =~ /^\Q$dir_root\E/);	unless ($container =~ /^\Q$dir_root\E/) {
	if (wantarray) {
	return ('',0,0);
	} else {
	return;
	}
	}
if (open(my $fh,"<$container")) {	if (open(my $fh,"<$container")) {
$content = join('', <$fh>);	$content = join('', <$fh>);
close($fh);	close($fh);
} else {	} else {
return;	if (wantarray) {
	return ('',0,0);
	} else {
	return;
	}
}	}
}	}
my ($count,$codebasecount) = (0,0);	my ($count,$codebasecount) = (0,0);
Line 9718 sub modify_html_refs {	Line 10438 sub modify_html_refs {
if ($content =~ m{($attrib_regexp\s=\s['"]?)\Q$ref\E(['"]?)}) {	if ($content =~ m{($attrib_regexp\s=\s['"]?)\Q$ref\E(['"]?)}) {
my $numchg = ($content =~ s{($attrib_regexp\s=\s['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);	my $numchg = ($content =~ s{($attrib_regexp\s=\s['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
$count += $numchg;	$count += $numchg;
	$allfiles{$newname} = $allfiles{$ref};
}	}
if ($env{'form.embedded_codebase_'.$i} ne '') {	if ($env{'form.embedded_codebase_'.$i} ne '') {
$codebase = &unescape($env{'form.embedded_codebase_'.$i});	$codebase = &unescape($env{'form.embedded_codebase_'.$i});
Line 9726 sub modify_html_refs {	Line 10447 sub modify_html_refs {
}	}
}	}
}	}
	my $skiprewrites;
if ($count \|\| $codebasecount) {	if ($count \|\| $codebasecount) {
my $saveresult;	my $saveresult;
if ($context eq 'portfolio' \|\| $context eq 'coursedoc') {	if (($context eq 'portfolio') \|\| ($context eq 'coursedoc') \|\|
	($context eq 'manage_dependencies') \|\| ($context eq 'syllabus')) {
my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);	my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
if ($url eq $container) {	if ($url eq $container) {
my ($fname) = ($container =~ m{/([^/]+)$});	my ($fname) = ($container =~ m{/([^/]+)$});
$output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',	$output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
$count,'<span class="LC_filename">'.	$count,'<span class="LC_filename">'.
$fname.'</span>').'</p>';	$fname.'</span>').'</p>';
} else {	} else {
$output = '<p class="LC_error">'.	$output = '<p class="LC_error">'.
&mt('Error: update failed for: [_1].',	&mt('Error: update failed for: [_1].',
'<span class="LC_filename">'.	'<span class="LC_filename">'.
$container.'</span>').'</p>';	$container.'</span>').'</p>';
}	}
	if ($context eq 'syllabus') {
	unless ($saveresult eq 'ok') {
	$skiprewrites = 1;
	}
	}
} else {	} else {
if (open(my $fh,">$container")) {	if (open(my $fh,">$container")) {
print $fh $content;	print $fh $content;
Line 9756 sub modify_html_refs {	Line 10484 sub modify_html_refs {
}	}
}	}
}	}
	if (($context eq 'syllabus') && (!$skiprewrites)) {
	my ($actionurl,$state);
	$actionurl = "/public/$udom/$uname/syllabus";
	my ($ignore,$num,$numpathchanges,$existing,$mapping) =
	&ask_for_embedded_content($actionurl,$state,\%allfiles,
	\%codebase,
	{'context' => 'rewrites',
	'ignore_remote_references' => 1,});
	if (ref($mapping) eq 'HASH') {
	my $rewrites = 0;
	foreach my $key (keys(%{$mapping})) {
	next if ($key =~ m{^https?://});
	my $ref = $mapping->{$key};
	my $newname = "/uploaded/$udom/$uname/portfolio/syllabus/$key";
	my $attrib;
	if (ref($allfiles{$mapping->{$key}}) eq 'ARRAY') {
	$attrib = join('\|',@{$allfiles{$mapping->{$key}}});
	}
	if ($content =~ m{($attrib\s=\s['"]?)\Q$ref\E(['"]?)}) {
	my $numchg = ($content =~ s{($attrib\s=\s['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
	$rewrites += $numchg;
	}
	}
	if ($rewrites) {
	my $saveresult;
	my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
	if ($url eq $container) {
	my ($fname) = ($container =~ m{/([^/]+)$});
	$output .= '<p>'.&mt('Rewrote [quant,_1,link] as [quant,_1,absolute link] in [_2].',
	$count,'<span class="LC_filename">'.
	$fname.'</span>').'</p>';
	} else {
	$output .= '<p class="LC_error">'.
	&mt('Error: could not update links in [_1].',
	'<span class="LC_filename">'.
	$container.'</span>').'</p>';

	}
	}
	}
	}
} else {	} else {
&logthis('Failed to parse '.$container.	&logthis('Failed to parse '.$container.
' to modify references: '.$parse_result);	' to modify references: '.$parse_result);
}	}
}	}
return $output;	if (wantarray) {
	return ($output,$count,$codebasecount);
	} else {
	return $output;
	}
}	}

sub check_for_existing {	sub check_for_existing {
Line 9931 sub decompress_form {	Line 10704 sub decompress_form {
my ($mimetype,$archiveurl,$action,$noextract,$hiddenelements,$dirlist) = @_;	my ($mimetype,$archiveurl,$action,$noextract,$hiddenelements,$dirlist) = @_;
my %lt = &Apache::lonlocal::texthash (	my %lt = &Apache::lonlocal::texthash (
this => 'This file is an archive file.',	this => 'This file is an archive file.',
	camt => 'This file is a Camtasia archive file.',
itsc => 'Its contents are as follows:',	itsc => 'Its contents are as follows:',
youm => 'You may wish to extract its contents.',	youm => 'You may wish to extract its contents.',
camt => 'Extraction of contents is recommended for Camtasia zip files.',
extr => 'Extract contents',	extr => 'Extract contents',
	auto => 'LON-CAPA can process the files automatically, or you can decide how each should be handled.',
	proa => 'Process automatically?',
yes => 'Yes',	yes => 'Yes',
no => 'No',	no => 'No',
	fold => 'Title for folder containing movie',
	movi => 'Title for page containing embedded movie',
);	);
my $output = '<p>'.$lt{'this'};
my $fileloc = &Apache::lonnet::filelocation(undef,$archiveurl);	my $fileloc = &Apache::lonnet::filelocation(undef,$archiveurl);
my (%toplevel,@paths);	my ($is_camtasia,$topdir,%toplevel,@paths);
my $info = &list_archive_contents($fileloc,\@paths);	my $info = &list_archive_contents($fileloc,\@paths);
if (@paths) {	if (@paths) {
foreach my $path (@paths) {	foreach my $path (@paths) {
$path =~ s{^/}{};	$path =~ s{^/}{};
	if ($path =~ m{^([^/]+)/$}) {
	$topdir = $1;
	}
if ($path =~ m{^([^/]+)/}) {	if ($path =~ m{^([^/]+)/}) {
$toplevel{$1} = $path;	$toplevel{$1} = $path;
} else {	} else {
Line 9952 sub decompress_form {	Line 10731 sub decompress_form {
}	}
}	}
}	}
if ($info eq '') {	if ($mimetype =~ m{^application/(x\-)?(compressed\|zip)}) {
$output .= ' '.$lt{'youm'}.'</p>'."\n";	my @camtasia = ("$topdir/","$topdir/index.html",
	"$topdir/media/",
	"$topdir/media/$topdir.mp4",
	"$topdir/media/FirstFrame.png",
	"$topdir/media/player.swf",
	"$topdir/media/swfobject.js",
	"$topdir/media/expressInstall.swf");
	my @diffs = &compare_arrays(\@paths,\@camtasia);
	if (@diffs == 0) {
	$is_camtasia = 1;
	}
	}
	my $output;
	if ($is_camtasia) {
	$output = <<"ENDCAM";
	<script type="text/javascript" language="Javascript">
	// <![CDATA[

	function camtasiaToggle() {
	for (var i=0; i<document.uploaded_decompress.autoextract_camtasia.length; i++) {
	if (document.uploaded_decompress.autoextract_camtasia[i].checked) {
	if (document.uploaded_decompress.autoextract_camtasia[i].value == 1) {

	document.getElementById('camtasia_titles').style.display='block';
	} else {
	document.getElementById('camtasia_titles').style.display='none';
	}
	}
	}
	return;
	}

	// ]]>
	</script>
	<p>$lt{'camt'}</p>
	ENDCAM
} else {	} else {
$output .= ' '.$lt{'itsc'}.'</p>'."\n".	$output = '<p>'.$lt{'this'};
'<div><pre>'.$info.'</pre></div>';	if ($info eq '') {
	$output .= ' '.$lt{'youm'}.'</p>'."\n";
	} else {
	$output .= ' '.$lt{'itsc'}.'</p>'."\n".
	'<div><pre>'.$info.'</pre></div>';
	}
}	}
	$output .= '<form name="uploaded_decompress" action="'.$action.'" method="post">'."\n";
my $duplicates;	my $duplicates;
my $num = 0;	my $num = 0;
if (ref($dirlist) eq 'ARRAY') {	if (ref($dirlist) eq 'ARRAY') {
Line 9993 sub decompress_form {	Line 10813 sub decompress_form {
} else {	} else {
$itemcount = 1;	$itemcount = 1;
}	}
	if ($is_camtasia) {
	$output .= $lt{'auto'}.'<br />'.
	'<span class="LC_nobreak">'.$lt{'proa'}.'<label>'.
	'<input type="radio" name="autoextract_camtasia" value="1" onclick="javascript:camtasiaToggle();" checked="checked" />'.
	$lt{'yes'}.'</label> <label>'.
	'<input type="radio" name="autoextract_camtasia" value="0" onclick="javascript:camtasiaToggle();" />'.
	$lt{'no'}.'</label></span><br />'.
	'<div id="camtasia_titles" style="display:block">'.
	&Apache::lonhtmlcommon::start_pick_box().
	&Apache::lonhtmlcommon::row_title($lt{'fold'}).
	'<input type="textbox" name="camtasia_foldername" value="'.$env{'form.comment'}.'" />'."\n".
	&Apache::lonhtmlcommon::row_closure().
	&Apache::lonhtmlcommon::row_title($lt{'movi'}).
	'<input type="textbox" name="camtasia_moviename" value="" />'."\n".
	&Apache::lonhtmlcommon::row_closure(1).
	&Apache::lonhtmlcommon::end_pick_box().
	'</div>';
	}
$output .=	$output .=
'<input type="hidden" name="archive_overwrite_total" value="'.$num.'" />'.	'<input type="hidden" name="archive_overwrite_total" value="'.$num.'" />'.
'<input type="hidden" name="archive_itemcount" value="'.$itemcount.'" />'."\n";	'<input type="hidden" name="archive_itemcount" value="'.$itemcount.'" />'.
	"\n";
if ($duplicates ne '') {	if ($duplicates ne '') {
$output .= '<p><span class="LC_warning">'.	$output .= '<p><span class="LC_warning">'.
&mt('Warning: decompression of the archive will overwrite the following items which already exist:').'</span><br />'.	&mt('Warning: decompression of the archive will overwrite the following items which already exist:').'</span><br />'.
Line 10011 sub decompress_form {	Line 10850 sub decompress_form {
&end_data_table().	&end_data_table().
'</p>';	'</p>';
}	}
if ($mimetype =~ m{^application/(x\-)?(compressed\|zip)}) {	$output .= '<input type="hidden" name="archiveurl" value="'.$archiveurl.'" />'."\n";
$output .= '<p>'.$lt{'camt'}.'</p>';
}
$output .= <<"START";
<div id="uploadfileresult">
<form name="uploaded_decompress" action="$action" method="post">
<input type="hidden" name="archiveurl" value="$archiveurl" />
START
if (ref($hiddenelements) eq 'HASH') {	if (ref($hiddenelements) eq 'HASH') {
foreach my $hidden (sort(keys(%{$hiddenelements}))) {	foreach my $hidden (sort(keys(%{$hiddenelements}))) {
$output .= '<input type="hidden" name="'.$hidden.'" value="'.$hiddenelements->{$hidden}.'" />'."\n";	$output .= '<input type="hidden" name="'.$hidden.'" value="'.$hiddenelements->{$hidden}.'" />'."\n";
}	}
}	}
$output .= <<"END";	$output .= <<"END";
	<br />
<input type="submit" name="decompress" value="$lt{'extr'}" />	<input type="submit" name="decompress" value="$lt{'extr'}" />
</form>	</form>
$noextract	$noextract
</div>
END	END
return $output;	return $output;
}	}
Line 10108 sub process_decompression {	Line 10940 sub process_decompression {
my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;	my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;
my ($dir,$error,$warning,$output);	my ($dir,$error,$warning,$output);
if ($file !~ /\.(zip\|tar\|bz2\|gz\|tar.gz\|tar.bz2\|tgz)$/) {	if ($file !~ /\.(zip\|tar\|bz2\|gz\|tar.gz\|tar.bz2\|tgz)$/) {
$error = &mt('File name not a supported archive file type.').	$error = &mt('Filename not a supported archive file type.').
'<br />'.&mt('File name should end with one of: [_1].',	'<br />'.&mt('Filename should end with one of: [_1].',
'.zip, .tar, .bz2, .gz, .tar.gz, .tar.bz2, .tgz');	'.zip, .tar, .bz2, .gz, .tar.gz, .tar.bz2, .tgz');
} else {	} else {
my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);	my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
Line 10199 sub process_decompression {	Line 11031 sub process_decompression {
}	}
}	}
if (@contents > 0) {	if (@contents > 0) {
	my $wantform;
	unless ($env{'form.autoextract_camtasia'}) {
	$wantform = 1;
	}
my (%children,%parent,%dirorder,%titles);	my (%children,%parent,%dirorder,%titles);
my $wantform = 1;
my ($count,$datatable) = &get_extracted($docudom,$docuname,	my ($count,$datatable) = &get_extracted($docudom,$docuname,
$currdir,\%is_dir,	$currdir,\%is_dir,
\%children,\%parent,	\%children,\%parent,
Line 10213 sub process_decompression {	Line 11048 sub process_decompression {
$output .= &archive_javascript($startcount,$count,	$output .= &archive_javascript($startcount,$count,
\%titles,\%children);	\%titles,\%children);
}	}
	if ($env{'form.autoextract_camtasia'}) {
	my %displayed;
	my $total = 1;
	$env{'form.archive_directory'} = [];
	foreach my $i (sort { $a <=> $b } keys(%dirorder)) {
	my $path = join('/',map { $titles{$_}; } @{$dirorder{$i}});
	$path =~ s{/$}{};
	my $item;
	if ($path ne '') {
	$item = "$path/$titles{$i}";
	} else {
	$item = $titles{$i};
	}
	$env{'form.archive_content_'.$i} = "$dir_root/$destination/$item";
	if ($item eq $contents[0]) {
	push(@{$env{'form.archive_directory'}},$i);
	$env{'form.archive_'.$i} = 'display';
	$env{'form.archive_title_'.$i} = $env{'form.camtasia_foldername'};
	$displayed{'folder'} = $i;
	} elsif ($item eq "$contents[0]/index.html") {
	$env{'form.archive_'.$i} = 'display';
	$env{'form.archive_title_'.$i} = $env{'form.camtasia_moviename'};
	$displayed{'web'} = $i;
	} else {
	if ($item eq "$contents[0]/media") {
	push(@{$env{'form.archive_directory'}},$i);
	}
	$env{'form.archive_'.$i} = 'dependency';
	}
	$total ++;
	}
	for (my $i=1; $i<$total; $i++) {
	next if ($i == $displayed{'web'});
	next if ($i == $displayed{'folder'});
	$env{'form.archive_dependent_on_'.$i} = $displayed{'web'};
	}
	$env{'form.phase'} = 'decompress_cleanup';
	$env{'form.archivedelete'} = 1;
	$env{'form.archive_count'} = $total-1;
	$output .=
	&process_extracted_files('coursedocs',$docudom,
	$docuname,$destination,
	$dir_root,$hiddenelem);
	}
} else {	} else {
$warning = &mt('No new items extracted from archive file.');	$warning = &mt('No new items extracted from archive file.');
}	}
Line 10520 function dependencyCheck(form,count,offs	Line 11399 function dependencyCheck(form,count,offs
document.getElementById('arc_depon_'+count).style.display='block';	document.getElementById('arc_depon_'+count).style.display='block';
form.elements[depitem].options.length = 0;	form.elements[depitem].options.length = 0;
form.elements[depitem].options[0] = new Option('Select','',true,true);	form.elements[depitem].options[0] = new Option('Select','',true,true);
for (var i=1; i<count; i++) {	for (var i=1; i<=numitems; i++) {
	if (i == count) {
	continue;
	}
var startelement = $startcount + (i-1) * 7;	var startelement = $startcount + (i-1) * 7;
for (var j=1; j<6; j++) {	for (var j=1; j<6; j++) {
if ((j != 2) && (j!= 4)) {	if ((j != 2) && (j!= 4)) {
Line 10611 END	Line 11493 END
}	}

sub process_extracted_files {	sub process_extracted_files {
my ($context,$docudom,$docuname,$url,$destination,$dir_root,$hiddenelem) = @_;	my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;
my $numitems = $env{'form.archive_count'};	my $numitems = $env{'form.archive_count'};
return unless ($numitems);	return unless ($numitems);
my @ids=&Apache::lonnet::current_machine_ids();	my @ids=&Apache::lonnet::current_machine_ids();
my ($prefix,$pathtocheck,$dir,$ishome,$error,$warning,%toplevelitems,%is_dir,	my ($prefix,$pathtocheck,$dir,$ishome,$error,$warning,%toplevelitems,%is_dir,
%folders,%containers,%mapinner);	%folders,%containers,%mapinner,%prompttofetch);
my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);	my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
if (grep(/^\Q$docuhome\E$/,@ids)) {	if (grep(/^\Q$docuhome\E$/,@ids)) {
$prefix = &LONCAPA::propath($docudom,$docuname);	$prefix = &LONCAPA::propath($docudom,$docuname);
Line 10633 sub process_extracted_files {	Line 11515 sub process_extracted_files {
if ($env{'form.folderpath'}) {	if ($env{'form.folderpath'}) {
my @items = split('&',$env{'form.folderpath'});	my @items = split('&',$env{'form.folderpath'});
$folders{'0'} = $items[-2];	$folders{'0'} = $items[-2];
$containers{'0'}='sequence';	if ($env{'form.folderpath'} =~ /\:1$/) {
} elsif ($env{'form.pagepath'}) {	$containers{'0'}='page';
my @items = split('&',$env{'form.pagepath'});	} else {
$folders{'0'} = $items[-2];	$containers{'0'}='sequence';
$containers{'0'}='page';	}
}	}
my @archdirs = &get_env_multiple('form.archive_directory');	my @archdirs = &get_env_multiple('form.archive_directory');
if ($numitems) {	if ($numitems) {
Line 10652 sub process_extracted_files {	Line 11534 sub process_extracted_files {
}	}
}	}
}	}
my ($output,%children,%parent,%titles,%dirorder);	my ($output,%children,%parent,%titles,%dirorder,$result);
if (keys(%toplevelitems) > 0) {	if (keys(%toplevelitems) > 0) {
my @contents = sort(keys(%toplevelitems));	my @contents = sort(keys(%toplevelitems));
(my $count,undef) = &get_extracted($docudom,$docuname,$currdir,\%is_dir,\%children,	(my $count,undef) = &get_extracted($docudom,$docuname,$currdir,\%is_dir,\%children,
\%parent,\@contents,\%dirorder,\%titles);	\%parent,\@contents,\%dirorder,\%titles);
}	}
my (%referrer,%orphaned,%todelete,%newdest,%newseqid);	my (%referrer,%orphaned,%todelete,%todeletedir,%newdest,%newseqid);
if ($numitems) {	if ($numitems) {
for (my $i=1; $i<=$numitems; $i++) {	for (my $i=1; $i<=$numitems; $i++) {
	next if ($env{'form.archive_'.$i} eq 'dependency');
my $path = $env{'form.archive_content_'.$i};	my $path = $env{'form.archive_content_'.$i};
if ($path =~ /^\Q$pathtocheck\E/) {	if ($path =~ /^\Q$pathtocheck\E/) {
if ($env{'form.archive_'.$i} eq 'discard') {	if ($env{'form.archive_'.$i} eq 'discard') {
if ($prefix ne '' && $path ne '') {	if ($prefix ne '' && $path ne '') {
if (-e $prefix.$path) {	if (-e $prefix.$path) {
$todelete{$prefix.$path} = 1;	if ((@archdirs > 0) &&
	(grep(/^\Q$i\E$/,@archdirs))) {
	$todeletedir{$prefix.$path} = 1;
	} else {
	$todelete{$prefix.$path} = 1;
	}
}	}
}	}
} elsif ($env{'form.archive_'.$i} eq 'display') {	} elsif ($env{'form.archive_'.$i} eq 'display') {
Line 10706 sub process_extracted_files {	Line 11594 sub process_extracted_files {
my ($outtext,$errtext) =	my ($outtext,$errtext) =
&LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.	&LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
$docuname.'/'.$folders{$outer}.	$docuname.'/'.$folders{$outer}.
'.'.$containers{$outer},1);	'.'.$containers{$outer},1,1);
$newseqid{$i} = $newidx;	$newseqid{$i} = $newidx;
	unless ($errtext) {
	$result .= '<li>'.&mt('Folder: [_1] added to course',$docstitle).'</li>'."\n";
	}
}	}
} else {	} else {
if ($context eq 'coursedocs') {	if ($context eq 'coursedocs') {
Line 10724 sub process_extracted_files {	Line 11615 sub process_extracted_files {
if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {	if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
system("mv $prefix$path $prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title");	system("mv $prefix$path $prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title");
$newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";	$newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";
	unless ($ishome) {
	my $fetch = "$newdest{$i}/$title";
	$fetch =~ s/^\Q$prefix$dir\E//;
	$prompttofetch{$fetch} = 1;
	}
}	}
$LONCAPA::map::resources[$newidx]=	$LONCAPA::map::resources[$newidx]=
$docstitle.':'.$url.':false:normal:res';	$docstitle.':'.$url.':false:normal:res';
Line 10731 sub process_extracted_files {	Line 11627 sub process_extracted_files {
my ($outtext,$errtext)=	my ($outtext,$errtext)=
&LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.	&LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
$docuname.'/'.$folders{$outer}.	$docuname.'/'.$folders{$outer}.
'.'.$containers{$outer},1);	'.'.$containers{$outer},1,1);
	unless ($errtext) {
	if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {
	$result .= '<li>'.&mt('File: [_1] added to course',$docstitle).'</li>'."\n";
	}
	}
}	}
}	}
} elsif ($env{'form.archive_'.$i} eq 'dependency') {	}
my ($title) = ($path =~ m{/([^/]+)$});	} else {
$referrer{$i} = $env{'form.archive_dependent_on_'.$i};	$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
if ($env{'form.archive_'.$referrer{$i}} eq 'display') {	}
if (ref($dirorder{$i}) eq 'ARRAY') {	}
my ($itemidx,$fullpath);	for (my $i=1; $i<=$numitems; $i++) {
	next unless ($env{'form.archive_'.$i} eq 'dependency');
	my $path = $env{'form.archive_content_'.$i};
	if ($path =~ /^\Q$pathtocheck\E/) {
	my ($title) = ($path =~ m{/([^/]+)$});
	$referrer{$i} = $env{'form.archive_dependent_on_'.$i};
	if ($env{'form.archive_'.$referrer{$i}} eq 'display') {
	if (ref($dirorder{$i}) eq 'ARRAY') {
	my ($itemidx,$fullpath,$relpath);
	if (ref($dirorder{$referrer{$i}}) eq 'ARRAY') {
	my $container = $dirorder{$referrer{$i}}->[-1];
for (my $j=0; $j<@{$dirorder{$i}}; $j++) {	for (my $j=0; $j<@{$dirorder{$i}}; $j++) {
if (ref($dirorder{$referrer{$i}}) eq 'ARRAY') {	if ($dirorder{$i}->[$j] eq $container) {
my $container = $dirorder{$referrer{$i}}->[-1];	$itemidx = $j;
for (my $j=0; $j<@{$dirorder{$i}}; $j++) {
if ($dirorder{$i}->[$j] eq $container) {
$itemidx = $j;
}
}
}	}
}	}
if ($itemidx ne '') {	}
if (grep(/^\Q$referrer{$i}\E$/,@archdirs)) {	if ($itemidx eq '') {
if ($mapinner{$referrer{$i}}) {	$itemidx = 0;
$fullpath = "$prefix$dir/$docstype/$mapinner{$referrer{$i}}";	}
for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {	if (grep(/^\Q$referrer{$i}\E$/,@archdirs)) {
if (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {	if ($mapinner{$referrer{$i}}) {
unless (defined($newseqid{$dirorder{$i}->[$j]})) {	$fullpath = "$prefix$dir/$docstype/$mapinner{$referrer{$i}}";
$fullpath .= '/'.$titles{$dirorder{$i}->[$j]};	for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
if (!-e $fullpath) {	if (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
mkdir($fullpath,0755);	unless (defined($newseqid{$dirorder{$i}->[$j]})) {
}	$fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
}	$relpath .= '/'.$titles{$dirorder{$i}->[$j]};
} else {	if (!-e $fullpath) {
last;	mkdir($fullpath,0755);
}	}
}	}
	} else {
	last;
}	}
} elsif ($newdest{$referrer{$i}}) {	}
$fullpath = $newdest{$referrer{$i}};	}
for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {	} elsif ($newdest{$referrer{$i}}) {
if ($env{'form.archive_'.$dirorder{$i}->[$j]} eq 'discard') {	$fullpath = $newdest{$referrer{$i}};
$orphaned{$i} = $env{'form.archive_'.$dirorder{$i}->[$j]};	for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
last;	if ($env{'form.archive_'.$dirorder{$i}->[$j]} eq 'discard') {
} elsif (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {	$orphaned{$i} = $env{'form.archive_'.$dirorder{$i}->[$j]};
unless (defined($newseqid{$dirorder{$i}->[$j]})) {	last;
$fullpath .= '/'.$titles{$dirorder{$i}->[$j]};	} elsif (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
if (!-e $fullpath) {	unless (defined($newseqid{$dirorder{$i}->[$j]})) {
mkdir($fullpath,0755);	$fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
}	$relpath .= '/'.$titles{$dirorder{$i}->[$j]};
}	if (!-e $fullpath) {
} else {	mkdir($fullpath,0755);
last;
}	}
}	}
}	} else {
if ($fullpath ne '') {	last;
system("mv $prefix$path $fullpath/$title");
}	}
}	}
}	}
} elsif ($env{'form.archive_'.$referrer{$i}} eq 'discard') {	if ($fullpath ne '') {
$warning .= &mt('[_1] is a dependency of [_2], which was discarded.',	if (-e "$prefix$path") {
$path,$env{'form.archive_content_'.$referrer{$i}}).'<br />';	system("mv $prefix$path $fullpath/$title");
	}
	if (-e "$fullpath/$title") {
	my $showpath;
	if ($relpath ne '') {
	$showpath = "$relpath/$title";
	} else {
	$showpath = "/$title";
	}
	$result .= '<li>'.&mt('[_1] included as a dependency',$showpath).'</li>'."\n";
	}
	unless ($ishome) {
	my $fetch = "$fullpath/$title";
	$fetch =~ s/^\Q$prefix$dir\E//;
	$prompttofetch{$fetch} = 1;
	}
	}
}	}
	} elsif ($env{'form.archive_'.$referrer{$i}} eq 'discard') {
	$warning .= &mt('[_1] is a dependency of [_2], which was discarded.',
	$path,$env{'form.archive_content_'.$referrer{$i}}).'<br />';
}	}
} else {	} else {
$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';	$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
Line 10802 sub process_extracted_files {	Line 11727 sub process_extracted_files {
if (keys(%todelete)) {	if (keys(%todelete)) {
foreach my $key (keys(%todelete)) {	foreach my $key (keys(%todelete)) {
unlink($key);	unlink($key);
unless ($ishome) {	}
#FIXME Need to notify homeserver to delete files.	}
}	if (keys(%todeletedir)) {
	foreach my $key (keys(%todeletedir)) {
	rmdir($key);
	}
	}
	foreach my $dir (sort(keys(%is_dir))) {
	if (($pathtocheck ne '') && ($dir ne '')) {
	&cleanup_empty_dirs($prefix."$pathtocheck/$dir");
	}
	}
	if ($result ne '') {
	$output .= '<ul>'."\n".
	$result."\n".
	'</ul>';
	}
	unless ($ishome) {
	my $replicationfail;
	foreach my $item (keys(%prompttofetch)) {
	my $fetchresult= &Apache::lonnet::reply('fetchuserfile:'.$item,$docuhome);
	unless ($fetchresult eq 'ok') {
	$replicationfail .= '<li>'.$item.'</li>'."\n";
	}
	}
	if ($replicationfail) {
	$output .= '<p class="LC_error">'.
	&mt('Course home server failed to retrieve:').'<ul>'.
	$replicationfail.
	'</ul></p>';
}	}
}	}
} else {	} else {
Line 10820 sub process_extracted_files {	Line 11772 sub process_extracted_files {
return $output;	return $output;
}	}

	sub cleanup_empty_dirs {
	my ($path) = @_;
	if (($path ne '') && (-d $path)) {
	if (opendir(my $dirh,$path)) {
	my @dircontents = grep(!/^\./,readdir($dirh));
	my $numitems = 0;
	foreach my $item (@dircontents) {
	if (-d "$path/$item") {
	&cleanup_empty_dirs("$path/$item");
	if (-e "$path/$item") {
	$numitems ++;
	}
	} else {
	$numitems ++;
	}
	}
	if ($numitems == 0) {
	rmdir($path);
	}
	closedir($dirh);
	}
	}
	return;
	}

	=pod

	=item &get_folder_hierarchy()

	Provides hierarchy of names of folders/sub-folders containing the current
	item,

	Inputs: 3
	- $navmap - navmaps object

	- $map - url for map (either the trigger itself, or map containing
	the resource, which is the trigger).

	- $showitem - 1 => show title for map itself; 0 => do not show.

	Outputs: 1 @pathitems - array of folder/subfolder names.

	=cut

	sub get_folder_hierarchy {
	my ($navmap,$map,$showitem) = @_;
	my @pathitems;
	if (ref($navmap)) {
	my $mapres = $navmap->getResourceByUrl($map);
	if (ref($mapres)) {
	my $pcslist = $mapres->map_hierarchy();
	if ($pcslist ne '') {
	my @pcs = split(/,/,$pcslist);
	foreach my $pc (@pcs) {
	if ($pc == 1) {
	push(@pathitems,&mt('Main Content'));
	} else {
	my $res = $navmap->getByMapPc($pc);
	if (ref($res)) {
	my $title = $res->compTitle();
	$title =~ s/\W+/_/g;
	if ($title ne '') {
	push(@pathitems,$title);
	}
	}
	}
	}
	}
	if ($showitem) {
	if ($mapres->{ID} eq '0.0') {
	push(@pathitems,&mt('Main Content'));
	} else {
	my $maptitle = $mapres->compTitle();
	$maptitle =~ s/\W+/_/g;
	if ($maptitle ne '') {
	push(@pathitems,$maptitle);
	}
	}
	}
	}
	}
	return @pathitems;
	}

=pod	=pod

=item * &get_turnedin_filepath()	=item * &get_turnedin_filepath()
Line 12293 sub commit_customrole {	Line 13329 sub commit_customrole {
}	}

sub commit_standardrole {	sub commit_standardrole {
my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;	my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context,$credits) = @_;
my ($output,$logmsg,$linefeed);	my ($output,$logmsg,$linefeed);
if ($context eq 'auto') {	if ($context eq 'auto') {
$linefeed = "\n";	$linefeed = "\n";
Line 12302 sub commit_standardrole {	Line 13338 sub commit_standardrole {
}	}
if ($three eq 'st') {	if ($three eq 'st') {
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,$credits);
if (($result =~ /^error/) \|\| ($result eq 'not_in_class') \|\|	if (($result =~ /^error/) \|\| ($result eq 'not_in_class') \|\|
($result eq 'unknown_course') \|\| ($result eq 'refused')) {	($result eq 'unknown_course') \|\| ($result eq 'refused')) {
$output = $logmsg.' '.&mt('Error: ').$result."\n";	$output = $logmsg.' '.&mt('Error: ').$result."\n";
Line 12333 sub commit_standardrole {	Line 13369 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,
	$credits) = @_;
my ($result,$linefeed,$oldsecurl,$newsecurl);	my ($result,$linefeed,$oldsecurl,$newsecurl);
if ($context eq 'auto') {	if ($context eq 'auto') {
$linefeed = "\n";	$linefeed = "\n";
Line 12380 sub commit_studentrole {	Line 13417 sub commit_studentrole {
}	}
}	}
if (($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,'','',$cid,'',$context);	$modify_section_result =
	&Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,
	undef,undef,undef,$sec,
	$end,$start,'','',$cid,
	'',$context,$credits);
if ($modify_section_result =~ /^ok/) {	if ($modify_section_result =~ /^ok/) {
if ($secchange == 1) {	if ($secchange == 1) {
if ($sec eq '') {	if ($sec eq '') {
Line 12402 sub commit_studentrole {	Line 13443 sub commit_studentrole {
}	}
}	}
} else {	} else {
if ($secchange) {	if ($secchange) {
$$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;	$$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 {	} else {
$$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;	$$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
Line 12411 sub commit_studentrole {	Line 13452 sub commit_studentrole {
$result = $modify_section_result;	$result = $modify_section_result;
} elsif ($secchange == 1) {	} elsif ($secchange == 1) {
if ($oldsec eq '') {	if ($oldsec eq '') {
$$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;	$$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_2] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
} else {	} else {
$$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;	$$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;
}	}
Line 12437 sub commit_studentrole {	Line 13478 sub commit_studentrole {
return $result;	return $result;
}	}

	sub show_role_extent {
	my ($scope,$context,$role) = @_;
	$scope =~ s{^/}{};
	my @courseroles = &Apache::lonuserutils::roles_by_context('course',1);
	push(@courseroles,'co');
	my @authorroles = &Apache::lonuserutils::roles_by_context('author');
	if (($context eq 'course') \|\| (grep(/^\Q$role\E/,@courseroles))) {
	$scope =~ s{/}{_};
	return '<span class="LC_cusr_emph">'.$env{'course.'.$scope.'.description'}.'</span>';
	} elsif (($context eq 'author') \|\| (grep(/^\Q$role\E/,@authorroles))) {
	my ($audom,$auname) = split(/\//,$scope);
	return &mt('[_1] Author Space','<span class="LC_cusr_emph">'.
	&Apache::loncommon::plainname($auname,$audom).'</span>');
	} else {
	$scope =~ s{/$}{};
	return &mt('Domain: [_1]','<span class="LC_cusr_emph">'.
	&Apache::lonnet::domain($scope,'description').'</span>');
	}
	}

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

Line 12600 sub construct_course {	Line 13661 sub construct_course {
'pch.users.denied',	'pch.users.denied',
'plc.users.denied',	'plc.users.denied',
'hidefromcat',	'hidefromcat',
	'checkforpriv',
'categories'],	'categories'],
$$crsudom,$$crsunum);	$$crsudom,$$crsunum);
}	}
Line 12629 sub construct_course {	Line 13691 sub construct_course {
} else {	} else {
$cenv{'internal.courseowner'} = $args->{'curruser'};	$cenv{'internal.courseowner'} = $args->{'curruser'};
}	}
	if ($args->{'defaultcredits'}) {
	$cenv{'internal.defaultcredits'} = $args->{'defaultcredits'};
	}
my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.	my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
if ($args->{'crssections'}) {	if ($args->{'crssections'}) {
$cenv{'internal.sectionnums'} = '';	$cenv{'internal.sectionnums'} = '';
Line 12653 sub construct_course {	Line 13718 sub construct_course {
# do not hide course coordinator from staff listing,	# do not hide course coordinator from staff listing,
# even if privileged	# even if privileged
$cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};	$cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
	# add course coordinator's domain to domains to check for privileged users
	# if different to course domain
	if ($$crsudom ne $args->{'ccdomain'}) {
	$cenv{'checkforpriv'} = $args->{'ccdomain'};
	}
# add crosslistings	# add crosslistings
if ($args->{'crsxlist'}) {	if ($args->{'crsxlist'}) {
$cenv{'internal.crosslistings'}='';	$cenv{'internal.crosslistings'}='';
Line 13065 sub init_user_environment {	Line 14135 sub init_user_environment {
%domdef = &Apache::lonnet::get_domain_defaults($domain);	%domdef = &Apache::lonnet::get_domain_defaults($domain);
}	}

foreach my $tool ('aboutme','blog','portfolio') {	foreach my $tool ('aboutme','blog','webdav','portfolio') {
$userenv{'availabletools.'.$tool} =	$userenv{'availabletools.'.$tool} =
&Apache::lonnet::usertools_access($username,$domain,$tool,'reload',	&Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
undef,\%userenv,\%domdef,\%is_adv);	undef,\%userenv,\%domdef,\%is_adv);
Line 13078 sub init_user_environment {	Line 14148 sub init_user_environment {
\%userenv,\%domdef,\%is_adv);	\%userenv,\%domdef,\%is_adv);
}	}

	$userenv{'canrequest.author'} =
	&Apache::lonnet::usertools_access($username,$domain,'requestauthor',
	'reload','requestauthor',
	\%userenv,\%domdef,\%is_adv);
	my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
	$domain,$username);
	my $reqstatus = $reqauthor{'author_status'};
	if ($reqstatus eq 'approval' \|\| $reqstatus eq 'approved') {
	if (ref($reqauthor{'author'}) eq 'HASH') {
	$userenv{'requestauthorqueued'} = $reqstatus.':'.
	$reqauthor{'author'}{'timestamp'};
	}
	}

$env{'user.environment'} = "$lonids/$cookie.id";	$env{'user.environment'} = "$lonids/$cookie.id";

if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",	if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
Line 13126 sub get_symb {	Line 14210 sub get_symb {
my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));	my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
if ($symb eq '') {	if ($symb eq '') {
if (!$silent) {	if (!$silent) {
$request->print("Unable to handle ambiguous references:$url:.");	if (ref($request)) {
	$request->print("Unable to handle ambiguous references:$url:.");
	}
return ();	return ();
}	}
}	}
Line 13190 sub build_release_hashes {	Line 14276 sub build_release_hashes {
return;	return;
}	}

	sub update_content_constraints {
	my ($cdom,$cnum,$chome,$cid) = @_;
	my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
	my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
	my %checkresponsetypes;
	foreach my $key (keys(%Apache::lonnet::needsrelease)) {
	my ($item,$name,$value) = split(/:/,$key);
	if ($item eq 'resourcetag') {
	if ($name eq 'responsetype') {
	$checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}
	}
	}
	}
	my $navmap = Apache::lonnavmaps::navmap->new();
	if (defined($navmap)) {
	my %allresponses;
	foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {
	my %responses = $res->responseTypes();
	foreach my $key (keys(%responses)) {
	next unless(exists($checkresponsetypes{$key}));
	$allresponses{$key} += $responses{$key};
	}
	}
	foreach my $key (keys(%allresponses)) {
	my ($major,$minor) = split(/\./,$checkresponsetypes{$key});
	if (($major > $reqdmajor) \|\| ($major == $reqdmajor && $minor > $reqdminor)) {
	($reqdmajor,$reqdminor) = ($major,$minor);
	}
	}
	undef($navmap);
	}
	unless (($reqdmajor eq '') && ($reqdminor eq '')) {
	&Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);
	}
	return;
	}

	sub allmaps_incourse {
	my ($cdom,$cnum,$chome,$cid) = @_;
	if ($cdom eq '' \|\| $cnum eq '' \|\| $chome eq '' \|\| $cid eq '') {
	$cid = $env{'request.course.id'};
	$cdom = $env{'course.'.$cid.'.domain'};
	$cnum = $env{'course.'.$cid.'.num'};
	$chome = $env{'course.'.$cid.'.home'};
	}
	my %allmaps = ();
	my $lastchange =
	&Apache::lonnet::get_coursechange($cdom,$cnum);
	if ($lastchange > $env{'request.course.tied'}) {
	my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
	unless ($ferr) {
	&update_content_constraints($cdom,$cnum,$chome,$cid);
	}
	}
	my $navmap = Apache::lonnavmaps::navmap->new();
	if (defined($navmap)) {
	foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_map() },1,0,1)) {
	$allmaps{$res->src()} = 1;
	}
	}
	return \%allmaps;
	}

	sub parse_supplemental_title {
	my ($title) = @_;

	my ($foldertitle,$renametitle);
	if ($title =~ /&&&/) {
	$title = &HTML::Entites::decode($title);
	}
	if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
	$renametitle=$4;
	my ($time,$uname,$udom) = ($1,$2,$3);
	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
	my $name = &plainname($uname,$udom);
	$name = &HTML::Entities::encode($name,'"<>&\'');
	$renametitle = &HTML::Entities::encode($renametitle,'"<>&\'');
	$title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
	$name.': <br />'.$foldertitle;
	}
	if (wantarray) {
	return ($title,$foldertitle,$renametitle);
	}
	return $title;
	}

	sub symb_to_docspath {
	my ($symb) = @_;
	return unless ($symb);
	my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb);
	if ($resurl=~/\.(sequence\|page)$/) {
	$mapurl=$resurl;
	} elsif ($resurl eq 'adm/navmaps') {
	$mapurl=$env{'course.'.$env{'request.course.id'}.'.url'};
	}
	my $mapresobj;
	my $navmap = Apache::lonnavmaps::navmap->new();
	if (ref($navmap)) {
	$mapresobj = $navmap->getResourceByUrl($mapurl);
	}
	$mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1};
	my $type=$2;
	my $path;
	if (ref($mapresobj)) {
	my $pcslist = $mapresobj->map_hierarchy();
	if ($pcslist ne '') {
	foreach my $pc (split(/,/,$pcslist)) {
	next if ($pc <= 1);
	my $res = $navmap->getByMapPc($pc);
	if (ref($res)) {
	my $thisurl = $res->src();
	$thisurl=~s{^.*/([^/]+)\.\w+$}{$1};
	my $thistitle = $res->title();
	$path .= '&'.
	&Apache::lonhtmlcommon::entity_encode($thisurl).'&'.
	&Apache::lonhtmlcommon::entity_encode($thistitle).
	':'.$res->randompick().
	':'.$res->randomout().
	':'.$res->encrypted().
	':'.$res->randomorder().
	':'.$res->is_page();
	}
	}
	}
	$path =~ s/^\&//;
	my $maptitle = $mapresobj->title();
	if ($mapurl eq 'default') {
	$maptitle = 'Main Content';
	}
	$path .= (($path ne '')? '&' : '').
	&Apache::lonhtmlcommon::entity_encode($mapurl).'&'.
	&Apache::lonhtmlcommon::entity_encode($maptitle).
	':'.$mapresobj->randompick().
	':'.$mapresobj->randomout().
	':'.$mapresobj->encrypted().
	':'.$mapresobj->randomorder().
	':'.$mapresobj->is_page();
	} else {
	my $maptitle = &Apache::lonnet::gettitle($mapurl);
	my $ispage = (($type eq 'page')? 1 : '');
	if ($mapurl eq 'default') {
	$maptitle = 'Main Content';
	}
	$path = &Apache::lonhtmlcommon::entity_encode($mapurl).'&'.
	&Apache::lonhtmlcommon::entity_encode($maptitle).':::::'.$ispage;
	}
	unless ($mapurl eq 'default') {
	$path = 'default&'.
	&Apache::lonhtmlcommon::entity_encode('Main Content').
	':::::&'.$path;
	}
	return $path;
	}

	sub captcha_display {
	my ($context,$lonhost) = @_;
	my ($output,$error);
	my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
	if ($captcha eq 'original') {
	$output = &create_captcha();
	unless ($output) {
	$error = 'captcha';
	}
	} elsif ($captcha eq 'recaptcha') {
	$output = &create_recaptcha($pubkey);
	unless ($output) {
	$error = 'recaptcha';
	}
	}
	return ($output,$error);
	}

	sub captcha_response {
	my ($context,$lonhost) = @_;
	my ($captcha_chk,$captcha_error);
	my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
	if ($captcha eq 'original') {
	($captcha_chk,$captcha_error) = &check_captcha();
	} elsif ($captcha eq 'recaptcha') {
	$captcha_chk = &check_recaptcha($privkey);
	} else {
	$captcha_chk = 1;
	}
	return ($captcha_chk,$captcha_error);
	}

	sub get_captcha_config {
	my ($context,$lonhost) = @_;
	my ($captcha,$pubkey,$privkey,$hashtocheck);
	my $hostname = &Apache::lonnet::hostname($lonhost);
	my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
	my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
	if ($context eq 'usercreation') {
	my %domconfig = &Apache::lonnet::get_dom('configuration',[$context],$serverhomedom);
	if (ref($domconfig{$context}) eq 'HASH') {
	$hashtocheck = $domconfig{$context}{'cancreate'};
	if (ref($hashtocheck) eq 'HASH') {
	if ($hashtocheck->{'captcha'} eq 'recaptcha') {
	if (ref($hashtocheck->{'recaptchakeys'}) eq 'HASH') {
	$pubkey = $hashtocheck->{'recaptchakeys'}{'public'};
	$privkey = $hashtocheck->{'recaptchakeys'}{'private'};
	}
	if ($privkey && $pubkey) {
	$captcha = 'recaptcha';
	} else {
	$captcha = 'original';
	}
	} elsif ($hashtocheck->{'captcha'} ne 'notused') {
	$captcha = 'original';
	}
	}
	} else {
	$captcha = 'captcha';
	}
	} elsif ($context eq 'login') {
	my %domconfhash = &Apache::loncommon::get_domainconf($serverhomedom);
	if ($domconfhash{$serverhomedom.'.login.captcha'} eq 'recaptcha') {
	$pubkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_public'};
	$privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'};
	if ($privkey && $pubkey) {
	$captcha = 'recaptcha';
	} else {
	$captcha = 'original';
	}
	} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
	$captcha = 'original';
	}
	}
	return ($captcha,$pubkey,$privkey);
	}

	sub create_captcha {
	my %captcha_params = &captcha_settings();
	my ($output,$maxtries,$tries) = ('',10,0);
	while ($tries < $maxtries) {
	$tries ++;
	my $captcha = Authen::Captcha->new (
	output_folder => $captcha_params{'output_dir'},
	data_folder => $captcha_params{'db_dir'},
	);
	my $md5sum = $captcha->generate_code($captcha_params{'numchars'});

	if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
	$output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
	&mt('Type in the letters/numbers shown below').' '.
	'<input type="text" size="5" name="code" value="" /><br />'.
	'<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />';
	last;
	}
	}
	return $output;
	}

	sub captcha_settings {
	my %captcha_params = (
	output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
	www_output_dir => "/captchaspool",
	db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
	numchars => '5',
	);
	return %captcha_params;
	}

	sub check_captcha {
	my ($captcha_chk,$captcha_error);
	my $code = $env{'form.code'};
	my $md5sum = $env{'form.crypt'};
	my %captcha_params = &captcha_settings();
	my $captcha = Authen::Captcha->new(
	output_folder => $captcha_params{'output_dir'},
	data_folder => $captcha_params{'db_dir'},
	);
	$captcha_chk = $captcha->check_code($code,$md5sum);
	my %captcha_hash = (
	0 => 'Code not checked (file error)',
	-1 => 'Failed: code expired',
	-2 => 'Failed: invalid code (not in database)',
	-3 => 'Failed: invalid code (code does not match crypt)',
	);
	if ($captcha_chk != 1) {
	$captcha_error = $captcha_hash{$captcha_chk}
	}
	return ($captcha_chk,$captcha_error);
	}

	sub create_recaptcha {
	my ($pubkey) = @_;
	my $captcha = Captcha::reCAPTCHA->new;
	return $captcha->get_options_setter({theme => 'white'})."\n".
	$captcha->get_html($pubkey).
	&mt('If either word is hard to read, [_1] will replace them.',
	'<image src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').
	'<br /><br />';
	}

	sub check_recaptcha {
	my ($privkey) = @_;
	my $captcha_chk;
	my $captcha = Captcha::reCAPTCHA->new;
	my $captcha_result =
	$captcha->check_answer(
	$privkey,
	$ENV{'REMOTE_ADDR'},
	$env{'form.recaptcha_challenge_field'},
	$env{'form.recaptcha_response_field'},
	);
	if ($captcha_result->{is_valid}) {
	$captcha_chk = 1;
	}
	return $captcha_chk;
	}

=pod	=pod

=back	=back

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

Removed from v.1.1065
changed lines
	Added in v.1.1132