loncom/xml/lonxml.pm - diff

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Diff for /loncom/xml/lonxml.pm between versions 1.466 and 1.532

version 1.466, 2007/10/22 09:27:50	version 1.532, 2012/07/05 19:24:02
Line 37	Line 37
# to any other parties under any circumstances.	# to any other parties under any circumstances.
#	#

	=pod

	=head1 NAME

	Apache::lonxml

	=head1 SYNOPSIS

	XML Parsing Module

	This is part of the LearningOnline Network with CAPA project
	described at http://www.lon-capa.org.


	=head1 SUBROUTINES

	=cut



package Apache::lonxml;	package Apache::lonxml;
use vars	use vars
Line 90 use Apache::lonfeedback();	Line 109 use Apache::lonfeedback();
use Apache::lonmsg();	use Apache::lonmsg();
use Apache::loncacc();	use Apache::loncacc();
use Apache::lonmaxima();	use Apache::lonmaxima();
	use Apache::lonr();
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonhtmlcommon();
	use Apache::functionplotresponse();
	use Apache::lonnavmaps();

#==================================== Main subroutine: xmlparse	#==================================== Main subroutine: xmlparse

Line 188 sub xmlend {	Line 211 sub xmlend {
my $discussion;	my $discussion;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['LONCAPA_INTERNAL_no_discussion']);	['LONCAPA_INTERNAL_no_discussion']);
if (! exists($env{'form.LONCAPA_INTERNAL_no_discussion'}) \|\|	if (
$env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true') {	( (!exists($env{'form.LONCAPA_INTERNAL_no_discussion'}))
	\|\| ($env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true')
	)
	&& ($env{'form.inhibitmenu'} ne 'yes')
	) {
$discussion=&Apache::lonfeedback::list_discussion($mode,$status);	$discussion=&Apache::lonfeedback::list_discussion($mode,$status);
}	}
if ($target eq 'tex') {	if ($target eq 'tex') {
Line 201 sub xmlend {	Line 228 sub xmlend {
return $discussion;	return $discussion;
}	}

sub tokeninputfield {
my $defhost=$Apache::lonnet::perlvar{'lonHostID'};
$defhost=~tr/a-z/A-Z/;
return (<<ENDINPUTFIELD)
<script type="text/javascript">
function updatetoken() {
var comp=new Array;
var barcode=unescape(document.tokeninput.barcode.value);
comp=barcode.split('*');
if (typeof(comp[0])!="undefined") {
document.tokeninput.codeone.value=comp[0];
}
if (typeof(comp[1])!="undefined") {
document.tokeninput.codetwo.value=comp[1];
}
if (typeof(comp[2])!="undefined") {
comp[2]=comp[2].toUpperCase();
document.tokeninput.codethree.value=comp[2];
}
document.tokeninput.barcode.value='';
}
</script>
<form method="post" name="tokeninput">
<table border="2" bgcolor="#FFFFBB">
<tr><th>DocID Checkin</th></tr>
<tr><td>
<table>
<tr>
<td>Scan in Barcode</td>
<td><input type="text" size="22" name="barcode"
onChange="updatetoken()"/></td>
</tr>
<tr><td><i>or</i> Type in DocID</td>
<td>
<input type="text" size="5" name="codeone" />
<b><font size="+2">*</font></b>
<input type="text" size="5" name="codetwo" />
<b><font size="+2">*</font></b>
<input type="text" size="10" name="codethree" value="$defhost"
onChange="this.value=this.value.toUpperCase()" />
</td></tr>
</table>
</td></tr>
<tr><td><input type="submit" value="Check in DocID" /></td></tr>
</table>
</form>
ENDINPUTFIELD
}

sub maketoken {
my ($symb,$tuname,$tudom,$tcrsid)=@_;
unless ($symb) {
$symb=&Apache::lonnet::symbread();
}
unless ($tuname) {
$tuname=$env{'user.name'};
$tudom=$env{'user.domain'};
$tcrsid=$env{'request.course.id'};
}

return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid);
}

sub printtokenheader {
my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_;
unless ($token) { return ''; }

my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
unless ($tsymb) {
$tsymb=$symb;
}
unless ($tuname) {
$tuname=$name;
$tudom=$domain;
$tcrsid=$courseid;
}

my $plainname=&Apache::loncommon::plainname($tuname,$tudom);

if ($target eq 'web') {
my %idhash=&Apache::lonnet::idrget($tudom,($tuname));
return
'<img align="right" src="/cgi-bin/barcode.png?encode='.$token.'" />'.
&mt('Checked out for').' '.$plainname.
'<br />'.&mt('User').': '.$tuname.' at '.$tudom.
'<br />'.&mt('ID').': '.$idhash{$tuname}.
'<br />'.&mt('CourseID').': '.$tcrsid.
'<br />'.&mt('Course').': '.$env{'course.'.$tcrsid.'.description'}.
'<br />'.&mt('DocID').': '.$token.
'<br />'.&mt('Time').': '.&Apache::lonlocal::locallocaltime().'<hr />';
} else {
return $token;
}
}

sub printalltags {	sub printalltags {
my $temp;	my $temp;
foreach $temp (sort keys %Apache::lonxml::alltags) {	foreach $temp (sort keys %Apache::lonxml::alltags) {
Line 361 sub xmlparse {	Line 293 sub xmlparse {
$safeeval,\%style_for_target,1);	$safeeval,\%style_for_target,1);

if (@stack) {	if (@stack) {
&warning("At end of file some tags were still left unclosed, ".	&warning(&mt('At end of file some tags were still left unclosed:').
'<tt><'.join('></tt>, <tt><',reverse(@stack)).	' <tt><'.join('></tt>, <tt><',reverse(@stack)).
'></tt>');	'></tt>');
}	}
if ($env{'request.uri'}) {	if ($env{'request.uri'}) {
Line 374 sub xmlparse {	Line 306 sub xmlparse {
&clean_safespace($safeeval);	&clean_safespace($safeeval);

if (@script_var_displays) {	if (@script_var_displays) {
$finaloutput .= join('',@script_var_displays);	my $scriptoutput = join('',@script_var_displays);
	$finaloutput=~s{(</body>\s</html>)\s$}{$scriptoutput$1}s;
undef(@script_var_displays);	undef(@script_var_displays);
}	}
	&init_state();
if ($env{'form.return_only_error_and_warning_counts'}) {	if ($env{'form.return_only_error_and_warning_counts'}) {
	if ($env{'request.filename'}=~/\.(html\|htm\|xml)$/i) {
	my $error=&verify_html($content_file_string);
	if ($error) { $errorcount++; }
	}
return "$errorcount:$warningcount";	return "$errorcount:$warningcount";
}	}
return $finaloutput;	return $finaloutput;
Line 482 sub inner_xmlparse {	Line 419 sub inner_xmlparse {
while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {	while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {
my $lasttag=$$stack[-1];	my $lasttag=$$stack[-1];
if ($token->[1] =~ /^\Q$lasttag\E$/i) {	if ($token->[1] =~ /^\Q$lasttag\E$/i) {
&Apache::lonxml::warning('Using tag </'.$token->[1].'> on line '.$token->[3].' as end tag to <'.$$stack[-1].'>');	&Apache::lonxml::warning(&mt('Using tag [_1] on line [_2] as end tag to [_3]','</'.$token->[1].'>','.$token->[3].','<'.$$stack[-1].'>'));
last;	last;
} else {	} else {
&Apache::lonxml::warning('Found tag </'.$token->[1].'> on line '.$token->[3].' when looking for </'.$$stack[-1].'> in file');	&Apache::lonxml::warning(&mt('Found tag [_1] on line [_2] when looking for [_3] in file.','</'.$token->[1].'>',$token->[3],'</'.$$stack[-1].'>'));
&end_tag($stack,$parstack,$token);	&end_tag($stack,$parstack,$token);
}	}
}	}
Line 501 sub inner_xmlparse {	Line 438 sub inner_xmlparse {
if (!$Apache::lonxml::usestyle) {	if (!$Apache::lonxml::usestyle) {
$extras=$Apache::lonxml::style_values;	$extras=$Apache::lonxml::style_values;
}	}
if ( $#$parstack > -1 ) {	if ( $#$parstack > -1 ) {
$result=&Apache::run::evaluate($result,$safeeval,$extras.$$parstack[-1]);	$result=&Apache::run::evaluate($result,$safeeval,$extras.$$parstack[-1]);
} else {	} else {
$result= &Apache::run::evaluate($result,$safeeval,$extras);	$result= &Apache::run::evaluate($result,$safeeval,$extras);
}	}
}	}
$Apache::lonxml::post_evaluate=1;	$Apache::lonxml::post_evaluate=1;

Line 546 sub inner_xmlparse {	Line 483 sub inner_xmlparse {
}	}
if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) {	if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) {
$finaloutput=&afterburn($finaloutput);	$finaloutput=&afterburn($finaloutput);
	}
	if ($target eq 'modified') {
	# if modfied, handle startpart and endpart
	$finaloutput=~s/\<startpartmarker[^\>]\>(.)\<endpartmarker[^\>]*\>/<part>$1<\/part>/gs;
}	}
return $finaloutput;	return $finaloutput;
}	}
Line 654 sub setup_globals {	Line 595 sub setup_globals {
$Apache::lonxml::request=$request;	$Apache::lonxml::request=$request;
$errorcount=0;	$errorcount=0;
$warningcount=0;	$warningcount=0;
	$Apache::lonxml::internal_error=0;
$Apache::lonxml::default_homework_loaded=0;	$Apache::lonxml::default_homework_loaded=0;
$Apache::lonxml::usestyle=1;	$Apache::lonxml::usestyle=1;
&init_counter();	&init_counter();
&clear_bubble_lines_for_part();	&clear_bubble_lines_for_part();
&init_state();	&init_state();
	&set_state('target',$target);
@Apache::lonxml::pwd=();	@Apache::lonxml::pwd=();
@Apache::lonxml::extlinks=();	@Apache::lonxml::extlinks=();
@script_var_displays=();	@script_var_displays=();
Line 706 sub setup_globals {	Line 649 sub setup_globals {

sub init_safespace {	sub init_safespace {
my ($target,$safeeval,$safehole,$safeinit) = @_;	my ($target,$safeeval,$safehole,$safeinit) = @_;
$safeeval->deny_only(':dangerous');
$safeeval->reval('use Math::Complex;');	$safeeval->reval('use Math::Complex;');
	$safeeval->reval('use LaTeX::Table;');
	$safeeval->deny_only(':dangerous');
$safeeval->permit_only(":default");	$safeeval->permit_only(":default");
$safeeval->permit("entereval");	$safeeval->permit("entereval");
$safeeval->permit(":base_math");	$safeeval->permit(":base_math");
$safeeval->permit("sort");	$safeeval->permit("sort");
$safeeval->permit("time");	$safeeval->permit("time");
	$safeeval->permit("caller");
$safeeval->deny("rand");	$safeeval->deny("rand");
$safeeval->deny("srand");	$safeeval->deny("srand");
$safeeval->deny(":base_io");	$safeeval->deny(":base_io");
Line 722 sub init_safespace {	Line 667 sub init_safespace {
$safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval,	$safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval,
'&chem_standard_order');	'&chem_standard_order');
$safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status');	$safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status');
	$safehole->wrap(\&Apache::response::implicit_multiplication,$safeeval,'&implicit_multiplication');

$safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval');	$safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval');
$safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');	$safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
$safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval,	$safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval,
'&maxima_cas_formula_fix');	'&maxima_cas_formula_fix');

	$safehole->wrap(\&Apache::lonr::r_eval,$safeeval,'&r_eval');
	$safehole->wrap(\&Apache::lonr::Rentry,$safeeval,'&Rentry');
	$safehole->wrap(\&Apache::lonr::Rarray,$safeeval,'&Rarray');
	$safehole->wrap(\&Apache::lonr::r_check,$safeeval,'&r_check');
	$safehole->wrap(\&Apache::lonr::r_cas_formula_fix,$safeeval,
	'&r_cas_formula_fix');

$safehole->wrap(\&Apache::caparesponse::capa_formula_fix,$safeeval,	$safehole->wrap(\&Apache::caparesponse::capa_formula_fix,$safeeval,
'&capa_formula_fix');	'&capa_formula_fix');

	$safehole->wrap(\&Apache::lonlocal::locallocaltime,$safeeval,
	'&locallocaltime');

$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');	$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');
$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');	$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');
$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');	$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
Line 838 sub init_safespace {	Line 794 sub init_safespace {
$safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');	$safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');
$safehole->wrap(\&Apache::inputtags::finalizeawards,$safeeval,'&LONCAPA_INTERNAL_FINALIZEAWARDS');	$safehole->wrap(\&Apache::inputtags::finalizeawards,$safeeval,'&LONCAPA_INTERNAL_FINALIZEAWARDS');
$safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');	$safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');
	$safehole->wrap(\&Apache::functionplotresponse::fpr_val,$safeeval,'&fpr_val');
	$safehole->wrap(\&Apache::functionplotresponse::fpr_f,$safeeval,'&fpr_f');
	$safehole->wrap(\&Apache::functionplotresponse::fpr_dfdx,$safeeval,'&fpr_dfdx');
	$safehole->wrap(\&Apache::functionplotresponse::fpr_d2fdx2,$safeeval,'&fpr_d2fdx2');
	$safehole->wrap(\&Apache::functionplotresponse::fpr_vectorcoords,$safeeval,'&fpr_vectorcoords');
	$safehole->wrap(\&Apache::functionplotresponse::fpr_objectcoords,$safeeval,'&fpr_objectcoords');
	$safehole->wrap(\&Apache::functionplotresponse::fpr_vectorlength,$safeeval,'&fpr_vectorlength');
	$safehole->wrap(\&Apache::functionplotresponse::fpr_vectorangle,$safeeval,'&fpr_vectorangle');

# use Data::Dumper;	# use Data::Dumper;
# $safehole->wrap(\&Data::Dumper::Dumper,$safeeval,'&LONCAPA_INTERNAL_Dumper');	# $safehole->wrap(\&Data::Dumper::Dumper,$safeeval,'&LONCAPA_INTERNAL_Dumper');
#need to inspect this class of ops	#need to inspect this class of ops
Line 889 sub initialize_rndseed {	Line 854 sub initialize_rndseed {
sub default_homework_load {	sub default_homework_load {
my ($safeeval)=@_;	my ($safeeval)=@_;
&Apache::lonxml::debug('Loading default_homework');	&Apache::lonxml::debug('Loading default_homework');
my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm');	my $default=&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonIncludes'}.
	'/default_homework.lcpm');
if ($default eq -1) {	if ($default eq -1) {
&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");	&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");
} else {	} else {
Line 1005 sub get_id {	Line 971 sub get_id {
my ($parstack,$safeeval)=@_;	my ($parstack,$safeeval)=@_;
my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);	my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
if ($env{'request.state'} eq 'construct' && $id =~ /([._]\|[^\w\d\s[:punct:]])/) {	if ($env{'request.state'} eq 'construct' && $id =~ /([._]\|[^\w\d\s[:punct:]])/) {
&error(&mt("ID "[_1]" contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",'<tt>'.$id.'</tt>'));	&error(&mt('ID [_1] contains invalid characters. IDs are only allowed to contain letters, numbers, spaces and -','"<tt>'.$id.'</tt>"'));
}	}
if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }	if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
return $id;	return $id;
Line 1059 the current 'bubble line number' is stor	Line 1025 the current 'bubble line number' is stor
The value of it is stored in $Apache:lonxml::counter when live and	The value of it is stored in $Apache:lonxml::counter when live and
stored back to env after done.	stored back to env after done.

=item &increment_counter($increment);	=item &increment_counter($increment, $part_response);

Increments the internal counter environment variable a specified amount	Increments the internal counter environment variable a specified amount

Optional Arguments:	Optional Arguments:
$increment - amount to increment by (defaults to 1)	$increment - amount to increment by (defaults to 1)
Also 1 if the value is negative or zero.	Also 1 if the value is negative or zero.
$response_id - The id of the response to record. This	$part_response - A concatenation of the part and response id
indicates whicn part of which problem is being	identifying exactly what is being 'answered'.
counted.

=cut	=cut

sub increment_counter {	sub increment_counter {
my ($increment, $response_id) = @_;	my ($increment, $part_response) = @_;
	if ($env{'form.grade_noincrement'}) { return; }
if (!defined($increment) \|\| $increment le 0) {	if (!defined($increment) \|\| $increment le 0) {
$increment = 1;	$increment = 1;
}	}
Line 1082 sub increment_counter {	Line 1049 sub increment_counter {
# If the caller supplied the response_id parameter,	# If the caller supplied the response_id parameter,
# Maintain its counter.. creating if necessary.	# Maintain its counter.. creating if necessary.

if(defined($response_id)) {	if (defined($part_response)) {
if (!defined($Apache::lonxml::counters_per_part{$response_id})) {	if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
$Apache::lonxml::counters_per_part{$response_id} = 0;	$Apache::lonxml::counters_per_part{$part_response} = 0;
}	}
$Apache::lonxml::counters_per_part{$response_id} += $increment;	$Apache::lonxml::counters_per_part{$part_response} += $increment;
my $new_value = $Apache::lonxml::counters_per_part{$response_id};	my $new_value = $Apache::lonxml::counters_per_part{$part_response};
}	}

$Apache::lonxml::counter_changed=1;	$Apache::lonxml::counter_changed=1;
Line 1115 sub init_counter {	Line 1082 sub init_counter {
}	}

sub store_counter {	sub store_counter {
&Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter));	&Apache::lonnet::appenv({'form.counter' => $Apache::lonxml::counter});
$Apache::lonxml::counter_changed=0;	$Apache::lonxml::counter_changed=0;
return '';	return '';
}	}
Line 1136 sub store_counter {	Line 1103 sub store_counter {

sub restore_problem_counter {	sub restore_problem_counter {
if (defined($state)) {	if (defined($state)) {
&Apache::lonnet::appenv(('form.counter' => $state));	&Apache::lonnet::appenv({'form.counter' => $state});
}	}
}	}
sub get_problem_counter {	sub get_problem_counter {
Line 1148 sub store_counter {	Line 1115 sub store_counter {

=pod	=pod

=item bubble_lines_for_part(response_id)	=item bubble_lines_for_part(part_response)

Returns the number of lines required to get a response for	Returns the number of lines required to get a response for
$response_id (this is just $Apache::lonxml::counters_per_part{$response_id}	$part_response (this is just $Apache::lonxml::counters_per_part{$part_response}

=cut	=cut

sub bubble_lines_for_part {	sub bubble_lines_for_part {
my ($response_id) = @_;	my ($part_response) = @_;

if (!defined($Apache::lonxml::counters_per_part{$response_id})) {	if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
return 0;	return 0;
} else {	} else {
return $Apache::lonxml::counters_per_part{$response_id};	return $Apache::lonxml::counters_per_part{$part_response};
}	}

}	}

=pod	=pod
Line 1182 sub clear_bubble_lines_for_part {	Line 1148 sub clear_bubble_lines_for_part {

=pod	=pod

=item set_bubble_lines(response_id, value)	=item set_bubble_lines(part_response, value)

If there is a problem part, that for whatever reason	If there is a problem part, that for whatever reason
requires bubble lines that are not	requires bubble lines that are not
Line 1192 analysis to set its hash value explicitl	Line 1158 analysis to set its hash value explicitl
=cut	=cut

sub set_bubble_lines {	sub set_bubble_lines {
my ($response_id, $value) = @_;	my ($part_response, $value) = @_;

$Apache::lonxml::counters_per_part{$response_id} = $value;	$Apache::lonxml::counters_per_part{$part_response} = $value;
}	}

=pod	=pod
Line 1374 sub writeallows {	Line 1340 sub writeallows {
&Apache::lonnet::hreflocation($thisdir,&unescape($_))}=$thisurl;	&Apache::lonnet::hreflocation($thisdir,&unescape($_))}=$thisurl;
}	}
@extlinks=();	@extlinks=();
&Apache::lonnet::appenv(%httpref);	&Apache::lonnet::appenv(\%httpref);
}	}

sub register_ssi {	sub register_ssi {
Line 1441 sub storefile {	Line 1407 sub storefile {
$fh->close();	$fh->close();
return 1;	return 1;
} else {	} else {
&warning("Unable to save file $file");	&warning(&mt('Unable to save file [_1]','<tt>'.$file.'</tt>'));
return 0;	return 0;
}	}
}	}
Line 1474 SIMPLECONTENT	Line 1440 SIMPLECONTENT
return $filecontents;	return $filecontents;
}	}

	sub createnewjs {
	my $filecontents=(<<SIMPLECONTENT);
	<script type="text/javascript" language="Javascript">

	</script>
	SIMPLECONTENT
	return $filecontents;
	}

	sub verify_html {
	my ($filecontents)=@_;
	my ($is_html,$is_xml);
	if ($filecontents =~/(?:\<\|\&lt\;)\?xml[^\<]*\?(?:\>\|\&gt\;)/is) {
	$is_xml = 1;
	} elsif ($filecontents =~/(?:\<\|\&lt\;)html(?:\s+[^\<]+\|\s*)(?:\>\|\&gt\;)/is) {
	$is_html = 1;
	}
	unless ($is_xml \|\| $is_html) {
	return &mt('File does not have [_1] or [_2] starting tag','<html>','<?xml ?>');
	}
	if ($is_html) {
	if ($filecontents!~/(?:\<\|\&lt\;)\/html(?:\>\|\&gt\;)/is) {
	return &mt('File does not have [_1] ending tag','<html>');
	}
	if ($filecontents!~/(?:\<\|\&lt\;)(?:body\|frameset)[^\<]*(?:\>\|\&gt\;)/is) {
	return &mt('File does not have [_1] or [_2] starting tag','<body>','<frameset>');
	}
	if ($filecontents!~/(?:\<\|\&lt\;)\/(?:body\|frameset)[^\<]*(?:\>\|\&gt\;)/is) {
	return &mt('File does not have [_1] or [_2] ending tag','<body>','<frameset>');
	}
	}
	return '';
	}

	sub renderingoptions {
	my %langchoices=('' => '');
	foreach (&Apache::loncommon::languageids()) {
	if (&Apache::loncommon::supportedlanguagecode($_)) {
	$langchoices{&Apache::loncommon::supportedlanguagecode($_)}
	= &Apache::loncommon::plainlanguagedescription($_);
	}
	}
	my $output;
	unless ($env{'form.forceedit'}) {
	$output .=
	'<span class="LC_nobreak">'.
	&mt('Language:').' '.
	&Apache::loncommon::select_form(
	$env{'form.languages'},
	'languages',
	{&Apache::lonlocal::texthash(%langchoices)}).
	'</span>';
	}
	$output .=
	' <span class="LC_nobreak">'.
	&mt('Math Rendering:').' '.
	&Apache::loncommon::select_form(
	$env{'form.texengine'},
	'texengine',
	{&Apache::lonlocal::texthash
	('' => '',
	'tth' => 'tth (TeX to HTML)',
	'MathJax' => 'MathJax',
	'jsMath' => 'jsMath',
	'mimetex' => 'mimetex (Convert to Images)')}).
	'</span>';
	return $output;
	}

sub inserteditinfo {	sub inserteditinfo {
my ($filecontents,$filetype)=@_;	my ($filecontents,$filetype,$filename,$symb,$itemtitle) = @_;
$filecontents = &HTML::Entities::encode($filecontents,'<>&"');	$filecontents = &HTML::Entities::encode($filecontents,'<>&"');
# my $editheader='<a href="#editsection">Edit below</a><hr />';
my $xml_help = '';	my $xml_help = '';
my $initialize='';	my $initialize='';
my $textarea_id = 'filecont';	my $textarea_id = 'filecont';
	my ($dragmath_button,$deps_button);
my ($add_to_onload, $add_to_onresize);	my ($add_to_onload, $add_to_onresize);
$initialize=&Apache::lonhtmlcommon::spellheader();	$initialize=&Apache::lonhtmlcommon::spellheader();
if ($filetype eq 'html'	if (($filetype eq 'html') && (&Apache::lonhtmlcommon::htmlareabrowser())) {
&& (!&Apache::lonhtmlcommon::htmlareablocked() &&
&Apache::lonhtmlcommon::htmlareabrowser())) {
$textarea_id .= '___Frame';
my $lang = &Apache::lonhtmlcommon::htmlarea_lang();	my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
$initialize.=(<<FULLPAGE);	my %textarea_args = (
<script type="text/javascript">	fullpage => 'true',
lonca	dragmath => 'math',
function initDocument() {	);
var oFCKeditor = new FCKeditor('filecont');	$initialize .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
oFCKeditor.Config['CustomConfigurationsPath'] = '/fckeditor/loncapaconfig.js' ;	}
oFCKeditor.Config['FullPage'] = true	$initialize .= (<<FULLPAGE);
oFCKeditor.Config['AutoDetectLanguage'] = false;
oFCKeditor.Config['DefaultLanguage'] = "$lang";
oFCKeditor.ReplaceTextarea();
}
function check_if_dirty(editor) {
if (editor.IsDirty()) {
unClean();
}
}
function FCKeditor_OnComplete(editor) {
editor.Events.AttachEvent("OnSelectionChange",check_if_dirty);
resize_textarea('$textarea_id','LC_aftertextarea');
}
</script>
FULLPAGE
} else {
$initialize.=(<<FULLPAGE);
<script type="text/javascript">	<script type="text/javascript">
	// <![CDATA[
function initDocument() {	function initDocument() {
resize_textarea('$textarea_id','LC_aftertextarea');	resize_textarea('$textarea_id','LC_aftertextarea');
}	}
	// ]]>
</script>	</script>
FULLPAGE	FULLPAGE
	if ($filetype eq 'html') {
	if ($symb) {
	$deps_button = &Apache::lonhtmlcommon::dependencies_button()."\n";
	$initialize .=
	&Apache::lonhtmlcommon::dependencycheck_js($symb,$itemtitle)."\n";
	}
	$dragmath_button = '<span id="math_filecont">'.&Apache::lonhtmlcommon::dragmath_button('filecont',1).'</span>';
	$initialize .= "\n".&Apache::lonhtmlcommon::dragmath_js('EditMathPopup');
}	}

$add_to_onload = 'initDocument();';	$add_to_onload = 'initDocument();';
$add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";	$add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";

Line 1528 FULLPAGE	Line 1551 FULLPAGE
$xml_help=&Apache::loncommon::helpLatexCheatsheet();	$xml_help=&Apache::loncommon::helpLatexCheatsheet();
}	}

my $cleanbut = '';

my $titledisplay=&display_title();	my $titledisplay=&display_title();
	my $textareaclass;
my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',	my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',
'vi' => 'Save and View',	'vi' => 'Save and View',
'dv' => 'Discard Edits and View',	'dv' => 'Discard Edits and View',
'un' => 'undo',	'un' => 'undo',
'ed' => 'Edit');	'ed' => 'Edit');
my $buttons=(<<BUTTONS);	my $spelllink = &Apache::lonhtmlcommon::spelllink('xmledit','filecont');
$cleanbut
<input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" />
<input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" /><hr />
<input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />
<input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
BUTTONS
$buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
my $textarea_events = &Apache::edit::element_change_detection();	my $textarea_events = &Apache::edit::element_change_detection();
my $form_events = &Apache::edit::form_change_detection();	my $form_events = &Apache::edit::form_change_detection();
	my $htmlerror;
	if ($filetype eq 'html') {
	$htmlerror=&verify_html($filecontents);
	if ($htmlerror) {
	$htmlerror='<span class="LC_error">'.$htmlerror.'</span>';
	}
	if (&Apache::lonhtmlcommon::htmlareabrowser()) {
	$textareaclass = 'class="LC_richDefaultOff"';
	}
	}
my $editfooter=(<<ENDFOOTER);	my $editfooter=(<<ENDFOOTER);
$initialize	$initialize
<hr />
<a name="editsection" />	<a name="editsection" />
<form $form_events method="post" name="xmledit">	<form $form_events method="post" name="xmledit">
$xml_help	<div class="LC_edit_problem_editxml_header">
<input type="hidden" name="editmode" value="$lt{'ed'}" />	<table class="LC_edit_problem_header_title"><tr><td>
$buttons<br />	$filename
<textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>	</td><td align="right">
<div id="LC_aftertextarea">	$xml_help
<br />$buttons	</td></tr>
<br />	</table>
$titledisplay	<div class="LC_edit_problem_discards">
</div>	<input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" />
	<input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" />
	$htmlerror $deps_button $dragmath_button
	</div>
	<div class="LC_edit_problem_saves">
	<input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />
	<input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
	</div>
	</div>
	<textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont" $textareaclass>$filecontents</textarea><br />$spelllink
	<div id="LC_aftertextarea">
	<br />
	$titledisplay
	</div>
</form>	</form>
</body>	</body>
ENDFOOTER	ENDFOOTER
Line 1595 sub get_target {	Line 1632 sub get_target {

sub handler {	sub handler {
my $request=shift;	my $request=shift;

my $target=&get_target();	my $target=&get_target();

$Apache::lonxml::debug=$env{'user.debug'};	$Apache::lonxml::debug=$env{'user.debug'};

&Apache::loncommon::content_type($request,'text/html');	&Apache::loncommon::content_type($request,'text/html');
Line 1606 sub handler {	Line 1642 sub handler {
$request->set_last_modified(&Apache::lonnet::metadata($request->uri,	$request->set_last_modified(&Apache::lonnet::metadata($request->uri,
'lastrevisiondate'));	'lastrevisiondate'));
}	}
	# Embedded Flash movies from Camtasia served from https will not display in IE
	# if XML config file has expired from cache.
	if ($ENV{'SERVER_PORT'} == 443) {
	if ($request->uri =~ /\.xml$/) {
	my ($httpbrowser,$clientbrowser) =
	&Apache::loncommon::decode_user_agent($request);
	if ($clientbrowser =~ /^explorer$/i) {
	delete $request->headers_out->{'Cache-control'};
	delete $request->headers_out->{'Pragma'};
	my $expiration = time + 60;
	my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime($expiration));
	$request->headers_out->set("Expires" => $date);
	}
	}
	}
$request->send_http_header;	$request->send_http_header;

return OK if $request->header_only;	return OK if $request->header_only;


my $file=&Apache::lonnet::filelocation("",$request->uri);	my $file=&Apache::lonnet::filelocation("",$request->uri);
my $filetype;	my ($filetype,$breadcrumbtext);
if ($file =~ /\.sty$/) {	if ($file =~ /\.(sty\|css\|js\|txt\|tex)$/) {
$filetype='sty';	$filetype=$1;
} else {	} else {
$filetype='html';	$filetype='html';
}	}
	if ($filetype eq 'sty') {
	$breadcrumbtext = 'Style File Editor';
	} elsif ($filetype eq 'js') {
	$breadcrumbtext = 'Javascript Editor';
	} elsif ($filetype eq 'css') {
	$breadcrumbtext = 'CSS Editor';
	} elsif ($filetype eq 'txt') {
	$breadcrumbtext = 'Text Editor';
	} elsif ($filetype eq 'tex') {
	$breadcrumbtext = 'TeX Editor';
	} else {
	$breadcrumbtext = 'HTML Editor';
	}

#	#
# Edit action? Save file.	# Edit action? Save file.
#	#
Line 1625 sub handler {	Line 1690 sub handler {
if ($env{'form.savethisfile'} \|\| $env{'form.viewmode'} \|\| $env{'form.Undo'}) {	if ($env{'form.savethisfile'} \|\| $env{'form.viewmode'} \|\| $env{'form.Undo'}) {
my $html_file=&Apache::lonnet::getfile($file);	my $html_file=&Apache::lonnet::getfile($file);
my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'});	my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'});
	if ($env{'form.savethisfile'}) {
	$env{'form.editmode'}='Edit'; #force edit mode
	}
}	}
}	}
my %mystyle;	my %mystyle;
Line 1633 sub handler {	Line 1701 sub handler {
if ($filecontents eq -1) {	if ($filecontents eq -1) {
my $start_page=&Apache::loncommon::start_page('File Error');	my $start_page=&Apache::loncommon::start_page('File Error');
my $end_page=&Apache::loncommon::end_page();	my $end_page=&Apache::loncommon::end_page();
my $fnf=&mt('File not found');	my $errormsg='<p class="LC_error">'
	.&mt('File not found: [_1]'
	,'<span class="LC_filename">'.$file.'</span>')
	.'</p>';
$result=(<<ENDNOTFOUND);	$result=(<<ENDNOTFOUND);
$start_page	$start_page
<b>$fnf: $file</b>	$errormsg
$end_page	$end_page
ENDNOTFOUND	ENDNOTFOUND
$filecontents='';	$filecontents='';
if ($env{'request.state'} ne 'published') {	if ($env{'request.state'} ne 'published') {
if ($filetype eq 'sty') {	if ($filetype eq 'sty') {
$filecontents=&createnewsty();	$filecontents=&createnewsty();
} else {	} elsif ($filetype eq 'js') {
	$filecontents=&createnewjs();
	} elsif ($filetype ne 'css' && $filetype ne 'txt' && $filetype ne 'tex') {
$filecontents=&createnewhtml();	$filecontents=&createnewhtml();
}	}
$env{'form.editmode'}='Edit'; #force edit mode	$env{'form.editmode'}='Edit'; #force edit mode
Line 1659 ENDNOTFOUND	Line 1732 ENDNOTFOUND
['editmode']);	['editmode']);
}	}
if (!$env{'form.editmode'} \|\| $env{'form.viewmode'} \|\| $env{'form.discardview'}) {	if (!$env{'form.editmode'} \|\| $env{'form.viewmode'} \|\| $env{'form.discardview'}) {
&Apache::structuretags::reset_problem_globals();	if ($filetype eq 'html' \|\| $filetype eq 'sty') {
$result = &Apache::lonxml::xmlparse($request,$target,$filecontents,	&Apache::structuretags::reset_problem_globals();
'',%mystyle);	$result = &Apache::lonxml::xmlparse($request,$target,
	$filecontents,'',%mystyle);
# .html files may contain <problem> or <Task> need to clean	# .html files may contain <problem> or <Task> need to clean
# up if it did	# up if it did
&Apache::structuretags::reset_problem_globals();	&Apache::structuretags::reset_problem_globals();
&Apache::lonhomework::finished_parsing();	&Apache::lonhomework::finished_parsing();
	} elsif ($filetype eq 'tex') {
	$result = &Apache::lontexconvert::converted(\$filecontents,
	$env{'form.texengine'});
	if ($env{'form.return_only_error_and_warning_counts'}) {
	$result = "$errorcount:$warningcount";
	}
	} else {
	$result = $filecontents;
	}
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['rawmode']);	['rawmode']);
if ($env{'form.rawmode'}) { $result = $filecontents; }	if ($env{'form.rawmode'}) { $result = $filecontents; }
if ($filetype eq 'sty') {	if (($filetype ne 'html') &&
my $controls =	(!$env{'form.return_only_error_and_warning_counts'})) {
($env{'request.state'} eq 'construct') ? &Apache::londefdef::edit_controls()	my $nochgview = 1;
: '';	my $controls = '';
my %options = ('bgcolor' => '#FFFFFF');	if ($env{'request.state'} eq 'construct') {
$result =	$controls = &Apache::loncommon::head_subbox(
&Apache::loncommon::start_page(undef,undef,\%options).	&Apache::loncommon::CSTR_pageheader()
$controls.	.&Apache::londefdef::edit_controls($nochgview));
$result.	}
&Apache::loncommon::end_page();	if ($filetype ne 'sty' && $filetype ne 'tex') {
}	$result =~ s/</</g;
}	$result =~ s/>/>/g;
	$result = '<table class="LC_sty_begin">'.
	'<tr><td><b><pre>'.$result.
	'</pre></b></td></tr></table>';
	}
	my $brcrum;
	if ($env{'request.state'} eq 'construct') {
	$brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
	'text' => 'Construction Space'},
	{'href' => '',
	'text' => $breadcrumbtext}];
	} else {
	$brcrum = ''; # FIXME: Where are we?
	}
	my %options = ('bread_crumbs' => $brcrum,
	'bgcolor' => '#FFFFFF');
	$result =
	&Apache::loncommon::start_page(undef,undef,\%options)
	.$controls
	.$result
	.&Apache::loncommon::end_page();
	}
	}
}	}

#	#
Line 1689 ENDNOTFOUND	Line 1794 ENDNOTFOUND
unless ($env{'request.state'} eq 'published') {	unless ($env{'request.state'} eq 'published') {
if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))	if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))
{	{
	my ($displayfile,$url,$symb,$itemtitle);
	$displayfile=$request->uri;
	if ($request->uri =~ m{^/uploaded/}) {
	($symb,$itemtitle,$displayfile) =
	&get_courseupload_hierarchy($request->uri);
	} else {
	$displayfile=~s/^\/[^\/]*//;
	}

my ($edit_info, $add_to_onload, $add_to_onresize)=	my ($edit_info, $add_to_onload, $add_to_onresize)=
&inserteditinfo($filecontents,$filetype);	&inserteditinfo($filecontents,$filetype,$displayfile,$symb,$itemtitle);

my $displayfile=$request->uri;
$displayfile=~s/^\/[^\/]*//;
my %options =	my %options =
('add_entries' =>	('add_entries' =>
{'onresize' => $add_to_onresize,	{'onresize' => $add_to_onresize,
'onload' => $add_to_onload, });	'onload' => $add_to_onload, });
	my $header;
if ($env{'environment.remote'} ne 'off') {	if ($env{'request.state'} eq 'construct') {
$options{'bgcolor'} = '#FFFFFF';	$options{'bread_crumbs'} = [{
$options{'only_body'} = 1;	'href' => &Apache::loncommon::authorspace($request->uri),
}	'text' => 'Construction Space'},
	{'href' => '',
	'text' => $breadcrumbtext}];
	$header = &Apache::loncommon::head_subbox(
	&Apache::loncommon::CSTR_pageheader());
	}
my $js =	my $js =
&Apache::edit::js_change_detection().	&Apache::edit::js_change_detection().
&Apache::loncommon::resize_textarea_js();	&Apache::loncommon::resize_textarea_js();
my $start_page = &Apache::loncommon::start_page(undef,$js,	my $start_page = &Apache::loncommon::start_page(undef,$js,
\%options);	\%options);
$result=$start_page.	$result = $start_page
&Apache::lonxml::message_location().'<h3>'.	.$header
$displayfile.	.&Apache::lonxml::message_location()
'</h3>'.	.$edit_info
$edit_info.	.&Apache::loncommon::end_page();
&Apache::loncommon::end_page();	}
}
}	}
if ($filetype eq 'html') { &writeallows($request->uri); }	if ($filetype eq 'html') { &writeallows($request->uri); }

&Apache::lonxml::add_messages(\$result);	&Apache::lonxml::add_messages(\$result);
$request->print($result);	$request->print($result);

Line 1732 sub display_title {	Line 1848 sub display_title {
$title = $env{'request.filename'};	$title = $env{'request.filename'};
$title = substr($title, rindex($title, '/') + 1);	$title = substr($title, rindex($title, '/') + 1);
}	}
$result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA Construction Space';</script>";	$result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA "
	.&mt('Construction Space')."';</script>";
}	}
return $result;	return $result;
}	}

	sub get_courseupload_hierarchy {
	my ($url) = @_;
	my ($symb,$itemtitle,$displaypath);
	if ($env{'request.course.id'}) {
	$symb = &Apache::lonnet::symbread($url);
	my ($map,$id,$res)=&Apache::lonnet::decode_symb($symb);
	my $navmap=Apache::lonnavmaps::navmap->new;
	if (ref($navmap)) {
	my $res = $navmap->getBySymb($symb);
	if (ref($res)) {
	my @pathitems =
	&Apache::loncommon::get_folder_hierarchy($navmap,$map,1);
	$itemtitle = $res->compTitle();
	push(@pathitems,$itemtitle);
	$displaypath = join(' » ',@pathitems);
	}
	}
	}
	return ($symb,$itemtitle,$displaypath);
	}

sub debug {	sub debug {
if ($Apache::lonxml::debug eq "1") {	if ($Apache::lonxml::debug eq "1") {
$\|=1;	$\|=1;
Line 1753 sub debug {	Line 1891 sub debug {
}	}

sub show_error_warn_msg {	sub show_error_warn_msg {
if ($env{'request.filename'} eq '/home/httpd/html/res/lib/templates/simpleproblem.problem' &&	if (($env{'request.filename'} eq
&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {	$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/lib/templates/simpleproblem.problem') &&
	(&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
return 1;	return 1;
}	}
return (($Apache::lonxml::debug eq 1) \|\|	return (($Apache::lonxml::debug eq 1) \|\|
Line 1769 sub error {	Line 1908 sub error {

$errorcount++;	$errorcount++;

	$Apache::lonxml::internal_error=1;

if (defined($Apache::inputtags::part)) {	if (defined($Apache::inputtags::part)) {
if ( @Apache::inputtags::response ) {	if ( @Apache::inputtags::response ) {
push(@errors,	push(@errors,
Line 1785 sub error {	Line 1926 sub error {
if ( &show_error_warn_msg() ) {	if ( &show_error_warn_msg() ) {
# If printing in construction space, put the error inside <pre></pre>	# If printing in construction space, put the error inside <pre></pre>
push(@Apache::lonxml::error_messages,	push(@Apache::lonxml::error_messages,
$Apache::lonxml::warnings_error_header.	$Apache::lonxml::warnings_error_header
"<b>ERROR:</b>".join("<br />\n",@errors)."<br />\n");	.'<div class="LC_error">'
	.'<b>'.&mt('ERROR:').' </b>'.join("<br />\n",@errors)
	."</div>\n");
$Apache::lonxml::warnings_error_header='';	$Apache::lonxml::warnings_error_header='';
} else {	} else {
my $errormsg;	my $errormsg;
my ($symb)=&Apache::lonnet::symbread();	my ($symb)=&Apache::lonnet::symbread();
if ( !$symb ) {	if ( !$symb ) {
#public or browsers	#public or browsers
$errormsg=&mt("An error occured while processing this resource. The author has been notified.");	$errormsg=&mt("An error occurred while processing this resource. The author has been notified.");
}	}
my $host=$Apache::lonnet::perlvar{'lonHostID'};	my $host=$Apache::lonnet::perlvar{'lonHostID'};
push(@errors, "The error occurred on host <tt>$host</tt>");	push(@errors,
	&mt("The error occurred on host [_1]",
	"<tt>$host</tt>"));

my $msg = join('<br />', @errors);	my $msg = join('<br />', @errors);

Line 1812 sub error {	Line 1957 sub error {
my @userlist;	my @userlist;
foreach (keys %users) {	foreach (keys %users) {
my ($user,$domain) = split(/:/, $_);	my ($user,$domain) = split(/:/, $_);
push(@userlist,"$user\@$domain");	push(@userlist,"$user:$domain");
my $key=$declutter.'_'.$user.'_'.$domain;	my $key=$declutter.'_'.$user.'_'.$domain;
my %lastnotified=&Apache::lonnet::get('nohist_xmlerrornotifications',	my %lastnotified=&Apache::lonnet::get('nohist_xmlerrornotifications',
[$key],	[$key],
Line 1830 sub error {	Line 1975 sub error {
}	}
}	}
if ($env{'request.role.adv'}) {	if ($env{'request.role.adv'}) {
$errormsg=&mt("An error occured while processing this resource. The course personnel ([_1]) and the author have been notified.",join(', ',@userlist));	$errormsg=&mt("An error occurred while processing this resource. The course personnel ([_1]) and the author have been notified.",join(', ',@userlist));
} else {	} else {
$errormsg=&mt("An error occured while processing this resource. The instructor has been notified.");	$errormsg=&mt("An error occurred while processing this resource. The instructor has been notified.");
}	}
}	}
push(@Apache::lonxml::error_messages,"<b>$errormsg</b> <br />");	push(@Apache::lonxml::error_messages,"<span class=\"LC_warning\">$errormsg</span><br />");
}	}
}	}

Line 1845 sub warning {	Line 1990 sub warning {
if ($env{'form.grade_target'} ne 'tex') {	if ($env{'form.grade_target'} ne 'tex') {
if ( &show_error_warn_msg() ) {	if ( &show_error_warn_msg() ) {
push(@Apache::lonxml::warning_messages,	push(@Apache::lonxml::warning_messages,
$Apache::lonxml::warnings_error_header.	$Apache::lonxml::warnings_error_header
"<b>W</b>ARNING<b>:</b>".join('<br />',@_)."<br />\n");	.'<div class="LC_warning">'
	.&mt('[_1]W[_2]ARNING','<b>','</b>')."<b>:</b> ".join('<br />',@_)
	."</div>\n"
	);
$Apache::lonxml::warnings_error_header='';	$Apache::lonxml::warnings_error_header='';
}	}
}	}
Line 1940 sub register_insert_xml {	Line 2088 sub register_insert_xml {
while (my $token = $parser->get_token()) {	while (my $token = $parser->get_token()) {
if ($token->[0] eq 'S') {	if ($token->[0] eq 'S') {
my $key;	my $key;
if ($token->[1] eq 'tag') {	if ($token->[1] eq 'tag') {
$tag = $token->[2]{'name'};	$tag = $token->[2]{'name'};
$insertlist{"$tagnum.tag"} = $tag;	if (defined($tag)) {
$insertlist{"$tag.num"} = $tagnum;	$insertlist{$tagnum.'.tag'} = $tag;
push(@alltags,$tag);	$insertlist{$tag.'.num'} = $tagnum;
	push(@alltags,$tag);
	}
} elsif ($in_help && $token->[1] eq 'file') {	} elsif ($in_help && $token->[1] eq 'file') {
$key = $tag.'.helpfile';	$key = $tag.'.helpfile';
} elsif ($in_help && $token->[1] eq 'description') {	} elsif ($in_help && $token->[1] eq 'description') {
Line 1976 sub register_insert_xml {	Line 2126 sub register_insert_xml {

# parse the allows and ignore tags set to <show>no</show>	# parse the allows and ignore tags set to <show>no</show>
foreach my $tag (@alltags) {	foreach my $tag (@alltags) {
next if (!exists($insertlist{"$tag.allow"}));	next if (!exists($insertlist{$tag.'.allow'}));
my $allow = $insertlist{"$tag.allow"};	my $allow = $insertlist{$tag.'.allow'};
foreach my $element (split(',',$allow)) {	foreach my $element (split(',',$allow)) {
$element =~ s/(^\s\|\s$ )//gx;	$element =~ s/(^\s\|\s$ )//gx;
if (!exists($insertlist{"$element.show"})	if (!exists($insertlist{$element.'.show'})
\|\| $insertlist{"$element.show"} ne 'no') {	\|\| $insertlist{$element.'.show'} ne 'no') {
push(@{ $insertlist{$tag.'.which'} },$element);	push(@{ $insertlist{$tag.'.which'} },$element);
}	}
}	}
Line 2071 sub get_tag {	Line 2221 sub get_tag {
return $insertlist{"$tagnum.tag"};	return $insertlist{"$tagnum.tag"};
}	}

	############################################################
	# PDF-FORM-METHODS

	=pod

	=item &print_pdf_radiobutton(fieldname, value)

	Returns a latexline to generate a PDF-Form-Radiobutton.
	Note: Radiobuttons with equal names are automaticly grouped
	in a selection-group.

	$fieldname: PDF internalname of the radiobutton(group)
	$value: Value of radiobutton

	=cut
	sub print_pdf_radiobutton {
	my ($fieldname, $value) = @_;
	return '\radioButton[\symbolchoice{circle}]{'
	.$fieldname.'}{10bp}{10bp}{'.$value.'}';
	}


	=pod

	=item &print_pdf_start_combobox(fieldname)

	Starts a latexline to generate a PDF-Form-Combobox with text.

	$fieldname: PDF internal name of the Combobox

	=cut
	sub print_pdf_start_combobox {
	my $result;
	my ($fieldName) = @_;
	$result .= '\begin{tabularx}{\textwidth}{p{2.5cm}X}'."\n";
	$result .= '\comboBox[]{'.$fieldName.'}{2.3cm}{14bp}{'; #

	return $result;
	}


	=pod

	=item &print_pdf_add_combobox_option(options)

	Generates a latexline to add Options to a PDF-Form-ComboBox.

	$option: PDF internal name of the Combobox-Option

	=cut
	sub print_pdf_add_combobox_option {

	my $result;
	my ($option) = @_;

	$result .= '('.$option.')';

	return $result;
	}


	=pod

	=item &print_pdf_end_combobox(text) {

	Returns latexcode to end a PDF-Form-Combobox with text.

	=cut
	sub print_pdf_end_combobox {
	my $result;
	my ($text) = @_;

	$result .= '}&'.$text."\\\\\n";
	$result .= '\end{tabularx}' . "\n";
	$result .= '\hspace{2mm}' . "\n";
	return $result;
	}


	=pod

	=item &print_pdf_hiddenField(fieldname, user, domain)

	Returns a latexline to generate a PDF-Form-hiddenField with userdata.

	$fieldname label for hiddentextfield
	$user: name of user
	$domain: domain of user

	=cut
	sub print_pdf_hiddenfield {
	my $result;
	my ($fieldname, $user, $domain) = @_;

	$result .= '\textField [\F{\FHidden}\F{-\FPrint}\V{'.$domain.'&'.$user.'}]{'.$fieldname.'}{0in}{0in}'."\n";

	return $result;
	}

1;	1;
__END__	__END__

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