loncom/homework/structuretags.pm - diff

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Diff for /loncom/homework/structuretags.pm between versions 1.325 and 1.465.2.1

version 1.325, 2005/11/21 22:16:38	version 1.465.2.1, 2010/05/18 21:03:15
Line 27	Line 27
#	#
###	###

	=pod

	=head1 NAME

	Apache::structuretags

	=head1 SYNOPSIS


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


	=head1 NOTABLE SUBROUTINES

	=over

	=item

	=back

	=cut


package Apache::structuretags;	package Apache::structuretags;

Line 36 use Apache::File();	Line 59 use Apache::File();
use Apache::lonmenu;	use Apache::lonmenu;
use Apache::lonlocal;	use Apache::lonlocal;
use Apache::lonxml;	use Apache::lonxml;
	use Apache::londefdef;
	use Apache::lonenc();
use Time::HiRes qw( gettimeofday tv_interval );	use Time::HiRes qw( gettimeofday tv_interval );
	use lib '/home/httpd/lib/perl/';
	use LONCAPA;

BEGIN {	BEGIN {
&Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));	&Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
}	}

sub start_web {	sub start_web {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);	if ($target ne 'edit' && $target ne 'modified') {
if ($target eq 'web') {	my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
return $bodytext;	if ($target eq 'web' \|\| $target eq 'webgrade') {
	return $bodytext;
	}
	} elsif ($target eq "edit" ) {
	my $bodytext =
	&Apache::lonxml::get_all_text_unbalanced("/web",$parser);
	my $result = &Apache::edit::tag_start($target,$token);
	$result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
	return $result;
	} elsif ( $target eq "modified" ) {
	return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
}	}
return '';	return '';
}	}
Line 55 sub end_web {	Line 93 sub end_web {
}	}

sub start_tex {	sub start_tex {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';	my $result='';
my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);	if ($target ne 'edit' && $target ne 'modified') {
if ($target eq 'tex') {	my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
return $bodytext.' ';	if ($target eq 'tex') {

	# If inside a table, occurrences of \\ must be removed;
	# else the table blows up.

	if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
	$bodytext =~ s/\\\\//g;
	}
	return $bodytext.'{}';
	}
	} elsif ($target eq "edit" ) {
	my $bodytext =
	&Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
	my $result = &Apache::edit::tag_start($target,$token);
	$result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
	return $result;
	} elsif ( $target eq "modified" ) {
	return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
}	}
return $result;;	return $result;;
}	}
Line 68 sub end_tex {	Line 123 sub end_tex {
return '';	return '';
}	}

sub body_tag_start {	sub homework_js {
my ($target,$background,$bgcolor)=@_;	return &Apache::loncommon::resize_textarea_js().
my $body_tag_start='<body onload="'.&Apache::lonmenu::loadevents().'" '.	&setmode_javascript().
'onunload="'.&Apache::lonmenu::unloadevents().'" ';	<<'JS';
if ($env{'browser.imagesuppress'} eq 'on') { $background=''; }	<script type="text/javascript">
if ($background) {	function setSubmittedPart (part) {
&Apache::lonxml::extlink($background);	this.document.lonhomework.submitted.value="part_"+part;
$body_tag_start.='background="'.$background.'" ';	}
} else {
if (($bgcolor) && ($env{'browser.blackwhite'} ne 'on')) {	function image_response_click (which, e) {
$body_tag_start.='bgcolor="'.$bgcolor.'" ';	init_geometry();
} else {	if (!e) { e = window.event; } //IE
$body_tag_start.='bgcolor="#ffffff"';	var input_element = document.lonhomework.elements[which];
}	var token_element = document.lonhomework.elements[which+'_token'];
}	var token = token_element.value;
if ($env{'browser.fontenhance'} eq 'on') {	var img_element = document.getElementById(which+'_imageresponse');
$body_tag_start.=' style="font-size: x-large;" ';	var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
}	var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
$body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);	var click = x+':'+y;
	input_element.value = click;
&Apache::lontexconvert::jsMath_reset();	img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
if ($env{'environment.texengine'} eq 'jsMath') {	}
$body_tag_start.=&Apache::lontexconvert::jsMath_header();
}	</script>
return $body_tag_start;	JS
	}

	sub setmode_javascript {
	return <<"ENDSCRIPT";
	<script type="text/javascript">
	function setmode(form,probmode) {
	form.problemmode.value = probmode;
	form.submit();
	}
	</script>
	ENDSCRIPT
}	}

sub page_start {	sub page_start {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
	$extra_head)=@_;
my %found;	my %found;
foreach my $taginside (@$tagstack) {	foreach my $taginside (@$tagstack) {
foreach my $taglookedfor ('html','body','form') {	foreach my $taglookedfor ('html','body','form') {
Line 104 sub page_start {	Line 171 sub page_start {
}	}
}	}

my $result;	if ($target eq 'tex') {
my $head_tag_start;	return
if (!defined($found{'html'})) {	&Apache::londefdef::start_html($target,$token,$tagstack,
$result=&Apache::londefdef::start_html($target,$token,$tagstack,	$parstack,$parser,$safeeval);
$parstack,$parser,$safeeval);	}
$head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target).
&Apache::lonhtmlcommon::htmlareaheaders().	$extra_head .= &homework_js();
&Apache::lonhtmlcommon::spellheader().
&Apache::lonxml::fontsettings();	if ($env{'environment.wysiwygeditor'} eq 'on') {
}	$extra_head .= &Apache::lonhtmlcommon::dragmath_js("FCKEditMathPopup");
my $body_tag_start;	} else {
if (!defined($found{'body'}) && $env{'request.state'} eq 'construct') {	$extra_head .= &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
if ($env{'environment.remote'} eq 'off') {	}
if ($target eq 'web' \|\| $target eq 'edit') {
$body_tag_start=&Apache::loncommon::bodytag();	my %body_args;
$body_tag_start.=&Apache::lonxml::message_location();	if (defined($found{'html'})) {
}	$body_args{'skip_phases'}{'head'}=1;
} else {	} else {
if ($target eq 'web' \|\| $target eq 'edit') {
$body_tag_start=&Apache::loncommon::bodytag(undef,undef,undef,1);	$extra_head .= &Apache::lonhtmlcommon::spellheader();
$body_tag_start.=&Apache::lonxml::message_location();
}	$extra_head .= &Apache::londefdef::generate_css_links();

	if ($env{'request.state'} eq 'construct') {
	$extra_head.=&Apache::edit::js_change_detection().
	"<script type=\"text/javascript\">\n".
	"if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
	&Apache::loncommon::browser_and_searcher_javascript().
	"\n</script>\n";
	}
	}

	my $pageheader = '';
	if (defined($found{'body'})) {
	$body_args{'skip_phases'}{'body'}=1;
	} elsif (!defined($found{'body'})
	&& $env{'request.state'} eq 'construct') {
	if ($target eq 'web' \|\| $target eq 'edit') {
	if ($env{'environment.remote'} ne 'off') {
	$body_args{'only_body'} = 1;
	}
	# Breadcrumbs for Construction Space
	&Apache::lonhtmlcommon::clear_breadcrumbs();
	&Apache::lonhtmlcommon::add_breadcrumb({
	'text' => 'Construction Space',
	'href' => &Apache::loncommon::authorspace(),
	});
	# breadcrumbs (and tools) will be created
	# in start_page->bodytag->innerregister

	# FIXME Where are we?
	# &Apache::lonhtmlcommon::add_breadcrumb({
	# 'text' => 'Problem Editing', # 'Problem Testing'
	# 'href' => '',
	# });
	$pageheader =&Apache::loncommon::head_subbox(
	&Apache::loncommon::CSTR_pageheader());
}	}
} elsif (!defined($found{'body'})) {	} elsif (!defined($found{'body'})) {
	my %add_entries;
my $background=&Apache::lonxml::get_param('background',$parstack,	my $background=&Apache::lonxml::get_param('background',$parstack,
$safeeval);	$safeeval);
	if ($background ne '' ) {
	$add_entries{'background'} = $background;
	}

my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,	my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
$safeeval);	$safeeval);
$body_tag_start=&body_tag_start($target,$background,$bgcolor);	if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
if ( ($target eq 'web' \|\| $target eq 'webgrade')
&& $env{'request.state'} ne 'construct') {	$body_args{'bgcolor'} = $bgcolor;
my ($symb,undef,undef,undef,$publicuser)=	# $body_args{'no_title'} = 1;
&Apache::lonxml::whichuser();	$body_args{'force_register'} = 1;
if ($symb eq '' && !$publicuser) {	$body_args{'add_entries'} = \%add_entries;
my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");	if ($env{'environment.remote'} eq 'off'
$help=&mt("Browsing resource, all submissions are temporary.")."<br />";	&& $env{'request.state'} eq 'construct') {
$body_tag_start.=$help;	$body_args{'only_body'} = 1;
}	}
}
$body_tag_start.=&Apache::lonxml::message_location();
}	}
	$body_args{'no_auto_mt_title'} = 1;
	my $page_start = &Apache::loncommon::start_page($name,$extra_head,
	\%body_args);
	$page_start .= $pageheader;
	if (!defined($found{'body'})
	&& $env{'request.state'} ne 'construct'
	&& ($target eq 'web' \|\| $target eq 'webgrade')) {

	my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
	if ($symb eq '' && !$publicuser) {
	$page_start .= '<p class="LC_info">'
	.&mt('Browsing resource, all submissions are temporary.')
	.'</p>';
	}
	}

	if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
	$page_start .= &Apache::lonxml::message_location();
	}

my $form_tag_start;	my $form_tag_start;
if (!defined($found{'form'})) {	if (!defined($found{'form'})) {
$form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="POST" action="';	$form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
my $uri=$env{'request.uri'};	my $uri = &Apache::loncommon::inhibit_menu_check(
if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }	&Apache::lonenc::check_encrypt($env{'request.uri'}));
$form_tag_start.=$uri.'">';	$uri = &HTML::Entities::encode($uri,'<>&"');
	$form_tag_start.=$uri.'" ';
	if ($target eq 'edit') {
	$form_tag_start.=&Apache::edit::form_change_detection();
	}
	$form_tag_start.='>'."\n";

	my $symb=&Apache::lonnet::symbread();
	if ($symb =~ /\S/) {
	$symb=
	&HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
	$form_tag_start.=
	"\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
	}
}	}
return ($result,$head_tag_start,$body_tag_start,$form_tag_start);	return ($page_start,$form_tag_start);
}	}

#use Time::HiRes();	#use Time::HiRes();
sub get_resource_name {	sub get_resource_name {
my ($parstack,$safeeval)=@_;	my ($parstack,$safeeval)=@_;
	my $name;
if (defined($Apache::lonhomework::name)) {	if (defined($Apache::lonhomework::name)) {
return $Apache::lonhomework::name;	$name = $Apache::lonhomework::name;
}	} else {
my ($symb)=&Apache::lonxml::whichuser();	my ($symb)=&Apache::lonnet::whichuser();
my $name=&Apache::lonnet::gettitle($symb);	$name=&Apache::lonnet::gettitle($symb);
if ($name eq '') {	if ($name eq '') {
$name=&Apache::lonnet::EXT('resource.title');	$name=&Apache::lonnet::EXT('resource.title');
if ($name eq 'con_lost') { $name = ''; }	if ($name eq 'con_lost') { $name = ''; }
}	}
if ($name!~/\S+/) {	if ($name!~/\S+/) {
$name=$env{'request.uri'};	$name=$env{'request.uri'};
$name=~s-.*/([^/]+)$-$1-;	$name=~s-.*/([^/]+)$-$1-;
	}
	# The name has had html tags escaped:

	$name=~s/</</gs;
	$name=~s/>/>/gs;

	$Apache::lonhomework::name=$name;
}	}
$Apache::lonhomework::name=$name;
return $name;	return $name;
}	}

sub setup_rndseed {	sub setup_rndseed {
my ($safeeval)=@_;	my ($safeeval)=@_;
my $rndseed;	my $rndseed;
my ($symb)=&Apache::lonxml::whichuser();	my ($symb)=&Apache::lonnet::whichuser();
if ($env{'request.state'} eq "construct" \|\| $symb eq '' \|\|	if ($env{'request.state'} eq "construct"
$Apache::lonhomework::history{'resource.CODE'}) {	\|\| $symb eq ''
	\|\| $Apache::lonhomework::type eq 'practice'
	\|\| $Apache::lonhomework::history{'resource.CODE'}) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['rndseed']);	['rndseed']);
$rndseed=$env{'form.rndseed'};	$rndseed=$env{'form.rndseed'};
Line 191 sub setup_rndseed {	Line 338 sub setup_rndseed {
}	}
$env{'form.rndseed'}=$rndseed;	$env{'form.rndseed'}=$rndseed;
}	}
if ($env{'form.resetdata'} eq &mt('New Problem Variation') \|\|	if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
	&& $env{'form.submitted'} eq 'yes') \|\|
$env{'form.newrandomization'} eq &mt('New Randomization')) {	$env{'form.newrandomization'} eq &mt('New Randomization')) {
srand(time);	srand(time);
$rndseed=int(rand(2100000000));	$rndseed=int(rand(2100000000));
Line 220 sub remember_problem_state {	Line 368 sub remember_problem_state {
<input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';	<input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
}	}

	sub problem_edit_buttons {
	return '
	<div class="LC_edit_problem_discards">
	<input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
	' onclick="javscript:setmode(this.form,'."'discard'".')" />
	<input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
	<input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
	</div>
	<div class="LC_edit_problem_saves">
	<input type="submit" name="submitbutton" accesskey="s" value="'.&mt('Save and Edit').'" />
	<input type="submit" name="submitbutton" accesskey="v" value="'.&mt('Save and View').'" />
	</div>';
	}

sub problem_edit_header {	sub problem_edit_header {
return '<input type="hidden" name="submitted" value="edit" />'.	return '<input type="hidden" name="submitted" value="edit" /><input type="hidden" name="problemmode" value="edit" />'.
&Apache::structuretags::remember_problem_state().'	&Apache::structuretags::remember_problem_state().'
<input type="hidden" name="problemmode" value="'.&mt('Edit').'" />	<div class="LC_edit_problem_header">
<input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />	<div class="LC_edit_problem_header_title">
<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />	'.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
<input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />	</div>'.
<input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />	&problem_edit_buttons().'
<input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.	<hr style="clear:both;" />
&Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')	'.&Apache::lonxml::message_location().'
.'</td></tr></table>'.	</div>
'<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';	'.
	'<table border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
}	}

sub problem_edit_footer {	sub problem_edit_footer {
return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />	return '</td></tr></table><br />
<input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />'.	<div class="LC_edit_problem_footer">
&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).	<hr />'.
"\n</form>\n".&Apache::loncommon::endbodytag()."\n</html>";	&problem_edit_buttons().'
	<hr style="clear:both;" />
	</div>
	'.

	&Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
	"\n</form>\n".&Apache::loncommon::end_page();
}	}

sub option {	sub option {
Line 253 sub option {	Line 422 sub option {

sub problem_web_to_edit_header {	sub problem_web_to_edit_header {
my ($rndseed)=@_;	my ($rndseed)=@_;
my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />';	my $result .= '<div class="LC_edit_problem_header">';

if (!$Apache::lonhomework::parsing_a_task) {	if (!$Apache::lonhomework::parsing_a_task) {
$result .= '<input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />';	$result .=
	'<div class="LC_edit_problem_header_title">'.
	&mt('Problem Testing').
	&Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
	'</div>';
	} else {
	$result .=
	'<div class="LC_edit_problem_header_title">'.
	&mt('Task Testing').
	'</div>';
}	}
$result .= '<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
<input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
<input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
<nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
<input type="text" name="rndseed" size="10" value="'.
$rndseed.'"
onchange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
<label><input type="checkbox" name="showallfoils" ';
my $show_all_foils_text =	my $show_all_foils_text =
($Apache::lonhomework::parsing_a_task) ?	($Apache::lonhomework::parsing_a_task) ?
&mt(' Show All Instances')	&mt('Show All Instances')
: &mt(' Show All Foils');	: &mt('Show All Foils');

	my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
	.'<input type="checkbox" name="showallfoils"';
	if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
	$show_all.= ' /> '.$show_all_foils_text
	.'</label></span>';



if (defined($env{'form.showallfoils'})) { $result.='checked="on"'; }	$result .= '<div class="LC_edit_problem_header_status_row">';
$result.= ' />'.$show_all_foils_text.
&Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
'</label><hr />';
if (!$Apache::lonhomework::parsing_a_task) {	if (!$Apache::lonhomework::parsing_a_task) {
$result.="	$result.="
<nobr>	<div class='LC_edit_problem_header_row1'>
Problem Status:	<span class=\"LC_nobreak\">
	".&mt("Problem Status:")."
<select name='problemstate'>	<select name='problemstate'>
<option value=''></option>	<option value=''></option>
".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>	".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
Line 286 Problem Status:	Line 464 Problem Status:
".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>	".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>	".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
</select>	</select>
</nobr>	</span>
<nobr>	<span class=\"LC_nobreak\">
Problem Type:	".&mt("Problem Type:")."
<select name='problemtype'>	<select name='problemtype'>
<option value=''></option>	<option value=''></option>
".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>	".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
".&option('problem','problemtype').&mt("Homework problem")."</option>	".&option('problem','problemtype').&mt("Homework Problem")."</option>
".&option('survey' ,'problemtype').&mt("Survey Question")."</option>	".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
	".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
	".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
	".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
	".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
</select>	</select>
</nobr>	</span>
<nobr>	$show_all
Feedback Mode:	</div>
	<div class='LC_edit_problem_header_row2'>
	<span class=\"LC_nobreak\">
	".&mt("Feedback Mode:")."
<select name='problemstatus'>	<select name='problemstatus'>
<option value=''></option>	<option value=''></option>
".&option('yes','problemstatus').&mt("Show Feedback")."</option>	".&option('yes','problemstatus').&mt("Show Feedback")."</option>
".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>	".&option('no', 'problemstatus').&mt("Don't Show Incorect/Correct Feedback")."</option>
	".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
</select>	</select>
</nobr>	</span>
<input type='submit' name='changeproblemmode' value='".&mt("Change")."' />	";
<hr />";
	} elsif ($Apache::lonhomework::parsing_a_task) {
	$result.="
	<div class='LC_edit_problem_header_row1'>
	<span class=\"LC_nobreak\">
	".&mt("Problem Status:")."
	<select name='problemstate'>
	<option value=''></option>
	".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
	".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
	".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
	".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
	</select>
	</span>
	$show_all
	";
	}
	$result.='
	<span class="LC_nobreak">
	'.&mt('Apply style file: ').'
	<input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
	<a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
	</span>
	</div>
	<div class="LC_edit_problem_header_row1">'.
	&Apache::lonxml::renderingoptions().'
	</div>
	<input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
	<input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
	<input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
	</div>
	<hr />
	<div class="LC_edit_problem_header_randomize_row">
	<input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
	<input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
	<input type="text" name="rndseed" size="10" value="'.
	$rndseed.'"
	onchange="javascript:document.lonhomework.changerandseed.click()" />';

	if (!$Apache::lonhomework::parsing_a_task) {
my $numtoanalyze=$env{'form.numtoanalyze'};	my $numtoanalyze=$env{'form.numtoanalyze'};
if (!$numtoanalyze) { $numtoanalyze=20; }	if (!$numtoanalyze) { $numtoanalyze=20; }
$result.= '<input type="submit" name="problemmode" value='.	$result .= '<span class="LC_nobreak">'.
&mt('"Calculate answers').'" /> for	&mt('[_1] for [_2] versions.',
<input type="text" name="numtoanalyze" value="'.	'<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
$numtoanalyze.'" size="5" /> '.&mt('versions of this problem').	'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
'.'.&Apache::loncommon::help_open_topic("Analyze_Problem",	,'<input type="text" name="numtoanalyze" value="'.
'',undef,undef,300).	$numtoanalyze.'" size="5" />').
'<hr />';	&Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
}	'</span>';

	}

	$result.='
	</div>
	<hr />
	<div>';
	$result.='<input type="hidden" name="problemmode" value="view" />';
	$result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
	'onclick="javascript:setmode(this.form,'."'edit'".')" />';
	$result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
	'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
	$result.='
	</div>
	<hr />
	'.&Apache::lonxml::message_location().'
	</div>';
return $result;	return $result;
}	}

sub initialize_storage {	sub initialize_storage {
%Apache::lonhomework::results=();	my ($given_symb) = @_;
%Apache::lonhomework::history=();	undef(%Apache::lonhomework::results);
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();	undef(%Apache::lonhomework::history);
if ($env{'request.state'} eq 'construct' \|\| $symb eq '') {	my ($symb,$courseid,$domain,$name) =
	&Apache::lonnet::whichuser($given_symb);

	# anonymous users (CODEd exams) have no data
	if ($name eq 'anonymous'
	&& !defined($domain)) {
	return;
	}

	if ($env{'request.state'} eq 'construct'
	\|\| $symb eq ''
	\|\| $Apache::lonhomework::type eq 'practice') {

	my $namespace = $symb \|\| $env{'request.uri'};
	if ($env{'form.resetdata'} eq &mt('Reset Submissions') \|\|
	($env{'form.resetdata'} eq &mt('New Problem Variation')
	&& $env{'form.submitted'} eq 'yes') \|\|
	$env{'form.newrandomization'} eq &mt('New Randomization')) {
	&Apache::lonnet::tmpreset($namespace,'',$domain,$name);
	&Apache::lonxml::debug("Attempt reset");
	}
%Apache::lonhomework::history=	%Apache::lonhomework::history=
&Apache::lonnet::tmprestore($env{'request.uri'},'',$domain,$name);	&Apache::lonnet::tmprestore($namespace,'',$domain,$name);
my ($temp)=keys %Apache::lonhomework::history ;	my ($temp)=keys %Apache::lonhomework::history ;
&Apache::lonxml::debug("Return message of $temp");	&Apache::lonxml::debug("Return message of $temp");
} else {	} else {
%Apache::lonhomework::history=	%Apache::lonhomework::history=
&Apache::lonnet::restore($symb,$courseid,$domain,$name);	&Apache::lonnet::restore($symb,$courseid,$domain,$name);
}	}

#ignore error conditions	#ignore error conditions
my ($temp)=keys %Apache::lonhomework::history ;	my ($temp)=keys %Apache::lonhomework::history ;
if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }	if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
}	}

# -------------------------------------------------------------finalize_storage	=pod
# Stores away the result has to a student's environment
# checks form.grade_ for specific values, other wises stores	=item finalize_storage()
# to the running users environment
# Will increment totals for attempts, students, and corrects	Stores away the result has to a student's environment
# if running user has student role.	checks form.grade_ for specific values, other wises stores
	to the running users environment
	Will increment totals for attempts, students, and corrects
	if running user has student role.

	=cut


sub finalize_storage {	sub finalize_storage {
	my ($given_symb) = @_;
my $result;	my $result;
if (%Apache::lonhomework::results) {	if (%Apache::lonhomework::results) {
my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));	my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
delete(@Apache::lonhomework::results{@remove});	delete(@Apache::lonhomework::results{@remove});
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();	my ($symb,$courseid,$domain,$name) =
if ($env{'request.state'} eq 'construct' \|\| $symb eq '') {	&Apache::lonnet::whichuser($given_symb);
	if ($env{'request.state'} eq 'construct'
	\|\| $symb eq ''
	\|\| $Apache::lonhomework::type eq 'practice') {
	my $namespace = $symb \|\| $env{'request.uri'};
$Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};	$Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
$result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,	$result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
$env{'request.uri'},'',$domain,$name);	$namespace,'',$domain,$name);
&Apache::lonxml::debug('Construct Store return message:'.$result);	&Apache::lonxml::debug('Construct Store return message:'.$result);
} else {	} else {
$result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,	$result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
Line 367 sub finalize_storage {	Line 642 sub finalize_storage {
}	}
return $result;	return $result;
}	}
use Data::Dumper;

# -------------------------------------------------------------store_aggregates	=pod
# Sends hash of values to be incremented in nohist_resourcetracker.db
# for the course. Increments total number of attempts, unique students	item store_aggregates()
# and corrects for each part for an instance of a problem, as appropriate.
	Sends hash of values to be incremented in nohist_resourcetracker.db
	for the course. Increments total number of attempts, unique students
	and corrects for each part for an instance of a problem, as appropriate.

	=cut

sub store_aggregates {	sub store_aggregates {
my ($symb,$courseid) = @_;	my ($symb,$courseid) = @_;
my %aggregate;	my %aggregate;
Line 416 sub checkout_msg {	Line 696 sub checkout_msg {
'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',	'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
'checkout'=>'Check out Exam for Viewing',	'checkout'=>'Check out Exam for Viewing',
'checkout?'=>'Check out Exam?');	'checkout?'=>'Check out Exam?');
	my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
return (<<ENDCHECKOUT);	return (<<ENDCHECKOUT);
<h2>$lt{'resource'}</h2>	<h2>$lt{'resource'}</h2>
<p>$lt{'id_expln'}</p>	<p>$lt{'id_expln'}</p>
<font color="red">	<p class="LC_warning">$lt{'warning'}</p>
<p>$lt{'warning'}</p>	<form name="checkout" method="post" action="$uri">
</font>
<form name="checkout" method="POST" action="$env{'request.uri'}">
<input type="hidden" name="doescheckout" value="yes" />	<input type="hidden" name="doescheckout" value="yes" />
<input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />	<input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
</form>	</form>
Line 431 ENDCHECKOUT	Line 710 ENDCHECKOUT

sub firstaccess_msg {	sub firstaccess_msg {
my ($time,$symb)=@_;	my ($time,$symb)=@_;
my ($map)=&Apache::lonnet::decode_symb($symb);	my $result;
my $foldertitle=&Apache::lonnet::gettitle($map);	my @interval=&Apache::lonnet::EXT("resource.0.interval");
&Apache::lonxml::debug("map is $map title is $foldertitle");	if ($interval[1] eq 'map') {
return (<<ENDCHECKOUT);	my ($map)=&Apache::lonnet::decode_symb($symb);
<h2>The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".</h2>	my $foldertitle=&Apache::lonnet::gettitle($map);
<form name="markaccess" method="POST" action="$env{'request.uri'}">
	&Apache::lonxml::debug("map is $map title is $foldertitle");
	$result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
	.' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
	,$foldertitle,$time)."</h2>";
	} elsif ($interval[1] eq 'course') {
	my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
	$result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
	.' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
	,$course,$time)."</h2>";
	} else {
	my $title=&Apache::lonnet::gettitle($symb);
	$result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.'
	.' Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
	,$title,$time)."</h2>";
	}
	my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
	my $buttontext = &mt('Show Resource');
	my $timertext = &mt('Start Timer?');
	$result .= (<<ENDCHECKOUT);
	<form name="markaccess" method="post" action="$uri">
<input type="hidden" name="markaccess" value="yes" />	<input type="hidden" name="markaccess" value="yes" />
<input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />	<input type="button" name="accessbutton" value="$buttontext" onClick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
</form>	</form>
ENDCHECKOUT	ENDCHECKOUT
	return $result;
}	}

sub init_problem_globals {	sub init_problem_globals {
Line 452 sub init_problem_globals {	Line 752 sub init_problem_globals {
if ($type eq 'problem') {	if ($type eq 'problem') {
$Apache::inputtags::part='0';	$Apache::inputtags::part='0';
@Apache::inputtags::partlist=('0');	@Apache::inputtags::partlist=('0');
$Apache::lonhomework::problemstatus=&get_problem_status('0');	&Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
$Apache::lonhomework::ignore_response_errors=0;	$Apache::lonhomework::ignore_response_errors=0;

} elsif ($type eq 'library') {	} elsif ($type eq 'library') {
$Apache::inputtags::part='';	$Apache::inputtags::part='';
@Apache::inputtags::partlist=();	@Apache::inputtags::partlist=();
$Apache::lonhomework::problemstatus='';	&Apache::lonhomework::reset_show_problem_status();
$Apache::lonhomework::ignore_response_errors=1;	$Apache::lonhomework::ignore_response_errors=1;

} elsif ($type eq 'Task') {	} elsif ($type eq 'Task') {
$Apache::inputtags::part='0';	$Apache::inputtags::part='0';
@Apache::inputtags::partlist=('0');	@Apache::inputtags::partlist=('0');
$Apache::lonhomework::problemstatus='';	&Apache::lonhomework::reset_show_problem_status();
$Apache::lonhomework::ignore_response_errors=1;	$Apache::lonhomework::ignore_response_errors=1;
}	}
@Apache::inputtags::responselist = ();	@Apache::inputtags::responselist = ();
Line 477 sub init_problem_globals {	Line 777 sub init_problem_globals {
@Apache::structuretags::whileline=();	@Apache::structuretags::whileline=();
$Apache::lonhomework::scantronmode=0;	$Apache::lonhomework::scantronmode=0;
undef($Apache::lonhomework::name);	undef($Apache::lonhomework::name);
	undef($Apache::lonhomework::default_type);
	undef($Apache::lonhomework::type);
}	}

sub reset_problem_globals {	sub reset_problem_globals {
Line 489 sub reset_problem_globals {	Line 790 sub reset_problem_globals {
#detect if we try to do 2 problems in one file	#detect if we try to do 2 problems in one file
# undef($Apache::lonhomework::parsing_a_problem);	# undef($Apache::lonhomework::parsing_a_problem);
undef($Apache::lonhomework::name);	undef($Apache::lonhomework::name);
	undef($Apache::lonhomework::default_type);
	undef($Apache::lonhomework::type);
	undef($Apache::lonhomework::scantronmode);
	undef($Apache::lonhomework::ignore_response_errors);
	&Apache::lonhomework::reset_show_problem_status();
}	}

sub set_problem_state {	sub set_problem_state {
Line 514 sub get_problem_status {	Line 820 sub get_problem_status {
}	}

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

# We'll use the redirection to fix up printing of duedates.	# We'll use the redirection to fix up printing of duedates.
if (!$Apache::lonxml::metamode) {	if (!$Apache::lonxml::metamode) {
Line 527 sub start_problem {	Line 833 sub start_problem {
if ( $Apache::inputtags::part ne '' \|\|	if ( $Apache::inputtags::part ne '' \|\|
$Apache::lonhomework::parsing_a_problem) {	$Apache::lonhomework::parsing_a_problem) {
&Apache::lonxml::error('Only one <problem> allowed in a .problem file');	&Apache::lonxml::error('Only one <problem> allowed in a .problem file');
#my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);	#my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
return '';	return '';
}	}

Line 538 sub start_problem {	Line 844 sub start_problem {
$Apache::lonhomework::scantronmode=1;	$Apache::lonhomework::scantronmode=1;
}	}

&initialize_storage();
if ($target ne 'analyze') {	if ($target ne 'analyze') {
if ($target eq 'web') {	my $type = &Apache::lonnet::EXT('resource.0.type');
&Apache::lonhomework::showhash(%Apache::lonhomework::history);	$Apache::lonhomework::type=$type;
}
if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
if (($env{'request.state'} eq 'construct') &&	if (($env{'request.state'} eq 'construct') &&
defined($env{'form.problemtype'})) {	$env{'form.problemtype'} =~ /\S/) {
$Apache::lonhomework::type=$env{'form.problemtype'};	$Apache::lonhomework::type=$env{'form.problemtype'};
}	}
&Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");	&Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
}	}
if ($Apache::lonhomework::type eq '' ) {	if ($Apache::lonhomework::type eq '' ) {
my $uri=$env{'request.uri'};	my $uri=$env{'request.uri'};
Line 563 sub start_problem {	Line 865 sub start_problem {
}	}
$Apache::lonhomework::default_type = $Apache::lonhomework::type;	$Apache::lonhomework::default_type = $Apache::lonhomework::type;

	&initialize_storage();
	if ($target ne 'analyze'
	&& $env{'request.state'} eq 'construct') {
	&set_problem_state('0');
	}

	if ($target eq 'web') {
	&Apache::lonxml::debug(" grading history ");
	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
	}

#added vars to the scripting enviroment	#added vars to the scripting enviroment
my $expression='$external::part=\''.$Apache::inputtags::part.'\';';	my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
$expression.='$external::type=\''.$Apache::lonhomework::type.'\';';	$expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
Line 570 sub start_problem {	Line 883 sub start_problem {
my $status;	my $status;
my $accessmsg;	my $accessmsg;

#should get back a <html> or the neccesary stuff to start XML/MathML	my $name= &get_resource_name($parstack,$safeeval);
my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=	my ($result,$form_tag_start);
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);	if ($target eq 'web' \|\| $target eq 'webgrade' \|\| $target eq 'tex'
	\|\| $target eq 'edit') {
	($result,$form_tag_start) =
	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
	$name);
	}

if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}	if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}

if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }	if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
Line 587 sub start_problem {	Line 906 sub start_problem {
$Apache::lonhomework::history{"resource.0.outtoken"}=	$Apache::lonhomework::history{"resource.0.outtoken"}=
$token;	$token;
}	}
$body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);	$result.=&Apache::lonxml::printtokenheader($target,$token);
}	}
if ($env{'form.markaccess'}) {	if ($env{'form.markaccess'}) {
&Apache::lonnet::set_first_access('map');	my @interval=&Apache::lonnet::EXT("resource.0.interval");
	&Apache::lonnet::set_first_access($interval[1]);
}	}
#handle rand seed in construction space	#handle rand seed in construction space
my $rndseed=&setup_rndseed($safeeval);	my $rndseed=&setup_rndseed($safeeval);
my ($symb)=&Apache::lonxml::whichuser();	my ($symb)=&Apache::lonnet::whichuser();
if ($env{'request.state'} ne "construct" && $symb eq '') {	if ($env{'request.state'} ne "construct" &&
	($symb eq '' \|\| $Apache::lonhomework::type eq 'practice')) {
$form_tag_start.='<input type="hidden" name="rndseed" value="'.	$form_tag_start.='<input type="hidden" name="rndseed" value="'.
$rndseed.'" />'.	$rndseed.'" />'.
'<input type="submit" name="resetdata"	'<input type="submit" name="resetdata"
value="'.&mt('New Problem Variation').'" />'.	value="'.&mt('New Problem Variation').'" />';
	if (exists($env{'form.username'})) {
	$form_tag_start.=
'<input type="hidden" name="username"	'<input type="hidden" name="username"
value="'.$env{'form.username'}.'" />';	value="'.$env{'form.username'}.'" />';
if ($env{'user.adv'}) {	}
$form_tag_start.=	if ($env{'request.role.adv'}) {
' <label><input type="checkbox" name="showallfoils" ';	$form_tag_start.= ' <label class="LC_nobreak">'
	.'<input type="checkbox" name="showallfoils"';
if (defined($env{'form.showallfoils'})) {	if (defined($env{'form.showallfoils'})) {
$form_tag_start.='checked="on"';	$form_tag_start.=' checked="checked"';
}	}
$form_tag_start.= ' />'.&mt(' Show All Foils').	$form_tag_start.= ' /> '
'</label>';	.&mt('Show All Foils')
	.'</label>';
}	}
	if ($Apache::lonhomework::type eq 'practice') {
	$form_tag_start.=&practice_problem_header();
	}
$form_tag_start.='<hr />';	$form_tag_start.='<hr />';
}	}

Line 630 sub start_problem {	Line 958 sub start_problem {
( $status eq 'UNAVAILABLE') \|\|	( $status eq 'UNAVAILABLE') \|\|
( $status eq 'NOT_IN_A_SLOT') \|\|	( $status eq 'NOT_IN_A_SLOT') \|\|
( $status eq 'INVALID_ACCESS')) {	( $status eq 'INVALID_ACCESS')) {
my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
	$style);
if ( $target eq "web" ) {	if ( $target eq "web" ) {
$result.= $head_tag_start.'</head>';	my $msg;
my $msg=$body_tag_start;
if ($status eq 'UNAVAILABLE') {	if ($status eq 'UNAVAILABLE') {
$msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';	$msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
	} elsif ($status eq 'NOT_IN_A_SLOT') {
	$msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
} elsif ($status ne 'NOT_YET_VIEWED') {	} elsif ($status ne 'NOT_YET_VIEWED') {
$msg.='<h1>'.&mt('Not open to be viewed').'</h1>';	$msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
}	}
if ($status eq 'CLOSED' \|\| $status eq 'INVALID_ACCESS') {	if ($status eq 'CLOSED' \|\| $status eq 'INVALID_ACCESS') {
$msg.='The problem '.$accessmsg;	$msg.=&mt('The problem ').$accessmsg;
} elsif ($status eq 'UNCHECKEDOUT') {	} elsif ($status eq 'UNCHECKEDOUT') {
$msg.=&checkout_msg;	$msg.=&checkout_msg();
} elsif ($status eq 'NOT_YET_VIEWED') {	} elsif ($status eq 'NOT_YET_VIEWED') {
$msg.=&firstaccess_msg($accessmsg,$symb);	$msg.=&firstaccess_msg($accessmsg,$symb);
} elsif ($status eq 'NOT_IN_A_SLOT') {	} elsif ($status eq 'NOT_IN_A_SLOT') {
$msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");	$msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
}	}
$result.=$msg.'<br />';	$result.=$msg.'<br />';
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';	my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
	: '\begin{minipage}{\textwidth}';
	$result.='\noindent \vskip 1 mm '.
	$startminipage.'\vskip 0 mm';
if ($status eq 'UNAVAILABLE') {	if ($status eq 'UNAVAILABLE') {
$result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';	$result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
} else {	} else {
Line 658 sub start_problem {	Line 991 sub start_problem {
}	}
}	}
} elsif ($status eq 'NEEDS_CHECKIN') {	} elsif ($status eq 'NEEDS_CHECKIN') {
my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
	$style);
if ($target eq 'web') {	if ($target eq 'web') {
$result .= $head_tag_start.'</head>';	$result .=
$result .= $body_tag_start;	&Apache::bridgetask::proctor_validation_screen($slot);
$result .= &Apache::bridgetask::proctor_validation_screen();
} elsif ($target eq 'grade') {	} elsif ($target eq 'grade') {
&Apache::bridgetask::proctor_check_auth($slot_name,$slot,	&Apache::bridgetask::proctor_check_auth($slot_name,$slot,
'problem');	'problem');
}	}
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
my $name= &get_resource_name($parstack,$safeeval);	if ($status eq 'CAN_ANSWER'
$result.="$head_tag_start<title>$name</title></head>	&& $slot_name ne ''
$body_tag_start \n $form_tag_start".	&& $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
	# unproctored slot access, self checkin
	&Apache::bridgetask::check_in('problem',undef,undef,
	$slot_name);
	}
	$result.="\n $form_tag_start \t".
'<input type="hidden" name="submitted" value="yes" />';	'<input type="hidden" name="submitted" value="yes" />';
# create a page header and exit	# create a page header and exit
if ($env{'request.state'} eq "construct") {	if ($env{'request.state'} eq "construct") {
$result.= &problem_web_to_edit_header($env{'form.rndseed'});	$result.= &problem_web_to_edit_header($env{'form.rndseed'});
	if ($Apache::lonhomework::type eq 'practice') {
	$result.= '<input type="submit" name="resetdata" '.
	'value="'.&mt('New Problem Variation').'" />'.
	&practice_problem_header().'<hr />';
	}
}	}
# if we are viewing someone else preserve that info	# if we are viewing someone else preserve that info
if (defined $env{'form.grade_symb'}) {	if (defined $env{'form.grade_symb'}) {
Line 688 sub start_problem {	Line 1031 sub start_problem {

}	}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.	$result .= $form_tag_start.&problem_edit_header();
&problem_edit_header();
$Apache::lonxml::warnings_error_header=	$Apache::lonxml::warnings_error_header=
&mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";	&mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
my $temp=&Apache::edit::insertlist($target,$token);	my $temp=&Apache::edit::insertlist($target,$token);
$result.=$temp;	$result.=$temp;
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
$result=$token->[4];	$result=$token->[4];
$result.=&Apache::edit::handle_insert();
} else {	} else {
# page_start returned a starting result, delete it if we don't need it	# page_start returned a starting result, delete it if we don't need it
$result = '';	$result = '';
Line 710 sub end_problem {	Line 1051 sub end_problem {

if (!$Apache::lonxml::metamode) {	if (!$Apache::lonxml::metamode) {
$result = &Apache::lonxml::endredirection(); #started in &start_problem	$result = &Apache::lonxml::endredirection(); #started in &start_problem
	$Apache::lonxml::post_evaluate=0;
}	}

if ($target eq 'tex') {	if ($target eq 'tex') {

# Figure out the front matter and replace the	# Figure out the front matter and replace the
# INSERTTEXFRONTMATTERHERE in result with it. note that we do	# INSERTTEXFRONTMATTERHERE in result with it. note that we do
# this in end_problem because whether or not we display due	# this in end_problem because whether or not we display due
Line 742 sub end_problem {	Line 1083 sub end_problem {
$allow_print_points=0;	$allow_print_points=0;
}	}
my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');	my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
my $begin_doc='\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$env{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent ';	my $begin_doc=' \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$env{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent ';
my $toc_line='\vskip 1 mm\noindent '.$startminipage.	my $toc_line='\vskip 1 mm\noindent '.$startminipage.
'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';	'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';

Line 752 sub end_problem {	Line 1093 sub end_problem {

my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");	my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
my $duedate = POSIX::strftime("%c",localtime($duetime));	my $duedate = POSIX::strftime("%c",localtime($duetime));
	my $duedate_text = &mt('Due date: [_1]'
	,&Apache::lonlocal::locallocaltime($duetime));
my $temp_file;	my $temp_file;
my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";	my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";

Line 783 sub end_problem {	Line 1126 sub end_problem {
if (not $env{'request.symb'} =~ m/\.page_/) {	if (not $env{'request.symb'} =~ m/\.page_/) {
if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {	if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
$frontmatter .= $begin_doc.	$frontmatter .= $begin_doc.
'\textit{Due date: '.$duedate.'} '.$toc_line;	'\textit{'.$duedate_text.'} '.$toc_line;
} else {	} else {
$frontmatter.= $begin_doc.$toc_line;	$frontmatter.= $begin_doc.$toc_line;
if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}	if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
	$frontmatter .= '\fbox{\textit{'.$weight.' pt}}';
	}
}	}
} else {	} else {
$frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';	$frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
}	}
} else {	} else {
if (not $env{'request.symb'} =~ m/\.page_/) {	if (not $env{'request.symb'} =~ m/\.page_/) {
$frontmatter .= $begin_doc.$toc_line;	$frontmatter .= $begin_doc.$toc_line;
if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}	if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
	$frontmatter .= '\fbox{\textit{'.$weight.' pt}}';
	}
} else {	} else {
$frontmatter .= '\vskip 1mm \\\\\\\\';	$frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
}	}
}	}
$result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;	$result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
Line 830 sub end_problem {	Line 1177 sub end_problem {
if ($target ne 'tex' &&	if ($target ne 'tex' &&
$env{'form.answer_output_mode'} ne 'tex') {	$env{'form.answer_output_mode'} ne 'tex') {
$result.="</form>";	$result.="</form>";
$result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);	$result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
}	}
if ($target eq 'web') {	if ($target eq 'web') {
$result.=&Apache::lonxml::xmlend().'</html>';	$result.= &Apache::loncommon::end_page({'discussion' => 1});
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
my $endminipage = '';	my $endminipage = '';
if (not $env{'form.problem_split'}=~/yes/) {	if (not $env{'form.problem_split'}=~/yes/) {
Line 841 sub end_problem {	Line 1188 sub end_problem {
}	}
if ($env{'form.print_discussions'} eq 'yes') {	if ($env{'form.print_discussions'} eq 'yes') {
$result.=&Apache::lonxml::xmlend($target,$parser);	$result.=&Apache::lonxml::xmlend($target,$parser);
$result=~s/<\/html>//;
} else {	} else {
$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';	$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
if (not $env{'request.symb'} =~ m/\.page_/) {	if (not $env{'request.symb'} =~ m/\.page_/) {
$result .= $endminipage.'\end{document} ';	$result .= $endminipage.'\end{document} ';
} else {	} else {
$result .= '';	$result .= $endminipage;
}	}
}	}
}	}
Line 858 sub end_problem {	Line 1204 sub end_problem {
}	}
if ($target eq 'answer' && ($env{'request.state'} eq 'construct')	if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
&& $env{'form.answer_output_mode'} ne 'tex') {	&& $env{'form.answer_output_mode'} ne 'tex') {
$result.=&Apache::lonxml::xmlend().'</html>';	$result.=&Apache::loncommon::end_page({'discussion' => 1});
# normally we get it from above, but in CSTR	# normally we get it from above, but in CSTR
# we always show answer mode too.	# we always show answer mode too.
}	}
Line 874 sub end_problem {	Line 1220 sub end_problem {
$result .= &problem_edit_footer();	$result .= &problem_edit_footer();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
$result .= $token->[2];	$result .= $token->[2];
$result.=&Apache::edit::handle_insertafter($token->[1]);
}	}

if ($env{'request.state'} eq 'construct' && $target eq 'web') {	if ($env{'request.state'} eq 'construct' && $target eq 'web') {
Line 889 sub end_problem {	Line 1234 sub end_problem {

sub start_library {	sub start_library {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my ($result,$head_tag_start,$body_tag_start,$form_tag_start);	my ($result,$form_tag_start);
if ($$tagstack[0] eq 'library') {	if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
&init_problem_globals('library');	&init_problem_globals('library');
$Apache::lonhomework::type='problem';	$Apache::lonhomework::type='problem';
}	}
if ($target eq 'edit') {	if ($target eq 'edit') {
($result,$head_tag_start,$body_tag_start,$form_tag_start)=	($result,$form_tag_start)=
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.	'Edit');
&problem_edit_header();	$result.=$form_tag_start.&problem_edit_header();
my $temp=&Apache::edit::insertlist($target,$token);	my $temp=&Apache::edit::insertlist($target,$token);
$result.=$temp;	$result.=$temp;
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
$result=$token->[4];	$result=$token->[4];
$result.=&Apache::edit::handle_insert();	} elsif (($target eq 'web' \|\| $target eq 'webgrade')
} elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&	&& ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
$env{'request.state'} eq "construct" ) {	&& $env{'request.state'} eq "construct" ) {
($result,$head_tag_start,$body_tag_start,$form_tag_start)=
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
my $name=&get_resource_name($parstack,$safeeval);	my $name=&get_resource_name($parstack,$safeeval);
	($result,$form_tag_start)=
	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
	$name);
my $rndseed=&setup_rndseed($safeeval);	my $rndseed=&setup_rndseed($safeeval);
$result.="$head_tag_start<title>$name</title></head>	$result.=" \n $form_tag_start".
$body_tag_start \n $form_tag_start".
'<input type="hidden" name="submitted" value="yes" />';	'<input type="hidden" name="submitted" value="yes" />';
$result.=&problem_web_to_edit_header($rndseed);	$result.=&problem_web_to_edit_header($rndseed);
	if ($Apache::lonhomework::type eq 'practice') {
	$result.= '<input type="submit" name="resetdata" '.
	'value="'.&mt('New Problem Variation').'" />'.
	&practice_problem_header().'<hr />';
	}
}	}
return $result;	return $result;
}	}
Line 923 sub end_library {	Line 1273 sub end_library {
my $result='';	my $result='';
if ($target eq 'edit') {	if ($target eq 'edit') {
$result=&problem_edit_footer();	$result=&problem_edit_footer();
} elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&	} elsif ($target eq 'web'
$env{'request.state'} eq "construct") {	&& ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
$result.='</form>'.&Apache::loncommon::endbodytag().	&& $env{'request.state'} eq "construct") {
&Apache::lonxml::xmlend();	$result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
	}
	if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
	&reset_problem_globals('library');
}	}
if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
return $result;	return $result;
}	}

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

my $result;	my $result;

my $name = $token->[2]->{'name'};	my $name = $token->[2]->{'name'};
my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);	my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
if ($name=~/^\//) {	if ($target eq 'web') {
$result=	if ($name=~/^\//) {
'<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';	$result=
} else {	'<br /><table class="LC_sty_end"><tr><th>'.
$result=	&mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
'<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';	} else {
	$result=
	'<br /><table class="LC_sty_begin"><tr><th>'.
	&mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
	}
	$skip = &HTML::Entities::encode($skip, '<>&"');
	$result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
}	}
$skip=~s/\</\&lt\;/gs;
$skip=~s/\>/\&gt\;/gs;
$result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
return $result;	return $result;
}	}

Line 961 sub start_block {	Line 1316 sub start_block {

my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $code = $token->[2]->{'condition'};	my $code = $token->[2]->{'condition'};
if (defined($code)) {	if (defined($code) && $code ne '') {
if (!$Apache::lonxml::default_homework_loaded) {	if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);	&Apache::lonxml::default_homework_load($safeeval);
}	}
Line 1005 sub start_languageblock {	Line 1360 sub start_languageblock {

my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $include = $token->[2]->{'include'};	my $include = $token->[2]->{'include'};
my $exclude = $token->[2]->{'exclude'};	my $exclude = $token->[2]->{'exclude'};
my %languages=&Apache::loncommon::display_languages();	my @preferred_languages=&Apache::lonlocal::preferred_languages();
$result='1';	# This should not even happen, since we should at least have the server language
if ($include) {	if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
$result='';	# Now loop over all languages in order of preference
foreach (split(/\,/,$include)) {	foreach my $preferred_language (@preferred_languages) {
if ($languages{$_}) { $result='1'; }	# If the languageblock has no arguments, show the contents
}	$result=1;
}	my $found=0;
if ($exclude) {	# Do we have an include argument?
foreach (split(/\,/,$exclude)) {	if ($include) {
if ($languages{$_}) { $result='0'; }	# If include is specified, by default, don't render the block
}	$result=0;
}	foreach my $included_language (split(/\,/,$include)) {
	# ... but if my preferred language is included, render it
	if ($included_language eq $preferred_language) {
	$result=1;
	$found=1;
	}
	}
	}
	# Do we have an exclude argument?
	if ($exclude) {
	$result=1;
	foreach my $excluded_language (split(/\,/,$exclude)) {
	if ($excluded_language eq $preferred_language) {
	$result=0;
	$found=1;
	}
	}
	}
	if ($found) { last; }
	}
if ( ! $result ) {	if ( ! $result ) {
my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,	my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
$style);	$style);
Line 1053 sub end_languageblock {	Line 1427 sub end_languageblock {
return $result;	return $result;
}	}

	{
	my %available_texts;
	sub start_translated {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	&Apache::lonxml::register('Apache::structuretags',('lang'));
	undef(%available_texts);
	}

	sub end_translated {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	my $result;
	#show the translation on viewable targets
	if ($target eq 'web' \|\| $target eq 'tex' \|\| $target eq 'webgrade'\|\|
	# or non-viewable targets, if it's embedded in something that
	# wants the output
	(($target eq 'answer' \|\| $target eq 'analyze'\|\| $target eq 'grade')
	&& &Apache::lonxml::in_redirection() ) ) {
	my @possibilities = keys(%available_texts);
	my $which =
	&Apache::loncommon::languages(\@possibilities) \|\| 'default';
	$result = $available_texts{$which};
	}
	undef(%available_texts);
	&Apache::lonxml::deregister('Apache::structuretags',('lang'));
	return $result;
	}


	sub start_lang {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
	&Apache::lonxml::startredirection();
	}
	return '';
	}

	sub end_lang {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
	my $result = &Apache::lonxml::endredirection();
	my $which = &Apache::lonxml::get_param('which',$parstack,
	$safeeval);
	if ($which=~/\w/) {
	$available_texts{$which} = $result;
	}
	my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
	$safeeval);
	foreach my $language (split(/\s\,\s/,$otherlangs)) {
	if ($language=~/\w/) {
	$available_texts{$language} = $result;
	}
	}

	}
	return '';
	}
	}

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

my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
$result=($env{'request.role'}=~/^(in\|cc\|au\|ca\|li)/);	$result=($env{'request.role'}=~/^(in\|cc\|co\|au\|ca\|li)/);
if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {	if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
my $skip=&Apache::lonxml::get_all_text("/instructorcomment",	my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
$parser,$style);	$parser,$style);
Line 1084 sub end_instructorcomment {	Line 1518 sub end_instructorcomment {
}	}

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

my $result;	my $result;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $code = $token->[2]->{'condition'};	my $code = $token->[2]->{'condition'};

push( @Apache::structuretags::whileconds, $code);	push( @Apache::structuretags::whileconds, $code);
Line 1096 sub start_while {	Line 1530 sub start_while {
&Apache::lonxml::default_homework_load($safeeval);	&Apache::lonxml::default_homework_load($safeeval);
}	}
my $result = &Apache::run::run($code,$safeeval);	my $result = &Apache::run::run($code,$safeeval);
my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
push( @Apache::structuretags::whilebody, $bodytext);	push( @Apache::structuretags::whilebody, $bodytext);
push( @Apache::structuretags::whileline, $token->[5]);	push( @Apache::structuretags::whileline, $token->[5]);
&Apache::lonxml::debug("s code $code got -$result-");	&Apache::lonxml::debug("s code $code got -$result-");
Line 1120 sub end_while {	Line 1554 sub end_while {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $code = pop(@Apache::structuretags::whileconds);	my $code = pop(@Apache::structuretags::whileconds);
my $bodytext = pop(@Apache::structuretags::whilebody);	my $bodytext = pop(@Apache::structuretags::whilebody);
my $line = pop(@Apache::structuretags::whileline);	my $line = pop(@Apache::structuretags::whileline);
Line 1131 sub end_while {	Line 1565 sub end_while {
while ($return) {	while ($return) {
if (time-$starttime >	if (time-$starttime >
$Apache::lonnet::perlvar{'lonScriptTimeout'}) {	$Apache::lonnet::perlvar{'lonScriptTimeout'}) {
#$return = 0; $error=1; next;	$return = 0; $error=1; next;
}	}
$result.=&Apache::scripttag::xmlparse($bodytext);	$result.=&Apache::scripttag::xmlparse($bodytext);
	if ($target eq 'grade' \|\| $target eq 'answer' \|\|
	$target eq 'analyze') {
	# grade/answer/analyze should produce no output but if we
	# are redirecting, the redirecter should know what to do
	# with the output
	if (!$Apache::lonxml::redirection) { undef($result); }
	}
$return = &Apache::run::run($code,$safeeval);	$return = &Apache::run::run($code,$safeeval);
}	}
if ($error) {	if ($error) {
&Apache::lonxml::error('<pre>'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occured while running <while> on line').' '.$line.'</pre>');	&Apache::lonxml::error('<pre>'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occurred while running <while> on line').' '.$line.'</pre>');
}	}
} elsif ($target eq "edit") {	} elsif ($target eq "edit") {
$result.= &Apache::edit::tag_end($target,$token,'');	$result.= &Apache::edit::tag_end($target,$token,'');
Line 1152 sub end_while {	Line 1593 sub end_while {
# ...	# ...
# </randomlist>	# </randomlist>
sub start_randomlist {	sub start_randomlist {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;	my $result;
if ($target eq 'answer' \|\| $target eq 'grade' \|\| $target eq 'web' \|\|	if ($target eq 'answer' \|\| $target eq 'grade' \|\| $target eq 'web' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);	my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
my $b_parser= HTML::LCParser->new(\$body);	my $b_parser= HTML::LCParser->new(\$body);
$b_parser->xml_mode(1);	$b_parser->xml_mode(1);
Line 1191 sub start_randomlist {	Line 1632 sub start_randomlist {
my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);	my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
$showarg--;	$showarg--;
if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }	if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
	if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
	my @currlist;
	my $part = $Apache::inputtags::part;
	if ($part ne '') {
	if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
	my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
	if (!(grep(/^\Q$part\E$/,@currlist))) {
	push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
	}
	} else {
	push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
	}
	}
	}
for(0 .. $show) {	for(0 .. $show) {
$bodytext .= "$randomlist[ $idx_arr[$_] ]";	$bodytext .= "$randomlist[ $idx_arr[$_] ]";
}	}
Line 1245 sub ordered_show_check {	Line 1700 sub ordered_show_check {
}	}

sub start_part {	sub start_part {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
if (!$Apache::lonxml::metamode) {	if (!$Apache::lonxml::metamode) {
&Apache::lonxml::startredirection(); # we'll use redirection to fix up	&Apache::lonxml::startredirection(); # we'll use redirection to fix up
# duedates.	# duedates.
}	}
my $result='';	my $result='';
my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);	my $id= &Apache::lonxml::get_id($parstack,$safeeval);
if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
$Apache::inputtags::part=$id;	$Apache::inputtags::part=$id;
push(@Apache::inputtags::partlist,$id);	push(@Apache::inputtags::partlist,$id);
@Apache::inputtags::response=();	@Apache::inputtags::response=();
@Apache::inputtags::previous=();	@Apache::inputtags::previous=();
@Apache::inputtags::previous_version=();	@Apache::inputtags::previous_version=();
$Apache::lonhomework::problemstatus=&get_problem_status($id);	&Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
	&Apache::response::reset_params();

my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);	my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
my $newtype=&Apache::lonnet::EXT("resource.$id.type");	my $newtype=&Apache::lonnet::EXT("resource.$id.type");
if ($newtype) { $Apache::lonhomework::type=$newtype; }	if ($newtype) { $Apache::lonhomework::type=$newtype; }
Line 1274 sub start_part {	Line 1730 sub start_part {
} elsif ($target eq 'web' \|\| $target eq 'grade' \|\|	} elsif ($target eq 'web' \|\| $target eq 'grade' \|\|
$target eq 'answer' \|\| $target eq 'tex') {	$target eq 'answer' \|\| $target eq 'tex') {
if ($hidden \|\| !$in_order_show) {	if ($hidden \|\| !$in_order_show) {
my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
} else {	} else {
my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);	my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
push (@Apache::inputtags::status,$status);	push (@Apache::inputtags::status,$status);
Line 1290 sub start_part {	Line 1746 sub start_part {
( $status eq 'BANNED') \|\|	( $status eq 'BANNED') \|\|
( $status eq 'UNAVAILABLE') \|\|	( $status eq 'UNAVAILABLE') \|\|
( $status eq 'INVALID_ACCESS')) {	( $status eq 'INVALID_ACCESS')) {
my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
	$style);
if ( $target eq "web" ) {	if ( $target eq "web" ) {
$result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";	$result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
} elsif ( $target eq 'tex' ) {	} elsif ( $target eq 'tex' ) {
Line 1304 sub start_part {	Line 1761 sub start_part {
if ($target eq 'tex') {	if ($target eq 'tex') {
if (not $env{'form.problem_split'}=~/yes/) {	if (not $env{'form.problem_split'}=~/yes/) {
if ($$tagstack[-2] eq 'td') {	if ($$tagstack[-2] eq 'td') {
$result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';	$result.='\noindent \begin{minipage}{\textwidth}\noindent';
} else {	} else {
$result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';	$result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
}	}
Line 1326 sub start_part {	Line 1783 sub start_part {
'.disableexampointprint'}) eq 'yes') {	'.disableexampointprint'}) eq 'yes') {
$allow_print_points=0;	$allow_print_points=0;
}	}
if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}	if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
	$result .= '\vskip 10mm\fbox{\textit{'.$weight.' pt}}';

	}
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
$result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';	$result.='<a name="'.&escape($Apache::inputtags::part).'" />';
}	}
}	}
}	}
Line 1346 sub start_part {	Line 1806 sub start_part {
#limiting ids to only letters numbers, and space	#limiting ids to only letters numbers, and space
$token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;	$token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
$result = &Apache::edit::rebuild_tag($token);	$result = &Apache::edit::rebuild_tag($token);
$result.=&Apache::edit::handle_insert();
}	}
}	}
return $result;	return $result;
Line 1361 sub end_part {	Line 1820 sub end_part {
my $result;	my $result;
if (!$Apache::lonxml::metamode) {	if (!$Apache::lonxml::metamode) {
$result = &Apache::lonxml::endredirection(); # started in &start_part	$result = &Apache::lonxml::endredirection(); # started in &start_part
	$Apache::lonxml::post_evaluate=0;
}	}
if ($target eq 'grade') {	if ($target eq 'grade') {
if (($status eq 'CAN_ANSWER' \|\| $Apache::lonhomework::scantronmode) &&	if (($status eq 'CAN_ANSWER' \|\| $Apache::lonhomework::scantronmode) &&
Line 1383 sub end_part {	Line 1843 sub end_part {
$result.=&Apache::edit::end_table();	$result.=&Apache::edit::end_table();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
$result .= $token->[2];	$result .= $token->[2];
$result.=&Apache::edit::handle_insertafter($token->[1]);
}	}
pop @Apache::inputtags::status;	pop @Apache::inputtags::status;
$Apache::inputtags::part='';	$Apache::inputtags::part='';
Line 1392 sub end_part {	Line 1851 sub end_part {
}	}

sub start_preduedate {	sub start_preduedate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\| $target eq 'tex') {	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
	$target eq 'tex' \|\| $target eq 'webgrade') {
&Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);	&Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
if (!$Apache::lonhomework::scantronmode &&	if (!$Apache::lonhomework::scantronmode &&
$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&	$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
&Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));	&Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
&Apache::lonxml::get_all_text("/preduedate",$parser);	&Apache::lonxml::get_all_text("/preduedate",$parser,$style);
}	}
}	}
return '';	return '';
Line 1409 sub end_preduedate {	Line 1869 sub end_preduedate {
return '';	return '';
}	}

	# In all the modes where <postanswerdate> text is
	# displayable, all we do is eat up the text between the start/stop
	# tags if the conditions are not right to display it.
sub start_postanswerdate {	sub start_postanswerdate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
if ($target eq 'web' \|\| $target eq 'grade') {	my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) \|\|
	&Apache::lonnet::allowed('pav',
	$env{'request.course.id'}.'/'.$env{'request.course.sec'});
	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'webgrade' \|\|
	$target eq 'tex' ) {
if ($Apache::lonhomework::scantronmode \|\|	if ($Apache::lonhomework::scantronmode \|\|
$Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {	$Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' \|\|
&Apache::lonxml::get_all_text("/postanswerdate",$parser);	(($target eq 'tex') && !$pav)) {
	&Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
}	}
} elsif ($target eq 'tex') {
&Apache::lonxml::get_all_text("/postanswerdate",$parser);
}	}
return '';	return '';
}	}
Line 1427 sub end_postanswerdate {	Line 1893 sub end_postanswerdate {
}	}

sub start_notsolved {	sub start_notsolved {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex') {	$target eq 'tex' \|\| $target eq 'webgrade') {
my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};	my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
&Apache::lonxml::debug("not solved has :$gradestatus:");	&Apache::lonxml::debug("not solved has :$gradestatus:");
if ($gradestatus =~ /^correct/ &&	if ($gradestatus =~ /^correct/ &&
&Apache::response::show_answer()) {	&Apache::response::show_answer()) {
&Apache::lonxml::debug("skipping");	&Apache::lonxml::debug("skipping");
&Apache::lonxml::get_all_text("/notsolved",$parser);	&Apache::lonxml::get_all_text("/notsolved",$parser,$style);
}	}
}	}
return '';	return '';
Line 1446 sub end_notsolved {	Line 1912 sub end_notsolved {
}	}

sub start_solved {	sub start_solved {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex') {	$target eq 'tex') {
my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};	my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
if ($gradestatus !~ /^correct/ \|\|	if ($gradestatus !~ /^correct/ \|\|
!&Apache::response::show_answer()) {	!&Apache::response::show_answer()) {
&Apache::lonxml::get_all_text("/solved",$parser);	&Apache::lonxml::get_all_text("/solved",$parser,$style);
}	}
}	}
return '';	return '';
Line 1463 sub end_solved {	Line 1929 sub end_solved {
}	}

sub start_problemtype {	sub start_problemtype {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;	my $result;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));	my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
if (!defined($mode)) { $mode='show'; }	if (!defined($mode)) { $mode='show'; }
my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);	my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
Line 1475 sub start_problemtype {	Line 1941 sub start_problemtype {
if ($Apache::lonhomework::type eq lc($type)) { $found=1; }	if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
}	}
if ($mode eq 'show' && !$found) {	if ($mode eq 'show' && !$found) {
&Apache::lonxml::get_all_text("/problemtype",$parser);	&Apache::lonxml::get_all_text("/problemtype",$parser,$style);
}	}
if ($mode eq 'hide' && $found) {	if ($mode eq 'hide' && $found) {
&Apache::lonxml::get_all_text("/problemtype",$parser);	&Apache::lonxml::get_all_text("/problemtype",$parser,$style);
}	}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result .=&Apache::edit::tag_start($target,$token);	$result .=&Apache::edit::tag_start($target,$token);
Line 1489 sub start_problemtype {	Line 1955 sub start_problemtype {
$result .=&Apache::edit::checked_arg('When used as type(s):','for',	$result .=&Apache::edit::checked_arg('When used as type(s):','for',
[ ['exam','Exam/Quiz Problem'],	[ ['exam','Exam/Quiz Problem'],
['survey','Survey'],	['survey','Survey'],
['problem','Homework Problem'] ]	['surveycred','Survey (with credit)'],
	['anonsurvey','Anonymous Survey'],
	['anonsurveycred','Anonymous Survey (with credit)'],
	['problem','Homework Problem'],
	['practice','Practice Problem'] ]
,$token);	,$token);
$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
Line 1508 sub start_startouttext {	Line 1978 sub start_startouttext {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my @result=(''.'');	my @result=(''.'');
if ($target eq 'edit' \|\| $target eq 'modified' ) { @result=('','no'); }	if ($target eq 'edit' \|\| $target eq 'modified' ) { @result=('','no'); }

	my $nesting =
	&Apache::lonxml::set_state('outtext',
	&Apache::lonxml::get_state('outtext')+1);
	if ($nesting > 1 && $env{'request.state'} eq 'construct') {
	&Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
	}
return (@result);	return (@result);
}	}

sub end_startouttext {	sub end_startouttext {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';	my $result='';
my $text='';	my $text='';

if ($target eq 'edit') {	if ($target eq 'edit') {
$text=&Apache::lonxml::get_all_text("endouttext",$parser);	my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
$result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>	$text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
<td>".&mt('Delete:').	$result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>"
&Apache::edit::deletelist($target,$token)	.'<td><span class="LC_nobreak">'.&mt('Delete?').' '
."</td>	.&Apache::edit::deletelist($target,$token)
<td>".	.'</span></td>';
&Apache::edit::insertlist($target,$token).	unless ($env{'environment.wysiwygeditor'} eq 'on') {
	$result .= '<td align="left">'
	.&Apache::lonhtmlcommon::dragmath_button($areaid,1)
	.'</td>'
	.'<td>'
	.&Apache::edit::insertlist($target,$token)
	.'</td>';
	}
	$result.='<td align="right" valign="top">' .
	&Apache::loncommon::helpLatexCheatsheet().
&Apache::edit::end_row().	&Apache::edit::end_row().
&Apache::edit::start_spanning_row()."\n"	&Apache::edit::start_spanning_row()."\n".
. &Apache::loncommon::helpLatexCheatsheet () .
&Apache::edit::editfield($token->[1],$text,"",80,8,1);	&Apache::edit::editfield($token->[1],$text,"",80,8,1);
}	}
if ($target eq 'modified') {	if ($target eq 'modified') {
Line 1544 sub start_endouttext {	Line 2028 sub start_endouttext {
if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }	if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
if ($target eq "modified") {	if ($target eq "modified") {
$result='<endouttext />'.	$result='<endouttext />'.
&Apache::edit::handle_insertafter('startouttext'); }	&Apache::edit::handle_insertafter('startouttext');
	}

	my $nesting =
	&Apache::lonxml::set_state('outtext',
	&Apache::lonxml::get_state('outtext')-1);
	if ($nesting < 0 && $env{'request.state'} eq 'construct') {
	&Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
	&Apache::lonxml::set_state('outtext', 0);
	}
return $result;	return $result;
}	}

Line 1556 sub end_endouttext {	Line 2049 sub end_endouttext {
}	}

sub delete_startouttext {	sub delete_startouttext {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
# my $text=&Apache::lonxml::get_all_text("endouttext",$parser);	# my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
my $text=$$parser['-1']->get_text("/endouttext");	my $text=$$parser['-1']->get_text("/endouttext");
my $ntoken=$$parser['-1']->get_token();	my $ntoken=$$parser['-1']->get_token();
&Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");	&Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
Line 1574 sub start_simpleeditbutton {	Line 2067 sub start_simpleeditbutton {
my $result='';	my $result='';
if (($env{'form.simple_edit_button'} ne 'off') &&	if (($env{'form.simple_edit_button'} ne 'off') &&
($target eq 'web') &&	($target eq 'web') &&
(&Apache::lonnet::allowed('srm',$env{'request.course.id'}))) {	(&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
my $url=$env{'request.noversionuri'};	my $url=$env{'request.noversionuri'};
$url=~s/\?.*$//;	$url=~s/\?.*$//;
my ($symb) = &Apache::lonxml::whichuser();	my ($symb) = &Apache::lonnet::whichuser();
$result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.	# Warning makes more sense and is more important on edit screen
'<a href="'.$url.'/smpedit?symb='.&Apache::lonnet::escape($symb).'">'.&mt('Edit').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').	# $result='<p class="LC_warning">'
&Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';	# .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
	# .&Apache::loncommon::help_open_topic('Caching')
	# .'</p>';
	$result.=&Apache::lonhtmlcommon::start_funclist()
	.&Apache::lonhtmlcommon::add_item_funclist(
	'<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
	.&mt('Edit').'</a>')
	.&Apache::lonhtmlcommon::end_funclist();

}	}
return $result;	return $result;
}	}
Line 1589 sub end_simpleeditbutton {	Line 2090 sub end_simpleeditbutton {
return '';	return '';
}	}

	sub practice_problem_header {
	return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
	'<span class="LC_info">'.&mt('Submissions are not permanently recorded').
	'</span>';
	}

1;	1;
__END__	__END__

	=pod

	=back

	=cut

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

Removed from v.1.325
changed lines
	Added in v.1.465.2.1