loncom/homework/structuretags.pm - diff

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Diff for /loncom/homework/structuretags.pm between versions 1.223 and 1.306

version 1.223, 2003/11/04 20:09:18	version 1.306, 2005/10/18 21:46:42
Line 25	Line 25
#	#
# http://www.lon-capa.org/	# http://www.lon-capa.org/
#	#
# 2/19 Guy	###
# 6/26/2001 fixed extra web display at end of <web></web> tags
# 8/17,8/18,8/20 Gerd Kortemeyer


package Apache::structuretags;	package Apache::structuretags;
Line 37 use Apache::lonnet;	Line 35 use Apache::lonnet;
use Apache::File();	use Apache::File();
use Apache::lonmenu;	use Apache::lonmenu;
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::lonxml;
	use Time::HiRes qw( gettimeofday tv_interval );
BEGIN {	BEGIN {
&Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext',	&Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
'simpleeditbutton','definetag'));
}	}

sub start_web {	sub start_web {
Line 70 sub end_tex {	Line 68 sub end_tex {
return '';	return '';
}	}

	sub body_tag_start {
	my ($target,$background,$bgcolor)=@_;
	my $body_tag_start='<body onload="'.&Apache::lonmenu::loadevents().'" '.
	'onunload="'.&Apache::lonmenu::unloadevents().'" ';
	if ($env{'browser.imagesuppress'} eq 'on') { $background=''; }
	if ($background) {
	&Apache::lonxml::extlink($background);
	$body_tag_start.='background="'.$background.'" ';
	} else {
	if (($bgcolor) && ($env{'browser.blackwhite'} ne 'on')) {
	$body_tag_start.='bgcolor="'.$bgcolor.'" ';
	} else {
	$body_tag_start.='bgcolor="#ffffff"';
	}
	}
	if ($env{'browser.fontenhance'} eq 'on') {
	$body_tag_start.=' style="font-size: x-large;" ';
	}
	$body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);

	&Apache::lontexconvert::jsMath_reset();
	if ($env{'environment.texengine'} eq 'jsMath') {
	$body_tag_start.=&Apache::lontexconvert::jsMath_header();
	}
	return $body_tag_start;
	}

sub page_start {	sub page_start {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my %found;	my %found;
Line 84 sub page_start {	Line 109 sub page_start {
if (!defined($found{'html'})) {	if (!defined($found{'html'})) {
$result=&Apache::londefdef::start_html($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);	$head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target).
	&Apache::lonhtmlcommon::htmlareaheaders().
	&Apache::lonhtmlcommon::spellheader().
	&Apache::lonxml::fontsettings();
}	}
my $body_tag_start;	my $body_tag_start;
if (!defined($found{'body'})) {	if (!defined($found{'body'}) && $env{'request.state'} eq 'construct'
$body_tag_start='<body onLoad="'.&Apache::lonmenu::loadevents().'" '.	&& $env{'environment.remote'} eq 'off') {
'onUnload="'.&Apache::lonmenu::unloadevents().'" ';	if ($target eq 'web' \|\| $target eq 'edit') {
	$body_tag_start=&Apache::loncommon::bodytag();
	$body_tag_start.=&Apache::lonxml::message_location();
	}
	} elsif (!defined($found{'body'})) {
my $background=&Apache::lonxml::get_param('background',$parstack,	my $background=&Apache::lonxml::get_param('background',$parstack,
$safeeval);	$safeeval);
if ($ENV{'browser.imagesuppress'} eq 'on') { $background=''; }	my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
if ($background) {	$safeeval);
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=	$body_tag_start=&body_tag_start($target,$background,$bgcolor);
$background;	if ( ($target eq 'web' \|\| $target eq 'webgrade')
$body_tag_start.='background="'.$background.'" ';	&& $env{'request.state'} ne 'construct') {
} else {
my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
$safeeval);
if (($bgcolor) && ($ENV{'browser.blackwhite'} ne 'on')) {
$body_tag_start.='bgcolor="'.$bgcolor.'" ';
} else {
$body_tag_start.='bgcolor="#ffffff"';
}
}
if ($ENV{'browser.fontenhance'} eq 'on') {
$body_tag_start.=' style="font-size: x-large;" ';
}
$body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
my ($symb,undef,undef,undef,$publicuser)=	my ($symb,undef,undef,undef,$publicuser)=
&Apache::lonxml::whichuser();	&Apache::lonxml::whichuser();
if ($symb eq '' && !$publicuser) {	if ($symb eq '' && !$publicuser) {
Line 119 sub page_start {	Line 137 sub page_start {
$body_tag_start.=$help;	$body_tag_start.=$help;
}	}
}	}
	$body_tag_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" method="POST" action="'.	$form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="POST" action="';
$ENV{'request.uri'}.'">';	my $uri=$env{'request.uri'};
	if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
	$form_tag_start.=$uri.'">';
}	}
return ($result,$head_tag_start,$body_tag_start,$form_tag_start);	return ($result,$head_tag_start,$body_tag_start,$form_tag_start);
}	}
Line 134 sub get_resource_name {	Line 155 sub get_resource_name {
if (defined($Apache::lonhomework::name)) {	if (defined($Apache::lonhomework::name)) {
return $Apache::lonhomework::name;	return $Apache::lonhomework::name;
}	}
my $name=&Apache::lonnet::gettitle();	my ($symb)=&Apache::lonxml::whichuser();
	my $name=&Apache::lonnet::gettitle($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-;
}	}
$Apache::lonhomework::name=$name;	$Apache::lonhomework::name=$name;
Line 151 sub setup_rndseed {	Line 173 sub setup_rndseed {
my ($safeeval)=@_;	my ($safeeval)=@_;
my $rndseed;	my $rndseed;
my ($symb)=&Apache::lonxml::whichuser();	my ($symb)=&Apache::lonxml::whichuser();
if ($ENV{'request.state'} eq "construct" \|\| $symb eq '') {	if ($env{'request.state'} eq "construct" \|\| $symb eq '' \|\|
$rndseed=$ENV{'form.rndseed'};	$Apache::lonhomework::history{'resource.CODE'}) {
	$rndseed=$env{'form.rndseed'};
if (!$rndseed) {	if (!$rndseed) {
$rndseed=$Apache::lonhomework::history{'rndseed'};	$rndseed=$Apache::lonhomework::history{'rndseed'};
if (!$rndseed) {	if (!$rndseed) {
$rndseed=time;	$rndseed=time;
$ENV{'form.rndseed'}=$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.newrandomization'} eq &mt('New Randomization')) {	$env{'form.newrandomization'} eq &mt('New Randomization')) {
srand(time);	srand(time);
$rndseed=int(rand(2100000000));	$rndseed=int(rand(2100000000));
$ENV{'form.rndseed'}=$rndseed;	$env{'form.rndseed'}=$rndseed;
delete($ENV{'form.resetdata'});	delete($env{'form.resetdata'});
delete($ENV{'form.newrandomization'});	delete($env{'form.newrandomization'});
}	}
if (defined($rndseed) && $rndseed ne int($rndseed)) {	if (defined($rndseed) && $rndseed ne int($rndseed)) {
$rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));	$rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
}	}
	if ($Apache::lonhomework::history{'resource.CODE'}) {
	$rndseed=&Apache::lonnet::rndseed();
	}
if ($safeeval) {	if ($safeeval) {
&Apache::lonxml::debug("Setting rndseed to $rndseed");	&Apache::lonxml::debug("Setting rndseed to $rndseed");
&Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);	&Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
}	}
}	}
return $rndseed;	return $rndseed;
}	}

	sub remember_problem_state {
	return '
	<input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
	<input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
	<input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
	}

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

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 Edit').'" />
<input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />';	<input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />'.
	&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).
	"\n</form>\n".&Apache::loncommon::endbodytag()."\n</html>";
	}

	sub option {
	my ($value,$name) = @_;
	my $result ="<option value='".$value."' ";
	if ($env{'form.'.$name} eq $value) {
	$result.=" selected='on' ";
	}
	$result.='>';
	return $result;
}	}

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.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />
<input type="submit" name="problemmode" value="'.&mt('Edit').'" />	<input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />
<input type="submit" name="problemmode" value="'.&mt('EditXML').'" />	<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
<input type="submit" name="newrandomization" value="'.&mt('New Randomization').'" />	<input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
<input type="submit" name="resetdata" value="'.&mt('Reset Submissions').'" />	<input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
<nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />	<nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
<input type="text" name="rndseed" width="10" value="'.	<input type="text" name="rndseed" size="10" value="'.
$rndseed.'"	$rndseed.'"
onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>	onchange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
<input type="checkbox" name="showallfoils" ';	<label><input type="checkbox" name="showallfoils" ';
if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }	if (defined($env{'form.showallfoils'})) { $result.='checked="on"'; }
$result.= ' />'.&mt(' Show All Foils').'	$result.= ' />'.&mt(' Show All Foils').
<hr />';	&Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
my $numtoanalyze=$ENV{'form.numtoanalyze'};	'</label><hr />';
	$result.="
	<nobr>
	Problem Status:
	<select name='problemstate'>
	<option value=''></option>
	".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
	".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
	".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
	".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
	".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
	</select>
	</nobr>
	<nobr>
	Problem Type:
	<select name='problemtype'>
	<option value=''></option>
	".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
	".&option('problem','problemtype').&mt("Homework problem")."</option>
	".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
	</select>
	</nobr>
	<nobr>
	Feedback Mode:
	<select name='problemstatus'>
	<option value=''></option>
	".&option('yes','problemstatus').&mt("Show Feedback")."</option>
	".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>
	</select>
	</nobr>
	<input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
	<hr />";
	my $numtoanalyze=$env{'form.numtoanalyze'};
if (!$numtoanalyze) { $numtoanalyze=20; }	if (!$numtoanalyze) { $numtoanalyze=20; }
$result.= '<input type="submit" name="problemmode" value='.	$result.= '<input type="submit" name="problemmode" value='.
&mt('"Calculate answers').'" /> for	&mt('"Calculate answers').'" /> for
Line 226 sub initialize_storage {	Line 306 sub initialize_storage {
%Apache::lonhomework::results=();	%Apache::lonhomework::results=();
%Apache::lonhomework::history=();	%Apache::lonhomework::history=();
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();	my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
if ($ENV{'request.state'} eq 'construct' \|\| $symb eq '') {	if ($env{'request.state'} eq 'construct' \|\| $symb eq '') {
%Apache::lonhomework::history=	%Apache::lonhomework::history=
&Apache::lonnet::tmprestore($ENV{'request.uri'},'',$domain,$name);	&Apache::lonnet::tmprestore($env{'request.uri'},'',$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 {
Line 244 sub initialize_storage {	Line 324 sub initialize_storage {
# Stores away the result has to a student's environment	# Stores away the result has to a student's environment
# checks form.grade_ for specific values, other wises stores	# checks form.grade_ for specific values, other wises stores
# to the running users environment	# to the running users environment
	# Will increment totals for attempts, students, and corrects
	# if running user has student role.
sub finalize_storage {	sub finalize_storage {
my $result;	my $result;
my ($temp) = keys %Apache::lonhomework::results;	if (%Apache::lonhomework::results) {
if ( $temp ne '' ) {
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();	my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
if ($ENV{'request.state'} eq 'construct' \|\| $symb eq '') {	if ($env{'request.state'} eq 'construct' \|\| $symb eq '') {
$Apache::lonhomework::results{'rndseed'}=$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);	$env{'request.uri'},'',$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,
$symb,$courseid,$domain,$name);	$symb,$courseid,$domain,$name);
&Apache::lonxml::debug('Store return message:'.$result);	&Apache::lonxml::debug('Store return message:'.$result);
	if ($env{'request.role'} =~/^st/) {
	&store_aggregates($symb,$courseid);
	}
}	}
}	}
return $result;	return $result;
}	}
	use Data::Dumper;

	# -------------------------------------------------------------store_aggregates
	# 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.
	sub store_aggregates {
	my ($symb,$courseid) = @_;
	my %aggregate;
	my @parts;
	my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
	foreach my $key (keys(%Apache::lonhomework::results)) {
	if ($key =~ /resource\.([^\.]+)\.tries/) {
	push(@parts, $1);
	}
	}
	foreach my $part (@parts) {
	if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
	eq 'APPROX_ANS' \|\|
	$Apache::lonhomework::results{'resource.'.$part.'.award'}
	eq 'EXACT_ANS') {
	$aggregate{$symb."\0".$part."\0correct"} = 1;
	}
	if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
	$aggregate{$symb."\0".$part."\0users"} = 1;
	} else {
	my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
	if ($last_reset) {
	if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
	$aggregate{$symb."\0".$part."\0users"} = 1;
	}
	}
	}
	$aggregate{$symb."\0".$part."\0attempts"} = 1;
	}
	if (keys (%aggregate) > 0) {
	&Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
	$cdomain,$cname);
	}
	}

sub checkout_msg {	sub checkout_msg {
my %lt=&Apache::lonlocal::texthash(	my %lt=&Apache::lonlocal::texthash(
Line 276 sub checkout_msg {	Line 401 sub checkout_msg {
<font color="red">	<font color="red">
<p>$lt{'warning'}</p>	<p>$lt{'warning'}</p>
</font>	</font>
<form name="checkout" method="POST" action="$ENV{'request.uri'}">	<form name="checkout" method="POST" action="$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>
ENDCHECKOUT	ENDCHECKOUT
}	}

	sub firstaccess_msg {
	my ($time,$symb)=@_;
	my ($map)=&Apache::lonnet::decode_symb($symb);
	my $foldertitle=&Apache::lonnet::gettitle($map);
	&Apache::lonxml::debug("map is $map title is $foldertitle");
	return (<<ENDCHECKOUT);
	<h2>The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".</h2>
	<form name="markaccess" method="POST" action="$env{'request.uri'}">
	<input type="hidden" name="markaccess" value="yes" />
	<input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
	</form>
	ENDCHECKOUT
	}

sub init_problem_globals {	sub init_problem_globals {
my ($type)=@_;	my ($type)=@_;
#initialize globals	#initialize 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=	$Apache::lonhomework::problemstatus=&get_problem_status('0');
&Apache::lonnet::EXT('resource.0.problemstatus');	$Apache::lonhomework::ignore_response_errors=0;
} else {	} elsif ($type eq 'library') {
$Apache::inputtags::part='';	$Apache::inputtags::part='';
@Apache::inputtags::partlist=();	@Apache::inputtags::partlist=();
$Apache::lonhomework::problemstatus='';	$Apache::lonhomework::problemstatus='';
	$Apache::lonhomework::ignore_response_errors=1;
	} elsif ($type eq 'Task') {
	$Apache::inputtags::part='0';
	@Apache::inputtags::partlist=('0');
	$Apache::lonhomework::problemstatus='';
	$Apache::lonhomework::ignore_response_errors=1;
}	}
@Apache::inputtags::responselist = ();	@Apache::inputtags::responselist = ();
@Apache::inputtags::importlist = ();	@Apache::inputtags::importlist = ();
Line 320 sub reset_problem_globals {	Line 465 sub reset_problem_globals {
undef($Apache::lonhomework::name);	undef($Apache::lonhomework::name);
}	}

	sub set_problem_state {
	my ($part)=@_;
	if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
	$Apache::lonhomework::history{"resource.$part.solved"}=
	'correct_by_student';
	}
	}

	sub get_problem_status {
	my ($part)=@_;
	my $problem_status;
	if ($env{'request.state'} eq 'construct' &&
	defined($env{'form.problemstatus'})) {
	$problem_status=$env{'form.problemstatus'};
	} else {
	$problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
	&Apache::lonxml::debug("problem status for $part is $problem_status");
	&Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
	}
	return $problem_status;
	}

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

Line 333 sub start_problem {	Line 500 sub start_problem {
$Apache::lonhomework::parsing_a_problem=1;	$Apache::lonhomework::parsing_a_problem=1;
&init_problem_globals('problem');	&init_problem_globals('problem');

if (defined($ENV{'scantron.maxquest'})) {	if (defined($env{'scantron.maxquest'})) {
$Apache::lonhomework::scantronmode=1;	$Apache::lonhomework::scantronmode=1;
}	}

	&initialize_storage();
if ($target ne 'analyze') {	if ($target ne 'analyze') {
&initialize_storage();
if ($target eq 'web') {	if ($target eq 'web') {
&Apache::lonhomework::showhash(%Apache::lonhomework::history);	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
}	}
	if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');	$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
&Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");	if (($env{'request.state'} eq 'construct') &&
	defined($env{'form.problemtype'})) {
	$Apache::lonhomework::type=$env{'form.problemtype'};
	}
	&Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
}	}
if ($Apache::lonhomework::type eq '' ) {	if ($Apache::lonhomework::type eq '' ) {
my $uri=$ENV{'request.uri'};	my $uri=$env{'request.uri'};
if ($uri=~/\.(\w+)$/) {	if ($uri=~/\.(\w+)$/) {
$Apache::lonhomework::type=$1;	$Apache::lonhomework::type=$1;
&Apache::lonxml::debug("Using type of $1");	&Apache::lonxml::debug("Using type of $1");
Line 355 sub start_problem {	Line 527 sub start_problem {
&Apache::lonxml::debug("Using default type, problem, :$uri:");	&Apache::lonxml::debug("Using default type, problem, :$uri:");
}	}
}	}
	$Apache::lonhomework::default_type = $Apache::lonhomework::type;

#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=\''.$Apache::lonhomework::type.'\';';
&Apache::run::run($expression,$safeeval);	&Apache::run::run($expression,$safeeval);
my $status;	my $status;
my $accessmsg;	my $accessmsg;
Line 365 sub start_problem {	Line 539 sub start_problem {
#should get back a <html> or the neccesary stuff to start XML/MathML	#should get back a <html> or the neccesary stuff to start XML/MathML
my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=	my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
if ($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); }
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
Line 374 sub start_problem {	Line 548 sub start_problem {
if ($Apache::lonhomework::type eq 'exam') {	if ($Apache::lonhomework::type eq 'exam') {
my $token=	my $token=
$Apache::lonhomework::history{"resource.0.outtoken"};	$Apache::lonhomework::history{"resource.0.outtoken"};
if (($ENV{'form.doescheckout'}) && (!$token)) {	if (($env{'form.doescheckout'}) && (!$token)) {
$token=&Apache::lonxml::maketoken();	$token=&Apache::lonxml::maketoken();
$Apache::lonhomework::history{"resource.0.outtoken"}=	$Apache::lonhomework::history{"resource.0.outtoken"}=
$token;	$token;
}	}
$body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);	$body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
}	}
	if ($env{'form.markaccess'}) {
	&Apache::lonnet::set_first_access('map');
	}
#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::lonxml::whichuser();
if ($ENV{'request.state'} ne "construct" && $symb eq '') {	if ($env{'request.state'} ne "construct" && $symb eq '') {
$form_tag_start.='<input type="hidden" name="rndseed" value="'.	$form_tag_start.='<input type="hidden" name="rndseed" value="'.
$rndseed.'" />'.	$rndseed.'" />'.
'<input type="submit" name="resetdata"	'<input type="submit" name="resetdata"
value="'.&mt('New Problem Variation').'" />'.	value="'.&mt('New Problem Variation').'" />'.
'<input type="hidden" name="username"	'<input type="hidden" name="username"
value="'.$ENV{'form.username'}.'" /> <br />';	value="'.$env{'form.username'}.'" />';
	if ($env{'user.adv'}) {
	$form_tag_start.=
	' <label><input type="checkbox" name="showallfoils" ';
	if (defined($env{'form.showallfoils'})) {
	$form_tag_start.='checked="on"';
	}
	$form_tag_start.= ' />'.&mt(' Show All Foils').
	'</label>';
	}
	$form_tag_start.='<hr />';
}	}
($status,$accessmsg) = &Apache::lonhomework::check_access('0');	($status,$accessmsg) = &Apache::lonhomework::check_access('0');
push (@Apache::inputtags::status,$status);	push (@Apache::inputtags::status,$status);
Line 401 sub start_problem {	Line 587 sub start_problem {
&Apache::lonxml::debug("Got $status");	&Apache::lonxml::debug("Got $status");
if (( $status eq 'CLOSED' ) \|\|	if (( $status eq 'CLOSED' ) \|\|
( $status eq 'UNCHECKEDOUT') \|\|	( $status eq 'UNCHECKEDOUT') \|\|
	( $status eq 'NOT_YET_VIEWED') \|\|
( $status eq 'BANNED') \|\|	( $status eq 'BANNED') \|\|
( $status eq 'UNAVAILABLE') \|\|	( $status eq 'UNAVAILABLE') \|\|
( $status eq 'INVALID_ACCESS')) {	( $status eq 'INVALID_ACCESS')) {
Line 409 sub start_problem {	Line 596 sub start_problem {
$result.= $head_tag_start.'</head>';	$result.= $head_tag_start.'</head>';
my $msg=$body_tag_start;	my $msg=$body_tag_start;
if ($status eq 'UNAVAILABLE') {	if ($status eq 'UNAVAILABLE') {
$result.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';	$msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
} else {	} elsif ($status ne 'NOT_YET_VIEWED') {
$result.='<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;	$msg.='The problem '.$accessmsg;
} elsif ($status eq 'UNCHECKEDOUT') {	} elsif ($status eq 'UNCHECKEDOUT') {
$msg.=&checkout_msg;	$msg.=&checkout_msg;
	} elsif ($status eq 'NOT_YET_VIEWED') {
	$msg.=&firstaccess_msg($accessmsg,$symb);
}	}
$result.=$msg.'<br />';	$result.=$msg.'<br />';
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
Line 429 sub start_problem {	Line 618 sub start_problem {
}	}
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
my $name= &get_resource_name($parstack,$safeeval);	my $name= &get_resource_name($parstack,$safeeval);
if ($status eq 'CAN_ANSWER') {	$result.="$head_tag_start<title>$name</title></head>
# create a page header and exit
$result.="$head_tag_start<title>$name</title></head>
$body_tag_start \n $form_tag_start".	$body_tag_start \n $form_tag_start".
'<input type="hidden" name="submitted" value="yes" />';	'<input type="hidden" name="submitted" value="yes" />';
if ($ENV{'request.state'} eq "construct") {	# create a page header and exit
$result.= &problem_web_to_edit_header($ENV{'form.rndseed'});	if ($env{'request.state'} eq "construct") {
}	$result.= &problem_web_to_edit_header($env{'form.rndseed'});
# if we are viewing someone else preserve that info	}
if (defined $ENV{'form.grade_symb'}) {	# if we are viewing someone else preserve that info
foreach my $field ('symb','courseid','domain','username') {	if (defined $env{'form.grade_symb'}) {
$result .= '<input type="hidden" name="grade_'.$field.	foreach my $field ('symb','courseid','domain','username') {
'" value="'.$ENV{"form.grade_$field"}.'" />'."\n";	$result .= '<input type="hidden" name="grade_'.$field.
}	'" value="'.$env{"form.grade_$field"}.'" />'."\n";
}	}
} elsif ($status eq 'SHOW_ANSWER' \|\| $status eq 'CANNOT_ANSWER'
\|\| $status eq 'CLOSED' \|\| $status eq 'UNAVALAILABLE' \|\|
$status eq 'INVALID_ACCESS') {
$result.=$head_tag_start.
"<title>$name</title></head>\n$body_tag_start\n";
}	}
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
my $startminipage = '';	my $startminipage = '';
if (not $ENV{'form.problem_split'}=~/yes/) {	if (not $env{'form.problem_split'}=~/yes/) {
$startminipage = '\begin{minipage}{\textwidth}';	$startminipage = '\begin{minipage}{\textwidth}';
}	}
my $id = $Apache::inputtags::part;	my $id = $Apache::inputtags::part;
my $weight = &Apache::lonnet::EXT("resource.$id.weight");	my $weight = &Apache::lonnet::EXT("resource.$id.weight");
my $packages=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');	my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
my @packages = split /,/,$packages;	my @packages = split /,/,$packages;
my $allow_print_points = 0;	my $allow_print_points = 0;
foreach my $partial_key (@packages) {	foreach my $partial_key (@packages) {
if ($partial_key=~m/part_0/) {	if ($partial_key=~m/^part_0$/) {
$allow_print_points=1;	$allow_print_points=1;
}	}
}	}
	my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
	if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
	if (lc($env{'course.'.$env{'request.course.id'}.
	'.disableexampointprint'}) eq 'yes') {
	$allow_print_points=0;
	}
my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");	my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
$duedate = POSIX::strftime("%c",localtime($duedate));	$duedate = POSIX::strftime("%c",localtime($duedate));
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";
if (-e $filename) {	if (-e $filename) {
$temp_file = Apache::File->new($filename);	$temp_file = Apache::File->new($filename);
} else {	} else {
Line 477 sub start_problem {	Line 665 sub start_problem {
my @due_file_content = <$temp_file>;	my @due_file_content = <$temp_file>;
my $due_file_content = $due_file_content[$#due_file_content];	my $due_file_content = $due_file_content[$#due_file_content];
chomp $due_file_content;	chomp $due_file_content;
my $name_of_resourse= &get_resource_name($parstack,$safeeval);	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 $toc_line='\vskip 1 mm\noindent '.$startminipage.
	'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
if ($due_file_content ne $duedate) {	if ($due_file_content ne $duedate) {
$temp_file = Apache::File->new('>'.$filename);	$temp_file = Apache::File->new('>'.$filename);
print $temp_file "$duedate\n";	print $temp_file "$duedate\n";
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') {
$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent\textit{Due date: '.$duedate.'} \vskip 1 mm\noindent '.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';	$result .= $begin_doc.
	'\textit{Due date: '.$duedate.'} '.$toc_line;
} else {	} else {
$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm \noindent'.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';	$result .= $begin_doc.$toc_line;
if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}	if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
}	}
} else {	} else {
$result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';	$result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
}	}
} else {	} else {
if (not $ENV{'request.symb'} =~ m/\.page_/) {	if (not $env{'request.symb'} =~ m/\.page_/) {
$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm\noindent'.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';	$result .= $begin_doc.$toc_line;
if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}	if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
} else {	} else {
$result .= '\vskip 1mm \\\\\\\\';	$result .= '\vskip 1mm \\\\\\\\';
Line 503 sub start_problem {	Line 695 sub start_problem {
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
&problem_edit_header();	&problem_edit_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 />";
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') {
Line 521 sub end_problem {	Line 715 sub end_problem {
my $status=$Apache::inputtags::status['-1'];	my $status=$Apache::inputtags::status['-1'];
if ($target eq 'grade' \|\| $target eq 'web' \|\| $target eq 'answer' \|\|	if ($target eq 'grade' \|\| $target eq 'web' \|\| $target eq 'answer' \|\|
$target eq 'tex') {	$target eq 'tex') {
if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&	if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
$status eq 'CAN_ANSWER' ) {
# if part is zero, no <part>s existed, so we need to the grading	# if part is zero, no <part>s existed, so we need to the grading
&Apache::inputtags::grade;	if ($status eq 'CAN_ANSWER' \|\|$Apache::lonhomework::scantronmode) {
	&Apache::inputtags::grade;
	} else {
	# move any submission data to .hidden
	&Apache::inputtags::hidealldata($Apache::inputtags::part);
	}
} elsif ( ($target eq 'web' \|\| $target eq 'tex') &&	} elsif ( ($target eq 'web' \|\| $target eq 'tex') &&
$Apache::inputtags::part eq '0' &&	$Apache::inputtags::part eq '0' &&
$status ne 'UNCHECKEDOUT') {	$status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
# if part is zero, no <part>s existed, so we need show the current	# if part is zero, no <part>s existed, so we need show the current
# grading status	# grading status
my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);	my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
$result.= $gradestatus;	$result.= $gradestatus;
}	}
if (	if (
(($target eq 'web') && ($ENV{'request.state'} ne 'construct')) \|\|	(($target eq 'web') && ($env{'request.state'} ne 'construct')) \|\|
($target eq 'answer') \|\| ($target eq 'tex')	($target eq 'answer') \|\| ($target eq 'tex')
) {	) {
if ($status eq 'CAN_ANSWER') {	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></body>\n";	$result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
}
} elsif ($status eq 'SHOW_ANSWER' \|\| $status eq 'CANNOT_ANSWER' \|\|
$status eq 'UNCHECKEDOUT' \|\| $status eq 'INVALID_ACCESS') {
if ($target ne 'tex' &&
$ENV{'form.answer_output_mode'} ne 'tex') {
$result.="</body>\n";
}
}	}
if ($target eq 'web') {	if ($target eq 'web') {
$result.=&Apache::lonxml::xmlend();	$result.=&Apache::lonxml::xmlend().'</html>';
} elsif ($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/) {
$endminipage = '\end{minipage}';	$endminipage = '\end{minipage}';
}	}
$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';	if ($env{'form.print_discussions'} eq 'yes') {
if (not $ENV{'request.symb'} =~ m/\.page_/) {	$result.=&Apache::lonxml::xmlend($target,$parser);
$result .= $endminipage.'\end{document} ';	$result=~s/<\/html>//;
} else {	} else {
$result .= '';	$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
	if (not $env{'request.symb'} =~ m/\.page_/) {
	$result .= $endminipage.'\end{document} ';
	} else {
	$result .= '';
	}
}	}
}	}
}	}
Line 568 sub end_problem {	Line 764 sub end_problem {
&Apache::lonhomework::showhash(%Apache::lonhomework::results);	&Apache::lonhomework::showhash(%Apache::lonhomework::results);
&finalize_storage();	&finalize_storage();
}	}
if ($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.='</html>'; # normally we get it from xmlend, but in CSTR	$result.=&Apache::lonxml::xmlend().'</html>';
	# normally we get it from above, but in CSTR
# we always show answer mode too.	# we always show answer mode too.
}	}
} elsif ($target eq 'meta') {	} elsif ($target eq 'meta') {
Line 579 sub end_problem {	Line 776 sub end_problem {
$result=&Apache::response::mandatory_part_meta;	$result=&Apache::response::mandatory_part_meta;
}	}
$result.=&Apache::response::meta_part_order();	$result.=&Apache::response::meta_part_order();
	$result.=&Apache::response::meta_response_order();
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
&Apache::lonxml::debug("in end_problem with $target, edit");	&Apache::lonxml::debug("in end_problem with $target, edit");
$result = &problem_edit_footer();	$result = &problem_edit_footer();
}	}

if ($ENV{'request.state'} eq 'construct' && $target eq 'web') {	if ($env{'request.state'} eq 'construct' && $target eq 'web') {
&Apache::inputtags::check_for_duplicate_ids();	&Apache::inputtags::check_for_duplicate_ids();
}	}

Line 597 sub end_problem {	Line 795 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 ($result,$head_tag_start,$body_tag_start,$form_tag_start);
if ($$tagstack[0] eq 'library') { &init_problem_globals('library') };	if ($$tagstack[0] eq 'library') {
	&init_problem_globals('library');
	$Apache::lonhomework::type='problem';
	}
if ($target eq 'edit') {	if ($target eq 'edit') {
($result,$head_tag_start,$body_tag_start,$form_tag_start)=	($result,$head_tag_start,$body_tag_start,$form_tag_start)=
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
Line 609 sub start_library {	Line 810 sub start_library {
$result=$token->[4];	$result=$token->[4];
$result.=&Apache::edit::handle_insert();	$result.=&Apache::edit::handle_insert();
} elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&	} elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
$ENV{'request.state'} eq "construct" ) {	$env{'request.state'} eq "construct" ) {
($result,$head_tag_start,$body_tag_start,$form_tag_start)=	($result,$head_tag_start,$body_tag_start,$form_tag_start)=
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
my $name=&get_resource_name($parstack,$safeeval);	my $name=&get_resource_name($parstack,$safeeval);
Line 628 sub end_library {	Line 829 sub end_library {
if ($target eq 'edit') {	if ($target eq 'edit') {
$result=&problem_edit_footer();	$result=&problem_edit_footer();
} elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&	} elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
$ENV{'request.state'} eq "construct") {	$env{'request.state'} eq "construct") {
$result.='</form></body>'.&Apache::lonxml::xmlend();	$result.='</form>'.&Apache::loncommon::endbodytag().
	&Apache::lonxml::xmlend();
}	}
if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };	if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
return $result;	return $result;
Line 763 sub start_instructorcomment {	Line 965 sub start_instructorcomment {

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') {
$result=($ENV{'request.role'}=~/^(in\|cc\|au\|ca\|li)/);	$result=($env{'request.role'}=~/^(in\|cc\|au\|ca\|li)/);
if ( ! $result ) {	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);
&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");	&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
Line 834 sub end_while {	Line 1036 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);
$return = &Apache::run::run($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$gt; on line').' '.$line.'</pre>');	&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>');
}	}
} elsif ($target eq "edit") {	} elsif ($target eq "edit") {
$result.= &Apache::edit::tag_end($target,$token,'');	$result.= &Apache::edit::tag_end($target,$token,'');
Line 860 sub start_randomlist {	Line 1062 sub start_randomlist {
if ($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') {
my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);	my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
my $b_parser= HTML::TokeParser->new(\$body);	my $b_parser= HTML::LCParser->new(\$body);
	$b_parser->xml_mode(1);
	$b_parser->marked_sections(1);
my $b_tok;	my $b_tok;
my @randomlist;	my @randomlist;
my $list_item;	my $list_item;
Line 884 sub start_randomlist {	Line 1088 sub start_randomlist {
# print "<b>END-TAG $b_tok->[1]</b><br />";	# print "<b>END-TAG $b_tok->[1]</b><br />";
# }	# }
}	}
my @idx_arr = (0 .. $#randomlist);	if (@randomlist) {
&Apache::structuretags::shuffle(\@idx_arr);	my @idx_arr = (0 .. $#randomlist);
my $bodytext = '';	&Apache::structuretags::shuffle(\@idx_arr);
my $show=$#randomlist;	my $bodytext = '';
my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);	my $show=$#randomlist;
$showarg--;	my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }	$showarg--;
for(0 .. $show) {	if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
$bodytext .= "$randomlist[ $idx_arr[$_] ]";	for(0 .. $show) {
	$bodytext .= "$randomlist[ $idx_arr[$_] ]";
	}
	&Apache::lonxml::newparser($parser,\$bodytext);
}	}
&Apache::lonxml::newparser($parser,\$bodytext);
} elsif ($target eq 'edit' ) {	} elsif ($target eq 'edit' ) {
$result .=&Apache::edit::tag_start($target,$token);	$result .=&Apache::edit::tag_start($target,$token);
$result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',	$result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
Line 911 sub start_randomlist {	Line 1117 sub start_randomlist {
sub shuffle {	sub shuffle {
my $a=shift;	my $a=shift;
my $i;	my $i;
if (defined(@$a)) {	if (ref($a) eq 'ARRAY' && @$a) {
&Apache::response::setrandomnumber();	&Apache::response::pushrandomnumber();
for($i=@$a;--$i;) {	for($i=@$a;--$i;) {
my $j=int(&Math::Random::random_uniform() * ($i+1));	my $j=int(&Math::Random::random_uniform() * ($i+1));
next if $i == $j;	next if $i == $j;
@$a[$i,$j] = @$a[$j,$i];	@$a[$i,$j] = @$a[$j,$i];
}	}
	&Apache::response::poprandomnumber();
}	}
}	}

Line 931 sub end_randomlist {	Line 1138 sub end_randomlist {
return $result;	return $result;
}	}

	sub ordered_show_check {
	my $last_part=$Apache::inputtags::partlist[-2];
	my $in_order=
	&Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
	my $in_order_show=1;
	if ($last_part ne '0' && lc($in_order) eq 'yes') {
	$in_order_show=&Apache::response::check_status($last_part);
	}
	return $in_order_show;
	}

sub start_part {	sub start_part {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result='';	my $result='';
my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);	my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
if ($id eq '') { $id = $Apache::lonxml::curdepth; }	if ($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=	$Apache::lonhomework::problemstatus=&get_problem_status($id);
&Apache::lonnet::EXT("resource.$id.problemstatus");
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");
	if ($newtype) { $Apache::lonhomework::type=$newtype; }
	my $in_order_show=&ordered_show_check();
my $expression='$external::part=\''.$Apache::inputtags::part.'\';';	my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
	$expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
&Apache::run::run($expression,$safeeval);	&Apache::run::run($expression,$safeeval);

if ($target eq 'meta') {	if ($target eq 'meta') {
return &Apache::response::mandatory_part_meta;	my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
	return &Apache::response::mandatory_part_meta.
	&Apache::response::meta_parameter_write('display','string',$display,'Part Description');
} 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) {	if ($hidden \|\| !$in_order_show) {
my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
} else {	} else {
my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);	my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
Line 959 sub start_part {	Line 1182 sub start_part {
my $expression='$external::datestatus="'.$status.'";';	my $expression='$external::datestatus="'.$status.'";';
$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
&Apache::run::run($expression,$safeeval);	&Apache::run::run($expression,$safeeval);
	if ($env{'request.state'} eq 'construct') {
	&set_problem_state($Apache::inputtags::part);
	}
if (( $status eq 'CLOSED' ) \|\|	if (( $status eq 'CLOSED' ) \|\|
( $status eq 'UNCHECKEDOUT') \|\|	( $status eq 'UNCHECKEDOUT') \|\|
	( $status eq 'NOT_YET_VIEWED') \|\|
( $status eq 'BANNED') \|\|	( $status eq 'BANNED') \|\|
( $status eq 'UNAVAILABLE') \|\|	( $status eq 'UNAVAILABLE') \|\|
( $status eq 'INVALID_ACCESS')) {	( $status eq 'INVALID_ACCESS')) {
Line 968 sub start_part {	Line 1195 sub start_part {
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' ) {
if (not $ENV{'form.problem_split'}=~/yes/) {	if (not $env{'form.problem_split'}=~/yes/) {
$result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";	$result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
} else {	} else {
$result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";	$result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
Line 976 sub start_part {	Line 1203 sub start_part {
}	}
} else {	} else {
if ($target eq 'tex') {	if ($target eq 'tex') {
if (not $ENV{'form.problem_split'}=~/yes/) {	if (not $env{'form.problem_split'}=~/yes/) {
$result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';	if ($$tagstack[-2] eq 'td') {
	$result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
	} else {
	$result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
	}
}	}
my $weight = &Apache::lonnet::EXT("resource.$id.weight");	my $weight = &Apache::lonnet::EXT("resource.$id.weight");
my $allkeys=&Apache::lonnet::metadata($ENV{'request.uri'},'keys');	my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
my @allkeys = split /,/,$allkeys;	my @allkeys = split /,/,$allkeys;
my $allow_print_points = 0;	my $allow_print_points = 0;
foreach my $partial_key (@allkeys) {	foreach my $partial_key (@allkeys) {
if ($partial_key=~m/\_(\d*)\_weight/) {	if ($partial_key=~m/^part_(.*)$/) {
if ($1 ne '0') {$allow_print_points=1;}	if ($1 ne '0') {$allow_print_points=1;}
}	}
}	}
	my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
	if (defined($maxtries) && $maxtries < 0) {
	$allow_print_points=0;
	}
	if (lc($env{'course.'.$env{'request.course.id'}.
	'.disableexampointprint'}) eq 'yes') {
	$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 .= '\fbox{\textit{'.$weight.' pt}}';}
	} elsif ($target eq 'web') {
	$result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
}	}
}	}
}	}
Line 996 sub start_part {	Line 1237 sub start_part {
$result.=&Apache::edit::tag_start($target,$token);	$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Part ID:','id',$token).	$result.=&Apache::edit::text_arg('Part ID:','id',$token).
&Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").	&Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
	'  '.
	&Apache::edit::text_arg('Displayed Part Description:','display',$token).
&Apache::edit::end_row().&Apache::edit::start_spanning_row();	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'id');	$safeeval,'id','display');
if ($constructtag) {	if ($constructtag) {
	#limiting ids to only letters numbers, and space
	$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();	$result.=&Apache::edit::handle_insert();
}	}
Line 1013 sub end_part {	Line 1258 sub end_part {
&Apache::lonxml::debug("in end_part $target ");	&Apache::lonxml::debug("in end_part $target ");
my $status=$Apache::inputtags::status['-1'];	my $status=$Apache::inputtags::status['-1'];
my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);	my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
	my $in_order_show=&ordered_show_check();
my $result='';	my $result='';
if ( $target eq 'meta' ) {	if ( $target eq 'meta' ) {
$result='';	$result='';
} elsif ( $target eq 'grade' && $status eq 'CAN_ANSWER' && !$hidden) {	} elsif ($target eq 'grade') {
$result=&Apache::inputtags::grade;	if (($status eq 'CAN_ANSWER' \|\| $Apache::lonhomework::scantronmode) &&
} elsif (($target eq 'web' \|\| $target eq 'tex') && !$hidden ) {	!$hidden && $in_order_show) {
	$result=&Apache::inputtags::grade;
	} else {
	# move any submission data to .hidden
	&Apache::inputtags::hidealldata($Apache::inputtags::part);
	}
	} elsif (($target eq 'web' \|\| $target eq 'tex') &&
	!$hidden && $in_order_show) {
my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,	my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
$target);	$target);
if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {	if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
$gradestatus='';	$gradestatus='';
}	}
$result=$gradestatus;	$result=$gradestatus;
	if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result=&Apache::edit::end_table();	$result=&Apache::edit::end_table();
}	}
pop @Apache::inputtags::status;	pop @Apache::inputtags::status;
$Apache::inputtags::part='';	$Apache::inputtags::part='';
	$Apache::lonhomework::type = $Apache::lonhomework::default_type;
return $result;	return $result;
}	}

sub start_preduedate {	sub start_preduedate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\| $target eq 'tex') {	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\| $target eq 'tex') {
if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&	&Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' &&	if (!$Apache::lonhomework::scantronmode &&
$Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {	$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
	&Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
&Apache::lonxml::get_all_text("/preduedate",$parser);	&Apache::lonxml::get_all_text("/preduedate",$parser);
}	}
}	}
Line 1051 sub end_preduedate {	Line 1308 sub end_preduedate {

sub start_postanswerdate {	sub start_postanswerdate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'tex') {	if ($target eq 'web' \|\| $target eq 'grade') {
if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {	if ($Apache::lonhomework::scantronmode \|\|
	$Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
&Apache::lonxml::get_all_text("/postanswerdate",$parser);	&Apache::lonxml::get_all_text("/postanswerdate",$parser);
}	}
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
return '\vskip 0 mm \noindent';	&Apache::lonxml::get_all_text("/postanswerdate",$parser);
}	}
return '';	return '';
}	}
Line 1071 sub start_notsolved {	Line 1329 sub start_notsolved {
$target eq 'tex') {	$target eq 'tex') {
my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};	my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
&Apache::lonxml::debug("not solved has :$gradestatus:");	&Apache::lonxml::debug("not solved has :$gradestatus:");
if ($gradestatus =~ /^correct/) {	if ($gradestatus =~ /^correct/ &&
	&Apache::response::show_answer()) {
&Apache::lonxml::debug("skipping");	&Apache::lonxml::debug("skipping");
&Apache::lonxml::get_all_text("/notsolved",$parser);	&Apache::lonxml::get_all_text("/notsolved",$parser);
}	}
Line 1088 sub start_solved {	Line 1347 sub start_solved {
if ($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 ($gradestatus !~ /^correct/ \|\|
	!&Apache::response::show_answer()) {
&Apache::lonxml::get_all_text("/solved",$parser);	&Apache::lonxml::get_all_text("/solved",$parser);
}	}
}	}
Line 1099 sub end_solved {	Line 1359 sub end_solved {
return '';	return '';
}	}

	sub start_problemtype {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
	my $result;
	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
	$target eq 'tex' \|\| $target eq 'analyze') {
	my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
	if (!defined($mode)) { $mode='show'; }
	my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
	my $found=0;
	foreach my $type (split(',',$for)) {
	if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
	}
	if ($mode eq 'show' && !$found) {
	&Apache::lonxml::get_all_text("/problemtype",$parser);
	}
	if ($mode eq 'hide' && $found) {
	&Apache::lonxml::get_all_text("/problemtype",$parser);
	}
	} elsif ($target eq 'edit') {
	$result .=&Apache::edit::tag_start($target,$token);
	$result.=&Apache::edit::select_arg('Mode:','mode',
	[['show','Show'],
	['hide','Hide']]
	,$token);
	$result .=&Apache::edit::checked_arg('When used as type(s):','for',
	[ ['exam','Exam/Quiz Problem'],
	['survey','Survey'],
	['problem','Homework Problem'] ]
	,$token);
	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
	} elsif ($target eq 'modified') {
	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
	$safeeval,'mode','for');
	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
	}
	return $result;
	}

	sub end_problemtype {
	return '';
	}

sub start_startouttext {	sub start_startouttext {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my @result=(''.'');	my @result=(''.'');
Line 1122 sub end_startouttext {	Line 1424 sub end_startouttext {
&Apache::edit::end_row().	&Apache::edit::end_row().
&Apache::edit::start_spanning_row()."\n"	&Apache::edit::start_spanning_row()."\n"
. &Apache::loncommon::helpLatexCheatsheet () .	. &Apache::loncommon::helpLatexCheatsheet () .
&Apache::edit::editfield($token->[1],$text,"",80,4);	&Apache::edit::editfield($token->[1],$text,"",80,8,1);
}	}
if ($target eq 'modified') {	if ($target eq 'modified') {
$result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);	$result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
Line 1167 sub delete_startouttext {	Line 1469 sub delete_startouttext {
sub start_simpleeditbutton {	sub start_simpleeditbutton {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result='';	my $result='';
if (($target eq 'web') &&	if (($env{'form.simple_edit_button'} ne 'off') &&
(&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {	($target eq 'web') &&
my $url=$ENV{'request.noversionuri'};	(&Apache::lonnet::allowed('srm',$env{'request.course.id'}))) {
	my $url=$env{'request.noversionuri'};
$url=~s/\?.*$//;	$url=~s/\?.*$//;
	my ($symb) = &Apache::lonxml::whichuser();
$result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.	$result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
'<a href="'.$url.'/smpedit">'.&mt('Simple Problem Editor').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').	'<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.').
&Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';	&Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
}	}
return $result;	return $result;

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

Removed from v.1.223
changed lines
	Added in v.1.306