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Diff for /loncom/homework/structuretags.pm between versions 1.259 and 1.297

version 1.259, 2004/07/02 08:14:41	version 1.297, 2005/07/05 18:59:03
Line 36 use Apache::File();	Line 36 use Apache::File();
use Apache::lonmenu;	use Apache::lonmenu;
use Apache::lonlocal;	use Apache::lonlocal;
use Apache::lonxml;	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','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));	&Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
}	}
Line 68 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) {
	$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
	$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 83 sub page_start {	Line 111 sub page_start {
$result=&Apache::londefdef::start_html($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::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') {
	$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]=	$body_tag_start=&body_tag_start($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 122 sub page_start {	Line 142 sub page_start {
}	}
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 156 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 174 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 '' \|\|
$Apache::lonhomework::history{'resource.CODE'}) {	$Apache::lonhomework::history{'resource.CODE'}) {
$rndseed=$ENV{'form.rndseed'};	$rndseed=$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));
Line 183 sub setup_rndseed {	Line 206 sub setup_rndseed {
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" accesskey="d" value="'.&mt('Discard Edits and View').'" />	<input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />	<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
<input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />	<input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />
<input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />	<input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />
<input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.	<input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.
&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index',	&Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')
'Problem Editing Help').'</td><td>'.	.'</td></tr></table>'.
&Apache::loncommon::help_open_faq(5).	'<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
&Apache::loncommon::help_open_bug('Authoring').'</td></tr></table>'.
'<table border="0"><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).	&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).
"\n</form>\n</body>\n</html>";	"\n</form>\n".&Apache::loncommon::endbodytag()."\n</html>";
}	}

sub option {	sub option {
my ($value,$name) = @_;	my ($value,$name) = @_;
my $result ="<option value='".$value."' ";	my $result ="<option value='".$value."' ";
if ($ENV{'form.'.$name} eq $value) {	if ($env{'form.'.$name} eq $value) {
$result.=" selected='on' ";	$result.=" selected='on' ";
}	}
$result.='>';	$result.='>';
Line 223 sub problem_web_to_edit_header {	Line 252 sub problem_web_to_edit_header {
<input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />	<input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
<input type="submit" name="resetdata" accesskey="r" 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').
&Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').	&Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
'<hr />';	'</label><hr />';
$result.="	$result.="
<nobr>	<nobr>
Problem Status:	Problem Status:
<select name='problemstate'>	<select name='problemstate'>
<option name=''></option>	<option value=''></option>
".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>	".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>	".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>	".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
Line 246 Problem Status:	Line 275 Problem Status:
<nobr>	<nobr>
Problem Type:	Problem Type:
<select name='problemtype'>	<select name='problemtype'>
<option name=''></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>
Line 262 Feedback Mode:	Line 291 Feedback Mode:
</nobr>	</nobr>
<input type='submit' name='changeproblemmode' value='".&mt("Change")."' />	<input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
<hr />";	<hr />";
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='.	$result.= '<input type="submit" name="problemmode" value='.
&mt('"Calculate answers').'" /> for	&mt('"Calculate answers').'" /> for
Line 278 sub initialize_storage {	Line 307 sub initialize_storage {
%Apache::lonhomework::results=();	%Apache::lonhomework::results=();
%Apache::lonhomework::history=();	%Apache::lonhomework::history=();
my ($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 296 sub initialize_storage {	Line 325 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 328 sub checkout_msg {	Line 402 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>
Line 342 sub firstaccess_msg {	Line 416 sub firstaccess_msg {
&Apache::lonxml::debug("map is $map title is $foldertitle");	&Apache::lonxml::debug("map is $map title is $foldertitle");
return (<<ENDCHECKOUT);	return (<<ENDCHECKOUT);
<h2>The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".</h2>	<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="$ENV{'request.uri'}">	<form name="markaccess" method="POST" action="$env{'request.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="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
</form>	</form>
Line 355 sub init_problem_globals {	Line 429 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::problemstatus=&get_problem_status('0')	$Apache::lonhomework::ignore_response_errors=0;
} else {	} elsif ($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;
}	}
@Apache::inputtags::responselist = ();	@Apache::inputtags::responselist = ();
@Apache::inputtags::importlist = ();	@Apache::inputtags::importlist = ();
Line 388 sub reset_problem_globals {	Line 463 sub reset_problem_globals {

sub set_problem_state {	sub set_problem_state {
my ($part)=@_;	my ($part)=@_;
if ($ENV{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {	if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
$Apache::lonhomework::history{"resource.$part.solved"}=	$Apache::lonhomework::history{"resource.$part.solved"}=
'correct_by_student';	'correct_by_student';
}	}
Line 396 sub set_problem_state {	Line 471 sub set_problem_state {

sub get_problem_status {	sub get_problem_status {
my ($part)=@_;	my ($part)=@_;
my $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");	my $problem_status;
&Apache::lonxml::debug("problem status for $part is $problem_status");	if ($env{'request.state'} eq 'construct' &&
&Apache::lonxml::debug("env probstat is ".$ENV{'form.problemstatus'});	defined($env{'form.problemstatus'})) {
if ($ENV{'request.state'} eq 'construct' &&	$problem_status=$env{'form.problemstatus'};
defined($ENV{'form.problemstatus'})) {	} else {
$problem_status=$ENV{'form.problemstatus'};	$problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
	&Apache::lonxml::debug("problem status for $part is $problem_status");
	&Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
}	}
return $problem_status;	return $problem_status;
}	}
Line 419 sub start_problem {	Line 496 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;
}	}

Line 428 sub start_problem {	Line 505 sub start_problem {
if ($target eq 'web') {	if ($target eq 'web') {
&Apache::lonhomework::showhash(%Apache::lonhomework::history);	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
}	}
if ($ENV{'request.state'} eq 'construct') { &set_problem_state('0'); }	if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');	$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
if (($ENV{'request.state'} eq 'construct') &&	if (($env{'request.state'} eq 'construct') &&
defined($ENV{'form.problemtype'})) {	defined($env{'form.problemtype'})) {
$Apache::lonhomework::type=$ENV{'form.problemtype'};	$Apache::lonhomework::type=$env{'form.problemtype'};
}	}
	$Apache::lonhomework::default_type = $Apache::lonhomework::type;
&Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");	&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 $1");
Line 457 sub start_problem {	Line 535 sub start_problem {
#should get back a <html> or the neccesary stuff to start XML/MathML	#should get back a <html> or the neccesary stuff to start XML/MathML
my ($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' \|\| $target eq 'answer' \|\|
Line 466 sub start_problem {	Line 544 sub start_problem {
if ($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'}) {	if ($env{'form.markaccess'}) {
&Apache::lonnet::set_first_access('map');	&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'}) {
	$form_tag_start.=
	' <input type="checkbox" name="showallfoils" ';
	if (defined($env{'form.showallfoils'})) {
	$form_tag_start.='checked="on"';
	}
	$form_tag_start.= ' />'.&mt(' Show All Foils');
	}
	$form_tag_start.='<hr />';
}	}
($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 530 sub start_problem {	Line 617 sub start_problem {
$body_tag_start \n $form_tag_start".	$body_tag_start \n $form_tag_start".
'<input type="hidden" name="submitted" value="yes" />';	'<input type="hidden" name="submitted" value="yes" />';
# create a page header and exit	# create a page header and exit
if ($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 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'}) {
foreach my $field ('symb','courseid','domain','username') {	foreach my $field ('symb','courseid','domain','username') {
$result .= '<input type="hidden" name="grade_'.$field.	$result .= '<input type="hidden" name="grade_'.$field.
'" value="'.$ENV{"form.grade_$field"}.'" />'."\n";	'" value="'.$env{"form.grade_$field"}.'" />'."\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) {
Line 555 sub start_problem {	Line 642 sub start_problem {
$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; }
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 571 sub start_problem {	Line 660 sub start_problem {
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.'}';	$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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.'}';
} 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.'}';	$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
if ($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.'}';	$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
if (($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 630 sub end_problem {	Line 719 sub end_problem {
$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') \|\| ($target eq 'tex')
) {	) {
if ($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::lonxml::htmlareafields);
$result.="</body>\n";
}	}
if ($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}';	$endminipage = '\end{minipage}';
}	}
if ($ENV{'form.print_discussions'} eq 'yes') {	if ($env{'form.print_discussions'} eq 'yes') {
$result.=&Apache::lonxml::xmlend();	$result.=&Apache::lonxml::xmlend($target,$parser);
$result=~s/<\/html>//;	$result=~s/<\/html>//;
}
$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
if (not $ENV{'request.symb'} =~ m/\.page_/) {
$result .= $endminipage.'\end{document} ';
} else {	} 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 {
	$result .= '';
	}
}	}
}	}
}	}
Line 662 sub end_problem {	Line 751 sub end_problem {
&Apache::lonhomework::showhash(%Apache::lonhomework::results);	&Apache::lonhomework::showhash(%Apache::lonhomework::results);
&finalize_storage();	&finalize_storage();
}	}
if ($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 679 sub end_problem {	Line 769 sub end_problem {
$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 707 sub start_library {	Line 797 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,$safeeval);
Line 726 sub end_library {	Line 816 sub end_library {
if ($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 861 sub start_instructorcomment {	Line 952 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 932 sub end_while {	Line 1023 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 1030 sub end_randomlist {	Line 1121 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=();
Line 1044 sub start_part {	Line 1146 sub start_part {
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; }
	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.'\';';	$expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
&Apache::run::run($expression,$safeeval);	&Apache::run::run($expression,$safeeval);
Line 1055 sub start_part {	Line 1157 sub start_part {
&Apache::response::meta_parameter_write('display','string',$display,'Part Description');	&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 1063 sub start_part {	Line 1165 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 ($ENV{'request.state'} eq 'construct') {	if ($env{'request.state'} eq 'construct') {
&set_problem_state($Apache::inputtags::part);	&set_problem_state($Apache::inputtags::part);
}	}
if (( $status eq 'CLOSED' ) \|\|	if (( $status eq 'CLOSED' ) \|\|
Line 1076 sub start_part {	Line 1178 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')." $accessmsg \\\\";
Line 1084 sub start_part {	Line 1186 sub start_part {
}	}
} else {	} else {
if ($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'},'packages');	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) {
Line 1096 sub start_part {	Line 1202 sub start_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 (($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') {	} elsif ($target eq 'web') {
$result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';	$result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
Line 1127 sub end_part {	Line 1237 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') {	} elsif ($target eq 'grade') {
if (($status eq 'CAN_ANSWER' \|\| $Apache::lonhomework::scantronmode) &&	if (($status eq 'CAN_ANSWER' \|\| $Apache::lonhomework::scantronmode) &&
!$hidden) {	!$hidden && $in_order_show) {
$result=&Apache::inputtags::grade;	$result=&Apache::inputtags::grade;
} else {	} else {
# move any submission data to .hidden	# move any submission data to .hidden
&Apache::inputtags::hidealldata($Apache::inputtags::part);	&Apache::inputtags::hidealldata($Apache::inputtags::part);
}	}
} elsif (($target eq 'web' \|\| $target eq 'tex') && !$hidden ) {	} 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;
}	}

Line 1332 sub delete_startouttext {	Line 1446 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>

500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.

Removed from v.1.259
changed lines
	Added in v.1.297