loncom/homework/structuretags.pm - diff

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Diff for /loncom/homework/structuretags.pm between versions 1.273 and 1.383

version 1.273, 2004/11/30 23:28:57	version 1.383, 2007/07/17 18:18:54
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 Apache::lonenc();
use Time::HiRes qw( gettimeofday tv_interval );	use Time::HiRes qw( gettimeofday tv_interval );
	use lib '/home/httpd/lib/perl/';
	use LONCAPA;

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

sub start_web {	sub start_web {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);	if ($target ne 'edit' && $target ne 'modified') {
if ($target eq 'web') {	my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
return $bodytext;	if ($target eq 'web' \|\| $target eq 'webgrade') {
	return $bodytext;
	}
	} elsif ($target eq "edit" ) {
	my $bodytext =
	&Apache::lonxml::get_all_text_unbalanced("/web",$parser);
	my $result = &Apache::edit::tag_start($target,$token);
	$result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
	return $result;
	} elsif ( $target eq "modified" ) {
	return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
}	}
return '';	return '';
}	}
Line 55 sub end_web {	Line 69 sub end_web {
}	}

sub start_tex {	sub start_tex {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';	my $result='';
my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);	if ($target ne 'edit' && $target ne 'modified') {
if ($target eq 'tex') {	my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
return $bodytext.' ';	if ($target eq 'tex') {
	return $bodytext.' ';
	}
	} elsif ($target eq "edit" ) {
	my $bodytext =
	&Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
	my $result = &Apache::edit::tag_start($target,$token);
	$result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
	return $result;
	} elsif ( $target eq "modified" ) {
	return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
}	}
return $result;;	return $result;;
}	}
Line 69 sub end_tex {	Line 93 sub end_tex {
}	}

sub page_start {	sub page_start {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
	$extra_head)=@_;
my %found;	my %found;
foreach my $taginside (@$tagstack) {	foreach my $taginside (@$tagstack) {
foreach my $taglookedfor ('html','body','form') {	foreach my $taglookedfor ('html','body','form') {
Line 77 sub page_start {	Line 102 sub page_start {
}	}
}	}

my $result;	if ($target eq 'tex') {
my $head_tag_start;	return
if (!defined($found{'html'})) {	&Apache::londefdef::start_html($target,$token,$tagstack,
$result=&Apache::londefdef::start_html($target,$token,$tagstack,	$parstack,$parser,$safeeval);
$parstack,$parser,$safeeval);	}
$head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target).
&Apache::lonhtmlcommon::htmlareaheaders().	$extra_head.= '
&Apache::lonhtmlcommon::spellheader().	<script type="text/javascript">
&Apache::lonxml::fontsettings();	function setSubmittedPart (part) {
}	this.document.lonhomework.submitted.value="part_"+part;
my $body_tag_start;	}
if (!defined($found{'body'}) && $ENV{'request.state'} eq 'construct'	</script>
&& $ENV{'environment.remote'} eq 'off') {	';
$body_tag_start=&Apache::loncommon::bodytag();
	my %body_args;
	if (defined($found{'html'})) {
	$body_args{'skip_phases'}{'head'}=1;
	} else {

	$extra_head .= &Apache::lonhtmlcommon::spellheader();

	$extra_head .= &Apache::londefdef::generate_css_links();

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

	if (defined($found{'body'})) {
	$body_args{'skip_phases'}{'body'}=1;
	} elsif (!defined($found{'body'})
	&& $env{'request.state'} eq 'construct') {
	if ($target eq 'web' \|\| $target eq 'edit') {
	# no extra args to bodytag
	}
} elsif (!defined($found{'body'})) {	} elsif (!defined($found{'body'})) {
$body_tag_start='<body onload="'.&Apache::lonmenu::loadevents().'" '.	my %add_entries;
'onunload="'.&Apache::lonmenu::unloadevents().'" ';
my $background=&Apache::lonxml::get_param('background',$parstack,	my $background=&Apache::lonxml::get_param('background',$parstack,
$safeeval);	$safeeval);
if ($ENV{'browser.imagesuppress'} eq 'on') { $background=''; }	if ($background ne '' ) {
if ($background) {	$add_entries{'background'} = $background;
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
$background;
$body_tag_start.='background="'.$background.'" ';
} 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;" ';	my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
}	$safeeval);
$body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);	if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
my ($symb,undef,undef,undef,$publicuser)=	$body_args{'bgcolor'} = $bgcolor;
&Apache::lonxml::whichuser();	$body_args{'no_title'} = 1;
if ($symb eq '' && !$publicuser) {	$body_args{'force_register'} = 1;
my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");	$body_args{'add_entries'} = \%add_entries;
$help=&mt("Browsing resource, all submissions are temporary.")."<br />";	}
$body_tag_start.=$help;	$body_args{'no_auto_mt_title'} = 1;
}	my $page_start = &Apache::loncommon::start_page($name,$extra_head,
	\%body_args);

	if (!defined($found{'body'})
	&& $env{'request.state'} ne 'construct'
	&& ($target eq 'web' \|\| $target eq 'webgrade')) {

	my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
	if ($symb eq '' && !$publicuser) {
	my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
	$help=&mt("Browsing resource, all submissions are temporary.")."<br />";
	$page_start .= $help;
}	}
$body_tag_start.=&Apache::lonxml::message_location();
}	}

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

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

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

#use Time::HiRes();	#use Time::HiRes();
Line 141 sub get_resource_name {	Line 205 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::lonnet::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 157 sub get_resource_name {	Line 222 sub get_resource_name {
sub setup_rndseed {	sub setup_rndseed {
my ($safeeval)=@_;	my ($safeeval)=@_;
my $rndseed;	my $rndseed;
my ($symb)=&Apache::lonxml::whichuser();	my ($symb)=&Apache::lonnet::whichuser();
if ($ENV{'request.state'} eq "construct" \|\| $symb eq '' \|\|	if ($env{'request.state'} eq "construct"
$Apache::lonhomework::history{'resource.CODE'}) {	\|\| $symb eq ''
$rndseed=$ENV{'form.rndseed'};	\|\| $Apache::lonhomework::type eq 'practice'
	\|\| $Apache::lonhomework::history{'resource.CODE'}) {
	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
	['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.submitted'} eq 'yes') \|\|
	$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));	$rndseed=join(':',&Apache::lonnet::digest($rndseed));
}	}
if ($Apache::lonhomework::history{'resource.CODE'}) {	if ($Apache::lonhomework::history{'resource.CODE'}) {
$rndseed=&Apache::lonnet::rndseed();	$rndseed=&Apache::lonnet::rndseed();
Line 192 sub setup_rndseed {	Line 262 sub setup_rndseed {

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

sub problem_edit_header {	sub problem_edit_header {
Line 202 sub problem_edit_header {	Line 272 sub problem_edit_header {
&Apache::structuretags::remember_problem_state().'	&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 '.&Apache::edit::submit_ask_anyway().' 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_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')	&Apache::loncommon::help_open_menu('Problem Editing Help','Problem_Editor_XML_Index',5,'Authoring',undef,undef,undef,'Problem Editing Help')
.'</td></tr></table>'.	.'</td></tr></table>'.
'<table border="0"><tr><td bgcolor="#DDDDDD">';	'<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).	&Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
"\n</form>\n</body>\n</html>";	"\n</form>\n".&Apache::loncommon::end_page();
}	}

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 230 sub option {	Line 300 sub option {

sub problem_web_to_edit_header {	sub problem_web_to_edit_header {
my ($rndseed)=@_;	my ($rndseed)=@_;
my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />	my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />';
<input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />	$result .= '<input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />';
<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />	$result .= '<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
<input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />	<input type="submit" name="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" size="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"'; }	my $show_all_foils_text =
$result.= ' />'.&mt(' Show All Foils').	($Apache::lonhomework::parsing_a_task) ?
	&mt(' Show All Instances')
	: &mt(' Show All Foils');

	if (defined($env{'form.showallfoils'})) { $result.='checked="on"'; }
	$result.= ' />'.$show_all_foils_text.'</label>'.
&Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').	&Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
'<hr />';	'<hr />';
$result.="	if (!$Apache::lonhomework::parsing_a_task) {
	$result.="
<nobr>	<nobr>
Problem Status:	Problem Status:
<select name='problemstate'>	<select name='problemstate'>
Line 275 Feedback Mode:	Line 351 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
<input type="text" name="numtoanalyze" value="'.	<input type="text" name="numtoanalyze" value="'.
$numtoanalyze.'" size="5" /> '.&mt('versions of this problem').	$numtoanalyze.'" size="5" /> '.&mt('versions of this problem').
'.'.&Apache::loncommon::help_open_topic("Analyze_Problem",	'.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
'',undef,undef,300).	'',undef,undef,300).
'<hr />';	'<hr />';
	} elsif ($Apache::lonhomework::parsing_a_task) {
	$result.="
	<nobr>
	Problem Status:
	<select name='problemstate'>
	<option value=''></option>
	".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
	".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
	".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
	".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
	</select>
	</nobr>
	<input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
	<hr />";
	}
return $result;	return $result;
}	}

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

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

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

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

#ignore error conditions	#ignore error conditions
my ($temp)=keys %Apache::lonhomework::history ;	my ($temp)=keys %Apache::lonhomework::history ;
if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }	if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
Line 309 sub initialize_storage {	Line 421 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 ($given_symb) = @_;
my $result;	my $result;
my ($temp) = keys %Apache::lonhomework::results;	if (%Apache::lonhomework::results) {
if ( $temp ne '' ) {	my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();	delete(@Apache::lonhomework::results{@remove});
if ($ENV{'request.state'} eq 'construct' \|\| $symb eq '') {	my ($symb,$courseid,$domain,$name) =
$Apache::lonhomework::results{'rndseed'}=$ENV{'form.rndseed'};	&Apache::lonnet::whichuser($given_symb);
	if ($env{'request.state'} eq 'construct'
	\|\| $symb eq ''
	\|\| $Apache::lonhomework::type eq 'practice') {
	my $namespace = $symb \|\| $env{'request.uri'};
	$Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
$result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,	$result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
$ENV{'request.uri'},'',$domain,$name);	$namespace,'',$domain,$name);
&Apache::lonxml::debug('Construct Store return message:'.$result);	&Apache::lonxml::debug('Construct Store return message:'.$result);
} else {	} else {
$result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,	$result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
$symb,$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);
	}
}	}
	} else {
	&Apache::lonxml::debug('Nothing to store');
}	}
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 335 sub checkout_msg {	Line 501 sub checkout_msg {
'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',	'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
'checkout'=>'Check out Exam for Viewing',	'checkout'=>'Check out Exam for Viewing',
'checkout?'=>'Check out Exam?');	'checkout?'=>'Check out Exam?');
	my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
return (<<ENDCHECKOUT);	return (<<ENDCHECKOUT);
<h2>$lt{'resource'}</h2>	<h2>$lt{'resource'}</h2>
<p>$lt{'id_expln'}</p>	<p>$lt{'id_expln'}</p>
<font color="red">	<font color="red">
<p>$lt{'warning'}</p>	<p>$lt{'warning'}</p>
</font>	</font>
<form name="checkout" method="post" action="$ENV{'request.uri'}">	<form name="checkout" method="POST" action="$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 353 sub firstaccess_msg {	Line 520 sub firstaccess_msg {
my ($map)=&Apache::lonnet::decode_symb($symb);	my ($map)=&Apache::lonnet::decode_symb($symb);
my $foldertitle=&Apache::lonnet::gettitle($map);	my $foldertitle=&Apache::lonnet::gettitle($map);
&Apache::lonxml::debug("map is $map title is $foldertitle");	&Apache::lonxml::debug("map is $map title is $foldertitle");
	my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
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="$ENV{'request.uri'}">	<form name="markaccess" method="POST" action="$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 365 ENDCHECKOUT	Line 533 ENDCHECKOUT
sub init_problem_globals {	sub init_problem_globals {
my ($type)=@_;	my ($type)=@_;
#initialize globals	#initialize globals
	# For problems, we start out in part 0 (outside a <part> tag).
	# and part 0 is used to describe the main body of the <problem>
	#
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;	$Apache::lonhomework::ignore_response_errors=0;

} elsif ($type eq 'library') {	} elsif ($type eq 'library') {
$Apache::inputtags::part='';	$Apache::inputtags::part='';
@Apache::inputtags::partlist=();	@Apache::inputtags::partlist=();
$Apache::lonhomework::problemstatus='';	$Apache::lonhomework::problemstatus='';
$Apache::lonhomework::ignore_response_errors=1;	$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 386 sub init_problem_globals {	Line 564 sub init_problem_globals {
@Apache::structuretags::whileline=();	@Apache::structuretags::whileline=();
$Apache::lonhomework::scantronmode=0;	$Apache::lonhomework::scantronmode=0;
undef($Apache::lonhomework::name);	undef($Apache::lonhomework::name);
	undef($Apache::lonhomework::default_type);
	undef($Apache::lonhomework::type);
}	}

sub reset_problem_globals {	sub reset_problem_globals {
Line 398 sub reset_problem_globals {	Line 577 sub reset_problem_globals {
#detect if we try to do 2 problems in one file	#detect if we try to do 2 problems in one file
# undef($Apache::lonhomework::parsing_a_problem);	# undef($Apache::lonhomework::parsing_a_problem);
undef($Apache::lonhomework::name);	undef($Apache::lonhomework::name);
	undef($Apache::lonhomework::default_type);
	undef($Apache::lonhomework::type);
	undef($Apache::lonhomework::scantronmode);
	undef($Apache::lonhomework::problemstatus);
	undef($Apache::lonhomework::ignore_response_errors);
}	}

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 411 sub set_problem_state {	Line 595 sub set_problem_state {
sub get_problem_status {	sub get_problem_status {
my ($part)=@_;	my ($part)=@_;
my $problem_status;	my $problem_status;
if ($ENV{'request.state'} eq 'construct' &&	if ($env{'request.state'} eq 'construct' &&
defined($ENV{'form.problemstatus'})) {	defined($env{'form.problemstatus'})) {
$problem_status=$ENV{'form.problemstatus'};	$problem_status=$env{'form.problemstatus'};
} else {	} else {
$problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");	$problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
&Apache::lonxml::debug("problem status for $part is $problem_status");	&Apache::lonxml::debug("problem status for $part is $problem_status");
&Apache::lonxml::debug("env probstat is ".$ENV{'form.problemstatus'});	&Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
}	}
return $problem_status;	return $problem_status;
}	}

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

	# We'll use the redirection to fix up printing of duedates.
	if (!$Apache::lonxml::metamode) {
	&Apache::lonxml::startredirection();
	}

	# Problems don't nest and we don't allow more than one <problem> in
	# a .problem file.
	#
if ( $Apache::inputtags::part ne '' \|\|	if ( $Apache::inputtags::part ne '' \|\|
$Apache::lonhomework::parsing_a_problem) {	$Apache::lonhomework::parsing_a_problem) {
&Apache::lonxml::error('Only one <problem> allowed in a .problem file');	&Apache::lonxml::error('Only one <problem> allowed in a .problem file');
#my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);	#my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
return '';	return '';
}	}

$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') {
if ($target eq 'web') {	if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
&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');	$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
if (($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::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");	&Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
}	}
if ($Apache::lonhomework::type eq '' ) {	if ($Apache::lonhomework::type eq '' ) {
my $uri=$ENV{'request.uri'};	my $uri=$env{'request.uri'};
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 $1");
Line 462 sub start_problem {	Line 650 sub start_problem {
&Apache::lonxml::debug("Using default type, problem, :$uri:");	&Apache::lonxml::debug("Using default type, problem, :$uri:");
}	}
}	}
	$Apache::lonhomework::default_type = $Apache::lonhomework::type;

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

#added vars to the scripting enviroment	#added vars to the scripting enviroment
my $expression='$external::part=\''.$Apache::inputtags::part.'\';';	my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
Line 470 sub start_problem {	Line 665 sub start_problem {
my $status;	my $status;
my $accessmsg;	my $accessmsg;

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

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

if ($target eq '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' \|\| $target eq 'answer' \|\|
Line 482 sub start_problem {	Line 683 sub start_problem {
if ($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);	$result.=&Apache::lonxml::printtokenheader($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::lonnet::whichuser();
if ($ENV{'request.state'} ne "construct" && $symb eq '') {	if ($env{'request.state'} ne "construct" &&
	($symb eq '' \|\| $Apache::lonhomework::type eq 'practice')) {
$form_tag_start.='<input type="hidden" name="rndseed" value="'.	$form_tag_start.='<input type="hidden" name="rndseed" value="'.
$rndseed.'" />'.	$rndseed.'" />'.
'<input type="submit" name="resetdata"	'<input type="submit" name="resetdata"
value="'.&mt('New Problem Variation').'" />'.	value="'.&mt('New Problem Variation').'" />';
	if (exists($env{'form.username'})) {
	$form_tag_start.=
'<input type="hidden" name="username"	'<input type="hidden" name="username"
value="'.$ENV{'form.username'}.'" />';	value="'.$env{'form.username'}.'" />';
if ($ENV{'user.adv'}) {	}
	if ($env{'request.role.adv'}) {
$form_tag_start.=	$form_tag_start.=
' <input type="checkbox" name="showallfoils" ';	' <label><input type="checkbox" name="showallfoils" ';
if (defined($ENV{'form.showallfoils'})) {	if (defined($env{'form.showallfoils'})) {
$form_tag_start.='checked="on"';	$form_tag_start.='checked="on"';
}	}
$form_tag_start.= ' />'.&mt(' Show All Foils');	$form_tag_start.= ' />'.&mt(' Show All Foils').
	'</label>';
}	}
$form_tag_start.='<hr />';	$form_tag_start.='<hr />';
}	}
($status,$accessmsg) = &Apache::lonhomework::check_access('0');
	($status,$accessmsg,my $slot_name,my $slot) =
	&Apache::lonhomework::check_slot_access('0','problem');
push (@Apache::inputtags::status,$status);	push (@Apache::inputtags::status,$status);

my $expression='$external::datestatus="'.$status.'";';	my $expression='$external::datestatus="'.$status.'";';
$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
&Apache::run::run($expression,$safeeval);	&Apache::run::run($expression,$safeeval);
&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 'NOT_YET_VIEWED') \|\|
( $status eq 'BANNED') \|\|	( $status eq 'BANNED') \|\|
( $status eq 'UNAVAILABLE') \|\|	( $status eq 'UNAVAILABLE') \|\|
	( $status eq 'NOT_IN_A_SLOT') \|\|
( $status eq 'INVALID_ACCESS')) {	( $status eq 'INVALID_ACCESS')) {
my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
	$style);
if ( $target eq "web" ) {	if ( $target eq "web" ) {
$result.= $head_tag_start.'</head>';	my $msg;
my $msg=$body_tag_start;
if ($status eq 'UNAVAILABLE') {	if ($status eq 'UNAVAILABLE') {
$msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';	$msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
} elsif ($status ne 'NOT_YET_VIEWED') {	} elsif ($status ne 'NOT_YET_VIEWED') {
Line 536 sub start_problem {	Line 747 sub start_problem {
if ($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') {	} elsif ($status eq 'NOT_YET_VIEWED') {
$msg.=&firstaccess_msg($accessmsg,$symb);	$msg.=&firstaccess_msg($accessmsg,$symb);
	} elsif ($status eq 'NOT_IN_A_SLOT') {
	$msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
}	}
$result.=$msg.'<br />';	$result.=$msg.'<br />';
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';	my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
	: '\begin{minipage}{\textwidth}';
	$result.='\begin{document}\noindent \vskip 1 mm '.
	$startminipage.'\vskip 0 mm';
if ($status eq 'UNAVAILABLE') {	if ($status eq 'UNAVAILABLE') {
$result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';	$result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
} else {	} else {
$result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";	$result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
}	}
}	}
	} elsif ($status eq 'NEEDS_CHECKIN') {
	my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
	$style);
	if ($target eq 'web') {
	$result .=
	&Apache::bridgetask::proctor_validation_screen($slot);
	} elsif ($target eq 'grade') {
	&Apache::bridgetask::proctor_check_auth($slot_name,$slot,
	'problem');
	}
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
my $name= &get_resource_name($parstack,$safeeval);	if ($status eq 'CAN_ANSWER'
$result.="$head_tag_start<title>$name</title></head>	&& $slot_name ne ''
$body_tag_start \n $form_tag_start".	&& $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
	# unproctored slot access, self checkin
	&Apache::bridgetask::check_in('problem',undef,undef,
	$slot_name);
	}
	$result.="\n $form_tag_start \t".
'<input type="hidden" name="submitted" value="yes" />';	'<input type="hidden" name="submitted" value="yes" />';
# create a page header and exit	# create a page header and exit
if ($ENV{'request.state'} eq "construct") {	if ($env{'request.state'} eq "construct") {
$result.= &problem_web_to_edit_header($ENV{'form.rndseed'});	$result.= &problem_web_to_edit_header($env{'form.rndseed'});
}	}
# if 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 = '';	$result .= 'INSERTTEXFRONTMATTERHERE';
if (not $ENV{'form.problem_split'}=~/yes/) {
$startminipage = '\begin{minipage}{\textwidth}';
}
my $id = $Apache::inputtags::part;
my $weight = &Apache::lonnet::EXT("resource.$id.weight");
my $packages=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');
my @packages = split /,/,$packages;
my $allow_print_points = 0;
foreach my $partial_key (@packages) {
if ($partial_key=~m/^part_0$/) {
$allow_print_points=1;
}
}
my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
$duedate = POSIX::strftime("%c",localtime($duedate));
my $temp_file;
my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
if (-e $filename) {
$temp_file = Apache::File->new($filename);
} else {
$temp_file = Apache::File->new('>>'.$filename);
}
my @due_file_content = <$temp_file>;
my $due_file_content = $due_file_content[$#due_file_content];
chomp $due_file_content;
my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
if ($due_file_content ne $duedate) {
$temp_file = Apache::File->new('>'.$filename);
print $temp_file "$duedate\n";
if (not $ENV{'request.symb'} =~ m/\.page_/) {
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.'}';
} 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}{'.$name_of_resourse.'}';
if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
}
} else {
$result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
}
} else {
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}{'.$name_of_resourse.'}';
if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
} else {
$result .= '\vskip 1mm \\\\\\\\';
}
}
}	}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.	$result .= $form_tag_start.&problem_edit_header();
&problem_edit_header();
$Apache::lonxml::warnings_error_header=	$Apache::lonxml::warnings_error_header=
&mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";	&mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
my $temp=&Apache::edit::insertlist($target,$token);	my $temp=&Apache::edit::insertlist($target,$token);
$result.=$temp;	$result.=$temp;
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
$result=$token->[4];	$result=$token->[4];
$result.=&Apache::edit::handle_insert();
} else {	} else {
# page_start returned a starting result, delete it if we don't need it	# page_start returned a starting result, delete it if we don't need it
$result = '';	$result = '';
Line 634 sub start_problem {	Line 817 sub start_problem {

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

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

	if ($target eq 'tex') {
	# Figure out the front matter and replace the
	# INSERTTEXFRONTMATTERHERE in result with it. note that we do
	# this in end_problem because whether or not we display due
	# dates depends on whether due dates have already been
	# displayed in the problem parts.

	my $frontmatter = '';
	my $startminipage = '';
	if (not $env{'form.problem_split'}=~/yes/) {
	$startminipage = '\begin{minipage}{\textwidth}';
	}
	my $id = $Apache::inputtags::part;
	my $weight = &Apache::lonnet::EXT("resource.$id.weight");
	my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
	my @packages = split /,/,$packages;
	my $allow_print_points = 0;
	foreach my $partial_key (@packages) {
	if ($partial_key=~m/^part_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;
	}
	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.'}';

	# Figure out what the due date is and if we need to print
	# it in the problem header. We have been logging the
	# last due date written to file.

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

	# Figure out what the last printed due date is or set it
	# to the epoch if no duedates have been printed.

	my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
	if (-e $filename) {
	$temp_file = Apache::File->new($filename);
	my @due_file = <$temp_file>;
	$due_file_content = $due_file[$#due_file];
	chomp $due_file_content;
	}

	# We display the due date iff it is not the same as the last
	# duedate in problem header ($due_file_content), and
	# none of our parts displayed a duedate.
	#
	my $parts_with_displayduedate;
	if (defined $Apache::outputtags::showonce{'displayduedate'}) {
	$parts_with_displayduedate =
	scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
	} else {
	$parts_with_displayduedate = 0;
	}
	if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
	$temp_file = Apache::File->new('>'.$filename);
	print $temp_file "$duetime\n";
	if (not $env{'request.symb'} =~ m/\.page_/) {
	if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
	$frontmatter .= $begin_doc.
	'\textit{Due date: '.$duedate.'} '.$toc_line;
	} else {
	$frontmatter.= $begin_doc.$toc_line;
	if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
	}
	} else {
	$frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\'.$startminipage;
	}
	} else {
	if (not $env{'request.symb'} =~ m/\.page_/) {
	$frontmatter .= $begin_doc.$toc_line;
	if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
	} else {
	$frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
	}
	}
	$result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
	}

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') {	$target eq 'tex') {
Line 642 sub end_problem {	Line 920 sub end_problem {
# if part is zero, no <part>s existed, so we need to the grading	# if part is zero, no <part>s existed, so we need to the grading
if ($status eq 'CAN_ANSWER' \|\|$Apache::lonhomework::scantronmode) {	if ($status eq 'CAN_ANSWER' \|\|$Apache::lonhomework::scantronmode) {
&Apache::inputtags::grade;	&Apache::inputtags::grade;
	} elsif ($status eq 'NEEDS_CHECKIN') {
	# no need to grade, and don't want to hide data
} 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);
Line 655 sub end_problem {	Line 935 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::lonhtmlcommon::get_htmlareafields());
$result.="</body>\n";
}	}
if ($target eq 'web') {	if ($target eq 'web') {
$result.=&Apache::lonxml::xmlend();	$result.= &Apache::loncommon::end_page({'discussion' => 1});
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
my $endminipage = '';	my $endminipage = '';
if (not $ENV{'form.problem_split'}=~/yes/) {	if (not $env{'form.problem_split'}=~/yes/) {
$endminipage = '\end{minipage}';	$endminipage = '\end{minipage}';
}	}
if ($ENV{'form.print_discussions'} eq 'yes') {	if ($env{'form.print_discussions'} eq 'yes') {
$result.=&Apache::lonxml::xmlend($target,$parser);	$result.=&Apache::lonxml::xmlend($target,$parser);
$result=~s/<\/html>//;
} else {	} else {
$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';	$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
if (not $ENV{'request.symb'} =~ m/\.page_/) {	if (not $env{'request.symb'} =~ m/\.page_/) {
$result .= $endminipage.'\end{document} ';	$result .= $endminipage.'\end{document} ';
} else {	} else {
$result .= '';	$result .= $endminipage;
}	}
}	}
}	}
Line 688 sub end_problem {	Line 966 sub end_problem {
&Apache::lonhomework::showhash(%Apache::lonhomework::results);	&Apache::lonhomework::showhash(%Apache::lonhomework::results);
&finalize_storage();	&finalize_storage();
}	}
if ($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	$result.=&Apache::loncommon::end_page({'discussion' => 1});
	# normally we get it from above, but in CSTR
# we always show answer mode too.	# we always show answer mode too.
}	}
} elsif ($target eq 'meta') {	} elsif ($target eq 'meta') {
Line 702 sub end_problem {	Line 981 sub end_problem {
$result.=&Apache::response::meta_response_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();	$result .= &problem_edit_footer();
	} elsif ($target eq 'modified') {
	$result .= $token->[2];
}	}

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 717 sub end_problem {	Line 998 sub end_problem {

sub start_library {	sub start_library {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my ($result,$head_tag_start,$body_tag_start,$form_tag_start);	my ($result,$form_tag_start);
if ($$tagstack[0] eq 'library') {	if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
&init_problem_globals('library');	&init_problem_globals('library');
$Apache::lonhomework::type='problem';	$Apache::lonhomework::type='problem';
}	}
if ($target eq 'edit') {	if ($target eq 'edit') {
($result,$head_tag_start,$body_tag_start,$form_tag_start)=	($result,$form_tag_start)=
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.	'Edit');
&problem_edit_header();	$result.=$form_tag_start.&problem_edit_header();
my $temp=&Apache::edit::insertlist($target,$token);	my $temp=&Apache::edit::insertlist($target,$token);
$result.=$temp;	$result.=$temp;
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
$result=$token->[4];	$result=$token->[4];
$result.=&Apache::edit::handle_insert();	} elsif (($target eq 'web' \|\| $target eq 'webgrade')
} elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&	&& ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
$ENV{'request.state'} eq "construct" ) {	&& $env{'request.state'} eq "construct" ) {
($result,$head_tag_start,$body_tag_start,$form_tag_start)=
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
my $name=&get_resource_name($parstack,$safeeval);	my $name=&get_resource_name($parstack,$safeeval);
	($result,$form_tag_start)=
	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
	$name);
my $rndseed=&setup_rndseed($safeeval);	my $rndseed=&setup_rndseed($safeeval);
$result.="$head_tag_start<title>$name</title></head>	$result.=" \n $form_tag_start".
$body_tag_start \n $form_tag_start".
'<input type="hidden" name="submitted" value="yes" />';	'<input type="hidden" name="submitted" value="yes" />';
$result.=&problem_web_to_edit_header($rndseed);	$result.=&problem_web_to_edit_header($rndseed);
}	}
Line 751 sub end_library {	Line 1032 sub end_library {
my $result='';	my $result='';
if ($target eq 'edit') {	if ($target eq 'edit') {
$result=&problem_edit_footer();	$result=&problem_edit_footer();
} elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&	} elsif ($target eq 'web'
$ENV{'request.state'} eq "construct") {	&& ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
$result.='</form></body>'.&Apache::lonxml::xmlend();	&& $env{'request.state'} eq "construct") {
	$result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
	}
	if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
	&reset_problem_globals('library');
}	}
if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
return $result;	return $result;
}	}

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

my $result;	my $result;

my $name = $token->[2]->{'name'};	my $name = $token->[2]->{'name'};
my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);	my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
if ($name=~/^\//) {	if ($name=~/^\//) {
$result=	$result=
'<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';	'<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
Line 788 sub start_block {	Line 1072 sub start_block {

my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $code = $token->[2]->{'condition'};	my $code = $token->[2]->{'condition'};
if (defined($code)) {	if (defined($code)) {
if (!$Apache::lonxml::default_homework_loaded) {	if (!$Apache::lonxml::default_homework_loaded) {
Line 832 sub start_languageblock {	Line 1116 sub start_languageblock {

my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $include = $token->[2]->{'include'};	my $include = $token->[2]->{'include'};
my $exclude = $token->[2]->{'exclude'};	my $exclude = $token->[2]->{'exclude'};
my %languages=&Apache::loncommon::display_languages();	my %languages=&Apache::loncommon::display_languages();
Line 885 sub start_instructorcomment {	Line 1169 sub start_instructorcomment {

my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
$result=($ENV{'request.role'}=~/^(in\|cc\|au\|ca\|li)/);	$result=($env{'request.role'}=~/^(in\|cc\|au\|ca\|li)/);
if ( (! $result) or ($ENV{'form.instructor_comments'} eq 'hide')) {	if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
my $skip=&Apache::lonxml::get_all_text("/instructorcomment",	my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
$parser,$style);	$parser,$style);
&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");	&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
Line 911 sub end_instructorcomment {	Line 1195 sub end_instructorcomment {
}	}

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

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

push( @Apache::structuretags::whileconds, $code);	push( @Apache::structuretags::whileconds, $code);
Line 923 sub start_while {	Line 1207 sub start_while {
&Apache::lonxml::default_homework_load($safeeval);	&Apache::lonxml::default_homework_load($safeeval);
}	}
my $result = &Apache::run::run($code,$safeeval);	my $result = &Apache::run::run($code,$safeeval);
my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
push( @Apache::structuretags::whilebody, $bodytext);	push( @Apache::structuretags::whilebody, $bodytext);
push( @Apache::structuretags::whileline, $token->[5]);	push( @Apache::structuretags::whileline, $token->[5]);
&Apache::lonxml::debug("s code $code got -$result-");	&Apache::lonxml::debug("s code $code got -$result-");
Line 947 sub end_while {	Line 1231 sub end_while {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $code = pop(@Apache::structuretags::whileconds);	my $code = pop(@Apache::structuretags::whileconds);
my $bodytext = pop(@Apache::structuretags::whilebody);	my $bodytext = pop(@Apache::structuretags::whilebody);
my $line = pop(@Apache::structuretags::whileline);	my $line = pop(@Apache::structuretags::whileline);
Line 958 sub end_while {	Line 1242 sub end_while {
while ($return) {	while ($return) {
if (time-$starttime >	if (time-$starttime >
$Apache::lonnet::perlvar{'lonScriptTimeout'}) {	$Apache::lonnet::perlvar{'lonScriptTimeout'}) {
#$return = 0; $error=1; next;	$return = 0; $error=1; next;
}	}
$result.=&Apache::scripttag::xmlparse($bodytext);	$result.=&Apache::scripttag::xmlparse($bodytext);
	if ($target eq 'grade' \|\| $target eq 'answer' \|\|
	$target eq 'analyze') {
	# grade/answer/analyze should produce no output but if we
	# are redirecting, the redirecter should know what to do
	# with the output
	if (!$Apache::lonxml::redirection) { undef($result); }
	}
$return = &Apache::run::run($code,$safeeval);	$return = &Apache::run::run($code,$safeeval);
}	}
if ($error) {	if ($error) {
Line 979 sub end_while {	Line 1270 sub end_while {
# ...	# ...
# </randomlist>	# </randomlist>
sub start_randomlist {	sub start_randomlist {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;	my $result;
if ($target eq 'answer' \|\| $target eq 'grade' \|\| $target eq 'web' \|\|	if ($target eq 'answer' \|\| $target eq 'grade' \|\| $target eq 'web' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);	my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
my $b_parser= HTML::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 1008 sub start_randomlist {	Line 1301 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 1035 sub start_randomlist {	Line 1330 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::pushrandomnumber();	&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));
Line 1056 sub end_randomlist {	Line 1351 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,$style)=@_;
	if (!$Apache::lonxml::metamode) {
	&Apache::lonxml::startredirection(); # we'll use redirection to fix up
	# duedates.
	}
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 1070 sub start_part {	Line 1380 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,$safeeval);
Line 1081 sub start_part {	Line 1391 sub start_part {
&Apache::response::meta_parameter_write('display','string',$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,$style);
} else {	} else {
my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);	my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
push (@Apache::inputtags::status,$status);	push (@Apache::inputtags::status,$status);
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 1098 sub start_part {	Line 1408 sub start_part {
( $status eq 'BANNED') \|\|	( $status eq 'BANNED') \|\|
( $status eq 'UNAVAILABLE') \|\|	( $status eq 'UNAVAILABLE') \|\|
( $status eq 'INVALID_ACCESS')) {	( $status eq 'INVALID_ACCESS')) {
my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
	$style);
if ( $target eq "web" ) {	if ( $target eq "web" ) {
$result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";	$result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
} elsif ( $target eq 'tex' ) {	} elsif ( $target eq 'tex' ) {
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')." $accessmsg \\\\";
Line 1110 sub start_part {	Line 1421 sub start_part {
}	}
} else {	} else {
if ($target eq 'tex') {	if ($target eq 'tex') {
if (not $ENV{'form.problem_split'}=~/yes/) {	if (not $env{'form.problem_split'}=~/yes/) {
if ($$tagstack[-2] eq 'td') {	if ($$tagstack[-2] eq 'td') {
$result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';	$result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
} else {	} else {
Line 1118 sub start_part {	Line 1429 sub start_part {
}	}
}	}
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 1126 sub start_part {	Line 1437 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) {
	$allow_print_points=0;
	}
	if (lc($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 ($target eq 'web') {	} elsif ($target eq 'web') {
$result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';	$result.='<a name="'.&escape($Apache::inputtags::part).'" />';
}	}
}	}
}	}
Line 1146 sub start_part {	Line 1465 sub start_part {
#limiting ids to only letters numbers, and space	#limiting ids to only letters numbers, and space
$token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;	$token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
$result = &Apache::edit::rebuild_tag($token);	$result = &Apache::edit::rebuild_tag($token);
$result.=&Apache::edit::handle_insert();
}	}
}	}
return $result;	return $result;
Line 1157 sub end_part {	Line 1475 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 $result='';	my $in_order_show=&ordered_show_check();
if ( $target eq 'meta' ) {	my $result;
$result='';	if (!$Apache::lonxml::metamode) {
} elsif ($target eq 'grade') {	$result = &Apache::lonxml::endredirection(); # started in &start_part
	$Apache::lonxml::post_evaluate=0;
	}
	if ($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 ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}	if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result=&Apache::edit::end_table();	$result.=&Apache::edit::end_table();
	} elsif ($target eq 'modified') {
	$result .= $token->[2];
}	}
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,$style)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\| $target eq 'tex') {	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
	$target eq 'tex' \|\| $target eq 'webgrade') {
&Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);	&Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&	if (!$Apache::lonhomework::scantronmode &&
	$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
&Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));	&Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
&Apache::lonxml::get_all_text("/preduedate",$parser);	&Apache::lonxml::get_all_text("/preduedate",$parser,$style);
}	}
}	}
return '';	return '';
Line 1201 sub end_preduedate {	Line 1528 sub end_preduedate {
return '';	return '';
}	}

	# In all the modes where <postanswerdate> text is
	# displayable, all we do is eat up the text between the start/stop
	# tags if the conditions are not right to display it.
sub start_postanswerdate {	sub start_postanswerdate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
if ($target eq 'web' \|\| $target eq 'grade') {	my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) \|\|
if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {	&Apache::lonnet::allowed('pav',
&Apache::lonxml::get_all_text("/postanswerdate",$parser);	$env{'request.course.id'}.'/'.$env{'request.course.sec'});
	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'webgrade' \|\|
	$target eq 'tex' ) {
	if ($Apache::lonhomework::scantronmode \|\|
	$Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' \|\|
	(($target eq 'tex') && !$pav)) {
	&Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
}	}
} elsif ($target eq 'tex') {
&Apache::lonxml::get_all_text("/postanswerdate",$parser);
}	}
return '';	return '';
}	}
Line 1218 sub end_postanswerdate {	Line 1552 sub end_postanswerdate {
}	}

sub start_notsolved {	sub start_notsolved {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex') {	$target eq 'tex' \|\| $target eq 'webgrade') {
my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};	my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
&Apache::lonxml::debug("not solved has :$gradestatus:");	&Apache::lonxml::debug("not solved has :$gradestatus:");
if ($gradestatus =~ /^correct/ &&	if ($gradestatus =~ /^correct/ &&
&Apache::response::show_answer()) {	&Apache::response::show_answer()) {
&Apache::lonxml::debug("skipping");	&Apache::lonxml::debug("skipping");
&Apache::lonxml::get_all_text("/notsolved",$parser);	&Apache::lonxml::get_all_text("/notsolved",$parser,$style);
}	}
}	}
return '';	return '';
Line 1237 sub end_notsolved {	Line 1571 sub end_notsolved {
}	}

sub start_solved {	sub start_solved {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex') {	$target eq 'tex') {
my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};	my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
if ($gradestatus !~ /^correct/ \|\|	if ($gradestatus !~ /^correct/ \|\|
!&Apache::response::show_answer()) {	!&Apache::response::show_answer()) {
&Apache::lonxml::get_all_text("/solved",$parser);	&Apache::lonxml::get_all_text("/solved",$parser,$style);
}	}
}	}
return '';	return '';
Line 1254 sub end_solved {	Line 1588 sub end_solved {
}	}

sub start_problemtype {	sub start_problemtype {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;	my $result;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze' \|\| $target eq 'webgrade') {
my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));	my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
if (!defined($mode)) { $mode='show'; }	if (!defined($mode)) { $mode='show'; }
my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);	my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
Line 1266 sub start_problemtype {	Line 1600 sub start_problemtype {
if ($Apache::lonhomework::type eq lc($type)) { $found=1; }	if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
}	}
if ($mode eq 'show' && !$found) {	if ($mode eq 'show' && !$found) {
&Apache::lonxml::get_all_text("/problemtype",$parser);	&Apache::lonxml::get_all_text("/problemtype",$parser,$style);
}	}
if ($mode eq 'hide' && $found) {	if ($mode eq 'hide' && $found) {
&Apache::lonxml::get_all_text("/problemtype",$parser);	&Apache::lonxml::get_all_text("/problemtype",$parser,$style);
}	}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result .=&Apache::edit::tag_start($target,$token);	$result .=&Apache::edit::tag_start($target,$token);
Line 1303 sub start_startouttext {	Line 1637 sub start_startouttext {
}	}

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

if ($target eq 'edit') {	if ($target eq 'edit') {
$text=&Apache::lonxml::get_all_text("endouttext",$parser);	$text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
$result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>	$result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
<td>".&mt('Delete:').	<td>".&mt('Delete:').
&Apache::edit::deletelist($target,$token)	&Apache::edit::deletelist($target,$token)
."</td>	."</td>
<td>".	<td>".
&Apache::edit::insertlist($target,$token).	&Apache::edit::insertlist($target,$token).
	'</td><td align="right" valign="top">' .
	&Apache::loncommon::helpLatexCheatsheet().
&Apache::edit::end_row().	&Apache::edit::end_row().
&Apache::edit::start_spanning_row()."\n"	&Apache::edit::start_spanning_row()."\n".
. &Apache::loncommon::helpLatexCheatsheet () .
&Apache::edit::editfield($token->[1],$text,"",80,8,1);	&Apache::edit::editfield($token->[1],$text,"",80,8,1);
}	}
if ($target eq 'modified') {	if ($target eq 'modified') {
Line 1335 sub start_endouttext {	Line 1670 sub start_endouttext {
if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }	if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
if ($target eq "modified") {	if ($target eq "modified") {
$result='<endouttext />'.	$result='<endouttext />'.
&Apache::edit::handle_insertafter('startouttext'); }	&Apache::edit::handle_insertafter('startouttext');
	}
return $result;	return $result;
}	}

Line 1347 sub end_endouttext {	Line 1683 sub end_endouttext {
}	}

sub delete_startouttext {	sub delete_startouttext {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
# my $text=&Apache::lonxml::get_all_text("endouttext",$parser);	# my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
my $text=$$parser['-1']->get_text("/endouttext");	my $text=$$parser['-1']->get_text("/endouttext");
my $ntoken=$$parser['-1']->get_token();	my $ntoken=$$parser['-1']->get_token();
&Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");	&Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
Line 1363 sub delete_startouttext {	Line 1699 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 $result='';
if (($ENV{'form.simple_edit_button'} ne 'off') &&	if (($env{'form.simple_edit_button'} ne 'off') &&
($target eq 'web') &&	($target eq 'web') &&
(&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {	(&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
my $url=$ENV{'request.noversionuri'};	my $url=$env{'request.noversionuri'};
$url=~s/\?.*$//;	$url=~s/\?.*$//;
	my ($symb) = &Apache::lonnet::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('Edit').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').	'<a href="'.$url.'/smpedit?symb='.&escape($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.1.273
changed lines
	Added in v.1.383