--- loncom/homework/structuretags.pm 2005/04/18 22:39:35 1.288
+++ loncom/homework/structuretags.pm 2006/04/15 01:06:59 1.346
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# definition of tags that give a structure to a document
#
-# $Id: structuretags.pm,v 1.288 2005/04/18 22:39:35 albertel Exp $
+# $Id: structuretags.pm,v 1.346 2006/04/15 01:06:59 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -36,15 +36,16 @@ use Apache::File();
use Apache::lonmenu;
use Apache::lonlocal;
use Apache::lonxml;
+use Apache::lonenc();
use Time::HiRes qw( gettimeofday tv_interval );
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'));
}
sub start_web {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
- my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
- if ($target eq 'web') {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
+ if ($target eq 'web' || $target eq 'webgrade') {
return $bodytext;
}
return '';
@@ -55,9 +56,9 @@ sub end_web {
}
sub start_tex {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';
- my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
+ my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
if ($target eq 'tex') {
return $bodytext.' ';
}
@@ -69,7 +70,8 @@ sub end_tex {
}
sub page_start {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
+ $extra_head)=@_;
my %found;
foreach my $taginside (@$tagstack) {
foreach my $taglookedfor ('html','body','form') {
@@ -77,69 +79,91 @@ sub page_start {
}
}
- my $result;
- my $head_tag_start;
- if (!defined($found{'html'})) {
- $result=&Apache::londefdef::start_html($target,$token,$tagstack,
- $parstack,$parser,$safeeval);
- $head_tag_start='
'.&Apache::lonmenu::registerurl(undef,$target).
- &Apache::lonhtmlcommon::htmlareaheaders().
- &Apache::lonhtmlcommon::spellheader().
- &Apache::lonxml::fontsettings();
- }
- my $body_tag_start;
- if (!defined($found{'body'}) && $env{'request.state'} eq 'construct'
- && $env{'environment.remote'} eq 'off') {
- $body_tag_start=&Apache::loncommon::bodytag();
- $body_tag_start.=&Apache::lonxml::message_location();
+
+ if ($target eq 'tex') {
+ return
+ &Apache::londefdef::start_html($target,$token,$tagstack,
+ $parstack,$parser,$safeeval);
+ }
+
+ my %body_args;
+ if (defined($found{'html'})) {
+ $body_args{'skip_phases'}{'head'}=1;
+ } else {
+
+ $extra_head .= &Apache::lonhtmlcommon::spellheader();
+
+ my $css_href = &Apache::lonnet::EXT('resource.0.cssfile');
+ if ($css_href =~ /\S/) {
+ &Apache::lonxml::extlink($css_href);
+ $extra_head .=
+ '';
+ }
+ if ($target eq 'edit') {
+ $extra_head.=&Apache::edit::js_change_detection().
+ "\n";
+ }
+ }
+
+ if (defined($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'})) {
- $body_tag_start=''.&Apache::lonmenu::menubuttons(undef,$target,1);
- if ($env{'environment.texengine'} eq 'jsMath') {
- $body_tag_start.=''."\n".
- ''."\n";
- }
- if ($target eq 'web' && $env{'request.state'} ne 'construct') {
- my ($symb,undef,undef,undef,$publicuser)=
- &Apache::lonxml::whichuser();
- if ($symb eq '' && !$publicuser) {
- my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
- $help=&mt("Browsing resource, all submissions are temporary.")." ";
- $body_tag_start.=$help;
- }
+
+ my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
+ $safeeval);
+ if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
+
+ $body_args{'bgcolor'} = $bgcolor;
+ $body_args{'no_title'} = 1;
+ $body_args{'force_register'} = 1;
+ $body_args{'add_entries'} = \%add_entries;
+ }
+
+ 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,$publicuser)= &Apache::lonxml::whichuser();
+ if ($symb eq '' && !$publicuser) {
+ my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
+ $help=&mt("Browsing resource, all submissions are temporary.")." ";
+ $page_start .= $help;
}
- $body_tag_start.=&Apache::lonxml::message_location();
}
+
+ if (!defined($found{'body'})) {
+ $page_start .= &Apache::lonxml::message_location();
+ }
+
my $form_tag_start;
if (!defined($found{'form'})) {
- $form_tag_start='\n".&Apache::loncommon::endbodytag()."\n";
+ "\n\n".&Apache::loncommon::end_page();
}
sub option {
@@ -238,9 +266,11 @@ sub option {
sub problem_web_to_edit_header {
my ($rndseed)=@_;
- my $result.='
-
-
+ my $result.='';
+ if (!$Apache::lonhomework::parsing_a_task) {
+ $result .= '';
+ }
+ $result .= '
@@ -248,11 +278,17 @@ sub problem_web_to_edit_header {
$rndseed.'"
onchange="javascript:document.lonhomework.changerandseed.click()" />';
- $result.="
+ if (!$Apache::lonhomework::parsing_a_task) {
+ $result.="
Problem Status:
";
- my $numtoanalyze=$env{'form.numtoanalyze'};
- if (!$numtoanalyze) { $numtoanalyze=20; }
- $result.= ' for
+ my $numtoanalyze=$env{'form.numtoanalyze'};
+ if (!$numtoanalyze) { $numtoanalyze=20; }
+ $result.= ' for
'.&mt('versions of this problem').
'.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
'',undef,undef,300).
'';
+ }
return $result;
}
@@ -299,9 +336,19 @@ sub initialize_storage {
%Apache::lonhomework::results=();
%Apache::lonhomework::history=();
my ($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::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') ||
+ $env{'form.newrandomization'} eq &mt('New Randomization')) {
+ &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
+ &Apache::lonxml::debug("Attempt reset");
+ }
%Apache::lonhomework::history=
- &Apache::lonnet::tmprestore($env{'request.uri'},'',$domain,$name);
+ &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
my ($temp)=keys %Apache::lonhomework::history ;
&Apache::lonxml::debug("Return message of $temp");
} else {
@@ -321,13 +368,17 @@ sub initialize_storage {
# if running user has student role.
sub finalize_storage {
my $result;
- my ($temp) = keys %Apache::lonhomework::results;
- if ( $temp ne '' ) {
+ if (%Apache::lonhomework::results) {
+ my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
+ delete(@Apache::lonhomework::results{@remove});
my ($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::type eq 'practice') {
+ my $namespace = $symb || $env{'request.uri'};
$Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
$result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
- $env{'request.uri'},'',$domain,$name);
+ $namespace,'',$domain,$name);
&Apache::lonxml::debug('Construct Store return message:'.$result);
} else {
$result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
@@ -337,9 +388,12 @@ sub finalize_storage {
&store_aggregates($symb,$courseid);
}
}
+ } else {
+ &Apache::lonxml::debug('Nothing to store');
}
return $result;
}
+use Data::Dumper;
# -------------------------------------------------------------store_aggregates
# Sends hash of values to be incremented in nohist_resourcetracker.db
@@ -365,11 +419,20 @@ sub store_aggregates {
}
if ($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;
}
- &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
- $cdomain,$cname);
+ if (keys (%aggregate) > 0) {
+ &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
+ $cdomain,$cname);
+ }
}
sub checkout_msg {
@@ -409,16 +472,26 @@ ENDCHECKOUT
sub init_problem_globals {
my ($type)=@_;
#initialize globals
+ # For problems, we start out in part 0 (outside a tag).
+ # and part 0 is used to describe the main body of the
+ #
if ($type eq 'problem') {
$Apache::inputtags::part='0';
@Apache::inputtags::partlist=('0');
$Apache::lonhomework::problemstatus=&get_problem_status('0');
$Apache::lonhomework::ignore_response_errors=0;
+
} elsif ($type eq 'library') {
$Apache::inputtags::part='';
@Apache::inputtags::partlist=();
$Apache::lonhomework::problemstatus='';
$Apache::lonhomework::ignore_response_errors=1;
+
+ } elsif ($type eq 'Task') {
+ $Apache::inputtags::part='0';
+ @Apache::inputtags::partlist=('0');
+ $Apache::lonhomework::problemstatus='';
+ $Apache::lonhomework::ignore_response_errors=1;
}
@Apache::inputtags::responselist = ();
@Apache::inputtags::importlist = ();
@@ -467,12 +540,20 @@ sub get_problem_status {
}
sub start_problem {
- my ($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 in
+ # a .problem file.
+ #
if ( $Apache::inputtags::part ne '' ||
$Apache::lonhomework::parsing_a_problem) {
&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,$style);
return '';
}
@@ -494,7 +575,7 @@ sub start_problem {
defined($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 '' ) {
my $uri=$env{'request.uri'};
@@ -506,6 +587,7 @@ sub start_problem {
&Apache::lonxml::debug("Using default type, problem, :$uri:");
}
}
+ $Apache::lonhomework::default_type = $Apache::lonhomework::type;
#added vars to the scripting enviroment
my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
@@ -514,9 +596,10 @@ sub start_problem {
my $status;
my $accessmsg;
- #should get back a or the neccesary stuff to start XML/MathML
- my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
- &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
+ my $name= &get_resource_name($parstack,$safeeval);
+ my ($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); }
@@ -531,7 +614,7 @@ sub start_problem {
$Apache::lonhomework::history{"resource.0.outtoken"}=
$token;
}
- $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
+ $result.=&Apache::lonxml::printtokenheader($target,$token);
}
if ($env{'form.markaccess'}) {
&Apache::lonnet::set_first_access('map');
@@ -539,39 +622,49 @@ sub start_problem {
#handle rand seed in construction space
my $rndseed=&setup_rndseed($safeeval);
my ($symb)=&Apache::lonxml::whichuser();
- if ($env{'request.state'} ne "construct" && $symb eq '') {
+ if ($env{'request.state'} ne "construct" &&
+ ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
$form_tag_start.=''.
''.
+ value="'.&mt('New Problem Variation').'" />';
+ if (exists($env{'form.username'})) {
+ $form_tag_start.=
'';
- if ($env{'user.adv'}) {
+ }
+ if ($env{'request.role.adv'}) {
$form_tag_start.=
- ' '.&mt(' Show All Foils');
+ $form_tag_start.= ' />'.&mt(' Show All Foils').
+ '';
}
$form_tag_start.='';
}
- ($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);
+
my $expression='$external::datestatus="'.$status.'";';
$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
&Apache::run::run($expression,$safeeval);
&Apache::lonxml::debug("Got $status");
+
if (( $status eq 'CLOSED' ) ||
( $status eq 'UNCHECKEDOUT') ||
( $status eq 'NOT_YET_VIEWED') ||
( $status eq 'BANNED') ||
( $status eq 'UNAVAILABLE') ||
+ ( $status eq 'NOT_IN_A_SLOT') ||
( $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" ) {
- $result.= $head_tag_start.'';
- my $msg=$body_tag_start;
+ my $msg;
if ($status eq 'UNAVAILABLE') {
$msg.='
'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'
';
} elsif ($status ne 'NOT_YET_VIEWED') {
@@ -580,23 +673,35 @@ sub start_problem {
if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
$msg.='The problem '.$accessmsg;
} elsif ($status eq 'UNCHECKEDOUT') {
- $msg.=&checkout_msg;
+ $msg.=&checkout_msg();
} elsif ($status eq 'NOT_YET_VIEWED') {
$msg.=&firstaccess_msg($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.' ';
} 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') {
$result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
} else {
$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') {
+ $result .= &Apache::bridgetask::proctor_validation_screen();
+ } elsif ($target eq 'grade') {
+ &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
+ 'problem');
+ }
} elsif ($target eq 'web') {
- my $name= &get_resource_name($parstack,$safeeval);
- $result.="$head_tag_start$name
- $body_tag_start \n $form_tag_start".
+ $result.="\n $form_tag_start".
'';
# create a page header and exit
if ($env{'request.state'} eq "construct") {
@@ -610,60 +715,11 @@ sub start_problem {
}
}
} elsif ($target eq 'tex') {
- 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; }
- 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') {
- $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource
located in '.$env{'request.uri'}.' 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_/) {
- $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource
"'.$name_of_resourse.'"
located in '.$env{'request.uri'}.' STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm\noindent'.$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 \\\\\\\\';
- }
- }
+ $result .= 'INSERTTEXFRONTMATTERHERE';
+
}
} elsif ($target eq 'edit') {
- $result.=$head_tag_start."".$body_tag_start.$form_tag_start.
- &problem_edit_header();
+ $result .= $form_tag_start.&problem_edit_header();
$Apache::lonxml::warnings_error_header=
&mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")." ";
my $temp=&Apache::edit::insertlist($target,$token);
@@ -680,7 +736,103 @@ sub start_problem {
sub end_problem {
my ($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 $begin_doc='\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource
"'.$name_of_resourse.'"
located in '.$env{'request.uri'}.' 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.'} \\\\\\\\';
+ }
+ } 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 \\\\\\\\';
+ }
+ }
+ $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
+ }
+
my $status=$Apache::inputtags::status['-1'];
if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
$target eq 'tex') {
@@ -688,6 +840,8 @@ sub end_problem {
# if part is zero, no s existed, so we need to the grading
if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
&Apache::inputtags::grade;
+ } elsif ($status eq 'NEEDS_CHECKIN') {
+ # no need to grade, and don't want to hide data
} else {
# move any submission data to .hidden
&Apache::inputtags::hidealldata($Apache::inputtags::part);
@@ -710,7 +864,7 @@ sub end_problem {
$result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
}
if ($target eq 'web') {
- $result.=&Apache::lonxml::xmlend().'