--- loncom/homework/lonhomework.pm 2007/08/18 00:01:45 1.269
+++ loncom/homework/lonhomework.pm 2015/06/29 15:42:07 1.355
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# The LON-CAPA Homework handler
#
-# $Id: lonhomework.pm,v 1.269 2007/08/18 00:01:45 albertel Exp $
+# $Id: lonhomework.pm,v 1.355 2015/06/29 15:42:07 damieng Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -47,13 +47,16 @@ use Apache::externalresponse();
use Apache::rankresponse();
use Apache::matchresponse();
use Apache::chemresponse();
+use Apache::functionplotresponse();
use Apache::drawimage();
+use Apache::loncapamath();
use Apache::Constants qw(:common);
-use HTML::Entities();
use Apache::loncommon();
+use Apache::lonparmset();
use Apache::lonlocal;
use Time::HiRes qw( gettimeofday tv_interval );
-use Apache::lonnet();
+use HTML::Entities();
+use File::Copy();
# FIXME - improve commenting
@@ -63,6 +66,28 @@ BEGIN {
}
+=pod
+
+=item set_bubble_lines()
+
+Called at analysis time to set the bubble lines
+hash for the problem.. This should be called in the
+end_problemtype tag in analysis mode.
+
+We fetch the hash of part id counters from lonxml
+ and push them into analyze:{part_id.bubble_lines}.
+
+=cut
+
+sub set_bubble_lines {
+ my %bubble_counters = &Apache::lonxml::get_bubble_line_hash();
+
+ foreach my $key (keys(%bubble_counters)) {
+ $Apache::lonhomework::analyze{"$key.bubble_lines"} =
+ $bubble_counters{"$key"};
+ }
+}
+
#
# Decides what targets to render for.
# Implicit inputs:
@@ -89,7 +114,11 @@ sub get_target {
} elsif ( $env{'form.grade_target'} eq 'webgrade'
&& ($Apache::lonhomework::queuegrade eq 'F' )) {
return ($env{'form.grade_target'});
- }
+ } elsif ($env{'form.grade_target'} eq 'answer') {
+ if ($env{'form.answer_output_mode'} eq 'tex') {
+ return ($env{'form.grade_target'});
+ }
+ }
if ($env{'form.webgrade'} &&
($Apache::lonhomework::modifygrades eq 'F'
|| $Apache::lonhomework::queuegrade eq 'F' )) {
@@ -102,44 +131,46 @@ sub get_target {
return ('web');
}
} elsif ($env{'request.state'} eq "construct") {
+#
+# We are in construction space, editing and testing problems
+#
if ( defined($env{'form.grade_target'}) ) {
return ($env{'form.grade_target'});
}
if ( defined($env{'form.preview'})) {
if ( defined($env{'form.submitted'})) {
+#
+# We are doing a problem preview
+#
return ('grade', 'web');
} else {
return ('web');
}
} else {
if ($env{'form.problemstate'} eq 'WEB_GRADE') {
- #$env{'form.webgrade'} = 'yes';
return ('grade','webgrade','answer');
- } elsif ( $env{'form.problemmode'} eq &mt('View') ||
- $env{'form.problemmode'} eq &mt('Discard Edits and View')) {
- if ( defined($env{'form.submitted'}) &&
- (!defined($env{'form.resetdata'})) &&
- (!defined($env{'form.newrandomization'}))) {
- return ('grade', 'web','answer');
- } else {
- return ('web','answer');
- }
- } elsif ( $env{'form.problemmode'} eq &mt('Edit') ||
- $env{'form.problemmode'} eq 'Edit') {
- if ( $env{'form.submitted'} eq 'edit' ) {
- if ( $env{'form.submit'} eq &mt('Submit Changes and View') ) {
- return ('modified','web','answer');
- } else {
- return ('modified','no_output_web','edit');
- }
- } else {
- return ('no_output_web','edit');
- }
+ } elsif ($env{'form.problemmode'} eq 'view') {
+ return ('grade','web','answer');
+ } elsif ($env{'form.problemmode'} eq 'saveview') {
+ return ('modified','web','answer');
+ } elsif ($env{'form.problemmode'} eq 'discard') {
+ return ('web','answer');
+ } elsif (($env{'form.problemmode'} eq 'saveedit') ||
+ ($env{'form.problemmode'} eq 'undo')) {
+ return ('modified','no_output_web','edit');
+ } elsif ($env{'form.problemmode'} eq 'edit') {
+ return ('no_output_web','edit');
} else {
return ('web');
}
- }
+ }
+#
+# End of Authoring Space
+#
}
+#
+# Huh? We are nowhere, so do nothing.
+#
return ();
}
@@ -149,16 +180,6 @@ sub setup_vars {
# return ';$external::target='.$target.';';
}
-sub createmenu {
- my ($which,$request)=@_;
- if ($which eq 'grade') {
- $request->print('');
- }
-}
-
sub proctor_checked_in {
my ($slot_name,$slot,$type)=@_;
my @possible_proctors=split(",",$slot->{'proctor'});
@@ -188,58 +209,6 @@ sub proctor_checked_in {
return 0;
}
-$Apache::lonxml::browse='';
-sub check_ip_acc {
- my ($acc)=@_;
- &Apache::lonxml::debug("acc is $acc");
- if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
- return 1;
- }
- my $allowed=0;
- my $ip=$ENV{'REMOTE_ADDR'};
- my $name;
- foreach my $pattern (split(',',$acc)) {
- $pattern =~ s/^\s*//;
- $pattern =~ s/\s*$//;
- if ($pattern =~ /\*$/) {
- #35.8.*
- $pattern=~s/\*//;
- if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
- } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
- #35.8.3.[34-56]
- my $low=$2;
- my $high=$3;
- $pattern=$1;
- if ($ip =~ /^\Q$pattern\E/) {
- my $last=(split(/\./,$ip))[3];
- if ($last <=$high && $last >=$low) { $allowed=1; }
- }
- } elsif ($pattern =~ /^\*/) {
- #*.msu.edu
- $pattern=~s/\*//;
- if (!defined($name)) {
- use Socket;
- my $netaddr=inet_aton($ip);
- ($name)=gethostbyaddr($netaddr,AF_INET);
- }
- if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
- } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
- #127.0.0.1
- if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
- } else {
- #some.name.com
- if (!defined($name)) {
- use Socket;
- my $netaddr=inet_aton($ip);
- ($name)=gethostbyaddr($netaddr,AF_INET);
- }
- if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
- }
- if ($allowed) { last; }
- }
- return $allowed;
-}
-
sub check_slot_access {
my ($id,$type)=@_;
@@ -270,34 +239,38 @@ sub check_slot_access {
}
}
- my @slots=
- (split(':',&Apache::lonnet::EXT("resource.0.availablestudent")),
- split(':',&Apache::lonnet::EXT("resource.0.available")));
+ my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent");
+ my $available = &Apache::lonnet::EXT("resource.0.available");
+ my @slots= (split(':',$availablestudent),split(':',$available));
# if (!@slots) {
# return ($status,$datemsg);
# }
my $slotstatus='NOT_IN_A_SLOT';
my ($returned_slot,$slot_name);
+ my $now = time;
+ my $num_usable_slots = 0;
foreach my $slot (@slots) {
$slot =~ s/(^\s*|\s*$)//g;
&Apache::lonxml::debug("getting $slot");
my %slot=&Apache::lonnet::get_slot($slot);
&Apache::lonhomework::showhash(%slot);
- if ($slot{'starttime'} < time &&
- $slot{'endtime'} > time &&
- &check_ip_acc($slot{'ip'})) {
+ next if ($slot{'endtime'} < $now);
+ $num_usable_slots ++;
+ if ($slot{'starttime'} < $now &&
+ $slot{'endtime'} > $now &&
+ &Apache::loncommon::check_ip_acc($slot{'ip'})) {
&Apache::lonxml::debug("$slot is good");
$slotstatus='NEEDS_CHECKIN';
$returned_slot=\%slot;
$slot_name=$slot;
last;
- }
+ }
}
if ($slotstatus eq 'NEEDS_CHECKIN' &&
&proctor_checked_in($slot_name,$returned_slot,$type)) {
- &Apache::lonxml::debug("protoctor checked in");
- $slotstatus='CAN_ANSWER';
+ &Apache::lonxml::debug("proctor checked in");
+ $slotstatus=$status;
}
my ($is_correct,$got_grade,$checkedin);
@@ -328,12 +301,40 @@ sub check_slot_access {
return ('WAITING_FOR_GRADE');
}
- # no slot is currently open, and has been checked in for this version
- # previous slot is therefore CLOSED, so therefore the problem is
- if (!defined($slot_name)
- && $checkedin
- && $type eq 'problem') {
- return ('CLOSED',$datemsg);
+ # Previously used slot is no longer open, and has been checked in for this version.
+ # However, the problem is not closed, and potentially, another slot might be
+ # used to gain access to it to work on it, until the due date is reached, and the
+ # problem then becomes CLOSED. Therefore return the slotstatus -
+ # (which will be one of: NOT_IN_A_SLOT, RESERVABLE, RESERVABLE_LATER, or NOTRESERVABLE.
+ if (!defined($slot_name) && $type eq 'problem') {
+ if ($slotstatus eq 'NOT_IN_A_SLOT') {
+ if (!$num_usable_slots) {
+ if ($env{'request.course.id'}) {
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ my ($symb)=&Apache::lonnet::whichuser();
+ $slotstatus = 'NOTRESERVABLE';
+ my ($reservable_now_order,$reservable_now,$reservable_future_order,
+ $reservable_future) =
+ &Apache::loncommon::get_future_slots($cnum,$cdom,$now,$symb);
+ if ((ref($reservable_now_order) eq 'ARRAY') && (ref($reservable_now) eq 'HASH')) {
+ if (@{$reservable_now_order} > 0) {
+ $slotstatus = 'RESERVABLE';
+ $datemsg = $reservable_now->{$reservable_now_order->[-1]}{'endreserve'};
+ }
+ }
+ unless ($slotstatus eq 'RESERVABLE') {
+ if ((ref($reservable_future_order) eq 'ARRAY') && (ref($reservable_future) eq 'HASH')) {
+ if (@{$reservable_future_order} > 0) {
+ $slotstatus = 'RESERVABLE_LATER';
+ $datemsg = $reservable_future->{$reservable_future_order->[0]}{'startreserve'};
+ }
+ }
+ }
+ }
+ }
+ }
+ return ($slotstatus,$datemsg);
}
if ($slotstatus eq 'NOT_IN_A_SLOT'
@@ -376,8 +377,8 @@ sub check_access {
if ($env{'request.state'} eq "construct") {
if ($env{'form.problemstate'}) {
if ($env{'form.problemstate'} =~ /^CANNOT_ANSWER/) {
- if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct' &&
- lc($Apache::lonhomework::problemstatus) eq 'no')) {
+ if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct'
+ && &hide_problem_status())) {
return ('CANNOT_ANSWER',
&mt('is in this state due to author settings.'));
}
@@ -399,13 +400,19 @@ sub check_access {
&Apache::lonxml::debug("symb:".$symb);
#if ($env{'request.state'} ne "construct" && $symb ne '') {
if ($env{'request.state'} ne "construct") {
- my $allowed=&check_ip_acc(&Apache::lonnet::EXT("resource.$id.acc"));
+ my $idacc = &Apache::lonnet::EXT("resource.$id.acc");
+ my $allowed=&Apache::loncommon::check_ip_acc($idacc);
if (!$allowed && ($Apache::lonhomework::browse ne 'F')) {
$status='INVALID_ACCESS';
$date=&mt("can not be accessed from your location.");
return($status,$date);
}
-
+ if ($env{'form.grade_imsexport'}) {
+ if (($env{'request.course.id'}) &&
+ (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
+ return ('SHOW_ANSWER');
+ }
+ }
foreach my $temp ("opendate","duedate","answerdate") {
$lastdate = $date;
if ($temp eq 'duedate') {
@@ -436,7 +443,7 @@ sub check_access {
$date = &mt("an indeterminate date"); $passed = 0;
} else {
if (time < $date) { $passed = 0; } else { $passed = 1; }
- $date = localtime $date;
+ $date = &Apache::lonlocal::locallocaltime($date);
}
if (!$passed) { $type=$temp; last; }
}
@@ -446,13 +453,14 @@ sub check_access {
$datemsg=$date;
} elsif ($type eq 'opendate') {
$status='CLOSED';
- $datemsg = &mt("will open on")." $date";
+ $datemsg = &mt('will open on [_1]',$date);
} elsif ($type eq 'duedate') {
$status='CAN_ANSWER';
- $datemsg = &mt("is due at")." $date";
+ $datemsg = &mt('is due at [_1]',$date);
} elsif ($type eq 'answerdate') {
$status='CLOSED';
- $datemsg = &mt("was due on")." $lastdate".&mt(", and answers will be available on")." $date";
+ $datemsg = &mt('was due on [_1], and answers will be available on [_2]',
+ $lastdate,$date);
}
}
if ($status eq 'CAN_ANSWER' ||
@@ -465,26 +473,32 @@ sub check_access {
$env{'request.state'} ne 'construct') { $maxtries = '2'; }
if ($maxtries && $tries >= $maxtries) { $status = 'CANNOT_ANSWER'; }
# if (correct and show prob status) or excused then CANNOT_ANSWER
- if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/
- &&
- lc($Apache::lonhomework::problemstatus) ne 'no')
- ||
- $Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {
+ if ( ($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/)
+ && (&show_problem_status()) ) {
+ if (($Apache::lonhomework::history{"resource.$id.awarded"} >= 1) ||
+ (&Apache::lonnet::EXT("resource.$id.retrypartial") !~/^1|on|yes$/i)) {
+ $status = 'CANNOT_ANSWER';
+ }
+ } elsif ($Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {
$status = 'CANNOT_ANSWER';
}
+ if ($status eq 'CANNOT_ANSWER'
+ && &show_answer_problem_status()) {
+ $status = 'SHOW_ANSWER';
+ }
}
if ($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER') {
- my $interval=&Apache::lonnet::EXT("resource.$id.interval");
- &Apache::lonxml::debug("looking for interval $interval");
- if ($interval) {
- my $first_access=&Apache::lonnet::get_first_access('map');
+ my @interval=&Apache::lonnet::EXT("resource.$id.interval");
+ &Apache::lonxml::debug("looking for interval @interval");
+ if ($interval[0]) {
+ my $first_access=&Apache::lonnet::get_first_access($interval[1]);
&Apache::lonxml::debug("looking for accesstime $first_access");
if (!$first_access) {
$status='NOT_YET_VIEWED';
my $due_date = &due_date($id);
my $seconds_left = $due_date - time;
- if ($seconds_left > $interval || $due_date eq '') {
- $seconds_left = $interval;
+ if ($seconds_left > $interval[0] || $due_date eq '') {
+ $seconds_left = $interval[0];
}
$datemsg=&seconds_to_human_length($seconds_left);
}
@@ -496,7 +510,6 @@ sub check_access {
# return ('UNCHECKEDOUT','needs to be checked out');
#}
-
&Apache::lonxml::debug("sending back :$status:$datemsg:");
if (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED')) {
&Apache::lonxml::debug("should be allowed to browse a resource when closed");
@@ -510,25 +523,26 @@ sub check_access {
sub due_date {
my ($part_id,$symb,$udom,$uname)=@_;
my $date;
- my $interval= &Apache::lonnet::EXT("resource.$part_id.interval",$symb,
+ my @interval= &Apache::lonnet::EXT("resource.$part_id.interval",$symb,
$udom,$uname);
- &Apache::lonxml::debug("looking for interval $part_id $symb $interval");
+ &Apache::lonxml::debug("looking for interval $part_id $symb @interval");
my $due_date= &Apache::lonnet::EXT("resource.$part_id.duedate",$symb,
$udom,$uname);
&Apache::lonxml::debug("looking for due_date $part_id $symb $due_date");
- if ($interval =~ /\d+/) {
- my $first_access=&Apache::lonnet::get_first_access('map',$symb);
- &Apache::lonxml::debug("looking for first_access $first_access");
+ if ($interval[0] =~ /\d+/) {
+ my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
+ &Apache::lonxml::debug("looking for first_access $first_access ($interval[1])");
if (defined($first_access)) {
- $interval = $first_access+$interval;
- $date = ($interval < $due_date)? $interval : $due_date;
+ my $interval = $first_access+$interval[0];
+ $date = (!$due_date || $interval < $due_date) ? $interval
+ : $due_date;
} else {
$date = $due_date;
}
} else {
$date = $due_date;
}
- return $date
+ return $date;
}
sub seconds_to_human_length {
@@ -577,7 +591,7 @@ sub showarray {
sub showhashsubset {
my ($hash,$keyre) = @_;
my $resultkey;
- foreach $resultkey (sort keys %$hash) {
+ foreach $resultkey (sort(keys(%$hash))) {
if ($resultkey !~ /$keyre/) { next; }
if (ref($$hash{$resultkey}) eq 'ARRAY' ) {
&Apache::lonxml::debug("$resultkey ---- ".
@@ -595,6 +609,9 @@ sub showhashsubset {
sub setuppermissions {
$Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$env{'request.filename'});
+ unless ($Apache::lonhomework::browse eq 'F') {
+ $Apache::lonhomework::browse=&Apache::lonnet::allowed('bro',$env{'request.filename'});
+ }
my $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
if (! $viewgrades &&
exists($env{'request.course.sec'}) &&
@@ -654,16 +671,17 @@ sub setupheader {
}
sub handle_save_or_undo {
- my ($request,$problem,$result) = @_;
+ my ($request,$problem,$result,$getobjref) = @_;
+
my $file = &Apache::lonnet::filelocation("",$request->uri);
my $filebak =$file.".bak";
my $filetmp =$file.".tmp";
my $error=0;
- if ($env{'form.Undo'} eq &mt('undo')) {
+ if (($env{'form.problemmode'} eq 'undo') || ($env{'form.problemmode'} eq 'undoxml')) {
my $error=0;
- if (!copy($file,$filetmp)) { $error=1; }
- if ((!$error) && (!copy($filebak,$file))) { $error=1; }
- if ((!$error) && (!move($filetmp,$filebak))) { $error=1; }
+ if (!&File::Copy::copy($file,$filetmp)) { $error=1; }
+ if ((!$error) && (!&File::Copy::copy($filebak,$file))) { $error=1; }
+ if ((!$error) && (!&File::Copy::move($filetmp,$filebak))) { $error=1; }
if (!$error) {
&Apache::lonxml::info("
".
&mt("Undid changes, Switched [_1] and [_2]",
@@ -682,13 +700,10 @@ sub handle_save_or_undo {
}
} else {
&Apache::lonnet::correct_line_ends($result);
+
my $fs=Apache::File->new(">$filebak");
if (defined($fs)) {
print $fs $$problem;
- &Apache::lonxml::info("".&mt("Making Backup to [_1]",
- ''.
- $filebak.'').
- "");
} else {
&Apache::lonxml::info("".
&mt("Unable to make backup [_1]",
@@ -699,9 +714,30 @@ sub handle_save_or_undo {
my $fh=Apache::File->new(">$file");
if (defined($fh)) {
print $fh $$result;
- &Apache::lonxml::info("".&mt("Saving Modifications to [_1]",
- ''.
- $file.'' )."");
+ if (ref($getobjref) eq 'SCALAR') {
+ if ($file =~ m{([^/]+)\.(html?)$}) {
+ my $fname = $1;
+ my $ext = $2;
+ my $path = $file;
+ $path =~ s/\Q$fname\E\.\Q$ext\E$//;
+ my (%allfiles,%codebase);
+ &Apache::lonnet::extract_embedded_items($file,\%allfiles,
+ \%codebase,$result);
+ if (keys(%allfiles) > 0) {
+ my $url = $request->uri;
+ my $state = <
+
+STATE
+ $$getobjref = "".&mt("Reference Warning")."
".
+ "".&mt("Completed upload of the file. This file contained references to other files.")."
".
+ "".&mt("Please select the locations from which the referenced files are to be uploaded.")."
".
+ &Apache::loncommon::ask_for_embedded_content($url,$state,\%allfiles,\%codebase,
+ {'error_on_invalid_names' => 1,
+ 'ignore_remote_references' => 1,});
+ }
+ }
+ }
} else {
&Apache::lonxml::info(''.
&mt("Unable to write to [_1]",
@@ -716,20 +752,40 @@ sub handle_save_or_undo {
sub analyze_header {
my ($request) = @_;
- my $result =
- &Apache::loncommon::start_page('Analyzing a problem',undef);
+ my $js = &Apache::structuretags::setmode_javascript();
+ # Breadcrumbs
+ my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
+ 'text' => 'Authoring Space'},
+ {'href' => '',
+ 'text' => 'Problem Testing'},
+ {'href' => '',
+ 'text' => 'Analyzing a problem'}];
+
+ my $result =
+ &Apache::loncommon::start_page('Analyzing a problem',
+ $js,
+ {'bread_crumbs' => $brcrum,})
+ .&Apache::loncommon::head_subbox(
+ &Apache::loncommon::CSTR_pageheader());
$result .=
- &Apache::lonxml::message_location().'
- ';
&Apache::lonxml::add_messages(\$result);
$request->print($result);
$request->rflush();
@@ -751,13 +807,9 @@ sub analyze {
my $rndseed=$env{'form.rndseed'};
&analyze_header($request);
my %prog_state=
- &Apache::lonhtmlcommon::Create_PrgWin($request,&mt('Analyze Progress'),
- &mt('Getting Problem Variants'),
- $env{'form.numtoanalyze'},
- 'inline',undef);
+ &Apache::lonhtmlcommon::Create_PrgWin($request,$env{'form.numtoanalyze'});
for(my $i=1;$i<$env{'form.numtoanalyze'}+1;$i++) {
- &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state,
- &mt('last problem'));
+ &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state,'last problem');
if (&Apache::loncommon::connection_aborted($request)) { return; }
my $thisseed=$i+$rndseed;
my $subresult=&Apache::lonnet::ssi($request->uri,
@@ -766,7 +818,7 @@ sub analyze {
(my $garbage,$subresult)=split(/_HASH_REF__/,$subresult,2);
my %analyze=&Apache::lonnet::str2hash($subresult);
my @parts;
- if (defined(@{ $analyze{'parts'} })) {
+ if (ref($analyze{'parts'}) eq 'ARRAY') {
@parts=@{ $analyze{'parts'} };
}
foreach my $part (@parts) {
@@ -788,42 +840,75 @@ sub analyze {
$i++;
}
}
+ if (!keys(%{ $analyze{$part.'.answer'} })) {
+ my $answer_part =
+ [''.&mt('Error').''];
+ $seedexample{join("\0",$part,0,@{$answer_part})}=
+ $thisseed;
+ push( @{ $overall{$part.'.answer'}[0] },
+ $answer_part);
+ }
}
}
}
- &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,
- &mt('Analyzing Results'));
- $request->print('
'.&mt('List of possible answers').': ');
+ &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,&mt('Analyzing Results'));
+ $request->print('
'
+ .''
+ .&mt('List of possible answers')
+ .'
'
+ );
foreach my $part (sort(keys(%allparts))) {
- if (defined(@{ $overall{$part.'.answer'} })) {
+ if ((ref($overall{$part.'.answer'}) eq 'ARRAY') &&
+ (@{$overall{$part.'.answer'}} > 0)) {
for (my $i=0;$iprint(''.&mt('Part').' '.$part);
+ $request->print(&Apache::loncommon::start_data_table()
+ .&Apache::loncommon::start_data_table_header_row()
+ .' | '
+ .&mt('Part').' '.$part
+ );
if (scalar(@{ $overall{$part.'.answer'} }) > 1) {
- $request->print(&mt(' Answer [_1]',$i+1));
+ $request->print(' '.&mt('Answer [_1]',$i+1));
}
- $request->print(' |
');
+ $request->print(''
+ .&Apache::loncommon::end_data_table_header_row()
+ );
my %frequency;
foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'}[$i] })) {
$frequency{join("\0",@{ $answer })}++;
}
- $request->print(''.&mt('Answer').' | '.&mt('Frequency').' ('
- .&mt('click for example').') |
');
+ $request->print(&Apache::loncommon::start_data_table_header_row()
+ .''.&mt('Answer').' | '
+ .''.&mt('Frequency').' '
+ .'('.&mt('click for example').') | '
+ .&Apache::loncommon::end_data_table_header_row()
+ );
foreach my $answer (sort {(split("\0",$a))[0] <=> (split("\0",$b))[0]} (keys(%frequency))) {
- $request->print(''.
- join(' | ',split("\0",$answer)).
- ' | '.$frequency{$answer}.
- ' |
');
+ $request->print(&Apache::loncommon::start_data_table_row()
+ .''
+ .join(' | ',split("\0",$answer))
+ .' | '
+ .''
+ .''.$frequency{$answer}.''
+ .' | '
+ .&Apache::loncommon::end_data_table_row()
+ );
}
- $request->print('
');
+ $request->print(&Apache::loncommon::end_data_table());
}
} else {
- $request->print(''.&mt('Response').' '.$part.' '.
- &mt('is not analyzable at this time').'
');
+ $request->print(''
+ .&mt('Response [_1] is not analyzable at this time.',$part)
+ .'
'
+ );
}
}
if (scalar(keys(%allparts)) == 0 ) {
- $request->print(''.&mt('Found no analyzable responses in this problem, currently only Numerical, Formula and String response styles are supported.').'
');
+ $request->print(''
+ .&mt('Found no analyzable responses in this problem.'
+ .' Currently only Numerical, Formula and String response styles are supported.')
+ .'
'
+ );
}
&Apache::lonhtmlcommon::Close_PrgWin($request,\%prog_state);
&analyze_footer($request);
@@ -831,74 +916,183 @@ sub analyze {
return $result;
}
+{
+ my $show_problem_status;
+ sub reset_show_problem_status {
+ undef($show_problem_status);
+ }
+
+ sub set_show_problem_status {
+ my ($new_status) = @_;
+ $show_problem_status = lc($new_status);
+ }
+
+ sub hide_problem_status {
+ return ($show_problem_status eq 'no'
+ || $show_problem_status eq 'no_feedback_ever');
+ }
+
+ sub show_problem_status {
+ return ($show_problem_status eq 'yes'
+ || $show_problem_status eq 'answer'
+ || $show_problem_status eq '');
+ }
+
+ sub show_some_problem_status {
+ return ($show_problem_status eq 'no');
+ }
+
+ sub show_no_problem_status {
+ return ($show_problem_status eq 'no_feedback_ever');
+ }
+
+ sub show_answer_problem_status {
+ return ($show_problem_status eq 'answer');
+ }
+}
+
sub editxmlmode {
my ($request,$file) = @_;
my $result;
my $problem=&Apache::lonnet::getfile($file);
if ($problem eq -1) {
- &Apache::lonxml::error(" ".&mt('Unable to find').
- " $file");
+ &Apache::lonxml::error(
+ ''
+ .&mt('Unable to find [_1]',
+ ''.$file.'')
+ .'
');
+
$problem='';
}
- if (defined($env{'form.editxmltext'}) || defined($env{'form.Undo'})) {
+ if (($env{'form.problemmode'} eq 'saveeditxml') ||
+ ($env{'form.problemmode'} eq 'saveviewxml') ||
+ ($env{'form.problemmode'} eq 'undoxml')) {
my $error=&handle_save_or_undo($request,\$problem,
\$env{'form.editxmltext'});
if (!$error) { $problem=&Apache::lonnet::getfile($file); }
}
&Apache::lonhomework::showhashsubset(\%env,'^form');
- if ( $env{'form.submit'} eq &mt('Submit Changes and View') ) {
+ if ($env{'form.problemmode'} eq 'saveviewxml') {
&Apache::lonhomework::showhashsubset(\%env,'^form');
- $env{'form.problemmode'}='View';
+ $env{'form.problemmode'}='view';
&renderpage($request,$file);
} else {
my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);
- my $xml_help = ''.
- &Apache::loncommon::helpLatexCheatsheet("Problem_Editor_XML_Index",
- "Problem Editing Help").
- ' | '.
- &Apache::loncommon::help_open_menu(undef,undef,5,'Authoring').
- ' |
';
if ($cols > 80) { $cols = 80; }
if ($cols < 70) { $cols = 70; }
if ($rows < 20) { $rows = 20; }
my $js =
&Apache::edit::js_change_detection().
- &Apache::loncommon::resize_textarea_js();
+ &Apache::loncommon::resize_textarea_js().
+ &Apache::structuretags::setmode_javascript().
+ &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
+
+ # Breadcrumbs
+ my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
+ 'text' => 'Authoring Space'},
+ {'href' => '',
+ 'text' => 'Problem Editing'}];
+
my $start_page =
&Apache::loncommon::start_page(&mt("EditXML [_1]",$file),$js,
{'no_auto_mt_title' => 1,
- 'only_body' => 1,
+ 'only_body' => 0,
'add_entries' => {
'onresize' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')],
'onload' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')],
- }});
-
- $result.=$start_page.
- &renderpage($request,$file,['no_output_web'],1).
- &Apache::lonxml::message_location().'
- '.&Apache::loncommon::end_page();
- &Apache::lonxml::add_messages(\$result);
- $request->print($result);
+ ' .
+ &Apache::lonxml::message_location() .
+ &Apache::loncommon::xmleditor_js() .
+ '
';
+
+ my $resource = $env{'request.ambiguous'};
+ unless($env{'environment.nocodemirror'}){
+ $result .= '
+
+ ",
+ mode: CodeMirror.getMode(config, "perl"),
+ delimStyle: "tag",
+ }
+ );
+ });
+ var cm = CodeMirror.fromTextArea(document.getElementById("LC_editxmltext"),
+ {
+ mode: "mixedmode",
+ lineWrapping: true,
+ lineNumbers: true,
+ tabSize: 4,
+ indentUnit: 4,
+
+ autoCloseTags: true,
+ autoCloseBrackets: true,
+ height: "auto",
+ styleActiveLine: true,
+
+ extraKeys: {
+ "Tab": "indentMore",
+ "Shift-Tab": "indentLess",
+ }
+ });
+ restoreScrollPosition("'.$resource.'");
+ ';
+ }
+
+ $result .= &Apache::loncommon::end_page();
+ &Apache::lonxml::add_messages(\$result);
+ $request->print($result);
}
return '';
}
@@ -933,12 +1127,13 @@ sub renderpage {
$problem='';
my $filename=(split('/',$file))[-1];
my $error =
- " ".&mt('Unable to find [_1]',
- ' '.$filename.'')
- ."";
+ ''
+ .&mt('Unable to find [_1]',
+ ''.$filename.'')
+ ."
";
$result.=
&Apache::loncommon::simple_error_page($request,'Not available',
- $error);
+ $error,{'no_auto_mt_msg' => 1});
return;
}
@@ -950,7 +1145,7 @@ sub renderpage {
&Apache::lonxml::debug("Should be parsing now");
$result .= &Apache::lonxml::xmlparse($request, $target, $problem,
&setup_vars($target),%mystyle);
- undef($Apache::lonhomework::parsing_a_problem);
+ &finished_parsing();
if (!$output) { $result = ''; }
#$request->print("Result follows:");
if ($target eq 'modified') {
@@ -981,123 +1176,227 @@ sub renderpage {
}
}
-# with no arg it returns a HTML \n';
+ if ($numfiles > 0) {
+ $result .= '
'."\n".''."\n";
}
return $result;
}
sub newproblem {
my ($request) = @_;
- my $extension=$request->uri;
- $extension=~s:^.*\.([\w]+)$:$1:;
- &Apache::lonxml::debug("Looking for :$extension:");
- my $templatelist=&get_template_list('',$extension);
- if ($env{'form.template'} &&
- $env{'form.template'} ne "Select a $extension template") {
- use File::Copy;
- my $file = &get_template_list($env{'form.template'},$extension);
+
+ if ($env{'form.mode'} eq 'blank'){
+ my $dest = &Apache::lonnet::filelocation("",$request->uri);
+ &File::Copy::copy('/home/httpd/html/res/adm/includes/templates/blank.problem',$dest);
+ &renderpage($request,$dest);
+ return;
+ }
+ if ($env{'form.template'}) {
+ my $file = $env{'form.template'};
my $dest = &Apache::lonnet::filelocation("",$request->uri);
- copy($file,$dest);
+ &File::Copy::copy($file,$dest);
&renderpage($request,$dest);
- } elsif($env{'form.newfile'} && !$templatelist) {
- # I don't like hard-coded filenames but for now, this will work.
- use File::Copy;
+ return;
+ }
+
+ my ($extension) = ($request->uri =~ m/\.(\w+)$/);
+ &Apache::lonxml::debug("Looking for :$extension:");
+ my $templatelist=&get_template_html($extension);
+ if ($env{'form.newfile'} && !$templatelist) {
+ # no templates found
my $templatefilename =
$request->dir_config('lonIncludes').'/templates/blank.'.$extension;
&Apache::lonxml::debug("$templatefilename");
my $dest = &Apache::lonnet::filelocation("",$request->uri);
- copy($templatefilename,$dest);
+ &File::Copy::copy($templatefilename,$dest);
&renderpage($request,$dest);
} else {
my $url=&HTML::Entities::encode($request->uri,'<>&"');
- my $shownurl=$url;
- $shownurl=~s-^/~-/priv/-;
my $dest = &Apache::lonnet::filelocation("",$request->uri);
my $errormsg;
- if ($env{'form.newfile'}) {
- $errormsg=''.&mt('You did not select a template.').'
'."\n";
- }
my $instructions;
+ my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
+ 'text' => 'Authoring Space'},
+ {'href' => '',
+ 'text' => "Create New $extension"}];
my $start_page =
- &Apache::loncommon::start_page("Create New $extension");
- $request->print("
-$start_page
-".&mt("Creating a new $extension resource.")."
+ &Apache::loncommon::start_page("Create New $extension",
+ undef,
+ {'bread_crumbs' => $brcrum,});
+ $request->print(
+ $start_page
+ .&Apache::loncommon::head_subbox(
+ &Apache::loncommon::CSTR_pageheader())
+ .''.&mt("Creating a new $extension resource.")."
$errormsg
".&mt("The requested file [_1] currently does not exist.",
- "$shownurl")."
-
-
-".&mt("To create a new $extension, select a template from the".
- "pull-down menu below. Then click on the \"Create $extension\" button.")."
-
".&Apache::loncommon::end_page());
+ $request->print('
');
+ $request->print(''.&Apache::loncommon::end_page());
}
- return '';
+ return;
}
sub update_construct_style {
if ($env{'request.state'} eq "construct"
- && $env{'form.problemmode'} eq &mt('View')
+ && $env{'form.problemmode'} eq 'view'
&& defined($env{'form.submitted'})
&& !defined($env{'form.resetdata'})
&& !defined($env{'form.newrandomization'})) {
if ((!$env{'form.style_file'} && $env{'construct.style'})
||$env{'form.clear_style_file'}) {
- &Apache::lonnet::delenv('construct\\.style');
+ &Apache::lonnet::delenv('construct.style');
} elsif ($env{'form.style_file'}
&& $env{'construct.style'} ne $env{'form.style_file'}) {
- &Apache::lonnet::appenv('construct.style' =>
- $env{'form.style_file'});
+ &Apache::lonnet::appenv({'construct.style' =>
+ $env{'form.style_file'}});
}
}
}
+#
+# Sets interval for current user so time left will be zero, either for the entire folder
+# containing the current resource, or just the resource, depending on value of first item
+# in interval array retrieved from EXT("resource.0.interval");
+#
+sub zero_timer {
+ my ($symb) = @_;
+ my ($hastimeleft,$first_access,$now);
+ my @interval=&Apache::lonnet::EXT("resource.0.interval");
+ if (@interval > 1) {
+ if ($interval[1] eq 'course') {
+ return;
+ } else {
+ my $now = time;
+ my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
+ if ($first_access > 0) {
+ if ($first_access+$interval[0] > $now) {
+ my $done_time = $now - $first_access;
+ my $snum = 1;
+ if ($interval[1] eq 'map') {
+ $snum = 2;
+ }
+ my $result =
+ &Apache::lonparmset::storeparm_by_symb_inner($symb,'0_interval',
+ $snum,$done_time,
+ 'date_interval',
+ $env{'user.name'},
+ $env{'user.domain'});
+ return $result;
+ }
+ }
+ }
+ }
+ return;
+}
sub handler {
#my $t0 = [&gettimeofday()];
my $request=$_[0];
+
$Apache::lonxml::request=$request;
$Apache::lonxml::debug=$env{'user.debug'};
$env{'request.uri'}=$request->uri;
&setuppermissions();
- # some times multiple problemmodes are submitted, need to select
- # the last one
- if ( defined($env{'form.problemmode'}) && ref($env{'form.problemmode'}) ) {
- my $mode=$env{'form.problemmode'}->[-1];
- undef $env{'form.problemmode'};
- $env{'form.problemmode'}=$mode;
- }
my $file=&Apache::lonnet::filelocation("",$request->uri);
#check if we know where we are
- if ($env{'request.course.fn'} && !&Apache::lonnet::symbread()) {
+ if ($env{'request.course.fn'} && !&Apache::lonnet::symbread('','',1,1)) {
# if we are browsing we might not be able to know where we are
if ($Apache::lonhomework::browse ne 'F' &&
$env{'request.state'} ne "construct") {
@@ -1111,6 +1410,7 @@ sub handler {
&unset_permissions();
return OK;
}
+
&Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:$Apache::lonhomework::modifygrades:$Apache::lonhomework::queuegrade");
&Apache::lonxml::debug("Problem Mode ".$env{'form.problemmode'});
my ($symb) = &Apache::lonnet::whichuser();
@@ -1121,22 +1421,32 @@ sub handler {
['problemmode']);
if (!(defined $env{'form.problemmode'})) {
#first visit to problem in construction space
- $env{'form.problemmode'}='View';
+ $env{'form.problemmode'}= 'view';
&renderpage($request,$file);
- } elsif ($env{'form.problemmode'} eq &mt('EditXML') ||
- $env{'form.problemmode'} eq 'EditXML') {
+ } elsif (($env{'form.problemmode'} eq 'editxml') ||
+ ($env{'form.problemmode'} eq 'saveeditxml') ||
+ ($env{'form.problemmode'} eq 'saveviewxml') ||
+ ($env{'form.problemmode'} eq 'undoxml')) {
&editxmlmode($request,$file);
- } elsif ($env{'form.problemmode'} eq &mt('Calculate answers')) {
+ } elsif ($env{'form.problemmode'} eq 'calcanswers') {
&analyze($request,$file);
} else {
&update_construct_style();
&renderpage($request,$file);
}
} else {
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['mode']);
# requested file doesn't exist in contruction space
&newproblem($request);
}
} else {
+ # Set the event timer to zero if the "done button" was clicked. The button is
+ # part of the doneButton form created in lonmenu.pm
+ if ($symb && $env{'form.LC_interval_done'} eq 'true') {
+ &zero_timer($symb);
+ undef($env{'form.LC_interval_done'});
+ }
# just render the page normally outside of construction space
&Apache::lonxml::debug("not construct");
&renderpage($request,$file);
@@ -1150,5 +1460,175 @@ sub handler {
}
+sub template_dropdown_datastructure {
+ # gathering the all templates and their path, title, category and help topic
+ my @templates = get_template_list('problem');
+ # template category => title
+ my %tmplthash = ();
+ # template title => path
+ my %tmpltcontent = ();
+
+ foreach my $template (@templates){
+ # put in hash if the template is not empty
+ unless ($template->[1] eq ''){
+ push(@{$tmplthash{$template->[2]}}, $template->[1]);
+ push(@{$tmpltcontent{$template->[1]}},$template->[0]);
+ }
+ }
+
+ my $catList = [];
+ foreach my $cat (sort keys %tmplthash) {
+ my $catItems = [];
+ foreach my $title (sort @{$tmplthash{$cat}}) {
+ my $path = $tmpltcontent{$title}->[0];
+ my $code;
+ open(FH, "<$path");
+ while(){
+ $code.= $_ unless $_ =~ /()|(<\/problem>)/;
+ }
+ close(FH);
+
+ if ($code ne '') {
+ my $href = 'javascript:insertText(\'' . &convert_for_js(&HTML::Entities::encode($code,'<>&"')) . '\')';
+ my $currItem = [$href, $title, undef];
+ push @{$catItems}, $currItem;
+ }
+ }
+ push @{$catList}, [$catItems, $cat, undef];
+ }
+
+ return $catList;
+}
+
+sub responseblock_dropdown_datastructure {
+
+ my $mathCat = [
+ [
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_formularesponse())) . "\')", &mt("Formula Response"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_functionplotresponse())) . "\')", &mt("Function Plot Response"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_mathresponse())) . "\')", &mt("Math Response"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_numericalresponse())) . "\')", &mt("Numerical Response"), undef]
+ ],
+ &mt("Math"),
+ undef
+ ];
+
+ my $miscCat = [
+ [
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_imageresponse())) . "\')", &mt("Click on Image"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_customresponse())) . "\')", &mt("Custom Response"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_externalresponse())) . "\')", &mt("External Response"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_matchresponse())) . "\')", &mt("Match Two Lists"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_radiobuttonresponse())) . "\')", &mt("One out of N statements"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_optionresponse())) . "\')", &mt("Select from Options"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_rankresponse())) . "\')", &mt("Rank Values"), undef]
+ ],
+ &mt("Miscellaneous"),
+ undef
+ ];
+
+ my $chemCat = [
+ [
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_reactionresponse())) . "\')", &mt("Chemical Reaction"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicresponse())) . "\')", &mt("Organic Chemical Structure"), undef]
+ ],
+ &mt("Chemistry"),
+ undef
+ ];
+
+ my $textCat = [
+ [
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_stringresponse())) . "\')", &mt("String Response"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_essayresponse())) . "\')", &mt("Essay"), undef]
+ ],
+ &mt("Text"),
+ undef
+ ];
+
+ return [$mathCat, $miscCat, $chemCat, $textCat];
+}
+
+
+sub conditional_scripting_datastructure {
+# TODO: corresponding routines should be used for the javascript:insertText parts
+# instead of the placeholder routine default_xml_tag with the tags
+# e.g. &default_xml_tag("postanswerdate") should be replaced with a routine which
+# returns the corresponding content for this case
+
+#TODO translated is currently temporarily here, another solution should be found where the
+# needed string can be retrieved
+
+ my $translatedTag = '
+
+
+
+';
+ return [
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode($translatedTag)) . "\')", &mt("Translated Block"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("block"))) . "\')", &mt("Conditional Block"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("postanswerdate"))) . "\')", &mt("After Answer Date Block"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("preduedate"))) . "\')", &mt("Before Due Date Block"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("solved"))) . "\')", &mt("Block For After Solved"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("notsolved"))) . "\')", &mt("Block For When Not Solved"), undef]
+ ];
+}
+
+sub misc_datastructure {
+ return [
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_img())) . "\')", &mt("Image"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::lonplot::insert_gnuplot())) . "\')", &mt("GNU Plot"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicstructure())) . "\')", &mt("Organic Structure"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_script())) . "\')", &mt("Script Block"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("allow"))) . "\')", &mt("File Dependencies"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("import"))) . "\')", &mt("Import a File"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::londefdef::insert_meta())) . "\')", &mt("Custom Metadata"), undef],
+ ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("part"))) . "\')", &mt("Problem Part"), undef]
+ ];
+}
+
+# helper routine for the datastructure building subroutines
+sub default_xml_tag {
+ my ($tag) = @_;
+ return "\n<$tag>$tag>";
+}
+
+
+sub helpmenu_datastructure {
+
+ my $width = 500;
+ my $height = 600;
+
+ my $helpers = [
+ ['Problem_LON-CAPA_Functions', &mt('Script Functions')],
+ ['Greek_Symbols', &mt('Greek Symbols')],
+ ['Other_Symbols', &mt('Other Symbols')],
+ ['Authoring_Output_Tags', &mt('Output Tags')],
+ ['Authoring_Multilingual_Problems',
+ &mt('How to create problems in different languages')]
+ ];
+
+ my $help_structure = [];
+
+ foreach my $count (0..(scalar(@{$helpers})-1)) {
+ my $filename = $helpers->[$count]->[0];
+ my $title = $helpers->[$count]->[1];
+ my $href = &HTML::Entities::encode("javascript:openMyModal('/adm/help/$filename.hlp',$width,$height,'yes');");
+ push @{$help_structure}, [$href, $title, undef];
+ }
+
+ return $help_structure;
+}
+
+# we need substitution to not break javascript code
+sub convert_for_js {
+ my $return = shift;
+ $return =~ s|script|ESCAPEDSCRIPT|g;
+ $return =~ s|\\|\\\\|g;
+ $return =~ s|\n|\\r\\n|g;
+ $return =~ s|'|\\'|g;
+ $return =~ s|'|\\'|g;
+ return $return;
+}
+
1;
__END__