--- loncom/homework/outputtags.pm 2006/04/20 19:09:48 1.47
+++ loncom/homework/outputtags.pm 2023/03/25 18:38:25 1.62
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# tags that create controlled output
#
-# $Id: outputtags.pm,v 1.47 2006/04/20 19:09:48 albertel Exp $
+# $Id: outputtags.pm,v 1.62 2023/03/25 18:38:25 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -26,24 +26,88 @@
# http://www.lon-capa.org/
#
+
+
package Apache::outputtags;
use strict;
use Apache::lonlocal;
use Apache::lonnet;
+use LONCAPA::LWPReq;
use POSIX qw(strftime);
BEGIN {
&Apache::lonxml::register('Apache::outputtags',('displayduedate','displaytitle','displayweight','displaystudentphoto'));
}
-# Empties the hash of tags that have already been displayed
-# that should only be displayed once.
+
+################################ utilities ###########################
+
+#
+# Does a simple substitution of a tab when the opening tag can
+# be replaced by a fixed string.. and same for the closing tag.
+# Parameters:
+# $input - String in in which to do the substitutions.
+# $tag - name of tag without the <>'s e.g. sub for
+# $opening - What to replace <$tag> with
+# $closing - What to replace $tag> with.
+# Returns:
+# Input string appropriately substituted.
#
+sub substitute_tag {
+ my ($input,
+ $tag,
+ $opening,
+ $closing) = @_;
+
+ $input =~ s/<$tag>/$opening/gi;
+ $input =~ s/<\/$tag>/$closing/gi;
+
+ return $input;
+}
+
+#
+# Substitutes the simple formatting tags in a string
+# Parameters:
+# $string - input string.
+# Returns
+# Result of string after simple substitutions
+# Tags we handle are:
+# ,
+#
+sub substitute_simple_tags_latex {
+ my ($string) = @_;
+
+ # restore the <>'s:
+
+ $string =~ s/\\ensuremath\{<}/}/>/g;
+
+
+ # Substitute the tags:
+
+ $string = &substitute_tag($string, "sub", '\ensuremath{_', '}');
+ $string = &substitute_tag($string, 'sup', '\ensuremath{^', '}');
+ $string = &substitute_tag($string, 'em', '\em{', '}');
+
+
+ # Escape the remaining <>'s again:
+
+ $string =~ s/\\ensuremath{<}/g;
+ $string =~ s/>/\\ensuremath{>}/g;
+
+
+
+ return $string;
+}
+
+################################ The parser ##########################
+
sub initialize_outputtags {
%Apache::outputtags::showonce=();
}
+
sub start_displayduedate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
@@ -73,15 +137,7 @@ sub start_displayduedate {
}
if (($status =~ /CAN.*_ANSWER/)) {
my $id = $Apache::inputtags::part;
- my $date;
- my $interval= &Apache::lonnet::EXT("resource.$id.interval");
- if ($interval) {
- my $first_access=&Apache::lonnet::get_first_access('map');
- if ($first_access) { $date = $first_access+$interval; }
- }
- if (!defined($date)) {
- $date = &Apache::lonnet::EXT("resource.$id.duedate");
- }
+ my $date = &Apache::lonhomework::due_date($id);
&Apache::lonxml::debug("duedatebox found $date for $id");
# Only show the due date if the current date is
@@ -113,8 +169,10 @@ sub start_displayduedate {
my $duetext = &Apache::lonnavmaps::timeToHumanString($date, '', $format);
if (lc($style) !~ 'plain') {
# The due date will be put in a box.
-
- $result = '\framebox{'
+ # at the start of the line to ensure it won't overlap
+ # the 1 col boundary.
+
+ $result = '\vspace{1.0 ex} \framebox{'
.&mt('Due').' '.$duetext.'}';
} else {
$result = &mt('Due') . ' '.$duetext;
@@ -158,6 +216,7 @@ sub start_displaytitle {
$result.=&Apache::edit::end_table();
} elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
$name=&Apache::lonxml::latex_special_symbols($name);
+ $name = &substitute_simple_tags_latex($name);
if (lc($style) !~ 'plain') {
$result='\vskip 0 mm\noindent\textbf{'.$name.'}\vskip 0 mm';
} else {
@@ -177,7 +236,7 @@ sub end_displaytitle {
sub multipart {
my ($uri)=@_;
if (!defined($uri)) { $uri=$env{'request.uri'}; }
- my ($symb)=&Apache::lonxml::whichuser();
+ my ($symb)=&Apache::lonnet::whichuser();
my @parts;
my $metadata = &Apache::lonnet::metadata($uri,'packages');
@@ -244,13 +303,13 @@ sub end_displayweight {
sub start_displaystudentphoto {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
- my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
+ my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
if ($target eq 'web' && $user eq $env{'user.name'}) {
my $url=&Apache::lonnet::studentphoto($domain,$user,"gif");
my $args;
my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
if ($width) { $args.=" width=\"$width\" "; }
- my $height=&Apache::lonxml::get_param('heigth',$parstack,$safeeval);
+ my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval);
if ($height) { $args.=" height=\"$height\" "; }
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval);
if ($align) { $args.=" align=\"$align\" "; }
@@ -258,12 +317,12 @@ sub start_displaystudentphoto {
}
if ($target eq 'tex' && $env{'request.role'} =~ /^cc/) {
my $url=&Apache::lonnet::studentphoto($domain,$user,"eps");
- my $ua=new LWP::UserAgent;
+ my $uhome=&Apache::lonnet::homeserver($user,$domain);
my $request=new HTTP::Request('GET',$url);
- my $response=$ua->request($request);
+ my $response=&LONCAPA::LWPReq::makerequest($uhome,$request,'','','',1);
if ($response->is_success) {
my $file=$user."_".$domain."_studentphoto.eps";
- open(FILE,">".$Apache::lonnet::perlvar{'lonPrtDir'}."/$file");
+ open(FILE,">",$Apache::lonnet::perlvar{'lonPrtDir'}."/$file");
print FILE $response->content;
close(FILE);
my $width_param=&Apache::londefdef::image_size($Apache::lonnet::perlvar{'lonPrtDir'}."/$file",'0.3',$parstack,$safeeval);
@@ -285,3 +344,47 @@ sub end_displaystudentphoto {
1;
__END__
+
+
+=head1 NAME
+
+Apache::outputtags;
+
+=head1 SYNOPSIS
+
+Handles tags associated with output. Seems to
+relate to due dates of the assignment.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 SUBROUTINES
+
+=over
+
+=item start_displayduedate()
+
+=item initialize_outputtags()
+
+Empties the hash of tags that have already been displayed that should only be displayed once.
+
+=item end_displayduedate()
+
+=item start_displaytitle()
+
+=item end_displaytitle()
+
+=item multipart()
+
+=item start_displayweight()
+
+=item end_displayweight()
+
+=item start_displaystudentphoto()
+
+=item end_displaystudentphoto()
+
+
+=back
+
+=cut