1: # The LearningOnline Network with CAPA
2: # tags that create controlled output
3: #
4: # $Id: outputtags.pm,v 1.20 2002/10/16 19:21:32 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::outputtags;
30:
31: use strict;
32: use Apache::lonnet;
33: use POSIX qw(strftime);
34:
35: BEGIN {
36: &Apache::lonxml::register('Apache::outputtags',('displayduedate','displaytitle'));
37: }
38:
39: sub initialize_outputtags {
40: %Apache::outputtags::showonce=();
41: }
42:
43: sub start_displayduedate {
44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
45: my $result;
46: if (exists($Apache::outputtags::showonce{'displayduedate'})) {
47: return '';
48: } else {
49: $Apache::outputtags::showonce{'displayduedate'}=1;
50: }
51: my $status=$Apache::inputtags::status['-1'];
52: &Apache::lonxml::debug("got a $status in duedatebox");
53: if (($status =~ /CAN.*_ANSWER/) && ($target eq 'web')) {
54: my $format = &Apache::lonxml::get_param('format',$parstack,$safeeval);
55: if ($format eq '') {
56: &Apache::lonxml::debug("using default format");
57: $format="%c";
58: }
59: my $id = $Apache::inputtags::part;
60: my $date = &Apache::lonnet::EXT("resource.$id.duedate");
61: &Apache::lonxml::debug("duedatebox found $date for $id");
62: if ($date) {
63: $result ='<table border="on"><tr><td>Due at '.
64: POSIX::strftime($format,localtime($date)).
65: '</td></tr></table>';
66: } else {
67: $result ='<table border="on"><tr><td>No due date set.</td></tr></table>';
68: }
69: } elsif ( $target eq 'edit' ) {
70: $result=&Apache::edit::tag_start($target,$token);
71: $result.='</td></tr>';
72: $result.=&Apache::edit::end_table();
73: }
74: return $result;
75: }
76:
77: sub end_displayduedate {
78: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
79: my @result;
80: if ($target eq 'edit') { $result[1]='no'; }
81: return @result;
82: }
83:
84: sub start_displaytitle {
85: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
86: my $result='';
87: if (exists($Apache::outputtags::showonce{'displayduedate'})) {
88: return '';
89: } else {
90: $Apache::outputtags::showonce{'displayduedate'}=1;
91: }
92: if ($target eq 'web') {
93: $result="<h1>$Apache::lonhomework::name</h1>";
94: } elsif ($target eq 'edit') {
95: $result=&Apache::edit::tag_start($target,$token);
96: $result.='</td></tr>';
97: $result.=&Apache::edit::end_table();
98: } elsif ($target eq 'tex') {
99: $Apache::lonhomework::name=~s/%/\%/g;
100: $Apache::lonhomework::name=~s/&/\&/g;
101: $result='\vskip 0 mm\noindent\textbf{'.$Apache::lonhomework::name.'}\vskip 0 mm';
102: }
103: return $result;
104: }
105:
106: sub end_displaytitle {
107: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
108: my @result;
109: if ($target eq 'edit') { $result[1]='no'; }
110: return @result;
111: }
112:
113: 1;
114: __END__
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