1: # The LearningOnline Network with CAPA
2: # tags that create controlled output
3: #
4: # $Id: outputtags.pm,v 1.21 2002/10/16 20:42:22 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: $result ='<table border="on"><tr><td>Due '.
63: &Apache::lonnavmaps::timeToHumanString($date).
64: '</td></tr></table>';
65: # } else {
66: # $result ='<table border="on"><tr><td>No due date set.</td></tr></table>';
67: # }
68: } elsif ( $target eq 'edit' ) {
69: $result=&Apache::edit::tag_start($target,$token);
70: $result.='</td></tr>';
71: $result.=&Apache::edit::end_table();
72: }
73: return $result;
74: }
75:
76: sub end_displayduedate {
77: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
78: my @result;
79: if ($target eq 'edit') { $result[1]='no'; }
80: return @result;
81: }
82:
83: sub start_displaytitle {
84: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
85: my $result='';
86: if (exists($Apache::outputtags::showonce{'displayduetitle'})) {
87: return '';
88: } else {
89: $Apache::outputtags::showonce{'displayduetitle'}=1;
90: }
91: if ($target eq 'web') {
92: $result="<h1>$Apache::lonhomework::name</h1>";
93: } elsif ($target eq 'edit') {
94: $result=&Apache::edit::tag_start($target,$token);
95: $result.='</td></tr>';
96: $result.=&Apache::edit::end_table();
97: } elsif ($target eq 'tex') {
98: $Apache::lonhomework::name=~s/%/\%/g;
99: $Apache::lonhomework::name=~s/&/\&/g;
100: $result='\vskip 0 mm\noindent\textbf{'.$Apache::lonhomework::name.'}\vskip 0 mm';
101: }
102: return $result;
103: }
104:
105: sub end_displaytitle {
106: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
107: my @result;
108: if ($target eq 'edit') { $result[1]='no'; }
109: return @result;
110: }
111:
112: 1;
113: __END__
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