Annotation of loncom/interface/lonbulletin.pm, revision 1.22
1.1 www 1: # The LearningOnline Network
1.5 www 2: # Bulletin Board Handler
1.1 www 3: #
1.22 ! raeburn 4: # $Id: lonbulletin.pm,v 1.21 2004/05/05 21:04:14 raeburn Exp $
1.1 www 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::lonbulletin;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
34: use Apache::lonnet;
35: use Apache::lontexconvert;
1.6 www 36: use Apache::lonfeedback;
1.15 www 37: use Apache::lonlocal;
1.1 www 38:
39: sub handler {
40: my $r = shift;
1.16 www 41: &Apache::loncommon::content_type($r,'text/html');
1.1 www 42: $r->send_http_header;
43: return OK if $r->header_only;
44:
1.22 ! raeburn 45: # &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous']);
1.1 www 46: # ------------------------------------------------------------ Print the screen
47: $r->print(<<ENDDOCUMENT);
48: <html>
49: <head>
50: <title>The LearningOnline Network with CAPA</title>
51: ENDDOCUMENT
1.2 www 52: my (undef,undef,undef,undef,$marker)=split(/\//,$r->uri);
1.1 www 53: # Is this even in a course?
54: unless ($ENV{'request.course.id'}) {
1.8 www 55: $r->print('</head><body>Not in a course</body></html>');
1.1 www 56: return OK;
57: }
58:
59: $marker=~s/\D//g;
60:
61: unless ($marker) {
62: $r->print('<body>Invalid call</body>');
63: return OK;
64: }
65:
66: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
67: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
68:
69: # --------------------------------------------------------- The syllabus fields
1.17 www 70: my %syllabusfields=&Apache::lonlocal::texthash(
1.2 www 71: 'aaa_title' => 'Topic',
72: 'bbb_content' => 'Task',
1.1 www 73: 'ccc_webreferences' => 'Web References');
74:
1.7 www 75: # ------------------------------------------------------------ Get Query String
76: &Apache::loncommon::get_unprocessed_cgi
1.19 www 77: ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register']);
1.7 www 78: # ----------------------------------------------------- Force menu registration
79: my $addentries='';
80: if ($ENV{'form.register'}) {
81: $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
82: '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
83: $r->print(&Apache::lonmenu::registerurl(1));
84: }
1.1 www 85: # --------------------------------------------------------------- Force Student
86: my $forcestudent='';
1.19 www 87: if ($ENV{'form.forcestudent'}) { $forcestudent='student'; }
88:
89: my $forceedit='';
90: if ($ENV{'form.forceedit'}) { $forceedit='edit'; }
1.1 www 91:
92: my %syllabus=&Apache::lonnet::dump('bulletinpage_'.$marker,$dom,$crs);
93:
94: # --------------------------------------- There is such a user, get environment
95:
1.7 www 96: $r->print('</head>'.&Apache::loncommon::bodytag
1.8 www 97: ("Bulletin Board/Discussion",$forcestudent,$addentries,'',$dom,
98: $ENV{'form.register'}));
1.1 www 99:
1.12 www 100: my $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
1.1 www 101:
1.19 www 102: my $privileged=$allowed;
103: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
104: $forcestudent='student';
105: }
106:
1.1 www 107: if ($forcestudent) { $allowed=0; }
108:
109: if ($allowed) {
110: $r->print(
1.6 www 111: '<p>'.
1.19 www 112: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'<br /><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Student View').'</font></a>'.
1.5 www 113: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
1.19 www 114: } elsif ($privileged) {
115: $r->print('<a href="'.$r->uri.'?forceedit=edit"><font size="+1">'
116: .&mt('Edit').'</font></a>');
117: }
118:
1.1 www 119: if (($ENV{'form.uploaddoc.filename'}) &&
120: ($ENV{'form.storeupl'}) && ($allowed)) {
1.9 www 121: if ($ENV{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.20 albertel 122: if ($syllabus{'uploaded.photourl'}) {
123: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
124: }
125: $syllabus{'uploaded.photourl'}=
126: &Apache::lonnet::userfileupload('uploaddoc',1,'bulletin');
1.1 www 127: }
128: $syllabus{'uploaded.lastmodified'}=time;
129: &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
130: }
131: if (($allowed) && ($ENV{'form.storesyl'})) {
132: foreach (keys %syllabusfields) {
133: my $field=$ENV{'form.'.$_};
134: $field=~s/\s+$//s;
1.5 www 135: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.1 www 136: $syllabus{$_}=$field;
137: }
138: $syllabus{'uploaded.lastmodified'}=time;
139: &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
140: }
141:
142: # ---------------------------------------------------------------- Get syllabus
143: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
144: if ($syllabus{'uploaded.photourl'}) {
1.20 albertel 145: &Apache::lonnet::allowuploaded('/adm/syllabus',
146: $syllabus{'uploaded.photourl'});
147: $r->print('<img src="'.$syllabus{'uploaded.photourl'}.
148: '" align="right" />');
1.1 www 149: }
150: if ($allowed) {
151: $r->print(
152: '<form method="post" enctype="multipart/form-data">'.
1.19 www 153: '<input type="hidden" name="forceedit" value="edit" />'.
154: '<h3>'.&mt('Upload a Photo').'</h3>'.
1.1 www 155: '<input type="file" name="uploaddoc" size="50">'.
1.19 www 156: '<input type="submit" name="storeupl" value="'.&mt('Upload').'">'.
1.1 www 157: '</form><form method="post">');
158: }
159: foreach (sort keys %syllabusfields) {
160: if (($syllabus{$_}) || ($allowed)) {
161: my $message=$syllabus{$_};
162: $message=~s/\n/\<br \/\>/g;
163: $message
1.10 www 164: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.1 www 165: $message=&Apache::lontexconvert::msgtexconverted($message);
1.2 www 166: unless ($_ eq 'aaa_title') {
167: if (($_ ne 'bbb_content') || ($allowed)) {
168: $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
169: }
170: $r->print('<blockquote>'.
1.1 www 171: $message.'</blockquote>');
1.2 www 172: if ($allowed) {
1.3 www 173: $r->print('<br /><textarea cols="80" rows="10" name="'.$_.'">'.
1.1 www 174: $syllabus{$_}.
1.19 www 175: '</textarea><input type="submit" name="storesyl" value="'.&mt('Store').'" />');
1.2 www 176: }
177: } else {
178: $r->print('<h1>'.$message.'</h1>');
179: if ($allowed) {
180: $r->print(
1.19 www 181: '<br />'.&mt('Topic').'<br /><textarea cols="80" rows="2" name="'.$_.'">'.
1.2 www 182: $syllabus{$_}.
1.19 www 183: '</textarea><input type="submit" name="storesyl" value="'.&mt('Store').'" />');
1.2 www 184: }
185: }
1.1 www 186: }
187: }
188: if ($allowed) {
189: $r->print('</form>');
190: }
191: $r->print('</p>');
192: } else {
1.19 www 193: $r->print('<p>'.&mt('No page information provided.').'</p>');
1.1 www 194: }
1.13 www 195: $r->print(&Apache::lonfeedback::list_discussion
1.14 www 196: ('board','OPEN','bulletin___'.$marker.'___'.
1.22 ! raeburn 197: $r->uri).'</body></html>');
1.1 www 198: return OK;
199: }
200:
201: 1;
202: __END__
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