Annotation of loncom/interface/lonbulletin.pm, revision 1.35
1.1 www 1: # The LearningOnline Network
1.5 www 2: # Bulletin Board Handler
1.1 www 3: #
1.35 ! albertel 4: # $Id: lonbulletin.pm,v 1.34 2006/03/21 21:01:22 albertel 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;
1.29 albertel 44: my $target=$env{'form.grade_target'};
1.23 sakharuk 45:
1.1 www 46: # ------------------------------------------------------------ Print the screen
1.32 albertel 47: if ($target eq 'tex') {
1.29 albertel 48: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
1.23 sakharuk 49: }
1.2 www 50: my (undef,undef,undef,undef,$marker)=split(/\//,$r->uri);
1.1 www 51: # Is this even in a course?
1.32 albertel 52: if (!$env{'request.course.id'}) {
1.34 albertel 53: &Apache::loncommon::simple_error_page($r,'Not in a course',
54: 'Not in a course');
1.1 www 55: return OK;
56: }
57:
58: $marker=~s/\D//g;
59:
1.32 albertel 60: if (!$marker) {
1.34 albertel 61: &Apache::loncommon::simple_error_page($r,'Invalid Call',
62: 'Invalid Call');
1.1 www 63: return OK;
64: }
65:
1.29 albertel 66: my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
67: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
1.1 www 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
1.26 raeburn 77: ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register','origpage']);
1.7 www 78: # ----------------------------------------------------- Force menu registration
1.35 ! albertel 79: my %addentries;
! 80: if ($env{'form.origpage'}) {
! 81: $addentries{'onload'} = "document.location='#newpost';";
1.7 www 82: }
1.1 www 83: # --------------------------------------------------------------- Force Student
84: my $forcestudent='';
1.29 albertel 85: if ($env{'form.forcestudent'}) { $forcestudent='student'; }
1.19 www 86:
87: my $forceedit='';
1.29 albertel 88: if ($env{'form.forceedit'}) { $forceedit='edit'; }
1.1 www 89:
90: my %syllabus=&Apache::lonnet::dump('bulletinpage_'.$marker,$dom,$crs);
91:
92: # --------------------------------------- There is such a user, get environment
1.32 albertel 93: if ($target ne 'tex') {
94: my $start_page =
95: &Apache::loncommon::start_page("Bulletin Board/Discussion",undef,
96: {'function' => $forcestudent,
1.35 ! albertel 97: 'add_entries' => \%addentries,
1.33 albertel 98: 'domain' => $dom,
1.32 albertel 99: 'force_register' =>
100: $env{'form.register'}});
101: $r->print($start_page);
1.23 sakharuk 102: }
1.29 albertel 103: my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
1.1 www 104:
1.19 www 105: my $privileged=$allowed;
106: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
107: $forcestudent='student';
108: }
1.27 albertel 109: if ($target ne 'tex') { $r->print('<table><tr><td>'); }
1.23 sakharuk 110: if ($forcestudent or $target eq 'tex') { $allowed=0; }
1.1 www 111:
1.23 sakharuk 112: if ($allowed) {
1.1 www 113: $r->print(
1.6 www 114: '<p>'.
1.19 www 115: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'<br /><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Student View').'</font></a>'.
1.5 www 116: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
1.23 sakharuk 117: } elsif ($privileged and $target ne 'tex') {
1.19 www 118: $r->print('<a href="'.$r->uri.'?forceedit=edit"><font size="+1">'
119: .&mt('Edit').'</font></a>');
120: }
121:
1.29 albertel 122: if (($env{'form.uploaddoc.filename'}) &&
123: ($env{'form.storeupl'}) && ($allowed)) {
124: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.20 albertel 125: if ($syllabus{'uploaded.photourl'}) {
126: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
127: }
128: $syllabus{'uploaded.photourl'}=
129: &Apache::lonnet::userfileupload('uploaddoc',1,'bulletin');
1.1 www 130: }
131: $syllabus{'uploaded.lastmodified'}=time;
132: &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
133: }
1.29 albertel 134: if (($allowed) && ($env{'form.storesyl'})) {
1.1 www 135: foreach (keys %syllabusfields) {
1.29 albertel 136: my $field=$env{'form.'.$_};
1.1 www 137: $field=~s/\s+$//s;
1.5 www 138: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.1 www 139: $syllabus{$_}=$field;
140: }
141: $syllabus{'uploaded.lastmodified'}=time;
142: &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
143: }
144:
145: # ---------------------------------------------------------------- Get syllabus
146: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
147: if ($syllabus{'uploaded.photourl'}) {
1.20 albertel 148: &Apache::lonnet::allowuploaded('/adm/syllabus',
149: $syllabus{'uploaded.photourl'});
150: $r->print('<img src="'.$syllabus{'uploaded.photourl'}.
151: '" align="right" />');
1.1 www 152: }
153: if ($allowed) {
154: $r->print(
155: '<form method="post" enctype="multipart/form-data">'.
1.19 www 156: '<input type="hidden" name="forceedit" value="edit" />'.
157: '<h3>'.&mt('Upload a Photo').'</h3>'.
1.1 www 158: '<input type="file" name="uploaddoc" size="50">'.
1.19 www 159: '<input type="submit" name="storeupl" value="'.&mt('Upload').'">'.
1.1 www 160: '</form><form method="post">');
161: }
162: foreach (sort keys %syllabusfields) {
163: if (($syllabus{$_}) || ($allowed)) {
164: my $message=$syllabus{$_};
1.30 albertel 165: &Apache::lonfeedback::newline_to_br(\$message);
166: $message
1.10 www 167: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.25 www 168: if ($allowed) {
169: $message=&Apache::lonspeller::markeduptext($message);
170: }
1.31 www 171: $message=&Apache::lontexconvert::msgtexconverted($message);
1.25 www 172: unless ($_ eq 'aaa_title') {
1.2 www 173: if (($_ ne 'bbb_content') || ($allowed)) {
1.23 sakharuk 174: if ($target ne 'tex') {
175: $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
176: } else {
177: $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\');
178: }
179: }
180: if ($target ne 'tex') {
181: $r->print('<blockquote>'.
182: $message.'</blockquote>');
183: } else {
184: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$message).' ');
1.2 www 185: }
186: if ($allowed) {
1.3 www 187: $r->print('<br /><textarea cols="80" rows="10" name="'.$_.'">'.
1.1 www 188: $syllabus{$_}.
1.19 www 189: '</textarea><input type="submit" name="storesyl" value="'.&mt('Store').'" />');
1.2 www 190: }
191: } else {
1.23 sakharuk 192: if ($target ne 'tex') {
193: $r->print('<h1>'.$message.'</h1>');
194: } else {
195: $r->print('\\\\\textbf{'.&Apache::lonxml::xmlparse($r,'tex',$message).'}\\\\');
196: }
1.2 www 197: if ($allowed) {
198: $r->print(
1.19 www 199: '<br />'.&mt('Topic').'<br /><textarea cols="80" rows="2" name="'.$_.'">'.
1.2 www 200: $syllabus{$_}.
1.19 www 201: '</textarea><input type="submit" name="storesyl" value="'.&mt('Store').'" />');
1.2 www 202: }
203: }
1.1 www 204: }
205: }
206: if ($allowed) {
207: $r->print('</form>');
208: }
1.23 sakharuk 209: if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
1.1 www 210: } else {
1.19 www 211: $r->print('<p>'.&mt('No page information provided.').'</p>');
1.1 www 212: }
1.27 albertel 213: if ($target ne 'tex') { $r->print('</td></tr></table>'); }
1.23 sakharuk 214: if ($target ne 'tex') {
215: $r->print(&Apache::lonfeedback::list_discussion
216: ('board','OPEN','bulletin___'.$marker.'___'.
217: $r->uri));
218: } else {
219: $r->print('\\\\'.&Apache::lonxml::xmlparse($r,'tex',&Apache::lonfeedback::list_discussion
220: ('board','OPEN','bulletin___'.$marker.'___'.
221: $r->uri)));
222: }
1.32 albertel 223: if ($target ne 'tex') {
224: $r->print(&Apache::loncommon::end_page());
225: } else {
226: $r->print('\end{document}');
227: }
1.1 www 228: return OK;
229: }
230:
231: 1;
232: __END__
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