Annotation of loncom/interface/lonbulletin.pm, revision 1.34
1.1 www 1: # The LearningOnline Network
1.5 www 2: # Bulletin Board Handler
1.1 www 3: #
1.34 ! albertel 4: # $Id: lonbulletin.pm,v 1.33 2006/03/21 20:41:40 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
79: my $addentries='';
1.29 albertel 80: if ($env{'form.register'}) {
1.26 raeburn 81: $addentries=' onLoad="'.&Apache::lonmenu::loadevents();
1.29 albertel 82: if ($env{'form.origpage'}) {
1.26 raeburn 83: $addentries .= "document.location='#newpost';";
84: }
85: $addentries .= '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
1.7 www 86: $r->print(&Apache::lonmenu::registerurl(1));
1.29 albertel 87: } elsif ($env{'form.origpage'}) {
1.26 raeburn 88: $addentries = "onLoad=\"document.location='#newpost';\"";
1.7 www 89: }
1.1 www 90: # --------------------------------------------------------------- Force Student
91: my $forcestudent='';
1.29 albertel 92: if ($env{'form.forcestudent'}) { $forcestudent='student'; }
1.19 www 93:
94: my $forceedit='';
1.29 albertel 95: if ($env{'form.forceedit'}) { $forceedit='edit'; }
1.1 www 96:
97: my %syllabus=&Apache::lonnet::dump('bulletinpage_'.$marker,$dom,$crs);
98:
99: # --------------------------------------- There is such a user, get environment
1.32 albertel 100: if ($target ne 'tex') {
101: my $start_page =
102: &Apache::loncommon::start_page("Bulletin Board/Discussion",undef,
103: {'function' => $forcestudent,
104: 'add_entries' => $addentries,
1.33 albertel 105: 'domain' => $dom,
1.32 albertel 106: 'force_register' =>
107: $env{'form.register'}});
108: $r->print($start_page);
1.23 sakharuk 109: }
1.29 albertel 110: my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
1.1 www 111:
1.19 www 112: my $privileged=$allowed;
113: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
114: $forcestudent='student';
115: }
1.27 albertel 116: if ($target ne 'tex') { $r->print('<table><tr><td>'); }
1.23 sakharuk 117: if ($forcestudent or $target eq 'tex') { $allowed=0; }
1.1 www 118:
1.23 sakharuk 119: if ($allowed) {
1.1 www 120: $r->print(
1.6 www 121: '<p>'.
1.19 www 122: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'<br /><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Student View').'</font></a>'.
1.5 www 123: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
1.23 sakharuk 124: } elsif ($privileged and $target ne 'tex') {
1.19 www 125: $r->print('<a href="'.$r->uri.'?forceedit=edit"><font size="+1">'
126: .&mt('Edit').'</font></a>');
127: }
128:
1.29 albertel 129: if (($env{'form.uploaddoc.filename'}) &&
130: ($env{'form.storeupl'}) && ($allowed)) {
131: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.20 albertel 132: if ($syllabus{'uploaded.photourl'}) {
133: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
134: }
135: $syllabus{'uploaded.photourl'}=
136: &Apache::lonnet::userfileupload('uploaddoc',1,'bulletin');
1.1 www 137: }
138: $syllabus{'uploaded.lastmodified'}=time;
139: &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
140: }
1.29 albertel 141: if (($allowed) && ($env{'form.storesyl'})) {
1.1 www 142: foreach (keys %syllabusfields) {
1.29 albertel 143: my $field=$env{'form.'.$_};
1.1 www 144: $field=~s/\s+$//s;
1.5 www 145: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.1 www 146: $syllabus{$_}=$field;
147: }
148: $syllabus{'uploaded.lastmodified'}=time;
149: &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
150: }
151:
152: # ---------------------------------------------------------------- Get syllabus
153: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
154: if ($syllabus{'uploaded.photourl'}) {
1.20 albertel 155: &Apache::lonnet::allowuploaded('/adm/syllabus',
156: $syllabus{'uploaded.photourl'});
157: $r->print('<img src="'.$syllabus{'uploaded.photourl'}.
158: '" align="right" />');
1.1 www 159: }
160: if ($allowed) {
161: $r->print(
162: '<form method="post" enctype="multipart/form-data">'.
1.19 www 163: '<input type="hidden" name="forceedit" value="edit" />'.
164: '<h3>'.&mt('Upload a Photo').'</h3>'.
1.1 www 165: '<input type="file" name="uploaddoc" size="50">'.
1.19 www 166: '<input type="submit" name="storeupl" value="'.&mt('Upload').'">'.
1.1 www 167: '</form><form method="post">');
168: }
169: foreach (sort keys %syllabusfields) {
170: if (($syllabus{$_}) || ($allowed)) {
171: my $message=$syllabus{$_};
1.30 albertel 172: &Apache::lonfeedback::newline_to_br(\$message);
173: $message
1.10 www 174: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.25 www 175: if ($allowed) {
176: $message=&Apache::lonspeller::markeduptext($message);
177: }
1.31 www 178: $message=&Apache::lontexconvert::msgtexconverted($message);
1.25 www 179: unless ($_ eq 'aaa_title') {
1.2 www 180: if (($_ ne 'bbb_content') || ($allowed)) {
1.23 sakharuk 181: if ($target ne 'tex') {
182: $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
183: } else {
184: $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\');
185: }
186: }
187: if ($target ne 'tex') {
188: $r->print('<blockquote>'.
189: $message.'</blockquote>');
190: } else {
191: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$message).' ');
1.2 www 192: }
193: if ($allowed) {
1.3 www 194: $r->print('<br /><textarea cols="80" rows="10" name="'.$_.'">'.
1.1 www 195: $syllabus{$_}.
1.19 www 196: '</textarea><input type="submit" name="storesyl" value="'.&mt('Store').'" />');
1.2 www 197: }
198: } else {
1.23 sakharuk 199: if ($target ne 'tex') {
200: $r->print('<h1>'.$message.'</h1>');
201: } else {
202: $r->print('\\\\\textbf{'.&Apache::lonxml::xmlparse($r,'tex',$message).'}\\\\');
203: }
1.2 www 204: if ($allowed) {
205: $r->print(
1.19 www 206: '<br />'.&mt('Topic').'<br /><textarea cols="80" rows="2" name="'.$_.'">'.
1.2 www 207: $syllabus{$_}.
1.19 www 208: '</textarea><input type="submit" name="storesyl" value="'.&mt('Store').'" />');
1.2 www 209: }
210: }
1.1 www 211: }
212: }
213: if ($allowed) {
214: $r->print('</form>');
215: }
1.23 sakharuk 216: if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
1.1 www 217: } else {
1.19 www 218: $r->print('<p>'.&mt('No page information provided.').'</p>');
1.1 www 219: }
1.27 albertel 220: if ($target ne 'tex') { $r->print('</td></tr></table>'); }
1.23 sakharuk 221: if ($target ne 'tex') {
222: $r->print(&Apache::lonfeedback::list_discussion
223: ('board','OPEN','bulletin___'.$marker.'___'.
224: $r->uri));
225: } else {
226: $r->print('\\\\'.&Apache::lonxml::xmlparse($r,'tex',&Apache::lonfeedback::list_discussion
227: ('board','OPEN','bulletin___'.$marker.'___'.
228: $r->uri)));
229: }
1.32 albertel 230: if ($target ne 'tex') {
231: $r->print(&Apache::loncommon::end_page());
232: } else {
233: $r->print('\end{document}');
234: }
1.1 www 235: return OK;
236: }
237:
238: 1;
239: __END__
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