Annotation of loncom/interface/lonsyllabus.pm, revision 1.23
1.1 www 1: # The LearningOnline Network
2: # Syllabus
3: #
1.23 ! www 4: # $Id: lonsyllabus.pm,v 1.22 2003/09/09 19:39:04 www 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::lonsyllabus;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
34: use Apache::lonnet;
1.5 www 35: use Apache::lontexconvert;
1.11 www 36: use Apache::lonfeedback;
1.19 www 37: use Apache::lonannounce;
1.23 ! www 38: use Apache::lonlocal;
1.1 www 39:
40: sub handler {
41: my $r = shift;
42: $r->content_type('text/html');
43: $r->send_http_header;
44: return OK if $r->header_only;
45:
46: # ------------------------------------------------------------ Print the screen
47: $r->print(<<ENDDOCUMENT);
48: <html>
49: <head>
50: <title>The LearningOnline Network with CAPA</title>
51: ENDDOCUMENT
1.2 www 52: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
1.3 www 53: # Is this even a course?
1.7 www 54: my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
55: if ($homeserver eq 'no_host') {
1.23 ! www 56: $r->print('</head><body>'.&mt('No syllabus available').'</body></html>');
1.3 www 57: return OK;
58: }
1.5 www 59: # --------------------------------------------------------- The syllabus fields
1.23 ! www 60: my %syllabusfields=&Apache::lonlocal::texthash(
1.5 www 61: 'aaa_instructorinfo' => 'Instructor Information',
62: 'bbb_description' => 'Course Description',
63: 'ccc_prereq' => 'Prerequisites',
1.7 www 64: 'cdc_classhours' => 'Class Hours',
1.5 www 65: 'ddd_officehours' => 'Office Hours',
66: 'eee_helproom' => 'Helproom Hours',
1.7 www 67: 'efe_projectinfo' => 'Project Information',
1.5 www 68: 'fff_examinfo' => 'Exam Information',
1.7 www 69: 'fgf_deadlines' => 'Deadlines',
1.5 www 70: 'ggg_grading' => 'Grading Information',
1.7 www 71: 'hhh_readings' => 'Readings',
72: 'iii_coursepack' => 'Coursepack',
73: 'jjj_weblinks' => 'Web Links',
1.9 www 74: 'kkk_textbook' => 'Textbook',
75: 'lll_includeurl' => 'URLs To Include in Syllabus');
1.5 www 76:
1.14 www 77: # ------------------------------------------------------------ Get query string
78: &Apache::loncommon::get_unprocessed_cgi
79: ($ENV{'QUERY_STRING'},['forcestudent','register']);
80: # ----------------------------------------------------- Force menu registration
81: my $addentries='';
82: if ($ENV{'form.register'}) {
83: $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
84: '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
85: $r->print(&Apache::lonmenu::registerurl(1));
86: }
1.6 www 87: # --------------------------------------------------------------- Force Student
88: my $forcestudent='';
89: if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
1.5 www 90:
1.3 www 91: # ------------------------------------- There is such a course, get environment
1.2 www 92: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
1.14 www 93: $r->print('</head>'.&Apache::loncommon::bodytag
1.15 www 94: ("Syllabus",$forcestudent,$addentries,'',$cdom,$ENV{'form.register'}));
1.2 www 95: $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
96: $Apache::lonnet::domaindescription{$cdom}.'</h3>');
1.19 www 97: # -------------------------------------------------------------- Announcements?
98: $r->print(&Apache::lonannounce::showday(time,2,
99: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)));
1.17 www 100: # -------------------------------------------------------- Get course personnel
101: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
102: $r->print('<table border="2">');
1.18 www 103: foreach (sort keys %coursepersonnel) {
1.17 www 104: $r->print('<tr><td>'.$_.'</td><td>');
105: foreach (split(/\,/,$coursepersonnel{$_})) {
106: my ($puname,$pudom)=split(/\:/,$_);
107: $r->print(' '.&Apache::loncommon::aboutmewrapper(
108: &Apache::loncommon::plainname($puname,
109: $pudom),$puname,$pudom));
110: }
111: $r->print('</td></tr>');
112: }
113: $r->print('</table>');
114: # ---------------------------------------------------------- Load syllabus info
1.4 www 115: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
1.5 www 116: my $allowed=0;
1.4 www 117:
1.2 www 118: # This handler might be called anonymously ...
119: # ----------------------------------------------------- Only if not public call
120: if ($ENV{'user.environment'}) {
1.1 www 121: # does this user have privileges to post, etc?
1.2 www 122: if ($ENV{'request.course.id'}) {
1.22 www 123: $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
1.6 www 124: if ($forcestudent) { $allowed=0; }
1.2 www 125: }
1.6 www 126: if ($allowed) {
1.12 www 127: $r->print('<p>'.
1.23 ! www 128: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p>'.&mt('This syllabus can be publicly viewed at')
! 129: .' <tt>http://'.
1.10 www 130: $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt>'.
131: &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.
1.21 www 132: '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">Show Public View</font></a>'.
1.10 www 133: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
134: '</p>');
1.6 www 135: }
1.5 www 136: if (($allowed) && ($ENV{'form.storesyl'})) {
137: foreach (keys %syllabusfields) {
138: my $field=$ENV{'form.'.$_};
139: $field=~s/\s+$//s;
1.11 www 140: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.7 www 141: $syllabus{$_}=$field;
1.9 www 142: if ($_ eq 'lll_includeurl') { # clean up included URLs
143: my $field='';
144: foreach (split(/\n/,$syllabus{$_})) {
145: my $url=$_;
146: # get rid of leading and trailing spaces
147: $url=~s/^\s+//;
148: $url=~s/\s+$//;
149: if ($url=~/^http\:\/\/([^\/]+)\/(.+)$/) {
150: my $remainder=$2;
151: # remove the hostname from internal URLs
152: foreach (keys %Apache::lonnet::hostname) {
153: if ($1=~/$Apache::lonnet::hostname{$_}/i) {
154: $url=$remainder;
155: }
156: }
157: }
158: # norm internal URLs
159: unless ($url=~/^http\:/) {
160: $url=&Apache::lonnet::clutter($url);
161: }
162: # re-assemble field
163: if ($url) {
164: $field.=$url."\n";
165: }
166: }
167: $syllabus{$_}=$field;
168: }
1.5 www 169: }
170: $syllabus{'uploaded.domain'}=$ENV{'user.domain'};
171: $syllabus{'uploaded.name'}=$ENV{'user.name'};
172: $syllabus{'uploaded.lastmodified'}=time;
173: &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
174: }
1.4 www 175: }
176: # ---------------------------------------------------------------- Get syllabus
1.5 www 177: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.8 www 178: my $lastmod=$syllabus{'uploaded.lastmodified'};
179: $lastmod=($lastmod?localtime($lastmod):'never');
180:
1.23 ! www 181: $r->print('<table><tr><td>'.&mt('Uploaded').':</td><td>'.
1.7 www 182: &Apache::loncommon::aboutmewrapper(
1.4 www 183: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
1.7 www 184: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
1.4 www 185: $syllabus{'uploaded.domain'}).
1.8 www 186: '</td></tr><tr><td>Last updated:</td><td>'.
187: $lastmod.
1.5 www 188: '</td></tr></table><p>');
189: if ($allowed) {
190: $r->print('<form method="post">');
191: }
192: foreach (sort keys %syllabusfields) {
193: if (($syllabus{$_}) || ($allowed)) {
194: my $message=$syllabus{$_};
1.9 www 195: if ($_ eq 'lll_includeurl') { # this is the "included" field
196: my $urls=$message;
197: $message='';
198: foreach my $filelink (split(/\n/,$urls)) {
199: my $output='';
200: # embed style?
201: my ($curfext)=($filelink=~/\.([^\.]+)$/);
202: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1.12 www 203: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {
1.9 www 204: # make ssi call and remove everything but the body contents
1.13 www 205: $output=&Apache::lonnet::ssi_body($filelink);
1.9 www 206: } elsif ($embstyle eq 'img') {
207: # embed as an image
208: $output='<img src="'.$filelink.'" />';
209: }
210: $message.='<p>'.$output.'</p>';
211: }
212: if ($allowed) {
213: $r->print('<h3>'.$syllabusfields{$_}.
1.10 www 214: &Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>'.
1.21 www 215: '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">Show Public View</font></a>'.
1.10 www 216: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
1.9 www 217: } else {
218: $r->print($message);
219: }
220: } else {
221: $message=~s/\n/\<br \/\>/g;
222: $message
1.20 www 223: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.9 www 224: $message=&Apache::lontexconvert::msgtexconverted($message);
225: $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
1.5 www 226: $message.'</blockquote>');
1.9 www 227: }
1.5 www 228: if ($allowed) {
229: $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
230: $syllabus{$_}.
231: '</textarea><input type="submit" name="storesyl" value="Store" />');
232: }
233: }
234: }
235: if ($allowed) {
236: $r->print('</form>');
237: }
238: $r->print('</p>');
1.4 www 239: } else {
240: $r->print('<p>No syllabus information provided.</p>');
1.1 www 241: }
242: $r->print('</body></html>');
243: return OK;
244: }
245:
246: 1;
247: __END__
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