Annotation of loncom/interface/lonsyllabus.pm, revision 1.11
1.1 www 1: # The LearningOnline Network
2: # Syllabus
3: #
1.11 ! www 4: # $Id: lonsyllabus.pm,v 1.10 2003/02/10 15:19:43 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;
1.1 www 37:
38: sub handler {
39: my $r = shift;
40: $r->content_type('text/html');
41: $r->send_http_header;
42: return OK if $r->header_only;
43:
44: # ------------------------------------------------------------ Print the screen
45: $r->print(<<ENDDOCUMENT);
46: <html>
47: <head>
48: <title>The LearningOnline Network with CAPA</title>
49: </head>
50: ENDDOCUMENT
1.2 www 51: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
1.3 www 52: # Is this even a course?
1.7 www 53: my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
54: if ($homeserver eq 'no_host') {
1.3 www 55: $r->print('<body>No syllabus available</body>');
56: return OK;
57: }
1.5 www 58: # --------------------------------------------------------- The syllabus fields
59: my %syllabusfields=(
60: 'aaa_instructorinfo' => 'Instructor Information',
61: 'bbb_description' => 'Course Description',
62: 'ccc_prereq' => 'Prerequisites',
1.7 www 63: 'cdc_classhours' => 'Class Hours',
1.5 www 64: 'ddd_officehours' => 'Office Hours',
65: 'eee_helproom' => 'Helproom Hours',
1.7 www 66: 'efe_projectinfo' => 'Project Information',
1.5 www 67: 'fff_examinfo' => 'Exam Information',
1.7 www 68: 'fgf_deadlines' => 'Deadlines',
1.5 www 69: 'ggg_grading' => 'Grading Information',
1.7 www 70: 'hhh_readings' => 'Readings',
71: 'iii_coursepack' => 'Coursepack',
72: 'jjj_weblinks' => 'Web Links',
1.9 www 73: 'kkk_textbook' => 'Textbook',
74: 'lll_includeurl' => 'URLs To Include in Syllabus');
1.5 www 75:
1.6 www 76: # --------------------------------------------------------------- Force Student
77: &Apache::loncommon::get_unprocessed_cgi
78: ($ENV{'QUERY_STRING'},['forcestudent']);
79: my $forcestudent='';
80: if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
1.5 www 81:
1.3 www 82: # ------------------------------------- There is such a course, get environment
1.2 www 83: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
1.6 www 84: $r->print(&Apache::loncommon::bodytag
85: ("Syllabus",$forcestudent,'','',$cdom));
1.2 www 86: $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
87: $Apache::lonnet::domaindescription{$cdom}.'</h3>');
1.4 www 88: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
1.5 www 89: my $allowed=0;
1.4 www 90:
1.2 www 91: # This handler might be called anonymously ...
92: # ----------------------------------------------------- Only if not public call
93: if ($ENV{'user.environment'}) {
1.1 www 94: # does this user have privileges to post, etc?
1.2 www 95: if ($ENV{'request.course.id'}) {
96: $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
1.6 www 97: if ($forcestudent) { $allowed=0; }
1.2 www 98: }
1.6 www 99: if ($allowed) {
1.7 www 100: $r->print('<p>This syllabus can be publically viewed at <tt>http://'.
1.10 www 101: $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt>'.
102: &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.
103: '<p><a href="'.$r->uri.'?forcestudent=1">Show Student View</a>'.
104: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
105: '</p>');
1.6 www 106: }
1.5 www 107: if (($allowed) && ($ENV{'form.storesyl'})) {
108: foreach (keys %syllabusfields) {
109: my $field=$ENV{'form.'.$_};
110: $field=~s/\s+$//s;
1.11 ! www 111: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.7 www 112: $syllabus{$_}=$field;
1.9 www 113: if ($_ eq 'lll_includeurl') { # clean up included URLs
114: my $field='';
115: foreach (split(/\n/,$syllabus{$_})) {
116: my $url=$_;
117: # get rid of leading and trailing spaces
118: $url=~s/^\s+//;
119: $url=~s/\s+$//;
120: if ($url=~/^http\:\/\/([^\/]+)\/(.+)$/) {
121: my $remainder=$2;
122: # remove the hostname from internal URLs
123: foreach (keys %Apache::lonnet::hostname) {
124: if ($1=~/$Apache::lonnet::hostname{$_}/i) {
125: $url=$remainder;
126: }
127: }
128: }
129: # norm internal URLs
130: unless ($url=~/^http\:/) {
131: $url=&Apache::lonnet::clutter($url);
132: }
133: # re-assemble field
134: if ($url) {
135: $field.=$url."\n";
136: }
137: }
138: $syllabus{$_}=$field;
139: }
1.5 www 140: }
141: $syllabus{'uploaded.domain'}=$ENV{'user.domain'};
142: $syllabus{'uploaded.name'}=$ENV{'user.name'};
143: $syllabus{'uploaded.lastmodified'}=time;
144: &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
145: }
1.4 www 146: }
147: # ---------------------------------------------------------------- Get syllabus
1.5 www 148: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.8 www 149: my $lastmod=$syllabus{'uploaded.lastmodified'};
150: $lastmod=($lastmod?localtime($lastmod):'never');
151:
1.4 www 152: $r->print('<table><tr><td>Uploaded:</td><td>'.
1.7 www 153: &Apache::loncommon::aboutmewrapper(
1.4 www 154: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
1.7 www 155: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
1.4 www 156: $syllabus{'uploaded.domain'}).
1.8 www 157: '</td></tr><tr><td>Last updated:</td><td>'.
158: $lastmod.
1.5 www 159: '</td></tr></table><p>');
160: if ($allowed) {
161: $r->print('<form method="post">');
162: }
163: foreach (sort keys %syllabusfields) {
164: if (($syllabus{$_}) || ($allowed)) {
165: my $message=$syllabus{$_};
1.9 www 166: if ($_ eq 'lll_includeurl') { # this is the "included" field
167: my $urls=$message;
168: $message='';
169: foreach my $filelink (split(/\n/,$urls)) {
170: my $output='';
171: # embed style?
172: my ($curfext)=($filelink=~/\.([^\.]+)$/);
173: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
174: if ($embstyle eq 'ssi') {
175: # make ssi call and remove everything but the body contents
176: $output=&Apache::lonnet::ssi($filelink);
177: $output=~s/^.*\<body[^\>]*\>//si;
178: $output=~s/\<\/body\s*\>.*$//si;
179: } elsif ($embstyle eq 'img') {
180: # embed as an image
181: $output='<img src="'.$filelink.'" />';
182: }
183: $message.='<p>'.$output.'</p>';
184: }
185: if ($allowed) {
186: $r->print('<h3>'.$syllabusfields{$_}.
1.10 www 187: &Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>'.
188: '<p><a href="'.$r->uri.'?forcestudent=1">Show Student View</a>'.
189: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
1.9 www 190: } else {
191: $r->print($message);
192: }
193: } else {
194: $message=~s/\n/\<br \/\>/g;
195: $message
1.5 www 196: =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.9 www 197: $message=&Apache::lontexconvert::msgtexconverted($message);
198: $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
1.5 www 199: $message.'</blockquote>');
1.9 www 200: }
1.5 www 201: if ($allowed) {
202: $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
203: $syllabus{$_}.
204: '</textarea><input type="submit" name="storesyl" value="Store" />');
205: }
206: }
207: }
208: if ($allowed) {
209: $r->print('</form>');
210: }
211: $r->print('</p>');
1.4 www 212: } else {
213: $r->print('<p>No syllabus information provided.</p>');
1.1 www 214: }
215: $r->print('</body></html>');
216: return OK;
217: }
218:
219: 1;
220: __END__
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