Annotation of loncom/interface/lonsyllabus.pm, revision 1.32
1.1 www 1: # The LearningOnline Network
2: # Syllabus
3: #
1.32 ! www 4: # $Id: lonsyllabus.pm,v 1.31 2004/05/10 14:12:14 sakharuk 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;
1.32 ! www 39: use Apache::lonhtmlcommon;
1.1 www 40:
41: sub handler {
42: my $r = shift;
1.24 www 43: &Apache::loncommon::content_type($r,'text/html');
1.1 www 44: $r->send_http_header;
45: return OK if $r->header_only;
46:
47: # ------------------------------------------------------------ Print the screen
1.28 sakharuk 48: my $target=$ENV{'form.grade_target'};
49: if ($target ne 'tex') {
50: $r->print(<<ENDDOCUMENT);
1.1 www 51: <html>
52: <head>
53: <title>The LearningOnline Network with CAPA</title>
54: ENDDOCUMENT
1.28 sakharuk 55: } else {
56: $r->print(&Apache::lonprintout::print_latex_header($ENV{'form.latex_type'}));
57: }
1.2 www 58: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
1.3 www 59: # Is this even a course?
1.7 www 60: my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
61: if ($homeserver eq 'no_host') {
1.23 www 62: $r->print('</head><body>'.&mt('No syllabus available').'</body></html>');
1.3 www 63: return OK;
64: }
1.5 www 65: # --------------------------------------------------------- The syllabus fields
1.23 www 66: my %syllabusfields=&Apache::lonlocal::texthash(
1.5 www 67: 'aaa_instructorinfo' => 'Instructor Information',
68: 'bbb_description' => 'Course Description',
69: 'ccc_prereq' => 'Prerequisites',
1.7 www 70: 'cdc_classhours' => 'Class Hours',
1.5 www 71: 'ddd_officehours' => 'Office Hours',
72: 'eee_helproom' => 'Helproom Hours',
1.7 www 73: 'efe_projectinfo' => 'Project Information',
1.5 www 74: 'fff_examinfo' => 'Exam Information',
1.7 www 75: 'fgf_deadlines' => 'Deadlines',
1.5 www 76: 'ggg_grading' => 'Grading Information',
1.7 www 77: 'hhh_readings' => 'Readings',
78: 'iii_coursepack' => 'Coursepack',
79: 'jjj_weblinks' => 'Web Links',
1.9 www 80: 'kkk_textbook' => 'Textbook',
81: 'lll_includeurl' => 'URLs To Include in Syllabus');
1.5 www 82:
1.14 www 83: # ------------------------------------------------------------ Get query string
84: &Apache::loncommon::get_unprocessed_cgi
1.27 www 85: ($ENV{'QUERY_STRING'},['forcestudent','register','forceedit']);
1.14 www 86: # ----------------------------------------------------- Force menu registration
87: my $addentries='';
88: if ($ENV{'form.register'}) {
89: $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
90: '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
91: $r->print(&Apache::lonmenu::registerurl(1));
92: }
1.6 www 93: # --------------------------------------------------------------- Force Student
94: my $forcestudent='';
95: if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
1.27 www 96: my $forceedit='';
97: if ($ENV{'form.forceedit'}) { $forceedit='edit'; }
1.5 www 98:
1.3 www 99: # ------------------------------------- There is such a course, get environment
1.2 www 100: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
1.28 sakharuk 101: if ($target ne 'tex') {
1.32 ! www 102: $r->print(&Apache::lonhtmlcommon::htmlareaheaders().
! 103: '</head>'.&Apache::loncommon::bodytag
1.28 sakharuk 104: ("Syllabus",$forcestudent,$addentries,'',$cdom,$ENV{'form.register'}));
105: $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
106: $Apache::lonnet::domaindescription{$cdom}.'</h3>');
107: } else {
1.29 sakharuk 108: $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
1.28 sakharuk 109: $Apache::lonnet::domaindescription{$cdom}.'}\\\\');
110: }
1.19 www 111: # -------------------------------------------------------------- Announcements?
112: $r->print(&Apache::lonannounce::showday(time,2,
113: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)));
1.17 www 114: # -------------------------------------------------------- Get course personnel
115: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1.28 sakharuk 116: if ($target ne 'tex') {
117: $r->print('<table border="2">');
118: } else {
119: $r->print('\begin{tabular}{|c|c|}\hline');
120: }
1.18 www 121: foreach (sort keys %coursepersonnel) {
1.28 sakharuk 122: if ($target ne 'tex') {
123: $r->print('<tr><td>'.$_.'</td><td>');
124: } else {
125: $r->print(' '.$_.'\\\\ ');
126: }
1.17 www 127: foreach (split(/\,/,$coursepersonnel{$_})) {
128: my ($puname,$pudom)=split(/\:/,$_);
1.28 sakharuk 129: if ($target ne 'tex') {
130: $r->print(' '.&Apache::loncommon::aboutmewrapper(
131: &Apache::loncommon::plainname($puname,
132: $pudom),$puname,$pudom));
133: } else {
134: $r->print(' '.&Apache::loncommon::plainname($puname,
135: $pudom).' ');
136: }
1.17 www 137: }
1.28 sakharuk 138: if ($target ne 'tex') {
139: $r->print('</td></tr>');
140: } else {
141: $r->print('\\\\ \hline');
142: }
143: }
144: if ($target ne 'tex') {
145: $r->print('</table>');
146: } else {
147: $r->print('\end{tabular}\\\\');
1.17 www 148: }
149: # ---------------------------------------------------------- Load syllabus info
1.4 www 150: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
1.5 www 151: my $allowed=0;
1.27 www 152: my $privileged=0;
1.4 www 153:
1.2 www 154: # This handler might be called anonymously ...
155: # ----------------------------------------------------- Only if not public call
156: if ($ENV{'user.environment'}) {
1.1 www 157: # does this user have privileges to post, etc?
1.2 www 158: if ($ENV{'request.course.id'}) {
1.22 www 159: $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
1.27 www 160: $privileged=$allowed;
161: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
162: $forcestudent='student';
163: }
1.30 sakharuk 164: if ($forcestudent or $target eq 'tex') { $allowed=0; }
1.2 www 165: }
1.6 www 166: if ($allowed) {
1.12 www 167: $r->print('<p>'.
1.23 www 168: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p>'.&mt('This syllabus can be publicly viewed at')
169: .' <tt>http://'.
1.10 www 170: $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt>'.
171: &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.
1.27 www 172: '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.
173: &mt('Show Public View').'</font></a>'.
1.10 www 174: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
175: '</p>');
1.27 www 176: } elsif ($privileged) {
1.28 sakharuk 177: if ($target ne 'tex') {
178: $r->print('<p><a href="'.$r->uri.'?forceedit=1"><font size="+1">'.
179: &mt('Edit').'</font></a>');
180: }
1.6 www 181: }
1.5 www 182: if (($allowed) && ($ENV{'form.storesyl'})) {
183: foreach (keys %syllabusfields) {
184: my $field=$ENV{'form.'.$_};
185: $field=~s/\s+$//s;
1.11 www 186: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.7 www 187: $syllabus{$_}=$field;
1.9 www 188: if ($_ eq 'lll_includeurl') { # clean up included URLs
189: my $field='';
190: foreach (split(/\n/,$syllabus{$_})) {
191: my $url=$_;
192: # get rid of leading and trailing spaces
193: $url=~s/^\s+//;
194: $url=~s/\s+$//;
195: if ($url=~/^http\:\/\/([^\/]+)\/(.+)$/) {
196: my $remainder=$2;
197: # remove the hostname from internal URLs
198: foreach (keys %Apache::lonnet::hostname) {
199: if ($1=~/$Apache::lonnet::hostname{$_}/i) {
200: $url=$remainder;
201: }
202: }
203: }
204: # norm internal URLs
205: unless ($url=~/^http\:/) {
206: $url=&Apache::lonnet::clutter($url);
207: }
208: # re-assemble field
209: if ($url) {
210: $field.=$url."\n";
211: }
212: }
213: $syllabus{$_}=$field;
214: }
1.5 www 215: }
216: $syllabus{'uploaded.domain'}=$ENV{'user.domain'};
217: $syllabus{'uploaded.name'}=$ENV{'user.name'};
218: $syllabus{'uploaded.lastmodified'}=time;
219: &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
220: }
1.4 www 221: }
222: # ---------------------------------------------------------------- Get syllabus
1.5 www 223: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.8 www 224: my $lastmod=$syllabus{'uploaded.lastmodified'};
1.25 www 225: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
1.26 albertel 226: my $who = &Apache::loncommon::aboutmewrapper(
227: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
1.7 www 228: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
1.26 albertel 229: $syllabus{'uploaded.domain'});
1.28 sakharuk 230: if ($target ne 'tex') {
231: $r->print('<table><tr><td>'.&mt('Last updated').':</td><td>'.
232: $lastmod.'</td><td>'.&mt('by').' '.$who.
233: '</td></tr></table><p>');
234: } else {
235: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.&mt('by').'\\\\ '.
236: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
237: $syllabus{'uploaded.domain'}).'\\\\');
238: }
1.5 www 239: if ($allowed) {
1.27 www 240: $r->print('<form method="post">'.
241: '<input type="hidden" name="forceedit" value="edit" />');
1.5 www 242: }
243: foreach (sort keys %syllabusfields) {
1.32 ! www 244: if (($syllabus{$_}=~/\w/) || ($allowed)) {
1.5 www 245: my $message=$syllabus{$_};
1.9 www 246: if ($_ eq 'lll_includeurl') { # this is the "included" field
247: my $urls=$message;
248: $message='';
249: foreach my $filelink (split(/\n/,$urls)) {
250: my $output='';
251: # embed style?
252: my ($curfext)=($filelink=~/\.([^\.]+)$/);
253: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1.12 www 254: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {
1.9 www 255: # make ssi call and remove everything but the body contents
1.13 www 256: $output=&Apache::lonnet::ssi_body($filelink);
1.9 www 257: } elsif ($embstyle eq 'img') {
258: # embed as an image
259: $output='<img src="'.$filelink.'" />';
260: }
261: $message.='<p>'.$output.'</p>';
262: }
263: if ($allowed) {
264: $r->print('<h3>'.$syllabusfields{$_}.
1.10 www 265: &Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>'.
1.27 www 266: '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Public View').'</font></a>'.
1.10 www 267: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
1.9 www 268: } else {
269: $r->print($message);
270: }
271: } else {
272: $message=~s/\n/\<br \/\>/g;
273: $message
1.20 www 274: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.9 www 275: $message=&Apache::lontexconvert::msgtexconverted($message);
1.28 sakharuk 276: if ($target ne 'tex') {
277: $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
278: $message.'</blockquote>');
279: } else {
280: $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\'.
1.31 sakharuk 281: &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
1.28 sakharuk 282: }
1.9 www 283: }
1.5 www 284: if ($allowed) {
285: $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
286: $syllabus{$_}.
287: '</textarea><input type="submit" name="storesyl" value="Store" />');
288: }
289: }
290: }
291: if ($allowed) {
1.32 ! www 292: $r->print('</form>'.
! 293: &Apache::lonhtmlcommon::htmlareaactive());
1.5 www 294: }
1.28 sakharuk 295: if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
1.4 www 296: } else {
297: $r->print('<p>No syllabus information provided.</p>');
1.1 www 298: }
1.28 sakharuk 299: if ($target ne 'tex') {$r->print('</body></html>');} else {$r->print('\end{document}');}
1.1 www 300: return OK;
301: }
302:
303: 1;
304: __END__
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