Annotation of loncom/interface/lonsyllabus.pm, revision 1.28
1.1 www 1: # The LearningOnline Network
2: # Syllabus
3: #
1.28 ! sakharuk 4: # $Id: lonsyllabus.pm,v 1.27 2004/02/13 15:01:29 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 $r = shift;
1.24 www 42: &Apache::loncommon::content_type($r,'text/html');
1.1 www 43: $r->send_http_header;
44: return OK if $r->header_only;
45:
46: # ------------------------------------------------------------ Print the screen
1.28 ! sakharuk 47: my $target=$ENV{'form.grade_target'};
! 48: &Apache::lonnet::logthis("NOW TARGET IS DEFINIED AS $target");
! 49: if ($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') {
! 102: $r->print('</head>'.&Apache::loncommon::bodytag
! 103: ("Syllabus",$forcestudent,$addentries,'',$cdom,$ENV{'form.register'}));
! 104: $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
! 105: $Apache::lonnet::domaindescription{$cdom}.'</h3>');
! 106: } else {
! 107: $r->print('\noindent\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
! 108: $Apache::lonnet::domaindescription{$cdom}.'}\\\\');
! 109: }
1.19 www 110: # -------------------------------------------------------------- Announcements?
111: $r->print(&Apache::lonannounce::showday(time,2,
112: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)));
1.17 www 113: # -------------------------------------------------------- Get course personnel
114: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1.28 ! sakharuk 115: if ($target ne 'tex') {
! 116: $r->print('<table border="2">');
! 117: } else {
! 118: $r->print('\begin{tabular}{|c|c|}\hline');
! 119: }
1.18 www 120: foreach (sort keys %coursepersonnel) {
1.28 ! sakharuk 121: if ($target ne 'tex') {
! 122: $r->print('<tr><td>'.$_.'</td><td>');
! 123: } else {
! 124: $r->print(' '.$_.'\\\\ ');
! 125: }
1.17 www 126: foreach (split(/\,/,$coursepersonnel{$_})) {
127: my ($puname,$pudom)=split(/\:/,$_);
1.28 ! sakharuk 128: if ($target ne 'tex') {
! 129: $r->print(' '.&Apache::loncommon::aboutmewrapper(
! 130: &Apache::loncommon::plainname($puname,
! 131: $pudom),$puname,$pudom));
! 132: } else {
! 133: $r->print(' '.&Apache::loncommon::plainname($puname,
! 134: $pudom).' ');
! 135: }
1.17 www 136: }
1.28 ! sakharuk 137: if ($target ne 'tex') {
! 138: $r->print('</td></tr>');
! 139: } else {
! 140: $r->print('\\\\ \hline');
! 141: }
! 142: }
! 143: if ($target ne 'tex') {
! 144: $r->print('</table>');
! 145: } else {
! 146: $r->print('\end{tabular}\\\\');
1.17 www 147: }
148: # ---------------------------------------------------------- Load syllabus info
1.4 www 149: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
1.5 www 150: my $allowed=0;
1.27 www 151: my $privileged=0;
1.4 www 152:
1.2 www 153: # This handler might be called anonymously ...
154: # ----------------------------------------------------- Only if not public call
155: if ($ENV{'user.environment'}) {
1.1 www 156: # does this user have privileges to post, etc?
1.2 www 157: if ($ENV{'request.course.id'}) {
1.22 www 158: $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
1.27 www 159: $privileged=$allowed;
160: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
161: $forcestudent='student';
162: }
1.6 www 163: if ($forcestudent) { $allowed=0; }
1.2 www 164: }
1.6 www 165: if ($allowed) {
1.12 www 166: $r->print('<p>'.
1.23 www 167: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p>'.&mt('This syllabus can be publicly viewed at')
168: .' <tt>http://'.
1.10 www 169: $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt>'.
170: &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.
1.27 www 171: '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.
172: &mt('Show Public View').'</font></a>'.
1.10 www 173: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
174: '</p>');
1.27 www 175: } elsif ($privileged) {
1.28 ! sakharuk 176: if ($target ne 'tex') {
! 177: $r->print('<p><a href="'.$r->uri.'?forceedit=1"><font size="+1">'.
! 178: &mt('Edit').'</font></a>');
! 179: }
1.6 www 180: }
1.5 www 181: if (($allowed) && ($ENV{'form.storesyl'})) {
182: foreach (keys %syllabusfields) {
183: my $field=$ENV{'form.'.$_};
184: $field=~s/\s+$//s;
1.11 www 185: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.7 www 186: $syllabus{$_}=$field;
1.9 www 187: if ($_ eq 'lll_includeurl') { # clean up included URLs
188: my $field='';
189: foreach (split(/\n/,$syllabus{$_})) {
190: my $url=$_;
191: # get rid of leading and trailing spaces
192: $url=~s/^\s+//;
193: $url=~s/\s+$//;
194: if ($url=~/^http\:\/\/([^\/]+)\/(.+)$/) {
195: my $remainder=$2;
196: # remove the hostname from internal URLs
197: foreach (keys %Apache::lonnet::hostname) {
198: if ($1=~/$Apache::lonnet::hostname{$_}/i) {
199: $url=$remainder;
200: }
201: }
202: }
203: # norm internal URLs
204: unless ($url=~/^http\:/) {
205: $url=&Apache::lonnet::clutter($url);
206: }
207: # re-assemble field
208: if ($url) {
209: $field.=$url."\n";
210: }
211: }
212: $syllabus{$_}=$field;
213: }
1.5 www 214: }
215: $syllabus{'uploaded.domain'}=$ENV{'user.domain'};
216: $syllabus{'uploaded.name'}=$ENV{'user.name'};
217: $syllabus{'uploaded.lastmodified'}=time;
218: &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
219: }
1.4 www 220: }
221: # ---------------------------------------------------------------- Get syllabus
1.5 www 222: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.8 www 223: my $lastmod=$syllabus{'uploaded.lastmodified'};
1.25 www 224: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
1.26 albertel 225: my $who = &Apache::loncommon::aboutmewrapper(
226: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
1.7 www 227: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
1.26 albertel 228: $syllabus{'uploaded.domain'});
1.28 ! sakharuk 229: if ($target ne 'tex') {
! 230: $r->print('<table><tr><td>'.&mt('Last updated').':</td><td>'.
! 231: $lastmod.'</td><td>'.&mt('by').' '.$who.
! 232: '</td></tr></table><p>');
! 233: } else {
! 234: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.&mt('by').'\\\\ '.
! 235: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
! 236: $syllabus{'uploaded.domain'}).'\\\\');
! 237: }
1.5 www 238: if ($allowed) {
1.27 www 239: $r->print('<form method="post">'.
240: '<input type="hidden" name="forceedit" value="edit" />');
1.5 www 241: }
242: foreach (sort keys %syllabusfields) {
243: if (($syllabus{$_}) || ($allowed)) {
244: my $message=$syllabus{$_};
1.9 www 245: if ($_ eq 'lll_includeurl') { # this is the "included" field
246: my $urls=$message;
247: $message='';
248: foreach my $filelink (split(/\n/,$urls)) {
249: my $output='';
250: # embed style?
251: my ($curfext)=($filelink=~/\.([^\.]+)$/);
252: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1.12 www 253: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {
1.9 www 254: # make ssi call and remove everything but the body contents
1.13 www 255: $output=&Apache::lonnet::ssi_body($filelink);
1.9 www 256: } elsif ($embstyle eq 'img') {
257: # embed as an image
258: $output='<img src="'.$filelink.'" />';
259: }
260: $message.='<p>'.$output.'</p>';
261: }
262: if ($allowed) {
263: $r->print('<h3>'.$syllabusfields{$_}.
1.10 www 264: &Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>'.
1.27 www 265: '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Public View').'</font></a>'.
1.10 www 266: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
1.9 www 267: } else {
268: $r->print($message);
269: }
270: } else {
271: $message=~s/\n/\<br \/\>/g;
272: $message
1.20 www 273: =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
1.9 www 274: $message=&Apache::lontexconvert::msgtexconverted($message);
1.28 ! sakharuk 275: if ($target ne 'tex') {
! 276: $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
! 277: $message.'</blockquote>');
! 278: } else {
! 279: $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\'.
! 280: &Apache::lonxml::xmlparse($r,' ',$message).'\\\\');
! 281: }
1.9 www 282: }
1.5 www 283: if ($allowed) {
284: $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
285: $syllabus{$_}.
286: '</textarea><input type="submit" name="storesyl" value="Store" />');
287: }
288: }
289: }
290: if ($allowed) {
291: $r->print('</form>');
292: }
1.28 ! sakharuk 293: if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
1.4 www 294: } else {
295: $r->print('<p>No syllabus information provided.</p>');
1.1 www 296: }
1.28 ! sakharuk 297: if ($target ne 'tex') {$r->print('</body></html>');} else {$r->print('\end{document}');}
1.1 www 298: return OK;
299: }
300:
301: 1;
302: __END__
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