Annotation of loncom/interface/lonsyllabus.pm, revision 1.69.4.2
1.1 www 1: # The LearningOnline Network
2: # Syllabus
3: #
1.69.4.2! raeburn 4: # $Id: lonsyllabus.pm,v 1.69.4.1 2009/05/20 01:23:47 raeburn 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;
1.38 www 40: use Apache::lonspeller();
1.54 albertel 41: use HTML::Entities();
1.1 www 42:
43: sub handler {
44: my $r = shift;
1.46 www 45: &Apache::loncommon::content_type($r,'text/html');
46: $r->send_http_header;
47: return OK if $r->header_only;
1.45 www 48:
1.46 www 49: my $target=$env{'form.grade_target'};
1.45 www 50: # --------------------------------------------------- Get course info from URL
51: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
1.46 www 52: # ------------------------------------------------------------ Get query string
53: &Apache::loncommon::get_unprocessed_cgi
1.47 www 54: ($ENV{'QUERY_STRING'},['forcestudent','register','forceedit','wrapperdisplay']);
1.45 www 55: # ----------------------------------------------------- Is this even a course?
56: my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
57: if ($homeserver eq 'no_host') {
58: &Apache::loncommon::content_type($r,'text/html');
59: $r->send_http_header;
1.49 albertel 60: &Apache::loncommon::simple_error_page($r,'No syllabus available',
61: 'No syllabus available');
1.45 www 62: return OK;
63: }
64: # ------------------------------------- There is such a course, get environment
65: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
1.46 www 66:
1.1 www 67: # ------------------------------------------------------------ Print the screen
1.49 albertel 68:
69: if ($target eq 'tex') {
1.40 albertel 70: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
1.28 sakharuk 71: }
1.46 www 72: # -------------------------------------------------- Let's see who handles this
1.47 www 73: my $externalsyllabus=$courseenv{'externalsyllabus'};
1.49 albertel 74:
1.46 www 75: if ($externalsyllabus=~/\w/) {
1.50 albertel 76:
1.47 www 77: if ($env{'form.wrapperdisplay'} eq 'menu') {
1.50 albertel 78: $r->print(&Apache::lonwrapper::simple_menu());
79: } else {
80: $r->print(&Apache::lonwrapper::wrapper("/public/$cdom/$cnum/syllabus?wrapperdisplay=menu",
81: $externalsyllabus));
82: }
83: return OK;
1.47 www 84: }
1.42 www 85:
1.46 www 86: # ------------------------------ The buck stops here: internal syllabus display
1.5 www 87: # --------------------------------------------------------- The syllabus fields
1.23 www 88: my %syllabusfields=&Apache::lonlocal::texthash(
1.5 www 89: 'aaa_instructorinfo' => 'Instructor Information',
90: 'bbb_description' => 'Course Description',
91: 'ccc_prereq' => 'Prerequisites',
1.7 www 92: 'cdc_classhours' => 'Class Hours',
1.5 www 93: 'ddd_officehours' => 'Office Hours',
94: 'eee_helproom' => 'Helproom Hours',
1.7 www 95: 'efe_projectinfo' => 'Project Information',
1.5 www 96: 'fff_examinfo' => 'Exam Information',
1.7 www 97: 'fgf_deadlines' => 'Deadlines',
1.5 www 98: 'ggg_grading' => 'Grading Information',
1.7 www 99: 'hhh_readings' => 'Readings',
100: 'iii_coursepack' => 'Coursepack',
101: 'jjj_weblinks' => 'Web Links',
1.9 www 102: 'kkk_textbook' => 'Textbook',
103: 'lll_includeurl' => 'URLs To Include in Syllabus');
1.6 www 104: # --------------------------------------------------------------- Force Student
105: my $forcestudent='';
1.40 albertel 106: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
1.27 www 107: my $forceedit='';
1.40 albertel 108: if ($env{'form.forceedit'}) { $forceedit='edit'; }
1.5 www 109:
1.45 www 110: # ----------------------------------------------------------------- Make header
1.28 sakharuk 111: if ($target ne 'tex') {
1.60 albertel 112: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
1.65 raeburn 113: my $js;
114: if ($env{'form.backto'} eq 'coursecatalog') {
115: $js .= <<"ENDSCRIPT";
116:
117: <script type="text/javascript">
118: function ToCatalog(caller) {
119: numidx = getIndexByName('coursenum');
120: if (numidx > -1) {
121: if (caller != 'details') {
122: document.backtocat.elements[numidx].value = '';
123: }
124: }
125: document.backtocat.submit();
126: }
127:
128: function getIndexByName(item) {
129: for (var i=0;i<document.backtocat.elements.length;i++) {
130: if (document.backtocat.elements[i].name == item) {
131: return i;
132: }
133: }
134: return -1;
135: }
136:
137: </script>
138:
139: ENDSCRIPT
140: }
1.49 albertel 141: my $start_page =
1.65 raeburn 142: &Apache::loncommon::start_page("Syllabus", $rss_link.$js,
1.49 albertel 143: {'function' => $forcestudent,
144: 'domain' => $cdom,
145: 'force_register' =>
146: $env{'form.register'},});
147:
1.65 raeburn 148: $r->print($start_page);
149: if ($env{'form.backto'} eq 'coursecatalog') {
150: &Apache::lonhtmlcommon::clear_breadcrumbs();
151: &Apache::lonhtmlcommon::add_breadcrumb
152: ({href=>"javascript:ToCatalog()",
1.69.4.2! raeburn 153: text=>"Course/Community Catalog"});
1.65 raeburn 154: if ($env{'form.coursenum'} ne '') {
155: &Apache::lonhtmlcommon::add_breadcrumb
156: ({href=>"javascript:ToCatalog('details')",
157: text=>"Course details"});
158: }
159: &Apache::lonhtmlcommon::add_breadcrumb
160: ({href=>$r->uri,
161: text=>"Course syllabus"});
162: $r->print(&Apache::lonhtmlcommon::breadcrumbs());
163: }
164: $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
1.58 albertel 165: &Apache::lonnet::domain($cdom,'description').'</h3>');
1.28 sakharuk 166: } else {
1.29 sakharuk 167: $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
1.58 albertel 168: &Apache::lonnet::domain($cdom,'description').'}\\\\');
1.28 sakharuk 169: }
1.19 www 170: # -------------------------------------------------------------- Announcements?
1.49 albertel 171: my $day = &Apache::lonannounce::showday(time,2,
172: &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
1.35 sakharuk 173: if ($target ne 'tex') {
1.52 www 174: $r->print($day. &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit));
1.35 sakharuk 175: } else {
1.49 albertel 176: $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
1.35 sakharuk 177: }
1.49 albertel 178:
1.17 www 179: # -------------------------------------------------------- Get course personnel
180: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1.28 sakharuk 181: if ($target ne 'tex') {
1.68 bisitz 182: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1.28 sakharuk 183: } else {
1.37 sakharuk 184: $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
1.28 sakharuk 185: }
1.69.4.1 raeburn 186: my @personnel=sort(keys(%coursepersonnel));
1.69 bisitz 187: my $lastpers=$personnel[$#personnel];
188: foreach my $element (@personnel) {
1.28 sakharuk 189: if ($target ne 'tex') {
1.68 bisitz 190: $r->print(&Apache::lonhtmlcommon::row_title($element));
1.28 sakharuk 191: } else {
1.36 sakharuk 192: $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & ');
1.28 sakharuk 193: }
1.36 sakharuk 194: foreach (split(/\,/,$coursepersonnel{$element})) {
1.17 www 195: my ($puname,$pudom)=split(/\:/,$_);
1.28 sakharuk 196: if ($target ne 'tex') {
1.64 raeburn 197: my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
198: if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
199: ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
200: $r->print(' '.$courseperson);
201: } else {
1.67 raeburn 202: $r->print(' '.&Apache::loncommon::aboutmewrapper($courseperson,
203: $puname,$pudom));
1.64 raeburn 204: }
1.28 sakharuk 205: } else {
206: $r->print(' '.&Apache::loncommon::plainname($puname,
207: $pudom).' ');
208: }
1.17 www 209: }
1.28 sakharuk 210: if ($target ne 'tex') {
1.69 bisitz 211: my $lastclose=$element eq $lastpers?1:0;
212: $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
1.28 sakharuk 213: } else {
214: $r->print('\\\\ \hline');
215: }
216: }
217: if ($target ne 'tex') {
1.68 bisitz 218: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1.28 sakharuk 219: } else {
220: $r->print('\end{tabular}\\\\');
1.17 www 221: }
222: # ---------------------------------------------------------- Load syllabus info
1.4 www 223: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
1.5 www 224: my $allowed=0;
1.27 www 225: my $privileged=0;
1.4 www 226:
1.2 www 227: # This handler might be called anonymously ...
228: # ----------------------------------------------------- Only if not public call
1.40 albertel 229: if ($env{'user.environment'}) {
1.1 www 230: # does this user have privileges to post, etc?
1.53 albertel 231: if ($env{'request.course.id'}
232: && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
233: && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
1.40 albertel 234: $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
1.27 www 235: $privileged=$allowed;
236: if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
237: $forcestudent='student';
238: }
1.30 sakharuk 239: if ($forcestudent or $target eq 'tex') { $allowed=0; }
1.2 www 240: }
1.6 www 241: if ($allowed) {
1.69.4.1 raeburn 242: my $protocol = $Apache::lonnet::protocol{$homeserver};
243: $protocol = 'http' if ($protocol ne 'https');
1.12 www 244: $r->print('<p>'.
1.63 bisitz 245: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).'</p><p>'.&mt('This syllabus can be publicly viewed at')
1.69.4.1 raeburn 246: .' <tt>'.$protocol.'://'.
1.57 albertel 247: &Apache::lonnet::hostname($homeserver).$r->uri.'</tt>'.
1.10 www 248: &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.
1.69.4.2! raeburn 249: '<p class="LC_info">'.
! 250: &mt('Instead of using this template you can specify an external URL as Syllabus in the [_1]Course Configuration[_2].',
! 251: '<a href="/adm/courseprefs?actions=courseinfo&phase=display">','</a>').
! 252: '</p>'.
1.27 www 253: '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.
254: &mt('Show Public View').'</font></a>'.
1.10 www 255: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
256: '</p>');
1.27 www 257: } elsif ($privileged) {
1.28 sakharuk 258: if ($target ne 'tex') {
259: $r->print('<p><a href="'.$r->uri.'?forceedit=1"><font size="+1">'.
260: &mt('Edit').'</font></a>');
261: }
1.6 www 262: }
1.40 albertel 263: if (($allowed) && ($env{'form.storesyl'})) {
1.55 albertel 264: foreach my $syl_field (keys(%syllabusfields)) {
265: my $field=$env{'form.'.$syl_field};
1.33 www 266: chomp($field);
1.5 www 267: $field=~s/\s+$//s;
1.33 www 268: $field=~s/^\s+//s;
269: $field=~s/\<br\s*\/*\>$//s;
270: $field=&Apache::lonfeedback::clear_out_html($field,1);
1.55 albertel 271: $syllabus{$syl_field}=$field;
272: if ($syl_field eq 'lll_includeurl') { # clean up included URLs
1.9 www 273: my $field='';
1.55 albertel 274: foreach my $value (split(/\n/,$syllabus{$syl_field})) {
275: my $url=$value;
1.9 www 276: # get rid of leading and trailing spaces
277: $url=~s/^\s+//;
278: $url=~s/\s+$//;
1.69.4.1 raeburn 279: if ($url=~m|^https?\://([^/]+)/(.+)$|) {
1.55 albertel 280: my $host = $1;
1.9 www 281: my $remainder=$2;
282: # remove the hostname from internal URLs
1.57 albertel 283: my $hostname = &Apache::lonnet::hostname($host);
284: my %all_hostnames = &Apache::lonnet::all_hostnames();
285: foreach my $possible_host (keys(%all_hostnames)) {
286: if ($possible_host =~ /\Q$hostname\E/i) {
1.9 www 287: $url=$remainder;
288: }
289: }
290: }
291: # norm internal URLs
1.69.4.1 raeburn 292: unless ($url=~/^https?\:/) {
1.9 www 293: $url=&Apache::lonnet::clutter($url);
294: }
295: # re-assemble field
296: if ($url) {
297: $field.=$url."\n";
298: }
299: }
1.55 albertel 300: $syllabus{$syl_field}=$field;
1.9 www 301: }
1.5 www 302: }
1.40 albertel 303: $syllabus{'uploaded.domain'}=$env{'user.domain'};
304: $syllabus{'uploaded.name'}=$env{'user.name'};
1.5 www 305: $syllabus{'uploaded.lastmodified'}=time;
306: &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
307: }
1.4 www 308: }
309: # ---------------------------------------------------------------- Get syllabus
1.5 www 310: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.8 www 311: my $lastmod=$syllabus{'uploaded.lastmodified'};
1.25 www 312: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
1.26 albertel 313: my $who = &Apache::loncommon::aboutmewrapper(
314: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
1.7 www 315: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
1.26 albertel 316: $syllabus{'uploaded.domain'});
1.28 sakharuk 317: if ($target ne 'tex') {
318: $r->print('<table><tr><td>'.&mt('Last updated').':</td><td>'.
1.61 albertel 319: $lastmod.'</td><td>'.
320: ($who ? &mt('by').' '.$who
321: : '' ).
1.28 sakharuk 322: '</td></tr></table><p>');
323: } else {
1.61 albertel 324: $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
325: ($who? &mt('by').'\\\\ '.
326: &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
327: :'')
328: .'\\\\');
1.28 sakharuk 329: }
1.5 www 330: if ($allowed) {
1.27 www 331: $r->print('<form method="post">'.
332: '<input type="hidden" name="forceedit" value="edit" />');
1.5 www 333: }
1.33 www 334: my @htmlids=();
1.55 albertel 335: foreach my $field (sort(keys(%syllabusfields))) {
336: if (($syllabus{$field}=~/\w/) || ($allowed)) {
337: my $message=$syllabus{$field};
338: if ($field eq 'lll_includeurl') { # this is the "included" field
339: my $urls=$message;
340: $message='';
341: foreach my $filelink (split(/\n/,$urls)) {
342: my $output='';
1.9 www 343: # embed style?
1.55 albertel 344: my ($curfext)=($filelink=~/\.([^\.]+)$/);
345: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
346: if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {
1.9 www 347: # make ssi call and remove everything but the body contents
1.55 albertel 348: $output=&Apache::lonnet::ssi_body($filelink);
349: } elsif ($embstyle eq 'img') {
1.9 www 350: # embed as an image
1.55 albertel 351: $output='<img src="'.$filelink.'" />';
352: }
353: if ($target ne 'tex') {
354: $message.='<p>'.$output.'</p>';
355: } else {
356: $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
357: }
358: }
359: if ($allowed) {
360: $r->print('<h3>'.$syllabusfields{$field}.
361: &Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>'.
362: '<p><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Public View').'</font></a>'.
363: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
364: } else {
365: $r->print($message);
366: }
367: } else {
1.69.4.2! raeburn 368: if (!&Apache::lonfeedback::contains_block_html($message)) {
! 369: &Apache::lonfeedback::newline_to_br(\$message);
! 370: }
! 371: $message=&Apache::lonhtmlcommon::raw_href_to_link($message);
1.55 albertel 372: if ($allowed) {
373: $message=&Apache::lonspeller::markeduptext($message);
374: }
375: $message=&Apache::lontexconvert::msgtexconverted($message);
376: if ($target ne 'tex') {
377: $r->print('<h3>'.$syllabusfields{$field}.'</h3><blockquote>'.
378: $message.'</blockquote>');
379: } else {
380: $r->print('\\\\\textbf{'.$syllabusfields{$field}.'}\\\\'.
381: &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
382: }
383: push(@htmlids,$field);
384: }
385: if ($allowed) {
386: $r->print('<br /><textarea cols="80" rows="12" name="'.$field.'" id="'.$field.'">'.
387: &HTML::Entities::encode($syllabus{$field},'"&<>').
1.63 bisitz 388: '</textarea> <input type="submit" name="storesyl" value="'.&mt('Save').'" />');
1.55 albertel 389: }
390: }
1.5 www 391: }
392: if ($allowed) {
1.32 www 393: $r->print('</form>'.
1.33 www 394: &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids));
1.5 www 395: }
1.28 sakharuk 396: if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
1.4 www 397: } else {
1.36 sakharuk 398: if ($target ne 'tex') {$r->print('<p>');} else {$r->print('\par ');}
1.63 bisitz 399: $r->print(&mt('No syllabus information provided.'));
1.36 sakharuk 400: if ($target ne 'tex') {$r->print('</p>');}
1.1 www 401: }
1.48 albertel 402: if ($target ne 'tex') {
1.65 raeburn 403: if ($env{'form.backto'} eq 'coursecatalog') {
404: $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
1.66 raeburn 405: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
1.65 raeburn 406: '</form>');
407: }
1.48 albertel 408: $r->print(&Apache::loncommon::end_page());
409: } else {
410: $r->print('\end{document}');
411: }
1.1 www 412: return OK;
413: }
414:
415: 1;
416: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonsyllabus.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface