File:  [LON-CAPA] / loncom / interface / lonsyllabus.pm
Revision 1.7: download - view: text, annotated - select for diffs
Wed Aug 28 14:11:27 2002 UTC (21 years, 9 months ago) by www
Branches: MAIN
CVS tags: HEAD
Convenience links to about-me page, syllabus, and email.

    1: # The LearningOnline Network
    2: # Syllabus
    3: #
    4: # $Id: lonsyllabus.pm,v 1.7 2002/08/28 14:11:27 www Exp $
    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;
   35: use Apache::lontexconvert;
   36: 
   37: sub handler {
   38:     my $r = shift;
   39:     $r->content_type('text/html');
   40:     $r->send_http_header;
   41:     return OK if $r->header_only;
   42: 
   43: # ------------------------------------------------------------ Print the screen
   44:     $r->print(<<ENDDOCUMENT);
   45: <html>
   46: <head>
   47: <title>The LearningOnline Network with CAPA</title>
   48: </head>
   49: ENDDOCUMENT
   50:     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
   51: # Is this even a course?
   52:     my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom); 
   53:     if ($homeserver eq 'no_host') {
   54: 	$r->print('<body>No syllabus available</body>');
   55:         return OK;
   56:     }
   57: # --------------------------------------------------------- The syllabus fields
   58:     my %syllabusfields=(
   59:        'aaa_instructorinfo' => 'Instructor Information',
   60:        'bbb_description'    => 'Course Description',
   61:        'ccc_prereq'         => 'Prerequisites',
   62:        'cdc_classhours'     => 'Class Hours',
   63:        'ddd_officehours'    => 'Office Hours',
   64:        'eee_helproom'       => 'Helproom Hours',
   65:        'efe_projectinfo'    => 'Project Information',
   66:        'fff_examinfo'       => 'Exam Information',
   67:        'fgf_deadlines'      => 'Deadlines',
   68:        'ggg_grading'        => 'Grading Information',
   69:        'hhh_readings'       => 'Readings',
   70:        'iii_coursepack'     => 'Coursepack',
   71:        'jjj_weblinks'       => 'Web Links',
   72:        'kkk_textbook'       => 'Textbook');
   73: 
   74: # --------------------------------------------------------------- Force Student
   75:     &Apache::loncommon::get_unprocessed_cgi
   76:                                        ($ENV{'QUERY_STRING'},['forcestudent']);
   77:     my $forcestudent='';
   78:     if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
   79:        
   80: # ------------------------------------- There is such a course, get environment
   81:     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
   82:     $r->print(&Apache::loncommon::bodytag
   83:                                        ("Syllabus",$forcestudent,'','',$cdom));
   84:     $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
   85:               $Apache::lonnet::domaindescription{$cdom}.'</h3>');
   86:     my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
   87:     my $allowed=0;
   88: 
   89: # This handler might be called anonymously ...
   90: # ----------------------------------------------------- Only if not public call
   91:     if ($ENV{'user.environment'}) {
   92: # does this user have privileges to post, etc?
   93:        if ($ENV{'request.course.id'}) {
   94:           $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
   95:           if ($forcestudent) { $allowed=0; }
   96:        }
   97:        if ($allowed) {
   98:           $r->print('<p>This syllabus can be publically viewed at <tt>http://'.
   99: 		    $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt></p>'.
  100: 	  '<p><a href="'.$r->uri.'?forcestudent=1">Show Student View</a></p>');
  101:       }
  102:        if (($allowed) && ($ENV{'form.storesyl'})) {
  103: 	   foreach (keys %syllabusfields) {
  104:                my $field=$ENV{'form.'.$_};
  105:                $field=~s/\s+$//s;
  106:                $field=~s/\</\&lt\;/g;
  107:                $field=~s/\>/\&gt\;/g;
  108: 	       $syllabus{$_}=$field;
  109:            }
  110:            $syllabus{'uploaded.domain'}=$ENV{'user.domain'};
  111:            $syllabus{'uploaded.name'}=$ENV{'user.name'};
  112:            $syllabus{'uploaded.lastmodified'}=time;
  113:            &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
  114:        }
  115:     }
  116: # ---------------------------------------------------------------- Get syllabus
  117:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
  118:        $r->print('<table><tr><td>Uploaded:</td><td>'.
  119:  &Apache::loncommon::aboutmewrapper(
  120:  &Apache::loncommon::plainname($syllabus{'uploaded.name'},
  121:                      $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
  122:                      $syllabus{'uploaded.domain'}).
  123:  '</td></tr><tr><td>Last updated</td><td>'.
  124:                      localtime($syllabus{'uploaded.lastmodified'}).
  125:                      '</td></tr></table><p>');
  126:        if ($allowed) {
  127: 	   $r->print('<form method="post">');
  128:        }
  129:        foreach (sort keys %syllabusfields) {
  130:           if (($syllabus{$_}) || ($allowed)) {
  131:               my $message=$syllabus{$_};
  132:               $message=~s/\n/\<br \/\>/g;
  133:               $message
  134:              =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
  135: 	      $message=&Apache::lontexconvert::msgtexconverted($message);
  136:               $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
  137:                         $message.'</blockquote>');
  138:               if ($allowed) {
  139:                  $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
  140: 			   $syllabus{$_}.
  141:            '</textarea><input type="submit" name="storesyl" value="Store" />');
  142: 	      }
  143: 	  }
  144:        }
  145:        if ($allowed) {
  146: 	   $r->print('</form>');
  147:        }
  148:        $r->print('</p>');
  149:     } else {
  150:        $r->print('<p>No syllabus information provided.</p>');
  151:     }
  152:     $r->print('</body></html>');
  153:     return OK;
  154: } 
  155: 
  156: 1;
  157: __END__

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