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File:  [LON-CAPA] / loncom / interface / lonsyllabus.pm
Revision 1.5: download - view: text, annotated - select for diffs
Tue Aug 27 19:59:08 2002 UTC (21 years, 10 months ago) by www
Branches: MAIN
CVS tags: HEAD
Dude, what a tool.

    1: # The LearningOnline Network
    2: # Syllabus
    3: #
    4: # $Id: lonsyllabus.pm,v 1.5 2002/08/27 19:59:08 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:     if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
   53: 	$r->print('<body>No syllabus available</body>');
   54:         return OK;
   55:     }
   56: # --------------------------------------------------------- The syllabus fields
   57:     my %syllabusfields=(
   58:        'aaa_instructorinfo' => 'Instructor Information',
   59:        'bbb_description'    => 'Course Description',
   60:        'ccc_prereq'         => 'Prerequisites',
   61:        'ddd_officehours'    => 'Office Hours',
   62:        'eee_helproom'       => 'Helproom Hours',
   63:        'fff_examinfo'       => 'Exam Information',
   64:        'ggg_grading'        => 'Grading Information',
   65:        'hhh_readings'       => 'Readings');
   66: 
   67:        
   68: # ------------------------------------- There is such a course, get environment
   69:     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
   70:     $r->print(&Apache::loncommon::bodytag("Syllabus",'','','',$cdom));
   71:     $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
   72:               $Apache::lonnet::domaindescription{$cdom}.'</h3>');
   73:     my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
   74:     my $allowed=0;
   75: 
   76: # This handler might be called anonymously ...
   77: # ----------------------------------------------------- Only if not public call
   78:     if ($ENV{'user.environment'}) {
   79: # does this user have privileges to post, etc?
   80:        if ($ENV{'request.course.id'}) {
   81:           $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
   82:        }
   83:        if (($allowed) && ($ENV{'form.storesyl'})) {
   84: 	   foreach (keys %syllabusfields) {
   85:                my $field=$ENV{'form.'.$_};
   86:                $field=~s/\s+$//s;
   87:                $field=~s/\</\&lt\;/g;
   88:                $field=~s/\>/\&gt\;/g;
   89: 	       if ($field) {
   90: 		   $syllabus{$_}=$field;
   91:                } else {
   92:                    delete $syllabus{$_};
   93:                }
   94:            }
   95:            $syllabus{'uploaded.domain'}=$ENV{'user.domain'};
   96:            $syllabus{'uploaded.name'}=$ENV{'user.name'};
   97:            $syllabus{'uploaded.lastmodified'}=time;
   98:            &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
   99:        }
  100:     }
  101: # ---------------------------------------------------------------- Get syllabus
  102:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
  103:        $r->print('<table><tr><td>Uploaded:</td><td>'.
  104:  &Apache::loncommon::plainname($syllabus{'uploaded.name'},
  105:                      $syllabus{'uploaded.domain'}).
  106:  '</td></tr><tr><td>Last updated</td><td>'.
  107:                      localtime($syllabus{'uploaded.lastmodified'}).
  108:                      '</td></tr></table><p>');
  109:        if ($allowed) {
  110: 	   $r->print('<form method="post">');
  111:        }
  112:        foreach (sort keys %syllabusfields) {
  113:           if (($syllabus{$_}) || ($allowed)) {
  114:               my $message=$syllabus{$_};
  115:               $message=~s/\n/\<br \/\>/g;
  116:               $message
  117:              =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
  118: 	      $message=&Apache::lontexconvert::msgtexconverted($message);
  119:               $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
  120:                         $message.'</blockquote>');
  121:               if ($allowed) {
  122:                  $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
  123: 			   $syllabus{$_}.
  124:            '</textarea><input type="submit" name="storesyl" value="Store" />');
  125: 	      }
  126: 	  }
  127:        }
  128:        if ($allowed) {
  129: 	   $r->print('</form>');
  130:        }
  131:        $r->print('</p>');
  132:     } else {
  133:        $r->print('<p>No syllabus information provided.</p>');
  134:     }
  135:     $r->print('</body></html>');
  136:     return OK;
  137: } 
  138: 
  139: 1;
  140: __END__
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