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File:  [LON-CAPA] / loncom / interface / lonpickcourse.pm
Revision 1.4: download - view: text, annotated - select for diffs
Wed Mar 26 19:34:42 2003 UTC (21 years, 3 months ago) by www
Branches: MAIN
CVS tags: HEAD
Pick-a-course, continued.

    1: # The LearningOnline Network
    2: # Pick a course
    3: #
    4: # $Id: lonpickcourse.pm,v 1.4 2003/03/26 19:34:42 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::lonpickcourse;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common);
   33: use Apache::loncommon;
   34: use Apache::loncoursedata;
   35: use Apache::lonnet;
   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:     $r->print(<<ENDDOCUMENT);
   45: <html>
   46: <head>
   47: <title>The LearningOnline Network with CAPA</title>
   48: </head>
   49: ENDDOCUMENT
   50: 
   51: 
   52:     &Apache::loncommon::get_unprocessed_cgi
   53:         ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter',
   54:                  'sincefilter','form','cnumelement','cdomelement']);
   55:     my $domainfilter=$ENV{'form.domainfilter'};
   56:     $domainfilter=~s/\W//g;
   57:     unless ($domainfilter) { $domainfilter=''; }
   58:     my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter,
   59:                                                           'domainfilter',1);
   60:     my $descriptfilter=$ENV{'form.descriptfilter'};
   61:     $descriptfilter=~s/[^\w\s]//g;
   62:     unless ($descriptfilter) { $descriptfilter=''; }
   63:     my $sincefilter=$ENV{'form.sincefilter'};
   64:     $sincefilter=~s/\D//g;
   65:     unless ($sincefilter) { $sincefilter=0; }
   66:        
   67:     $r->print(&Apache::loncommon::bodytag("Selecting a Course"));
   68:     $r->print(<<ENDSCRIPT);
   69: <script>
   70: function gochoose(cname,cdom) {
   71:     opener.document.$ENV{'form.form'}.$ENV{'form.cnumelement'}.value=cname;
   72:     var slct=opener.document.$ENV{'form.form'}.$ENV{'form.cdomelement'};
   73:     var i;
   74:     for (i=0;i<slct.length;i++) {
   75:         if (slct[i]==cdom) { slct.selectedIndex=i; }
   76:     }
   77:     self.close();
   78: }
   79: </script>
   80: <form method="post">
   81: <br />
   82: Course Domain: $domainselectform
   83: <br />
   84: Course Description:
   85: <input type="text" name="descriptfilter" size="40" value="$descriptfilter" />
   86: <input type="submit" name="gosearch" value="Search" />
   87: </form>
   88: 
   89: ENDSCRIPT
   90:     $r->rflush();
   91: # ---------------------------------------------------------------- Get the data
   92:     unless ($descriptfilter) { $descriptfilter='.'; }
   93:     my %courses=
   94:      &Apache::lonnet::courseiddump($domainfilter,$descriptfilter,$sincefilter);
   95:     $r->print('<form>');
   96:     foreach (keys %courses) {
   97:         my ($cdom,$cnum)=split(/\_/,$_);
   98: 	$r->print('<input type="button" value="Select" onClick="gochoose('.
   99: 		  "'".$cnum."','".$cdom."')".'" /> '.$courses{$_}.' ('.
  100: 		  ($Apache::lonnet::domaindescription{$cdom}?
  101:                    $Apache::lonnet::domaindescription{$cdom}:$cdom).')<br />');
  102:     }
  103:     $r->print('</form></body></html>');
  104:     return OK;
  105: } 
  106: 
  107: 1;
  108: __END__
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