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File:  [LON-CAPA] / loncom / interface / lonpickcourse.pm
Revision 1.8: download - view: text, annotated - select for diffs
Mon Sep 22 00:48:32 2003 UTC (20 years, 9 months ago) by www
Branches: MAIN
CVS tags: HEAD
Internationalization, German Localization

    1: # The LearningOnline Network
    2: # Pick a course
    3: #
    4: # $Id: lonpickcourse.pm,v 1.8 2003/09/22 00:48:32 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: use Apache::lonlocal;
   37: 
   38: sub handler {
   39:     my $r = shift;
   40:     &Apache::loncommon::content_type($r,'text/html');
   41:     $r->send_http_header;
   42:     return OK if $r->header_only;
   43: 
   44: # ------------------------------------------------------------ Print the screen
   45:     $r->print(<<ENDDOCUMENT);
   46: <html>
   47: <head>
   48: <title>The LearningOnline Network with CAPA</title>
   49: </head>
   50: ENDDOCUMENT
   51: # Get parameters from query string
   52:     &Apache::loncommon::get_unprocessed_cgi
   53:         ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter',
   54:                  'sincefilter','form','cnumelement','cdomelement']);
   55: # domain filter and selection
   56:     my $domainfilter=$ENV{'form.domainfilter'};
   57:     $domainfilter=~s/\W//g;
   58:     unless ($domainfilter) { $domainfilter=''; }
   59:     my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter,
   60:                                                           'domainfilter',1);
   61: # description filter
   62:     my $descriptfilter=$ENV{'form.descriptfilter'};
   63:     $descriptfilter=~s/[^\w\s]//g;
   64:     unless ($descriptfilter) { $descriptfilter=''; }
   65: 
   66: # last course activity filter and selection
   67:     my $sincefilter=$ENV{'form.sincefilter'};
   68:     $sincefilter=~s/[^\d-]//g;
   69:     unless ($sincefilter) { $sincefilter=-1; }
   70:     my $sincefilterform=&Apache::loncommon::select_form($sincefilter,
   71:        'sincefilter',('-1'=>'',
   72:                       '86400' => 'today',
   73:                       '604800' => 'last week',
   74:                       '2592000' => 'last month',
   75:                       '7776000' => 'last three months',
   76:                       '15552000' => 'last six months',
   77:                       '31104000' => 'last year'));
   78:        
   79:     $r->print(&Apache::loncommon::bodytag("Selecting a Course"));
   80:     my %lt=&Apache::lonlocal::texthash(
   81: 				       'cac' => 'Course Activity',
   82: 				       'cde' => 'Course Description',
   83: 				       'cdo' => 'Course Domain');
   84:     $r->print(<<ENDSCRIPT);
   85: <script>
   86: function gochoose(cname,cdom) {
   87:     opener.document.$ENV{'form.form'}.$ENV{'form.cnumelement'}.value=cname;
   88:     var slct=opener.document.$ENV{'form.form'}.$ENV{'form.cdomelement'};
   89:     var i;
   90:     for (i=0;i<slct.length;i++) {
   91:         if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
   92:     }
   93:     self.close();
   94: }
   95: </script>
   96: <form method="post">
   97: <input type="hidden" name="cnumelement" value="$ENV{'form.cnumelement'}" />
   98: <input type="hidden" name="cdomelement" value="$ENV{'form.cdomelement'}" />
   99: <input type="hidden" name="form" value="$ENV{'form.form'}" />
  100: 
  101: $lt{'cac'}: $sincefilterform
  102: <br />
  103: $lt{'cdo'}: $domainselectform
  104: <br />
  105: $lt{'cde'}:
  106: <input type="text" name="descriptfilter" size="40" value="$descriptfilter" />
  107: <p><input type="submit" name="gosearch" value="Search" /></p>
  108: </form>
  109: <hr />
  110: ENDSCRIPT
  111: # ---------------------------------------------------------------- Get the data
  112:     if ($ENV{'form.gosearch'}) {
  113:         $r->print(&mt('Searching').' ...<br />&nbsp;<br />');
  114:         $r->rflush();
  115: 	unless ($descriptfilter) { $descriptfilter='.'; }
  116:         my $timefilter=($sincefilter==-1?1:time-$sincefilter);
  117: 	my %courses=
  118: 	    &Apache::lonnet::courseiddump
  119: 	    ($domainfilter,$descriptfilter,$timefilter);
  120: 	$r->print('<form>');
  121: 	foreach (keys %courses) {
  122: 	    my ($cdom,$cnum)=split(/\_/,$_);
  123: 	    $r->print('<input type="button" value="Select" onClick="gochoose('.
  124: 		  "'".$cnum."','".$cdom."')".'" /> '.$courses{$_}.' ('.
  125: 		  ($Apache::lonnet::domaindescription{$cdom}?
  126:                    $Apache::lonnet::domaindescription{$cdom}:$cdom).
  127:                  ")<br />\n");
  128: 	}
  129:         $r->print('</form>');
  130:     }
  131:     $r->print('</body></html>');
  132:     return OK;
  133: } 
  134: 
  135: 1;
  136: __END__
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