Annotation of loncom/interface/lonpickcourse.pm, revision 1.9

1.1       www         1: # The LearningOnline Network
                      2: # Pick a course
                      3: #
1.9     ! albertel    4: # $Id: lonpickcourse.pm,v 1.8 2003/09/22 00:48:32 www 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::lonpickcourse;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
                     33: use Apache::loncommon;
                     34: use Apache::loncoursedata;
                     35: use Apache::lonnet;
1.8       www        36: use Apache::lonlocal;
1.1       www        37: 
                     38: sub handler {
                     39:     my $r = shift;
1.8       www        40:     &Apache::loncommon::content_type($r,'text/html');
1.1       www        41:     $r->send_http_header;
                     42:     return OK if $r->header_only;
                     43: 
                     44: # ------------------------------------------------------------ Print the screen
                     45:     $r->print(<<ENDDOCUMENT);
                     46: <html>
                     47: <head>
                     48: <title>The LearningOnline Network with CAPA</title>
                     49: </head>
                     50: ENDDOCUMENT
1.5       www        51: # Get parameters from query string
1.1       www        52:     &Apache::loncommon::get_unprocessed_cgi
                     53:         ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter',
                     54:                  'sincefilter','form','cnumelement','cdomelement']);
1.5       www        55: # domain filter and selection
1.1       www        56:     my $domainfilter=$ENV{'form.domainfilter'};
                     57:     $domainfilter=~s/\W//g;
1.4       www        58:     unless ($domainfilter) { $domainfilter=''; }
                     59:     my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter,
                     60:                                                           'domainfilter',1);
1.5       www        61: # description filter
1.1       www        62:     my $descriptfilter=$ENV{'form.descriptfilter'};
1.4       www        63:     $descriptfilter=~s/[^\w\s]//g;
                     64:     unless ($descriptfilter) { $descriptfilter=''; }
1.5       www        65: 
                     66: # last course activity filter and selection
1.1       www        67:     my $sincefilter=$ENV{'form.sincefilter'};
1.5       www        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',
1.9     ! albertel   77:                       '31104000' => 'last year',
        !            78:                       'select_form_order' =>
        !            79:                       ['-1','86400','604800','2592000','7776000',
        !            80: 		      '15552000','31104000']));
1.1       www        81:        
                     82:     $r->print(&Apache::loncommon::bodytag("Selecting a Course"));
1.8       www        83:     my %lt=&Apache::lonlocal::texthash(
                     84: 				       'cac' => 'Course Activity',
                     85: 				       'cde' => 'Course Description',
                     86: 				       'cdo' => 'Course Domain');
1.1       www        87:     $r->print(<<ENDSCRIPT);
                     88: <script>
                     89: function gochoose(cname,cdom) {
                     90:     opener.document.$ENV{'form.form'}.$ENV{'form.cnumelement'}.value=cname;
                     91:     var slct=opener.document.$ENV{'form.form'}.$ENV{'form.cdomelement'};
                     92:     var i;
                     93:     for (i=0;i<slct.length;i++) {
1.7       www        94:         if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
1.1       www        95:     }
                     96:     self.close();
                     97: }
                     98: </script>
1.4       www        99: <form method="post">
1.5       www       100: <input type="hidden" name="cnumelement" value="$ENV{'form.cnumelement'}" />
                    101: <input type="hidden" name="cdomelement" value="$ENV{'form.cdomelement'}" />
                    102: <input type="hidden" name="form" value="$ENV{'form.form'}" />
                    103: 
1.8       www       104: $lt{'cac'}: $sincefilterform
1.4       www       105: <br />
1.8       www       106: $lt{'cdo'}: $domainselectform
1.4       www       107: <br />
1.8       www       108: $lt{'cde'}:
1.4       www       109: <input type="text" name="descriptfilter" size="40" value="$descriptfilter" />
1.5       www       110: <p><input type="submit" name="gosearch" value="Search" /></p>
1.4       www       111: </form>
1.5       www       112: <hr />
1.1       www       113: ENDSCRIPT
1.2       www       114: # ---------------------------------------------------------------- Get the data
1.5       www       115:     if ($ENV{'form.gosearch'}) {
1.8       www       116:         $r->print(&mt('Searching').' ...<br />&nbsp;<br />');
1.6       www       117:         $r->rflush();
1.5       www       118: 	unless ($descriptfilter) { $descriptfilter='.'; }
                    119:         my $timefilter=($sincefilter==-1?1:time-$sincefilter);
                    120: 	my %courses=
                    121: 	    &Apache::lonnet::courseiddump
                    122: 	    ($domainfilter,$descriptfilter,$timefilter);
                    123: 	$r->print('<form>');
                    124: 	foreach (keys %courses) {
                    125: 	    my ($cdom,$cnum)=split(/\_/,$_);
                    126: 	    $r->print('<input type="button" value="Select" onClick="gochoose('.
1.3       www       127: 		  "'".$cnum."','".$cdom."')".'" /> '.$courses{$_}.' ('.
                    128: 		  ($Apache::lonnet::domaindescription{$cdom}?
1.5       www       129:                    $Apache::lonnet::domaindescription{$cdom}:$cdom).
                    130:                  ")<br />\n");
                    131: 	}
                    132:         $r->print('</form>');
1.2       www       133:     }
1.5       www       134:     $r->print('</body></html>');
1.1       www       135:     return OK;
                    136: } 
                    137: 
                    138: 1;
                    139: __END__

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