Annotation of loncom/interface/lonpickcourse.pm, revision 1.17
1.1 www 1: # The LearningOnline Network
2: # Pick a course
3: #
1.17 ! raeburn 4: # $Id: lonpickcourse.pm,v 1.16 2004/05/07 21:51:30 albertel 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',
1.13 albertel 54: 'sincefilter','form','cnumelement',
55: 'cdomelement','cnameelement']);
1.5 www 56: # domain filter and selection
1.1 www 57: my $domainfilter=$ENV{'form.domainfilter'};
58: $domainfilter=~s/\W//g;
1.4 www 59: unless ($domainfilter) { $domainfilter=''; }
60: my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter,
61: 'domainfilter',1);
1.5 www 62: # description filter
1.1 www 63: my $descriptfilter=$ENV{'form.descriptfilter'};
1.4 www 64: unless ($descriptfilter) { $descriptfilter=''; }
1.16 albertel 65: my $listdescript=&HTML::Entities::encode($descriptfilter,'<>&"');
1.5 www 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: $r->print(&Apache::loncommon::bodytag("Selecting a Course"));
1.8 www 83: my %lt=&Apache::lonlocal::texthash(
84: 'cac' => 'Course Activity',
85: 'cde' => 'Course Description',
86: 'cdo' => 'Course Domain');
1.13 albertel 87: my ($name_code,$name_input);
88: if (defined($ENV{'form.cnameelement'}) && $ENV{'form.cnameelement'} ne '') {
89: $name_code = "opener.document.$ENV{'form.form'}.$ENV{'form.cnameelement'}.value=cdesc;";
90: $name_input ='<input type="hidden" name="cnameelement" value="'.
91: $ENV{'form.cnameelement'}.'" />';
92: }
1.1 www 93: $r->print(<<ENDSCRIPT);
94: <script>
1.13 albertel 95: function gochoose(cname,cdom,cdesc) {
96: $name_code
97: opener.document.$ENV{"form.form"}.$ENV{'form.cnumelement'}.value=cname;
1.1 www 98: var slct=opener.document.$ENV{'form.form'}.$ENV{'form.cdomelement'};
99: var i;
100: for (i=0;i<slct.length;i++) {
1.7 www 101: if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
1.1 www 102: }
103: self.close();
104: }
105: </script>
1.4 www 106: <form method="post">
1.5 www 107: <input type="hidden" name="cnumelement" value="$ENV{'form.cnumelement'}" />
108: <input type="hidden" name="cdomelement" value="$ENV{'form.cdomelement'}" />
1.13 albertel 109: $name_input
1.5 www 110: <input type="hidden" name="form" value="$ENV{'form.form'}" />
111:
1.8 www 112: $lt{'cac'}: $sincefilterform
1.4 www 113: <br />
1.8 www 114: $lt{'cdo'}: $domainselectform
1.4 www 115: <br />
1.8 www 116: $lt{'cde'}:
1.15 www 117: <input type="text" name="descriptfilter" size="40" value="$listdescript" />
1.5 www 118: <p><input type="submit" name="gosearch" value="Search" /></p>
1.4 www 119: </form>
1.5 www 120: <hr />
1.1 www 121: ENDSCRIPT
1.2 www 122: # ---------------------------------------------------------------- Get the data
1.5 www 123: if ($ENV{'form.gosearch'}) {
1.8 www 124: $r->print(&mt('Searching').' ...<br /> <br />');
1.6 www 125: $r->rflush();
1.5 www 126: unless ($descriptfilter) { $descriptfilter='.'; }
127: my $timefilter=($sincefilter==-1?1:time-$sincefilter);
128: my %courses=
129: &Apache::lonnet::courseiddump
130: ($domainfilter,$descriptfilter,$timefilter);
131: $r->print('<form>');
1.10 albertel 132: my %by_descrip;
133: foreach my $course (keys %courses) {
1.17 ! raeburn 134: my $descr;
! 135: if ($courses{$course} =~ m/^([^:]*):/) {
! 136: $descr = &Apache::lonnet::unescape($1);
! 137: } else {
! 138: $descr = &Apache::lonnet::unescape($courses{$course});
! 139: }
! 140: $by_descrip{lc($descr)}=$course;
1.10 albertel 141: }
142: foreach my $description (sort(keys(%by_descrip))) {
143: my $course=$by_descrip{$description};
1.17 ! raeburn 144: my $cleandesc=&HTML::Entities::encode($description,'<>&"');
1.13 albertel 145: $cleandesc=~s/'/\\'/g;
1.10 albertel 146: my ($cdom,$cnum)=split(/\_/,$course);
1.5 www 147: $r->print('<input type="button" value="Select" onClick="gochoose('.
1.17 ! raeburn 148: "'".$cnum."','".$cdom."','".$cleandesc."')".'" /> '.$description.' ('.
1.3 www 149: ($Apache::lonnet::domaindescription{$cdom}?
1.5 www 150: $Apache::lonnet::domaindescription{$cdom}:$cdom).
151: ")<br />\n");
152: }
1.12 albertel 153: if (!%courses) { $r->print(&mt('None found')); }
1.5 www 154: $r->print('</form>');
1.2 www 155: }
1.5 www 156: $r->print('</body></html>');
1.1 www 157: return OK;
158: }
159:
160: 1;
161: __END__
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