Annotation of loncom/interface/lonpickcourse.pm, revision 1.18
1.1 www 1: # The LearningOnline Network
2: # Pick a course
3: #
1.18 ! raeburn 4: # $Id: lonpickcourse.pm,v 1.17 2004/06/29 14:56:32 raeburn 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',
1.18 ! raeburn 55: 'cdomelement','cnameelement','roleelement']);
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: }
1.18 ! raeburn 93: my $submitopener = '';
! 94: my $autosubmit = '';
! 95: my $roleelement = '';
! 96: my $roledom = $ENV{'form.roleelement'};
! 97: if ($roledom) {
! 98: $roleelement = '<input type="hidden" name="roleelement" value="'.$roledom.'" />';
! 99: $submitopener = &Apache::lonroles::processpick($roledom);
! 100: $autosubmit = 'process_pick("'.$roledom.'")';
! 101: }
1.1 www 102: $r->print(<<ENDSCRIPT);
103: <script>
1.13 albertel 104: function gochoose(cname,cdom,cdesc) {
105: $name_code
106: opener.document.$ENV{"form.form"}.$ENV{'form.cnumelement'}.value=cname;
1.1 www 107: var slct=opener.document.$ENV{'form.form'}.$ENV{'form.cdomelement'};
108: var i;
109: for (i=0;i<slct.length;i++) {
1.7 www 110: if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
1.1 www 111: }
1.18 ! raeburn 112: $autosubmit
1.1 www 113: self.close();
114: }
115: </script>
1.18 ! raeburn 116: $submitopener
1.4 www 117: <form method="post">
1.5 www 118: <input type="hidden" name="cnumelement" value="$ENV{'form.cnumelement'}" />
119: <input type="hidden" name="cdomelement" value="$ENV{'form.cdomelement'}" />
1.13 albertel 120: $name_input
1.5 www 121: <input type="hidden" name="form" value="$ENV{'form.form'}" />
1.18 ! raeburn 122: $roleelement
1.8 www 123: $lt{'cac'}: $sincefilterform
1.4 www 124: <br />
1.8 www 125: $lt{'cdo'}: $domainselectform
1.4 www 126: <br />
1.8 www 127: $lt{'cde'}:
1.15 www 128: <input type="text" name="descriptfilter" size="40" value="$listdescript" />
1.5 www 129: <p><input type="submit" name="gosearch" value="Search" /></p>
1.4 www 130: </form>
1.5 www 131: <hr />
1.1 www 132: ENDSCRIPT
1.2 www 133: # ---------------------------------------------------------------- Get the data
1.5 www 134: if ($ENV{'form.gosearch'}) {
1.8 www 135: $r->print(&mt('Searching').' ...<br /> <br />');
1.6 www 136: $r->rflush();
1.5 www 137: unless ($descriptfilter) { $descriptfilter='.'; }
138: my $timefilter=($sincefilter==-1?1:time-$sincefilter);
139: my %courses=
140: &Apache::lonnet::courseiddump
141: ($domainfilter,$descriptfilter,$timefilter);
142: $r->print('<form>');
1.10 albertel 143: my %by_descrip;
144: foreach my $course (keys %courses) {
1.17 raeburn 145: my $descr;
146: if ($courses{$course} =~ m/^([^:]*):/) {
147: $descr = &Apache::lonnet::unescape($1);
148: } else {
149: $descr = &Apache::lonnet::unescape($courses{$course});
150: }
151: $by_descrip{lc($descr)}=$course;
1.10 albertel 152: }
153: foreach my $description (sort(keys(%by_descrip))) {
154: my $course=$by_descrip{$description};
1.17 raeburn 155: my $cleandesc=&HTML::Entities::encode($description,'<>&"');
1.13 albertel 156: $cleandesc=~s/'/\\'/g;
1.10 albertel 157: my ($cdom,$cnum)=split(/\_/,$course);
1.5 www 158: $r->print('<input type="button" value="Select" onClick="gochoose('.
1.17 raeburn 159: "'".$cnum."','".$cdom."','".$cleandesc."')".'" /> '.$description.' ('.
1.3 www 160: ($Apache::lonnet::domaindescription{$cdom}?
1.5 www 161: $Apache::lonnet::domaindescription{$cdom}:$cdom).
162: ")<br />\n");
163: }
1.12 albertel 164: if (!%courses) { $r->print(&mt('None found')); }
1.5 www 165: $r->print('</form>');
1.2 www 166: }
1.5 www 167: $r->print('</body></html>');
1.1 www 168: return OK;
1.18 ! raeburn 169: }
1.1 www 170:
171: 1;
172: __END__
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