Annotation of loncom/interface/lonpickcode.pm, revision 1.6
1.1 albertel 1: # The LearningOnline Network
2: # Pick a CODE from the list of possible CODEs
3: #
1.6 ! albertel 4: # $Id: lonpickcode.pm,v 1.5 2005/02/17 08:29:43 albertel Exp $
1.1 albertel 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::lonpickcode;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon();
34: use Apache::grades();
35: use Apache::lonlocal;
1.6 ! albertel 36: use Apache::lonnet;
1.1 albertel 37:
38: sub get_code_freq {
39: my ($r)=@_;
40: my %codes;
41: my %scantron_config=
1.6 ! albertel 42: &Apache::grades::get_scantron_config($env{'form.scantron_format'});
1.1 albertel 43: $r->rflush();
44: my ($scanlines,$scan_data)=&Apache::grades::scantron_getfile();
45: for (my $i=0;$i<=$scanlines->{'count'};$i++) {
46: my $line=&Apache::grades::scantron_get_line($scanlines,$i);
47: if ($line=~/^[\s\cz]*$/) { next; }
48: my $scan_record=
49: &Apache::grades::scantron_parse_scanline($line,$i,
50: \%scantron_config,
51: $scan_data,1);
1.4 albertel 52: push(@{$codes{$$scan_record{'scantron.CODE'}}},$$scan_record{'scantron.PaperID'});
1.1 albertel 53:
54: }
55: return %codes;
56: }
57:
58: sub handler {
59: my $r = shift;
60: &Apache::loncommon::content_type($r,'text/html');
61: $r->send_http_header;
62: return OK if $r->header_only;
1.5 albertel 63: my $html=&Apache::lonxml::xmlbegin();
1.1 albertel 64: $r->print(<<ENDDOCUMENT);
1.5 albertel 65: $html
1.1 albertel 66: <head>
67: <title>The LearningOnline Network with CAPA</title>
68: </head>
69: ENDDOCUMENT
70:
71:
72: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
73: ['curCODE','scantron_selectfile',
74: 'form','scantron_format',
75: 'scantron_CODElist']);
76:
1.6 ! albertel 77: if (!($env{'request.course.id'}) &&
! 78: (&Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
1.1 albertel 79: $r->print('<body>Access not allowed.</body>');
80: return OK;
81: }
82:
83: $r->print(&Apache::loncommon::bodytag("Selecting a CODE"));
84: $r->print(<<ENDSCRIPT);
85: <script>
1.2 albertel 86: function gochoose(newcode) {
1.6 ! albertel 87: opener.document.$env{'form.form'}.scantron_CODE_selectedvalue.value=newcode;
! 88: var slct=opener.document.$env{'form.form'}.scantron_CODE_resolution;
1.1 albertel 89: var i;
90: for (i=0;i<slct.length;i++) {
1.2 albertel 91: if (slct[i].value=='use_found') { slct[i].checked=true; }
1.1 albertel 92: }
93: self.close();
94: }
95: </script>
96: ENDSCRIPT
97:
98:
1.6 ! albertel 99: $r->print("<p>The CODE on the paper is <tt><b>".$env{'form.curCODE'}.
1.1 albertel 100: "</b></tt>. Please Select a new one.</p>\n".'<form>');
1.4 albertel 101: my %codes=&Apache::grades::get_codes();
1.1 albertel 102: my %code_freq=&get_code_freq($r);
1.6 ! albertel 103: my $num_matches=length($env{'form.curCODE'});
1.1 albertel 104: for (my $i=$num_matches;$i>=0;$i--) {
105: my $to_print="<p> CODEs with $i matches</p>";
1.4 albertel 106: $to_print.='<table border="1"><tr><td></td><td>CODE</td><td>exams using this CODE</td>';
1.1 albertel 107: my $print;
108: foreach my $code (sort(keys(%codes))) {
1.6 ! albertel 109: if (&Apache::grades::num_matches($env{'form.curCODE'},$code) != $i) { next; }
1.1 albertel 110: $print=1;
1.4 albertel 111: my ($count,$list);
112: if (!ref($code_freq{$code})) {
113: $count=0;
114: } else {
115: $count=scalar(@{$code_freq{$code}});
116: $list=' - '.join(', ',@{$code_freq{$code}});
117: }
1.1 albertel 118: $to_print.='<tr><td>'.
119: '<input type="button" value="'.&mt('Select').
120: '" onClick="gochoose(\''.$code.'\')" /></td>'.
1.4 albertel 121: '<td><tt>'.$code.'</tt></td><td>'.$count.
122: $list.'</td></tr>';
1.1 albertel 123: delete($codes{$code});
124: }
125: $to_print.='</table>';
126: if ($print) { $r->print($to_print); }
127: }
128: $r->print('</form></body></html>');
129: return OK;
130: }
131:
132: 1;
133: __END__
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