Annotation of loncom/interface/lonpickcode.pm, revision 1.14
1.1 albertel 1: # The LearningOnline Network
2: # Pick a CODE from the list of possible CODEs
3: #
1.14 ! albertel 4: # $Id: lonpickcode.pm,v 1.13 2007/10/12 20:08:38 banghart 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++) {
1.8 albertel 46: my $line=&Apache::grades::scantron_get_line($scanlines,$scan_data,$i);
1.1 albertel 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 $r->header_only;
63:
64: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
65: ['curCODE','scantron_selectfile',
1.7 albertel 66: 'form','scantron_format','symb',
67: 'scantron_CODElist','command']);
1.1 albertel 68:
1.6 albertel 69: if (!($env{'request.course.id'}) &&
70: (&Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
1.9 albertel 71: $r->print(&Apache::loncommon::start_page().
72: &mt('Access not allowed.').
73: &Apache::loncommon::end_page());
1.1 albertel 74: return OK;
75: }
1.7 albertel 76: if ($env{'form.command'} eq 'codelist') {
77: &code_list($r);
1.13 banghart 78: $r->print(&Apache::grades::show_grading_menu_form($env{'form.symb'},
79: $env{'form.url'}));
1.7 albertel 80: } elsif ($env{'form.command'} eq 'showcodes') {
81: &show_codes($r);
82: } else {
83: &picking_a_code($r);
84: }
1.9 albertel 85: $r->print(&Apache::loncommon::end_page());
1.7 albertel 86: return OK;
87: }
88:
89: sub code_list {
1.13 banghart 90: my ($r,$context)=@_;
91: # $context = 0 Print page header and enclosing table
92: # $context = 1 No page header, print enclosing table
93: # $context = 2 No page header, no enclosing table
94: my $table_head;
95: my $enc_table_start;
96: my $enc_table_close;
97:
98: if (!$context) {
1.10 albertel 99: $r->print(&Apache::loncommon::start_page("View CODEs",undef,
100: {'no_nav_bar' => 1}));
1.13 banghart 101: $table_head = ('<b>'.&mt('Select a set of saved CODEs to view.')."</b>");
102: } elsif ($context eq 1) {
103: $table_head = ('<b>'.&mt('Select another set of saved CODEs to view.')."</b>");
104: $enc_table_start = '<table width="100%"><tr><td bgcolor="#777777">';
105: $enc_table_close = '</tr></td></table>';
106: } elsif ($context eq 2) {
107: $table_head = ('<b>'.&mt('Select a set of saved CODEs to view.')."</b>");
1.7 albertel 108: }
1.14 ! albertel 109: $r->print("<form method='post' action='/adm/pickcode' name='pickcode'>");
1.13 banghart 110: $r->print($enc_table_start);
111: $r->print('<table width="100%">');
112: $r->print('<tr><td bgcolor="#e6ffff">');
113: $r->print($table_head);
114: $r->print('</td></tr>');
115: $r->print('<tr><td bgcolor="#ffffe6">');
1.14 ! albertel 116: $r->print("<input type='submit' name='submit' value='".&mt("View:")."' /> ");
1.7 albertel 117: $r->print(&Apache::grades::scantron_CODElist());
1.13 banghart 118: $r->print('</td></tr>');
1.14 ! albertel 119: $r->print('</table>');
! 120: $r->print($enc_table_close); # conditional
1.7 albertel 121: $r->print("<input type='hidden' name='command' value='showcodes' />");
122: $r->print("<input type='hidden' name='symb' value='".$env{'form.symb'}."' />");
123: $r->print("<input type='hidden' name='url' value='".$env{'form.url'}."' />");
124: $r->print("</form>");
1.13 banghart 125:
1.7 albertel 126: }
127:
128: sub show_codes {
129: my ($r)=@_;
1.10 albertel 130: $r->print(&Apache::loncommon::start_page("View CODEs",undef,
131: {'no_nav_bar' => 1}));
1.7 albertel 132: my %codes=&Apache::grades::get_codes();
133: $r->print("<h2>".$env{'form.scantron_CODElist'}."</h2>");
134: $r->print('<pre>');
135: foreach my $code (sort(keys(%codes))) {
136: $r->print($code."\n");
137: }
138: $r->print('</pre>');
139: &code_list($r,1);
1.13 banghart 140: $r->print(&Apache::grades::show_grading_menu_form($env{'form.symb'},
141: $env{'form.url'}));
1.7 albertel 142: }
1.1 albertel 143:
1.7 albertel 144: sub picking_a_code {
145: my ($r)=@_;
1.10 albertel 146: $r->print(&Apache::loncommon::start_page("Selecting a CODE",undef,
147: {'no_nav_bar' => 1}));
1.1 albertel 148: $r->print(<<ENDSCRIPT);
149: <script>
1.2 albertel 150: function gochoose(newcode) {
1.6 albertel 151: opener.document.$env{'form.form'}.scantron_CODE_selectedvalue.value=newcode;
152: var slct=opener.document.$env{'form.form'}.scantron_CODE_resolution;
1.1 albertel 153: var i;
154: for (i=0;i<slct.length;i++) {
1.2 albertel 155: if (slct[i].value=='use_found') { slct[i].checked=true; }
1.1 albertel 156: }
157: self.close();
158: }
159: </script>
160: ENDSCRIPT
161:
162:
1.6 albertel 163: $r->print("<p>The CODE on the paper is <tt><b>".$env{'form.curCODE'}.
1.1 albertel 164: "</b></tt>. Please Select a new one.</p>\n".'<form>');
1.4 albertel 165: my %codes=&Apache::grades::get_codes();
1.1 albertel 166: my %code_freq=&get_code_freq($r);
1.6 albertel 167: my $num_matches=length($env{'form.curCODE'});
1.1 albertel 168: for (my $i=$num_matches;$i>=0;$i--) {
1.12 albertel 169: my $to_print="<p>".&mt("CODEs with [_1] matching letters",$i)."</p>";
1.4 albertel 170: $to_print.='<table border="1"><tr><td></td><td>CODE</td><td>exams using this CODE</td>';
1.1 albertel 171: my $print;
172: foreach my $code (sort(keys(%codes))) {
1.6 albertel 173: if (&Apache::grades::num_matches($env{'form.curCODE'},$code) != $i) { next; }
1.1 albertel 174: $print=1;
1.4 albertel 175: my ($count,$list);
176: if (!ref($code_freq{$code})) {
177: $count=0;
178: } else {
179: $count=scalar(@{$code_freq{$code}});
180: $list=' - '.join(', ',@{$code_freq{$code}});
181: }
1.1 albertel 182: $to_print.='<tr><td>'.
183: '<input type="button" value="'.&mt('Select').
184: '" onClick="gochoose(\''.$code.'\')" /></td>'.
1.4 albertel 185: '<td><tt>'.$code.'</tt></td><td>'.$count.
186: $list.'</td></tr>';
1.1 albertel 187: delete($codes{$code});
188: }
189: $to_print.='</table>';
190: if ($print) { $r->print($to_print); }
191: }
1.7 albertel 192: $r->print('</form>');
1.1 albertel 193: }
194:
195: 1;
196: __END__
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