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# The LearningOnline Network # Pick a CODE from the list of possible CODEs # # $Id: lonpickcode.pm,v 1.9 2006/03/15 22:11:04 albertel Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # package Apache::lonpickcode; use strict; use Apache::Constants qw(:common); use Apache::loncommon(); use Apache::grades(); use Apache::lonlocal; use Apache::lonnet; sub get_code_freq { my ($r)=@_; my %codes; my %scantron_config= &Apache::grades::get_scantron_config($env{'form.scantron_format'}); $r->rflush(); my ($scanlines,$scan_data)=&Apache::grades::scantron_getfile(); for (my $i=0;$i<=$scanlines->{'count'};$i++) { my $line=&Apache::grades::scantron_get_line($scanlines,$scan_data,$i); if ($line=~/^[\s\cz]*$/) { next; } my $scan_record= &Apache::grades::scantron_parse_scanline($line,$i, \%scantron_config, $scan_data,1); push(@{$codes{$$scan_record{'scantron.CODE'}}},$$scan_record{'scantron.PaperID'}); } return %codes; } sub handler { my $r = shift; &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['curCODE','scantron_selectfile', 'form','scantron_format','symb', 'scantron_CODElist','command']); if (!($env{'request.course.id'}) && (&Apache::lonnet::allowed('usc',$env{'request.course.id'}))) { $r->print(&Apache::loncommon::start_page(). &mt('Access not allowed.'). &Apache::loncommon::end_page()); return OK; } if ($env{'form.command'} eq 'codelist') { &code_list($r); } elsif ($env{'form.command'} eq 'showcodes') { &show_codes($r); } else { &picking_a_code($r); } $r->print(&Apache::loncommon::end_page()); return OK; } sub code_list { my ($r,$secondview)=@_; if (!$secondview) { $r->print(&Apache::loncommon::start_page("View CODEs")); $r->print("<p>".&mt('Select a set of saved CODEs to view.')."</p>"); } else { $r->print("<p>".&mt('Select another set of saved CODEs to view.')."</p>"); } $r->print("<form method='POST' action='/adm/pickcode' name='pickcode'>"); $r->print(&Apache::grades::scantron_CODElist()); $r->print("<input type='hidden' name='command' value='showcodes' />"); $r->print("<input type='hidden' name='symb' value='".$env{'form.symb'}."' />"); $r->print("<input type='hidden' name='url' value='".$env{'form.url'}."' />"); $r->print("<input type='submit' name='submit' value='".&mt("View")."' />"); $r->print("</form>"); $r->print(&Apache::grades::show_grading_menu_form($env{'form.symb'}, $env{'form.url'})); } sub show_codes { my ($r)=@_; $r->print(&Apache::loncommon::start_page("View CODEs")); my %codes=&Apache::grades::get_codes(); $r->print("<h2>".$env{'form.scantron_CODElist'}."</h2>"); $r->print('<pre>'); foreach my $code (sort(keys(%codes))) { $r->print($code."\n"); } $r->print('</pre>'); &code_list($r,1); } sub picking_a_code { my ($r)=@_; $r->print(&Apache::loncommon::start_page("Selecting a CODE")); $r->print(<<ENDSCRIPT); <script> function gochoose(newcode) { opener.document.$env{'form.form'}.scantron_CODE_selectedvalue.value=newcode; var slct=opener.document.$env{'form.form'}.scantron_CODE_resolution; var i; for (i=0;i<slct.length;i++) { if (slct[i].value=='use_found') { slct[i].checked=true; } } self.close(); } </script> ENDSCRIPT $r->print("<p>The CODE on the paper is <tt><b>".$env{'form.curCODE'}. "</b></tt>. Please Select a new one.</p>\n".'<form>'); my %codes=&Apache::grades::get_codes(); my %code_freq=&get_code_freq($r); my $num_matches=length($env{'form.curCODE'}); for (my $i=$num_matches;$i>=0;$i--) { my $to_print="<p> CODEs with $i matches</p>"; $to_print.='<table border="1"><tr><td></td><td>CODE</td><td>exams using this CODE</td>'; my $print; foreach my $code (sort(keys(%codes))) { if (&Apache::grades::num_matches($env{'form.curCODE'},$code) != $i) { next; } $print=1; my ($count,$list); if (!ref($code_freq{$code})) { $count=0; } else { $count=scalar(@{$code_freq{$code}}); $list=' - '.join(', ',@{$code_freq{$code}}); } $to_print.='<tr><td>'. '<input type="button" value="'.&mt('Select'). '" onClick="gochoose(\''.$code.'\')" /></td>'. '<td><tt>'.$code.'</tt></td><td>'.$count. $list.'</td></tr>'; delete($codes{$code}); } $to_print.='</table>'; if ($print) { $r->print($to_print); } } $r->print('</form>'); } 1; __END__