Annotation of loncom/interface/lonpickcode.pm, revision 1.11

1.1       albertel    1: # The LearningOnline Network
                      2: # Pick a CODE from the list of possible CODEs
                      3: #
1.11    ! albertel    4: # $Id: lonpickcode.pm,v 1.10 2006/03/16 21:54:40 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++) {
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($r);
                     78:     } elsif ($env{'form.command'} eq 'showcodes') {
                     79: 	&show_codes($r);
                     80:     } else {
                     81: 	&picking_a_code($r);
                     82:     }
1.9       albertel   83:     $r->print(&Apache::loncommon::end_page());
1.7       albertel   84:     return OK;
                     85: }
                     86: 
                     87: sub code_list {
                     88:     my ($r,$secondview)=@_;
                     89:     if (!$secondview) {
1.10      albertel   90: 	$r->print(&Apache::loncommon::start_page("View CODEs",undef,
                     91: 						 {'no_nav_bar' => 1}));
1.7       albertel   92: 	$r->print("<p>".&mt('Select a set of saved CODEs to view.')."</p>");
                     93:     } else {
                     94: 	$r->print("<p>".&mt('Select another set of saved CODEs to view.')."</p>");
                     95:     }
                     96:     $r->print("<form method='POST' action='/adm/pickcode' name='pickcode'>");
                     97:     $r->print(&Apache::grades::scantron_CODElist());
                     98:     $r->print("<input type='hidden' name='command' value='showcodes' />");
                     99:     $r->print("<input type='hidden' name='symb' value='".$env{'form.symb'}."' />");
                    100:     $r->print("<input type='hidden' name='url' value='".$env{'form.url'}."' />");
                    101:     $r->print("<input type='submit' name='submit' value='".&mt("View")."' />");
                    102:     $r->print("</form>");
                    103:     $r->print(&Apache::grades::show_grading_menu_form($env{'form.symb'},
                    104: 						      $env{'form.url'}));
                    105: }
                    106: 
                    107: sub show_codes {
                    108:     my ($r)=@_;
1.10      albertel  109:     $r->print(&Apache::loncommon::start_page("View CODEs",undef,
                    110: 					     {'no_nav_bar' => 1}));
1.7       albertel  111:     my %codes=&Apache::grades::get_codes();
                    112:     $r->print("<h2>".$env{'form.scantron_CODElist'}."</h2>");
                    113:     $r->print('<pre>');
                    114:     foreach my $code (sort(keys(%codes))) {
                    115: 	$r->print($code."\n");
                    116:     }
                    117:     $r->print('</pre>');
                    118:     &code_list($r,1);
                    119: }
1.1       albertel  120: 
1.7       albertel  121: sub picking_a_code {
                    122:     my ($r)=@_;
1.10      albertel  123:     $r->print(&Apache::loncommon::start_page("Selecting a CODE",undef,
                    124: 					     {'no_nav_bar' => 1}));
1.1       albertel  125:     $r->print(<<ENDSCRIPT);
                    126: <script>
1.2       albertel  127: function gochoose(newcode) {
1.6       albertel  128:     opener.document.$env{'form.form'}.scantron_CODE_selectedvalue.value=newcode;
                    129:     var slct=opener.document.$env{'form.form'}.scantron_CODE_resolution;
1.1       albertel  130:     var i;
                    131:     for (i=0;i<slct.length;i++) {
1.2       albertel  132:         if (slct[i].value=='use_found') { slct[i].checked=true; }
1.1       albertel  133:     }
                    134:     self.close();
                    135: }
                    136: </script>
                    137: ENDSCRIPT
                    138: 
                    139: 
1.6       albertel  140:     $r->print("<p>The CODE on the paper is <tt><b>".$env{'form.curCODE'}.
1.1       albertel  141: 	      "</b></tt>. Please Select a new one.</p>\n".'<form>');
1.4       albertel  142:     my %codes=&Apache::grades::get_codes();
1.1       albertel  143:     my %code_freq=&get_code_freq($r);
1.6       albertel  144:     my $num_matches=length($env{'form.curCODE'});
1.1       albertel  145:     for (my $i=$num_matches;$i>=0;$i--) {
1.11    ! albertel  146: 	my $to_print="<p>"&mt("CODEs with [_1] matching letters",$i)."</p>";
1.4       albertel  147: 	$to_print.='<table border="1"><tr><td></td><td>CODE</td><td>exams using this CODE</td>';
1.1       albertel  148: 	my $print;
                    149: 	foreach my $code (sort(keys(%codes))) {
1.6       albertel  150: 	    if (&Apache::grades::num_matches($env{'form.curCODE'},$code) != $i) { next; }
1.1       albertel  151: 	    $print=1;
1.4       albertel  152: 	    my ($count,$list);
                    153: 	    if (!ref($code_freq{$code})) {
                    154: 		$count=0;
                    155: 	    } else {
                    156: 		$count=scalar(@{$code_freq{$code}});
                    157: 		$list=' - '.join(', ',@{$code_freq{$code}});
                    158: 	    }
1.1       albertel  159: 	    $to_print.='<tr><td>'.
                    160: 		      '<input type="button" value="'.&mt('Select').
                    161: 		      '" onClick="gochoose(\''.$code.'\')" /></td>'.
1.4       albertel  162: 		      '<td><tt>'.$code.'</tt></td><td>'.$count.
                    163: 		      $list.'</td></tr>';
1.1       albertel  164: 	    delete($codes{$code});
                    165: 	}
                    166: 	$to_print.='</table>';
                    167: 	if ($print) { $r->print($to_print); }
                    168:     }
1.7       albertel  169:     $r->print('</form>');
1.1       albertel  170: } 
                    171: 
                    172: 1;
                    173: __END__

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