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Annotation of loncom/interface/lonpickcode.pm, revision 1.1

1.1     ! albertel    1: # The LearningOnline Network
        !             2: # Pick a CODE from the list of possible CODEs
        !             3: #
        !             4: # $Id: lonpickstudent.pm,v 1.7 2003/09/22 00:48:32 www Exp $
        !             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;
        !            36: 
        !            37: sub get_code_freq {
        !            38:     my ($r)=@_;
        !            39:     my %codes;
        !            40:     my %scantron_config=
        !            41: 	&Apache::grades::get_scantron_config($ENV{'form.scantron_format'});
        !            42:     $r->rflush();
        !            43:     my ($scanlines,$scan_data)=&Apache::grades::scantron_getfile();
        !            44:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
        !            45: 	my $line=&Apache::grades::scantron_get_line($scanlines,$i);
        !            46: 	if ($line=~/^[\s\cz]*$/) { next; }
        !            47: 	my $scan_record=
        !            48: 	    &Apache::grades::scantron_parse_scanline($line,$i,
        !            49: 						     \%scantron_config,
        !            50: 						     $scan_data,1);
        !            51: 	$codes{$$scan_record{'scantron.CODE'}}++;
        !            52: 
        !            53:     }
        !            54:     return %codes;
        !            55: }
        !            56: 
        !            57: sub get_codes {
        !            58:     my $old_name=$ENV{'form.scantron_CODElist'};
        !            59:     my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
        !            60:     my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
        !            61:     my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
        !            62:     my %allcodes=map {(&Apache::lonprintout::num_to_letters($_),1)} split(',',$result{$old_name});
        !            63:     return %allcodes;
        !            64: }
        !            65: 
        !            66: sub num_matches {
        !            67:     my ($code) = @_;
        !            68:     my $orig=$ENV{'form.curCODE'};
        !            69:     my @code=split(//,$code);
        !            70:     my @orig=split(//,$orig);
        !            71:     my $same=0;
        !            72:     for (my $i=0;$i<scalar(@code);$i++) {
        !            73: 	if ($code[$i] eq $orig[$i]) { $same++; }
        !            74:     }
        !            75:     return $same;
        !            76: }
        !            77: 
        !            78: sub handler {
        !            79:     my $r = shift;
        !            80:     &Apache::loncommon::content_type($r,'text/html');
        !            81:     $r->send_http_header;
        !            82:     return OK if $r->header_only;
        !            83: 
        !            84:     $r->print(<<ENDDOCUMENT);
        !            85: <html>
        !            86:   <head>
        !            87:     <title>The LearningOnline Network with CAPA</title>
        !            88:   </head>
        !            89: ENDDOCUMENT
        !            90: 
        !            91: 
        !            92:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
        !            93: 					    ['curCODE','scantron_selectfile',
        !            94: 					     'form','scantron_format',
        !            95: 					     'scantron_CODElist']);
        !            96: 
        !            97:     if  (!
        !            98: 	 ($ENV{'request.course.id'}) && 
        !            99: 	 (&Apache::lonnet::allowed('usc',$ENV{'request.course.id'}))) {
        !           100: 	$r->print('<body>Access not allowed.</body>');
        !           101:         return OK;
        !           102:     }
        !           103: 
        !           104:     $r->print(&Apache::loncommon::bodytag("Selecting a CODE"));
        !           105:     $r->print(<<ENDSCRIPT);
        !           106: <script>
        !           107: function gochoose(uname,udom) {
        !           108:     opener.document.$ENV{'form.form'}.$ENV{'form.unameelement'}.value=uname;
        !           109:     var slct=opener.document.$ENV{'form.form'}.$ENV{'form.udomelement'};
        !           110:     var i;
        !           111:     for (i=0;i<slct.length;i++) {
        !           112:         if (slct.options[i].value==udom) { slct.selectedIndex=i; }
        !           113:     }
        !           114:     self.close();
        !           115: }
        !           116: </script>
        !           117: ENDSCRIPT
        !           118: 
        !           119: 
        !           120:     $r->print("<p>The CODE on the paper is <tt><b>".$ENV{'form.curCODE'}.
        !           121: 	      "</b></tt>. Please Select a new one.</p>\n".'<form>');
        !           122:     my %codes=&get_codes();
        !           123:     my %code_freq=&get_code_freq($r);
        !           124:     my $num_matches=&num_matches($ENV{'form.curCODE'});
        !           125:     for (my $i=$num_matches;$i>=0;$i--) {
        !           126: 	my $to_print="<p> CODEs with $i matches</p>";
        !           127: 	$to_print.='<table border="1"><tr><td></td><td>CODE</td><td># of exams using this CODE</td>';
        !           128: 	my $print;
        !           129: 	foreach my $code (sort(keys(%codes))) {
        !           130: 	    if (&num_matches($code) != $i) { next; }
        !           131: 	    $print=1;
        !           132: 	    my $count=$code_freq{$code};
        !           133: 	    if (!$count) { $count=0; }
        !           134: 	    $to_print.='<tr><td>'.
        !           135: 		      '<input type="button" value="'.&mt('Select').
        !           136: 		      '" onClick="gochoose(\''.$code.'\')" /></td>'.
        !           137: 		      '<td><tt>'.$code.'</tt></td><td> <tt>'.$count.
        !           138: 		      '</tt></td></tr>';
        !           139: 	    delete($codes{$code});
        !           140: 	}
        !           141: 	$to_print.='</table>';
        !           142: 	if ($print) { $r->print($to_print); }
        !           143:     }
        !           144:     $r->print('</form></body></html>');
        !           145:     return OK;
        !           146: } 
        !           147: 
        !           148: 1;
        !           149: __END__