File:  [LON-CAPA] / loncom / interface / lonpickcode.pm
Revision 1.15: download - view: text, annotated - select for diffs
Tue Nov 13 01:47:56 2007 UTC (16 years, 5 months ago) by albertel
Branches: MAIN
CVS tags: version_2_9_X, version_2_9_99_0, version_2_9_1, version_2_9_0, version_2_8_X, version_2_8_99_1, version_2_8_99_0, version_2_8_2, version_2_8_1, version_2_8_0, version_2_7_X, version_2_7_99_1, version_2_7_99_0, version_2_7_1, version_2_7_0, version_2_6_X, version_2_6_99_1, version_2_6_99_0, version_2_6_3, version_2_6_2, version_2_6_1, version_2_6_0, version_2_5_99_1, version_2_5_99_0, version_2_10_X, version_2_10_1, version_2_10_0_RC2, version_2_10_0_RC1, version_2_10_0, loncapaMITrelate_1, language_hyphenation_merge, language_hyphenation, bz6209-base, bz6209, bz5969, bz2851, PRINT_INCOMPLETE_base, PRINT_INCOMPLETE, HEAD, GCI_3, GCI_2, GCI_1, BZ5971-printing-apage, BZ5434-fox, BZ4492-merge, BZ4492-feature_horizontal_radioresponse
- data table the scantron action screen

    1: # The LearningOnline Network
    2: # Pick a CODE from the list of possible CODEs
    3: #
    4: # $Id: lonpickcode.pm,v 1.15 2007/11/13 01:47:56 albertel 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: use Apache::lonnet;
   37: 
   38: sub get_code_freq {
   39:     my ($r)=@_;
   40:     my %codes;
   41:     my %scantron_config=
   42: 	&Apache::grades::get_scantron_config($env{'form.scantron_format'});
   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,$scan_data,$i);
   47: 	if ($line=~/^[\s\cz]*$/) { next; }
   48: 	my $scan_record=
   49: 	    &Apache::grades::scantron_parse_scanline($line,$i,
   50: 						     \%scantron_config,
   51: 						     $scan_data,1);
   52: 	push(@{$codes{$$scan_record{'scantron.CODE'}}},$$scan_record{'scantron.PaperID'});
   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',
   66: 					     'form','scantron_format','symb',
   67: 					     'scantron_CODElist','command']);
   68: 
   69:     if  (!($env{'request.course.id'}) && 
   70: 	 (&Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
   71: 	$r->print(&Apache::loncommon::start_page().
   72: 		  &mt('Access not allowed.').
   73: 		  &Apache::loncommon::end_page());
   74:         return OK;
   75:     }
   76:     if      ($env{'form.command'} eq 'codelist') {
   77: 	&code_list($r);
   78:         $r->print(&Apache::grades::show_grading_menu_form($env{'form.symb'},
   79: 						      $env{'form.url'}));	
   80:     } elsif ($env{'form.command'} eq 'showcodes') {
   81: 	&show_codes($r);
   82:     } else {
   83: 	&picking_a_code($r);
   84:     }
   85:     $r->print(&Apache::loncommon::end_page());
   86:     return OK;
   87: }
   88: 
   89: sub code_list {
   90:     my ($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 $extra_css;
   96:     if (!$context) {
   97: 	$r->print(&Apache::loncommon::start_page("View CODEs",undef,
   98: 						 {'no_nav_bar' => 1}));
   99: 	$table_head = &mt('Select a set of saved CODEs to view.');
  100:     } elsif ($context eq 1) {
  101: 	$table_head = &mt('Select another set of saved CODEs to view.');
  102:     } elsif ($context eq 2) {
  103:         $table_head = &mt('Select a set of saved CODEs to view.');
  104: 	$extra_css = 'LC_scantron_action';
  105:     }
  106:     $r->print("<form method='post' action='/adm/pickcode' name='pickcode'>");
  107:     $r->print('
  108:      '.&Apache::loncommon::start_data_table($extra_css).'
  109:        '.&Apache::loncommon::start_data_table_header_row());
  110:     $r->print('<th>');
  111:     $r->print($table_head);
  112:     $r->print('</th>');
  113:     $r->print('
  114:        '.&Apache::loncommon::end_data_table_header_row().'
  115:        '.&Apache::loncommon::start_data_table_row());
  116:     $r->print('<td>');
  117:     $r->print("<input type='submit' name='submit' value='".&mt("View:")."' /> ");
  118:     $r->print(&Apache::grades::scantron_CODElist());
  119:     $r->print('</td>');
  120:     $r->print('
  121:        '.&Apache::loncommon::end_data_table_row().'
  122:        '.&Apache::loncommon::end_data_table());
  123:     $r->print("<input type='hidden' name='command' value='showcodes' />");
  124:     $r->print("<input type='hidden' name='symb' value='".$env{'form.symb'}."' />");
  125:     $r->print("<input type='hidden' name='url' value='".$env{'form.url'}."' />");
  126:     $r->print("</form>");
  127:     
  128: }
  129: 
  130: sub show_codes {
  131:     my ($r)=@_;
  132:     $r->print(&Apache::loncommon::start_page("View CODEs",undef,
  133: 					     {'no_nav_bar' => 1}));
  134:     my %codes=&Apache::grades::get_codes();
  135:     $r->print("<h2>".$env{'form.scantron_CODElist'}."</h2>");
  136:     $r->print('<pre>');
  137:     foreach my $code (sort(keys(%codes))) {
  138: 	$r->print($code."\n");
  139:     }
  140:     $r->print('</pre>');
  141:     &code_list($r,1);
  142:     $r->print(&Apache::grades::show_grading_menu_form($env{'form.symb'},
  143: 						      $env{'form.url'}));
  144: }
  145: 
  146: sub picking_a_code {
  147:     my ($r)=@_;
  148:     $r->print(&Apache::loncommon::start_page("Selecting a CODE",undef,
  149: 					     {'no_nav_bar' => 1}));
  150:     $r->print(<<ENDSCRIPT);
  151: <script>
  152: function gochoose(newcode) {
  153:     opener.document.$env{'form.form'}.scantron_CODE_selectedvalue.value=newcode;
  154:     var slct=opener.document.$env{'form.form'}.scantron_CODE_resolution;
  155:     var i;
  156:     for (i=0;i<slct.length;i++) {
  157:         if (slct[i].value=='use_found') { slct[i].checked=true; }
  158:     }
  159:     self.close();
  160: }
  161: </script>
  162: ENDSCRIPT
  163: 
  164: 
  165:     $r->print("<p>The CODE on the paper is <tt><b>".$env{'form.curCODE'}.
  166: 	      "</b></tt>. Please Select a new one.</p>\n".'<form>');
  167:     my %codes=&Apache::grades::get_codes();
  168:     my %code_freq=&get_code_freq($r);
  169:     my $num_matches=length($env{'form.curCODE'});
  170:     for (my $i=$num_matches;$i>=0;$i--) {
  171: 	my $to_print="<p>".&mt("CODEs with [_1] matching letters",$i)."</p>";
  172: 	$to_print.='<table border="1"><tr><td></td><td>CODE</td><td>exams using this CODE</td>';
  173: 	my $print;
  174: 	foreach my $code (sort(keys(%codes))) {
  175: 	    if (&Apache::grades::num_matches($env{'form.curCODE'},$code) != $i) { next; }
  176: 	    $print=1;
  177: 	    my ($count,$list);
  178: 	    if (!ref($code_freq{$code})) {
  179: 		$count=0;
  180: 	    } else {
  181: 		$count=scalar(@{$code_freq{$code}});
  182: 		$list=' - '.join(', ',@{$code_freq{$code}});
  183: 	    }
  184: 	    $to_print.='<tr><td>'.
  185: 		      '<input type="button" value="'.&mt('Select').
  186: 		      '" onClick="gochoose(\''.$code.'\')" /></td>'.
  187: 		      '<td><tt>'.$code.'</tt></td><td>'.$count.
  188: 		      $list.'</td></tr>';
  189: 	    delete($codes{$code});
  190: 	}
  191: 	$to_print.='</table>';
  192: 	if ($print) { $r->print($to_print); }
  193:     }
  194:     $r->print('</form>');
  195: } 
  196: 
  197: 1;
  198: __END__

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