File:  [LON-CAPA] / loncom / interface / spreadsheet / classcalc.pm
Revision 1.28: download - view: text, annotated - select for diffs
Fri Aug 18 15:15:39 2006 UTC (18 years, 3 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_7_X, 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_X, version_2_5_99_1, version_2_5_99_0, version_2_5_2, version_2_5_1, version_2_5_0, version_2_4_X, version_2_4_99_0, version_2_4_2, version_2_4_1, version_2_4_0, version_2_3_X, version_2_3_99_0, version_2_3_2, version_2_3_1, version_2_3_0, version_2_2_X, version_2_2_99_1, version_2_2_99_0, version_2_2_2, version_2_2_1, version_2_2_0, HEAD
Bug 4954.  Filter title changed from "Enrollment Status" to "Access Status".  Access Status selections in lonhtmlcommon set to:
Currently Has Access
Will Have Future Access
Previously Had Access
Any Access Status
See comment appended to bug 4954 for more information.
Documentation updated to include ability to selectively display students with future access.

    1: #
    2: # $Id: classcalc.pm,v 1.28 2006/08/18 15:15:39 raeburn Exp $
    3: #
    4: # Copyright Michigan State University Board of Trustees
    5: #
    6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    7: #
    8: # LON-CAPA is free software; you can redistribute it and/or modify
    9: # it under the terms of the GNU General Public License as published by
   10: # the Free Software Foundation; either version 2 of the License, or
   11: # (at your option) any later version.
   12: #
   13: # LON-CAPA is distributed in the hope that it will be useful,
   14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   16: # GNU General Public License for more details.
   17: #
   18: # You should have received a copy of the GNU General Public License
   19: # along with LON-CAPA; if not, write to the Free Software
   20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   21: #
   22: # /home/httpd/html/adm/gpl.txt
   23: #
   24: # http://www.lon-capa.org/
   25: #
   26: # The LearningOnline Network with CAPA
   27: # Spreadsheet/Grades Display Handler
   28: #
   29: # POD required stuff:
   30: 
   31: =head1 NAME
   32: 
   33: classcalc
   34: 
   35: =head1 SYNOPSIS
   36: 
   37: =head1 DESCRIPTION
   38: 
   39: =over 4
   40: 
   41: =cut
   42: 
   43: ###################################################
   44: ###                 CourseSheet                 ###
   45: ###################################################
   46: package Apache::classcalc;
   47: 
   48: use strict;
   49: use warnings FATAL=>'all';
   50: no warnings 'uninitialized';
   51: use Apache::Constants qw(:common :http);
   52: use Apache::loncoursedata();
   53: use Apache::lonhtmlcommon();
   54: use Apache::Spreadsheet;
   55: use Apache::studentcalc;
   56: use Apache::lonstatistics();
   57: use HTML::Entities();
   58: use Spreadsheet::WriteExcel;
   59: use Apache::lonnet;
   60: use Time::HiRes;
   61: use Apache::lonlocal;
   62: 
   63: @Apache::classcalc::ISA = ('Apache::Spreadsheet');
   64: 
   65: ##
   66: ## Package variable
   67: ##
   68: 
   69: my @Students;
   70: 
   71: sub initialize {
   72:     &Apache::lonstatistics::clear_classlist_variables();
   73:     @Students = &Apache::lonstatistics::get_students();
   74:     return;
   75: }
   76: 
   77: sub clear_package {
   78:     undef(@Students);
   79:     &Apache::studentcalc::clear_package();
   80: }
   81: 
   82: sub html_header {
   83:     my $self = shift;
   84:     my ($toprow,$bottomrow);
   85:     &Apache::lonstatistics::clear_classlist_variables();
   86:     foreach (['Sections',&Apache::lonstatistics::SectionSelect('Section','multiple',3)],
   87:              ['Groups',&Apache::lonstatistics::GroupSelect('Group','multiple',3)], 
   88:              ['Access Status',&Apache::lonhtmlcommon::StatusOptions(undef,undef,3)],
   89:              ['Output Format',$self->output_selector()]) {
   90:         my ($name,$selector) = @{$_};
   91:         $toprow .= '<th align="center"><b>'.&mt($name).'</b></th>';
   92:         $bottomrow .= '<td>'.$selector.'</td>';
   93:     }
   94:     my $status .= '<nobr>'.&mt('Status: [_1]',
   95:                             '<input type="text" '.
   96:                             'name="spreadsheet_status" size="60" value="" />'
   97:                             ).'</nobr>';
   98: 
   99:     return "<p>\n<table>\n".
  100:         "<tr>".$toprow."</tr>\n".
  101:         "<tr>".$bottomrow."</tr>\n".
  102:         "</table>\n".$status."\n".
  103:         "</p>";
  104: }
  105: 
  106: sub get_title {
  107:     my $self = shift;
  108:     # Section info should be included
  109:     my @title = ($self->{'coursedesc'}, &Apache::lonlocal::locallocaltime(time) );
  110:     return @title;
  111: }
  112: 
  113: sub get_html_title {
  114:     my $self = shift;
  115:     my ($classcalc_title,$time) = $self->get_title();
  116:     my $title = '<h1>'.$classcalc_title."</h1>\n".'<h3>'.$time."</h3>\n";
  117:     return $title;
  118: }
  119: 
  120: sub parent_link {
  121:     return '';
  122: }
  123: 
  124: sub outsheet_html {
  125:     my $self = shift;
  126:     my ($r) = @_;
  127:     ####################################
  128:     # Report any calculation errors    #
  129:     ####################################
  130:     $r->print($self->html_report_error());
  131:     ###################################
  132:     # Determine table structure
  133:     ###################################
  134:     my $importcolor = '#88FF88';
  135:     my $exportcolor = '#BBBBFF';
  136:     my $num_uneditable = 26;
  137:     my $num_left = 52-$num_uneditable;
  138:     #
  139:     my %header=&Apache::lonlocal::texthash(
  140:                                            'course'       => 'Course',
  141:                                            'import'       => 'Import',
  142:                                            'calculations' => 'Calculations',
  143:                                            'student'      => 'Student',
  144:                                            'status'       => 'Status',
  145:                                            'username'     => 'Username',
  146:                                            'domain'       => 'Domain',
  147:                                            'section'      => 'Section',
  148:                                            'groups'       => 'Groups',
  149:                                            'row'          => 'Row',
  150:                                            );
  151:     my $tableheader =<<"END";
  152: <p>
  153: <table border="2">
  154: <tr>
  155:   <th colspan="2" rowspan="2"><font size="+2">$header{'course'}</font></th>
  156:   <td bgcolor="$importcolor" colspan="$num_uneditable">
  157:       <b><font size="+1">$header{'import'}</font></b></td>
  158:   <td colspan="$num_left">
  159:       <b><font size="+1">$header{'calculations'}</font></b></td>
  160: </tr><tr>
  161: END
  162:     my $label_num = 0;
  163:     foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
  164:         if ($label_num<$num_uneditable) { 
  165:             $tableheader.='<th bgcolor="'.$importcolor.'">';
  166:         } else {
  167:             $tableheader.='<th>';
  168:         }
  169:         $tableheader.="<b><font size=+1>$_</font></b></th>";
  170:         $label_num++;
  171:     }
  172:     $tableheader.="</tr>\n";
  173:     #
  174:     $r->print($tableheader);
  175:     #
  176:     # Print out template row
  177:     $r->print('<tr><td>'.&mt('Template').'</td><td>&nbsp;</td>'.
  178: 	      $self->html_template_row($num_uneditable,$importcolor).
  179:               "</tr>\n");
  180:     #
  181:     # Print out summary/export row
  182:     $r->print('<tr><td>'.&mt('Summary').'</td><td>0</td>'.
  183: 	      $self->html_export_row($exportcolor)."</tr>\n");
  184:     #
  185:     # Prepare to output rows
  186:     $tableheader =<<"END";
  187: </p><p>
  188: <table border="2">
  189: <tr><th>$header{'row'}</th>
  190:   <th>$header{'student'}</th>
  191:   <th>$header{'username'}</th>
  192:   <th>$header{'domain'}</th>
  193:   <th>$header{'section'}</th>
  194:   <th>$header{'groups'}</th>
  195:   <th>$header{'status'}</th>
  196: END
  197:     foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
  198: 	if ($label_num<$num_uneditable) { 
  199:             $tableheader.='<th bgcolor="'.$importcolor.'">';
  200:         } else {
  201:             $tableheader.='<th>';
  202:         }
  203:         $tableheader.="<b><font size=+1>$_</font></b></th>";
  204:     }
  205:     #
  206:     my $num_output = 0;
  207:     foreach my $student (@Students) {
  208: 	if ($num_output++ % 50 == 0) {
  209: 	    $r->print("</table>\n".$tableheader);
  210: 	}
  211: 	my $rownum = $self->get_row_number_from_key
  212: 	    ($student->{'username'}.':'.$student->{'domain'});
  213:         my $link = '<a href="/adm/studentcalc?sname='.$student->{'username'}.
  214:             '&sdomain='.$student->{'domain'}.'">';
  215:         $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
  216: 	$r->print('<tr>'.'<td>'.$rownum.'</td>'.
  217: 		  '<td>'.$student->{'fullname'}.'</td>'.
  218: 		  '<td>'.$link.$student->{'username'}.'</a></td>'.
  219: 		  '<td>'.$student->{'domain'}  .'</td>'.
  220: 		  '<td>'.$student->{'section'} .'</td>'.
  221:                   '<td>'.$student->{'groups'} .'</td>'.
  222: 		  '<td>'.$student->{'status'}  .'</td>'.
  223: 		  $self->html_row($num_uneditable,$rownum,$exportcolor,
  224:                                   $importcolor).
  225:                   "</tr>\n");
  226:     }
  227:     $r->print("</table></p>\n");
  228:     return;
  229: }
  230: 
  231: sub excel_rows {
  232:     # writes the meat of the spreadsheet to an excel worksheet.  Called
  233:     # by Spreadsheet::outsheet_excel;
  234:     my $self = shift;
  235:     my ($connection,$worksheet,$cols_output,$rows_output,$format) = @_;
  236:     #
  237:     # Write a header row
  238:     $cols_output = 0;
  239:     foreach my $value ('Fullname','Username','Domain','Section','Group','Status','ID') {
  240:         $worksheet->write($rows_output,$cols_output++,&mt($value),$format->{'h4'});
  241:     }
  242:     $rows_output++;    
  243:     #
  244:     # Write each students row
  245:     foreach my $student (@Students) {
  246:         $cols_output = 0;
  247: 	my $rownum = $self->get_row_number_from_key
  248: 	    ($student->{'username'}.':'.$student->{'domain'});
  249:         $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
  250:         my @studentdata = ($student->{'fullname'},
  251:                            $student->{'username'},
  252:                            $student->{'domain'},
  253:                            $student->{'section'},
  254:                            $student->{'groups'},
  255:                            $student->{'status'},
  256:                            $student->{'id'});
  257:         $self->excel_output_row($worksheet,$rownum,$rows_output++,
  258:                                 @studentdata);
  259:     }
  260:     return;
  261: }
  262: 
  263: sub csv_rows {
  264:     # writes the meat of the spreadsheet to an excel worksheet.  Called
  265:     # by Spreadsheet::outsheet_excel;
  266:     my $self = shift;
  267:     my ($connection,$filehandle) = @_;
  268:     #
  269:     # Write a header row
  270:     $self->csv_output_row($filehandle,undef,
  271:                    (&mt('Fullname'),&mt('Username'),&mt('Domain'),&mt('Section'),&mt('Group'),&mt('Status'),&mt('ID')));
  272:     #
  273:     # Write each students row
  274:     foreach my $student (@Students) {
  275: 	my $rownum = $self->get_row_number_from_key
  276: 	    ($student->{'username'}.':'.$student->{'domain'});
  277:         $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
  278:         my @studentdata = ($student->{'fullname'},
  279:                            $student->{'username'},
  280:                            $student->{'domain'},
  281:                            $student->{'section'},
  282:                            $student->{'groups'},
  283:                            $student->{'status'},
  284:                            $student->{'id'});
  285:         $self->csv_output_row($filehandle,$rownum,@studentdata);
  286:     }
  287:     return;
  288: }
  289: 
  290: sub output_options {
  291:     my $self = shift();
  292:     return  ({value       => 'htmlclasslist',
  293:               description => 'Student Sheet Links'},
  294:              {value       => 'source',
  295:               description => 'Show Source'},
  296:              {value       => 'html',
  297:               description => 'HTML'},
  298:              {value       => 'excel',
  299:               description => 'Excel'},
  300:              {value       => 'csv',
  301:               description => 'Comma Separated Values'},
  302: #             {value       => 'xml',
  303: #              description => 'XML'},
  304:              );
  305: }
  306: 
  307: sub outsheet_recursive_excel {
  308:     my $self = shift;
  309:     my ($r) = @_;
  310: }
  311: 
  312: sub outsheet_htmlclasslist {
  313:     my $self = shift;
  314:     my ($r) = @_;
  315:     #
  316:     # Determine if we should output expire caches links...
  317:     my $show_expire_link = 0;
  318:     if (exists($env{'user.role.dc./'.$env{'request.role.domain'}.'/'})){
  319:         $show_expire_link = 1;
  320:     }
  321:     #
  322:     if ($show_expire_link) {
  323:         $r->print('<a href="/adm/classcalc?output_format=htmlclasslist&'.
  324:                   'recalc=ilovewastingtime&not_first_run=1">'.
  325:                   &mt('Expire all student spreadsheets').'</a>'.$/);
  326:     }
  327:     #
  328:     $r->print('<h3>'.
  329:               &mt('Click on a student to be taken to their spreadsheet').
  330:               '</h3>');
  331:     #
  332:     my %header=&Apache::lonlocal::texthash(
  333:                                            'student'      => 'Student',
  334:                                            'status'       => 'Status',
  335:                                            'username'     => 'Username',
  336:                                            'domain'       => 'Domain',
  337:                                            'section'      => 'Section',
  338:                                            'groups'       => 'Groups',
  339:                                            );
  340:     #
  341:     # Prepare to output rows
  342:     my $tableheader =<<"END";
  343: </p><p>
  344: <table border="2">
  345: <tr>
  346:   <th></th>
  347:   <th>$header{'student'}</th>
  348:   <th>$header{'username'}</th>
  349:   <th>$header{'domain'}</th>
  350:   <th>$header{'section'}</th>
  351:   <th>$header{'groups'}</th>
  352:   <th>$header{'status'}</th>
  353: END
  354:     if ($show_expire_link) {
  355:         $tableheader.= '<th>&nbsp;</th>';
  356:     }
  357:     $tableheader.= "</tr>\n";
  358:     #
  359:     my $num_output = 0;
  360:     foreach my $student (@Students) {
  361: 	if ($num_output++ % 50 == 0) {
  362: 	    $r->print("</table>\n".$tableheader);
  363: 	}
  364:         my $link = '<a href="/adm/studentcalc?sname='.$student->{'username'}.
  365:             '&sdomain='.$student->{'domain'}.'">';
  366:         $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
  367: 	$r->print('<tr>'.
  368:                   '<td>'.$num_output.'</td>'.
  369: 		  '<td>'.$link.$student->{'fullname'}.'</a></td>'.
  370: 		  '<td>'.$link.$student->{'username'}.'</a></td>'.
  371: 		  '<td>'.$student->{'domain'}  .'</td>'.
  372: 		  '<td>'.$student->{'section'} .'</td>'.
  373:                   '<td>'.$student->{'groups'} .'</td>'.
  374: 		  '<td>'.$student->{'status'}  .'</td>');
  375:         if ($show_expire_link) {
  376:             $r->print('<td>'.
  377:                       '<a href="/adm/classcalc?recalc=student:'.
  378:                       $student->{'username'}.':'.$student->{'domain'}.'&'.
  379:                       'output_format=htmlclasslist&'.
  380:                       'not_first_run=1'.'">Expire Record</a>'.$/);
  381:         }
  382:         $r->print("</tr>\n");
  383:     }
  384:     $r->print("</table></p>\n");
  385:     return;
  386: }
  387: 
  388: sub update_status {
  389:     my ($r,$message) = @_;
  390:     $r->print('<script>'.
  391:               'window.document.sheet.spreadsheet_status.value="'.
  392:               $message.
  393:               '";</script>');
  394:     $r->rflush();
  395:     return;
  396: }
  397: 
  398: sub compute {
  399:     my $self = shift;
  400:     my ($r) = @_;
  401:     my $connection = $r->connection();
  402:     if ($connection->aborted()) { $self->cleanup(); return; }
  403:     $self->initialize_safe_space();
  404:     my %c = $self->constants();
  405:     my %f = $self->formulas();
  406:     &update_status($r,'Initializing Course Structure');
  407:     &Apache::studentcalc::initialize_package();
  408:     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
  409:         ($r,&mt('Spreadsheet Computation Status'),
  410:          &mt('Spreadsheet Computation'), scalar(@Students),'inline',undef,
  411:          'sheet','spreadsheet_status');
  412:     &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
  413:                                           &mt('Processing first student'));
  414:     foreach my $student (@Students) {
  415:         if ($connection->aborted()) { $self->cleanup(); return; }
  416:         my $sname = $student->{'username'}.':'.$student->{'domain'};
  417: 	my $studentsheet = Apache::studentcalc->new
  418: 	    ($student->{'username'},$student->{'domain'},undef,undef,
  419: 	     $student->{'section'},$student->{'groupref'} );
  420:         if ($connection->aborted()) { $self->cleanup(); return; }
  421: 	my @exportdata = $studentsheet->export_data($r);
  422:         if ($studentsheet->badcalc()) {
  423:             $self->set_calcerror($sname.' : '.
  424:                                  $studentsheet->calcerror());
  425:         }
  426:         if ($connection->aborted()) { $self->cleanup(); return; }
  427: 	my $rownum = $self->get_row_number_from_key($sname);
  428:         $f{'A'.$rownum} = $sname;
  429:         $self->{'row_source'}->{$rownum} = $sname;
  430:         $c{'A'.$rownum} = shift(@exportdata);
  431: 	foreach (split(//,'BCDEFGHIJKLMNOPQRSTUVWXYZ')) {
  432:             my $cell = $_.$rownum;
  433:             my $data = shift(@exportdata);
  434:             if (defined($data)) {
  435:                 $f{$cell} = 'import';
  436:                 $c{$cell} = $data;
  437:             }
  438: 	}
  439:         &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
  440:                                                  'last student');
  441:     }
  442:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
  443:     &update_status($r,'Done computing student sheets');
  444:     $r->rflush();
  445:     $self->constants(\%c);
  446:     $self->formulas(\%f);
  447:     $self->calcsheet();
  448:     $self->save() if ($self->need_to_save());
  449:     &update_status($r,'Done!');
  450: }
  451: 
  452: 1;
  453: 
  454: __END__

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