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Up to [LON-CAPA] / loncom / interface / statistics

- BUG#5228 - show all foils in survey results, evne unpicked ones

    1: # The LearningOnline Network with CAPA
    2: #
    3: # $Id: lonsurveyreports.pm,v 1.15 2007/04/03 20:10:41 albertel Exp $
    4: #
    5: # Copyright Michigan State University Board of Trustees
    6: #
    7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    8: #
    9: # LON-CAPA is free software; you can redistribute it and/or modify
   10: # it under the terms of the GNU General Public License as published by
   11: # the Free Software Foundation; either version 2 of the License, or
   12: # (at your option) any later version.
   13: #
   14: # LON-CAPA is distributed in the hope that it will be useful,
   15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   17: # GNU General Public License for more details.
   18: #
   19: # You should have received a copy of the GNU General Public License
   20: # along with LON-CAPA; if not, write to the Free Software
   21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   22: #
   23: # /home/httpd/html/adm/gpl.txt
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: package Apache::lonsurveyreports;
   28: 
   29: use strict;
   30: use Apache::lonnet;
   31: use Apache::loncommon();
   32: use Apache::lonhtmlcommon();
   33: use Apache::loncoursedata();
   34: use Apache::lonstatistics;
   35: use Apache::lonlocal;
   36: use Apache::lonstathelpers;
   37: use Spreadsheet::WriteExcel;
   38: use HTML::Entities();
   39: use Time::Local();
   40: use lib '/home/httpd/lib/perl/';
   41: use LONCAPA;
   42:  
   43: 
   44: my @SubmitButtons = (
   45:                      { name => 'break'},
   46:                      { name => 'PrevProblem',
   47:                        text => 'Previous Survey' },
   48:                      { name => 'NextProblem',
   49:                        text => 'Next Survey' },
   50:                      { name => 'SelectAnother',
   51:                        text => 'Choose a different Survey' },
   52:                      { name => 'break'},
   53:                      { name => 'Generate',
   54:                        text => 'Generate Report'},
   55:                      );
   56: 
   57: sub BuildSurveyReportsPage {
   58:     my ($r,$c)=@_;
   59:     #
   60:     my %Saveable_Parameters = ('Status' => 'scalar',
   61:                                'Section' => 'array',
   62:                                'NumPlots' => 'scalar',
   63:                                );
   64:     &Apache::loncommon::store_course_settings('survey_reports',
   65:                                               \%Saveable_Parameters);
   66:     &Apache::loncommon::restore_course_settings('survey_resports',
   67:                                                 \%Saveable_Parameters);
   68:     #
   69:     &Apache::lonstatistics::PrepareClasslist();
   70:     #
   71:     $r->print(&CreateInterface());
   72:     #
   73:     my @Students = @Apache::lonstatistics::Students;
   74:     #
   75:     if (@Students < 1) {
   76:         $r->print('<h2>There are no students in the sections selected</h2>');
   77:     }
   78:     #
   79:     my @CacheButtonHTML = 
   80:         &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status');
   81:     $r->rflush();
   82:     #
   83:     if (exists($env{'form.problemchoice'}) && 
   84:         ! exists($env{'form.SelectAnother'})) {
   85:         $r->print('&nbsp;'x3);
   86:         foreach my $button (@SubmitButtons) {
   87:             if ($button->{'name'} eq 'break') {
   88:                 $r->print("<br />\n");
   89:             } else {
   90:                 $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
   91:                           'value="'.&mt($button->{'text'}).'" />');
   92:                 $r->print('&nbsp;'x5);
   93:             }
   94:         }
   95:         foreach my $html (@CacheButtonHTML) {
   96:             $r->print($html.('&nbsp;'x5));
   97:         }
   98:         #
   99:         $r->print('<hr />');
  100:         $r->print('<h4>'.
  101:                   &Apache::lonlocal::locallocaltime(time).','.
  102:                   &Apache::lonstatistics::section_and_enrollment_description().
  103:                   '</h4>');
  104:         $r->rflush();
  105:         #
  106:         # Determine which problem we are to analyze
  107:         my $current_problem = &Apache::lonstathelpers::get_target_from_id
  108:             ($env{'form.problemchoice'});
  109:         #
  110:         my ($navmap,$prev,$curr,$next) = 
  111:             &Apache::lonstathelpers::get_prev_curr_next($current_problem,
  112:                                                         '.',
  113:                                                         'part_survey',
  114:                                                         );
  115:         if (exists($env{'form.PrevProblem'}) && defined($prev)) {
  116:             $current_problem = $prev;
  117:         } elsif (exists($env{'form.NextProblem'}) && defined($next)) {
  118:             $current_problem = $next;
  119:         } else {
  120:             $current_problem = $curr;
  121:         }
  122:         #
  123:         # Store the current problem choice and send it out in the form
  124:         $env{'form.problemchoice'} = 
  125:             &Apache::lonstathelpers::make_target_id($current_problem);
  126:         $r->print('<input type="hidden" name="problemchoice" value="'.
  127:                   $env{'form.problemchoice'}.'" />');
  128:         #
  129:         if (! defined($current_problem->{'resource'})) {
  130:             $r->print('resource is undefined');
  131:         } else {
  132:             my $resource = $current_problem->{'resource'};
  133:             $r->print('<h1>'.$resource->compTitle.'</h1>');
  134:             $r->print('<h3>'.$resource->src.'</h3>');
  135:             if ($env{'form.renderprob'} eq 'true') {
  136:                 $r->print(&Apache::lonstathelpers::render_resource($resource));
  137:             }
  138:             $r->rflush();
  139:             my %Data = &Apache::lonstathelpers::get_problem_data
  140:                 ($resource->src);
  141:             &compile_student_answers($r,$current_problem,\%Data,\@Students);
  142:             if ($env{'form.output'} eq 'HTML' || 
  143:                 ! defined($env{'form.output'})) {
  144:                 &make_HTML_report($r,$current_problem,\%Data,\@Students);
  145:             } elsif ($env{'form.output'} eq 'Excel') {
  146:                 &make_Excel_report($r,$current_problem,\%Data,\@Students);
  147:             } elsif ($env{'form.output'} eq 'TXT') {
  148:                 &make_text_report($r,$current_problem,\%Data,\@Students);
  149:             }
  150:         }
  151:         $r->print('<hr />');
  152:     } else {
  153:         $r->print('<input type="submit" name="Generate" value="'.
  154:                   &mt('Generate Survey Report').'" />');
  155:         $r->print('&nbsp;'x5);
  156:         $r->print('<h3>'.&mt('Please select a Survey to analyze').'</h3>');
  157:         $r->print(&SurveyProblemSelector());
  158:     }
  159: }
  160: 
  161: ##########################################################
  162: ##########################################################
  163: ##
  164: ## SurveyProblemSelector
  165: ##
  166: ##########################################################
  167: ##########################################################
  168: sub SurveyProblemSelector {
  169:     my $Str = '';
  170:     my @SurveyProblems;
  171:     my ($navmap,@sequences) = 
  172:         &Apache::lonstatistics::selected_sequences_with_assessments('all');
  173:     foreach my $seq (@sequences) {
  174:         my @resources = &Apache::lonstathelpers::get_resources($navmap,$seq);
  175:         foreach my $res (@resources) {
  176:             foreach my $part (@{$res->parts}) {
  177:                 if ($res->is_survey($part)) {
  178:                     push(@SurveyProblems,{res=>$res,seq=>$seq,part=>$part});
  179:                     last;
  180:                 }
  181:             }
  182:         }
  183:     }
  184:     if (! scalar(@SurveyProblems)) {
  185:         $Str = '<h1>'.
  186:             &mt('There are no survey problems in this course').
  187:             '</h1>'.$/;
  188:         return $Str;
  189:     }
  190:     $Str .= '<table>'.$/;
  191:     $Str .= '<tr>'.'<td></td>'.
  192:         '<th>'.&mt('Survey').'</th>'.
  193:         '</tr>'.$/;
  194:     my $id;
  195:     foreach my $problem (@SurveyProblems) {
  196:         $id++;
  197:         my $value = &Apache::lonstathelpers::make_target_id
  198:             ({symb=>$problem->{'res'}->symb,
  199:               part=>$problem->{'part'},
  200:               respid=>undef,
  201:               resptype=>undef});
  202:         my $checked = '';
  203:         if ($env{'form.problemchoice'} eq $value) {
  204:             $checked = 'checked ';
  205:         }
  206:         my $link = $problem->{'res'}->src.
  207:             '?symb='.&escape($problem->{'res'}->symb);
  208:         $Str .= '<tr><td>'.
  209:             '<input type="radio" name="problemchoice" id="'.$id.'" '.
  210:                    'value="'.$value.'" '.$checked.'/>'.'</td>'.
  211:             '<td><nobr>'.
  212:             '<label for="'.$id.'">'.$problem->{'res'}->compTitle.'('.$problem->{'seq'}->compTitle.')'.'</label>'.
  213:             ('&nbsp;'x2).
  214:             qq{<a target="preview" href="$link">view</a>}.'</td></tr>'.$/;
  215:     }
  216:     $Str .= '</table>';
  217:     return $Str;
  218: }
  219: 
  220: #########################################################
  221: #########################################################
  222: ##
  223: ## Compile Student Answers
  224: ##
  225: #########################################################
  226: #########################################################
  227: sub compile_student_answers {
  228:     my ($r,$problem,$ProblemData,$Students) = @_;
  229:     my $resource = $problem->{'resource'};
  230:     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
  231:         ($r,'Processing Student Submissions',
  232:          'Processing Student Submissions', 
  233:          scalar(@$Students),'inline',undef,'Statistics','stats_status');
  234:     foreach my $student (@$Students) {
  235:         foreach my $partid (@{$resource->parts}) {
  236:             my @response_ids   = $resource->responseIds($partid);
  237:             my @response_types = $resource->responseType($partid);
  238:             for (my $i=0;$i<=$#response_ids;$i++) {
  239:                 my $respid = $response_ids[$i];
  240:                 my $resptype = $response_types[$i];
  241:                 my $results = 
  242:                     &Apache::loncoursedata::get_response_data_by_student
  243:                     ($student,$resource->symb,$respid);
  244:                 next if (! defined($results) || ref($results) ne 'ARRAY' || 
  245:                          ref($results->[0]) ne 'ARRAY');
  246:                 my $student_response = 
  247:                     $results->[0]->[&Apache::loncoursedata::RDs_submission()];
  248:                 $problem->{'responsedata'}->{$partid}->{$respid}->{'_count'}++;
  249:                 my $data = $problem->{'responsedata'}->{$partid}->{$respid};
  250:                 if ($resptype =~ /^(option|match)$/) {
  251:                     my @responses = split('&',$student_response);
  252:                     foreach my $response (@responses) {
  253:                         my ($foilid,$option) = 
  254:                             map { 
  255:                                 &unescape($_); 
  256:                             } split('=',$response);
  257:                         $data->{'foil_count'}->{$foilid}++;
  258:                         $data->{'foil_responses'}->{$foilid}->{$option}++;
  259:                     }
  260:                 } elsif ($resptype =~ /^(radiobutton)$/) {
  261:                     my ($foil,$value) = map { &unescape($_); } split('=',$student_response);
  262:                     $value += 1;  # explicitly increment it...
  263:                     $data->{'foil_responses'}->{$foil}++;
  264:                     $data->{'foil_values'}->{$value}++;
  265:                     if (! exists($data->{'map'}->{$value})) {
  266:                         $data->{'map'}->{$value} = $foil;
  267:                         $data->{'map_fv'}->{$foil} = $value;
  268:                     }
  269:                 } else {
  270:                     # Variable stuff (essays, raw numbers, strings) go here
  271:                     push(@{$data->{'responses'}},$student_response);
  272:                 }
  273:             }
  274:         }
  275:         &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
  276:                                                  'last student');
  277:     }
  278:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
  279:     return;
  280: }
  281: 
  282: 
  283: #########################################################
  284: #########################################################
  285: ##
  286: ## make_text_report
  287: ##
  288: #########################################################
  289: #########################################################
  290: sub make_text_report {
  291:     my ($r,$problem,$problem_data,$students) = @_;
  292:     my ($file,$filename) = &Apache::loncommon::create_text_file($r,'txt');
  293:     if (! defined($file)) { return '';}
  294:     $r->print('<script>'.
  295:               'window.document.Statistics.stats_status.value="'.
  296:               &mt('Building text document.').
  297:               '";</script>');
  298:     my $resource = $problem->{'resource'};
  299:     print $file $resource->compTitle.$/;
  300:     print $file &Apache::lonstatistics::section_and_enrollment_description().
  301:         ' '.&mt('Generated on [_1]',&Apache::lonlocal::locallocaltime(time)).
  302:         $/;
  303:     my $something_has_been_output = 0;
  304:     foreach my $partid (@{$resource->parts}) {
  305:         my @response_ids   = $resource->responseIds($partid);
  306:         my @response_types = $resource->responseType($partid);
  307:         for (my $i=0;$i<=$#response_ids;$i++) {
  308:             my $respid   = $response_ids[$i];
  309:             my $resptype = $response_types[$i];
  310:             my $data = $problem->{'responsedata'}->{$partid}->{$respid};
  311:             if (exists($data->{'responses'}) && 
  312:                 ref($data->{'responses'}) eq 'ARRAY') {
  313:                 # Essay type response
  314:                 print $file ('-'x40).$/;
  315:                 print $file 
  316:                     $resource->part_display($partid).', '.$respid.':'.$resptype.$/;
  317:                 foreach my $submission (@{$data->{'responses'}}) {
  318:                     print $file ('-'x20).$/;
  319:                     $submission =~ s/(\\r\\n|\\n)/\n/g;
  320:                     $submission =~ s/\\(\'|\"|\`)/$1/g;
  321:                     print $file $submission.$/.$/;
  322:                     $something_has_been_output=1;
  323:                 }
  324:             }
  325:         }
  326:     }
  327:     close($file);
  328:     if($something_has_been_output) {
  329:         $r->print('<p><a href="'.$filename.'">'.
  330:                   &mt('Your text file.').
  331:                   '</a></p>'."\n");
  332:         $r->print('<script>'.
  333:                   'window.document.Statistics.stats_status.value="'.
  334:                &mt('Done compiling text file.  See link below to download.').
  335:                   '";</script>');
  336:     } else {
  337:         $r->print('<h2>'.
  338:                   &mt("There is no essay or string response data to output for this survey.").'</h2>');
  339:     }
  340:     $r->rflush();
  341:     return;
  342: }
  343: 
  344: 
  345: #########################################################
  346: #########################################################
  347: ##
  348: ## make_Excel_report
  349: ##
  350: #########################################################
  351: #########################################################
  352: sub make_Excel_report {
  353:     my ($r,$problem,$problem_data,$students) = @_;
  354:     my ($workbook,$filename,$format) = &Apache::loncommon::create_workbook($r);
  355:     if (! defined($workbook)) { return '';}
  356:     $r->print('<script>'.
  357:               'window.document.Statistics.stats_status.value="'.
  358:               &mt('Building spreadsheet.').
  359:               '";</script>');
  360:     my $worksheet  = $workbook->addworksheet('Survey Reports');
  361:     #
  362:     my $rows_output=0;
  363:     $worksheet->write($rows_output++,0,
  364:                     $env{'course.'.$env{'request.course.id'}.'.description'},
  365:                       $format->{'h1'});
  366:     $rows_output++;
  367:     #
  368:     my $resource = $problem->{'resource'};
  369:     $worksheet->write($rows_output++,0,$resource->compTitle,$format->{'h2'});
  370:     foreach my $partid (@{$resource->parts}) {
  371:         my @response_ids   = $resource->responseIds($partid);
  372:         my @response_types = $resource->responseType($partid);
  373:         for (my $i=0;$i<=$#response_ids;$i++) {
  374:             my $respid   = $response_ids[$i];
  375:             my $resptype = $response_types[$i];
  376:             my $data = $problem->{'responsedata'}->{$partid}->{$respid};
  377:             my $cols_output=0;
  378:             $worksheet->write($rows_output,$cols_output++,
  379:                               $resource->part_display($partid),$format->{'h3'});
  380:             $worksheet->write($rows_output,$cols_output++,
  381:                               'Response '.$respid.', '.$resptype,
  382:                               $format->{'h3'});
  383:             $rows_output++;
  384:             if (exists($data->{'responses'}) && 
  385:                 ref($data->{'responses'}) eq 'ARRAY') {
  386:                 my $warned_about_size = 0;
  387:                 foreach my $data (@{$data->{'responses'}}) {
  388:                     if (length($data) > 255 && ! $warned_about_size) {
  389:                         $r->print('<p>'.
  390:                                   &mt('[_1]:[_2] responses to  [_3] may be too long to fit Excel spreadsheet.',
  391:                                       $resource->compTitle,
  392:                                       $resource->part_display($partid),
  393:                                       $respid).
  394:                                   '</p>');
  395:                         $r->rflush();
  396:                         $warned_about_size=1;
  397:                     }
  398:                     $worksheet->write($rows_output++,0,$data);
  399:                 }
  400:             } elsif (exists($data->{'foil_count'}) && 
  401:                      exists($data->{'foil_responses'})) {
  402:                 my $respdata = $problem_data->{$partid.'.'.$respid};
  403:                 my @rowdata = ('Foil Name','Foil Text','Option',
  404:                                'Frequency');
  405:                 $worksheet->write_row($rows_output++,0,
  406:                                       \@rowdata,$format->{'h4'});
  407:                 #
  408: 		my @foils = sort(keys(%{$respdata->{'_Foils'}}));
  409:                 foreach my $foilid (@foils) {
  410:                     my $foil_count = $data->{'foil_count'}->{$foilid};
  411:                     my $foiltext = $respdata->{'_Foils'}->{$foilid}->{'text'};
  412:                     my $foilname = $respdata->{'_Foils'}->{$foilid}->{'name'};
  413:                     $foiltext = &HTML::Entities::decode($foilname);
  414:                     my $cols_output=0;
  415:                     $worksheet->write($rows_output,$cols_output++,$foilname);
  416:                     $worksheet->write($rows_output,$cols_output++,$foiltext);  
  417:                     my $option_start_col = $cols_output;
  418:                     #
  419:                     foreach my $option (sort(@{$respdata->{'_Options'}})){
  420:                         $cols_output= $option_start_col;
  421:                         $worksheet->write($rows_output,$cols_output++,
  422:                                           $option);
  423:                         my $count=
  424:                             $data->{'foil_responses'}->{$foilid}->{$option};
  425:                         $worksheet->write($rows_output,$cols_output++,$count);
  426:                         $rows_output++;
  427:                     }
  428:                 }
  429:             } elsif (exists($data->{'_count'})      && 
  430:                      exists($data->{'foil_values'}) && 
  431:                      exists($data->{'map'})) {
  432:                 my $respdata = $problem_data->{$partid.'.'.$respid};
  433:                 my @rowdata = ('Foil Name','Foil Text','Frequency');
  434:                 $worksheet->write_row($rows_output++,0,
  435:                                       \@rowdata,$format->{'h4'});
  436: 		my @foils = sort(keys(%{$respdata->{'_Foils'}}));
  437:                 foreach my $foilid (@foils) {
  438:                     undef(@rowdata);
  439:                     my $value = $data->{'map_fv'}->{$foilid};
  440:                     push(@rowdata,$respdata->{'_Foils'}->{$foilid}->{'name'});
  441:                     push(@rowdata,$respdata->{'_Foils'}->{$foilid}->{'text'});
  442:                     push(@rowdata,$data->{'foil_values'}->{$value});
  443:                     $worksheet->write_row($rows_output++,0,\@rowdata);
  444:                 }
  445:             }  
  446:             $rows_output++;
  447:         }    #response ids
  448:     }    # partids
  449:     $workbook->close();
  450:     $r->print('<p><a href="'.$filename.'">'.
  451:               &mt('Your Excel spreadsheet.').
  452:               '</a></p>'."\n");
  453:     $r->print('<script>'.
  454:               'window.document.Statistics.stats_status.value="'.
  455:               &mt('Done compiling spreadsheet.  See link below to download.').
  456:               '";</script>');
  457:     $r->rflush();
  458:     return;
  459: }
  460: 
  461: #########################################################
  462: #########################################################
  463: ##
  464: ## make_HTML_report
  465: ##
  466: #########################################################
  467: #########################################################
  468: sub make_HTML_report {
  469:     my ($r,$problem,$ProblemData,$Students) = @_;
  470:     my $resource = $problem->{'resource'};
  471:     foreach my $partid (@{$resource->parts}) {
  472:         my @response_ids   = $resource->responseIds($partid);
  473:         my @response_types = $resource->responseType($partid);
  474:         for (my $i=0;$i<=$#response_ids;$i++) {
  475:             my $Str = '<table>'.$/;
  476:             my $respid   = $response_ids[$i];
  477:             my $resptype = $response_types[$i];
  478:             my $data = $problem->{'responsedata'}->{$partid}->{$respid};
  479:             if (! defined($data) || ref($data) ne 'HASH') {
  480:                 next;
  481:             }
  482:             # Debugging code
  483: #            $Str .= '<tr>'.
  484: #                '<td>'.$partid.'</td>'.
  485: #                '<td>'.$respid.'</td>'.
  486: #                '<td>'.$resptype.'</td>'.
  487: #                '</tr>'.$/;
  488:             $Str .= '<tr>'.
  489:                 '<td><b>'.&mt('Total').'</b></td>'.
  490:                 '<td>'.$data->{'_count'}.'</td>'.
  491:                 '<td>'.&mt('Part [_1], Response [_2]',
  492: 			   $resource->part_display($partid),$respid).'</td>'.
  493:                 '</tr>';
  494:             if (exists($data->{'responses'}) && 
  495:                 ref($data->{'responses'}) eq 'ARRAY') {
  496:                 &randomize_array($data->{'responses'});
  497:                 foreach my $response (@{$data->{'responses'}}) {
  498:                     $response =~ s/\\r\\n/\n/g;
  499:                     $response =~ s/\\'/'/g;
  500:                     $response =~ s/\\"/"/g;
  501:                     $Str .= '<tr>'.
  502:                         '<td colspan="3"><pre>'.
  503:                         &HTML::Entities::encode($response,'<>&').
  504:                         '</pre><hr /></td>'.
  505:                         '</tr>'.$/;
  506:                 }
  507:             } elsif (exists($data->{'foil_count'}) && 
  508:                      exists($data->{'foil_responses'})) {
  509:                 $Str.='<tr><td colspan="3">'.
  510:                     '<table><tr>';
  511:                 my $tmp = '<th>'.join('</th><th>',
  512:                                       (&mt('Foil Name'),
  513:                                        &mt('Foil Text'),
  514:                                        &mt('Option'),
  515:                                        &mt('Frequency'),
  516:                                        &mt('Percent'))).'</th></tr>';
  517: 		my @foils = sort(keys(%{$ProblemData->{$partid.'.'.$respid}->{'_Foils'}}));
  518:                 foreach my $foilid (@foils) {
  519:                     my $prob_data = $ProblemData->{$partid.'.'.$respid};
  520:                     my $foil_count = $data->{'foil_count'}->{$foilid};
  521:                     my $foiltext = $prob_data->{'_Foils'}->{$foilid}->{'text'};
  522:                     my $foilname = $prob_data->{'_Foils'}->{$foilid}->{'name'};
  523:                     my $rowspan = scalar(@{$prob_data->{'_Options'}});
  524:                     my $preamble = '<tr>'.
  525:                         '<td valign="top" rowspan="'.$rowspan.'">'.
  526:                             $foilname.'</td>'.
  527:                         '<td valign="top" rowspan="'.$rowspan.'">'.
  528:                             $foiltext.'</td>';
  529:                     foreach my $option (sort(@{$prob_data->{'_Options'}})){
  530:                         my $count = 
  531:                             $data->{'foil_responses'}->{$foilid}->{$option};
  532:                         $tmp .= $preamble.
  533:                             '<td>'.$option.'</td>'.
  534:                             '<td align="right">'.$count.'</td>'.
  535:                             '<td align="right">'.
  536:                                 sprintf('%.2f',100*$count/$foil_count).'%'.
  537:                             '</td></tr>'.$/;
  538:                         $preamble = '<tr>';
  539:                     }
  540:                 }
  541:                 $Str.=$tmp.'</table></td></tr>';
  542:             } elsif (exists($data->{'_count'})      && 
  543:                      exists($data->{'foil_values'}) && 
  544:                      exists($data->{'map'})) {
  545:                 # This is an option or radiobutton survey response
  546:                 my $total = $data->{'_count'};
  547:                 my $sum = 0;
  548:                 my $tmp;
  549: 		my @foils = sort(keys(%{$ProblemData->{$partid.'.'.$respid}
  550: 					            ->{'_Foils'}}));
  551:                 foreach my $foilid (@foils) {
  552:                     my $value = $data->{'map_fv'}->{$foilid};
  553:                     my $count = $data->{'foil_values'}->{$value};
  554:                     my $foiltext = $ProblemData->{$partid.'.'.$respid}->{'_Foils'}->{$foilid}->{'text'};
  555:                     my $foilname = $ProblemData->{$partid.'.'.$respid}->{'_Foils'}->{$foilid}->{'name'};
  556:                     $tmp .= '<tr>'.
  557:                         '<td>'.$foilname.'</td>'.
  558:                         '<td>'.$foiltext.'</td>'.
  559:                         '<td align="right">'.$count.'</td>'.
  560:                         '<td align="right">'.
  561:                             sprintf("%.2f",$count/$total*100).'%</td>'.
  562:                         '</tr>'.$/;
  563:                 }
  564:                 $Str .= '<tr>'.
  565:                     '<th>'.&mt('Foil Name').'</th>'.
  566:                     '<th>'.&mt('Text').'</th>'.
  567:                     '<th>'.&mt('Freq').'</th>'.
  568:                     '<th>'.&mt('Percent').'</th>'.
  569:                     '</tr>'.$/.
  570:                     $tmp;
  571:             }
  572:             $Str.= '</table><hr />';
  573:             $r->print($Str);
  574:             $r->rflush();
  575:         }
  576:     }
  577:     return;
  578: }
  579: 
  580: sub randomize_array {
  581:     # Fisher Yates shuffle, lifted from p 121 of "The Perl Cookbook"
  582:     my ($array) = @_;
  583:     for (my $i=scalar(@$array);--$i;) {
  584:         my $j = int(rand($i+1));
  585:         next if ($i == $j);
  586:         @$array[$i,$j]=@$array[$j,$i];
  587:     }
  588: }
  589: 
  590: #########################################################
  591: #########################################################
  592: ##
  593: ##   Generic Interface Routines
  594: ##
  595: #########################################################
  596: #########################################################
  597: sub CreateInterface {
  598:     ##
  599:     ## Environment variable initialization
  600:     my $Str = '';
  601:     my $output_selector = '<select name="output" size="5">'.$/;
  602:     if (! exists($env{'form.output'})) {
  603:         $env{'form.output'} = 'HTML';
  604:     }
  605:     foreach my $output_format ( {name=>'HTML',text=>&mt("HTML") },
  606:                                 {name=>'Excel',text=>&mt("Excel") },
  607:                                 {name=>'TXT',text=>&mt("Text (essays only)") },
  608:                                 ) {
  609:         $output_selector.='<option value="'.$output_format->{'name'}.'"';
  610:         if ($env{'form.output'} eq $output_format->{'name'}) {
  611:             $output_selector.=' selected';
  612:         }
  613:         $output_selector.= '>'.$output_format->{'text'}.'</option>'.$/;
  614:     }
  615:     $output_selector .= '</select>'.$/;
  616:     $Str .= &Apache::lonhtmlcommon::breadcrumbs('Student Submission Reports');
  617:     $Str .= '<p>';
  618:     $Str .= '<table cellspacing="5">'."\n";
  619:     $Str .= '<tr>';
  620:     $Str .= '<th>'.&mt('Sections').'</th>';
  621:     $Str .= '<th>'.&mt('Groups').'</th>';
  622:     $Str .= '<th>'.&mt('Access Status').'</th>';
  623:     $Str .= '<th>'.&mt('Output Format').'</th>';
  624:     $Str .= '<th>'.'&nbsp;'.'</th>';
  625:     $Str .= '</tr>'."\n";
  626:     #
  627:     $Str .= '<tr><td align="center">'."\n";
  628:     $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
  629:     $Str .= '</td>';
  630:     #
  631:     $Str .= '<td align="center">'."\n";
  632:     $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
  633:     $Str .= '</td>';
  634:     #
  635:     $Str .= '<td align="center">';
  636:     $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
  637:     $Str .= '</td>';
  638:     #
  639:     $Str .= '<td align="center">'.$output_selector.'</td>';
  640:     #
  641:     # Render problem checkbox
  642:     my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
  643:     if (exists($env{'form.renderprob'}) && $env{'form.renderprob'} eq 'true') {
  644:         $prob_checkbox .= 'checked ';
  645:     }
  646:     $prob_checkbox .= 'value="true" />';
  647:     $Str .= '<td align="right" valign="top">'.
  648:         '<label><b>'.
  649:         &mt('Show problem [_1]',$prob_checkbox).'</b></label><br />'.
  650:         '<label><b>'.
  651:         '</td>';
  652:     #
  653:     $Str .= '</tr>'."\n";
  654:     $Str .= '</table>'."\n";
  655:     #
  656:     $Str .= '<nobr>'.&mt('Status: [_1]',
  657:                          '<input type="text" '.
  658:                          'name="stats_status" size="60" value="" />').
  659:             '</nobr>'.'</p>';    
  660:     ##
  661:     return $Str;
  662: }
  663: 
  664: 1;
  665: 
  666: __END__