Return to lonsubmissiontimeanalysis.pm CVS log

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Bug 2989: Need more submit buttons on problem selection pages.  Problem
analysis and submission time analysis now have submit buttons after each
sequence/folder.

    1: # The LearningOnline Network with CAPA
    2: #
    3: # $Id: lonsubmissiontimeanalysis.pm,v 1.24 2005/04/19 13:59:35 matthew 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: 
   28: package Apache::lonsubmissiontimeanalysis;
   29: 
   30: use strict;
   31: use Apache::lonnet;
   32: use Apache::loncommon();
   33: use Apache::lonhtmlcommon();
   34: use Apache::loncoursedata();
   35: use Apache::lonstatistics;
   36: use Apache::lonstathelpers;
   37: use Apache::lonlocal;
   38: use HTML::Entities();
   39: use Time::Local();
   40: 
   41: my $plotcolors = ['#33ff00', 
   42:                   '#ff33cc', '#990000', '#aaaa66', '#663399', '#ff9933',
   43:                   '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
   44:                   ]; 
   45: 
   46: my @SubmitButtons = (
   47:                      { name => 'PrevProblemAnalysis',
   48:                        text => 'Previous Problem' },
   49:                      { name => 'ProblemAnalysis',
   50:                        text => 'Analyze Problem Again' },
   51:                      { name => 'NextProblemAnalysis',
   52:                        text => 'Next Problem' },
   53:                      { name => 'SelectAnother',
   54:                        text => 'Choose a different Problem' },
   55:                      );
   56: 
   57: sub BuildSubmissionTimePage {
   58:     my ($r,$c)=@_;
   59:     #
   60:     my %Saveable_Parameters = ('Status' => 'scalar',
   61:                                'Section' => 'array');
   62:     &Apache::loncommon::store_course_settings('submissiontime_analysis',
   63:                                               \%Saveable_Parameters);
   64:     &Apache::loncommon::restore_course_settings('submissiontime_analysis',
   65:                                                 \%Saveable_Parameters);
   66:     #
   67:     &Apache::lonstatistics::PrepareClasslist();    
   68:     #
   69:     $r->print(&CreateInterface());
   70:     #
   71:     my @Students = @Apache::lonstatistics::Students;
   72:     #
   73:     if (@Students < 1) {
   74:         $r->print('<h2>There are no students in the sections selected</h2>');
   75:     }
   76:     #
   77:     my @CacheButtonHTML = 
   78:         &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status');
   79:     $r->rflush();
   80:     #
   81:     if (! exists($env{'form.problemchoice'}) ||
   82:         exists($env{'form.SelectAnother'})) {
   83:         my $submit_button = '<input type="submit" name="" value="'.
   84:             &mt('Graph Problem Submission Times').'" />';
   85:         $r->print($submit_button.'&nbsp;'x5);
   86:         $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>');
   87:         $r->print(&Apache::lonstathelpers::problem_selector('.',
   88:                                                             $submit_button));
   89:     } else {
   90:         foreach my $button (@SubmitButtons) {
   91:             $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
   92:                       'value="'.&mt($button->{'text'}).'" />');
   93:             $r->print('&nbsp;'x5);
   94:         }
   95:         foreach my $html (@CacheButtonHTML) {
   96:             $r->print($html.('&nbsp;'x5));
   97:         }
   98:         $r->rflush();
   99:         #
  100:         # Determine which problem we are to analyze
  101:         my $current_problem = &Apache::lonstathelpers::get_target_from_id
  102:             ($env{'form.problemchoice'});
  103:         #
  104:         my ($navmap,$prev,$curr,$next) = 
  105:             &Apache::lonstathelpers::get_prev_curr_next($current_problem,
  106:                                                         '.',
  107:                                                         'part');
  108:         if (exists($env{'form.PrevProblemAnalysis'}) && defined($prev)) {
  109:             $current_problem = $prev;
  110:         } elsif (exists($env{'form.NextProblemAnalysis'}) && defined($next)) {
  111:             $current_problem = $next;
  112:         } else {
  113:             $current_problem = $curr;
  114:         }
  115:         #
  116:         # Store the current problem choice and send it out in the form
  117:         $env{'form.problemchoice'} = 
  118:             &Apache::lonstathelpers::make_target_id($current_problem);
  119:         $r->print('<input type="hidden" name="problemchoice" value="'.
  120:                   $env{'form.problemchoice'}.'" />');
  121:         #
  122:         $r->print('<hr />');
  123:         $r->rflush();
  124:         #
  125:         my $resource = $current_problem->{'resource'};
  126:         if (! defined($resource)) {
  127:             $r->print('resource is undefined');
  128:         } else {
  129:             $r->print('<h1>'.$resource->compTitle.'</h1>');
  130:             $r->print('<h3>'.$resource->src.'</h3>');
  131:             $r->print('<h4>'.
  132:                  &Apache::lonstatistics::section_and_enrollment_description().
  133:                       '</h4>');
  134:             $r->rflush();
  135:             $r->print(&Apache::lonstathelpers::render_resource($resource));
  136:             $r->print('<br />');
  137:             $r->rflush();
  138:             $r->print(&analyze_times($r,$resource->symb,\@Students,
  139:                                      $current_problem->{'part'}));
  140:         }
  141:         $r->print('<hr />');
  142:     }
  143: }
  144: 
  145: #########################################################
  146: #########################################################
  147: ##
  148: ##                  Time Analysis
  149: ##
  150: #########################################################
  151: #########################################################
  152: sub get_week_start {
  153:     my ($randomtime) = @_;
  154:     my ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) = 
  155:         localtime($randomtime);
  156:     $randomtime -= $wday * 86400;
  157:     ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) = 
  158:         localtime($randomtime);
  159:     my $week_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
  160:     return $week_start;
  161: }
  162: 
  163: sub analyze_times {
  164:     my ($r,$symb,$students,$part) = @_;
  165:     my $htmltable;
  166:     #
  167:     # Convenience arrays
  168:     my @FullWeekDay = (qw/Sunday Monday Tuesday Wednesday Thursday Friday
  169:                        Saturday/);
  170:     my @WeekDay = (qw/SUN MON TUE WED THU FRI SAT SUN/);
  171:     my @Month = (qw/Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec/);
  172:     #
  173:     my $html; # holds results of analysis
  174:     # Get the data
  175:     my $SubData = &Apache::loncoursedata::get_response_time_data
  176:         ([&Apache::lonstatistics::get_selected_sections()],
  177:          $Apache::lonstatistics::enrollment_status,
  178:          $symb,$part);
  179:     if (! defined($SubData) || ! ref($SubData)) {
  180:         $html.= '<h2>There is no submission data for this problem at all</h2>';
  181:         return $html;
  182:     }
  183:     my $NumSub = scalar(@{$SubData});
  184:     if (! @{$SubData}) {
  185:         $html.= '<h2>There is no submission data for this problem</h2>';
  186:         return $html;
  187:     }
  188:     # Process the data
  189:     #
  190:     my (undef,undef,undef,$mday,$month,$year,$wday,$yday,$isdst) = 
  191:         localtime(&get_time_from_row($SubData->[0]));
  192:     my $day_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
  193:     #
  194:     # Configure the bins used to store the data.
  195:     my $binsize = 3600; # seconds
  196:     my $bins_per_day = 86400/$binsize;
  197:     my $bincount = 0;
  198:     my $endtime = $day_start;
  199:     #
  200:     # Initialize loop variables
  201:     my $max;            # The sum of @Ydata
  202:     my @Ydata=(0);      # number of submissions
  203:     my @AnsData=(0);    # number of correct submissions
  204:     my @Xlabel=($WeekDay[$wday]); # Labels of itmes
  205:     my @BinEnd;                   # The end time of each bin
  206:     my $cumulative_answers = 0;   # The sum of @AnsData
  207:     my %students;       # which students have attempted the problem?
  208:     #
  209:     foreach my $row (@$SubData) {
  210:         my $subtime = &get_time_from_row($row);
  211:         while ($subtime > $endtime && $endtime < time) {
  212:             # Create a new bin
  213:             $bincount++;
  214:             $Ydata[$bincount]   = 0;
  215:             $AnsData[$bincount] = 0;
  216:             $endtime += $binsize;
  217:             push(@BinEnd,$endtime);
  218:             if ($bincount % (86400/$binsize) == 0) {
  219:                 $wday++;
  220:                 $wday %= 7;
  221:                 $Xlabel[$bincount] = $WeekDay[$wday];
  222:             } else {
  223:                 $Xlabel[$bincount] = '';
  224:             }
  225:         }
  226:         $Ydata[$bincount]++;
  227:         $max = $Ydata[$bincount] if ($max < $Ydata[$bincount]);
  228:         $AnsData[$bincount] += &successful_submission($row);
  229:         $cumulative_answers += &successful_submission($row);
  230:         $students{$row->[&Apache::loncoursedata::RT_student_id()]}++;
  231:     }
  232:     #
  233:     # Pad the data to a full day
  234:     while ($bincount % $bins_per_day != 0) {
  235:         $bincount++;
  236:         $Ydata[$bincount]=0;
  237:         $AnsData[$bincount]=0;
  238:         $endtime += $binsize;
  239:         push(@BinEnd,$endtime);
  240:         if ($bincount % (86400/$binsize) == 0) {
  241:             $wday ++;
  242:             $wday %= 7;
  243:             $Xlabel[$bincount] = $WeekDay[$wday];
  244:         } else {
  245:             $Xlabel[$bincount] = '';
  246:         }
  247:     }
  248:     my $numstudents = scalar(keys(%students));
  249:     #
  250:     # Determine a nice maximum value to use
  251:     foreach my $maximum (10,15,20,25,30,40,50,60,70,80,90,100,
  252:                           120,150,200,250,300,350,400,450,500,
  253:                           600,700,800,900,1000,1100,1200,1500,2000,
  254:                           2500,3000,4000,5000) {
  255:         if ($max < $maximum) {
  256:             $max = $maximum;
  257:             last;
  258:         }
  259:     }
  260:     #
  261:     # Build the data table
  262:     $htmltable = '<p>'.
  263:         '<table rules="groups" frame="border" '.
  264:         'summary="Student submission data">'.
  265:         '<thead>'.
  266:         '<tr>'.
  267:         '<th valign="bottom">'.&mt('Begin').'</th>'.
  268:         '<th>'.('&nbsp;'x3).'</th>'.
  269:         '<th valign="bottom">'.&mt('End').'</th>'.
  270:         '<th valign="bottom">'.&mt('Submissions (plotted)').'</th>'.
  271:         '<th>'.('&nbsp;'x3).'</th>'.
  272:         '<th valign="bottom">'.&mt('Correct Submissions (not plotted)').'</th>'.
  273:         '<th>'.('&nbsp;'x3).'</th>'.
  274:         '<th valign="bottom">'.&mt('Cumulative Correct of those attempting the problem (not plotted)').'</th>'.
  275:         '<th>'.('&nbsp;'x3).'</th>'.
  276:         '<th valign="bottom">'.&mt('Cumulative Percent Correct of those attempting the problem (not plotted)').'</th>'.
  277:         '<th>'.('&nbsp;'x3).'</th>'.
  278:         '<th valign="bottom">'.&mt('Cumulative Percent Correct of selected students (plotted)').'</th>'.
  279:         '</tr>'.
  280:         '</thead>'.
  281:         '<tbody>';
  282:     my @CumulativeCorrect=(0);
  283:     my @corr_as_percent_of_selected;
  284:     my @corr_as_percent_of_answering;
  285:     for (my $i=0;$i<=$#Ydata;$i++) {
  286:         $CumulativeCorrect[$i]=$CumulativeCorrect[-1]+$AnsData[$i];
  287:         $corr_as_percent_of_answering[$i] = 
  288:             sprintf('%3.1f',100*$CumulativeCorrect[$i]/$numstudents);
  289:         $corr_as_percent_of_selected[$i] = 
  290:             sprintf('%3.1f',100*$CumulativeCorrect[$i]/scalar(@$students));
  291:         if ($Ydata[$i] != 0) {
  292:             next if (! defined($BinEnd[$i]) || $BinEnd[$i] == 0);
  293:             $htmltable .= 
  294:                 '<tr>'.
  295:                 '<td align="right"><nobr>'.
  296:                 &Apache::lonlocal::locallocaltime($BinEnd[$i]-$binsize).
  297:                 '</nobr></td>'.
  298:                 '<td>&nbsp;</td>'.
  299:                 '<td align="right"><nobr>'.
  300:                     &Apache::lonlocal::locallocaltime($BinEnd[$i]).'</td>'.
  301:                 '</nobr></td>'.
  302:                 '<td align="right">'.$Ydata[$i].('&nbsp;'x3).'</td>'.
  303:                 '<td>&nbsp;</td>'.
  304:                 '<td align="right">'.$AnsData[$i].('&nbsp;'x3).'</td>'.
  305:                 '<td>&nbsp;</td>'.
  306:                 '<td align="right">'.$CumulativeCorrect[$i].'</td>'.
  307:                 '<td>&nbsp;</td>'.
  308:                 '<td align="right">'.$corr_as_percent_of_answering[$i].'</td>'.
  309:                 '<td>&nbsp;</td>'.
  310:                 '<td align="right">'.$corr_as_percent_of_selected[$i].'</td>'.
  311:                 '</tr>'.$/;
  312:         }
  313:     }
  314:     $htmltable .= '</tbody></table></p>';
  315:     #
  316:     # Build the plot
  317:     my $title = '';#'Number of Submissions and Number Correct';
  318:     my $xlabel;
  319:     (undef,undef,undef,$mday,$month,$year,$wday) = localtime($day_start);
  320:     $xlabel .= $FullWeekDay[$wday].' '.
  321:         join(' ',($Month[$month],$mday,1900+$year)).' - ';
  322:     (undef,undef,undef,$mday,$month,$year,$wday) = localtime($endtime);
  323:     $xlabel .= $FullWeekDay[$wday].' '.
  324:         join(' ',($Month[$month],$mday,1900+$year));
  325:     my $width = 50+2*$bincount;
  326:     if ($width < 250) {
  327:         $width = 250;
  328:     }
  329:     #
  330:     $html .= &Apache::loncommon::DrawXYYGraph($title,
  331:                                               $xlabel,
  332:                                               'Submissions vs Time',
  333:                                               $plotcolors,
  334:                                               \@Xlabel,
  335:                                               \@Ydata,0,$max,
  336:                                               \@corr_as_percent_of_selected,0,100,
  337:                                               (xskip => $bins_per_day,
  338:                                                x_ticks => $bins_per_day,
  339:                                                x_tick_offset => $bins_per_day,
  340:                                                width => $width,
  341:                       y1_label=>'Number of Submissions per hour',
  342:                       y2_label=>'Percent of Students answering Correctly',
  343:                      'data.1.label'=>'Submissions per hour',
  344:                      'data.2.label'=>'Percent correct',
  345:                                                )
  346:                                               );
  347:     $html .= '<br />'.$htmltable;
  348:     return $html;
  349: }
  350: 
  351: sub successful_submission {
  352:     my ($row) = @_;
  353:     if (ref($row) eq 'ARRAY') {
  354:         return $row->[&Apache::loncoursedata::RT_awarded()];
  355:     }
  356:     return undef;
  357: }
  358: 
  359: sub get_time_from_row {
  360:     my ($row) = @_;
  361:     if (ref($row) eq 'ARRAY') {
  362:         return $row->[&Apache::loncoursedata::RT_timestamp()];
  363:     } 
  364:     return undef;
  365: }
  366: 
  367: sub get_tries_from_row {
  368:     my ($row) = @_;
  369:     if (ref($row) eq 'ARRAY') {
  370:         return $row->[&Apache::loncoursedata::RT_tries()];
  371:     }
  372:     return undef;
  373: }
  374: 
  375: sub Process_Row {
  376:     my ($row) = @_;
  377:     my %RowData;
  378:     my ($student_id,$award,$tries,$time) = @$row;
  379:     return %RowData;
  380: }
  381: 
  382: #########################################################
  383: #########################################################
  384: ##
  385: ##   Generic Interface Routines
  386: ##
  387: #########################################################
  388: #########################################################
  389: sub CreateInterface {
  390:     ##
  391:     ## Environment variable initialization
  392:     if (! exists$env{'form.AnalyzeOver'}) {
  393:         $env{'form.AnalyzeOver'} = 'Tries';
  394:     }
  395:     ##
  396:     ## Build the menu
  397:     my $Str = '';
  398:     $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Submission Time Plots');
  399:     $Str .= '<p>';
  400:     $Str .= '<table cellspacing="5">'."\n";
  401:     $Str .= '<tr>';
  402:     $Str .= '<th align="center">'.&mt('Sections').'</th>';
  403:     $Str .= '<th align="center">'.&mt('Enrollment Status').'</th>';
  404:     $Str .= '</tr>'."\n";
  405:     ##
  406:     ## 
  407:     $Str .= '<tr><td align="center">'."\n";
  408:     $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',4);
  409:     $Str .= '</td>';
  410:     #
  411:     $Str .= '<td align="center">';
  412:     $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,4);
  413:     $Str .= '</td>';
  414:     #
  415:     $Str .= '</tr>'."\n";
  416:     $Str .= '</table>'."\n";
  417:     #
  418:     $Str .= '<nobr>'.&mt('Status: [_1]',
  419:                          '<input type="text" '.
  420:                          'name="stats_status" size="60" value="" />').
  421:             '</nobr>'.'</p>';
  422:     ##
  423:     return $Str;
  424: }
  425: 
  426: 1;
  427: 
  428: __END__