Annotation of loncom/interface/statistics/lonstudentassessment.pm, revision 1.171

1.1       stredwic    1: # The LearningOnline Network with CAPA
                      2: #
1.171   ! raeburn     3: # $Id: lonstudentassessment.pm,v 1.170 2012/10/02 18:13:30 bisitz Exp $
1.1       stredwic    4: #
                      5: # Copyright Michigan State University Board of Trustees
                      6: #
                      7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      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: # (Navigate problems for statistical reports
1.28      matthew    27: #
                     28: #######################################################
                     29: #######################################################
                     30: 
                     31: =pod
                     32: 
                     33: =head1 NAME
                     34: 
                     35: lonstudentassessment
                     36: 
                     37: =head1 SYNOPSIS
                     38: 
                     39: Presents assessment data about a student or a group of students.
                     40: 
                     41: =head1 Subroutines
                     42: 
                     43: =over 4 
                     44: 
                     45: =cut
                     46: 
                     47: #######################################################
                     48: #######################################################
1.1       stredwic   49: 
1.21      minaeibi   50: package Apache::lonstudentassessment;
1.1       stredwic   51: 
                     52: use strict;
1.136     albertel   53: use Apache::lonstatistics();
1.163     www        54: use Apache::lonquickgrades();
1.136     albertel   55: use Apache::lonhtmlcommon();
1.77      matthew    56: use Apache::loncommon();
1.1       stredwic   57: use Apache::loncoursedata;
1.28      matthew    58: use Apache::lonnet; # for logging porpoises
1.75      matthew    59: use Apache::lonlocal;
1.136     albertel   60: use Apache::grades();
                     61: use Apache::lonmsgdisplay();
1.112     matthew    62: use Time::HiRes;
1.31      matthew    63: use Spreadsheet::WriteExcel;
1.76      matthew    64: use Spreadsheet::WriteExcel::Utility();
1.140     www        65: use lib '/home/httpd/lib/perl/';
                     66: use LONCAPA;
                     67:  
1.31      matthew    68: 
                     69: #######################################################
                     70: #######################################################
                     71: =pod
                     72: 
                     73: =item Package Variables
                     74: 
                     75: =over 4
                     76: 
                     77: =item $Statistics Hash ref to store student data.  Indexed by symb,
                     78:       contains hashes with keys 'score' and 'max'.
                     79: 
                     80: =cut
                     81: 
                     82: #######################################################
                     83: #######################################################
1.1       stredwic   84: 
1.30      matthew    85: my $Statistics;
                     86: 
1.28      matthew    87: #######################################################
                     88: #######################################################
                     89: 
                     90: =pod
                     91: 
1.31      matthew    92: =item $show_links 'yes' or 'no' for linking to student performance data
                     93: 
                     94: =item $output_mode 'html', 'excel', or 'csv' for output mode
                     95: 
1.32      matthew    96: =item $show 'all', 'totals', or 'scores' determines how much data is output
1.31      matthew    97: 
1.49      matthew    98: =item $single_student_mode evaluates to true if we are showing only one
                     99: student.
                    100: 
1.31      matthew   101: =cut
                    102: 
                    103: #######################################################
                    104: #######################################################
                    105: my $show_links;
                    106: my $output_mode;
1.87      matthew   107: my $chosen_output;
1.49      matthew   108: my $single_student_mode;
1.28      matthew   109: 
1.31      matthew   110: #######################################################
                    111: #######################################################
                    112: # End of package variable declarations
1.28      matthew   113: 
1.31      matthew   114: =pod
1.28      matthew   115: 
1.31      matthew   116: =back
1.28      matthew   117: 
1.31      matthew   118: =cut
1.28      matthew   119: 
1.31      matthew   120: #######################################################
                    121: #######################################################
1.28      matthew   122: 
1.31      matthew   123: =pod
1.28      matthew   124: 
1.31      matthew   125: =item &BuildStudentAssessmentPage()
1.28      matthew   126: 
1.31      matthew   127: Inputs: 
1.4       stredwic  128: 
1.31      matthew   129: =over 4
1.28      matthew   130: 
                    131: =item $r Apache Request
                    132: 
                    133: =item $c Apache Connection 
                    134: 
                    135: =back
                    136: 
                    137: =cut
                    138: 
                    139: #######################################################
                    140: #######################################################
1.1       stredwic  141: sub BuildStudentAssessmentPage {
1.30      matthew   142:     my ($r,$c)=@_;
1.74      matthew   143:     #
1.30      matthew   144:     undef($Statistics);
1.66      matthew   145:     undef($show_links);
                    146:     undef($output_mode);
1.87      matthew   147:     undef($chosen_output);
1.66      matthew   148:     undef($single_student_mode);
1.74      matthew   149:     #
                    150:     my %Saveable_Parameters = ('Status' => 'scalar',
                    151:                                'chartoutputmode' => 'scalar',
                    152:                                'chartoutputdata' => 'scalar',
                    153:                                'Section' => 'array',
1.139     raeburn   154:                                'Groups' => 'array',
1.74      matthew   155:                                'StudentData' => 'array',
                    156:                                'Maps' => 'array');
                    157:     &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
                    158:     &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
                    159:     #
                    160:     &Apache::lonstatistics::PrepareClasslist();
                    161:     #
1.65      matthew   162:     $single_student_mode = 0;
1.121     albertel  163:     $single_student_mode = 1 if ($env{'form.SelectedStudent'});
1.100     matthew   164:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                    165:                                             ['selectstudent']);
1.121     albertel  166:     if ($env{'form.selectstudent'}) {
1.59      matthew   167:         &Apache::lonstatistics::DisplayClasslist($r);
                    168:         return;
                    169:     }
1.163     www       170:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Chart','Chart_Description:Chart_Sections:Chart_Student_Data:Chart_Enrollment_Status:Chart_Sequences:Chart_Output_Formats:Chart_Output_Data'));
                    171:     &Apache::lonquickgrades::startGradeScreen($r,'chart');
                    172: 
1.30      matthew   173:     #
1.31      matthew   174:     # Print out the HTML headers for the interface
                    175:     #    This also parses the output mode selector
1.54      matthew   176:     #    This step must *always* be done.
1.30      matthew   177:     $r->print(&CreateInterface());
1.31      matthew   178:     $r->print('<input type="hidden" name="notfirstrun" value="true" />');
1.49      matthew   179:     $r->print('<input type="hidden" name="sort" value="'.
1.121     albertel  180:               $env{'form.sort'}.'" />');
1.7       stredwic  181:     $r->rflush();
1.58      matthew   182:     #
1.121     albertel  183:     if (! exists($env{'form.notfirstrun'}) && ! $single_student_mode) {
1.31      matthew   184:         return;
                    185:     }
1.119     matthew   186:     $r->print('<h4>'.
                    187:               &Apache::lonstatistics::section_and_enrollment_description().
                    188:               '</h4>');
1.31      matthew   189:     #
                    190:     my $initialize     = \&html_initialize;
                    191:     my $output_student = \&html_outputstudent;
                    192:     my $finish         = \&html_finish;
                    193:     #
                    194:     if ($output_mode eq 'excel') {
                    195:         $initialize     = \&excel_initialize;
                    196:         $output_student = \&excel_outputstudent;
                    197:         $finish         = \&excel_finish;
                    198:     } elsif ($output_mode eq 'csv') {
                    199:         $initialize     = \&csv_initialize;
                    200:         $output_student = \&csv_outputstudent;
                    201:         $finish         = \&csv_finish;
                    202:     }
1.30      matthew   203:     #
                    204:     if($c->aborted()) {  return ; }
1.31      matthew   205:     #
1.49      matthew   206:     # Determine which students we want to look at
                    207:     my @Students;
                    208:     if ($single_student_mode) {
                    209:         @Students = (&Apache::lonstatistics::current_student());
                    210:         $r->print(&next_and_previous_buttons());
                    211:         $r->rflush();
                    212:     } else {
                    213:         @Students = @Apache::lonstatistics::Students;
                    214:     }
1.56      matthew   215:     #
                    216:     # Perform generic initialization tasks
                    217:     #       Since we use lonnet::EXT to retrieve problem weights,
                    218:     #       to ensure current data we must clear the caches out.
                    219:     #       This makes sure that parameter changes at the student level
                    220:     #       are immediately reflected in the chart.
                    221:     &Apache::lonnet::clear_EXT_cache_status();
1.69      matthew   222:     #
                    223:     # Clean out loncoursedata's package data, just to be safe.
                    224:     &Apache::loncoursedata::clear_internal_caches();
1.49      matthew   225:     #
1.31      matthew   226:     # Call the initialize routine selected above
                    227:     $initialize->($r);
1.49      matthew   228:     foreach my $student (@Students) {
1.31      matthew   229:         if($c->aborted()) { 
                    230:             $finish->($r);
                    231:             return ; 
1.1       stredwic  232:         }
1.31      matthew   233:         # Call the output_student routine selected above
                    234:         $output_student->($r,$student);
                    235:     }
                    236:     # Call the "finish" routine selected above
1.163     www       237:     &Apache::lonquickgrades::endGradeScreen($r);
1.31      matthew   238:     $finish->($r);
                    239:     #
                    240:     return;
                    241: }
                    242: 
                    243: #######################################################
                    244: #######################################################
1.49      matthew   245: sub next_and_previous_buttons {
                    246:     my $Str = '';
                    247:     $Str .= '<input type="hidden" name="SelectedStudent" value="'.
1.121     albertel  248:         $env{'form.SelectedStudent'}.'" />';
1.49      matthew   249:     #
                    250:     # Build the previous student link
                    251:     my $previous = &Apache::lonstatistics::previous_student();
                    252:     my $previousbutton = '';
                    253:     if (defined($previous)) {
                    254:         my $sname = $previous->{'username'}.':'.$previous->{'domain'};
                    255:         $previousbutton .= '<input type="button" value="'.
1.155     bisitz    256:             &mt('Previous Student ([_1])',
                    257:             $previous->{'username'}.':'.$previous->{'domain'}).
1.49      matthew   258:             '" onclick="document.Statistics.SelectedStudent.value='.
                    259:             "'".$sname."'".';'.
                    260:             'document.Statistics.submit();" />';
                    261:     } else {
                    262:         $previousbutton .= '<input type="button" value="'.
1.155     bisitz    263:             &mt('Previous Student').'" disabled="disabled" />';
1.49      matthew   264:     }
                    265:     #
                    266:     # Build the next student link
                    267:     my $next = &Apache::lonstatistics::next_student();
                    268:     my $nextbutton = '';
                    269:     if (defined($next)) {
                    270:         my $sname = $next->{'username'}.':'.$next->{'domain'};
                    271:         $nextbutton .= '<input type="button" value="'.
1.155     bisitz    272:             &mt('Next Student ([_1])',
                    273:             $next->{'username'}.':'.$next->{'domain'}).
1.49      matthew   274:             '" onclick="document.Statistics.SelectedStudent.value='.
                    275:             "'".$sname."'".';'.
                    276:             'document.Statistics.submit();" />';
                    277:     } else {
                    278:         $nextbutton .= '<input type="button" value="'.
1.155     bisitz    279:             &mt('Next Student').'" disabled="disabled" />';
1.49      matthew   280:     }
                    281:     #
                    282:     # Build the 'all students' button
                    283:     my $all = '';
1.155     bisitz    284:     $all .= '<input type="button" value="'.&mt('All Students').'" '.
1.49      matthew   285:             '" onclick="document.Statistics.SelectedStudent.value='.
                    286:             "''".';'.'document.Statistics.submit();" />';
                    287:     $Str .= $previousbutton.('&nbsp;'x5).$all.('&nbsp;'x5).$nextbutton;
                    288:     return $Str;
                    289: }
                    290: 
                    291: #######################################################
                    292: #######################################################
1.30      matthew   293: 
1.31      matthew   294: sub get_student_fields_to_show {
                    295:     my @to_show = @Apache::lonstatistics::SelectedStudentData;
                    296:     foreach (@to_show) {
                    297:         if ($_ eq 'all') {
                    298:             @to_show = @Apache::lonstatistics::StudentDataOrder;
                    299:             last;
                    300:         }
                    301:     }
                    302:     return @to_show;
                    303: }
                    304: 
1.28      matthew   305: #######################################################
                    306: #######################################################
                    307: 
                    308: =pod
1.2       stredwic  309: 
1.28      matthew   310: =item &CreateInterface()
1.21      minaeibi  311: 
1.28      matthew   312: Called by &BuildStudentAssessmentPage to create the top part of the
                    313: page which displays the chart.
                    314: 
1.30      matthew   315: Inputs: None
1.28      matthew   316: 
                    317: Returns:  A string containing the HTML for the headers and top table for 
                    318: the chart page.
                    319: 
                    320: =cut
                    321: 
                    322: #######################################################
                    323: #######################################################
1.2       stredwic  324: sub CreateInterface {
1.4       stredwic  325:     my $Str = '';
1.30      matthew   326:     $Str .= '<table cellspacing="5">'."\n";
                    327:     $Str .= '<tr>';
1.141     albertel  328:     $Str .= '<td align="center"><b>'.&mt('Sections').'</b>'.
                    329: 	&Apache::loncommon::help_open_topic("Chart_Sections").
                    330: 	'</td>';
                    331:     $Str .= '<td align="center"><b>'.&mt('Groups').'</b>'.
                    332: 	'</td>';
1.157     bisitz    333:     $Str .= '<td align="center"><b>'.&mt('Student Data').'</b>'.
1.141     albertel  334: 	&Apache::loncommon::help_open_topic("Chart_Student_Data").
                    335: 	'</td>';
1.143     raeburn   336:     $Str .= '<td align="center"><b>'.&mt('Access Status').'</b>'.
1.141     albertel  337: 	&Apache::loncommon::help_open_topic("Chart_Enrollment_Status").
                    338: 	'</td>';
                    339:     $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b>'.
                    340: 	&Apache::loncommon::help_open_topic("Chart_Sequences").
                    341: 	'</td>';
1.75      matthew   342:     $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
1.58      matthew   343:         &Apache::loncommon::help_open_topic("Chart_Output_Formats").
                    344:         '</td>';
1.75      matthew   345:     $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
1.58      matthew   346:         &Apache::loncommon::help_open_topic("Chart_Output_Data").
                    347:         '</td>';
1.30      matthew   348:     $Str .= '</tr>'."\n";
                    349:     #
1.4       stredwic  350:     $Str .= '<tr><td align="center">'."\n";
1.29      matthew   351:     $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1.4       stredwic  352:     $Str .= '</td><td align="center">';
1.139     raeburn   353:     $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
                    354:     $Str .= '</td><td align="center">';
1.30      matthew   355:     $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
                    356:                                                       5,undef);
1.46      matthew   357:     $Str .= '</td><td>'."\n";
                    358:     $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1.4       stredwic  359:     $Str .= '</td><td>'."\n";
1.112     matthew   360:     $Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5);
1.31      matthew   361:     $Str .= '</td><td>'."\n";
                    362:     $Str .= &CreateAndParseOutputSelector();
1.54      matthew   363:     $Str .= '</td><td>'."\n";
                    364:     $Str .= &CreateAndParseOutputDataSelector();
1.30      matthew   365:     $Str .= '</td></tr>'."\n";
                    366:     $Str .= '</table>'."\n";
1.75      matthew   367:     $Str .= '<input type="submit" name="selectstudent" value="'.
                    368:         &mt('Select One Student').'" />';
1.59      matthew   369:     $Str .= '&nbsp;'x5;
1.75      matthew   370:     $Str .= '<input type="submit" name="ClearCache" value="'.
                    371:         &mt('Clear Caches').'" />';
1.156     bisitz    372:     $Str .= '<p>'
                    373:            .'<input type="submit" name="Generate Chart"'
                    374:            .' value="'.&mt('Generate Chart').'" />'
                    375:            .'</p>';
1.4       stredwic  376:     return $Str;
1.1       stredwic  377: }
1.30      matthew   378: 
                    379: #######################################################
                    380: #######################################################
                    381: 
                    382: =pod
                    383: 
1.31      matthew   384: =item &CreateAndParseOutputSelector()
1.30      matthew   385: 
                    386: =cut
                    387: 
                    388: #######################################################
                    389: #######################################################
1.32      matthew   390: my @OutputOptions = 
                    391:     ({ name  => 'HTML, with links',
                    392:        value => 'html, with links',
1.33      matthew   393:        description => 'Output HTML with each symbol linked to the problem '.
1.35      matthew   394: 	   'which generated it.',
                    395:        mode => 'html',
                    396:        show_links => 'yes',
                    397:        },
1.47      matthew   398:      { name  => 'HTML, with all links',
                    399:        value => 'html, with all links',
                    400:        description => 'Output HTML with each symbol linked to the problem '.
                    401: 	   'which generated it.  '.
                    402:            'This includes links for unattempted problems.',
                    403:        mode => 'html',
                    404:        show_links => 'all',
                    405:        },
1.32      matthew   406:      { name  => 'HTML, without links',
                    407:        value => 'html, without links',
1.33      matthew   408:        description => 'Output HTML.  By not including links, the size of the'.
                    409: 	   ' web page is greatly reduced.  If your browser crashes on the '.
1.35      matthew   410: 	   'full display, try this.',
                    411:        mode => 'html',
                    412:        show_links => 'no',
                    413:            },
1.54      matthew   414:      { name  => 'Excel',
                    415:        value => 'excel',
                    416:        description => 'Output an Excel file (compatable with Excel 95).',
1.35      matthew   417:        mode => 'excel',
                    418:        show_links => 'no',
1.54      matthew   419:    },
                    420:      { name  => 'CSV',
                    421:        value => 'csv',
1.96      www       422:        description => 'Output a comma separated values file suitable for '.
1.57      matthew   423:            'import into a spreadsheet program.  Using this method as opposed '.
                    424:            'to Excel output allows you to organize your data before importing'.
                    425:            ' it into a spreadsheet program.',
1.35      matthew   426:        mode => 'csv',
                    427:        show_links => 'no',
                    428:            },
1.32      matthew   429:      );
                    430: 
1.33      matthew   431: sub OutputDescriptions {
                    432:     my $Str = '';
1.58      matthew   433:     $Str .= "<h2>Output Formats</h2>\n";
1.33      matthew   434:     $Str .= "<dl>\n";
                    435:     foreach my $outputmode (@OutputOptions) {
                    436: 	$Str .="    <dt>".$outputmode->{'name'}."</dt>\n";
                    437: 	$Str .="        <dd>".$outputmode->{'description'}."</dd>\n";
                    438:     }
                    439:     $Str .= "</dl>\n";
                    440:     return $Str;
                    441: }
                    442: 
1.31      matthew   443: sub CreateAndParseOutputSelector {
                    444:     my $Str = '';
1.44      matthew   445:     my $elementname = 'chartoutputmode';
1.73      matthew   446:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                    447:                                             [$elementname]);
1.31      matthew   448:     #
                    449:     # Format for output options is 'mode, restrictions';
1.122     albertel  450:     my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
                    451:     $selected = 'html, without links' if (!$selected);
                    452: 
1.31      matthew   453:     #
                    454:     # Set package variables describing output mode
                    455:     $show_links  = 'no';
                    456:     $output_mode = 'html';
1.35      matthew   457:     foreach my $option (@OutputOptions) {
                    458:         next if ($option->{'value'} ne $selected);
                    459:         $output_mode = $option->{'mode'};
                    460:         $show_links  = $option->{'show_links'};
1.31      matthew   461:     }
1.35      matthew   462: 
1.31      matthew   463:     #
                    464:     # Build the form element
                    465:     $Str = qq/<select size="5" name="$elementname">/;
1.32      matthew   466:     foreach my $option (@OutputOptions) {
                    467:         $Str .= "\n".'    <option value="'.$option->{'value'}.'"';
                    468:         $Str .= " selected " if ($option->{'value'} eq $selected);
1.75      matthew   469:         $Str .= ">".&mt($option->{'name'})."<\/option>";
1.31      matthew   470:     }
                    471:     $Str .= "\n</select>";
                    472:     return $Str;
                    473: }
1.30      matthew   474: 
1.54      matthew   475: ##
                    476: ## Data selector stuff
                    477: ##
                    478: my @OutputDataOptions =
1.57      matthew   479:     (
1.72      matthew   480:      { name  => 'Scores Summary',
1.57      matthew   481:        base  => 'scores',
                    482:        value => 'sum and total',
1.87      matthew   483:        scores => 1,
                    484:        tries  => 0,
                    485:        every_problem => 0,
                    486:        sequence_sum => 1,
                    487:        sequence_max => 1,
                    488:        grand_total => 1,
1.101     matthew   489:        grand_maximum => 1,
1.89      matthew   490:        summary_table => 1,
1.90      matthew   491:        maximum_row => 1,
1.129     bowersj2  492:        ignore_weight => 0,
1.57      matthew   493:        shortdesc => 'Total Score and Maximum Possible for each '.
                    494:            'Sequence or Folder',
                    495:        longdesc => 'The score of each student as well as the '.
                    496:            ' maximum possible on each Sequence or Folder.',
                    497:        },
1.71      matthew   498:      { name  => 'Scores Per Problem',
1.57      matthew   499:        base  => 'scores',
1.71      matthew   500:        value => 'scores',
1.87      matthew   501:        scores => 1,
                    502:        tries  => 0,
                    503:        correct => 0,
                    504:        every_problem => 1,
                    505:        sequence_sum => 1,
                    506:        sequence_max => 1,
                    507:        grand_total => 1,
1.101     matthew   508:        grand_maximum => 1,
1.89      matthew   509:        summary_table => 1,
1.90      matthew   510:        maximum_row => 1,
1.129     bowersj2  511:        ignore_weight => 0,
1.71      matthew   512:        shortdesc => 'Score on each Problem Part',
                    513:        longdesc =>'The students score on each problem part, computed as'.
                    514:            'the part weight * part awarded',
1.57      matthew   515:        },
                    516:      { name  =>'Tries',
                    517:        base  =>'tries',
                    518:        value => 'tries',
1.87      matthew   519:        scores => 0,
                    520:        tries  => 1,
                    521:        correct => 0,
                    522:        every_problem => 1,
                    523:        sequence_sum => 0,
                    524:        sequence_max => 0,
                    525:        grand_total => 0,
1.101     matthew   526:        grand_maximum => 0,
1.90      matthew   527:        summary_table => 0,
                    528:        maximum_row => 0,
1.129     bowersj2  529:        ignore_weight => 0,
1.57      matthew   530:        shortdesc => 'Number of Tries before success on each Problem Part',
                    531:        longdesc =>'The number of tries before success on each problem part.',
1.109     matthew   532:        non_html_notes => 'negative values indicate an incorrect problem',
1.57      matthew   533:        },
                    534:      { name  =>'Parts Correct',
                    535:        base  =>'tries',
                    536:        value => 'parts correct total',
1.87      matthew   537:        scores => 0,
                    538:        tries  => 0,
                    539:        correct => 1,
                    540:        every_problem => 1,
                    541:        sequence_sum => 1,
                    542:        sequence_max => 1,
                    543:        grand_total => 1,
1.101     matthew   544:        grand_maximum => 1,
1.89      matthew   545:        summary_table => 1,
1.90      matthew   546:        maximum_row => 0,
1.129     bowersj2  547:        ignore_weight => 1,
1.157     bisitz    548:        shortdesc => 'Number of Problem Parts completed successfully',
1.57      matthew   549:        longdesc => 'The Number of Problem Parts completed successfully and '.
                    550:            'the maximum possible for each student',
                    551:        },
                    552:      );
                    553: 
                    554: sub HTMLifyOutputDataDescriptions {
                    555:     my $Str = '';
1.160     raeburn   556:     $Str .= '<h2>'.&mt('Output Data').'</h2>'."\n";
1.57      matthew   557:     $Str .= "<dl>\n";
                    558:     foreach my $option (@OutputDataOptions) {
                    559:         $Str .= '    <dt>'.$option->{'name'}.'</dt>';
                    560:         $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
                    561:     }
                    562:     $Str .= "</dl>\n";
                    563:     return $Str;
                    564: }
1.54      matthew   565: 
                    566: sub CreateAndParseOutputDataSelector {
                    567:     my $Str = '';
                    568:     my $elementname = 'chartoutputdata';
                    569:     #
1.122     albertel  570:     my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
                    571:     $selected = 'scores' if (!$selected);
                    572: 
1.54      matthew   573:     #
1.87      matthew   574:     $chosen_output = $OutputDataOptions[0];
1.54      matthew   575:     foreach my $option (@OutputDataOptions) {
                    576:         if ($option->{'value'} eq $selected) {
1.87      matthew   577:             $chosen_output = $option;
1.54      matthew   578:         }
                    579:     }
                    580:     #
                    581:     # Build the form element
                    582:     $Str = qq/<select size="5" name="$elementname">/;
                    583:     foreach my $option (@OutputDataOptions) {
                    584:         $Str .= "\n".'    <option value="'.$option->{'value'}.'"';
1.87      matthew   585:         $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
1.75      matthew   586:         $Str .= ">".&mt($option->{'name'})."<\/option>";
1.54      matthew   587:     }
                    588:     $Str .= "\n</select>";
                    589:     return $Str;
                    590: 
                    591: }
                    592: 
1.28      matthew   593: #######################################################
                    594: #######################################################
1.115     matthew   595: sub count_parts {
                    596:     my ($navmap,$sequence) = @_;
                    597:     my @resources = &get_resources($navmap,$sequence);
                    598:     my $count = 0;
                    599:     foreach my $res (@resources) {
                    600:         $count += scalar(@{$res->parts});
                    601:     }
                    602:     return $count;
                    603: }
                    604: 
                    605: sub get_resources {
                    606:     my ($navmap,$sequence) = @_;
                    607:     my @resources = $navmap->retrieveResources($sequence,
                    608:                                                sub { shift->is_problem(); },
                    609:                                                0,0,0);
                    610:     return @resources;
                    611: }
                    612: 
                    613: #######################################################
                    614: #######################################################
1.1       stredwic  615: 
1.28      matthew   616: =pod
                    617: 
1.31      matthew   618: =head2 HTML output routines
1.28      matthew   619: 
1.31      matthew   620: =item &html_initialize($r)
1.28      matthew   621: 
1.31      matthew   622: Create labels for the columns of student data to show.
1.28      matthew   623: 
1.31      matthew   624: =item &html_outputstudent($r,$student)
1.28      matthew   625: 
1.31      matthew   626: Return a line of the chart for a student.
1.28      matthew   627: 
1.31      matthew   628: =item &html_finish($r)
1.28      matthew   629: 
                    630: =cut
                    631: 
                    632: #######################################################
                    633: #######################################################
1.31      matthew   634: {
                    635:     my $padding;
                    636:     my $count;
                    637: 
1.39      matthew   638:     my $nodata_count; # The number of students for which there is no data
                    639:     my %prog_state;   # progress state used by loncommon PrgWin routines
1.102     matthew   640:     my $total_sum_width;
1.39      matthew   641: 
1.112     matthew   642:     my %width; # Holds sequence width information
                    643:     my @sequences;
                    644:     my $navmap; # Have to keep this around since weakref is a bit zealous
                    645: 
1.125     albertel  646: sub html_cleanup {
                    647:     undef(%prog_state);
                    648:     undef(%width);
                    649:     #
                    650:     undef($navmap);
                    651:     undef(@sequences);
                    652: }
                    653: 
1.31      matthew   654: sub html_initialize {
                    655:     my ($r) = @_;
1.30      matthew   656:     #
                    657:     $padding = ' 'x3;
1.35      matthew   658:     $count = 0;
1.39      matthew   659:     $nodata_count = 0;
1.125     albertel  660:     &html_cleanup();
1.115     matthew   661:     ($navmap,@sequences) = 
                    662:         &Apache::lonstatistics::selected_sequences_with_assessments();
                    663:     if (! ref($navmap)) {
                    664:         # Unable to get data, so bail out
1.156     bisitz    665:         $r->print('<p class="LC_error">'
                    666:                  .&mt('Unable to retrieve course information.')
                    667:                  .'</p>');
1.115     matthew   668:     }
1.134     bowersj2  669: 
                    670:     # If we're showing links, show a checkbox to open in new
                    671:     # windows.
                    672:     if ($show_links ne 'no') {
1.159     bisitz    673:         my $labeltext = &mt('Show links in new window');
1.134     bowersj2  674:         $r->print(<<NEW_WINDOW_CHECKBOX);
1.135     albertel  675: <script type="text/javascript">new_window = true;</script>
1.159     bisitz    676: <p><label> 
1.152     bisitz    677: <input type="checkbox" checked="checked" onclick="new_window=this.checked" />
1.159     bisitz    678: $labeltext
1.135     albertel  679: </label></p>
1.134     bowersj2  680: NEW_WINDOW_CHECKBOX
                    681:     }
                    682: 
1.30      matthew   683:     #
1.121     albertel  684:     $r->print("<h3>".$env{'course.'.$env{'request.course.id'}.'.description'}.
1.156     bisitz    685:               "&nbsp;&nbsp;".&Apache::lonlocal::locallocaltime(time)."</h3>");
1.112     matthew   686:     #
1.87      matthew   687:     if ($chosen_output->{'base'} !~ /^final table/) {
1.146     bisitz    688:         $r->print("<h3>".&mt($chosen_output->{'shortdesc'})."</h3>");        
1.39      matthew   689:     }
1.31      matthew   690:     my $Str = "<pre>\n";
1.30      matthew   691:     # First, the @StudentData fields need to be listed
1.31      matthew   692:     my @to_show = &get_student_fields_to_show();
1.30      matthew   693:     foreach my $field (@to_show) {
                    694:         my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
                    695:         my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
                    696:         my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
                    697:         $Str .= $title.' 'x($width-$base).$padding;
                    698:     }
1.89      matthew   699:     #
                    700:     # Compute the column widths and output the sequence titles
1.102     matthew   701:     my $total_count;
1.112     matthew   702:     #
                    703:     # Compute sequence widths
                    704:     my $starttime = Time::HiRes::time;
                    705:     foreach my $seq (@sequences) {
                    706:         my $symb = $seq->symb;
                    707:         my $title = $seq->compTitle;
                    708:         $width{$symb}->{'width_sum'} = 0;
                    709:         # Compute width of sum
1.89      matthew   710:         if ($chosen_output->{'sequence_sum'}) {
1.99      matthew   711:             if ($chosen_output->{'every_problem'}) {
                    712:                 # Use 1 digit for a space
1.112     matthew   713:                 $width{$symb}->{'width_sum'} += 1;            
1.99      matthew   714:             }
1.118     matthew   715: 	    $total_count += &count_parts($navmap,$seq);
1.151     www       716:             # Use 6 digits for the sum
                    717:             $width{$symb}->{'width_sum'} += 6;
1.89      matthew   718:         }
1.112     matthew   719:         # Compute width of maximum
1.89      matthew   720:         if ($chosen_output->{'sequence_max'}) {
1.112     matthew   721:             if ($width{$symb}->{'width_sum'}>0) {
1.89      matthew   722:                 # One digit for the '/'
1.112     matthew   723:                 $width{$symb}->{'width_sum'} +=1;
1.89      matthew   724:             }
1.151     www       725:             # Use 6 digits for the total
                    726:             $width{$symb}->{'width_sum'}+=6;
1.89      matthew   727:         }
1.94      matthew   728: 	#
1.89      matthew   729:         if ($chosen_output->{'every_problem'}) {
                    730:             # one problem per digit
1.115     matthew   731:             $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
                    732:             $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
1.89      matthew   733:         } else {
1.112     matthew   734:             $width{$symb}->{'width_problem'} = 0;
1.89      matthew   735:         }
1.112     matthew   736:         $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} + 
                    737:                                      $width{$symb}->{'width_sum'};
                    738:         if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
                    739:             $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
1.89      matthew   740:         }
                    741:         #
                    742:         # Output the sequence titles
1.112     matthew   743:         $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
                    744:                             length($title)
                    745:                             )).$padding;
1.30      matthew   746:     }
1.102     matthew   747:     $total_sum_width = length($total_count)+1;
                    748:     $Str .= "    total</pre>\n";
1.31      matthew   749:     $Str .= "<pre>";
1.132     bowersj2  750: 
                    751:     $r->print(<<JS);
1.142     albertel  752: <script type="text/javascript">
1.132     bowersj2  753: // get the left offset of a given widget as an absolute position
                    754: function getLeftOffset (element) {
                    755:     return collect(element, "offsetLeft");
                    756: }
                    757: 
                    758: // get the top offset of a given widget as an absolute position
                    759: function getTopOffset (element) {
                    760:     return collect(element, "offsetTop");
                    761: }
                    762: 
                    763: function collect(element, att) {
                    764:     var val = 0;
                    765:     while(element) {
                    766:         val += element[att];
                    767:         element = element.offsetParent;
                    768:     }
                    769:     return val;
                    770: }
                    771: 
                    772: var currentDiv;
                    773: var currentElement;
                    774: function popup_score(element, score) {
                    775:     popdown_score();
                    776:     var left = getLeftOffset(element);
                    777:     var top = getTopOffset(element);
                    778:     var div = document.createElement("div");
1.142     albertel  779:     div.className = "LC_chrt_popup";
1.132     bowersj2  780:     div.appendChild(document.createTextNode(score));
                    781:     div.style.position = "absolute";
                    782:     div.style.top = (top - 25) + "px";
                    783:     div.style.left = (left - 10) + "px";
                    784:     currentDiv = div;
1.133     bowersj2  785:     document.body.insertBefore(div, document.body.childNodes[0]);
1.142     albertel  786:     element.className = "LC_chrt_popup_up";
1.132     bowersj2  787:     currentElement = element;
                    788: }
                    789: 
                    790: function popdown_score() {
                    791:     if (currentDiv) {
                    792:         document.body.removeChild(currentDiv);
                    793:     }
                    794:     if (currentElement) {
1.142     albertel  795:         currentElement.className = 'LC_chrt_popup_exists';
1.132     bowersj2  796:     }
                    797:     currentDiv = undefined;
                    798: }
                    799: </script>
                    800: JS
                    801: 
1.123     albertel  802:     #
                    803:     # Let the user know what we are doing
                    804:     my $studentcount = scalar(@Apache::lonstatistics::Students); 
                    805:     if ($env{'form.SelectedStudent'}) {
                    806:         $studentcount = '1';
                    807:     }
                    808:     #
                    809:     # Initialize progress window
1.166     www       810:     #
1.165     www       811:     %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$studentcount);
1.123     albertel  812:     &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
                    813:                                           'Processing first student');
1.166     www       814:     $r->print($Str);
                    815:     $r->rflush();
                    816: 
1.31      matthew   817:     return;
1.30      matthew   818: }
                    819: 
1.31      matthew   820: sub html_outputstudent {
                    821:     my ($r,$student) = @_;
1.2       stredwic  822:     my $Str = '';
1.112     matthew   823:     return if (! defined($navmap));
1.35      matthew   824:     #
1.87      matthew   825:     if($count++ % 5 == 0 && $count > 0) {
1.158     bisitz    826: #       $r->print("</pre><pre>");
                    827:         $r->print('</pre>');
                    828:         &Apache::lonhtmlcommon::Increment_PrgWin(
1.162     bisitz    829:             $r,\%prog_state,'last five students',5);
1.158     bisitz    830:         $r->rflush();
                    831:         $r->print('<pre>');
1.35      matthew   832:     }
1.30      matthew   833:     # First, the @StudentData fields need to be listed
1.31      matthew   834:     my @to_show = &get_student_fields_to_show();
1.30      matthew   835:     foreach my $field (@to_show) {
                    836:         my $title=$student->{$field};
1.103     matthew   837:         # Deal with 'comments' - how I love special cases
                    838:         if ($field eq 'comments') {
                    839:             $title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
                    840:         }
1.168     raeburn   841:         utf8::decode($title);
1.31      matthew   842:         my $base = length($title);
1.30      matthew   843:         my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
                    844:         $Str .= $title.' 'x($width-$base).$padding;
                    845:     }
                    846:     # Get ALL the students data
                    847:     my %StudentsData;
                    848:     my @tmp = &Apache::loncoursedata::get_current_state
                    849:         ($student->{'username'},$student->{'domain'},undef,
1.121     albertel  850:          $env{'request.course.id'});
1.144     albertel  851:     if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:(.*)/)) {
1.30      matthew   852:         %StudentsData = @tmp;
1.144     albertel  853:     } else {
                    854: 	my $error = $1;
                    855: 	if (scalar(@tmp) < 1) {
1.149     bisitz    856: 	    $Str .= '<span class="LC_warning">'
                    857:                    .&mt('No Course Data')
                    858:                    .'</span>'."\n";
1.144     albertel  859: 	} else {
1.149     bisitz    860:             $Str .= '<span class="LC_error">'
                    861:                    .&mt('Error getting student data ([_1])',$error)
                    862:                    .'</span>'."\n";
1.144     albertel  863: 	}
1.39      matthew   864:         $nodata_count++;
1.31      matthew   865:         $r->print($Str);
                    866:         $r->rflush();
                    867:         return;
1.30      matthew   868:     }
                    869:     #
                    870:     # By sequence build up the data
                    871:     my $studentstats;
1.31      matthew   872:     my $PerformanceStr = '';
1.112     matthew   873:     foreach my $seq (@sequences) {
1.118     matthew   874:         my $symb = $seq->symb;
1.164     raeburn   875:         my $randompick = $seq->randompick();
1.54      matthew   876:         my ($performance,$performance_length,$score,$seq_max,$rawdata);
1.87      matthew   877:         if ($chosen_output->{'tries'}) {
1.54      matthew   878:             ($performance,$performance_length,$score,$seq_max,$rawdata) =
1.112     matthew   879:                 &student_tries_on_sequence($student,\%StudentsData,
1.164     raeburn   880:                                            $navmap,$seq,$show_links,$randompick);
1.54      matthew   881:         } else {
                    882:             ($performance,$performance_length,$score,$seq_max,$rawdata) =
1.112     matthew   883:                 &student_performance_on_sequence($student,\%StudentsData,
1.129     bowersj2  884:                                                  $navmap,$seq,$show_links,
1.164     raeburn   885:                                                  $chosen_output->{ignore_weight},
                    886:                                                  $randompick);
1.54      matthew   887:         }
1.89      matthew   888:         my $ratio='';
1.118     matthew   889:         if ($chosen_output->{'every_problem'} && 
                    890:             $chosen_output->{'sequence_sum'}) {
1.99      matthew   891:             $ratio .= ' ';
                    892:         }
1.97      matthew   893:         if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
1.151     www       894:             my $score .= sprintf("%3.2f",$score);
                    895:             $ratio .= (' 'x(6-length($score))).$score;
1.98      matthew   896:         } elsif($chosen_output->{'sequence_sum'}) {
1.151     www       897:             $ratio .= ' 'x6;
1.89      matthew   898:         }
                    899:         if ($chosen_output->{'sequence_max'}) {
                    900:             if ($chosen_output->{'sequence_sum'}) {
                    901:                 $ratio .= '/';
                    902:             }
1.151     www       903:             my $sequence_total=sprintf("%3.2f",$seq_max);
                    904:             $ratio .= $sequence_total.(' 'x(6-length($sequence_total)));
1.89      matthew   905:         }
1.31      matthew   906:         #
1.89      matthew   907:         if (! $chosen_output->{'every_problem'}) {
                    908:             $performance = '';
1.94      matthew   909: 	    $performance_length=0;
1.30      matthew   910:         }
1.118     matthew   911:         $performance .= ' 'x($width{$symb}->{'width_total'} -
1.112     matthew   912:                              $performance_length -
1.118     matthew   913:                              $width{$symb}->{'width_sum'}).
1.89      matthew   914:             $ratio;
1.31      matthew   915:         #
                    916:         $Str .= $performance.$padding;
                    917:         #
1.118     matthew   918:         $studentstats->{$symb}->{'score'}= $score;
                    919:         $studentstats->{$symb}->{'max'}  = $seq_max;
1.30      matthew   920:     }
                    921:     #
                    922:     # Total it up and store the statistics info.
1.97      matthew   923:     my ($score,$max);
1.30      matthew   924:     while (my ($symb,$seq_stats) = each (%{$studentstats})) {
                    925:         $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
1.54      matthew   926:         if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
                    927:             $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
                    928:         }
1.97      matthew   929:         if ($seq_stats->{'score'} ne ' ') {
                    930:             $score += $seq_stats->{'score'};
                    931:             $Statistics->{$symb}->{'num_students'}++;
                    932:         }
1.30      matthew   933:         $max   += $seq_stats->{'max'};
                    934:     }
1.97      matthew   935:     if (! defined($score)) {
1.102     matthew   936:         $score = ' ' x $total_sum_width;
1.105     matthew   937:     } else {
1.151     www       938:         $score = sprintf("%.2f",$score);
                    939:         $score = (' 'x(6-length($score))).$score;
1.97      matthew   940:     }
1.102     matthew   941:     $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
1.30      matthew   942:     $Str .= " \n";
1.39      matthew   943:     #
1.31      matthew   944:     $r->print($Str);
                    945:     #
1.158     bisitz    946: #   $r->rflush();
                    947: #   &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.31      matthew   948:     return;
1.30      matthew   949: }    
1.2       stredwic  950: 
1.31      matthew   951: sub html_finish {
                    952:     my ($r) = @_;
1.112     matthew   953:     return if (! defined($navmap));
1.39      matthew   954:     #
                    955:     # Check for suppressed output and close the progress window if so
1.87      matthew   956:     $r->print("</pre>\n"); 
1.90      matthew   957:     if ($chosen_output->{'summary_table'}) {
                    958:         if ($single_student_mode) {
                    959:             $r->print(&SingleStudentTotal());
                    960:         } else {
                    961:             $r->print(&StudentAverageTotal());
                    962:         }
1.49      matthew   963:     }
1.31      matthew   964:     $r->rflush();
1.123     albertel  965:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1.125     albertel  966:     &html_cleanup();
1.31      matthew   967:     return;
                    968: }
                    969: 
1.39      matthew   970: sub StudentAverageTotal {
1.105     matthew   971:     my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
1.150     bisitz    972:     $Str .= &Apache::loncommon::start_data_table();
                    973:     $Str .= &Apache::loncommon::start_data_table_header_row().
1.105     matthew   974:         '<th>'.&mt('Title').'</th>'.
                    975:         '<th>'.&mt('Average').'</th>'.
                    976:         '<th>'.&mt('Maximum').'</th>'.
1.150     bisitz    977:         &Apache::loncommon::end_data_table_header_row().$/;
1.112     matthew   978:     foreach my $seq (@sequences) {
                    979:         my $symb = $seq->symb;
1.42      matthew   980:         my $ave;
1.112     matthew   981:         my $num_students = $Statistics->{$symb}->{'num_students'};
1.97      matthew   982:         if ($num_students > 0) {
                    983:             $ave = int(100*
1.112     matthew   984:                        ($Statistics->{$symb}->{'score'}/$num_students)
1.97      matthew   985:                        )/100;
1.42      matthew   986:         } else {
                    987:             $ave = 0;
                    988:         }
1.112     matthew   989:         my $max = $Statistics->{$symb}->{'max'};
1.82      matthew   990:         $ave = sprintf("%.2f",$ave);
1.150     bisitz    991:         $Str .= &Apache::loncommon::start_data_table_row().
                    992:             '<td>'.$seq->compTitle.'</td>'.
1.82      matthew   993:             '<td align="right">'.$ave.'&nbsp;</td>'.
1.150     bisitz    994:             '<td align="right">'.$max.'&nbsp;'.'</td>'.
                    995:             &Apache::loncommon::end_data_table_row()."\n";
1.39      matthew   996:     }
1.150     bisitz    997:     $Str .= &Apache::loncommon::end_data_table()."\n";
1.39      matthew   998:     return $Str;
                    999: }
                   1000: 
1.49      matthew  1001: sub SingleStudentTotal {
1.115     matthew  1002:     return if (! defined($navmap));
1.49      matthew  1003:     my $student = &Apache::lonstatistics::current_student();
1.157     bisitz   1004:     my $Str = '<h3>'.&mt('Summary table for [_1] ([_2])',
1.105     matthew  1005:                          $student->{'fullname'},
1.157     bisitz   1006:                          $student->{'username'}.':'.$student->{'domain'}).'</h3>';
1.105     matthew  1007:     $Str .= $/;
1.150     bisitz   1008:     $Str .= &Apache::loncommon::start_data_table()."\n";
1.49      matthew  1009:     $Str .= 
1.150     bisitz   1010:         &Apache::loncommon::start_data_table_header_row().
1.105     matthew  1011:         '<th>'.&mt('Sequence or Folder').'</th>';
                   1012:     if ($chosen_output->{'base'} eq 'tries') {
                   1013:         $Str .= '<th>'.&mt('Parts Correct').'</th>';
                   1014:     } else {
                   1015:         $Str .= '<th>'.&mt('Score').'</th>';
                   1016:     }
1.150     bisitz   1017:     $Str .= '<th>'.&mt('Maximum').'</th>'.
                   1018:             &Apache::loncommon::end_data_table_header_row()."\n";
1.49      matthew  1019:     my $total = 0;
                   1020:     my $total_max = 0;
1.115     matthew  1021:     foreach my $seq (@sequences) {
1.112     matthew  1022:         my $value = $Statistics->{$seq->symb}->{'score'};
                   1023:         my $max = $Statistics->{$seq->symb}->{'max'};
1.150     bisitz   1024:         $Str .= &Apache::loncommon::start_data_table_row().
                   1025:             '<td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
1.49      matthew  1026:             '<td align="right">'.$value.'</td>'.
1.150     bisitz   1027:             '<td align="right">'.$max.'</td>'.
                   1028:             &Apache::loncommon::end_data_table_row()."\n";
1.49      matthew  1029:         $total += $value;
                   1030:         $total_max +=$max;
                   1031:     }
1.150     bisitz   1032:     $Str .= &Apache::loncommon::start_data_table_row().
                   1033:         '<td><b>'.&mt('Total').'</b></td>'.
1.49      matthew  1034:         '<td align="right">'.$total.'</td>'.
1.150     bisitz   1035:         '<td align="right">'.$total_max.'</td>'.
                   1036:         &Apache::loncommon::end_data_table_row()."\n";
                   1037:     $Str .= &Apache::loncommon::end_data_table()."\n";
1.49      matthew  1038:     return $Str;
                   1039: }
                   1040: 
1.31      matthew  1041: }
                   1042: 
                   1043: #######################################################
                   1044: #######################################################
                   1045: 
                   1046: =pod
                   1047: 
                   1048: =head2 EXCEL subroutines
                   1049: 
                   1050: =item &excel_initialize($r)
                   1051: 
                   1052: =item &excel_outputstudent($r,$student)
                   1053: 
                   1054: =item &excel_finish($r)
                   1055: 
                   1056: =cut
                   1057: 
                   1058: #######################################################
                   1059: #######################################################
                   1060: {
                   1061: 
                   1062: my $excel_sheet;
1.32      matthew  1063: my $excel_workbook;
1.117     matthew  1064: my $format;
1.32      matthew  1065: 
                   1066: my $filename;
                   1067: my $rows_output;
                   1068: my $cols_output;
                   1069: 
1.36      matthew  1070: my %prog_state; # progress window state
1.54      matthew  1071: my $request_aborted;
1.31      matthew  1072: 
1.76      matthew  1073: my $total_formula;
1.101     matthew  1074: my $maximum_formula;
1.115     matthew  1075: my %formula_data;
                   1076: 
                   1077: my $navmap;
                   1078: my @sequences;
1.76      matthew  1079: 
1.125     albertel 1080: sub excel_cleanup {
1.31      matthew  1081:     #
1.66      matthew  1082:     undef ($excel_sheet);
                   1083:     undef ($excel_workbook);
                   1084:     undef ($filename);
                   1085:     undef ($rows_output);
                   1086:     undef ($cols_output);
                   1087:     undef (%prog_state);
                   1088:     undef ($request_aborted);
1.76      matthew  1089:     undef ($total_formula);
1.101     matthew  1090:     undef ($maximum_formula);
1.66      matthew  1091:     #
1.115     matthew  1092:     undef(%formula_data);
                   1093:     #
                   1094:     undef($navmap);
                   1095:     undef(@sequences);
1.125     albertel 1096: }
                   1097: 
                   1098: sub excel_initialize {
                   1099:     my ($r) = @_;
                   1100: 
                   1101:     &excel_cleanup();
1.115     matthew  1102:     ($navmap,@sequences) = 
                   1103:         &Apache::lonstatistics::selected_sequences_with_assessments();
                   1104:     if (! ref($navmap)) {
                   1105:         # Unable to get data, so bail out
                   1106:         $r->print("<h3>".
                   1107:                   &mt('Unable to retrieve course information.').
                   1108:                   '</h3>');
                   1109:     }
                   1110:     #
1.54      matthew  1111:     my $total_columns = scalar(&get_student_fields_to_show());
1.90      matthew  1112:     my $num_students = scalar(@Apache::lonstatistics::Students);
                   1113:     #
1.115     matthew  1114:     foreach my $seq (@sequences) {
1.88      matthew  1115:         if ($chosen_output->{'every_problem'}) {
1.115     matthew  1116:             $total_columns+=&count_parts($navmap,$seq);
1.88      matthew  1117:         }
1.87      matthew  1118:         # Add 2 because we need a 'sequence_sum' and 'total' column for each
1.88      matthew  1119:         $total_columns += 2;
1.54      matthew  1120:     }
1.105     matthew  1121:     my $too_many_cols_error_message = 
                   1122:         '<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
1.171   ! raeburn  1123:         '<p class="LC_warning">'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns.  Excel allows only 255 columns in a spreadsheet.').'</p>'.$/.
1.105     matthew  1124:         '<p>'.&mt('You may consider reducing the number of <b>Sequences or Folders</b> you have selected.').'</p>'.$/.
                   1125:         '<p>'.&mt('LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the <b>Scores Summary</b> data.').'</p>'.$/;
1.87      matthew  1126:     if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
1.105     matthew  1127:         $r->print($too_many_cols_error_message);
                   1128:         $request_aborted = 1;
1.54      matthew  1129:     }
1.87      matthew  1130:     if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1.105     matthew  1131:         $r->print($too_many_cols_error_message);
                   1132:         $request_aborted = 1;
1.54      matthew  1133:     }
                   1134:     return if ($request_aborted);
                   1135:     #
1.32      matthew  1136:     #
                   1137:     $excel_workbook = undef;
                   1138:     $excel_sheet = undef;
                   1139:     #
                   1140:     $rows_output = 0;
                   1141:     $cols_output = 0;
                   1142:     #
1.90      matthew  1143:     # Determine rows 
                   1144:     my $header_row = $rows_output++;
                   1145:     my $description_row = $rows_output++;
1.109     matthew  1146:     my $notes_row = $rows_output++;
1.90      matthew  1147:     $rows_output++;        # blank row
                   1148:     my $summary_header_row;
                   1149:     if ($chosen_output->{'summary_table'}) {
                   1150:         $summary_header_row = $rows_output++;
1.115     matthew  1151:         $rows_output+= scalar(@sequences);
1.90      matthew  1152:         $rows_output++;
                   1153:     }
                   1154:     my $sequence_name_row = $rows_output++;
                   1155:     my $resource_name_row = $rows_output++;
                   1156:     my $maximum_data_row = $rows_output++;
                   1157:     if (! $chosen_output->{'maximum_row'}) {
                   1158:         $rows_output--;
                   1159:     }
                   1160:     my $first_data_row = $rows_output++;
                   1161:     #
1.32      matthew  1162:     # Create sheet
1.117     matthew  1163:     ($excel_workbook,$filename,$format)=
                   1164:         &Apache::loncommon::create_workbook($r);
                   1165:     return if (! defined($excel_workbook));
1.91      matthew  1166:     #
1.32      matthew  1167:     # Add a worksheet
1.121     albertel 1168:     my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'};
1.67      matthew  1169:     $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1.33      matthew  1170:     $excel_sheet = $excel_workbook->addworksheet($sheetname);
1.85      matthew  1171:     #
1.34      matthew  1172:     # Put the course description in the header
1.90      matthew  1173:     $excel_sheet->write($header_row,$cols_output++,
1.121     albertel 1174:                    $env{'course.'.$env{'request.course.id'}.'.description'},
1.85      matthew  1175:                         $format->{'h1'});
1.34      matthew  1176:     $cols_output += 3;
                   1177:     #
                   1178:     # Put a description of the sections listed
                   1179:     my $sectionstring = '';
1.119     matthew  1180:     my @Sections = &Apache::lonstatistics::get_selected_sections();
1.120     matthew  1181:     $excel_sheet->write($header_row,$cols_output++,
1.169     bisitz   1182:                         &Apache::lonstatistics::section_and_enrollment_description('localized'),
1.85      matthew  1183:                         $format->{'h3'});
1.34      matthew  1184:     #
                   1185:     # Put the date in there too
1.90      matthew  1186:     $excel_sheet->write($header_row,$cols_output++,
1.157     bisitz   1187:                         &mt('Compiled on [_1]',&Apache::lonlocal::locallocaltime(time)),$format->{'h3'});
1.34      matthew  1188:     #
1.54      matthew  1189:     $cols_output = 0;
1.90      matthew  1190:     $excel_sheet->write($description_row,$cols_output++,
1.157     bisitz   1191:                         &mt($chosen_output->{'shortdesc'}),
1.109     matthew  1192:                         $format->{'b'});
                   1193:     #
                   1194:     $cols_output = 0;
                   1195:     $excel_sheet->write($notes_row,$cols_output++,
                   1196:                         $chosen_output->{'non_html_notes'},
                   1197:                         $format->{'i'});
                   1198:     
1.90      matthew  1199:     ##############################################
                   1200:     # Output headings for the raw data
                   1201:     ##############################################
1.86      matthew  1202:     #
1.32      matthew  1203:     # Add the student headers
1.34      matthew  1204:     $cols_output = 0;
1.32      matthew  1205:     foreach my $field (&get_student_fields_to_show()) {
1.169     bisitz   1206:         $excel_sheet->write($resource_name_row,$cols_output++,&mt($field),
1.85      matthew  1207:                             $format->{'bold'});
1.32      matthew  1208:     }
                   1209:     #
1.54      matthew  1210:     # Add the remaining column headers
1.76      matthew  1211:     my $total_formula_string = '=0';
1.101     matthew  1212:     my $maximum_formula_string = '=0';
1.115     matthew  1213:     foreach my $seq (@sequences) {
                   1214:         my $symb = $seq->symb;
1.86      matthew  1215:         $excel_sheet->write($sequence_name_row,,
1.115     matthew  1216:                             $cols_output,$seq->compTitle,$format->{'bold'});
1.86      matthew  1217:         # Determine starting cell
1.115     matthew  1218:         $formula_data{$symb}->{'Excel:startcell'}=
1.86      matthew  1219:             &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.90      matthew  1220:             ($first_data_row,$cols_output);
1.115     matthew  1221:         $formula_data{$symb}->{'Excel:startcol'}=$cols_output;
1.87      matthew  1222:         my $count = 0;
                   1223:         if ($chosen_output->{'every_problem'}) {
1.76      matthew  1224:             # Put the names of the problems and parts into the sheet
1.115     matthew  1225:             foreach my $res (&get_resources($navmap,$seq)) {
                   1226:                 if (scalar(@{$res->parts}) > 1) {
                   1227:                     foreach my $part (@{$res->parts}) {
1.86      matthew  1228:                         $excel_sheet->write($resource_name_row,
1.54      matthew  1229:                                             $cols_output++,
1.115     matthew  1230:                                             $res->compTitle.' part '.$res->part_display($part),
1.85      matthew  1231:                                             $format->{'bold'});
1.106     matthew  1232:                         $count++;
1.54      matthew  1233:                     }
                   1234:                 } else {
1.86      matthew  1235:                     $excel_sheet->write($resource_name_row,
1.54      matthew  1236:                                         $cols_output++,
1.115     matthew  1237:                                         $res->compTitle,$format->{'bold'});
1.106     matthew  1238:                     $count++;
1.54      matthew  1239:                 }
                   1240:             }
1.79      matthew  1241:         }
1.87      matthew  1242:         # Determine ending cell
                   1243:         if ($count <= 1) {
1.115     matthew  1244:             $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
                   1245:             $formula_data{$symb}->{'Excel:endcol'}  = $formula_data{$symb}->{'Excel:startcol'};
1.87      matthew  1246:         } else {
1.115     matthew  1247:             $formula_data{$symb}->{'Excel:endcell'} = 
1.87      matthew  1248:                 &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.90      matthew  1249:                 ($first_data_row,$cols_output-1);
1.115     matthew  1250:             $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
1.87      matthew  1251:         }
                   1252:         # Create the formula for summing up this sequence
1.115     matthew  1253:         if (! exists($formula_data{$symb}->{'Excel:endcell'}) ||
                   1254:             ! defined($formula_data{$symb}->{'Excel:endcell'})) {
                   1255:             $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
                   1256:         }
1.128     bowersj2 1257: 
1.127     bowersj2 1258:         my $start = $formula_data{$symb}->{'Excel:startcell'};
                   1259:         my $end = $formula_data{$symb}->{'Excel:endcell'};
1.115     matthew  1260:         $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
1.127     bowersj2 1261:             ("=IF(COUNT($start\:$end),SUM($start\:$end),\"\")");
1.79      matthew  1262:         # Determine cell the score is held in
1.115     matthew  1263:         $formula_data{$symb}->{'Excel:scorecell'} = 
1.79      matthew  1264:             &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.90      matthew  1265:             ($first_data_row,$cols_output);
1.115     matthew  1266:         $formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
1.87      matthew  1267:         if ($chosen_output->{'base'} eq 'parts correct total') {
1.86      matthew  1268:             $excel_sheet->write($resource_name_row,$cols_output++,
1.157     bisitz   1269:                                 &mt('parts correct'),
1.85      matthew  1270:                                 $format->{'bold'});
1.87      matthew  1271:         } elsif ($chosen_output->{'sequence_sum'}) {
                   1272:             if ($chosen_output->{'correct'}) {
                   1273:                 # Only reporting the number correct, so do not call it score
                   1274:                 $excel_sheet->write($resource_name_row,$cols_output++,
1.157     bisitz   1275:                                     &mt('sum'),
1.87      matthew  1276:                                     $format->{'bold'});
                   1277:             } else {
                   1278:                 $excel_sheet->write($resource_name_row,$cols_output++,
1.157     bisitz   1279:                                     &mt('score'),
1.87      matthew  1280:                                     $format->{'bold'});
                   1281:             }
1.32      matthew  1282:         }
1.79      matthew  1283:         #
                   1284:         $total_formula_string.='+'.
                   1285:             &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.90      matthew  1286:             ($first_data_row,$cols_output-1);
1.87      matthew  1287:         if ($chosen_output->{'sequence_max'}) {
1.101     matthew  1288:             $excel_sheet->write($resource_name_row,$cols_output,
1.157     bisitz   1289:                                 &mt('maximum'),
1.87      matthew  1290:                                 $format->{'bold'});
1.115     matthew  1291:             $formula_data{$symb}->{'Excel:maxcell'} = 
1.101     matthew  1292:                 &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
                   1293:                 ($first_data_row,$cols_output);
1.115     matthew  1294:             $formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
1.101     matthew  1295:             $maximum_formula_string.='+'.
                   1296:                 &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
                   1297:                 ($first_data_row,$cols_output);
                   1298:             $cols_output++;
                   1299: 
1.87      matthew  1300:         }
                   1301:     }
                   1302:     if ($chosen_output->{'grand_total'}) {
1.157     bisitz   1303:         $excel_sheet->write($resource_name_row,$cols_output++,&mt('Total'),
1.85      matthew  1304:                             $format->{'bold'});
1.32      matthew  1305:     }
1.101     matthew  1306:     if ($chosen_output->{'grand_maximum'}) {
1.157     bisitz   1307:         $excel_sheet->write($resource_name_row,$cols_output++,&mt('Max. Total'),
1.101     matthew  1308:                             $format->{'bold'});
                   1309:     }
1.76      matthew  1310:     $total_formula = $excel_sheet->store_formula($total_formula_string);
1.101     matthew  1311:     $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1.90      matthew  1312:     ##############################################
1.87      matthew  1313:     # Output a row for MAX, if appropriate
1.90      matthew  1314:     ##############################################
                   1315:     if ($chosen_output->{'maximum_row'}) {
1.87      matthew  1316:         $cols_output = 0;
                   1317:         foreach my $field (&get_student_fields_to_show()) {
                   1318:             if ($field eq 'username' || $field eq 'fullname' || 
                   1319:                 $field eq 'id') {
                   1320:                 $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
                   1321:                                     $format->{'bold'});
                   1322:             } else {
                   1323:                 $excel_sheet->write($maximum_data_row,$cols_output++,'');
                   1324:             }
1.54      matthew  1325:         }
1.87      matthew  1326:         #
                   1327:         # Add the maximums for each sequence or assessment
                   1328:         my %total_cell_translation;
1.101     matthew  1329:         my %maximum_cell_translation;
1.115     matthew  1330:         foreach my $seq (@sequences) {
                   1331:             my $symb = $seq->symb;
                   1332:             $cols_output=$formula_data{$symb}->{'Excel:startcol'};
                   1333:             $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
1.87      matthew  1334:                 &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.115     matthew  1335:                 ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
                   1336:             $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
1.101     matthew  1337:                 &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.115     matthew  1338:                 ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
1.87      matthew  1339:             my $weight;
                   1340:             my $max = 0;
1.115     matthew  1341:             foreach my $resource (&get_resources($navmap,$seq)) {
                   1342:                 foreach my $part (@{$resource->parts}){
1.87      matthew  1343:                     $weight = 1;
                   1344:                     if ($chosen_output->{'scores'}) {
                   1345:                         $weight = &Apache::lonnet::EXT
1.128     bowersj2 1346:                             ('resource.'.$part.'.weight',$resource->symb,
1.87      matthew  1347:                              undef,undef,undef);
                   1348:                         if (!defined($weight) || ($weight eq '')) { 
                   1349:                             $weight=1;
                   1350:                         }
                   1351:                     }
                   1352:                     if ($chosen_output->{'scores'} &&
                   1353:                         $chosen_output->{'every_problem'}) {
                   1354:                         $excel_sheet->write($maximum_data_row,$cols_output++,
                   1355:                                             $weight);
1.54      matthew  1356:                     }
1.87      matthew  1357:                     $max += $weight;
1.54      matthew  1358:                 }
1.87      matthew  1359:             } 
                   1360:             #
                   1361:             if ($chosen_output->{'sequence_sum'} && 
                   1362:                 $chosen_output->{'every_problem'}) {
1.110     albertel 1363: 		my %replaceCells=
1.115     matthew  1364: 		    ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
                   1365: 		         $formula_data{$symb}->{'Excel:endcell'}.'$' =>
                   1366: 		     &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
                   1367: 		     &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
1.87      matthew  1368:                 $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1.115     matthew  1369:                                              $formula_data{$symb}->{'Excel:sum'},undef,
1.127     bowersj2 1370: 					     %replaceCells, %replaceCells);
1.110     albertel 1371: 			
1.87      matthew  1372:             } elsif ($chosen_output->{'sequence_sum'}) {
                   1373:                 $excel_sheet->write($maximum_data_row,$cols_output++,$max);
                   1374:             }
                   1375:             if ($chosen_output->{'sequence_max'}) {
                   1376:                 $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1.45      matthew  1377:             }
1.87      matthew  1378:             #
1.45      matthew  1379:         }
1.87      matthew  1380:         if ($chosen_output->{'grand_total'}) {
1.86      matthew  1381:             $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1.87      matthew  1382:                                          $total_formula,undef,
                   1383:                                          %total_cell_translation);
1.79      matthew  1384:         }
1.101     matthew  1385:         if ($chosen_output->{'grand_maximum'}) {
                   1386:             $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
                   1387:                                          $maximum_formula,undef,
1.107     matthew  1388:                                          %maximum_cell_translation);
1.101     matthew  1389:         }
1.90      matthew  1390:     } # End of MAXIMUM row output  if ($chosen_output->{'maximum_row'}) {
1.86      matthew  1391:     $rows_output = $first_data_row;
1.90      matthew  1392:     ##############################################
                   1393:     # Output summary table, which actually is above the sequence name row.
                   1394:     ##############################################
                   1395:     if ($chosen_output->{'summary_table'}) {
                   1396:         $cols_output = 0;
                   1397:         $excel_sheet->write($summary_header_row,$cols_output++,
1.157     bisitz   1398:                             &mt('Summary Table'),$format->{'bold'});
1.90      matthew  1399:         if ($chosen_output->{'maximum_row'}) {
                   1400:             $excel_sheet->write($summary_header_row,$cols_output++,
1.157     bisitz   1401:                                 &mt('Maximum'),$format->{'bold'});
1.90      matthew  1402:         }
                   1403:         $excel_sheet->write($summary_header_row,$cols_output++,
1.157     bisitz   1404:                             &mt('Average'),$format->{'bold'});
1.90      matthew  1405:         $excel_sheet->write($summary_header_row,$cols_output++,
1.157     bisitz   1406:                             &mt('Median'),$format->{'bold'});
1.90      matthew  1407:         $excel_sheet->write($summary_header_row,$cols_output++,
1.157     bisitz   1408:                             &mt('Std Dev'),$format->{'bold'});
1.90      matthew  1409:         my $row = $summary_header_row+1;
1.115     matthew  1410:         foreach my $seq (@sequences) {
                   1411:             my $symb = $seq->symb;
1.90      matthew  1412:             $cols_output = 0;
                   1413:             $excel_sheet->write($row,$cols_output++,
1.115     matthew  1414:                                 $seq->compTitle,
1.90      matthew  1415:                                 $format->{'bold'});
                   1416:             if ($chosen_output->{'maximum_row'}) {
                   1417:                 $excel_sheet->write
                   1418:                     ($row,$cols_output++,
                   1419:                      '='.
                   1420:                      &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.115     matthew  1421:                      ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
1.90      matthew  1422:                      );
                   1423:             }
                   1424:             my $range = 
                   1425:                 &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.115     matthew  1426:                 ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
1.90      matthew  1427:                 ':'.
                   1428:                 &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.115     matthew  1429:                 ($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
1.90      matthew  1430:             $excel_sheet->write($row,$cols_output++,
                   1431:                                 '=AVERAGE('.$range.')');
                   1432:             $excel_sheet->write($row,$cols_output++,
                   1433:                                 '=MEDIAN('.$range.')');
                   1434:             $excel_sheet->write($row,$cols_output++,
                   1435:                                 '=STDEV('.$range.')');
                   1436:             $row++;
                   1437:         }
                   1438:     }
                   1439:     ##############################################
                   1440:     #   Take care of non-excel initialization
                   1441:     ##############################################
1.32      matthew  1442:     #
                   1443:     # Let the user know what we are doing
                   1444:     my $studentcount = scalar(@Apache::lonstatistics::Students); 
1.121     albertel 1445:     if ($env{'form.SelectedStudent'}) {
1.85      matthew  1446:         $studentcount = '1';
                   1447:     }
1.153     bisitz   1448:     $r->print('<p>'
                   1449:              .&mt('Compiling Excel spreadsheet for [quant,_1,student]...',$studentcount)
                   1450:             ."</p>\n"
                   1451:     );
1.32      matthew  1452:     $r->rflush();
1.31      matthew  1453:     #
1.36      matthew  1454:     # Initialize progress window
1.165     www      1455:     %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$studentcount);
1.36      matthew  1456:     #
1.62      matthew  1457:     &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
                   1458:                                           'Processing first student');
1.31      matthew  1459:     return;
                   1460: }
                   1461: 
                   1462: sub excel_outputstudent {
                   1463:     my ($r,$student) = @_;
1.115     matthew  1464:     if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
                   1465:         return;
                   1466:     }
1.32      matthew  1467:     $cols_output=0;
                   1468:     #
                   1469:     # Write out student data
                   1470:     my @to_show = &get_student_fields_to_show();
                   1471:     foreach my $field (@to_show) {
1.103     matthew  1472:         my $value = $student->{$field};
                   1473:         if ($field eq 'comments') {
1.136     albertel 1474:             $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1.103     matthew  1475:                 ($student->{'username'},$student->{'domain'});
                   1476:         }
                   1477:         $excel_sheet->write($rows_output,$cols_output++,$value);
1.32      matthew  1478:     }
                   1479:     #
                   1480:     # Get student assessment data
                   1481:     my %StudentsData;
                   1482:     my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
                   1483:                                                         $student->{'domain'},
                   1484:                                                         undef,
1.121     albertel 1485:                                                    $env{'request.course.id'});
1.32      matthew  1486:     if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
                   1487:         %StudentsData = @tmp;
                   1488:     }
                   1489:     #
                   1490:     # Write out sequence scores and totals data
1.76      matthew  1491:     my %total_cell_translation;
1.101     matthew  1492:     my %maximum_cell_translation;
1.115     matthew  1493:     foreach my $seq (@sequences) {
                   1494:         my $symb = $seq->symb;
1.164     raeburn  1495:         my $randompick = $seq->randompick();
1.115     matthew  1496:         $cols_output = $formula_data{$symb}->{'Excel:startcol'};
1.76      matthew  1497:         # Keep track of cells to translate in total cell
1.115     matthew  1498:         $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} = 
1.76      matthew  1499:             &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.115     matthew  1500:                         ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
1.107     matthew  1501:         # and maximum cell
1.115     matthew  1502:         $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} = 
1.107     matthew  1503:             &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.115     matthew  1504:             ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
1.76      matthew  1505:         #
1.54      matthew  1506:         my ($performance,$performance_length,$score,$seq_max,$rawdata);
1.87      matthew  1507:         if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1.54      matthew  1508:             ($performance,$performance_length,$score,$seq_max,$rawdata) =
1.115     matthew  1509:                 &student_tries_on_sequence($student,\%StudentsData,
1.164     raeburn  1510:                                            $navmap,$seq,'no',$randompick);
1.54      matthew  1511:         } else {
                   1512:             ($performance,$performance_length,$score,$seq_max,$rawdata) =
1.115     matthew  1513:                 &student_performance_on_sequence($student,\%StudentsData,
1.129     bowersj2 1514:                                                  $navmap,$seq,'no',
1.164     raeburn  1515:                                                  $chosen_output->{ignore_weight},
                   1516:                                                  $randompick);
1.87      matthew  1517:         } 
                   1518:         if ($chosen_output->{'every_problem'}) {
                   1519:             if ($chosen_output->{'correct'}) {
                   1520:                 # only indiciate if each item is correct or not
                   1521:                 foreach my $value (@$rawdata) {
1.126     bowersj2 1522:                     # positive means correct, 0 or negative means
                   1523:                     # incorrect
                   1524:                     $value = $value > 0 ? 1 : 0;
1.87      matthew  1525:                     $excel_sheet->write($rows_output,$cols_output++,$value);
                   1526:                 }
                   1527:             } else {
                   1528:                 foreach my $value (@$rawdata) {
1.97      matthew  1529:                     if ($score eq ' ' || !defined($value)) {
                   1530:                         $cols_output++;
                   1531:                     } else {                        
                   1532:                         $excel_sheet->write($rows_output,$cols_output++,
                   1533:                                             $value);
                   1534:                     }
1.87      matthew  1535:                 }
                   1536:             }
1.54      matthew  1537:         }
1.87      matthew  1538:         if ($chosen_output->{'sequence_sum'} && 
                   1539:             $chosen_output->{'every_problem'}) {
1.76      matthew  1540:             # Write a formula for the sum of this sequence
1.110     albertel 1541:             my %replaceCells=
1.115     matthew  1542: 		('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
1.110     albertel 1543: 		 => 
1.115     matthew  1544: 		 &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
                   1545: 		 &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
1.110     albertel 1546: 		 );
                   1547:             # The undef is for the format	    
                   1548: 	    $excel_sheet->repeat_formula($rows_output,$cols_output++,
1.115     matthew  1549: 					 $formula_data{$symb}->{'Excel:sum'},undef,
1.127     bowersj2 1550: 					 %replaceCells, %replaceCells);
1.87      matthew  1551:         } elsif ($chosen_output->{'sequence_sum'}) {
1.97      matthew  1552:             if ($score eq ' ') {
                   1553:                 $cols_output++;
                   1554:             } else {
                   1555:                 $excel_sheet->write($rows_output,$cols_output++,$score);
                   1556:             }
1.32      matthew  1557:         }
1.87      matthew  1558:         if ($chosen_output->{'sequence_max'}) {
1.32      matthew  1559:             $excel_sheet->write($rows_output,$cols_output++,$seq_max);
                   1560:         }
                   1561:     }
1.76      matthew  1562:     #
1.87      matthew  1563:     if ($chosen_output->{'grand_total'}) {
                   1564:         $excel_sheet->repeat_formula($rows_output,$cols_output++,
                   1565:                                      $total_formula,undef,
                   1566:                                      %total_cell_translation);
                   1567:     }
1.101     matthew  1568:     if ($chosen_output->{'grand_maximum'}) {
                   1569:         $excel_sheet->repeat_formula($rows_output,$cols_output++,
                   1570:                                      $maximum_formula,undef,
1.107     matthew  1571:                                      %maximum_cell_translation);
1.101     matthew  1572:     }
1.32      matthew  1573:     #
                   1574:     # Bookkeeping
                   1575:     $rows_output++; 
                   1576:     $cols_output=0;
                   1577:     #
1.36      matthew  1578:     # Update the progress window
                   1579:     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.32      matthew  1580:     return;
1.31      matthew  1581: }
                   1582: 
                   1583: sub excel_finish {
                   1584:     my ($r) = @_;
1.115     matthew  1585:     if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1.125     albertel 1586: 	&excel_cleanup();
1.115     matthew  1587:         return;
                   1588:     }
1.32      matthew  1589:     #
                   1590:     # Write the excel file
                   1591:     $excel_workbook->close();
                   1592:     #
1.36      matthew  1593:     # Close the progress window
                   1594:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1595:     #
1.32      matthew  1596:     # Tell the user where to get their excel file
1.36      matthew  1597:     $r->print('<br />'.
1.153     bisitz   1598:               '<a href="'.$filename.'">'.&mt('Your Excel spreadsheet').'</a>'."\n");
1.32      matthew  1599:     $r->rflush();
1.125     albertel 1600:     &excel_cleanup();
1.32      matthew  1601:     return;
1.31      matthew  1602: }
                   1603: 
                   1604: }
1.30      matthew  1605: #######################################################
                   1606: #######################################################
                   1607: 
                   1608: =pod
                   1609: 
1.31      matthew  1610: =head2 CSV output routines
                   1611: 
                   1612: =item &csv_initialize($r)
                   1613: 
                   1614: =item &csv_outputstudent($r,$student)
                   1615: 
                   1616: =item &csv_finish($r)
1.30      matthew  1617: 
                   1618: =cut
                   1619: 
                   1620: #######################################################
                   1621: #######################################################
1.31      matthew  1622: {
                   1623: 
1.37      matthew  1624: my $outputfile;
                   1625: my $filename;
1.54      matthew  1626: my $request_aborted;
1.37      matthew  1627: my %prog_state; # progress window state
1.115     matthew  1628: my $navmap;
                   1629: my @sequences;
1.37      matthew  1630: 
1.125     albertel 1631: sub csv_cleanup {
1.66      matthew  1632:     undef($outputfile);
                   1633:     undef($filename);
                   1634:     undef($request_aborted);
1.37      matthew  1635:     undef(%prog_state);
                   1636:     #
1.115     matthew  1637:     undef($navmap);
                   1638:     undef(@sequences);
1.125     albertel 1639: }
                   1640: 
                   1641: sub csv_initialize{
                   1642:     my ($r) = @_;
                   1643: 
                   1644:     &csv_cleanup();
1.115     matthew  1645:     ($navmap,@sequences) = 
                   1646:         &Apache::lonstatistics::selected_sequences_with_assessments();
                   1647:     if (! ref($navmap)) {
                   1648:         # Unable to get data, so bail out
                   1649:         $r->print("<h3>".
                   1650:                   &mt('Unable to retrieve course information.').
                   1651:                   '</h3>');
                   1652:     }
                   1653:     #
1.54      matthew  1654:     # Deal with unimplemented requests
                   1655:     $request_aborted = undef;
1.87      matthew  1656:     if ($chosen_output->{'base'} =~ /final table/) {
1.170     bisitz   1657:         $r->print(
                   1658:             '<h2>'.&mt('Unable to Complete Request').'</h2>'
                   1659:            .'<p class="LC_warning">'
                   1660:            .&mt('The [_1]Summary Table (Scores)[_2] option'
                   1661:                .' is not available for non-HTML output.','<b>','</b>')
                   1662:            .'</p>'
                   1663:         );
1.54      matthew  1664:        $request_aborted = 1;
                   1665:     }
                   1666:     return if ($request_aborted);
1.87      matthew  1667:     #
                   1668:     # Initialize progress window
                   1669:     my $studentcount = scalar(@Apache::lonstatistics::Students);
1.165     www      1670:     %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$studentcount);
1.54      matthew  1671:     #
1.37      matthew  1672:     # Open a file
1.120     matthew  1673:     ($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv');
                   1674:     if (! defined($outputfile)) { return ''; }
1.38      matthew  1675:     #
                   1676:     # Datestamp
1.121     albertel 1677:     my $description = $env{'course.'.$env{'request.course.id'}.'.description'};
1.38      matthew  1678:     print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1.161     raeburn  1679:         '"'.&Apache::loncommon::csv_translate(scalar(&Apache::lonlocal::locallocaltime(time))).'"'.
1.38      matthew  1680:             "\n";
1.120     matthew  1681:     print $outputfile '"'.
                   1682:         &Apache::loncommon::csv_translate
                   1683:         (&Apache::lonstatistics::section_and_enrollment_description()).
                   1684:         '"'."\n";
1.109     matthew  1685:     foreach my $item ('shortdesc','non_html_notes') {
                   1686:         next if (! exists($chosen_output->{$item}));
                   1687:         print $outputfile 
                   1688:             '"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'.
                   1689:             "\n";
                   1690:     }
1.37      matthew  1691:     #
                   1692:     # Print out the headings
1.87      matthew  1693:     my $sequence_row = '';
                   1694:     my $resource_row = undef;
1.37      matthew  1695:     foreach my $field (&get_student_fields_to_show()) {
1.87      matthew  1696:         $sequence_row .='"",';
                   1697:         $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1.37      matthew  1698:     }
1.115     matthew  1699:     foreach my $seq (@sequences) {
1.87      matthew  1700:         $sequence_row .= '"'.
1.115     matthew  1701:             &Apache::loncommon::csv_translate($seq->compTitle).'",';
1.87      matthew  1702:         my $count = 0;
                   1703:         if ($chosen_output->{'every_problem'}) {
1.116     matthew  1704:             foreach my $res (&get_resources($navmap,$seq)) {
1.115     matthew  1705:                 if (scalar(@{$res->parts}) < 1) {
1.87      matthew  1706:                     next;
                   1707:                 }
1.115     matthew  1708:                 foreach my $part (@{$res->parts}) {
1.87      matthew  1709:                     $resource_row .= '"'.
1.115     matthew  1710:                         &Apache::loncommon::csv_translate
                   1711:                         ($res->compTitle.', Part '.$res->part_display($part)).'",';
1.87      matthew  1712:                     $count++;
1.53      matthew  1713:                 }
                   1714:             }
1.37      matthew  1715:         }
1.87      matthew  1716:         $sequence_row.='"",'x$count;
                   1717:         if ($chosen_output->{'sequence_sum'}) {
                   1718:             if($chosen_output->{'correct'}) {
1.157     bisitz   1719:                 $resource_row .= '"'.&mt('sum').'",';
1.87      matthew  1720:             } else {
1.157     bisitz   1721:                 $resource_row .= '"'.&mt('score').'",';
1.87      matthew  1722:             }
                   1723:         }
                   1724:         if ($chosen_output->{'sequence_max'}) {
                   1725:             $sequence_row.= '"",';
1.157     bisitz   1726:             $resource_row .= '"'.&mt('maximum possible').'",';
1.87      matthew  1727:         }
1.37      matthew  1728:     }
1.87      matthew  1729:     if ($chosen_output->{'grand_total'}) {
                   1730:         $sequence_row.= '"",';
1.157     bisitz   1731:         $resource_row.= '"'.&mt('Total').'",';
1.87      matthew  1732:     } 
1.101     matthew  1733:     if ($chosen_output->{'grand_maximum'}) {
                   1734:         $sequence_row.= '"",';
1.157     bisitz   1735:         $resource_row.= '"'.&mt('Maximum').'",';
1.101     matthew  1736:     } 
1.87      matthew  1737:     chomp($sequence_row);
                   1738:     chomp($resource_row);
                   1739:     print $outputfile $sequence_row."\n";
                   1740:     print $outputfile $resource_row."\n";
1.31      matthew  1741:     return;
                   1742: }
                   1743: 
                   1744: sub csv_outputstudent {
                   1745:     my ($r,$student) = @_;
1.115     matthew  1746:     if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
                   1747:         return;
                   1748:     }
1.37      matthew  1749:     my $Str = '';
                   1750:     #
                   1751:     # Output student fields
                   1752:     my @to_show = &get_student_fields_to_show();
                   1753:     foreach my $field (@to_show) {
1.103     matthew  1754:         my $value = $student->{$field};
                   1755:         if ($field eq 'comments') {
1.136     albertel 1756:             $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1.103     matthew  1757:                 ($student->{'username'},$student->{'domain'});
                   1758:         }        
                   1759:         $Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
1.37      matthew  1760:     }
                   1761:     #
                   1762:     # Get student assessment data
                   1763:     my %StudentsData;
                   1764:     my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
                   1765:                                                         $student->{'domain'},
                   1766:                                                         undef,
1.121     albertel 1767:                                                    $env{'request.course.id'});
1.37      matthew  1768:     if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
                   1769:         %StudentsData = @tmp;
                   1770:     }
                   1771:     #
                   1772:     # Output performance data
1.87      matthew  1773:     my $total = 0;
1.101     matthew  1774:     my $maximum = 0;
1.115     matthew  1775:     foreach my $seq (@sequences) {
1.164     raeburn  1776:         my $randompick = $seq->randompick();
1.54      matthew  1777:         my ($performance,$performance_length,$score,$seq_max,$rawdata);
1.87      matthew  1778:         if ($chosen_output->{'tries'}){
1.54      matthew  1779:             ($performance,$performance_length,$score,$seq_max,$rawdata) =
1.115     matthew  1780:                 &student_tries_on_sequence($student,\%StudentsData,
1.164     raeburn  1781:                                            $navmap,$seq,'no',$randompick);
1.54      matthew  1782:         } else {
                   1783:             ($performance,$performance_length,$score,$seq_max,$rawdata) =
1.115     matthew  1784:                 &student_performance_on_sequence($student,\%StudentsData,
1.129     bowersj2 1785:                                                  $navmap,$seq,'no',
1.164     raeburn  1786:                                                  $chosen_output->{ignore_weight},
                   1787:                                                  $randompick);
1.54      matthew  1788:         }
1.87      matthew  1789:         if ($chosen_output->{'every_problem'}) {
                   1790:             if ($chosen_output->{'correct'}) {
                   1791:                 $score = 0;
                   1792:                 # Deal with number of parts correct data
                   1793:                 $Str .= '"'.join('","',( map { if ($_>0) { 
                   1794:                                                    $score += 1;
                   1795:                                                    1; 
                   1796:                                                } else { 
                   1797:                                                    0; 
                   1798:                                                }
                   1799:                                              } @$rawdata)).'",';
                   1800:             } else {
                   1801:                 $Str .= '"'.join('","',(@$rawdata)).'",';
                   1802:             }
                   1803:         }
                   1804:         if ($chosen_output->{'sequence_sum'}) {
1.37      matthew  1805:             $Str .= '"'.$score.'",';
1.87      matthew  1806:         } 
                   1807:         if ($chosen_output->{'sequence_max'}) {
                   1808:             $Str .= '"'.$seq_max.'",';
1.37      matthew  1809:         }
1.87      matthew  1810:         $total+=$score;
1.101     matthew  1811:         $maximum += $seq_max;
1.87      matthew  1812:     }
                   1813:     if ($chosen_output->{'grand_total'}) {
                   1814:         $Str .= '"'.$total.'",';
1.101     matthew  1815:     }
                   1816:     if ($chosen_output->{'grand_maximum'}) {
                   1817:         $Str .= '"'.$maximum.'",';
1.37      matthew  1818:     }
                   1819:     chop($Str);
                   1820:     $Str .= "\n";
                   1821:     print $outputfile $Str;
                   1822:     #
                   1823:     # Update the progress window
                   1824:     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
                   1825:     return;
1.31      matthew  1826: }
                   1827: 
                   1828: sub csv_finish {
                   1829:     my ($r) = @_;
1.115     matthew  1830:     if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1.125     albertel 1831: 	&csv_cleanup();
1.115     matthew  1832:         return;
                   1833:     }
1.37      matthew  1834:     close($outputfile);
                   1835:     #
                   1836:     # Close the progress window
                   1837:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1838:     #
                   1839:     # Tell the user where to get their csv file
                   1840:     $r->print('<br />'.
1.147     bisitz   1841:               '<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
1.37      matthew  1842:     $r->rflush();
1.125     albertel 1843:     &csv_cleanup();
1.37      matthew  1844:     return;
                   1845:     
1.31      matthew  1846: }
1.2       stredwic 1847: 
                   1848: }
                   1849: 
1.132     bowersj2 1850: # This function will return an HTML string including a star, with
                   1851: # a mouseover popup showing the "real" value. An optional second
                   1852: # argument lets you show something other than a star.
                   1853: sub show_star {
                   1854:     my $popup = shift;
                   1855:     my $symbol = shift || '*';
                   1856:     # Escape the popup for JS.
                   1857:     $popup =~ s/([^-a-zA-Z0-9:;,._ ()|!\/?=&*])/'\\' . sprintf("%lo", ord($1))/ge;
                   1858:     
1.142     albertel 1859:     return "<span class=\"LC_chrt_popup_exists\" onmouseover='popup_score(this, \"$popup\");return false;' onmouseout='popdown_score();return false;'>$symbol</span>";
1.132     bowersj2 1860: }
                   1861: 
1.28      matthew  1862: #######################################################
                   1863: #######################################################
                   1864: 
1.2       stredwic 1865: =pod
                   1866: 
1.54      matthew  1867: =item &StudentTriesOnSequence()
1.2       stredwic 1868: 
1.30      matthew  1869: Inputs:
1.2       stredwic 1870: 
                   1871: =over 4
                   1872: 
1.30      matthew  1873: =item $student
1.28      matthew  1874: 
1.30      matthew  1875: =item $studentdata Hash ref to all student data
1.2       stredwic 1876: 
1.30      matthew  1877: =item $seq Hash ref, the sequence we are working on
1.2       stredwic 1878: 
1.30      matthew  1879: =item $links if defined we will output links to each resource.
1.2       stredwic 1880: 
1.28      matthew  1881: =back
1.2       stredwic 1882: 
                   1883: =cut
1.1       stredwic 1884: 
1.28      matthew  1885: #######################################################
                   1886: #######################################################
1.112     matthew  1887: sub student_tries_on_sequence {
1.164     raeburn  1888:     my ($student,$studentdata,$navmap,$seq,$links,$randompick) = @_;
1.31      matthew  1889:     $links = 'no' if (! defined($links));
1.1       stredwic 1890:     my $Str = '';
1.30      matthew  1891:     my ($sum,$max) = (0,0);
1.51      matthew  1892:     my $performance_length = 0;
1.54      matthew  1893:     my @TriesData = ();
                   1894:     my $tries;
1.97      matthew  1895:     my $hasdata = 0; # flag - true if the student has any data on the sequence
1.115     matthew  1896:     foreach my $resource (&get_resources($navmap,$seq)) {
1.112     matthew  1897:         my $resource_data = $studentdata->{$resource->symb};
1.30      matthew  1898:         my $value = '';
1.112     matthew  1899:         foreach my $partnum (@{$resource->parts()}) {
1.54      matthew  1900:             $tries = undef;
1.30      matthew  1901:             $max++;
1.51      matthew  1902:             $performance_length++;
1.30      matthew  1903:             my $symbol = ' '; # default to space
                   1904:             #
1.78      matthew  1905:             my $awarded = 0;
                   1906:             if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
                   1907:                 $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
                   1908:                 $awarded = 0 if (! $awarded);
                   1909:             }
                   1910:             #
                   1911:             my $status = '';
1.30      matthew  1912:             if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1.78      matthew  1913:                 $status = $resource_data->{'resource.'.$partnum.'.solved'};
                   1914:             }
                   1915:             #
                   1916:             my $tries = 0;
                   1917:             if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
                   1918:                 $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1.97      matthew  1919:                 $hasdata =1;
1.78      matthew  1920:             }
                   1921:             #
                   1922:             if ($awarded > 0) {
                   1923:                 # The student has gotten the problem correct to some degree
                   1924:                 if ($status eq 'excused') {
                   1925:                     $symbol = 'x';
                   1926:                     $max--;
1.137     albertel 1927:                 } elsif ($status eq 'correct_by_override' && !$resource->is_task()) {
1.30      matthew  1928:                     $symbol = '+';
                   1929:                     $sum++;
1.78      matthew  1930:                 } elsif ($tries > 0) {
1.54      matthew  1931:                     if ($tries > 9) {
1.132     bowersj2 1932:                         $symbol = show_star($tries);
1.78      matthew  1933:                     } else {
1.54      matthew  1934:                         $symbol = $tries;
1.30      matthew  1935:                     }
                   1936:                     $sum++;
                   1937:                 } else {
1.78      matthew  1938:                     $symbol = '+';
                   1939:                     $sum++;
1.2       stredwic 1940:                 }
1.30      matthew  1941:             } else {
1.78      matthew  1942:                 # The student has the problem incorrect or it is ungraded
                   1943:                 if ($status eq 'excused') {
                   1944:                     $symbol = 'x';
                   1945:                     $max--;
                   1946:                 } elsif ($status eq 'incorrect_by_override') {
                   1947:                     $symbol = '-';
                   1948:                 } elsif ($status eq 'ungraded_attempted') {
1.124     matthew  1949:                     $symbol = 'u';
1.78      matthew  1950:                 } elsif ($status eq 'incorrect_attempted' ||
                   1951:                          $tries > 0)  {
1.30      matthew  1952:                     $symbol = '.';
                   1953:                 } else {
1.78      matthew  1954:                     # Problem is wrong and has not been attempted.
                   1955:                     $symbol=' ';
1.18      matthew  1956:                 }
1.2       stredwic 1957:             }
1.54      matthew  1958:             #
1.109     matthew  1959:             if (! defined($tries)) {
                   1960:                 $tries = 0;
                   1961:             }
                   1962:             if ($status =~ /^(incorrect|ungraded)/) {
                   1963:                 # Bug 3390: show '-' for tries on incorrect problems 
                   1964:                 # (csv & excel only)
                   1965:                 push(@TriesData,-$tries);
                   1966:             } else {
                   1967:                 push (@TriesData,$tries);
1.54      matthew  1968:             }
1.30      matthew  1969:             #
1.47      matthew  1970:             if ( ($links eq 'yes' && $symbol ne ' ') ||
                   1971:                  ($links eq 'all')) {
1.134     bowersj2 1972:                 my $link = '/adm/grades'.
1.148     raeburn  1973:                     '?symb='.&escape($resource->shown_symb).
1.30      matthew  1974:                         '&student='.$student->{'username'}.
1.64      albertel 1975:                             '&userdom='.$student->{'domain'}.
1.134     bowersj2 1976:                                 '&command=submission';
                   1977:                 $symbol = &link($symbol, $link);
1.30      matthew  1978:             }
                   1979:             $value .= $symbol;
1.2       stredwic 1980:         }
1.30      matthew  1981:         $Str .= $value;
1.17      minaeibi 1982:     }
1.164     raeburn  1983:     if ($randompick) {
                   1984:         $max = $randompick;
1.51      matthew  1985:     }
1.97      matthew  1986:     if (! $hasdata && $sum == 0) {
                   1987:         $sum = ' ';
                   1988:     }
1.54      matthew  1989:     return ($Str,$performance_length,$sum,$max,\@TriesData);
                   1990: }
                   1991: 
1.134     bowersj2 1992: =pod
                   1993: 
                   1994: =item &link
                   1995: 
                   1996: Inputs:
                   1997: 
                   1998: =over 4
                   1999: 
                   2000: =item $text
                   2001: 
                   2002: =item $target
                   2003: 
                   2004: =back
                   2005: 
                   2006: Takes the text and creates a link to the $text that honors
                   2007: the value of 'new window' if clicked on, but uses a real 
                   2008: 'href' so middle and right clicks still work.
                   2009: 
                   2010: $target and $text are assumed to be already correctly escaped; i.e., it
                   2011: can be dumped out directly into the output stream as-is.
                   2012: 
                   2013: =cut
                   2014: 
                   2015: sub link {
                   2016:     my ($text,$target) = @_;
                   2017:     return 
                   2018:         "<a href='$target' onclick=\"t=this.href;if(new_window)"
                   2019:         ."{window.open(t)}else{return void(window."
                   2020:         ."location=t)};return false;\">$text</a>";
                   2021: }
                   2022: 
1.54      matthew  2023: #######################################################
                   2024: #######################################################
                   2025: 
                   2026: =pod
                   2027: 
1.115     matthew  2028: =item &student_performance_on_sequence
1.54      matthew  2029: 
                   2030: Inputs:
                   2031: 
                   2032: =over 4
                   2033: 
                   2034: =item $student
                   2035: 
                   2036: =item $studentdata Hash ref to all student data
                   2037: 
                   2038: =item $seq Hash ref, the sequence we are working on
                   2039: 
                   2040: =item $links if defined we will output links to each resource.
                   2041: 
                   2042: =back
                   2043: 
                   2044: =cut
                   2045: 
                   2046: #######################################################
                   2047: #######################################################
1.112     matthew  2048: sub student_performance_on_sequence {
1.164     raeburn  2049:     my ($student,$studentdata,$navmap,$seq,$links,$awarded_only,$randompick) = @_;
1.54      matthew  2050:     $links = 'no' if (! defined($links));
                   2051:     my $Str = ''; # final result string
                   2052:     my ($score,$max) = (0,0);
                   2053:     my $performance_length = 0;
                   2054:     my $symbol;
                   2055:     my @ScoreData = ();
                   2056:     my $partscore;
1.97      matthew  2057:     my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
1.164     raeburn  2058:     my %ptsfreq;
1.115     matthew  2059:     foreach my $resource (&get_resources($navmap,$seq)) {
1.112     matthew  2060:         my $symb = $resource->symb;
                   2061:         my $resource_data = $studentdata->{$symb};
1.164     raeburn  2062:         my $resmax = 0;
1.112     matthew  2063:         foreach my $part (@{$resource->parts()}) {
1.54      matthew  2064:             $partscore = undef;
1.129     bowersj2 2065:             my $weight;
                   2066:             if (!$awarded_only){
                   2067:                 $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
                   2068:                                                $symb,
                   2069:                                                $student->{'domain'},
                   2070:                                                $student->{'username'},
                   2071:                                                $student->{'section'});
                   2072:             }
1.54      matthew  2073:             if (!defined($weight) || ($weight eq '')) { 
                   2074:                 $weight=1;
                   2075:             }
                   2076:             #
                   2077:             $max += $weight; # see the 'excused' branch below...
1.164     raeburn  2078:             $resmax += $weight;
1.54      matthew  2079:             $performance_length++; # one character per part
                   2080:             $symbol = ' '; # default to space
                   2081:             #
1.97      matthew  2082:             my $awarded;
1.54      matthew  2083:             if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
                   2084:                 $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1.67      matthew  2085:                 $awarded = 0 if (! $awarded);
1.97      matthew  2086:                 $hasdata = 1;
1.54      matthew  2087:             }
                   2088:             #
1.131     albertel 2089:             $partscore = &Apache::grades::compute_points($weight,$awarded);
1.97      matthew  2090:             if (! defined($awarded)) {
                   2091:                 $partscore = undef;
                   2092:             }
1.54      matthew  2093:             $score += $partscore;
1.63      matthew  2094:             $symbol = $partscore; 
1.70      matthew  2095:             if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
                   2096:                 $symbol = sprintf("%.0f",$symbol);
                   2097:             }
1.54      matthew  2098:             if (length($symbol) > 1) {
1.132     bowersj2 2099:                 $symbol = show_star($symbol);
1.54      matthew  2100:             }
1.124     matthew  2101:             if (exists($resource_data->{'resource.'.$part.'.solved'}) &&
                   2102:                 $resource_data->{'resource.'.$part.'.solved'} ne '') {
1.54      matthew  2103:                 my $status = $resource_data->{'resource.'.$part.'.solved'};
                   2104:                 if ($status eq 'excused') {
                   2105:                     $symbol = 'x';
                   2106:                     $max -= $weight; # Do not count 'excused' problems.
1.124     matthew  2107:                 } elsif ($status eq 'ungraded_attempted') {
                   2108:                     $symbol = 'u';
1.54      matthew  2109:                 }
1.97      matthew  2110:                 $hasdata = 1;
1.124     matthew  2111:             } elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') {
                   2112:                 $symbol = 'd';
                   2113:                 $hasdata = 1;
1.111     matthew  2114:             } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
1.54      matthew  2115:                 # Unsolved.  Did they try?
                   2116:                 if (exists($resource_data->{'resource.'.$part.'.tries'})){
                   2117:                     $symbol = '.';
1.97      matthew  2118:                     $hasdata = 1;
1.54      matthew  2119:                 } else {
                   2120:                     $symbol = ' ';
                   2121:                 }
                   2122:             }
                   2123:             #
1.60      matthew  2124:             if (! defined($partscore)) {
                   2125:                 $partscore = $symbol;
                   2126:             }
                   2127:             push (@ScoreData,$partscore);
                   2128:             #
1.54      matthew  2129:             if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1.134     bowersj2 2130:                 my $link = '/adm/grades' .
1.148     raeburn  2131:                     '?symb='.&escape($resource->shown_symb).
1.54      matthew  2132:                     '&student='.$student->{'username'}.
1.64      albertel 2133:                     '&userdom='.$student->{'domain'}.
1.134     bowersj2 2134:                     '&command=submission';
                   2135:                 $symbol = &link($symbol, $link);
1.54      matthew  2136:             }
1.60      matthew  2137:             $Str .= $symbol;
1.54      matthew  2138:         }
1.164     raeburn  2139:         if ($ptsfreq{$resmax}) {
                   2140:             $ptsfreq{$resmax} ++;
                   2141:         } else {
                   2142:             $ptsfreq{$resmax} = 1;
                   2143:         }
                   2144:     }
                   2145:     if ($randompick) {
                   2146:         my @uniquetotals = keys(%ptsfreq);
                   2147:         if ((@uniquetotals = 1) && ($ptsfreq{$uniquetotals[0]} > 0)) {
                   2148:             $max = $max * $randompick/$ptsfreq{$uniquetotals[0]};
                   2149:         }
1.97      matthew  2150:     }
                   2151:     if (! $hasdata && $score == 0) {
                   2152:         $score = ' ';
1.54      matthew  2153:     }
                   2154:     return ($Str,$performance_length,$score,$max,\@ScoreData);
1.1       stredwic 2155: }
1.23      minaeibi 2156: 
1.28      matthew  2157: #######################################################
                   2158: #######################################################
1.23      minaeibi 2159: 
1.2       stredwic 2160: =pod
                   2161: 
                   2162: =item &CreateLegend()
                   2163: 
                   2164: This function returns a formatted string containing the legend for the
                   2165: chart.  The legend describes the symbols used to represent grades for
                   2166: problems.
                   2167: 
                   2168: =cut
                   2169: 
1.28      matthew  2170: #######################################################
                   2171: #######################################################
1.2       stredwic 2172: sub CreateLegend {
                   2173:     my $Str = "<p><pre>".
1.124     matthew  2174:               " digit score or number of tries to get correct ".
1.12      minaeibi 2175:               "   *  correct by student in more than 9 tries\n".
1.20      minaeibi 2176: 	      "   +  correct by hand grading or override\n".
1.12      minaeibi 2177:               "   -  incorrect by override\n".
                   2178: 	      "   .  incorrect attempted\n".
1.124     matthew  2179: 	      "   u  ungraded attempted\n".
                   2180:               "   d  draft answer saved but not submitted\n".
1.13      minaeibi 2181:               "      not attempted (blank field)\n".
1.12      minaeibi 2182: 	      "   x  excused".
1.17      minaeibi 2183:               "</pre><p>";
1.2       stredwic 2184:     return $Str;
                   2185: }
                   2186: 
1.28      matthew  2187: #######################################################
                   2188: #######################################################
                   2189: 
1.30      matthew  2190: =pod 
1.2       stredwic 2191: 
                   2192: =back
                   2193: 
                   2194: =cut
                   2195: 
1.28      matthew  2196: #######################################################
                   2197: #######################################################
1.2       stredwic 2198: 
1.28      matthew  2199: 1;
1.2       stredwic 2200: 
1.1       stredwic 2201: __END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>