Annotation of loncom/interface/statistics/lonstudentassessment.pm, revision 1.43
1.1 stredwic 1: # The LearningOnline Network with CAPA
2: #
1.43 ! matthew 3: # $Id: lonstudentassessment.pm,v 1.42 2003/03/12 20:53:53 matthew 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;
1.28 matthew 53: use Apache::lonstatistics;
1.1 stredwic 54: use Apache::lonhtmlcommon;
55: use Apache::loncoursedata;
1.28 matthew 56: use Apache::lonnet; # for logging porpoises
1.31 matthew 57: use Spreadsheet::WriteExcel;
58:
59: #######################################################
60: #######################################################
61: =pod
62:
63: =item Package Variables
64:
65: =over 4
66:
67: =item $Statistics Hash ref to store student data. Indexed by symb,
68: contains hashes with keys 'score' and 'max'.
69:
70: =cut
71:
72: #######################################################
73: #######################################################
1.1 stredwic 74:
1.30 matthew 75: my $Statistics;
76:
1.28 matthew 77: #######################################################
78: #######################################################
79:
80: =pod
81:
1.31 matthew 82: =item $show_links 'yes' or 'no' for linking to student performance data
83:
84: =item $output_mode 'html', 'excel', or 'csv' for output mode
85:
1.32 matthew 86: =item $show 'all', 'totals', or 'scores' determines how much data is output
1.31 matthew 87:
88: =cut
89:
90: #######################################################
91: #######################################################
92: my $show_links;
93: my $output_mode;
94: my $show;
1.28 matthew 95:
1.31 matthew 96: #######################################################
97: #######################################################
98: # End of package variable declarations
1.28 matthew 99:
1.31 matthew 100: =pod
1.28 matthew 101:
1.31 matthew 102: =back
1.28 matthew 103:
1.31 matthew 104: =cut
1.28 matthew 105:
1.31 matthew 106: #######################################################
107: #######################################################
1.28 matthew 108:
1.31 matthew 109: =pod
1.28 matthew 110:
1.31 matthew 111: =item &BuildStudentAssessmentPage()
1.28 matthew 112:
1.31 matthew 113: Inputs:
1.4 stredwic 114:
1.31 matthew 115: =over 4
1.28 matthew 116:
117: =item $r Apache Request
118:
119: =item $c Apache Connection
120:
121: =back
122:
123: =cut
124:
125: #######################################################
126: #######################################################
1.1 stredwic 127: sub BuildStudentAssessmentPage {
1.30 matthew 128: my ($r,$c)=@_;
129: undef($Statistics);
130: #
1.31 matthew 131: # Print out the HTML headers for the interface
132: # This also parses the output mode selector
133: # This step must always be done.
1.30 matthew 134: $r->print(&CreateInterface());
1.31 matthew 135: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
1.7 stredwic 136: $r->rflush();
1.31 matthew 137: if (! exists($ENV{'form.notfirstrun'})) {
138: $r->print(<<ENDMSG);
139: <p>
140: <font size="+1">
141: Please make your selections in the boxes above and hit
142: the button marked "Update Display".
143: </font>
144: </p>
145: ENDMSG
1.33 matthew 146: # $r->print(&OutputDescriptions());
1.31 matthew 147: return;
148: }
149: #
150: #
151: my $initialize = \&html_initialize;
152: my $output_student = \&html_outputstudent;
153: my $finish = \&html_finish;
154: #
155: if ($output_mode eq 'excel') {
156: $initialize = \&excel_initialize;
157: $output_student = \&excel_outputstudent;
158: $finish = \&excel_finish;
1.35 matthew 159: } elsif ($output_mode eq 'multi-sheet excel') {
160: $initialize = \&multi_sheet_excel_initialize;
161: $output_student = \&multi_sheet_excel_outputstudent;
162: $finish = \&multi_sheet_excel_finish;
1.31 matthew 163: } elsif ($output_mode eq 'csv') {
164: $initialize = \&csv_initialize;
165: $output_student = \&csv_outputstudent;
166: $finish = \&csv_finish;
167: }
1.30 matthew 168: #
169: if($c->aborted()) { return ; }
1.31 matthew 170: #
171: # Call the initialize routine selected above
172: $initialize->($r);
1.30 matthew 173: foreach my $student (@Apache::lonstatistics::Students) {
1.31 matthew 174: if($c->aborted()) {
175: $finish->($r);
176: return ;
1.1 stredwic 177: }
1.31 matthew 178: # Call the output_student routine selected above
179: $output_student->($r,$student);
180: }
181: # Call the "finish" routine selected above
182: $finish->($r);
183: #
184: return;
185: }
186:
187: #######################################################
188: #######################################################
1.30 matthew 189:
1.31 matthew 190: sub get_student_fields_to_show {
191: my @to_show = @Apache::lonstatistics::SelectedStudentData;
192: foreach (@to_show) {
193: if ($_ eq 'all') {
194: @to_show = @Apache::lonstatistics::StudentDataOrder;
195: last;
196: }
197: }
198: return @to_show;
199: }
200:
1.28 matthew 201: #######################################################
202: #######################################################
203:
204: =pod
1.2 stredwic 205:
1.28 matthew 206: =item &CreateInterface()
1.21 minaeibi 207:
1.28 matthew 208: Called by &BuildStudentAssessmentPage to create the top part of the
209: page which displays the chart.
210:
1.30 matthew 211: Inputs: None
1.28 matthew 212:
213: Returns: A string containing the HTML for the headers and top table for
214: the chart page.
215:
216: =cut
217:
218: #######################################################
219: #######################################################
1.2 stredwic 220: sub CreateInterface {
1.4 stredwic 221: my $Str = '';
1.30 matthew 222: # $Str .= &CreateLegend();
223: $Str .= '<table cellspacing="5">'."\n";
224: $Str .= '<tr>';
225: $Str .= '<td align="center"><b>Sections</b></td>';
226: $Str .= '<td align="center"><b>Student Data</b></td>';
1.41 matthew 227: $Str .= '<td align="center"><b>Sequences and Folders</b></td>';
1.31 matthew 228: $Str .= '<td align="center"><b>Output Format</b></td>';
1.30 matthew 229: $Str .= '</tr>'."\n";
230: #
1.4 stredwic 231: $Str .= '<tr><td align="center">'."\n";
1.29 matthew 232: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1.4 stredwic 233: $Str .= '</td><td align="center">';
1.30 matthew 234: my $only_seq_with_assessments = sub {
235: my $s=shift;
236: if ($s->{'num_assess'} < 1) {
237: return 0;
238: } else {
239: return 1;
240: }
241: };
242: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
243: 5,undef);
1.4 stredwic 244: $Str .= '</td><td>'."\n";
1.30 matthew 245: $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
246: $only_seq_with_assessments);
1.31 matthew 247: $Str .= '</td><td>'."\n";
248: $Str .= &CreateAndParseOutputSelector();
1.30 matthew 249: $Str .= '</td></tr>'."\n";
250: $Str .= '</table>'."\n";
1.4 stredwic 251: return $Str;
1.1 stredwic 252: }
1.30 matthew 253:
254: #######################################################
255: #######################################################
256:
257: =pod
258:
1.31 matthew 259: =item &CreateAndParseOutputSelector()
1.30 matthew 260:
261: =cut
262:
263: #######################################################
264: #######################################################
1.32 matthew 265: my @OutputOptions =
266: ({ name => 'HTML, with links',
267: value => 'html, with links',
1.33 matthew 268: description => 'Output HTML with each symbol linked to the problem '.
1.35 matthew 269: 'which generated it.',
270: mode => 'html',
271: show => 'all',
272: show_links => 'yes',
273: },
1.32 matthew 274: { name => 'HTML, without links',
275: value => 'html, without links',
1.33 matthew 276: description => 'Output HTML. By not including links, the size of the'.
277: ' web page is greatly reduced. If your browser crashes on the '.
1.35 matthew 278: 'full display, try this.',
279: mode => 'html',
280: show => 'all',
281: show_links => 'no',
282: },
1.33 matthew 283: { name => 'HTML, scores only',
284: value => 'html, scores only',
285: description => 'Output HTML, only showing the total number of correct'.
286: ' problems (or problem parts) and not the maximum possible for '.
1.35 matthew 287: 'each student',
288: mode => 'html',
289: show => 'scores',
290: show_links => 'no',
291: },
1.32 matthew 292: { name => 'HTML, totals',
293: value => 'html, totals',
1.33 matthew 294: description => 'Output HTML, but only the summary statistics for each'.
1.39 matthew 295: ' sequence selected for each student.',
1.35 matthew 296: mode => 'html',
297: show => 'totals',
298: show_links => 'no',
299: },
1.39 matthew 300: { name => 'HTML, summary table only',
301: value => 'html summary table only',
302: description => 'Output HTML, but only the final summary table for '.
303: 'all students across all sequences.',
304: mode => 'html',
305: show => 'final table',
306: show_links => 'no',
307: },
1.33 matthew 308: { name => 'Excel, scores only',
309: value => 'excel, scores only',
310: description => 'Output an Excel file (compatable with Excel 95), '.
311: 'with a single column for each sequence showing the students '.
1.35 matthew 312: 'score.',
313: mode => 'excel',
314: show => 'scores',
315: show_links => 'no',
316: },
1.32 matthew 317: { name => 'Excel, totals',
318: value => 'excel, totals',
1.33 matthew 319: description => 'Output an Excel file (compatable with Excel 95), '.
320: 'with two columns for each sequence, the students score on the '.
1.35 matthew 321: 'sequence and the students maximum possible on the sequence',
322: mode => 'excel',
323: show => 'totals',
324: show_links => 'no',
325: },
326: { name => 'multi-sheet Excel',
327: value => 'multi-sheet excel',
328: description => 'Output an Excel file (compatable with Excel 95), '.
329: 'with a seperate worksheet for each sequence you have selected '.
330: 'the data for each problem part '.
331: '(number of tries, status, points awarded) will be listed.',
332: mode => 'multi-sheet excel',
333: show => 'totals',
334: show_links => 'no',
335: },
336: { name => 'multi-sheet Excel, by section',
337: value => 'multi-sheet excel, by section',
338: description => 'Output an Excel file (compatable with Excel 95), '.
339: 'with a seperate worksheet for each sequence you have selected '.
340: 'the data for each problem part '.
341: '(number of tries, status, points awarded) will be listed. '.
342: 'There will be one Excel workbook for each section selected.',
343: mode => 'multi-sheet excel',
344: show => 'by section',
345: show_links => 'no',
346: },
1.33 matthew 347: { name => 'CSV, everything',
348: value => 'csv, everything',
1.35 matthew 349: description => '',
350: mode => 'csv',
351: show => 'all',
352: show_links => 'no',
353: },
1.33 matthew 354: { name => 'CSV, scores only',
355: value => 'csv, scores only',
1.35 matthew 356: description => '',
357: mode => 'csv',
358: show => 'scores',
359: show_links => 'no',
360: },
1.32 matthew 361: { name => 'CSV, totals',
362: value => 'csv, totals',
1.35 matthew 363: description => '',
364: mode => 'csv',
365: show => 'totals',
366: show_links => 'no',
367: },
1.32 matthew 368: );
369:
1.33 matthew 370: sub OutputDescriptions {
371: my $Str = '';
372: $Str .= "<h2>Output Modes</h2>\n";
373: $Str .= "<dl>\n";
374: foreach my $outputmode (@OutputOptions) {
375: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
376: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
377: }
378: $Str .= "</dl>\n";
379: return $Str;
380: }
381:
1.31 matthew 382: sub CreateAndParseOutputSelector {
383: my $Str = '';
384: my $elementname = 'outputmode';
385: #
386: # Format for output options is 'mode, restrictions';
387: my $selected = 'html, with links';
388: if (exists($ENV{'form.'.$elementname})) {
389: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
390: $selected = $ENV{'form.'.$elementname}->[0];
391: } else {
392: $selected = $ENV{'form.'.$elementname};
393: }
394: }
395: #
396: # Set package variables describing output mode
397: $show_links = 'no';
398: $output_mode = 'html';
399: $show = 'all';
1.35 matthew 400: foreach my $option (@OutputOptions) {
401: next if ($option->{'value'} ne $selected);
402: $output_mode = $option->{'mode'};
403: $show = $option->{'show'};
404: $show_links = $option->{'show_links'};
1.31 matthew 405: }
1.35 matthew 406:
1.31 matthew 407: #
408: # Build the form element
409: $Str = qq/<select size="5" name="$elementname">/;
1.32 matthew 410: foreach my $option (@OutputOptions) {
411: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
412: $Str .= " selected " if ($option->{'value'} eq $selected);
413: $Str .= ">".$option->{'name'}."<\/option>";
1.31 matthew 414: }
415: $Str .= "\n</select>";
416: return $Str;
417: }
1.30 matthew 418:
1.28 matthew 419: #######################################################
420: #######################################################
1.1 stredwic 421:
1.28 matthew 422: =pod
423:
1.31 matthew 424: =head2 HTML output routines
1.28 matthew 425:
1.31 matthew 426: =item &html_initialize($r)
1.28 matthew 427:
1.31 matthew 428: Create labels for the columns of student data to show.
1.28 matthew 429:
1.31 matthew 430: =item &html_outputstudent($r,$student)
1.28 matthew 431:
1.31 matthew 432: Return a line of the chart for a student.
1.28 matthew 433:
1.31 matthew 434: =item &html_finish($r)
1.28 matthew 435:
436: =cut
437:
438: #######################################################
439: #######################################################
1.31 matthew 440: {
441: my $padding;
442: my $count;
443:
1.39 matthew 444: my $nodata_count; # The number of students for which there is no data
445: my %prog_state; # progress state used by loncommon PrgWin routines
446:
1.31 matthew 447: sub html_initialize {
448: my ($r) = @_;
1.30 matthew 449: #
450: $padding = ' 'x3;
1.35 matthew 451: $count = 0;
1.39 matthew 452: $nodata_count = 0;
1.30 matthew 453: #
1.38 matthew 454: $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
455: " ".localtime(time)."</h3>");
1.39 matthew 456:
457: #
458: # Set up progress window for 'final table' display only
459: if ($show eq 'final table') {
460: my $studentcount = scalar(@Apache::lonstatistics::Students);
461: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
462: ($r,'Summary Table Status',
463: 'Summary Table Compilation Progress', $studentcount);
464: }
1.31 matthew 465: my $Str = "<pre>\n";
1.30 matthew 466: # First, the @StudentData fields need to be listed
1.31 matthew 467: my @to_show = &get_student_fields_to_show();
1.30 matthew 468: foreach my $field (@to_show) {
469: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
470: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
471: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
472: $Str .= $title.' 'x($width-$base).$padding;
473: }
474: # Now the selected sequences need to be listed
1.40 matthew 475: foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
1.31 matthew 476: my $title = $sequence->{'title'};
477: my $base = $sequence->{'base_width'};
478: my $width = $sequence->{'width'};
479: $Str .= $title.' 'x($width-$base).$padding;
1.30 matthew 480: }
1.31 matthew 481: $Str .= "total (of shown problems)</pre>\n";
482: $Str .= "<pre>";
1.39 matthew 483: #
484: # Check for suppression of output
485: if ($show eq 'final table') {
486: $Str = '';
487: }
1.31 matthew 488: $r->print($Str);
489: $r->rflush();
490: return;
1.30 matthew 491: }
492:
1.31 matthew 493: sub html_outputstudent {
494: my ($r,$student) = @_;
1.2 stredwic 495: my $Str = '';
1.35 matthew 496: #
497: if($count++ % 5 == 0 && $count > 0) {
498: $r->print("</pre><pre>");
499: }
1.30 matthew 500: # First, the @StudentData fields need to be listed
1.31 matthew 501: my @to_show = &get_student_fields_to_show();
1.30 matthew 502: foreach my $field (@to_show) {
503: my $title=$student->{$field};
1.31 matthew 504: my $base = length($title);
1.30 matthew 505: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
506: $Str .= $title.' 'x($width-$base).$padding;
507: }
508: # Get ALL the students data
509: my %StudentsData;
510: my @tmp = &Apache::loncoursedata::get_current_state
511: ($student->{'username'},$student->{'domain'},undef,
512: $ENV{'request.course.id'});
513: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
514: %StudentsData = @tmp;
515: }
516: if (scalar(@tmp) < 1) {
1.39 matthew 517: $nodata_count++;
518: return if ($show eq 'final table');
1.30 matthew 519: $Str .= '<font color="blue">No Course Data</font>'."\n";
1.31 matthew 520: $r->print($Str);
521: $r->rflush();
522: return;
1.30 matthew 523: }
524: #
525: # By sequence build up the data
526: my $studentstats;
1.31 matthew 527: my $PerformanceStr = '';
1.40 matthew 528: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.31 matthew 529: my ($performance,$score,$seq_max) =
530: &StudentPerformanceOnSequence($student,\%StudentsData,
531: $seq,$show_links);
532: my $ratio = $score.'/'.$seq_max;
533: #
534: if ($show eq 'totals') {
535: $performance = ' 'x(length($seq_max)-length($score)).$ratio;
536: $performance .= ' 'x($seq->{'width'}-length($performance));
1.32 matthew 537: } elsif ($show eq 'scores') {
538: $performance = $score;
539: $performance .= ' 'x($seq->{'width'}-length($performance));
1.31 matthew 540: } else {
541: # Pad with extra spaces
542: $performance .= ' 'x($seq->{'width'}-$seq_max-
543: length($ratio)
544: ).$ratio;
1.30 matthew 545: }
1.31 matthew 546: #
547: $Str .= $performance.$padding;
548: #
549: $studentstats->{$seq->{'symb'}}->{'score'}= $score;
550: $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
1.30 matthew 551: }
552: #
553: # Total it up and store the statistics info.
554: my ($score,$max) = (0,0);
555: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
556: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
557: $Statistics->{$symb}->{'max'} += $seq_stats->{'max'};
558: $score += $seq_stats->{'score'};
559: $max += $seq_stats->{'max'};
560: }
1.31 matthew 561: $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;
1.30 matthew 562: $Str .= " \n";
1.39 matthew 563: #
564: # Check for suppressed output and update the progress window if so...
565: if ($show eq 'final table') {
566: $Str = '';
567: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
568: 'last student');
569: }
570: #
1.31 matthew 571: $r->print($Str);
572: #
573: $r->rflush();
574: return;
1.30 matthew 575: }
1.2 stredwic 576:
1.31 matthew 577: sub html_finish {
578: my ($r) = @_;
1.39 matthew 579: #
580: # Check for suppressed output and close the progress window if so
581: if ($show eq 'final table') {
582: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
583: } else {
584: $r->print("</pre>\n");
585: }
586: $r->print(&StudentAverageTotal());
1.31 matthew 587: $r->rflush();
588: return;
589: }
590:
1.39 matthew 591: sub StudentAverageTotal {
592: my $Str = "<h3>Summary Tables</h3>\n";
593: my $num_students = scalar(@Apache::lonstatistics::Students);
594: my $total_ave = 0;
595: my $total_max = 0;
596: $Str .= '<table border=2 cellspacing="1">'."\n";
597: $Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";
1.40 matthew 598: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.42 matthew 599: my $ave;
600: if ($num_students > $nodata_count) {
601: $ave = int(100*($Statistics->{$seq->{'symb'}}->{'score'}/
602: ($num_students-$nodata_count)))/100;
603: } else {
604: $ave = 0;
605: }
1.39 matthew 606: $total_ave += $ave;
607: my $max = $seq->{'num_assess_parts'};
608: $total_max += $max;
609: if ($ave == 0) {
610: $ave = "0.00";
611: }
612: $ave .= ' ';
613: $max .= ' ';
614: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
615: '<td align="right">'.$ave.'</td>'.
616: '<td align="right">'.$max.'</td></tr>'."\n";
617: }
618: $total_ave = int(100*$total_ave)/100; # only two digit
619: $Str .= "</table>\n";
620: $Str .= '<table border=2 cellspacing="1">'."\n";
621: $Str .= '<tr><th>Number of Students</th><th>Average</th>'.
622: "<th>Maximum</th></tr>\n";
623: $Str .= '<tr><td>'.($num_students-$nodata_count).'</td>'.
624: '<td>'.$total_ave.'</td><td>'.$total_max.'</td>';
625: $Str .= "</table>\n";
626: return $Str;
627: }
628:
1.31 matthew 629: }
630:
1.35 matthew 631: #######################################################
632: #######################################################
633:
634: =pod
635:
636: =head2 Multi-Sheet EXCEL subroutines
637:
638: =item &multi_sheet_excel_initialize($r)
639:
640: =item &multi_sheet_excel_outputstudent($r,$student)
641:
642: =item &multi_sheet_excel_finish($r)
643:
644: =cut
645:
646: #######################################################
647: #######################################################
648: {
649:
650: sub multi_sheet_excel_initialize {
651: my ($r)=@_;
652: $r->print("<h1>Not yet implemented</h1>");
653: #
654: # Estimate the size of the file. We would like to have < 5 megs of data.
655: my $max_size = 5000000;
656: my $num_students = scalar(@Apache::lonstatistics::Students);
657: my $num_sequences = 0;
658: my $num_data_per_part = 2; # 'status' and 'numtries'
659: my $fields_per_student = scalar(&get_student_fields_to_show());
660: my $bytes_per_field = 20; # Back of the envelope calculation
1.40 matthew 661: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.35 matthew 662: $num_sequences++ if ($seq->{'num_assess'} > 0);
663: $fields_per_student += $num_data_per_part * $seq->{'num_assess_parts'};
664: }
665: my $size_estimate = $fields_per_student*$num_students*$bytes_per_field;
666: #
667: # Compute number of workbooks
668: my $num_workbooks = 1;
669: if ($size_estimate > $max_size) { # try to stay under 5 megs
670: $num_workbooks += int($size_estimate / $max_size);
671: }
672: if ($show eq 'by section') {
673: if (@Apache::lonstatistics::SelectedSections > 1 &&
674: $Apache::lonstatistics::SelectedSections[0] ne 'all') {
675: $num_workbooks = scalar(@Apache::lonstatistics::SelectedSections);
676: } else {
677: # @Apache::lonstatistics::Sections contains 'all' as well.
678: $num_workbooks = scalar(@Apache::lonstatistics::Sections) - 1;
679: }
680: }
681:
682: $r->print("Maximum allowed size: ".$max_size." bytes<br />");
683: $r->print("Number of students: ".$num_students."<br />");
684: $r->print("Number of fields per student: ".$fields_per_student."<br />");
685: $r->print("Total number of fields: ".($fields_per_student*$num_students).
686: "<br />");
687: $r->print("Bytes per field: ".$bytes_per_field." (estimated)"."<br />");
688: $r->print("Estimated size: ".$size_estimate." bytes<br />");
689: $r->print("Number of workbooks: ".$num_workbooks."<br />");
690: $r->rflush();
691: return;
692: }
693:
694: sub multi_sheet_excel_outputstudent {
695: my ($r,$student) = @_;
696: }
697:
698: sub multi_sheet_excel_finish {
699: my ($r) = @_;
700: }
701:
702: }
1.31 matthew 703: #######################################################
704: #######################################################
705:
706: =pod
707:
708: =head2 EXCEL subroutines
709:
710: =item &excel_initialize($r)
711:
712: =item &excel_outputstudent($r,$student)
713:
714: =item &excel_finish($r)
715:
716: =cut
717:
718: #######################################################
719: #######################################################
720: {
721:
722: my $excel_sheet;
1.32 matthew 723: my $excel_workbook;
724:
725: my $filename;
726: my $rows_output;
727: my $cols_output;
728:
1.36 matthew 729: my %prog_state; # progress window state
1.31 matthew 730:
731: sub excel_initialize {
732: my ($r) = @_;
733: #
1.32 matthew 734: $filename = '/prtspool/'.
1.31 matthew 735: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
736: time.'_'.rand(1000000000).'.xls';
1.32 matthew 737: #
738: $excel_workbook = undef;
739: $excel_sheet = undef;
740: #
741: $rows_output = 0;
742: $cols_output = 0;
743: #
744: # Create sheet
745: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
746: #
747: # Check for errors
748: if (! defined($excel_workbook)) {
1.31 matthew 749: $r->log_error("Error creating excel spreadsheet $filename: $!");
750: $r->print("Problems creating new Excel file. ".
751: "This error has been logged. ".
752: "Please alert your LON-CAPA administrator");
1.32 matthew 753: return ;
1.31 matthew 754: }
755: #
756: # The excel spreadsheet stores temporary data in files, then put them
757: # together. If needed we should be able to disable this (memory only).
758: # The temporary directory must be specified before calling 'addworksheet'.
759: # File::Temp is used to determine the temporary directory.
1.32 matthew 760: $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
761: #
762: # Add a worksheet
1.33 matthew 763: my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
764: if (length($sheetname) > 31) {
765: $sheetname = substr($sheetname,0,31);
766: }
767: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1.32 matthew 768: #
1.34 matthew 769: # Put the course description in the header
770: $excel_sheet->write($rows_output,$cols_output++,
771: $ENV{'course.'.$ENV{'request.course.id'}.'.description'});
772: $cols_output += 3;
773: #
774: # Put a description of the sections listed
775: my $sectionstring = '';
776: my @Sections = @Apache::lonstatistics::SelectedSections;
777: if (scalar(@Sections) > 1) {
778: if (scalar(@Sections) > 2) {
779: my $last = pop(@Sections);
780: $sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
781: } else {
782: $sectionstring = "Sections ".join(' and ',@Sections);
783: }
784: } else {
785: if ($Sections[0] eq 'all') {
786: $sectionstring = "All sections";
787: } else {
788: $sectionstring = "Section ".$Sections[0];
789: }
790: }
791: $excel_sheet->write($rows_output,$cols_output++,$sectionstring);
792: $cols_output += scalar(@Sections);
793: #
794: # Put the date in there too
795: $excel_sheet->write($rows_output,$cols_output++,
796: 'Compiled on '.localtime(time));
797: #
798: $rows_output++;
799: #
1.32 matthew 800: # Add the student headers
1.34 matthew 801: $cols_output = 0;
1.32 matthew 802: foreach my $field (&get_student_fields_to_show()) {
1.34 matthew 803: $excel_sheet->write($rows_output,$cols_output++,$field);
1.32 matthew 804: }
805: #
806: # Add the Sequence Headers
1.40 matthew 807: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.34 matthew 808: $excel_sheet->write($rows_output,$cols_output,$seq->{'title'});
1.32 matthew 809: if ($show eq 'totals') {
1.34 matthew 810: $excel_sheet->write($rows_output+1,$cols_output,'score');
811: $excel_sheet->write($rows_output+1,$cols_output+1,'maximum');
1.32 matthew 812: $cols_output += 2;
813: } else {
814: $cols_output++;
815: }
816: }
817: #
818: # Bookkeeping
819: if ($show eq 'totals') {
1.34 matthew 820: $rows_output += 2;
1.32 matthew 821: } else {
1.34 matthew 822: $rows_output += 1;
1.32 matthew 823: }
824: #
825: # Let the user know what we are doing
826: my $studentcount = scalar(@Apache::lonstatistics::Students);
827: $r->print("<h1>Compiling Excel spreadsheet for ".
828: $studentcount.' student');
829: $r->print('s') if ($studentcount > 1);
830: $r->print("</h1>\n");
831: $r->rflush();
1.31 matthew 832: #
1.36 matthew 833: # Initialize progress window
834: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
835: ($r,'Excel File Compilation Status',
836: 'Excel File Compilation Progress', $studentcount);
837: #
1.31 matthew 838: return;
839: }
840:
841: sub excel_outputstudent {
842: my ($r,$student) = @_;
1.32 matthew 843: return if (! defined($excel_sheet));
844: $cols_output=0;
845: #
846: # Write out student data
847: my @to_show = &get_student_fields_to_show();
848: foreach my $field (@to_show) {
849: $excel_sheet->write($rows_output,$cols_output++,$student->{$field});
850: }
851: #
852: # Get student assessment data
853: my %StudentsData;
854: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
855: $student->{'domain'},
856: undef,
857: $ENV{'request.course.id'});
858: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
859: %StudentsData = @tmp;
860: }
861: #
862: # Write out sequence scores and totals data
1.40 matthew 863: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.32 matthew 864: my ($performance,$score,$seq_max) =
865: &StudentPerformanceOnSequence($student,\%StudentsData,
866: $seq,'no');
867: if ($show eq 'totals' || $show eq 'scores') {
868: $excel_sheet->write($rows_output,$cols_output++,$score);
869: }
870: if ($show eq 'totals') {
871: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
872: }
873: }
874: #
875: # Bookkeeping
876: $rows_output++;
877: $cols_output=0;
878: #
1.36 matthew 879: # Update the progress window
880: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.32 matthew 881: return;
1.31 matthew 882: }
883:
884: sub excel_finish {
885: my ($r) = @_;
1.32 matthew 886: return if (! defined($excel_sheet));
887: #
888: # Write the excel file
889: $excel_workbook->close();
890: my $c = $r->connection();
891: #
892: return if($c->aborted());
893: #
1.36 matthew 894: # Close the progress window
895: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
896: #
1.32 matthew 897: # Tell the user where to get their excel file
1.36 matthew 898: $r->print('<br />'.
1.32 matthew 899: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
900: $r->rflush();
901: return;
1.31 matthew 902: }
903:
904: }
1.30 matthew 905: #######################################################
906: #######################################################
907:
908: =pod
909:
1.31 matthew 910: =head2 CSV output routines
911:
912: =item &csv_initialize($r)
913:
914: =item &csv_outputstudent($r,$student)
915:
916: =item &csv_finish($r)
1.30 matthew 917:
918: =cut
919:
920: #######################################################
921: #######################################################
1.31 matthew 922: {
923:
1.37 matthew 924: my $outputfile;
925: my $filename;
926:
927: my %prog_state; # progress window state
928:
1.31 matthew 929: sub csv_initialize{
930: my ($r) = @_;
1.37 matthew 931: #
932: # Clean up
933: $filename = undef;
934: $outputfile = undef;
935: undef(%prog_state);
936: #
937: # Open a file
938: $filename = '/prtspool/'.
939: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
940: time.'_'.rand(1000000000).'.csv';
941: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
942: $r->log_error("Couldn't open $filename for output $!");
943: $r->print("Problems occured in writing the csv file. ".
944: "This error has been logged. ".
945: "Please alert your LON-CAPA administrator.");
946: $outputfile = undef;
947: }
1.38 matthew 948: #
949: # Datestamp
950: my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
951: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
952: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
953: "\n";
954:
1.37 matthew 955: #
956: # Print out the headings
957: my $Str = '';
958: my $Str2 = undef;
959: foreach my $field (&get_student_fields_to_show()) {
960: if ($show eq 'scores') {
961: $Str .= '"'.&Apache::loncommon::csv_translate($field).'",';
962: } elsif ($show eq 'totals') {
963: $Str .= '"",'; # first row empty on the student fields
964: $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",';
965: } elsif ($show eq 'all') {
966: $Str .= '"'.&Apache::loncommon::csv_translate($field).'",';
967: }
968: }
1.40 matthew 969: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.37 matthew 970: if ($show eq 'scores') {
971: $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
972: '",';
973: } elsif ($show eq 'totals') {
974: $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
975: '","",';
976: $Str2 .= '"score","total possible",';
977: } elsif ($show eq 'all') {
978: $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
979: '",';
980: $Str .= '"",'x($seq->{'num_assess_parts'}-1);
981: $Str .= '"score","total possible",';
982: }
983: }
984: chop($Str);
985: $Str .= "\n";
986: print $outputfile $Str;
987: if (defined($Str2)) {
988: chop($Str2);
989: $Str2 .= "\n";
990: print $outputfile $Str2;
991: }
992: #
993: # Initialize progress window
994: my $studentcount = scalar(@Apache::lonstatistics::Students);
995: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
996: ($r,'CSV File Compilation Status',
997: 'CSV File Compilation Progress', $studentcount);
1.31 matthew 998: return;
999: }
1000:
1001: sub csv_outputstudent {
1002: my ($r,$student) = @_;
1.37 matthew 1003: return if (! defined($outputfile));
1004: my $Str = '';
1005: #
1006: # Output student fields
1007: my @to_show = &get_student_fields_to_show();
1008: foreach my $field (@to_show) {
1009: $Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",';
1010: }
1011: #
1012: # Get student assessment data
1013: my %StudentsData;
1014: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1015: $student->{'domain'},
1016: undef,
1017: $ENV{'request.course.id'});
1018: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1019: %StudentsData = @tmp;
1020: }
1021: #
1022: # Output performance data
1.40 matthew 1023: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.37 matthew 1024: my ($performance,$score,$seq_max) =
1025: &StudentPerformanceOnSequence($student,\%StudentsData,
1026: $seq,'no');
1027: if ($show eq 'scores') {
1028: $Str .= '"'.$score.'",';
1029: } elsif ($show eq 'totals') {
1030: $Str .= '"'.$score.'","'.$seq_max.'",';
1031: } elsif ($show eq 'all') {
1032: $Str .= '"'.join('","',(split(//,$performance),$score,$seq_max)).
1033: '",';
1034: }
1035: }
1036: chop($Str);
1037: $Str .= "\n";
1038: print $outputfile $Str;
1039: #
1040: # Update the progress window
1041: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1042: return;
1.31 matthew 1043: }
1044:
1045: sub csv_finish {
1046: my ($r) = @_;
1.37 matthew 1047: return if (! defined($outputfile));
1048: close($outputfile);
1049: #
1050: my $c = $r->connection();
1051: return if ($c->aborted());
1052: #
1053: # Close the progress window
1054: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1055: #
1056: # Tell the user where to get their csv file
1057: $r->print('<br />'.
1058: '<a href="'.$filename.'">Your csv file.</a>'."\n");
1059: $r->rflush();
1060: return;
1061:
1.31 matthew 1062: }
1.2 stredwic 1063:
1064: }
1065:
1.28 matthew 1066: #######################################################
1067: #######################################################
1068:
1.2 stredwic 1069: =pod
1070:
1.30 matthew 1071: =item &StudentPerformanceOnSequence()
1.2 stredwic 1072:
1.30 matthew 1073: Inputs:
1.2 stredwic 1074:
1075: =over 4
1076:
1.30 matthew 1077: =item $student
1.28 matthew 1078:
1.30 matthew 1079: =item $studentdata Hash ref to all student data
1.2 stredwic 1080:
1.30 matthew 1081: =item $seq Hash ref, the sequence we are working on
1.2 stredwic 1082:
1.30 matthew 1083: =item $links if defined we will output links to each resource.
1.2 stredwic 1084:
1.28 matthew 1085: =back
1.2 stredwic 1086:
1087: =cut
1.1 stredwic 1088:
1.28 matthew 1089: #######################################################
1090: #######################################################
1.30 matthew 1091: sub StudentPerformanceOnSequence {
1.32 matthew 1092: my ($student,$studentdata,$seq,$links) = @_;
1.31 matthew 1093: $links = 'no' if (! defined($links));
1.1 stredwic 1094: my $Str = '';
1.30 matthew 1095: my ($sum,$max) = (0,0);
1096: foreach my $resource (@{$seq->{'contents'}}) {
1097: next if ($resource->{'type'} ne 'assessment');
1098: my $resource_data = $studentdata->{$resource->{'symb'}};
1099: my $value = '';
1100: foreach my $partnum (@{$resource->{'parts'}}) {
1101: $max++;
1102: my $symbol = ' '; # default to space
1103: #
1104: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1105: my $status = $resource_data->{'resource.'.$partnum.'.solved'};
1106: if ($status eq 'correct_by_override') {
1107: $symbol = '+';
1108: $sum++;
1109: } elsif ($status eq 'incorrect_by_override') {
1110: $symbol = '-';
1111: } elsif ($status eq 'ungraded_attempted') {
1112: $symbol = '#';
1113: } elsif ($status eq 'incorrect_attempted') {
1114: $symbol = '.';
1115: } elsif ($status eq 'excused') {
1116: $symbol = 'x';
1117: $max--;
1118: } elsif ($status eq 'correct_by_student' &&
1119: exists($resource_data->{'resource.'.$partnum.'.tries'})){
1120: my $num = $resource_data->{'resource.'.$partnum.'.tries'};
1121: if ($num > 9) {
1122: $symbol = '*';
1123: } elsif ($num > 0) {
1124: $symbol = $num;
1125: } else {
1126: $symbol = ' ';
1127: }
1128: $sum++;
1.43 ! matthew 1129: } elsif (exists($resource_data->{'resource.'.
! 1130: $partnum.'.tries'})){
! 1131: $symbol = '.';
1.30 matthew 1132: } else {
1133: $symbol = ' ';
1.2 stredwic 1134: }
1.30 matthew 1135: } else {
1136: # Unsolved. Did they try?
1137: if (exists($resource_data->{'resource.'.$partnum.'.tries'})){
1138: $symbol = '.';
1139: } else {
1140: $symbol = ' ';
1.18 matthew 1141: }
1.2 stredwic 1142: }
1.30 matthew 1143: #
1.31 matthew 1144: if ($links eq 'yes' && $symbol ne ' ') {
1.30 matthew 1145: $symbol = '<a href="/adm/grades'.
1146: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1147: '&student='.$student->{'username'}.
1148: '&domain='.$student->{'domain'}.
1149: '&command=submission">'.$symbol.'</a>';
1150: }
1151: $value .= $symbol;
1.2 stredwic 1152: }
1.30 matthew 1153: $Str .= $value;
1.17 minaeibi 1154: }
1.30 matthew 1155: return ($Str,$sum,$max);
1.1 stredwic 1156: }
1.23 minaeibi 1157:
1.28 matthew 1158: #######################################################
1159: #######################################################
1.23 minaeibi 1160:
1.2 stredwic 1161: =pod
1162:
1163: =item &CreateLegend()
1164:
1165: This function returns a formatted string containing the legend for the
1166: chart. The legend describes the symbols used to represent grades for
1167: problems.
1168:
1169: =cut
1170:
1.28 matthew 1171: #######################################################
1172: #######################################################
1.2 stredwic 1173: sub CreateLegend {
1174: my $Str = "<p><pre>".
1.13 minaeibi 1175: " 1 correct by student in 1 try\n".
1176: " 7 correct by student in 7 tries\n".
1.12 minaeibi 1177: " * correct by student in more than 9 tries\n".
1.20 minaeibi 1178: " + correct by hand grading or override\n".
1.12 minaeibi 1179: " - incorrect by override\n".
1180: " . incorrect attempted\n".
1181: " # ungraded attempted\n".
1.13 minaeibi 1182: " not attempted (blank field)\n".
1.12 minaeibi 1183: " x excused".
1.17 minaeibi 1184: "</pre><p>";
1.2 stredwic 1185: return $Str;
1186: }
1187:
1.28 matthew 1188: #######################################################
1189: #######################################################
1190:
1.30 matthew 1191: =pod
1.2 stredwic 1192:
1193: =back
1194:
1195: =cut
1196:
1.28 matthew 1197: #######################################################
1198: #######################################################
1.2 stredwic 1199:
1.28 matthew 1200: 1;
1.2 stredwic 1201:
1.1 stredwic 1202: __END__
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