1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.76 2003/12/05 21:04:34 matthew Exp $
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: # 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
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: #######################################################
49:
50: package Apache::lonstudentassessment;
51:
52: use strict;
53: use Apache::lonstatistics;
54: use Apache::lonhtmlcommon;
55: use Apache::loncoursedata;
56: use Apache::lonnet; # for logging porpoises
57: use Apache::lonlocal;
58: use Spreadsheet::WriteExcel;
59: use Spreadsheet::WriteExcel::Utility();
60:
61: #######################################################
62: #######################################################
63: =pod
64:
65: =item Package Variables
66:
67: =over 4
68:
69: =item $Statistics Hash ref to store student data. Indexed by symb,
70: contains hashes with keys 'score' and 'max'.
71:
72: =cut
73:
74: #######################################################
75: #######################################################
76:
77: my $Statistics;
78:
79: #######################################################
80: #######################################################
81:
82: =pod
83:
84: =item $show_links 'yes' or 'no' for linking to student performance data
85:
86: =item $output_mode 'html', 'excel', or 'csv' for output mode
87:
88: =item $show 'all', 'totals', or 'scores' determines how much data is output
89:
90: =item $data determines what performance data is shown
91:
92: =item $datadescription A short description of the output data selected.
93:
94: =item $base 'tries' or 'scores' determines the base of the performance shown
95:
96: =item $single_student_mode evaluates to true if we are showing only one
97: student.
98:
99: =cut
100:
101: #######################################################
102: #######################################################
103: my $show_links;
104: my $output_mode;
105: my $data;
106: my $base;
107: my $datadescription;
108: my $single_student_mode;
109:
110: #######################################################
111: #######################################################
112: # End of package variable declarations
113:
114: =pod
115:
116: =back
117:
118: =cut
119:
120: #######################################################
121: #######################################################
122:
123: =pod
124:
125: =item &BuildStudentAssessmentPage()
126:
127: Inputs:
128:
129: =over 4
130:
131: =item $r Apache Request
132:
133: =item $c Apache Connection
134:
135: =back
136:
137: =cut
138:
139: #######################################################
140: #######################################################
141: sub BuildStudentAssessmentPage {
142: my ($r,$c)=@_;
143: #
144: undef($Statistics);
145: undef($show_links);
146: undef($output_mode);
147: undef($data);
148: undef($base);
149: undef($datadescription);
150: undef($single_student_mode);
151: #
152: my %Saveable_Parameters = ('Status' => 'scalar',
153: 'chartoutputmode' => 'scalar',
154: 'chartoutputdata' => 'scalar',
155: 'Section' => 'array',
156: 'StudentData' => 'array',
157: 'Maps' => 'array');
158: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
159: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
160: #
161: &Apache::lonstatistics::PrepareClasslist();
162: #
163: $single_student_mode = 0;
164: $single_student_mode = 1 if ($ENV{'form.SelectedStudent'});
165: if ($ENV{'form.selectstudent'}) {
166: &Apache::lonstatistics::DisplayClasslist($r);
167: return;
168: }
169: #
170: # Print out the HTML headers for the interface
171: # This also parses the output mode selector
172: # This step must *always* be done.
173: $r->print(&CreateInterface());
174: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
175: $r->print('<input type="hidden" name="sort" value="'.
176: $ENV{'form.sort'}.'" />');
177: $r->rflush();
178: #
179: if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {
180: return;
181: }
182: #
183: my $initialize = \&html_initialize;
184: my $output_student = \&html_outputstudent;
185: my $finish = \&html_finish;
186: #
187: if ($output_mode eq 'excel') {
188: $initialize = \&excel_initialize;
189: $output_student = \&excel_outputstudent;
190: $finish = \&excel_finish;
191: } elsif ($output_mode eq 'csv') {
192: $initialize = \&csv_initialize;
193: $output_student = \&csv_outputstudent;
194: $finish = \&csv_finish;
195: }
196: #
197: if($c->aborted()) { return ; }
198: #
199: # Determine which students we want to look at
200: my @Students;
201: if ($single_student_mode) {
202: @Students = (&Apache::lonstatistics::current_student());
203: $r->print(&next_and_previous_buttons());
204: $r->rflush();
205: } else {
206: @Students = @Apache::lonstatistics::Students;
207: }
208: #
209: # Perform generic initialization tasks
210: # Since we use lonnet::EXT to retrieve problem weights,
211: # to ensure current data we must clear the caches out.
212: # This makes sure that parameter changes at the student level
213: # are immediately reflected in the chart.
214: &Apache::lonnet::clear_EXT_cache_status();
215: #
216: # Clean out loncoursedata's package data, just to be safe.
217: &Apache::loncoursedata::clear_internal_caches();
218: #
219: # Call the initialize routine selected above
220: $initialize->($r);
221: foreach my $student (@Students) {
222: if($c->aborted()) {
223: $finish->($r);
224: return ;
225: }
226: # Call the output_student routine selected above
227: $output_student->($r,$student);
228: }
229: # Call the "finish" routine selected above
230: $finish->($r);
231: #
232: return;
233: }
234:
235: #######################################################
236: #######################################################
237: sub next_and_previous_buttons {
238: my $Str = '';
239: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
240: $ENV{'form.SelectedStudent'}.'" />';
241: #
242: # Build the previous student link
243: my $previous = &Apache::lonstatistics::previous_student();
244: my $previousbutton = '';
245: if (defined($previous)) {
246: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
247: $previousbutton .= '<input type="button" value="'.
248: 'Previous Student ('.
249: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
250: '" onclick="document.Statistics.SelectedStudent.value='.
251: "'".$sname."'".';'.
252: 'document.Statistics.submit();" />';
253: } else {
254: $previousbutton .= '<input type="button" value="'.
255: 'Previous student (none)'.'" />';
256: }
257: #
258: # Build the next student link
259: my $next = &Apache::lonstatistics::next_student();
260: my $nextbutton = '';
261: if (defined($next)) {
262: my $sname = $next->{'username'}.':'.$next->{'domain'};
263: $nextbutton .= '<input type="button" value="'.
264: 'Next Student ('.
265: $next->{'username'}.'@'.$next->{'domain'}.')'.
266: '" onclick="document.Statistics.SelectedStudent.value='.
267: "'".$sname."'".';'.
268: 'document.Statistics.submit();" />';
269: } else {
270: $nextbutton .= '<input type="button" value="'.
271: 'Next student (none)'.'" />';
272: }
273: #
274: # Build the 'all students' button
275: my $all = '';
276: $all .= '<input type="button" value="All Students" '.
277: '" onclick="document.Statistics.SelectedStudent.value='.
278: "''".';'.'document.Statistics.submit();" />';
279: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
280: return $Str;
281: }
282:
283: #######################################################
284: #######################################################
285:
286: sub get_student_fields_to_show {
287: my @to_show = @Apache::lonstatistics::SelectedStudentData;
288: foreach (@to_show) {
289: if ($_ eq 'all') {
290: @to_show = @Apache::lonstatistics::StudentDataOrder;
291: last;
292: }
293: }
294: return @to_show;
295: }
296:
297: #######################################################
298: #######################################################
299:
300: =pod
301:
302: =item &CreateInterface()
303:
304: Called by &BuildStudentAssessmentPage to create the top part of the
305: page which displays the chart.
306:
307: Inputs: None
308:
309: Returns: A string containing the HTML for the headers and top table for
310: the chart page.
311:
312: =cut
313:
314: #######################################################
315: #######################################################
316: sub CreateInterface {
317: my $Str = '';
318: # $Str .= &CreateLegend();
319: $Str .= '<table cellspacing="5">'."\n";
320: $Str .= '<tr>';
321: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
322: $Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';
323: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
324: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
325: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
326: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
327: '</td>';
328: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
329: &Apache::loncommon::help_open_topic("Chart_Output_Data").
330: '</td>';
331: $Str .= '</tr>'."\n";
332: #
333: $Str .= '<tr><td align="center">'."\n";
334: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
335: $Str .= '</td><td align="center">';
336: my $only_seq_with_assessments = sub {
337: my $s=shift;
338: if ($s->{'num_assess'} < 1) {
339: return 0;
340: } else {
341: return 1;
342: }
343: };
344: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
345: 5,undef);
346: $Str .= '</td><td>'."\n";
347: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
348: $Str .= '</td><td>'."\n";
349: $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
350: $only_seq_with_assessments);
351: $Str .= '</td><td>'."\n";
352: $Str .= &CreateAndParseOutputSelector();
353: $Str .= '</td><td>'."\n";
354: $Str .= &CreateAndParseOutputDataSelector();
355: $Str .= '</td></tr>'."\n";
356: $Str .= '</table>'."\n";
357: $Str .= '<input type="submit" name="Generate Chart" value="'.
358: &mt('Generate Chart').'" />';
359: $Str .= ' 'x5;
360: $Str .= '<input type="submit" name="selectstudent" value="'.
361: &mt('Select One Student').'" />';
362: $Str .= ' 'x5;
363: $Str .= '<input type="submit" name="ClearCache" value="'.
364: &mt('Clear Caches').'" />';
365: $Str .= ' 'x5;
366: $Str .= '<br />';
367: return $Str;
368: }
369:
370: #######################################################
371: #######################################################
372:
373: =pod
374:
375: =item &CreateAndParseOutputSelector()
376:
377: =cut
378:
379: #######################################################
380: #######################################################
381: my @OutputOptions =
382: ({ name => 'HTML, with links',
383: value => 'html, with links',
384: description => 'Output HTML with each symbol linked to the problem '.
385: 'which generated it.',
386: mode => 'html',
387: show_links => 'yes',
388: },
389: { name => 'HTML, with all links',
390: value => 'html, with all links',
391: description => 'Output HTML with each symbol linked to the problem '.
392: 'which generated it. '.
393: 'This includes links for unattempted problems.',
394: mode => 'html',
395: show_links => 'all',
396: },
397: { name => 'HTML, without links',
398: value => 'html, without links',
399: description => 'Output HTML. By not including links, the size of the'.
400: ' web page is greatly reduced. If your browser crashes on the '.
401: 'full display, try this.',
402: mode => 'html',
403: show_links => 'no',
404: },
405: { name => 'Excel',
406: value => 'excel',
407: description => 'Output an Excel file (compatable with Excel 95).',
408: mode => 'excel',
409: show_links => 'no',
410: },
411: { name => 'CSV',
412: value => 'csv',
413: description => 'Output a comma seperated values file suitable for '.
414: 'import into a spreadsheet program. Using this method as opposed '.
415: 'to Excel output allows you to organize your data before importing'.
416: ' it into a spreadsheet program.',
417: mode => 'csv',
418: show_links => 'no',
419: },
420: );
421:
422: sub OutputDescriptions {
423: my $Str = '';
424: $Str .= "<h2>Output Formats</h2>\n";
425: $Str .= "<dl>\n";
426: foreach my $outputmode (@OutputOptions) {
427: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
428: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
429: }
430: $Str .= "</dl>\n";
431: return $Str;
432: }
433:
434: sub CreateAndParseOutputSelector {
435: my $Str = '';
436: my $elementname = 'chartoutputmode';
437: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
438: [$elementname]);
439: #
440: # Format for output options is 'mode, restrictions';
441: my $selected = 'html, without links';
442: if (exists($ENV{'form.'.$elementname})) {
443: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
444: $selected = $ENV{'form.'.$elementname}->[0];
445: } else {
446: $selected = $ENV{'form.'.$elementname};
447: }
448: }
449: #
450: # Set package variables describing output mode
451: $show_links = 'no';
452: $output_mode = 'html';
453: foreach my $option (@OutputOptions) {
454: next if ($option->{'value'} ne $selected);
455: $output_mode = $option->{'mode'};
456: $show_links = $option->{'show_links'};
457: }
458:
459: #
460: # Build the form element
461: $Str = qq/<select size="5" name="$elementname">/;
462: foreach my $option (@OutputOptions) {
463: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
464: $Str .= " selected " if ($option->{'value'} eq $selected);
465: $Str .= ">".&mt($option->{'name'})."<\/option>";
466: }
467: $Str .= "\n</select>";
468: return $Str;
469: }
470:
471: ##
472: ## Data selector stuff
473: ##
474: my @OutputDataOptions =
475: (
476: { name => 'Scores Summary',
477: base => 'scores',
478: value => 'sum and total',
479: shortdesc => 'Total Score and Maximum Possible for each '.
480: 'Sequence or Folder',
481: longdesc => 'The score of each student as well as the '.
482: ' maximum possible on each Sequence or Folder.',
483: },
484: { name => 'Scores Per Problem',
485: base => 'scores',
486: value => 'scores',
487: shortdesc => 'Score on each Problem Part',
488: longdesc =>'The students score on each problem part, computed as'.
489: 'the part weight * part awarded',
490: },
491: # { name => 'Scores Sum',
492: # base => 'scores',
493: # value => 'sum only',
494: # shortdesc => 'Sum of Scores on each Problem Part',
495: # longdesc =>'The total of the scores of the student on each problem'.
496: # ' part in the sequences or folders selected.',
497: # },
498: # { name => 'Scores Summary Table Only',
499: # base => 'scores',
500: # value => 'final table scores',
501: # shortdesc => 'Summary of Scores',
502: # longdesc => 'The average score on each sequence or folder for the '.
503: # 'selected students.',
504: # },
505: { name =>'Tries',
506: base =>'tries',
507: value => 'tries',
508: shortdesc => 'Number of Tries before success on each Problem Part',
509: longdesc =>'The number of tries before success on each problem part.',
510: },
511: { name =>'Parts Correct',
512: base =>'tries',
513: value => 'parts correct total',
514: shortdesc => 'Number of Problem Parts completed successfully.',
515: longdesc => 'The Number of Problem Parts completed successfully and '.
516: 'the maximum possible for each student',
517: },
518: # { name =>'Parts Correct',
519: # base =>'tries',
520: # value => 'parts correct',
521: # shortdesc => 'Number of Problem Parts completed successfully.',
522: # longdesc => 'The Number of Problem Parts completed successfully'.
523: # ' on each sequence or folder.',
524: # },
525: # { name => 'Parts Summary Table Only',
526: # base => 'tries',
527: # value => 'final table parts',
528: # shortdesc => 'Summary of Parts Correct',
529: # longdesc => 'A summary table of the average number of problem parts '.
530: # 'students were able to get correct on each sequence.',
531: # },
532: );
533:
534: sub HTMLifyOutputDataDescriptions {
535: my $Str = '';
536: $Str .= "<h2>Output Data</h2>\n";
537: $Str .= "<dl>\n";
538: foreach my $option (@OutputDataOptions) {
539: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
540: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
541: }
542: $Str .= "</dl>\n";
543: return $Str;
544: }
545:
546: sub CreateAndParseOutputDataSelector {
547: my $Str = '';
548: my $elementname = 'chartoutputdata';
549: #
550: my $selected = 'scores';
551: if (exists($ENV{'form.'.$elementname})) {
552: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
553: $selected = $ENV{'form.'.$elementname}->[0];
554: } else {
555: $selected = $ENV{'form.'.$elementname};
556: }
557: }
558: #
559: $data = 'scores';
560: foreach my $option (@OutputDataOptions) {
561: if ($option->{'value'} eq $selected) {
562: $data = $option->{'value'};
563: $base = $option->{'base'};
564: $datadescription = $option->{'shortdesc'};
565: }
566: }
567: #
568: # Build the form element
569: $Str = qq/<select size="5" name="$elementname">/;
570: foreach my $option (@OutputDataOptions) {
571: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
572: $Str .= " selected " if ($option->{'value'} eq $data);
573: $Str .= ">".&mt($option->{'name'})."<\/option>";
574: }
575: $Str .= "\n</select>";
576: return $Str;
577:
578: }
579:
580: #######################################################
581: #######################################################
582:
583: =pod
584:
585: =head2 HTML output routines
586:
587: =item &html_initialize($r)
588:
589: Create labels for the columns of student data to show.
590:
591: =item &html_outputstudent($r,$student)
592:
593: Return a line of the chart for a student.
594:
595: =item &html_finish($r)
596:
597: =cut
598:
599: #######################################################
600: #######################################################
601: {
602: my $padding;
603: my $count;
604:
605: my $nodata_count; # The number of students for which there is no data
606: my %prog_state; # progress state used by loncommon PrgWin routines
607:
608: sub html_initialize {
609: my ($r) = @_;
610: #
611: $padding = ' 'x3;
612: $count = 0;
613: $nodata_count = 0;
614: undef(%prog_state);
615: #
616: $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
617: " ".localtime(time)."</h3>");
618:
619: if ($data !~ /^final table/) {
620: $r->print("<h3>".$datadescription."</h3>");
621: }
622: #
623: # Set up progress window for 'final table' display only
624: if ($data =~ /^final table/) {
625: my $studentcount = scalar(@Apache::lonstatistics::Students);
626: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
627: ($r,'Summary Table Status',
628: 'Summary Table Compilation Progress', $studentcount);
629: }
630: my $Str = "<pre>\n";
631: # First, the @StudentData fields need to be listed
632: my @to_show = &get_student_fields_to_show();
633: foreach my $field (@to_show) {
634: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
635: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
636: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
637: $Str .= $title.' 'x($width-$base).$padding;
638: }
639: # Now the selected sequences need to be listed
640: foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
641: my $title = $sequence->{'title'};
642: my $base = $sequence->{'base_width'};
643: my $width = $sequence->{'width'};
644: $Str .= $title.' 'x($width-$base).$padding;
645: }
646: $Str .= "total</pre>\n";
647: $Str .= "<pre>";
648: #
649: # Check for suppression of output
650: if ($data =~ /^final table/) {
651: $Str = '';
652: }
653: $r->print($Str);
654: $r->rflush();
655: return;
656: }
657:
658: sub html_outputstudent {
659: my ($r,$student) = @_;
660: my $Str = '';
661: #
662: if($count++ % 5 == 0 && $count > 0 && $data !~ /^final table/) {
663: $r->print("</pre><pre>");
664: }
665: # First, the @StudentData fields need to be listed
666: my @to_show = &get_student_fields_to_show();
667: foreach my $field (@to_show) {
668: my $title=$student->{$field};
669: my $base = length($title);
670: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
671: $Str .= $title.' 'x($width-$base).$padding;
672: }
673: # Get ALL the students data
674: my %StudentsData;
675: my @tmp = &Apache::loncoursedata::get_current_state
676: ($student->{'username'},$student->{'domain'},undef,
677: $ENV{'request.course.id'});
678: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
679: %StudentsData = @tmp;
680: }
681: if (scalar(@tmp) < 1) {
682: $nodata_count++;
683: return if ($data =~ /^final table/);
684: $Str .= '<font color="blue">No Course Data</font>'."\n";
685: $r->print($Str);
686: $r->rflush();
687: return;
688: }
689: #
690: # By sequence build up the data
691: my $studentstats;
692: my $PerformanceStr = '';
693: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
694: my ($performance,$performance_length,$score,$seq_max,$rawdata);
695: if ($base eq 'tries') {
696: ($performance,$performance_length,$score,$seq_max,$rawdata) =
697: &StudentTriesOnSequence($student,\%StudentsData,
698: $seq,$show_links);
699: } else {
700: ($performance,$performance_length,$score,$seq_max,$rawdata) =
701: &StudentPerformanceOnSequence($student,\%StudentsData,
702: $seq,$show_links);
703: }
704: my $ratio = sprintf("%3d",$score).'/'.sprintf("%3d",$seq_max);
705: #
706: if ($data eq 'sum and total' || $data eq 'parts correct total') {
707: $performance = $ratio;
708: $performance .= ' 'x($seq->{'width'}-length($ratio));
709: } elsif ($data eq 'sum only' || $data eq 'parts correct') {
710: $performance = $score;
711: $performance .= ' 'x($seq->{'width'}-length($score));
712: } else {
713: # Pad with extra spaces
714: $performance .= ' 'x($seq->{'width'}-$performance_length-
715: length($ratio)
716: ).$ratio;
717: }
718: #
719: $Str .= $performance.$padding;
720: #
721: $studentstats->{$seq->{'symb'}}->{'score'}= $score;
722: $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
723: }
724: #
725: # Total it up and store the statistics info.
726: my ($score,$max) = (0,0);
727: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
728: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
729: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
730: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
731: }
732: $score += $seq_stats->{'score'};
733: $max += $seq_stats->{'max'};
734: }
735: $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;
736: $Str .= " \n";
737: #
738: # Check for suppressed output and update the progress window if so...
739: if ($data =~ /^final table/) {
740: $Str = '';
741: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
742: 'last student');
743: }
744: #
745: $r->print($Str);
746: #
747: $r->rflush();
748: return;
749: }
750:
751: sub html_finish {
752: my ($r) = @_;
753: #
754: # Check for suppressed output and close the progress window if so
755: if ($data =~ /^final table/) {
756: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
757: } else {
758: $r->print("</pre>\n");
759: }
760: if ($single_student_mode) {
761: $r->print(&SingleStudentTotal());
762: } else {
763: $r->print(&StudentAverageTotal());
764: }
765: $r->rflush();
766: return;
767: }
768:
769: sub StudentAverageTotal {
770: my $Str = "<h3>Summary Tables</h3>\n";
771: my $num_students = scalar(@Apache::lonstatistics::Students);
772: my $total_ave = 0;
773: my $total_max = 0;
774: $Str .= '<table border=2 cellspacing="1">'."\n";
775: $Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";
776: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
777: my $ave;
778: if ($num_students > $nodata_count) {
779: $ave = int(100*($Statistics->{$seq->{'symb'}}->{'score'}/
780: ($num_students-$nodata_count)))/100;
781: } else {
782: $ave = 0;
783: }
784: $total_ave += $ave;
785: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
786: $total_max += $max;
787: if ($ave == 0) {
788: $ave = "0.00";
789: }
790: $ave .= ' ';
791: $max .= ' ';
792: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
793: '<td align="right">'.$ave.'</td>'.
794: '<td align="right">'.$max.'</td></tr>'."\n";
795: }
796: $total_ave = int(100*$total_ave)/100; # only two digit
797: $Str .= "</table>\n";
798: $Str .= '<table border=2 cellspacing="1">'."\n";
799: $Str .= '<tr><th>Number of Students</th><th>Average</th>'.
800: "<th>Maximum</th></tr>\n";
801: $Str .= '<tr><td>'.($num_students-$nodata_count).'</td>'.
802: '<td>'.$total_ave.'</td><td>'.$total_max.'</td>';
803: $Str .= "</table>\n";
804: return $Str;
805: }
806:
807: sub SingleStudentTotal {
808: my $student = &Apache::lonstatistics::current_student();
809: my $Str = "<h3>Summary table for ".$student->{'fullname'}." ".
810: $student->{'username'}.'@'.$student->{'domain'}."</h3>\n";
811: $Str .= '<table border=2 cellspacing="1">'."\n";
812: $Str .=
813: "<tr><th>Sequence or Folder</th><th>Score</th><th>Maximum</th></tr>\n";
814: my $total = 0;
815: my $total_max = 0;
816: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
817: my $value = $Statistics->{$seq->{'symb'}}->{'score'};
818: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
819: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
820: '<td align="right">'.$value.'</td>'.
821: '<td align="right">'.$max.'</td></tr>'."\n";
822: $total += $value;
823: $total_max +=$max;
824: }
825: $Str .= '<tr><td><b>Total</b></td>'.
826: '<td align="right">'.$total.'</td>'.
827: '<td align="right">'.$total_max."</td></tr>\n";
828: $Str .= "</table>\n";
829: return $Str;
830: }
831:
832: }
833:
834: #######################################################
835: #######################################################
836:
837: =pod
838:
839: =head2 EXCEL subroutines
840:
841: =item &excel_initialize($r)
842:
843: =item &excel_outputstudent($r,$student)
844:
845: =item &excel_finish($r)
846:
847: =cut
848:
849: #######################################################
850: #######################################################
851: {
852:
853: my $excel_sheet;
854: my $excel_workbook;
855:
856: my $filename;
857: my $rows_output;
858: my $cols_output;
859:
860: my %prog_state; # progress window state
861: my $request_aborted;
862:
863: my $total_formula;
864:
865: sub excel_initialize {
866: my ($r) = @_;
867: #
868: undef ($excel_sheet);
869: undef ($excel_workbook);
870: undef ($filename);
871: undef ($rows_output);
872: undef ($cols_output);
873: undef (%prog_state);
874: undef ($request_aborted);
875: undef ($total_formula);
876: #
877: my $total_columns = scalar(&get_student_fields_to_show());
878: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
879: # Add 2 because we need a 'sum' and 'total' column for each
880: $total_columns += $seq->{'num_assess_parts'}+2;
881: }
882: if ($data eq 'tries' && $total_columns > 255) {
883: $r->print(<<END);
884: <h2>Unable to Complete Request</h2>
885: <p>
886: LON-CAPA is unable to produce your Excel spreadsheet because your selections
887: will result in more than 255 columns. Excel allows only 255 columns in a
888: spreadsheet.
889: </p><p>
890: You may consider reducing the number of <b>Sequences or Folders</b> you
891: have selected.
892: </p><p>
893: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
894: summary data (<b>Parts Correct</b> or <b>Parts Correct & Totals</b>).
895: </p>
896: END
897: $request_aborted = 1;
898: }
899: if ($data eq 'scores' && $total_columns > 255) {
900: $r->print(<<END);
901: <h2>Unable to Complete Request</h2>
902: <p>
903: LON-CAPA is unable to produce your Excel spreadsheet because your selections
904: will result in more than 255 columns. Excel allows only 255 columns in a
905: spreadsheet.
906: </p><p>
907: You may consider reducing the number of <b>Sequences or Folders</b> you
908: have selected.
909: </p><p>
910: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
911: summary data (<b>Scores Sum</b> or <b>Scores Sum & Totals</b>).
912: </p>
913: END
914: $request_aborted = 1;
915: }
916: if ($data =~ /^final table/) {
917: $r->print(<<END);
918: <h2>Unable to Complete Request</h2>
919: <p>
920: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
921: </p>
922: END
923: $request_aborted = 1;
924: }
925: return if ($request_aborted);
926: #
927: $filename = '/prtspool/'.
928: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
929: time.'_'.rand(1000000000).'.xls';
930: #
931: $excel_workbook = undef;
932: $excel_sheet = undef;
933: #
934: $rows_output = 0;
935: $cols_output = 0;
936: #
937: # Create sheet
938: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
939: #
940: # Check for errors
941: if (! defined($excel_workbook)) {
942: $r->log_error("Error creating excel spreadsheet $filename: $!");
943: $r->print("Problems creating new Excel file. ".
944: "This error has been logged. ".
945: "Please alert your LON-CAPA administrator");
946: return ;
947: }
948: #
949: # The excel spreadsheet stores temporary data in files, then put them
950: # together. If needed we should be able to disable this (memory only).
951: # The temporary directory must be specified before calling 'addworksheet'.
952: # File::Temp is used to determine the temporary directory.
953: $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
954: #
955: # Add a worksheet
956: my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
957: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
958: $excel_sheet = $excel_workbook->addworksheet($sheetname);
959: #
960: # Put the course description in the header
961: $excel_sheet->write($rows_output,$cols_output++,
962: $ENV{'course.'.$ENV{'request.course.id'}.'.description'});
963: $cols_output += 3;
964: #
965: # Put a description of the sections listed
966: my $sectionstring = '';
967: my @Sections = @Apache::lonstatistics::SelectedSections;
968: if (scalar(@Sections) > 1) {
969: if (scalar(@Sections) > 2) {
970: my $last = pop(@Sections);
971: $sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
972: } else {
973: $sectionstring = "Sections ".join(' and ',@Sections);
974: }
975: } else {
976: if ($Sections[0] eq 'all') {
977: $sectionstring = "All sections";
978: } else {
979: $sectionstring = "Section ".$Sections[0];
980: }
981: }
982: $excel_sheet->write($rows_output,$cols_output++,$sectionstring);
983: $cols_output += scalar(@Sections);
984: #
985: # Put the date in there too
986: $excel_sheet->write($rows_output++,$cols_output++,
987: 'Compiled on '.localtime(time));
988: #
989: $cols_output = 0;
990: $excel_sheet->write($rows_output++,$cols_output++,$datadescription);
991: #
992: if ($data eq 'tries' || $data eq 'scores') {
993: $rows_output++;
994: }
995: #
996: # Add the student headers
997: $cols_output = 0;
998: foreach my $field (&get_student_fields_to_show()) {
999: $excel_sheet->write($rows_output,$cols_output++,$field);
1000: }
1001: my $row_offset = 0;
1002: if ($data eq 'tries' || $data eq 'scores') {
1003: $row_offset = -1;
1004: }
1005: #
1006: # Add the remaining column headers
1007: my $total_formula_string = '=0';
1008: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1009: $excel_sheet->write($rows_output+$row_offset,
1010: $cols_output,$seq->{'title'});
1011: if ($data eq 'tries' || $data eq 'scores') {
1012: # Determine starting cell
1013: $seq->{'Excel:startcell'}=
1014: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1015: ($rows_output,$cols_output);
1016: $seq->{'Excel:startcol'}=$cols_output;
1017: # Put the names of the problems and parts into the sheet
1018: foreach my $res (@{$seq->{'contents'}}) {
1019: next if ($res->{'type'} ne 'assessment');
1020: if (scalar(@{$res->{'parts'}}) > 1) {
1021: foreach my $part (@{$res->{'parts'}}) {
1022: $excel_sheet->write($rows_output,
1023: $cols_output++,
1024: $res->{'title'}.' part '.$part);
1025: }
1026: } else {
1027: $excel_sheet->write($rows_output,
1028: $cols_output++,
1029: $res->{'title'});
1030: }
1031: }
1032: # Determine ending cell
1033: $seq->{'Excel:endcell'} =
1034: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1035: ($rows_output,$cols_output-1);
1036: $seq->{'Excel:endcol'}=$cols_output-1;
1037: # Determine cell the score is held in
1038: $seq->{'Excel:scorecell'} =
1039: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1040: ($rows_output,$cols_output);
1041: $seq->{'Excel:scorecol'}=$cols_output;
1042: $excel_sheet->write($rows_output,$cols_output++,'score');
1043: # Create the formula for summing up this sequence
1044: $seq->{'Excel:sum'}= $excel_sheet->store_formula
1045: ('=SUM('.$seq->{'Excel:startcell'}.
1046: ':'.$seq->{'Excel:endcell'}.')');
1047: #
1048: $total_formula_string.='+'.
1049: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1050: ($rows_output,$cols_output-1);
1051: $excel_sheet->write($rows_output,$cols_output++,'maximum');
1052: } elsif ($data eq 'sum and total') {
1053: $excel_sheet->write($rows_output+1,$cols_output,'score');
1054: $total_formula_string.='+'.
1055: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1056: ($rows_output+1,$cols_output);
1057: $excel_sheet->write($rows_output+1,$cols_output+1,'maximum');
1058: $cols_output += 2;
1059: } elsif ($data eq 'parts correct total') {
1060: $excel_sheet->write($rows_output+1,$cols_output,'parts correct');
1061: $total_formula_string.='+'.
1062: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1063: ($rows_output+1,$cols_output);
1064: $excel_sheet->write($rows_output+1,$cols_output+1,'maximum');
1065: $cols_output += 2;
1066: } else {
1067: $cols_output++;
1068: }
1069: }
1070: $excel_sheet->write($rows_output,$cols_output,'Grand Total');
1071: $total_formula = $excel_sheet->store_formula($total_formula_string);
1072: #
1073: # Bookkeeping
1074: if ($data eq 'sum and total' || $data eq 'parts correct total') {
1075: $rows_output += 2;
1076: } else {
1077: $rows_output += 1;
1078: }
1079: #
1080: # Output a row for MAX
1081: $cols_output = 0;
1082: foreach my $field (&get_student_fields_to_show()) {
1083: if ($field eq 'username' || $field eq 'fullname' ||
1084: $field eq 'id') {
1085: $excel_sheet->write($rows_output,$cols_output++,'Maximum');
1086: } else {
1087: $excel_sheet->write($rows_output,$cols_output++,'');
1088: }
1089: }
1090: #
1091: # Add the maximums for each sequence or assessment
1092: my %total_cell_translation;
1093: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1094: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1095: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1096: ($rows_output,$seq->{'Excel:scorecol'});
1097: my $weight;
1098: my $max = 0;
1099: foreach my $resource (@{$seq->{'contents'}}) {
1100: next if ($resource->{'type'} ne 'assessment');
1101: foreach my $part (@{$resource->{'parts'}}) {
1102: $weight = 1;
1103: if ($base eq 'scores') {
1104: $weight = &Apache::lonnet::EXT
1105: ('resource.'.$part.'.weight',$resource->{'symb'},
1106: undef,undef,undef);
1107: if (!defined($weight) || ($weight eq '')) {
1108: $weight=1;
1109: }
1110: }
1111: if ($data eq 'scores') {
1112: $excel_sheet->write($rows_output,$cols_output++,$weight);
1113: } elsif ($data eq 'tries') {
1114: $excel_sheet->write($rows_output,$cols_output++,'');
1115: }
1116: $max += $weight;
1117: }
1118: }
1119: if (! ($data eq 'sum only' || $data eq 'parts correct')) {
1120: $excel_sheet->write($rows_output,$cols_output++,'');
1121: }
1122: my %replaceCells;
1123: $replaceCells{$seq->{'Excel:startcell'}} =
1124: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1125: ($rows_output,$seq->{'Excel:startcol'});
1126: $replaceCells{$seq->{'Excel:endcell'}} =
1127: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1128: ($rows_output,$seq->{'Excel:endcol'});
1129: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1130: $seq->{'Excel:sum'},undef,
1131: %replaceCells);
1132: }
1133: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1134: $total_formula,undef,
1135: %total_cell_translation);
1136: $rows_output++;
1137: #
1138: # Let the user know what we are doing
1139: my $studentcount = scalar(@Apache::lonstatistics::Students);
1140: $r->print("<h1>Compiling Excel spreadsheet for ".
1141: $studentcount.' student');
1142: $r->print('s') if ($studentcount > 1);
1143: $r->print("</h1>\n");
1144: $r->rflush();
1145: #
1146: # Initialize progress window
1147: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1148: ($r,'Excel File Compilation Status',
1149: 'Excel File Compilation Progress', $studentcount);
1150: #
1151: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1152: 'Processing first student');
1153: return;
1154: }
1155:
1156: sub excel_outputstudent {
1157: my ($r,$student) = @_;
1158: return if ($request_aborted);
1159: return if (! defined($excel_sheet));
1160: $cols_output=0;
1161: #
1162: # Write out student data
1163: my @to_show = &get_student_fields_to_show();
1164: foreach my $field (@to_show) {
1165: $excel_sheet->write($rows_output,$cols_output++,$student->{$field});
1166: }
1167: #
1168: # Get student assessment data
1169: my %StudentsData;
1170: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1171: $student->{'domain'},
1172: undef,
1173: $ENV{'request.course.id'});
1174: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1175: %StudentsData = @tmp;
1176: }
1177: #
1178: # Write out sequence scores and totals data
1179: my %total_cell_translation;
1180: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1181: # Keep track of cells to translate in total cell
1182: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1183: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1184: ($rows_output,$seq->{'Excel:scorecol'});
1185: #
1186: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1187: if ($base eq 'tries') {
1188: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1189: &StudentTriesOnSequence($student,\%StudentsData,
1190: $seq,'no');
1191: } else {
1192: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1193: &StudentPerformanceOnSequence($student,\%StudentsData,
1194: $seq,'no');
1195: }
1196: if ($data eq 'tries' || $data eq 'scores') {
1197: foreach my $value (@$rawdata) {
1198: $excel_sheet->write($rows_output,$cols_output++,$value);
1199: }
1200: # Write a formula for the sum of this sequence
1201: my %replaceCells;
1202: $replaceCells{$seq->{'Excel:startcell'}} =
1203: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1204: ($rows_output,$seq->{'Excel:startcol'});
1205: $replaceCells{$seq->{'Excel:endcell'}} =
1206: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1207: ($rows_output,$seq->{'Excel:endcol'});
1208: # The undef is for the format
1209: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1210: $seq->{'Excel:sum'},undef,
1211: %replaceCells);
1212: #
1213: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1214: } elsif ($data eq 'sum and total' || $data eq 'sum only' ||
1215: $data eq 'parts correct' || $data eq 'parts correct total') {
1216: $excel_sheet->write($rows_output,$cols_output++,$score);
1217: }
1218: if ($data eq 'sum and total' || $data eq 'parts correct total') {
1219: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1220: }
1221: }
1222: #
1223: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1224: $total_formula,undef,
1225: %total_cell_translation);
1226:
1227: #
1228: # Bookkeeping
1229: $rows_output++;
1230: $cols_output=0;
1231: #
1232: # Update the progress window
1233: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1234: return;
1235: }
1236:
1237: sub excel_finish {
1238: my ($r) = @_;
1239: return if ($request_aborted);
1240: return if (! defined($excel_sheet));
1241: #
1242: # Write the excel file
1243: $excel_workbook->close();
1244: my $c = $r->connection();
1245: #
1246: return if($c->aborted());
1247: #
1248: # Close the progress window
1249: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1250: #
1251: # Tell the user where to get their excel file
1252: $r->print('<br />'.
1253: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1254: $r->rflush();
1255: return;
1256: }
1257:
1258: }
1259: #######################################################
1260: #######################################################
1261:
1262: =pod
1263:
1264: =head2 CSV output routines
1265:
1266: =item &csv_initialize($r)
1267:
1268: =item &csv_outputstudent($r,$student)
1269:
1270: =item &csv_finish($r)
1271:
1272: =cut
1273:
1274: #######################################################
1275: #######################################################
1276: {
1277:
1278: my $outputfile;
1279: my $filename;
1280: my $request_aborted;
1281: my %prog_state; # progress window state
1282:
1283: sub csv_initialize{
1284: my ($r) = @_;
1285: #
1286: # Clean up
1287: undef($outputfile);
1288: undef($filename);
1289: undef($request_aborted);
1290: undef(%prog_state);
1291: #
1292: # Deal with unimplemented requests
1293: $request_aborted = undef;
1294: if ($data =~ /final table/) {
1295: $r->print(<<END);
1296: <h2>Unable to Complete Request</h2>
1297: <p>
1298: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1299: </p>
1300: END
1301: $request_aborted = 1;
1302: }
1303: return if ($request_aborted);
1304:
1305: #
1306: # Open a file
1307: $filename = '/prtspool/'.
1308: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1309: time.'_'.rand(1000000000).'.csv';
1310: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
1311: $r->log_error("Couldn't open $filename for output $!");
1312: $r->print("Problems occured in writing the csv file. ".
1313: "This error has been logged. ".
1314: "Please alert your LON-CAPA administrator.");
1315: $outputfile = undef;
1316: }
1317: #
1318: # Datestamp
1319: my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1320: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1321: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1322: "\n";
1323: #
1324: # Print out the headings
1325: my $Str = '';
1326: my $Str2 = undef;
1327: foreach my $field (&get_student_fields_to_show()) {
1328: if ($data eq 'sum only') {
1329: $Str .= '"'.&Apache::loncommon::csv_translate($field).'",';
1330: } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
1331: $Str .= '"",'; # first row empty on the student fields
1332: $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",';
1333: } elsif ($data eq 'scores' || $data eq 'tries' ||
1334: $data eq 'parts correct') {
1335: $Str .= '"",';
1336: $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",';
1337: }
1338: }
1339: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1340: if ($data eq 'sum only' || $data eq 'parts correct') {
1341: $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
1342: '",';
1343: } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
1344: $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
1345: '","",';
1346: $Str2 .= '"score","total possible",';
1347: } elsif ($data eq 'scores' || $data eq 'tries') {
1348: $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
1349: '",';
1350: $Str .= '"",'x($seq->{'num_assess_parts'}-1+2);
1351: foreach my $res (@{$seq->{'contents'}}) {
1352: next if ($res->{'type'} ne 'assessment');
1353: foreach my $part (@{$res->{'parts'}}) {
1354: $Str2 .= '"'.&Apache::loncommon::csv_translate($res->{'title'}.', Part '.$part).'",';
1355: }
1356: }
1357: $Str2 .= '"score","total possible",';
1358: }
1359: }
1360: chop($Str);
1361: $Str .= "\n";
1362: print $outputfile $Str;
1363: if (defined($Str2)) {
1364: chop($Str2);
1365: $Str2 .= "\n";
1366: print $outputfile $Str2;
1367: }
1368: #
1369: # Initialize progress window
1370: my $studentcount = scalar(@Apache::lonstatistics::Students);
1371: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1372: ($r,'CSV File Compilation Status',
1373: 'CSV File Compilation Progress', $studentcount);
1374: return;
1375: }
1376:
1377: sub csv_outputstudent {
1378: my ($r,$student) = @_;
1379: return if ($request_aborted);
1380: return if (! defined($outputfile));
1381: my $Str = '';
1382: #
1383: # Output student fields
1384: my @to_show = &get_student_fields_to_show();
1385: foreach my $field (@to_show) {
1386: $Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",';
1387: }
1388: #
1389: # Get student assessment data
1390: my %StudentsData;
1391: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1392: $student->{'domain'},
1393: undef,
1394: $ENV{'request.course.id'});
1395: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1396: %StudentsData = @tmp;
1397: }
1398: #
1399: # Output performance data
1400: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1401: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1402: if ($base eq 'tries') {
1403: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1404: &StudentTriesOnSequence($student,\%StudentsData,
1405: $seq,'no');
1406: } else {
1407: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1408: &StudentPerformanceOnSequence($student,\%StudentsData,
1409: $seq,'no');
1410: }
1411: if ($data eq 'sum only' || $data eq 'parts correct') {
1412: $Str .= '"'.$score.'",';
1413: } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
1414: $Str .= '"'.$score.'","'.$seq_max.'",';
1415: } elsif ($data eq 'scores' || $data eq 'tries') {
1416: $Str .= '"'.join('","',(@$rawdata,$score,$seq_max)).'",';
1417: }
1418: }
1419: chop($Str);
1420: $Str .= "\n";
1421: print $outputfile $Str;
1422: #
1423: # Update the progress window
1424: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1425: return;
1426: }
1427:
1428: sub csv_finish {
1429: my ($r) = @_;
1430: return if ($request_aborted);
1431: return if (! defined($outputfile));
1432: close($outputfile);
1433: #
1434: my $c = $r->connection();
1435: return if ($c->aborted());
1436: #
1437: # Close the progress window
1438: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1439: #
1440: # Tell the user where to get their csv file
1441: $r->print('<br />'.
1442: '<a href="'.$filename.'">Your csv file.</a>'."\n");
1443: $r->rflush();
1444: return;
1445:
1446: }
1447:
1448: }
1449:
1450: #######################################################
1451: #######################################################
1452:
1453: =pod
1454:
1455: =item &StudentTriesOnSequence()
1456:
1457: Inputs:
1458:
1459: =over 4
1460:
1461: =item $student
1462:
1463: =item $studentdata Hash ref to all student data
1464:
1465: =item $seq Hash ref, the sequence we are working on
1466:
1467: =item $links if defined we will output links to each resource.
1468:
1469: =back
1470:
1471: =cut
1472:
1473: #######################################################
1474: #######################################################
1475: sub StudentTriesOnSequence {
1476: my ($student,$studentdata,$seq,$links) = @_;
1477: $links = 'no' if (! defined($links));
1478: my $Str = '';
1479: my ($sum,$max) = (0,0);
1480: my $performance_length = 0;
1481: my @TriesData = ();
1482: my $tries;
1483: foreach my $resource (@{$seq->{'contents'}}) {
1484: next if ($resource->{'type'} ne 'assessment');
1485: my $resource_data = $studentdata->{$resource->{'symb'}};
1486: my $value = '';
1487: foreach my $partnum (@{$resource->{'parts'}}) {
1488: $tries = undef;
1489: $max++;
1490: $performance_length++;
1491: my $symbol = ' '; # default to space
1492: #
1493: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1494: my $status = $resource_data->{'resource.'.$partnum.'.solved'};
1495: if ($status eq 'correct_by_override') {
1496: $symbol = '+';
1497: $sum++;
1498: } elsif ($status eq 'incorrect_by_override') {
1499: $symbol = '-';
1500: } elsif ($status eq 'ungraded_attempted') {
1501: $symbol = '#';
1502: } elsif ($status eq 'incorrect_attempted') {
1503: $symbol = '.';
1504: } elsif ($status eq 'excused') {
1505: $symbol = 'x';
1506: $max--;
1507: } elsif (($status eq 'correct_by_scantron' ||
1508: $status eq 'correct_by_student') &&
1509: exists($resource_data->{'resource.'.$partnum.'.tries'})){
1510: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1511: if ($tries > 9) {
1512: $symbol = '*';
1513: } elsif ($tries > 0) {
1514: $symbol = $tries;
1515: } else {
1516: $symbol = ' ';
1517: }
1518: $sum++;
1519: } elsif (exists($resource_data->{'resource.'.
1520: $partnum.'.tries'})){
1521: $symbol = '.';
1522: } else {
1523: $symbol = ' ';
1524: }
1525: } else {
1526: # Unsolved. Did they try?
1527: if (exists($resource_data->{'resource.'.$partnum.'.tries'})){
1528: $symbol = '.';
1529: } else {
1530: $symbol = ' ';
1531: }
1532: }
1533: #
1534: if (! defined($tries)) {
1535: $tries = $symbol;
1536: }
1537: push (@TriesData,$tries);
1538: #
1539: if ( ($links eq 'yes' && $symbol ne ' ') ||
1540: ($links eq 'all')) {
1541: if (length($symbol) > 1) {
1542: &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
1543: }
1544: $symbol = '<a href="/adm/grades'.
1545: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1546: '&student='.$student->{'username'}.
1547: '&userdom='.$student->{'domain'}.
1548: '&command=submission">'.$symbol.'</a>';
1549: }
1550: $value .= $symbol;
1551: }
1552: $Str .= $value;
1553: }
1554: if ($seq->{'randompick'}) {
1555: $max = $seq->{'randompick'};
1556: }
1557: return ($Str,$performance_length,$sum,$max,\@TriesData);
1558: }
1559:
1560: #######################################################
1561: #######################################################
1562:
1563: =pod
1564:
1565: =item &StudentPerformanceOnSequence()
1566:
1567: Inputs:
1568:
1569: =over 4
1570:
1571: =item $student
1572:
1573: =item $studentdata Hash ref to all student data
1574:
1575: =item $seq Hash ref, the sequence we are working on
1576:
1577: =item $links if defined we will output links to each resource.
1578:
1579: =back
1580:
1581: =cut
1582:
1583: #######################################################
1584: #######################################################
1585: sub StudentPerformanceOnSequence {
1586: my ($student,$studentdata,$seq,$links) = @_;
1587: $links = 'no' if (! defined($links));
1588: my $Str = ''; # final result string
1589: my ($score,$max) = (0,0);
1590: my $performance_length = 0;
1591: my $symbol;
1592: my @ScoreData = ();
1593: my $partscore;
1594: foreach my $resource (@{$seq->{'contents'}}) {
1595: next if ($resource->{'type'} ne 'assessment');
1596: my $resource_data = $studentdata->{$resource->{'symb'}};
1597: foreach my $part (@{$resource->{'parts'}}) {
1598: $partscore = undef;
1599: my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
1600: $resource->{'symb'},
1601: $student->{'domain'},
1602: $student->{'username'},
1603: $student->{'section'});
1604: if (!defined($weight) || ($weight eq '')) {
1605: $weight=1;
1606: }
1607: #
1608: $max += $weight; # see the 'excused' branch below...
1609: $performance_length++; # one character per part
1610: $symbol = ' '; # default to space
1611: #
1612: my $awarded = 0;
1613: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
1614: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1615: $awarded = 0 if (! $awarded);
1616: }
1617: #
1618: $partscore = $weight*$awarded;
1619: $score += $partscore;
1620: $symbol = $partscore;
1621: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
1622: $symbol = sprintf("%.0f",$symbol);
1623: }
1624: if (length($symbol) > 1) {
1625: $symbol = '*';
1626: }
1627: if (exists($resource_data->{'resource.'.$part.'.solved'})) {
1628: my $status = $resource_data->{'resource.'.$part.'.solved'};
1629: if ($status eq 'excused') {
1630: $symbol = 'x';
1631: $max -= $weight; # Do not count 'excused' problems.
1632: }
1633: } else {
1634: # Unsolved. Did they try?
1635: if (exists($resource_data->{'resource.'.$part.'.tries'})){
1636: $symbol = '.';
1637: } else {
1638: $symbol = ' ';
1639: }
1640: }
1641: #
1642: if (! defined($partscore)) {
1643: $partscore = $symbol;
1644: }
1645: push (@ScoreData,$partscore);
1646: #
1647: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1648: $symbol = '<a href="/adm/grades'.
1649: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1650: '&student='.$student->{'username'}.
1651: '&userdom='.$student->{'domain'}.
1652: '&command=submission">'.$symbol.'</a>';
1653: }
1654: $Str .= $symbol;
1655: }
1656: }
1657: return ($Str,$performance_length,$score,$max,\@ScoreData);
1658: }
1659:
1660: #######################################################
1661: #######################################################
1662:
1663: =pod
1664:
1665: =item &CreateLegend()
1666:
1667: This function returns a formatted string containing the legend for the
1668: chart. The legend describes the symbols used to represent grades for
1669: problems.
1670:
1671: =cut
1672:
1673: #######################################################
1674: #######################################################
1675: sub CreateLegend {
1676: my $Str = "<p><pre>".
1677: " 1 correct by student in 1 try\n".
1678: " 7 correct by student in 7 tries\n".
1679: " * correct by student in more than 9 tries\n".
1680: " + correct by hand grading or override\n".
1681: " - incorrect by override\n".
1682: " . incorrect attempted\n".
1683: " # ungraded attempted\n".
1684: " not attempted (blank field)\n".
1685: " x excused".
1686: "</pre><p>";
1687: return $Str;
1688: }
1689:
1690: #######################################################
1691: #######################################################
1692:
1693: =pod
1694:
1695: =back
1696:
1697: =cut
1698:
1699: #######################################################
1700: #######################################################
1701:
1702: 1;
1703:
1704: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonstudentassessment.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface / statistics