File:
[LON-CAPA] /
loncom /
interface /
statistics /
lonstudentassessment.pm
Revision
1.103:
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Thu Jul 15 21:08:45 2004 UTC (19 years, 11 months ago) by
matthew
Branches:
MAIN
CVS tags:
HEAD
Added support for "Gradebook: Ability to add text to rep".
lonmsg.pm: Added &retrieve_instructor_comments
lonstatistics.pm: Added 'comments' field to student data selector.
lonaboutme.pm: Added anchor for comments section.
lonstudentassessment: Added output for "comments" column:
html: link is included
excel & csv: text is included, although excel has limits.
1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.103 2004/07/15 21:08:45 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::loncommon();
56: use Apache::loncoursedata;
57: use Apache::lonnet; # for logging porpoises
58: use Apache::lonlocal;
59: use Spreadsheet::WriteExcel;
60: use Spreadsheet::WriteExcel::Utility();
61:
62: #######################################################
63: #######################################################
64: =pod
65:
66: =item Package Variables
67:
68: =over 4
69:
70: =item $Statistics Hash ref to store student data. Indexed by symb,
71: contains hashes with keys 'score' and 'max'.
72:
73: =cut
74:
75: #######################################################
76: #######################################################
77:
78: my $Statistics;
79:
80: #######################################################
81: #######################################################
82:
83: =pod
84:
85: =item $show_links 'yes' or 'no' for linking to student performance data
86:
87: =item $output_mode 'html', 'excel', or 'csv' for output mode
88:
89: =item $show 'all', 'totals', or 'scores' determines how much data is output
90:
91: =item $single_student_mode evaluates to true if we are showing only one
92: student.
93:
94: =cut
95:
96: #######################################################
97: #######################################################
98: my $show_links;
99: my $output_mode;
100: my $chosen_output;
101: my $single_student_mode;
102:
103: #######################################################
104: #######################################################
105: # End of package variable declarations
106:
107: =pod
108:
109: =back
110:
111: =cut
112:
113: #######################################################
114: #######################################################
115:
116: =pod
117:
118: =item &BuildStudentAssessmentPage()
119:
120: Inputs:
121:
122: =over 4
123:
124: =item $r Apache Request
125:
126: =item $c Apache Connection
127:
128: =back
129:
130: =cut
131:
132: #######################################################
133: #######################################################
134: sub BuildStudentAssessmentPage {
135: my ($r,$c)=@_;
136: #
137: undef($Statistics);
138: undef($show_links);
139: undef($output_mode);
140: undef($chosen_output);
141: undef($single_student_mode);
142: #
143: my %Saveable_Parameters = ('Status' => 'scalar',
144: 'chartoutputmode' => 'scalar',
145: 'chartoutputdata' => 'scalar',
146: 'Section' => 'array',
147: 'StudentData' => 'array',
148: 'Maps' => 'array');
149: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
150: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
151: #
152: &Apache::lonstatistics::PrepareClasslist();
153: #
154: $single_student_mode = 0;
155: $single_student_mode = 1 if ($ENV{'form.SelectedStudent'});
156: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
157: ['selectstudent']);
158: if ($ENV{'form.selectstudent'}) {
159: &Apache::lonstatistics::DisplayClasslist($r);
160: return;
161: }
162: #
163: # Print out the HTML headers for the interface
164: # This also parses the output mode selector
165: # This step must *always* be done.
166: $r->print(&CreateInterface());
167: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
168: $r->print('<input type="hidden" name="sort" value="'.
169: $ENV{'form.sort'}.'" />');
170: $r->rflush();
171: #
172: if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {
173: return;
174: }
175: #
176: my $initialize = \&html_initialize;
177: my $output_student = \&html_outputstudent;
178: my $finish = \&html_finish;
179: #
180: if ($output_mode eq 'excel') {
181: $initialize = \&excel_initialize;
182: $output_student = \&excel_outputstudent;
183: $finish = \&excel_finish;
184: } elsif ($output_mode eq 'csv') {
185: $initialize = \&csv_initialize;
186: $output_student = \&csv_outputstudent;
187: $finish = \&csv_finish;
188: }
189: #
190: if($c->aborted()) { return ; }
191: #
192: # Determine which students we want to look at
193: my @Students;
194: if ($single_student_mode) {
195: @Students = (&Apache::lonstatistics::current_student());
196: $r->print(&next_and_previous_buttons());
197: $r->rflush();
198: } else {
199: @Students = @Apache::lonstatistics::Students;
200: }
201: #
202: # Perform generic initialization tasks
203: # Since we use lonnet::EXT to retrieve problem weights,
204: # to ensure current data we must clear the caches out.
205: # This makes sure that parameter changes at the student level
206: # are immediately reflected in the chart.
207: &Apache::lonnet::clear_EXT_cache_status();
208: #
209: # Clean out loncoursedata's package data, just to be safe.
210: &Apache::loncoursedata::clear_internal_caches();
211: #
212: # Call the initialize routine selected above
213: $initialize->($r);
214: foreach my $student (@Students) {
215: if($c->aborted()) {
216: $finish->($r);
217: return ;
218: }
219: # Call the output_student routine selected above
220: $output_student->($r,$student);
221: }
222: # Call the "finish" routine selected above
223: $finish->($r);
224: #
225: return;
226: }
227:
228: #######################################################
229: #######################################################
230: sub next_and_previous_buttons {
231: my $Str = '';
232: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
233: $ENV{'form.SelectedStudent'}.'" />';
234: #
235: # Build the previous student link
236: my $previous = &Apache::lonstatistics::previous_student();
237: my $previousbutton = '';
238: if (defined($previous)) {
239: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
240: $previousbutton .= '<input type="button" value="'.
241: 'Previous Student ('.
242: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
243: '" onclick="document.Statistics.SelectedStudent.value='.
244: "'".$sname."'".';'.
245: 'document.Statistics.submit();" />';
246: } else {
247: $previousbutton .= '<input type="button" value="'.
248: 'Previous student (none)'.'" />';
249: }
250: #
251: # Build the next student link
252: my $next = &Apache::lonstatistics::next_student();
253: my $nextbutton = '';
254: if (defined($next)) {
255: my $sname = $next->{'username'}.':'.$next->{'domain'};
256: $nextbutton .= '<input type="button" value="'.
257: 'Next Student ('.
258: $next->{'username'}.'@'.$next->{'domain'}.')'.
259: '" onclick="document.Statistics.SelectedStudent.value='.
260: "'".$sname."'".';'.
261: 'document.Statistics.submit();" />';
262: } else {
263: $nextbutton .= '<input type="button" value="'.
264: 'Next student (none)'.'" />';
265: }
266: #
267: # Build the 'all students' button
268: my $all = '';
269: $all .= '<input type="button" value="All Students" '.
270: '" onclick="document.Statistics.SelectedStudent.value='.
271: "''".';'.'document.Statistics.submit();" />';
272: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
273: return $Str;
274: }
275:
276: #######################################################
277: #######################################################
278:
279: sub get_student_fields_to_show {
280: my @to_show = @Apache::lonstatistics::SelectedStudentData;
281: foreach (@to_show) {
282: if ($_ eq 'all') {
283: @to_show = @Apache::lonstatistics::StudentDataOrder;
284: last;
285: }
286: }
287: return @to_show;
288: }
289:
290: #######################################################
291: #######################################################
292:
293: =pod
294:
295: =item &CreateInterface()
296:
297: Called by &BuildStudentAssessmentPage to create the top part of the
298: page which displays the chart.
299:
300: Inputs: None
301:
302: Returns: A string containing the HTML for the headers and top table for
303: the chart page.
304:
305: =cut
306:
307: #######################################################
308: #######################################################
309: sub CreateInterface {
310: my $Str = '';
311: $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Chart');
312: # $Str .= &CreateLegend();
313: $Str .= '<table cellspacing="5">'."\n";
314: $Str .= '<tr>';
315: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
316: $Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';
317: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
318: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
319: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
320: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
321: '</td>';
322: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
323: &Apache::loncommon::help_open_topic("Chart_Output_Data").
324: '</td>';
325: $Str .= '</tr>'."\n";
326: #
327: $Str .= '<tr><td align="center">'."\n";
328: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
329: $Str .= '</td><td align="center">';
330: my $only_seq_with_assessments = sub {
331: my $s=shift;
332: if ($s->{'num_assess'} < 1) {
333: return 0;
334: } else {
335: return 1;
336: }
337: };
338: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
339: 5,undef);
340: $Str .= '</td><td>'."\n";
341: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
342: $Str .= '</td><td>'."\n";
343: $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
344: $only_seq_with_assessments);
345: $Str .= '</td><td>'."\n";
346: $Str .= &CreateAndParseOutputSelector();
347: $Str .= '</td><td>'."\n";
348: $Str .= &CreateAndParseOutputDataSelector();
349: $Str .= '</td></tr>'."\n";
350: $Str .= '</table>'."\n";
351: $Str .= '<input type="submit" name="Generate Chart" value="'.
352: &mt('Generate Chart').'" />';
353: $Str .= ' 'x5;
354: $Str .= '<input type="submit" name="selectstudent" value="'.
355: &mt('Select One Student').'" />';
356: $Str .= ' 'x5;
357: $Str .= '<input type="submit" name="ClearCache" value="'.
358: &mt('Clear Caches').'" />';
359: $Str .= ' 'x5;
360: $Str .= '<br />';
361: return $Str;
362: }
363:
364: #######################################################
365: #######################################################
366:
367: =pod
368:
369: =item &CreateAndParseOutputSelector()
370:
371: =cut
372:
373: #######################################################
374: #######################################################
375: my @OutputOptions =
376: ({ name => 'HTML, with links',
377: value => 'html, with links',
378: description => 'Output HTML with each symbol linked to the problem '.
379: 'which generated it.',
380: mode => 'html',
381: show_links => 'yes',
382: },
383: { name => 'HTML, with all links',
384: value => 'html, with all links',
385: description => 'Output HTML with each symbol linked to the problem '.
386: 'which generated it. '.
387: 'This includes links for unattempted problems.',
388: mode => 'html',
389: show_links => 'all',
390: },
391: { name => 'HTML, without links',
392: value => 'html, without links',
393: description => 'Output HTML. By not including links, the size of the'.
394: ' web page is greatly reduced. If your browser crashes on the '.
395: 'full display, try this.',
396: mode => 'html',
397: show_links => 'no',
398: },
399: { name => 'Excel',
400: value => 'excel',
401: description => 'Output an Excel file (compatable with Excel 95).',
402: mode => 'excel',
403: show_links => 'no',
404: },
405: { name => 'CSV',
406: value => 'csv',
407: description => 'Output a comma separated values file suitable for '.
408: 'import into a spreadsheet program. Using this method as opposed '.
409: 'to Excel output allows you to organize your data before importing'.
410: ' it into a spreadsheet program.',
411: mode => 'csv',
412: show_links => 'no',
413: },
414: );
415:
416: sub OutputDescriptions {
417: my $Str = '';
418: $Str .= "<h2>Output Formats</h2>\n";
419: $Str .= "<dl>\n";
420: foreach my $outputmode (@OutputOptions) {
421: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
422: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
423: }
424: $Str .= "</dl>\n";
425: return $Str;
426: }
427:
428: sub CreateAndParseOutputSelector {
429: my $Str = '';
430: my $elementname = 'chartoutputmode';
431: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
432: [$elementname]);
433: #
434: # Format for output options is 'mode, restrictions';
435: my $selected = 'html, without links';
436: if (exists($ENV{'form.'.$elementname})) {
437: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
438: $selected = $ENV{'form.'.$elementname}->[0];
439: } else {
440: $selected = $ENV{'form.'.$elementname};
441: }
442: }
443: #
444: # Set package variables describing output mode
445: $show_links = 'no';
446: $output_mode = 'html';
447: foreach my $option (@OutputOptions) {
448: next if ($option->{'value'} ne $selected);
449: $output_mode = $option->{'mode'};
450: $show_links = $option->{'show_links'};
451: }
452:
453: #
454: # Build the form element
455: $Str = qq/<select size="5" name="$elementname">/;
456: foreach my $option (@OutputOptions) {
457: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
458: $Str .= " selected " if ($option->{'value'} eq $selected);
459: $Str .= ">".&mt($option->{'name'})."<\/option>";
460: }
461: $Str .= "\n</select>";
462: return $Str;
463: }
464:
465: ##
466: ## Data selector stuff
467: ##
468: my @OutputDataOptions =
469: (
470: { name => 'Scores Summary',
471: base => 'scores',
472: value => 'sum and total',
473: scores => 1,
474: tries => 0,
475: every_problem => 0,
476: sequence_sum => 1,
477: sequence_max => 1,
478: grand_total => 1,
479: grand_maximum => 1,
480: summary_table => 1,
481: maximum_row => 1,
482: shortdesc => 'Total Score and Maximum Possible for each '.
483: 'Sequence or Folder',
484: longdesc => 'The score of each student as well as the '.
485: ' maximum possible on each Sequence or Folder.',
486: },
487: { name => 'Scores Per Problem',
488: base => 'scores',
489: value => 'scores',
490: scores => 1,
491: tries => 0,
492: correct => 0,
493: every_problem => 1,
494: sequence_sum => 1,
495: sequence_max => 1,
496: grand_total => 1,
497: grand_maximum => 1,
498: summary_table => 1,
499: maximum_row => 1,
500: shortdesc => 'Score on each Problem Part',
501: longdesc =>'The students score on each problem part, computed as'.
502: 'the part weight * part awarded',
503: },
504: { name =>'Tries',
505: base =>'tries',
506: value => 'tries',
507: scores => 0,
508: tries => 1,
509: correct => 0,
510: every_problem => 1,
511: sequence_sum => 0,
512: sequence_max => 0,
513: grand_total => 0,
514: grand_maximum => 0,
515: summary_table => 0,
516: maximum_row => 0,
517: shortdesc => 'Number of Tries before success on each Problem Part',
518: longdesc =>'The number of tries before success on each problem part.',
519: },
520: { name =>'Parts Correct',
521: base =>'tries',
522: value => 'parts correct total',
523: scores => 0,
524: tries => 0,
525: correct => 1,
526: every_problem => 1,
527: sequence_sum => 1,
528: sequence_max => 1,
529: grand_total => 1,
530: grand_maximum => 1,
531: summary_table => 1,
532: maximum_row => 0,
533: shortdesc => 'Number of Problem Parts completed successfully.',
534: longdesc => 'The Number of Problem Parts completed successfully and '.
535: 'the maximum possible for each student',
536: },
537: );
538:
539: sub HTMLifyOutputDataDescriptions {
540: my $Str = '';
541: $Str .= "<h2>Output Data</h2>\n";
542: $Str .= "<dl>\n";
543: foreach my $option (@OutputDataOptions) {
544: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
545: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
546: }
547: $Str .= "</dl>\n";
548: return $Str;
549: }
550:
551: sub CreateAndParseOutputDataSelector {
552: my $Str = '';
553: my $elementname = 'chartoutputdata';
554: #
555: my $selected = 'scores';
556: if (exists($ENV{'form.'.$elementname})) {
557: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
558: $selected = $ENV{'form.'.$elementname}->[0];
559: } else {
560: $selected = $ENV{'form.'.$elementname};
561: }
562: }
563: #
564: $chosen_output = $OutputDataOptions[0];
565: foreach my $option (@OutputDataOptions) {
566: if ($option->{'value'} eq $selected) {
567: $chosen_output = $option;
568: }
569: }
570: #
571: # Build the form element
572: $Str = qq/<select size="5" name="$elementname">/;
573: foreach my $option (@OutputDataOptions) {
574: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
575: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
576: $Str .= ">".&mt($option->{'name'})."<\/option>";
577: }
578: $Str .= "\n</select>";
579: return $Str;
580:
581: }
582:
583: #######################################################
584: #######################################################
585:
586: =pod
587:
588: =head2 HTML output routines
589:
590: =item &html_initialize($r)
591:
592: Create labels for the columns of student data to show.
593:
594: =item &html_outputstudent($r,$student)
595:
596: Return a line of the chart for a student.
597:
598: =item &html_finish($r)
599:
600: =cut
601:
602: #######################################################
603: #######################################################
604: {
605: my $padding;
606: my $count;
607:
608: my $nodata_count; # The number of students for which there is no data
609: my %prog_state; # progress state used by loncommon PrgWin routines
610: my $total_sum_width;
611:
612: sub html_initialize {
613: my ($r) = @_;
614: #
615: $padding = ' 'x3;
616: $count = 0;
617: $nodata_count = 0;
618: undef(%prog_state);
619: #
620: $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
621: " ".localtime(time)."</h3>");
622:
623: if ($chosen_output->{'base'} !~ /^final table/) {
624: $r->print("<h3>".$chosen_output->{'shortdesc'}."</h3>");
625: }
626: my $Str = "<pre>\n";
627: # First, the @StudentData fields need to be listed
628: my @to_show = &get_student_fields_to_show();
629: foreach my $field (@to_show) {
630: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
631: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
632: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
633: $Str .= $title.' 'x($width-$base).$padding;
634: }
635: #
636: # Compute the column widths and output the sequence titles
637: my $total_count;
638: foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
639: #
640: # Comptue column widths
641: $sequence->{'width_sum'} = 0;
642: if ($chosen_output->{'sequence_sum'}) {
643: if ($chosen_output->{'every_problem'}) {
644: # Use 1 digit for a space
645: $sequence->{'width_sum'} += 1;
646: }
647: $total_count += $sequence->{'num_assess_parts'};
648: # Use 3 digits for the sum
649: $sequence->{'width_sum'} += 3;
650: }
651: if ($chosen_output->{'sequence_max'}) {
652: if ($sequence->{'width_sum'}>0) {
653: # One digit for the '/'
654: $sequence->{'width_sum'} +=1;
655: }
656: # Use 3 digits for the total
657: $sequence->{'width_sum'}+=3;
658: }
659: #
660: if ($chosen_output->{'every_problem'}) {
661: # one problem per digit
662: $sequence->{'width_problem'} = $sequence->{'num_assess_parts'};
663: } else {
664: $sequence->{'width_problem'} = 0;
665: }
666: $sequence->{'width_total'} = $sequence->{'width_problem'} +
667: $sequence->{'width_sum'};
668: if ($sequence->{'width_total'} < length(&HTML::Entities::decode($sequence->{'title'}))) {
669: $sequence->{'width_total'} = length(&HTML::Entities::decode($sequence->{'title'}));
670: }
671: #
672: # Output the sequence titles
673: $Str .=
674: $sequence->{'title'}.' 'x($sequence->{'width_total'}-
675: length($sequence->{'title'})
676: ).$padding;
677: }
678: $total_sum_width = length($total_count)+1;
679: $Str .= " total</pre>\n";
680: $Str .= "<pre>";
681: $r->print($Str);
682: $r->rflush();
683: return;
684: }
685:
686: sub html_outputstudent {
687: my ($r,$student) = @_;
688: my $Str = '';
689: #
690: if($count++ % 5 == 0 && $count > 0) {
691: $r->print("</pre><pre>");
692: }
693: # First, the @StudentData fields need to be listed
694: my @to_show = &get_student_fields_to_show();
695: foreach my $field (@to_show) {
696: my $title=$student->{$field};
697: # Deal with 'comments' - how I love special cases
698: if ($field eq 'comments') {
699: $title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
700: }
701: my $base = length($title);
702: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
703: $Str .= $title.' 'x($width-$base).$padding;
704: }
705: # Get ALL the students data
706: my %StudentsData;
707: my @tmp = &Apache::loncoursedata::get_current_state
708: ($student->{'username'},$student->{'domain'},undef,
709: $ENV{'request.course.id'});
710: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
711: %StudentsData = @tmp;
712: }
713: if (scalar(@tmp) < 1) {
714: $nodata_count++;
715: $Str .= '<font color="blue">No Course Data</font>'."\n";
716: $r->print($Str);
717: $r->rflush();
718: return;
719: }
720: #
721: # By sequence build up the data
722: my $studentstats;
723: my $PerformanceStr = '';
724: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
725: my ($performance,$performance_length,$score,$seq_max,$rawdata);
726: if ($chosen_output->{'tries'}) {
727: ($performance,$performance_length,$score,$seq_max,$rawdata) =
728: &StudentTriesOnSequence($student,\%StudentsData,
729: $seq,$show_links);
730: } else {
731: ($performance,$performance_length,$score,$seq_max,$rawdata) =
732: &StudentPerformanceOnSequence($student,\%StudentsData,
733: $seq,$show_links);
734: }
735: my $ratio='';
736: if ($chosen_output->{'every_problem'}) {
737: $ratio .= ' ';
738: }
739: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
740: $ratio .= sprintf("%3.0f",$score);
741: } elsif($chosen_output->{'sequence_sum'}) {
742: $ratio .= ' 'x3;
743: }
744: if ($chosen_output->{'sequence_max'}) {
745: if ($chosen_output->{'sequence_sum'}) {
746: $ratio .= '/';
747: }
748: $ratio .= sprintf("%3.0f",$seq_max);
749: }
750: #
751: if (! $chosen_output->{'every_problem'}) {
752: $performance = '';
753: $performance_length=0;
754: }
755: $performance .= ' 'x($seq->{'width_total'}-$performance_length-$seq->{'width_sum'}).
756: $ratio;
757: #
758: $Str .= $performance.$padding;
759: #
760: $studentstats->{$seq->{'symb'}}->{'score'}= $score;
761: $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
762: }
763: #
764: # Total it up and store the statistics info.
765: my ($score,$max);
766: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
767: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
768: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
769: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
770: }
771: if ($seq_stats->{'score'} ne ' ') {
772: $score += $seq_stats->{'score'};
773: $Statistics->{$symb}->{'num_students'}++;
774: }
775: $max += $seq_stats->{'max'};
776: }
777: if (! defined($score)) {
778: $score = ' ' x $total_sum_width;
779: }
780: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
781: $Str .= " \n";
782: #
783: $r->print($Str);
784: #
785: $r->rflush();
786: return;
787: }
788:
789: sub html_finish {
790: my ($r) = @_;
791: #
792: # Check for suppressed output and close the progress window if so
793: $r->print("</pre>\n");
794: if ($chosen_output->{'summary_table'}) {
795: if ($single_student_mode) {
796: $r->print(&SingleStudentTotal());
797: } else {
798: $r->print(&StudentAverageTotal());
799: }
800: }
801: $r->rflush();
802: return;
803: }
804:
805: sub StudentAverageTotal {
806: my $Str = "<h3>Summary Tables</h3>\n";
807: # my $max_students;
808: # my $total_ave = 0;
809: # my $total_max = 0;
810: $Str .= '<table border=2 cellspacing="1">'."\n";
811: $Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";
812: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
813: my $ave;
814: my $num_students = $Statistics->{$seq->{'symb'}}->{'num_students'};
815: # if ($num_students > $max_students) {
816: # $max_students = $num_students;
817: # }
818: if ($num_students > 0) {
819: $ave = int(100*
820: ($Statistics->{$seq->{'symb'}}->{'score'}/$num_students)
821: )/100;
822: } else {
823: $ave = 0;
824: }
825: # $total_ave += $ave;
826: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
827: # $total_max += $max;
828: $ave = sprintf("%.2f",$ave);
829: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
830: '<td align="right">'.$ave.' </td>'.
831: '<td align="right">'.$max.' '.'</td></tr>'."\n";
832: }
833: # $total_ave = sprintf('%.2f',$total_ave); # only two digit
834: $Str .= "</table>\n";
835: # $Str .= '<table border=2 cellspacing="1">'."\n";
836: # $Str .= '<tr><th>Number of Students</th><th>Average</th>'.
837: # "<th>Maximum</th></tr>\n";
838: # $Str .= '<tr>'.
839: # '<td align="right">'.$max_students.'</td>'.
840: # '<td align="right">'.$total_ave.' '.'</td>'.
841: # '<td align="right">'.$total_max.' '.'</td>';
842: # $Str .= "</table>\n";
843: return $Str;
844: }
845:
846: sub SingleStudentTotal {
847: my $student = &Apache::lonstatistics::current_student();
848: my $Str = "<h3>Summary table for ".$student->{'fullname'}." ".
849: $student->{'username'}.'@'.$student->{'domain'}."</h3>\n";
850: $Str .= '<table border=2 cellspacing="1">'."\n";
851: $Str .=
852: "<tr><th>Sequence or Folder</th><th>Score</th><th>Maximum</th></tr>\n";
853: my $total = 0;
854: my $total_max = 0;
855: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
856: my $value = $Statistics->{$seq->{'symb'}}->{'score'};
857: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
858: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
859: '<td align="right">'.$value.'</td>'.
860: '<td align="right">'.$max.'</td></tr>'."\n";
861: $total += $value;
862: $total_max +=$max;
863: }
864: $Str .= '<tr><td><b>Total</b></td>'.
865: '<td align="right">'.$total.'</td>'.
866: '<td align="right">'.$total_max."</td></tr>\n";
867: $Str .= "</table>\n";
868: return $Str;
869: }
870:
871: }
872:
873: #######################################################
874: #######################################################
875:
876: =pod
877:
878: =head2 EXCEL subroutines
879:
880: =item &excel_initialize($r)
881:
882: =item &excel_outputstudent($r,$student)
883:
884: =item &excel_finish($r)
885:
886: =cut
887:
888: #######################################################
889: #######################################################
890: {
891:
892: my $excel_sheet;
893: my $excel_workbook;
894:
895: my $filename;
896: my $rows_output;
897: my $cols_output;
898:
899: my %prog_state; # progress window state
900: my $request_aborted;
901:
902: my $total_formula;
903: my $maximum_formula;
904:
905: sub excel_initialize {
906: my ($r) = @_;
907: #
908: undef ($excel_sheet);
909: undef ($excel_workbook);
910: undef ($filename);
911: undef ($rows_output);
912: undef ($cols_output);
913: undef (%prog_state);
914: undef ($request_aborted);
915: undef ($total_formula);
916: undef ($maximum_formula);
917: #
918: my $total_columns = scalar(&get_student_fields_to_show());
919: my $num_students = scalar(@Apache::lonstatistics::Students);
920: #
921: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
922: if ($chosen_output->{'every_problem'}) {
923: $total_columns += $seq->{'num_assess_parts'};
924: }
925: # Add 2 because we need a 'sequence_sum' and 'total' column for each
926: $total_columns += 2;
927: }
928: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
929: $r->print(<<END);
930: <h2>Unable to Complete Request</h2>
931: <p>
932: LON-CAPA is unable to produce your Excel spreadsheet because your selections
933: will result in more than 255 columns. Excel allows only 255 columns in a
934: spreadsheet.
935: </p><p>
936: You may consider reducing the number of <b>Sequences or Folders</b> you
937: have selected.
938: </p><p>
939: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
940: summary data (<b>Parts Correct</b> or <b>Parts Correct & Totals</b>).
941: </p>
942: END
943: $request_aborted = 1;
944: }
945: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
946: $r->print(<<END);
947: <h2>Unable to Complete Request</h2>
948: <p>
949: LON-CAPA is unable to produce your Excel spreadsheet because your selections
950: will result in more than 255 columns. Excel allows only 255 columns in a
951: spreadsheet.
952: </p><p>
953: You may consider reducing the number of <b>Sequences or Folders</b> you
954: have selected.
955: </p><p>
956: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
957: <b>Scores Summary</b> data.
958: </p>
959: END
960: $request_aborted = 1;
961: }
962: return if ($request_aborted);
963: #
964: $filename = '/prtspool/'.
965: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
966: time.'_'.rand(1000000000).'.xls';
967: #
968: $excel_workbook = undef;
969: $excel_sheet = undef;
970: #
971: $rows_output = 0;
972: $cols_output = 0;
973: #
974: # Determine rows
975: my $header_row = $rows_output++;
976: my $description_row = $rows_output++;
977: $rows_output++; # blank row
978: my $summary_header_row;
979: if ($chosen_output->{'summary_table'}) {
980: $summary_header_row = $rows_output++;
981: $rows_output+= scalar(&Apache::lonstatistics::Sequences_with_Assess());
982: $rows_output++;
983: }
984: my $sequence_name_row = $rows_output++;
985: my $resource_name_row = $rows_output++;
986: my $maximum_data_row = $rows_output++;
987: if (! $chosen_output->{'maximum_row'}) {
988: $rows_output--;
989: }
990: my $first_data_row = $rows_output++;
991: #
992: # Create sheet
993: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
994: #
995: # Check for errors
996: if (! defined($excel_workbook)) {
997: $r->log_error("Error creating excel spreadsheet $filename: $!");
998: $r->print("Problems creating new Excel file. ".
999: "This error has been logged. ".
1000: "Please alert your LON-CAPA administrator");
1001: return ;
1002: }
1003: #
1004: # The excel spreadsheet stores temporary data in files, then put them
1005: # together. If needed we should be able to disable this (memory only).
1006: # The temporary directory must be specified before calling 'addworksheet'.
1007: # File::Temp is used to determine the temporary directory.
1008: $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
1009: #
1010: my $format = &Apache::loncommon::define_excel_formats($excel_workbook);
1011: #
1012: # Add a worksheet
1013: my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1014: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1015: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1016: #
1017: # Put the course description in the header
1018: $excel_sheet->write($header_row,$cols_output++,
1019: $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
1020: $format->{'h1'});
1021: $cols_output += 3;
1022: #
1023: # Put a description of the sections listed
1024: my $sectionstring = '';
1025: my @Sections = @Apache::lonstatistics::SelectedSections;
1026: if (scalar(@Sections) > 1) {
1027: if (scalar(@Sections) > 2) {
1028: my $last = pop(@Sections);
1029: $sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
1030: } else {
1031: $sectionstring = "Sections ".join(' and ',@Sections);
1032: }
1033: } else {
1034: if ($Sections[0] eq 'all') {
1035: $sectionstring = "All sections";
1036: } else {
1037: $sectionstring = "Section ".$Sections[0];
1038: }
1039: }
1040: $excel_sheet->write($header_row,$cols_output++,$sectionstring,
1041: $format->{'h3'});
1042: $cols_output += scalar(@Sections);
1043: #
1044: # Put the date in there too
1045: $excel_sheet->write($header_row,$cols_output++,
1046: 'Compiled on '.localtime(time),$format->{'h3'});
1047: #
1048: $cols_output = 0;
1049: $excel_sheet->write($description_row,$cols_output++,
1050: $chosen_output->{'shortdesc'},
1051: $format->{'h3'});
1052: ##############################################
1053: # Output headings for the raw data
1054: ##############################################
1055: #
1056: # Add the student headers
1057: $cols_output = 0;
1058: foreach my $field (&get_student_fields_to_show()) {
1059: $excel_sheet->write($resource_name_row,$cols_output++,$field,
1060: $format->{'bold'});
1061: }
1062: #
1063: # Add the remaining column headers
1064: my $total_formula_string = '=0';
1065: my $maximum_formula_string = '=0';
1066: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1067: $excel_sheet->write($sequence_name_row,,
1068: $cols_output,$seq->{'title'},$format->{'bold'});
1069: # Determine starting cell
1070: $seq->{'Excel:startcell'}=
1071: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1072: ($first_data_row,$cols_output);
1073: $seq->{'Excel:startcol'}=$cols_output;
1074: my $count = 0;
1075: if ($chosen_output->{'every_problem'}) {
1076: # Put the names of the problems and parts into the sheet
1077: foreach my $res (@{$seq->{'contents'}}) {
1078: if ($res->{'type'} ne 'assessment' ||
1079: ! exists($res->{'parts'}) ||
1080: ref($res->{'parts'}) ne 'ARRAY' ||
1081: scalar(@{$res->{'parts'}}) < 1) {
1082: next;
1083: }
1084: if (scalar(@{$res->{'parts'}}) > 1) {
1085: foreach my $part (@{$res->{'parts'}}) {
1086: $excel_sheet->write($resource_name_row,
1087: $cols_output++,
1088: $res->{'title'}.' part '.$part,
1089: $format->{'bold'});
1090: }
1091: } else {
1092: $excel_sheet->write($resource_name_row,
1093: $cols_output++,
1094: $res->{'title'},$format->{'bold'});
1095: }
1096: $count++;
1097: }
1098: }
1099: # Determine ending cell
1100: if ($count <= 1) {
1101: $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};
1102: $seq->{'Excel:endcol'} = $seq->{'Excel:startcol'};
1103: } else {
1104: $seq->{'Excel:endcell'} =
1105: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1106: ($first_data_row,$cols_output-1);
1107: $seq->{'Excel:endcol'} = $cols_output-1;
1108: }
1109: # Create the formula for summing up this sequence
1110: if (! exists($seq->{'Excel:endcell'}) ||
1111: ! defined($seq->{'Excel:endcell'})) {
1112: $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};
1113: }
1114: $seq->{'Excel:sum'}= $excel_sheet->store_formula
1115: ('=SUM('.$seq->{'Excel:startcell'}.
1116: ':'.$seq->{'Excel:endcell'}.')');
1117: # Determine cell the score is held in
1118: $seq->{'Excel:scorecell'} =
1119: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1120: ($first_data_row,$cols_output);
1121: $seq->{'Excel:scorecol'}=$cols_output;
1122: if ($chosen_output->{'base'} eq 'parts correct total') {
1123: $excel_sheet->write($resource_name_row,$cols_output++,
1124: 'parts correct',
1125: $format->{'bold'});
1126: } elsif ($chosen_output->{'sequence_sum'}) {
1127: if ($chosen_output->{'correct'}) {
1128: # Only reporting the number correct, so do not call it score
1129: $excel_sheet->write($resource_name_row,$cols_output++,
1130: 'sum',
1131: $format->{'bold'});
1132: } else {
1133: $excel_sheet->write($resource_name_row,$cols_output++,
1134: 'score',
1135: $format->{'bold'});
1136: }
1137: }
1138: #
1139: $total_formula_string.='+'.
1140: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1141: ($first_data_row,$cols_output-1);
1142: if ($chosen_output->{'sequence_max'}) {
1143: $excel_sheet->write($resource_name_row,$cols_output,
1144: 'maximum',
1145: $format->{'bold'});
1146: $seq->{'Excel:maxcell'} =
1147: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1148: ($first_data_row,$cols_output);
1149: $seq->{'Excel:maxcol'}=$cols_output;
1150: $maximum_formula_string.='+'.
1151: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1152: ($first_data_row,$cols_output);
1153: $cols_output++;
1154:
1155: }
1156: }
1157: if ($chosen_output->{'grand_total'}) {
1158: $excel_sheet->write($resource_name_row,$cols_output++,'Total',
1159: $format->{'bold'});
1160: }
1161: if ($chosen_output->{'grand_maximum'}) {
1162: $excel_sheet->write($resource_name_row,$cols_output++,'Max. Total',
1163: $format->{'bold'});
1164: }
1165: $total_formula = $excel_sheet->store_formula($total_formula_string);
1166: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1167: ##############################################
1168: # Output a row for MAX, if appropriate
1169: ##############################################
1170: if ($chosen_output->{'maximum_row'}) {
1171: $cols_output = 0;
1172: foreach my $field (&get_student_fields_to_show()) {
1173: if ($field eq 'username' || $field eq 'fullname' ||
1174: $field eq 'id') {
1175: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1176: $format->{'bold'});
1177: } else {
1178: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1179: }
1180: }
1181: #
1182: # Add the maximums for each sequence or assessment
1183: my %total_cell_translation;
1184: my %maximum_cell_translation;
1185: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1186: $cols_output=$seq->{'Excel:startcol'};
1187: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1188: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1189: ($maximum_data_row,$seq->{'Excel:scorecol'});
1190: $maximum_cell_translation{$seq->{'Excel:maxcell'}} =
1191: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1192: ($maximum_data_row,$seq->{'Excel:maxcol'});
1193: my $weight;
1194: my $max = 0;
1195: foreach my $resource (@{$seq->{'contents'}}) {
1196: next if ($resource->{'type'} ne 'assessment');
1197: foreach my $part (@{$resource->{'parts'}}) {
1198: $weight = 1;
1199: if ($chosen_output->{'scores'}) {
1200: $weight = &Apache::lonnet::EXT
1201: ('resource.'.$part.'.weight',$resource->{'symb'},
1202: undef,undef,undef);
1203: if (!defined($weight) || ($weight eq '')) {
1204: $weight=1;
1205: }
1206: }
1207: if ($chosen_output->{'scores'} &&
1208: $chosen_output->{'every_problem'}) {
1209: $excel_sheet->write($maximum_data_row,$cols_output++,
1210: $weight);
1211: }
1212: $max += $weight;
1213: }
1214: }
1215: #
1216: if ($chosen_output->{'sequence_sum'} &&
1217: $chosen_output->{'every_problem'}) {
1218: my %replaceCells;
1219: $replaceCells{$seq->{'Excel:startcell'}} =
1220: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1221: ($maximum_data_row,$seq->{'Excel:startcol'});
1222: $replaceCells{$seq->{'Excel:endcell'}} =
1223: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1224: ($maximum_data_row,$seq->{'Excel:endcol'});
1225: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1226: $seq->{'Excel:sum'},undef,
1227: %replaceCells);
1228: } elsif ($chosen_output->{'sequence_sum'}) {
1229: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1230: }
1231: if ($chosen_output->{'sequence_max'}) {
1232: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1233: }
1234: #
1235: }
1236: if ($chosen_output->{'grand_total'}) {
1237: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1238: $total_formula,undef,
1239: %total_cell_translation);
1240: }
1241: if ($chosen_output->{'grand_maximum'}) {
1242: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1243: $maximum_formula,undef,
1244: %total_cell_translation);
1245: }
1246: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1247: $rows_output = $first_data_row;
1248: ##############################################
1249: # Output summary table, which actually is above the sequence name row.
1250: ##############################################
1251: if ($chosen_output->{'summary_table'}) {
1252: $cols_output = 0;
1253: $excel_sheet->write($summary_header_row,$cols_output++,
1254: 'Summary Table',$format->{'bold'});
1255: if ($chosen_output->{'maximum_row'}) {
1256: $excel_sheet->write($summary_header_row,$cols_output++,
1257: 'Maximum',$format->{'bold'});
1258: }
1259: $excel_sheet->write($summary_header_row,$cols_output++,
1260: 'Average',$format->{'bold'});
1261: $excel_sheet->write($summary_header_row,$cols_output++,
1262: 'Median',$format->{'bold'});
1263: $excel_sheet->write($summary_header_row,$cols_output++,
1264: 'Std Dev',$format->{'bold'});
1265: my $row = $summary_header_row+1;
1266: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1267: $cols_output = 0;
1268: $excel_sheet->write($row,$cols_output++,
1269: $seq->{'title'},
1270: $format->{'bold'});
1271: if ($chosen_output->{'maximum_row'}) {
1272: $excel_sheet->write
1273: ($row,$cols_output++,
1274: '='.
1275: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1276: ($maximum_data_row,$seq->{'Excel:scorecol'})
1277: );
1278: }
1279: my $range =
1280: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1281: ($first_data_row,$seq->{'Excel:scorecol'}).
1282: ':'.
1283: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1284: ($first_data_row+$num_students-1,$seq->{'Excel:scorecol'});
1285: $excel_sheet->write($row,$cols_output++,
1286: '=AVERAGE('.$range.')');
1287: $excel_sheet->write($row,$cols_output++,
1288: '=MEDIAN('.$range.')');
1289: $excel_sheet->write($row,$cols_output++,
1290: '=STDEV('.$range.')');
1291: $row++;
1292: }
1293: }
1294: ##############################################
1295: # Take care of non-excel initialization
1296: ##############################################
1297: #
1298: # Let the user know what we are doing
1299: my $studentcount = scalar(@Apache::lonstatistics::Students);
1300: if ($ENV{'form.SelectedStudent'}) {
1301: $studentcount = '1';
1302: }
1303: if ($studentcount > 1) {
1304: $r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students',
1305: $studentcount)."</h1>\n");
1306: } else {
1307: $r->print('<h1>'.
1308: &mt('Compiling Excel spreadsheet for 1 student').
1309: "</h1>\n");
1310: }
1311: $r->rflush();
1312: #
1313: # Initialize progress window
1314: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1315: ($r,'Excel File Compilation Status',
1316: 'Excel File Compilation Progress', $studentcount);
1317: #
1318: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1319: 'Processing first student');
1320: return;
1321: }
1322:
1323: sub excel_outputstudent {
1324: my ($r,$student) = @_;
1325: return if ($request_aborted);
1326: return if (! defined($excel_sheet));
1327: $cols_output=0;
1328: #
1329: # Write out student data
1330: my @to_show = &get_student_fields_to_show();
1331: foreach my $field (@to_show) {
1332: my $value = $student->{$field};
1333: if ($field eq 'comments') {
1334: $value = &Apache::lonmsg::retrieve_instructor_comments
1335: ($student->{'username'},$student->{'domain'});
1336: }
1337: $excel_sheet->write($rows_output,$cols_output++,$value);
1338: }
1339: #
1340: # Get student assessment data
1341: my %StudentsData;
1342: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1343: $student->{'domain'},
1344: undef,
1345: $ENV{'request.course.id'});
1346: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1347: %StudentsData = @tmp;
1348: }
1349: #
1350: # Write out sequence scores and totals data
1351: my %total_cell_translation;
1352: my %maximum_cell_translation;
1353: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1354: $cols_output = $seq->{'Excel:startcol'};
1355: # Keep track of cells to translate in total cell
1356: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1357: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1358: ($rows_output,$seq->{'Excel:scorecol'});
1359: #
1360: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1361: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1362: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1363: &StudentTriesOnSequence($student,\%StudentsData,
1364: $seq,'no');
1365: } else {
1366: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1367: &StudentPerformanceOnSequence($student,\%StudentsData,
1368: $seq,'no');
1369: }
1370: if ($chosen_output->{'every_problem'}) {
1371: if ($chosen_output->{'correct'}) {
1372: # only indiciate if each item is correct or not
1373: foreach my $value (@$rawdata) {
1374: # nonzero means correct
1375: $value = 1 if ($value > 0);
1376: $excel_sheet->write($rows_output,$cols_output++,$value);
1377: }
1378: } else {
1379: foreach my $value (@$rawdata) {
1380: if ($score eq ' ' || !defined($value)) {
1381: $cols_output++;
1382: } else {
1383: $excel_sheet->write($rows_output,$cols_output++,
1384: $value);
1385: }
1386: }
1387: }
1388: }
1389: if ($chosen_output->{'sequence_sum'} &&
1390: $chosen_output->{'every_problem'}) {
1391: # Write a formula for the sum of this sequence
1392: my %replaceCells;
1393: $replaceCells{$seq->{'Excel:startcell'}} =
1394: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1395: ($rows_output,$seq->{'Excel:startcol'});
1396: $replaceCells{$seq->{'Excel:endcell'}} =
1397: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1398: ($rows_output,$seq->{'Excel:endcol'});
1399: # The undef is for the format
1400: if (scalar(keys(%replaceCells)) == 1) {
1401: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1402: $seq->{'Excel:sum'},undef,
1403: %replaceCells,%replaceCells);
1404: } else {
1405: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1406: $seq->{'Excel:sum'},undef,
1407: %replaceCells);
1408: }
1409: } elsif ($chosen_output->{'sequence_sum'}) {
1410: if ($score eq ' ') {
1411: $cols_output++;
1412: } else {
1413: $excel_sheet->write($rows_output,$cols_output++,$score);
1414: }
1415: }
1416: if ($chosen_output->{'sequence_max'}) {
1417: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1418: }
1419: }
1420: #
1421: if ($chosen_output->{'grand_total'}) {
1422: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1423: $total_formula,undef,
1424: %total_cell_translation);
1425: }
1426: if ($chosen_output->{'grand_maximum'}) {
1427: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1428: $maximum_formula,undef,
1429: %total_cell_translation);
1430: }
1431: #
1432: # Bookkeeping
1433: $rows_output++;
1434: $cols_output=0;
1435: #
1436: # Update the progress window
1437: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1438: return;
1439: }
1440:
1441: sub excel_finish {
1442: my ($r) = @_;
1443: return if ($request_aborted);
1444: return if (! defined($excel_sheet));
1445: #
1446: # Write the excel file
1447: $excel_workbook->close();
1448: my $c = $r->connection();
1449: #
1450: return if($c->aborted());
1451: #
1452: # Close the progress window
1453: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1454: #
1455: # Tell the user where to get their excel file
1456: $r->print('<br />'.
1457: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1458: $r->rflush();
1459: return;
1460: }
1461:
1462: }
1463: #######################################################
1464: #######################################################
1465:
1466: =pod
1467:
1468: =head2 CSV output routines
1469:
1470: =item &csv_initialize($r)
1471:
1472: =item &csv_outputstudent($r,$student)
1473:
1474: =item &csv_finish($r)
1475:
1476: =cut
1477:
1478: #######################################################
1479: #######################################################
1480: {
1481:
1482: my $outputfile;
1483: my $filename;
1484: my $request_aborted;
1485: my %prog_state; # progress window state
1486:
1487: sub csv_initialize{
1488: my ($r) = @_;
1489: #
1490: # Clean up
1491: undef($outputfile);
1492: undef($filename);
1493: undef($request_aborted);
1494: undef(%prog_state);
1495: #
1496: # Deal with unimplemented requests
1497: $request_aborted = undef;
1498: if ($chosen_output->{'base'} =~ /final table/) {
1499: $r->print(<<END);
1500: <h2>Unable to Complete Request</h2>
1501: <p>
1502: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1503: </p>
1504: END
1505: $request_aborted = 1;
1506: }
1507: return if ($request_aborted);
1508: #
1509: # Initialize progress window
1510: my $studentcount = scalar(@Apache::lonstatistics::Students);
1511: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1512: ($r,'CSV File Compilation Status',
1513: 'CSV File Compilation Progress', $studentcount);
1514: #
1515: # Open a file
1516: $filename = '/prtspool/'.
1517: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1518: time.'_'.rand(1000000000).'.csv';
1519: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
1520: $r->log_error("Couldn't open $filename for output $!");
1521: $r->print("Problems occured in writing the csv file. ".
1522: "This error has been logged. ".
1523: "Please alert your LON-CAPA administrator.");
1524: $outputfile = undef;
1525: }
1526: #
1527: # Datestamp
1528: my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1529: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1530: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1531: "\n";
1532: #
1533: # Print out the headings
1534: my $sequence_row = '';
1535: my $resource_row = undef;
1536: foreach my $field (&get_student_fields_to_show()) {
1537: $sequence_row .='"",';
1538: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1539: }
1540: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1541: $sequence_row .= '"'.
1542: &Apache::loncommon::csv_translate($seq->{'title'}).'",';
1543: my $count = 0;
1544: if ($chosen_output->{'every_problem'}) {
1545: foreach my $res (@{$seq->{'contents'}}) {
1546: if ($res->{'type'} ne 'assessment' ||
1547: ! exists($res->{'parts'}) ||
1548: ref($res->{'parts'}) ne 'ARRAY' ||
1549: scalar(@{$res->{'parts'}}) < 1) {
1550: next;
1551: }
1552: foreach my $part (@{$res->{'parts'}}) {
1553: $resource_row .= '"'.
1554: &Apache::loncommon::csv_translate($res->{'title'}.
1555: ', Part '.$part
1556: ).'",';
1557: $count++;
1558: }
1559: }
1560: }
1561: $sequence_row.='"",'x$count;
1562: if ($chosen_output->{'sequence_sum'}) {
1563: if($chosen_output->{'correct'}) {
1564: $resource_row .= '"sum",';
1565: } else {
1566: $resource_row .= '"score",';
1567: }
1568: }
1569: if ($chosen_output->{'sequence_max'}) {
1570: $sequence_row.= '"",';
1571: $resource_row .= '"maximum possible",';
1572: }
1573: }
1574: if ($chosen_output->{'grand_total'}) {
1575: $sequence_row.= '"",';
1576: $resource_row.= '"Total",';
1577: }
1578: if ($chosen_output->{'grand_maximum'}) {
1579: $sequence_row.= '"",';
1580: $resource_row.= '"Maximum",';
1581: }
1582: chomp($sequence_row);
1583: chomp($resource_row);
1584: print $outputfile $sequence_row."\n";
1585: print $outputfile $resource_row."\n";
1586: return;
1587: }
1588:
1589: sub csv_outputstudent {
1590: my ($r,$student) = @_;
1591: return if ($request_aborted);
1592: return if (! defined($outputfile));
1593: my $Str = '';
1594: #
1595: # Output student fields
1596: my @to_show = &get_student_fields_to_show();
1597: foreach my $field (@to_show) {
1598: my $value = $student->{$field};
1599: if ($field eq 'comments') {
1600: $value = &Apache::lonmsg::retrieve_instructor_comments
1601: ($student->{'username'},$student->{'domain'});
1602: }
1603: $Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
1604: }
1605: #
1606: # Get student assessment data
1607: my %StudentsData;
1608: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1609: $student->{'domain'},
1610: undef,
1611: $ENV{'request.course.id'});
1612: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1613: %StudentsData = @tmp;
1614: }
1615: #
1616: # Output performance data
1617: my $total = 0;
1618: my $maximum = 0;
1619: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1620: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1621: if ($chosen_output->{'tries'}){
1622: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1623: &StudentTriesOnSequence($student,\%StudentsData,
1624: $seq,'no');
1625: } else {
1626: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1627: &StudentPerformanceOnSequence($student,\%StudentsData,
1628: $seq,'no');
1629: }
1630: if ($chosen_output->{'every_problem'}) {
1631: if ($chosen_output->{'correct'}) {
1632: $score = 0;
1633: # Deal with number of parts correct data
1634: $Str .= '"'.join('","',( map { if ($_>0) {
1635: $score += 1;
1636: 1;
1637: } else {
1638: 0;
1639: }
1640: } @$rawdata)).'",';
1641: } else {
1642: $Str .= '"'.join('","',(@$rawdata)).'",';
1643: }
1644: }
1645: if ($chosen_output->{'sequence_sum'}) {
1646: $Str .= '"'.$score.'",';
1647: }
1648: if ($chosen_output->{'sequence_max'}) {
1649: $Str .= '"'.$seq_max.'",';
1650: }
1651: $total+=$score;
1652: $maximum += $seq_max;
1653: }
1654: if ($chosen_output->{'grand_total'}) {
1655: $Str .= '"'.$total.'",';
1656: }
1657: if ($chosen_output->{'grand_maximum'}) {
1658: $Str .= '"'.$maximum.'",';
1659: }
1660: chop($Str);
1661: $Str .= "\n";
1662: print $outputfile $Str;
1663: #
1664: # Update the progress window
1665: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1666: return;
1667: }
1668:
1669: sub csv_finish {
1670: my ($r) = @_;
1671: return if ($request_aborted);
1672: return if (! defined($outputfile));
1673: close($outputfile);
1674: #
1675: my $c = $r->connection();
1676: return if ($c->aborted());
1677: #
1678: # Close the progress window
1679: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1680: #
1681: # Tell the user where to get their csv file
1682: $r->print('<br />'.
1683: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
1684: $r->rflush();
1685: return;
1686:
1687: }
1688:
1689: }
1690:
1691: #######################################################
1692: #######################################################
1693:
1694: =pod
1695:
1696: =item &StudentTriesOnSequence()
1697:
1698: Inputs:
1699:
1700: =over 4
1701:
1702: =item $student
1703:
1704: =item $studentdata Hash ref to all student data
1705:
1706: =item $seq Hash ref, the sequence we are working on
1707:
1708: =item $links if defined we will output links to each resource.
1709:
1710: =back
1711:
1712: =cut
1713:
1714: #######################################################
1715: #######################################################
1716: sub StudentTriesOnSequence {
1717: my ($student,$studentdata,$seq,$links) = @_;
1718: $links = 'no' if (! defined($links));
1719: my $Str = '';
1720: my ($sum,$max) = (0,0);
1721: my $performance_length = 0;
1722: my @TriesData = ();
1723: my $tries;
1724: my $hasdata = 0; # flag - true if the student has any data on the sequence
1725: foreach my $resource (@{$seq->{'contents'}}) {
1726: next if ($resource->{'type'} ne 'assessment');
1727: my $resource_data = $studentdata->{$resource->{'symb'}};
1728: my $value = '';
1729: foreach my $partnum (@{$resource->{'parts'}}) {
1730: $tries = undef;
1731: $max++;
1732: $performance_length++;
1733: my $symbol = ' '; # default to space
1734: #
1735: my $awarded = 0;
1736: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1737: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1738: $awarded = 0 if (! $awarded);
1739: }
1740: #
1741: my $status = '';
1742: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1743: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1744: }
1745: #
1746: my $tries = 0;
1747: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1748: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1749: $hasdata =1;
1750: }
1751: #
1752: if ($awarded > 0) {
1753: # The student has gotten the problem correct to some degree
1754: if ($status eq 'excused') {
1755: $symbol = 'x';
1756: $max--;
1757: } elsif ($status eq 'correct_by_override') {
1758: $symbol = '+';
1759: $sum++;
1760: } elsif ($tries > 0) {
1761: if ($tries > 9) {
1762: $symbol = '*';
1763: } else {
1764: $symbol = $tries;
1765: }
1766: $sum++;
1767: } else {
1768: $symbol = '+';
1769: $sum++;
1770: }
1771: } else {
1772: # The student has the problem incorrect or it is ungraded
1773: if ($status eq 'excused') {
1774: $symbol = 'x';
1775: $max--;
1776: } elsif ($status eq 'incorrect_by_override') {
1777: $symbol = '-';
1778: } elsif ($status eq 'ungraded_attempted') {
1779: $symbol = '#';
1780: } elsif ($status eq 'incorrect_attempted' ||
1781: $tries > 0) {
1782: $symbol = '.';
1783: } else {
1784: # Problem is wrong and has not been attempted.
1785: $symbol=' ';
1786: }
1787: }
1788: #
1789: if (! defined($tries)) {
1790: $tries = $symbol;
1791: }
1792: push (@TriesData,$tries);
1793: #
1794: if ( ($links eq 'yes' && $symbol ne ' ') ||
1795: ($links eq 'all')) {
1796: if (length($symbol) > 1) {
1797: &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
1798: }
1799: $symbol = '<a href="/adm/grades'.
1800: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1801: '&student='.$student->{'username'}.
1802: '&userdom='.$student->{'domain'}.
1803: '&command=submission">'.$symbol.'</a>';
1804: }
1805: $value .= $symbol;
1806: }
1807: $Str .= $value;
1808: }
1809: if ($seq->{'randompick'}) {
1810: $max = $seq->{'randompick'};
1811: }
1812: if (! $hasdata && $sum == 0) {
1813: $sum = ' ';
1814: }
1815: return ($Str,$performance_length,$sum,$max,\@TriesData);
1816: }
1817:
1818: #######################################################
1819: #######################################################
1820:
1821: =pod
1822:
1823: =item &StudentPerformanceOnSequence()
1824:
1825: Inputs:
1826:
1827: =over 4
1828:
1829: =item $student
1830:
1831: =item $studentdata Hash ref to all student data
1832:
1833: =item $seq Hash ref, the sequence we are working on
1834:
1835: =item $links if defined we will output links to each resource.
1836:
1837: =back
1838:
1839: =cut
1840:
1841: #######################################################
1842: #######################################################
1843: sub StudentPerformanceOnSequence {
1844: my ($student,$studentdata,$seq,$links) = @_;
1845: $links = 'no' if (! defined($links));
1846: my $Str = ''; # final result string
1847: my ($score,$max) = (0,0);
1848: my $performance_length = 0;
1849: my $symbol;
1850: my @ScoreData = ();
1851: my $partscore;
1852: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
1853: foreach my $resource (@{$seq->{'contents'}}) {
1854: next if ($resource->{'type'} ne 'assessment');
1855: my $resource_data = $studentdata->{$resource->{'symb'}};
1856: foreach my $part (@{$resource->{'parts'}}) {
1857: $partscore = undef;
1858: my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
1859: $resource->{'symb'},
1860: $student->{'domain'},
1861: $student->{'username'},
1862: $student->{'section'});
1863: if (!defined($weight) || ($weight eq '')) {
1864: $weight=1;
1865: }
1866: #
1867: $max += $weight; # see the 'excused' branch below...
1868: $performance_length++; # one character per part
1869: $symbol = ' '; # default to space
1870: #
1871: my $awarded;
1872: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
1873: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1874: $awarded = 0 if (! $awarded);
1875: $hasdata = 1;
1876: }
1877: #
1878: $partscore = $weight*$awarded;
1879: if (! defined($awarded)) {
1880: $partscore = undef;
1881: }
1882: $score += $partscore;
1883: $symbol = $partscore;
1884: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
1885: $symbol = sprintf("%.0f",$symbol);
1886: }
1887: if (length($symbol) > 1) {
1888: $symbol = '*';
1889: }
1890: if (exists($resource_data->{'resource.'.$part.'.solved'})) {
1891: my $status = $resource_data->{'resource.'.$part.'.solved'};
1892: if ($status eq 'excused') {
1893: $symbol = 'x';
1894: $max -= $weight; # Do not count 'excused' problems.
1895: }
1896: $hasdata = 1;
1897: } else {
1898: # Unsolved. Did they try?
1899: if (exists($resource_data->{'resource.'.$part.'.tries'})){
1900: $symbol = '.';
1901: $hasdata = 1;
1902: } else {
1903: $symbol = ' ';
1904: }
1905: }
1906: #
1907: if (! defined($partscore)) {
1908: $partscore = $symbol;
1909: }
1910: push (@ScoreData,$partscore);
1911: #
1912: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1913: $symbol = '<a href="/adm/grades'.
1914: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1915: '&student='.$student->{'username'}.
1916: '&userdom='.$student->{'domain'}.
1917: '&command=submission">'.$symbol.'</a>';
1918: }
1919: $Str .= $symbol;
1920: }
1921: }
1922: if (! $hasdata && $score == 0) {
1923: $score = ' ';
1924: }
1925: return ($Str,$performance_length,$score,$max,\@ScoreData);
1926: }
1927:
1928: #######################################################
1929: #######################################################
1930:
1931: =pod
1932:
1933: =item &CreateLegend()
1934:
1935: This function returns a formatted string containing the legend for the
1936: chart. The legend describes the symbols used to represent grades for
1937: problems.
1938:
1939: =cut
1940:
1941: #######################################################
1942: #######################################################
1943: sub CreateLegend {
1944: my $Str = "<p><pre>".
1945: " 1 correct by student in 1 try\n".
1946: " 7 correct by student in 7 tries\n".
1947: " * correct by student in more than 9 tries\n".
1948: " + correct by hand grading or override\n".
1949: " - incorrect by override\n".
1950: " . incorrect attempted\n".
1951: " # ungraded attempted\n".
1952: " not attempted (blank field)\n".
1953: " x excused".
1954: "</pre><p>";
1955: return $Str;
1956: }
1957:
1958: #######################################################
1959: #######################################################
1960:
1961: =pod
1962:
1963: =back
1964:
1965: =cut
1966:
1967: #######################################################
1968: #######################################################
1969:
1970: 1;
1971:
1972: __END__
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