1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.120 2005/03/21 19:47:54 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 Time::HiRes;
60: use Spreadsheet::WriteExcel;
61: use Spreadsheet::WriteExcel::Utility();
62:
63: #######################################################
64: #######################################################
65: =pod
66:
67: =item Package Variables
68:
69: =over 4
70:
71: =item $Statistics Hash ref to store student data. Indexed by symb,
72: contains hashes with keys 'score' and 'max'.
73:
74: =cut
75:
76: #######################################################
77: #######################################################
78:
79: my $Statistics;
80:
81: #######################################################
82: #######################################################
83:
84: =pod
85:
86: =item $show_links 'yes' or 'no' for linking to student performance data
87:
88: =item $output_mode 'html', 'excel', or 'csv' for output mode
89:
90: =item $show 'all', 'totals', or 'scores' determines how much data is output
91:
92: =item $single_student_mode evaluates to true if we are showing only one
93: student.
94:
95: =cut
96:
97: #######################################################
98: #######################################################
99: my $show_links;
100: my $output_mode;
101: my $chosen_output;
102: my $single_student_mode;
103:
104: #######################################################
105: #######################################################
106: # End of package variable declarations
107:
108: =pod
109:
110: =back
111:
112: =cut
113:
114: #######################################################
115: #######################################################
116:
117: =pod
118:
119: =item &BuildStudentAssessmentPage()
120:
121: Inputs:
122:
123: =over 4
124:
125: =item $r Apache Request
126:
127: =item $c Apache Connection
128:
129: =back
130:
131: =cut
132:
133: #######################################################
134: #######################################################
135: sub BuildStudentAssessmentPage {
136: my ($r,$c)=@_;
137: #
138: undef($Statistics);
139: undef($show_links);
140: undef($output_mode);
141: undef($chosen_output);
142: undef($single_student_mode);
143: #
144: my %Saveable_Parameters = ('Status' => 'scalar',
145: 'chartoutputmode' => 'scalar',
146: 'chartoutputdata' => 'scalar',
147: 'Section' => 'array',
148: 'StudentData' => 'array',
149: 'Maps' => 'array');
150: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
151: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
152: #
153: &Apache::lonstatistics::PrepareClasslist();
154: #
155: $single_student_mode = 0;
156: $single_student_mode = 1 if ($ENV{'form.SelectedStudent'});
157: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
158: ['selectstudent']);
159: if ($ENV{'form.selectstudent'}) {
160: &Apache::lonstatistics::DisplayClasslist($r);
161: return;
162: }
163: #
164: # Print out the HTML headers for the interface
165: # This also parses the output mode selector
166: # This step must *always* be done.
167: $r->print(&CreateInterface());
168: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
169: $r->print('<input type="hidden" name="sort" value="'.
170: $ENV{'form.sort'}.'" />');
171: $r->rflush();
172: #
173: if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {
174: return;
175: }
176: $r->print('<h4>'.
177: &Apache::lonstatistics::section_and_enrollment_description().
178: '</h4>');
179: #
180: my $initialize = \&html_initialize;
181: my $output_student = \&html_outputstudent;
182: my $finish = \&html_finish;
183: #
184: if ($output_mode eq 'excel') {
185: $initialize = \&excel_initialize;
186: $output_student = \&excel_outputstudent;
187: $finish = \&excel_finish;
188: } elsif ($output_mode eq 'csv') {
189: $initialize = \&csv_initialize;
190: $output_student = \&csv_outputstudent;
191: $finish = \&csv_finish;
192: }
193: #
194: if($c->aborted()) { return ; }
195: #
196: # Determine which students we want to look at
197: my @Students;
198: if ($single_student_mode) {
199: @Students = (&Apache::lonstatistics::current_student());
200: $r->print(&next_and_previous_buttons());
201: $r->rflush();
202: } else {
203: @Students = @Apache::lonstatistics::Students;
204: }
205: #
206: # Perform generic initialization tasks
207: # Since we use lonnet::EXT to retrieve problem weights,
208: # to ensure current data we must clear the caches out.
209: # This makes sure that parameter changes at the student level
210: # are immediately reflected in the chart.
211: &Apache::lonnet::clear_EXT_cache_status();
212: #
213: # Clean out loncoursedata's package data, just to be safe.
214: &Apache::loncoursedata::clear_internal_caches();
215: #
216: # Call the initialize routine selected above
217: $initialize->($r);
218: foreach my $student (@Students) {
219: if($c->aborted()) {
220: $finish->($r);
221: return ;
222: }
223: # Call the output_student routine selected above
224: $output_student->($r,$student);
225: }
226: # Call the "finish" routine selected above
227: $finish->($r);
228: #
229: return;
230: }
231:
232: #######################################################
233: #######################################################
234: sub next_and_previous_buttons {
235: my $Str = '';
236: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
237: $ENV{'form.SelectedStudent'}.'" />';
238: #
239: # Build the previous student link
240: my $previous = &Apache::lonstatistics::previous_student();
241: my $previousbutton = '';
242: if (defined($previous)) {
243: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
244: $previousbutton .= '<input type="button" value="'.
245: 'Previous Student ('.
246: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
247: '" onclick="document.Statistics.SelectedStudent.value='.
248: "'".$sname."'".';'.
249: 'document.Statistics.submit();" />';
250: } else {
251: $previousbutton .= '<input type="button" value="'.
252: 'Previous student (none)'.'" />';
253: }
254: #
255: # Build the next student link
256: my $next = &Apache::lonstatistics::next_student();
257: my $nextbutton = '';
258: if (defined($next)) {
259: my $sname = $next->{'username'}.':'.$next->{'domain'};
260: $nextbutton .= '<input type="button" value="'.
261: 'Next Student ('.
262: $next->{'username'}.'@'.$next->{'domain'}.')'.
263: '" onclick="document.Statistics.SelectedStudent.value='.
264: "'".$sname."'".';'.
265: 'document.Statistics.submit();" />';
266: } else {
267: $nextbutton .= '<input type="button" value="'.
268: 'Next student (none)'.'" />';
269: }
270: #
271: # Build the 'all students' button
272: my $all = '';
273: $all .= '<input type="button" value="All Students" '.
274: '" onclick="document.Statistics.SelectedStudent.value='.
275: "''".';'.'document.Statistics.submit();" />';
276: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
277: return $Str;
278: }
279:
280: #######################################################
281: #######################################################
282:
283: sub get_student_fields_to_show {
284: my @to_show = @Apache::lonstatistics::SelectedStudentData;
285: foreach (@to_show) {
286: if ($_ eq 'all') {
287: @to_show = @Apache::lonstatistics::StudentDataOrder;
288: last;
289: }
290: }
291: return @to_show;
292: }
293:
294: #######################################################
295: #######################################################
296:
297: =pod
298:
299: =item &CreateInterface()
300:
301: Called by &BuildStudentAssessmentPage to create the top part of the
302: page which displays the chart.
303:
304: Inputs: None
305:
306: Returns: A string containing the HTML for the headers and top table for
307: the chart page.
308:
309: =cut
310:
311: #######################################################
312: #######################################################
313: sub CreateInterface {
314: my $Str = '';
315: $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Chart');
316: # $Str .= &CreateLegend();
317: $Str .= '<table cellspacing="5">'."\n";
318: $Str .= '<tr>';
319: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
320: $Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';
321: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
322: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
323: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
324: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
325: '</td>';
326: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
327: &Apache::loncommon::help_open_topic("Chart_Output_Data").
328: '</td>';
329: $Str .= '</tr>'."\n";
330: #
331: $Str .= '<tr><td align="center">'."\n";
332: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
333: $Str .= '</td><td align="center">';
334: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
335: 5,undef);
336: $Str .= '</td><td>'."\n";
337: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
338: $Str .= '</td><td>'."\n";
339: $Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5);
340: $Str .= '</td><td>'."\n";
341: $Str .= &CreateAndParseOutputSelector();
342: $Str .= '</td><td>'."\n";
343: $Str .= &CreateAndParseOutputDataSelector();
344: $Str .= '</td></tr>'."\n";
345: $Str .= '</table>'."\n";
346: $Str .= '<input type="submit" name="Generate Chart" value="'.
347: &mt('Generate Chart').'" />';
348: $Str .= ' 'x5;
349: $Str .= '<input type="submit" name="selectstudent" value="'.
350: &mt('Select One Student').'" />';
351: $Str .= ' 'x5;
352: $Str .= '<input type="submit" name="ClearCache" value="'.
353: &mt('Clear Caches').'" />';
354: $Str .= ' 'x5;
355: $Str .=
356: &mt('Status [_1]',
357: '<input type="text" name="stats_status" size="60" value="" />');
358: $Str .= '<br />';
359: return $Str;
360: }
361:
362: #######################################################
363: #######################################################
364:
365: =pod
366:
367: =item &CreateAndParseOutputSelector()
368:
369: =cut
370:
371: #######################################################
372: #######################################################
373: my @OutputOptions =
374: ({ name => 'HTML, with links',
375: value => 'html, with links',
376: description => 'Output HTML with each symbol linked to the problem '.
377: 'which generated it.',
378: mode => 'html',
379: show_links => 'yes',
380: },
381: { name => 'HTML, with all links',
382: value => 'html, with all links',
383: description => 'Output HTML with each symbol linked to the problem '.
384: 'which generated it. '.
385: 'This includes links for unattempted problems.',
386: mode => 'html',
387: show_links => 'all',
388: },
389: { name => 'HTML, without links',
390: value => 'html, without links',
391: description => 'Output HTML. By not including links, the size of the'.
392: ' web page is greatly reduced. If your browser crashes on the '.
393: 'full display, try this.',
394: mode => 'html',
395: show_links => 'no',
396: },
397: { name => 'Excel',
398: value => 'excel',
399: description => 'Output an Excel file (compatable with Excel 95).',
400: mode => 'excel',
401: show_links => 'no',
402: },
403: { name => 'CSV',
404: value => 'csv',
405: description => 'Output a comma separated values file suitable for '.
406: 'import into a spreadsheet program. Using this method as opposed '.
407: 'to Excel output allows you to organize your data before importing'.
408: ' it into a spreadsheet program.',
409: mode => 'csv',
410: show_links => 'no',
411: },
412: );
413:
414: sub OutputDescriptions {
415: my $Str = '';
416: $Str .= "<h2>Output Formats</h2>\n";
417: $Str .= "<dl>\n";
418: foreach my $outputmode (@OutputOptions) {
419: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
420: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
421: }
422: $Str .= "</dl>\n";
423: return $Str;
424: }
425:
426: sub CreateAndParseOutputSelector {
427: my $Str = '';
428: my $elementname = 'chartoutputmode';
429: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
430: [$elementname]);
431: #
432: # Format for output options is 'mode, restrictions';
433: my $selected = 'html, without links';
434: if (exists($ENV{'form.'.$elementname})) {
435: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
436: $selected = $ENV{'form.'.$elementname}->[0];
437: } else {
438: $selected = $ENV{'form.'.$elementname};
439: }
440: }
441: #
442: # Set package variables describing output mode
443: $show_links = 'no';
444: $output_mode = 'html';
445: foreach my $option (@OutputOptions) {
446: next if ($option->{'value'} ne $selected);
447: $output_mode = $option->{'mode'};
448: $show_links = $option->{'show_links'};
449: }
450:
451: #
452: # Build the form element
453: $Str = qq/<select size="5" name="$elementname">/;
454: foreach my $option (@OutputOptions) {
455: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
456: $Str .= " selected " if ($option->{'value'} eq $selected);
457: $Str .= ">".&mt($option->{'name'})."<\/option>";
458: }
459: $Str .= "\n</select>";
460: return $Str;
461: }
462:
463: ##
464: ## Data selector stuff
465: ##
466: my @OutputDataOptions =
467: (
468: { name => 'Scores Summary',
469: base => 'scores',
470: value => 'sum and total',
471: scores => 1,
472: tries => 0,
473: every_problem => 0,
474: sequence_sum => 1,
475: sequence_max => 1,
476: grand_total => 1,
477: grand_maximum => 1,
478: summary_table => 1,
479: maximum_row => 1,
480: shortdesc => 'Total Score and Maximum Possible for each '.
481: 'Sequence or Folder',
482: longdesc => 'The score of each student as well as the '.
483: ' maximum possible on each Sequence or Folder.',
484: },
485: { name => 'Scores Per Problem',
486: base => 'scores',
487: value => 'scores',
488: scores => 1,
489: tries => 0,
490: correct => 0,
491: every_problem => 1,
492: sequence_sum => 1,
493: sequence_max => 1,
494: grand_total => 1,
495: grand_maximum => 1,
496: summary_table => 1,
497: maximum_row => 1,
498: shortdesc => 'Score on each Problem Part',
499: longdesc =>'The students score on each problem part, computed as'.
500: 'the part weight * part awarded',
501: },
502: { name =>'Tries',
503: base =>'tries',
504: value => 'tries',
505: scores => 0,
506: tries => 1,
507: correct => 0,
508: every_problem => 1,
509: sequence_sum => 0,
510: sequence_max => 0,
511: grand_total => 0,
512: grand_maximum => 0,
513: summary_table => 0,
514: maximum_row => 0,
515: shortdesc => 'Number of Tries before success on each Problem Part',
516: longdesc =>'The number of tries before success on each problem part.',
517: non_html_notes => 'negative values indicate an incorrect problem',
518: },
519: { name =>'Parts Correct',
520: base =>'tries',
521: value => 'parts correct total',
522: scores => 0,
523: tries => 0,
524: correct => 1,
525: every_problem => 1,
526: sequence_sum => 1,
527: sequence_max => 1,
528: grand_total => 1,
529: grand_maximum => 1,
530: summary_table => 1,
531: maximum_row => 0,
532: shortdesc => 'Number of Problem Parts completed successfully.',
533: longdesc => 'The Number of Problem Parts completed successfully and '.
534: 'the maximum possible for each student',
535: },
536: );
537:
538: sub HTMLifyOutputDataDescriptions {
539: my $Str = '';
540: $Str .= "<h2>Output Data</h2>\n";
541: $Str .= "<dl>\n";
542: foreach my $option (@OutputDataOptions) {
543: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
544: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
545: }
546: $Str .= "</dl>\n";
547: return $Str;
548: }
549:
550: sub CreateAndParseOutputDataSelector {
551: my $Str = '';
552: my $elementname = 'chartoutputdata';
553: #
554: my $selected = 'scores';
555: if (exists($ENV{'form.'.$elementname})) {
556: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
557: $selected = $ENV{'form.'.$elementname}->[0];
558: } else {
559: $selected = $ENV{'form.'.$elementname};
560: }
561: }
562: #
563: $chosen_output = $OutputDataOptions[0];
564: foreach my $option (@OutputDataOptions) {
565: if ($option->{'value'} eq $selected) {
566: $chosen_output = $option;
567: }
568: }
569: #
570: # Build the form element
571: $Str = qq/<select size="5" name="$elementname">/;
572: foreach my $option (@OutputDataOptions) {
573: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
574: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
575: $Str .= ">".&mt($option->{'name'})."<\/option>";
576: }
577: $Str .= "\n</select>";
578: return $Str;
579:
580: }
581:
582: #######################################################
583: #######################################################
584: sub count_parts {
585: my ($navmap,$sequence) = @_;
586: my @resources = &get_resources($navmap,$sequence);
587: my $count = 0;
588: foreach my $res (@resources) {
589: $count += scalar(@{$res->parts});
590: }
591: return $count;
592: }
593:
594: sub get_resources {
595: my ($navmap,$sequence) = @_;
596: my @resources = $navmap->retrieveResources($sequence,
597: sub { shift->is_problem(); },
598: 0,0,0);
599: return @resources;
600: }
601:
602: #######################################################
603: #######################################################
604:
605: =pod
606:
607: =head2 HTML output routines
608:
609: =item &html_initialize($r)
610:
611: Create labels for the columns of student data to show.
612:
613: =item &html_outputstudent($r,$student)
614:
615: Return a line of the chart for a student.
616:
617: =item &html_finish($r)
618:
619: =cut
620:
621: #######################################################
622: #######################################################
623: {
624: my $padding;
625: my $count;
626:
627: my $nodata_count; # The number of students for which there is no data
628: my %prog_state; # progress state used by loncommon PrgWin routines
629: my $total_sum_width;
630:
631: my %width; # Holds sequence width information
632: my @sequences;
633: my $navmap; # Have to keep this around since weakref is a bit zealous
634:
635: sub html_initialize {
636: my ($r) = @_;
637: #
638: $padding = ' 'x3;
639: $count = 0;
640: $nodata_count = 0;
641: undef(%prog_state);
642: undef(%width);
643: #
644: undef($navmap);
645: undef(@sequences);
646: ($navmap,@sequences) =
647: &Apache::lonstatistics::selected_sequences_with_assessments();
648: if (! ref($navmap)) {
649: # Unable to get data, so bail out
650: $r->print("<h3>".
651: &mt('Unable to retrieve course information.').
652: '</h3>');
653: }
654: #
655: $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
656: " ".localtime(time)."</h3>");
657: #
658: if ($chosen_output->{'base'} !~ /^final table/) {
659: $r->print("<h3>".$chosen_output->{'shortdesc'}."</h3>");
660: }
661: my $Str = "<pre>\n";
662: # First, the @StudentData fields need to be listed
663: my @to_show = &get_student_fields_to_show();
664: foreach my $field (@to_show) {
665: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
666: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
667: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
668: $Str .= $title.' 'x($width-$base).$padding;
669: }
670: #
671: # Compute the column widths and output the sequence titles
672: my $total_count;
673: #
674: # Compute sequence widths
675: my $starttime = Time::HiRes::time;
676: foreach my $seq (@sequences) {
677: my $symb = $seq->symb;
678: my $title = $seq->compTitle;
679: $width{$symb}->{'width_sum'} = 0;
680: # Compute width of sum
681: if ($chosen_output->{'sequence_sum'}) {
682: if ($chosen_output->{'every_problem'}) {
683: # Use 1 digit for a space
684: $width{$symb}->{'width_sum'} += 1;
685: }
686: $total_count += &count_parts($navmap,$seq);
687: # Use 3 digits for the sum
688: $width{$symb}->{'width_sum'} += 3;
689: }
690: # Compute width of maximum
691: if ($chosen_output->{'sequence_max'}) {
692: if ($width{$symb}->{'width_sum'}>0) {
693: # One digit for the '/'
694: $width{$symb}->{'width_sum'} +=1;
695: }
696: # Use 3 digits for the total
697: $width{$symb}->{'width_sum'}+=3;
698: }
699: #
700: if ($chosen_output->{'every_problem'}) {
701: # one problem per digit
702: $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
703: $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
704: } else {
705: $width{$symb}->{'width_problem'} = 0;
706: }
707: $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
708: $width{$symb}->{'width_sum'};
709: if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
710: $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
711: }
712: #
713: # Output the sequence titles
714: $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
715: length($title)
716: )).$padding;
717: }
718: $total_sum_width = length($total_count)+1;
719: $Str .= " total</pre>\n";
720: $Str .= "<pre>";
721: $r->print($Str);
722: $r->rflush();
723: return;
724: }
725:
726: sub html_outputstudent {
727: my ($r,$student) = @_;
728: my $Str = '';
729: return if (! defined($navmap));
730: #
731: if($count++ % 5 == 0 && $count > 0) {
732: $r->print("</pre><pre>");
733: }
734: # First, the @StudentData fields need to be listed
735: my @to_show = &get_student_fields_to_show();
736: foreach my $field (@to_show) {
737: my $title=$student->{$field};
738: # Deal with 'comments' - how I love special cases
739: if ($field eq 'comments') {
740: $title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
741: }
742: my $base = length($title);
743: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
744: $Str .= $title.' 'x($width-$base).$padding;
745: }
746: # Get ALL the students data
747: my %StudentsData;
748: my @tmp = &Apache::loncoursedata::get_current_state
749: ($student->{'username'},$student->{'domain'},undef,
750: $ENV{'request.course.id'});
751: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
752: %StudentsData = @tmp;
753: }
754: if (scalar(@tmp) < 1) {
755: $nodata_count++;
756: $Str .= '<font color="blue">No Course Data</font>'."\n";
757: $r->print($Str);
758: $r->rflush();
759: return;
760: }
761: #
762: # By sequence build up the data
763: my $studentstats;
764: my $PerformanceStr = '';
765: foreach my $seq (@sequences) {
766: my $symb = $seq->symb;
767: my ($performance,$performance_length,$score,$seq_max,$rawdata);
768: if ($chosen_output->{'tries'}) {
769: ($performance,$performance_length,$score,$seq_max,$rawdata) =
770: &student_tries_on_sequence($student,\%StudentsData,
771: $navmap,$seq,$show_links);
772: } else {
773: ($performance,$performance_length,$score,$seq_max,$rawdata) =
774: &student_performance_on_sequence($student,\%StudentsData,
775: $navmap,$seq,$show_links);
776: }
777: my $ratio='';
778: if ($chosen_output->{'every_problem'} &&
779: $chosen_output->{'sequence_sum'}) {
780: $ratio .= ' ';
781: }
782: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
783: my $score .= sprintf("%3.0f",$score);
784: $ratio .= (' 'x(3-length($score))).$score;
785: } elsif($chosen_output->{'sequence_sum'}) {
786: $ratio .= ' 'x3;
787: }
788: if ($chosen_output->{'sequence_max'}) {
789: if ($chosen_output->{'sequence_sum'}) {
790: $ratio .= '/';
791: }
792: $ratio .= sprintf("%3.0f",$seq_max);
793: }
794: #
795: if (! $chosen_output->{'every_problem'}) {
796: $performance = '';
797: $performance_length=0;
798: }
799: $performance .= ' 'x($width{$symb}->{'width_total'} -
800: $performance_length -
801: $width{$symb}->{'width_sum'}).
802: $ratio;
803: #
804: $Str .= $performance.$padding;
805: #
806: $studentstats->{$symb}->{'score'}= $score;
807: $studentstats->{$symb}->{'max'} = $seq_max;
808: }
809: #
810: # Total it up and store the statistics info.
811: my ($score,$max);
812: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
813: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
814: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
815: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
816: }
817: if ($seq_stats->{'score'} ne ' ') {
818: $score += $seq_stats->{'score'};
819: $Statistics->{$symb}->{'num_students'}++;
820: }
821: $max += $seq_stats->{'max'};
822: }
823: if (! defined($score)) {
824: $score = ' ' x $total_sum_width;
825: } else {
826: $score = sprintf("%.0f",$score);
827: $score = (' 'x(3-length($score))).$score;
828: }
829: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
830: $Str .= " \n";
831: #
832: $r->print($Str);
833: #
834: $r->rflush();
835: return;
836: }
837:
838: sub html_finish {
839: my ($r) = @_;
840: return if (! defined($navmap));
841: #
842: # Check for suppressed output and close the progress window if so
843: $r->print("</pre>\n");
844: if ($chosen_output->{'summary_table'}) {
845: if ($single_student_mode) {
846: $r->print(&SingleStudentTotal());
847: } else {
848: $r->print(&StudentAverageTotal());
849: }
850: }
851: $r->rflush();
852: undef($navmap);
853: return;
854: }
855:
856: sub StudentAverageTotal {
857: my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
858: $Str .= '<table border=2 cellspacing="1">'."\n";
859: $Str .= '<tr>'.
860: '<th>'.&mt('Title').'</th>'.
861: '<th>'.&mt('Average').'</th>'.
862: '<th>'.&mt('Maximum').'</th>'.
863: '</tr>'.$/;
864: foreach my $seq (@sequences) {
865: my $symb = $seq->symb;
866: my $ave;
867: my $num_students = $Statistics->{$symb}->{'num_students'};
868: if ($num_students > 0) {
869: $ave = int(100*
870: ($Statistics->{$symb}->{'score'}/$num_students)
871: )/100;
872: } else {
873: $ave = 0;
874: }
875: my $max = $Statistics->{$symb}->{'max'};
876: $ave = sprintf("%.2f",$ave);
877: $Str .= '<tr><td>'.$seq->compTitle.'</td>'.
878: '<td align="right">'.$ave.' </td>'.
879: '<td align="right">'.$max.' '.'</td></tr>'."\n";
880: }
881: $Str .= "</table>\n";
882: return $Str;
883: }
884:
885: sub SingleStudentTotal {
886: return if (! defined($navmap));
887: my $student = &Apache::lonstatistics::current_student();
888: my $Str = '<h3>'.&mt('Summary table for [_1] ([_2]@[_3])',
889: $student->{'fullname'},
890: $student->{'username'},$student->{'domain'}).'</h3>';
891: $Str .= $/;
892: $Str .= '<table border=2 cellspacing="1">'."\n";
893: $Str .=
894: '<tr>'.
895: '<th>'.&mt('Sequence or Folder').'</th>';
896: if ($chosen_output->{'base'} eq 'tries') {
897: $Str .= '<th>'.&mt('Parts Correct').'</th>';
898: } else {
899: $Str .= '<th>'.&mt('Score').'</th>';
900: }
901: $Str .= '<th>'.&mt('Maximum').'</th>'."</tr>\n";
902: my $total = 0;
903: my $total_max = 0;
904: foreach my $seq (@sequences) {
905: my $value = $Statistics->{$seq->symb}->{'score'};
906: my $max = $Statistics->{$seq->symb}->{'max'};
907: $Str .= '<tr><td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
908: '<td align="right">'.$value.'</td>'.
909: '<td align="right">'.$max.'</td></tr>'."\n";
910: $total += $value;
911: $total_max +=$max;
912: }
913: $Str .= '<tr><td><b>'.&mt('Total').'</b></td>'.
914: '<td align="right">'.$total.'</td>'.
915: '<td align="right">'.$total_max."</td></tr>\n";
916: $Str .= "</table>\n";
917: return $Str;
918: }
919:
920: }
921:
922: #######################################################
923: #######################################################
924:
925: =pod
926:
927: =head2 EXCEL subroutines
928:
929: =item &excel_initialize($r)
930:
931: =item &excel_outputstudent($r,$student)
932:
933: =item &excel_finish($r)
934:
935: =cut
936:
937: #######################################################
938: #######################################################
939: {
940:
941: my $excel_sheet;
942: my $excel_workbook;
943: my $format;
944:
945: my $filename;
946: my $rows_output;
947: my $cols_output;
948:
949: my %prog_state; # progress window state
950: my $request_aborted;
951:
952: my $total_formula;
953: my $maximum_formula;
954: my %formula_data;
955:
956: my $navmap;
957: my @sequences;
958:
959: sub excel_initialize {
960: my ($r) = @_;
961: #
962: undef ($excel_sheet);
963: undef ($excel_workbook);
964: undef ($filename);
965: undef ($rows_output);
966: undef ($cols_output);
967: undef (%prog_state);
968: undef ($request_aborted);
969: undef ($total_formula);
970: undef ($maximum_formula);
971: #
972: undef(%formula_data);
973: #
974: undef($navmap);
975: undef(@sequences);
976: ($navmap,@sequences) =
977: &Apache::lonstatistics::selected_sequences_with_assessments();
978: if (! ref($navmap)) {
979: # Unable to get data, so bail out
980: $r->print("<h3>".
981: &mt('Unable to retrieve course information.').
982: '</h3>');
983: }
984: #
985: my $total_columns = scalar(&get_student_fields_to_show());
986: my $num_students = scalar(@Apache::lonstatistics::Students);
987: #
988: foreach my $seq (@sequences) {
989: if ($chosen_output->{'every_problem'}) {
990: $total_columns+=&count_parts($navmap,$seq);
991: }
992: # Add 2 because we need a 'sequence_sum' and 'total' column for each
993: $total_columns += 2;
994: }
995: my $too_many_cols_error_message =
996: '<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
997: '<p>'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'</p>'.$/.
998: '<p>'.&mt('You may consider reducing the number of <b>Sequences or Folders</b> you have selected.').'</p>'.$/.
999: '<p>'.&mt('LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the <b>Scores Summary</b> data.').'</p>'.$/;
1000: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
1001: $r->print($too_many_cols_error_message);
1002: $request_aborted = 1;
1003: }
1004: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1005: $r->print($too_many_cols_error_message);
1006: $request_aborted = 1;
1007: }
1008: return if ($request_aborted);
1009: #
1010: #
1011: $excel_workbook = undef;
1012: $excel_sheet = undef;
1013: #
1014: $rows_output = 0;
1015: $cols_output = 0;
1016: #
1017: # Determine rows
1018: my $header_row = $rows_output++;
1019: my $description_row = $rows_output++;
1020: my $notes_row = $rows_output++;
1021: $rows_output++; # blank row
1022: my $summary_header_row;
1023: if ($chosen_output->{'summary_table'}) {
1024: $summary_header_row = $rows_output++;
1025: $rows_output+= scalar(@sequences);
1026: $rows_output++;
1027: }
1028: my $sequence_name_row = $rows_output++;
1029: my $resource_name_row = $rows_output++;
1030: my $maximum_data_row = $rows_output++;
1031: if (! $chosen_output->{'maximum_row'}) {
1032: $rows_output--;
1033: }
1034: my $first_data_row = $rows_output++;
1035: #
1036: # Create sheet
1037: ($excel_workbook,$filename,$format)=
1038: &Apache::loncommon::create_workbook($r);
1039: return if (! defined($excel_workbook));
1040: #
1041: # Add a worksheet
1042: my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1043: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1044: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1045: #
1046: # Put the course description in the header
1047: $excel_sheet->write($header_row,$cols_output++,
1048: $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
1049: $format->{'h1'});
1050: $cols_output += 3;
1051: #
1052: # Put a description of the sections listed
1053: my $sectionstring = '';
1054: my @Sections = &Apache::lonstatistics::get_selected_sections();
1055: $excel_sheet->write($header_row,$cols_output++,
1056: &Apache::lonstatistics::section_and_enrollment_description('plain text'),
1057: $format->{'h3'});
1058: #
1059: # Put the date in there too
1060: $excel_sheet->write($header_row,$cols_output++,
1061: 'Compiled on '.localtime(time),$format->{'h3'});
1062: #
1063: $cols_output = 0;
1064: $excel_sheet->write($description_row,$cols_output++,
1065: $chosen_output->{'shortdesc'},
1066: $format->{'b'});
1067: #
1068: $cols_output = 0;
1069: $excel_sheet->write($notes_row,$cols_output++,
1070: $chosen_output->{'non_html_notes'},
1071: $format->{'i'});
1072:
1073: ##############################################
1074: # Output headings for the raw data
1075: ##############################################
1076: #
1077: # Add the student headers
1078: $cols_output = 0;
1079: foreach my $field (&get_student_fields_to_show()) {
1080: $excel_sheet->write($resource_name_row,$cols_output++,$field,
1081: $format->{'bold'});
1082: }
1083: #
1084: # Add the remaining column headers
1085: my $total_formula_string = '=0';
1086: my $maximum_formula_string = '=0';
1087: foreach my $seq (@sequences) {
1088: my $symb = $seq->symb;
1089: $excel_sheet->write($sequence_name_row,,
1090: $cols_output,$seq->compTitle,$format->{'bold'});
1091: # Determine starting cell
1092: $formula_data{$symb}->{'Excel:startcell'}=
1093: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1094: ($first_data_row,$cols_output);
1095: $formula_data{$symb}->{'Excel:startcol'}=$cols_output;
1096: my $count = 0;
1097: if ($chosen_output->{'every_problem'}) {
1098: # Put the names of the problems and parts into the sheet
1099: foreach my $res (&get_resources($navmap,$seq)) {
1100: if (scalar(@{$res->parts}) > 1) {
1101: foreach my $part (@{$res->parts}) {
1102: $excel_sheet->write($resource_name_row,
1103: $cols_output++,
1104: $res->compTitle.' part '.$res->part_display($part),
1105: $format->{'bold'});
1106: $count++;
1107: }
1108: } else {
1109: $excel_sheet->write($resource_name_row,
1110: $cols_output++,
1111: $res->compTitle,$format->{'bold'});
1112: $count++;
1113: }
1114: }
1115: }
1116: # Determine ending cell
1117: if ($count <= 1) {
1118: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1119: $formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'};
1120: } else {
1121: $formula_data{$symb}->{'Excel:endcell'} =
1122: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1123: ($first_data_row,$cols_output-1);
1124: $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
1125: }
1126: # Create the formula for summing up this sequence
1127: if (! exists($formula_data{$symb}->{'Excel:endcell'}) ||
1128: ! defined($formula_data{$symb}->{'Excel:endcell'})) {
1129: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1130: }
1131: $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
1132: ('=SUM('.$formula_data{$symb}->{'Excel:startcell'}.
1133: ':'.$formula_data{$symb}->{'Excel:endcell'}.')');
1134: # Determine cell the score is held in
1135: $formula_data{$symb}->{'Excel:scorecell'} =
1136: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1137: ($first_data_row,$cols_output);
1138: $formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
1139: if ($chosen_output->{'base'} eq 'parts correct total') {
1140: $excel_sheet->write($resource_name_row,$cols_output++,
1141: 'parts correct',
1142: $format->{'bold'});
1143: } elsif ($chosen_output->{'sequence_sum'}) {
1144: if ($chosen_output->{'correct'}) {
1145: # Only reporting the number correct, so do not call it score
1146: $excel_sheet->write($resource_name_row,$cols_output++,
1147: 'sum',
1148: $format->{'bold'});
1149: } else {
1150: $excel_sheet->write($resource_name_row,$cols_output++,
1151: 'score',
1152: $format->{'bold'});
1153: }
1154: }
1155: #
1156: $total_formula_string.='+'.
1157: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1158: ($first_data_row,$cols_output-1);
1159: if ($chosen_output->{'sequence_max'}) {
1160: $excel_sheet->write($resource_name_row,$cols_output,
1161: 'maximum',
1162: $format->{'bold'});
1163: $formula_data{$symb}->{'Excel:maxcell'} =
1164: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1165: ($first_data_row,$cols_output);
1166: $formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
1167: $maximum_formula_string.='+'.
1168: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1169: ($first_data_row,$cols_output);
1170: $cols_output++;
1171:
1172: }
1173: }
1174: if ($chosen_output->{'grand_total'}) {
1175: $excel_sheet->write($resource_name_row,$cols_output++,'Total',
1176: $format->{'bold'});
1177: }
1178: if ($chosen_output->{'grand_maximum'}) {
1179: $excel_sheet->write($resource_name_row,$cols_output++,'Max. Total',
1180: $format->{'bold'});
1181: }
1182: $total_formula = $excel_sheet->store_formula($total_formula_string);
1183: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1184: ##############################################
1185: # Output a row for MAX, if appropriate
1186: ##############################################
1187: if ($chosen_output->{'maximum_row'}) {
1188: $cols_output = 0;
1189: foreach my $field (&get_student_fields_to_show()) {
1190: if ($field eq 'username' || $field eq 'fullname' ||
1191: $field eq 'id') {
1192: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1193: $format->{'bold'});
1194: } else {
1195: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1196: }
1197: }
1198: #
1199: # Add the maximums for each sequence or assessment
1200: my %total_cell_translation;
1201: my %maximum_cell_translation;
1202: foreach my $seq (@sequences) {
1203: my $symb = $seq->symb;
1204: $cols_output=$formula_data{$symb}->{'Excel:startcol'};
1205: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
1206: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1207: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
1208: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
1209: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1210: ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
1211: my $weight;
1212: my $max = 0;
1213: foreach my $resource (&get_resources($navmap,$seq)) {
1214: foreach my $part (@{$resource->parts}){
1215: $weight = 1;
1216: if ($chosen_output->{'scores'}) {
1217: $weight = &Apache::lonnet::EXT
1218: ('resource.'.$part.'.weight',$resource->{'symb'},
1219: undef,undef,undef);
1220: if (!defined($weight) || ($weight eq '')) {
1221: $weight=1;
1222: }
1223: }
1224: if ($chosen_output->{'scores'} &&
1225: $chosen_output->{'every_problem'}) {
1226: $excel_sheet->write($maximum_data_row,$cols_output++,
1227: $weight);
1228: }
1229: $max += $weight;
1230: }
1231: }
1232: #
1233: if ($chosen_output->{'sequence_sum'} &&
1234: $chosen_output->{'every_problem'}) {
1235: my %replaceCells=
1236: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
1237: $formula_data{$symb}->{'Excel:endcell'}.'$' =>
1238: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
1239: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
1240: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1241: $formula_data{$symb}->{'Excel:sum'},undef,
1242: %replaceCells);
1243:
1244: } elsif ($chosen_output->{'sequence_sum'}) {
1245: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1246: }
1247: if ($chosen_output->{'sequence_max'}) {
1248: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1249: }
1250: #
1251: }
1252: if ($chosen_output->{'grand_total'}) {
1253: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1254: $total_formula,undef,
1255: %total_cell_translation);
1256: }
1257: if ($chosen_output->{'grand_maximum'}) {
1258: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1259: $maximum_formula,undef,
1260: %maximum_cell_translation);
1261: }
1262: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1263: $rows_output = $first_data_row;
1264: ##############################################
1265: # Output summary table, which actually is above the sequence name row.
1266: ##############################################
1267: if ($chosen_output->{'summary_table'}) {
1268: $cols_output = 0;
1269: $excel_sheet->write($summary_header_row,$cols_output++,
1270: 'Summary Table',$format->{'bold'});
1271: if ($chosen_output->{'maximum_row'}) {
1272: $excel_sheet->write($summary_header_row,$cols_output++,
1273: 'Maximum',$format->{'bold'});
1274: }
1275: $excel_sheet->write($summary_header_row,$cols_output++,
1276: 'Average',$format->{'bold'});
1277: $excel_sheet->write($summary_header_row,$cols_output++,
1278: 'Median',$format->{'bold'});
1279: $excel_sheet->write($summary_header_row,$cols_output++,
1280: 'Std Dev',$format->{'bold'});
1281: my $row = $summary_header_row+1;
1282: foreach my $seq (@sequences) {
1283: my $symb = $seq->symb;
1284: $cols_output = 0;
1285: $excel_sheet->write($row,$cols_output++,
1286: $seq->compTitle,
1287: $format->{'bold'});
1288: if ($chosen_output->{'maximum_row'}) {
1289: $excel_sheet->write
1290: ($row,$cols_output++,
1291: '='.
1292: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1293: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
1294: );
1295: }
1296: my $range =
1297: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1298: ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
1299: ':'.
1300: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1301: ($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
1302: $excel_sheet->write($row,$cols_output++,
1303: '=AVERAGE('.$range.')');
1304: $excel_sheet->write($row,$cols_output++,
1305: '=MEDIAN('.$range.')');
1306: $excel_sheet->write($row,$cols_output++,
1307: '=STDEV('.$range.')');
1308: $row++;
1309: }
1310: }
1311: ##############################################
1312: # Take care of non-excel initialization
1313: ##############################################
1314: #
1315: # Let the user know what we are doing
1316: my $studentcount = scalar(@Apache::lonstatistics::Students);
1317: if ($ENV{'form.SelectedStudent'}) {
1318: $studentcount = '1';
1319: }
1320: if ($studentcount > 1) {
1321: $r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students',
1322: $studentcount)."</h1>\n");
1323: } else {
1324: $r->print('<h1>'.
1325: &mt('Compiling Excel spreadsheet for 1 student').
1326: "</h1>\n");
1327: }
1328: $r->rflush();
1329: #
1330: # Initialize progress window
1331: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1332: ($r,'Excel File Compilation Status',
1333: 'Excel File Compilation Progress', $studentcount,
1334: 'inline',undef,'Statistics','stats_status');
1335: #
1336: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1337: 'Processing first student');
1338: return;
1339: }
1340:
1341: sub excel_outputstudent {
1342: my ($r,$student) = @_;
1343: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1344: return;
1345: }
1346: $cols_output=0;
1347: #
1348: # Write out student data
1349: my @to_show = &get_student_fields_to_show();
1350: foreach my $field (@to_show) {
1351: my $value = $student->{$field};
1352: if ($field eq 'comments') {
1353: $value = &Apache::lonmsg::retrieve_instructor_comments
1354: ($student->{'username'},$student->{'domain'});
1355: }
1356: $excel_sheet->write($rows_output,$cols_output++,$value);
1357: }
1358: #
1359: # Get student assessment data
1360: my %StudentsData;
1361: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1362: $student->{'domain'},
1363: undef,
1364: $ENV{'request.course.id'});
1365: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1366: %StudentsData = @tmp;
1367: }
1368: #
1369: # Write out sequence scores and totals data
1370: my %total_cell_translation;
1371: my %maximum_cell_translation;
1372: foreach my $seq (@sequences) {
1373: my $symb = $seq->symb;
1374: $cols_output = $formula_data{$symb}->{'Excel:startcol'};
1375: # Keep track of cells to translate in total cell
1376: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
1377: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1378: ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
1379: # and maximum cell
1380: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
1381: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1382: ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
1383: #
1384: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1385: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1386: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1387: &student_tries_on_sequence($student,\%StudentsData,
1388: $navmap,$seq,'no');
1389: } else {
1390: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1391: &student_performance_on_sequence($student,\%StudentsData,
1392: $navmap,$seq,'no');
1393: }
1394: if ($chosen_output->{'every_problem'}) {
1395: if ($chosen_output->{'correct'}) {
1396: # only indiciate if each item is correct or not
1397: foreach my $value (@$rawdata) {
1398: # nonzero means correct
1399: $value = 1 if ($value > 0);
1400: $excel_sheet->write($rows_output,$cols_output++,$value);
1401: }
1402: } else {
1403: foreach my $value (@$rawdata) {
1404: if ($score eq ' ' || !defined($value)) {
1405: $cols_output++;
1406: } else {
1407: $excel_sheet->write($rows_output,$cols_output++,
1408: $value);
1409: }
1410: }
1411: }
1412: }
1413: if ($chosen_output->{'sequence_sum'} &&
1414: $chosen_output->{'every_problem'}) {
1415: # Write a formula for the sum of this sequence
1416: my %replaceCells=
1417: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
1418: =>
1419: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
1420: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
1421: );
1422: # The undef is for the format
1423: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1424: $formula_data{$symb}->{'Excel:sum'},undef,
1425: %replaceCells);
1426: } elsif ($chosen_output->{'sequence_sum'}) {
1427: if ($score eq ' ') {
1428: $cols_output++;
1429: } else {
1430: $excel_sheet->write($rows_output,$cols_output++,$score);
1431: }
1432: }
1433: if ($chosen_output->{'sequence_max'}) {
1434: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1435: }
1436: }
1437: #
1438: if ($chosen_output->{'grand_total'}) {
1439: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1440: $total_formula,undef,
1441: %total_cell_translation);
1442: }
1443: if ($chosen_output->{'grand_maximum'}) {
1444: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1445: $maximum_formula,undef,
1446: %maximum_cell_translation);
1447: }
1448: #
1449: # Bookkeeping
1450: $rows_output++;
1451: $cols_output=0;
1452: #
1453: # Update the progress window
1454: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1455: return;
1456: }
1457:
1458: sub excel_finish {
1459: my ($r) = @_;
1460: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1461: return;
1462: }
1463: #
1464: # Write the excel file
1465: $excel_workbook->close();
1466: my $c = $r->connection();
1467: #
1468: return if($c->aborted());
1469: #
1470: # Close the progress window
1471: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1472: #
1473: # Tell the user where to get their excel file
1474: $r->print('<br />'.
1475: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1476: $r->rflush();
1477: return;
1478: }
1479:
1480: }
1481: #######################################################
1482: #######################################################
1483:
1484: =pod
1485:
1486: =head2 CSV output routines
1487:
1488: =item &csv_initialize($r)
1489:
1490: =item &csv_outputstudent($r,$student)
1491:
1492: =item &csv_finish($r)
1493:
1494: =cut
1495:
1496: #######################################################
1497: #######################################################
1498: {
1499:
1500: my $outputfile;
1501: my $filename;
1502: my $request_aborted;
1503: my %prog_state; # progress window state
1504: my $navmap;
1505: my @sequences;
1506:
1507: sub csv_initialize{
1508: my ($r) = @_;
1509: #
1510: # Clean up
1511: undef($outputfile);
1512: undef($filename);
1513: undef($request_aborted);
1514: undef(%prog_state);
1515: #
1516: undef($navmap);
1517: undef(@sequences);
1518: ($navmap,@sequences) =
1519: &Apache::lonstatistics::selected_sequences_with_assessments();
1520: if (! ref($navmap)) {
1521: # Unable to get data, so bail out
1522: $r->print("<h3>".
1523: &mt('Unable to retrieve course information.').
1524: '</h3>');
1525: }
1526: #
1527: # Deal with unimplemented requests
1528: $request_aborted = undef;
1529: if ($chosen_output->{'base'} =~ /final table/) {
1530: $r->print(<<END);
1531: <h2>Unable to Complete Request</h2>
1532: <p>
1533: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1534: </p>
1535: END
1536: $request_aborted = 1;
1537: }
1538: return if ($request_aborted);
1539: #
1540: # Initialize progress window
1541: my $studentcount = scalar(@Apache::lonstatistics::Students);
1542: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1543: ($r,'CSV File Compilation Status',
1544: 'CSV File Compilation Progress', $studentcount,
1545: 'inline',undef,'Statistics','stats_status');
1546: #
1547: # Open a file
1548: ($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv');
1549: if (! defined($outputfile)) { return ''; }
1550: #
1551: # Datestamp
1552: my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1553: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1554: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1555: "\n";
1556: print $outputfile '"'.
1557: &Apache::loncommon::csv_translate
1558: (&Apache::lonstatistics::section_and_enrollment_description()).
1559: '"'."\n";
1560: foreach my $item ('shortdesc','non_html_notes') {
1561: next if (! exists($chosen_output->{$item}));
1562: print $outputfile
1563: '"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'.
1564: "\n";
1565: }
1566: #
1567: # Print out the headings
1568: my $sequence_row = '';
1569: my $resource_row = undef;
1570: foreach my $field (&get_student_fields_to_show()) {
1571: $sequence_row .='"",';
1572: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1573: }
1574: foreach my $seq (@sequences) {
1575: $sequence_row .= '"'.
1576: &Apache::loncommon::csv_translate($seq->compTitle).'",';
1577: my $count = 0;
1578: if ($chosen_output->{'every_problem'}) {
1579: foreach my $res (&get_resources($navmap,$seq)) {
1580: if (scalar(@{$res->parts}) < 1) {
1581: next;
1582: }
1583: foreach my $part (@{$res->parts}) {
1584: $resource_row .= '"'.
1585: &Apache::loncommon::csv_translate
1586: ($res->compTitle.', Part '.$res->part_display($part)).'",';
1587: $count++;
1588: }
1589: }
1590: }
1591: $sequence_row.='"",'x$count;
1592: if ($chosen_output->{'sequence_sum'}) {
1593: if($chosen_output->{'correct'}) {
1594: $resource_row .= '"sum",';
1595: } else {
1596: $resource_row .= '"score",';
1597: }
1598: }
1599: if ($chosen_output->{'sequence_max'}) {
1600: $sequence_row.= '"",';
1601: $resource_row .= '"maximum possible",';
1602: }
1603: }
1604: if ($chosen_output->{'grand_total'}) {
1605: $sequence_row.= '"",';
1606: $resource_row.= '"Total",';
1607: }
1608: if ($chosen_output->{'grand_maximum'}) {
1609: $sequence_row.= '"",';
1610: $resource_row.= '"Maximum",';
1611: }
1612: chomp($sequence_row);
1613: chomp($resource_row);
1614: print $outputfile $sequence_row."\n";
1615: print $outputfile $resource_row."\n";
1616: return;
1617: }
1618:
1619: sub csv_outputstudent {
1620: my ($r,$student) = @_;
1621: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1622: return;
1623: }
1624: my $Str = '';
1625: #
1626: # Output student fields
1627: my @to_show = &get_student_fields_to_show();
1628: foreach my $field (@to_show) {
1629: my $value = $student->{$field};
1630: if ($field eq 'comments') {
1631: $value = &Apache::lonmsg::retrieve_instructor_comments
1632: ($student->{'username'},$student->{'domain'});
1633: }
1634: $Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
1635: }
1636: #
1637: # Get student assessment data
1638: my %StudentsData;
1639: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1640: $student->{'domain'},
1641: undef,
1642: $ENV{'request.course.id'});
1643: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1644: %StudentsData = @tmp;
1645: }
1646: #
1647: # Output performance data
1648: my $total = 0;
1649: my $maximum = 0;
1650: foreach my $seq (@sequences) {
1651: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1652: if ($chosen_output->{'tries'}){
1653: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1654: &student_tries_on_sequence($student,\%StudentsData,
1655: $navmap,$seq,'no');
1656: } else {
1657: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1658: &student_performance_on_sequence($student,\%StudentsData,
1659: $navmap,$seq,'no');
1660: }
1661: if ($chosen_output->{'every_problem'}) {
1662: if ($chosen_output->{'correct'}) {
1663: $score = 0;
1664: # Deal with number of parts correct data
1665: $Str .= '"'.join('","',( map { if ($_>0) {
1666: $score += 1;
1667: 1;
1668: } else {
1669: 0;
1670: }
1671: } @$rawdata)).'",';
1672: } else {
1673: $Str .= '"'.join('","',(@$rawdata)).'",';
1674: }
1675: }
1676: if ($chosen_output->{'sequence_sum'}) {
1677: $Str .= '"'.$score.'",';
1678: }
1679: if ($chosen_output->{'sequence_max'}) {
1680: $Str .= '"'.$seq_max.'",';
1681: }
1682: $total+=$score;
1683: $maximum += $seq_max;
1684: }
1685: if ($chosen_output->{'grand_total'}) {
1686: $Str .= '"'.$total.'",';
1687: }
1688: if ($chosen_output->{'grand_maximum'}) {
1689: $Str .= '"'.$maximum.'",';
1690: }
1691: chop($Str);
1692: $Str .= "\n";
1693: print $outputfile $Str;
1694: #
1695: # Update the progress window
1696: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1697: return;
1698: }
1699:
1700: sub csv_finish {
1701: my ($r) = @_;
1702: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1703: return;
1704: }
1705: close($outputfile);
1706: #
1707: my $c = $r->connection();
1708: return if ($c->aborted());
1709: #
1710: # Close the progress window
1711: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1712: #
1713: # Tell the user where to get their csv file
1714: $r->print('<br />'.
1715: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
1716: $r->rflush();
1717: return;
1718:
1719: }
1720:
1721: }
1722:
1723: #######################################################
1724: #######################################################
1725:
1726: =pod
1727:
1728: =item &StudentTriesOnSequence()
1729:
1730: Inputs:
1731:
1732: =over 4
1733:
1734: =item $student
1735:
1736: =item $studentdata Hash ref to all student data
1737:
1738: =item $seq Hash ref, the sequence we are working on
1739:
1740: =item $links if defined we will output links to each resource.
1741:
1742: =back
1743:
1744: =cut
1745:
1746: #######################################################
1747: #######################################################
1748: sub student_tries_on_sequence {
1749: my ($student,$studentdata,$navmap,$seq,$links) = @_;
1750: $links = 'no' if (! defined($links));
1751: my $Str = '';
1752: my ($sum,$max) = (0,0);
1753: my $performance_length = 0;
1754: my @TriesData = ();
1755: my $tries;
1756: my $hasdata = 0; # flag - true if the student has any data on the sequence
1757: foreach my $resource (&get_resources($navmap,$seq)) {
1758: my $resource_data = $studentdata->{$resource->symb};
1759: my $value = '';
1760: foreach my $partnum (@{$resource->parts()}) {
1761: $tries = undef;
1762: $max++;
1763: $performance_length++;
1764: my $symbol = ' '; # default to space
1765: #
1766: my $awarded = 0;
1767: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1768: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1769: $awarded = 0 if (! $awarded);
1770: }
1771: #
1772: my $status = '';
1773: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1774: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1775: }
1776: #
1777: my $tries = 0;
1778: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1779: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1780: $hasdata =1;
1781: }
1782: #
1783: if ($awarded > 0) {
1784: # The student has gotten the problem correct to some degree
1785: if ($status eq 'excused') {
1786: $symbol = 'x';
1787: $max--;
1788: } elsif ($status eq 'correct_by_override') {
1789: $symbol = '+';
1790: $sum++;
1791: } elsif ($tries > 0) {
1792: if ($tries > 9) {
1793: $symbol = '*';
1794: } else {
1795: $symbol = $tries;
1796: }
1797: $sum++;
1798: } else {
1799: $symbol = '+';
1800: $sum++;
1801: }
1802: } else {
1803: # The student has the problem incorrect or it is ungraded
1804: if ($status eq 'excused') {
1805: $symbol = 'x';
1806: $max--;
1807: } elsif ($status eq 'incorrect_by_override') {
1808: $symbol = '-';
1809: } elsif ($status eq 'ungraded_attempted') {
1810: $symbol = '#';
1811: } elsif ($status eq 'incorrect_attempted' ||
1812: $tries > 0) {
1813: $symbol = '.';
1814: } else {
1815: # Problem is wrong and has not been attempted.
1816: $symbol=' ';
1817: }
1818: }
1819: #
1820: if (! defined($tries)) {
1821: $tries = 0;
1822: }
1823: if ($status =~ /^(incorrect|ungraded)/) {
1824: # Bug 3390: show '-' for tries on incorrect problems
1825: # (csv & excel only)
1826: push(@TriesData,-$tries);
1827: } else {
1828: push (@TriesData,$tries);
1829: }
1830: #
1831: if ( ($links eq 'yes' && $symbol ne ' ') ||
1832: ($links eq 'all')) {
1833: if (length($symbol) > 1) {
1834: &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
1835: }
1836: $symbol = '<a href="/adm/grades'.
1837: '?symb='.&Apache::lonnet::escape($resource->symb).
1838: '&student='.$student->{'username'}.
1839: '&userdom='.$student->{'domain'}.
1840: '&command=submission">'.$symbol.'</a>';
1841: }
1842: $value .= $symbol;
1843: }
1844: $Str .= $value;
1845: }
1846: if ($seq->randompick()) {
1847: $max = $seq->randompick();
1848: }
1849: if (! $hasdata && $sum == 0) {
1850: $sum = ' ';
1851: }
1852: return ($Str,$performance_length,$sum,$max,\@TriesData);
1853: }
1854:
1855: #######################################################
1856: #######################################################
1857:
1858: =pod
1859:
1860: =item &student_performance_on_sequence
1861:
1862: Inputs:
1863:
1864: =over 4
1865:
1866: =item $student
1867:
1868: =item $studentdata Hash ref to all student data
1869:
1870: =item $seq Hash ref, the sequence we are working on
1871:
1872: =item $links if defined we will output links to each resource.
1873:
1874: =back
1875:
1876: =cut
1877:
1878: #######################################################
1879: #######################################################
1880: sub student_performance_on_sequence {
1881: my ($student,$studentdata,$navmap,$seq,$links) = @_;
1882: $links = 'no' if (! defined($links));
1883: my $Str = ''; # final result string
1884: my ($score,$max) = (0,0);
1885: my $performance_length = 0;
1886: my $symbol;
1887: my @ScoreData = ();
1888: my $partscore;
1889: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
1890: foreach my $resource (&get_resources($navmap,$seq)) {
1891: my $symb = $resource->symb;
1892: my $resource_data = $studentdata->{$symb};
1893: foreach my $part (@{$resource->parts()}) {
1894: $partscore = undef;
1895: my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
1896: $symb,
1897: $student->{'domain'},
1898: $student->{'username'},
1899: $student->{'section'});
1900: if (!defined($weight) || ($weight eq '')) {
1901: $weight=1;
1902: }
1903: #
1904: $max += $weight; # see the 'excused' branch below...
1905: $performance_length++; # one character per part
1906: $symbol = ' '; # default to space
1907: #
1908: my $awarded;
1909: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
1910: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1911: $awarded = 0 if (! $awarded);
1912: $hasdata = 1;
1913: }
1914: #
1915: $partscore = $weight*$awarded;
1916: if (! defined($awarded)) {
1917: $partscore = undef;
1918: }
1919: $score += $partscore;
1920: $symbol = $partscore;
1921: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
1922: $symbol = sprintf("%.0f",$symbol);
1923: }
1924: if (length($symbol) > 1) {
1925: $symbol = '*';
1926: }
1927: if (exists($resource_data->{'resource.'.$part.'.solved'})) {
1928: my $status = $resource_data->{'resource.'.$part.'.solved'};
1929: if ($status eq 'excused') {
1930: $symbol = 'x';
1931: $max -= $weight; # Do not count 'excused' problems.
1932: }
1933: $hasdata = 1;
1934: } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
1935: # Unsolved. Did they try?
1936: if (exists($resource_data->{'resource.'.$part.'.tries'})){
1937: $symbol = '.';
1938: $hasdata = 1;
1939: } else {
1940: $symbol = ' ';
1941: }
1942: }
1943: #
1944: if (! defined($partscore)) {
1945: $partscore = $symbol;
1946: }
1947: push (@ScoreData,$partscore);
1948: #
1949: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1950: $symbol = '<a href="/adm/grades'.
1951: '?symb='.&Apache::lonnet::escape($symb).
1952: '&student='.$student->{'username'}.
1953: '&userdom='.$student->{'domain'}.
1954: '&command=submission">'.$symbol.'</a>';
1955: }
1956: $Str .= $symbol;
1957: }
1958: }
1959: if (! $hasdata && $score == 0) {
1960: $score = ' ';
1961: }
1962: return ($Str,$performance_length,$score,$max,\@ScoreData);
1963: }
1964:
1965: #######################################################
1966: #######################################################
1967:
1968: =pod
1969:
1970: =item &CreateLegend()
1971:
1972: This function returns a formatted string containing the legend for the
1973: chart. The legend describes the symbols used to represent grades for
1974: problems.
1975:
1976: =cut
1977:
1978: #######################################################
1979: #######################################################
1980: sub CreateLegend {
1981: my $Str = "<p><pre>".
1982: " 1 correct by student in 1 try\n".
1983: " 7 correct by student in 7 tries\n".
1984: " * correct by student in more than 9 tries\n".
1985: " + correct by hand grading or override\n".
1986: " - incorrect by override\n".
1987: " . incorrect attempted\n".
1988: " # ungraded attempted\n".
1989: " not attempted (blank field)\n".
1990: " x excused".
1991: "</pre><p>";
1992: return $Str;
1993: }
1994:
1995: #######################################################
1996: #######################################################
1997:
1998: =pod
1999:
2000: =back
2001:
2002: =cut
2003:
2004: #######################################################
2005: #######################################################
2006:
2007: 1;
2008:
2009: __END__
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