1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.118 2005/03/11 20:26:32 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: #
177: my $initialize = \&html_initialize;
178: my $output_student = \&html_outputstudent;
179: my $finish = \&html_finish;
180: #
181: if ($output_mode eq 'excel') {
182: $initialize = \&excel_initialize;
183: $output_student = \&excel_outputstudent;
184: $finish = \&excel_finish;
185: } elsif ($output_mode eq 'csv') {
186: $initialize = \&csv_initialize;
187: $output_student = \&csv_outputstudent;
188: $finish = \&csv_finish;
189: }
190: #
191: if($c->aborted()) { return ; }
192: #
193: # Determine which students we want to look at
194: my @Students;
195: if ($single_student_mode) {
196: @Students = (&Apache::lonstatistics::current_student());
197: $r->print(&next_and_previous_buttons());
198: $r->rflush();
199: } else {
200: @Students = @Apache::lonstatistics::Students;
201: }
202: #
203: # Perform generic initialization tasks
204: # Since we use lonnet::EXT to retrieve problem weights,
205: # to ensure current data we must clear the caches out.
206: # This makes sure that parameter changes at the student level
207: # are immediately reflected in the chart.
208: &Apache::lonnet::clear_EXT_cache_status();
209: #
210: # Clean out loncoursedata's package data, just to be safe.
211: &Apache::loncoursedata::clear_internal_caches();
212: #
213: # Call the initialize routine selected above
214: $initialize->($r);
215: foreach my $student (@Students) {
216: if($c->aborted()) {
217: $finish->($r);
218: return ;
219: }
220: # Call the output_student routine selected above
221: $output_student->($r,$student);
222: }
223: # Call the "finish" routine selected above
224: $finish->($r);
225: #
226: return;
227: }
228:
229: #######################################################
230: #######################################################
231: sub next_and_previous_buttons {
232: my $Str = '';
233: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
234: $ENV{'form.SelectedStudent'}.'" />';
235: #
236: # Build the previous student link
237: my $previous = &Apache::lonstatistics::previous_student();
238: my $previousbutton = '';
239: if (defined($previous)) {
240: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
241: $previousbutton .= '<input type="button" value="'.
242: 'Previous Student ('.
243: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
244: '" onclick="document.Statistics.SelectedStudent.value='.
245: "'".$sname."'".';'.
246: 'document.Statistics.submit();" />';
247: } else {
248: $previousbutton .= '<input type="button" value="'.
249: 'Previous student (none)'.'" />';
250: }
251: #
252: # Build the next student link
253: my $next = &Apache::lonstatistics::next_student();
254: my $nextbutton = '';
255: if (defined($next)) {
256: my $sname = $next->{'username'}.':'.$next->{'domain'};
257: $nextbutton .= '<input type="button" value="'.
258: 'Next Student ('.
259: $next->{'username'}.'@'.$next->{'domain'}.')'.
260: '" onclick="document.Statistics.SelectedStudent.value='.
261: "'".$sname."'".';'.
262: 'document.Statistics.submit();" />';
263: } else {
264: $nextbutton .= '<input type="button" value="'.
265: 'Next student (none)'.'" />';
266: }
267: #
268: # Build the 'all students' button
269: my $all = '';
270: $all .= '<input type="button" value="All Students" '.
271: '" onclick="document.Statistics.SelectedStudent.value='.
272: "''".';'.'document.Statistics.submit();" />';
273: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
274: return $Str;
275: }
276:
277: #######################################################
278: #######################################################
279:
280: sub get_student_fields_to_show {
281: my @to_show = @Apache::lonstatistics::SelectedStudentData;
282: foreach (@to_show) {
283: if ($_ eq 'all') {
284: @to_show = @Apache::lonstatistics::StudentDataOrder;
285: last;
286: }
287: }
288: return @to_show;
289: }
290:
291: #######################################################
292: #######################################################
293:
294: =pod
295:
296: =item &CreateInterface()
297:
298: Called by &BuildStudentAssessmentPage to create the top part of the
299: page which displays the chart.
300:
301: Inputs: None
302:
303: Returns: A string containing the HTML for the headers and top table for
304: the chart page.
305:
306: =cut
307:
308: #######################################################
309: #######################################################
310: sub CreateInterface {
311: my $Str = '';
312: $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Chart');
313: # $Str .= &CreateLegend();
314: $Str .= '<table cellspacing="5">'."\n";
315: $Str .= '<tr>';
316: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
317: $Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';
318: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
319: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
320: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
321: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
322: '</td>';
323: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
324: &Apache::loncommon::help_open_topic("Chart_Output_Data").
325: '</td>';
326: $Str .= '</tr>'."\n";
327: #
328: $Str .= '<tr><td align="center">'."\n";
329: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
330: $Str .= '</td><td align="center">';
331: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
332: 5,undef);
333: $Str .= '</td><td>'."\n";
334: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
335: $Str .= '</td><td>'."\n";
336: $Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5);
337: $Str .= '</td><td>'."\n";
338: $Str .= &CreateAndParseOutputSelector();
339: $Str .= '</td><td>'."\n";
340: $Str .= &CreateAndParseOutputDataSelector();
341: $Str .= '</td></tr>'."\n";
342: $Str .= '</table>'."\n";
343: $Str .= '<input type="submit" name="Generate Chart" value="'.
344: &mt('Generate Chart').'" />';
345: $Str .= ' 'x5;
346: $Str .= '<input type="submit" name="selectstudent" value="'.
347: &mt('Select One Student').'" />';
348: $Str .= ' 'x5;
349: $Str .= '<input type="submit" name="ClearCache" value="'.
350: &mt('Clear Caches').'" />';
351: $Str .= ' 'x5;
352: $Str .=
353: &mt('Status[_1]',
354: '<input type="text" name="stats_status" size="60" value="" />');
355: $Str .= '<br />';
356: return $Str;
357: }
358:
359: #######################################################
360: #######################################################
361:
362: =pod
363:
364: =item &CreateAndParseOutputSelector()
365:
366: =cut
367:
368: #######################################################
369: #######################################################
370: my @OutputOptions =
371: ({ name => 'HTML, with links',
372: value => 'html, with links',
373: description => 'Output HTML with each symbol linked to the problem '.
374: 'which generated it.',
375: mode => 'html',
376: show_links => 'yes',
377: },
378: { name => 'HTML, with all links',
379: value => 'html, with all links',
380: description => 'Output HTML with each symbol linked to the problem '.
381: 'which generated it. '.
382: 'This includes links for unattempted problems.',
383: mode => 'html',
384: show_links => 'all',
385: },
386: { name => 'HTML, without links',
387: value => 'html, without links',
388: description => 'Output HTML. By not including links, the size of the'.
389: ' web page is greatly reduced. If your browser crashes on the '.
390: 'full display, try this.',
391: mode => 'html',
392: show_links => 'no',
393: },
394: { name => 'Excel',
395: value => 'excel',
396: description => 'Output an Excel file (compatable with Excel 95).',
397: mode => 'excel',
398: show_links => 'no',
399: },
400: { name => 'CSV',
401: value => 'csv',
402: description => 'Output a comma separated values file suitable for '.
403: 'import into a spreadsheet program. Using this method as opposed '.
404: 'to Excel output allows you to organize your data before importing'.
405: ' it into a spreadsheet program.',
406: mode => 'csv',
407: show_links => 'no',
408: },
409: );
410:
411: sub OutputDescriptions {
412: my $Str = '';
413: $Str .= "<h2>Output Formats</h2>\n";
414: $Str .= "<dl>\n";
415: foreach my $outputmode (@OutputOptions) {
416: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
417: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
418: }
419: $Str .= "</dl>\n";
420: return $Str;
421: }
422:
423: sub CreateAndParseOutputSelector {
424: my $Str = '';
425: my $elementname = 'chartoutputmode';
426: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
427: [$elementname]);
428: #
429: # Format for output options is 'mode, restrictions';
430: my $selected = 'html, without links';
431: if (exists($ENV{'form.'.$elementname})) {
432: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
433: $selected = $ENV{'form.'.$elementname}->[0];
434: } else {
435: $selected = $ENV{'form.'.$elementname};
436: }
437: }
438: #
439: # Set package variables describing output mode
440: $show_links = 'no';
441: $output_mode = 'html';
442: foreach my $option (@OutputOptions) {
443: next if ($option->{'value'} ne $selected);
444: $output_mode = $option->{'mode'};
445: $show_links = $option->{'show_links'};
446: }
447:
448: #
449: # Build the form element
450: $Str = qq/<select size="5" name="$elementname">/;
451: foreach my $option (@OutputOptions) {
452: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
453: $Str .= " selected " if ($option->{'value'} eq $selected);
454: $Str .= ">".&mt($option->{'name'})."<\/option>";
455: }
456: $Str .= "\n</select>";
457: return $Str;
458: }
459:
460: ##
461: ## Data selector stuff
462: ##
463: my @OutputDataOptions =
464: (
465: { name => 'Scores Summary',
466: base => 'scores',
467: value => 'sum and total',
468: scores => 1,
469: tries => 0,
470: every_problem => 0,
471: sequence_sum => 1,
472: sequence_max => 1,
473: grand_total => 1,
474: grand_maximum => 1,
475: summary_table => 1,
476: maximum_row => 1,
477: shortdesc => 'Total Score and Maximum Possible for each '.
478: 'Sequence or Folder',
479: longdesc => 'The score of each student as well as the '.
480: ' maximum possible on each Sequence or Folder.',
481: },
482: { name => 'Scores Per Problem',
483: base => 'scores',
484: value => 'scores',
485: scores => 1,
486: tries => 0,
487: correct => 0,
488: every_problem => 1,
489: sequence_sum => 1,
490: sequence_max => 1,
491: grand_total => 1,
492: grand_maximum => 1,
493: summary_table => 1,
494: maximum_row => 1,
495: shortdesc => 'Score on each Problem Part',
496: longdesc =>'The students score on each problem part, computed as'.
497: 'the part weight * part awarded',
498: },
499: { name =>'Tries',
500: base =>'tries',
501: value => 'tries',
502: scores => 0,
503: tries => 1,
504: correct => 0,
505: every_problem => 1,
506: sequence_sum => 0,
507: sequence_max => 0,
508: grand_total => 0,
509: grand_maximum => 0,
510: summary_table => 0,
511: maximum_row => 0,
512: shortdesc => 'Number of Tries before success on each Problem Part',
513: longdesc =>'The number of tries before success on each problem part.',
514: non_html_notes => 'negative values indicate an incorrect problem',
515: },
516: { name =>'Parts Correct',
517: base =>'tries',
518: value => 'parts correct total',
519: scores => 0,
520: tries => 0,
521: correct => 1,
522: every_problem => 1,
523: sequence_sum => 1,
524: sequence_max => 1,
525: grand_total => 1,
526: grand_maximum => 1,
527: summary_table => 1,
528: maximum_row => 0,
529: shortdesc => 'Number of Problem Parts completed successfully.',
530: longdesc => 'The Number of Problem Parts completed successfully and '.
531: 'the maximum possible for each student',
532: },
533: );
534:
535: sub HTMLifyOutputDataDescriptions {
536: my $Str = '';
537: $Str .= "<h2>Output Data</h2>\n";
538: $Str .= "<dl>\n";
539: foreach my $option (@OutputDataOptions) {
540: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
541: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
542: }
543: $Str .= "</dl>\n";
544: return $Str;
545: }
546:
547: sub CreateAndParseOutputDataSelector {
548: my $Str = '';
549: my $elementname = 'chartoutputdata';
550: #
551: my $selected = 'scores';
552: if (exists($ENV{'form.'.$elementname})) {
553: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
554: $selected = $ENV{'form.'.$elementname}->[0];
555: } else {
556: $selected = $ENV{'form.'.$elementname};
557: }
558: }
559: #
560: $chosen_output = $OutputDataOptions[0];
561: foreach my $option (@OutputDataOptions) {
562: if ($option->{'value'} eq $selected) {
563: $chosen_output = $option;
564: }
565: }
566: #
567: # Build the form element
568: $Str = qq/<select size="5" name="$elementname">/;
569: foreach my $option (@OutputDataOptions) {
570: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
571: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
572: $Str .= ">".&mt($option->{'name'})."<\/option>";
573: }
574: $Str .= "\n</select>";
575: return $Str;
576:
577: }
578:
579: #######################################################
580: #######################################################
581: sub count_parts {
582: my ($navmap,$sequence) = @_;
583: my @resources = &get_resources($navmap,$sequence);
584: my $count = 0;
585: foreach my $res (@resources) {
586: $count += scalar(@{$res->parts});
587: }
588: return $count;
589: }
590:
591: sub get_resources {
592: my ($navmap,$sequence) = @_;
593: my @resources = $navmap->retrieveResources($sequence,
594: sub { shift->is_problem(); },
595: 0,0,0);
596: return @resources;
597: }
598:
599: #######################################################
600: #######################################################
601:
602: =pod
603:
604: =head2 HTML output routines
605:
606: =item &html_initialize($r)
607:
608: Create labels for the columns of student data to show.
609:
610: =item &html_outputstudent($r,$student)
611:
612: Return a line of the chart for a student.
613:
614: =item &html_finish($r)
615:
616: =cut
617:
618: #######################################################
619: #######################################################
620: {
621: my $padding;
622: my $count;
623:
624: my $nodata_count; # The number of students for which there is no data
625: my %prog_state; # progress state used by loncommon PrgWin routines
626: my $total_sum_width;
627:
628: my %width; # Holds sequence width information
629: my @sequences;
630: my $navmap; # Have to keep this around since weakref is a bit zealous
631:
632: sub html_initialize {
633: my ($r) = @_;
634: #
635: $padding = ' 'x3;
636: $count = 0;
637: $nodata_count = 0;
638: undef(%prog_state);
639: undef(%width);
640: #
641: undef($navmap);
642: undef(@sequences);
643: ($navmap,@sequences) =
644: &Apache::lonstatistics::selected_sequences_with_assessments();
645: if (! ref($navmap)) {
646: # Unable to get data, so bail out
647: $r->print("<h3>".
648: &mt('Unable to retrieve course information.').
649: '</h3>');
650: }
651: #
652: $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
653: " ".localtime(time)."</h3>");
654: #
655: if ($chosen_output->{'base'} !~ /^final table/) {
656: $r->print("<h3>".$chosen_output->{'shortdesc'}."</h3>");
657: }
658: my $Str = "<pre>\n";
659: # First, the @StudentData fields need to be listed
660: my @to_show = &get_student_fields_to_show();
661: foreach my $field (@to_show) {
662: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
663: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
664: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
665: $Str .= $title.' 'x($width-$base).$padding;
666: }
667: #
668: # Compute the column widths and output the sequence titles
669: my $total_count;
670: #
671: # Compute sequence widths
672: my $starttime = Time::HiRes::time;
673: foreach my $seq (@sequences) {
674: my $symb = $seq->symb;
675: my $title = $seq->compTitle;
676: $width{$symb}->{'width_sum'} = 0;
677: # Compute width of sum
678: if ($chosen_output->{'sequence_sum'}) {
679: if ($chosen_output->{'every_problem'}) {
680: # Use 1 digit for a space
681: $width{$symb}->{'width_sum'} += 1;
682: }
683: $total_count += &count_parts($navmap,$seq);
684: # Use 3 digits for the sum
685: $width{$symb}->{'width_sum'} += 3;
686: }
687: # Compute width of maximum
688: if ($chosen_output->{'sequence_max'}) {
689: if ($width{$symb}->{'width_sum'}>0) {
690: # One digit for the '/'
691: $width{$symb}->{'width_sum'} +=1;
692: }
693: # Use 3 digits for the total
694: $width{$symb}->{'width_sum'}+=3;
695: }
696: #
697: if ($chosen_output->{'every_problem'}) {
698: # one problem per digit
699: $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
700: $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
701: } else {
702: $width{$symb}->{'width_problem'} = 0;
703: }
704: $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
705: $width{$symb}->{'width_sum'};
706: if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
707: $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
708: }
709: #
710: # Output the sequence titles
711: $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
712: length($title)
713: )).$padding;
714: }
715: $total_sum_width = length($total_count)+1;
716: $Str .= " total</pre>\n";
717: $Str .= "<pre>";
718: $r->print($Str);
719: $r->rflush();
720: return;
721: }
722:
723: sub html_outputstudent {
724: my ($r,$student) = @_;
725: my $Str = '';
726: return if (! defined($navmap));
727: #
728: if($count++ % 5 == 0 && $count > 0) {
729: $r->print("</pre><pre>");
730: }
731: # First, the @StudentData fields need to be listed
732: my @to_show = &get_student_fields_to_show();
733: foreach my $field (@to_show) {
734: my $title=$student->{$field};
735: # Deal with 'comments' - how I love special cases
736: if ($field eq 'comments') {
737: $title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
738: }
739: my $base = length($title);
740: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
741: $Str .= $title.' 'x($width-$base).$padding;
742: }
743: # Get ALL the students data
744: my %StudentsData;
745: my @tmp = &Apache::loncoursedata::get_current_state
746: ($student->{'username'},$student->{'domain'},undef,
747: $ENV{'request.course.id'});
748: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
749: %StudentsData = @tmp;
750: }
751: if (scalar(@tmp) < 1) {
752: $nodata_count++;
753: $Str .= '<font color="blue">No Course Data</font>'."\n";
754: $r->print($Str);
755: $r->rflush();
756: return;
757: }
758: #
759: # By sequence build up the data
760: my $studentstats;
761: my $PerformanceStr = '';
762: foreach my $seq (@sequences) {
763: my $symb = $seq->symb;
764: my ($performance,$performance_length,$score,$seq_max,$rawdata);
765: if ($chosen_output->{'tries'}) {
766: ($performance,$performance_length,$score,$seq_max,$rawdata) =
767: &student_tries_on_sequence($student,\%StudentsData,
768: $navmap,$seq,$show_links);
769: } else {
770: ($performance,$performance_length,$score,$seq_max,$rawdata) =
771: &student_performance_on_sequence($student,\%StudentsData,
772: $navmap,$seq,$show_links);
773: }
774: my $ratio='';
775: if ($chosen_output->{'every_problem'} &&
776: $chosen_output->{'sequence_sum'}) {
777: $ratio .= ' ';
778: }
779: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
780: my $score .= sprintf("%3.0f",$score);
781: $ratio .= (' 'x(3-length($score))).$score;
782: } elsif($chosen_output->{'sequence_sum'}) {
783: $ratio .= ' 'x3;
784: }
785: if ($chosen_output->{'sequence_max'}) {
786: if ($chosen_output->{'sequence_sum'}) {
787: $ratio .= '/';
788: }
789: $ratio .= sprintf("%3.0f",$seq_max);
790: }
791: #
792: if (! $chosen_output->{'every_problem'}) {
793: $performance = '';
794: $performance_length=0;
795: }
796: $performance .= ' 'x($width{$symb}->{'width_total'} -
797: $performance_length -
798: $width{$symb}->{'width_sum'}).
799: $ratio;
800: #
801: $Str .= $performance.$padding;
802: #
803: $studentstats->{$symb}->{'score'}= $score;
804: $studentstats->{$symb}->{'max'} = $seq_max;
805: }
806: #
807: # Total it up and store the statistics info.
808: my ($score,$max);
809: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
810: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
811: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
812: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
813: }
814: if ($seq_stats->{'score'} ne ' ') {
815: $score += $seq_stats->{'score'};
816: $Statistics->{$symb}->{'num_students'}++;
817: }
818: $max += $seq_stats->{'max'};
819: }
820: if (! defined($score)) {
821: $score = ' ' x $total_sum_width;
822: } else {
823: $score = sprintf("%.0f",$score);
824: $score = (' 'x(3-length($score))).$score;
825: }
826: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
827: $Str .= " \n";
828: #
829: $r->print($Str);
830: #
831: $r->rflush();
832: return;
833: }
834:
835: sub html_finish {
836: my ($r) = @_;
837: return if (! defined($navmap));
838: #
839: # Check for suppressed output and close the progress window if so
840: $r->print("</pre>\n");
841: if ($chosen_output->{'summary_table'}) {
842: if ($single_student_mode) {
843: $r->print(&SingleStudentTotal());
844: } else {
845: $r->print(&StudentAverageTotal());
846: }
847: }
848: $r->rflush();
849: undef($navmap);
850: return;
851: }
852:
853: sub StudentAverageTotal {
854: my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
855: $Str .= '<table border=2 cellspacing="1">'."\n";
856: $Str .= '<tr>'.
857: '<th>'.&mt('Title').'</th>'.
858: '<th>'.&mt('Average').'</th>'.
859: '<th>'.&mt('Maximum').'</th>'.
860: '</tr>'.$/;
861: foreach my $seq (@sequences) {
862: my $symb = $seq->symb;
863: my $ave;
864: my $num_students = $Statistics->{$symb}->{'num_students'};
865: if ($num_students > 0) {
866: $ave = int(100*
867: ($Statistics->{$symb}->{'score'}/$num_students)
868: )/100;
869: } else {
870: $ave = 0;
871: }
872: my $max = $Statistics->{$symb}->{'max'};
873: $ave = sprintf("%.2f",$ave);
874: $Str .= '<tr><td>'.$seq->compTitle.'</td>'.
875: '<td align="right">'.$ave.' </td>'.
876: '<td align="right">'.$max.' '.'</td></tr>'."\n";
877: }
878: $Str .= "</table>\n";
879: return $Str;
880: }
881:
882: sub SingleStudentTotal {
883: return if (! defined($navmap));
884: my $student = &Apache::lonstatistics::current_student();
885: my $Str = '<h3>'.&mt('Summary table for [_1] ([_2]@[_3])',
886: $student->{'fullname'},
887: $student->{'username'},$student->{'domain'}).'</h3>';
888: $Str .= $/;
889: $Str .= '<table border=2 cellspacing="1">'."\n";
890: $Str .=
891: '<tr>'.
892: '<th>'.&mt('Sequence or Folder').'</th>';
893: if ($chosen_output->{'base'} eq 'tries') {
894: $Str .= '<th>'.&mt('Parts Correct').'</th>';
895: } else {
896: $Str .= '<th>'.&mt('Score').'</th>';
897: }
898: $Str .= '<th>'.&mt('Maximum').'</th>'."</tr>\n";
899: my $total = 0;
900: my $total_max = 0;
901: foreach my $seq (@sequences) {
902: my $value = $Statistics->{$seq->symb}->{'score'};
903: my $max = $Statistics->{$seq->symb}->{'max'};
904: $Str .= '<tr><td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
905: '<td align="right">'.$value.'</td>'.
906: '<td align="right">'.$max.'</td></tr>'."\n";
907: $total += $value;
908: $total_max +=$max;
909: }
910: $Str .= '<tr><td><b>'.&mt('Total').'</b></td>'.
911: '<td align="right">'.$total.'</td>'.
912: '<td align="right">'.$total_max."</td></tr>\n";
913: $Str .= "</table>\n";
914: return $Str;
915: }
916:
917: }
918:
919: #######################################################
920: #######################################################
921:
922: =pod
923:
924: =head2 EXCEL subroutines
925:
926: =item &excel_initialize($r)
927:
928: =item &excel_outputstudent($r,$student)
929:
930: =item &excel_finish($r)
931:
932: =cut
933:
934: #######################################################
935: #######################################################
936: {
937:
938: my $excel_sheet;
939: my $excel_workbook;
940: my $format;
941:
942: my $filename;
943: my $rows_output;
944: my $cols_output;
945:
946: my %prog_state; # progress window state
947: my $request_aborted;
948:
949: my $total_formula;
950: my $maximum_formula;
951: my %formula_data;
952:
953: my $navmap;
954: my @sequences;
955:
956: sub excel_initialize {
957: my ($r) = @_;
958: #
959: undef ($excel_sheet);
960: undef ($excel_workbook);
961: undef ($filename);
962: undef ($rows_output);
963: undef ($cols_output);
964: undef (%prog_state);
965: undef ($request_aborted);
966: undef ($total_formula);
967: undef ($maximum_formula);
968: #
969: undef(%formula_data);
970: #
971: undef($navmap);
972: undef(@sequences);
973: ($navmap,@sequences) =
974: &Apache::lonstatistics::selected_sequences_with_assessments();
975: if (! ref($navmap)) {
976: # Unable to get data, so bail out
977: $r->print("<h3>".
978: &mt('Unable to retrieve course information.').
979: '</h3>');
980: }
981: #
982: my $total_columns = scalar(&get_student_fields_to_show());
983: my $num_students = scalar(@Apache::lonstatistics::Students);
984: #
985: foreach my $seq (@sequences) {
986: if ($chosen_output->{'every_problem'}) {
987: $total_columns+=&count_parts($navmap,$seq);
988: }
989: # Add 2 because we need a 'sequence_sum' and 'total' column for each
990: $total_columns += 2;
991: }
992: my $too_many_cols_error_message =
993: '<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
994: '<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>'.$/.
995: '<p>'.&mt('You may consider reducing the number of <b>Sequences or Folders</b> you have selected.').'</p>'.$/.
996: '<p>'.&mt('LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the <b>Scores Summary</b> data.').'</p>'.$/;
997: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
998: $r->print($too_many_cols_error_message);
999: $request_aborted = 1;
1000: }
1001: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1002: $r->print($too_many_cols_error_message);
1003: $request_aborted = 1;
1004: }
1005: return if ($request_aborted);
1006: #
1007: #
1008: $excel_workbook = undef;
1009: $excel_sheet = undef;
1010: #
1011: $rows_output = 0;
1012: $cols_output = 0;
1013: #
1014: # Determine rows
1015: my $header_row = $rows_output++;
1016: my $description_row = $rows_output++;
1017: my $notes_row = $rows_output++;
1018: $rows_output++; # blank row
1019: my $summary_header_row;
1020: if ($chosen_output->{'summary_table'}) {
1021: $summary_header_row = $rows_output++;
1022: $rows_output+= scalar(@sequences);
1023: $rows_output++;
1024: }
1025: my $sequence_name_row = $rows_output++;
1026: my $resource_name_row = $rows_output++;
1027: my $maximum_data_row = $rows_output++;
1028: if (! $chosen_output->{'maximum_row'}) {
1029: $rows_output--;
1030: }
1031: my $first_data_row = $rows_output++;
1032: #
1033: # Create sheet
1034: ($excel_workbook,$filename,$format)=
1035: &Apache::loncommon::create_workbook($r);
1036: return if (! defined($excel_workbook));
1037: #
1038: # Add a worksheet
1039: my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1040: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1041: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1042: #
1043: # Put the course description in the header
1044: $excel_sheet->write($header_row,$cols_output++,
1045: $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
1046: $format->{'h1'});
1047: $cols_output += 3;
1048: #
1049: # Put a description of the sections listed
1050: my $sectionstring = '';
1051: my @Sections = @Apache::lonstatistics::SelectedSections;
1052: if (scalar(@Sections) > 1) {
1053: if (scalar(@Sections) > 2) {
1054: my $last = pop(@Sections);
1055: $sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
1056: } else {
1057: $sectionstring = "Sections ".join(' and ',@Sections);
1058: }
1059: } else {
1060: if ($Sections[0] eq 'all') {
1061: $sectionstring = "All sections";
1062: } else {
1063: $sectionstring = "Section ".$Sections[0];
1064: }
1065: }
1066: $excel_sheet->write($header_row,$cols_output++,$sectionstring,
1067: $format->{'h3'});
1068: $cols_output += scalar(@Sections);
1069: #
1070: # Put the date in there too
1071: $excel_sheet->write($header_row,$cols_output++,
1072: 'Compiled on '.localtime(time),$format->{'h3'});
1073: #
1074: $cols_output = 0;
1075: $excel_sheet->write($description_row,$cols_output++,
1076: $chosen_output->{'shortdesc'},
1077: $format->{'b'});
1078: #
1079: $cols_output = 0;
1080: $excel_sheet->write($notes_row,$cols_output++,
1081: $chosen_output->{'non_html_notes'},
1082: $format->{'i'});
1083:
1084: ##############################################
1085: # Output headings for the raw data
1086: ##############################################
1087: #
1088: # Add the student headers
1089: $cols_output = 0;
1090: foreach my $field (&get_student_fields_to_show()) {
1091: $excel_sheet->write($resource_name_row,$cols_output++,$field,
1092: $format->{'bold'});
1093: }
1094: #
1095: # Add the remaining column headers
1096: my $total_formula_string = '=0';
1097: my $maximum_formula_string = '=0';
1098: foreach my $seq (@sequences) {
1099: my $symb = $seq->symb;
1100: $excel_sheet->write($sequence_name_row,,
1101: $cols_output,$seq->compTitle,$format->{'bold'});
1102: # Determine starting cell
1103: $formula_data{$symb}->{'Excel:startcell'}=
1104: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1105: ($first_data_row,$cols_output);
1106: $formula_data{$symb}->{'Excel:startcol'}=$cols_output;
1107: my $count = 0;
1108: if ($chosen_output->{'every_problem'}) {
1109: # Put the names of the problems and parts into the sheet
1110: foreach my $res (&get_resources($navmap,$seq)) {
1111: if (scalar(@{$res->parts}) > 1) {
1112: foreach my $part (@{$res->parts}) {
1113: $excel_sheet->write($resource_name_row,
1114: $cols_output++,
1115: $res->compTitle.' part '.$res->part_display($part),
1116: $format->{'bold'});
1117: $count++;
1118: }
1119: } else {
1120: $excel_sheet->write($resource_name_row,
1121: $cols_output++,
1122: $res->compTitle,$format->{'bold'});
1123: $count++;
1124: }
1125: }
1126: }
1127: # Determine ending cell
1128: if ($count <= 1) {
1129: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1130: $formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'};
1131: } else {
1132: $formula_data{$symb}->{'Excel:endcell'} =
1133: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1134: ($first_data_row,$cols_output-1);
1135: $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
1136: }
1137: # Create the formula for summing up this sequence
1138: if (! exists($formula_data{$symb}->{'Excel:endcell'}) ||
1139: ! defined($formula_data{$symb}->{'Excel:endcell'})) {
1140: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1141: }
1142: $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
1143: ('=SUM('.$formula_data{$symb}->{'Excel:startcell'}.
1144: ':'.$formula_data{$symb}->{'Excel:endcell'}.')');
1145: # Determine cell the score is held in
1146: $formula_data{$symb}->{'Excel:scorecell'} =
1147: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1148: ($first_data_row,$cols_output);
1149: $formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
1150: if ($chosen_output->{'base'} eq 'parts correct total') {
1151: $excel_sheet->write($resource_name_row,$cols_output++,
1152: 'parts correct',
1153: $format->{'bold'});
1154: } elsif ($chosen_output->{'sequence_sum'}) {
1155: if ($chosen_output->{'correct'}) {
1156: # Only reporting the number correct, so do not call it score
1157: $excel_sheet->write($resource_name_row,$cols_output++,
1158: 'sum',
1159: $format->{'bold'});
1160: } else {
1161: $excel_sheet->write($resource_name_row,$cols_output++,
1162: 'score',
1163: $format->{'bold'});
1164: }
1165: }
1166: #
1167: $total_formula_string.='+'.
1168: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1169: ($first_data_row,$cols_output-1);
1170: if ($chosen_output->{'sequence_max'}) {
1171: $excel_sheet->write($resource_name_row,$cols_output,
1172: 'maximum',
1173: $format->{'bold'});
1174: $formula_data{$symb}->{'Excel:maxcell'} =
1175: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1176: ($first_data_row,$cols_output);
1177: $formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
1178: $maximum_formula_string.='+'.
1179: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1180: ($first_data_row,$cols_output);
1181: $cols_output++;
1182:
1183: }
1184: }
1185: if ($chosen_output->{'grand_total'}) {
1186: $excel_sheet->write($resource_name_row,$cols_output++,'Total',
1187: $format->{'bold'});
1188: }
1189: if ($chosen_output->{'grand_maximum'}) {
1190: $excel_sheet->write($resource_name_row,$cols_output++,'Max. Total',
1191: $format->{'bold'});
1192: }
1193: $total_formula = $excel_sheet->store_formula($total_formula_string);
1194: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1195: ##############################################
1196: # Output a row for MAX, if appropriate
1197: ##############################################
1198: if ($chosen_output->{'maximum_row'}) {
1199: $cols_output = 0;
1200: foreach my $field (&get_student_fields_to_show()) {
1201: if ($field eq 'username' || $field eq 'fullname' ||
1202: $field eq 'id') {
1203: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1204: $format->{'bold'});
1205: } else {
1206: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1207: }
1208: }
1209: #
1210: # Add the maximums for each sequence or assessment
1211: my %total_cell_translation;
1212: my %maximum_cell_translation;
1213: foreach my $seq (@sequences) {
1214: my $symb = $seq->symb;
1215: $cols_output=$formula_data{$symb}->{'Excel:startcol'};
1216: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
1217: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1218: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
1219: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
1220: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1221: ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
1222: my $weight;
1223: my $max = 0;
1224: foreach my $resource (&get_resources($navmap,$seq)) {
1225: foreach my $part (@{$resource->parts}){
1226: $weight = 1;
1227: if ($chosen_output->{'scores'}) {
1228: $weight = &Apache::lonnet::EXT
1229: ('resource.'.$part.'.weight',$resource->{'symb'},
1230: undef,undef,undef);
1231: if (!defined($weight) || ($weight eq '')) {
1232: $weight=1;
1233: }
1234: }
1235: if ($chosen_output->{'scores'} &&
1236: $chosen_output->{'every_problem'}) {
1237: $excel_sheet->write($maximum_data_row,$cols_output++,
1238: $weight);
1239: }
1240: $max += $weight;
1241: }
1242: }
1243: #
1244: if ($chosen_output->{'sequence_sum'} &&
1245: $chosen_output->{'every_problem'}) {
1246: my %replaceCells=
1247: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
1248: $formula_data{$symb}->{'Excel:endcell'}.'$' =>
1249: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
1250: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
1251: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1252: $formula_data{$symb}->{'Excel:sum'},undef,
1253: %replaceCells);
1254:
1255: } elsif ($chosen_output->{'sequence_sum'}) {
1256: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1257: }
1258: if ($chosen_output->{'sequence_max'}) {
1259: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1260: }
1261: #
1262: }
1263: if ($chosen_output->{'grand_total'}) {
1264: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1265: $total_formula,undef,
1266: %total_cell_translation);
1267: }
1268: if ($chosen_output->{'grand_maximum'}) {
1269: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1270: $maximum_formula,undef,
1271: %maximum_cell_translation);
1272: }
1273: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1274: $rows_output = $first_data_row;
1275: ##############################################
1276: # Output summary table, which actually is above the sequence name row.
1277: ##############################################
1278: if ($chosen_output->{'summary_table'}) {
1279: $cols_output = 0;
1280: $excel_sheet->write($summary_header_row,$cols_output++,
1281: 'Summary Table',$format->{'bold'});
1282: if ($chosen_output->{'maximum_row'}) {
1283: $excel_sheet->write($summary_header_row,$cols_output++,
1284: 'Maximum',$format->{'bold'});
1285: }
1286: $excel_sheet->write($summary_header_row,$cols_output++,
1287: 'Average',$format->{'bold'});
1288: $excel_sheet->write($summary_header_row,$cols_output++,
1289: 'Median',$format->{'bold'});
1290: $excel_sheet->write($summary_header_row,$cols_output++,
1291: 'Std Dev',$format->{'bold'});
1292: my $row = $summary_header_row+1;
1293: foreach my $seq (@sequences) {
1294: my $symb = $seq->symb;
1295: $cols_output = 0;
1296: $excel_sheet->write($row,$cols_output++,
1297: $seq->compTitle,
1298: $format->{'bold'});
1299: if ($chosen_output->{'maximum_row'}) {
1300: $excel_sheet->write
1301: ($row,$cols_output++,
1302: '='.
1303: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1304: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
1305: );
1306: }
1307: my $range =
1308: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1309: ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
1310: ':'.
1311: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1312: ($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
1313: $excel_sheet->write($row,$cols_output++,
1314: '=AVERAGE('.$range.')');
1315: $excel_sheet->write($row,$cols_output++,
1316: '=MEDIAN('.$range.')');
1317: $excel_sheet->write($row,$cols_output++,
1318: '=STDEV('.$range.')');
1319: $row++;
1320: }
1321: }
1322: ##############################################
1323: # Take care of non-excel initialization
1324: ##############################################
1325: #
1326: # Let the user know what we are doing
1327: my $studentcount = scalar(@Apache::lonstatistics::Students);
1328: if ($ENV{'form.SelectedStudent'}) {
1329: $studentcount = '1';
1330: }
1331: if ($studentcount > 1) {
1332: $r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students',
1333: $studentcount)."</h1>\n");
1334: } else {
1335: $r->print('<h1>'.
1336: &mt('Compiling Excel spreadsheet for 1 student').
1337: "</h1>\n");
1338: }
1339: $r->rflush();
1340: #
1341: # Initialize progress window
1342: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1343: ($r,'Excel File Compilation Status',
1344: 'Excel File Compilation Progress', $studentcount,
1345: 'inline',undef,'Statistics','stats_status');
1346: #
1347: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1348: 'Processing first student');
1349: return;
1350: }
1351:
1352: sub excel_outputstudent {
1353: my ($r,$student) = @_;
1354: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1355: return;
1356: }
1357: $cols_output=0;
1358: #
1359: # Write out student data
1360: my @to_show = &get_student_fields_to_show();
1361: foreach my $field (@to_show) {
1362: my $value = $student->{$field};
1363: if ($field eq 'comments') {
1364: $value = &Apache::lonmsg::retrieve_instructor_comments
1365: ($student->{'username'},$student->{'domain'});
1366: }
1367: $excel_sheet->write($rows_output,$cols_output++,$value);
1368: }
1369: #
1370: # Get student assessment data
1371: my %StudentsData;
1372: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1373: $student->{'domain'},
1374: undef,
1375: $ENV{'request.course.id'});
1376: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1377: %StudentsData = @tmp;
1378: }
1379: #
1380: # Write out sequence scores and totals data
1381: my %total_cell_translation;
1382: my %maximum_cell_translation;
1383: foreach my $seq (@sequences) {
1384: my $symb = $seq->symb;
1385: $cols_output = $formula_data{$symb}->{'Excel:startcol'};
1386: # Keep track of cells to translate in total cell
1387: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
1388: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1389: ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
1390: # and maximum cell
1391: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
1392: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1393: ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
1394: #
1395: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1396: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1397: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1398: &student_tries_on_sequence($student,\%StudentsData,
1399: $navmap,$seq,'no');
1400: } else {
1401: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1402: &student_performance_on_sequence($student,\%StudentsData,
1403: $navmap,$seq,'no');
1404: }
1405: if ($chosen_output->{'every_problem'}) {
1406: if ($chosen_output->{'correct'}) {
1407: # only indiciate if each item is correct or not
1408: foreach my $value (@$rawdata) {
1409: # nonzero means correct
1410: $value = 1 if ($value > 0);
1411: $excel_sheet->write($rows_output,$cols_output++,$value);
1412: }
1413: } else {
1414: foreach my $value (@$rawdata) {
1415: if ($score eq ' ' || !defined($value)) {
1416: $cols_output++;
1417: } else {
1418: $excel_sheet->write($rows_output,$cols_output++,
1419: $value);
1420: }
1421: }
1422: }
1423: }
1424: if ($chosen_output->{'sequence_sum'} &&
1425: $chosen_output->{'every_problem'}) {
1426: # Write a formula for the sum of this sequence
1427: my %replaceCells=
1428: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
1429: =>
1430: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
1431: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
1432: );
1433: # The undef is for the format
1434: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1435: $formula_data{$symb}->{'Excel:sum'},undef,
1436: %replaceCells);
1437: } elsif ($chosen_output->{'sequence_sum'}) {
1438: if ($score eq ' ') {
1439: $cols_output++;
1440: } else {
1441: $excel_sheet->write($rows_output,$cols_output++,$score);
1442: }
1443: }
1444: if ($chosen_output->{'sequence_max'}) {
1445: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1446: }
1447: }
1448: #
1449: if ($chosen_output->{'grand_total'}) {
1450: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1451: $total_formula,undef,
1452: %total_cell_translation);
1453: }
1454: if ($chosen_output->{'grand_maximum'}) {
1455: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1456: $maximum_formula,undef,
1457: %maximum_cell_translation);
1458: }
1459: #
1460: # Bookkeeping
1461: $rows_output++;
1462: $cols_output=0;
1463: #
1464: # Update the progress window
1465: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1466: return;
1467: }
1468:
1469: sub excel_finish {
1470: my ($r) = @_;
1471: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1472: return;
1473: }
1474: #
1475: # Write the excel file
1476: $excel_workbook->close();
1477: my $c = $r->connection();
1478: #
1479: return if($c->aborted());
1480: #
1481: # Close the progress window
1482: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1483: #
1484: # Tell the user where to get their excel file
1485: $r->print('<br />'.
1486: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1487: $r->rflush();
1488: return;
1489: }
1490:
1491: }
1492: #######################################################
1493: #######################################################
1494:
1495: =pod
1496:
1497: =head2 CSV output routines
1498:
1499: =item &csv_initialize($r)
1500:
1501: =item &csv_outputstudent($r,$student)
1502:
1503: =item &csv_finish($r)
1504:
1505: =cut
1506:
1507: #######################################################
1508: #######################################################
1509: {
1510:
1511: my $outputfile;
1512: my $filename;
1513: my $request_aborted;
1514: my %prog_state; # progress window state
1515: my $navmap;
1516: my @sequences;
1517:
1518: sub csv_initialize{
1519: my ($r) = @_;
1520: #
1521: # Clean up
1522: undef($outputfile);
1523: undef($filename);
1524: undef($request_aborted);
1525: undef(%prog_state);
1526: #
1527: undef($navmap);
1528: undef(@sequences);
1529: ($navmap,@sequences) =
1530: &Apache::lonstatistics::selected_sequences_with_assessments();
1531: if (! ref($navmap)) {
1532: # Unable to get data, so bail out
1533: $r->print("<h3>".
1534: &mt('Unable to retrieve course information.').
1535: '</h3>');
1536: }
1537: #
1538: # Deal with unimplemented requests
1539: $request_aborted = undef;
1540: if ($chosen_output->{'base'} =~ /final table/) {
1541: $r->print(<<END);
1542: <h2>Unable to Complete Request</h2>
1543: <p>
1544: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1545: </p>
1546: END
1547: $request_aborted = 1;
1548: }
1549: return if ($request_aborted);
1550: #
1551: # Initialize progress window
1552: my $studentcount = scalar(@Apache::lonstatistics::Students);
1553: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1554: ($r,'CSV File Compilation Status',
1555: 'CSV File Compilation Progress', $studentcount,
1556: 'inline',undef,'Statistics','stats_status');
1557: #
1558: # Open a file
1559: $filename = '/prtspool/'.
1560: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1561: time.'_'.rand(1000000000).'.csv';
1562: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
1563: $r->log_error("Couldn't open $filename for output $!");
1564: $r->print("Problems occured in writing the csv file. ".
1565: "This error has been logged. ".
1566: "Please alert your LON-CAPA administrator.");
1567: $outputfile = undef;
1568: }
1569: #
1570: # Datestamp
1571: my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1572: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1573: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1574: "\n";
1575: foreach my $item ('shortdesc','non_html_notes') {
1576: next if (! exists($chosen_output->{$item}));
1577: print $outputfile
1578: '"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'.
1579: "\n";
1580: }
1581: #
1582: # Print out the headings
1583: my $sequence_row = '';
1584: my $resource_row = undef;
1585: foreach my $field (&get_student_fields_to_show()) {
1586: $sequence_row .='"",';
1587: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1588: }
1589: foreach my $seq (@sequences) {
1590: $sequence_row .= '"'.
1591: &Apache::loncommon::csv_translate($seq->compTitle).'",';
1592: my $count = 0;
1593: if ($chosen_output->{'every_problem'}) {
1594: foreach my $res (&get_resources($navmap,$seq)) {
1595: if (scalar(@{$res->parts}) < 1) {
1596: next;
1597: }
1598: foreach my $part (@{$res->parts}) {
1599: $resource_row .= '"'.
1600: &Apache::loncommon::csv_translate
1601: ($res->compTitle.', Part '.$res->part_display($part)).'",';
1602: $count++;
1603: }
1604: }
1605: }
1606: $sequence_row.='"",'x$count;
1607: if ($chosen_output->{'sequence_sum'}) {
1608: if($chosen_output->{'correct'}) {
1609: $resource_row .= '"sum",';
1610: } else {
1611: $resource_row .= '"score",';
1612: }
1613: }
1614: if ($chosen_output->{'sequence_max'}) {
1615: $sequence_row.= '"",';
1616: $resource_row .= '"maximum possible",';
1617: }
1618: }
1619: if ($chosen_output->{'grand_total'}) {
1620: $sequence_row.= '"",';
1621: $resource_row.= '"Total",';
1622: }
1623: if ($chosen_output->{'grand_maximum'}) {
1624: $sequence_row.= '"",';
1625: $resource_row.= '"Maximum",';
1626: }
1627: chomp($sequence_row);
1628: chomp($resource_row);
1629: print $outputfile $sequence_row."\n";
1630: print $outputfile $resource_row."\n";
1631: return;
1632: }
1633:
1634: sub csv_outputstudent {
1635: my ($r,$student) = @_;
1636: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1637: return;
1638: }
1639: my $Str = '';
1640: #
1641: # Output student fields
1642: my @to_show = &get_student_fields_to_show();
1643: foreach my $field (@to_show) {
1644: my $value = $student->{$field};
1645: if ($field eq 'comments') {
1646: $value = &Apache::lonmsg::retrieve_instructor_comments
1647: ($student->{'username'},$student->{'domain'});
1648: }
1649: $Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
1650: }
1651: #
1652: # Get student assessment data
1653: my %StudentsData;
1654: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1655: $student->{'domain'},
1656: undef,
1657: $ENV{'request.course.id'});
1658: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1659: %StudentsData = @tmp;
1660: }
1661: #
1662: # Output performance data
1663: my $total = 0;
1664: my $maximum = 0;
1665: foreach my $seq (@sequences) {
1666: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1667: if ($chosen_output->{'tries'}){
1668: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1669: &student_tries_on_sequence($student,\%StudentsData,
1670: $navmap,$seq,'no');
1671: } else {
1672: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1673: &student_performance_on_sequence($student,\%StudentsData,
1674: $navmap,$seq,'no');
1675: }
1676: if ($chosen_output->{'every_problem'}) {
1677: if ($chosen_output->{'correct'}) {
1678: $score = 0;
1679: # Deal with number of parts correct data
1680: $Str .= '"'.join('","',( map { if ($_>0) {
1681: $score += 1;
1682: 1;
1683: } else {
1684: 0;
1685: }
1686: } @$rawdata)).'",';
1687: } else {
1688: $Str .= '"'.join('","',(@$rawdata)).'",';
1689: }
1690: }
1691: if ($chosen_output->{'sequence_sum'}) {
1692: $Str .= '"'.$score.'",';
1693: }
1694: if ($chosen_output->{'sequence_max'}) {
1695: $Str .= '"'.$seq_max.'",';
1696: }
1697: $total+=$score;
1698: $maximum += $seq_max;
1699: }
1700: if ($chosen_output->{'grand_total'}) {
1701: $Str .= '"'.$total.'",';
1702: }
1703: if ($chosen_output->{'grand_maximum'}) {
1704: $Str .= '"'.$maximum.'",';
1705: }
1706: chop($Str);
1707: $Str .= "\n";
1708: print $outputfile $Str;
1709: #
1710: # Update the progress window
1711: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1712: return;
1713: }
1714:
1715: sub csv_finish {
1716: my ($r) = @_;
1717: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1718: return;
1719: }
1720: close($outputfile);
1721: #
1722: my $c = $r->connection();
1723: return if ($c->aborted());
1724: #
1725: # Close the progress window
1726: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1727: #
1728: # Tell the user where to get their csv file
1729: $r->print('<br />'.
1730: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
1731: $r->rflush();
1732: return;
1733:
1734: }
1735:
1736: }
1737:
1738: #######################################################
1739: #######################################################
1740:
1741: =pod
1742:
1743: =item &StudentTriesOnSequence()
1744:
1745: Inputs:
1746:
1747: =over 4
1748:
1749: =item $student
1750:
1751: =item $studentdata Hash ref to all student data
1752:
1753: =item $seq Hash ref, the sequence we are working on
1754:
1755: =item $links if defined we will output links to each resource.
1756:
1757: =back
1758:
1759: =cut
1760:
1761: #######################################################
1762: #######################################################
1763: sub student_tries_on_sequence {
1764: my ($student,$studentdata,$navmap,$seq,$links) = @_;
1765: $links = 'no' if (! defined($links));
1766: my $Str = '';
1767: my ($sum,$max) = (0,0);
1768: my $performance_length = 0;
1769: my @TriesData = ();
1770: my $tries;
1771: my $hasdata = 0; # flag - true if the student has any data on the sequence
1772: foreach my $resource (&get_resources($navmap,$seq)) {
1773: my $resource_data = $studentdata->{$resource->symb};
1774: my $value = '';
1775: foreach my $partnum (@{$resource->parts()}) {
1776: $tries = undef;
1777: $max++;
1778: $performance_length++;
1779: my $symbol = ' '; # default to space
1780: #
1781: my $awarded = 0;
1782: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1783: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1784: $awarded = 0 if (! $awarded);
1785: }
1786: #
1787: my $status = '';
1788: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1789: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1790: }
1791: #
1792: my $tries = 0;
1793: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1794: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1795: $hasdata =1;
1796: }
1797: #
1798: if ($awarded > 0) {
1799: # The student has gotten the problem correct to some degree
1800: if ($status eq 'excused') {
1801: $symbol = 'x';
1802: $max--;
1803: } elsif ($status eq 'correct_by_override') {
1804: $symbol = '+';
1805: $sum++;
1806: } elsif ($tries > 0) {
1807: if ($tries > 9) {
1808: $symbol = '*';
1809: } else {
1810: $symbol = $tries;
1811: }
1812: $sum++;
1813: } else {
1814: $symbol = '+';
1815: $sum++;
1816: }
1817: } else {
1818: # The student has the problem incorrect or it is ungraded
1819: if ($status eq 'excused') {
1820: $symbol = 'x';
1821: $max--;
1822: } elsif ($status eq 'incorrect_by_override') {
1823: $symbol = '-';
1824: } elsif ($status eq 'ungraded_attempted') {
1825: $symbol = '#';
1826: } elsif ($status eq 'incorrect_attempted' ||
1827: $tries > 0) {
1828: $symbol = '.';
1829: } else {
1830: # Problem is wrong and has not been attempted.
1831: $symbol=' ';
1832: }
1833: }
1834: #
1835: if (! defined($tries)) {
1836: $tries = 0;
1837: }
1838: if ($status =~ /^(incorrect|ungraded)/) {
1839: # Bug 3390: show '-' for tries on incorrect problems
1840: # (csv & excel only)
1841: push(@TriesData,-$tries);
1842: } else {
1843: push (@TriesData,$tries);
1844: }
1845: #
1846: if ( ($links eq 'yes' && $symbol ne ' ') ||
1847: ($links eq 'all')) {
1848: if (length($symbol) > 1) {
1849: &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
1850: }
1851: $symbol = '<a href="/adm/grades'.
1852: '?symb='.&Apache::lonnet::escape($resource->symb).
1853: '&student='.$student->{'username'}.
1854: '&userdom='.$student->{'domain'}.
1855: '&command=submission">'.$symbol.'</a>';
1856: }
1857: $value .= $symbol;
1858: }
1859: $Str .= $value;
1860: }
1861: if ($seq->randompick()) {
1862: $max = $seq->randompick();
1863: }
1864: if (! $hasdata && $sum == 0) {
1865: $sum = ' ';
1866: }
1867: return ($Str,$performance_length,$sum,$max,\@TriesData);
1868: }
1869:
1870: #######################################################
1871: #######################################################
1872:
1873: =pod
1874:
1875: =item &student_performance_on_sequence
1876:
1877: Inputs:
1878:
1879: =over 4
1880:
1881: =item $student
1882:
1883: =item $studentdata Hash ref to all student data
1884:
1885: =item $seq Hash ref, the sequence we are working on
1886:
1887: =item $links if defined we will output links to each resource.
1888:
1889: =back
1890:
1891: =cut
1892:
1893: #######################################################
1894: #######################################################
1895: sub student_performance_on_sequence {
1896: my ($student,$studentdata,$navmap,$seq,$links) = @_;
1897: $links = 'no' if (! defined($links));
1898: my $Str = ''; # final result string
1899: my ($score,$max) = (0,0);
1900: my $performance_length = 0;
1901: my $symbol;
1902: my @ScoreData = ();
1903: my $partscore;
1904: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
1905: foreach my $resource (&get_resources($navmap,$seq)) {
1906: my $symb = $resource->symb;
1907: my $resource_data = $studentdata->{$symb};
1908: foreach my $part (@{$resource->parts()}) {
1909: $partscore = undef;
1910: my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
1911: $symb,
1912: $student->{'domain'},
1913: $student->{'username'},
1914: $student->{'section'});
1915: if (!defined($weight) || ($weight eq '')) {
1916: $weight=1;
1917: }
1918: #
1919: $max += $weight; # see the 'excused' branch below...
1920: $performance_length++; # one character per part
1921: $symbol = ' '; # default to space
1922: #
1923: my $awarded;
1924: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
1925: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1926: $awarded = 0 if (! $awarded);
1927: $hasdata = 1;
1928: }
1929: #
1930: $partscore = $weight*$awarded;
1931: if (! defined($awarded)) {
1932: $partscore = undef;
1933: }
1934: $score += $partscore;
1935: $symbol = $partscore;
1936: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
1937: $symbol = sprintf("%.0f",$symbol);
1938: }
1939: if (length($symbol) > 1) {
1940: $symbol = '*';
1941: }
1942: if (exists($resource_data->{'resource.'.$part.'.solved'})) {
1943: my $status = $resource_data->{'resource.'.$part.'.solved'};
1944: if ($status eq 'excused') {
1945: $symbol = 'x';
1946: $max -= $weight; # Do not count 'excused' problems.
1947: }
1948: $hasdata = 1;
1949: } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
1950: # Unsolved. Did they try?
1951: if (exists($resource_data->{'resource.'.$part.'.tries'})){
1952: $symbol = '.';
1953: $hasdata = 1;
1954: } else {
1955: $symbol = ' ';
1956: }
1957: }
1958: #
1959: if (! defined($partscore)) {
1960: $partscore = $symbol;
1961: }
1962: push (@ScoreData,$partscore);
1963: #
1964: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1965: $symbol = '<a href="/adm/grades'.
1966: '?symb='.&Apache::lonnet::escape($symb).
1967: '&student='.$student->{'username'}.
1968: '&userdom='.$student->{'domain'}.
1969: '&command=submission">'.$symbol.'</a>';
1970: }
1971: $Str .= $symbol;
1972: }
1973: }
1974: if (! $hasdata && $score == 0) {
1975: $score = ' ';
1976: }
1977: return ($Str,$performance_length,$score,$max,\@ScoreData);
1978: }
1979:
1980: #######################################################
1981: #######################################################
1982:
1983: =pod
1984:
1985: =item &CreateLegend()
1986:
1987: This function returns a formatted string containing the legend for the
1988: chart. The legend describes the symbols used to represent grades for
1989: problems.
1990:
1991: =cut
1992:
1993: #######################################################
1994: #######################################################
1995: sub CreateLegend {
1996: my $Str = "<p><pre>".
1997: " 1 correct by student in 1 try\n".
1998: " 7 correct by student in 7 tries\n".
1999: " * correct by student in more than 9 tries\n".
2000: " + correct by hand grading or override\n".
2001: " - incorrect by override\n".
2002: " . incorrect attempted\n".
2003: " # ungraded attempted\n".
2004: " not attempted (blank field)\n".
2005: " x excused".
2006: "</pre><p>";
2007: return $Str;
2008: }
2009:
2010: #######################################################
2011: #######################################################
2012:
2013: =pod
2014:
2015: =back
2016:
2017: =cut
2018:
2019: #######################################################
2020: #######################################################
2021:
2022: 1;
2023:
2024: __END__
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