1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.102 2004/07/13 15:03:34 matthew Exp $
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
26: # (Navigate problems for statistical reports
27: #
28: #######################################################
29: #######################################################
30:
31: =pod
32:
33: =head1 NAME
34:
35: lonstudentassessment
36:
37: =head1 SYNOPSIS
38:
39: Presents assessment data about a student or a group of students.
40:
41: =head1 Subroutines
42:
43: =over 4
44:
45: =cut
46:
47: #######################################################
48: #######################################################
49:
50: package Apache::lonstudentassessment;
51:
52: use strict;
53: use Apache::lonstatistics;
54: use Apache::lonhtmlcommon;
55: use Apache::loncommon();
56: use Apache::loncoursedata;
57: use Apache::lonnet; # for logging porpoises
58: use Apache::lonlocal;
59: use Spreadsheet::WriteExcel;
60: use Spreadsheet::WriteExcel::Utility();
61:
62: #######################################################
63: #######################################################
64: =pod
65:
66: =item Package Variables
67:
68: =over 4
69:
70: =item $Statistics Hash ref to store student data. Indexed by symb,
71: contains hashes with keys 'score' and 'max'.
72:
73: =cut
74:
75: #######################################################
76: #######################################################
77:
78: my $Statistics;
79:
80: #######################################################
81: #######################################################
82:
83: =pod
84:
85: =item $show_links 'yes' or 'no' for linking to student performance data
86:
87: =item $output_mode 'html', 'excel', or 'csv' for output mode
88:
89: =item $show 'all', 'totals', or 'scores' determines how much data is output
90:
91: =item $single_student_mode evaluates to true if we are showing only one
92: student.
93:
94: =cut
95:
96: #######################################################
97: #######################################################
98: my $show_links;
99: my $output_mode;
100: my $chosen_output;
101: my $single_student_mode;
102:
103: #######################################################
104: #######################################################
105: # End of package variable declarations
106:
107: =pod
108:
109: =back
110:
111: =cut
112:
113: #######################################################
114: #######################################################
115:
116: =pod
117:
118: =item &BuildStudentAssessmentPage()
119:
120: Inputs:
121:
122: =over 4
123:
124: =item $r Apache Request
125:
126: =item $c Apache Connection
127:
128: =back
129:
130: =cut
131:
132: #######################################################
133: #######################################################
134: sub BuildStudentAssessmentPage {
135: my ($r,$c)=@_;
136: #
137: undef($Statistics);
138: undef($show_links);
139: undef($output_mode);
140: undef($chosen_output);
141: undef($single_student_mode);
142: #
143: my %Saveable_Parameters = ('Status' => 'scalar',
144: 'chartoutputmode' => 'scalar',
145: 'chartoutputdata' => 'scalar',
146: 'Section' => 'array',
147: 'StudentData' => 'array',
148: 'Maps' => 'array');
149: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
150: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
151: #
152: &Apache::lonstatistics::PrepareClasslist();
153: #
154: $single_student_mode = 0;
155: $single_student_mode = 1 if ($ENV{'form.SelectedStudent'});
156: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
157: ['selectstudent']);
158: if ($ENV{'form.selectstudent'}) {
159: &Apache::lonstatistics::DisplayClasslist($r);
160: return;
161: }
162: #
163: # Print out the HTML headers for the interface
164: # This also parses the output mode selector
165: # This step must *always* be done.
166: $r->print(&CreateInterface());
167: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
168: $r->print('<input type="hidden" name="sort" value="'.
169: $ENV{'form.sort'}.'" />');
170: $r->rflush();
171: #
172: if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {
173: return;
174: }
175: #
176: my $initialize = \&html_initialize;
177: my $output_student = \&html_outputstudent;
178: my $finish = \&html_finish;
179: #
180: if ($output_mode eq 'excel') {
181: $initialize = \&excel_initialize;
182: $output_student = \&excel_outputstudent;
183: $finish = \&excel_finish;
184: } elsif ($output_mode eq 'csv') {
185: $initialize = \&csv_initialize;
186: $output_student = \&csv_outputstudent;
187: $finish = \&csv_finish;
188: }
189: #
190: if($c->aborted()) { return ; }
191: #
192: # Determine which students we want to look at
193: my @Students;
194: if ($single_student_mode) {
195: @Students = (&Apache::lonstatistics::current_student());
196: $r->print(&next_and_previous_buttons());
197: $r->rflush();
198: } else {
199: @Students = @Apache::lonstatistics::Students;
200: }
201: #
202: # Perform generic initialization tasks
203: # Since we use lonnet::EXT to retrieve problem weights,
204: # to ensure current data we must clear the caches out.
205: # This makes sure that parameter changes at the student level
206: # are immediately reflected in the chart.
207: &Apache::lonnet::clear_EXT_cache_status();
208: #
209: # Clean out loncoursedata's package data, just to be safe.
210: &Apache::loncoursedata::clear_internal_caches();
211: #
212: # Call the initialize routine selected above
213: $initialize->($r);
214: foreach my $student (@Students) {
215: if($c->aborted()) {
216: $finish->($r);
217: return ;
218: }
219: # Call the output_student routine selected above
220: $output_student->($r,$student);
221: }
222: # Call the "finish" routine selected above
223: $finish->($r);
224: #
225: return;
226: }
227:
228: #######################################################
229: #######################################################
230: sub next_and_previous_buttons {
231: my $Str = '';
232: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
233: $ENV{'form.SelectedStudent'}.'" />';
234: #
235: # Build the previous student link
236: my $previous = &Apache::lonstatistics::previous_student();
237: my $previousbutton = '';
238: if (defined($previous)) {
239: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
240: $previousbutton .= '<input type="button" value="'.
241: 'Previous Student ('.
242: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
243: '" onclick="document.Statistics.SelectedStudent.value='.
244: "'".$sname."'".';'.
245: 'document.Statistics.submit();" />';
246: } else {
247: $previousbutton .= '<input type="button" value="'.
248: 'Previous student (none)'.'" />';
249: }
250: #
251: # Build the next student link
252: my $next = &Apache::lonstatistics::next_student();
253: my $nextbutton = '';
254: if (defined($next)) {
255: my $sname = $next->{'username'}.':'.$next->{'domain'};
256: $nextbutton .= '<input type="button" value="'.
257: 'Next Student ('.
258: $next->{'username'}.'@'.$next->{'domain'}.')'.
259: '" onclick="document.Statistics.SelectedStudent.value='.
260: "'".$sname."'".';'.
261: 'document.Statistics.submit();" />';
262: } else {
263: $nextbutton .= '<input type="button" value="'.
264: 'Next student (none)'.'" />';
265: }
266: #
267: # Build the 'all students' button
268: my $all = '';
269: $all .= '<input type="button" value="All Students" '.
270: '" onclick="document.Statistics.SelectedStudent.value='.
271: "''".';'.'document.Statistics.submit();" />';
272: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
273: return $Str;
274: }
275:
276: #######################################################
277: #######################################################
278:
279: sub get_student_fields_to_show {
280: my @to_show = @Apache::lonstatistics::SelectedStudentData;
281: foreach (@to_show) {
282: if ($_ eq 'all') {
283: @to_show = @Apache::lonstatistics::StudentDataOrder;
284: last;
285: }
286: }
287: return @to_show;
288: }
289:
290: #######################################################
291: #######################################################
292:
293: =pod
294:
295: =item &CreateInterface()
296:
297: Called by &BuildStudentAssessmentPage to create the top part of the
298: page which displays the chart.
299:
300: Inputs: None
301:
302: Returns: A string containing the HTML for the headers and top table for
303: the chart page.
304:
305: =cut
306:
307: #######################################################
308: #######################################################
309: sub CreateInterface {
310: my $Str = '';
311: $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Chart');
312: # $Str .= &CreateLegend();
313: $Str .= '<table cellspacing="5">'."\n";
314: $Str .= '<tr>';
315: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
316: $Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';
317: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
318: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
319: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
320: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
321: '</td>';
322: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
323: &Apache::loncommon::help_open_topic("Chart_Output_Data").
324: '</td>';
325: $Str .= '</tr>'."\n";
326: #
327: $Str .= '<tr><td align="center">'."\n";
328: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
329: $Str .= '</td><td align="center">';
330: my $only_seq_with_assessments = sub {
331: my $s=shift;
332: if ($s->{'num_assess'} < 1) {
333: return 0;
334: } else {
335: return 1;
336: }
337: };
338: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
339: 5,undef);
340: $Str .= '</td><td>'."\n";
341: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
342: $Str .= '</td><td>'."\n";
343: $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
344: $only_seq_with_assessments);
345: $Str .= '</td><td>'."\n";
346: $Str .= &CreateAndParseOutputSelector();
347: $Str .= '</td><td>'."\n";
348: $Str .= &CreateAndParseOutputDataSelector();
349: $Str .= '</td></tr>'."\n";
350: $Str .= '</table>'."\n";
351: $Str .= '<input type="submit" name="Generate Chart" value="'.
352: &mt('Generate Chart').'" />';
353: $Str .= ' 'x5;
354: $Str .= '<input type="submit" name="selectstudent" value="'.
355: &mt('Select One Student').'" />';
356: $Str .= ' 'x5;
357: $Str .= '<input type="submit" name="ClearCache" value="'.
358: &mt('Clear Caches').'" />';
359: $Str .= ' 'x5;
360: $Str .= '<br />';
361: return $Str;
362: }
363:
364: #######################################################
365: #######################################################
366:
367: =pod
368:
369: =item &CreateAndParseOutputSelector()
370:
371: =cut
372:
373: #######################################################
374: #######################################################
375: my @OutputOptions =
376: ({ name => 'HTML, with links',
377: value => 'html, with links',
378: description => 'Output HTML with each symbol linked to the problem '.
379: 'which generated it.',
380: mode => 'html',
381: show_links => 'yes',
382: },
383: { name => 'HTML, with all links',
384: value => 'html, with all links',
385: description => 'Output HTML with each symbol linked to the problem '.
386: 'which generated it. '.
387: 'This includes links for unattempted problems.',
388: mode => 'html',
389: show_links => 'all',
390: },
391: { name => 'HTML, without links',
392: value => 'html, without links',
393: description => 'Output HTML. By not including links, the size of the'.
394: ' web page is greatly reduced. If your browser crashes on the '.
395: 'full display, try this.',
396: mode => 'html',
397: show_links => 'no',
398: },
399: { name => 'Excel',
400: value => 'excel',
401: description => 'Output an Excel file (compatable with Excel 95).',
402: mode => 'excel',
403: show_links => 'no',
404: },
405: { name => 'CSV',
406: value => 'csv',
407: description => 'Output a comma separated values file suitable for '.
408: 'import into a spreadsheet program. Using this method as opposed '.
409: 'to Excel output allows you to organize your data before importing'.
410: ' it into a spreadsheet program.',
411: mode => 'csv',
412: show_links => 'no',
413: },
414: );
415:
416: sub OutputDescriptions {
417: my $Str = '';
418: $Str .= "<h2>Output Formats</h2>\n";
419: $Str .= "<dl>\n";
420: foreach my $outputmode (@OutputOptions) {
421: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
422: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
423: }
424: $Str .= "</dl>\n";
425: return $Str;
426: }
427:
428: sub CreateAndParseOutputSelector {
429: my $Str = '';
430: my $elementname = 'chartoutputmode';
431: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
432: [$elementname]);
433: #
434: # Format for output options is 'mode, restrictions';
435: my $selected = 'html, without links';
436: if (exists($ENV{'form.'.$elementname})) {
437: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
438: $selected = $ENV{'form.'.$elementname}->[0];
439: } else {
440: $selected = $ENV{'form.'.$elementname};
441: }
442: }
443: #
444: # Set package variables describing output mode
445: $show_links = 'no';
446: $output_mode = 'html';
447: foreach my $option (@OutputOptions) {
448: next if ($option->{'value'} ne $selected);
449: $output_mode = $option->{'mode'};
450: $show_links = $option->{'show_links'};
451: }
452:
453: #
454: # Build the form element
455: $Str = qq/<select size="5" name="$elementname">/;
456: foreach my $option (@OutputOptions) {
457: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
458: $Str .= " selected " if ($option->{'value'} eq $selected);
459: $Str .= ">".&mt($option->{'name'})."<\/option>";
460: }
461: $Str .= "\n</select>";
462: return $Str;
463: }
464:
465: ##
466: ## Data selector stuff
467: ##
468: my @OutputDataOptions =
469: (
470: { name => 'Scores Summary',
471: base => 'scores',
472: value => 'sum and total',
473: scores => 1,
474: tries => 0,
475: every_problem => 0,
476: sequence_sum => 1,
477: sequence_max => 1,
478: grand_total => 1,
479: grand_maximum => 1,
480: summary_table => 1,
481: maximum_row => 1,
482: shortdesc => 'Total Score and Maximum Possible for each '.
483: 'Sequence or Folder',
484: longdesc => 'The score of each student as well as the '.
485: ' maximum possible on each Sequence or Folder.',
486: },
487: { name => 'Scores Per Problem',
488: base => 'scores',
489: value => 'scores',
490: scores => 1,
491: tries => 0,
492: correct => 0,
493: every_problem => 1,
494: sequence_sum => 1,
495: sequence_max => 1,
496: grand_total => 1,
497: grand_maximum => 1,
498: summary_table => 1,
499: maximum_row => 1,
500: shortdesc => 'Score on each Problem Part',
501: longdesc =>'The students score on each problem part, computed as'.
502: 'the part weight * part awarded',
503: },
504: { name =>'Tries',
505: base =>'tries',
506: value => 'tries',
507: scores => 0,
508: tries => 1,
509: correct => 0,
510: every_problem => 1,
511: sequence_sum => 0,
512: sequence_max => 0,
513: grand_total => 0,
514: grand_maximum => 0,
515: summary_table => 0,
516: maximum_row => 0,
517: shortdesc => 'Number of Tries before success on each Problem Part',
518: longdesc =>'The number of tries before success on each problem part.',
519: },
520: { name =>'Parts Correct',
521: base =>'tries',
522: value => 'parts correct total',
523: scores => 0,
524: tries => 0,
525: correct => 1,
526: every_problem => 1,
527: sequence_sum => 1,
528: sequence_max => 1,
529: grand_total => 1,
530: grand_maximum => 1,
531: summary_table => 1,
532: maximum_row => 0,
533: shortdesc => 'Number of Problem Parts completed successfully.',
534: longdesc => 'The Number of Problem Parts completed successfully and '.
535: 'the maximum possible for each student',
536: },
537: );
538:
539: sub HTMLifyOutputDataDescriptions {
540: my $Str = '';
541: $Str .= "<h2>Output Data</h2>\n";
542: $Str .= "<dl>\n";
543: foreach my $option (@OutputDataOptions) {
544: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
545: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
546: }
547: $Str .= "</dl>\n";
548: return $Str;
549: }
550:
551: sub CreateAndParseOutputDataSelector {
552: my $Str = '';
553: my $elementname = 'chartoutputdata';
554: #
555: my $selected = 'scores';
556: if (exists($ENV{'form.'.$elementname})) {
557: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
558: $selected = $ENV{'form.'.$elementname}->[0];
559: } else {
560: $selected = $ENV{'form.'.$elementname};
561: }
562: }
563: #
564: $chosen_output = $OutputDataOptions[0];
565: foreach my $option (@OutputDataOptions) {
566: if ($option->{'value'} eq $selected) {
567: $chosen_output = $option;
568: }
569: }
570: #
571: # Build the form element
572: $Str = qq/<select size="5" name="$elementname">/;
573: foreach my $option (@OutputDataOptions) {
574: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
575: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
576: $Str .= ">".&mt($option->{'name'})."<\/option>";
577: }
578: $Str .= "\n</select>";
579: return $Str;
580:
581: }
582:
583: #######################################################
584: #######################################################
585:
586: =pod
587:
588: =head2 HTML output routines
589:
590: =item &html_initialize($r)
591:
592: Create labels for the columns of student data to show.
593:
594: =item &html_outputstudent($r,$student)
595:
596: Return a line of the chart for a student.
597:
598: =item &html_finish($r)
599:
600: =cut
601:
602: #######################################################
603: #######################################################
604: {
605: my $padding;
606: my $count;
607:
608: my $nodata_count; # The number of students for which there is no data
609: my %prog_state; # progress state used by loncommon PrgWin routines
610: my $total_sum_width;
611:
612: sub html_initialize {
613: my ($r) = @_;
614: #
615: $padding = ' 'x3;
616: $count = 0;
617: $nodata_count = 0;
618: undef(%prog_state);
619: #
620: $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
621: " ".localtime(time)."</h3>");
622:
623: if ($chosen_output->{'base'} !~ /^final table/) {
624: $r->print("<h3>".$chosen_output->{'shortdesc'}."</h3>");
625: }
626: my $Str = "<pre>\n";
627: # First, the @StudentData fields need to be listed
628: my @to_show = &get_student_fields_to_show();
629: foreach my $field (@to_show) {
630: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
631: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
632: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
633: $Str .= $title.' 'x($width-$base).$padding;
634: }
635: #
636: # Compute the column widths and output the sequence titles
637: my $total_count;
638: foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
639: #
640: # Comptue column widths
641: $sequence->{'width_sum'} = 0;
642: if ($chosen_output->{'sequence_sum'}) {
643: if ($chosen_output->{'every_problem'}) {
644: # Use 1 digit for a space
645: $sequence->{'width_sum'} += 1;
646: }
647: $total_count += $sequence->{'num_assess_parts'};
648: # Use 3 digits for the sum
649: $sequence->{'width_sum'} += 3;
650: }
651: if ($chosen_output->{'sequence_max'}) {
652: if ($sequence->{'width_sum'}>0) {
653: # One digit for the '/'
654: $sequence->{'width_sum'} +=1;
655: }
656: # Use 3 digits for the total
657: $sequence->{'width_sum'}+=3;
658: }
659: #
660: if ($chosen_output->{'every_problem'}) {
661: # one problem per digit
662: $sequence->{'width_problem'} = $sequence->{'num_assess_parts'};
663: } else {
664: $sequence->{'width_problem'} = 0;
665: }
666: $sequence->{'width_total'} = $sequence->{'width_problem'} +
667: $sequence->{'width_sum'};
668: if ($sequence->{'width_total'} < length(&HTML::Entities::decode($sequence->{'title'}))) {
669: $sequence->{'width_total'} = length(&HTML::Entities::decode($sequence->{'title'}));
670: }
671: #
672: # Output the sequence titles
673: $Str .=
674: $sequence->{'title'}.' 'x($sequence->{'width_total'}-
675: length($sequence->{'title'})
676: ).$padding;
677: }
678: $total_sum_width = length($total_count)+1;
679: $Str .= " total</pre>\n";
680: $Str .= "<pre>";
681: $r->print($Str);
682: $r->rflush();
683: return;
684: }
685:
686: sub html_outputstudent {
687: my ($r,$student) = @_;
688: my $Str = '';
689: #
690: if($count++ % 5 == 0 && $count > 0) {
691: $r->print("</pre><pre>");
692: }
693: # First, the @StudentData fields need to be listed
694: my @to_show = &get_student_fields_to_show();
695: foreach my $field (@to_show) {
696: my $title=$student->{$field};
697: my $base = length($title);
698: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
699: $Str .= $title.' 'x($width-$base).$padding;
700: }
701: # Get ALL the students data
702: my %StudentsData;
703: my @tmp = &Apache::loncoursedata::get_current_state
704: ($student->{'username'},$student->{'domain'},undef,
705: $ENV{'request.course.id'});
706: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
707: %StudentsData = @tmp;
708: }
709: if (scalar(@tmp) < 1) {
710: $nodata_count++;
711: $Str .= '<font color="blue">No Course Data</font>'."\n";
712: $r->print($Str);
713: $r->rflush();
714: return;
715: }
716: #
717: # By sequence build up the data
718: my $studentstats;
719: my $PerformanceStr = '';
720: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
721: my ($performance,$performance_length,$score,$seq_max,$rawdata);
722: if ($chosen_output->{'tries'}) {
723: ($performance,$performance_length,$score,$seq_max,$rawdata) =
724: &StudentTriesOnSequence($student,\%StudentsData,
725: $seq,$show_links);
726: } else {
727: ($performance,$performance_length,$score,$seq_max,$rawdata) =
728: &StudentPerformanceOnSequence($student,\%StudentsData,
729: $seq,$show_links);
730: }
731: my $ratio='';
732: if ($chosen_output->{'every_problem'}) {
733: $ratio .= ' ';
734: }
735: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
736: $ratio .= sprintf("%3.0f",$score);
737: } elsif($chosen_output->{'sequence_sum'}) {
738: $ratio .= ' 'x3;
739: }
740: if ($chosen_output->{'sequence_max'}) {
741: if ($chosen_output->{'sequence_sum'}) {
742: $ratio .= '/';
743: }
744: $ratio .= sprintf("%3.0f",$seq_max);
745: }
746: #
747: if (! $chosen_output->{'every_problem'}) {
748: $performance = '';
749: $performance_length=0;
750: }
751: $performance .= ' 'x($seq->{'width_total'}-$performance_length-$seq->{'width_sum'}).
752: $ratio;
753: #
754: $Str .= $performance.$padding;
755: #
756: $studentstats->{$seq->{'symb'}}->{'score'}= $score;
757: $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
758: }
759: #
760: # Total it up and store the statistics info.
761: my ($score,$max);
762: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
763: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
764: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
765: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
766: }
767: if ($seq_stats->{'score'} ne ' ') {
768: $score += $seq_stats->{'score'};
769: $Statistics->{$symb}->{'num_students'}++;
770: }
771: $max += $seq_stats->{'max'};
772: }
773: if (! defined($score)) {
774: $score = ' ' x $total_sum_width;
775: }
776: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
777: $Str .= " \n";
778: #
779: $r->print($Str);
780: #
781: $r->rflush();
782: return;
783: }
784:
785: sub html_finish {
786: my ($r) = @_;
787: #
788: # Check for suppressed output and close the progress window if so
789: $r->print("</pre>\n");
790: if ($chosen_output->{'summary_table'}) {
791: if ($single_student_mode) {
792: $r->print(&SingleStudentTotal());
793: } else {
794: $r->print(&StudentAverageTotal());
795: }
796: }
797: $r->rflush();
798: return;
799: }
800:
801: sub StudentAverageTotal {
802: my $Str = "<h3>Summary Tables</h3>\n";
803: # my $max_students;
804: # my $total_ave = 0;
805: # my $total_max = 0;
806: $Str .= '<table border=2 cellspacing="1">'."\n";
807: $Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";
808: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
809: my $ave;
810: my $num_students = $Statistics->{$seq->{'symb'}}->{'num_students'};
811: # if ($num_students > $max_students) {
812: # $max_students = $num_students;
813: # }
814: if ($num_students > 0) {
815: $ave = int(100*
816: ($Statistics->{$seq->{'symb'}}->{'score'}/$num_students)
817: )/100;
818: } else {
819: $ave = 0;
820: }
821: # $total_ave += $ave;
822: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
823: # $total_max += $max;
824: $ave = sprintf("%.2f",$ave);
825: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
826: '<td align="right">'.$ave.' </td>'.
827: '<td align="right">'.$max.' '.'</td></tr>'."\n";
828: }
829: # $total_ave = sprintf('%.2f',$total_ave); # only two digit
830: $Str .= "</table>\n";
831: # $Str .= '<table border=2 cellspacing="1">'."\n";
832: # $Str .= '<tr><th>Number of Students</th><th>Average</th>'.
833: # "<th>Maximum</th></tr>\n";
834: # $Str .= '<tr>'.
835: # '<td align="right">'.$max_students.'</td>'.
836: # '<td align="right">'.$total_ave.' '.'</td>'.
837: # '<td align="right">'.$total_max.' '.'</td>';
838: # $Str .= "</table>\n";
839: return $Str;
840: }
841:
842: sub SingleStudentTotal {
843: my $student = &Apache::lonstatistics::current_student();
844: my $Str = "<h3>Summary table for ".$student->{'fullname'}." ".
845: $student->{'username'}.'@'.$student->{'domain'}."</h3>\n";
846: $Str .= '<table border=2 cellspacing="1">'."\n";
847: $Str .=
848: "<tr><th>Sequence or Folder</th><th>Score</th><th>Maximum</th></tr>\n";
849: my $total = 0;
850: my $total_max = 0;
851: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
852: my $value = $Statistics->{$seq->{'symb'}}->{'score'};
853: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
854: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
855: '<td align="right">'.$value.'</td>'.
856: '<td align="right">'.$max.'</td></tr>'."\n";
857: $total += $value;
858: $total_max +=$max;
859: }
860: $Str .= '<tr><td><b>Total</b></td>'.
861: '<td align="right">'.$total.'</td>'.
862: '<td align="right">'.$total_max."</td></tr>\n";
863: $Str .= "</table>\n";
864: return $Str;
865: }
866:
867: }
868:
869: #######################################################
870: #######################################################
871:
872: =pod
873:
874: =head2 EXCEL subroutines
875:
876: =item &excel_initialize($r)
877:
878: =item &excel_outputstudent($r,$student)
879:
880: =item &excel_finish($r)
881:
882: =cut
883:
884: #######################################################
885: #######################################################
886: {
887:
888: my $excel_sheet;
889: my $excel_workbook;
890:
891: my $filename;
892: my $rows_output;
893: my $cols_output;
894:
895: my %prog_state; # progress window state
896: my $request_aborted;
897:
898: my $total_formula;
899: my $maximum_formula;
900:
901: sub excel_initialize {
902: my ($r) = @_;
903: #
904: undef ($excel_sheet);
905: undef ($excel_workbook);
906: undef ($filename);
907: undef ($rows_output);
908: undef ($cols_output);
909: undef (%prog_state);
910: undef ($request_aborted);
911: undef ($total_formula);
912: undef ($maximum_formula);
913: #
914: my $total_columns = scalar(&get_student_fields_to_show());
915: my $num_students = scalar(@Apache::lonstatistics::Students);
916: #
917: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
918: if ($chosen_output->{'every_problem'}) {
919: $total_columns += $seq->{'num_assess_parts'};
920: }
921: # Add 2 because we need a 'sequence_sum' and 'total' column for each
922: $total_columns += 2;
923: }
924: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
925: $r->print(<<END);
926: <h2>Unable to Complete Request</h2>
927: <p>
928: LON-CAPA is unable to produce your Excel spreadsheet because your selections
929: will result in more than 255 columns. Excel allows only 255 columns in a
930: spreadsheet.
931: </p><p>
932: You may consider reducing the number of <b>Sequences or Folders</b> you
933: have selected.
934: </p><p>
935: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
936: summary data (<b>Parts Correct</b> or <b>Parts Correct & Totals</b>).
937: </p>
938: END
939: $request_aborted = 1;
940: }
941: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
942: $r->print(<<END);
943: <h2>Unable to Complete Request</h2>
944: <p>
945: LON-CAPA is unable to produce your Excel spreadsheet because your selections
946: will result in more than 255 columns. Excel allows only 255 columns in a
947: spreadsheet.
948: </p><p>
949: You may consider reducing the number of <b>Sequences or Folders</b> you
950: have selected.
951: </p><p>
952: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
953: <b>Scores Summary</b> data.
954: </p>
955: END
956: $request_aborted = 1;
957: }
958: return if ($request_aborted);
959: #
960: $filename = '/prtspool/'.
961: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
962: time.'_'.rand(1000000000).'.xls';
963: #
964: $excel_workbook = undef;
965: $excel_sheet = undef;
966: #
967: $rows_output = 0;
968: $cols_output = 0;
969: #
970: # Determine rows
971: my $header_row = $rows_output++;
972: my $description_row = $rows_output++;
973: $rows_output++; # blank row
974: my $summary_header_row;
975: if ($chosen_output->{'summary_table'}) {
976: $summary_header_row = $rows_output++;
977: $rows_output+= scalar(&Apache::lonstatistics::Sequences_with_Assess());
978: $rows_output++;
979: }
980: my $sequence_name_row = $rows_output++;
981: my $resource_name_row = $rows_output++;
982: my $maximum_data_row = $rows_output++;
983: if (! $chosen_output->{'maximum_row'}) {
984: $rows_output--;
985: }
986: my $first_data_row = $rows_output++;
987: #
988: # Create sheet
989: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
990: #
991: # Check for errors
992: if (! defined($excel_workbook)) {
993: $r->log_error("Error creating excel spreadsheet $filename: $!");
994: $r->print("Problems creating new Excel file. ".
995: "This error has been logged. ".
996: "Please alert your LON-CAPA administrator");
997: return ;
998: }
999: #
1000: # The excel spreadsheet stores temporary data in files, then put them
1001: # together. If needed we should be able to disable this (memory only).
1002: # The temporary directory must be specified before calling 'addworksheet'.
1003: # File::Temp is used to determine the temporary directory.
1004: $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
1005: #
1006: my $format = &Apache::loncommon::define_excel_formats($excel_workbook);
1007: #
1008: # Add a worksheet
1009: my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1010: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1011: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1012: #
1013: # Put the course description in the header
1014: $excel_sheet->write($header_row,$cols_output++,
1015: $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
1016: $format->{'h1'});
1017: $cols_output += 3;
1018: #
1019: # Put a description of the sections listed
1020: my $sectionstring = '';
1021: my @Sections = @Apache::lonstatistics::SelectedSections;
1022: if (scalar(@Sections) > 1) {
1023: if (scalar(@Sections) > 2) {
1024: my $last = pop(@Sections);
1025: $sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
1026: } else {
1027: $sectionstring = "Sections ".join(' and ',@Sections);
1028: }
1029: } else {
1030: if ($Sections[0] eq 'all') {
1031: $sectionstring = "All sections";
1032: } else {
1033: $sectionstring = "Section ".$Sections[0];
1034: }
1035: }
1036: $excel_sheet->write($header_row,$cols_output++,$sectionstring,
1037: $format->{'h3'});
1038: $cols_output += scalar(@Sections);
1039: #
1040: # Put the date in there too
1041: $excel_sheet->write($header_row,$cols_output++,
1042: 'Compiled on '.localtime(time),$format->{'h3'});
1043: #
1044: $cols_output = 0;
1045: $excel_sheet->write($description_row,$cols_output++,
1046: $chosen_output->{'shortdesc'},
1047: $format->{'h3'});
1048: ##############################################
1049: # Output headings for the raw data
1050: ##############################################
1051: #
1052: # Add the student headers
1053: $cols_output = 0;
1054: foreach my $field (&get_student_fields_to_show()) {
1055: $excel_sheet->write($resource_name_row,$cols_output++,$field,
1056: $format->{'bold'});
1057: }
1058: #
1059: # Add the remaining column headers
1060: my $total_formula_string = '=0';
1061: my $maximum_formula_string = '=0';
1062: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1063: $excel_sheet->write($sequence_name_row,,
1064: $cols_output,$seq->{'title'},$format->{'bold'});
1065: # Determine starting cell
1066: $seq->{'Excel:startcell'}=
1067: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1068: ($first_data_row,$cols_output);
1069: $seq->{'Excel:startcol'}=$cols_output;
1070: my $count = 0;
1071: if ($chosen_output->{'every_problem'}) {
1072: # Put the names of the problems and parts into the sheet
1073: foreach my $res (@{$seq->{'contents'}}) {
1074: if ($res->{'type'} ne 'assessment' ||
1075: ! exists($res->{'parts'}) ||
1076: ref($res->{'parts'}) ne 'ARRAY' ||
1077: scalar(@{$res->{'parts'}}) < 1) {
1078: next;
1079: }
1080: if (scalar(@{$res->{'parts'}}) > 1) {
1081: foreach my $part (@{$res->{'parts'}}) {
1082: $excel_sheet->write($resource_name_row,
1083: $cols_output++,
1084: $res->{'title'}.' part '.$part,
1085: $format->{'bold'});
1086: }
1087: } else {
1088: $excel_sheet->write($resource_name_row,
1089: $cols_output++,
1090: $res->{'title'},$format->{'bold'});
1091: }
1092: $count++;
1093: }
1094: }
1095: # Determine ending cell
1096: if ($count <= 1) {
1097: $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};
1098: $seq->{'Excel:endcol'} = $seq->{'Excel:startcol'};
1099: } else {
1100: $seq->{'Excel:endcell'} =
1101: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1102: ($first_data_row,$cols_output-1);
1103: $seq->{'Excel:endcol'} = $cols_output-1;
1104: }
1105: # Create the formula for summing up this sequence
1106: if (! exists($seq->{'Excel:endcell'}) ||
1107: ! defined($seq->{'Excel:endcell'})) {
1108: $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};
1109: }
1110: $seq->{'Excel:sum'}= $excel_sheet->store_formula
1111: ('=SUM('.$seq->{'Excel:startcell'}.
1112: ':'.$seq->{'Excel:endcell'}.')');
1113: # Determine cell the score is held in
1114: $seq->{'Excel:scorecell'} =
1115: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1116: ($first_data_row,$cols_output);
1117: $seq->{'Excel:scorecol'}=$cols_output;
1118: if ($chosen_output->{'base'} eq 'parts correct total') {
1119: $excel_sheet->write($resource_name_row,$cols_output++,
1120: 'parts correct',
1121: $format->{'bold'});
1122: } elsif ($chosen_output->{'sequence_sum'}) {
1123: if ($chosen_output->{'correct'}) {
1124: # Only reporting the number correct, so do not call it score
1125: $excel_sheet->write($resource_name_row,$cols_output++,
1126: 'sum',
1127: $format->{'bold'});
1128: } else {
1129: $excel_sheet->write($resource_name_row,$cols_output++,
1130: 'score',
1131: $format->{'bold'});
1132: }
1133: }
1134: #
1135: $total_formula_string.='+'.
1136: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1137: ($first_data_row,$cols_output-1);
1138: if ($chosen_output->{'sequence_max'}) {
1139: $excel_sheet->write($resource_name_row,$cols_output,
1140: 'maximum',
1141: $format->{'bold'});
1142: $seq->{'Excel:maxcell'} =
1143: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1144: ($first_data_row,$cols_output);
1145: $seq->{'Excel:maxcol'}=$cols_output;
1146: $maximum_formula_string.='+'.
1147: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1148: ($first_data_row,$cols_output);
1149: $cols_output++;
1150:
1151: }
1152: }
1153: if ($chosen_output->{'grand_total'}) {
1154: $excel_sheet->write($resource_name_row,$cols_output++,'Total',
1155: $format->{'bold'});
1156: }
1157: if ($chosen_output->{'grand_maximum'}) {
1158: $excel_sheet->write($resource_name_row,$cols_output++,'Max. Total',
1159: $format->{'bold'});
1160: }
1161: $total_formula = $excel_sheet->store_formula($total_formula_string);
1162: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1163: ##############################################
1164: # Output a row for MAX, if appropriate
1165: ##############################################
1166: if ($chosen_output->{'maximum_row'}) {
1167: $cols_output = 0;
1168: foreach my $field (&get_student_fields_to_show()) {
1169: if ($field eq 'username' || $field eq 'fullname' ||
1170: $field eq 'id') {
1171: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1172: $format->{'bold'});
1173: } else {
1174: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1175: }
1176: }
1177: #
1178: # Add the maximums for each sequence or assessment
1179: my %total_cell_translation;
1180: my %maximum_cell_translation;
1181: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1182: $cols_output=$seq->{'Excel:startcol'};
1183: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1184: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1185: ($maximum_data_row,$seq->{'Excel:scorecol'});
1186: $maximum_cell_translation{$seq->{'Excel:maxcell'}} =
1187: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1188: ($maximum_data_row,$seq->{'Excel:maxcol'});
1189: my $weight;
1190: my $max = 0;
1191: foreach my $resource (@{$seq->{'contents'}}) {
1192: next if ($resource->{'type'} ne 'assessment');
1193: foreach my $part (@{$resource->{'parts'}}) {
1194: $weight = 1;
1195: if ($chosen_output->{'scores'}) {
1196: $weight = &Apache::lonnet::EXT
1197: ('resource.'.$part.'.weight',$resource->{'symb'},
1198: undef,undef,undef);
1199: if (!defined($weight) || ($weight eq '')) {
1200: $weight=1;
1201: }
1202: }
1203: if ($chosen_output->{'scores'} &&
1204: $chosen_output->{'every_problem'}) {
1205: $excel_sheet->write($maximum_data_row,$cols_output++,
1206: $weight);
1207: }
1208: $max += $weight;
1209: }
1210: }
1211: #
1212: if ($chosen_output->{'sequence_sum'} &&
1213: $chosen_output->{'every_problem'}) {
1214: my %replaceCells;
1215: $replaceCells{$seq->{'Excel:startcell'}} =
1216: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1217: ($maximum_data_row,$seq->{'Excel:startcol'});
1218: $replaceCells{$seq->{'Excel:endcell'}} =
1219: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1220: ($maximum_data_row,$seq->{'Excel:endcol'});
1221: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1222: $seq->{'Excel:sum'},undef,
1223: %replaceCells);
1224: } elsif ($chosen_output->{'sequence_sum'}) {
1225: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1226: }
1227: if ($chosen_output->{'sequence_max'}) {
1228: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1229: }
1230: #
1231: }
1232: if ($chosen_output->{'grand_total'}) {
1233: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1234: $total_formula,undef,
1235: %total_cell_translation);
1236: }
1237: if ($chosen_output->{'grand_maximum'}) {
1238: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1239: $maximum_formula,undef,
1240: %total_cell_translation);
1241: }
1242: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1243: $rows_output = $first_data_row;
1244: ##############################################
1245: # Output summary table, which actually is above the sequence name row.
1246: ##############################################
1247: if ($chosen_output->{'summary_table'}) {
1248: $cols_output = 0;
1249: $excel_sheet->write($summary_header_row,$cols_output++,
1250: 'Summary Table',$format->{'bold'});
1251: if ($chosen_output->{'maximum_row'}) {
1252: $excel_sheet->write($summary_header_row,$cols_output++,
1253: 'Maximum',$format->{'bold'});
1254: }
1255: $excel_sheet->write($summary_header_row,$cols_output++,
1256: 'Average',$format->{'bold'});
1257: $excel_sheet->write($summary_header_row,$cols_output++,
1258: 'Median',$format->{'bold'});
1259: $excel_sheet->write($summary_header_row,$cols_output++,
1260: 'Std Dev',$format->{'bold'});
1261: my $row = $summary_header_row+1;
1262: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1263: $cols_output = 0;
1264: $excel_sheet->write($row,$cols_output++,
1265: $seq->{'title'},
1266: $format->{'bold'});
1267: if ($chosen_output->{'maximum_row'}) {
1268: $excel_sheet->write
1269: ($row,$cols_output++,
1270: '='.
1271: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1272: ($maximum_data_row,$seq->{'Excel:scorecol'})
1273: );
1274: }
1275: my $range =
1276: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1277: ($first_data_row,$seq->{'Excel:scorecol'}).
1278: ':'.
1279: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1280: ($first_data_row+$num_students-1,$seq->{'Excel:scorecol'});
1281: $excel_sheet->write($row,$cols_output++,
1282: '=AVERAGE('.$range.')');
1283: $excel_sheet->write($row,$cols_output++,
1284: '=MEDIAN('.$range.')');
1285: $excel_sheet->write($row,$cols_output++,
1286: '=STDEV('.$range.')');
1287: $row++;
1288: }
1289: }
1290: ##############################################
1291: # Take care of non-excel initialization
1292: ##############################################
1293: #
1294: # Let the user know what we are doing
1295: my $studentcount = scalar(@Apache::lonstatistics::Students);
1296: if ($ENV{'form.SelectedStudent'}) {
1297: $studentcount = '1';
1298: }
1299: if ($studentcount > 1) {
1300: $r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students',
1301: $studentcount)."</h1>\n");
1302: } else {
1303: $r->print('<h1>'.
1304: &mt('Compiling Excel spreadsheet for 1 student').
1305: "</h1>\n");
1306: }
1307: $r->rflush();
1308: #
1309: # Initialize progress window
1310: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1311: ($r,'Excel File Compilation Status',
1312: 'Excel File Compilation Progress', $studentcount);
1313: #
1314: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1315: 'Processing first student');
1316: return;
1317: }
1318:
1319: sub excel_outputstudent {
1320: my ($r,$student) = @_;
1321: return if ($request_aborted);
1322: return if (! defined($excel_sheet));
1323: $cols_output=0;
1324: #
1325: # Write out student data
1326: my @to_show = &get_student_fields_to_show();
1327: foreach my $field (@to_show) {
1328: $excel_sheet->write($rows_output,$cols_output++,$student->{$field});
1329: }
1330: #
1331: # Get student assessment data
1332: my %StudentsData;
1333: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1334: $student->{'domain'},
1335: undef,
1336: $ENV{'request.course.id'});
1337: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1338: %StudentsData = @tmp;
1339: }
1340: #
1341: # Write out sequence scores and totals data
1342: my %total_cell_translation;
1343: my %maximum_cell_translation;
1344: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1345: $cols_output = $seq->{'Excel:startcol'};
1346: # Keep track of cells to translate in total cell
1347: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1348: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1349: ($rows_output,$seq->{'Excel:scorecol'});
1350: #
1351: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1352: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1353: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1354: &StudentTriesOnSequence($student,\%StudentsData,
1355: $seq,'no');
1356: } else {
1357: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1358: &StudentPerformanceOnSequence($student,\%StudentsData,
1359: $seq,'no');
1360: }
1361: if ($chosen_output->{'every_problem'}) {
1362: if ($chosen_output->{'correct'}) {
1363: # only indiciate if each item is correct or not
1364: foreach my $value (@$rawdata) {
1365: # nonzero means correct
1366: $value = 1 if ($value > 0);
1367: $excel_sheet->write($rows_output,$cols_output++,$value);
1368: }
1369: } else {
1370: foreach my $value (@$rawdata) {
1371: if ($score eq ' ' || !defined($value)) {
1372: $cols_output++;
1373: } else {
1374: $excel_sheet->write($rows_output,$cols_output++,
1375: $value);
1376: }
1377: }
1378: }
1379: }
1380: if ($chosen_output->{'sequence_sum'} &&
1381: $chosen_output->{'every_problem'}) {
1382: # Write a formula for the sum of this sequence
1383: my %replaceCells;
1384: $replaceCells{$seq->{'Excel:startcell'}} =
1385: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1386: ($rows_output,$seq->{'Excel:startcol'});
1387: $replaceCells{$seq->{'Excel:endcell'}} =
1388: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1389: ($rows_output,$seq->{'Excel:endcol'});
1390: # The undef is for the format
1391: if (scalar(keys(%replaceCells)) == 1) {
1392: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1393: $seq->{'Excel:sum'},undef,
1394: %replaceCells,%replaceCells);
1395: } else {
1396: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1397: $seq->{'Excel:sum'},undef,
1398: %replaceCells);
1399: }
1400: } elsif ($chosen_output->{'sequence_sum'}) {
1401: if ($score eq ' ') {
1402: $cols_output++;
1403: } else {
1404: $excel_sheet->write($rows_output,$cols_output++,$score);
1405: }
1406: }
1407: if ($chosen_output->{'sequence_max'}) {
1408: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1409: }
1410: }
1411: #
1412: if ($chosen_output->{'grand_total'}) {
1413: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1414: $total_formula,undef,
1415: %total_cell_translation);
1416: }
1417: if ($chosen_output->{'grand_maximum'}) {
1418: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1419: $maximum_formula,undef,
1420: %total_cell_translation);
1421: }
1422: #
1423: # Bookkeeping
1424: $rows_output++;
1425: $cols_output=0;
1426: #
1427: # Update the progress window
1428: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1429: return;
1430: }
1431:
1432: sub excel_finish {
1433: my ($r) = @_;
1434: return if ($request_aborted);
1435: return if (! defined($excel_sheet));
1436: #
1437: # Write the excel file
1438: $excel_workbook->close();
1439: my $c = $r->connection();
1440: #
1441: return if($c->aborted());
1442: #
1443: # Close the progress window
1444: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1445: #
1446: # Tell the user where to get their excel file
1447: $r->print('<br />'.
1448: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1449: $r->rflush();
1450: return;
1451: }
1452:
1453: }
1454: #######################################################
1455: #######################################################
1456:
1457: =pod
1458:
1459: =head2 CSV output routines
1460:
1461: =item &csv_initialize($r)
1462:
1463: =item &csv_outputstudent($r,$student)
1464:
1465: =item &csv_finish($r)
1466:
1467: =cut
1468:
1469: #######################################################
1470: #######################################################
1471: {
1472:
1473: my $outputfile;
1474: my $filename;
1475: my $request_aborted;
1476: my %prog_state; # progress window state
1477:
1478: sub csv_initialize{
1479: my ($r) = @_;
1480: #
1481: # Clean up
1482: undef($outputfile);
1483: undef($filename);
1484: undef($request_aborted);
1485: undef(%prog_state);
1486: #
1487: # Deal with unimplemented requests
1488: $request_aborted = undef;
1489: if ($chosen_output->{'base'} =~ /final table/) {
1490: $r->print(<<END);
1491: <h2>Unable to Complete Request</h2>
1492: <p>
1493: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1494: </p>
1495: END
1496: $request_aborted = 1;
1497: }
1498: return if ($request_aborted);
1499: #
1500: # Initialize progress window
1501: my $studentcount = scalar(@Apache::lonstatistics::Students);
1502: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1503: ($r,'CSV File Compilation Status',
1504: 'CSV File Compilation Progress', $studentcount);
1505: #
1506: # Open a file
1507: $filename = '/prtspool/'.
1508: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1509: time.'_'.rand(1000000000).'.csv';
1510: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
1511: $r->log_error("Couldn't open $filename for output $!");
1512: $r->print("Problems occured in writing the csv file. ".
1513: "This error has been logged. ".
1514: "Please alert your LON-CAPA administrator.");
1515: $outputfile = undef;
1516: }
1517: #
1518: # Datestamp
1519: my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1520: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1521: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1522: "\n";
1523: #
1524: # Print out the headings
1525: my $sequence_row = '';
1526: my $resource_row = undef;
1527: foreach my $field (&get_student_fields_to_show()) {
1528: $sequence_row .='"",';
1529: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1530: }
1531: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1532: $sequence_row .= '"'.
1533: &Apache::loncommon::csv_translate($seq->{'title'}).'",';
1534: my $count = 0;
1535: if ($chosen_output->{'every_problem'}) {
1536: foreach my $res (@{$seq->{'contents'}}) {
1537: if ($res->{'type'} ne 'assessment' ||
1538: ! exists($res->{'parts'}) ||
1539: ref($res->{'parts'}) ne 'ARRAY' ||
1540: scalar(@{$res->{'parts'}}) < 1) {
1541: next;
1542: }
1543: foreach my $part (@{$res->{'parts'}}) {
1544: $resource_row .= '"'.
1545: &Apache::loncommon::csv_translate($res->{'title'}.
1546: ', Part '.$part
1547: ).'",';
1548: $count++;
1549: }
1550: }
1551: }
1552: $sequence_row.='"",'x$count;
1553: if ($chosen_output->{'sequence_sum'}) {
1554: if($chosen_output->{'correct'}) {
1555: $resource_row .= '"sum",';
1556: } else {
1557: $resource_row .= '"score",';
1558: }
1559: }
1560: if ($chosen_output->{'sequence_max'}) {
1561: $sequence_row.= '"",';
1562: $resource_row .= '"maximum possible",';
1563: }
1564: }
1565: if ($chosen_output->{'grand_total'}) {
1566: $sequence_row.= '"",';
1567: $resource_row.= '"Total",';
1568: }
1569: if ($chosen_output->{'grand_maximum'}) {
1570: $sequence_row.= '"",';
1571: $resource_row.= '"Maximum",';
1572: }
1573: chomp($sequence_row);
1574: chomp($resource_row);
1575: print $outputfile $sequence_row."\n";
1576: print $outputfile $resource_row."\n";
1577: return;
1578: }
1579:
1580: sub csv_outputstudent {
1581: my ($r,$student) = @_;
1582: return if ($request_aborted);
1583: return if (! defined($outputfile));
1584: my $Str = '';
1585: #
1586: # Output student fields
1587: my @to_show = &get_student_fields_to_show();
1588: foreach my $field (@to_show) {
1589: $Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",';
1590: }
1591: #
1592: # Get student assessment data
1593: my %StudentsData;
1594: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1595: $student->{'domain'},
1596: undef,
1597: $ENV{'request.course.id'});
1598: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1599: %StudentsData = @tmp;
1600: }
1601: #
1602: # Output performance data
1603: my $total = 0;
1604: my $maximum = 0;
1605: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1606: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1607: if ($chosen_output->{'tries'}){
1608: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1609: &StudentTriesOnSequence($student,\%StudentsData,
1610: $seq,'no');
1611: } else {
1612: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1613: &StudentPerformanceOnSequence($student,\%StudentsData,
1614: $seq,'no');
1615: }
1616: if ($chosen_output->{'every_problem'}) {
1617: if ($chosen_output->{'correct'}) {
1618: $score = 0;
1619: # Deal with number of parts correct data
1620: $Str .= '"'.join('","',( map { if ($_>0) {
1621: $score += 1;
1622: 1;
1623: } else {
1624: 0;
1625: }
1626: } @$rawdata)).'",';
1627: } else {
1628: $Str .= '"'.join('","',(@$rawdata)).'",';
1629: }
1630: }
1631: if ($chosen_output->{'sequence_sum'}) {
1632: $Str .= '"'.$score.'",';
1633: }
1634: if ($chosen_output->{'sequence_max'}) {
1635: $Str .= '"'.$seq_max.'",';
1636: }
1637: $total+=$score;
1638: $maximum += $seq_max;
1639: }
1640: if ($chosen_output->{'grand_total'}) {
1641: $Str .= '"'.$total.'",';
1642: }
1643: if ($chosen_output->{'grand_maximum'}) {
1644: $Str .= '"'.$maximum.'",';
1645: }
1646: chop($Str);
1647: $Str .= "\n";
1648: print $outputfile $Str;
1649: #
1650: # Update the progress window
1651: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1652: return;
1653: }
1654:
1655: sub csv_finish {
1656: my ($r) = @_;
1657: return if ($request_aborted);
1658: return if (! defined($outputfile));
1659: close($outputfile);
1660: #
1661: my $c = $r->connection();
1662: return if ($c->aborted());
1663: #
1664: # Close the progress window
1665: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1666: #
1667: # Tell the user where to get their csv file
1668: $r->print('<br />'.
1669: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
1670: $r->rflush();
1671: return;
1672:
1673: }
1674:
1675: }
1676:
1677: #######################################################
1678: #######################################################
1679:
1680: =pod
1681:
1682: =item &StudentTriesOnSequence()
1683:
1684: Inputs:
1685:
1686: =over 4
1687:
1688: =item $student
1689:
1690: =item $studentdata Hash ref to all student data
1691:
1692: =item $seq Hash ref, the sequence we are working on
1693:
1694: =item $links if defined we will output links to each resource.
1695:
1696: =back
1697:
1698: =cut
1699:
1700: #######################################################
1701: #######################################################
1702: sub StudentTriesOnSequence {
1703: my ($student,$studentdata,$seq,$links) = @_;
1704: $links = 'no' if (! defined($links));
1705: my $Str = '';
1706: my ($sum,$max) = (0,0);
1707: my $performance_length = 0;
1708: my @TriesData = ();
1709: my $tries;
1710: my $hasdata = 0; # flag - true if the student has any data on the sequence
1711: foreach my $resource (@{$seq->{'contents'}}) {
1712: next if ($resource->{'type'} ne 'assessment');
1713: my $resource_data = $studentdata->{$resource->{'symb'}};
1714: my $value = '';
1715: foreach my $partnum (@{$resource->{'parts'}}) {
1716: $tries = undef;
1717: $max++;
1718: $performance_length++;
1719: my $symbol = ' '; # default to space
1720: #
1721: my $awarded = 0;
1722: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1723: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1724: $awarded = 0 if (! $awarded);
1725: }
1726: #
1727: my $status = '';
1728: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1729: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1730: }
1731: #
1732: my $tries = 0;
1733: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1734: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1735: $hasdata =1;
1736: }
1737: #
1738: if ($awarded > 0) {
1739: # The student has gotten the problem correct to some degree
1740: if ($status eq 'excused') {
1741: $symbol = 'x';
1742: $max--;
1743: } elsif ($status eq 'correct_by_override') {
1744: $symbol = '+';
1745: $sum++;
1746: } elsif ($tries > 0) {
1747: if ($tries > 9) {
1748: $symbol = '*';
1749: } else {
1750: $symbol = $tries;
1751: }
1752: $sum++;
1753: } else {
1754: $symbol = '+';
1755: $sum++;
1756: }
1757: } else {
1758: # The student has the problem incorrect or it is ungraded
1759: if ($status eq 'excused') {
1760: $symbol = 'x';
1761: $max--;
1762: } elsif ($status eq 'incorrect_by_override') {
1763: $symbol = '-';
1764: } elsif ($status eq 'ungraded_attempted') {
1765: $symbol = '#';
1766: } elsif ($status eq 'incorrect_attempted' ||
1767: $tries > 0) {
1768: $symbol = '.';
1769: } else {
1770: # Problem is wrong and has not been attempted.
1771: $symbol=' ';
1772: }
1773: }
1774: #
1775: if (! defined($tries)) {
1776: $tries = $symbol;
1777: }
1778: push (@TriesData,$tries);
1779: #
1780: if ( ($links eq 'yes' && $symbol ne ' ') ||
1781: ($links eq 'all')) {
1782: if (length($symbol) > 1) {
1783: &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
1784: }
1785: $symbol = '<a href="/adm/grades'.
1786: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1787: '&student='.$student->{'username'}.
1788: '&userdom='.$student->{'domain'}.
1789: '&command=submission">'.$symbol.'</a>';
1790: }
1791: $value .= $symbol;
1792: }
1793: $Str .= $value;
1794: }
1795: if ($seq->{'randompick'}) {
1796: $max = $seq->{'randompick'};
1797: }
1798: if (! $hasdata && $sum == 0) {
1799: $sum = ' ';
1800: }
1801: return ($Str,$performance_length,$sum,$max,\@TriesData);
1802: }
1803:
1804: #######################################################
1805: #######################################################
1806:
1807: =pod
1808:
1809: =item &StudentPerformanceOnSequence()
1810:
1811: Inputs:
1812:
1813: =over 4
1814:
1815: =item $student
1816:
1817: =item $studentdata Hash ref to all student data
1818:
1819: =item $seq Hash ref, the sequence we are working on
1820:
1821: =item $links if defined we will output links to each resource.
1822:
1823: =back
1824:
1825: =cut
1826:
1827: #######################################################
1828: #######################################################
1829: sub StudentPerformanceOnSequence {
1830: my ($student,$studentdata,$seq,$links) = @_;
1831: $links = 'no' if (! defined($links));
1832: my $Str = ''; # final result string
1833: my ($score,$max) = (0,0);
1834: my $performance_length = 0;
1835: my $symbol;
1836: my @ScoreData = ();
1837: my $partscore;
1838: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
1839: foreach my $resource (@{$seq->{'contents'}}) {
1840: next if ($resource->{'type'} ne 'assessment');
1841: my $resource_data = $studentdata->{$resource->{'symb'}};
1842: foreach my $part (@{$resource->{'parts'}}) {
1843: $partscore = undef;
1844: my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
1845: $resource->{'symb'},
1846: $student->{'domain'},
1847: $student->{'username'},
1848: $student->{'section'});
1849: if (!defined($weight) || ($weight eq '')) {
1850: $weight=1;
1851: }
1852: #
1853: $max += $weight; # see the 'excused' branch below...
1854: $performance_length++; # one character per part
1855: $symbol = ' '; # default to space
1856: #
1857: my $awarded;
1858: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
1859: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1860: $awarded = 0 if (! $awarded);
1861: $hasdata = 1;
1862: }
1863: #
1864: $partscore = $weight*$awarded;
1865: if (! defined($awarded)) {
1866: $partscore = undef;
1867: }
1868: $score += $partscore;
1869: $symbol = $partscore;
1870: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
1871: $symbol = sprintf("%.0f",$symbol);
1872: }
1873: if (length($symbol) > 1) {
1874: $symbol = '*';
1875: }
1876: if (exists($resource_data->{'resource.'.$part.'.solved'})) {
1877: my $status = $resource_data->{'resource.'.$part.'.solved'};
1878: if ($status eq 'excused') {
1879: $symbol = 'x';
1880: $max -= $weight; # Do not count 'excused' problems.
1881: }
1882: $hasdata = 1;
1883: } else {
1884: # Unsolved. Did they try?
1885: if (exists($resource_data->{'resource.'.$part.'.tries'})){
1886: $symbol = '.';
1887: $hasdata = 1;
1888: } else {
1889: $symbol = ' ';
1890: }
1891: }
1892: #
1893: if (! defined($partscore)) {
1894: $partscore = $symbol;
1895: }
1896: push (@ScoreData,$partscore);
1897: #
1898: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1899: $symbol = '<a href="/adm/grades'.
1900: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1901: '&student='.$student->{'username'}.
1902: '&userdom='.$student->{'domain'}.
1903: '&command=submission">'.$symbol.'</a>';
1904: }
1905: $Str .= $symbol;
1906: }
1907: }
1908: if (! $hasdata && $score == 0) {
1909: $score = ' ';
1910: }
1911: return ($Str,$performance_length,$score,$max,\@ScoreData);
1912: }
1913:
1914: #######################################################
1915: #######################################################
1916:
1917: =pod
1918:
1919: =item &CreateLegend()
1920:
1921: This function returns a formatted string containing the legend for the
1922: chart. The legend describes the symbols used to represent grades for
1923: problems.
1924:
1925: =cut
1926:
1927: #######################################################
1928: #######################################################
1929: sub CreateLegend {
1930: my $Str = "<p><pre>".
1931: " 1 correct by student in 1 try\n".
1932: " 7 correct by student in 7 tries\n".
1933: " * correct by student in more than 9 tries\n".
1934: " + correct by hand grading or override\n".
1935: " - incorrect by override\n".
1936: " . incorrect attempted\n".
1937: " # ungraded attempted\n".
1938: " not attempted (blank field)\n".
1939: " x excused".
1940: "</pre><p>";
1941: return $Str;
1942: }
1943:
1944: #######################################################
1945: #######################################################
1946:
1947: =pod
1948:
1949: =back
1950:
1951: =cut
1952:
1953: #######################################################
1954: #######################################################
1955:
1956: 1;
1957:
1958: __END__
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