1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.177 2023/04/07 16:46:44 raeburn 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::lonquickgrades();
55: use Apache::lonhtmlcommon();
56: use Apache::loncommon();
57: use Apache::loncoursedata;
58: use Apache::lonnet; # for logging porpoises
59: use Apache::lonlocal;
60: use Apache::grades();
61: use Apache::lonmsgdisplay();
62: use Time::HiRes;
63: use Spreadsheet::WriteExcel;
64: use Spreadsheet::WriteExcel::Utility();
65: use lib '/home/httpd/lib/perl/';
66: use LONCAPA;
67:
68:
69: #######################################################
70: #######################################################
71: =pod
72:
73: =item Package Variables
74:
75: =over 4
76:
77: =item $Statistics Hash ref to store student data. Indexed by symb,
78: contains hashes with keys 'score' and 'max'.
79:
80: =cut
81:
82: #######################################################
83: #######################################################
84:
85: my $Statistics;
86:
87: #######################################################
88: #######################################################
89:
90: =pod
91:
92: =item $show_links 'yes' or 'no' for linking to student performance data
93:
94: =item $output_mode 'html', 'excel', or 'csv' for output mode
95:
96: =item $show 'all', 'totals', or 'scores' determines how much data is output
97:
98: =item $single_student_mode evaluates to true if we are showing only one
99: student.
100:
101: =cut
102:
103: #######################################################
104: #######################################################
105: my $show_links;
106: my $output_mode;
107: my $chosen_output;
108: my $single_student_mode;
109:
110: #######################################################
111: #######################################################
112: # End of package variable declarations
113:
114: =pod
115:
116: =back
117:
118: =cut
119:
120: #######################################################
121: #######################################################
122:
123: =pod
124:
125: =item &BuildStudentAssessmentPage()
126:
127: Inputs:
128:
129: =over 4
130:
131: =item $r Apache Request
132:
133: =item $c Apache Connection
134:
135: =back
136:
137: =cut
138:
139: #######################################################
140: #######################################################
141: sub BuildStudentAssessmentPage {
142: my ($r,$c)=@_;
143: #
144: undef($Statistics);
145: undef($show_links);
146: undef($output_mode);
147: undef($chosen_output);
148: undef($single_student_mode);
149: #
150: my %Saveable_Parameters = ('Status' => 'scalar',
151: 'chartoutputmode' => 'scalar',
152: 'chartoutputdata' => 'scalar',
153: 'Section' => 'array',
154: 'Groups' => 'array',
155: 'StudentData' => 'array',
156: 'Maps' => 'array');
157: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
158: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
159: #
160: &Apache::lonstatistics::PrepareClasslist();
161: #
162: $single_student_mode = 0;
163: $single_student_mode = 1 if ($env{'form.SelectedStudent'});
164: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
165: ['selectstudent']);
166: if ($env{'form.selectstudent'}) {
167: &Apache::lonstatistics::DisplayClasslist($r);
168: return;
169: }
170: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Chart','Chart_Description:Chart_Sections:Chart_Student_Data:Chart_Enrollment_Status:Chart_Sequences:Chart_Output_Formats:Chart_Output_Data'));
171: &Apache::lonquickgrades::startGradeScreen($r,'chart');
172:
173: #
174: # Print out the HTML headers for the interface
175: # This also parses the output mode selector
176: # This step must *always* be done.
177: $r->print(&CreateInterface());
178: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
179: $r->print('<input type="hidden" name="sort" value="'.
180: $env{'form.sort'}.'" />');
181: $r->rflush();
182: #
183: if (! exists($env{'form.notfirstrun'}) && ! $single_student_mode) {
184: return;
185: }
186: $r->print('<h4>'.
187: &Apache::lonstatistics::section_and_enrollment_description().
188: '</h4>');
189: #
190: my $initialize = \&html_initialize;
191: my $output_student = \&html_outputstudent;
192: my $finish = \&html_finish;
193: #
194: if ($output_mode eq 'excel') {
195: $initialize = \&excel_initialize;
196: $output_student = \&excel_outputstudent;
197: $finish = \&excel_finish;
198: } elsif ($output_mode eq 'csv') {
199: $initialize = \&csv_initialize;
200: $output_student = \&csv_outputstudent;
201: $finish = \&csv_finish;
202: }
203: #
204: if($c->aborted()) { return ; }
205: #
206: # Determine which students we want to look at
207: my @Students;
208: if ($single_student_mode) {
209: @Students = (&Apache::lonstatistics::current_student());
210: $r->print(&next_and_previous_buttons());
211: $r->rflush();
212: } else {
213: @Students = @Apache::lonstatistics::Students;
214: }
215: #
216: # Perform generic initialization tasks
217: # Since we use lonnet::EXT to retrieve problem weights,
218: # to ensure current data we must clear the caches out.
219: # This makes sure that parameter changes at the student level
220: # are immediately reflected in the chart.
221: &Apache::lonnet::clear_EXT_cache_status();
222: #
223: # Clean out loncoursedata's package data, just to be safe.
224: &Apache::loncoursedata::clear_internal_caches();
225: #
226: # Call the initialize routine selected above
227: $initialize->($r);
228: foreach my $student (@Students) {
229: if($c->aborted()) {
230: $finish->($r);
231: return ;
232: }
233: # Call the output_student routine selected above
234: $output_student->($r,$student);
235: }
236: # Call the "finish" routine selected above
237: &Apache::lonquickgrades::endGradeScreen($r);
238: $finish->($r);
239: #
240: return;
241: }
242:
243: #######################################################
244: #######################################################
245: sub next_and_previous_buttons {
246: my $Str = '';
247: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
248: $env{'form.SelectedStudent'}.'" />';
249: #
250: # Build the previous student link
251: my $previous = &Apache::lonstatistics::previous_student();
252: my $previousbutton = '';
253: if (defined($previous)) {
254: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
255: $previousbutton .= '<input type="button" value="'.
256: &mt('Previous Student ([_1])',
257: $previous->{'username'}.':'.$previous->{'domain'}).
258: '" onclick="document.Statistics.SelectedStudent.value='.
259: "'".$sname."'".';'.
260: 'document.Statistics.submit();" />';
261: } else {
262: $previousbutton .= '<input type="button" value="'.
263: &mt('Previous Student').'" disabled="disabled" />';
264: }
265: #
266: # Build the next student link
267: my $next = &Apache::lonstatistics::next_student();
268: my $nextbutton = '';
269: if (defined($next)) {
270: my $sname = $next->{'username'}.':'.$next->{'domain'};
271: $nextbutton .= '<input type="button" value="'.
272: &mt('Next Student ([_1])',
273: $next->{'username'}.':'.$next->{'domain'}).
274: '" onclick="document.Statistics.SelectedStudent.value='.
275: "'".$sname."'".';'.
276: 'document.Statistics.submit();" />';
277: } else {
278: $nextbutton .= '<input type="button" value="'.
279: &mt('Next Student').'" disabled="disabled" />';
280: }
281: #
282: # Build the 'all students' button
283: my $all = '';
284: $all .= '<input type="button" value="'.&mt('All Students').'" '.
285: ' onclick="document.Statistics.SelectedStudent.value='.
286: "''".';'.'document.Statistics.submit();" />';
287: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
288: return $Str;
289: }
290:
291: #######################################################
292: #######################################################
293:
294: sub get_student_fields_to_show {
295: my @to_show = @Apache::lonstatistics::SelectedStudentData;
296: foreach (@to_show) {
297: if ($_ eq 'all') {
298: @to_show = @Apache::lonstatistics::StudentDataOrder;
299: last;
300: }
301: }
302: return @to_show;
303: }
304:
305: #######################################################
306: #######################################################
307:
308: =pod
309:
310: =item &CreateInterface()
311:
312: Called by &BuildStudentAssessmentPage to create the top part of the
313: page which displays the chart.
314:
315: Inputs: None
316:
317: Returns: A string containing the HTML for the headers and top table for
318: the chart page.
319:
320: =cut
321:
322: #######################################################
323: #######################################################
324: sub CreateInterface {
325: my $Str = '';
326: $Str .= '<table cellspacing="5">'."\n";
327: $Str .= '<tr>';
328: $Str .= '<td align="center"><b>'.&mt('Sections').'</b>'.
329: &Apache::loncommon::help_open_topic("Chart_Sections").
330: '</td>';
331: $Str .= '<td align="center"><b>'.&mt('Groups').'</b>'.
332: '</td>';
333: $Str .= '<td align="center"><b>'.&mt('Student Data').'</b>'.
334: &Apache::loncommon::help_open_topic("Chart_Student_Data").
335: '</td>';
336: $Str .= '<td align="center"><b>'.&mt('Access Status').'</b>'.
337: &Apache::loncommon::help_open_topic("Chart_Enrollment_Status").
338: '</td>';
339: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b>'.
340: &Apache::loncommon::help_open_topic("Chart_Sequences").
341: '</td>';
342: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
343: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
344: '</td>';
345: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
346: &Apache::loncommon::help_open_topic("Chart_Output_Data").
347: '</td>';
348: $Str .= '</tr>'."\n";
349: #
350: $Str .= '<tr><td align="center">'."\n";
351: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
352: $Str .= '</td><td align="center">';
353: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
354: $Str .= '</td><td align="center">';
355: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
356: 5,undef);
357: $Str .= '</td><td>'."\n";
358: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
359: $Str .= '</td><td>'."\n";
360: $Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5);
361: $Str .= '</td><td>'."\n";
362: $Str .= &CreateAndParseOutputSelector();
363: $Str .= '</td><td>'."\n";
364: $Str .= &CreateAndParseOutputDataSelector();
365: $Str .= '</td></tr>'."\n";
366: $Str .= '</table>'."\n";
367: $Str .= '<input type="submit" name="selectstudent" value="'.
368: &mt('Select One Student').'" />';
369: $Str .= ' 'x5;
370: $Str .= '<input type="submit" name="ClearCache" value="'.
371: &mt('Clear Caches').'" />';
372: $Str .= '<p>'
373: .'<input type="submit" name="Generate Chart"'
374: .' value="'.&mt('Generate Chart').'" />'
375: .'</p>';
376: return $Str;
377: }
378:
379: #######################################################
380: #######################################################
381:
382: =pod
383:
384: =item &CreateAndParseOutputSelector()
385:
386: =cut
387:
388: #######################################################
389: #######################################################
390: my @OutputOptions =
391: ({ name => 'HTML, with links',
392: value => 'html, with links',
393: description => 'Output HTML with each symbol linked to the problem '.
394: 'which generated it.',
395: mode => 'html',
396: show_links => 'yes',
397: },
398: { name => 'HTML, with all links',
399: value => 'html, with all links',
400: description => 'Output HTML with each symbol linked to the problem '.
401: 'which generated it. '.
402: 'This includes links for unattempted problems.',
403: mode => 'html',
404: show_links => 'all',
405: },
406: { name => 'HTML, without links',
407: value => 'html, without links',
408: description => 'Output HTML. By not including links, the size of the'.
409: ' web page is greatly reduced. If your browser crashes on the '.
410: 'full display, try this.',
411: mode => 'html',
412: show_links => 'no',
413: },
414: { name => 'Excel',
415: value => 'excel',
416: description => 'Output an Excel file (compatable with Excel 95).',
417: mode => 'excel',
418: show_links => 'no',
419: },
420: { name => 'CSV',
421: value => 'csv',
422: description => 'Output a comma separated values file suitable for '.
423: 'import into a spreadsheet program. Using this method as opposed '.
424: 'to Excel output allows you to organize your data before importing'.
425: ' it into a spreadsheet program.',
426: mode => 'csv',
427: show_links => 'no',
428: },
429: );
430:
431: sub OutputDescriptions {
432: my $Str = '';
433: $Str .= '<h2>'.&mt('Output Formats')."</h2>\n";
434: $Str .= "<dl>\n";
435: foreach my $outputmode (@OutputOptions) {
436: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
437: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
438: }
439: $Str .= "</dl>\n";
440: return $Str;
441: }
442:
443: sub CreateAndParseOutputSelector {
444: my $Str = '';
445: my $elementname = 'chartoutputmode';
446: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
447: [$elementname]);
448: #
449: # Format for output options is 'mode, restrictions';
450: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
451: $selected = 'html, without links' if (!$selected);
452:
453: #
454: # Set package variables describing output mode
455: $show_links = 'no';
456: $output_mode = 'html';
457: foreach my $option (@OutputOptions) {
458: next if ($option->{'value'} ne $selected);
459: $output_mode = $option->{'mode'};
460: $show_links = $option->{'show_links'};
461: }
462:
463: #
464: # Build the form element
465: $Str = qq/<select size="5" name="$elementname">/;
466: foreach my $option (@OutputOptions) {
467: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
468: $Str .= ' selected="selected"' if ($option->{'value'} eq $selected);
469: $Str .= ">".&mt($option->{'name'})."<\/option>";
470: }
471: $Str .= "\n</select>";
472: return $Str;
473: }
474:
475: ##
476: ## Data selector stuff
477: ##
478: my @OutputDataOptions =
479: (
480: { name => 'Scores Summary',
481: base => 'scores',
482: value => 'sum and total',
483: scores => 1,
484: tries => 0,
485: every_problem => 0,
486: sequence_sum => 1,
487: sequence_max => 1,
488: grand_total => 1,
489: grand_maximum => 1,
490: summary_table => 1,
491: maximum_row => 1,
492: ignore_weight => 0,
493: shortdesc => 'Total Score and Maximum Possible for each '.
494: 'Sequence or Folder',
495: longdesc => 'The score of each student as well as the '.
496: ' maximum possible on each Sequence or Folder.',
497: },
498: { name => 'Scores Per Problem',
499: base => 'scores',
500: value => 'scores',
501: scores => 1,
502: tries => 0,
503: correct => 0,
504: every_problem => 1,
505: sequence_sum => 1,
506: sequence_max => 1,
507: grand_total => 1,
508: grand_maximum => 1,
509: summary_table => 1,
510: maximum_row => 1,
511: ignore_weight => 0,
512: shortdesc => 'Score on each Problem Part',
513: longdesc =>'The students score on each problem part, computed as'.
514: 'the part weight * part awarded',
515: },
516: { name =>'Tries',
517: base =>'tries',
518: value => 'tries',
519: scores => 0,
520: tries => 1,
521: correct => 0,
522: every_problem => 1,
523: sequence_sum => 0,
524: sequence_max => 0,
525: grand_total => 0,
526: grand_maximum => 0,
527: summary_table => 0,
528: maximum_row => 0,
529: ignore_weight => 0,
530: shortdesc => 'Number of Tries before success on each Problem Part',
531: longdesc =>'The number of tries before success on each problem part.',
532: non_html_notes => 'negative values indicate an incorrect problem',
533: },
534: { name =>'Parts Correct',
535: base =>'tries',
536: value => 'parts correct total',
537: scores => 0,
538: tries => 0,
539: correct => 1,
540: every_problem => 1,
541: sequence_sum => 1,
542: sequence_max => 1,
543: grand_total => 1,
544: grand_maximum => 1,
545: summary_table => 1,
546: maximum_row => 0,
547: ignore_weight => 1,
548: shortdesc => 'Number of Problem Parts completed successfully',
549: longdesc => 'The Number of Problem Parts completed successfully and '.
550: 'the maximum possible for each student',
551: },
552: );
553:
554: sub HTMLifyOutputDataDescriptions {
555: my $Str = '';
556: $Str .= '<h2>'.&mt('Output Data').'</h2>'."\n";
557: $Str .= "<dl>\n";
558: foreach my $option (@OutputDataOptions) {
559: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
560: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
561: }
562: $Str .= "</dl>\n";
563: return $Str;
564: }
565:
566: sub CreateAndParseOutputDataSelector {
567: my $Str = '';
568: my $elementname = 'chartoutputdata';
569: #
570: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
571: $selected = 'scores' if (!$selected);
572:
573: #
574: $chosen_output = $OutputDataOptions[0];
575: foreach my $option (@OutputDataOptions) {
576: if ($option->{'value'} eq $selected) {
577: $chosen_output = $option;
578: }
579: }
580: #
581: # Build the form element
582: $Str = qq/<select size="5" name="$elementname">/;
583: foreach my $option (@OutputDataOptions) {
584: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
585: $Str .= ' selected="selected"' if ($option->{'value'} eq $chosen_output->{'value'});
586: $Str .= ">".&mt($option->{'name'})."<\/option>";
587: }
588: $Str .= "\n</select>";
589: return $Str;
590:
591: }
592:
593: #######################################################
594: #######################################################
595: sub count_parts {
596: my ($navmap,$sequence) = @_;
597: my @resources = &get_resources($navmap,$sequence);
598: my $count = 0;
599: foreach my $res (@resources) {
600: $count += scalar(@{$res->parts});
601: }
602: return $count;
603: }
604:
605: sub get_resources {
606: my ($navmap,$sequence) = @_;
607: my @resources = $navmap->retrieveResources($sequence,
608: sub { shift->is_gradable(); },
609: 0,0,0);
610: return @resources;
611: }
612:
613: #######################################################
614: #######################################################
615:
616: =pod
617:
618: =head2 HTML output routines
619:
620: =item &html_initialize($r)
621:
622: Create labels for the columns of student data to show.
623:
624: =item &html_outputstudent($r,$student)
625:
626: Return a line of the chart for a student.
627:
628: =item &html_finish($r)
629:
630: =cut
631:
632: #######################################################
633: #######################################################
634: {
635: my $padding;
636: my $count;
637:
638: my $nodata_count; # The number of students for which there is no data
639: my %prog_state; # progress state used by loncommon PrgWin routines
640: my $total_sum_width;
641:
642: my %width; # Holds sequence width information
643: my @sequences;
644: my $navmap; # Have to keep this around since weakref is a bit zealous
645:
646: sub html_cleanup {
647: undef(%prog_state);
648: undef(%width);
649: #
650: undef($navmap);
651: undef(@sequences);
652: }
653:
654: sub html_initialize {
655: my ($r) = @_;
656: #
657: $padding = ' 'x3;
658: $count = 0;
659: $nodata_count = 0;
660: &html_cleanup();
661: ($navmap,@sequences) =
662: &Apache::lonstatistics::selected_sequences_with_assessments();
663: if (! ref($navmap)) {
664: # Unable to get data, so bail out
665: $r->print('<p class="LC_error">'
666: .&mt('Unable to retrieve course information.')
667: .'</p>');
668: }
669:
670: # If we're showing links, show a checkbox to open in new
671: # windows.
672: if ($show_links ne 'no') {
673: my $labeltext = &mt('Show links in new window');
674: $r->print(<<NEW_WINDOW_CHECKBOX);
675: <script type="text/javascript">new_window = true;</script>
676: <p><label>
677: <input type="checkbox" checked="checked" onclick="new_window=this.checked" />
678: $labeltext
679: </label></p>
680: NEW_WINDOW_CHECKBOX
681: }
682:
683: #
684: $r->print("<h3>".$env{'course.'.$env{'request.course.id'}.'.description'}.
685: " ".&Apache::lonlocal::locallocaltime(time)."</h3>");
686: #
687: if ($chosen_output->{'base'} !~ /^final table/) {
688: $r->print("<h3>".&mt($chosen_output->{'shortdesc'})."</h3>");
689: }
690: my $Str = "<pre>\n";
691: # First, the @StudentData fields need to be listed
692: my @to_show = &get_student_fields_to_show();
693: foreach my $field (@to_show) {
694: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
695: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
696: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
697: $Str .= $title.' 'x($width-$base).$padding;
698: }
699: #
700: # Compute the column widths and output the sequence titles
701: my $total_count;
702: #
703: # Compute sequence widths
704: my $starttime = Time::HiRes::time;
705: foreach my $seq (@sequences) {
706: my $symb = $seq->symb;
707: my $title = $seq->compTitle;
708: $width{$symb}->{'width_sum'} = 0;
709: # Compute width of sum
710: if ($chosen_output->{'sequence_sum'}) {
711: if ($chosen_output->{'every_problem'}) {
712: # Use 1 digit for a space
713: $width{$symb}->{'width_sum'} += 1;
714: }
715: $total_count += &count_parts($navmap,$seq);
716: # Use 6 digits for the sum
717: $width{$symb}->{'width_sum'} += 6;
718: }
719: # Compute width of maximum
720: if ($chosen_output->{'sequence_max'}) {
721: if ($width{$symb}->{'width_sum'}>0) {
722: # One digit for the '/'
723: $width{$symb}->{'width_sum'} +=1;
724: }
725: # Use 6 digits for the total
726: $width{$symb}->{'width_sum'}+=6;
727: }
728: #
729: if ($chosen_output->{'every_problem'}) {
730: # one problem per digit
731: $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
732: $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
733: } else {
734: $width{$symb}->{'width_problem'} = 0;
735: }
736: $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
737: $width{$symb}->{'width_sum'};
738: if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
739: $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
740: }
741: #
742: # Output the sequence titles
743: $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
744: length($title)
745: )).$padding;
746: }
747: $total_sum_width = length($total_count);
748: if ($total_sum_width < 6) {
749: $total_sum_width = 6;
750: }
751: $Str .= " total</pre>\n";
752: $Str .= "<pre>";
753:
754: $r->print(<<JS);
755: <script type="text/javascript">
756: // get the left offset of a given widget as an absolute position
757: function getLeftOffset (element) {
758: return collect(element, "offsetLeft");
759: }
760:
761: // get the top offset of a given widget as an absolute position
762: function getTopOffset (element) {
763: return collect(element, "offsetTop");
764: }
765:
766: function collect(element, att) {
767: var val = 0;
768: while(element) {
769: val += element[att];
770: element = element.offsetParent;
771: }
772: return val;
773: }
774:
775: var currentDiv;
776: var currentElement;
777: function popup_score(element, score) {
778: popdown_score();
779: var left = getLeftOffset(element);
780: var top = getTopOffset(element);
781: var div = document.createElement("div");
782: div.className = "LC_chrt_popup";
783: div.appendChild(document.createTextNode(score));
784: div.style.position = "absolute";
785: div.style.top = (top - 25) + "px";
786: div.style.left = (left - 10) + "px";
787: currentDiv = div;
788: document.body.insertBefore(div, document.body.childNodes[0]);
789: element.className = "LC_chrt_popup_up";
790: currentElement = element;
791: }
792:
793: function popdown_score() {
794: if (currentDiv) {
795: document.body.removeChild(currentDiv);
796: }
797: if (currentElement) {
798: currentElement.className = 'LC_chrt_popup_exists';
799: }
800: currentDiv = undefined;
801: }
802: </script>
803: JS
804:
805: #
806: # Let the user know what we are doing
807: my $studentcount = scalar(@Apache::lonstatistics::Students);
808: if ($env{'form.SelectedStudent'}) {
809: $studentcount = '1';
810: }
811: #
812: # Initialize progress window
813: #
814: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$studentcount);
815: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
816: 'Processing first student');
817: $r->print($Str);
818: $r->rflush();
819:
820: return;
821: }
822:
823: sub html_outputstudent {
824: my ($r,$student) = @_;
825: my $Str = '';
826: return if (! defined($navmap));
827: #
828: if($count++ % 5 == 0 && $count > 0) {
829: # $r->print("</pre><pre>");
830: $r->print('</pre>');
831: &Apache::lonhtmlcommon::Increment_PrgWin(
832: $r,\%prog_state,'last five students',5);
833: $r->rflush();
834: $r->print('<pre>');
835: }
836: # First, the @StudentData fields need to be listed
837: my @to_show = &get_student_fields_to_show();
838: foreach my $field (@to_show) {
839: my $title=$student->{$field};
840: # Deal with 'comments' - how I love special cases
841: if ($field eq 'comments') {
842: $title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
843: }
844: utf8::decode($title);
845: my $base = length($title);
846: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
847: $Str .= $title.' 'x($width-$base).$padding;
848: }
849: # Get ALL the students data
850: my %StudentsData;
851: my @tmp = &Apache::loncoursedata::get_current_state
852: ($student->{'username'},$student->{'domain'},undef,
853: $env{'request.course.id'});
854: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:(.*)/)) {
855: %StudentsData = @tmp;
856: } else {
857: my $error = $1;
858: if (scalar(@tmp) < 1) {
859: $Str .= '<span class="LC_warning">'
860: .&mt('No Course Data')
861: .'</span>'."\n";
862: } else {
863: $Str .= '<span class="LC_error">'
864: .&mt('Error getting student data ([_1])',$error)
865: .'</span>'."\n";
866: }
867: $nodata_count++;
868: $r->print($Str);
869: $r->rflush();
870: return;
871: }
872: #
873: # By sequence build up the data
874: my $studentstats;
875: my $PerformanceStr = '';
876: foreach my $seq (@sequences) {
877: my $symb = $seq->symb;
878: my $randompick = $seq->randompick();
879: my ($performance,$performance_length,$score,$seq_max,$rawdata);
880: if ($chosen_output->{'tries'}) {
881: ($performance,$performance_length,$score,$seq_max,$rawdata) =
882: &student_tries_on_sequence($student,\%StudentsData,
883: $navmap,$seq,$show_links,$randompick);
884: } else {
885: ($performance,$performance_length,$score,$seq_max,$rawdata) =
886: &student_performance_on_sequence($student,\%StudentsData,
887: $navmap,$seq,$show_links,
888: $chosen_output->{ignore_weight},
889: $randompick);
890: }
891: my $ratio='';
892: if ($chosen_output->{'every_problem'} &&
893: $chosen_output->{'sequence_sum'}) {
894: $ratio .= ' ';
895: }
896: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
897: my $score .= sprintf("%3.2f",$score);
898: $ratio .= (' 'x(6-length($score))).$score;
899: } elsif($chosen_output->{'sequence_sum'}) {
900: $ratio .= ' 'x6;
901: }
902: if ($chosen_output->{'sequence_max'}) {
903: if ($chosen_output->{'sequence_sum'}) {
904: $ratio .= '/';
905: }
906: my $sequence_total=sprintf("%3.2f",$seq_max);
907: $ratio .= $sequence_total.(' 'x(6-length($sequence_total)));
908: }
909: #
910: if (! $chosen_output->{'every_problem'}) {
911: $performance = '';
912: $performance_length=0;
913: }
914: $performance .= ' 'x($width{$symb}->{'width_total'} -
915: $performance_length -
916: $width{$symb}->{'width_sum'}).
917: $ratio;
918: #
919: $Str .= $performance.$padding;
920: #
921: $studentstats->{$symb}->{'score'}= $score;
922: $studentstats->{$symb}->{'max'} = $seq_max;
923: }
924: #
925: # Total it up and store the statistics info.
926: my ($score,$max);
927: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
928: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
929: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
930: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
931: }
932: if ($seq_stats->{'score'} ne ' ') {
933: $score += $seq_stats->{'score'};
934: $Statistics->{$symb}->{'num_students'}++;
935: }
936: $max += $seq_stats->{'max'};
937: }
938: if (! defined($score)) {
939: $score = ' ' x $total_sum_width;
940: } else {
941: $score = sprintf("%.2f",$score);
942: $score = (' 'x(6-length($score))).$score;
943: }
944: $max = sprintf("%.2f",$max);
945: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
946: $Str .= " \n";
947: #
948: $r->print($Str);
949: #
950: # $r->rflush();
951: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
952: return;
953: }
954:
955: sub html_finish {
956: my ($r) = @_;
957: return if (! defined($navmap));
958: #
959: # Check for suppressed output and close the progress window if so
960: $r->print("</pre>\n");
961: if ($chosen_output->{'summary_table'}) {
962: if ($single_student_mode) {
963: $r->print(&SingleStudentTotal());
964: } else {
965: $r->print(&StudentAverageTotal());
966: }
967: }
968: $r->rflush();
969: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
970: &html_cleanup();
971: return;
972: }
973:
974: sub StudentAverageTotal {
975: my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
976: $Str .= &Apache::loncommon::start_data_table();
977: $Str .= &Apache::loncommon::start_data_table_header_row().
978: '<th>'.&mt('Title').'</th>'.
979: '<th>'.&mt('Average').'</th>'.
980: '<th>'.&mt('Maximum').'</th>'.
981: &Apache::loncommon::end_data_table_header_row().$/;
982: foreach my $seq (@sequences) {
983: my $symb = $seq->symb;
984: my $ave;
985: my $num_students = $Statistics->{$symb}->{'num_students'};
986: if ($num_students > 0) {
987: $ave = int(100*
988: ($Statistics->{$symb}->{'score'}/$num_students)
989: )/100;
990: } else {
991: $ave = 0;
992: }
993: my $max = $Statistics->{$symb}->{'max'};
994: $ave = sprintf("%.2f",$ave);
995: $Str .= &Apache::loncommon::start_data_table_row().
996: '<td>'.$seq->compTitle.'</td>'.
997: '<td align="right">'.$ave.' </td>'.
998: '<td align="right">'.$max.' '.'</td>'.
999: &Apache::loncommon::end_data_table_row()."\n";
1000: }
1001: $Str .= &Apache::loncommon::end_data_table()."\n";
1002: return $Str;
1003: }
1004:
1005: sub SingleStudentTotal {
1006: return if (! defined($navmap));
1007: my $student = &Apache::lonstatistics::current_student();
1008: my $Str = '<h3>'.&mt('Summary table for [_1] ([_2])',
1009: $student->{'fullname'},
1010: $student->{'username'}.':'.$student->{'domain'}).'</h3>';
1011: $Str .= $/;
1012: $Str .= &Apache::loncommon::start_data_table()."\n";
1013: $Str .=
1014: &Apache::loncommon::start_data_table_header_row().
1015: '<th>'.&mt('Sequence or Folder').'</th>';
1016: if ($chosen_output->{'base'} eq 'tries') {
1017: $Str .= '<th>'.&mt('Parts Correct').'</th>';
1018: } else {
1019: $Str .= '<th>'.&mt('Score').'</th>';
1020: }
1021: $Str .= '<th>'.&mt('Maximum').'</th>'.
1022: &Apache::loncommon::end_data_table_header_row()."\n";
1023: my $total = 0;
1024: my $total_max = 0;
1025: foreach my $seq (@sequences) {
1026: my $value = $Statistics->{$seq->symb}->{'score'};
1027: my $max = $Statistics->{$seq->symb}->{'max'};
1028: $Str .= &Apache::loncommon::start_data_table_row().
1029: '<td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
1030: '<td align="right">'.$value.'</td>'.
1031: '<td align="right">'.$max.'</td>'.
1032: &Apache::loncommon::end_data_table_row()."\n";
1033: $total += $value;
1034: $total_max +=$max;
1035: }
1036: $Str .= &Apache::loncommon::start_data_table_row().
1037: '<td><b>'.&mt('Total').'</b></td>'.
1038: '<td align="right">'.$total.'</td>'.
1039: '<td align="right">'.$total_max.'</td>'.
1040: &Apache::loncommon::end_data_table_row()."\n";
1041: $Str .= &Apache::loncommon::end_data_table()."\n";
1042: return $Str;
1043: }
1044:
1045: }
1046:
1047: #######################################################
1048: #######################################################
1049:
1050: =pod
1051:
1052: =head2 EXCEL subroutines
1053:
1054: =item &excel_initialize($r)
1055:
1056: =item &excel_outputstudent($r,$student)
1057:
1058: =item &excel_finish($r)
1059:
1060: =cut
1061:
1062: #######################################################
1063: #######################################################
1064: {
1065:
1066: my $excel_sheet;
1067: my $excel_workbook;
1068: my $format;
1069:
1070: my $filename;
1071: my $rows_output;
1072: my $cols_output;
1073:
1074: my %prog_state; # progress window state
1075: my $request_aborted;
1076:
1077: my $total_formula;
1078: my $maximum_formula;
1079: my %formula_data;
1080:
1081: my $navmap;
1082: my @sequences;
1083:
1084: sub excel_cleanup {
1085: #
1086: undef ($excel_sheet);
1087: undef ($excel_workbook);
1088: undef ($filename);
1089: undef ($rows_output);
1090: undef ($cols_output);
1091: undef (%prog_state);
1092: undef ($request_aborted);
1093: undef ($total_formula);
1094: undef ($maximum_formula);
1095: #
1096: undef(%formula_data);
1097: #
1098: undef($navmap);
1099: undef(@sequences);
1100: }
1101:
1102: sub excel_initialize {
1103: my ($r) = @_;
1104:
1105: &excel_cleanup();
1106: ($navmap,@sequences) =
1107: &Apache::lonstatistics::selected_sequences_with_assessments();
1108: if (! ref($navmap)) {
1109: # Unable to get data, so bail out
1110: $r->print('<p class="LC_error">'.
1111: &mt('Unable to retrieve course information.').
1112: '</p>');
1113: }
1114: #
1115: my $total_columns = scalar(&get_student_fields_to_show());
1116: my $num_students = scalar(@Apache::lonstatistics::Students);
1117: #
1118: foreach my $seq (@sequences) {
1119: if ($chosen_output->{'every_problem'}) {
1120: $total_columns+=&count_parts($navmap,$seq);
1121: }
1122: # Add 2 because we need a 'sequence_sum' and 'total' column for each
1123: $total_columns += 2;
1124: }
1125: my $too_many_cols_error_message =
1126: '<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
1127: '<p class="LC_warning">'.&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>'.$/.
1128: '<p>'.&mt('You may consider reducing the number of [_1]Sequences or Folders[_2] you have selected.','<b>','</b>').'</p>'.$/.
1129: '<p>'.&mt('LON-CAPA can produce [_1]CSV[_2] files of this data or Excel files of the [_1]Scores Summary[_2] data.','<b>','</b>').'</p>'.$/;
1130: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
1131: $r->print($too_many_cols_error_message);
1132: $request_aborted = 1;
1133: }
1134: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1135: $r->print($too_many_cols_error_message);
1136: $request_aborted = 1;
1137: }
1138: return if ($request_aborted);
1139: #
1140: #
1141: $excel_workbook = undef;
1142: $excel_sheet = undef;
1143: #
1144: $rows_output = 0;
1145: $cols_output = 0;
1146: #
1147: # Determine rows
1148: my $header_row = $rows_output++;
1149: my $description_row = $rows_output++;
1150: my $notes_row = $rows_output++;
1151: $rows_output++; # blank row
1152: my $summary_header_row;
1153: if ($chosen_output->{'summary_table'}) {
1154: $summary_header_row = $rows_output++;
1155: $rows_output+= scalar(@sequences);
1156: $rows_output++;
1157: }
1158: my $sequence_name_row = $rows_output++;
1159: my $resource_name_row = $rows_output++;
1160: my $maximum_data_row = $rows_output++;
1161: if (! $chosen_output->{'maximum_row'}) {
1162: $rows_output--;
1163: }
1164: my $first_data_row = $rows_output++;
1165: #
1166: # Create sheet
1167: ($excel_workbook,$filename,$format)=
1168: &Apache::loncommon::create_workbook($r);
1169: return if (! defined($excel_workbook));
1170: #
1171: # Add a worksheet
1172: my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'};
1173: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1174: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1175: #
1176: # Put the course description in the header
1177: $excel_sheet->write($header_row,$cols_output++,
1178: $env{'course.'.$env{'request.course.id'}.'.description'},
1179: $format->{'h1'});
1180: $cols_output += 3;
1181: #
1182: # Put a description of the sections listed
1183: my $sectionstring = '';
1184: my @Sections = &Apache::lonstatistics::get_selected_sections();
1185: $excel_sheet->write($header_row,$cols_output++,
1186: &Apache::lonstatistics::section_and_enrollment_description('localized'),
1187: $format->{'h3'});
1188: #
1189: # Put the date in there too
1190: $excel_sheet->write($header_row,$cols_output++,
1191: &mt('Compiled on [_1]',&Apache::lonlocal::locallocaltime(time)),$format->{'h3'});
1192: #
1193: $cols_output = 0;
1194: $excel_sheet->write($description_row,$cols_output++,
1195: &mt($chosen_output->{'shortdesc'}),
1196: $format->{'b'});
1197: #
1198: $cols_output = 0;
1199: $excel_sheet->write($notes_row,$cols_output++,
1200: $chosen_output->{'non_html_notes'},
1201: $format->{'i'});
1202:
1203: ##############################################
1204: # Output headings for the raw data
1205: ##############################################
1206: #
1207: # Add the student headers
1208: $cols_output = 0;
1209: foreach my $field (&get_student_fields_to_show()) {
1210: $excel_sheet->write($resource_name_row,$cols_output++,&mt($field),
1211: $format->{'bold'});
1212: }
1213: #
1214: # Add the remaining column headers
1215: my $total_formula_string = '=0';
1216: my $maximum_formula_string = '=0';
1217: foreach my $seq (@sequences) {
1218: my $symb = $seq->symb;
1219: $excel_sheet->write($sequence_name_row,,
1220: $cols_output,$seq->compTitle,$format->{'bold'});
1221: # Determine starting cell
1222: $formula_data{$symb}->{'Excel:startcell'}=
1223: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1224: ($first_data_row,$cols_output);
1225: $formula_data{$symb}->{'Excel:startcol'}=$cols_output;
1226: my $count = 0;
1227: if ($chosen_output->{'every_problem'}) {
1228: # Put the names of the problems and parts into the sheet
1229: foreach my $res (&get_resources($navmap,$seq)) {
1230: if (scalar(@{$res->parts}) > 1) {
1231: foreach my $part (@{$res->parts}) {
1232: $excel_sheet->write($resource_name_row,
1233: $cols_output++,
1234: $res->compTitle.' part '.$res->part_display($part),
1235: $format->{'bold'});
1236: $count++;
1237: }
1238: } else {
1239: $excel_sheet->write($resource_name_row,
1240: $cols_output++,
1241: $res->compTitle,$format->{'bold'});
1242: $count++;
1243: }
1244: }
1245: }
1246: # Determine ending cell
1247: if ($count <= 1) {
1248: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1249: $formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'};
1250: } else {
1251: $formula_data{$symb}->{'Excel:endcell'} =
1252: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1253: ($first_data_row,$cols_output-1);
1254: $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
1255: }
1256: # Create the formula for summing up this sequence
1257: if (! exists($formula_data{$symb}->{'Excel:endcell'}) ||
1258: ! defined($formula_data{$symb}->{'Excel:endcell'})) {
1259: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1260: }
1261:
1262: my $start = $formula_data{$symb}->{'Excel:startcell'};
1263: my $end = $formula_data{$symb}->{'Excel:endcell'};
1264: $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
1265: ("=IF(COUNT($start\:$end),SUM($start\:$end),\"\")");
1266: # Determine cell the score is held in
1267: $formula_data{$symb}->{'Excel:scorecell'} =
1268: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1269: ($first_data_row,$cols_output);
1270: $formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
1271: if ($chosen_output->{'base'} eq 'parts correct total') {
1272: $excel_sheet->write($resource_name_row,$cols_output++,
1273: &mt('parts correct'),
1274: $format->{'bold'});
1275: } elsif ($chosen_output->{'sequence_sum'}) {
1276: if ($chosen_output->{'correct'}) {
1277: # Only reporting the number correct, so do not call it score
1278: $excel_sheet->write($resource_name_row,$cols_output++,
1279: &mt('sum'),
1280: $format->{'bold'});
1281: } else {
1282: $excel_sheet->write($resource_name_row,$cols_output++,
1283: &mt('score'),
1284: $format->{'bold'});
1285: }
1286: }
1287: #
1288: $total_formula_string.='+'.
1289: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1290: ($first_data_row,$cols_output-1);
1291: if ($chosen_output->{'sequence_max'}) {
1292: $excel_sheet->write($resource_name_row,$cols_output,
1293: &mt('maximum'),
1294: $format->{'bold'});
1295: $formula_data{$symb}->{'Excel:maxcell'} =
1296: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1297: ($first_data_row,$cols_output);
1298: $formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
1299: $maximum_formula_string.='+'.
1300: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1301: ($first_data_row,$cols_output);
1302: $cols_output++;
1303:
1304: }
1305: }
1306: if ($chosen_output->{'grand_total'}) {
1307: $excel_sheet->write($resource_name_row,$cols_output++,&mt('Total'),
1308: $format->{'bold'});
1309: }
1310: if ($chosen_output->{'grand_maximum'}) {
1311: $excel_sheet->write($resource_name_row,$cols_output++,&mt('Max. Total'),
1312: $format->{'bold'});
1313: }
1314: $total_formula = $excel_sheet->store_formula($total_formula_string);
1315: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1316: ##############################################
1317: # Output a row for MAX, if appropriate
1318: ##############################################
1319: if ($chosen_output->{'maximum_row'}) {
1320: $cols_output = 0;
1321: foreach my $field (&get_student_fields_to_show()) {
1322: if ($field eq 'username' || $field eq 'fullname' ||
1323: $field eq 'id') {
1324: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1325: $format->{'bold'});
1326: } else {
1327: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1328: }
1329: }
1330: #
1331: # Add the maximums for each sequence or assessment
1332: my %total_cell_translation;
1333: my %maximum_cell_translation;
1334: foreach my $seq (@sequences) {
1335: my $symb = $seq->symb;
1336: $cols_output=$formula_data{$symb}->{'Excel:startcol'};
1337: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
1338: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1339: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
1340: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
1341: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1342: ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
1343: my $weight;
1344: my $max = 0;
1345: foreach my $resource (&get_resources($navmap,$seq)) {
1346: foreach my $part (@{$resource->parts}){
1347: $weight = 1;
1348: if ($chosen_output->{'scores'}) {
1349: $weight = &Apache::lonnet::EXT
1350: ('resource.'.$part.'.weight',$resource->symb,
1351: undef,undef,undef);
1352: if (!defined($weight) || ($weight eq '')) {
1353: $weight=1;
1354: }
1355: }
1356: if ($chosen_output->{'scores'} &&
1357: $chosen_output->{'every_problem'}) {
1358: $excel_sheet->write($maximum_data_row,$cols_output++,
1359: $weight);
1360: }
1361: $max += $weight;
1362: }
1363: }
1364: #
1365: if ($chosen_output->{'sequence_sum'} &&
1366: $chosen_output->{'every_problem'}) {
1367: my %replaceCells=
1368: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
1369: $formula_data{$symb}->{'Excel:endcell'}.'$' =>
1370: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
1371: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
1372: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1373: $formula_data{$symb}->{'Excel:sum'},undef,
1374: %replaceCells, %replaceCells);
1375:
1376: } elsif ($chosen_output->{'sequence_sum'}) {
1377: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1378: }
1379: if ($chosen_output->{'sequence_max'}) {
1380: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1381: }
1382: #
1383: }
1384: if ($chosen_output->{'grand_total'}) {
1385: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1386: $total_formula,undef,
1387: %total_cell_translation);
1388: }
1389: if ($chosen_output->{'grand_maximum'}) {
1390: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1391: $maximum_formula,undef,
1392: %maximum_cell_translation);
1393: }
1394: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1395: $rows_output = $first_data_row;
1396: ##############################################
1397: # Output summary table, which actually is above the sequence name row.
1398: ##############################################
1399: if ($chosen_output->{'summary_table'}) {
1400: $cols_output = 0;
1401: $excel_sheet->write($summary_header_row,$cols_output++,
1402: &mt('Summary Table'),$format->{'bold'});
1403: if ($chosen_output->{'maximum_row'}) {
1404: $excel_sheet->write($summary_header_row,$cols_output++,
1405: &mt('Maximum'),$format->{'bold'});
1406: }
1407: $excel_sheet->write($summary_header_row,$cols_output++,
1408: &mt('Average'),$format->{'bold'});
1409: $excel_sheet->write($summary_header_row,$cols_output++,
1410: &mt('Median'),$format->{'bold'});
1411: $excel_sheet->write($summary_header_row,$cols_output++,
1412: &mt('Std Dev'),$format->{'bold'});
1413: my $row = $summary_header_row+1;
1414: foreach my $seq (@sequences) {
1415: my $symb = $seq->symb;
1416: $cols_output = 0;
1417: $excel_sheet->write($row,$cols_output++,
1418: $seq->compTitle,
1419: $format->{'bold'});
1420: if ($chosen_output->{'maximum_row'}) {
1421: $excel_sheet->write
1422: ($row,$cols_output++,
1423: '='.
1424: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1425: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
1426: );
1427: }
1428: my $range =
1429: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1430: ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
1431: ':'.
1432: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1433: ($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
1434: $excel_sheet->write($row,$cols_output++,
1435: '=AVERAGE('.$range.')');
1436: $excel_sheet->write($row,$cols_output++,
1437: '=MEDIAN('.$range.')');
1438: $excel_sheet->write($row,$cols_output++,
1439: '=STDEV('.$range.')');
1440: $row++;
1441: }
1442: }
1443: ##############################################
1444: # Take care of non-excel initialization
1445: ##############################################
1446: #
1447: # Let the user know what we are doing
1448: my $studentcount = scalar(@Apache::lonstatistics::Students);
1449: if ($env{'form.SelectedStudent'}) {
1450: $studentcount = '1';
1451: }
1452: $r->print('<p>'
1453: .&mt('Compiling Excel spreadsheet for [quant,_1,student]...',$studentcount)
1454: ."</p>\n"
1455: );
1456: $r->rflush();
1457: #
1458: # Initialize progress window
1459: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$studentcount);
1460: #
1461: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1462: 'Processing first student');
1463: return;
1464: }
1465:
1466: sub excel_outputstudent {
1467: my ($r,$student) = @_;
1468: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1469: return;
1470: }
1471: $cols_output=0;
1472: #
1473: # Write out student data
1474: my @to_show = &get_student_fields_to_show();
1475: foreach my $field (@to_show) {
1476: my $value = $student->{$field};
1477: if ($field eq 'comments') {
1478: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1479: ($student->{'username'},$student->{'domain'});
1480: }
1481: $excel_sheet->write($rows_output,$cols_output++,$value);
1482: }
1483: #
1484: # Get student assessment data
1485: my %StudentsData;
1486: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1487: $student->{'domain'},
1488: undef,
1489: $env{'request.course.id'});
1490: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1491: %StudentsData = @tmp;
1492: }
1493: #
1494: # Write out sequence scores and totals data
1495: my %total_cell_translation;
1496: my %maximum_cell_translation;
1497: foreach my $seq (@sequences) {
1498: my $symb = $seq->symb;
1499: my $randompick = $seq->randompick();
1500: $cols_output = $formula_data{$symb}->{'Excel:startcol'};
1501: # Keep track of cells to translate in total cell
1502: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
1503: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1504: ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
1505: # and maximum cell
1506: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
1507: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1508: ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
1509: #
1510: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1511: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1512: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1513: &student_tries_on_sequence($student,\%StudentsData,
1514: $navmap,$seq,'no',$randompick);
1515: } else {
1516: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1517: &student_performance_on_sequence($student,\%StudentsData,
1518: $navmap,$seq,'no',
1519: $chosen_output->{ignore_weight},
1520: $randompick);
1521: }
1522: if ($chosen_output->{'every_problem'}) {
1523: if ($chosen_output->{'correct'}) {
1524: # only indiciate if each item is correct or not
1525: foreach my $value (@$rawdata) {
1526: # positive means correct, 0 or negative means
1527: # incorrect
1528: $value = $value > 0 ? 1 : 0;
1529: $excel_sheet->write($rows_output,$cols_output++,$value);
1530: }
1531: } else {
1532: foreach my $value (@$rawdata) {
1533: if ($score eq ' ' || !defined($value)) {
1534: $cols_output++;
1535: } else {
1536: $excel_sheet->write($rows_output,$cols_output++,
1537: $value);
1538: }
1539: }
1540: }
1541: }
1542: if ($chosen_output->{'sequence_sum'} &&
1543: $chosen_output->{'every_problem'}) {
1544: # Write a formula for the sum of this sequence
1545: my %replaceCells=
1546: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
1547: =>
1548: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
1549: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
1550: );
1551: # The undef is for the format
1552: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1553: $formula_data{$symb}->{'Excel:sum'},undef,
1554: %replaceCells, %replaceCells);
1555: } elsif ($chosen_output->{'sequence_sum'}) {
1556: if ($score eq ' ') {
1557: $cols_output++;
1558: } else {
1559: $excel_sheet->write($rows_output,$cols_output++,$score);
1560: }
1561: }
1562: if ($chosen_output->{'sequence_max'}) {
1563: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1564: }
1565: }
1566: #
1567: if ($chosen_output->{'grand_total'}) {
1568: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1569: $total_formula,undef,
1570: %total_cell_translation);
1571: }
1572: if ($chosen_output->{'grand_maximum'}) {
1573: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1574: $maximum_formula,undef,
1575: %maximum_cell_translation);
1576: }
1577: #
1578: # Bookkeeping
1579: $rows_output++;
1580: $cols_output=0;
1581: #
1582: # Update the progress window
1583: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1584: return;
1585: }
1586:
1587: sub excel_finish {
1588: my ($r) = @_;
1589: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1590: &excel_cleanup();
1591: return;
1592: }
1593: #
1594: # Write the excel file
1595: $excel_workbook->close();
1596: #
1597: # Close the progress window
1598: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1599: #
1600: # Tell the user where to get their excel file
1601: $r->print('<br />'.
1602: '<a href="'.$filename.'">'.&mt('Your Excel spreadsheet').'</a>'."\n");
1603: $r->rflush();
1604: &excel_cleanup();
1605: return;
1606: }
1607:
1608: }
1609: #######################################################
1610: #######################################################
1611:
1612: =pod
1613:
1614: =head2 CSV output routines
1615:
1616: =item &csv_initialize($r)
1617:
1618: =item &csv_outputstudent($r,$student)
1619:
1620: =item &csv_finish($r)
1621:
1622: =cut
1623:
1624: #######################################################
1625: #######################################################
1626: {
1627:
1628: my $outputfile;
1629: my $filename;
1630: my $request_aborted;
1631: my %prog_state; # progress window state
1632: my $navmap;
1633: my @sequences;
1634:
1635: sub csv_cleanup {
1636: undef($outputfile);
1637: undef($filename);
1638: undef($request_aborted);
1639: undef(%prog_state);
1640: #
1641: undef($navmap);
1642: undef(@sequences);
1643: }
1644:
1645: sub csv_initialize{
1646: my ($r) = @_;
1647:
1648: &csv_cleanup();
1649: ($navmap,@sequences) =
1650: &Apache::lonstatistics::selected_sequences_with_assessments();
1651: if (! ref($navmap)) {
1652: # Unable to get data, so bail out
1653: $r->print('p class="LC_error">'.
1654: &mt('Unable to retrieve course information.').
1655: '</p>');
1656: }
1657: #
1658: # Deal with unimplemented requests
1659: $request_aborted = undef;
1660: if ($chosen_output->{'base'} =~ /final table/) {
1661: $r->print(
1662: '<h2>'.&mt('Unable to Complete Request').'</h2>'
1663: .'<p class="LC_warning">'
1664: .&mt('The [_1]Summary Table (Scores)[_2] option'
1665: .' is not available for non-HTML output.','<b>','</b>')
1666: .'</p>'
1667: );
1668: $request_aborted = 1;
1669: }
1670: return if ($request_aborted);
1671: #
1672: # Initialize progress window
1673: my $studentcount = scalar(@Apache::lonstatistics::Students);
1674: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$studentcount);
1675: #
1676: # Open a file
1677: ($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv');
1678: if (! defined($outputfile)) { return ''; }
1679: #
1680: # Datestamp
1681: my $description = $env{'course.'.$env{'request.course.id'}.'.description'};
1682: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1683: '"'.&Apache::loncommon::csv_translate(scalar(&Apache::lonlocal::locallocaltime(time))).'"'.
1684: "\n";
1685: print $outputfile '"'.
1686: &Apache::loncommon::csv_translate
1687: (&Apache::lonstatistics::section_and_enrollment_description()).
1688: '"'."\n";
1689: foreach my $item ('shortdesc','non_html_notes') {
1690: next if (! exists($chosen_output->{$item}));
1691: print $outputfile
1692: '"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'.
1693: "\n";
1694: }
1695: #
1696: # Print out the headings
1697: my $sequence_row = '';
1698: my $resource_row = undef;
1699: foreach my $field (&get_student_fields_to_show()) {
1700: $sequence_row .='"",';
1701: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1702: }
1703: foreach my $seq (@sequences) {
1704: $sequence_row .= '"'.
1705: &Apache::loncommon::csv_translate($seq->compTitle).'",';
1706: my $count = 0;
1707: if ($chosen_output->{'every_problem'}) {
1708: foreach my $res (&get_resources($navmap,$seq)) {
1709: if (scalar(@{$res->parts}) < 1) {
1710: next;
1711: }
1712: foreach my $part (@{$res->parts}) {
1713: $resource_row .= '"'.
1714: &Apache::loncommon::csv_translate
1715: ($res->compTitle.', Part '.$res->part_display($part)).'",';
1716: $count++;
1717: }
1718: }
1719: }
1720: $sequence_row.='"",'x$count;
1721: if ($chosen_output->{'sequence_sum'}) {
1722: if($chosen_output->{'correct'}) {
1723: $resource_row .= '"'.&mt('sum').'",';
1724: } else {
1725: $resource_row .= '"'.&mt('score').'",';
1726: }
1727: }
1728: if ($chosen_output->{'sequence_max'}) {
1729: $sequence_row.= '"",';
1730: $resource_row .= '"'.&mt('maximum possible').'",';
1731: }
1732: }
1733: if ($chosen_output->{'grand_total'}) {
1734: $sequence_row.= '"",';
1735: $resource_row.= '"'.&mt('Total').'",';
1736: }
1737: if ($chosen_output->{'grand_maximum'}) {
1738: $sequence_row.= '"",';
1739: $resource_row.= '"'.&mt('Maximum').'",';
1740: }
1741: chomp($sequence_row);
1742: chomp($resource_row);
1743: print $outputfile $sequence_row."\n";
1744: print $outputfile $resource_row."\n";
1745: return;
1746: }
1747:
1748: sub csv_outputstudent {
1749: my ($r,$student) = @_;
1750: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1751: return;
1752: }
1753: my $Str = '';
1754: #
1755: # Output student fields
1756: my @to_show = &get_student_fields_to_show();
1757: foreach my $field (@to_show) {
1758: my $value = $student->{$field};
1759: if ($field eq 'comments') {
1760: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1761: ($student->{'username'},$student->{'domain'});
1762: }
1763: $Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
1764: }
1765: #
1766: # Get student assessment data
1767: my %StudentsData;
1768: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1769: $student->{'domain'},
1770: undef,
1771: $env{'request.course.id'});
1772: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1773: %StudentsData = @tmp;
1774: }
1775: #
1776: # Output performance data
1777: my $total = 0;
1778: my $maximum = 0;
1779: foreach my $seq (@sequences) {
1780: my $randompick = $seq->randompick();
1781: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1782: if ($chosen_output->{'tries'}){
1783: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1784: &student_tries_on_sequence($student,\%StudentsData,
1785: $navmap,$seq,'no',$randompick);
1786: } else {
1787: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1788: &student_performance_on_sequence($student,\%StudentsData,
1789: $navmap,$seq,'no',
1790: $chosen_output->{ignore_weight},
1791: $randompick);
1792: }
1793: if ($chosen_output->{'every_problem'}) {
1794: if ($chosen_output->{'correct'}) {
1795: $score = 0;
1796: # Deal with number of parts correct data
1797: $Str .= '"'.join('","',( map { if ($_>0) {
1798: $score += 1;
1799: 1;
1800: } else {
1801: 0;
1802: }
1803: } @$rawdata)).'",';
1804: } else {
1805: $Str .= '"'.join('","',(@$rawdata)).'",';
1806: }
1807: }
1808: if ($chosen_output->{'sequence_sum'}) {
1809: $Str .= '"'.$score.'",';
1810: }
1811: if ($chosen_output->{'sequence_max'}) {
1812: $Str .= '"'.$seq_max.'",';
1813: }
1814: $total+=$score;
1815: $maximum += $seq_max;
1816: }
1817: if ($chosen_output->{'grand_total'}) {
1818: $Str .= '"'.$total.'",';
1819: }
1820: if ($chosen_output->{'grand_maximum'}) {
1821: $Str .= '"'.$maximum.'",';
1822: }
1823: chop($Str);
1824: $Str .= "\n";
1825: print $outputfile $Str;
1826: #
1827: # Update the progress window
1828: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1829: return;
1830: }
1831:
1832: sub csv_finish {
1833: my ($r) = @_;
1834: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1835: &csv_cleanup();
1836: return;
1837: }
1838: close($outputfile);
1839: #
1840: # Close the progress window
1841: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1842: #
1843: # Tell the user where to get their csv file
1844: $r->print('<br />'.
1845: '<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
1846: $r->rflush();
1847: &csv_cleanup();
1848: return;
1849:
1850: }
1851:
1852: }
1853:
1854: # This function will return an HTML string including a star, with
1855: # a mouseover popup showing the "real" value. An optional second
1856: # argument lets you show something other than a star.
1857: sub show_star {
1858: my $popup = shift;
1859: my $symbol = shift || '*';
1860: # Escape the popup for JS.
1861: $popup =~ s/([^-a-zA-Z0-9:;,._ ()|!\/?=&*])/'\\' . sprintf("%lo", ord($1))/ge;
1862:
1863: return "<span class=\"LC_chrt_popup_exists\" onmouseover='popup_score(this, \"$popup\");return false;' onmouseout='popdown_score();return false;'>$symbol</span>";
1864: }
1865:
1866: #######################################################
1867: #######################################################
1868:
1869: =pod
1870:
1871: =item &StudentTriesOnSequence()
1872:
1873: Inputs:
1874:
1875: =over 4
1876:
1877: =item $student
1878:
1879: =item $studentdata Hash ref to all student data
1880:
1881: =item $seq Hash ref, the sequence we are working on
1882:
1883: =item $links if defined we will output links to each resource.
1884:
1885: =back
1886:
1887: =cut
1888:
1889: #######################################################
1890: #######################################################
1891: sub student_tries_on_sequence {
1892: my ($student,$studentdata,$navmap,$seq,$links,$randompick) = @_;
1893: $links = 'no' if (! defined($links));
1894: my $Str = '';
1895: my ($sum,$max) = (0,0);
1896: my $performance_length = 0;
1897: my @TriesData = ();
1898: my $tries;
1899: my $hasdata = 0; # flag - true if the student has any data on the sequence
1900: foreach my $resource (&get_resources($navmap,$seq)) {
1901: my $resource_data = $studentdata->{$resource->symb};
1902: my $value = '';
1903: foreach my $partnum (@{$resource->parts()}) {
1904: $tries = undef;
1905: $max++;
1906: $performance_length++;
1907: my $symbol = ' '; # default to space
1908: #
1909: my $awarded = 0;
1910: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1911: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1912: $awarded = 0 if (! $awarded);
1913: }
1914: #
1915: my $status = '';
1916: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1917: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1918: }
1919: #
1920: my $tries = 0;
1921: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1922: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1923: $hasdata =1;
1924: }
1925: #
1926: if ($awarded > 0) {
1927: # The student has gotten the problem correct to some degree
1928: if ($status eq 'excused') {
1929: $symbol = 'x';
1930: $max--;
1931: } elsif ($status eq 'correct_by_override' && !$resource->is_task()) {
1932: $symbol = '+';
1933: $sum++;
1934: } elsif ($tries > 0) {
1935: if ($tries > 9) {
1936: $symbol = show_star($tries);
1937: } else {
1938: $symbol = $tries;
1939: }
1940: $sum++;
1941: } else {
1942: $symbol = '+';
1943: $sum++;
1944: }
1945: } else {
1946: # The student has the problem incorrect or it is ungraded
1947: if ($status eq 'excused') {
1948: $symbol = 'x';
1949: $max--;
1950: } elsif ($status eq 'incorrect_by_override') {
1951: $symbol = '-';
1952: } elsif ($status eq 'ungraded_attempted') {
1953: $symbol = 'u';
1954: } elsif ($status eq 'incorrect_attempted' ||
1955: $tries > 0) {
1956: $symbol = '.';
1957: } else {
1958: # Problem is wrong and has not been attempted.
1959: $symbol=' ';
1960: }
1961: }
1962: #
1963: if (! defined($tries)) {
1964: $tries = 0;
1965: }
1966: if ($status =~ /^(incorrect|ungraded)/) {
1967: # Bug 3390: show '-' for tries on incorrect problems
1968: # (csv & excel only)
1969: push(@TriesData,-$tries);
1970: } else {
1971: push (@TriesData,$tries);
1972: }
1973: #
1974: if ( ($links eq 'yes' && $symbol ne ' ') ||
1975: ($links eq 'all')) {
1976: my $link = '/adm/grades'.
1977: '?symb='.&escape($resource->shown_symb).
1978: '&student='.$student->{'username'}.
1979: '&userdom='.$student->{'domain'}.
1980: '&command=submission';
1981: $symbol = &link($symbol, $link);
1982: }
1983: $value .= $symbol;
1984: }
1985: $Str .= $value;
1986: }
1987: if ($randompick) {
1988: $max = $randompick;
1989: }
1990: if (! $hasdata && $sum == 0) {
1991: $sum = ' ';
1992: }
1993: return ($Str,$performance_length,$sum,$max,\@TriesData);
1994: }
1995:
1996: =pod
1997:
1998: =item &link
1999:
2000: Inputs:
2001:
2002: =over 4
2003:
2004: =item $text
2005:
2006: =item $target
2007:
2008: =back
2009:
2010: Takes the text and creates a link to the $text that honors
2011: the value of 'new window' if clicked on, but uses a real
2012: 'href' so middle and right clicks still work.
2013:
2014: $target and $text are assumed to be already correctly escaped; i.e., it
2015: can be dumped out directly into the output stream as-is.
2016:
2017: =cut
2018:
2019: sub link {
2020: my ($text,$target) = @_;
2021: return
2022: "<a href='$target' onclick=\"t=this.href;if(new_window)"
2023: ."{window.open(t)}else{return void(window."
2024: ."location=t)};return false;\">$text</a>";
2025: }
2026:
2027: #######################################################
2028: #######################################################
2029:
2030: =pod
2031:
2032: =item &student_performance_on_sequence
2033:
2034: Inputs:
2035:
2036: =over 4
2037:
2038: =item $student
2039:
2040: =item $studentdata Hash ref to all student data
2041:
2042: =item $seq Hash ref, the sequence we are working on
2043:
2044: =item $links if defined we will output links to each resource.
2045:
2046: =back
2047:
2048: =cut
2049:
2050: #######################################################
2051: #######################################################
2052: sub student_performance_on_sequence {
2053: my ($student,$studentdata,$navmap,$seq,$links,$awarded_only,$randompick) = @_;
2054: $links = 'no' if (! defined($links));
2055: my $Str = ''; # final result string
2056: my ($score,$max) = (0,0);
2057: my $performance_length = 0;
2058: my $symbol;
2059: my @ScoreData = ();
2060: my $partscore;
2061: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
2062: my %ptsfreq;
2063: foreach my $resource (&get_resources($navmap,$seq)) {
2064: my $symb = $resource->symb;
2065: my $resource_data = $studentdata->{$symb};
2066: my $resmax = 0;
2067: foreach my $part (@{$resource->parts()}) {
2068: $partscore = undef;
2069: my $weight;
2070: if (!$awarded_only){
2071: $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
2072: $symb,
2073: $student->{'domain'},
2074: $student->{'username'},
2075: $student->{'section'});
2076: }
2077: if (!defined($weight) || ($weight eq '')) {
2078: $weight=1;
2079: }
2080: #
2081: $max += $weight; # see the 'excused' branch below...
2082: $resmax += $weight;
2083: $performance_length++; # one character per part
2084: $symbol = ' '; # default to space
2085: #
2086: my $awarded;
2087: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
2088: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
2089: $awarded = 0 if (! $awarded);
2090: $hasdata = 1;
2091: }
2092: #
2093: $partscore = &Apache::grades::compute_points($weight,$awarded);
2094: if (! defined($awarded)) {
2095: $partscore = undef;
2096: }
2097: $score += $partscore;
2098: $symbol = $partscore;
2099: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
2100: $symbol = sprintf("%.0f",$symbol);
2101: }
2102: if (length($symbol) > 1) {
2103: $symbol = show_star($symbol);
2104: }
2105: if (exists($resource_data->{'resource.'.$part.'.solved'}) &&
2106: $resource_data->{'resource.'.$part.'.solved'} ne '') {
2107: my $status = $resource_data->{'resource.'.$part.'.solved'};
2108: if ($status eq 'excused') {
2109: $symbol = 'x';
2110: $max -= $weight; # Do not count 'excused' problems.
2111: } elsif ($status eq 'ungraded_attempted') {
2112: $symbol = 'u';
2113: }
2114: $hasdata = 1;
2115: } elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') {
2116: $symbol = 'd';
2117: $hasdata = 1;
2118: } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
2119: # Unsolved. Did they try?
2120: if (exists($resource_data->{'resource.'.$part.'.tries'})){
2121: $symbol = '.';
2122: $hasdata = 1;
2123: } else {
2124: $symbol = ' ';
2125: }
2126: }
2127: #
2128: if (! defined($partscore)) {
2129: $partscore = $symbol;
2130: }
2131: push (@ScoreData,$partscore);
2132: #
2133: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
2134: my $link = '/adm/grades' .
2135: '?symb='.&escape($resource->shown_symb).
2136: '&student='.$student->{'username'}.
2137: '&userdom='.$student->{'domain'}.
2138: '&command=submission';
2139: $symbol = &link($symbol, $link);
2140: }
2141: $Str .= $symbol;
2142: }
2143: if ($ptsfreq{$resmax}) {
2144: $ptsfreq{$resmax} ++;
2145: } else {
2146: $ptsfreq{$resmax} = 1;
2147: }
2148: }
2149: if ($randompick) {
2150: my @uniquetotals = keys(%ptsfreq);
2151: if ((@uniquetotals == 1) && ($ptsfreq{$uniquetotals[0]} > 0)) {
2152: $max = $max * $randompick/$ptsfreq{$uniquetotals[0]};
2153: }
2154: }
2155: if (! $hasdata && $score == 0) {
2156: $score = ' ';
2157: }
2158: return ($Str,$performance_length,$score,$max,\@ScoreData);
2159: }
2160:
2161: #######################################################
2162: #######################################################
2163:
2164: =pod
2165:
2166: =item &CreateLegend()
2167:
2168: This function returns a formatted string containing the legend for the
2169: chart. The legend describes the symbols used to represent grades for
2170: problems.
2171:
2172: =cut
2173:
2174: #######################################################
2175: #######################################################
2176: sub CreateLegend {
2177: my $Str = "<p><pre>".
2178: " digit score or number of tries to get correct ".
2179: " * correct by student in more than 9 tries\n".
2180: " + correct by hand grading or override\n".
2181: " - incorrect by override\n".
2182: " . incorrect attempted\n".
2183: " u ungraded attempted\n".
2184: " d draft answer saved but not submitted\n".
2185: " not attempted (blank field)\n".
2186: " x excused".
2187: "</pre><p>";
2188: return $Str;
2189: }
2190:
2191: #######################################################
2192: #######################################################
2193:
2194: =pod
2195:
2196: =back
2197:
2198: =cut
2199:
2200: #######################################################
2201: #######################################################
2202:
2203: 1;
2204:
2205: __END__
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