1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.162.2.1 2012/02/17 21:49:58 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::lonhtmlcommon();
55: use Apache::loncommon();
56: use Apache::loncoursedata;
57: use Apache::lonnet; # for logging porpoises
58: use Apache::lonlocal;
59: use Apache::grades();
60: use Apache::lonmsgdisplay();
61: use Time::HiRes;
62: use Spreadsheet::WriteExcel;
63: use Spreadsheet::WriteExcel::Utility();
64: use lib '/home/httpd/lib/perl/';
65: use LONCAPA;
66:
67:
68: #######################################################
69: #######################################################
70: =pod
71:
72: =item Package Variables
73:
74: =over 4
75:
76: =item $Statistics Hash ref to store student data. Indexed by symb,
77: contains hashes with keys 'score' and 'max'.
78:
79: =cut
80:
81: #######################################################
82: #######################################################
83:
84: my $Statistics;
85:
86: #######################################################
87: #######################################################
88:
89: =pod
90:
91: =item $show_links 'yes' or 'no' for linking to student performance data
92:
93: =item $output_mode 'html', 'excel', or 'csv' for output mode
94:
95: =item $show 'all', 'totals', or 'scores' determines how much data is output
96:
97: =item $single_student_mode evaluates to true if we are showing only one
98: student.
99:
100: =cut
101:
102: #######################################################
103: #######################################################
104: my $show_links;
105: my $output_mode;
106: my $chosen_output;
107: my $single_student_mode;
108:
109: #######################################################
110: #######################################################
111: # End of package variable declarations
112:
113: =pod
114:
115: =back
116:
117: =cut
118:
119: #######################################################
120: #######################################################
121:
122: =pod
123:
124: =item &BuildStudentAssessmentPage()
125:
126: Inputs:
127:
128: =over 4
129:
130: =item $r Apache Request
131:
132: =item $c Apache Connection
133:
134: =back
135:
136: =cut
137:
138: #######################################################
139: #######################################################
140: sub BuildStudentAssessmentPage {
141: my ($r,$c)=@_;
142: #
143: undef($Statistics);
144: undef($show_links);
145: undef($output_mode);
146: undef($chosen_output);
147: undef($single_student_mode);
148: #
149: my %Saveable_Parameters = ('Status' => 'scalar',
150: 'chartoutputmode' => 'scalar',
151: 'chartoutputdata' => 'scalar',
152: 'Section' => 'array',
153: 'Groups' => 'array',
154: 'StudentData' => 'array',
155: 'Maps' => 'array');
156: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
157: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
158: #
159: &Apache::lonstatistics::PrepareClasslist();
160: #
161: $single_student_mode = 0;
162: $single_student_mode = 1 if ($env{'form.SelectedStudent'});
163: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
164: ['selectstudent']);
165: if ($env{'form.selectstudent'}) {
166: &Apache::lonstatistics::DisplayClasslist($r);
167: return;
168: }
169: #
170: # Print out the HTML headers for the interface
171: # This also parses the output mode selector
172: # This step must *always* be done.
173: $r->print(&CreateInterface());
174: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
175: $r->print('<input type="hidden" name="sort" value="'.
176: $env{'form.sort'}.'" />');
177: $r->rflush();
178: #
179: if (! exists($env{'form.notfirstrun'}) && ! $single_student_mode) {
180: return;
181: }
182: $r->print('<h4>'.
183: &Apache::lonstatistics::section_and_enrollment_description().
184: '</h4>');
185: #
186: my $initialize = \&html_initialize;
187: my $output_student = \&html_outputstudent;
188: my $finish = \&html_finish;
189: #
190: if ($output_mode eq 'excel') {
191: $initialize = \&excel_initialize;
192: $output_student = \&excel_outputstudent;
193: $finish = \&excel_finish;
194: } elsif ($output_mode eq 'csv') {
195: $initialize = \&csv_initialize;
196: $output_student = \&csv_outputstudent;
197: $finish = \&csv_finish;
198: }
199: #
200: if($c->aborted()) { return ; }
201: #
202: # Determine which students we want to look at
203: my @Students;
204: if ($single_student_mode) {
205: @Students = (&Apache::lonstatistics::current_student());
206: $r->print(&next_and_previous_buttons());
207: $r->rflush();
208: } else {
209: @Students = @Apache::lonstatistics::Students;
210: }
211: #
212: # Perform generic initialization tasks
213: # Since we use lonnet::EXT to retrieve problem weights,
214: # to ensure current data we must clear the caches out.
215: # This makes sure that parameter changes at the student level
216: # are immediately reflected in the chart.
217: &Apache::lonnet::clear_EXT_cache_status();
218: #
219: # Clean out loncoursedata's package data, just to be safe.
220: &Apache::loncoursedata::clear_internal_caches();
221: #
222: # Call the initialize routine selected above
223: $initialize->($r);
224: foreach my $student (@Students) {
225: if($c->aborted()) {
226: $finish->($r);
227: return ;
228: }
229: # Call the output_student routine selected above
230: $output_student->($r,$student);
231: }
232: # Call the "finish" routine selected above
233: $finish->($r);
234: #
235: return;
236: }
237:
238: #######################################################
239: #######################################################
240: sub next_and_previous_buttons {
241: my $Str = '';
242: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
243: $env{'form.SelectedStudent'}.'" />';
244: #
245: # Build the previous student link
246: my $previous = &Apache::lonstatistics::previous_student();
247: my $previousbutton = '';
248: if (defined($previous)) {
249: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
250: $previousbutton .= '<input type="button" value="'.
251: &mt('Previous Student ([_1])',
252: $previous->{'username'}.':'.$previous->{'domain'}).
253: '" onclick="document.Statistics.SelectedStudent.value='.
254: "'".$sname."'".';'.
255: 'document.Statistics.submit();" />';
256: } else {
257: $previousbutton .= '<input type="button" value="'.
258: &mt('Previous Student').'" disabled="disabled" />';
259: }
260: #
261: # Build the next student link
262: my $next = &Apache::lonstatistics::next_student();
263: my $nextbutton = '';
264: if (defined($next)) {
265: my $sname = $next->{'username'}.':'.$next->{'domain'};
266: $nextbutton .= '<input type="button" value="'.
267: &mt('Next Student ([_1])',
268: $next->{'username'}.':'.$next->{'domain'}).
269: '" onclick="document.Statistics.SelectedStudent.value='.
270: "'".$sname."'".';'.
271: 'document.Statistics.submit();" />';
272: } else {
273: $nextbutton .= '<input type="button" value="'.
274: &mt('Next Student').'" disabled="disabled" />';
275: }
276: #
277: # Build the 'all students' button
278: my $all = '';
279: $all .= '<input type="button" value="'.&mt('All Students').'" '.
280: '" onclick="document.Statistics.SelectedStudent.value='.
281: "''".';'.'document.Statistics.submit();" />';
282: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
283: return $Str;
284: }
285:
286: #######################################################
287: #######################################################
288:
289: sub get_student_fields_to_show {
290: my @to_show = @Apache::lonstatistics::SelectedStudentData;
291: foreach (@to_show) {
292: if ($_ eq 'all') {
293: @to_show = @Apache::lonstatistics::StudentDataOrder;
294: last;
295: }
296: }
297: return @to_show;
298: }
299:
300: #######################################################
301: #######################################################
302:
303: =pod
304:
305: =item &CreateInterface()
306:
307: Called by &BuildStudentAssessmentPage to create the top part of the
308: page which displays the chart.
309:
310: Inputs: None
311:
312: Returns: A string containing the HTML for the headers and top table for
313: the chart page.
314:
315: =cut
316:
317: #######################################################
318: #######################################################
319: sub CreateInterface {
320: my $Str = '';
321: $Str .= &Apache::lonhtmlcommon::breadcrumbs('Chart','Chart_Description:Chart_Sections:Chart_Student_Data:Chart_Enrollment_Status:Chart_Sequences:Chart_Output_Formats:Chart_Output_Data');
322: # $Str .= &CreateLegend();
323: $Str .= '<table cellspacing="5">'."\n";
324: $Str .= '<tr>';
325: $Str .= '<td align="center"><b>'.&mt('Sections').'</b>'.
326: &Apache::loncommon::help_open_topic("Chart_Sections").
327: '</td>';
328: $Str .= '<td align="center"><b>'.&mt('Groups').'</b>'.
329: '</td>';
330: $Str .= '<td align="center"><b>'.&mt('Student Data').'</b>'.
331: &Apache::loncommon::help_open_topic("Chart_Student_Data").
332: '</td>';
333: $Str .= '<td align="center"><b>'.&mt('Access Status').'</b>'.
334: &Apache::loncommon::help_open_topic("Chart_Enrollment_Status").
335: '</td>';
336: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b>'.
337: &Apache::loncommon::help_open_topic("Chart_Sequences").
338: '</td>';
339: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
340: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
341: '</td>';
342: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
343: &Apache::loncommon::help_open_topic("Chart_Output_Data").
344: '</td>';
345: $Str .= '</tr>'."\n";
346: #
347: $Str .= '<tr><td align="center">'."\n";
348: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
349: $Str .= '</td><td align="center">';
350: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
351: $Str .= '</td><td align="center">';
352: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
353: 5,undef);
354: $Str .= '</td><td>'."\n";
355: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
356: $Str .= '</td><td>'."\n";
357: $Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5);
358: $Str .= '</td><td>'."\n";
359: $Str .= &CreateAndParseOutputSelector();
360: $Str .= '</td><td>'."\n";
361: $Str .= &CreateAndParseOutputDataSelector();
362: $Str .= '</td></tr>'."\n";
363: $Str .= '</table>'."\n";
364: $Str .= '<p>'
365: .&mt('Status:').' '
366: .'<input type="text" name="stats_status" size="60" value="" readonly="readonly" />'
367: .'</p>';
368: $Str .= '<input type="submit" name="selectstudent" value="'.
369: &mt('Select One Student').'" />';
370: $Str .= ' 'x5;
371: $Str .= '<input type="submit" name="ClearCache" value="'.
372: &mt('Clear Caches').'" />';
373: $Str .= '<p>'
374: .'<input type="submit" name="Generate Chart"'
375: .' value="'.&mt('Generate Chart').'" />'
376: .'</p>';
377: return $Str;
378: }
379:
380: #######################################################
381: #######################################################
382:
383: =pod
384:
385: =item &CreateAndParseOutputSelector()
386:
387: =cut
388:
389: #######################################################
390: #######################################################
391: my @OutputOptions =
392: ({ name => 'HTML, with links',
393: value => 'html, with links',
394: description => 'Output HTML with each symbol linked to the problem '.
395: 'which generated it.',
396: mode => 'html',
397: show_links => 'yes',
398: },
399: { name => 'HTML, with all links',
400: value => 'html, with all links',
401: description => 'Output HTML with each symbol linked to the problem '.
402: 'which generated it. '.
403: 'This includes links for unattempted problems.',
404: mode => 'html',
405: show_links => 'all',
406: },
407: { name => 'HTML, without links',
408: value => 'html, without links',
409: description => 'Output HTML. By not including links, the size of the'.
410: ' web page is greatly reduced. If your browser crashes on the '.
411: 'full display, try this.',
412: mode => 'html',
413: show_links => 'no',
414: },
415: { name => 'Excel',
416: value => 'excel',
417: description => 'Output an Excel file (compatable with Excel 95).',
418: mode => 'excel',
419: show_links => 'no',
420: },
421: { name => 'CSV',
422: value => 'csv',
423: description => 'Output a comma separated values file suitable for '.
424: 'import into a spreadsheet program. Using this method as opposed '.
425: 'to Excel output allows you to organize your data before importing'.
426: ' it into a spreadsheet program.',
427: mode => 'csv',
428: show_links => 'no',
429: },
430: );
431:
432: sub OutputDescriptions {
433: my $Str = '';
434: $Str .= "<h2>Output Formats</h2>\n";
435: $Str .= "<dl>\n";
436: foreach my $outputmode (@OutputOptions) {
437: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
438: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
439: }
440: $Str .= "</dl>\n";
441: return $Str;
442: }
443:
444: sub CreateAndParseOutputSelector {
445: my $Str = '';
446: my $elementname = 'chartoutputmode';
447: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
448: [$elementname]);
449: #
450: # Format for output options is 'mode, restrictions';
451: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
452: $selected = 'html, without links' if (!$selected);
453:
454: #
455: # Set package variables describing output mode
456: $show_links = 'no';
457: $output_mode = 'html';
458: foreach my $option (@OutputOptions) {
459: next if ($option->{'value'} ne $selected);
460: $output_mode = $option->{'mode'};
461: $show_links = $option->{'show_links'};
462: }
463:
464: #
465: # Build the form element
466: $Str = qq/<select size="5" name="$elementname">/;
467: foreach my $option (@OutputOptions) {
468: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
469: $Str .= " selected " if ($option->{'value'} eq $selected);
470: $Str .= ">".&mt($option->{'name'})."<\/option>";
471: }
472: $Str .= "\n</select>";
473: return $Str;
474: }
475:
476: ##
477: ## Data selector stuff
478: ##
479: my @OutputDataOptions =
480: (
481: { name => 'Scores Summary',
482: base => 'scores',
483: value => 'sum and total',
484: scores => 1,
485: tries => 0,
486: every_problem => 0,
487: sequence_sum => 1,
488: sequence_max => 1,
489: grand_total => 1,
490: grand_maximum => 1,
491: summary_table => 1,
492: maximum_row => 1,
493: ignore_weight => 0,
494: shortdesc => 'Total Score and Maximum Possible for each '.
495: 'Sequence or Folder',
496: longdesc => 'The score of each student as well as the '.
497: ' maximum possible on each Sequence or Folder.',
498: },
499: { name => 'Scores Per Problem',
500: base => 'scores',
501: value => 'scores',
502: scores => 1,
503: tries => 0,
504: correct => 0,
505: every_problem => 1,
506: sequence_sum => 1,
507: sequence_max => 1,
508: grand_total => 1,
509: grand_maximum => 1,
510: summary_table => 1,
511: maximum_row => 1,
512: ignore_weight => 0,
513: shortdesc => 'Score on each Problem Part',
514: longdesc =>'The students score on each problem part, computed as'.
515: 'the part weight * part awarded',
516: },
517: { name =>'Tries',
518: base =>'tries',
519: value => 'tries',
520: scores => 0,
521: tries => 1,
522: correct => 0,
523: every_problem => 1,
524: sequence_sum => 0,
525: sequence_max => 0,
526: grand_total => 0,
527: grand_maximum => 0,
528: summary_table => 0,
529: maximum_row => 0,
530: ignore_weight => 0,
531: shortdesc => 'Number of Tries before success on each Problem Part',
532: longdesc =>'The number of tries before success on each problem part.',
533: non_html_notes => 'negative values indicate an incorrect problem',
534: },
535: { name =>'Parts Correct',
536: base =>'tries',
537: value => 'parts correct total',
538: scores => 0,
539: tries => 0,
540: correct => 1,
541: every_problem => 1,
542: sequence_sum => 1,
543: sequence_max => 1,
544: grand_total => 1,
545: grand_maximum => 1,
546: summary_table => 1,
547: maximum_row => 0,
548: ignore_weight => 1,
549: shortdesc => 'Number of Problem Parts completed successfully',
550: longdesc => 'The Number of Problem Parts completed successfully and '.
551: 'the maximum possible for each student',
552: },
553: );
554:
555: sub HTMLifyOutputDataDescriptions {
556: my $Str = '';
557: $Str .= '<h2>'.&mt('Output Data').'</h2>'."\n";
558: $Str .= "<dl>\n";
559: foreach my $option (@OutputDataOptions) {
560: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
561: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
562: }
563: $Str .= "</dl>\n";
564: return $Str;
565: }
566:
567: sub CreateAndParseOutputDataSelector {
568: my $Str = '';
569: my $elementname = 'chartoutputdata';
570: #
571: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
572: $selected = 'scores' if (!$selected);
573:
574: #
575: $chosen_output = $OutputDataOptions[0];
576: foreach my $option (@OutputDataOptions) {
577: if ($option->{'value'} eq $selected) {
578: $chosen_output = $option;
579: }
580: }
581: #
582: # Build the form element
583: $Str = qq/<select size="5" name="$elementname">/;
584: foreach my $option (@OutputDataOptions) {
585: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
586: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
587: $Str .= ">".&mt($option->{'name'})."<\/option>";
588: }
589: $Str .= "\n</select>";
590: return $Str;
591:
592: }
593:
594: #######################################################
595: #######################################################
596: sub count_parts {
597: my ($navmap,$sequence) = @_;
598: my @resources = &get_resources($navmap,$sequence);
599: my $count = 0;
600: foreach my $res (@resources) {
601: $count += scalar(@{$res->parts});
602: }
603: return $count;
604: }
605:
606: sub get_resources {
607: my ($navmap,$sequence) = @_;
608: my @resources = $navmap->retrieveResources($sequence,
609: sub { shift->is_problem(); },
610: 0,0,0);
611: return @resources;
612: }
613:
614: #######################################################
615: #######################################################
616:
617: =pod
618:
619: =head2 HTML output routines
620:
621: =item &html_initialize($r)
622:
623: Create labels for the columns of student data to show.
624:
625: =item &html_outputstudent($r,$student)
626:
627: Return a line of the chart for a student.
628:
629: =item &html_finish($r)
630:
631: =cut
632:
633: #######################################################
634: #######################################################
635: {
636: my $padding;
637: my $count;
638:
639: my $nodata_count; # The number of students for which there is no data
640: my %prog_state; # progress state used by loncommon PrgWin routines
641: my $total_sum_width;
642:
643: my %width; # Holds sequence width information
644: my @sequences;
645: my $navmap; # Have to keep this around since weakref is a bit zealous
646:
647: sub html_cleanup {
648: undef(%prog_state);
649: undef(%width);
650: #
651: undef($navmap);
652: undef(@sequences);
653: }
654:
655: sub html_initialize {
656: my ($r) = @_;
657: #
658: $padding = ' 'x3;
659: $count = 0;
660: $nodata_count = 0;
661: &html_cleanup();
662: ($navmap,@sequences) =
663: &Apache::lonstatistics::selected_sequences_with_assessments();
664: if (! ref($navmap)) {
665: # Unable to get data, so bail out
666: $r->print('<p class="LC_error">'
667: .&mt('Unable to retrieve course information.')
668: .'</p>');
669: }
670:
671: # If we're showing links, show a checkbox to open in new
672: # windows.
673: if ($show_links ne 'no') {
674: my $labeltext = &mt('Show links in new window');
675: $r->print(<<NEW_WINDOW_CHECKBOX);
676: <script type="text/javascript">new_window = true;</script>
677: <p><label>
678: <input type="checkbox" checked="checked" onclick="new_window=this.checked" />
679: $labeltext
680: </label></p>
681: NEW_WINDOW_CHECKBOX
682: }
683:
684: #
685: $r->print("<h3>".$env{'course.'.$env{'request.course.id'}.'.description'}.
686: " ".&Apache::lonlocal::locallocaltime(time)."</h3>");
687: #
688: if ($chosen_output->{'base'} !~ /^final table/) {
689: $r->print("<h3>".&mt($chosen_output->{'shortdesc'})."</h3>");
690: }
691: my $Str = "<pre>\n";
692: # First, the @StudentData fields need to be listed
693: my @to_show = &get_student_fields_to_show();
694: foreach my $field (@to_show) {
695: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
696: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
697: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
698: $Str .= $title.' 'x($width-$base).$padding;
699: }
700: #
701: # Compute the column widths and output the sequence titles
702: my $total_count;
703: #
704: # Compute sequence widths
705: my $starttime = Time::HiRes::time;
706: foreach my $seq (@sequences) {
707: my $symb = $seq->symb;
708: my $title = $seq->compTitle;
709: $width{$symb}->{'width_sum'} = 0;
710: # Compute width of sum
711: if ($chosen_output->{'sequence_sum'}) {
712: if ($chosen_output->{'every_problem'}) {
713: # Use 1 digit for a space
714: $width{$symb}->{'width_sum'} += 1;
715: }
716: $total_count += &count_parts($navmap,$seq);
717: # Use 6 digits for the sum
718: $width{$symb}->{'width_sum'} += 6;
719: }
720: # Compute width of maximum
721: if ($chosen_output->{'sequence_max'}) {
722: if ($width{$symb}->{'width_sum'}>0) {
723: # One digit for the '/'
724: $width{$symb}->{'width_sum'} +=1;
725: }
726: # Use 6 digits for the total
727: $width{$symb}->{'width_sum'}+=6;
728: }
729: #
730: if ($chosen_output->{'every_problem'}) {
731: # one problem per digit
732: $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
733: $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
734: } else {
735: $width{$symb}->{'width_problem'} = 0;
736: }
737: $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
738: $width{$symb}->{'width_sum'};
739: if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
740: $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
741: }
742: #
743: # Output the sequence titles
744: $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
745: length($title)
746: )).$padding;
747: }
748: $total_sum_width = length($total_count)+1;
749: $Str .= " total</pre>\n";
750: $Str .= "<pre>";
751: $r->print($Str);
752: $r->rflush();
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: $studentcount = '1';
810: }
811: #
812: # Initialize progress window
813: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
814: ($r,'HTML Chart Status',
815: 'HTML Chart Progress', $studentcount,
816: 'inline',undef,'Statistics','stats_status');
817: #
818: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
819: 'Processing first student');
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 = $seq->symb;
878: my ($performance,$performance_length,$score,$seq_max,$rawdata);
879: if ($chosen_output->{'tries'}) {
880: ($performance,$performance_length,$score,$seq_max,$rawdata) =
881: &student_tries_on_sequence($student,\%StudentsData,
882: $navmap,$seq,$show_links);
883: } else {
884: ($performance,$performance_length,$score,$seq_max,$rawdata) =
885: &student_performance_on_sequence($student,\%StudentsData,
886: $navmap,$seq,$show_links,
887: $chosen_output->{ignore_weight});
888: }
889: my $ratio='';
890: if ($chosen_output->{'every_problem'} &&
891: $chosen_output->{'sequence_sum'}) {
892: $ratio .= ' ';
893: }
894: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
895: my $score .= sprintf("%3.2f",$score);
896: $ratio .= (' 'x(6-length($score))).$score;
897: } elsif($chosen_output->{'sequence_sum'}) {
898: $ratio .= ' 'x6;
899: }
900: if ($chosen_output->{'sequence_max'}) {
901: if ($chosen_output->{'sequence_sum'}) {
902: $ratio .= '/';
903: }
904: my $sequence_total=sprintf("%3.2f",$seq_max);
905: $ratio .= $sequence_total.(' 'x(6-length($sequence_total)));
906: }
907: #
908: if (! $chosen_output->{'every_problem'}) {
909: $performance = '';
910: $performance_length=0;
911: }
912: $performance .= ' 'x($width{$symb}->{'width_total'} -
913: $performance_length -
914: $width{$symb}->{'width_sum'}).
915: $ratio;
916: #
917: $Str .= $performance.$padding;
918: #
919: $studentstats->{$symb}->{'score'}= $score;
920: $studentstats->{$symb}->{'max'} = $seq_max;
921: }
922: #
923: # Total it up and store the statistics info.
924: my ($score,$max);
925: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
926: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
927: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
928: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
929: }
930: if ($seq_stats->{'score'} ne ' ') {
931: $score += $seq_stats->{'score'};
932: $Statistics->{$symb}->{'num_students'}++;
933: }
934: $max += $seq_stats->{'max'};
935: }
936: if (! defined($score)) {
937: $score = ' ' x $total_sum_width;
938: } else {
939: $score = sprintf("%.2f",$score);
940: $score = (' 'x(6-length($score))).$score;
941: }
942: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
943: $Str .= " \n";
944: #
945: $r->print($Str);
946: #
947: # $r->rflush();
948: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
949: return;
950: }
951:
952: sub html_finish {
953: my ($r) = @_;
954: return if (! defined($navmap));
955: #
956: # Check for suppressed output and close the progress window if so
957: $r->print("</pre>\n");
958: if ($chosen_output->{'summary_table'}) {
959: if ($single_student_mode) {
960: $r->print(&SingleStudentTotal());
961: } else {
962: $r->print(&StudentAverageTotal());
963: }
964: }
965: $r->rflush();
966: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
967: &html_cleanup();
968: return;
969: }
970:
971: sub StudentAverageTotal {
972: my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
973: $Str .= &Apache::loncommon::start_data_table();
974: $Str .= &Apache::loncommon::start_data_table_header_row().
975: '<th>'.&mt('Title').'</th>'.
976: '<th>'.&mt('Average').'</th>'.
977: '<th>'.&mt('Maximum').'</th>'.
978: &Apache::loncommon::end_data_table_header_row().$/;
979: foreach my $seq (@sequences) {
980: my $symb = $seq->symb;
981: my $ave;
982: my $num_students = $Statistics->{$symb}->{'num_students'};
983: if ($num_students > 0) {
984: $ave = int(100*
985: ($Statistics->{$symb}->{'score'}/$num_students)
986: )/100;
987: } else {
988: $ave = 0;
989: }
990: my $max = $Statistics->{$symb}->{'max'};
991: $ave = sprintf("%.2f",$ave);
992: $Str .= &Apache::loncommon::start_data_table_row().
993: '<td>'.$seq->compTitle.'</td>'.
994: '<td align="right">'.$ave.' </td>'.
995: '<td align="right">'.$max.' '.'</td>'.
996: &Apache::loncommon::end_data_table_row()."\n";
997: }
998: $Str .= &Apache::loncommon::end_data_table()."\n";
999: return $Str;
1000: }
1001:
1002: sub SingleStudentTotal {
1003: return if (! defined($navmap));
1004: my $student = &Apache::lonstatistics::current_student();
1005: my $Str = '<h3>'.&mt('Summary table for [_1] ([_2])',
1006: $student->{'fullname'},
1007: $student->{'username'}.':'.$student->{'domain'}).'</h3>';
1008: $Str .= $/;
1009: $Str .= &Apache::loncommon::start_data_table()."\n";
1010: $Str .=
1011: &Apache::loncommon::start_data_table_header_row().
1012: '<th>'.&mt('Sequence or Folder').'</th>';
1013: if ($chosen_output->{'base'} eq 'tries') {
1014: $Str .= '<th>'.&mt('Parts Correct').'</th>';
1015: } else {
1016: $Str .= '<th>'.&mt('Score').'</th>';
1017: }
1018: $Str .= '<th>'.&mt('Maximum').'</th>'.
1019: &Apache::loncommon::end_data_table_header_row()."\n";
1020: my $total = 0;
1021: my $total_max = 0;
1022: foreach my $seq (@sequences) {
1023: my $value = $Statistics->{$seq->symb}->{'score'};
1024: my $max = $Statistics->{$seq->symb}->{'max'};
1025: $Str .= &Apache::loncommon::start_data_table_row().
1026: '<td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
1027: '<td align="right">'.$value.'</td>'.
1028: '<td align="right">'.$max.'</td>'.
1029: &Apache::loncommon::end_data_table_row()."\n";
1030: $total += $value;
1031: $total_max +=$max;
1032: }
1033: $Str .= &Apache::loncommon::start_data_table_row().
1034: '<td><b>'.&mt('Total').'</b></td>'.
1035: '<td align="right">'.$total.'</td>'.
1036: '<td align="right">'.$total_max.'</td>'.
1037: &Apache::loncommon::end_data_table_row()."\n";
1038: $Str .= &Apache::loncommon::end_data_table()."\n";
1039: return $Str;
1040: }
1041:
1042: }
1043:
1044: #######################################################
1045: #######################################################
1046:
1047: =pod
1048:
1049: =head2 EXCEL subroutines
1050:
1051: =item &excel_initialize($r)
1052:
1053: =item &excel_outputstudent($r,$student)
1054:
1055: =item &excel_finish($r)
1056:
1057: =cut
1058:
1059: #######################################################
1060: #######################################################
1061: {
1062:
1063: my $excel_sheet;
1064: my $excel_workbook;
1065: my $format;
1066:
1067: my $filename;
1068: my $rows_output;
1069: my $cols_output;
1070:
1071: my %prog_state; # progress window state
1072: my $request_aborted;
1073:
1074: my $total_formula;
1075: my $maximum_formula;
1076: my %formula_data;
1077:
1078: my $navmap;
1079: my @sequences;
1080:
1081: sub excel_cleanup {
1082: #
1083: undef ($excel_sheet);
1084: undef ($excel_workbook);
1085: undef ($filename);
1086: undef ($rows_output);
1087: undef ($cols_output);
1088: undef (%prog_state);
1089: undef ($request_aborted);
1090: undef ($total_formula);
1091: undef ($maximum_formula);
1092: #
1093: undef(%formula_data);
1094: #
1095: undef($navmap);
1096: undef(@sequences);
1097: }
1098:
1099: sub excel_initialize {
1100: my ($r) = @_;
1101:
1102: &excel_cleanup();
1103: ($navmap,@sequences) =
1104: &Apache::lonstatistics::selected_sequences_with_assessments();
1105: if (! ref($navmap)) {
1106: # Unable to get data, so bail out
1107: $r->print("<h3>".
1108: &mt('Unable to retrieve course information.').
1109: '</h3>');
1110: }
1111: #
1112: my $total_columns = scalar(&get_student_fields_to_show());
1113: my $num_students = scalar(@Apache::lonstatistics::Students);
1114: #
1115: foreach my $seq (@sequences) {
1116: if ($chosen_output->{'every_problem'}) {
1117: $total_columns+=&count_parts($navmap,$seq);
1118: }
1119: # Add 2 because we need a 'sequence_sum' and 'total' column for each
1120: $total_columns += 2;
1121: }
1122: my $too_many_cols_error_message =
1123: '<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
1124: '<p>'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'</p>'.$/.
1125: '<p>'.&mt('You may consider reducing the number of <b>Sequences or Folders</b> you have selected.').'</p>'.$/.
1126: '<p>'.&mt('LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the <b>Scores Summary</b> data.').'</p>'.$/;
1127: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
1128: $r->print($too_many_cols_error_message);
1129: $request_aborted = 1;
1130: }
1131: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1132: $r->print($too_many_cols_error_message);
1133: $request_aborted = 1;
1134: }
1135: return if ($request_aborted);
1136: #
1137: #
1138: $excel_workbook = undef;
1139: $excel_sheet = undef;
1140: #
1141: $rows_output = 0;
1142: $cols_output = 0;
1143: #
1144: # Determine rows
1145: my $header_row = $rows_output++;
1146: my $description_row = $rows_output++;
1147: my $notes_row = $rows_output++;
1148: $rows_output++; # blank row
1149: my $summary_header_row;
1150: if ($chosen_output->{'summary_table'}) {
1151: $summary_header_row = $rows_output++;
1152: $rows_output+= scalar(@sequences);
1153: $rows_output++;
1154: }
1155: my $sequence_name_row = $rows_output++;
1156: my $resource_name_row = $rows_output++;
1157: my $maximum_data_row = $rows_output++;
1158: if (! $chosen_output->{'maximum_row'}) {
1159: $rows_output--;
1160: }
1161: my $first_data_row = $rows_output++;
1162: #
1163: # Create sheet
1164: ($excel_workbook,$filename,$format)=
1165: &Apache::loncommon::create_workbook($r);
1166: return if (! defined($excel_workbook));
1167: #
1168: # Add a worksheet
1169: my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'};
1170: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1171: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1172: #
1173: # Put the course description in the header
1174: $excel_sheet->write($header_row,$cols_output++,
1175: $env{'course.'.$env{'request.course.id'}.'.description'},
1176: $format->{'h1'});
1177: $cols_output += 3;
1178: #
1179: # Put a description of the sections listed
1180: my $sectionstring = '';
1181: my @Sections = &Apache::lonstatistics::get_selected_sections();
1182: $excel_sheet->write($header_row,$cols_output++,
1183: &Apache::lonstatistics::section_and_enrollment_description('plaintext'),
1184: $format->{'h3'});
1185: #
1186: # Put the date in there too
1187: $excel_sheet->write($header_row,$cols_output++,
1188: &mt('Compiled on [_1]',&Apache::lonlocal::locallocaltime(time)),$format->{'h3'});
1189: #
1190: $cols_output = 0;
1191: $excel_sheet->write($description_row,$cols_output++,
1192: &mt($chosen_output->{'shortdesc'}),
1193: $format->{'b'});
1194: #
1195: $cols_output = 0;
1196: $excel_sheet->write($notes_row,$cols_output++,
1197: $chosen_output->{'non_html_notes'},
1198: $format->{'i'});
1199:
1200: ##############################################
1201: # Output headings for the raw data
1202: ##############################################
1203: #
1204: # Add the student headers
1205: $cols_output = 0;
1206: foreach my $field (&get_student_fields_to_show()) {
1207: $excel_sheet->write($resource_name_row,$cols_output++,$field,
1208: $format->{'bold'});
1209: }
1210: #
1211: # Add the remaining column headers
1212: my $total_formula_string = '=0';
1213: my $maximum_formula_string = '=0';
1214: foreach my $seq (@sequences) {
1215: my $symb = $seq->symb;
1216: $excel_sheet->write($sequence_name_row,,
1217: $cols_output,$seq->compTitle,$format->{'bold'});
1218: # Determine starting cell
1219: $formula_data{$symb}->{'Excel:startcell'}=
1220: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1221: ($first_data_row,$cols_output);
1222: $formula_data{$symb}->{'Excel:startcol'}=$cols_output;
1223: my $count = 0;
1224: if ($chosen_output->{'every_problem'}) {
1225: # Put the names of the problems and parts into the sheet
1226: foreach my $res (&get_resources($navmap,$seq)) {
1227: if (scalar(@{$res->parts}) > 1) {
1228: foreach my $part (@{$res->parts}) {
1229: $excel_sheet->write($resource_name_row,
1230: $cols_output++,
1231: $res->compTitle.' part '.$res->part_display($part),
1232: $format->{'bold'});
1233: $count++;
1234: }
1235: } else {
1236: $excel_sheet->write($resource_name_row,
1237: $cols_output++,
1238: $res->compTitle,$format->{'bold'});
1239: $count++;
1240: }
1241: }
1242: }
1243: # Determine ending cell
1244: if ($count <= 1) {
1245: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1246: $formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'};
1247: } else {
1248: $formula_data{$symb}->{'Excel:endcell'} =
1249: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1250: ($first_data_row,$cols_output-1);
1251: $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
1252: }
1253: # Create the formula for summing up this sequence
1254: if (! exists($formula_data{$symb}->{'Excel:endcell'}) ||
1255: ! defined($formula_data{$symb}->{'Excel:endcell'})) {
1256: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1257: }
1258:
1259: my $start = $formula_data{$symb}->{'Excel:startcell'};
1260: my $end = $formula_data{$symb}->{'Excel:endcell'};
1261: $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
1262: ("=IF(COUNT($start\:$end),SUM($start\:$end),\"\")");
1263: # Determine cell the score is held in
1264: $formula_data{$symb}->{'Excel:scorecell'} =
1265: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1266: ($first_data_row,$cols_output);
1267: $formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
1268: if ($chosen_output->{'base'} eq 'parts correct total') {
1269: $excel_sheet->write($resource_name_row,$cols_output++,
1270: &mt('parts correct'),
1271: $format->{'bold'});
1272: } elsif ($chosen_output->{'sequence_sum'}) {
1273: if ($chosen_output->{'correct'}) {
1274: # Only reporting the number correct, so do not call it score
1275: $excel_sheet->write($resource_name_row,$cols_output++,
1276: &mt('sum'),
1277: $format->{'bold'});
1278: } else {
1279: $excel_sheet->write($resource_name_row,$cols_output++,
1280: &mt('score'),
1281: $format->{'bold'});
1282: }
1283: }
1284: #
1285: $total_formula_string.='+'.
1286: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1287: ($first_data_row,$cols_output-1);
1288: if ($chosen_output->{'sequence_max'}) {
1289: $excel_sheet->write($resource_name_row,$cols_output,
1290: &mt('maximum'),
1291: $format->{'bold'});
1292: $formula_data{$symb}->{'Excel:maxcell'} =
1293: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1294: ($first_data_row,$cols_output);
1295: $formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
1296: $maximum_formula_string.='+'.
1297: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1298: ($first_data_row,$cols_output);
1299: $cols_output++;
1300:
1301: }
1302: }
1303: if ($chosen_output->{'grand_total'}) {
1304: $excel_sheet->write($resource_name_row,$cols_output++,&mt('Total'),
1305: $format->{'bold'});
1306: }
1307: if ($chosen_output->{'grand_maximum'}) {
1308: $excel_sheet->write($resource_name_row,$cols_output++,&mt('Max. Total'),
1309: $format->{'bold'});
1310: }
1311: $total_formula = $excel_sheet->store_formula($total_formula_string);
1312: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1313: ##############################################
1314: # Output a row for MAX, if appropriate
1315: ##############################################
1316: if ($chosen_output->{'maximum_row'}) {
1317: $cols_output = 0;
1318: foreach my $field (&get_student_fields_to_show()) {
1319: if ($field eq 'username' || $field eq 'fullname' ||
1320: $field eq 'id') {
1321: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1322: $format->{'bold'});
1323: } else {
1324: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1325: }
1326: }
1327: #
1328: # Add the maximums for each sequence or assessment
1329: my %total_cell_translation;
1330: my %maximum_cell_translation;
1331: foreach my $seq (@sequences) {
1332: my $symb = $seq->symb;
1333: $cols_output=$formula_data{$symb}->{'Excel:startcol'};
1334: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
1335: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1336: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
1337: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
1338: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1339: ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
1340: my $weight;
1341: my $max = 0;
1342: foreach my $resource (&get_resources($navmap,$seq)) {
1343: foreach my $part (@{$resource->parts}){
1344: $weight = 1;
1345: if ($chosen_output->{'scores'}) {
1346: $weight = &Apache::lonnet::EXT
1347: ('resource.'.$part.'.weight',$resource->symb,
1348: undef,undef,undef);
1349: if (!defined($weight) || ($weight eq '')) {
1350: $weight=1;
1351: }
1352: }
1353: if ($chosen_output->{'scores'} &&
1354: $chosen_output->{'every_problem'}) {
1355: $excel_sheet->write($maximum_data_row,$cols_output++,
1356: $weight);
1357: }
1358: $max += $weight;
1359: }
1360: }
1361: #
1362: if ($chosen_output->{'sequence_sum'} &&
1363: $chosen_output->{'every_problem'}) {
1364: my %replaceCells=
1365: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
1366: $formula_data{$symb}->{'Excel:endcell'}.'$' =>
1367: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
1368: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
1369: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1370: $formula_data{$symb}->{'Excel:sum'},undef,
1371: %replaceCells, %replaceCells);
1372:
1373: } elsif ($chosen_output->{'sequence_sum'}) {
1374: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1375: }
1376: if ($chosen_output->{'sequence_max'}) {
1377: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1378: }
1379: #
1380: }
1381: if ($chosen_output->{'grand_total'}) {
1382: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1383: $total_formula,undef,
1384: %total_cell_translation);
1385: }
1386: if ($chosen_output->{'grand_maximum'}) {
1387: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1388: $maximum_formula,undef,
1389: %maximum_cell_translation);
1390: }
1391: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1392: $rows_output = $first_data_row;
1393: ##############################################
1394: # Output summary table, which actually is above the sequence name row.
1395: ##############################################
1396: if ($chosen_output->{'summary_table'}) {
1397: $cols_output = 0;
1398: $excel_sheet->write($summary_header_row,$cols_output++,
1399: &mt('Summary Table'),$format->{'bold'});
1400: if ($chosen_output->{'maximum_row'}) {
1401: $excel_sheet->write($summary_header_row,$cols_output++,
1402: &mt('Maximum'),$format->{'bold'});
1403: }
1404: $excel_sheet->write($summary_header_row,$cols_output++,
1405: &mt('Average'),$format->{'bold'});
1406: $excel_sheet->write($summary_header_row,$cols_output++,
1407: &mt('Median'),$format->{'bold'});
1408: $excel_sheet->write($summary_header_row,$cols_output++,
1409: &mt('Std Dev'),$format->{'bold'});
1410: my $row = $summary_header_row+1;
1411: foreach my $seq (@sequences) {
1412: my $symb = $seq->symb;
1413: $cols_output = 0;
1414: $excel_sheet->write($row,$cols_output++,
1415: $seq->compTitle,
1416: $format->{'bold'});
1417: if ($chosen_output->{'maximum_row'}) {
1418: $excel_sheet->write
1419: ($row,$cols_output++,
1420: '='.
1421: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1422: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
1423: );
1424: }
1425: my $range =
1426: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1427: ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
1428: ':'.
1429: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1430: ($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
1431: $excel_sheet->write($row,$cols_output++,
1432: '=AVERAGE('.$range.')');
1433: $excel_sheet->write($row,$cols_output++,
1434: '=MEDIAN('.$range.')');
1435: $excel_sheet->write($row,$cols_output++,
1436: '=STDEV('.$range.')');
1437: $row++;
1438: }
1439: }
1440: ##############################################
1441: # Take care of non-excel initialization
1442: ##############################################
1443: #
1444: # Let the user know what we are doing
1445: my $studentcount = scalar(@Apache::lonstatistics::Students);
1446: if ($env{'form.SelectedStudent'}) {
1447: $studentcount = '1';
1448: }
1449: $r->print('<p>'
1450: .&mt('Compiling Excel spreadsheet for [quant,_1,student]...',$studentcount)
1451: ."</p>\n"
1452: );
1453: $r->rflush();
1454: #
1455: # Initialize progress window
1456: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1457: ($r,'Excel File Compilation Status',
1458: 'Excel File Compilation Progress', $studentcount,
1459: 'inline',undef,'Statistics','stats_status');
1460: #
1461: &Apache::lonhtmlcommon::Update_PrgWin($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: $cols_output = $formula_data{$symb}->{'Excel:startcol'};
1500: # Keep track of cells to translate in total cell
1501: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
1502: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1503: ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
1504: # and maximum cell
1505: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
1506: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1507: ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
1508: #
1509: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1510: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1511: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1512: &student_tries_on_sequence($student,\%StudentsData,
1513: $navmap,$seq,'no');
1514: } else {
1515: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1516: &student_performance_on_sequence($student,\%StudentsData,
1517: $navmap,$seq,'no',
1518: $chosen_output->{ignore_weight});
1519: }
1520: if ($chosen_output->{'every_problem'}) {
1521: if ($chosen_output->{'correct'}) {
1522: # only indiciate if each item is correct or not
1523: foreach my $value (@$rawdata) {
1524: # positive means correct, 0 or negative means
1525: # incorrect
1526: $value = $value > 0 ? 1 : 0;
1527: $excel_sheet->write($rows_output,$cols_output++,$value);
1528: }
1529: } else {
1530: foreach my $value (@$rawdata) {
1531: if ($score eq ' ' || !defined($value)) {
1532: $cols_output++;
1533: } else {
1534: $excel_sheet->write($rows_output,$cols_output++,
1535: $value);
1536: }
1537: }
1538: }
1539: }
1540: if ($chosen_output->{'sequence_sum'} &&
1541: $chosen_output->{'every_problem'}) {
1542: # Write a formula for the sum of this sequence
1543: my %replaceCells=
1544: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
1545: =>
1546: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
1547: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
1548: );
1549: # The undef is for the format
1550: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1551: $formula_data{$symb}->{'Excel:sum'},undef,
1552: %replaceCells, %replaceCells);
1553: } elsif ($chosen_output->{'sequence_sum'}) {
1554: if ($score eq ' ') {
1555: $cols_output++;
1556: } else {
1557: $excel_sheet->write($rows_output,$cols_output++,$score);
1558: }
1559: }
1560: if ($chosen_output->{'sequence_max'}) {
1561: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1562: }
1563: }
1564: #
1565: if ($chosen_output->{'grand_total'}) {
1566: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1567: $total_formula,undef,
1568: %total_cell_translation);
1569: }
1570: if ($chosen_output->{'grand_maximum'}) {
1571: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1572: $maximum_formula,undef,
1573: %maximum_cell_translation);
1574: }
1575: #
1576: # Bookkeeping
1577: $rows_output++;
1578: $cols_output=0;
1579: #
1580: # Update the progress window
1581: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1582: return;
1583: }
1584:
1585: sub excel_finish {
1586: my ($r) = @_;
1587: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1588: &excel_cleanup();
1589: return;
1590: }
1591: #
1592: # Write the excel file
1593: $excel_workbook->close();
1594: #
1595: # Close the progress window
1596: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1597: #
1598: # Tell the user where to get their excel file
1599: $r->print('<br />'.
1600: '<a href="'.$filename.'">'.&mt('Your Excel spreadsheet').'</a>'."\n");
1601: $r->rflush();
1602: &excel_cleanup();
1603: return;
1604: }
1605:
1606: }
1607: #######################################################
1608: #######################################################
1609:
1610: =pod
1611:
1612: =head2 CSV output routines
1613:
1614: =item &csv_initialize($r)
1615:
1616: =item &csv_outputstudent($r,$student)
1617:
1618: =item &csv_finish($r)
1619:
1620: =cut
1621:
1622: #######################################################
1623: #######################################################
1624: {
1625:
1626: my $outputfile;
1627: my $filename;
1628: my $request_aborted;
1629: my %prog_state; # progress window state
1630: my $navmap;
1631: my @sequences;
1632:
1633: sub csv_cleanup {
1634: undef($outputfile);
1635: undef($filename);
1636: undef($request_aborted);
1637: undef(%prog_state);
1638: #
1639: undef($navmap);
1640: undef(@sequences);
1641: }
1642:
1643: sub csv_initialize{
1644: my ($r) = @_;
1645:
1646: &csv_cleanup();
1647: ($navmap,@sequences) =
1648: &Apache::lonstatistics::selected_sequences_with_assessments();
1649: if (! ref($navmap)) {
1650: # Unable to get data, so bail out
1651: $r->print("<h3>".
1652: &mt('Unable to retrieve course information.').
1653: '</h3>');
1654: }
1655: #
1656: # Deal with unimplemented requests
1657: $request_aborted = undef;
1658: if ($chosen_output->{'base'} =~ /final table/) {
1659: $r->print(<<END);
1660: <h2>Unable to Complete Request</h2>
1661: <p>
1662: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1663: </p>
1664: END
1665: $request_aborted = 1;
1666: }
1667: return if ($request_aborted);
1668: #
1669: # Initialize progress window
1670: my $studentcount = scalar(@Apache::lonstatistics::Students);
1671: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1672: ($r,'CSV File Compilation Status',
1673: 'CSV File Compilation Progress', $studentcount,
1674: 'inline',undef,'Statistics','stats_status');
1675: #
1676: # Open a file
1677: ($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 $seq (@sequences) {
1780: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1781: if ($chosen_output->{'tries'}){
1782: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1783: &student_tries_on_sequence($student,\%StudentsData,
1784: $navmap,$seq,'no');
1785: } else {
1786: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1787: &student_performance_on_sequence($student,\%StudentsData,
1788: $navmap,$seq,'no',
1789: $chosen_output->{ignore_weight});
1790: }
1791: if ($chosen_output->{'every_problem'}) {
1792: if ($chosen_output->{'correct'}) {
1793: $score = 0;
1794: # Deal with number of parts correct data
1795: $Str .= '"'.join('","',( map { if ($_>0) {
1796: $score += 1;
1797: 1;
1798: } else {
1799: 0;
1800: }
1801: } @$rawdata)).'",';
1802: } else {
1803: $Str .= '"'.join('","',(@$rawdata)).'",';
1804: }
1805: }
1806: if ($chosen_output->{'sequence_sum'}) {
1807: $Str .= '"'.$score.'",';
1808: }
1809: if ($chosen_output->{'sequence_max'}) {
1810: $Str .= '"'.$seq_max.'",';
1811: }
1812: $total+=$score;
1813: $maximum += $seq_max;
1814: }
1815: if ($chosen_output->{'grand_total'}) {
1816: $Str .= '"'.$total.'",';
1817: }
1818: if ($chosen_output->{'grand_maximum'}) {
1819: $Str .= '"'.$maximum.'",';
1820: }
1821: chop($Str);
1822: $Str .= "\n";
1823: print $outputfile $Str;
1824: #
1825: # Update the progress window
1826: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1827: return;
1828: }
1829:
1830: sub csv_finish {
1831: my ($r) = @_;
1832: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1833: &csv_cleanup();
1834: return;
1835: }
1836: close($outputfile);
1837: #
1838: # Close the progress window
1839: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1840: #
1841: # Tell the user where to get their csv file
1842: $r->print('<br />'.
1843: '<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
1844: $r->rflush();
1845: &csv_cleanup();
1846: return;
1847:
1848: }
1849:
1850: }
1851:
1852: # This function will return an HTML string including a star, with
1853: # a mouseover popup showing the "real" value. An optional second
1854: # argument lets you show something other than a star.
1855: sub show_star {
1856: my $popup = shift;
1857: my $symbol = shift || '*';
1858: # Escape the popup for JS.
1859: $popup =~ s/([^-a-zA-Z0-9:;,._ ()|!\/?=&*])/'\\' . sprintf("%lo", ord($1))/ge;
1860:
1861: return "<span class=\"LC_chrt_popup_exists\" onmouseover='popup_score(this, \"$popup\");return false;' onmouseout='popdown_score();return false;'>$symbol</span>";
1862: }
1863:
1864: #######################################################
1865: #######################################################
1866:
1867: =pod
1868:
1869: =item &StudentTriesOnSequence()
1870:
1871: Inputs:
1872:
1873: =over 4
1874:
1875: =item $student
1876:
1877: =item $studentdata Hash ref to all student data
1878:
1879: =item $seq Hash ref, the sequence we are working on
1880:
1881: =item $links if defined we will output links to each resource.
1882:
1883: =back
1884:
1885: =cut
1886:
1887: #######################################################
1888: #######################################################
1889: sub student_tries_on_sequence {
1890: my ($student,$studentdata,$navmap,$seq,$links) = @_;
1891: $links = 'no' if (! defined($links));
1892: my $Str = '';
1893: my ($sum,$max) = (0,0);
1894: my $performance_length = 0;
1895: my @TriesData = ();
1896: my $tries;
1897: my $hasdata = 0; # flag - true if the student has any data on the sequence
1898: foreach my $resource (&get_resources($navmap,$seq)) {
1899: my $resource_data = $studentdata->{$resource->symb};
1900: my $value = '';
1901: foreach my $partnum (@{$resource->parts()}) {
1902: $tries = undef;
1903: $max++;
1904: $performance_length++;
1905: my $symbol = ' '; # default to space
1906: #
1907: my $awarded = 0;
1908: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1909: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1910: $awarded = 0 if (! $awarded);
1911: }
1912: #
1913: my $status = '';
1914: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1915: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1916: }
1917: #
1918: my $tries = 0;
1919: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1920: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1921: $hasdata =1;
1922: }
1923: #
1924: if ($awarded > 0) {
1925: # The student has gotten the problem correct to some degree
1926: if ($status eq 'excused') {
1927: $symbol = 'x';
1928: $max--;
1929: } elsif ($status eq 'correct_by_override' && !$resource->is_task()) {
1930: $symbol = '+';
1931: $sum++;
1932: } elsif ($tries > 0) {
1933: if ($tries > 9) {
1934: $symbol = show_star($tries);
1935: } else {
1936: $symbol = $tries;
1937: }
1938: $sum++;
1939: } else {
1940: $symbol = '+';
1941: $sum++;
1942: }
1943: } else {
1944: # The student has the problem incorrect or it is ungraded
1945: if ($status eq 'excused') {
1946: $symbol = 'x';
1947: $max--;
1948: } elsif ($status eq 'incorrect_by_override') {
1949: $symbol = '-';
1950: } elsif ($status eq 'ungraded_attempted') {
1951: $symbol = 'u';
1952: } elsif ($status eq 'incorrect_attempted' ||
1953: $tries > 0) {
1954: $symbol = '.';
1955: } else {
1956: # Problem is wrong and has not been attempted.
1957: $symbol=' ';
1958: }
1959: }
1960: #
1961: if (! defined($tries)) {
1962: $tries = 0;
1963: }
1964: if ($status =~ /^(incorrect|ungraded)/) {
1965: # Bug 3390: show '-' for tries on incorrect problems
1966: # (csv & excel only)
1967: push(@TriesData,-$tries);
1968: } else {
1969: push (@TriesData,$tries);
1970: }
1971: #
1972: if ( ($links eq 'yes' && $symbol ne ' ') ||
1973: ($links eq 'all')) {
1974: my $link = '/adm/grades'.
1975: '?symb='.&escape($resource->shown_symb).
1976: '&student='.$student->{'username'}.
1977: '&userdom='.$student->{'domain'}.
1978: '&command=submission';
1979: $symbol = &link($symbol, $link);
1980: }
1981: $value .= $symbol;
1982: }
1983: $Str .= $value;
1984: }
1985: if ($seq->randompick()) {
1986: $max = $seq->randompick();
1987: }
1988: if (! $hasdata && $sum == 0) {
1989: $sum = ' ';
1990: }
1991: return ($Str,$performance_length,$sum,$max,\@TriesData);
1992: }
1993:
1994: =pod
1995:
1996: =item &link
1997:
1998: Inputs:
1999:
2000: =over 4
2001:
2002: =item $text
2003:
2004: =item $target
2005:
2006: =back
2007:
2008: Takes the text and creates a link to the $text that honors
2009: the value of 'new window' if clicked on, but uses a real
2010: 'href' so middle and right clicks still work.
2011:
2012: $target and $text are assumed to be already correctly escaped; i.e., it
2013: can be dumped out directly into the output stream as-is.
2014:
2015: =cut
2016:
2017: sub link {
2018: my ($text,$target) = @_;
2019: return
2020: "<a href='$target' onclick=\"t=this.href;if(new_window)"
2021: ."{window.open(t)}else{return void(window."
2022: ."location=t)};return false;\">$text</a>";
2023: }
2024:
2025: #######################################################
2026: #######################################################
2027:
2028: =pod
2029:
2030: =item &student_performance_on_sequence
2031:
2032: Inputs:
2033:
2034: =over 4
2035:
2036: =item $student
2037:
2038: =item $studentdata Hash ref to all student data
2039:
2040: =item $seq Hash ref, the sequence we are working on
2041:
2042: =item $links if defined we will output links to each resource.
2043:
2044: =back
2045:
2046: =cut
2047:
2048: #######################################################
2049: #######################################################
2050: sub student_performance_on_sequence {
2051: my ($student,$studentdata,$navmap,$seq,$links,$awarded_only) = @_;
2052: $links = 'no' if (! defined($links));
2053: my $Str = ''; # final result string
2054: my ($score,$max) = (0,0);
2055: my $performance_length = 0;
2056: my $symbol;
2057: my @ScoreData = ();
2058: my $partscore;
2059: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
2060: foreach my $resource (&get_resources($navmap,$seq)) {
2061: my $symb = $resource->symb;
2062: my $resource_data = $studentdata->{$symb};
2063: foreach my $part (@{$resource->parts()}) {
2064: $partscore = undef;
2065: my $weight;
2066: if (!$awarded_only){
2067: $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
2068: $symb,
2069: $student->{'domain'},
2070: $student->{'username'},
2071: $student->{'section'});
2072: }
2073: if (!defined($weight) || ($weight eq '')) {
2074: $weight=1;
2075: }
2076: #
2077: $max += $weight; # see the 'excused' branch below...
2078: $performance_length++; # one character per part
2079: $symbol = ' '; # default to space
2080: #
2081: my $awarded;
2082: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
2083: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
2084: $awarded = 0 if (! $awarded);
2085: $hasdata = 1;
2086: }
2087: #
2088: $partscore = &Apache::grades::compute_points($weight,$awarded);
2089: if (! defined($awarded)) {
2090: $partscore = undef;
2091: }
2092: $score += $partscore;
2093: $symbol = $partscore;
2094: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
2095: $symbol = sprintf("%.0f",$symbol);
2096: }
2097: if (length($symbol) > 1) {
2098: $symbol = show_star($symbol);
2099: }
2100: if (exists($resource_data->{'resource.'.$part.'.solved'}) &&
2101: $resource_data->{'resource.'.$part.'.solved'} ne '') {
2102: my $status = $resource_data->{'resource.'.$part.'.solved'};
2103: if ($status eq 'excused') {
2104: $symbol = 'x';
2105: $max -= $weight; # Do not count 'excused' problems.
2106: } elsif ($status eq 'ungraded_attempted') {
2107: $symbol = 'u';
2108: }
2109: $hasdata = 1;
2110: } elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') {
2111: $symbol = 'd';
2112: $hasdata = 1;
2113: } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
2114: # Unsolved. Did they try?
2115: if (exists($resource_data->{'resource.'.$part.'.tries'})){
2116: $symbol = '.';
2117: $hasdata = 1;
2118: } else {
2119: $symbol = ' ';
2120: }
2121: }
2122: #
2123: if (! defined($partscore)) {
2124: $partscore = $symbol;
2125: }
2126: push (@ScoreData,$partscore);
2127: #
2128: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
2129: my $link = '/adm/grades' .
2130: '?symb='.&escape($resource->shown_symb).
2131: '&student='.$student->{'username'}.
2132: '&userdom='.$student->{'domain'}.
2133: '&command=submission';
2134: $symbol = &link($symbol, $link);
2135: }
2136: $Str .= $symbol;
2137: }
2138: }
2139: if (! $hasdata && $score == 0) {
2140: $score = ' ';
2141: }
2142: return ($Str,$performance_length,$score,$max,\@ScoreData);
2143: }
2144:
2145: #######################################################
2146: #######################################################
2147:
2148: =pod
2149:
2150: =item &CreateLegend()
2151:
2152: This function returns a formatted string containing the legend for the
2153: chart. The legend describes the symbols used to represent grades for
2154: problems.
2155:
2156: =cut
2157:
2158: #######################################################
2159: #######################################################
2160: sub CreateLegend {
2161: my $Str = "<p><pre>".
2162: " digit score or number of tries to get correct ".
2163: " * correct by student in more than 9 tries\n".
2164: " + correct by hand grading or override\n".
2165: " - incorrect by override\n".
2166: " . incorrect attempted\n".
2167: " u ungraded attempted\n".
2168: " d draft answer saved but not submitted\n".
2169: " not attempted (blank field)\n".
2170: " x excused".
2171: "</pre><p>";
2172: return $Str;
2173: }
2174:
2175: #######################################################
2176: #######################################################
2177:
2178: =pod
2179:
2180: =back
2181:
2182: =cut
2183:
2184: #######################################################
2185: #######################################################
2186:
2187: 1;
2188:
2189: __END__
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