Annotation of loncom/interface/statistics/lonstudentassessment.pm, revision 1.91
1.1 stredwic 1: # The LearningOnline Network with CAPA
2: #
1.91 ! matthew 3: # $Id: lonstudentassessment.pm,v 1.90 2004/02/12 21:15:47 matthew Exp $
1.1 stredwic 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
1.28 matthew 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: #######################################################
1.1 stredwic 49:
1.21 minaeibi 50: package Apache::lonstudentassessment;
1.1 stredwic 51:
52: use strict;
1.28 matthew 53: use Apache::lonstatistics;
1.1 stredwic 54: use Apache::lonhtmlcommon;
1.77 matthew 55: use Apache::loncommon();
1.1 stredwic 56: use Apache::loncoursedata;
1.28 matthew 57: use Apache::lonnet; # for logging porpoises
1.75 matthew 58: use Apache::lonlocal;
1.31 matthew 59: use Spreadsheet::WriteExcel;
1.76 matthew 60: use Spreadsheet::WriteExcel::Utility();
1.31 matthew 61:
62: #######################################################
63: #######################################################
64: =pod
65:
66: =item Package Variables
67:
68: =over 4
69:
70: =item $Statistics Hash ref to store student data. Indexed by symb,
71: contains hashes with keys 'score' and 'max'.
72:
73: =cut
74:
75: #######################################################
76: #######################################################
1.1 stredwic 77:
1.30 matthew 78: my $Statistics;
79:
1.28 matthew 80: #######################################################
81: #######################################################
82:
83: =pod
84:
1.31 matthew 85: =item $show_links 'yes' or 'no' for linking to student performance data
86:
87: =item $output_mode 'html', 'excel', or 'csv' for output mode
88:
1.32 matthew 89: =item $show 'all', 'totals', or 'scores' determines how much data is output
1.31 matthew 90:
1.49 matthew 91: =item $single_student_mode evaluates to true if we are showing only one
92: student.
93:
1.31 matthew 94: =cut
95:
96: #######################################################
97: #######################################################
98: my $show_links;
99: my $output_mode;
1.87 matthew 100: my $chosen_output;
1.49 matthew 101: my $single_student_mode;
1.28 matthew 102:
1.31 matthew 103: #######################################################
104: #######################################################
105: # End of package variable declarations
1.28 matthew 106:
1.31 matthew 107: =pod
1.28 matthew 108:
1.31 matthew 109: =back
1.28 matthew 110:
1.31 matthew 111: =cut
1.28 matthew 112:
1.31 matthew 113: #######################################################
114: #######################################################
1.28 matthew 115:
1.31 matthew 116: =pod
1.28 matthew 117:
1.31 matthew 118: =item &BuildStudentAssessmentPage()
1.28 matthew 119:
1.31 matthew 120: Inputs:
1.4 stredwic 121:
1.31 matthew 122: =over 4
1.28 matthew 123:
124: =item $r Apache Request
125:
126: =item $c Apache Connection
127:
128: =back
129:
130: =cut
131:
132: #######################################################
133: #######################################################
1.1 stredwic 134: sub BuildStudentAssessmentPage {
1.30 matthew 135: my ($r,$c)=@_;
1.74 matthew 136: #
1.30 matthew 137: undef($Statistics);
1.66 matthew 138: undef($show_links);
139: undef($output_mode);
1.87 matthew 140: undef($chosen_output);
1.66 matthew 141: undef($single_student_mode);
1.74 matthew 142: #
143: my %Saveable_Parameters = ('Status' => 'scalar',
144: 'chartoutputmode' => 'scalar',
145: 'chartoutputdata' => 'scalar',
146: 'Section' => 'array',
147: 'StudentData' => 'array',
148: 'Maps' => 'array');
149: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
150: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
151: #
152: &Apache::lonstatistics::PrepareClasslist();
153: #
1.65 matthew 154: $single_student_mode = 0;
1.49 matthew 155: $single_student_mode = 1 if ($ENV{'form.SelectedStudent'});
1.59 matthew 156: if ($ENV{'form.selectstudent'}) {
157: &Apache::lonstatistics::DisplayClasslist($r);
158: return;
159: }
1.30 matthew 160: #
1.31 matthew 161: # Print out the HTML headers for the interface
162: # This also parses the output mode selector
1.54 matthew 163: # This step must *always* be done.
1.30 matthew 164: $r->print(&CreateInterface());
1.31 matthew 165: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
1.49 matthew 166: $r->print('<input type="hidden" name="sort" value="'.
167: $ENV{'form.sort'}.'" />');
1.7 stredwic 168: $r->rflush();
1.58 matthew 169: #
1.49 matthew 170: if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {
1.31 matthew 171: return;
172: }
173: #
174: my $initialize = \&html_initialize;
175: my $output_student = \&html_outputstudent;
176: my $finish = \&html_finish;
177: #
178: if ($output_mode eq 'excel') {
179: $initialize = \&excel_initialize;
180: $output_student = \&excel_outputstudent;
181: $finish = \&excel_finish;
182: } elsif ($output_mode eq 'csv') {
183: $initialize = \&csv_initialize;
184: $output_student = \&csv_outputstudent;
185: $finish = \&csv_finish;
186: }
1.30 matthew 187: #
188: if($c->aborted()) { return ; }
1.31 matthew 189: #
1.49 matthew 190: # Determine which students we want to look at
191: my @Students;
192: if ($single_student_mode) {
193: @Students = (&Apache::lonstatistics::current_student());
194: $r->print(&next_and_previous_buttons());
195: $r->rflush();
196: } else {
197: @Students = @Apache::lonstatistics::Students;
198: }
1.56 matthew 199: #
200: # Perform generic initialization tasks
201: # Since we use lonnet::EXT to retrieve problem weights,
202: # to ensure current data we must clear the caches out.
203: # This makes sure that parameter changes at the student level
204: # are immediately reflected in the chart.
205: &Apache::lonnet::clear_EXT_cache_status();
1.69 matthew 206: #
207: # Clean out loncoursedata's package data, just to be safe.
208: &Apache::loncoursedata::clear_internal_caches();
1.49 matthew 209: #
1.31 matthew 210: # Call the initialize routine selected above
211: $initialize->($r);
1.49 matthew 212: foreach my $student (@Students) {
1.31 matthew 213: if($c->aborted()) {
214: $finish->($r);
215: return ;
1.1 stredwic 216: }
1.31 matthew 217: # Call the output_student routine selected above
218: $output_student->($r,$student);
219: }
220: # Call the "finish" routine selected above
221: $finish->($r);
222: #
223: return;
224: }
225:
226: #######################################################
227: #######################################################
1.49 matthew 228: sub next_and_previous_buttons {
229: my $Str = '';
230: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
231: $ENV{'form.SelectedStudent'}.'" />';
232: #
233: # Build the previous student link
234: my $previous = &Apache::lonstatistics::previous_student();
235: my $previousbutton = '';
236: if (defined($previous)) {
237: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
238: $previousbutton .= '<input type="button" value="'.
239: 'Previous Student ('.
240: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
241: '" onclick="document.Statistics.SelectedStudent.value='.
242: "'".$sname."'".';'.
243: 'document.Statistics.submit();" />';
244: } else {
245: $previousbutton .= '<input type="button" value="'.
246: 'Previous student (none)'.'" />';
247: }
248: #
249: # Build the next student link
250: my $next = &Apache::lonstatistics::next_student();
251: my $nextbutton = '';
252: if (defined($next)) {
253: my $sname = $next->{'username'}.':'.$next->{'domain'};
254: $nextbutton .= '<input type="button" value="'.
255: 'Next Student ('.
256: $next->{'username'}.'@'.$next->{'domain'}.')'.
257: '" onclick="document.Statistics.SelectedStudent.value='.
258: "'".$sname."'".';'.
259: 'document.Statistics.submit();" />';
260: } else {
261: $nextbutton .= '<input type="button" value="'.
262: 'Next student (none)'.'" />';
263: }
264: #
265: # Build the 'all students' button
266: my $all = '';
267: $all .= '<input type="button" value="All Students" '.
268: '" onclick="document.Statistics.SelectedStudent.value='.
269: "''".';'.'document.Statistics.submit();" />';
270: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
271: return $Str;
272: }
273:
274: #######################################################
275: #######################################################
1.30 matthew 276:
1.31 matthew 277: sub get_student_fields_to_show {
278: my @to_show = @Apache::lonstatistics::SelectedStudentData;
279: foreach (@to_show) {
280: if ($_ eq 'all') {
281: @to_show = @Apache::lonstatistics::StudentDataOrder;
282: last;
283: }
284: }
285: return @to_show;
286: }
287:
1.28 matthew 288: #######################################################
289: #######################################################
290:
291: =pod
1.2 stredwic 292:
1.28 matthew 293: =item &CreateInterface()
1.21 minaeibi 294:
1.28 matthew 295: Called by &BuildStudentAssessmentPage to create the top part of the
296: page which displays the chart.
297:
1.30 matthew 298: Inputs: None
1.28 matthew 299:
300: Returns: A string containing the HTML for the headers and top table for
301: the chart page.
302:
303: =cut
304:
305: #######################################################
306: #######################################################
1.2 stredwic 307: sub CreateInterface {
1.4 stredwic 308: my $Str = '';
1.30 matthew 309: # $Str .= &CreateLegend();
310: $Str .= '<table cellspacing="5">'."\n";
311: $Str .= '<tr>';
1.75 matthew 312: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
313: $Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';
314: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
315: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
316: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
1.58 matthew 317: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
318: '</td>';
1.75 matthew 319: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
1.58 matthew 320: &Apache::loncommon::help_open_topic("Chart_Output_Data").
321: '</td>';
1.30 matthew 322: $Str .= '</tr>'."\n";
323: #
1.4 stredwic 324: $Str .= '<tr><td align="center">'."\n";
1.29 matthew 325: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1.4 stredwic 326: $Str .= '</td><td align="center">';
1.30 matthew 327: my $only_seq_with_assessments = sub {
328: my $s=shift;
329: if ($s->{'num_assess'} < 1) {
330: return 0;
331: } else {
332: return 1;
333: }
334: };
335: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
336: 5,undef);
1.46 matthew 337: $Str .= '</td><td>'."\n";
338: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1.4 stredwic 339: $Str .= '</td><td>'."\n";
1.30 matthew 340: $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
341: $only_seq_with_assessments);
1.31 matthew 342: $Str .= '</td><td>'."\n";
343: $Str .= &CreateAndParseOutputSelector();
1.54 matthew 344: $Str .= '</td><td>'."\n";
345: $Str .= &CreateAndParseOutputDataSelector();
1.30 matthew 346: $Str .= '</td></tr>'."\n";
347: $Str .= '</table>'."\n";
1.75 matthew 348: $Str .= '<input type="submit" name="Generate Chart" value="'.
349: &mt('Generate Chart').'" />';
1.59 matthew 350: $Str .= ' 'x5;
1.75 matthew 351: $Str .= '<input type="submit" name="selectstudent" value="'.
352: &mt('Select One Student').'" />';
1.59 matthew 353: $Str .= ' 'x5;
1.75 matthew 354: $Str .= '<input type="submit" name="ClearCache" value="'.
355: &mt('Clear Caches').'" />';
1.61 www 356: $Str .= ' 'x5;
357: $Str .= '<br />';
1.4 stredwic 358: return $Str;
1.1 stredwic 359: }
1.30 matthew 360:
361: #######################################################
362: #######################################################
363:
364: =pod
365:
1.31 matthew 366: =item &CreateAndParseOutputSelector()
1.30 matthew 367:
368: =cut
369:
370: #######################################################
371: #######################################################
1.32 matthew 372: my @OutputOptions =
373: ({ name => 'HTML, with links',
374: value => 'html, with links',
1.33 matthew 375: description => 'Output HTML with each symbol linked to the problem '.
1.35 matthew 376: 'which generated it.',
377: mode => 'html',
378: show_links => 'yes',
379: },
1.47 matthew 380: { name => 'HTML, with all links',
381: value => 'html, with all links',
382: description => 'Output HTML with each symbol linked to the problem '.
383: 'which generated it. '.
384: 'This includes links for unattempted problems.',
385: mode => 'html',
386: show_links => 'all',
387: },
1.32 matthew 388: { name => 'HTML, without links',
389: value => 'html, without links',
1.33 matthew 390: description => 'Output HTML. By not including links, the size of the'.
391: ' web page is greatly reduced. If your browser crashes on the '.
1.35 matthew 392: 'full display, try this.',
393: mode => 'html',
394: show_links => 'no',
395: },
1.54 matthew 396: { name => 'Excel',
397: value => 'excel',
398: description => 'Output an Excel file (compatable with Excel 95).',
1.35 matthew 399: mode => 'excel',
400: show_links => 'no',
1.54 matthew 401: },
402: { name => 'CSV',
403: value => 'csv',
404: description => 'Output a comma seperated values file suitable for '.
1.57 matthew 405: 'import into a spreadsheet program. Using this method as opposed '.
406: 'to Excel output allows you to organize your data before importing'.
407: ' it into a spreadsheet program.',
1.35 matthew 408: mode => 'csv',
409: show_links => 'no',
410: },
1.32 matthew 411: );
412:
1.33 matthew 413: sub OutputDescriptions {
414: my $Str = '';
1.58 matthew 415: $Str .= "<h2>Output Formats</h2>\n";
1.33 matthew 416: $Str .= "<dl>\n";
417: foreach my $outputmode (@OutputOptions) {
418: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
419: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
420: }
421: $Str .= "</dl>\n";
422: return $Str;
423: }
424:
1.31 matthew 425: sub CreateAndParseOutputSelector {
426: my $Str = '';
1.44 matthew 427: my $elementname = 'chartoutputmode';
1.73 matthew 428: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
429: [$elementname]);
1.31 matthew 430: #
431: # Format for output options is 'mode, restrictions';
1.50 matthew 432: my $selected = 'html, without links';
1.31 matthew 433: if (exists($ENV{'form.'.$elementname})) {
434: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
435: $selected = $ENV{'form.'.$elementname}->[0];
436: } else {
437: $selected = $ENV{'form.'.$elementname};
438: }
439: }
440: #
441: # Set package variables describing output mode
442: $show_links = 'no';
443: $output_mode = 'html';
1.35 matthew 444: foreach my $option (@OutputOptions) {
445: next if ($option->{'value'} ne $selected);
446: $output_mode = $option->{'mode'};
447: $show_links = $option->{'show_links'};
1.31 matthew 448: }
1.35 matthew 449:
1.31 matthew 450: #
451: # Build the form element
452: $Str = qq/<select size="5" name="$elementname">/;
1.32 matthew 453: foreach my $option (@OutputOptions) {
454: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
455: $Str .= " selected " if ($option->{'value'} eq $selected);
1.75 matthew 456: $Str .= ">".&mt($option->{'name'})."<\/option>";
1.31 matthew 457: }
458: $Str .= "\n</select>";
459: return $Str;
460: }
1.30 matthew 461:
1.54 matthew 462: ##
463: ## Data selector stuff
464: ##
465: my @OutputDataOptions =
1.57 matthew 466: (
1.72 matthew 467: { name => 'Scores Summary',
1.57 matthew 468: base => 'scores',
469: value => 'sum and total',
1.87 matthew 470: scores => 1,
471: tries => 0,
472: every_problem => 0,
473: sequence_sum => 1,
474: sequence_max => 1,
475: grand_total => 1,
1.89 matthew 476: summary_table => 1,
1.90 matthew 477: maximum_row => 1,
1.57 matthew 478: shortdesc => 'Total Score and Maximum Possible for each '.
479: 'Sequence or Folder',
480: longdesc => 'The score of each student as well as the '.
481: ' maximum possible on each Sequence or Folder.',
482: },
1.71 matthew 483: { name => 'Scores Per Problem',
1.57 matthew 484: base => 'scores',
1.71 matthew 485: value => 'scores',
1.87 matthew 486: scores => 1,
487: tries => 0,
488: correct => 0,
489: every_problem => 1,
490: sequence_sum => 1,
491: sequence_max => 1,
492: grand_total => 1,
1.89 matthew 493: summary_table => 1,
1.90 matthew 494: maximum_row => 1,
1.71 matthew 495: shortdesc => 'Score on each Problem Part',
496: longdesc =>'The students score on each problem part, computed as'.
497: 'the part weight * part awarded',
1.57 matthew 498: },
499: { name =>'Tries',
500: base =>'tries',
501: value => 'tries',
1.87 matthew 502: scores => 0,
503: tries => 1,
504: correct => 0,
505: every_problem => 1,
506: sequence_sum => 0,
507: sequence_max => 0,
508: grand_total => 0,
1.90 matthew 509: summary_table => 0,
510: maximum_row => 0,
1.57 matthew 511: shortdesc => 'Number of Tries before success on each Problem Part',
512: longdesc =>'The number of tries before success on each problem part.',
513: },
514: { name =>'Parts Correct',
515: base =>'tries',
516: value => 'parts correct total',
1.87 matthew 517: scores => 0,
518: tries => 0,
519: correct => 1,
520: every_problem => 1,
521: sequence_sum => 1,
522: sequence_max => 1,
523: grand_total => 1,
1.89 matthew 524: summary_table => 1,
1.90 matthew 525: maximum_row => 0,
1.57 matthew 526: shortdesc => 'Number of Problem Parts completed successfully.',
527: longdesc => 'The Number of Problem Parts completed successfully and '.
528: 'the maximum possible for each student',
529: },
530: );
531:
532: sub HTMLifyOutputDataDescriptions {
533: my $Str = '';
1.58 matthew 534: $Str .= "<h2>Output Data</h2>\n";
1.57 matthew 535: $Str .= "<dl>\n";
536: foreach my $option (@OutputDataOptions) {
537: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
538: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
539: }
540: $Str .= "</dl>\n";
541: return $Str;
542: }
1.54 matthew 543:
544: sub CreateAndParseOutputDataSelector {
545: my $Str = '';
546: my $elementname = 'chartoutputdata';
547: #
548: my $selected = 'scores';
549: if (exists($ENV{'form.'.$elementname})) {
550: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
551: $selected = $ENV{'form.'.$elementname}->[0];
552: } else {
553: $selected = $ENV{'form.'.$elementname};
554: }
555: }
556: #
1.87 matthew 557: $chosen_output = $OutputDataOptions[0];
1.54 matthew 558: foreach my $option (@OutputDataOptions) {
559: if ($option->{'value'} eq $selected) {
1.87 matthew 560: $chosen_output = $option;
1.54 matthew 561: }
562: }
563: #
564: # Build the form element
565: $Str = qq/<select size="5" name="$elementname">/;
566: foreach my $option (@OutputDataOptions) {
567: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
1.87 matthew 568: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
1.75 matthew 569: $Str .= ">".&mt($option->{'name'})."<\/option>";
1.54 matthew 570: }
571: $Str .= "\n</select>";
572: return $Str;
573:
574: }
575:
1.28 matthew 576: #######################################################
577: #######################################################
1.1 stredwic 578:
1.28 matthew 579: =pod
580:
1.31 matthew 581: =head2 HTML output routines
1.28 matthew 582:
1.31 matthew 583: =item &html_initialize($r)
1.28 matthew 584:
1.31 matthew 585: Create labels for the columns of student data to show.
1.28 matthew 586:
1.31 matthew 587: =item &html_outputstudent($r,$student)
1.28 matthew 588:
1.31 matthew 589: Return a line of the chart for a student.
1.28 matthew 590:
1.31 matthew 591: =item &html_finish($r)
1.28 matthew 592:
593: =cut
594:
595: #######################################################
596: #######################################################
1.31 matthew 597: {
598: my $padding;
599: my $count;
600:
1.39 matthew 601: my $nodata_count; # The number of students for which there is no data
602: my %prog_state; # progress state used by loncommon PrgWin routines
603:
1.31 matthew 604: sub html_initialize {
605: my ($r) = @_;
1.30 matthew 606: #
607: $padding = ' 'x3;
1.35 matthew 608: $count = 0;
1.39 matthew 609: $nodata_count = 0;
1.66 matthew 610: undef(%prog_state);
1.30 matthew 611: #
1.38 matthew 612: $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
613: " ".localtime(time)."</h3>");
1.39 matthew 614:
1.87 matthew 615: if ($chosen_output->{'base'} !~ /^final table/) {
616: $r->print("<h3>".$chosen_output->{'shortdesc'}."</h3>");
1.39 matthew 617: }
1.31 matthew 618: my $Str = "<pre>\n";
1.30 matthew 619: # First, the @StudentData fields need to be listed
1.31 matthew 620: my @to_show = &get_student_fields_to_show();
1.30 matthew 621: foreach my $field (@to_show) {
622: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
623: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
624: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
625: $Str .= $title.' 'x($width-$base).$padding;
626: }
1.89 matthew 627: #
628: # Compute the column widths and output the sequence titles
1.40 matthew 629: foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
1.89 matthew 630: #
631: # Comptue column widths
632: $sequence->{'width_sum'} = 0;
633: if ($chosen_output->{'sequence_sum'}) {
634: # Use 3 digits for the sum
635: $sequence->{'width_sum'} = 3;
636: }
637: if ($chosen_output->{'sequence_max'}) {
638: if ($sequence->{'width_sum'}>0) {
639: # One digit for the '/'
640: $sequence->{'width_sum'} +=1;
641: }
642: # Use 3 digits for the total
643: $sequence->{'width_sum'}+=3;
644: }
645: if ($chosen_output->{'every_problem'}) {
646: # one problem per digit
647: $sequence->{'width_problem'} = $sequence->{'num_assess_parts'};
648: } else {
649: $sequence->{'width_problem'} = 0;
650: }
651: $sequence->{'width_total'} = $sequence->{'width_problem'} +
652: $sequence->{'width_sum'};
653: if ($sequence->{'width_total'} < length($sequence->{'title'})) {
654: $sequence->{'width_total'} = length($sequence->{'title'});
655: $sequence->{'width_problem'} =
656: $sequence->{'width_total'} - $sequence->{'width_sum'};
657: }
658: #
659: # Output the sequence titles
660: $Str .=
661: $sequence->{'title'}.' 'x($sequence->{'width_total'}-
662: length($sequence->{'title'})
663: ).$padding;
1.30 matthew 664: }
1.54 matthew 665: $Str .= "total</pre>\n";
1.31 matthew 666: $Str .= "<pre>";
667: $r->print($Str);
668: $r->rflush();
669: return;
1.30 matthew 670: }
671:
1.31 matthew 672: sub html_outputstudent {
673: my ($r,$student) = @_;
1.2 stredwic 674: my $Str = '';
1.35 matthew 675: #
1.87 matthew 676: if($count++ % 5 == 0 && $count > 0) {
1.35 matthew 677: $r->print("</pre><pre>");
678: }
1.30 matthew 679: # First, the @StudentData fields need to be listed
1.31 matthew 680: my @to_show = &get_student_fields_to_show();
1.30 matthew 681: foreach my $field (@to_show) {
682: my $title=$student->{$field};
1.31 matthew 683: my $base = length($title);
1.30 matthew 684: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
685: $Str .= $title.' 'x($width-$base).$padding;
686: }
687: # Get ALL the students data
688: my %StudentsData;
689: my @tmp = &Apache::loncoursedata::get_current_state
690: ($student->{'username'},$student->{'domain'},undef,
691: $ENV{'request.course.id'});
692: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
693: %StudentsData = @tmp;
694: }
695: if (scalar(@tmp) < 1) {
1.39 matthew 696: $nodata_count++;
1.30 matthew 697: $Str .= '<font color="blue">No Course Data</font>'."\n";
1.31 matthew 698: $r->print($Str);
699: $r->rflush();
700: return;
1.30 matthew 701: }
702: #
703: # By sequence build up the data
704: my $studentstats;
1.31 matthew 705: my $PerformanceStr = '';
1.40 matthew 706: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.54 matthew 707: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1.87 matthew 708: if ($chosen_output->{'tries'}) {
1.54 matthew 709: ($performance,$performance_length,$score,$seq_max,$rawdata) =
710: &StudentTriesOnSequence($student,\%StudentsData,
711: $seq,$show_links);
712: } else {
713: ($performance,$performance_length,$score,$seq_max,$rawdata) =
714: &StudentPerformanceOnSequence($student,\%StudentsData,
715: $seq,$show_links);
716: }
1.89 matthew 717: my $ratio='';
718: if ($chosen_output->{'sequence_sum'}) {
719: $ratio .= sprintf("%3d",$score);
720: }
721: if ($chosen_output->{'sequence_max'}) {
722: if ($chosen_output->{'sequence_sum'}) {
723: $ratio .= '/';
724: }
725: $ratio .= sprintf("%3d",$seq_max);
726: }
1.31 matthew 727: #
1.89 matthew 728: if (! $chosen_output->{'every_problem'}) {
729: $performance = '';
1.30 matthew 730: }
1.89 matthew 731: $performance .= ' 'x($seq->{'width_problem'}-$performance_length).
732: $ratio;
1.31 matthew 733: #
734: $Str .= $performance.$padding;
735: #
736: $studentstats->{$seq->{'symb'}}->{'score'}= $score;
737: $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
1.30 matthew 738: }
739: #
740: # Total it up and store the statistics info.
741: my ($score,$max) = (0,0);
742: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
743: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
1.54 matthew 744: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
745: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
746: }
1.30 matthew 747: $score += $seq_stats->{'score'};
748: $max += $seq_stats->{'max'};
749: }
1.31 matthew 750: $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;
1.30 matthew 751: $Str .= " \n";
1.39 matthew 752: #
1.31 matthew 753: $r->print($Str);
754: #
755: $r->rflush();
756: return;
1.30 matthew 757: }
1.2 stredwic 758:
1.31 matthew 759: sub html_finish {
760: my ($r) = @_;
1.39 matthew 761: #
762: # Check for suppressed output and close the progress window if so
1.87 matthew 763: $r->print("</pre>\n");
1.90 matthew 764: if ($chosen_output->{'summary_table'}) {
765: if ($single_student_mode) {
766: $r->print(&SingleStudentTotal());
767: } else {
768: $r->print(&StudentAverageTotal());
769: }
1.49 matthew 770: }
1.31 matthew 771: $r->rflush();
772: return;
773: }
774:
1.39 matthew 775: sub StudentAverageTotal {
776: my $Str = "<h3>Summary Tables</h3>\n";
777: my $num_students = scalar(@Apache::lonstatistics::Students);
778: my $total_ave = 0;
779: my $total_max = 0;
780: $Str .= '<table border=2 cellspacing="1">'."\n";
781: $Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";
1.40 matthew 782: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.42 matthew 783: my $ave;
784: if ($num_students > $nodata_count) {
785: $ave = int(100*($Statistics->{$seq->{'symb'}}->{'score'}/
786: ($num_students-$nodata_count)))/100;
787: } else {
788: $ave = 0;
789: }
1.39 matthew 790: $total_ave += $ave;
1.54 matthew 791: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
1.39 matthew 792: $total_max += $max;
1.82 matthew 793: $ave = sprintf("%.2f",$ave);
1.39 matthew 794: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
1.82 matthew 795: '<td align="right">'.$ave.' </td>'.
796: '<td align="right">'.$max.' '.'</td></tr>'."\n";
1.39 matthew 797: }
1.82 matthew 798: $total_ave = sprintf('%.2f',$total_ave); # only two digit
1.39 matthew 799: $Str .= "</table>\n";
800: $Str .= '<table border=2 cellspacing="1">'."\n";
801: $Str .= '<tr><th>Number of Students</th><th>Average</th>'.
802: "<th>Maximum</th></tr>\n";
1.82 matthew 803: $Str .= '<tr>'.
804: '<td align="right">'.($num_students-$nodata_count).'</td>'.
805: '<td align="right">'.$total_ave.' '.'</td>'.
806: '<td align="right">'.$total_max.' '.'</td>';
1.39 matthew 807: $Str .= "</table>\n";
808: return $Str;
809: }
810:
1.49 matthew 811: sub SingleStudentTotal {
812: my $student = &Apache::lonstatistics::current_student();
1.52 matthew 813: my $Str = "<h3>Summary table for ".$student->{'fullname'}." ".
814: $student->{'username'}.'@'.$student->{'domain'}."</h3>\n";
1.49 matthew 815: $Str .= '<table border=2 cellspacing="1">'."\n";
816: $Str .=
817: "<tr><th>Sequence or Folder</th><th>Score</th><th>Maximum</th></tr>\n";
818: my $total = 0;
819: my $total_max = 0;
820: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
821: my $value = $Statistics->{$seq->{'symb'}}->{'score'};
822: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
823: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
824: '<td align="right">'.$value.'</td>'.
825: '<td align="right">'.$max.'</td></tr>'."\n";
826: $total += $value;
827: $total_max +=$max;
828: }
829: $Str .= '<tr><td><b>Total</b></td>'.
830: '<td align="right">'.$total.'</td>'.
831: '<td align="right">'.$total_max."</td></tr>\n";
832: $Str .= "</table>\n";
833: return $Str;
834: }
835:
1.31 matthew 836: }
837:
838: #######################################################
839: #######################################################
840:
841: =pod
842:
843: =head2 EXCEL subroutines
844:
845: =item &excel_initialize($r)
846:
847: =item &excel_outputstudent($r,$student)
848:
849: =item &excel_finish($r)
850:
851: =cut
852:
853: #######################################################
854: #######################################################
855: {
856:
857: my $excel_sheet;
1.32 matthew 858: my $excel_workbook;
859:
860: my $filename;
861: my $rows_output;
862: my $cols_output;
863:
1.36 matthew 864: my %prog_state; # progress window state
1.54 matthew 865: my $request_aborted;
1.31 matthew 866:
1.76 matthew 867: my $total_formula;
868:
1.31 matthew 869: sub excel_initialize {
870: my ($r) = @_;
871: #
1.66 matthew 872: undef ($excel_sheet);
873: undef ($excel_workbook);
874: undef ($filename);
875: undef ($rows_output);
876: undef ($cols_output);
877: undef (%prog_state);
878: undef ($request_aborted);
1.76 matthew 879: undef ($total_formula);
1.66 matthew 880: #
1.54 matthew 881: my $total_columns = scalar(&get_student_fields_to_show());
1.90 matthew 882: my $num_students = scalar(@Apache::lonstatistics::Students);
883: #
1.54 matthew 884: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.88 matthew 885: if ($chosen_output->{'every_problem'}) {
886: $total_columns += $seq->{'num_assess_parts'};
887: }
1.87 matthew 888: # Add 2 because we need a 'sequence_sum' and 'total' column for each
1.88 matthew 889: $total_columns += 2;
1.54 matthew 890: }
1.87 matthew 891: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
1.54 matthew 892: $r->print(<<END);
893: <h2>Unable to Complete Request</h2>
894: <p>
895: LON-CAPA is unable to produce your Excel spreadsheet because your selections
896: will result in more than 255 columns. Excel allows only 255 columns in a
897: spreadsheet.
898: </p><p>
899: You may consider reducing the number of <b>Sequences or Folders</b> you
900: have selected.
901: </p><p>
902: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
903: summary data (<b>Parts Correct</b> or <b>Parts Correct & Totals</b>).
904: </p>
905: END
906: $request_aborted = 1;
907: }
1.87 matthew 908: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1.54 matthew 909: $r->print(<<END);
910: <h2>Unable to Complete Request</h2>
911: <p>
912: LON-CAPA is unable to produce your Excel spreadsheet because your selections
913: will result in more than 255 columns. Excel allows only 255 columns in a
914: spreadsheet.
915: </p><p>
916: You may consider reducing the number of <b>Sequences or Folders</b> you
917: have selected.
918: </p><p>
919: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
1.80 matthew 920: <b>Scores Summary</b> data.
1.54 matthew 921: </p>
922: END
923: $request_aborted = 1;
924: }
925: return if ($request_aborted);
926: #
1.32 matthew 927: $filename = '/prtspool/'.
1.31 matthew 928: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
929: time.'_'.rand(1000000000).'.xls';
1.32 matthew 930: #
931: $excel_workbook = undef;
932: $excel_sheet = undef;
933: #
934: $rows_output = 0;
935: $cols_output = 0;
936: #
1.90 matthew 937: # Determine rows
938: my $header_row = $rows_output++;
939: my $description_row = $rows_output++;
940: $rows_output++; # blank row
941: my $summary_header_row;
942: if ($chosen_output->{'summary_table'}) {
943: $summary_header_row = $rows_output++;
944: $rows_output+= scalar(&Apache::lonstatistics::Sequences_with_Assess());
945: $rows_output++;
946: }
947: my $sequence_name_row = $rows_output++;
948: my $resource_name_row = $rows_output++;
949: my $maximum_data_row = $rows_output++;
950: if (! $chosen_output->{'maximum_row'}) {
951: $rows_output--;
952: }
953: my $first_data_row = $rows_output++;
954: #
1.32 matthew 955: # Create sheet
956: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
957: #
958: # Check for errors
959: if (! defined($excel_workbook)) {
1.31 matthew 960: $r->log_error("Error creating excel spreadsheet $filename: $!");
961: $r->print("Problems creating new Excel file. ".
962: "This error has been logged. ".
963: "Please alert your LON-CAPA administrator");
1.32 matthew 964: return ;
1.31 matthew 965: }
966: #
967: # The excel spreadsheet stores temporary data in files, then put them
968: # together. If needed we should be able to disable this (memory only).
969: # The temporary directory must be specified before calling 'addworksheet'.
970: # File::Temp is used to determine the temporary directory.
1.32 matthew 971: $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
972: #
1.91 ! matthew 973: my $format = &Apache::loncommon::define_excel_formats($excel_workbook);
! 974: #
1.32 matthew 975: # Add a worksheet
1.33 matthew 976: my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1.67 matthew 977: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1.33 matthew 978: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1.85 matthew 979: #
1.34 matthew 980: # Put the course description in the header
1.90 matthew 981: $excel_sheet->write($header_row,$cols_output++,
1.85 matthew 982: $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
983: $format->{'h1'});
1.34 matthew 984: $cols_output += 3;
985: #
986: # Put a description of the sections listed
987: my $sectionstring = '';
988: my @Sections = @Apache::lonstatistics::SelectedSections;
989: if (scalar(@Sections) > 1) {
990: if (scalar(@Sections) > 2) {
991: my $last = pop(@Sections);
992: $sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
993: } else {
994: $sectionstring = "Sections ".join(' and ',@Sections);
995: }
996: } else {
997: if ($Sections[0] eq 'all') {
998: $sectionstring = "All sections";
999: } else {
1000: $sectionstring = "Section ".$Sections[0];
1001: }
1002: }
1.90 matthew 1003: $excel_sheet->write($header_row,$cols_output++,$sectionstring,
1.85 matthew 1004: $format->{'h3'});
1.34 matthew 1005: $cols_output += scalar(@Sections);
1006: #
1007: # Put the date in there too
1.90 matthew 1008: $excel_sheet->write($header_row,$cols_output++,
1.85 matthew 1009: 'Compiled on '.localtime(time),$format->{'h3'});
1.34 matthew 1010: #
1.54 matthew 1011: $cols_output = 0;
1.90 matthew 1012: $excel_sheet->write($description_row,$cols_output++,
1.87 matthew 1013: $chosen_output->{'shortdesc'},
1.85 matthew 1014: $format->{'h3'});
1.90 matthew 1015: ##############################################
1016: # Output headings for the raw data
1017: ##############################################
1.86 matthew 1018: #
1.32 matthew 1019: # Add the student headers
1.34 matthew 1020: $cols_output = 0;
1.32 matthew 1021: foreach my $field (&get_student_fields_to_show()) {
1.86 matthew 1022: $excel_sheet->write($resource_name_row,$cols_output++,$field,
1.85 matthew 1023: $format->{'bold'});
1.32 matthew 1024: }
1025: #
1.54 matthew 1026: # Add the remaining column headers
1.76 matthew 1027: my $total_formula_string = '=0';
1.40 matthew 1028: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.86 matthew 1029: $excel_sheet->write($sequence_name_row,,
1.90 matthew 1030: $cols_output,$seq->{'title'},$format->{'bold'});
1.86 matthew 1031: # Determine starting cell
1032: $seq->{'Excel:startcell'}=
1033: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.90 matthew 1034: ($first_data_row,$cols_output);
1.86 matthew 1035: $seq->{'Excel:startcol'}=$cols_output;
1.87 matthew 1036: my $count = 0;
1037: if ($chosen_output->{'every_problem'}) {
1.76 matthew 1038: # Put the names of the problems and parts into the sheet
1.54 matthew 1039: foreach my $res (@{$seq->{'contents'}}) {
1.84 matthew 1040: if ($res->{'type'} ne 'assessment' ||
1041: ! exists($res->{'parts'}) ||
1042: ref($res->{'parts'}) ne 'ARRAY' ||
1043: scalar(@{$res->{'parts'}}) < 1) {
1044: next;
1045: }
1.54 matthew 1046: if (scalar(@{$res->{'parts'}}) > 1) {
1047: foreach my $part (@{$res->{'parts'}}) {
1.86 matthew 1048: $excel_sheet->write($resource_name_row,
1.54 matthew 1049: $cols_output++,
1.85 matthew 1050: $res->{'title'}.' part '.$part,
1051: $format->{'bold'});
1.54 matthew 1052: }
1053: } else {
1.86 matthew 1054: $excel_sheet->write($resource_name_row,
1.54 matthew 1055: $cols_output++,
1.85 matthew 1056: $res->{'title'},$format->{'bold'});
1.54 matthew 1057: }
1.82 matthew 1058: $count++;
1.54 matthew 1059: }
1.79 matthew 1060: }
1.87 matthew 1061: # Determine ending cell
1062: if ($count <= 1) {
1063: $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};
1064: $seq->{'Excel:endcol'} = $seq->{'Excel:startcol'};
1065: } else {
1066: $seq->{'Excel:endcell'} =
1067: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.90 matthew 1068: ($first_data_row,$cols_output-1);
1.87 matthew 1069: $seq->{'Excel:endcol'} = $cols_output-1;
1070: }
1071: # Create the formula for summing up this sequence
1072: if (! exists($seq->{'Excel:endcell'}) ||
1073: ! defined($seq->{'Excel:endcell'})) {
1074: $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};
1075: }
1076: $seq->{'Excel:sum'}= $excel_sheet->store_formula
1077: ('=SUM('.$seq->{'Excel:startcell'}.
1078: ':'.$seq->{'Excel:endcell'}.')');
1.79 matthew 1079: # Determine cell the score is held in
1080: $seq->{'Excel:scorecell'} =
1081: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.90 matthew 1082: ($first_data_row,$cols_output);
1.79 matthew 1083: $seq->{'Excel:scorecol'}=$cols_output;
1.87 matthew 1084: if ($chosen_output->{'base'} eq 'parts correct total') {
1.86 matthew 1085: $excel_sheet->write($resource_name_row,$cols_output++,
1086: 'parts correct',
1.85 matthew 1087: $format->{'bold'});
1.87 matthew 1088: } elsif ($chosen_output->{'sequence_sum'}) {
1089: if ($chosen_output->{'correct'}) {
1090: # Only reporting the number correct, so do not call it score
1091: $excel_sheet->write($resource_name_row,$cols_output++,
1092: 'sum',
1093: $format->{'bold'});
1094: } else {
1095: $excel_sheet->write($resource_name_row,$cols_output++,
1096: 'score',
1097: $format->{'bold'});
1098: }
1.32 matthew 1099: }
1.79 matthew 1100: #
1101: $total_formula_string.='+'.
1102: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1.90 matthew 1103: ($first_data_row,$cols_output-1);
1.87 matthew 1104: if ($chosen_output->{'sequence_max'}) {
1105: $excel_sheet->write($resource_name_row,$cols_output++,
1106: 'maximum',
1107: $format->{'bold'});
1108: }
1109: }
1110: if ($chosen_output->{'grand_total'}) {
1111: $excel_sheet->write($resource_name_row,$cols_output++,'Total',
1.85 matthew 1112: $format->{'bold'});
1.32 matthew 1113: }
1.76 matthew 1114: $total_formula = $excel_sheet->store_formula($total_formula_string);
1.90 matthew 1115: ##############################################
1.87 matthew 1116: # Output a row for MAX, if appropriate
1.90 matthew 1117: ##############################################
1118: if ($chosen_output->{'maximum_row'}) {
1.87 matthew 1119: $cols_output = 0;
1120: foreach my $field (&get_student_fields_to_show()) {
1121: if ($field eq 'username' || $field eq 'fullname' ||
1122: $field eq 'id') {
1123: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1124: $format->{'bold'});
1125: } else {
1126: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1127: }
1.54 matthew 1128: }
1.87 matthew 1129: #
1130: # Add the maximums for each sequence or assessment
1131: my %total_cell_translation;
1132: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1133: $cols_output=$seq->{'Excel:startcol'};
1134: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1135: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1136: ($maximum_data_row,$seq->{'Excel:scorecol'});
1137: my $weight;
1138: my $max = 0;
1139: foreach my $resource (@{$seq->{'contents'}}) {
1140: next if ($resource->{'type'} ne 'assessment');
1141: foreach my $part (@{$resource->{'parts'}}) {
1142: $weight = 1;
1143: if ($chosen_output->{'scores'}) {
1144: $weight = &Apache::lonnet::EXT
1145: ('resource.'.$part.'.weight',$resource->{'symb'},
1146: undef,undef,undef);
1147: if (!defined($weight) || ($weight eq '')) {
1148: $weight=1;
1149: }
1150: }
1151: if ($chosen_output->{'scores'} &&
1152: $chosen_output->{'every_problem'}) {
1153: $excel_sheet->write($maximum_data_row,$cols_output++,
1154: $weight);
1.54 matthew 1155: }
1.87 matthew 1156: $max += $weight;
1.54 matthew 1157: }
1.87 matthew 1158: }
1159: #
1160: if ($chosen_output->{'sequence_sum'} &&
1161: $chosen_output->{'every_problem'}) {
1162: my %replaceCells;
1163: $replaceCells{$seq->{'Excel:startcell'}} =
1164: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1165: ($maximum_data_row,$seq->{'Excel:startcol'});
1166: $replaceCells{$seq->{'Excel:endcell'}} =
1167: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1168: ($maximum_data_row,$seq->{'Excel:endcol'});
1169: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1170: $seq->{'Excel:sum'},undef,
1171: %replaceCells);
1172: } elsif ($chosen_output->{'sequence_sum'}) {
1173: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1174: }
1175: if ($chosen_output->{'sequence_max'}) {
1176: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1.45 matthew 1177: }
1.87 matthew 1178: #
1.45 matthew 1179: }
1.87 matthew 1180: if ($chosen_output->{'grand_total'}) {
1.86 matthew 1181: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1.87 matthew 1182: $total_formula,undef,
1183: %total_cell_translation);
1.79 matthew 1184: }
1.90 matthew 1185: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1.86 matthew 1186: $rows_output = $first_data_row;
1.90 matthew 1187: ##############################################
1188: # Output summary table, which actually is above the sequence name row.
1189: ##############################################
1190: if ($chosen_output->{'summary_table'}) {
1191: $cols_output = 0;
1192: $excel_sheet->write($summary_header_row,$cols_output++,
1193: 'Summary Table',$format->{'bold'});
1194: if ($chosen_output->{'maximum_row'}) {
1195: $excel_sheet->write($summary_header_row,$cols_output++,
1196: 'Maximum',$format->{'bold'});
1197: }
1198: $excel_sheet->write($summary_header_row,$cols_output++,
1199: 'Average',$format->{'bold'});
1200: $excel_sheet->write($summary_header_row,$cols_output++,
1201: 'Median',$format->{'bold'});
1202: $excel_sheet->write($summary_header_row,$cols_output++,
1203: 'Std Dev',$format->{'bold'});
1204: my $row = $summary_header_row+1;
1205: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1206: $cols_output = 0;
1207: $excel_sheet->write($row,$cols_output++,
1208: $seq->{'title'},
1209: $format->{'bold'});
1210: if ($chosen_output->{'maximum_row'}) {
1211: $excel_sheet->write
1212: ($row,$cols_output++,
1213: '='.
1214: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1215: ($maximum_data_row,$seq->{'Excel:scorecol'})
1216: );
1217: }
1218: my $range =
1219: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1220: ($first_data_row,$seq->{'Excel:scorecol'}).
1221: ':'.
1222: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1223: ($first_data_row+$num_students-1,$seq->{'Excel:scorecol'});
1224: $excel_sheet->write($row,$cols_output++,
1225: '=AVERAGE('.$range.')');
1226: $excel_sheet->write($row,$cols_output++,
1227: '=MEDIAN('.$range.')');
1228: $excel_sheet->write($row,$cols_output++,
1229: '=STDEV('.$range.')');
1230: $row++;
1231: }
1232: }
1233: ##############################################
1234: # Take care of non-excel initialization
1235: ##############################################
1.32 matthew 1236: #
1237: # Let the user know what we are doing
1238: my $studentcount = scalar(@Apache::lonstatistics::Students);
1.85 matthew 1239: if ($ENV{'form.SelectedStudent'}) {
1240: $studentcount = '1';
1241: }
1242: if ($studentcount > 1) {
1243: $r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students',
1244: $studentcount)."</h1>\n");
1245: } else {
1246: $r->print('<h1>'.
1247: &mt('Compiling Excel spreadsheet for 1 student').
1248: "</h1>\n");
1249: }
1.32 matthew 1250: $r->rflush();
1.31 matthew 1251: #
1.36 matthew 1252: # Initialize progress window
1253: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1254: ($r,'Excel File Compilation Status',
1255: 'Excel File Compilation Progress', $studentcount);
1256: #
1.62 matthew 1257: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1258: 'Processing first student');
1.31 matthew 1259: return;
1260: }
1261:
1262: sub excel_outputstudent {
1263: my ($r,$student) = @_;
1.54 matthew 1264: return if ($request_aborted);
1.32 matthew 1265: return if (! defined($excel_sheet));
1266: $cols_output=0;
1267: #
1268: # Write out student data
1269: my @to_show = &get_student_fields_to_show();
1270: foreach my $field (@to_show) {
1271: $excel_sheet->write($rows_output,$cols_output++,$student->{$field});
1272: }
1273: #
1274: # Get student assessment data
1275: my %StudentsData;
1276: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1277: $student->{'domain'},
1278: undef,
1279: $ENV{'request.course.id'});
1280: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1281: %StudentsData = @tmp;
1282: }
1283: #
1284: # Write out sequence scores and totals data
1.76 matthew 1285: my %total_cell_translation;
1.40 matthew 1286: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.85 matthew 1287: $cols_output = $seq->{'Excel:startcol'};
1.76 matthew 1288: # Keep track of cells to translate in total cell
1289: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1290: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1291: ($rows_output,$seq->{'Excel:scorecol'});
1292: #
1.54 matthew 1293: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1.87 matthew 1294: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1.54 matthew 1295: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1296: &StudentTriesOnSequence($student,\%StudentsData,
1297: $seq,'no');
1298: } else {
1299: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1300: &StudentPerformanceOnSequence($student,\%StudentsData,
1301: $seq,'no');
1.87 matthew 1302: }
1303: if ($chosen_output->{'every_problem'}) {
1304: if ($chosen_output->{'correct'}) {
1305: # only indiciate if each item is correct or not
1306: foreach my $value (@$rawdata) {
1307: # nonzero means correct
1308: $value = 1 if ($value > 0);
1309: $excel_sheet->write($rows_output,$cols_output++,$value);
1310: }
1311: } else {
1312: foreach my $value (@$rawdata) {
1313: $excel_sheet->write($rows_output,$cols_output++,$value);
1314: }
1315: }
1.54 matthew 1316: }
1.87 matthew 1317: if ($chosen_output->{'sequence_sum'} &&
1318: $chosen_output->{'every_problem'}) {
1.76 matthew 1319: # Write a formula for the sum of this sequence
1320: my %replaceCells;
1321: $replaceCells{$seq->{'Excel:startcell'}} =
1322: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1323: ($rows_output,$seq->{'Excel:startcol'});
1324: $replaceCells{$seq->{'Excel:endcell'}} =
1325: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1326: ($rows_output,$seq->{'Excel:endcol'});
1327: # The undef is for the format
1.81 matthew 1328: if (scalar(keys(%replaceCells)) == 1) {
1329: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1330: $seq->{'Excel:sum'},undef,
1331: %replaceCells,%replaceCells);
1332: } else {
1333: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1334: $seq->{'Excel:sum'},undef,
1335: %replaceCells);
1336: }
1.87 matthew 1337: } elsif ($chosen_output->{'sequence_sum'}) {
1.32 matthew 1338: $excel_sheet->write($rows_output,$cols_output++,$score);
1339: }
1.87 matthew 1340: if ($chosen_output->{'sequence_max'}) {
1.32 matthew 1341: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1342: }
1343: }
1.76 matthew 1344: #
1.87 matthew 1345: if ($chosen_output->{'grand_total'}) {
1346: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1347: $total_formula,undef,
1348: %total_cell_translation);
1349: }
1.32 matthew 1350: #
1351: # Bookkeeping
1352: $rows_output++;
1353: $cols_output=0;
1354: #
1.36 matthew 1355: # Update the progress window
1356: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.32 matthew 1357: return;
1.31 matthew 1358: }
1359:
1360: sub excel_finish {
1361: my ($r) = @_;
1.54 matthew 1362: return if ($request_aborted);
1.32 matthew 1363: return if (! defined($excel_sheet));
1364: #
1365: # Write the excel file
1366: $excel_workbook->close();
1367: my $c = $r->connection();
1368: #
1369: return if($c->aborted());
1370: #
1.36 matthew 1371: # Close the progress window
1372: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1373: #
1.32 matthew 1374: # Tell the user where to get their excel file
1.36 matthew 1375: $r->print('<br />'.
1.32 matthew 1376: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1377: $r->rflush();
1378: return;
1.31 matthew 1379: }
1380:
1381: }
1.30 matthew 1382: #######################################################
1383: #######################################################
1384:
1385: =pod
1386:
1.31 matthew 1387: =head2 CSV output routines
1388:
1389: =item &csv_initialize($r)
1390:
1391: =item &csv_outputstudent($r,$student)
1392:
1393: =item &csv_finish($r)
1.30 matthew 1394:
1395: =cut
1396:
1397: #######################################################
1398: #######################################################
1.31 matthew 1399: {
1400:
1.37 matthew 1401: my $outputfile;
1402: my $filename;
1.54 matthew 1403: my $request_aborted;
1.37 matthew 1404: my %prog_state; # progress window state
1405:
1.31 matthew 1406: sub csv_initialize{
1407: my ($r) = @_;
1.37 matthew 1408: #
1409: # Clean up
1.66 matthew 1410: undef($outputfile);
1411: undef($filename);
1412: undef($request_aborted);
1.37 matthew 1413: undef(%prog_state);
1414: #
1.54 matthew 1415: # Deal with unimplemented requests
1416: $request_aborted = undef;
1.87 matthew 1417: if ($chosen_output->{'base'} =~ /final table/) {
1.54 matthew 1418: $r->print(<<END);
1419: <h2>Unable to Complete Request</h2>
1420: <p>
1421: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1422: </p>
1423: END
1424: $request_aborted = 1;
1425: }
1426: return if ($request_aborted);
1.87 matthew 1427: #
1428: # Initialize progress window
1429: my $studentcount = scalar(@Apache::lonstatistics::Students);
1430: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1431: ($r,'CSV File Compilation Status',
1432: 'CSV File Compilation Progress', $studentcount);
1.54 matthew 1433: #
1.37 matthew 1434: # Open a file
1435: $filename = '/prtspool/'.
1436: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1437: time.'_'.rand(1000000000).'.csv';
1438: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
1439: $r->log_error("Couldn't open $filename for output $!");
1440: $r->print("Problems occured in writing the csv file. ".
1441: "This error has been logged. ".
1442: "Please alert your LON-CAPA administrator.");
1443: $outputfile = undef;
1444: }
1.38 matthew 1445: #
1446: # Datestamp
1447: my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1448: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1449: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1450: "\n";
1.37 matthew 1451: #
1452: # Print out the headings
1.87 matthew 1453: my $sequence_row = '';
1454: my $resource_row = undef;
1.37 matthew 1455: foreach my $field (&get_student_fields_to_show()) {
1.87 matthew 1456: $sequence_row .='"",';
1457: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1.37 matthew 1458: }
1.40 matthew 1459: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.87 matthew 1460: $sequence_row .= '"'.
1461: &Apache::loncommon::csv_translate($seq->{'title'}).'",';
1462: my $count = 0;
1463: if ($chosen_output->{'every_problem'}) {
1.53 matthew 1464: foreach my $res (@{$seq->{'contents'}}) {
1.87 matthew 1465: if ($res->{'type'} ne 'assessment' ||
1466: ! exists($res->{'parts'}) ||
1467: ref($res->{'parts'}) ne 'ARRAY' ||
1468: scalar(@{$res->{'parts'}}) < 1) {
1469: next;
1470: }
1.53 matthew 1471: foreach my $part (@{$res->{'parts'}}) {
1.87 matthew 1472: $resource_row .= '"'.
1473: &Apache::loncommon::csv_translate($res->{'title'}.
1474: ', Part '.$part
1475: ).'",';
1476: $count++;
1.53 matthew 1477: }
1478: }
1.37 matthew 1479: }
1.87 matthew 1480: $sequence_row.='"",'x$count;
1481: if ($chosen_output->{'sequence_sum'}) {
1482: if($chosen_output->{'correct'}) {
1483: $resource_row .= '"sum",';
1484: } else {
1485: $resource_row .= '"score",';
1486: }
1487: }
1488: if ($chosen_output->{'sequence_max'}) {
1489: $sequence_row.= '"",';
1490: $resource_row .= '"maximum possible",';
1491: }
1.37 matthew 1492: }
1.87 matthew 1493: if ($chosen_output->{'grand_total'}) {
1494: $sequence_row.= '"",';
1495: $resource_row.= '"Total",';
1496: }
1497: chomp($sequence_row);
1498: chomp($resource_row);
1499: print $outputfile $sequence_row."\n";
1500: print $outputfile $resource_row."\n";
1.31 matthew 1501: return;
1502: }
1503:
1504: sub csv_outputstudent {
1505: my ($r,$student) = @_;
1.54 matthew 1506: return if ($request_aborted);
1.37 matthew 1507: return if (! defined($outputfile));
1508: my $Str = '';
1509: #
1510: # Output student fields
1511: my @to_show = &get_student_fields_to_show();
1512: foreach my $field (@to_show) {
1513: $Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",';
1514: }
1515: #
1516: # Get student assessment data
1517: my %StudentsData;
1518: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1519: $student->{'domain'},
1520: undef,
1521: $ENV{'request.course.id'});
1522: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1523: %StudentsData = @tmp;
1524: }
1525: #
1526: # Output performance data
1.87 matthew 1527: my $total = 0;
1.40 matthew 1528: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1.54 matthew 1529: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1.87 matthew 1530: if ($chosen_output->{'tries'}){
1.54 matthew 1531: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1532: &StudentTriesOnSequence($student,\%StudentsData,
1533: $seq,'no');
1534: } else {
1535: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1536: &StudentPerformanceOnSequence($student,\%StudentsData,
1537: $seq,'no');
1538: }
1.87 matthew 1539: if ($chosen_output->{'every_problem'}) {
1540: if ($chosen_output->{'correct'}) {
1541: $score = 0;
1542: # Deal with number of parts correct data
1543: $Str .= '"'.join('","',( map { if ($_>0) {
1544: $score += 1;
1545: 1;
1546: } else {
1547: 0;
1548: }
1549: } @$rawdata)).'",';
1550: } else {
1551: $Str .= '"'.join('","',(@$rawdata)).'",';
1552: }
1553: }
1554: if ($chosen_output->{'sequence_sum'}) {
1.37 matthew 1555: $Str .= '"'.$score.'",';
1.87 matthew 1556: }
1557: if ($chosen_output->{'sequence_max'}) {
1558: $Str .= '"'.$seq_max.'",';
1.37 matthew 1559: }
1.87 matthew 1560: $total+=$score;
1561: }
1562: if ($chosen_output->{'grand_total'}) {
1563: $Str .= '"'.$total.'",';
1.37 matthew 1564: }
1565: chop($Str);
1566: $Str .= "\n";
1567: print $outputfile $Str;
1568: #
1569: # Update the progress window
1570: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1571: return;
1.31 matthew 1572: }
1573:
1574: sub csv_finish {
1575: my ($r) = @_;
1.54 matthew 1576: return if ($request_aborted);
1.37 matthew 1577: return if (! defined($outputfile));
1578: close($outputfile);
1579: #
1580: my $c = $r->connection();
1581: return if ($c->aborted());
1582: #
1583: # Close the progress window
1584: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1585: #
1586: # Tell the user where to get their csv file
1587: $r->print('<br />'.
1588: '<a href="'.$filename.'">Your csv file.</a>'."\n");
1589: $r->rflush();
1590: return;
1591:
1.31 matthew 1592: }
1.2 stredwic 1593:
1594: }
1595:
1.28 matthew 1596: #######################################################
1597: #######################################################
1598:
1.2 stredwic 1599: =pod
1600:
1.54 matthew 1601: =item &StudentTriesOnSequence()
1.2 stredwic 1602:
1.30 matthew 1603: Inputs:
1.2 stredwic 1604:
1605: =over 4
1606:
1.30 matthew 1607: =item $student
1.28 matthew 1608:
1.30 matthew 1609: =item $studentdata Hash ref to all student data
1.2 stredwic 1610:
1.30 matthew 1611: =item $seq Hash ref, the sequence we are working on
1.2 stredwic 1612:
1.30 matthew 1613: =item $links if defined we will output links to each resource.
1.2 stredwic 1614:
1.28 matthew 1615: =back
1.2 stredwic 1616:
1617: =cut
1.1 stredwic 1618:
1.28 matthew 1619: #######################################################
1620: #######################################################
1.54 matthew 1621: sub StudentTriesOnSequence {
1.32 matthew 1622: my ($student,$studentdata,$seq,$links) = @_;
1.31 matthew 1623: $links = 'no' if (! defined($links));
1.1 stredwic 1624: my $Str = '';
1.30 matthew 1625: my ($sum,$max) = (0,0);
1.51 matthew 1626: my $performance_length = 0;
1.54 matthew 1627: my @TriesData = ();
1628: my $tries;
1.30 matthew 1629: foreach my $resource (@{$seq->{'contents'}}) {
1630: next if ($resource->{'type'} ne 'assessment');
1631: my $resource_data = $studentdata->{$resource->{'symb'}};
1632: my $value = '';
1633: foreach my $partnum (@{$resource->{'parts'}}) {
1.54 matthew 1634: $tries = undef;
1.30 matthew 1635: $max++;
1.51 matthew 1636: $performance_length++;
1.30 matthew 1637: my $symbol = ' '; # default to space
1638: #
1.78 matthew 1639: my $awarded = 0;
1640: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1641: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1642: $awarded = 0 if (! $awarded);
1643: }
1644: #
1645: my $status = '';
1.30 matthew 1646: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1.78 matthew 1647: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1648: }
1649: #
1650: my $tries = 0;
1651: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1652: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1653: }
1654: #
1655: if ($awarded > 0) {
1656: # The student has gotten the problem correct to some degree
1657: if ($status eq 'excused') {
1658: $symbol = 'x';
1659: $max--;
1660: } elsif ($status eq 'correct_by_override') {
1.30 matthew 1661: $symbol = '+';
1662: $sum++;
1.78 matthew 1663: } elsif ($tries > 0) {
1.54 matthew 1664: if ($tries > 9) {
1.30 matthew 1665: $symbol = '*';
1.78 matthew 1666: } else {
1.54 matthew 1667: $symbol = $tries;
1.30 matthew 1668: }
1669: $sum++;
1670: } else {
1.78 matthew 1671: $symbol = '+';
1672: $sum++;
1.2 stredwic 1673: }
1.30 matthew 1674: } else {
1.78 matthew 1675: # The student has the problem incorrect or it is ungraded
1676: if ($status eq 'excused') {
1677: $symbol = 'x';
1678: $max--;
1679: } elsif ($status eq 'incorrect_by_override') {
1680: $symbol = '-';
1681: } elsif ($status eq 'ungraded_attempted') {
1682: $symbol = '#';
1683: } elsif ($status eq 'incorrect_attempted' ||
1684: $tries > 0) {
1.30 matthew 1685: $symbol = '.';
1686: } else {
1.78 matthew 1687: # Problem is wrong and has not been attempted.
1688: $symbol=' ';
1.18 matthew 1689: }
1.2 stredwic 1690: }
1.54 matthew 1691: #
1692: if (! defined($tries)) {
1693: $tries = $symbol;
1694: }
1695: push (@TriesData,$tries);
1.30 matthew 1696: #
1.47 matthew 1697: if ( ($links eq 'yes' && $symbol ne ' ') ||
1698: ($links eq 'all')) {
1.49 matthew 1699: if (length($symbol) > 1) {
1700: &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
1701: }
1.30 matthew 1702: $symbol = '<a href="/adm/grades'.
1703: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1704: '&student='.$student->{'username'}.
1.64 albertel 1705: '&userdom='.$student->{'domain'}.
1.30 matthew 1706: '&command=submission">'.$symbol.'</a>';
1707: }
1708: $value .= $symbol;
1.2 stredwic 1709: }
1.30 matthew 1710: $Str .= $value;
1.17 minaeibi 1711: }
1.51 matthew 1712: if ($seq->{'randompick'}) {
1713: $max = $seq->{'randompick'};
1714: }
1.54 matthew 1715: return ($Str,$performance_length,$sum,$max,\@TriesData);
1716: }
1717:
1718: #######################################################
1719: #######################################################
1720:
1721: =pod
1722:
1723: =item &StudentPerformanceOnSequence()
1724:
1725: Inputs:
1726:
1727: =over 4
1728:
1729: =item $student
1730:
1731: =item $studentdata Hash ref to all student data
1732:
1733: =item $seq Hash ref, the sequence we are working on
1734:
1735: =item $links if defined we will output links to each resource.
1736:
1737: =back
1738:
1739: =cut
1740:
1741: #######################################################
1742: #######################################################
1743: sub StudentPerformanceOnSequence {
1744: my ($student,$studentdata,$seq,$links) = @_;
1745: $links = 'no' if (! defined($links));
1746: my $Str = ''; # final result string
1747: my ($score,$max) = (0,0);
1748: my $performance_length = 0;
1749: my $symbol;
1750: my @ScoreData = ();
1751: my $partscore;
1752: foreach my $resource (@{$seq->{'contents'}}) {
1753: next if ($resource->{'type'} ne 'assessment');
1754: my $resource_data = $studentdata->{$resource->{'symb'}};
1755: foreach my $part (@{$resource->{'parts'}}) {
1756: $partscore = undef;
1757: my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
1758: $resource->{'symb'},
1759: $student->{'domain'},
1760: $student->{'username'},
1761: $student->{'section'});
1762: if (!defined($weight) || ($weight eq '')) {
1763: $weight=1;
1764: }
1765: #
1766: $max += $weight; # see the 'excused' branch below...
1767: $performance_length++; # one character per part
1768: $symbol = ' '; # default to space
1769: #
1770: my $awarded = 0;
1771: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
1772: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1.67 matthew 1773: $awarded = 0 if (! $awarded);
1.54 matthew 1774: }
1775: #
1776: $partscore = $weight*$awarded;
1777: $score += $partscore;
1.63 matthew 1778: $symbol = $partscore;
1.70 matthew 1779: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
1780: $symbol = sprintf("%.0f",$symbol);
1781: }
1.54 matthew 1782: if (length($symbol) > 1) {
1783: $symbol = '*';
1784: }
1785: if (exists($resource_data->{'resource.'.$part.'.solved'})) {
1786: my $status = $resource_data->{'resource.'.$part.'.solved'};
1787: if ($status eq 'excused') {
1788: $symbol = 'x';
1789: $max -= $weight; # Do not count 'excused' problems.
1790: }
1791: } else {
1792: # Unsolved. Did they try?
1793: if (exists($resource_data->{'resource.'.$part.'.tries'})){
1794: $symbol = '.';
1795: } else {
1796: $symbol = ' ';
1797: }
1798: }
1799: #
1.60 matthew 1800: if (! defined($partscore)) {
1801: $partscore = $symbol;
1802: }
1803: push (@ScoreData,$partscore);
1804: #
1.54 matthew 1805: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1806: $symbol = '<a href="/adm/grades'.
1807: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1808: '&student='.$student->{'username'}.
1.64 albertel 1809: '&userdom='.$student->{'domain'}.
1.54 matthew 1810: '&command=submission">'.$symbol.'</a>';
1811: }
1.60 matthew 1812: $Str .= $symbol;
1.54 matthew 1813: }
1814: }
1815: return ($Str,$performance_length,$score,$max,\@ScoreData);
1.1 stredwic 1816: }
1.23 minaeibi 1817:
1.28 matthew 1818: #######################################################
1819: #######################################################
1.23 minaeibi 1820:
1.2 stredwic 1821: =pod
1822:
1823: =item &CreateLegend()
1824:
1825: This function returns a formatted string containing the legend for the
1826: chart. The legend describes the symbols used to represent grades for
1827: problems.
1828:
1829: =cut
1830:
1.28 matthew 1831: #######################################################
1832: #######################################################
1.2 stredwic 1833: sub CreateLegend {
1834: my $Str = "<p><pre>".
1.13 minaeibi 1835: " 1 correct by student in 1 try\n".
1836: " 7 correct by student in 7 tries\n".
1.12 minaeibi 1837: " * correct by student in more than 9 tries\n".
1.20 minaeibi 1838: " + correct by hand grading or override\n".
1.12 minaeibi 1839: " - incorrect by override\n".
1840: " . incorrect attempted\n".
1841: " # ungraded attempted\n".
1.13 minaeibi 1842: " not attempted (blank field)\n".
1.12 minaeibi 1843: " x excused".
1.17 minaeibi 1844: "</pre><p>";
1.2 stredwic 1845: return $Str;
1846: }
1847:
1.28 matthew 1848: #######################################################
1849: #######################################################
1850:
1.30 matthew 1851: =pod
1.2 stredwic 1852:
1853: =back
1854:
1855: =cut
1856:
1.28 matthew 1857: #######################################################
1858: #######################################################
1.2 stredwic 1859:
1.28 matthew 1860: 1;
1.2 stredwic 1861:
1.1 stredwic 1862: __END__
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