1: #
2: # $Id: classcalc.pm,v 1.30 2010/12/03 21:33:56 www Exp $
3: #
4: # Copyright Michigan State University Board of Trustees
5: #
6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
7: #
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: # The LearningOnline Network with CAPA
27: # Spreadsheet/Grades Display Handler
28: #
29: # POD required stuff:
30:
31: =head1 NAME
32:
33: classcalc
34:
35: =head1 SYNOPSIS
36:
37: =head1 DESCRIPTION
38:
39: =over 4
40:
41: =cut
42:
43: ###################################################
44: ### CourseSheet ###
45: ###################################################
46: package Apache::classcalc;
47:
48: use strict;
49: use warnings FATAL=>'all';
50: no warnings 'uninitialized';
51: use Apache::Constants qw(:common :http);
52: use Apache::loncoursedata();
53: use Apache::lonhtmlcommon();
54: use Apache::Spreadsheet;
55: use Apache::studentcalc;
56: use Apache::lonstatistics();
57: use HTML::Entities();
58: use Spreadsheet::WriteExcel;
59: use Apache::lonnet;
60: use Time::HiRes;
61: use Apache::lonlocal;
62:
63: @Apache::classcalc::ISA = ('Apache::Spreadsheet');
64:
65: ##
66: ## Package variable
67: ##
68:
69: my @Students;
70:
71: sub initialize {
72: &Apache::lonstatistics::clear_classlist_variables();
73: @Students = &Apache::lonstatistics::get_students();
74: return;
75: }
76:
77: sub clear_package {
78: undef(@Students);
79: &Apache::studentcalc::clear_package();
80: }
81:
82: sub html_header {
83: my $self = shift;
84: my ($toprow,$bottomrow);
85: &Apache::lonstatistics::clear_classlist_variables();
86: foreach (['Sections',&Apache::lonstatistics::SectionSelect('Section','multiple',3)],
87: ['Groups',&Apache::lonstatistics::GroupSelect('Group','multiple',3)],
88: ['Access Status',&Apache::lonhtmlcommon::StatusOptions(undef,undef,3)],
89: ['Output Format',$self->output_selector()]) {
90: my ($name,$selector) = @{$_};
91: $toprow .= '<th align="center"><b>'.&mt($name).'</b></th>';
92: $bottomrow .= '<td>'.$selector.'</td>';
93: }
94: my $status .= '<p><span class="LC_nobreak">'
95: .&mt('Status: [_1]',
96: '<input type="text" name="spreadsheet_status"'
97: .' size="60" value="" readonly="readonly" />')
98: .'</span></p>';
99:
100: return "<p>\n<table>\n".
101: "<tr>".$toprow."</tr>\n".
102: "<tr>".$bottomrow."</tr>\n".
103: "</table>\n".$status."\n".
104: "</p>";
105: }
106:
107: sub get_title {
108: my $self = shift;
109: # Section info should be included
110: my @title = ($self->{'coursedesc'}, &Apache::lonlocal::locallocaltime(time) );
111: return @title;
112: }
113:
114: sub get_html_title {
115: my $self = shift;
116: my ($classcalc_title,$time) = $self->get_title();
117: my $title = '<h1>'.$classcalc_title."</h1>\n".'<h3>'.$time."</h3>\n";
118: return $title;
119: }
120:
121: sub parent_link {
122: return '';
123: }
124:
125: sub outsheet_html {
126: my $self = shift;
127: my ($r) = @_;
128: ####################################
129: # Report any calculation errors #
130: ####################################
131: $r->print($self->html_report_error());
132: ###################################
133: # Determine table structure
134: ###################################
135: my $importcolor = '#88FF88';
136: my $exportcolor = '#BBBBFF';
137: my $num_uneditable = 26;
138: my $num_left = 52-$num_uneditable;
139: #
140: my %header=&Apache::lonlocal::texthash(
141: 'course' => 'Course',
142: 'import' => 'Import',
143: 'calculations' => 'Calculations',
144: 'student' => 'Student',
145: 'status' => 'Status',
146: 'username' => 'Username',
147: 'domain' => 'Domain',
148: 'section' => 'Section',
149: 'groups' => 'Groups',
150: 'row' => 'Row',
151: );
152: my $tableheader =<<"END";
153: <p>
154: <table border="2">
155: <tr>
156: <th colspan="2" rowspan="2"><font size="+2">$header{'course'}</font></th>
157: <td bgcolor="$importcolor" colspan="$num_uneditable">
158: <b><font size="+1">$header{'import'}</font></b></td>
159: <td colspan="$num_left">
160: <b><font size="+1">$header{'calculations'}</font></b></td>
161: </tr><tr>
162: END
163: my $label_num = 0;
164: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
165: if ($label_num<$num_uneditable) {
166: $tableheader.='<th bgcolor="'.$importcolor.'">';
167: } else {
168: $tableheader.='<th>';
169: }
170: $tableheader.="<b><font size=+1>$_</font></b></th>";
171: $label_num++;
172: }
173: $tableheader.="</tr>\n";
174: #
175: $r->print($tableheader);
176: #
177: # Print out template row
178: $r->print('<tr><td>'.&mt('Template').'</td><td> </td>'.
179: $self->html_template_row($num_uneditable,$importcolor).
180: "</tr>\n");
181: #
182: # Print out summary/export row
183: $r->print('<tr><td>'.&mt('Summary').'</td><td>0</td>'.
184: $self->html_export_row($exportcolor)."</tr>\n");
185: #
186: # Prepare to output rows
187: $tableheader =<<"END";
188: </p><p>
189: <table border="2">
190: <tr><th>$header{'row'}</th>
191: <th>$header{'student'}</th>
192: <th>$header{'username'}</th>
193: <th>$header{'domain'}</th>
194: <th>$header{'section'}</th>
195: <th>$header{'groups'}</th>
196: <th>$header{'status'}</th>
197: END
198: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
199: if ($label_num<$num_uneditable) {
200: $tableheader.='<th bgcolor="'.$importcolor.'">';
201: } else {
202: $tableheader.='<th>';
203: }
204: $tableheader.="<b><font size=+1>$_</font></b></th>";
205: }
206: #
207: my $num_output = 0;
208: foreach my $student (@Students) {
209: if ($num_output++ % 50 == 0) {
210: $r->print("</table>\n".$tableheader);
211: }
212: my $rownum = $self->get_row_number_from_key
213: ($student->{'username'}.':'.$student->{'domain'});
214: my $link = '<a href="/adm/studentcalc?sname='.$student->{'username'}.
215: '&sdomain='.$student->{'domain'}.'">';
216: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
217: $r->print('<tr>'.'<td>'.$rownum.'</td>'.
218: '<td>'.$student->{'fullname'}.'</td>'.
219: '<td>'.$link.$student->{'username'}.'</a></td>'.
220: '<td>'.$student->{'domain'} .'</td>'.
221: '<td>'.$student->{'section'} .'</td>'.
222: '<td>'.$student->{'groups'} .'</td>'.
223: '<td>'.$student->{'status'} .'</td>'.
224: $self->html_row($num_uneditable,$rownum,$exportcolor,
225: $importcolor).
226: "</tr>\n");
227: }
228: $r->print("</table></p>\n");
229: return;
230: }
231:
232: sub excel_rows {
233: # writes the meat of the spreadsheet to an excel worksheet. Called
234: # by Spreadsheet::outsheet_excel;
235: my $self = shift;
236: my ($connection,$worksheet,$cols_output,$rows_output,$format) = @_;
237: #
238: # Write a header row
239: $cols_output = 0;
240: foreach my $value ('Fullname','Username','Domain','Section','Group','Status','ID') {
241: $worksheet->write($rows_output,$cols_output++,&mt($value),$format->{'h4'});
242: }
243: $rows_output++;
244: #
245: # Write each students row
246: foreach my $student (@Students) {
247: $cols_output = 0;
248: my $rownum = $self->get_row_number_from_key
249: ($student->{'username'}.':'.$student->{'domain'});
250: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
251: my @studentdata = ($student->{'fullname'},
252: $student->{'username'},
253: $student->{'domain'},
254: $student->{'section'},
255: $student->{'groups'},
256: $student->{'status'},
257: $student->{'id'});
258: $self->excel_output_row($worksheet,$rownum,$rows_output++,
259: @studentdata);
260: }
261: return;
262: }
263:
264: sub csv_rows {
265: # writes the meat of the spreadsheet to an excel worksheet. Called
266: # by Spreadsheet::outsheet_excel;
267: my $self = shift;
268: my ($connection,$filehandle) = @_;
269: #
270: # Write a header row
271: $self->csv_output_row($filehandle,undef,
272: (&mt('Fullname'),&mt('Username'),&mt('Domain'),&mt('Section'),&mt('Group'),&mt('Status'),&mt('ID')));
273: #
274: # Write each students row
275: foreach my $student (@Students) {
276: my $rownum = $self->get_row_number_from_key
277: ($student->{'username'}.':'.$student->{'domain'});
278: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
279: my @studentdata = ($student->{'fullname'},
280: $student->{'username'},
281: $student->{'domain'},
282: $student->{'section'},
283: $student->{'groups'},
284: $student->{'status'},
285: $student->{'id'});
286: $self->csv_output_row($filehandle,$rownum,@studentdata);
287: }
288: return;
289: }
290:
291: sub output_options {
292: my $self = shift();
293: return ({value => 'htmlclasslist',
294: description => 'Student Sheet Links'},
295: {value => 'source',
296: description => 'Show Source'},
297: {value => 'html',
298: description => 'HTML'},
299: {value => 'excel',
300: description => 'Excel'},
301: {value => 'csv',
302: description => 'Comma Separated Values'},
303: # {value => 'xml',
304: # description => 'XML'},
305: );
306: }
307:
308: sub outsheet_recursive_excel {
309: my $self = shift;
310: my ($r) = @_;
311: }
312:
313: sub outsheet_htmlclasslist {
314: my $self = shift;
315: my ($r) = @_;
316: #
317: # Determine if we should output expire caches links...
318: my $show_expire_link = 0;
319: if (exists($env{'user.role.dc./'.$env{'request.role.domain'}.'/'})){
320: $show_expire_link = 1;
321: }
322: #
323: if ($show_expire_link) {
324: $r->print('<a href="/adm/classcalc?output_format=htmlclasslist&'.
325: 'recalc=expireallsheets¬_first_run=1">'.
326: &mt('Expire all student spreadsheets').'</a>'.$/);
327: }
328: #
329: $r->print('<h3>'.
330: &mt('Click on a student to be taken to their spreadsheet').
331: '</h3>');
332: #
333: my %header=&Apache::lonlocal::texthash(
334: 'student' => 'Student',
335: 'status' => 'Status',
336: 'username' => 'Username',
337: 'domain' => 'Domain',
338: 'section' => 'Section',
339: 'groups' => 'Groups',
340: );
341: #
342: # Prepare to output rows
343: my $tableheader =<<"END";
344: </p><p>
345: <table border="2">
346: <tr>
347: <th></th>
348: <th>$header{'student'}</th>
349: <th>$header{'username'}</th>
350: <th>$header{'domain'}</th>
351: <th>$header{'section'}</th>
352: <th>$header{'groups'}</th>
353: <th>$header{'status'}</th>
354: END
355: if ($show_expire_link) {
356: $tableheader.= '<th> </th>';
357: }
358: $tableheader.= "</tr>\n";
359: #
360: my $num_output = 0;
361: foreach my $student (@Students) {
362: if ($num_output++ % 50 == 0) {
363: $r->print("</table>\n".$tableheader);
364: }
365: my $link = '<a href="/adm/studentcalc?sname='.$student->{'username'}.
366: '&sdomain='.$student->{'domain'}.'">';
367: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
368: $r->print('<tr>'.
369: '<td>'.$num_output.'</td>'.
370: '<td>'.$link.$student->{'fullname'}.'</a></td>'.
371: '<td>'.$link.$student->{'username'}.'</a></td>'.
372: '<td>'.$student->{'domain'} .'</td>'.
373: '<td>'.$student->{'section'} .'</td>'.
374: '<td>'.$student->{'groups'} .'</td>'.
375: '<td>'.$student->{'status'} .'</td>');
376: if ($show_expire_link) {
377: $r->print('<td>'.
378: '<a href="/adm/classcalc?recalc=student:'.
379: $student->{'username'}.':'.$student->{'domain'}.'&'.
380: 'output_format=htmlclasslist&'.
381: 'not_first_run=1'.'">Expire Record</a>'.$/);
382: }
383: $r->print("</tr>\n");
384: }
385: $r->print("</table></p>\n");
386: return;
387: }
388:
389: sub update_status {
390: my ($r,$message) = @_;
391: $r->print('<script>'.
392: 'window.document.sheet.spreadsheet_status.value="'.
393: $message.
394: '";</script>');
395: $r->rflush();
396: return;
397: }
398:
399: sub compute {
400: my $self = shift;
401: my ($r) = @_;
402: my $connection = $r->connection();
403: if ($connection->aborted()) { $self->cleanup(); return; }
404: $self->initialize_safe_space();
405: my %c = $self->constants();
406: my %f = $self->formulas();
407: &update_status($r,'Initializing Course Structure');
408: &Apache::studentcalc::initialize_package();
409: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
410: ($r,&mt('Spreadsheet Computation Status'),
411: &mt('Spreadsheet Computation'), scalar(@Students),'inline',undef,
412: 'sheet','spreadsheet_status');
413: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
414: &mt('Processing first student'));
415: foreach my $student (@Students) {
416: if ($connection->aborted()) { $self->cleanup(); return; }
417: my $sname = $student->{'username'}.':'.$student->{'domain'};
418: my $studentsheet = Apache::studentcalc->new
419: ($student->{'username'},$student->{'domain'},undef,undef,
420: $student->{'section'},$student->{'groupref'} );
421: if ($connection->aborted()) { $self->cleanup(); return; }
422: my @exportdata = $studentsheet->export_data($r);
423: if ($studentsheet->badcalc()) {
424: $self->set_calcerror($sname.' : '.
425: $studentsheet->calcerror());
426: }
427: if ($connection->aborted()) { $self->cleanup(); return; }
428: my $rownum = $self->get_row_number_from_key($sname);
429: $f{'A'.$rownum} = $sname;
430: $self->{'row_source'}->{$rownum} = $sname;
431: $c{'A'.$rownum} = shift(@exportdata);
432: foreach (split(//,'BCDEFGHIJKLMNOPQRSTUVWXYZ')) {
433: my $cell = $_.$rownum;
434: my $data = shift(@exportdata);
435: if (defined($data)) {
436: $f{$cell} = 'import';
437: $c{$cell} = $data;
438: }
439: }
440: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
441: 'last student');
442: }
443: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
444: &update_status($r,'Done computing student sheets');
445: $r->rflush();
446: $self->constants(\%c);
447: $self->formulas(\%f);
448: $self->calcsheet();
449: $self->save() if ($self->need_to_save());
450: &update_status($r,'Done!');
451: }
452:
453: 1;
454:
455: __END__
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