1: #
2: # $Id: classcalc.pm,v 1.20 2004/06/04 21:43:36 matthew 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,$bottomrow);
85: &Apache::lonstatistics::clear_classlist_variables();
86: foreach (['Sections',&Apache::lonstatistics::SectionSelect('Section','multpile',3)],
87: ['Enrollment Status',&Apache::lonhtmlcommon::StatusOptions(undef,undef,3)],
88: ['Output Format',$self->output_selector()]) {
89: my ($name,$selector) = @{$_};
90: $toprow .= '<th align="center"><b>'.&mt($name).'</b></th>';
91: $bottomrow .= '<td>'.$selector.'</td>';
92: }
93: return "<p>\n<table>\n".
94: "<tr>".$toprow."</tr>\n".
95: "<tr>".$bottomrow."</tr>\n".
96: "</table>\n</p>";
97: }
98:
99: sub get_title {
100: my $self = shift;
101: # Section info should be included
102: my @title = ($self->{'coursedesc'}, &Apache::lonlocal::locallocaltime(time) );
103: return @title;
104: }
105:
106: sub get_html_title {
107: my $self = shift;
108: my ($classcalc_title,$time) = $self->get_title();
109: my $title = '<h1>'.$classcalc_title."</h1>\n".'<h3>'.$time."</h3>\n";
110: return $title;
111: }
112:
113: sub parent_link {
114: return '';
115: }
116:
117: sub outsheet_html {
118: my $self = shift;
119: my ($r) = @_;
120: ####################################
121: # Report any calculation errors #
122: ####################################
123: $r->print($self->html_report_error());
124: ###################################
125: # Determine table structure
126: ###################################
127: my $importcolor = '#88FF88';
128: my $exportcolor = '#BBBBFF';
129: my $num_uneditable = 26;
130: my $num_left = 52-$num_uneditable;
131: #
132: my %header=&Apache::lonlocal::texthash(
133: 'course' => 'Course',
134: 'import' => 'Import',
135: 'calculations' => 'Calculations',
136: 'student' => 'Student',
137: 'status' => 'Status',
138: 'username' => 'Username',
139: 'domain' => 'Domain',
140: 'section' => 'Section',
141: 'row' => 'Row',
142: );
143: my $tableheader =<<"END";
144: <p>
145: <table border="2">
146: <tr>
147: <th colspan="2" rowspan="2"><font size="+2">$header{'course'}</font></th>
148: <td bgcolor="$importcolor" colspan="$num_uneditable">
149: <b><font size="+1">$header{'import'}</font></b></td>
150: <td colspan="$num_left">
151: <b><font size="+1">$header{'calculations'}</font></b></td>
152: </tr><tr>
153: END
154: my $label_num = 0;
155: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
156: if ($label_num<$num_uneditable) {
157: $tableheader.='<th bgcolor="'.$importcolor.'">';
158: } else {
159: $tableheader.='<th>';
160: }
161: $tableheader.="<b><font size=+1>$_</font></b></th>";
162: $label_num++;
163: }
164: $tableheader.="</tr>\n";
165: #
166: $r->print($tableheader);
167: #
168: # Print out template row
169: $r->print('<tr><td>'.&mt('Template').'</td><td> </td>'.
170: $self->html_template_row($num_uneditable,$importcolor).
171: "</tr>\n");
172: #
173: # Print out summary/export row
174: $r->print('<tr><td>'.&mt('Summary').'</td><td>0</td>'.
175: $self->html_export_row($exportcolor)."</tr>\n");
176: #
177: # Prepare to output rows
178: $tableheader =<<"END";
179: </p><p>
180: <table border="2">
181: <tr><th>$header{'row'}</th>
182: <th>$header{'student'}</th>
183: <th>$header{'username'}</th>
184: <th>$header{'domain'}</th>
185: <th>$header{'section'}</th>
186: <th>$header{'status'}</th>
187: END
188: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
189: if ($label_num<$num_uneditable) {
190: $tableheader.='<th bgcolor="'.$importcolor.'">';
191: } else {
192: $tableheader.='<th>';
193: }
194: $tableheader.="<b><font size=+1>$_</font></b></th>";
195: }
196: #
197: my $num_output = 0;
198: foreach my $student (@Students) {
199: if ($num_output++ % 50 == 0) {
200: $r->print("</table>\n".$tableheader);
201: }
202: my $rownum = $self->get_row_number_from_key
203: ($student->{'username'}.':'.$student->{'domain'});
204: my $link = '<a href="/adm/studentcalc?sname='.$student->{'username'}.
205: '&sdomain='.$student->{'domain'}.'">';
206: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
207: $r->print('<tr>'.'<td>'.$rownum.'</td>'.
208: '<td>'.$student->{'fullname'}.'</td>'.
209: '<td>'.$link.$student->{'username'}.'</a></td>'.
210: '<td>'.$student->{'domain'} .'</td>'.
211: '<td>'.$student->{'section'} .'</td>'.
212: '<td>'.$student->{'status'} .'</td>'.
213: $self->html_row($num_uneditable,$rownum,$exportcolor,
214: $importcolor).
215: "</tr>\n");
216: }
217: $r->print("</table></p>\n");
218: return;
219: }
220:
221: sub excel_rows {
222: # writes the meat of the spreadsheet to an excel worksheet. Called
223: # by Spreadsheet::outsheet_excel;
224: my $self = shift;
225: my ($connection,$worksheet,$cols_output,$rows_output) = @_;
226: #
227: # Write a header row
228: $cols_output = 0;
229: foreach my $value ('Fullname','Username','Domain','Section','Status','ID') {
230: $worksheet->write($rows_output,$cols_output++,&mt($value));
231: }
232: $rows_output++;
233: #
234: # Write each students row
235: foreach my $student (@Students) {
236: $cols_output = 0;
237: my $rownum = $self->get_row_number_from_key
238: ($student->{'username'}.':'.$student->{'domain'});
239: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
240: my @studentdata = ($student->{'fullname'},
241: $student->{'username'},
242: $student->{'domain'},
243: $student->{'section'},
244: $student->{'status'},
245: $student->{'id'});
246: $self->excel_output_row($worksheet,$rownum,$rows_output++,
247: @studentdata);
248: }
249: return;
250: }
251:
252: sub csv_rows {
253: # writes the meat of the spreadsheet to an excel worksheet. Called
254: # by Spreadsheet::outsheet_excel;
255: my $self = shift;
256: my ($connection,$filehandle) = @_;
257: #
258: # Write a header row
259: $self->csv_output_row($filehandle,undef,
260: (&mt('Fullname'),&mt('Username'),&mt('Domain'),&mt('Section'),&mt('Status'),&mt('ID')));
261: #
262: # Write each students row
263: foreach my $student (@Students) {
264: my $rownum = $self->get_row_number_from_key
265: ($student->{'username'}.':'.$student->{'domain'});
266: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
267: my @studentdata = ($student->{'fullname'},
268: $student->{'username'},
269: $student->{'domain'},
270: $student->{'section'},
271: $student->{'status'},
272: $student->{'id'});
273: $self->csv_output_row($filehandle,$rownum,@studentdata);
274: }
275: return;
276: }
277:
278: sub output_options {
279: my $self = shift();
280: return ({value => 'htmlclasslist',
281: description => 'Student Sheet Links'},
282: {value => 'html',
283: description => 'HTML'},
284: {value => 'excel',
285: description => 'Excel'},
286: {value => 'csv',
287: description => 'Comma Separated Values'},
288: # {value => 'xml',
289: # description => 'XML'},
290: );
291: }
292:
293: sub outsheet_recursive_excel {
294: my $self = shift;
295: my ($r) = @_;
296: }
297:
298: sub outsheet_htmlclasslist {
299: my $self = shift;
300: my ($r) = @_;
301: #
302: # Determine if we should output expire caches links...
303: my $show_expire_link = 0;
304: if (exists($ENV{'user.role.dc./'.$ENV{'request.role.domain'}.'/'})){
305: $show_expire_link = 1;
306: }
307: #
308: if ($show_expire_link) {
309: $r->print('<a href="/adm/classcalc?output_format=htmlclasslist&'.
310: 'recalc=ilovewastingtime¬_first_run=1">'.
311: &mt('Expire all student spreadsheets').'</a>'.$/);
312: }
313: #
314: $r->print('<h3>'.
315: &mt('Click on a student to be taken to their spreadsheet').
316: '</h3>');
317: #
318: my %header=&Apache::lonlocal::texthash(
319: 'student' => 'Student',
320: 'status' => 'Status',
321: 'username' => 'Username',
322: 'domain' => 'Domain',
323: 'section' => 'Section',
324: );
325: #
326: # Prepare to output rows
327: my $tableheader =<<"END";
328: </p><p>
329: <table border="2">
330: <tr>
331: <th></th>
332: <th>$header{'student'}</th>
333: <th>$header{'username'}</th>
334: <th>$header{'domain'}</th>
335: <th>$header{'section'}</th>
336: <th>$header{'status'}</th>
337: END
338: if ($show_expire_link) {
339: $tableheader.= '<th> </th>';
340: }
341: $tableheader.= "</tr>\n";
342: #
343: my $num_output = 0;
344: foreach my $student (@Students) {
345: if ($num_output++ % 50 == 0) {
346: $r->print("</table>\n".$tableheader);
347: }
348: my $link = '<a href="/adm/studentcalc?sname='.$student->{'username'}.
349: '&sdomain='.$student->{'domain'}.'">';
350: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
351: $r->print('<tr>'.
352: '<td>'.$num_output.'</td>'.
353: '<td>'.$link.$student->{'fullname'}.'</a></td>'.
354: '<td>'.$link.$student->{'username'}.'</a></td>'.
355: '<td>'.$student->{'domain'} .'</td>'.
356: '<td>'.$student->{'section'} .'</td>'.
357: '<td>'.$student->{'status'} .'</td>');
358: if ($show_expire_link) {
359: $r->print('<td>'.
360: '<a href="/adm/classcalc?recalc=student:'.
361: $student->{'username'}.':'.$student->{'domain'}.'&'.
362: 'output_format=htmlclasslist&'.
363: 'not_first_run=1'.'">Expire Record</a>'.$/);
364: }
365: $r->print("</tr>\n");
366: }
367: $r->print("</table></p>\n");
368: return;
369: }
370:
371: sub compute {
372: my $self = shift;
373: my ($r) = @_;
374: my $connection = $r->connection();
375: if ($connection->aborted()) { $self->cleanup(); return; }
376: $self->initialize_safe_space();
377: my %c = $self->constants();
378: my %f = $self->formulas();
379: &Apache::studentcalc::initialize_package();
380: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
381: ($r,&mt('Spreadsheet Computation Status'),
382: &mt('Spreadsheet Computation'), scalar(@Students));
383: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
384: &mt('Processing first student'));
385: foreach my $student (@Students) {
386: if ($connection->aborted()) { $self->cleanup(); return; }
387: my $sname = $student->{'username'}.':'.$student->{'domain'};
388: my $studentsheet = Apache::studentcalc->new
389: ($student->{'username'},$student->{'domain'},undef);
390: if ($connection->aborted()) { $self->cleanup(); return; }
391: my @exportdata = $studentsheet->export_data($r);
392: if ($studentsheet->badcalc()) {
393: $self->set_calcerror($sname.' : '.
394: $studentsheet->calcerror());
395: }
396: if ($connection->aborted()) { $self->cleanup(); return; }
397: my $rownum = $self->get_row_number_from_key($sname);
398: $f{'A'.$rownum} = $sname;
399: $self->{'row_source'}->{$rownum} = $sname;
400: $c{'A'.$rownum} = shift(@exportdata);
401: foreach (split(//,'BCDEFGHIJKLMNOPQRSTUVWXYZ')) {
402: my $cell = $_.$rownum;
403: my $data = shift(@exportdata);
404: if (defined($data)) {
405: $f{$cell} = 'import';
406: $c{$cell} = $data;
407: }
408: }
409: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
410: 'last student');
411: }
412: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
413: $r->rflush();
414: $self->constants(\%c);
415: $self->formulas(\%f);
416: $self->calcsheet();
417: $self->save() if ($self->need_to_save());
418: }
419:
420: 1;
421:
422: __END__
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