1: #
2: # $Id: classcalc.pm,v 1.12 2003/09/05 01:57:54 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:
62: @Apache::classcalc::ISA = ('Apache::Spreadsheet');
63:
64: ##
65: ## Package variable
66: ##
67:
68: my @Students;
69:
70: sub initialize {
71: &Apache::lonstatistics::clear_classlist_variables();
72: @Students = &Apache::lonstatistics::get_students();
73: return;
74: }
75:
76: sub clear_package {
77: undef(@Students);
78: &Apache::studentcalc::clear_package();
79: }
80:
81: sub html_header {
82: my $self = shift;
83: my ($toprow,$bottomrow);
84: &Apache::lonstatistics::clear_classlist_variables();
85: foreach (['Sections',&Apache::lonstatistics::SectionSelect('Section','multpile',3)],
86: ['Enrollment Status',&Apache::lonhtmlcommon::StatusOptions(undef,undef,3)],
87: ['Output Format',&Apache::Spreadsheet::output_selector()]) {
88: my ($name,$selector) = @{$_};
89: $toprow .= '<th align="center"><b>'.$name.'</b></th>';
90: $bottomrow .= '<td>'.$selector.'</td>';
91: }
92: return "<p>\n<table>\n".
93: "<tr>".$toprow."</tr>\n".
94: "<tr>".$bottomrow."</tr>\n".
95: "</table>\n</p>";
96: }
97:
98: sub get_title {
99: my $self = shift;
100: # Section info should be included
101: my @title = ($self->{'coursedesc'}, scalar(localtime(time)) );
102: return @title;
103: }
104:
105: sub get_html_title {
106: my $self = shift;
107: my ($classcalc_title,$time) = $self->get_title();
108: my $title = '<h1>'.$classcalc_title."</h1>\n".'<h3>'.$time."</h3>\n";
109: return $title;
110: }
111:
112: sub parent_link {
113: return '';
114: }
115:
116: sub outsheet_html {
117: my $self = shift;
118: my ($r) = @_;
119: ###################################
120: # Determine table structure
121: ###################################
122: my $importcolor = '#88FF88';
123: my $exportcolor = '#BBBBFF';
124: my $num_uneditable = 26;
125: my $num_left = 52-$num_uneditable;
126: my $tableheader =<<"END";
127: <p>
128: <table border="2">
129: <tr>
130: <th colspan="2" rowspan="2"><font size="+2">Course</font></th>
131: <td bgcolor="$importcolor" colspan="$num_uneditable">
132: <b><font size="+1">Import</font></b></td>
133: <td colspan="$num_left">
134: <b><font size="+1">Calculations</font></b></td>
135: </tr><tr>
136: END
137: my $label_num = 0;
138: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
139: if ($label_num<$num_uneditable) {
140: $tableheader.='<th bgcolor="'.$importcolor.'">';
141: } else {
142: $tableheader.='<th>';
143: }
144: $tableheader.="<b><font size=+1>$_</font></b></th>";
145: $label_num++;
146: }
147: $tableheader.="</tr>\n";
148: #
149: $r->print($tableheader);
150: #
151: # Print out template row
152: $r->print('<tr><td>Template</td><td> </td>'.
153: $self->html_template_row($num_uneditable,$importcolor).
154: "</tr>\n");
155: #
156: # Print out summary/export row
157: $r->print('<tr><td>Summary</td><td>0</td>'.
158: $self->html_export_row($exportcolor)."</tr>\n");
159: #
160: # Prepare to output rows
161: $tableheader =<<"END";
162: </p><p>
163: <table border="2">
164: <tr><th>Row</th>
165: <th>student</th><th>username</th><th>domain</th>
166: <th>section</th><th>status</th>
167: END
168: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
169: if ($label_num<$num_uneditable) {
170: $tableheader.='<th bgcolor="'.$importcolor.'">';
171: } else {
172: $tableheader.='<th>';
173: }
174: $tableheader.="<b><font size=+1>$_</font></b></th>";
175: }
176: #
177: my $num_output = 0;
178: foreach my $student (@Students) {
179: if ($num_output++ % 50 == 0) {
180: $r->print("</table>\n".$tableheader);
181: }
182: my $rownum = $self->get_row_number_from_key
183: ($student->{'username'}.':'.$student->{'domain'});
184: my $link = '<a href="/adm/studentcalc?sname='.$student->{'username'}.
185: '&sdomain='.$student->{'domain'}.'">';
186: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
187: $r->print('<tr>'.'<td>'.$rownum.'</td>'.
188: '<td>'.$student->{'fullname'}.'</td>'.
189: '<td>'.$link.$student->{'username'}.'</a></td>'.
190: '<td>'.$student->{'domain'} .'</td>'.
191: '<td>'.$student->{'section'} .'</td>'.
192: '<td>'.$student->{'status'} .'</td>'.
193: $self->html_row($num_uneditable,$rownum,$exportcolor,
194: $importcolor).
195: "</tr>\n");
196: }
197: $r->print("</table></p>\n");
198: return;
199: }
200:
201: sub excel_rows {
202: # writes the meat of the spreadsheet to an excel worksheet. Called
203: # by Spreadsheet::outsheet_excel;
204: my $self = shift;
205: my ($worksheet,$cols_output,$rows_output) = @_;
206: #
207: # Write a header row
208: $cols_output = 0;
209: foreach my $value ('fullname','username','domain','section','status') {
210: $worksheet->write($rows_output,$cols_output++,$value);
211: }
212: $rows_output++;
213: #
214: # Write each students row
215: foreach my $student (@Students) {
216: $cols_output = 0;
217: my $rownum = $self->get_row_number_from_key
218: ($student->{'username'}.':'.$student->{'domain'});
219: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
220: my @studentdata = ($student->{'fullname'},
221: $student->{'username'},
222: $student->{'domain'},
223: $student->{'section'},
224: $student->{'status'});
225: $self->excel_output_row($worksheet,$rownum,$rows_output++,
226: @studentdata);
227: }
228: return;
229: }
230:
231: sub csv_rows {
232: # writes the meat of the spreadsheet to an excel worksheet. Called
233: # by Spreadsheet::outsheet_excel;
234: my $self = shift;
235: my ($filehandle) = @_;
236: #
237: # Write a header row
238:
239: $self->csv_output_row($filehandle,undef,
240: ('fullname','username','domain','section','status'));
241: #
242: # Write each students row
243: foreach my $student (@Students) {
244: my $rownum = $self->get_row_number_from_key
245: ($student->{'username'}.':'.$student->{'domain'});
246: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
247: my @studentdata = ($student->{'fullname'},
248: $student->{'username'},
249: $student->{'domain'},
250: $student->{'section'},
251: $student->{'status'});
252: $self->csv_output_row($filehandle,$rownum,@studentdata);
253: }
254: return;
255: }
256:
257: sub outsheet_recursive_excel {
258: my $self = shift;
259: my ($r) = @_;
260: }
261:
262: sub compute {
263: my $self = shift;
264: my ($r) = @_;
265: my $connection = $r->connection();
266: if ($connection->aborted()) { $self->cleanup(); return; }
267: $self->initialize_safe_space();
268: my %c = $self->constants();
269: my %f = $self->formulas();
270: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
271: ($r,'Spreadsheet Computation Status',
272: 'Spreadsheet Computation', scalar(@Students));
273: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
274: 'Processing course structure');
275: &Apache::studentcalc::initialize_package();
276: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
277: 'Processing first student');
278: foreach my $student (@Students) {
279: if ($connection->aborted()) { $self->cleanup(); return; }
280: my $sname = $student->{'username'}.':'.$student->{'domain'};
281: my $studentsheet = Apache::studentcalc->new
282: ($student->{'username'},$student->{'domain'},undef);
283: if ($connection->aborted()) { $self->cleanup(); return; }
284: my @exportdata = $studentsheet->export_data($r);
285: if ($connection->aborted()) { $self->cleanup(); return; }
286: my $rownum = $self->get_row_number_from_key($sname);
287: $f{'A'.$rownum} = $sname;
288: $self->{'row_source'}->{$rownum} = $sname;
289: $c{'A'.$rownum} = shift(@exportdata);
290: foreach (split(//,'BCDEFGHIJKLMNOPQRSTUVWXYZ')) {
291: my $cell = $_.$rownum;
292: my $data = shift(@exportdata);
293: if (defined($data)) {
294: $f{$cell} = 'import';
295: $c{$cell} = $data;
296: }
297: }
298: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
299: 'last student');
300: }
301: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
302: $r->rflush();
303: $self->constants(\%c);
304: $self->formulas(\%f);
305: $self->calcsheet();
306: $self->save() if ($self->need_to_save());
307: }
308:
309: 1;
310:
311: __END__
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