1: #
2: # $Id: classcalc.pm,v 1.5 2003/05/27 14:52:45 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 Apache::Constants qw(:common :http);
50: use Apache::loncoursedata();
51: use Apache::lonhtmlcommon();
52: use Apache::Spreadsheet;
53: use Apache::studentcalc;
54: use Apache::lonstatistics();
55: use HTML::Entities();
56: use Spreadsheet::WriteExcel;
57: use Apache::lonnet;
58: use Time::HiRes;
59:
60: @Apache::classcalc::ISA = ('Apache::Spreadsheet');
61:
62: sub html_header {
63: my $self = shift;
64: my ($toprow,$bottomrow);
65: &Apache::lonstatistics::clear_classlist_variables();
66: foreach (['Sections',&Apache::lonstatistics::SectionSelect('Section','multpile',3)],
67: ['Enrollment Status',&Apache::lonhtmlcommon::StatusOptions(undef,undef,3)],
68: ['Output Format',&Apache::Spreadsheet::output_selector()]) {
69: my ($name,$selector) = @{$_};
70: $toprow .= '<th align="center"><b>'.$name.'</b></th>';
71: $bottomrow .= '<td>'.$selector.'</td>';
72: }
73: return "<p>\n<table>\n".
74: "<tr>".$toprow."</tr>\n".
75: "<tr>".$bottomrow."</tr>\n".
76: "</table>\n</p>";
77: }
78:
79: sub get_classlist {
80: my $self = shift;
81: # Retrieve the classlist and return it
82: return &Apache::lonstatistics::get_students();
83: }
84:
85: sub get_title {
86: my $self = shift;
87: # Section info should be included
88: my @title = ($self->{'coursedesc'}, scalar(localtime(time)) );
89: return @title;
90: }
91:
92: sub get_html_title {
93: my $self = shift;
94: my ($classcalc_title,$time) = $self->get_title();
95: my $title = '<h1>'.$classcalc_title."</h1>\n".'<h3>'.$time."</h3>\n";
96: return $title;
97: }
98:
99: sub parent_link {
100: return '';
101: }
102:
103: sub outsheet_html {
104: my $self = shift;
105: my ($r) = @_;
106: ###################################
107: # Determine table structure
108: ###################################
109: my $num_uneditable = 26;
110: my $num_left = 52-$num_uneditable;
111: my $tableheader =<<"END";
112: <p>
113: <table border="2">
114: <tr>
115: <th colspan="2" rowspan="2"><font size="+2">Course</font></th>
116: <td bgcolor="#FFDDDD" colspan="$num_uneditable">
117: <b><font size="+1">Import</font></b></td>
118: <td colspan="$num_left">
119: <b><font size="+1">Calculations</font></b></td>
120: </tr><tr>
121: END
122: my $label_num = 0;
123: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
124: if ($label_num<$num_uneditable) {
125: $tableheader.='<th bgcolor="#FFDDDD">';
126: } else {
127: $tableheader.='<th>';
128: }
129: $tableheader.="<b><font size=+1>$_</font></b></th>";
130: $label_num++;
131: }
132: $tableheader.="</tr>\n";
133: #
134: $r->print($tableheader);
135: #
136: # Print out template row
137: $r->print('<tr><td>Template</td><td> </td>'.
138: $self->html_template_row($num_uneditable)."</tr>\n");
139: #
140: # Print out summary/export row
141: $r->print('<tr><td>Summary</td><td>0</td>'.
142: $self->html_export_row()."</tr>\n");
143: #
144: # Prepare to output rows
145: $tableheader =<<"END";
146: </p><p>
147: <table border="2">
148: <tr><th>Row</th>
149: <th>student</th><th>username</th><th>domain</th>
150: <th>section</th><th>status</th>
151: END
152: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
153: if ($label_num<$num_uneditable) {
154: $tableheader.='<th bgcolor="#FFDDDD">';
155: } else {
156: $tableheader.='<th>';
157: }
158: $tableheader.="<b><font size=+1>$_</font></b></th>";
159: }
160: #
161: my $num_output = 0;
162: foreach my $student ($self->get_classlist()) {
163: if ($num_output++ % 50 == 0) {
164: $r->print("</table>\n".$tableheader);
165: }
166: my $rownum = $self->get_row_number_from_key
167: ($student->{'username'}.':'.$student->{'domain'});
168: my $link = '<a href="/adm/studentcalc?sname='.$student->{'username'}.
169: '&sdomain='.$student->{'domain'}.'">';
170: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
171: $r->print('<tr>'.'<td>'.$rownum.'</td>'.
172: '<td>'.$link.$student->{'fullname'}.'</a></td>'.
173: '<td>'.$student->{'username'}.'</td>'.
174: '<td>'.$student->{'domain'} .'</td>'.
175: '<td>'.$student->{'section'} .'</td>'.
176: '<td>'.$student->{'status'} .'</td>'.
177: $self->html_row($num_uneditable,$rownum)."</tr>\n");
178: }
179: $r->print("</table></p>\n");
180: return;
181: }
182:
183: sub excel_rows {
184: # writes the meat of the spreadsheet to an excel worksheet. Called
185: # by Spreadsheet::outsheet_excel;
186: my $self = shift;
187: my ($worksheet,$cols_output,$rows_output) = @_;
188: #
189: # Write a header row
190: $cols_output = 0;
191: foreach my $value ('fullname','username','domain','section','status') {
192: $worksheet->write($rows_output,$cols_output++,$value);
193: }
194: $rows_output++;
195: #
196: # Write each students row
197: foreach my $student ($self->get_classlist()) {
198: $cols_output = 0;
199: my $rownum = $self->get_row_number_from_key
200: ($student->{'username'}.':'.$student->{'domain'});
201: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
202: my @studentdata = ($student->{'fullname'},
203: $student->{'username'},
204: $student->{'domain'},
205: $student->{'section'},
206: $student->{'status'});
207: $self->excel_output_row($worksheet,$rownum,$rows_output++,
208: @studentdata);
209: }
210: return;
211: }
212:
213: sub csv_rows {
214: # writes the meat of the spreadsheet to an excel worksheet. Called
215: # by Spreadsheet::outsheet_excel;
216: my $self = shift;
217: my ($filehandle) = @_;
218: #
219: # Write a header row
220:
221: $self->csv_output_row($filehandle,undef,
222: ('fullname','username','domain','section','status'));
223: #
224: # Write each students row
225: foreach my $student ($self->get_classlist()) {
226: my $rownum = $self->get_row_number_from_key
227: ($student->{'username'}.':'.$student->{'domain'});
228: $student->{'section'} = 'none' if ($student->{'section'} eq '-1');
229: my @studentdata = ($student->{'fullname'},
230: $student->{'username'},
231: $student->{'domain'},
232: $student->{'section'},
233: $student->{'status'});
234: $self->csv_output_row($filehandle,$rownum,@studentdata);
235: }
236: return;
237: }
238:
239: sub outsheet_recursive_excel {
240: my $self = shift;
241: my ($r) = @_;
242: }
243:
244: sub compute {
245: my $self = shift;
246: my ($r) = @_;
247: $self->initialize_safe_space();
248: my %c = $self->constants();
249: my %f = $self->formulas();
250: my @Students = $self->get_classlist();
251: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
252: ($r,'Spreadsheet Computation Status',
253: 'Spreadsheet Computation', scalar(@Students));
254: &Apache::studentcalc::initialize_package();
255: foreach my $student ($self->get_classlist()) {
256: my $sname = $student->{'username'}.':'.$student->{'domain'};
257: my $studentsheet = Apache::studentcalc->new
258: ($student->{'username'},$student->{'domain'},undef);
259: my @exportdata = $studentsheet->export_data();
260: my $rownum = $self->get_row_number_from_key($sname);
261: $f{'A'.$rownum} = $sname;
262: $self->{'row_source'}->{$rownum} = $sname;
263: $c{'A'.$rownum} = shift(@exportdata);
264: foreach (split(//,'BCDEFGHIJKLMNOPQRSTUVWXYZ')) {
265: my $cell = $_.$rownum;
266: my $data = shift(@exportdata);
267: if (defined($data)) {
268: $f{$cell} = 'import';
269: $c{$cell} = $data;
270: }
271: }
272: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
273: 'last student');
274: }
275: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
276: $r->rflush();
277: $self->constants(\%c);
278: $self->formulas(\%f);
279: $self->calcsheet();
280: }
281:
282: 1;
283:
284: __END__
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