1: # The LearningOnline Network
2: # Evaluate
3: #
4: # $Id: lonevaluate.pm,v 1.27 2008/11/26 10:51:36 bisitz Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29:
30:
31: package Apache::lonevaluate;
32:
33: use strict;
34: use Apache::lonnet;
35: use Apache::Constants qw(:common);
36: use Apache::loncommon();
37: use Apache::lonenc();
38: use Apache::lonlocal;
39: use LONCAPA();
40:
41: sub handler {
42: my $r = shift;
43: &Apache::loncommon::content_type($r,'text/html');
44: &Apache::loncommon::no_cache($r);
45:
46: $r->send_http_header;
47: return OK if $r->header_only;
48:
49: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']);
50: my $feedurl=$env{'form.postdata'};
51: $feedurl=~s/^http\:\/\///;
52: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
53: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
54:
55: $feedurl=&Apache::lonnet::declutter($feedurl);
56:
57: my $title=&Apache::lonnet::gettitle($feedurl);
58: my $showurl=&Apache::lonenc::check_encrypt($feedurl);
59:
60: my ($rdomain,$rauth)=($feedurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\//);
61:
62: my $prefix=$env{'user.name'}.'@'.$env{'user.domain'}.'___'.
63: $feedurl.'___';
64:
65: my @items=('correct','helpful','depth','clear','technical','comments',
66: 'timestamp');
67:
68: my @retrieve=map{ $prefix.$_ } @items;
69:
70: my %currenteval=
71: &Apache::lonnet::get('nohist_resevaldata',\@retrieve,$rdomain,$rauth);
72:
73: my $already=($currenteval{$prefix.'timestamp'} ne '');
74:
75: $env{'form.timestamp'}=time;
76:
77: my $warning='';
78:
79: if ($env{'form.submiteval'} eq 'true') {
80: # ------------------------------------------------ User is submitting something
81: my $complete=1;
82: foreach my $item (@items) {
83: if ($env{'form.'.$item}) {
84: $currenteval{$prefix.$item}=$env{'form.'.$item};
85: } elsif ($item ne 'comments') {
86: $complete=0;
87: }
88: }
89: if ($complete) {
90: my $showurl=&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($feedurl));
91: my $js =<<ENDJS;
92: <script type="text/javascript">
93: function goback() {
94: if ((window.name=='loncapaclient')) {
95: window.location='$showurl';
96: } else {
97: self.close();
98: }
99: }
100: </script>
101: ENDJS
102:
103: my $start_page = &Apache::loncommon::start_page('Evaluate Resource',$js);
104: $r->print($start_page
105: .'<h1>'.&mt('Thank you for your input!').'</h1>');
106: $r->print('<div class="LC_success">'
107: .&mt('Saving feedback: [_1]'
108: ,&Apache::lonnet::put('nohist_resevaldata',\%currenteval,$rdomain,$rauth))
109: .'</div>');
110: unless ($already) {
111: $r->print('<br />'.&mt('Logging first evaluation'));
112: }
113: $r->print(
114: '<script type="text/javascript">setTimeout("goback()",2000);</script>'.&Apache::loncommon::end_page());
115: return OK;
116: } else {
117: $warning=&mt('Please fill out all fields below.');
118: }
119:
120: }
121:
122: # ---------------------------------------------------------- Dial in old values
123: my $dialold='';
124: my $oldcomments='';
125:
126: foreach my $item (@items) {
127: unless ($item eq 'comments') {
128: unless (($item eq 'timestamp') ||
129: (!defined($currenteval{$prefix.$item}))) {
130: $dialold.=
131: 'document.evaluation.'.$item.'.selectedIndex='.
132: $currenteval{$prefix.$item}.";\n";
133: }
134: } else {
135: $oldcomments=$currenteval{$prefix.$item};
136: }
137: }
138: # ------------------------------------------------------- Print out eval screen
139: my %lt=&Apache::lonlocal::texthash('a' => 'Strongly Disagree',
140: 'b' => 'Disagree',
141: 'c' => 'Neutral',
142: 'd' => 'Agree',
143: 'e' => 'Strongly Agree',);
144: my $standardoptions='';
145: $standardoptions = (<<ENDOPTIONS);
146: <option value="0">-</option>
147: <option value="1">$lt{'a'}</option>
148: <option value="2">$lt{'b'}</option>
149: <option value="3">$lt{'c'}</option>
150: <option value="4">$lt{'d'}</option>
151: <option value="5">$lt{'e'}</option>
152: ENDOPTIONS
153:
154: my $start_page = &Apache::loncommon::start_page('Evaluate Resource');
155: my $end_page = &Apache::loncommon::end_page();
156:
157: %lt=&Apache::lonlocal::texthash(
158: 'pleaserank' => 'Please rank the following criteria:',
159: 'correct' => 'The material appears to be correct',
160: 'helpful' => 'The material is helpful',
161: 'depth' => 'The material is covered with sufficient depth',
162: 'clear' => 'The material is presented in a clear way',
163: 'technical' => 'The resource is technically correct (loads fast enough, does not produce errors, links work, etc)',
164: 'comments' => 'Any comments?',
165: 'submit' => 'Submit Evaluation',
166: );
167: $r->print(<<ENDDOCUMENT);
168: $start_page
169: <h2>$title</h2>
170: <p class="LC_warning">$warning</p>
171: $lt{'pleaserank'}<br />
172: <form method="post" name="evaluation" action="/adm/evaluate">
173: <input type="hidden" name="submiteval" value="true" />
174: <input type="hidden" name="postdata" value="$showurl" />
175: <hr />
176: $lt{'correct'}
177: <br /><select name="correct">
178: $standardoptions
179: </select>
180: <hr />
181: $lt{'helpful'}
182: <br /><select name="helpful">
183: $standardoptions
184: </select>
185: <hr />
186: $lt{'depth'}
187: <br /><select name="depth">
188: $standardoptions
189: </select>
190: <hr />
191: $lt{'clear'}
192: <br /><select name="clear">
193: $standardoptions
194: </select>
195: <hr />
196: $lt{'technical'}
197: <br /><select name="technical">
198: $standardoptions
199: </select>
200: <hr />
201: $lt{'comments'}
202: <br /><textarea name="comments" cols="40" rows="5">$oldcomments</textarea>
203: <script type="text/javascript">$dialold</script>
204: <br /><input type="submit" value="$lt{'submit'}" />
205: </form>
206: $end_page
207: ENDDOCUMENT
208: return OK;
209: }
210:
211: 1;
212: __END__
213:
214: =pod
215:
216: =head1 NAME
217:
218: Apache::lonevaluate.pm
219:
220: =head1 SYNOPSIS
221:
222: Handles evaluation.
223:
224: This is part of the LearningOnline Network with CAPA project
225: described at http://www.lon-capa.org.
226:
227: =head1 OVERVIEW
228:
229: None
230:
231: =cut
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