1: # The LearningOnline Network
2: # Evaluate
3: #
4: # $Id: lonevaluate.pm,v 1.14 2004/11/11 22:47:55 albertel 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: # (Internal Server Error Handler
29: #
30: # (Login Screen
31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
33: #
34: # 3/1/1 Gerd Kortemeyer)
35: #
36: # 3/1,12/6,12/12,12/21,12/22 Gerd Kortemeyer
37: #
38: package Apache::lonevaluate;
39:
40: use strict;
41: use Apache::lonnet();
42: use Apache::Constants qw(:common);
43: use Apache::loncommon();
44: use Apache::lonenc();
45:
46: sub handler {
47: my $r = shift;
48: $r->content_type('text/html');
49: $r->send_http_header;
50: return OK if $r->header_only;
51:
52: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']);
53: my $feedurl=$ENV{'form.postdata'};
54: $feedurl=~s/^http\:\/\///;
55: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
56: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
57:
58: $feedurl=&Apache::lonnet::declutter($feedurl);
59:
60: my $title=&Apache::lonnet::gettitle($feedurl);
61: my $showurl=&Apache::lonenc::check_encrypt($feedurl);
62:
63: my ($rdomain,$rauth)=($feedurl=~/^(\w+)\/(\w+)\//);
64:
65: my $prefix=$ENV{'user.name'}.'@'.$ENV{'user.domain'}.'___'.
66: $feedurl.'___';
67:
68: my @items=('correct','helpful','depth','clear','technical','comments',
69: 'timestamp');
70:
71: my @retrieve=map{ $prefix.$_ } @items;
72:
73: my %currenteval=
74: &Apache::lonnet::get('nohist_resevaldata',\@retrieve,$rdomain,$rauth);
75:
76: my $already=($currenteval{$prefix.'timestamp'} ne '');
77:
78: $ENV{'form.timestamp'}=time;
79:
80: my $warning='';
81:
82: my $bodytag=&Apache::loncommon::bodytag('Evaluate Resource');
83:
84: if ($ENV{'form.submiteval'} eq 'true') {
85: # ------------------------------------------------ User is submitting something
86: my $complete=1;
87: foreach my $item (@items) {
88: if ($ENV{'form.'.$item}) {
89: $currenteval{$prefix.$item}=$ENV{'form.'.$item};
90: } elsif ($item ne 'comments') {
91: $complete=0;
92: }
93: }
94: if ($complete) {
95: my $showurl=&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($feedurl));
96: $r->print(<<ENDHEADER);
97: <html>
98: <head>
99: <title>Evaluation submitted</title>
100: <script>
101: function goback() {
102: if ((window.name=='loncapaclient')) {
103: window.location='$showurl';
104: } else {
105: self.close();
106: }
107: }
108: </script>
109: <meta http-equiv="pragma" content="no-cache"></meta>
110: </head>
111: $bodytag
112: <h1>Thank you for your input!</h1>
113: ENDHEADER
114: $r->print('Storing feedback: '.
115: &Apache::lonnet::put('nohist_resevaldata',\%currenteval,$rdomain,$rauth));
116: unless ($already) {
117: $r->print('<br>Logging first evaluation');
118: }
119: $r->print(
120: '<script>setTimeout("goback()",2000);</script></body></html>');
121: return OK;
122: } else {
123: $warning='Please fill out all fields below';
124: }
125:
126: }
127:
128: # ---------------------------------------------------------- Dial in old values
129: my $dialold='';
130: my $oldcomments='';
131:
132: foreach my $item (@items) {
133: unless ($item eq 'comments') {
134: unless (($item eq 'timestamp') ||
135: (!defined($currenteval{$prefix.$item}))) {
136: $dialold.=
137: 'document.evaluation.'.$item.'.selectedIndex='.
138: $currenteval{$prefix.$item}.";\n";
139: }
140: } else {
141: $oldcomments=$currenteval{$prefix.$item};
142: }
143: }
144: # ------------------------------------------------------- Print out eval screen
145: my $standardoptions=(<<ENDOPTIONS);
146: <option value=0>-</option>
147: <option value=1>Strongly Disagree</option>
148: <option value=2>Disagree</option>
149: <option value=3>Neutral</option>
150: <option value=4>Agree</option>
151: <option value=5>Strongly Agree</option>
152: ENDOPTIONS
153:
154: $r->print(<<ENDDOCUMENT);
155: <html>
156: <head>
157: <title>The LearningOnline Network with CAPA</title>
158: </head>
159: $bodytag
160: <tt>$title</tt><p>
161: <h3><font color="red">$warning</font></h3>
162: Please rank the following criteria:
163: <form method=post name=evaluation>
164: <input type=hidden name=submiteval value=true>
165: <input type=hidden name=postdata value="$showurl">
166: The material appears to be correct
167: <br><select name=correct>
168: $standardoptions
169: </select>
170: <hr>
171: The material is helpful
172: <br><select name=helpful>
173: $standardoptions
174: </select>
175: <hr>
176: The material is covered with sufficient depth
177: <br><select name=depth>
178: $standardoptions
179: </select>
180: <hr>
181: The material is presented in a clear way
182: <br><select name=clear>
183: $standardoptions
184: </select>
185: <hr>
186: The resource is technically correct
187: (loads fast enough, does not produce errors, links work, etc)
188: <br><select name=technical>
189: $standardoptions
190: </select>
191: <hr>
192: Any comments?
193: <br><textarea name=comments cols=40 rows=5>$oldcomments</textarea>
194: <script>$dialold</script>
195: <br><input type=submit value="Submit Evaluation">
196: </form>
197: </body>
198: </html>
199: ENDDOCUMENT
200: return OK;
201: }
202:
203: 1;
204: __END__
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