# The LearningOnline Network
# Evaluate
#
# $Id: lonevaluate.pm,v 1.14 2004/11/11 22:47:55 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
# (Internal Server Error Handler
#
# (Login Screen
# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
#
# 3/1/1 Gerd Kortemeyer)
#
# 3/1,12/6,12/12,12/21,12/22 Gerd Kortemeyer
#
package Apache::lonevaluate;
use strict;
use Apache::lonnet();
use Apache::Constants qw(:common);
use Apache::loncommon();
use Apache::lonenc();
sub handler {
my $r = shift;
$r->content_type('text/html');
$r->send_http_header;
return OK if $r->header_only;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']);
my $feedurl=$ENV{'form.postdata'};
$feedurl=~s/^http\:\/\///;
$feedurl=~s/^$ENV{'SERVER_NAME'}//;
$feedurl=~s/^$ENV{'HTTP_HOST'}//;
$feedurl=&Apache::lonnet::declutter($feedurl);
my $title=&Apache::lonnet::gettitle($feedurl);
my $showurl=&Apache::lonenc::check_encrypt($feedurl);
my ($rdomain,$rauth)=($feedurl=~/^(\w+)\/(\w+)\//);
my $prefix=$ENV{'user.name'}.'@'.$ENV{'user.domain'}.'___'.
$feedurl.'___';
my @items=('correct','helpful','depth','clear','technical','comments',
'timestamp');
my @retrieve=map{ $prefix.$_ } @items;
my %currenteval=
&Apache::lonnet::get('nohist_resevaldata',\@retrieve,$rdomain,$rauth);
my $already=($currenteval{$prefix.'timestamp'} ne '');
$ENV{'form.timestamp'}=time;
my $warning='';
my $bodytag=&Apache::loncommon::bodytag('Evaluate Resource');
if ($ENV{'form.submiteval'} eq 'true') {
# ------------------------------------------------ User is submitting something
my $complete=1;
foreach my $item (@items) {
if ($ENV{'form.'.$item}) {
$currenteval{$prefix.$item}=$ENV{'form.'.$item};
} elsif ($item ne 'comments') {
$complete=0;
}
}
if ($complete) {
my $showurl=&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($feedurl));
$r->print(<<ENDHEADER);
<html>
<head>
<title>Evaluation submitted</title>
<script>
function goback() {
if ((window.name=='loncapaclient')) {
window.location='$showurl';
} else {
self.close();
}
}
</script>
<meta http-equiv="pragma" content="no-cache"></meta>
</head>
$bodytag
<h1>Thank you for your input!</h1>
ENDHEADER
$r->print('Storing feedback: '.
&Apache::lonnet::put('nohist_resevaldata',\%currenteval,$rdomain,$rauth));
unless ($already) {
$r->print('<br>Logging first evaluation');
}
$r->print(
'<script>setTimeout("goback()",2000);</script></body></html>');
return OK;
} else {
$warning='Please fill out all fields below';
}
}
# ---------------------------------------------------------- Dial in old values
my $dialold='';
my $oldcomments='';
foreach my $item (@items) {
unless ($item eq 'comments') {
unless (($item eq 'timestamp') ||
(!defined($currenteval{$prefix.$item}))) {
$dialold.=
'document.evaluation.'.$item.'.selectedIndex='.
$currenteval{$prefix.$item}.";\n";
}
} else {
$oldcomments=$currenteval{$prefix.$item};
}
}
# ------------------------------------------------------- Print out eval screen
my $standardoptions=(<<ENDOPTIONS);
<option value=0>-</option>
<option value=1>Strongly Disagree</option>
<option value=2>Disagree</option>
<option value=3>Neutral</option>
<option value=4>Agree</option>
<option value=5>Strongly Agree</option>
ENDOPTIONS
$r->print(<<ENDDOCUMENT);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
$bodytag
<tt>$title</tt><p>
<h3><font color="red">$warning</font></h3>
Please rank the following criteria:
<form method=post name=evaluation>
<input type=hidden name=submiteval value=true>
<input type=hidden name=postdata value="$showurl">
The material appears to be correct
<br><select name=correct>
$standardoptions
</select>
<hr>
The material is helpful
<br><select name=helpful>
$standardoptions
</select>
<hr>
The material is covered with sufficient depth
<br><select name=depth>
$standardoptions
</select>
<hr>
The material is presented in a clear way
<br><select name=clear>
$standardoptions
</select>
<hr>
The resource is technically correct
(loads fast enough, does not produce errors, links work, etc)
<br><select name=technical>
$standardoptions
</select>
<hr>
Any comments?
<br><textarea name=comments cols=40 rows=5>$oldcomments</textarea>
<script>$dialold</script>
<br><input type=submit value="Submit Evaluation">
</form>
</body>
</html>
ENDDOCUMENT
return OK;
}
1;
__END__
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