# The LearningOnline Network
# Evaluate
#
# $Id: lonevaluate.pm,v 1.20 2006/12/05 02:55:52 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/
#
package Apache::lonevaluate;
use strict;
use Apache::lonnet;
use Apache::Constants qw(:common);
use Apache::loncommon();
use Apache::lonenc();
use LONCAPA();
sub handler {
my $r = shift;
&Apache::loncommon::content_type($r,'text/html');
&Apache::loncommon::no_cache($r);
$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)=($feedurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\//);
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 $warning='';
if ($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));
my $js =<<ENDJS;
<script type="text/javascript">
function goback() {
if ((window.name=='loncapaclient')) {
window.location='$showurl';
} else {
self.close();
}
}
</script>
ENDJS
my $start_page =
&Apache::loncommon::start_page('Evaluate Resource',$js);
$r->print(<<ENDHEADER);
$start_page
<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 type="text/javascript">setTimeout("goback()",2000);</script>'.&Apache::loncommon::end_page());
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
my $start_page = &Apache::loncommon::start_page('Evaluate Resource');
my $end_page = &Apache::loncommon::end_page();
$r->print(<<ENDDOCUMENT);
$start_page
<tt>$title</tt><br /><br />
<h3><font color="red">$warning</font></h3>
Please rank the following criteria:
<form method="post" name="evaluation" action="/adm/evaluate">
<input type="hidden" name="submiteval" value="true" />
<input type="hidden" name="postdata" value="$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 type="text/javascript">$dialold</script>
<br /><input type="submit" value="Submit Evaluation" />
</form>
$end_page
ENDDOCUMENT
return OK;
}
1;
__END__
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