File:  [LON-CAPA] / loncom / interface / lonevaluate.pm
Revision 1.25: download - view: text, annotated - select for diffs
Tue Nov 18 19:14:22 2008 UTC (15 years, 5 months ago) by jms
Branches: MAIN
CVS tags: HEAD
Added/updated/converted POD. Many files had their POD redone to new standards.

    1: # The LearningOnline Network
    2: # Evaluate
    3: #
    4: # $Id: lonevaluate.pm,v 1.25 2008/11/18 19:14:22 jms 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: =pod
   30: 
   31: =head1 NAME
   32: 
   33: Apache::lonevaluate.pm
   34: 
   35: =head1 SYNOPSIS
   36: 
   37: Handles evaluation.
   38: 
   39: This is part of the LearningOnline Network with CAPA project
   40: described at http://www.lon-capa.org.
   41: 
   42: =head1 OVERVIEW
   43: 
   44: None
   45: 
   46: =cut
   47: 
   48: package Apache::lonevaluate;
   49: 
   50: use strict;
   51: use Apache::lonnet;
   52: use Apache::Constants qw(:common);
   53: use Apache::loncommon();
   54: use Apache::lonenc();
   55: use Apache::lonlocal;
   56: use LONCAPA();
   57: 
   58: sub handler {
   59:     my $r = shift;
   60:     &Apache::loncommon::content_type($r,'text/html');
   61:     &Apache::loncommon::no_cache($r);
   62:     
   63:     $r->send_http_header;
   64:     return OK if $r->header_only;
   65: 
   66:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']);
   67:     my $feedurl=$env{'form.postdata'};
   68:     $feedurl=~s/^http\:\/\///;
   69:     $feedurl=~s/^$ENV{'SERVER_NAME'}//;
   70:     $feedurl=~s/^$ENV{'HTTP_HOST'}//;
   71: 
   72:     $feedurl=&Apache::lonnet::declutter($feedurl);
   73: 
   74:     my $title=&Apache::lonnet::gettitle($feedurl);
   75:     my $showurl=&Apache::lonenc::check_encrypt($feedurl);
   76: 
   77:     my ($rdomain,$rauth)=($feedurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\//);
   78: 
   79:     my $prefix=$env{'user.name'}.'@'.$env{'user.domain'}.'___'.
   80: 	$feedurl.'___';
   81: 
   82:     my @items=('correct','helpful','depth','clear','technical','comments',
   83:                'timestamp');
   84: 
   85:     my @retrieve=map{ $prefix.$_ } @items;
   86: 
   87:     my %currenteval=
   88:        &Apache::lonnet::get('nohist_resevaldata',\@retrieve,$rdomain,$rauth);
   89: 
   90:     my $already=($currenteval{$prefix.'timestamp'} ne '');
   91: 
   92:     $env{'form.timestamp'}=time;
   93: 
   94:     my $warning='';
   95: 
   96:     if ($env{'form.submiteval'} eq 'true') {
   97: # ------------------------------------------------ User is submitting something
   98:         my $complete=1;
   99: 	foreach my $item (@items) {
  100: 	    if ($env{'form.'.$item}) {
  101: 		$currenteval{$prefix.$item}=$env{'form.'.$item};
  102:             } elsif ($item ne 'comments') {
  103:                 $complete=0;
  104:             }
  105:         }
  106:         if ($complete) {
  107: 	    my $showurl=&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($feedurl));
  108: 	    my $js =<<ENDJS;
  109: <script type="text/javascript">
  110:     function goback() {
  111: 	if ((window.name=='loncapaclient')) {
  112:             window.location='$showurl';
  113:         } else {
  114:             self.close();
  115:         }
  116:     }
  117: </script>
  118: ENDJS
  119: 
  120:             my $start_page = 
  121: 	        &Apache::loncommon::start_page('Evaluate Resource',$js);
  122: 	    $r->print('
  123: '.$start_page.'
  124: <h1>'.&mt('Thank you for your input!').'</h1>
  125: ');
  126:        $r->print(&mt('Saving feedback: [_1]',
  127: 		     &Apache::lonnet::put('nohist_resevaldata',\%currenteval,$rdomain,$rauth)));
  128:            unless ($already) {
  129: 	       $r->print('<br />'.&mt('Logging first evaluation'));
  130:            }
  131:            $r->print(
  132:             '<script type="text/javascript">setTimeout("goback()",2000);</script>'.&Apache::loncommon::end_page());
  133:            return OK;
  134:         } else {
  135: 	    $warning=&mt('Please fill out all fields below');
  136:         }
  137:    
  138:     }
  139: 
  140: # ---------------------------------------------------------- Dial in old values
  141:     my $dialold='';
  142:     my $oldcomments='';
  143: 
  144:     foreach my $item (@items) {
  145:        unless ($item eq 'comments') {
  146:            unless (($item eq 'timestamp') || 
  147:                    (!defined($currenteval{$prefix.$item}))) {
  148:               $dialold.=
  149:                    'document.evaluation.'.$item.'.selectedIndex='.
  150:                    $currenteval{$prefix.$item}.";\n";
  151: 	   }
  152:        } else {
  153:            $oldcomments=$currenteval{$prefix.$item};
  154:        }       
  155:     }
  156: # ------------------------------------------------------- Print out eval screen
  157:     my %lt=&Apache::lonlocal::texthash('a' => 'Strongly Disagree',
  158: 				       'b' => 'Disagree',
  159: 				       'c' => 'Neutral',
  160: 				       'd' => 'Agree',
  161: 				       'e' => 'Strongly Agree',);
  162:     my $standardoptions='';
  163:     $standardoptions = (<<ENDOPTIONS);
  164: <option value="0">-</option>
  165: <option value="1">$lt{'a'}</option>
  166: <option value="2">$lt{'b'}</option>
  167: <option value="3">$lt{'c'}</option>
  168: <option value="4">$lt{'d'}</option>
  169: <option value="5">$lt{'e'}</option>
  170: ENDOPTIONS
  171: 
  172:     my $start_page = &Apache::loncommon::start_page('Evaluate Resource');
  173:     my $end_page   = &Apache::loncommon::end_page();
  174: 
  175:      %lt=&Apache::lonlocal::texthash(
  176:        'pleaserank' => 'Please rank the following criteria:',
  177:        'correct'    => 'The material appears to be correct',
  178:        'helpful'    => 'The material is helpful',
  179:        'depth'      => 'The material is covered with sufficient depth',
  180:        'clear'      => 'The material is presented in a clear way',
  181:        'technical'  => 'The resource is technically correct (loads fast enough, does not produce errors, links work, etc)',
  182:        'comments'   => 'Any comments?',
  183:        'submit'     => 'Submit Evaluation',
  184:     );
  185:     $r->print(<<ENDDOCUMENT);
  186: $start_page
  187: <h2><tt>$title</tt></h2><br /><br />
  188: <h3><font color="red">$warning</font></h3>
  189: $lt{'pleaserank'}<br />
  190: <form method="post" name="evaluation" action="/adm/evaluate">
  191: <input type="hidden" name="submiteval" value="true" />
  192: <input type="hidden" name="postdata" value="$showurl" />
  193: <hr />
  194: $lt{'correct'}
  195: <br /><select name="correct">
  196: $standardoptions
  197: </select>
  198: <hr />
  199: $lt{'helpful'}
  200: <br /><select name="helpful">
  201: $standardoptions
  202: </select>
  203: <hr />
  204: $lt{'depth'}
  205: <br /><select name="depth">
  206: $standardoptions
  207: </select>
  208: <hr />
  209: $lt{'clear'}
  210: <br /><select name="clear">
  211: $standardoptions
  212: </select>
  213: <hr />
  214: $lt{'technical'}
  215: <br /><select name="technical">
  216: $standardoptions
  217: </select>
  218: <hr />
  219: $lt{'comments'}
  220: <br /><textarea name="comments" cols="40" rows="5">$oldcomments</textarea>
  221: <script type="text/javascript">$dialold</script>
  222: <br /><input type="submit" value="$lt{'submit'}" />
  223: </form>
  224: $end_page
  225: ENDDOCUMENT
  226:     return OK;
  227: } 
  228: 
  229: 1;
  230: __END__

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