File:  [LON-CAPA] / rat / lonratparms.pm
Revision 1.28: download - view: text, annotated - select for diffs
Thu Apr 23 17:26:27 2009 UTC (15 years ago) by bisitz
Branches: MAIN
CVS tags: version_2_9_X, version_2_9_99_0, version_2_9_1, version_2_9_0, version_2_8_99_1, version_2_8_99_0, version_2_10_X, version_2_10_1, version_2_10_0_RC2, version_2_10_0_RC1, version_2_10_0, loncapaMITrelate_1, language_hyphenation_merge, language_hyphenation, bz6209-base, bz6209, bz5969, bz2851, HEAD, GCI_3, GCI_2
- XHTML: Added quotation marks to HTML attribute values
- Localization: Optimized &mt usage

# The LearningOnline Network with CAPA
# Set parameters inside of the RAT
#
# $Id: lonratparms.pm,v 1.28 2009/04/23 17:26:27 bisitz 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::lonratparms;

use strict;
use Apache::Constants qw(:common);
use Apache::lonhtmlcommon();
use Apache::lonlocal;
use Apache::lonnet;

sub handler {
    my $r = shift;
    &Apache::loncommon::content_type($r,'text/html');
    $r->send_http_header;
    return OK if $r->header_only;

# Get query string for limited number of parameters

    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                            ['url','parms','resid']);

# ------------------------------------------------------------------- Read file

  my $uri=$env{'form.url'}.'.meta';
  
  my %content;
  my %type;
  my %display;
  my %value;
  
# ---------------------------------------------------------- Current Parameters

  foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
      if ($_=~/^parameter\_/) {
         $content{$_}=&Apache::lonnet::metadata($uri,$_);
         $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
         $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
      }
  }

  foreach (split(/\:/,$env{'form.parms'})) {
      my ($ptype,$pname,$pvalue)=split(/\_\_\_/,$_);
      unless ($pname) { next; }
      unless ($type{$pname}) { $type{$pname}=$ptype; }
      $value{$pname}=$pvalue;
      $content{$pname}=$pvalue;
      $type{$pname}=$ptype;
      $display{$pname}=&mt('Custom Parameter');
  } 
  
# --------------------------------------------------- Print input screen header
    my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();

    my %lt=&Apache::lonlocal::texthash('pa' => 'Parameter',
			               'de' => 'Default',
				       'va' => 'Value',
				       'se' => 'Set?');
    my $js = (<<ENDHEADER);
<script type="text/javascript">

    function pclose() {
        parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
                 "height=350,width=350,scrollbars=no,menubar=no");
        parmwin.close();
    }

    $pjump_def

    function stpr() {
        eval("document.parameters."+document.parameters.pres_marker.value+
            ".value=document.parameters.pres_value.value");
        pclose();
    }


function setparms() {
ENDHEADER
    $js .= 'var colon=""; opener.objparms['.$env{'form.resid'}.']="";';
    foreach my $key (keys(%content)) {
	$js .= "\nif (document.parameters.def_".$key.
       '.checked) { opener.objparms['.$env{'form.resid'}.
       ']+=colon+"'.$type{$key}.
       '___'.$key.'___"+document.parameters.'.$key.'.value; colon=":"; }'; 
    }
    $js .= '
    opener.save();
    window.close();
}
</script>
';
    my $start_page =
	&Apache::loncommon::start_page('Set Resource Parameters in Map',$js);

    $r->print(<<ENDDOCUMENT);
$start_page
<form action="javascript:setparms();" method="post" name="parameters">
<input type="hidden" value="" name="pres_value" />
<input type="hidden" value="" name="pres_type" />
<input type="hidden" value="" name="pres_marker" />
<table border="2">
<tr><th>$lt{'pa'}</th><th>$lt{'de'}</th><th>$lt{'va'}</th><th>$lt{'se'}</th></tr>
ENDDOCUMENT

###    %display=&Apache::lonlocal::texthash(%display);
    my $enter=&mt('Enter');
    foreach my $key (sort(keys(%content))) {
        my $cur=$content{$key};
        # Should if(defined($value{$key})) be if(exists($value{$key})) ?
        if (defined($value{$key})) { $cur=$value{$key}; };
        $r->print(<<"END");
<tr><td><b>$display{$key}</b><br /><tt>$key</tt></td>
<td>&nbsp;$content{$key}</td>
<td><input type="text" size="10" name="$key" value="$cur" />&nbsp;
<a href='javascript:pjump("$type{$key}","$display{$key}",document.parameters.$key.value,"$key","parameters.pres","stpr");'>$enter</a></td>
<td><input type="checkbox" name="def_$key" 
END
        if ($value{$key}) { $r->print(' checked="checked"'); }
        $r->print(' /></td></tr>');
    }
    $r->print('</table><br />
               <input type="submit" value="'.&mt('Set').'" /></form>'.
	      &Apache::loncommon::end_page());
    return OK;
} 

1;
__END__



=head1 NAME

Apache::lonratparams

=head1 SYNOPSIS

Handler to set resource parameters inside of
the RAT based on metadata.

This is part of the LearningOnline Network with CAPA project
described at http://www.lon-capa.org.

=head1 HANDLER SUBROUTINE

handler()

=head1 OTHER SUBROUTINES

=over

=item *

none

=back

=cut


FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.