File:  [LON-CAPA] / rat / lonratparms.pm
Revision 1.4: download - view: text, annotated - select for diffs
Sun Jul 1 02:21:18 2001 UTC (22 years, 8 months ago) by www
Branches: MAIN
CVS tags: HEAD
A little bit more working

# The LearningOnline Network with CAPA
# Set parameters inside of the RAT
#
# (Search Catalog
#
# (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 Gerd Kortemeyer)
#
# 03/03/01,06/15,06/25,06/26,06/30 Gerd Kortemeyer
#
package Apache::lonratparms;

use strict;
use Apache::Constants qw(:common);

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

# Get query string for limited number of parameters

    map {
       my ($name, $value) = split(/=/,$_);
       $value =~ tr/+/ /;
       $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
       if (($name eq 'url') || ($name eq 'parms') || 
           ($name eq 'resid')) {
           unless ($ENV{'form.'.$name}) {
              $ENV{'form.'.$name}=$value;
	   }
       }
    } (split(/&/,$ENV{'QUERY_STRING'}));


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

  my $uri=$ENV{'form.url'}.'.meta';
  
  my %content;
  my %type;
  my %value;
  
  map {
      if ($_=~/^parameter\_/) {
         $content{$_}=&Apache::lonnet::metadata($uri,$_);
      }
  } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));

# ---------------------------------------------------------- Current Parameters

  map {
      my ($ptype,$pname,$pvalue)=split(/\_\_\_/,$_);
      $type{$pname}=$ptype;
      $value{$pname}=$pvalue;
  } split(/\:/,$ENV{'form.params'});
  
# --------------------------------------------------- Print input screen header
    $r->print(<<ENDHEADER);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
<script language="JavaScript">
function setparms() {
ENDHEADER
    $r->print('opener.objparms['.$ENV{'form.resid'}.']="";');
    map {
       $r->print("\nif (document.parameters.def_".$_.
       '.value=="on") { opener.objparms['.$ENV{'form.resid'}.
       ']+="'.$type{$_}.'___'.$_.'___"+document.parameters.'.$_.'.value; }');       
    } keys %content;
    $r->print(<<ENDDOCUMENT);
    window.close();
}
</script>
</head>
<body bgcolor="#FFFFFF">
<h1>Set Resource Parameters in Map</h1>
<form action="javascript:setparms();" method="post" name="parameters">
<table border=2>
<tr><th>Parameter</th><th>Default</th><th>Value</th><th>Set?</th></tr>
ENDDOCUMENT
    my $cur=$content{$_};
    if (defined($value{$_})) { $cur=$value{$_}; }
    map {
        $r->print('<tr><td>'.$_.'</td><td>&nbsp;'.$content{$_}.
        '</td><td><input type="text" name="'.$_.'" value="'.$cur.
        '"></td><td><input type="checkbox" name="def_'.$_.
        '" value="off"></td></tr>');
    } keys %content;
    $r->print(
        '</table><br><input type="submit" value="Set"></form></body></html>');
    return OK;
} 

1;
__END__

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