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package Tk::DragDrop::Common;
use strict;
use Carp;
use vars qw($VERSION);
$VERSION = '4.004'; # $Id: //depot/Tkutf8/DragDrop/DragDrop/Common.pm#4 $
sub Type
{
my ($base,$name,$class) = @_;
no strict 'refs';
my $hash = \%{"${base}::type"};
my $array = \@{"${base}::types"};
unless (exists $hash->{$name})
{
push(@$array,$name);
$class = (caller(0))[0] unless (@_ > 2);
$hash->{$name} = $class;
# confess "Strange class $class for $base/$name" unless ($class =~ /^Tk/);
# print "$base $name is ",$class,"\n";
}
}
sub import
{
my $class = shift;
no strict 'refs';
my $types = \%{"${class}::type"};
while (@_)
{
my $type = shift;
unless (exists $types->{$type})
{
if ($type eq 'Local')
{
$class->Type($type,$class);
}
else
{
my ($kind) = $class =~ /([A-Z][a-z]+)$/;
my $file = Tk->findINC("DragDrop/${type}${kind}.pm");
if (defined $file)
{
# print "Loading $file\n";
require $file;
}
else
{
croak "Cannot find ${type}${kind}";
}
}
}
}
}
1;
__END__
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