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package RT::ObjectCustomField;

use strict;
no warnings qw(redefine);

sub Create {
    my $self = shift;
    my %args = ( 
                CustomField => '0',
                ObjectId => '0',
		SortOrder => undef,
		  @_);

    if (!defined $args{SortOrder}) {
	my $CF = $self->CustomFieldObj($args{'CustomField'});
	my $ObjectCFs = RT::ObjectCustomFields->new($self->CurrentUser);
	$ObjectCFs->LimitToObjectId($args{'ObjectId'});
	$ObjectCFs->LimitToLookupType($CF->LookupType);

	$args{SortOrder} = $ObjectCFs->Count + 1;
    }

    $self->SUPER::Create(
                         CustomField => $args{'CustomField'},
                         ObjectId => $args{'ObjectId'},
                         SortOrder => $args{'SortOrder'},
		     );
}

sub Delete {
    my $self = shift;

    my $ObjectCFs = RT::ObjectCustomFields->new($self->CurrentUser);
    $ObjectCFs->LimitToObjectId($self->ObjectId);
    $ObjectCFs->LimitToLookupType($self->CustomFieldObj->LookupType);

    # Move everything below us up
    my $sort_order = $self->SortOrder;
    while (my $OCF = $ObjectCFs->Next) {
	my $this_order = $OCF->SortOrder;
	next if $this_order <= $sort_order; 
	$OCF->SetSortOrder($this_order - 1);
    }

    $self->SUPER::Delete;
}

sub CustomFieldObj {
    my $self = shift;
    my $id = shift || $self->CustomField;
    my $CF = RT::CustomField->new($self->CurrentUser);
    $CF->Load($id) or die "Cannot load CustomField $id";
    return $CF;
}

1;