WPF Breadcrumb Folder TextBox

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;

namespace QuickZip.UserControls.Breadcrumb.Tools
{
    public class BreadcrumbSubItemTemplateSelector : DataTemplateSelector
    {
        private DataTemplate _subItemTemplate;
        private DataTemplate _separatorTemplate;

        public DataTemplate SubItemTemplate { get { return _subItemTemplate; } }
        public DataTemplate SeparatorTemplate { get { return _separatorTemplate; } }

        public override DataTemplate SelectTemplate(object item, DependencyObject container)
        {
            if (item is Framework.SeparatorPresenter)
                return SeparatorTemplate;
            else return SubItemTemplate;             
        }

        public BreadcrumbSubItemTemplateSelector(DataTemplate subItemTemplate, DataTemplate separatorTemplate) : base()
        {
            _subItemTemplate = subItemTemplate;
            _separatorTemplate = separatorTemplate;
        }
    }
}