using System.Collections.ObjectModel;
using PipeGallery.Manage;
using PipeGallery.Model;

namespace PipeGallery.ViewModel
{
    public class MenuViewModel : ModelBase
    {
        private ObservableCollection<MenuInfo> _menuInfos = null;

        public ObservableCollection<MenuInfo> MenuInfos
        {
            get
            {
                if (_menuInfos == null)
                {
                    _menuInfos = new ObservableCollection<MenuInfo>();
                }

                return _menuInfos;
            }
            set { _menuInfos = value; }
        }


        #region 单例

        public MenuViewModel()
        {
        }

        private static MenuViewModel _instance = null;

        public static MenuViewModel Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new MenuViewModel();
                    DataFactory.InitalMenuData();
                }

                return _instance;
            }
        }

        #endregion
    }
}