public BookLocationShowViewModel(IUnityContainer container, IRegionManager regionManager)
        {
            this.container = container; this.regionManager = regionManager;
            this.eventAggregator = container.Resolve<IEventAggregator>();
            this.dispatcherService = container.Resolve<IDispatcherService>();
            //初始化UI的变量
            this.bookName = ""; this.bookAccessCode = ""; this.bookLocation = "";
            //初始化两个地图画板
            this.libraryMapService = this.container.Resolve<DrawMapService>();
            this.libraryMapService.initOneShapMap(150, 400, 150, 400);
            this.libraryMapService.drawOneShapeMapBackground();
            //this.LibraryMapService = this.LibraryMapService; //通知更新UI

            //this.libraryMapService.initLibraryShelfMap(600,400,25000,22000);
            this.libraryMapService.initLibraryShelfMap(660, 400, 25000, 22000);
            //测试代码开始
            this.libraryMapService.drawLibraryShelfMapBackgroundByLibraryName("图书馆W区6层22行3列A面书架第4层");//画出主书库的背景图,例如地板,测试代码
            //测试代码结束
            this.LibraryMapService = this.LibraryMapService;//通知更新UI

        }
        private void clearBookInformation()
        {
            this.BookName = ""; this.BookAccessCode = ""; this.BookLocation = "";
            this.libraryMapService.reinitOneShapMap();//刷新UI
            this.libraryMapService.drawOneShapeMapBackground();
            //this.LibraryMapService = this.LibraryMapService; //通知更新UI,没必要重复了,等下面操作一起刷新

            this.libraryMapService.reinitLibraryShelfMap();
            this.LibraryMapService = this.LibraryMapService;//通知更新UI
        }
        private void handleNewItemFromRFID(RFIDContent newItem)
        {
            if (newItem.bookRfidList.Count() != 0)
            {
                IBookLocationService bookLocationService = this.container.Resolve<IBookLocationService>();
                IBookInformationService bookInformationService = this.container.Resolve<IBookInformationService>();
                
                List<String> bookNameList = bookInformationService.getBookNameListByRfidList(newItem.bookRfidList);
                List<String> bookAccessCodeList = bookInformationService.getBookAccessCodeListByRfidList(newItem.bookRfidList);
                this.dispatcherService.Dispatch(() =>
                {//显示图书基本信息
                    this.BookName = bookNameList[0];
                    this.BookAccessCode = bookAccessCodeList[0];
                });               

                String shelfRfid = bookLocationService.getShelfRfidbyBookRfid(newItem.bookRfidList[0]);
                String bookLocationString = bookLocationService.getShelfNameByShelfRfid(shelfRfid);

                //在选定的书架层上绘图
                this.dispatcherService.Dispatch(() =>
                {
                    this.BookLocation = bookLocationString;
                    //test code here ,delete it 
                    this.libraryMapService.reinitOneShapMap();//刷新UI
                    this.libraryMapService.drawOneShapeMapBackground();
                    this.libraryMapService.drawSelectedLayerOneShapeMap(bookLocationString);
                    //this.LibraryMapService = this.LibraryMapService; //通知更新UI,没必要重复了,等下面操作一起刷新

                    this.libraryMapService.reinitLibraryShelfMap();
                    this.libraryMapService.drawLibraryShelfMapBackgroundByLibraryName(bookLocationString);
                    this.libraryMapService.drawSelectedShelfLibraryShelfMapByLibraryName(shelfRfid);
                    this.LibraryMapService = this.LibraryMapService;//通知更新UI

                });
            }
        }