//default constructor
public MainPresentationModel(ItemInfo itemInfo, TypeInfo typeInfo, ItemOrder itemOrder)
{
this._itemInfo = itemInfo;
this._itemOrder = itemOrder;
this._typeInfo = typeInfo;
this.InitialItemDictionary();
this.InitialPageData();
this.InitialCurrentPage();
}
//default constructor
public MainWindow(ItemInfo itemInfo, TypeInfo typeInfo, ItemOrder itemOrder)
{
InitializeComponent();
this._itemInfo = itemInfo;
this._itemOrder = itemOrder;
this._typeInfo = typeInfo;
this._viewModel = new MainPresentationModel(_itemInfo, _typeInfo, _itemOrder);
this._paymentDialog = new PaymentDialog();
this.InitialItemTab();
this.InitialAllItemButton();
this.HandleTabIndexChanged(null, null);
_itemInfo._stockChangeEvent += this.UpdateStockEvent;
_itemInfo._itemCreateEvent += this.HandleItemUpdateEvent;
_itemInfo._itemDataUpdateEvent += this.HandleItemUpdateEvent;
_typeInfo._typesUpdateEvent += this.HandleTypeUpdateEvent;
}
//initial all base class
private void InitialAllClass()
{
_typeInfo = new TypeInfo();
_itemInfo = new ItemInfo(_typeInfo);
_itemOrder = new ItemOrder(_itemInfo);
}