//-------------------------------------------------------------------------- #region ** ctor public ViewModel() { // load basic data LoadRawData(); // generate orders GenerateOrders(); // create list of distinct quarters we have sales for var lq = new List<string>(); var qryQtr = from Order o in _orders select o.Quarter; foreach (var q in qryQtr.Distinct()) { lq.Add(q); } _quarters = new CollectionViewSource(); _quarters.Source = lq; Quarters.CurrentChanged += _quarters_CurrentChanged; // create sales by Customer and by Category lists (filtered by Quarter) CreateSalesByCustomer(); CreateSalesByCategory(); // create commands to navigate quarters _cmdFirstQuarter = new SelectQuarter(this, int.MaxValue); _cmdPrevQuarter = new SelectQuarter(this, +1); _cmdNextQuarter = new SelectQuarter(this, -1); _cmdLastQuarter = new SelectQuarter(this, int.MinValue); // update properties _quarters_CurrentChanged(this, EventArgs.Empty); }
//-------------------------------------------------------------------------- #region ** ctor public ViewModel() { // load basic data LoadRawData(); // generate orders GenerateOrders(); // create list of distinct quarters we have sales for var lq = new List <string>(); var qryQtr = from Order o in _orders select o.Quarter; foreach (var q in qryQtr.Distinct()) { lq.Add(q); } _quarters = new CollectionViewSource(); _quarters.Source = lq; Quarters.CurrentChanged += _quarters_CurrentChanged; // create sales by Customer and by Category lists (filtered by Quarter) CreateSalesByCustomer(); CreateSalesByCategory(); // create commands to navigate quarters _cmdFirstQuarter = new SelectQuarter(this, int.MaxValue); _cmdPrevQuarter = new SelectQuarter(this, +1); _cmdNextQuarter = new SelectQuarter(this, -1); _cmdLastQuarter = new SelectQuarter(this, int.MinValue); // update properties _quarters_CurrentChanged(this, EventArgs.Empty); }