//--------------------------------------------------------------------------
#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);
}
