public SalesMonthModel(byte month, SalesMonthModel previousModel)
{
_resultItems.CollectionChanged += _resultItems_CollectionChanged;
_previousModel = previousModel;
_month = month;
Renew();
}
static public void ShowDialog(SalesMonthModel month)
{
ListViewModel vm = new ListViewModel(month);
ListView v = new ListView();
v.DataContext = vm;
vm.ShowDialogBox();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="month">this month</param>
/// <param name="previousModel">data of last month</param>
public SalesMonthModel(SalesDataContext dataContext, byte month, SalesMonthModel previousModel)
{
_resultItems.CollectionChanged += _resultItems_ColectionChanged;
_dataContext = dataContext;
_previousModel = previousModel;
_month = month;
Renew();
}
public static void Renew()
{
_monthItems.Clear();
SalesMonthModel prev = null;
for (byte month = 1; month <= 12; month++)
{
SalesMonthModel item = new SalesMonthModel(month, prev);
_monthItems.Add(item);
prev = item;
}
}
/// <summary>
/// Initiarize 12 months data.
/// </summary>
public static void Renew()
{
_monthItems.Clear();
SalesMonthModel prev = null; // there is no data for first month(january)
for (byte month = 1; month <= 12; month++)
{
SalesMonthModel item = new SalesMonthModel(_dataContext, month, prev);
_monthItems.Add(item);
prev = item; // set the modified "item" data for previous month sales data of next month.
}
}
/// <summary>
/// constructor
/// </summary>
/// <param name="monthModel"></param>
private ListViewModel(SalesMonthModel monthModel)
{
_model = monthModel;
}