//Handles BillItemControl deletion events
private void HandleViewDeletion(object sender, BICEventArgs e)
{
viewList.Remove(e.bic);
e.bic.Deleted -= new EventHandler <BICEventArgs>(HandleViewDeletion);
if (viewList.Count == 0)
{
this.Empty.Invoke(this, new ItemEventArgs()
{
item = this
});
}
//If the price is set to 0 then its been handled by something else so fase to deleted completely
else if (e.bic.itemPrice == 0)
{
//e.bic = null;
}
//Need to recalculate other bills
//Mechanism, going to default evenly allocate the price of specific split to other bills.
//Will not perfectly evenly distribute bills.
else
{
double priceToBeDistributed = e.bic.itemPrice;
List <double> prices = calculatePrices(priceToBeDistributed, viewList.Count);
int index = 0;
foreach (BillItemControl bic in viewList)
{
bic.ChangePrice(bic.itemPrice + prices[index]);
index++;
}
}
}
private void DeleteItem(object sender, BICEventArgs e)
{
this.ItemListGrid.Children.Remove(e.bic);
e.bic.Removed -= new EventHandler <BICEventArgs>(RemoveItem);
e.bic.Clicked -= new EventHandler <BICEventArgs>(SplitSelection);
e.bic.Deleted -= new EventHandler <BICEventArgs>(DeleteItem);
this.BillItemListChange.Invoke(this, new EventArgs());
}
private void RemoveItem(object sender, BICEventArgs e)
{
this.ItemListGrid.Children.Remove(e.bic);
this.BillItemListChange.Invoke(this, new EventArgs());
//Unsubscribing from BillItemControl(BIC) Events for the BIC removed
e.bic.Removed -= new EventHandler <BICEventArgs>(RemoveItem);
e.bic.Clicked -= new EventHandler <BICEventArgs>(SplitSelection);
e.bic.Deleted -= new EventHandler <BICEventArgs>(DeleteItem);
}
private void SplitSelection(object sender, BICEventArgs e)
{
this.SplitRequest.Invoke(this, e);
}
