private void UserControl_MouseDown(object sender, MouseButtonEventArgs e)
{
if (MovingEnabled)
{
//this.Dragged.Invoke(this, new EventArgs());
BillItemControl item = sender as BillItemControl;
DragDrop.DoDragDrop(item, item, DragDropEffects.Move);
//this.Released.Invoke(this, new EventArgs());
/*
* Issue -- Allows items to be moved around from their own bill
* The Issue with above code is that when item is moved from one bill to another the starting bill will unsubscribe to this items events
* and the second bill will subscribe to item's events thereby causing both bills to have their droppability disabled.
*/
}
else if (SplitEnabled)
{
this.Clicked.Invoke(this, new BICEventArgs()
{
bic = this
});
}
else
{
//Do nothing
}
}
public void CreateView()
{
viewList = new List <BillItemControl>();
BillItemControl billItemView = new BillItemControl(this);
viewList.Add(billItemView);
billItemView.Deleted += new EventHandler <BICEventArgs>(HandleViewDeletion);
}
public void AddItem(BillItemControl item)
{
this.ItemListGrid.Children.Add(item);
item.billControl = this;
//Subscribing to BillItemControl events -- Used for move drag and drop
item.Removed += new EventHandler <BICEventArgs>(RemoveItem);
item.Clicked += new EventHandler <BICEventArgs>(SplitSelection);
item.Deleted += new EventHandler <BICEventArgs>(DeleteItem);
}
//Logic to split orders
public void SplitOrderEvenly(List <Bill> billsAffected, BillItemControl bic)
{
int numberOfBills = 1 + billsAffected.Count;
//Calculate the prices of an even split between affected parties
List <double> prices = calculatePrices(bic.itemPrice, numberOfBills);
//This loop looks for items inside existing bills or creates new bills
bic.ChangePrice(prices[0]);
int index = 1;
foreach (Bill bill in billsAffected)
{
BillItemControl associatedBIC = bill.GetRespectiveItem(this);
if (associatedBIC == null)
{
//New Bill must create it
//Must retain properties of old bill item
associatedBIC = new BillItemControl(this, prices[index]);
if (bic.itemSent)
{
associatedBIC.itemSent = true;
associatedBIC.CancelButton.Visibility = System.Windows.Visibility.Hidden;
SolidColorBrush mySolidColorBrush = new SolidColorBrush();
mySolidColorBrush = (SolidColorBrush)(new BrushConverter().ConvertFrom("#7F7F7F"));
associatedBIC.BackgroundColor.Fill = mySolidColorBrush;
}
viewList.Add(associatedBIC);
associatedBIC.Deleted += new EventHandler <BICEventArgs>(HandleViewDeletion);
bill.AddExistingItem(associatedBIC);
}
else
{
//If it is not a new bill then the price is the old price + new price split into it
associatedBIC.ChangePrice(prices[index] + associatedBIC.itemPrice);
}
index++;
}
}
private void ItemListGrid_Drop(object sender, DragEventArgs e)
{
BillItemControl itemC = (BillItemControl)e.Data.GetData("AppProject.BillItemControl");
//Original Item is not in this current bill so add without issue
BillItemControl bic = billLogic.GetRespectiveItem(itemC.originalItem);
if (bic == null)
{
itemC.Moved();
billLogic.AddExistingItem(itemC);
}
//Checking if your dragging into the same bill.
else if (itemC.billControl.Equals(bic.billControl))
{
//Nothing needs to be done in this instance
}
//Item was found to be in the same bill need to combine them and delete one.
else
{
itemC.originalItem.Combine(bic, itemC);
itemC.Delete();
}
}
//Combines two seperate BillItemControls
// *** TO BE USED ONLY ON BILLITEMCONTROLS WITHIN THE SAME BILLLOGIC ***
public void Combine(BillItemControl combined, BillItemControl destroyed)
{
combined.ChangePrice(combined.itemPrice + destroyed.itemPrice);
//Destroy the second item
destroyed.ChangePrice(0);
}
public void AddExistingItem(BillItemControl bic)
{
billView.AddItem(bic);
UpdateTotalsInViews();
}
