public ToppingsPageModel(Pizza currentPizza)
{
ThisPizza = currentPizza;
string pizzaName = ThisPizza.ItemName;
BaseSelections = new string[]
{
"Pesto Base", "White Base", "Regular Base"
};
CookSelections = new string[]
{
"Crispy Cook", "Kid Cook", "Light Cook", "Regular Cook"
};
var toppingsList = Toppings.AllToppings;
ToppingSelectionsList = new ObservableCollection <ToppingSelection>();
for (int i = 0; i < toppingsList.Count; i++)
{
var toppingSelection = new ToppingSelection(this);
toppingSelection.ListTopping = toppingsList[i];
toppingSelection.SelectionIndex = i;
toppingSelection.SelectionColor = Xamarin.Forms.Color.Black;
toppingSelection.WButtonTextColor = Color.White;
toppingSelection.AreWholeHalfColumnsVisible = true;
if (toppingsList[i].ToppingName == ToppingName.HalfMajor)
{
toppingSelection.WButtonTextColor = Color.Black;
}
ToppingSelectionsList.Add(toppingSelection);
//If the pizza type is a slice, don't display whole/halfa/halfb options.
toppingSelection.AreWholeHalfColumnsVisible = true;
if (pizzaName.Equals(DisplayNames.GetPizzaDisplayName(PizzaType.ThinSlice)) ||
pizzaName.Equals(DisplayNames.GetPizzaDisplayName(PizzaType.PanSlice)))
{
toppingSelection.AreWholeHalfColumnsVisible = false;
}
}
if (ThisPizza != null)
{
if (ThisPizza.MajorMamaInfo == MajorOrMama.Major)
{
SelectMajorToppings();
ThisPizza.Toppings.AddMajorToppings();
}
}
}
//For selection or deselection of the Half Major topping.
private void ProcessHalfMajorToppingSelection(ToppingSelection halfMajorSelection)
{
if (
halfMajorSelection.ListItemIsSelected) //If selected, toggle to unselect...
{
ToppingsPageModel.ThisPizza.Toppings.RemoveToppings(new List <ToppingName>
{
ToppingName.Mushrooms,
ToppingName.BlackOlives,
ToppingName.GreenPeppers,
ToppingName.Onion,
ToppingName.Pepperoni,
ToppingName.Sausage
});
foreach (var toppingSelection in ToppingsPageModel.ToppingSelectionsList)
{
if (toppingSelection.ListTopping.ToppingName == ToppingName.Mushrooms ||
toppingSelection.ListTopping.ToppingName == ToppingName.GreenPeppers ||
toppingSelection.ListTopping.ToppingName == ToppingName.Onion ||
toppingSelection.ListTopping.ToppingName == ToppingName.Pepperoni ||
toppingSelection.ListTopping.ToppingName == ToppingName.Sausage ||
toppingSelection.ListTopping.ToppingName == ToppingName.BlackOlives)
{
toppingSelection.ButtonWSelected = false;
toppingSelection.ButtonASelected = false;
toppingSelection.ButtonBSelected = false;
toppingSelection.SelectionColor = Xamarin.Forms.Color.Black;
}
}
halfMajorSelection.SelectionColor = Xamarin.Forms.Color.Black;
halfMajorSelection.ButtonWSelected = false;
halfMajorSelection.ButtonASelected = false;
halfMajorSelection.ButtonBSelected = false;
}
else
{
ToppingsPageModel.SelectMajorToppings(halfMajorSelection.ListTopping.ToppingWholeHalf);
ToppingsPageModel.ThisPizza.Toppings.AddMajorToppingsToHalf(ToppingWholeHalf.HalfA);
halfMajorSelection.SelectionColor = Xamarin.Forms.Color.CornflowerBlue;
halfMajorSelection.ButtonASelected = true;
//halfMajorSelection.AColor = Xamarin.Forms.Color.CornflowerBlue;
}
halfMajorSelection.ListItemIsSelected = !halfMajorSelection.ListItemIsSelected;
}
private void ProcessHalfMajorSelectionOfSide(ToppingSelection thisItemSelected)
{
if (thisItemSelected.ListTopping.ToppingWholeHalf == ToppingWholeHalf.Whole)
{
thisItemSelected.ButtonWSelected = false;
thisItemSelected.ButtonASelected = false;
thisItemSelected.ButtonBSelected = false;
thisItemSelected.WButtonTextColor = Color.Black;
return;
}
if (!thisItemSelected.ListItemIsSelected)
{
thisItemSelected.ListItemIsSelected = true;
thisItemSelected.SelectionColor = Color.CornflowerBlue;
ChangeButtonSelection(thisItemSelected, thisItemSelected.ListTopping.ToppingWholeHalf);
}
thisPizza.Toppings.AddMajorToppings();
switch (thisItemSelected.ListTopping.ToppingWholeHalf)
{
case ToppingWholeHalf.HalfA:
thisPizza.Toppings.ChangeMajorToppingsHalf(ToppingWholeHalf.HalfA);
break;
case ToppingWholeHalf.HalfB:
thisPizza.Toppings.ChangeMajorToppingsHalf(ToppingWholeHalf.HalfB);
break;
}
ChangeButtonSelection(thisItemSelected, thisItemSelected.ListTopping.ToppingWholeHalf);
//find all major toppings in ToppingSelectionsList and call ChangeButtonSelection on them.
foreach (var toppingSelection in ToppingSelectionsList)
{
if (toppingSelection.ListTopping.ToppingName == ToppingName.Mushrooms ||
toppingSelection.ListTopping.ToppingName == ToppingName.GreenPeppers ||
toppingSelection.ListTopping.ToppingName == ToppingName.Onion ||
toppingSelection.ListTopping.ToppingName == ToppingName.Pepperoni ||
toppingSelection.ListTopping.ToppingName == ToppingName.Sausage ||
toppingSelection.ListTopping.ToppingName == ToppingName.BlackOlives)
{
toppingSelection.SelectionColor = Color.CornflowerBlue;
ChangeButtonSelection(toppingSelection, thisItemSelected.ListTopping.ToppingWholeHalf);
}
}
}
private void ListItemTapped(object sender, ItemTappedEventArgs e)
{
ToppingSelection selectedItem = e.Item as ToppingSelection;
int indexOfItemSelected = selectedItem.SelectionIndex;
//Can't change ListView directly - must change underlying data. Get this data by the index.
ToppingSelection thisSelection = ToppingsPageModel.ToppingSelectionsList[indexOfItemSelected];
if (thisSelection.ListTopping.ToppingName == ToppingName.HalfMajor)
{
ProcessHalfMajorToppingSelection(thisSelection);
}
else
{
if (thisSelection.ListItemIsSelected) //If selected, toggle to unselect...
{
thisSelection.ListTopping.SequenceSelected = 0;
ToppingsPageModel.ThisPizza.Toppings.RemoveTopping(thisSelection.ListTopping.ToppingName);
}
else
{
thisSelection.ListTopping.SequenceSelected = ToppingsPageModel.ThisPizza.Toppings.CurrentToppings.Count + 1;
ToppingsPageModel.ThisPizza.Toppings.AddTopping(thisSelection.ListTopping);
}
thisSelection.ListItemIsSelected = !thisSelection.ListItemIsSelected;
//Appearance...
if (thisSelection.ListItemIsSelected)
{
thisSelection.SelectionColor = Xamarin.Forms.Color.CornflowerBlue;
thisSelection.ButtonWSelected = true;
}
else
{
thisSelection.SelectionColor = Xamarin.Forms.Color.Black;
thisSelection.ButtonASelected = false;
thisSelection.ButtonBSelected = false;
thisSelection.ButtonWSelected = false;
}
}
//NOTE: Modifying ToppingsPageModel.Toppings directly instead of
//explicitly setting it here does not trigger bindings.
//ThisPizza.Toppings = Toppings;
}
public void ChangeButtonSelection(ToppingSelection thisItemSelected, ToppingWholeHalf wholeOrHalf)
{
switch (wholeOrHalf)
{
case ToppingWholeHalf.Whole:
thisItemSelected.ButtonWSelected = true;
thisItemSelected.ButtonASelected = false;
thisItemSelected.ButtonBSelected = false;
break;
case ToppingWholeHalf.HalfA:
thisItemSelected.ButtonASelected = true;
thisItemSelected.ButtonBSelected = false;
thisItemSelected.ButtonWSelected = false;
break;
case ToppingWholeHalf.HalfB:
thisItemSelected.ButtonBSelected = true;
thisItemSelected.ButtonASelected = false;
thisItemSelected.ButtonWSelected = false;
break;
}
}
