public static BindingHelper Create(XamFormsContext context, IShadow <BindableObject> shadow, Func <IShadow <BindableObject>, PrimitiveHolder> primitiveSelector = default)
{
var bh = new BindingHelper(context, shadow, primitiveSelector ?? ((b) => b.Item?.BindingContext as PrimitiveHolder));
bh.MonitorBindingContextChanged();
return(bh);
}
public PrimitiveDataTemplate(XamFormsContext context, IPrimitive primitive, Func <IShadow <BindableObject>, PrimitiveHolder> selector) : base(() =>
{
// create view
using var transaction = Transaction.Create(isolated: true);
var shadow = (IShadow <BindableObject>)context.MapperFactory.Create(context, primitive, false);
transaction.Commit();
// setup binding class to track changes to the binding context and update things automatically.
var bindingHelper = BindingHelper.Create(context, shadow, selector);
// store the binding helper with the shadow
shadow.State.Set(bindingHelper);
return(shadow.Item);
})
{
}