public static Binder <TSource, UITextField> ShouldReturn <TSource>(this Binder <TSource, UITextField> binder, Expression <Func <TSource, ICommand> > property)
where TSource : class
{
// No weak event use since Should return is a delegate with return type but
// this is not an issue since there is no subscription to the source
var compiled = property.Compile();
binder.Target.ShouldReturn += (textField) => {
var command = compiled(binder.Source);
if (command?.CanExecute(null) ?? false)
{
command.Execute(null);
}
return(false);
};
return(binder.Command <EventArgs>(property, nameof(UIButton.TouchUpInside), (b, v) => b.Enabled = v));
}
public static Binder <TSource, Button> Click <TSource>(this Binder <TSource, Button> binder, Expression <Func <TSource, ICommand> > property)
where TSource : class
{
return(binder.Command <EventArgs>(property, nameof(Button.Click), (b, v) => b.Enabled = v));
}
public static Binder <TSource, UIButton> TouchUpInside <TSource>(this Binder <TSource, UIButton> binder, Expression <Func <TSource, ICommand> > property)
where TSource : class
{
return(binder.Command <EventArgs>(property, nameof(UIButton.TouchUpInside), (b, v) => b.Enabled = v));
}