private static void OnIsGroupHolderChanged(Binding.BindableObject bindable, object oldValue, object newValue)
{
var view = bindable as View;
if (view == null)
{
return;
}
if (!(bool)newValue)
{
view.SetValue(RadioButtonGroupProperty, null, false, true);
return;
}
if (view.GetValue(RadioButtonGroupProperty) == null)
{
view.SetValue(RadioButtonGroupProperty, new RadioButtonGroup(), false, true);
}
}
private static void OnRadioButtonGroupChanged(Binding.BindableObject bindable, object oldValue, object newValue)
{
var view = bindable as View;
if (view == null)
{
return;
}
if (oldValue is RadioButtonGroup oldGroup)
{
view.ChildAdded -= oldGroup.OnChildChanged;
view.ChildRemoved -= oldGroup.OnChildChanged;
oldGroup.RemoveAll();
}
if (newValue is RadioButtonGroup newGroup)
{
view.ChildAdded += newGroup.OnChildChanged;
view.ChildRemoved += newGroup.OnChildChanged;
newGroup.OnChildChanged(view, null);
}
}