static void UpdateButtonFields(ObservableButton b, bool enabled, string text, IObserver <Points> width)
{
b.Enabled = enabled;
b.Title = text;
b.Font = NSFont.SystemFontOfSize(0.0f);
width.OnNext((double)b.FittingSize.Width);
}
public static void Initialize(IScheduler dispatcher)
{
Button.Implementation.Factory = (command, contentFactory, text, isDefault) =>
{
if (contentFactory != null)
{
var states = new BehaviorSubject <ButtonStates>(ButtonStates.Unrooted);
var content = contentFactory(states.Switch());
var hittableContent = content.MakeHittable();
states.OnNext(new ButtonStates(
isPressed: hittableContent.IsPressed(),
isHovered: hittableContent.IsHovering(),
isEnabled: command.IsEnabled));
hittableContent.Pressed.WithLatestFromBuffered(command.Execute, (evt, c) => c)
.ConnectWhile(content.IsRooted)
.Subscribe(action => dispatcher.Schedule(action));
return(hittableContent.Control);
}
else
{
var width = new ReplaySubject <Points>(1);
return(Control.Create(self =>
{
Action action = () => { };
var b = new ObservableButton()
{
BezelStyle = NSBezelStyle.Rounded,
};
b.Activated += (s, a) => action();
if (isDefault)
{
b.WindowObservable
.Where(window => window != null)
.Subscribe(window =>
Fusion.Application.MainThread.InvokeAsync(() => window.DefaultButtonCell = b.Cell));
}
command.Action
.CombineLatest(text)
.Take(1)
.ObserveOn(dispatcher)
.Subscribe(
cmdText =>
{
UpdateButtonFields(b, cmdText.Item1.HasValue, cmdText.Item2, width);
});
self.BindNativeProperty(
dispatcher,
"command",
command.Action.CombineLatest(text),
cmdText =>
{
UpdateButtonFields(b, cmdText.Item1.HasValue, cmdText.Item2, width);
action = () => cmdText.Item1.Do(x => x());
});
self.BindNativeDefaults(b, dispatcher);
return b;
})
.WithHeight(32)
.WithWidth(width));
}
};
}
