Behavior API proof of concept PR

[Andy Goryachev]

I think BehaviorContext looks suspiciously like a (skin) input map, so I would rather see that.

Invention of State class is a way to work around the stateless behavior which, though it adds (in my opinion) very little, might still be a feature that app developers want to exploit - at least in terms of saving on per-instance key maps.  So any alternative proposal should also support a stateless behavior.

To summarize my position, I would rather see  development of InputMap / (Skin/Secondary)InputMap rather than this v2 proposal.

Cheers,
-andy




From: openjfx-dev <openjfx-dev-retn at openjdk.org> on behalf of John Hendrikx <john.hendrikx at gmail.com>
Date: Wednesday, November 29, 2023 at 14:54
To: openjfx-dev at openjdk.org <openjfx-dev at openjdk.org>
Subject: Behavior API proof of concept PR
For those still interested, I've updated
https://github.com/openjdk/jfx/pull/1265 with a replaced ButtonBehavior
and SpinnerBehavior, using concepts laid out in
https://gist.github.com/hjohn/c7b1bf9d4a4770b1b3ae854b20fbaa94

Any feedback is welcome, I think it's making progress, and the changes
required seem quite doable.

The ability for Behaviors to intercept any event from its Control or its
(named) children makes Behaviors a lot more powerful than earlier
proposals, allowing for completely new interactions without requiring
Skin changes.

--John
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