CODEWITHSUNDEEP
javafx-2javafxjavafx-8
QuidNovi
QuidNovi

Reputation: 609

JavaFx, event interception/consumption

I've got this partial scenegraph tree :

CustomPane (with onMouseClicked Handler)
 → ChildNode (with onMousePressed Handler)

When I catch the MousePressed event in the ChildNode, I can consume it, so that the parent doesn't receive a MousePressed event. But I would like to consume the associated MouseClicked event. So that pressing the mouse on the Child doesn't fire a MouseClicked event on the Parent.

Upvotes: 3

Views: 2525

Answers (1)

Sergey Grinev
Sergey Grinev

Reputation: 34528

  1. You can add specific ChildNode#onMouse... handlers which will consume all events.

  2. or provide your own EventDispatcher:

    child.setEventDispatcher(new EventDispatcher() {

    @Override
    public Event dispatchEvent(Event event, EventDispatchChain tail) {
        boolean valid = myValidationLogicForEvents(event);
        return valid ? tail.dispatchEvent(event) : null;
    }
});

Upvotes: 5

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