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List:       openjdk-openjfx-dev
Subject:    Re: FXMLLoader & BuilderFactory
From:       Daniel Zwolenski <zonski () gmail ! com>
Date:       2013-05-31 23:49:07
Message-ID: CANbPsPwfZDL8YEAArg+BJXTSpUpXb7nUE7RYPFEXrkw65roh+A () mail ! gmail ! com
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Try setting a LoadListener on your FXMLLoader and the endElement(Object
value) callback may give you what you are after.

Just out of curiosity, what's the use case?




On Sat, Jun 1, 2013 at 8:33 AM, Florian Brunner <fbrunnerlist@gmx.ch> wrote:

> Hi Daniel,
>
> Thanks for your response.
>
> > When you say 'instance' what do you mean? A controller or a node or
> something else?
> I'm looking for a way to get notified when a Node gets created.
>
> Regards,
> Florian
>
> Am Donnerstag, 30. Mai 2013, 08.25:23 schrieb Daniel Zwolenski:
> > When you say 'instance' what do you mean? A controller or a node or
> something else?
> >
> > A controller can be notified when it is initialized (and all the
> associated nodes will be initialized by this point):
> >
> > http://docs.oracle.com/javafx/2/api/javafx/fxml/Initializable.html
> >
> > Does that give you the hook ins you need?
> >
> > On 30/05/2013, at 8:03 AM, Florian Brunner <fbrunnerlist@gmx.ch> wrote:
> >
> > > Hi,
> > >
> > > I'm experimenting with FXMLLoader. Is there a way to get notified,
> when an instance gets created?
> > >
> > > I tried to work with a wrapper class for BuilderFactory, like this:
> > >
> > > public class WrapperBuilderFactory implements BuilderFactory {
> > >
> > >    private final BuilderFactory builderFactory;
> > >
> > >    public WrapperBuilderFactory(BuilderFactory builderFactory) {
> > >        this.builderFactory = builderFactory;
> > >    }
> > >
> > >    @Override
> > >    public Builder<?> getBuilder(Class<?> type) {
> > >        Builder<?> builder = builderFactory.getBuilder(type);
> > >        return new WrapperBuilder<>(builder);
> > >    }
> > >
> > >    private static class WrapperBuilder<T> implements Builder<T> {
> > >
> > >        private final Builder<T> builder;
> > >
> > >        public WrapperBuilder(Builder<T> builder) {
> > >            this.builder = builder;
> > >        }
> > >
> > >        @Override
> > >        public T build() {
> > >            T t = builder.build();
> > >            doSomething();
> > >            return t;
> > >        }
> > >
> > >        private void doSomething(){
> > >            // do something
> > >        }
> > >    }
> > > }
> > >
> > > and then call:
> > > FXMLLoader loader = new FXMLLoader();
> > > loader.setBuilderFactory(new
> FXMLControllerBuilderFactory(loader.getBuilderFactory()));
> > >
> > >
> > > But it seems that BuilderFactory.getBuilder usually returns null,
> which gets treaded completely differently (instance created at XML start
> tag) than when a Builder gets returned (instance created at XML end tag).
> > >
> > > Is there another way to get notified when an instance gets created?
> > >
> > > Otherwise I will file an enhancement request.
> > >
> > > Kind regards,
> > > Florian
> > >
>
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