import javafx.application.Application;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.scene.Scene;
import javafx.scene.control.TextField;
import javafx.scene.control.TextFormatter;
import javafx.stage.Stage;
import javafx.util.converter.IntegerStringConverter;

public class JDK8132333 extends Application {
    public static void main(String[] args) {
        Application.launch(args);
    }

    private IntegerProperty modelProperty = new SimpleIntegerProperty();

    @Override
    public void start(Stage stage) {
        TextField myTextField = new TextField();
        Scene scene = new Scene(myTextField);
        stage.setScene(scene);
        stage.show();

        myTextField.setTextFormatter(new TextFormatter<Integer>(new IntegerStringConverter()));

        TextFormatter<Integer> tf = (TextFormatter<Integer>) myTextField.textFormatterProperty().get();
        ObjectProperty<Integer> guiProperty = tf.valueProperty();
        guiProperty.bindBidirectional(this.modelProperty.asObject()); // <-- Model property now MUST always be the same as Gui property

        guiProperty.addListener((property, oldV, newV) -> System.out.printf("Gui value: " + newV));
        this.modelProperty.addListener((property, oldV, newV) -> System.out.println("Model value: " + newV));

        /*
         * Apparently model listener is NOT fired, but gui listener IS, when entering values into TextField.
         */
    }
}