/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package helloworld;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.SplitPane;
import javafx.scene.control.TextField;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

/**
 *
 * @author jerome
 */
public class HelloSplitPane2 extends Application {

    private final SplitPane horizSplitPane = new SplitPane() {
        @Override
        public void layoutChildren() {
            if (getDivPosition() < 0.7) {
                setDivPosition(0.7);
            } else if (getDivPosition() > 0.8) {
                setDivPosition(0.8);
            }
            super.layoutChildren();
        }
    };

    @Override
    public void init() {
    }

    @Override
    public void start(Stage stage) {
        stage.setTitle("SplitPane");

        final Button button = new Button("Add Button");
        button.setOnAction(new EventHandler<ActionEvent>() {

            @Override
            public void handle(ActionEvent t) {
                horizSplitPane.getItems().add(new Button());
                System.out.println("Dividers: ");
                for (double pos : horizSplitPane.getDividerPositions()) {
                    System.out.print(pos + " ");
                }
                System.out.println();

            }
        });
        horizSplitPane.getItems().addAll(button, new Button());
        setDivPosition(0.7);
//        horizSplitPane.getDividers().get(0).positionProperty().addListener(new ChangeListener<Number>() {
//
//            @Override
//            public void changed(ObservableValue<? extends Number> observable,
//                    Number oldPos, Number newPos) {
//                if (newPos.doubleValue() < 0.7) {
//                    setDivPosition(0.7);
//                } else if (newPos.doubleValue() > 0.8) {
//                    setDivPosition(0.8);
//                }
//            }
//        });

        Scene scene = new Scene(horizSplitPane, 400, 400);

        stage.setScene(scene);
        stage.show();
    }

    private void setDivPosition(double pos) {
        horizSplitPane.getDividers().get(0).setPosition(pos);
    }

    private double getDivPosition() {
        return horizSplitPane.getDividers().get(0).getPosition();
    }

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