import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.builders.VBoxBuilder;
import javafx.geometry.Pos;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.SplitPane;
import javafx.scene.control.Tab;
import javafx.scene.control.TabPane;
import javafx.scene.control.TabPane.TabClosingPolicy;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

/**
 *
 * @author slions
 */
public class TabPaneTest extends Application {

    private Scene scene = null;

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

    public void start(Stage stage) {

        scene = new Scene(new Group());

        stage.setTitle("TEST");
        stage.setWidth(700);
        stage.setHeight(700);
        stage.setScene(scene);
        stage.setVisible(true);
        
        final ScrollPane scrollPane = new ScrollPane();
        scrollPane.setNode(new Rectangle(500, 500));

        Tab tab1 = new Tab();
        tab1.setText("tab1");
        tab1.setContent(scrollPane);
        Tab tab2 = new Tab();
        tab2.setText("tab2");
        tab2.setContent(scrollPane);
        
        final TabPane tabPane1 = new TabPane();
        tabPane1.setTabClosingPolicy(TabClosingPolicy.UNAVAILABLE);
        tabPane1.getTabs().add(tab1);
        tabPane1.widthProperty().addListener(new ChangeListener<Object>() {

            @Override
            public void changed(ObservableValue<? extends Object> observable, Object oldValue, Object newValue) {
                tabPane1.setTabMaxWidth(tabPane1.getWidth());
                tabPane1.setTabMinWidth(tabPane1.getWidth());
            }
        });
        final TabPane tabPane2 = new TabPane();
        tabPane2.setTabClosingPolicy(TabClosingPolicy.UNAVAILABLE);
        tabPane2.getTabs().add(tab2);
        tabPane2.widthProperty().addListener(new ChangeListener<Object>() {

            @Override
            public void changed(ObservableValue<? extends Object> observable, Object oldValue, Object newValue) {
                tabPane2.setTabMaxWidth(tabPane2.getWidth());
                tabPane2.setTabMinWidth(tabPane2.getWidth());
            }
        });
        
        SplitPane splitPane = new SplitPane();
        splitPane.setPrefSize(500, 500);
        splitPane.getItems().addAll(tabPane1, tabPane2);


        ((Group) scene.getRoot()).getChildren().addAll(splitPane);
    }
}