import com.sun.javafx.runtime.VersionInfo;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Accordion;
import javafx.scene.control.Button;
import javafx.scene.control.TitledPane;
import javafx.scene.layout.Border;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.BorderStroke;
import javafx.scene.layout.BorderStrokeStyle;
import javafx.scene.layout.BorderWidths;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

/**
 *
 * @author cementovoz
 */
public class AccordionApp extends Application {
    
    final String STYLE = "-fx-border-color:green blue yellow red;-fx-border-width:10;";
    
    @Override
    public void start(Stage stage) throws Exception {
        BorderPane root = new BorderPane();
        
        final Accordion a1 = createAcc();
        final Accordion a2 = createAcc();
        BorderStroke bs = new BorderStroke(
                                Color.GREEN, 
                                Color.BLUE,
                                Color.YELLOW,
                                Color.RED,
                                BorderStrokeStyle.SOLID,
                                BorderStrokeStyle.SOLID,
                                BorderStrokeStyle.SOLID,
                                BorderStrokeStyle.SOLID,
                                CornerRadii.EMPTY,
                                new BorderWidths(10),
                                Insets.EMPTY
                            );
        final Border border = new Border(bs);
        a1.setBorder(border);
        ScheduledExecutorService service = Executors.newScheduledThreadPool(1);
        a2.setStyle(STYLE);
        Button b = new Button("Set borders");
        b.setOnAction(new EventHandler<ActionEvent>() {

            @Override
            public void handle(ActionEvent t) {
                a2.setStyle(STYLE);
                a1.setBorder(border);
                System.out.println("Set borders");
            }
        });
        
        root.setCenter(new VBox(0){{getChildren().addAll(a1, a2); setFillWidth(false);}});
        root.setBottom(b);
        Scene scene = new Scene(root, 300, 300);
        stage.setScene(scene);
        stage.show();
        stage.setTitle(VersionInfo.getRuntimeVersion());
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }

    private Accordion createAcc() {
        TitledPane pane1 = new TitledPane();
        pane1.setText("title 1\nLong text long text");
        pane1.setContent(new Rectangle(100, 40, Color.SKYBLUE));
        pane1.setFocusTraversable(false);
        TitledPane pane2 = new TitledPane();
        pane2.setText("title 2\nLong text long text");
        pane2.setContent(new Rectangle(100, 40, Color.BLUEVIOLET));
        Accordion acc = new Accordion();
        acc.getPanes().addAll(pane1, pane2);
        acc.setExpandedPane(pane2);
        pane2.setAnimated(false);
        pane2.setFocusTraversable(false);
        acc.setFocusTraversable(false);
        return acc;
    }
}