SavingsCalculator

package application;

import javafx.application.Application;
import javafx.beans.binding.Bindings;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.scene.chart.LineChart;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.VBox;
import javafx.scene.control.Label;
import javafx.scene.control.Slider;
import javafx.scene.chart.NumberAxis;
import javafx.geometry.Pos;
import javafx.scene.chart.XYChart;

public class SavingsCalculatorApplication extends Application {

    @Override
    public void start(Stage window) throws Exception {
        
        BorderPane mainBorderPane = new BorderPane();
        NumberAxis xAxis = new NumberAxis(0, 30, 1);
        NumberAxis yAxis = new NumberAxis(0, 20000, 2500);
        LineChart<Number, Number> lineChart = new LineChart<Number, Number>(xAxis, yAxis);
        mainBorderPane.setCenter(lineChart);
        
        VBox vBox = new VBox();
        BorderPane firstBorderPane = new BorderPane();
        firstBorderPane.setPadding(new Insets(20, 20, 20, 20));
        Label firstBorderPaneText = new Label("Monthly savings");
        Slider firstBorderPaneSlider = new Slider(25, 250, 50);
        firstBorderPaneSlider.setShowTickMarks(true);
        firstBorderPaneSlider.setShowTickLabels(true);
        Label firstSliderExplanationText = new Label("25");
        vBox.setAlignment(Pos.CENTER);
        firstBorderPane.setLeft(firstBorderPaneText);
        firstBorderPane.setCenter(firstBorderPaneSlider);
        firstBorderPane.setRight(firstSliderExplanationText);
        
        XYChart.Series savings = new XYChart.Series();
        double x = 0;
        int y = 0;
        
        for (int i = 0; i < 60; i++) {
            savings.getData().add(new XYChart.Data(x, y));
            x += 0.5;
            y += 300;
        }
        
        lineChart.getData().add(savings);
        
        
        
        firstSliderExplanationText.textProperty().bind(Bindings.format("%.1f", firstBorderPaneSlider.valueProperty()));
        
        firstBorderPaneSlider.valueProperty().addListener(new ChangeListener<Number>() {
            @Override
            public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
                int currentValue = (int) firstBorderPaneSlider.getValue();
                int doTimes = currentValue / 25;
                
            }
        });
        
        BorderPane secondBorderPane = new BorderPane();
        secondBorderPane.setPadding(new Insets(20, 20, 20, 20));
        Label secondBorderPaneText = new Label("Yearly interest rate");
        Slider secondBorderPaneSlider = new Slider(0, 10, 2.33);
        secondBorderPaneSlider.setShowTickLabels(true);
        secondBorderPaneSlider.setShowTickMarks(true);
        Label secondSliderExplanationText = new Label("2.33");
        
        secondSliderExplanationText.textProperty().bind(Bindings.format("%.2f", secondBorderPaneSlider.valueProperty()));
        
        
        secondBorderPane.setLeft(secondBorderPaneText);
        secondBorderPane.setCenter(secondBorderPaneSlider);
        secondBorderPane.setRight(secondSliderExplanationText);
        
        
        vBox.getChildren().addAll(firstBorderPane, secondBorderPane);
        mainBorderPane.setTop(vBox);
        
        
        Scene scene = new Scene(mainBorderPane, 800, 600);
        window.setScene(scene);
        window.show();
    }
    
    public static void main(String[] args) {
        launch(SavingsCalculatorApplication.class);
    }

}