CustomHBar

CustomHBar

import java.util.Collection;
import java.util.Map;
import java.util.Set;

import javafx.beans.property.DoubleProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.scene.control.Label;
import javafx.scene.effect.DropShadow;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Priority;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;


public class CustomHbar extends HBox {
	
	private final Map<String, Double> map;
	private final DoubleProperty length = new SimpleDoubleProperty();
	
	public CustomHbar(Map<String, Double> map) {
		this.map = map;
		initialize();
	}
	
	private void initialize(){
		Set<String> keys = map.keySet();
		Double sum = sum(map.values());
		int i=1;
		for(String name : keys) {
			CustomStackPane customStackPane = new CustomStackPane(name, map.get(name), sum, i++);
			getChildren().add(customStackPane);
			setHgrow(customStackPane, Priority.ALWAYS);
		}
		setSpacing(2);
		setEffect(new DropShadow(10, Color.BLACK));
		setPrefWidth(400);
		length.bind(widthProperty());
	}
	
	private Double sum(Collection<Double> values){
		Double temp = new Double(0.0);
		for(Double value:values){
			temp+=value;
		}
		return temp;
	}

	private class CustomStackPane extends StackPane{
		private final Label label = new Label();
		private final Rectangle rectangle = new Rectangle();
		
		public CustomStackPane(String name, Double value, Double total, int color){
			Double ratio = value/total;
			init(name, ratio, color);
			getChildren().addAll(rectangle, label);
		}
		
		private void init(String name, Double ratio, int color){
			label.setText(name);
			rectangle.widthProperty().bind(length.multiply(ratio));
			rectangle.setHeight(20);
			rectangle.setStyle("-fx-fill:CHART_COLOR_" + color + ";");
		}
		
	}
}

A main method to test

import java.util.HashMap;
import java.util.Map;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception {
     Map<String, Double> map = new HashMap<String, Double>();
     map.put("Pass", 1125.0);
     map.put("Fail", 5454.0);
     map.put("Random", 3454.0);
     CustomHbar customHbar = new CustomHbar(map);
     Scene scene = new Scene(customHbar, 500, 500);
     primaryStage.setScene(scene);
         primaryStage.show();
    }
    public static void main(String[] args) {
    launch(args);
    }
}