BarGraphPanel.java

/*
 Bar Graph Panel object for Parkrun data collector
 Daniel Mesham
 28 January 2017
*/

import javax.swing.*;
import java.awt.*;
import java.lang.Math;

class BarGraphPanel extends GraphPanel {

 private GraphBar[] dataBars;
 private Color color = Color.RED;

 public BarGraphPanel(int widthIn, int heightIn, double maxX, double maxY, GraphBar[] dataBarsIn) {
 super(widthIn, heightIn, maxX, maxY);
 dataBars = dataBarsIn;
 }

 //@Override
 public void paintComponent(Graphics g) {
 super.paintComponent(g);
 plot(dataBars, color, g);
 }

 private void plot(GraphBar[] dataIn, Color colorIn, Graphics g) {
 Color oldColor = g.getColor();
 g.setColor(colorIn);
 for (GraphBar gb : dataIn) {
 int width = lengthToX(gb.getWidth());
 int height = lengthToY(gb.getHeight());
 int x = valToX(gb.getX());
 int y = valToY(0) - height;
 g.fillRect(x,y,width,height);
 }
 g.setColor(oldColor);
 }
}