import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;

import javax.swing.JComponent;

// crta niz i oznacava dva elementa u njemu 

public class ArrayComponent extends JComponent {

	private static final long serialVersionUID = 1L;
	private Double marked1;
	private Double marked2;
	private Double[] values;

	// postavlja vrednosti koje treba da se iscrtaju
	public synchronized void setValues(Double[] values, Double marked1, Double marked2) {
		this.values = values.clone();
		this.marked1 = marked1;
		this.marked2 = marked2;
		repaint();
	}

	public synchronized void paintComponent(Graphics g) {
		if (values == null)
			return;
		Graphics2D g2 = (Graphics2D) g;
		int width = getWidth() / values.length;
		for (int i = 0; i < values.length; i++) {
			double height = values[i] * getHeight();
			Rectangle2D bar = new Rectangle2D.Double(width * i, 0, width, height);
			if (values[i] == marked1 || values[i] == marked2)
				g2.fill(bar);
			else
				g2.draw(bar);
		}
	}
}