package P_21_10;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.net.URL;

import javax.swing.ImageIcon;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import javax.swing.border.EmptyBorder;

public class JCheckBoxP1 extends JFrame {

	private JPanel panelOsnovna;
	private JPanel panelNorth;
	private JCheckBox cbOcala;
	private JCheckBox cbLasje;
	private JLabel lblSlika;
	private String z7 = "o";
	private String z8 = "l";

	public JCheckBoxP1() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setSize(450, 300);//širina, višina
		panelOsnovna = new JPanel();
		panelNorth = new JPanel();
		panelNorth.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
		panelOsnovna.setBorder(new EmptyBorder(5, 5, 5, 5)); //border
		panelOsnovna.setLayout(new BorderLayout());
		setContentPane(panelOsnovna); //oknu odločimo
		setLocationRelativeTo(null);
		setResizable(false);
		panelOsnovna.add(panelNorth, BorderLayout.NORTH);
		cbLasje = new JCheckBox("Lasje");
		cbOcala = new JCheckBox("Ocala");
		panelNorth.add(cbOcala);
		panelNorth.add(cbLasje);
		lblSlika = new JLabel("Slika ni določena");
		panelOsnovna.add(lblSlika, BorderLayout.CENTER);
		lblSlika.setHorizontalAlignment(SwingConstants.CENTER);
		//dogodki ob spremembi stikala
		cbOcala.addItemListener(new ItemListener() {

			@Override
			public void itemStateChanged(ItemEvent dog) {
				//stikalo vklopljeno??
				if(dog.getStateChange() == ItemEvent.SELECTED)
					z7 = "o";
				else
					z7 = "_";
				posodobiSLiko();

			}
		});
		cbLasje.addItemListener(new ItemListener() {

			@Override
			public void itemStateChanged(ItemEvent dog) {
				if(dog.getStateChange() == ItemEvent.SELECTED)
					z8 = "l";
				else
					z8 = "_";
				posodobiSLiko();


			}
		}); // kontrusktor
		//metoda
		private ImageIcon ikonaSLike(String imeSlike){
			//posicemo URl
			URL urlslika = this.getClass().getResource(imeSlike);
			if (urlslika != null);
			return new ImageIcon(urlslika);
			else
				return null;

		}
		private void posodbiSliko() {
			ImageIcon ikonaSLike = ikonaSLike("ikona_"+z7+z8+".png");
			lblSlika.setIcon(ikonaSLike);
			if (ikonaSLike == null);
			lblSlika.setText("Slika ni določena");
		}
	}
	protected void posodobiSLiko() {
		// TODO Auto-generated method stub

	}
	public static void main (String[]args) {
		JCheckBoxP1 okno = new JCheckBoxP1();
		okno.setVisible(true);
	}
}