package elte.java2_utikalauz5.java2d;

import java.awt.*;
import java.awt.geom.*;
import java.awt.event.*;

/**
peldaprogram az egerrel valo kivalasztasokra.

@link.forrásfájl {@docRoot}/../data/java2d/src TalalatVizsgalat.java
@link.letöltés {@docRoot}/../data/java2d TalalatVizsgalat.jar
@since Java 2 Útikalauz programozóknak
*/
class TalalatVizsgalat extends Canvas implements MouseListener {
    /** Verziószám */
    private final static long serialVersionUID = 15L;

	int x, y, selected = 0;
	boolean first = true;
	Rectangle2D kekTeglalap = new Rectangle2D.Float (10.0f, 10.0f, 150.0f, 100.0f);
	Rectangle2D zoldTeglalap = new Rectangle2D.Float (200.0f, 10.0f, 150.0f, 100.0f);

	public void mouseClicked (MouseEvent e) {
	}

	public void mouseEntered (MouseEvent e) {
	}

	public void mouseExited (MouseEvent e) {
	}

	public void mousePressed (MouseEvent e)  {
		x = e.getX ();
		y = e.getY ();
		repaint ();
	}

	public void mouseReleased (MouseEvent e) {
	}

	public void update (Graphics g) {
		paint (g);
	}

	public void initScreen () {
		Frame f = new Frame ();

		f.add (this);
		addMouseListener (this);

		f.addWindowListener (
			new WindowAdapter () {
				public void windowClosing (WindowEvent e) {
					System.exit (0);
				}
			}
		);

		f.setSize (500, 300);
		f.setVisible (true);
	}

	public void paint (Graphics g) {
		Graphics2D g2 = (Graphics2D) g;

		if (first) {
			first = false;
			g2.setColor (Color.blue);
			g2.fill (kekTeglalap);
			g2.setColor (Color.green);
			g2.fill (zoldTeglalap);
			return;
		}

		g2.setColor (Color.white);
		if (selected == 1) {
			g2.draw (kekTeglalap);
			g2.setColor (Color.blue);
			g2.fill (kekTeglalap);
		} else
		if (selected == 2) {
			g2.draw (zoldTeglalap);
			g2.setColor (Color.green);
			g2.fill (zoldTeglalap);
		}

		g2.setColor (Color.red);
		if (kekTeglalap.contains (x, y) == true) {
			selected = 1;
			g2.draw (kekTeglalap);
		} else if (zoldTeglalap.contains (x, y) == true) {
			selected = 2;
			g2.draw (zoldTeglalap);
		} else
			selected = 0;
	}

	public static void main (String[] args) {
		TalalatVizsgalat t = new TalalatVizsgalat ();
		t.initScreen ();
	}
}