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//: gui/BangBean2.java

package gui; /* Added by Eclipse.py */

// You should write your Beans this way so they

// can run in a multithreaded environment.

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.io.*;

import java.util.*;

import static net.mindview.util.SwingConsole.*;

public class BangBean2 extends JPanel

implements Serializable {

private int xm, ym;

private int cSize = 20; // Circle size

private String text = "Bang!";

private int fontSize = 48;

private Color tColor = Color.RED;

private ArrayList<ActionListener> actionListeners =

new ArrayList<ActionListener>();

public BangBean2() {

addMouseListener(new ML());

addMouseMotionListener(new MM());

}

public synchronized int getCircleSize() { return cSize; }

public synchronized void setCircleSize(int newSize) {

cSize = newSize;

}

public synchronized String getBangText() { return text; }

public synchronized void setBangText(String newText) {

text = newText;

}

public synchronized int getFontSize(){ return fontSize; }

public synchronized void setFontSize(int newSize) {

fontSize = newSize;

}

public synchronized Color getTextColor(){ return tColor;}

public synchronized void setTextColor(Color newColor) {

tColor = newColor;

}

public void paintComponent(Graphics g) {

super.paintComponent(g);

g.setColor(Color.BLACK);

g.drawOval(xm - cSize/2, ym - cSize/2, cSize, cSize);

}

// This is a multicast listener, which is more typically

// used than the unicast approach taken in BangBean.java:

public synchronized void

addActionListener(ActionListener l) {

actionListeners.add(l);

}

public synchronized void

removeActionListener(ActionListener l) {

actionListeners.remove(l);

}

// Notice this isn't synchronized:

public void notifyListeners() {

ActionEvent a = new ActionEvent(BangBean2.this,

ActionEvent.ACTION_PERFORMED, null);

ArrayList<ActionListener> lv = null;

// Make a shallow copy of the List in case

// someone adds a listener while we're

// calling listeners:

synchronized(this) {

lv = new ArrayList<ActionListener>(actionListeners);

}

// Call all the listener methods:

for(ActionListener al : lv)

al.actionPerformed(a);

}

class ML extends MouseAdapter {

public void mousePressed(MouseEvent e) {

Graphics g = getGraphics();

g.setColor(tColor);

g.setFont(

new Font("TimesRoman", Font.BOLD, fontSize));

int width = g.getFontMetrics().stringWidth(text);

g.drawString(text, (getSize().width - width) /2,

getSize().height/2);

g.dispose();

notifyListeners();

}

}

class MM extends MouseMotionAdapter {

public void mouseMoved(MouseEvent e) {

xm = e.getX();

ym = e.getY();

repaint();

}

}

public static void main(String[] args) {

BangBean2 bb2 = new BangBean2();

bb2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

System.out.println("ActionEvent" + e);

}

});

bb2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

System.out.println("BangBean2 action");

}

});

bb2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

System.out.println("More action");

}

});

JFrame frame = new JFrame();

frame.add(bb2);

run(frame, 300, 300);

}

} ///:~