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import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.RenderingHints;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.geom.Rectangle2D;
import java.awt.geom.Ellipse2D.Double;
import java.util.ArrayList;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class PanelWithCircles extends JPanel implements MouseListener, MouseMotionListener{
private ArrayList<MyCircle> shapes;
private MyCircle selectedCircle;
private Point mousePos;
int dx;
int dy;
public PanelWithCircles() {
shapes = new ArrayList<MyCircle>();
this.addMouseListener(this);
this.addMouseMotionListener(this);
}
@Override
public void mouseClicked(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
Point p = e.getPoint();
for(MyCircle circle : shapes) {
if(circle.contains(p)) {
selectedCircle = circle;
break;
}
}
if(selectedCircle != null) {
System.out.println(selectedCircle.getPosition().x);
dx = (selectedCircle.getPosition().x-e.getX());
dy = (selectedCircle.getPosition().y-e.getY());
}
}
@Override
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
selectedCircle = null;
}
@Override
public void mouseDragged(MouseEvent e) {
System.out.println("drag");
if(selectedCircle != null) {
selectedCircle.setPosition(new Point(e.getX()+dx, e.getY()+dy));
repaint();
}
}
@Override
protected void paintComponent(Graphics arg0) {
// TODO Auto-generated method stub
super.paintComponent(arg0);
if(isShowing()) {
Graphics2D g2d = (Graphics2D) arg0;
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
//On affiche le damier
int caseWith = Math.min(getWidth(), getHeight())/10;
for(int i = 0; i<10;i++ ) {
for(int j = 0; j<10;j++ ) {
if((i+j)%2 == 1) {
g2d.setPaint(Color.black);
} else {
g2d.setPaint(Color.white);
}
g2d.fill(new Rectangle2D.Double(i*caseWith,j*caseWith,(i+1)*caseWith, (j+1)*caseWith));
}
}
//ON affiche les pions
for(MyCircle circle : shapes) {
circle.draw(g2d);
}
}
}
@Override
public void mouseMoved(MouseEvent e) {
// TODO Auto-generated method stub
}
public void addCircle(MyCircle c) {
shapes.add(c);
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
PanelWithCircles p = new PanelWithCircles();
p.addCircle(new MyCircle(new Point(10,10),Color.blue, 20));
p.addCircle(new MyCircle(new Point(50,10),Color.red, 20));
p.addCircle(new MyCircle(new Point(50,50),Color.green, 20));
p.addCircle(new MyCircle(new Point(10,50),Color.yellow, 20));
JFrame f = new JFrame();
f.setSize(400,300);
f.add(p);
f.setLocationRelativeTo(null);
f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
f.setVisible(true);
}
} |
