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프로젝트에서 작업 중입니다. 패널 클래스에서 데스크톱 창에서 두 번째 iframe을 호출하기 위해 mouselistener를 정의했지만 표시되지 않습니다.JinternalFrame이 표시되지 않고 예외도 없음
제발 도와주세요 감사
메인 클래스
public class Try2 extends JFrame{
JTabbedPane pane;
public Try2() {
setSize(800,500);
setDefaultCloseOperation(Try2.EXIT_ON_CLOSE);
setVisible(true);
pane=new JTabbedPane();
pane.addTab("First", new desktoppane());
pane.addTab("Second", new JPanel());
setContentPane(pane);
}
public static void main(String[] args) {
new Try2();
}
DesktopPane 클래스
public class desktoppane extends JDesktopPane{
public desktoppane() {
// setOpaque(false);
JButton btnfirst=new JButton("First IFrame");
btnfirst.setSize(150,25);
add(btnfirst);
btnfirst.addMouseListener(new MouseListener() {
@Override
public void mouseClicked(MouseEvent e) {
first f=new first();
add(f);
}
@Override
public void mousePressed(MouseEvent e) {
}
@Override
public void mouseReleased(MouseEvent e) {
}
@Override
public void mouseEntered(MouseEvent e) {
}
@Override
public void mouseExited(MouseEvent e) {
}
});
}
}
우선 IFrame을
public class first extends JInternalFrame{
public first() {
setSize(400, 400);
setVisible(true);
setClosable(true);
add(new paneel());
}
}
패널 클래스
public class paneel extends JPanel{
public paneel() {
setBackground(Color.red);
setSize(200,200);
JButton btnSecond=new JButton("Second IFrame");
btnSecond.setSize(150,25);
add(btnSecond);
btnSecond.addMouseListener(new MouseListener() {
@Override
public void mouseClicked(MouseEvent e) {
Second s=new Second();
desktoppane p=new desktoppane();
p.add(s);
}
@Override
public void mousePressed(MouseEvent e) {
}
@Override
public void mouseReleased(MouseEvent e) {
}
@Override
public void mouseEntered(MouseEvent e) {
}
@Override
public void mouseExited(MouseEvent e) {
}
});
}
}
둘째 IFrame을
public class Second extends JInternalFrame{
public Second() {
setSize(400, 400);
setVisible(true);
setClosable(true);
setBackground(Color.yellow);
}