這裏是禁止所有JOptionPane對話框的可能性。如果你想用它們中的一部分來做,你可能需要提供額外的對話標題檢查。
import java.awt.AWTEvent;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.Toolkit;
import java.awt.event.AWTEventListener;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;
public class CloseDialog implements Runnable {
private final AWTEventListener hideOptionPaneListener = new AWTEventListener() {
@Override
public void eventDispatched(AWTEvent event) {
if (event instanceof WindowEvent) {
processWindowEvent((WindowEvent) event);
}
}
};
private void processWindowEvent(WindowEvent we) {
if (we.getID() == WindowEvent.WINDOW_OPENED && we.getWindow() instanceof JDialog) {
final JDialog dlg = (JDialog) we.getWindow();
Component[] comps = dlg.getContentPane().getComponents();
if (comps.length > 0 && comps[0] instanceof JOptionPane) { // probably also check dialog title
dlg.setVisible(false);
}
}
}
@Override
public void run() {
final JFrame frm = new JFrame("Test frame");
JButton button = new JButton("Show option pane");
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(frm, "Simple message");
}
});
final JCheckBox checkBox = new JCheckBox("Suppress option pane");
checkBox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (checkBox.isSelected()) {
Toolkit.getDefaultToolkit().addAWTEventListener(hideOptionPaneListener, AWTEvent.WINDOW_EVENT_MASK);
} else {
Toolkit.getDefaultToolkit().removeAWTEventListener(hideOptionPaneListener);
}
}
});
JPanel top = new JPanel(new FlowLayout());
top.add(button);
frm.add(top, BorderLayout.NORTH);
frm.add(checkBox, BorderLayout.SOUTH);
frm.setSize(400, 200);
frm.setLocationRelativeTo(null);
frm.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frm.setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new CloseDialog());
}
}
你可以創建自己的'JFrame',你完全可以控制它。 –
@JaroslawPawlak可悲的是,它不能工作,因爲它被強制作爲機器人主框架的一個孩子,我不能控制有限的繪畫方法。 –
主框架的孩子? 'JFrame'沒有層次結構。無法控制繪畫方法?當然,如果你瞭解'EventDispatchThread'是如何工作的話,那麼你可以......但是說實話,你不應該在'paint'方法中做這樣的邏輯 - 應該只做繪畫。 –