Popup: hide() : Popup « javax.swing « Java by API

1. Java by API
2. javax.swing
3. Popup

Popup: hide()

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.Popup;
import javax.swing.PopupFactory;
import javax.swing.Timer;

public class MainClass {

  static final Random random = new Random();

  static class ButtonActionListener implements ActionListener {
    public void actionPerformed(ActionEvent actionEvent) {
      System.out.println("Selected: " + actionEvent.getActionCommand());
    }
  }

  static class ShowPopupActionListener implements ActionListener {
    private Component component;
    ShowPopupActionListener(Component component) {
      this.component = component;
    }

    public synchronized void actionPerformed(ActionEvent actionEvent) {
      JButton button = new JButton("Hello, World");
      ActionListener listener = new ButtonActionListener();
      button.addActionListener(listener);
      PopupFactory factory = PopupFactory.getSharedInstance();
      int x = random.nextInt(200);
      int y = random.nextInt(200);
      final Popup popup = factory.getPopup(component, button, x, y);
      popup.show();
      ActionListener hider = new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          popup.hide();
        }
      };
      // Hide popup in 3 seconds
      Timer timer = new Timer(3000, hider);
      timer.start();
    }
  }

  public static void main(final String args[]) {
    JFrame frame = new JFrame("Button Popup Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    ActionListener actionListener = new ShowPopupActionListener(frame);

    JButton start = new JButton("Pick Me for Popup");
    start.addActionListener(actionListener);
    frame.add(start);

    frame.setSize(350, 250);
    frame.setVisible(true);
  }
}

           
       

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