พื้นฐาน Java GUI : Dialog และ Popup สร้าง Input Dialog และ Custom Modal Dialog

package com.java.myapp;

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class MyForm extends JFrame {

	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				MyForm form = new MyForm();
				form.setVisible(true);
			}
		});
	}
	
	public MyForm() {
            
		// Create Form Frame
		super("ThaiCreate.Com Tutorial");
		setSize(450, 300);
		setLocation(500, 280);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		getContentPane().setLayout(null);
		
		// Create Dialog
		JButton btnButton = new JButton("Submit");
		btnButton.setBounds(171, 95, 89, 23);
		btnButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
				int n = JOptionPane.showConfirmDialog(null,
                        "I really like my book",
                        "Question (application-modal dialog)", 
                        JOptionPane.YES_NO_OPTION,
                        JOptionPane.QUESTION_MESSAGE); 
		        System.out.println(n); // Use n for response

			}
		});
		
		getContentPane().add(btnButton);
			
	}

}

System.out.println(n);

package com.java.myapp;

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

public class MyForm extends JFrame {

	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				MyForm form = new MyForm();
				form.setVisible(true);
			}
		});
	}
	
	
	public MyForm() {
            
		// Create Form Frame
		super("ThaiCreate.Com Tutorial");
		setSize(450, 300);
		setLocation(500, 280);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		getContentPane().setLayout(null);
		
		// Create Dialog
		JButton btnButton = new JButton("Submit");
		btnButton.setBounds(171, 95, 89, 23);
		btnButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
				JTextField name = new JTextField();
				JTextField username = new JTextField();
				JPasswordField password = new JPasswordField();
				final JComponent[] inputs = new JComponent[] {
						new JLabel("Name"),
						name,
						new JLabel("Username"),
						username,
						new JLabel("Password"),
						password
				};
				JOptionPane.showMessageDialog(null, inputs, "My custom dialog", JOptionPane.PLAIN_MESSAGE);
				System.out.println("You entered " +
						name.getText() + ", " +
						username.getText() + ", " +
						password.getText());
				
			}
		});
		
		getContentPane().add(btnButton);
					
	}

}

				System.out.println("You entered " +
						name.getText() + ", " +
						username.getText() + ", " +
						password.getText());

package com.java.myapp;

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;


public class MyForm extends JFrame {

	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				MyForm form = new MyForm();
				form.setVisible(true);
			}
		});
	}
	
	
	public MyForm() {
            
		// Create Form Frame
		super("ThaiCreate.Com Tutorial");
		setSize(450, 300);
		setLocation(500, 280);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		getContentPane().setLayout(null);
		
		// Label Result
		final JLabel lblResult = new JLabel("Result",JLabel.CENTER);
		lblResult.setBounds(32, 53, 370, 14);
		getContentPane().add(lblResult);
		
		// Create Button Open Dialog
		JButton btnButton = new JButton("Submit");
		btnButton.setBounds(171, 95, 89, 23);
		btnButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
				MyDialogPopup dialog = new MyDialogPopup();
				dialog.setModal(true);
				dialog.setVisible(true);
				
				lblResult.setText(dialog.sName);
				
			}
		});
		getContentPane().add(btnButton);
			
		
	}

}

package com.java.myapp;

import javax.swing.JButton;
import javax.swing.JDialog;

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JTextField;

public class MyDialogPopup extends JDialog {

	public String sName;
	
	public static void main(String[] args) {
		try {
			MyDialogPopup dialog = new MyDialogPopup();
			dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
			dialog.setVisible(true);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public MyDialogPopup() {
		setBounds(100, 100, 296, 175);
		setResizable(false);
		setLocationRelativeTo(null);
		getContentPane().setLayout(null);
		
		// Create Input 
		final JTextField name = new JTextField();
		name.setBounds(57, 36, 175, 20);
		getContentPane().add(name);
		
		// Button OK
		JButton btnOK = new JButton("OK");
		btnOK.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				sName = name.getText();
				dispose();
			}
		});
		btnOK.setBounds(70, 93, 78, 23);
		getContentPane().add(btnOK);
		
		// Button Cancel
		JButton btnCancel = new JButton("Cancel");
		btnCancel.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				sName = "";
				dispose();
			}
		});
		btnCancel.setBounds(158, 93, 74, 23);
		getContentPane().add(btnCancel);
		
	}
}