76 lines
2.0 KiB
Java
76 lines
2.0 KiB
Java
import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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/**
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* @version 1.40 2007-04-27
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* @author Cay Horstmann
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*/
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public class TextComponentTest
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{
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public static void main(String[] args)
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{
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EventQueue.invokeLater(new Runnable()
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{
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public void run()
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{
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TextComponentFrame frame = new TextComponentFrame();
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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frame.setVisible(true);
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}
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});
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}
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}
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/**
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* A frame with sample text components.
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*/
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class TextComponentFrame extends JFrame
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{
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public TextComponentFrame()
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{
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setTitle("TextComponentTest");
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setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
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final JTextField textField = new JTextField();
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final JPasswordField passwordField = new JPasswordField();
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JPanel northPanel = new JPanel();
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northPanel.setLayout(new GridLayout(2, 2));
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northPanel.add(new JLabel("User name: ", SwingConstants.RIGHT));
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northPanel.add(textField);
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northPanel.add(new JLabel("Password: ", SwingConstants.RIGHT));
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northPanel.add(passwordField);
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add(northPanel, BorderLayout.NORTH);
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final JTextArea textArea = new JTextArea(8, 40);
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JScrollPane scrollPane = new JScrollPane(textArea);
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add(scrollPane, BorderLayout.CENTER);
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// add button to append text into the text area
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JPanel southPanel = new JPanel();
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JButton insertButton = new JButton("Insert");
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southPanel.add(insertButton);
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insertButton.addActionListener(new ActionListener()
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{
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public void actionPerformed(ActionEvent event)
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{
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textArea.append("User name: " + textField.getText() + " Password: "
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+ new String(passwordField.getPassword()) + "\n");
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}
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});
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add(southPanel, BorderLayout.SOUTH);
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// add a text area with scroll bars
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}
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public static final int DEFAULT_WIDTH = 300;
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public static final int DEFAULT_HEIGHT = 300;
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}
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