Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.JTextPane;
import javax.swing.text.Document;

public class Main extends JFrame {
    JTextField textField = new JTextField(20);
    JTextPane textPane;

    public Main() {
        textField.setText("Hit Enter to Add Text to Text Pane");
        getContentPane().add(textField, BorderLayout.NORTH);
        textField.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                try {
                    Document doc = textPane.getDocument();
                    doc.insertString(doc.getLength(), " " + textField.getText(), null);
                    textField.setText("");//clear
                    Dimension d = textPane.getPreferredSize();
                    Rectangle r = textPane.modelToView(textPane.getDocument().getLength());
                    d.height = r.y + r.height;
                    textPane.setPreferredSize(d);
                    getContentPane().validate();
                } catch (Exception e2) {
                }
            }
        });

        JPanel south = new JPanel();
        textPane = new JTextPane();
        textPane.setText("Some \ntext");
        textPane.setEditable(false);
        textPane.setPreferredSize(new Dimension(120, 23));

        south.add(textPane);
        getContentPane().add(south, BorderLayout.SOUTH);
    }

    public static void main(String[] args) {
        JFrame frame = new Main();
        frame.setSize(200, 200);
        frame.setLocationRelativeTo(null);
        frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
        frame.setVisible(true);
    }
}