MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;

public class MainClass extends JFrame {
    private JTextPane textPane = new JTextPane();

    public MainClass() {
        super();
        setSize(300, 200);

        textPane.setFont(new Font("Serif", Font.PLAIN, 24));

        // create some handy attribute sets
        SimpleAttributeSet red = new SimpleAttributeSet();
        StyleConstants.setForeground(red, Color.red);
        StyleConstants.setBold(red, true);
        SimpleAttributeSet blue = new SimpleAttributeSet();
        StyleConstants.setForeground(blue, Color.blue);
        SimpleAttributeSet italic = new SimpleAttributeSet();
        StyleConstants.setItalic(italic, true);
        StyleConstants.setForeground(italic, Color.orange);

        // add the text
        append("NULL ", null);
        append("Blue", blue);
        append("italic", italic);
        append("red", red);

        Container content = getContentPane();
        content.add(new JScrollPane(textPane), BorderLayout.CENTER);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

    protected void append(String s, AttributeSet attributes) {
        Document d = textPane.getDocument();
        try {
            d.insertString(d.getLength(), s, attributes);
        } catch (BadLocationException ble) {
        }
    }

    public static void main(String[] args) {
        new MainClass().setVisible(true);
    }
}