Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Color;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.SwingUtilities;
import javax.swing.text.BadLocationException;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;

public class Main {
    public static void main(String[] args) {
        JFrame f = new JFrame();
        StyleContext sc = new StyleContext();
        final DefaultStyledDocument doc = new DefaultStyledDocument(sc);
        JTextPane pane = new JTextPane(doc);

        final Style heading2Style = sc.addStyle("Heading2", null);
        heading2Style.addAttribute(StyleConstants.Foreground, Color.red);
        heading2Style.addAttribute(StyleConstants.FontSize, new Integer(16));
        heading2Style.addAttribute(StyleConstants.FontFamily, "serif");
        heading2Style.addAttribute(StyleConstants.Bold, new Boolean(true));

        try {
            SwingUtilities.invokeAndWait(new Runnable() {
                public void run() {
                    try {
                        doc.insertString(0, text, null);

                        doc.setParagraphAttributes(0, 1, heading2Style, false);
                    } catch (BadLocationException e) {
                    }
                }
            });
        } catch (Exception e) {
            System.out.println("Exception when constructing document: " + e);
            System.exit(1);
        }

        f.getContentPane().add(new JScrollPane(pane));
        f.setSize(400, 300);
        f.setVisible(true);
    }

    public static final String text = "Attributes, Styles and Style Contexts\n" + "this is a test.\n";

}