TextPaneSample.java Source code

Introduction

Here is the source code for TextPaneSample.java

Source

/*
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski       
ISBN: 1-893115-78-X
Publisher: APress
*/

import java.awt.BorderLayout;
import java.awt.Container;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.BadLocationException;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;
import javax.swing.text.StyledDocument;

public class TextPaneSample {
    private static String message = "In the beginning, there was COBOL, then there was FORTRAN, "
            + "then there was BASIC, ... and now there is Java.\n";

    public static void main(String args[]) {
        String title = (args.length == 0 ? "TextPane Example" : args[0]);
        JFrame frame = new JFrame(title);
        Container content = frame.getContentPane();

        StyleContext context = new StyleContext();
        StyledDocument document = new DefaultStyledDocument(context);

        Style style = context.getStyle(StyleContext.DEFAULT_STYLE);
        StyleConstants.setAlignment(style, StyleConstants.ALIGN_RIGHT);
        StyleConstants.setFontSize(style, 14);
        StyleConstants.setSpaceAbove(style, 4);
        StyleConstants.setSpaceBelow(style, 4);

        // Insert content
        try {
            document.insertString(document.getLength(), message, style);
        } catch (BadLocationException badLocationException) {
            System.err.println("Oops");
        }

        SimpleAttributeSet attributes = new SimpleAttributeSet();
        StyleConstants.setBold(attributes, true);
        StyleConstants.setItalic(attributes, true);

        // Insert content
        try {
            document.insertString(document.getLength(), "Hello Java", attributes);
        } catch (BadLocationException badLocationException) {
            System.err.println("Oops");
        }

        // Third style for icon/component
        Style labelStyle = context.getStyle(StyleContext.DEFAULT_STYLE);

        Icon icon = new ImageIcon("Computer.gif");
        JLabel label = new JLabel(icon);
        StyleConstants.setComponent(labelStyle, label);

        // Insert content
        try {
            document.insertString(document.getLength(), "Ignored", labelStyle);
        } catch (BadLocationException badLocationException) {
            System.err.println("Oops");
        }

        JTextPane textPane = new JTextPane(document);
        textPane.setEditable(false);
        JScrollPane scrollPane = new JScrollPane(textPane);
        content.add(scrollPane, BorderLayout.CENTER);

        frame.setSize(300, 150);
        frame.setVisible(true);
    }
}