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Java Program to wrap text in a JTextPane and show Scrollbar
Let’s say we have lots of content in our JTextPane component −
textPane.setText("This is demo text1. This is demo text2. This is demo text3."
+ "This is demo text4.This is demo text5. This is demo text6. "
+ "This is demo text7. This is demo text8. This is demo text9. "
+ "This is demo text10. This is demo text11. This is demo text12."
+ "This is demo text13. This is demo text13. This is demo text14."
+ "This is demo text15. This is demo text13. This is demo text16."
+ " This is demo text17. This is demo text13. This is demo text18."
+ " This is demo text19.This is demo text13.This is demo text20.");To wrap it and display the scrollbar, set scrollpane and use the VERTICAL_SCROLLBAR_AS_NEEDED constant −
JScrollPane scrollPane = new JScrollPane(textPane); scrollPane.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED);
Example
package my;
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.BadLocationException;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
public class SwingDemo {
public static void main(String args[]) throws BadLocationException {
JFrame frame = new JFrame("Demo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container container = frame.getContentPane();
JTextPane textPane = new JTextPane();
textPane.setBackground(Color.BLUE);
Font font = new Font("Serif", Font.ITALIC, 22);
textPane.setFont(font);
SimpleAttributeSet attributeSet = new SimpleAttributeSet();
StyleConstants.setItalic(attributeSet, true);
StyleConstants.setForeground(attributeSet, Color.blue);
StyleConstants.setBackground(attributeSet, Color.white);
textPane.setCharacterAttributes(attributeSet, true);
textPane.setText("This is demo text1. This is demo text2. This is demo text3."
+ "This is demo text4.This is demo text5. This is demo text6. "
+ "This is demo text7. This is demo text8. This is demo text9. "
+ "This is demo text10. This is demo text11. This is demo text12."
+ "This is demo text13. This is demo text13. This is demo text14."
+ "This is demo text15. This is demo text13. This is demo text16."
+ " This is demo text17. This is demo text13. This is demo text18."
+ " This is demo text19.This is demo text13.This is demo text20.");
JScrollPane scrollPane = new JScrollPane(textPane);
scrollPane.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED);
container.add(scrollPane, BorderLayout.CENTER);
frame.setSize(500, 300);
frame.setVisible(true);
}
}Output
Updated on: 30-Jul-2019
901 Views
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