Source Code : JTextPane demo with various format and html loading and rendering

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JTextPane demo with various format and html loading and rendering

   

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;

import javax.swing.ImageIcon;
import javax.swing.JButton;
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.SimpleAttributeSet;
import javax.swing.text.StyleConstants;

public class JTextPaneDemo extends JFrame {
  static SimpleAttributeSet ITALIC_GRAY = new SimpleAttributeSet();

  static SimpleAttributeSet BOLD_BLACK = new SimpleAttributeSet();

  static SimpleAttributeSet BLACK = new SimpleAttributeSet();

  JTextPane textPane = new JTextPane();

  // Best to reuse attribute sets as much as possible.
  static {
    StyleConstants.setForeground(ITALIC_GRAY, Color.gray);
    StyleConstants.setItalic(ITALIC_GRAY, true);
    StyleConstants.setFontFamily(ITALIC_GRAY, "Helvetica");
    StyleConstants.setFontSize(ITALIC_GRAY, 14);

    StyleConstants.setForeground(BOLD_BLACK, Color.black);
    StyleConstants.setBold(BOLD_BLACK, true);
    StyleConstants.setFontFamily(BOLD_BLACK, "Helvetica");
    StyleConstants.setFontSize(BOLD_BLACK, 14);

    StyleConstants.setForeground(BLACK, Color.black);
    StyleConstants.setFontFamily(BLACK, "Helvetica");
    StyleConstants.setFontSize(BLACK, 14);
  }

  public JTextPaneDemo() {
    super("JTextPane Demo");

    JScrollPane scrollPane = new JScrollPane(textPane);
    getContentPane().add(scrollPane, BorderLayout.CENTER);

    setEndSelection();
    textPane.insertIcon(new ImageIcon("java2sLogo.GIF"));
    insertText("
Website for: www.java2s.com 

", BOLD_BLACK);

    setEndSelection();
    insertText("                                    ", BLACK);
    setEndSelection();
    insertText("
      Java            "
        + "                                    " + "Source

",
        ITALIC_GRAY);

    insertText(" and Support. 
", BLACK);

    setEndSelection();
    JButton manningButton = new JButton("Load the web site for www.java2s.com");
    manningButton.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        textPane.setEditable(false);
        try {
          textPane.setPage("http://www.java2s.com");
        } catch (IOException ioe) {
          ioe.printStackTrace();
        }
      }
    });
    textPane.insertComponent(manningButton);

    setSize(500, 450);
    setVisible(true);
  }

  protected void insertText(String text, AttributeSet set) {
    try {
      textPane.getDocument().insertString(
          textPane.getDocument().getLength(), text, set);
    } catch (BadLocationException e) {
      e.printStackTrace();
    }
  }

  // Needed for inserting icons in the right places
  protected void setEndSelection() {
    textPane.setSelectionStart(textPane.getDocument().getLength());
    textPane.setSelectionEnd(textPane.getDocument().getLength());
  }

  public static void main(String argv[]) {
    new JTextPaneDemo();
  }
}



           
         
    
    
  

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