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Text Tab Sample



/*
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.JFrame;
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.StyleConstants;
import javax.swing.text.StyledDocument;
import javax.swing.text.TabSet;
import javax.swing.text.TabStop;

public class TextTabSample {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Tab Attributes");
    Container content = frame.getContentPane();

    StyledDocument document = new DefaultStyledDocument();

    int positions[] TabStop.ALIGN_BAR, TabStop.ALIGN_CENTER,
        TabStop.ALIGN_DECIMAL, TabStop.ALIGN_LEFT, TabStop.ALIGN_RIGHT };
    String strings[] "\tBAR\n""\tCENTER\n""\t3.14159265\n",
        "\tLEFT\n""\tRIGHT\n" };

    SimpleAttributeSet attributes = new SimpleAttributeSet();

    for (int i = 0, n = positions.length; i < n; i++) {
      TabStop tabstop = new TabStop(150, positions[i], TabStop.LEAD_DOTS);
      try {
        int position = document.getLength();
        document.insertString(position, strings[i]null);
        TabSet tabset = new TabSet(new TabStop[] { tabstop });
        StyleConstants.setTabSet(attributes, tabset);
        document.setParagraphAttributes(position, 1, attributes, false);
      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(300150);
    frame.setVisible(true);
  }
}

           
       
Related examples in the same category
1.  HTMLDocument: Element Iterator Example
2.  HTMLEditorKit Demo HTMLEditorKit Demo
3.  SimpleAttributeSet Example SimpleAttributeSet Example
4.  Styled Document Styled Document
























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