Customizing Tab Stops in a JTextPane Component - Java Swing

Java examples for Swing:JTextPane

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Description

Customizing Tab Stops in a JTextPane Component

Demo Code

import java.util.ArrayList;

import javax.swing.JTextPane;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.TabSet;
import javax.swing.text.TabStop;

public class Main {

  public void main(String[] argv) {
    JTextPane textPane = new JTextPane();
    java.util.List list = new ArrayList();

    // Create a left-aligned tab stop at 100 pixels from the left margin
    float pos = 100;
    int align = TabStop.ALIGN_LEFT;
    int leader = TabStop.LEAD_NONE;
    TabStop tstop = new TabStop(pos, align, leader);
    list.add(tstop);//from w w  w . j  av  a  2s. co  m

    // Create a right-aligned tab stop at 200 pixels from the left margin
    pos = 200;
    align = TabStop.ALIGN_RIGHT;
    leader = TabStop.LEAD_NONE;
    tstop = new TabStop(pos, align, leader);
    list.add(tstop);

    // Create a center-aligned tab stop at 300 pixels from the left margin
    pos = 300;
    align = TabStop.ALIGN_CENTER;
    leader = TabStop.LEAD_NONE;
    tstop = new TabStop(pos, align, leader);
    list.add(tstop);

    // Create a decimal-aligned tab stop at 400 pixels from the left margin
    pos = 400;
    align = TabStop.ALIGN_DECIMAL;
    leader = TabStop.LEAD_NONE;
    tstop = new TabStop(pos, align, leader);
    list.add(tstop);

    TabStop[] tstops = (TabStop[]) list.toArray(new TabStop[0]);
    TabSet tabs = new TabSet(tstops);

    Style style = textPane.getLogicalStyle();
    StyleConstants.setTabSet(style, tabs);
    textPane.setLogicalStyle(style);
  }
}

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