Name: jbT81659 Date: 10/29/2000

Merlin-B38, So9laris Sparc, JTextPane throws exceptions when executed:

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Exception occurred during event dispatching:
java.lang.IllegalArgumentException: range 19 to 39 is invalid for paragraph of length 20
        at java.text.Bidi.createLineBidi(Bidi.java:259)
        at java.awt.font.TextMeasurer.makeTextLineOnRange(TextMeasurer.java:439)
        at java.awt.font.TextMeasurer.getLayout(TextMeasurer.java:566)
        at java.awt.font.LineBreakMeasurer.nextLayout(LineBreakMeasurer.java:422)
        at javax.swing.text.TextLayoutStrategy.createView(TextLayoutStrategy.java:199)
        at javax.swing.text.FlowView$FlowStrategy.layoutRow(FlowView.java:438)
        at javax.swing.text.TextLayoutStrategy.layoutRow(TextLayoutStrategy.java:111)
        at javax.swing.text.FlowView$FlowStrategy.layout(FlowView.java:394)
        at javax.swing.text.TextLayoutStrategy.layout(TextLayoutStrategy.java:94)
        at javax.swing.text.FlowView.setSize(FlowView.java:183)
        at javax.swing.text.AsyncBoxView$ChildState.updateChild(AsyncBoxView.java:1241)
        at javax.swing.text.AsyncBoxView$ChildState.run(AsyncBoxView.java:1182)
        at javax.swing.text.AsyncBoxView$ChildLocator.getChildAllocation(AsyncBoxView.java:978)
        at javax.swing.text.AsyncBoxView$ChildLocator.getChildAllocation(AsyncBoxView.java:945)
        at javax.swing.text.AsyncBoxView.modelToView(AsyncBoxView.java:745)
        at javax.swing.text.ZoneView$Zone.modelToView(ZoneView.java:560)
        at javax.swing.text.CompositeView.modelToView(CompositeView.java:242)
        at javax.swing.text.BoxView.modelToView(BoxView.java:445)
        at javax.swing.plaf.basic.BasicTextUI$RootView.modelToView(BasicTextUI.java:1296)
        at javax.swing.plaf.basic.BasicTextUI.modelToView(BasicTextUI.java:838)
        at javax.swing.text.DefaultCaret.paint(DefaultCaret.java:424)
        at javax.swing.plaf.basic.BasicTextUI.paintSafely(BasicTextUI.java:547)
        at javax.swing.plaf.basic.BasicTextUI.paint(BasicTextUI.java:677)
        at javax.swing.plaf.basic.BasicTextUI.update(BasicTextUI.java:656)
        at javax.swing.JComponent.paintComponent(JComponent.java:430)
        at javax.swing.JComponent.paint(JComponent.java:689)
        at javax.swing.JComponent.paintChildren(JComponent.java:536)
        at javax.swing.JComponent.paint(JComponent.java:698)
        at javax.swing.JComponent.paintChildren(JComponent.java:536)
        at javax.swing.JComponent.paint(JComponent.java:698)
        at javax.swing.JComponent.paintChildren(JComponent.java:536)
        at javax.swing.JComponent.paintWithOffscreenBuffer(JComponent.java:4257)
        at javax.swing.JComponent.paintDoubleBuffered(JComponent.java:4203)
        at javax.swing.JComponent._paintImmediately(JComponent.java:4155)
        at javax.swing.JComponent.paintImmediately(JComponent.java:3987)
        at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:399)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:120)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:421)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:136)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:122)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:118)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)
---------------------------
Here is the code for jTextPane.java
=======

/* Copyright (c) Sun Microsystems 1999

$Header: /home/sun/src/JDK1.2/jTextPane.java,v 1.17 2000/03/30 08:13:08 isam Exp $

*/

import java.awt.*;
import java.awt.font.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.text.*;

public class jTextPane extends JApplet
{
  public void init()
  {
    jTextPane1 jpane = new jTextPane1();
    getContentPane().add(jpane);
  }

  public static void main(String[] args)
  {
    JFrame frame = new JFrame("\u0645\u062b\u0627\u0644");
    frame.setContentPane(new jTextPane1());
    frame.pack();
    frame.setVisible(true);
        frame.addWindowListener( new WindowAdapter()
        {
             public void windowClosing( WindowEvent e)
             {
                 System.exit(0);
             }
        });

  }
}
class jTextPane1 extends JPanel
{
  public jTextPane1()
  {
    JLabel l;
    JPanel p;
    JTextField field;
    JTextArea area;
    JTextPane pane;
    JPanel panel = new JPanel(new FlowLayout(FlowLayout.LEFT));

    p = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
    l = new JLabel("JTP1 implicit, left");
    pane = new JTextPane();
    pane.setFont(new Font("Lucida Sans Regular", Font.PLAIN, 9));
    l.setVerticalAlignment(SwingConstants.BOTTOM);
    l.setFont(new Font("Lucida Sans Regular", Font.PLAIN, 9));
    pane.setPreferredSize(new Dimension(320, 320));
    pane.setText("\u062a\u0641\u0627\u062d\u0020\u0623\u062d\u0645\u0631\u0020\u05d9\u05d5\u05dd\u0020\u05e0\u05e2\u05d9\u05dd");
    p.add(l);
    p.add(pane);
    p.setPreferredSize(new Dimension(450,450));
    panel.add(p);

    p = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
    l = new JLabel("JTP2 explicit RTL, left");
    pane = new JTextPane();
    pane.setFont(new Font("Lucida Sans Regular", Font.PLAIN, 9));
    l.setVerticalAlignment(SwingConstants.BOTTOM);
    l.setFont(new Font("Lucida Sans Regular", Font.PLAIN, 9));
    pane.getDocument().putProperty(TextAttribute.RUN_DIRECTION,TextAttribute.RUN_DIRECTION_RTL);
    pane.setPreferredSize(new Dimension(320, 320));
    pane.setText("\u0053\u0074\u0061\u0072\u0074\u0020\u062a\u0641\u0627\u062d\u0020\u0623\u062d\u0645\u0631\u0020\u05d9\u05d5\u05dd\u0020\u05e0\u05e2\u05d9\u05dd");
    p.add(l);
    p.add(pane);
    p.setPreferredSize(new Dimension(500,500));
    panel.add(p);

    p = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
    l = new JLabel("JTP3 explicit RTL, right");
    l.setVerticalAlignment(SwingConstants.BOTTOM);
    l.setFont(new Font("Lucida Sans Regular", Font.PLAIN, 9));
    pane = new JTextPane();
    pane.getDocument().putProperty(TextAttribute.RUN_DIRECTION,TextAttribute.RUN_DIRECTION_RTL);
    MutableAttributeSet rightStyle;
    rightStyle = new SimpleAttributeSet();
    StyleConstants.setAlignment(rightStyle,StyleConstants.ALIGN_RIGHT);
    StyledDocument doc = pane.getStyledDocument();
    SimpleAttributeSet a = new SimpleAttributeSet();
    pane.setFont(new Font("Lucida Sans Regular", Font.PLAIN, 9));
    pane.setText("\u0053\u0074\u0061\u0072\u0074\u0020\u062a\u0641\u0627\u062d\u0020\u0623\u062d\u0645\u0631\u0020\u05d9\u05d5\u05dd\u0020\u05e0\u05e2\u05d9\u05dd");
    pane.setParagraphAttributes(rightStyle,true);
    p.setPreferredSize(new Dimension(500,500));
    p.add(l);
    p.add(pane);
    pane.setPreferredSize(new Dimension(320, 320));
    panel.add(p);

    p = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
    l = new JLabel("JTP4 explicit LTR, left");
    l.setVerticalAlignment(SwingConstants.BOTTOM);
    l.setFont(new Font("Lucida Sans Regular", Font.PLAIN, 9));
    pane = new JTextPane();
    pane.setFont(new Font("Lucida Sans Regular", Font.PLAIN, 9));
    pane.getDocument().putProperty(TextAttribute.RUN_DIRECTION,TextAttribute.RUN_DIRECTION_LTR);
    pane.setPreferredSize(new Dimension(320, 320));
    pane.setText("\u062a\u0641\u0627\u062d\u0020\u0623\u062d\u0645\u0631\u0020\u05d9\u05d5\u05dd\u0020\u05e0\u05e2\u05d9\u05dd");
    p.add(l);
    p.add(pane);
    p.setPreferredSize(new Dimension(500,500));
    panel.add(p);
    
    panel.setPreferredSize(new Dimension(500,2000));

    JScrollPane scroll = new JScrollPane(panel);
    scroll.setPreferredSize(new Dimension(650,450));

    add(scroll);
  }
}

=======

WorkAround:
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