Fix for PENDING in javax.swing.text.html.ParagraphView line #131

Investigating source of HTMLEditorKit I found many PENDING things. That's fix for one of them - proper minimal necessary span detecting in table cells.
Hope it will help to somebody else.
import javax.swing.*;
import javax.swing.text.html.*;
import javax.swing.text.html.ParagraphView;
import javax.swing.text.*;
import java.awt.*;
import java.text.*;
import java.util.ArrayList;
public class App extends JFrame {
    public static String htmlString="<html>\n" +
            "<body>\n" +
            "<p>The following table is used to illustrate the PENDING in javax.swing.text.html.ParagraphView line #131 fix.</p>\n" +
            "<table cellspacing=\"0\" border=\"1\" width=\"50%\" cellpadding=\"3\">\n" +
            "<tr>\n" +
            "<td>\n" +
            "<p>111111111111111111111111111111111<b>bold</b>22222222222222222222222222222</p>\n" +
            "</td>\n" +
            "<td>\n" +
            "<p>-</p>\n" +
            "</td>\n" +
            "</tr>\n" +
            "</table>\n" +
            "<p></p>\n" +
            "</body>\n" +
            "</html>";
    JEditorPane editor=new JEditorPane();
    JEditorPane editor2=new JEditorPane();
    public static void main(String[] args) {
        App app = new App();
        app.setVisible(true);
    public App() {
        super("HTML span fix example");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JSplitPane split=new JSplitPane(JSplitPane.VERTICAL_SPLIT, createFixedPanel(), createOriginalPanel());
        getContentPane().add(split);
        setSize(700, 500);
        split.setDividerLocation(240);
        setLocationRelativeTo(null);
    JComponent createOriginalPanel() {
        JPanel p=new JPanel(new BorderLayout());
        p.add(new JLabel("Original HTMLEditorKit"), BorderLayout.NORTH);
        HTMLEditorKit kit=new HTMLEditorKit();
        editor2.setEditorKit(kit);
        editor2.setContentType("text/html");
        editor2.setText(htmlString);
        p.add(new JScrollPane(editor2), BorderLayout.CENTER);
        return p;
    JComponent createFixedPanel() {
        JPanel p=new JPanel(new BorderLayout());
        p.add(new JLabel("Fixed HTMLEditorKit"), BorderLayout.NORTH);
        HTMLEditorKit kit=new MyHTMLEditorKit();
        editor.setEditorKit(kit);
        editor.setContentType("text/html");
        editor.setText(htmlString);
        p.add(new JScrollPane(editor), BorderLayout.CENTER);
        return p;
class MyHTMLEditorKit extends HTMLEditorKit {
    ViewFactory defaultFactory=new MyHTMLFactory();
    public ViewFactory getViewFactory() {
        return defaultFactory;
class MyHTMLFactory extends HTMLEditorKit.HTMLFactory {
    public View create(Element elem) {
        View v=super.create(elem);
        if (v instanceof ParagraphView) {
            v=new MyParagraphView(elem);
        return v;
class MyParagraphView extends ParagraphView {
    public MyParagraphView(Element elem) {
        super(elem);
    protected SizeRequirements calculateMinorAxisRequirements(int axis, SizeRequirements r) {
        r = super.calculateMinorAxisRequirements(axis, r);
        float min=getLongestWordSpan();
        r.minimum = Math.max(r.minimum, (int) min);
        return r;
    public float getLongestWordSpan() {
        if (getContainer()!=null && getContainer() instanceof JTextComponent) {
            try {
                int offs=0;
                JTextComponent c=(JTextComponent)getContainer();
                Document doc=getDocument();
                int start=getStartOffset();
                int end=getEndOffset()-1; //don't need the last \n
                String text=doc.getText(start, end - start);
                if(text.length() > 1) {
                    BreakIterator words = BreakIterator.getWordInstance(c.getLocale());
                    words.setText(text);
                    ArrayList<Integer> wordBounds=new ArrayList<Integer>();
                    wordBounds.add(offs);
                    int count=1;
                    while (offs<text.length() && words.isBoundary(offs)) {
                        offs=words.next(count);
                        wordBounds.add(offs);
                    float max=0;
                    for (int i=1; i<wordBounds.size(); i++) {
                        int wStart=wordBounds.get(i-1)+start;
                        int wEnd=wordBounds.get(i)+start;
                        float span=getLayoutSpan(wStart,wEnd);
                        if (span>max) {
                            max=span;
                    return max;
            } catch (BadLocationException e) {
                e.printStackTrace();
        return 0;
    public float getLayoutSpan(int startOffset, int endOffset) {
        float res=0;
        try {
            Rectangle r=new Rectangle(Short.MAX_VALUE, Short.MAX_VALUE);
            int startIndex= layoutPool.getViewIndex(startOffset,Position.Bias.Forward);
            int endIndex= layoutPool.getViewIndex(endOffset,Position.Bias.Forward);
            View startView=layoutPool.getView(startIndex);
            View endView=layoutPool.getView(endIndex);
            int x1=startView.modelToView(startOffset,r,Position.Bias.Forward).getBounds().x;
            int x2=endView.modelToView(endOffset,r,Position.Bias.Forward).getBounds().x;
            res=startView.getPreferredSpan(View.X_AXIS)-x1;
            for (int i=startIndex+1; i<endIndex; i++) {
                res+=layoutPool.getView(i).getPreferredSpan(View.X_AXIS);
            res+=x2;
        } catch (BadLocationException e) {
            e.printStackTrace();
        return res;
}Regards,
Stas

I'm changing the foreground color with
MutableAttributeSet attr = new SimpleAttributeSet();
StyleConstants.setForeground(attr, newColor);
int start=MyJTextPane..getSelectionStart();
int end=MyJTextPane.getSelectionEnd();
if (start != end) {
htmlDoc.setCharacterAttributes(start, end, attr, false);
else {
MutableAttributeSet inputAttributes =htmlEditorKit.getInputAttributes();
inputAttributes.addAttributes(attr);   

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