@Override
public void mouseClicked(MouseEvent e) {
    WebTextPane textPane = (WebTextPane) e.getComponent();
    StyledDocument doc = textPane.getStyledDocument();
    Element elem = doc.getCharacterElement(textPane.viewToModel(e.getPoint()));
    if (!elem.getAttributes().isDefined(URL_ATT_NAME))
        // not a link
        return;

    int len = elem.getEndOffset() - elem.getStartOffset();
    final String url;
    try {
        url = doc.getText(elem.getStartOffset(), len);
    } catch (BadLocationException ex) {
        LOGGER.log(Level.WARNING, "can't get URL", ex);
        return;
    }

    Runnable run = new Runnable() {
        @Override
        public void run() {
            WebUtils.browseSiteSafely(fixProto(url));
        }
    };
    new Thread(run, "Link Browser").start();
}
 

@Override
public void mouseMoved(MouseEvent e) {
    WebTextPane textPane = (WebTextPane) e.getComponent();
    StyledDocument doc = textPane.getStyledDocument();
    Element elem = doc.getCharacterElement(textPane.viewToModel(e.getPoint()));
    if (elem.getAttributes().isDefined(URL_ATT_NAME)) {
        textPane.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
    } else {
        textPane.setCursor(Cursor.getDefaultCursor());
    }
}
 

@NotNull
@Override
protected List<? extends JComponent> createPreviewElements ()
{
    final WebTextPane textPane = new WebTextPane ( getStyleId () );
    textPane.setInputPrompt ( getPreviewLanguagePrefix () + "prompt" );
    return CollectionUtils.asList ( new WebScrollPane ( textPane ).setPreferredSize ( 200, 100 ) );
}
 

@NotNull
@Override
protected List<? extends JComponent> createPreviewElements ()
{
    final WebTextPane textPane = new WebTextPane ( getStyleId () );
    textPane.setText ( "Sample\nmultiline\ntext" );
    return CollectionUtils.asList ( textPane.setPreferredWidth ( 200 ) );
}
 

public AboutDialog(JFrame frame)
{
	super(frame, "About Spade");
	this.setIconImage(GUIManager.ICON);
	this.center(400, 300);
	this.setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE);
	
	WebTextPane area = new WebTextPane();
	StyledDocument doc = area.getStyledDocument();
	
	addStylesToDocument(doc);
	
	append(doc, "Spade", "large");
	append(doc, "\n    Version: ", "bold");
	append(doc, Spade.getVersion().toString(), "regular");
	append(doc, "\n    Build Type: ", "bold");
	append(doc, Spade.BUILD_TYPE, "regular");
	append(doc, "\n    Released on: ", "bold");
	append(doc, Spade.RELEASED, "regular");
	append(doc, "\n\n", "regular");
	append(doc, "Spade is an open-source cross-platform raster graphics editor inspired by Paint.NET.", "regular");
	append(doc, "It was started, and is currently maintained by HeroesGrave.\n", "regular");
	append(doc, "\n", "regular");
	append(doc, "Links:\n", "large");
	append(doc, "    Github Repo:\n", "bold");
	append(doc, "        " + Spade.REPO_URL + "\n", "italic");
	append(doc, "    HeroesGrave Development:\n", "bold");
	append(doc, "        http://heroesgrave.github.io/\n", "italic");
	append(doc, "\n", "regular");
	append(doc, "Credits:\n", "large");
	append(doc, "    HeroesGrave\n", "regular");
	append(doc, "    Longor1996\n", "regular");
	append(doc, "    BurntPizza\n", "regular");
	append(doc, "    SuperDisk\n", "regular");
	append(doc, "    Gef4k\n", "regular");
	append(doc, "    MarkBernard\n", "regular");
	append(doc, "    pwnedary\n", "regular");
	
	area.setEditable(false);
	
	this.getContentPane().setLayout(new BorderLayout());
	this.getContentPane().add(new JScrollPane(area), BorderLayout.CENTER);
	this.setResizable(false);
}