Swing/OneLineTextPane のバックアップ(No.1)

JTextPane textPane = new JTextPane() {
  // @see http://www.java2s.com/Code/Java/Swing-JFC/NonWrappingWrapTextPane.htm
  @Override public boolean getScrollableTracksViewportWidth() {
    Component parent = getParent();
    ComponentUI ui = getUI();
    return parent != null ? (ui.getPreferredSize(this).width<=parent.getSize().width) : true;
  }
  @Override public void scrollRectToVisible(Rectangle rect) {
    int r = getBorder().getBorderInsets(this).right;
    rect.grow(r, 0);
    super.scrollRectToVisible(rect);
  }
};
AbstractDocument doc = new SimpleSyntaxDocument();
textPane.setDocument(doc);
try {
  doc.insertString(0, text, null);
} catch(Exception ex) {
  ex.printStackTrace();
}
InputMap im = textPane.getInputMap(JComponent.WHEN_FOCUSED);
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), new AbstractAction() {
  @Override public void actionPerformed(ActionEvent e) {
    // Do nothing
  }
});
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0), new AbstractAction() {
  @Override public void actionPerformed(ActionEvent e) {
    // Do nothing
  }
});

// @see http://terai.xrea.jp/Swing/FocusTraversalKeys.html
Set<AWTKeyStroke> forwardKeys = new HashSet<AWTKeyStroke>(
    textPane.getFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));
forwardKeys.add(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0));
forwardKeys.add(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, KeyEvent.SHIFT_MASK));
textPane.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, forwardKeys);

JScrollPane scrollPane = new JScrollPane(
  textPane, ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER) {
  @Override public Dimension getPreferredSize() {
    Dimension d = super.getPreferredSize();
    d.width = 100;
    return d;
  }
};