Swing/TabbedPaneWithCheckBox のバックアップの現在との差分(No.14)

class TabbedPaneWithCompBorder implements Border, MouseListener, SwingConstants {
  private final JComponent  dummy = new JPanel();
  private final JCheckBox   cbox;
  private final JCheckBox checkBox;
  private final JTabbedPane tab;
  private Rectangle rect;
  public TabbedPaneWithCompBorder(JCheckBox cbox, JTabbedPane tab) {
    this.cbox = cbox;
    this.tab  = tab;
    tab.addMouseListener(this);
    cbox.setFocusPainted(false);
    cbox.addMouseListener(new MouseAdapter() {
      @Override public void mouseClicked(MouseEvent me) {
        JCheckBox cb = (JCheckBox) me.getSource();
        cb.setSelected(!cb.isSelected());
      }
    });
  private final Container rubberStamp = new JPanel();
  private final Rectangle rect = new Rectangle();
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  protected TabbedPaneWithCompBorder(JCheckBox checkBox, JTabbedPane tab) {
    this.checkBox = checkBox;
    this.tab = tab;
  }
  @Override public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
    Dimension size = cbox.getPreferredSize();
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  @Override public void paintBorder(
      Component c, Graphics g, int x, int y, int width, int height) {
    Dimension size = checkBox.getPreferredSize();
    int xx = tab.getSize().width - size.width;
    Rectangle lastTab = tab.getBoundsAt(tab.getTabCount() - 1);
    int tabEnd = lastTab.x + lastTab.width;
    if (xx < tabEnd) {
      xx = tabEnd;
    }
    rect = new Rectangle(xx, -2, size.width, size.height);
    SwingUtilities.paintComponent(g, cbox, dummy, rect);
    rect.setBounds(xx, -2, size.width, size.height);
    SwingUtilities.paintComponent(g, checkBox, rubberStamp, rect);
  }
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  @Override public Insets getBorderInsets(Component c) {
    return new Insets(0, 0, 0, 0);
  }
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  @Override public boolean isBorderOpaque() {
    return true;
  }
  private void dispatchEvent(MouseEvent me) {
    if (rect == null || !rect.contains(me.getX(), me.getY())) {
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  private void dispatchEvent(MouseEvent e) {
    if (!rect.contains(e.getX(), e.getY())) {
      return;
    }
    cbox.setBounds(rect);
    cbox.dispatchEvent(SwingUtilities.convertMouseEvent(tab, me, cbox));
    checkBox.setBounds(rect);
    checkBox.dispatchEvent(SwingUtilities.convertMouseEvent(tab, e, checkBox));
  }
  @Override public void mouseClicked(MouseEvent me)  { dispatchEvent(me); }
  @Override public void mouseEntered(MouseEvent me)  { dispatchEvent(me); }
  @Override public void mouseExited(MouseEvent me)   { dispatchEvent(me); }
  @Override public void mousePressed(MouseEvent me)  { dispatchEvent(me); }
  @Override public void mouseReleased(MouseEvent me) { dispatchEvent(me); }
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  @Override public void mouseClicked(MouseEvent e) {
    dispatchEvent(e);
  }
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  @Override public void mouseEntered(MouseEvent e) {
    dispatchEvent(e);
  }
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  @Override public void mouseExited(MouseEvent e) {
    dispatchEvent(e);
  }
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  @Override public void mousePressed(MouseEvent e) {
    dispatchEvent(e);
  }
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  @Override public void mouseReleased(MouseEvent e) {
    dispatchEvent(e);
  }
}