Swing/DisableItemComboBox のバックアップの現在との差分(No.1)

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class DisableItemComboBox<E> extends JComboBox<E> {
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  private final Set<Integer> disableIndexSet = new HashSet<>();
  private boolean isDisableIndex;
  private final Action up = new AbstractAction() {
    @Override public void actionPerformed(ActionEvent e) {
      int si = getSelectedIndex();
      for (int i = si - 1; i >= 0; i--) {
        if (!disableIndexSet.contains(i)) {
          setSelectedIndex(i);
          break;
        }
      }
    }
  };
  private final Action down = new AbstractAction() {
    @Override public void actionPerformed(ActionEvent e) {
      int si = getSelectedIndex();
      for (int i = si + 1; i < getModel().getSize(); i++) {
        if (!disableIndexSet.contains(i)) {
          setSelectedIndex(i);
          break;
        }
      }
    }
  };

-&jnlp;
-&jar;
-&zip;
  public DisableItemComboBox() {
    super();
  }

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#screenshot
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  public DisableItemComboBox(ComboBoxModel<E> aModel) {
    super(aModel);
  }

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**サンプルコード [#eb0a9dc4]
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#code{{
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class MyComboBox extends JComboBox {
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  public MyComboBox() {
    super();
    final ListCellRenderer r = getRenderer();
    setRenderer(new ListCellRenderer() {
      public Component getListCellRendererComponent(JList list, Object value,
                 int index, boolean isSelected, boolean cellHasFocus) {
  public DisableItemComboBox(E[] items) {
    super(items);
  }
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  @Override public void updateUI() {
    super.updateUI();
    setRenderer(new DefaultListCellRenderer() {
      @Override public Component getListCellRendererComponent(
          JList list, Object value, int index,
          boolean isSelected, boolean cellHasFocus) {
        Component c;
        if(disableIndexSet.contains(index)) {
          c = r.getListCellRendererComponent(list,value,index,false,false);
        if (disableIndexSet.contains(index)) {
          c = super.getListCellRendererComponent(
              list, value, index, false, false);
          c.setEnabled(false);
        }else{
          c = r.getListCellRendererComponent(list,value,index,isSelected,cellHasFocus);
        } else {
          c = super.getListCellRendererComponent(
              list, value, index, isSelected, cellHasFocus);
          c.setEnabled(true);
        }
        return c;
      }
    });
    Action up = new AbstractAction() {
      public void actionPerformed(ActionEvent e) {
        int si = getSelectedIndex();
        for(int i = si-1;i>=0;i--) {
          if(!disableIndexSet.contains(i)) {
            setSelectedIndex(i);
            break;
          }
        }
      }
    };
    Action down = new AbstractAction() {
      public void actionPerformed(ActionEvent e) {
        int si = getSelectedIndex();
        for(int i = si+1;i<getModel().getSize();i++) {
          if(!disableIndexSet.contains(i)) {
            setSelectedIndex(i);
            break;
          }
        }
      }
    };
    ActionMap am = getActionMap();
    am.put("selectPrevious3", up);
    am.put("selectNext3", down);
    InputMap im = getInputMap();
    im.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0),    "selectPrevious3");
    im.put(KeyStroke.getKeyStroke(KeyEvent.VK_KP_UP, 0),   "selectPrevious3");
    im.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0),  "selectNext3");
    im.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), "selectPrevious3");
    im.put(KeyStroke.getKeyStroke(KeyEvent.VK_KP_UP, 0), "selectPrevious3");
    im.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), "selectNext3");
    im.put(KeyStroke.getKeyStroke(KeyEvent.VK_KP_DOWN, 0), "selectNext3");
  }
  private final HashSet<Integer> disableIndexSet = new HashSet<Integer>();
  private boolean isDisableIndex = false;
  public void setDisableIndex(HashSet<Integer> set) {
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  public void setDisableIndex(Set<Integer> set) {
    disableIndexSet.clear();
    for(Integer i:set) {
    for (Integer i: set) {
      disableIndexSet.add(i);
    }
  }
  @Override
  public void setPopupVisible(boolean v) {
    if(!v && isDisableIndex) {
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  @Override public void setPopupVisible(boolean v) {
    if (!v && isDisableIndex) {
      isDisableIndex = false;
    }else{
    } else {
      super.setPopupVisible(v);
    }
  }
  @Override
  public void setSelectedIndex(int index) {
    if(disableIndexSet.contains(index)) {
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  @Override public void setSelectedIndex(int index) {
    if (disableIndexSet.contains(index)) {
      isDisableIndex = true;
    }else{
      //isDisableIndex = false;
    } else {
      // isDisableIndex = false;
      super.setSelectedIndex(index);
    }
  }
}