Swing/ExplorerLikeTable のバックアップの現在との差分(No.6)

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class TestRenderer extends Box implements TableCellRenderer {
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  private final Border emptyBorder = BorderFactory.createEmptyBorder(1, 1, 1, 1);
  private final ImageIcon nicon;
  private final ImageIcon sicon;
  private final JLabel textLabel;
  private final JLabel iconLabel;
  public TestRenderer(JTable table) {
    super(BoxLayout.X_AXIS);
    textLabel = new JLabel("JLabel");
    textLabel.setOpaque(true);
    textLabel.setBorder(emptyBorder);
    nicon = new ImageIcon(getClass().getResource("wi0063-16.png"));
    FilteredImageSource fis = new FilteredImageSource(
      nicon.getImage().getSource(), new SelectedImageFilter());
    sicon = new ImageIcon(createImage(fis));
    iconLabel = new JLabel(nicon);
    iconLabel.setBorder(BorderFactory.createEmptyBorder());
    table.setRowHeight(Math.max(textLabel.getPreferredSize().height,
                  iconLabel.getPreferredSize().height));
    add(iconLabel);
    add(textLabel);
    add(Box.createHorizontalGlue());
  }

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  @Override public Component getTableCellRendererComponent(JTable table,
      Object value, boolean isSelected, boolean hasFocus, int row, int column) {
    textLabel.setText(Objects.toString(value, ""));
    FontMetrics fm = table.getFontMetrics(table.getFont());
    int swidth = fm.stringWidth(textLabel.getText()) + textLabel.getInsets().left
                              + textLabel.getInsets().right;
    int cwidth = table.getColumnModel().getColumn(column).getWidth()
                   -iconLabel.getPreferredSize().width;
    textLabel.setPreferredSize(new Dimension(swidth > cwidth ? cwidth : swidth, 0));
    if (isSelected) {
      textLabel.setForeground(table.getSelectionForeground());
      textLabel.setBackground(table.getSelectionBackground());
    } else {
      textLabel.setForeground(table.getForeground());
      textLabel.setBackground(table.getBackground());
    }
    if (hasFocus) {
      textLabel.setBorder(UIManager.getBorder("Table.focusCellHighlightBorder"));
    } else {
      textLabel.setBorder(emptyBorder);
    }
    textLabel.setFont(table.getFont());
    iconLabel.setIcon(isSelected?sicon:nicon);
    return this;
  }

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**サンプルコード [#f06fb511]
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#code{{
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public TestRenderer(JTable table) {
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  super(BoxLayout.X_AXIS);
  nicon = new ImageIcon(getClass().getResource("wi0063-16.png"));
  FilteredImageSource fis = new FilteredImageSource(
                nicon.getImage().getSource(),
                new SelectedImageFilter());
  sicon = new ImageIcon(createImage(fis));
  iconLabel.setIcon(nicon);
  textLabel = new MyLabel(table);
  table.setRowHeight(textLabel.getPreferredSize().height);
  private static class SelectedImageFilter extends RGBImageFilter {
    public SelectedImageFilter() {
      canFilterIndexColorModel = false;
    }
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    @Override public int filterRGB(int x, int y, int argb) {
      // Color color = new Color(argb, true);
      // float[] array = new float[4];
      // color.getComponents(array);
      // return new Color(array[0] * .5f, array[1] * .5f, array[2], array[3]).getRGB();
      int r = (argb >> 16) & 0xFF;
      int g = (argb >> 8) & 0xFF;
      return (argb & 0xFF_00_00_FF) | ((r >> 1) << 16) | ((g >> 1) << 8);
    }
  }
}
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public Component getTableCellRendererComponent(
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                 JTable table, Object value, boolean isSelected,
                 boolean hasFocus, int row, int column) {
  textLabel.setText((value ==null) ? "" : value.toString());
  FontMetrics fm = table.getFontMetrics(table.getFont());
  int swidth = fm.stringWidth(textLabel.getText()) +
               textLabel.getInsets().left +
               textLabel.getInsets().right;
  int cwidth = table.getColumnModel().getColumn(column).getWidth() -
               iconLabel.getPreferredSize().width;
  textLabel.setPreferredSize(
    new Dimension((swidth>cwidth)?cwidth:swidth, 10000));
  textLabel.setSelected(isSelected);
  textLabel.setFocusedBorder(hasFocus);
  textLabel.setFont(table.getFont());
  iconLabel.setIcon((isSelected)?sicon:nicon);
  removeAll();
  add(iconLabel);
  add(textLabel);
  add(Box.createHorizontalGlue());
  return this;
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}
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