Swing/LargeCellEditor のバックアップ(No.11)

class IconTable extends JTable {
  private final MyGlassPane panel = new MyGlassPane();
  private final EditorFromList editor;
  private final JFrame frame;
  private Rectangle rect;

  public IconTable(JFrame _frame, TableModel model, Vector list) {
    super(model);
    setDefaultRenderer(Object.class, new TestRenderer());
    setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    initCellSize(50);
    frame = _frame;
    addMouseListener(new MouseAdapter() {
      @Override public void mouseClicked(MouseEvent me) {
        startEditing();
      }
    });
    editor = new EditorFromList(list);
    editor.addKeyListener(new KeyAdapter() {
      @Override public void keyPressed(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {
          cancelEditing();
        }
      }
    });
    editor.addMouseListener(new MouseAdapter() {
      @Override public void mouseClicked(MouseEvent me) {
        changeValue(me.getPoint());
      }
    });
    panel.add(editor);
    frame.setGlassPane(panel);
    panel.setVisible(false);
  }
  private void initCellSize(int size) {
    setRowHeight(size);
    JTableHeader tableHeader = getTableHeader();
    tableHeader.setResizingAllowed(false);
    tableHeader.setReorderingAllowed(false);
    TableColumnModel m = getColumnModel();
    for (int i = 0; i < m.getColumnCount(); i++) {
      TableColumn col = m.getColumn(i);
      col.setMinWidth(size);
      col.setMaxWidth(size);
    }
    setBorder(BorderFactory.createLineBorder(Color.BLACK));
  }
  private void initEditor() {
    Dimension dim = editor.getPreferredSize();
    rect = getCellRect(getSelectedRow(), getSelectedColumn(), true);
    int iv = (dim.width - rect.width) / 2;
    Point p = SwingUtilities.convertPoint(this,
                rect.getLocation(), panel);
    rect.setRect(p.x - iv, p.y - iv, dim.width, dim.height);
    editor.setBounds(rect);
    Object o = getValueAt(getSelectedRow(), getSelectedColumn());
    editor.setSelectedValue(o, true);
  }
  public void startEditing() {
    initEditor();
    panel.setVisible(true);
    editor.requestFocusInWindow();
  }
  private void cancelEditing() {
    panel.setVisible(false);
  }
  private void changeValue(Point p) {
    int index = editor.locationToIndex(p);
    Object o = editor.getModel().getElementAt(index);
    if (o != null) {
      setValueAt(o, getSelectedRow(), getSelectedColumn());
    }
    panel.setVisible(false);
  }
}