protected void setActive(Component component, boolean active) {
if (component instanceof Tile) {
Tile tile = (Tile) component;
if (active) {
tile.addTiledView(_points);
tile.addMouseListener(_ml);
tile.addMouseWheelListener(_mwl);
InputMap im = tile.getInputMap();
ActionMap am = tile.getActionMap();
im.put(KS_BACK_SPACE, "backspace");
im.put(KS_UP, "up");
im.put(KS_DOWN, "down");
am.put("backspace", _bsa);
am.put("up", _uaa);
am.put("down", _daa);
} else {
tile.removeTiledView(_points);
tile.removeMouseListener(_ml);
tile.removeMouseWheelListener(_mwl);
InputMap im = tile.getInputMap();
ActionMap am = tile.getActionMap();
im.remove(KS_BACK_SPACE);
im.remove(KS_UP);
im.remove(KS_DOWN);
am.remove("backspace");
am.remove("up");
am.remove("down");
}
}
}