public void paint(Graphics graphics) {
super.paint(graphics);
int size = getFont().getSize();
for (int y = 0; y < Chess.NUM_OF_ROWS; y++) {
for (int x = 0; x < Chess.NUM_OF_COLS; x++) {
// System.out.println(y + " " + x);
int sqi =
(m_bottom == Chess.WHITE
? Chess.coorToSqi(x, Chess.NUM_OF_ROWS - y - 1)
: Chess.coorToSqi(Chess.NUM_OF_COLS - x - 1, y));
if (Chess.isWhiteSquare(sqi)) {
graphics.setColor(m_whiteSquareColor);
graphics.fillRect(x * size, y * size, size, size);
} else {
graphics.setColor(m_blackSquareColor);
graphics.fillRect(x * size, y * size, size, size);
}
int stone = (sqi == m_draggedFrom ? Chess.NO_STONE : m_position.getStone(sqi));
graphics.setColor(Chess.stoneToColor(stone) == Chess.WHITE ? m_whiteColor : m_blackColor);
if (m_solidStones) stone = Chess.pieceToStone(Chess.stoneToPiece(stone), Chess.BLACK);
// graphics.drawString(getStringForStone(stone, Chess.isWhiteSquare(sqi)), x
// * size, (y + 1) * size);
graphics.drawString(getStringForStone(stone, true), x * size, (y + 1) * size);
}
}
if (m_draggedStone != Chess.NO_STONE) {
graphics.setColor(
Chess.stoneToColor(m_draggedStone) == Chess.WHITE ? m_whiteColor : m_blackColor);
graphics.drawString(
getStringForStone(m_draggedStone, true), m_draggedX - size / 2, m_draggedY + size / 2);
}
}
public void mousePressed(MouseEvent e) {
if (m_positionMotionListener == null) return;
m_draggedFrom = getSquareForEvent(e);
if (m_positionMotionListener.allowDrag(m_position, m_draggedFrom)) {
m_draggedStone = m_position.getStone(m_draggedFrom);
m_draggedX = e.getX();
m_draggedY = e.getY();
m_draggedPartnerSqi = m_positionMotionListener.getPartnerSqi(m_position, m_draggedFrom);
// TODO mark m_draggedPartnerSqi
repaint();
} else {
m_positionMotionListener.squareClicked(m_position, m_draggedFrom, e);
m_draggedFrom = Chess.NO_SQUARE;
}
}
/**
* Create a new position view.
*
* @param position the position to display
* @param bottomPlayer the player at the lower edge
*/
public PositionView(AbstractMutablePosition position, int bottomPlayer) {
m_position = position;
m_bottom = bottomPlayer;
m_showSqiEP = false;
m_whiteSquareColor = new Color(128, 128, 192);
m_blackSquareColor = new Color(0, 0, 192);
m_whiteColor = Color.WHITE;
m_blackColor = Color.BLACK;
m_solidStones = true;
setFont(new Font("Chess Cases", Font.PLAIN, 32));
m_draggedStone = Chess.NO_STONE;
m_draggedFrom = Chess.NO_SQUARE;
m_draggedPartnerSqi = Chess.NO_SQUARE;
m_positionMotionListener = null;
m_position.addPositionListener(this); // TODO: when do we remove it?
addMouseListener(this);
addMouseMotionListener(this);
}
/**
* Determines whether or not the en passant square should be marked. NOT YET IMPLEMENTED.
*
* @param showSqiEP whether or not to mark the en passant square
*/
public void setShowSqiEP(boolean showSqiEP) {
m_showSqiEP = showSqiEP;
sqiEPChanged(m_position.getSqiEP());
}