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The Jadex BDI-BPMN applications package contain
several example applications, benchmarks and
testcases using BDI agents that have BPMN plans.
package jadex.bdibpmn.examples.puzzle;
import jadex.commons.gui.SGUI;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.beans.PropertyChangeEvent;
import java.util.ArrayList;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.UIDefaults;
/**
* Display the board.
*/
public class BoardPanel extends JPanel
{
//-------- constants --------
/** The image icons. */
public static UIDefaults icons = new UIDefaults(new Object[]
{
"white_piece", SGUI.makeIcon(BoardPanel.class, "/jadex/bdibpmn/examples/puzzle/images/white_piece.png"),
"red_piece", SGUI.makeIcon(BoardPanel.class, "/jadex/bdibpmn/examples/puzzle/images/red_piece.png"),
"empty_field", SGUI.makeIcon(BoardPanel.class, "/jadex/bdibpmn/examples/puzzle/images/empty_field.png")
});
//-------- attributes --------
/** The board to visualize. */
protected IBoard board;
/** Indicates if an image rescaling is necessray. */
protected boolean rescale;
/** The white piece image. */
protected Image wp_image;
/** The red piece image. */
protected Image rp_image;
/** The empty field image. */
protected Image ef_image;
/** The component to display white pieces. */
protected JLabel white_piece;
/** The component to display white pieces. */
protected JLabel red_piece;
/** The component to display white pieces. */
protected JLabel empty_field;
/** The listeners. */
protected java.util.List listeners;
/** The move count (to detect takebacks). */
protected int movecnt;
/** The last move (if any). */
protected Move last;
//-------- constructors --------
/**
* Create a new board panel.
*/
public BoardPanel(IBoard board)
{
this.listeners = new ArrayList();
this.board = board;
this.wp_image = ((ImageIcon)icons.getIcon("white_piece")).getImage();
this.rp_image = ((ImageIcon)icons.getIcon("red_piece")).getImage();
this.ef_image = ((ImageIcon)icons.getIcon("empty_field")).getImage();
this.white_piece = new JLabel(new ImageIcon(wp_image), JLabel.CENTER);
this.red_piece = new JLabel(new ImageIcon(rp_image), JLabel.CENTER);
this.empty_field = new JLabel(new ImageIcon(ef_image), JLabel.CENTER);
// Trigger rescaling of images.
this.addComponentListener(new ComponentAdapter()
{
public void componentResized(ComponentEvent ce)
{
rescale = true;
}
});
this.addMouseListener(new MouseAdapter()
{
/**
* Invoked when the mouse has been clicked on a component.
*/
public void mouseClicked(MouseEvent e)
{
//System.out.println("Mouse clicked: "+e.getX()+" "+e.getY());
int size = BoardPanel.this.board.getSize();
Rectangle r = BoardPanel.this.getBounds();
int x = (int)(e.getX()/(r.getWidth()/(double)size));
int y = (int)(e.getY()/(r.getHeight()/(double)size));
int m = size/2;
if(!(xm || x>m && y display inverse of old last move.
else
{
g.setColor(Color.red);
Move tb = new Move(last.getEnd(), last.getStart());
drawArrow(g, tb, cellw, cellh);
last = board.getLastMove();
}
movecnt = board.getMoves().size();
}
}
/**
* Draw an arrow for visulizing the move.
*/
protected void drawArrow(Graphics g, Move move, double cellw, double cellh)
{
int xs = move.getStart().getX();
int ys = move.getStart().getY();
int xe = move.getEnd().getX();
int ye = move.getEnd().getY();
int xms = (int)(xs*cellw+cellw/2);
int yms = (int)(ys*cellh+cellh/2);
int xme = (int)(xe*cellw+cellw/2);
int yme = (int)(ye*cellh+cellh/2);
//g.drawLine(xms, yms, xme, yme);
int asize = Math.max((int)(Math.min(cellw, cellh)/8), 1);
int thick = Math.max(asize/4, 1);
if(xsxe)
{
// Arrow left.
g.fillRect(xme+asize, yms-thick/2, xms-xme-asize, thick);
g.fillPolygon(new int[]{xme+asize, xme+asize, xme}, new int[]{yme-asize, yme+asize, yme}, 3);
}
else if(ys