Adding event listener for the view

src/view/BoardEventListener.java

@@ -0,0 +1,38 @@
+package view;
+
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+
+public class BoardEventListener implements MouseListener {
+
+	@Override
+	public void mouseClicked(MouseEvent e) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void mouseEntered(MouseEvent e) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void mouseExited(MouseEvent e) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void mousePressed(MouseEvent e) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void mouseReleased(MouseEvent e) {
+		// TODO Auto-generated method stub
+
+	}
+
+}

src/view/Checker.java

@@ -1,35 +1,61 @@
 package view;
 
-import java.awt.Color;
-import java.awt.Graphics;
-import java.awt.Graphics2D;
-import java.awt.RenderingHints;
-
-import javax.swing.BorderFactory;
-import javax.swing.JButton;
+import java.awt.*;
+import javax.swing.*;
 
+/**
+ * Represents a graphical checkers piece on the checkers canvas.
+ * @author john
+ *
+ */
 public class Checker extends JButton {
+
+	/* The color of the checker */
 	private Color color;
 
 	public Checker(Color color) {
 		super("");
 		this.color = color;
+		initButtonProperties();
+	}
+
+	/**
+	 * Initializes the properties of the Checker as a JButton
+	 */
+	private void initButtonProperties() {
+		/* We want the JButton to actually be completely transparent */
 		this.setContentAreaFilled(false);
 		this.setBorderPainted(false);
 		this.setFocusable(false);
 		this.setOpaque(false);
 	}
-
+
+	/**
+	 * Overrides the JButton's painComponent method to paint a circle which
+	 * represents the checkers piece.
+	 */
+	@Override
 	protected void paintComponent(Graphics g) {
-		  Graphics2D g2 = (Graphics2D) g;
-		  RenderingHints hints = new RenderingHints(null);
-		  hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
-		  hints.put(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
-		  hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
-		  g2.setRenderingHints(hints);
-		  g2.setColor(color);
-		  g2.fillOval(5, 5, getSize().width-10,getSize().height-10);
-		  super.paintComponent(g2);
+		/* Cast to a 2D graphics object */
+		Graphics2D g2 = (Graphics2D) g;
+
+		/* Add some hints from rendering */
+		RenderingHints hints = new RenderingHints(null);
+		hints.put(RenderingHints.KEY_ANTIALIASING, 
+				RenderingHints.VALUE_ANTIALIAS_ON);
+		hints.put(RenderingHints.KEY_INTERPOLATION, 
+				RenderingHints.VALUE_INTERPOLATION_BICUBIC);
+		hints.put(RenderingHints.KEY_RENDERING, 
+				RenderingHints.VALUE_RENDER_QUALITY);
+		g2.setRenderingHints(hints);
+
+		/* Set the graphics object's color to the checker's color
+		 * and paint an oval which represents the checker. */
+		g2.setColor(color);
+		g2.fillOval(5, 5, getSize().width-10,getSize().height-10);
+
+		/* Make a call to the super classes painComponent method */
+		super.paintComponent(g2);
 	}
 
 }

src/view/Square.java

@@ -1,27 +1,53 @@
 package view;
 
-import java.awt.BorderLayout;
-import java.awt.Color;
-import java.awt.event.MouseEvent;
-import java.awt.event.MouseListener;
+import java.awt.*;
+import java.awt.event.*;
 import javax.swing.*;
 import model.Location;
 
+/**
+ * Represents a square or cell on the checkers board. A square may contain a 
+ * checker.
+ * @author john
+ *
+ */
 public class Square extends JPanel implements MouseListener {
-	private Color color;
+
+	/** 
+	 * The {@link Location} (row, col) of the square on the board.
+	 */
 	private final Location location;
+
+	/** 
+	 * The {@link Checker} object contained in this square. Null if there is none.
+	 */
 	private Checker piece;
+
+	/**
+	 * A boolean value representing whether the square is selected for movement.
+	 */
 	private boolean selected;
 
+
+	/**
+	 * Constructs a graphical square with the given color and location.
+	 * @param color		A {@link Color} object representing the square's color.
+	 * @param location	A {@link Location} object representing the row and column.
+	 */
 	public Square(Color color, Location location) {
 		super();
-		this.color = color;
 		this.location = location;
 		this.selected = false;
+		initSquare(color);
+	}
+
+
+	private void initSquare(Color color) {
 		this.setBackground(color);
 		this.setLayout(new BorderLayout());
 	}
 
+
 	public Location getCellLocation() {
 		return location;
 	}