expandBoard not finished

src/GomokuBoard.java

@@ -1,4 +1,5 @@
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -147,6 +148,7 @@ public class GomokuBoard{
         return output;
 
     }
+    //------------------Methods--------------------------
     
     /**
     * This method return a Map of number aligned cells.
@@ -183,6 +185,85 @@ public class GomokuBoard{
         return max;
     }
 
+    public void expandBoard(Cardinal direction){
+        switch (direction) {
+            case Cardinal.SE:
+                this.expandBoard(Cardinal.S);
+                this.expandBoard(Cardinal.E);
+                return;
+
+            case Cardinal.NE:
+                this.expandBoard(Cardinal.N);
+                this.expandBoard(Cardinal.E);
+                return;
+            
+            case Cardinal.SW:
+                this.expandBoard(Cardinal.S);
+                this.expandBoard(Cardinal.W);
+                return;
+
+            case Cardinal.NW:
+                this.expandBoard(Cardinal.N);
+                this.expandBoard(Cardinal.W);
+                return;
+            
+            default:
+                break;
+        }
+
+        List<Cardinal> cardinals = Arrays.asList(Cardinal.values());
+        Cardinal topDirection = cardinals.get((cardinals.indexOf(direction) + 4)%8);
+        Cardinal topMinus = cardinals.get((cardinals.indexOf(topDirection) + 2)%8);
+        Cardinal topPlus = cardinals.get((cardinals.indexOf(topDirection) - 2)%8);
+
+        GomokuCell act = new GomokuCell(Color.NIL);
+        int maxLen = 0;
+        GomokuCell top = null;
+        GomokuCell newOrigin = null;
+        switch (direction) {
+            case Cardinal.N:
+                top = this.get(0, 0);
+                maxLen = this.boardWidth;
+                newOrigin = act;
+                break;
+
+            case Cardinal.W:
+                top = this.get(0,0);
+                maxLen = this.boardHeight; 
+                newOrigin = act;
+                break;
+
+            case Cardinal.S:
+                top = this.get(this.boardHeight-1, 0);
+                maxLen = this.boardWidth; 
+                newOrigin = this.get(0, 0);
+                break;
+            
+            case Cardinal.E:
+                top = this.get(0, this.boardWidth-1);    
+                maxLen = this.boardHeight; 
+                newOrigin = this.get(0, 0);
+                break;
+
+            default:
+                throw new IllegalStateException("Why are you here ?");
+        }
+
+
+        for (int i = 0; i < maxLen; i++) {
+            if (top != null) {
+                GomokuCell.link(act, top.getNeighbour(Cardinal.W), Cardinal.NW);
+                GomokuCell.link(act, top, Cardinal.N);
+                top = top.getNeighbour(Cardinal.E);
+                GomokuCell.link(act, top , Cardinal.NE);
+
+            }
+        }
+
+
+        
+    }
+
     //------------------Overides--------------------------
 
     /**