Starting to deal with tile touches on Gameboard. Ignore if tile is immovable or empty.

Author: thillerson

src/com/tackmobile/GameTile.java

@@ -1,15 +1,12 @@
 package com.tackmobile;
 
-import roboguice.util.Ln;
-
 import com.tackmobile.GameboardView.Coordinate;
 
 import android.content.Context;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.ShapeDrawable;
 import android.graphics.drawable.shapes.RoundRectShape;
-import android.view.MotionEvent;
 import android.view.View;
 
 public class GameTile extends View {
@@ -27,12 +24,6 @@ public GameTile(Context context, Coordinate coordinate) {
 		setBackgroundDrawable(drawable);
 	}
 
-	@Override
-	public boolean onTouchEvent(MotionEvent event) {
-		Ln.d("%s\n\trecieved touch event: %s", this, event);
-		return super.onTouchEvent(event);
-	}
-
 	@Override
 	public String toString() {
 		return String.format("<GameTile at row: %d, col: %d", coordinate.row, coordinate.column);
@@ -47,4 +38,8 @@ public void setEmpty(boolean empty) {
 		if (empty) setBackgroundDrawable(null);
 	}
 
+	public boolean isInRowOrColumnOf(GameTile otherTile) {
+		return (coordinate.sharesAxisWith(otherTile.coordinate));
+	}
+
 }

src/com/tackmobile/GameboardView.java

@@ -6,9 +6,12 @@
 import android.content.Context;
 import android.graphics.Rect;
 import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnTouchListener;
 import android.widget.RelativeLayout;
 
-public class GameboardView extends RelativeLayout {
+public class GameboardView extends RelativeLayout implements OnTouchListener {
 
 	protected Size tileSize;
 	protected Rect gameboardRect;
@@ -54,9 +57,25 @@ protected void createTiles() {
 		}
 	}
 
+	public boolean onTouch(View v, MotionEvent event) {
+		try {
+			GameTile touchedTile = (GameTile)v;
+			Ln.d("%s\n\tTile touched: %s", touchedTile, event);
+			if (touchedTile.isEmpty() || !touchedTile.isInRowOrColumnOf(emptyTile)) {
+				Ln.d("Empty or immovable tile; ignoring");
+				return false;
+			} else {
+				return true;
+			}
+		} catch (ClassCastException e) {
+			return false;
+		}
+	}
+
 	protected GameTile createTileAtCoordinate(Coordinate coordinate) {
 		GameTile tile = new GameTile(getContext(), coordinate);
 		tiles.add(tile);
+		tile.setOnTouchListener(this);
 		return tile;
 	}
 
@@ -102,6 +121,10 @@ public Coordinate(int row, int column) {
 			this.column = column;
 		}
 
+		public boolean sharesAxisWith(Coordinate coordinate) {
+			return (row == coordinate.row || column == coordinate.column);
+		}
+
 	}
 
 }