From 3a2c0638e3671af1449dc32a0488620bcfc204c5 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sun, 8 May 2011 18:45:32 +0200
Subject: Make Table.pickUpStone return the the stone sets that are created

git-svn-id: svn://sunsvr01.isp.uni-luebeck.de/swproj13/trunk@171 72836036-5685-4462-b002-a69064685172
---
 src/jrummikub/model/ITable.java |  5 ++++-
 src/jrummikub/model/Table.java  | 36 ++++++++++++++++++++----------------
 2 files changed, 24 insertions(+), 17 deletions(-)

diff --git a/src/jrummikub/model/ITable.java b/src/jrummikub/model/ITable.java
index 16fd4d3..1c3fd9f 100644
--- a/src/jrummikub/model/ITable.java
+++ b/src/jrummikub/model/ITable.java
@@ -1,5 +1,7 @@
 package jrummikub.model;
 
+import jrummikub.util.Pair;
+
 public interface ITable extends IStoneTray<StoneSet> {
 
 	/**
@@ -7,8 +9,9 @@ public interface ITable extends IStoneTray<StoneSet> {
 	 * 
 	 * @param stone
 	 *          stone to pick up
+	 * @return the stone sets that are created by taking pickung the the stone
 	 */
-	public void pickUpStone(Stone stone);
+	public Pair<StoneSet, StoneSet> pickUpStone(Stone stone);
 
 	/** Tests the Table for rule conflicts by checking all the {@link StoneSet} */
 	public boolean isValid();
diff --git a/src/jrummikub/model/Table.java b/src/jrummikub/model/Table.java
index 71ce27c..a763bef 100644
--- a/src/jrummikub/model/Table.java
+++ b/src/jrummikub/model/Table.java
@@ -10,24 +10,25 @@ public class Table extends StoneTray<StoneSet> implements ITable {
 		StoneSet set;
 		Position setPosition;
 		int stonePosition;
+
 		public StoneInfo(StoneSet set, Position setPosition, int stonePosition) {
 			this.set = set;
 			this.setPosition = setPosition;
 			this.stonePosition = stonePosition;
 		}
 	}
-	
+
 	/**
 	 * Removes {@link Stone} from the Table
 	 * 
 	 * @param stone
-	 *            stone to pick up
+	 *          stone to pick up
 	 */
 	@Override
-	public void pickUpStone(Stone stone) {
+	public Pair<StoneSet, StoneSet> pickUpStone(Stone stone) {
 		StoneInfo info = findStoneInfo(stone);
-		
-		splitSet(info.set, info.setPosition, info.stonePosition);
+
+		return splitSet(info.set, info.setPosition, info.stonePosition);
 	}
 
 	private StoneInfo findStoneInfo(Stone stone) {
@@ -55,7 +56,7 @@ public class Table extends StoneTray<StoneSet> implements ITable {
 		}
 		return info;
 	}
-	
+
 	@Override
 	public StoneSet findStoneSet(Stone stone) {
 		StoneInfo info = findStoneInfo(stone);
@@ -64,28 +65,29 @@ public class Table extends StoneTray<StoneSet> implements ITable {
 		}
 		return info.set;
 	}
-	
-	
 
-	private void splitSet(StoneSet set, Position setPosition, int stonePosition) {
+	private Pair<StoneSet, StoneSet> splitSet(StoneSet set, Position setPosition,
+			int stonePosition) {
 		pickUp(set);
-		
+
 		Pair<StoneSet, StoneSet> firstSplit = set.splitAt(stonePosition);
 		Pair<StoneSet, StoneSet> secondSplit = firstSplit.getSecond().splitAt(1);
-		
+
 		StoneSet leftSet = firstSplit.getFirst();
 		StoneSet rightSet = secondSplit.getSecond();
-		
+
 		if (set.classify() == StoneSet.Type.RUN) {
 			Position leftPosition, rightPosition;
 			leftPosition = setPosition;
-			rightPosition = new Position(setPosition.getX() + stonePosition, setPosition.getY());
-			
+			rightPosition = new Position(setPosition.getX() + stonePosition,
+					setPosition.getY());
+
 			drop(leftSet, leftPosition);
 			drop(rightSet, rightPosition);
 		} else {
-			Position newPosition = new Position(setPosition.getX() + 0.5f, setPosition.getY());
-			
+			Position newPosition = new Position(setPosition.getX() + 0.5f,
+					setPosition.getY());
+
 			if (leftSet == null) {
 				drop(rightSet, newPosition);
 			} else if (rightSet == null) {
@@ -94,6 +96,8 @@ public class Table extends StoneTray<StoneSet> implements ITable {
 				drop(leftSet.join(rightSet), newPosition);
 			}
 		}
+
+		return new Pair<StoneSet, StoneSet>(leftSet, rightSet);
 	}
 
 	/** Tests the Table for rule conflicts by checking all the {@link StoneSet} */
-- 
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