/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* JBoss, the OpenSource J2EE webOS
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package org.drools.examples.sudoku.swing;
import java.util.Set;
/**
* An interface representing a 9x9 Sudoku Grid of Cells.
* <p>
* In a solved Sodoku grid, each cell must contain an
* integer from 1-9 and the same integer must not be
* repeated in the same row, in the same column or in
* the same 3x3 subsection of the grid.
*
* @see SudokuGridListener
* @see SudokuGridEvent
* @see SudokuGridView
* @see AbstractSudokuGridModel
* @author <a href="pbennett@redhat.com">Pete Bennett</a>
* @version $Revision: 1.1 $
*/
public interface SudokuGridModel
{
/**
* The number of rows in the Grid, i.e. the height
*/
public static int NUM_ROWS = 9;
/**
* The number of columns in the Grid, i.e. the width
*/
public static int NUM_COLS = 9;
/**
* The number of colums that make up a zone within the Grid
*/
public static int INNER_GRID_WIDTH = 3;
/**
* The number of rows that make up a zone within the Grid
*/
public static int INNER_GRID_HEIGHT = 3;
/**
* A NUM_ROWSxNUM_COLS two dimensional array which maps from rows and columns
* to the 3x3 subzones in a Sudoku grid
*/
public static int[][] ZONE_LOOKUP =
{ { 1 , 1 , 1 , 2 , 2 , 2 , 3 , 3 , 3},
{ 1 , 1 , 1 , 2 , 2 , 2 , 3 , 3 , 3},
{ 1 , 1 , 1 , 2 , 2 , 2 , 3 , 3 , 3},
{ 4 , 4 , 4 , 5 , 5 , 5 , 6 , 6 , 6},
{ 4 , 4 , 4 , 5 , 5 , 5 , 6 , 6 , 6},
{ 4 , 4 , 4 , 5 , 5 , 5 , 6 , 6 , 6},
{ 7 , 7 , 7 , 8 , 8 , 8 , 9 , 9 , 9},
{ 7 , 7 , 7 , 8 , 8 , 8 , 9 , 9 , 9},
{ 7 , 7 , 7 , 8 , 8 , 8 , 9 , 9 , 9} };
public void setCellValues(Integer[][] cellValues);
public boolean isCellEditable(int row, int col);
public boolean isCellResolved(int row, int col);
public Set<Integer> getPossibleCellValues(int row, int col);
public boolean solve();
public boolean isGridSolved();
public void addSudokuGridListener(SudokuGridListener l);
public void removeSudokuGridListener(SudokuGridListener l);
}