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81 lines
2.7 KiB
Java
81 lines
2.7 KiB
Java
// Class: NQueensLab
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//
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// Author: Alyce Brady
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//
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// License Information:
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// This class is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation.
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//
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// This class is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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import java.awt.Color;
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import javax.swing.JMenu;
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import javax.swing.JOptionPane;
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import edu.kzoo.grid.display.ColorBlockDisplay;
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import edu.kzoo.grid.display.DisplayMap;
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import edu.kzoo.grid.gui.GridAppFrame;
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import edu.kzoo.grid.gui.nuggets.BasicHelpMenu;
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import edu.kzoo.grid.gui.nuggets.MinimalFileMenu;
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/**
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* Environment-Based Applications:<br>
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*
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* The NQueensLab class implements the N Queens problem.
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*
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* @author Alyce Brady
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* @version 1 September 2002
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**/
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public class NQueensLab
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{
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// Specify dimensions of grid display and individual cell size.
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private static final int DISPLAY_WIDTH = 400;
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private static final int DISPLAY_HEIGHT = 400;
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private static final int MIN_CELL_SIZE = 20;
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// Specify the grid's background color and highlight color.
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private static final Color BACKGROUND_COLOR = new Color(0, 155, 255);
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private static final Color HIGHLIGHT_COLOR = Color.red;
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/**
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* Starts the N Queens program.
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* The String arguments (args) are not used in this application.
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**/
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public static void main(String[] args)
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{
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String sizeString = JOptionPane.showInputDialog("How large would you like the board to be?", 8);
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int size = Integer.parseInt(sizeString);
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// Construct the object for solving the N Queens problem and
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// a window to display it in.
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GridAppFrame display = new GridAppFrame();
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display.includeMenu(new MinimalFileMenu());
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JMenu helpMenu = new BasicHelpMenu("NQueens",
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"Your Name Here",
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"with assistance from (whom? e.g., Alyce Brady)",
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"1 September 2004", "file:NQueensHelp.html");
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display.includeMenu(helpMenu);
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display.includeSpeedSlider();
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display.constructWindowContents("N Queens Problem", BACKGROUND_COLOR,
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DISPLAY_WIDTH, DISPLAY_HEIGHT, MIN_CELL_SIZE);
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Queen.setQueenColor(HIGHLIGHT_COLOR);
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NQueens queens = new NQueens(size, display);
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// Specify how to display objects in the grid.
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DisplayMap.associate("Queen", new ColorBlockDisplay());
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// OR, DisplayMap.associate("Queen", new ScaledImageDisplay("GoldCrown.gif"));
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// Solve the N Queens Problem.
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queens.solve();
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}
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}
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