1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/minesweeper/src/main/java/org/apidesign/demo/minesweeper/MinesModel.java	Fri Feb 07 14:47:07 2014 +0100
     1.3 @@ -0,0 +1,126 @@
     1.4 +/**
     1.5 + * The MIT License (MIT)
     1.6 + *
     1.7 + * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.8 + *
     1.9 + * Permission is hereby granted, free of charge, to any person obtaining a copy
    1.10 + * of this software and associated documentation files (the "Software"), to deal
    1.11 + * in the Software without restriction, including without limitation the rights
    1.12 + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    1.13 + * copies of the Software, and to permit persons to whom the Software is
    1.14 + * furnished to do so, subject to the following conditions:
    1.15 + *
    1.16 + * The above copyright notice and this permission notice shall be included in
    1.17 + * all copies or substantial portions of the Software.
    1.18 + *
    1.19 + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    1.20 + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    1.21 + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    1.22 + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    1.23 + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    1.24 + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    1.25 + * THE SOFTWARE.
    1.26 + */
    1.27 +package org.apidesign.demo.minesweeper;
    1.28 +
    1.29 +import java.util.ArrayList;
    1.30 +import java.util.List;
    1.31 +import java.util.Random;
    1.32 +import net.java.html.json.ComputedProperty;
    1.33 +import net.java.html.json.Function;
    1.34 +import net.java.html.json.Model;
    1.35 +import net.java.html.json.ModelOperation;
    1.36 +import net.java.html.json.Property;
    1.37 +
    1.38 +/** Model of the mine field.
    1.39 + */
    1.40 +@Model(className = "Mines", properties = {
    1.41 +    @Property(name = "state", type = MinesModel.GameState.class),
    1.42 +    @Property(name = "rows", type = Row.class, array = true),
    1.43 +})
    1.44 +final class MinesModel {
    1.45 +    enum GameState {
    1.46 +        IN_PROGRESS, WON, LOST;
    1.47 +    }
    1.48 +    
    1.49 +    @Model(className = "Row", properties = {
    1.50 +        @Property(name = "columns", type = Square.class, array = true)
    1.51 +    })
    1.52 +    static class RowModel {
    1.53 +    }
    1.54 +
    1.55 +    @Model(className = "Square", properties = {
    1.56 +        @Property(name = "state", type = SquareType.class),
    1.57 +        @Property(name = "mine", type = boolean.class)
    1.58 +    })
    1.59 +    static class SquareModel {
    1.60 +        @ComputedProperty static String text(SquareType state) {
    1.61 +            if (state == null) return " ";
    1.62 +            switch (state) {
    1.63 +                case MINE: return "B";
    1.64 +                case UNKNOWN: return "?";
    1.65 +                case N_0: return " ";
    1.66 +            }
    1.67 +            return "" + state.ordinal();
    1.68 +        }
    1.69 +    }
    1.70 +    
    1.71 +    enum SquareType {
    1.72 +        N_0, N_1, N_2, N_3, N_4, N_5, N_6, N_7, N_8,
    1.73 +        UNKNOWN, MINE
    1.74 +    }
    1.75 +    
    1.76 +    @ModelOperation static void init(Mines model, int width, int height, int mines) {
    1.77 +        List<Row> rows = new ArrayList<Row>(height);
    1.78 +        for (int y = 0; y < height; y++) {
    1.79 +            Square[] columns = new Square[width];
    1.80 +            for (int x = 0; x < width; x++) {
    1.81 +                columns[x] = new Square(SquareType.UNKNOWN, false);
    1.82 +            }
    1.83 +            rows.add(new Row(columns));
    1.84 +        }
    1.85 +        
    1.86 +        Random r = new Random();
    1.87 +        while (mines > 0) {
    1.88 +            int x = r.nextInt(width);
    1.89 +            int y = r.nextInt(height);
    1.90 +            final Square s = rows.get(y).getColumns().get(x);
    1.91 +            if (s.isMine()) {
    1.92 +                continue;
    1.93 +            }
    1.94 +            s.setMine(true);
    1.95 +            mines--;
    1.96 +        }
    1.97 +
    1.98 +        model.setState(GameState.IN_PROGRESS);
    1.99 +        model.getRows().clear();
   1.100 +        model.getRows().addAll(rows);
   1.101 +    }
   1.102 +    
   1.103 +    static void showAllBombs(Mines model) {
   1.104 +        for (Row row : model.getRows()) {
   1.105 +            for (Square square : row.getColumns()) {
   1.106 +                if (square.isMine()) {
   1.107 +                    square.setState(SquareType.MINE);
   1.108 +                }
   1.109 +            }
   1.110 +        }
   1.111 +    }
   1.112 +    
   1.113 +    @Function static void click(Mines model, Square data) {
   1.114 +        if (model.getState() != GameState.IN_PROGRESS) {
   1.115 +            return;
   1.116 +        }
   1.117 +        
   1.118 +        switch (data.getState()) {
   1.119 +            case UNKNOWN: 
   1.120 +                if (data.isMine()) {
   1.121 +                    showAllBombs(model);
   1.122 +                    model.setState(GameState.LOST);
   1.123 +                } else {
   1.124 +                    data.setState(SquareType.N_0);
   1.125 +                }
   1.126 +            break;
   1.127 +        }
   1.128 +    }
   1.129 +}