/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the demonstration applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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#include <qdeclarative.h>+
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+
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class TileData : public QObject+
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{+
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    Q_OBJECT+
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public:+
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    TileData() : _hasFlag(false), _hasMine(false), _hint(-1), _flipped(false) {}+
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+
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    Q_PROPERTY(bool hasFlag READ hasFlag WRITE setHasFlag NOTIFY hasFlagChanged)+
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    bool hasFlag() const { return _hasFlag; }+
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+
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    Q_PROPERTY(bool hasMine READ hasMine NOTIFY hasMineChanged)+
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    bool hasMine() const { return _hasMine; }+
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+
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    Q_PROPERTY(int hint READ hint NOTIFY hintChanged)+
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    int hint() const { return _hint; }+
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+
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    Q_PROPERTY(bool flipped READ flipped NOTIFY flippedChanged())+
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    bool flipped() const { return _flipped; }+
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+
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    void setHasFlag(bool flag) {if(flag==_hasFlag) return; _hasFlag = flag; emit hasFlagChanged();}+
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    void setHasMine(bool mine) {if(mine==_hasMine) return; _hasMine = mine; emit hasMineChanged();}+
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    void setHint(int hint) { if(hint == _hint) return; _hint = hint; emit hintChanged(); }+
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    void flip() { if (_flipped) return; _flipped = true; emit flippedChanged(); }+
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    void unflip() { if(!_flipped) return; _flipped = false; emit flippedChanged(); }+
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+
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signals:+
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    void flippedChanged();+
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    void hasFlagChanged();+
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    void hintChanged();+
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    void hasMineChanged();+
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+
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private:+
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    bool _hasFlag;+
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    bool _hasMine;+
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    int _hint;+
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    bool _flipped;+
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};+
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+
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class MinehuntGame : public QObject+
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{+
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    Q_OBJECT+
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public:+
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    MinehuntGame();+
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+
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    Q_PROPERTY(QDeclarativeListProperty<TileData> tiles READ tiles CONSTANT)+
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    QDeclarativeListProperty<TileData> tiles();+
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+
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    Q_PROPERTY(bool isPlaying READ isPlaying NOTIFY isPlayingChanged)+
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    bool isPlaying() {return playing;}+
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+
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    Q_PROPERTY(bool hasWon READ hasWon NOTIFY hasWonChanged)+
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    bool hasWon() {return won;}+
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+
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    Q_PROPERTY(int numMines READ numMines NOTIFY numMinesChanged)+
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    int numMines() const{return nMines;}+
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+
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    Q_PROPERTY(int numFlags READ numFlags NOTIFY numFlagsChanged)+
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    int numFlags() const{return nFlags;}+
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+
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public slots:+
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    Q_INVOKABLE bool flip(int row, int col);+
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    Q_INVOKABLE bool flag(int row, int col);+
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    void setBoard();+
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    void reset();+
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+
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signals:+
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    void isPlayingChanged();+
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    void hasWonChanged();+
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    void numMinesChanged();+
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    void numFlagsChanged();+
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+
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private:+
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    bool onBoard( int r, int c ) const { return r >= 0 && r < numRows && c >= 0 && c < numCols; }+
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    TileData *tile( int row, int col ) { return onBoard(row, col) ? _tiles[col+numRows*row] : 0; }+
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    int getHint(int row, int col);+
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    void setPlaying(bool b){if(b==playing) return; playing=b; emit isPlayingChanged();}+
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+
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    QList<TileData *> _tiles;+
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    int numCols;+
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    int numRows;+
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    bool playing;+
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    bool won;+
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    int remaining;+
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    int nMines;+
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    int nFlags;+
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};+
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