/****************************************************************************

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****************************************************************************/

#ifndef SPREADSHEET_H

#define SPREADSHEET_H

#include <QMainWindow>

QT_BEGIN_NAMESPACE

class QAction;

class QLabel;

class QLineEdit;

class QToolBar;

class QTableWidgetItem;

class QTableWidget;

QT_END_NAMESPACE

class SpreadSheet : public QMainWindow

{

    Q_OBJECT

public:

    SpreadSheet(int rows, int cols, QWidget *parent = 0);

public slots:

    void updateStatus(QTableWidgetItem *item);

    void updateColor(QTableWidgetItem *item);

    void updateLineEdit(QTableWidgetItem *item);

    void returnPressed();

    void selectColor();

    void selectFont();

    void clear();

    void showAbout();

    void print();

    void actionSum();

    void actionSubtract();

    void actionAdd();

    void actionMultiply();

    void actionDivide();  

protected:

    void setupContextMenu();

    void setupContents();

    void setupMenuBar();

    void createActions();

    void actionMath_helper(const QString &title, const QString &op);

    bool runInputDialog(const QString &title,

                        const QString &c1Text,

                        const QString &c2Text,

                        const QString &opText,

                        const QString &outText,

                        QString *cell1, QString *cell2, QString *outCell);

private:

    QToolBar *toolBar;

    QAction *colorAction;

    QAction *fontAction;

    QAction *firstSeparator;

    QAction *cell_sumAction;

    QAction *cell_addAction;

    QAction *cell_subAction;

    QAction *cell_mulAction;

    QAction *cell_divAction;

    QAction *secondSeparator;

    QAction *clearAction;

    QAction *aboutSpreadSheet;

    QAction *exitAction;

    QAction *printAction;

    QLabel *cellLabel;

    QTableWidget *table;

    QLineEdit *formulaInput;

};

void decode_pos(const QString &pos, int *row, int *col);

QString encode_pos(int row, int col);

#endif // SPREADSHEET_H