/*
 * Copyright 2008 Ben Boeckel <MathStuf@gmail.com>
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef SIGMODR_FRACTIONWIDGET
#define SIGMODR_FRACTIONWIDGET

// Sigcore includes
#include "../sigcore/Fraction.h"

// Qt includes
#include <QtGui/QWidget>

// Form include
#include "ui_fraction.h"

namespace Sigmodr
{
class FractionWidget : public QWidget, private Ui::formFraction
{
    Q_OBJECT
    Q_PROPERTY(Behavior behavior READ behavior WRITE setBehavior)
    Q_ENUMS(Behavior)
    
    public:
        enum Behavior
        {
            NonZero = 0,
            Proper = 1,
            AnyButZero = 2,
            Any = 3,
            Improper = 4
        };
        
        explicit FractionWidget(QWidget* parent, const Sigcore::Fraction& value = Sigcore::Fraction(1, 1));
        
        Behavior behavior() const;
        Sigcore::Fraction value() const;
    public slots:
        void setBehavior(const Behavior behavior);
        void setValue(const Sigcore::Fraction& value);
        
        void updateValue();
    signals:
        void valueChanged(const Sigcore::Fraction&);
        void behaviorChanged(const Behavior);
    protected slots:
        void on_varNumerator_valueChanged(const int numerator);
        void on_varDenominator_valueChanged(const int denominator);
        
        void resetRanges();
    private:
        Behavior m_behavior;
        Sigcore::Fraction m_value;
};
}

#endif