qconditionaldecoration.h

/******************************************************************************
** This file is part of qadvanceditemviews.
**
** Copyright (c) 2011-2012 Martin Hoppe martin@2x2hoppe.de
**
** qadvanceditemviews is free software: you can redistribute it
** and/or modify it under the terms of the GNU Lesser General
** Public License as published by the Free Software Foundation,
** either version 3 of the License, or (at your option) any
** later version.
**
** qadvanceditemviews 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 Lesser General Public
** License along with qadvanceditemviews.
** If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#ifndef QCONDITONALDECORATION_H
#define QCONDITONALDECORATION_H

#include <qabstractmodelitemdecoration.h>

#include "qaivlib_global.h"

class QConditionalDecorationProxyModel;
class QAIVLIBSHARED_EXPORT QConditionalDecoration : public QAbstractItemModelDecoration
{
public:
    enum MatchFlag {
        MatchFlagInvalid = -1, 
        Contains = 1, 
        ContainsNot, 
        EndsWith, 
        EndsNotWith, 
        IsBetween, 
        IsEmpty, 
        IsEqual, 
        IsGreater, 
        IsGreaterOrEqual, 
        IsLessOrEqual, 
        IsLess, 
        IsNotBetween, 
        IsNotEmpty, 
        IsNotEqual, 
        StartsWith, 
        StartsNotWith 
    };
    QConditionalDecoration();
    QConditionalDecoration(int column);
    void addCondition( QConditionalDecoration::MatchFlag matchFlag, const QVariant & value, const QString & set, const QString & name);
    QConditionalDecoration::MatchFlag matchFlag(int index) const;
    int count() const;
    QVariant decorate(const QModelIndex & index, int role = Qt::DecorationRole) const;
    QString iconName(int index) const;

    bool matches(const QModelIndex & index, const QVariantMap & properties) const;
    QVariantMap properties(int index) const;
    void setHighlightRole(int role);

    void setDefaultDecoration(const QString & set, const QString & name);
    QVariant value(int index) const;
private:
    bool equal(const QVariant & left, const QVariant & right) const;
    bool greaterOrEqualThan(const QVariant & left, const QVariant & right) const;
    bool greaterThan(const QVariant & left, const QVariant & right) const;
    bool lessOrEqualThan(const QVariant & left, const QVariant & right) const;
    bool lessThan(const QVariant & left, const QVariant & right) const;
};

#endif // QCONDITONALDECORATION_H