qaiv.h

/******************************************************************************
** This file is part of qadvanceditemviews.
**
** Copyright (c) 2011-2013 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 QAVI_H
#define QAVI_H

#include <qaivlib_global.h>

#include <QAbstractProxyModel>

class QAIVLIBSHARED_EXPORT QAdvancedItemViews
{
public:
    QAdvancedItemViews();
    enum FilterProxyMode {
        FilterMode,
        HighlightMode
    };
    enum FilterMatchMode {
        MatchNormal, /*<! The filter matches if the condition is fullfilled */
        MatchInverted /*<! The filter matches if the condition is not fullfilled */
    };
    enum ItemDataRole {
                AutoFilterRole = Qt::UserRole + 42101,
        ValueFilterTypeRole,
        DefaultFilterTypeRole,
        ColumnFilterTypesRole,
        ConditionalDecorationRole,
                SelectionListFilterDataRole,
                SelectionFilterRole,
                ValueRole,
        IconSetsRole
    };

};

QAIVLIBSHARED_EXPORT QModelIndex qSourceIndex(const QModelIndex & index);
QAIVLIBSHARED_EXPORT const QAbstractItemModel* qSourceModel(const QModelIndex & index);
QAIVLIBSHARED_EXPORT QAbstractItemModel* qSourceModel(QAbstractItemModel* model);

template <class T>
inline T qsourcemodel_cast(const QModelIndex & index)
{
        QModelIndex i(index);
        T s = qobject_cast<T>(i.model());
        if (s){
                return s;
        }
        QAbstractProxyModel* p;
        while((p = qobject_cast<QAbstractProxyModel*>((QAbstractProxyModel*)i.model()))){
                T s = qobject_cast<T>(p);
                if (s){
                        return s;
                }
        i = p->mapToSource(i);
    }
        return 0;
}

template <class T> inline T qsourcemodel_cast(QAbstractItemModel* model)
{
        QAbstractItemModel* m = model;
        T s = qobject_cast<T>(m);
        if (s){
                return s;
        }
        QAbstractProxyModel* p;
        while((p = qobject_cast<QAbstractProxyModel*>(m))){
                T s = qobject_cast<T>(p->sourceModel());
                if (s){
                        return s;
                }
        m = p->sourceModel();
    }
        return 0;
}

template <class T>
inline T qsourcemodel_cast(const QAbstractItemModel* model)
{
        const QAbstractItemModel* m = model;
        T s = qobject_cast<T>(m);
        if (s){
                return s;
        }
        QAbstractProxyModel* p;
        while((p = qobject_cast<QAbstractProxyModel*>(m))){
                T s = qobject_cast<T>(p->sourceModel());
                if (s){
                        return s;
                }
        m = p->sourceModel();
    }
        return 0;
}

#endif // QADVANCEDITEMVIEWS_H