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/* This file is part of the KDE project
*
* Copyright (c) 2007 Cyrille Berger <cberger@cberger.net>
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _KO_GENERIC_REGISTRY_MODEL_H_
#define _KO_GENERIC_REGISTRY_MODEL_H_
#include <QAbstractListModel>
#include "KoGenericRegistry.h"
/**
* This is a model that you can use to display the content of a registry.
*
* @param T is the type of the data in the registry
*/
template<typename T>
class KoGenericRegistryModel : public QAbstractListModel
{
public:
KoGenericRegistryModel(KoGenericRegistry<T>* registry);
virtual ~KoGenericRegistryModel();
public:
/**
* @return the number of elements in the registry
*/
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
/**
* When role == Qt::DisplayRole, this function will return the name of the
* element.
*/
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
/**
* @return the element at the given index
*/
T get(const QModelIndex &index) const;
private:
KoGenericRegistry<T>* m_registry;
};
// -- Implementation --
template<typename T>
KoGenericRegistryModel<T>::KoGenericRegistryModel(KoGenericRegistry<T>* registry) : m_registry(registry)
{
}
template<typename T>
KoGenericRegistryModel<T>::~KoGenericRegistryModel()
{
}
template<typename T>
int KoGenericRegistryModel<T>::rowCount(const QModelIndex &/*parent*/) const
{
return m_registry->keys().size();
}
template<typename T>
QVariant KoGenericRegistryModel<T>::data(const QModelIndex &index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
if (role == Qt::DisplayRole || role == Qt::EditRole) {
return QVariant(get(index)->name());
}
return QVariant();
}
template<typename T>
T KoGenericRegistryModel<T>::get(const QModelIndex &index) const
{
return m_registry->get(m_registry->keys()[index.row()]);
}
#endif
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