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/*
* Copyright 2014-2015 Canonical Ltd.
*
* This file is part of morph-browser.
*
* morph-browser 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; version 3.
*
* morph-browser 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 __LIMIT_PROXY_MODEL_H__
#define __LIMIT_PROXY_MODEL_H__
// Qt
#include <QtCore/QIdentityProxyModel>
class LimitProxyModel : public QIdentityProxyModel
{
Q_OBJECT
Q_PROPERTY(QObject* sourceModel READ sourceModel WRITE setSourceModel NOTIFY sourceModelChanged)
Q_PROPERTY(int limit READ limit WRITE setLimit NOTIFY limitChanged)
Q_PROPERTY(int count READ rowCount NOTIFY countChanged)
Q_PROPERTY(int unlimitedCount READ unlimitedRowCount NOTIFY unlimitedCountChanged)
public:
LimitProxyModel(QObject* parent=0);
QAbstractItemModel* sourceModel() const;
void setSourceModel(QObject* sourceModel);
int limit() const;
void setLimit(int limit);
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int unlimitedRowCount(const QModelIndex &parent = QModelIndex()) const;
Q_INVOKABLE QVariantMap get(int index) const;
Q_SIGNALS:
void sourceModelChanged() const;
void limitChanged() const;
void unlimitedCountChanged();
void countChanged();
private Q_SLOTS:
void sourceRowsAboutToBeInserted(const QModelIndex &parent, int start, int
end);
void sourceRowsAboutToBeRemoved(const QModelIndex &parent, int start, int
end);
void sourceRowsInserted(const QModelIndex &parent, int start, int end);
void sourceRowsRemoved(const QModelIndex &parent, int start, int end);
private:
int m_limit;
bool m_sourceInserting;
bool m_sourceRemoving;
int m_dataChangedBegin;
int m_dataChangedEnd;
};
#endif // __LIMIT_PROXY_MODEL_H__
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