/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef LISTITEMCONTAINER_H
#define LISTITEMCONTAINER_H

#include <QGraphicsWidget>
#include <QColor>

#include "abstractitemcontainer.h"

class QGraphicsLinearLayout;
class AbstractViewItem;
class ListItemCache;
class ListItem;
class ItemRecyclingList;

class ListItemContainer : public AbstractItemContainer
{
    Q_OBJECT

public:
    ListItemContainer(int bufferSize, ItemRecyclingList *view, QGraphicsWidget *parent=0);
    virtual ~ListItemContainer();

    virtual void setTwoColumns(const bool twoColumns);

    bool listItemCaching() const;
    void setListItemCaching(const bool enabled);
    virtual void setListItemCaching(const bool enabled, const int index);

protected:

   virtual void addItemToVisibleLayout(int index, AbstractViewItem *item);
   virtual void removeItemFromVisibleLayout(AbstractViewItem *item);

   virtual void adjustVisibleContainerSize(const QSizeF &size);
   virtual int maxItemCountInItemBuffer() const;

private:
    Q_DISABLE_COPY(ListItemContainer)

    ItemRecyclingList *m_view;
    QGraphicsLinearLayout *m_layout;

    void setListItemCaching(const bool enabled, ListItem *listItem);
    bool m_listItemCaching;
};

#endif // LISTITEMCONTAINER_H