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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef ABSTRACTITEMVIEW_H
#define ABSTRACTITEMVIEW_H
#include <QAbstractItemModel>
#include <QGraphicsSceneResizeEvent>
#include <QPersistentModelIndex>
#include <QItemSelection>
#include "listitemcontainer.h"
#include "abstractscrollarea.h"
#include "scroller.h"
class QItemSelectionModel;
class AbstractItemView : public AbstractScrollArea
{
Q_OBJECT
public:
AbstractItemView(QGraphicsWidget *parent = 0);
virtual ~AbstractItemView();
virtual void setContainer(AbstractItemContainer *container);
virtual void setModel(QAbstractItemModel *model, AbstractViewItem *prototype);
virtual QAbstractItemModel* model() const;
virtual void setItemPrototype(AbstractViewItem* prototype);
void setSelectionModel(QItemSelectionModel *smodel);
virtual QModelIndex nextIndex(const QModelIndex &index) const;
virtual QModelIndex previousIndex(const QModelIndex &index) const;
virtual int indexCount() const;
void refreshContainerGeometry(); // TODO Can this be moved to scroll area?
void updateViewContent();
virtual void scrollContentsBy(qreal dx, qreal dy);
virtual bool listItemCaching() const = 0;
virtual void setListItemCaching(bool enabled) = 0;
protected:
virtual bool event(QEvent *e);
void changeTheme();
public slots:
virtual void setRootIndex(const QModelIndex &index);
void setCurrentIndex(const QModelIndex &index,
QItemSelectionModel::SelectionFlags selectionFlag = QItemSelectionModel::NoUpdate);
protected slots:
virtual void currentIndexChanged(const QModelIndex ¤t, const QModelIndex &previous);
virtual void currentSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
virtual void rowsAboutToBeInserted(const QModelIndex &index, int start, int end);
virtual void rowsInserted(const QModelIndex &parent, int start, int end);
virtual void rowsAboutToBeRemoved(const QModelIndex &index,int start, int end);
virtual void rowsRemoved(const QModelIndex &parent,int start, int end);
virtual void modelDestroyed();
virtual void layoutChanged();
virtual void reset();
protected:
QAbstractItemModel *m_model;
QPersistentModelIndex m_rootIndex;
AbstractItemContainer *m_container;
QItemSelectionModel *m_selectionModel;
QPersistentModelIndex m_currentIndex;
private:
Q_DISABLE_COPY(AbstractItemView)
Scroller m_scroller;
};
#endif // ABSTRACTITEMVIEW_H
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