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/****************************************************************************
**
** 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 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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