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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef ABSTRACTLIVEEDITTOOL_H
#define ABSTRACTLIVEEDITTOOL_H
#include <QtCore/QList>
#include <QtCore/QObject>
QT_BEGIN_NAMESPACE
class QMouseEvent;
class QGraphicsItem;
class QDeclarativeItem;
class QKeyEvent;
class QGraphicsScene;
class QGraphicsObject;
class QWheelEvent;
class QDeclarativeView;
QT_END_NAMESPACE
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QDeclarativeViewObserver;
class AbstractLiveEditTool : public QObject
{
Q_OBJECT
public:
AbstractLiveEditTool(QDeclarativeViewObserver *observer);
virtual ~AbstractLiveEditTool();
virtual void mousePressEvent(QMouseEvent *event) = 0;
virtual void mouseMoveEvent(QMouseEvent *event) = 0;
virtual void mouseReleaseEvent(QMouseEvent *event) = 0;
virtual void mouseDoubleClickEvent(QMouseEvent *event) = 0;
virtual void hoverMoveEvent(QMouseEvent *event) = 0;
virtual void wheelEvent(QWheelEvent *event) = 0;
virtual void keyPressEvent(QKeyEvent *event) = 0;
virtual void keyReleaseEvent(QKeyEvent *keyEvent) = 0;
virtual void itemsAboutToRemoved(const QList<QGraphicsItem*> &itemList) = 0;
virtual void clear() = 0;
void updateSelectedItems();
QList<QGraphicsItem*> items() const;
void enterContext(QGraphicsItem *itemToEnter);
bool topItemIsMovable(const QList<QGraphicsItem*> &itemList);
bool topItemIsResizeHandle(const QList<QGraphicsItem*> &itemList);
bool topSelectedItemIsMovable(const QList<QGraphicsItem*> &itemList);
QString titleForItem(QGraphicsItem *item);
static QList<QGraphicsObject*> toGraphicsObjectList(const QList<QGraphicsItem*> &itemList);
static QGraphicsItem* topMovableGraphicsItem(const QList<QGraphicsItem*> &itemList);
static QDeclarativeItem* topMovableDeclarativeItem(const QList<QGraphicsItem*> &itemList);
static QDeclarativeItem *toQDeclarativeItem(QGraphicsItem *item);
protected:
virtual void selectedItemsChanged(const QList<QGraphicsItem*> &objectList) = 0;
QDeclarativeViewObserver *observer() const;
QDeclarativeView *view() const;
QGraphicsScene *scene() const;
private:
QDeclarativeViewObserver *m_observer;
QList<QGraphicsItem*> m_itemList;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // ABSTRACTLIVEEDITTOOL_H
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