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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef ABSTRACTNODEINSTANCE_H
#define ABSTRACTNODEINSTANCE_H
#include <QPainter>
#include <QStyleOptionGraphicsItem>
#include "modelnode.h"
#include <QSharedPointer>
#include <QScopedPointer>
#include <QWeakPointer>
#include <propertymetainfo.h>
#include <nodeinstanceview.h>
#include "nodeinstancemetaobject.h"
#include "nodeinstancesignalspy.h"
QT_BEGIN_NAMESPACE
class QGraphicsItem;
class QDeclarativeContext;
class QDeclarativeEngine;
class QDeclarativeProperty;
class QDeclarativeContext;
class QDeclarativeBinding;
QT_END_NAMESPACE
namespace QmlDesigner {
namespace Internal {
class QmlGraphicsItemNodeInstance;
class GraphicsWidgetNodeInstance;
class GraphicsViewNodeInstance;
class GraphicsSceneNodeInstance;
class ProxyWidgetNodeInstance;
class WidgetNodeInstance;
class QDeclarativeViewNodeInstance;
class ChildrenChangeEventFilter : public QObject
{
Q_OBJECT
public:
ChildrenChangeEventFilter(QObject *parent);
signals:
void childrenChanged(QObject *object);
protected:
bool eventFilter(QObject *object, QEvent *event);
};
class ObjectNodeInstance
{
public:
typedef QSharedPointer<ObjectNodeInstance> Pointer;
typedef QWeakPointer<ObjectNodeInstance> WeakPointer;
ObjectNodeInstance(QObject *object);
virtual ~ObjectNodeInstance();
void destroy();
//void setModelNode(const ModelNode &node);
static Pointer create(const NodeMetaInfo &metaInfo, QDeclarativeContext *context, QObject *objectToBeWrapped);
ModelNode modelNode() const;
void setModelNode(const ModelNode &node);
NodeInstanceView *nodeInstanceView() const;
void setNodeInstanceView(NodeInstanceView *view);
virtual void initializePropertyWatcher(const Pointer &objectNodeInstance);
virtual void paint(QPainter *painter) const;
virtual bool isTopLevel() const;
virtual QObject *parent() const;
virtual void reparent(const NodeInstance &oldParentInstance, const QString &oldParentProperty, const NodeInstance &newParentInstance, const QString &newParentProperty);
void setId(const QString &id);
QString id() const;
virtual bool isQmlGraphicsItem() const;
virtual bool isGraphicsScene() const;
virtual bool isGraphicsView() const;
virtual bool isGraphicsWidget() const;
virtual bool isProxyWidget() const;
virtual bool isWidget() const;
virtual bool isQDeclarativeView() const;
virtual bool isGraphicsObject() const;
virtual bool isTransition() const;
virtual bool isPositioner() const;
virtual bool equalGraphicsItem(QGraphicsItem *item) const;
virtual QRectF boundingRect() const;
virtual QPointF position() const;
virtual QSizeF size() const;
virtual QTransform transform() const;
virtual QTransform customTransform() const;
virtual QTransform sceneTransform() const;
virtual double opacity() const;
virtual int penWidth() const;
virtual bool hasAnchor(const QString &name) const;
virtual QPair<QString, NodeInstance> anchor(const QString &name) const;
virtual bool isAnchoredBySibling() const;
virtual bool isAnchoredByChildren() const;
virtual double rotation() const;
virtual double scale() const;
virtual QList<QGraphicsTransform *> transformations() const;
virtual QPointF transformOriginPoint() const;
virtual double zValue() const;
virtual void setPropertyVariant(const QString &name, const QVariant &value);
virtual void setPropertyBinding(const QString &name, const QString &expression);
virtual QVariant property(const QString &name) const;
virtual void resetProperty(const QString &name);
virtual void refreshProperty(const QString &name);
virtual QString instanceType(const QString &name) const;
void createDynamicProperty(const QString &name, const QString &typeName);
void setDeleteHeldInstance(bool deleteInstance);
bool deleteHeldInstance() const;
virtual void updateAnchors();
virtual void paintUpdate();
virtual void activateState();
virtual void deactivateState();
void populateResetValueHash();
QVariant resetValue(const QString &propertyName) const;
QObject *object() const;
virtual bool hasContent() const;
virtual bool isResizable() const;
virtual bool isMovable() const;
bool isInPositioner() const;
void setInPositioner(bool isInPositioner);
bool hasBindingForProperty(const QString &name) const;
QDeclarativeContext *context() const;
QDeclarativeEngine *engine() const;
virtual bool updateStateVariant(const NodeInstance &target, const QString &propertyName, const QVariant &value);
virtual bool updateStateBinding(const NodeInstance &target, const QString &propertyName, const QString &expression);
virtual bool resetStateProperty(const NodeInstance &target, const QString &propertyName, const QVariant &resetValue);
static void tweakObjects(QObject *object);
NodeInstance nodeInstanceParentForObject(QObject *currentObject) const;
virtual void doComponentComplete();
protected:
static QObject *createInstance(const NodeMetaInfo &metaInfo, QDeclarativeContext *parentContext);
static QObject* createObject(const NodeMetaInfo &metaInfo, QDeclarativeContext *context);
void doResetProperty(const QString &propertyName);
NodeInstance instanceForNode(const ModelNode &node, const QString &fullname);
void removeFromOldProperty(QObject *object, QObject *oldParent, const QString &oldParentProperty);
void addToNewProperty(QObject *object, QObject *newParent, const QString &newParentProperty);
void deleteObjectsInList(const QDeclarativeProperty &metaProperty);
private:
static void refreshBindings(QDeclarativeContext *context);
QHash<QString, QVariant> m_resetValueHash;
QHash<QString, NodeInstance> m_modelAbstractPropertyHash;
ModelNode m_modelNode;
QString m_id;
QWeakPointer<NodeInstanceView> m_nodeInstanceView;
bool m_deleteHeldInstance;
QWeakPointer<QObject> m_object;
NodeInstanceMetaObject *m_metaObject;
NodeInstanceSignalSpy m_signalSpy;
bool m_isInPositioner;
};
} // namespace Internal
} // namespace QmlDesigner
#endif // ABSTRACTNODEINSTANCE_H
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