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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 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 NODEINSTANCEVIEW_H
#define NODEINSTANCEVIEW_H
#include "corelib_global.h"
#include "abstractview.h"
#include <modelnode.h>
#include <nodeinstance.h>
#include <QHash>
#include <QWeakPointer>
QT_BEGIN_NAMESPACE
class QDeclarativeEngine;
class QGraphicsView;
class QFileSystemWatcher;
QT_END_NAMESPACE
namespace QmlDesigner {
namespace Internal {
class ChildrenChangeEventFilter;
class QmlStateNodeInstance;
}
class CORESHARED_EXPORT NodeInstanceView : public AbstractView
{
Q_OBJECT
friend class NodeInstance;
friend class Internal::ObjectNodeInstance;
friend class Internal::QmlStateNodeInstance;
public:
typedef QWeakPointer<NodeInstanceView> Pointer;
typedef QPair<QWeakPointer<QObject>, QString> ObjectPropertyPair;
NodeInstanceView(QObject *parent = 0);
~NodeInstanceView();
void modelAttached(Model *model);
void modelAboutToBeDetached(Model *model);
void nodeCreated(const ModelNode &createdNode);
void nodeAboutToBeRemoved(const ModelNode &removedNode);
void nodeRemoved(const ModelNode &removedNode, const NodeAbstractProperty &parentProperty, PropertyChangeFlags propertyChange);
void propertiesAdded(const ModelNode &node, const QList<AbstractProperty>& propertyList);
void propertiesAboutToBeRemoved(const QList<AbstractProperty>& propertyList);
void propertiesRemoved(const QList<AbstractProperty>& propertyList);
void variantPropertiesChanged(const QList<VariantProperty>& propertyList, PropertyChangeFlags propertyChange);
void bindingPropertiesChanged(const QList<BindingProperty>& propertyList, PropertyChangeFlags propertyChange);
void nodeReparented(const ModelNode &node, const NodeAbstractProperty &newPropertyParent, const NodeAbstractProperty &oldPropertyParent, AbstractView::PropertyChangeFlags propertyChange);
void rootNodeTypeChanged(const QString &type, int majorVersion, int minorVersion);
void fileUrlChanged(const QUrl &oldUrl, const QUrl &newUrl);
void nodeIdChanged(const ModelNode& node, const QString& newId, const QString& oldId);
void nodeOrderChanged(const NodeListProperty &listProperty, const ModelNode &movedNode, int oldIndex);
void selectedNodesChanged(const QList<ModelNode> &selectedNodeList, const QList<ModelNode> &lastSelectedNodeList);
void scriptFunctionsChanged(const ModelNode &node, const QStringList &scriptFunctionList);
void instancePropertyChange(const QList<QPair<ModelNode, QString> > &propertyList);
QList<NodeInstance> instances() const;
NodeInstance instanceForNode(const ModelNode &node);
bool hasInstanceForNode(const ModelNode &node);
NodeInstance instanceForObject(QObject *object);
bool hasInstanceForObject(QObject *object);
void render(QPainter *painter, const QRectF &target=QRectF(), const QRectF &source=QRect(), Qt::AspectRatioMode aspectRatioMode=Qt::KeepAspectRatio);
QRectF sceneRect() const;
void notifyPropertyChange(const ModelNode &modelNode, const QString &propertyName);
void setBlockStatePropertyChanges(bool block);
NodeInstance activeStateInstance() const;
void activateState(const NodeInstance &instance);
void activateBaseState();
private slots:
void emitParentChanged(QObject *child);
void refreshLocalFileProperty(const QString &path);
private: // functions
NodeInstance rootNodeInstance() const;
NodeInstance loadNode(const ModelNode &rootNode, QObject *objectToBeWrapped = 0);
void loadModel(Model *model);
void loadNodes(const QList<ModelNode> &nodeList);
void removeAllInstanceNodeRelationships();
void removeRecursiveChildRelationship(const ModelNode &removedNode);
void insertInstanceNodeRelationship(const ModelNode &node, const NodeInstance &instance);
void removeInstanceNodeRelationship(const ModelNode &node);
QDeclarativeEngine *engine();
Internal::ChildrenChangeEventFilter *childrenChangeEventFilter();
void removeInstanceAndSubInstances(const ModelNode &node);
void setInstancePropertyVariant(const VariantProperty &property);
void setInstancePropertyBinding(const BindingProperty &property);
void resetInstanceProperty(const AbstractProperty &property);
void setStateInstance(const NodeInstance &stateInstance);
void clearStateInstance();
QFileSystemWatcher *fileSystemWatcher();
void addFilePropertyToFileSystemWatcher(QObject *object, const QString &propertyName, const QString &path);
void removeFilePropertyFromFileSystemWatcher(QObject *object, const QString &propertyName, const QString &path);
private: //variables
NodeInstance m_rootNodeInstance;
NodeInstance m_activeStateInstance;
QScopedPointer<QGraphicsView> m_graphicsView;
QHash<ModelNode, NodeInstance> m_nodeInstanceHash;
QHash<QObject*, NodeInstance> m_objectInstanceHash; // This is purely internal. Might contain dangling pointers!
QMultiHash<QString, ObjectPropertyPair> m_fileSystemWatcherHash;
QWeakPointer<QDeclarativeEngine> m_engine;
QWeakPointer<Internal::ChildrenChangeEventFilter> m_childrenChangeEventFilter;
QWeakPointer<QmlModelView> m_qmlModelView;
QWeakPointer<QFileSystemWatcher> m_fileSystemWatcher;
bool m_blockStatePropertyChanges;
};
} // namespace NodeInstanceView
#endif // NODEINSTANCEVIEW_H
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