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**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** This file is part of Qt Creator.
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** 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
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****************************************************************************/

#ifndef MODELTOTEXTMERGER_H
#define MODELTOTEXTMERGER_H

#include "corelib_global.h"
#include <modelnode.h>
#include "abstractview.h"
#include "nodeabstractproperty.h"
#include "variantproperty.h"
#include "nodelistproperty.h"
#include "bindingproperty.h"
#include "rewriteaction.h"
#include <filemanager/qmlrefactoring.h>
#include <QMap>
#include <QSet>
#include <QHash>
#include <QVariant>

namespace QmlDesigner {

class CORESHARED_EXPORT RewriterView;

namespace Internal {

class ModelToTextMerger
{
    typedef AbstractView::PropertyChangeFlags PropertyChangeFlags;
    static QStringList m_propertyOrder;

public:
    ModelToTextMerger(RewriterView *reWriterView);

    /**
     *  Note: his method might throw exceptions, as the model works this way. So to
     *  handle rewriting failures, you will also need to catch any exception coming
     *  out.
     */
    void applyChanges();

    bool hasNoPendingChanges() const
    { return m_rewriteActions.isEmpty(); }

    void nodeCreated(const ModelNode &createdNode);
    void nodeRemoved(const ModelNode &removedNode, const NodeAbstractProperty &parentProperty, PropertyChangeFlags propertyChange);
    void propertiesRemoved(const QList<AbstractProperty>& propertyList);
    void propertiesChanged(const QList<AbstractProperty>& propertyList, PropertyChangeFlags propertyChange);
    void nodeReparented(const ModelNode &node, const NodeAbstractProperty &newPropertyParent, const NodeAbstractProperty &oldPropertyParent, AbstractView::PropertyChangeFlags propertyChange);
    void nodeIdChanged(const ModelNode& node, const QString& newId, const QString& oldId);
    void nodeSlidAround(const ModelNode &movingNode, const ModelNode &inFrontOfNode);
    void nodeTypeChanged(const ModelNode &node,const QString &type, int majorVersion, int minorVersion);

    void addImport(const Import &import);
    void removeImport(const Import &import);

protected:
    RewriterView *view();

    void reindent(const QMap<int,int> &dirtyAreas) const;

    void schedule(RewriteAction *action);
    QList<RewriteAction *> scheduledRewriteActions() const
    { return m_rewriteActions; }

    static QmlDesigner::QmlRefactoring::PropertyType propertyType(const AbstractProperty &property, const QString &textValue = QString());
    static QStringList getPropertyOrder();

    static bool isInHierarchy(const AbstractProperty &property);

    void dumpRewriteActions(const QString &msg);

private:
    RewriterView *m_rewriterView;
    QList<RewriteAction *> m_rewriteActions;
};

} //Internal
} //QmlDesigner

#endif // MODELTOTEXTMERGER_H
