nifproxy.h

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Copyright (c) 2005-2012, NIF File Format Library and Tools
All rights reserved.

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#ifndef NIFPROXYMODEL_H
#define NIFPROXYMODEL_H

#include <QAbstractItemModel>

#include <QList>

class NifModel;

class NifProxyItem;

class NifProxyModel : public QAbstractItemModel
{
	Q_OBJECT
public:
	NifProxyModel( QObject * parent = 0 );
	~NifProxyModel();
	
    virtual void setModel(QAbstractItemModel *model);
    QAbstractItemModel *model() const;

	QModelIndex index( int row, int col, const QModelIndex & parent ) const;
	QModelIndex parent( const QModelIndex & index ) const;
	
	Qt::ItemFlags flags( const QModelIndex & index ) const;
	
	int columnCount( const QModelIndex & index ) const { Q_UNUSED(index); return 2; }
	int rowCount( const QModelIndex & index ) const;
	
	bool hasChildren( const QModelIndex & index ) const
	{ return rowCount( index ) > 0; }
	
	QVariant data( const QModelIndex & index, int role ) const;
	bool setData( const QModelIndex & index, const QVariant & v, int role );
	
	QVariant headerData( int section, Qt::Orientation o, int role ) const;

	QModelIndex mapTo( const QModelIndex & index ) const;
	QModelIndex mapFrom( const QModelIndex & index, const QModelIndex & ref ) const;

public slots:
	void reset();
	
protected slots:
	void xDataChanged( const QModelIndex &, const QModelIndex & );
	void xHeaderDataChanged( Qt::Orientation, int, int );
	void xRowsAboutToBeRemoved( const QModelIndex &, int, int );
	
	void xLinksChanged();
	
protected:
	QList<QModelIndex> mapFrom( const QModelIndex & index ) const;
	
	void updateRoot( bool fast );
	void updateItem( NifProxyItem * item, bool fast );
	
	NifModel * nif;
	
	NifProxyItem * root;
};

#endif