visdatagroup.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kris Tingdahl
 Date:          Jan 2002
________________________________________________________________________

-*/

#include "visdata.h"
#include "sets.h"

class SoGroup;
class SoSeparator;

namespace osg { class Group; }

namespace visBase
{

mExpClass(visBase) DataObjectGroup : public DataObject
{
public:

    static DataObjectGroup*     create()
                                mCreateDataObj(DataObjectGroup);

    void                        setSeparate( bool yn=true ) { separate_=yn; }
    virtual int                 size() const;
    virtual void                addObject( DataObject* );
    void                        addObject( int id );
    virtual void                insertObject( int idx, DataObject* );

    virtual int                 getFirstIdx( int id ) const;
    virtual int                 getFirstIdx( const DataObject* ) const;
    virtual void                removeObject( int idx );
    virtual void                removeAll();
    virtual DataObject*         getObject( int idx )
                                {return objects_.size()>idx ? objects_[idx] :0;}
    const DataObject*           getObject( int idx ) const
                                { return const_cast<DataObjectGroup*>(this)->
                                    getObject( idx ); }

    void                        setDisplayTransformation(const mVisTrans*);
    const mVisTrans*            getDisplayTransformation() const;
    void                        setRightHandSystem(bool);
    bool                        isRightHandSystem() const;

    void                        setPixelDensity(float dpi);
    float                       getPixelDensity() const { return pixeldensity_;}

    Notifier<DataObjectGroup>   change; //triggers on add/insert/remove
protected:

    virtual                     ~DataObjectGroup();

    osg::Group*                 osggroup_;

    bool                        righthandsystem_;
    float                       pixeldensity_;

protected:

    ObjectSet<DataObject>       objects_;
    bool                        separate_;

};

} //namespace