group-node.h

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//
//  group-node.h
//  gepetto-viewer
//
//  Created by Justin Carpentier, Mathieu Geisert in November 2014.
//  Copyright (c) 2014 LAAS-CNRS. All rights reserved.
//

#ifndef GEPETTO_VIEWER_GROUPNODE_HH
#define GEPETTO_VIEWER_GROUPNODE_HH

#include <gepetto/viewer/node.h>

namespace gepetto {
namespace viewer {
    
    DEF_CLASS_SMART_PTR(GroupNode)
    
    class GroupNode : public Node
    {
    private:
        typedef std::vector<NodePtr_t> Nodes_t;
        Nodes_t list_of_objects_;

        GroupNodeWeakPtr weak_ptr_;
        
    protected:
        GroupNode (const std::string& name);
        
        GroupNode (const GroupNode& other);
        
        void initWeakPtr(GroupNodeWeakPtr other_weak_ptr);
        
    public:
       static GroupNodePtr_t create(const std::string& name);
        
        static GroupNodePtr_t createCopy(GroupNodePtr_t other);
        
        GroupNodePtr_t clone(void) const;
        
        GroupNodePtr_t self(void) const;
        
        
        virtual bool addChild (NodePtr_t child_ptr);
        
        virtual bool removeChild (NodePtr_t child_ptr);
        
        virtual bool hasChild (NodePtr_t child_ptr) const;
        
        virtual void removeAllChildren();
        
        virtual size_t getNumOfChildren() const
        {
          return list_of_objects_.size();
        }

        virtual NodePtr_t getChild(size_t i) const
        {  
           Nodes_t::const_iterator it = list_of_objects_.begin();
           if (list_of_objects_.size() > i)
           {
               std::advance(it, (long)i);
           }     
           return *it;    
        }
        
        virtual void setLightingMode (const LightingMode& lighting_state);
        
        virtual void setWireFrameMode (const WireFrameMode& wireframe_state);
        
        virtual void setAlpha (const float& alpha);
        
        void setColor (const osgVector4& color);

        void traverse (NodeVisitor& visitor);

    virtual osg::ref_ptr<osg::Node> getOsgNode() const;

        SCENE_VIEWER_ACCEPT_VISITOR;
        
        /* Destructor */
        virtual ~GroupNode();
        
    }; /* class GraphicalGroupOSG */

} /* namespace viewer */
} /* namespace gepetto */

#endif /* GEPETTO_VIEWER_GROUPNODE_HH */