ElementList.h

// ElementList.h: interface for the CElementList class.
//

#if !defined(LST_ELEMENTLIST_H__INCLUDED)
#define LST_ELEMENTLIST_H__INCLUDED

#pragma once

#include <vector>
#include "Utility/DPoint.h"


namespace Larson
{
        class CCgmBaseObj;
        class CAppStruct;
        class CDrawBase;
        class CMatrix;
        class CSegment;


        class PicElement
        {
        public:
                enum PicElementType {
                        Null = 0,
                        Graphical = 1,
                        AppStruct = 2,
                        Segment = 3
                };
                PicElement()
                        { type = Graphical; data.pObj = NULL; flags = 0; };
                PicElement(CCgmBaseObj* pObj) 
                        { type = Graphical, data.pObj = pObj; flags = 0; };
                PicElement(CAppStruct* pAppStruct) 
                        { type = AppStruct, data.pAppStruct = pAppStruct; flags = 0; };
                PicElement(CSegment* pSegment) 
                        { type = Segment, data.pSegment = pSegment; flags = 0; };
                virtual ~PicElement();

                void operator=( const PicElement& a ); 
                bool operator==( const PicElement& a ) const; 
                PicElement Clone();
                void Draw(CDrawBase* pDB);
                DRect GetBounds(bool locus = false) const;
                bool HitTest(DPoint point, double margin) const;
                void TransformBy(CMatrix* pXF);

                enum PicElementType type;
                union {
                        CCgmBaseObj* pObj;
                        CAppStruct* pAppStruct;
                        CSegment* pSegment;
                } data;
                // application defined flags, e.g. Locked, Selected...
                unsigned char flags;
        };

        class CElementList
        {
        public:
                CElementList();
                virtual ~CElementList();

                void add(CCgmBaseObj* pObj);
                void add(CAppStruct* pAppStruct);
                void add(CSegment* pSegment);
                void add(PicElement& elem);
                int find(PicElement& elem);
                bool erase(int index);
                bool insert(int index, PicElement& elem);

                std::vector<PicElement> m_elements;
                CElementList *m_pParent;

                int m_growSize;
        };
}

#endif // LST_ELEMENTLIST_H__INCLUDED