ENGINE_API CXSroll

#ifndef __XSROLL_H__
#define __XSROLL_H__

#include "CocoHead.h"
#include "XWindow.h"


class ENGINE_API CXSroll : public CXWindow
{
public:
    enum XSrollType
    {
        _SrollDirectionVertical        = 0,        //垂直
        _SrollDirectionHorizontal    = 1,        //水平    
        _SrollVerticalTable            = 2,        //垂直选项(Table类型)
        _SrollHorizontalTable        = 3,        //水平选项(Table类型)
        _SrollDirectionBoth            = 4,
    };

public:
    CXSroll();
    virtual ~CXSroll();

    static CXSroll*        create(int nId, CCPoint tPos, CCRect rect, const char* psPic = NULL, CXWindow* pParentWnd = NULL);

    virtual bool        init( int nId, CCPoint tPos, CCRect rect, const char* psPic = NULL, CXWindow* pParentWnd = NULL );

    virtual UI_TYPE        getUIType();

    void                setSrollType(CXSroll::XSrollType eSrollType);
    CXSroll::XSrollType getSrollType();

    void                addItem(CXWindow* pWnd);
    void                addItem(CXWindow* pWnd, int nZOrder);

    void                setBounds(float fBounds);
    float                getBounds();

    CXWindow*            getItemChildById(int nItemId, int nChildId);
    deque<CXWindow*>*    getItemDequeById(int nItemId);
    map<CXWindow*, deque<CXWindow*> >&    getMapItem();
    

    void                setTouchDistribute(bool bDistribute);

    void                setItemEnabled(unsigned int wIndex,unsigned int wCount);

    void                setDisableDrag(bool bDisable);

protected:

    virtual void        visit();

    virtual bool        onMouseDown(CCTouch *pTouch, CCEvent *pEvent);
    virtual void        onMouseUp(CCTouch *pTouch, CCEvent *pEvent);
    virtual void        onMouseMove(CCTouch *pTouch, CCEvent *pEvent);


    void                setItemPos(CXWindow* pWnd);

    void                deaccelerateScrolling(float dt);

    void                clippingToBounds(float dt);

private:
    CCNode*                        m_pContainer;
    map<CXWindow*, deque<CXWindow*> >    m_mapItem; //集装箱字典
    deque<CXWindow*>                    m_dequeItem;
    vector<CXWindow*>                    m_vecItem;//防止m_mapItem无序

    XSrollType                    m_eSrollType;
    float                        m_fItemPosLenght;    //总长度

    bool                        m_bSelected;
    CCPoint                        m_tUnitMoveDist;
    CCPoint                        m_tOriginalPos;
    CCPoint                        m_tEndPos;
    
    CCPoint                        m_tContainerDownPos;
    CCPoint                        m_tContainerUpPos;
    CCPoint                        m_tContainerDragDist;

    unsigned int                m_nTableFocusIndex;
    float                        m_fBounds;
    int                            m_nTableDragDistFold;

    //
    CXWindow*                    m_pFocusWnd;
    bool                        m_bFocusWndClick;
    bool                        m_bDistributeTouch;

    bool                        m_bDisableDrag;


};

#endif//__XSROLL_H__