ISelectionObserver.h

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/************************************************************************
* @file ISelectionObserver.h
*
* @brief 对象选择类
*
* @details 对象选择类
*
* @author dixu
*
* @version 1.0
*
* @date 2014-9-18
*
* @license 北京华科软科技有限公司
*
*************************************************************************/
 
#ifndef BIMHOMEGUI_GUI_ISELECTIONOBSERVER_H
#define BIMHOMEGUI_GUI_ISELECTIONOBSERVER_H
 
#include "BHGlobal.h"
 
namespace Gui
{
    class ISelectionChanges;
 
    enum class IResolveMode
    {
        NoResolve,
        OldStyleElement,
        NewStyleElement,
        FollowLink
    };
 
    class GuiExport ISelectionObserver
    {
    public:
 
        ISelectionObserver(bool attach = true, IResolveMode resolve = IResolveMode::OldStyleElement);
 
        virtual ~ISelectionObserver();
 
        bool blockSelection(bool block);
 
        bool isSelectionBlocked() const;
 
        bool isSelectionAttached() const;
 
        void attachSelection();
 
        void detachSelection();
 
        virtual void onSelectionChanged(const ISelectionChanges& msg) = 0;
    };
 
} //namespace Gui
 
#endif // GUI_ISELECTIONOBSERVER_H