/**********************************************************************/
/**                       Microsoft Windows/NT                       **/
/**                Copyright(c) Microsoft Corporation, 1997 - 1998 **/
/**********************************************************************/

/*
	FltrNode.h

    FILE HISTORY:
        
*/

#ifndef _MMFLTR_H
#define _MMFLTR_H

#ifndef _IPSMHAND_H
#include "ipsmhand.h"
#endif

#ifndef _SPDDB_H
#include "spddb.h"
#endif


/*---------------------------------------------------------------------------
	Class:	CMmFilterHandler
 ---------------------------------------------------------------------------*/
class CMmFilterHandler : public CIpsmHandler
{
public:
    CMmFilterHandler(ITFSComponentData* pTFSComponentData);
	virtual ~CMmFilterHandler();

// Interface
public:
	// base handler functionality we override
	OVERRIDE_NodeHandler_HasPropertyPages();
    OVERRIDE_NodeHandler_CreatePropertyPages();
	OVERRIDE_NodeHandler_OnAddMenuItems();
	OVERRIDE_NodeHandler_OnCommand();
	OVERRIDE_NodeHandler_GetString()
			{ return (nCol == 0) ? GetDisplayName() : NULL; }

	// Base handler notifications we handle
	OVERRIDE_BaseHandlerNotify_OnExpand();
    OVERRIDE_BaseHandlerNotify_OnDelete();
    OVERRIDE_BaseHandlerNotify_OnPropertyChange();    

	// Result handler functionality we override
    OVERRIDE_BaseResultHandlerNotify_OnResultSelect();
    OVERRIDE_BaseResultHandlerNotify_OnResultUpdateView();

    OVERRIDE_ResultHandler_OnGetResultViewType();
	OVERRIDE_ResultHandler_GetVirtualString(); 
	OVERRIDE_ResultHandler_GetVirtualImage();
    OVERRIDE_ResultHandler_AddMenuItems();
    OVERRIDE_ResultHandler_Command();
	OVERRIDE_ResultHandler_HasPropertyPages();
	OVERRIDE_ResultHandler_CreatePropertyPages();

	STDMETHODIMP CacheHint(int nStartIndex, int nEndIndex);
	STDMETHODIMP SortItems(int     nColumn, 
						   DWORD   dwSortOptions,    
						   LPARAM  lUserParam);

    // base handler overrides
	virtual HRESULT LoadColumns(ITFSComponent *, MMC_COOKIE, LPARAM, LPARAM);

	// CHandler overridden
    virtual HRESULT OnRefresh(ITFSNode *, LPDATAOBJECT, DWORD, LPARAM, LPARAM);

    // multi select support
    virtual const GUID * GetVirtualGuid(int nIndex) 
	{ 
		return &GUID_IpsmMmFilterNodeType; 
	}

public:
	// CMTIpsmHandler functionality
	virtual HRESULT  InitializeNode(ITFSNode * pNode);
	virtual int      GetImageIndex(BOOL bOpenImage);
	ITFSQueryObject* OnCreateQuery(ITFSNode * pNode);

public:
	// implementation specific	
    HRESULT InitData(ISpdInfo * pSpdInfo);
    HRESULT UpdateStatus(ITFSNode * pNode);
    
// Implementation
private:
	// Command handlers
    HRESULT OnDelete(ITFSNode * pNode);

private:
    SPISpdInfo          m_spSpdInfo;
};


#endif _LINES_H