207 lines
7 KiB
C
207 lines
7 KiB
C
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//+-------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1994 - 1999
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//
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// File: ocxcaching.h
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//
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// Contents: Classes that implement OCX caching snapin using the framework.
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//
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//--------------------------------------------------------------------
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#ifndef _OCXCACHING_H_
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#define _OCXCACHING_H_
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// Forward declarations.
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class COCXContainer;
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//+-------------------------------------------------------------------
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//
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// Class: COCXCachingSnapinRootItem
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//
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// Purpose: Implements the root item for a standalone snapin.
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//
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//--------------------------------------------------------------------
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class COCXCachingSnapinRootItem : public CBaseSnapinItem
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{
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typedef CBaseSnapinItem super;
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// Used by CBaseSnapinItem::ScCreateItem, connect this item with its children.
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typedef CComObject<CSnapinItem<COCXCachingSnapinRootItem> > t_item;
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typedef CComObject<CSnapinItem<COCXContainer> > t_itemChild; // Who is my child?
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public:
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COCXCachingSnapinRootItem( void ) {} // Raw constructor - use only for static item.
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virtual ~COCXCachingSnapinRootItem( void ) {}
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BEGIN_COM_MAP(COCXCachingSnapinRootItem)
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COM_INTERFACE_ENTRY(IDataObject) // Cant have empty map so add IDataObject
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END_COM_MAP()
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protected:
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// Item tree related information
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// node type related information
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virtual const CNodeType* Pnodetype( void ) { return &nodetypeSampleRoot;}
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// the display name of the item
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virtual const tstring* PstrDisplayName( void ) { return &m_strDisplayName;}
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// Get ListView data (GetDisplayInfo calls this).
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virtual SC ScGetField(DAT dat, tstring& strField);
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// Image list information
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virtual LONG Iconid() { return m_uIconIndex; }
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virtual LONG OpenIconid() { return m_uIconIndex; }
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virtual BOOL FIsContainer( void ) { return TRUE; }
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// Context menu support
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virtual SnapinMenuItem *Pmenuitem(void);
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virtual INT CMenuItem(void);
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virtual SC ScCommand(long nCommandID, CComponent *pComponent = NULL);
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virtual DWORD DwFlagsMenuChecked(void) { return TRUE;}
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public:
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virtual SC ScInit(CBaseSnapin *pSnapin, CColumnInfoEx *pcolinfoex = NULL, INT ccolinfoex = 0, BOOL fIsRoot = FALSE);
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public:
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// Creates children for the node
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virtual SC ScCreateChildren( void );
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protected:
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tstring m_strDisplayName;
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UINT m_uIconIndex;
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// For context menus
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static SnapinMenuItem s_rgmenuitem[];
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static INT s_cmenuitem;
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};
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//+-------------------------------------------------------------------
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//
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// Class: COCXContainer
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//
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// Purpose: Implements a scope pane item.
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//
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//--------------------------------------------------------------------
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class COCXContainer : public CBaseSnapinItem
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{
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typedef CBaseSnapinItem super;
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// Used by CBaseSnapinItem::ScCreateItem, connect this item with its children.
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typedef CComObject<CSnapinItem<COCXContainer> > t_item;
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// If we cache OCX's then it should be cached per IComponent. But this CBaseSnapinItem based
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// container is per snapin (not per IComponent) so we use a map to store the per IComponent OCX.
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typedef std::map<IConsole*, IUnknownPtr> CachedOCXs;
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public:
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COCXContainer( void ) {}
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virtual ~COCXContainer( void ) {}
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BEGIN_COM_MAP(COCXContainer)
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COM_INTERFACE_ENTRY(IDataObject) // Cant have empty map so add IDataObject
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END_COM_MAP()
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protected:
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// Item tree related information
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// node type related information
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const CNodeType *Pnodetype( void ) { return &nodetypeSampleLVContainer;}
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// the display name of the item
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virtual const tstring* PstrDisplayName( void ) { return &m_strDisplayName;}
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// Get ListView data (GetDisplayInfo calls this).
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virtual SC ScGetField(DAT dat, tstring& strField);
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// Image list information
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virtual LONG Iconid() { return m_uIconIndex; }
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virtual LONG OpenIconid() { return m_uIconIndex; }
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// This item attributes.
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virtual BOOL FIsContainer( void ) { return TRUE; }
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virtual BOOL FUsesResultList() { return FALSE;}
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virtual BOOL FResultPaneIsOCX() { return TRUE; }
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virtual SC ScGetOCXCLSID(tstring& strclsidOCX) { strclsidOCX = m_strOCX; return S_OK;}
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virtual BOOL FAllowMultiSelectionForChildren() { return FALSE;}
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virtual SC ScInitOCX(LPUNKNOWN pUnkOCX, IConsole* pConsole);
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virtual BOOL FCacheOCX();
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virtual IUnknown* GetCachedOCX(IConsole* pConsole);
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// There is no list-view so following methods are empty.
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virtual SC ScInitializeResultView(CComponent *pComponent) { return S_OK;}
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virtual SC ScOnAddImages(IImageList* ipResultImageList) { return S_OK;}
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public:
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virtual SC ScInit(CBaseSnapin *pSnapin, CColumnInfoEx *pcolinfoex = NULL, INT ccolinfoex = 0, BOOL fIsRoot = FALSE);
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public:
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// Creates children for the node
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virtual SC ScCreateChildren( void );
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static SC ScCreateLVContainer(CBaseSnapinItem *pitemParent, CBaseSnapinItem *pitemPrevious, COCXContainer ** ppitem, BOOL fNew);
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void SetOCXGUID(LPCTSTR szGUID) { m_strOCX = szGUID;}
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protected:
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// virtual SC ScGetVerbs(DWORD * pdwVerbs);
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protected:
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tstring m_strDisplayName;
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UINT m_uIconIndex;
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CachedOCXs m_mapOCXs;
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tstring m_strOCX;
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};
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//+-------------------------------------------------------------------
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//
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// Class: COCXCachingSnapin
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//
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// Purpose: Implements a snapin.
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//
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//--------------------------------------------------------------------
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class COCXCachingSnapin : public CBaseSnapin
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{
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// Specify the root node of the snapin.
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typedef CComObject<CSnapinItem<COCXCachingSnapinRootItem> > t_itemRoot;
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SNAPIN_DECLARE(COCXCachingSnapin);
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public:
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COCXCachingSnapin();
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virtual ~COCXCachingSnapin();
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// information about the snapin and root (ie initial) node
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virtual BOOL FStandalone() { return TRUE; }
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virtual BOOL FIsExtension() { return FALSE; }
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virtual BOOL FSupportsIComponent2() {return TRUE;}
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virtual LONG IdsDescription(void) {return IDS_OCXCachingRoot;}
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virtual LONG IdsName(void) {return IDS_OCXCachingSnapin;}
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const CSnapinInfo* Psnapininfo() { return &snapininfoOCXCaching; }
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bool FCacheOCX() { return m_bCacheOCX;}
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void SetCacheOCX(bool b) { m_bCacheOCX = b;}
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protected:
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// The column header info structures.
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static CColumnInfoEx s_colinfo[];
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static INT s_colwidths[];
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static INT s_ccolinfo;
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bool m_bCacheOCX;
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protected:
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virtual CColumnInfoEx* Pcolinfoex(INT icolinfo=0) { return s_colinfo + icolinfo; }
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virtual INT &ColumnWidth(INT icolwidth=0) { return s_colwidths[icolwidth]; }
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virtual INT Ccolinfoex() { return s_ccolinfo; }
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};
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#endif
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