463 lines
10 KiB
C
463 lines
10 KiB
C
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//____________________________________________________________________________
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997 - 1999
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//
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// File: multisel.h
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//
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// Contents:
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//
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// Classes:
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//
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// Functions:
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//
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// History: 6/12/1997 RaviR Created
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//____________________________________________________________________________
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//
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#ifndef _MULTISEL_H_
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#define _MULTISEL_H_
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class CSnapIn;
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class CNode;
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class CSnapInNode;
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class CMTSnapInNode;
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class CMultiSelection;
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class CComponent;
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class CComponentPtrArray;
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class CScopeTree;
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class CMMCClipBoardDataObject;
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// local classes
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class CSnapinSelData;
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class CSnapinSelDataList;
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class CMultiSelectDataObject;
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class CSnapinSelData
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{
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public:
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CSnapinSelData()
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: m_nNumOfItems(0),
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m_lCookie(111), // 0)
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m_bScopeItem(FALSE),
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m_ID(-1),
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m_pComponent(NULL),
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m_pSnapIn(NULL)
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{
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DEBUG_INCREMENT_INSTANCE_COUNTER(CSnapinSelData);
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}
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~CSnapinSelData()
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{
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DEBUG_DECREMENT_INSTANCE_COUNTER(CSnapinSelData);
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}
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UINT GetNumOfItems() const
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{
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return m_nNumOfItems;
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}
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MMC_COOKIE GetCookie() const
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{
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return m_lCookie;
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}
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BOOL IsScopeItem() const
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{
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return m_bScopeItem;
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}
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void IncrementNumOfItems()
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{
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++m_nNumOfItems;
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}
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void SetNumOfItems(UINT count)
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{
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m_nNumOfItems = count;
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}
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void SetCookie(MMC_COOKIE lCookie)
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{
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m_lCookie = lCookie;
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}
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void SetIsScopeItem(BOOL bScopeItem)
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{
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m_bScopeItem = bScopeItem;
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}
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void AddObjectType(GUID& guid)
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{
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m_objectTypeGuidList.AddHead(guid);
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}
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CList<GUID, GUID&>& GetObjectTypeGuidList()
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{
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return m_objectTypeGuidList;
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}
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void SetSnapIn(CSnapIn* pSnapIn)
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{
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m_pSnapIn = pSnapIn;
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}
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CSnapIn* GetSnapIn()
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{
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return m_pSnapIn;
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}
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COMPONENTID GetID()
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{
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return m_ID;
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}
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void SetID(COMPONENTID id)
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{
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m_ID = id;
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}
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void SetDataObject(IDataObject* pDO)
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{
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m_spDataObject = pDO;
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}
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IDataObject* GetDataObject()
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{
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ASSERT(m_spDataObject != NULL);
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return m_spDataObject;
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}
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void SetComponent(CComponent* pComponent)
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{
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ASSERT(m_pComponent == NULL);
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m_pComponent = pComponent;
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}
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CComponent* GetComponent()
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{
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ASSERT(m_pComponent != NULL);
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return m_pComponent;
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}
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void SetConsoleVerb(IConsoleVerb* pConsoleVerb)
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{
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m_spConsoleVerb = pConsoleVerb;
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}
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IConsoleVerb* GetConsoleVerb()
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{
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return m_spConsoleVerb;
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}
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// methods to access array of scope nodes included in multiselection
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// this data is particularly valuable, when data is put on clipboard
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// to be detect if contined data is affected by CNode being deleted
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typedef std::vector<CNode *> CNodePtrArray;
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void AddScopeNodes(const CNodePtrArray& nodes) { m_vecScopeNodes.insert( m_vecScopeNodes.end(), nodes.begin(), nodes.end() ); }
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const CNodePtrArray& GetScopeNodes() { return m_vecScopeNodes; }
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private:
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UINT m_nNumOfItems;
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BOOL m_bScopeItem;
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MMC_COOKIE m_lCookie;
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COMPONENTID m_ID;
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CSnapIn* m_pSnapIn;
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CComponent* m_pComponent;
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IConsoleVerbPtr m_spConsoleVerb;
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IDataObjectPtr m_spDataObject;
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CList<GUID, GUID&> m_objectTypeGuidList;
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CNodePtrArray m_vecScopeNodes;
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}; // class CSnapinSelData
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class CSnapinSelDataList : public CList<CSnapinSelData*, CSnapinSelData*>
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{
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public:
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CSnapinSelDataList()
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{
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DEBUG_INCREMENT_INSTANCE_COUNTER(CSnapinSelDataList);
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}
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~CSnapinSelDataList()
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{
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POSITION pos = GetHeadPosition();
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while (pos)
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{
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delete GetNext(pos);
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}
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DEBUG_DECREMENT_INSTANCE_COUNTER(CSnapinSelDataList);
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}
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void Add(CSnapinSelData& snapinSelData, BOOL bStaticNode);
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};
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class CMultiSelection
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{
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public:
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CMultiSelection(CNode* pNode);
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void AddRef()
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{
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++m_cRef;
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}
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void Release()
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{
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ASSERT(m_cRef > 0);
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--m_cRef;
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if (m_cRef == 0)
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{
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ReleaseMultiSelDataObject();
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delete this;
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}
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}
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HRESULT Init();
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HRESULT GetMultiSelDataObject(IDataObject** ppDataObject);
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HRESULT GetExtensionSnapins(LPCTSTR pszExtensionTypeKey,
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CList<GUID, GUID&>& snapinGuidList);
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bool IsSingleSnapinSelection()
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{
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if (m_rgStaticNodes.size() > 0 || m_snapinSelDataList.GetCount() > 1)
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return false;
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return true;
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}
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IDataObject* GetSingleSnapinSelDataObject()
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{
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if (!IsSingleSnapinSelection())
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return NULL;
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CSnapinSelData* pSnapinSelData = m_snapinSelDataList.GetHead();
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ASSERT(pSnapinSelData != NULL);
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return pSnapinSelData->GetDataObject();
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}
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CComponent* GetPrimarySnapinComponent()
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{
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if (!IsSingleSnapinSelection())
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return NULL;
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CSnapinSelData* pSnapinSelData = m_snapinSelDataList.GetHead();
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return pSnapinSelData->GetComponent();
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}
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BOOL IsAnExtensionSnapIn(const CLSID& rclsid);
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BOOL HasNodes()
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{
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return m_bHasNodes;
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}
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BOOL HasStaticData()
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{
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return (m_rgStaticNodes.size() > 0);
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}
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BOOL HasSnapinData()
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{
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return (m_snapinSelDataList.IsEmpty() == FALSE);
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}
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BOOL HasData()
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{
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if (HasSnapinData() == FALSE)
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return HasStaticData();
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return TRUE;
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}
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void SetScopeTree(CScopeTree* pCScopeTree)
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{
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m_pCScopeTree = pCScopeTree;
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}
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CScopeTree* GetScopeTree()
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{
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ASSERT(m_pCScopeTree != NULL);
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return m_pCScopeTree;
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}
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BOOL IsInUse()
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{
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return m_bInUse;
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}
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SC ScVerbInvoked(MMC_CONSOLE_VERB verb);
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bool RemoveStaticNode(CMTNode* pMTNode);
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void ReleaseMultiSelDataObject()
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{
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m_spDataObjectMultiSel = NULL;
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ASSERT(m_spDataObjectMultiSel == NULL);
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}
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SC ScIsVerbEnabledInclusively(MMC_CONSOLE_VERB mmcVerb, BOOL& bEnable);
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SC ScGetSnapinDataObjects(CMMCClipBoardDataObject *pResultObject);
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private:
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DWORD m_cRef;
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CNode* m_pNode;
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CSnapInNode* m_pSINode;
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CMTSnapInNode* m_pMTSINode;
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CScopeTree* m_pCScopeTree;
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CSnapinSelDataList m_snapinSelDataList;
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CMTNodePtrArray m_rgStaticNodes;
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IDataObjectPtr m_spDataObjectMultiSel;
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BOOL m_bHasNodes;
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BOOL m_bInUse;
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CMTSnapInNode* _GetStaticMasterNode()
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{
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return m_pMTSINode;
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}
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CSnapInNode* _GetStaticNode()
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{
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return m_pSINode;
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}
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void _SetInUse(BOOL b)
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{
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m_bInUse = b;
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}
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SC _ScVerbInvoked(MMC_CONSOLE_VERB verb);
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bool _IsTargetCut();
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#ifdef DBG
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BOOL m_bInit;
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#endif
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HRESULT _ComputeSelectionDataList();
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CComponent* _GetComponent(CSnapinSelData* pSnapinSelData);
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HRESULT _GetObjectTypeForSingleSel(CSnapinSelData* pSnapinSelData);
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HRESULT _GetObjectTypesForMultipleSel(CSnapinSelData* pSnapinSelData);
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HRESULT _FindSnapinsThatExtendObjectTypes(CSnapinSelDataList& snapinSelDataList,
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CList<GUID, GUID&>& snapinGuidList);
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~CMultiSelection();
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}; // class CMultiSelection
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class CMultiSelectDataObject : public IDataObject,
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public CComObjectRoot
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{
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public:
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// ATL Maps
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DECLARE_NOT_AGGREGATABLE(CMultiSelectDataObject)
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BEGIN_COM_MAP(CMultiSelectDataObject)
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COM_INTERFACE_ENTRY(IDataObject)
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END_COM_MAP()
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#ifdef DBG
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int dbg_cRef;
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ULONG InternalAddRef()
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{
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++dbg_cRef;
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int tmp1 = dbg_cRef;
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int tmp2 = tmp1 * 4;
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return CComObjectRoot::InternalAddRef();
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}
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ULONG InternalRelease()
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{
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--dbg_cRef;
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int tmp1 = dbg_cRef;
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int tmp2 = tmp1 * 4;
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return CComObjectRoot::InternalRelease();
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}
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#endif // DBG
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// Construction/Destruction
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CMultiSelectDataObject() : m_ppDataObjects(NULL), m_count(0),
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m_ppMTNodes(NULL), m_nSize(0), m_pMS(NULL)
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{
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#ifdef DBG
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dbg_cRef = 0;
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#endif
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DEBUG_INCREMENT_INSTANCE_COUNTER(CMultiSelectDataObject);
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}
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~CMultiSelectDataObject();
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void SetDataObjects(LPDATAOBJECT* ppDataObjects, UINT count)
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{
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if (ppDataObjects != NULL)
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{
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ASSERT(m_ppDataObjects == NULL);
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ASSERT(m_count == 0);
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m_ppDataObjects = ppDataObjects;
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m_count = count;
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}
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else
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{
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ASSERT(count == 0);
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delete [] m_ppDataObjects;
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m_ppDataObjects = NULL;
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m_count = 0;
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}
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}
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void SetStaticNodes(CMTNodePtrArray &rgMTNodes, int nSize)
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{
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typedef CMTNode* _PMTNODE;
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ASSERT(m_ppMTNodes == NULL);
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ASSERT(m_nSize == 0);
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m_ppMTNodes = new _PMTNODE[nSize];
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if(m_ppMTNodes != NULL)
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{
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m_nSize = nSize;
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for(int i=0; i<nSize; i++)
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m_ppMTNodes[i] = rgMTNodes[i];
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}
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}
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void SetMultiSelection(CMultiSelection* pMS)
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{
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ASSERT(pMS != NULL);
|
||
|
|
m_pMS = pMS;
|
||
|
|
m_pMS->AddRef();
|
||
|
|
}
|
||
|
|
CMultiSelection* GetMultiSelection()
|
||
|
|
{
|
||
|
|
ASSERT(m_pMS != NULL);
|
||
|
|
return m_pMS;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Standard IDataObject methods
|
||
|
|
public:
|
||
|
|
// Implemented
|
||
|
|
STDMETHOD(GetDataHere)(LPFORMATETC lpFormatetc, LPSTGMEDIUM lpMedium);
|
||
|
|
STDMETHOD(GetData)(LPFORMATETC lpFormatetcIn, LPSTGMEDIUM lpMedium);
|
||
|
|
STDMETHOD(EnumFormatEtc)(DWORD dwDirection, LPENUMFORMATETC* ppEnumFormatEtc);
|
||
|
|
STDMETHOD(QueryGetData)(LPFORMATETC lpFormatetc);
|
||
|
|
|
||
|
|
// Not Implemented
|
||
|
|
STDMETHOD(GetCanonicalFormatEtc)(LPFORMATETC lpFormatetcIn, LPFORMATETC lpFormatetcOut) { return E_NOTIMPL; };
|
||
|
|
STDMETHOD(SetData)(LPFORMATETC lpFormatetc, LPSTGMEDIUM lpMedium, BOOL bRelease) { return E_NOTIMPL; };
|
||
|
|
STDMETHOD(DAdvise)(LPFORMATETC lpFormatetc, DWORD advf,LPADVISESINK pAdvSink, LPDWORD pdwConnection) { return E_NOTIMPL; };
|
||
|
|
STDMETHOD(DUnadvise)(DWORD dwConnection) { return E_NOTIMPL; };
|
||
|
|
STDMETHOD(EnumDAdvise)(LPENUMSTATDATA* ppEnumAdvise) { return E_NOTIMPL; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
LPDATAOBJECT* m_ppDataObjects;
|
||
|
|
UINT m_count;
|
||
|
|
|
||
|
|
CMTNode** m_ppMTNodes;
|
||
|
|
int m_nSize;
|
||
|
|
|
||
|
|
CMultiSelection* m_pMS; // To be used only for Drag-Drop
|
||
|
|
|
||
|
|
}; // class CMultiSelectDataObject
|
||
|
|
|
||
|
|
|
||
|
|
bool IsMultiSelectDataObject(IDataObject* pdtobjCBSelData);
|
||
|
|
|
||
|
|
#endif // _MULTISEL_H_
|
||
|
|
|
||
|
|
|