Create a Universal Document Template which supports Dynamic Frame Window Layout

//*******************************************************************************
// COPYRIGHT NOTES
// ---------------
// This source code is a part of Tangram library.
// You may use, compile or redistribute it as part of your application 
// for free. You cannot redistribute it as a part of a software development 
// library without the agreement of the author. If the sources are 
// distributed along with the application, you should leave the original 
// copyright notes in the source code without any changes.
// This code can be used WITHOUT ANY WARRANTIES on your own risk.
// 
// For the latest updates to this library, check site:
// http://www.tangramdev.com
// 
// sunhui
//*******************************************************************************
#pragma once
// TangramCntrItem.h : header file
//
#include "TangramObject.h"

class CTangramDoc;
class TangramObject;
class TangramObj;
/////////////////////////////////////////////////////////////////////////////
// CTangramCntrItem document

class CTangramCntrItem : public COleClientItem
{
	friend class CTangramDoc;
	friend class CTangramDesignView;
protected:
	DECLARE_SERIAL(CTangramCntrItem)

// Attributes
public:
	CTangramCntrItem(COleDocument* pContainer = NULL);	// protected constructor used by dynamic creation
	BOOL bSetMenu;
	CTangramObject* m_pTangramObject;
	CTangramObj* m_pTangramObj;
	CString m_strObjName;
	HWND m_hParentWnd;
	CView* m_pMfcView;
	BOOL bDocument;
	BOOL bWinCtrl;
	//BOOL bAxFrameItem;
	BOOL bShow;
	BOOL bDesignMode;
	BOOL bApcCtrl;
	int nDockingIndex;
	//CString m_strObjID;

	int nIndex;
	long m_CtrlID;
	CTangramDoc* m_pDoc;
	COleDocument* GetDocument()
	{ 
		if(m_pDoc)
			m_pDocument = (COleDocument*)m_pDoc;

		return m_pDocument; 
	}
	CView* GetActiveView()
	{ 
		m_pView = m_pMfcView;
		return m_pMfcView;
	}

// Operations
public:
	void Deactivate();
	BOOL SetItemRects(LPCRECT lpPosRect = NULL, LPCRECT lpClipRect = NULL);
	void GetCtrlWndHandle();

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTangramCntrItem)
	public:
	virtual void Serialize(CArchive& ar);   // overridden for document i/o
	virtual void OnDeactivateUI(BOOL bUndoable);
	virtual void OnSetMenu(CMenu* pMenuShared, HOLEMENU holemenu, HWND hwndActiveObject);
	protected:
	virtual void OnActivate();
	virtual void OnActivateUI();
	virtual void OnDeactivate();
	virtual BOOL OnGetWindowContext(CFrameWnd** ppMainFrame, CFrameWnd** ppDocFrame, LPOLEINPLACEFRAMEINFO lpFrameInfo);
	virtual void OnGetClipRect(CRect& rClipRect);
	virtual void OnGetItemPosition(CRect& rPosition);
	//}}AFX_VIRTUAL

// Implementation
public:
	void ShowPropertyPage();
	virtual ~CTangramCntrItem();
	virtual BOOL OnDraw(CDC* pDC, CSize& rSize);

#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

	// Generated message map functions
protected:
	//{{AFX_MSG(CTangramCntrItem)
		// NOTE - the ClassWizard will add and remove member functions here.
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
	// Interface Maps
	DECLARE_INTERFACE_MAP()

	BEGIN_INTERFACE_PART(OleIPSiteEx, IOleInPlaceSite)
		INIT_INTERFACE_PART(COleClientItem, OleIPSiteEx)
		STDMETHOD(GetWindow)(HWND*);
		STDMETHOD(ContextSensitiveHelp)(BOOL);
		STDMETHOD(CanInPlaceActivate)();
		STDMETHOD(OnInPlaceActivate)();
		STDMETHOD(OnUIActivate)();
		STDMETHOD(GetWindowContext)(LPOLEINPLACEFRAME*,
			LPOLEINPLACEUIWINDOW*, LPRECT, LPRECT, LPOLEINPLACEFRAMEINFO);
		STDMETHOD(Scroll)(SIZE);
		STDMETHOD(OnUIDeactivate)(BOOL);
		STDMETHOD(OnInPlaceDeactivate)();
		STDMETHOD(DiscardUndoState)();
		STDMETHOD(DeactivateAndUndo)();
		STDMETHOD(OnPosRectChange)(LPCRECT);
	END_INTERFACE_PART(OleIPSiteEx)
public:
	virtual void OnInsertMenus(CMenu* pMenuShared, LPOLEMENUGROUPWIDTHS lpMenuWidths);
};