Re: inner class

"Victor Bazarov" <>
Fri, 9 Nov 2007 09:29:10 -0500
mosfet wrote:

here is my problem. I have a base class and two class deriving from it
that I use to handle different UI context.
These classes are used inside another UI class called CMainView

// definition
class UIContext
UIContext(CMainView* pView, LPListInfo_t lpListInfo = NULL) = 0;
virtual ~UIContext();

virtual void DoLayout() = 0;
virtual void SetListView() = 0;
virtual LPListInfo_t GetListInfo();


LPListInfo_t m_lpListInfo;
int m_nItemCount;
CMainView* m_pView;

class UIContextMain : public UIContext
UIContextMain( CMainView* pView );
virtual ~UIContextMain() {}

virtual void DoLayout();
virtual void SetListView();

class UIContextSettings : public UIContext
UIContextSettings( CMainView* pView );
virtual ~UIContextSettings() {}

virtual void DoLayout();
virtual void SetListView();

class CMainView : public CBaseView

UIContext* m_pCurCtx; // Current context
UIContextMain* m_pCtxMain; // Main Context
UIContextSchedule* m_pCtxSchedule; // Scheduling context
UIContextSettings* m_pCtxSettings; // Settings Context


UIContext::UIContext(CMainView* pView, LPListInfo_t lpListInfo)
m_pView = pView;
m_lpListInfo = NULL;

A BAD IDEA(tm). Do not use assignment, use initialisation.


void UIContextMain::SetListView()
CString strText;
CSyncClient* pSyncClient = CSyncClient::GetInstance();

int nIndex = 0;
for (int i = 0; i < m_nItemCount ; i++)
strText = m_pView->GetResText(m_lpListInfo[i].TextId);

The problem with this approach is that I need to use m_pView
everytime I need to access to my CMainView*.

Uh... Yes. How else do you think of accessing it? And what _is_
the problem with using 'm_pView' to access that object?

How can I have a class that can directly access to CMainView members
without having to deference a pointer ?

What would the interface look like? What do you expect that class to
do? How would you call its member functions, and what are they going
to be named?

Please remove capital 'A's when replying by e-mail
I do not respond to top-posted replies, please don't ask

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