basedialog.cpp

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// BaseDialog.cpp: implementation of the CBaseDialog class.
//
//////////////////////////////////////////////////////////////////////

//#include "stdafx.h"
#include "BaseDialog.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////


CBaseDialog::CBaseDialog(int nResId, HWND hParent)
{


	m_nResId = nResId;
	m_hParent = hParent;


}

CBaseDialog::~CBaseDialog()
{
	m_hWnd = NULL;

}
extern HINSTANCE hInst;
int CBaseDialog::DoModal(void)
{
//	m_hWnd=CreateDialogParam(hInst,  MAKEINTRESOURCE(m_nResId), m_hParent,
//                   (DLGPROC)DialogProcStatic, (long)this );
//	if(m_hWnd==NULL)return -1;

	 return DialogBoxParam(hInst,  MAKEINTRESOURCE(m_nResId), m_hParent,
                   (DLGPROC)DialogProcStatic, (long)this );

}

void CBaseDialog::AddMessageHandler(UINT MessageId, void(CBaseDialog::*MsgHandler)(HWND hDlg,WPARAM wParam,LPARAM lParam))
{
	t_MessageEntry MessageEntry;
	MessageEntry.MsgHandler = MsgHandler;

	m_MessageMap.insert(std::map<UINT,t_MessageEntry>::value_type(MessageId, MessageEntry)); /// insert key & data to map
}

BOOL CALLBACK CBaseDialog::DialogProcStatic(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	if ( message == WM_CREATE )
	{
		CBaseDialog *pObj = reinterpret_cast<CBaseDialog *>
			((long)((LPCREATESTRUCT)lParam)->lpCreateParams);

		if(pObj)
		{
		::SetWindowLong( hDlg, GWL_USERDATA,
			(LONG)((LPCREATESTRUCT)lParam)->lpCreateParams );
		pObj->m_hWnd = hDlg;
		pObj->DlgFlag = FALSE;
		}
	}
	if ( message == WM_INITDIALOG )
	{
		CBaseDialog *pObj = reinterpret_cast<CBaseDialog *>(lParam);
		if(pObj)
		{
		::SetWindowLong( hDlg, GWL_USERDATA, lParam );
		pObj->m_hWnd = hDlg;
		pObj->DlgFlag = TRUE;
		}
	}
	LRESULT lResult;

	// Retrieve the pointer
	CBaseDialog *pObj = (CBaseDialog *)::GetWindowLong( hDlg, GWL_USERDATA );

	// call the virtual window procedure for the object stored in the 
	// windows user data
	if ( pObj )
		lResult = pObj->DialogProc( hDlg, message, wParam, lParam );
	else
		return  false;


	//lResult = DefDlgProc( hDlg, message, wParam, lParam );

	return lResult;    
}

BOOL CALLBACK CBaseDialog::DialogProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	m_MessageMapIterator = m_MessageMap.find(message); /// find message entry by key

	if(m_MessageMapIterator == m_MessageMap.end()) /// check if message entry available
	{
		return FALSE;
	}
	else
	{
		t_MessageEntry MessageEntry = (*m_MessageMapIterator).second; /// dereference iterator and get message entry

		void (CBaseDialog::*MessageHandler)(HWND hDlg,WPARAM wParam,LPARAM lParam);

		MessageHandler = MessageEntry.MsgHandler;

		(this->*MessageHandler)(hDlg, wParam, lParam); /// execute function

		return TRUE;
	}
}

void CBaseDialog::OnOK(void)
{
	EndDialog(m_hWnd, IDOK);
}

void CBaseDialog::OnCancel(void)
{
	EndDialog(m_hWnd, IDCANCEL);
}