mvppresenter.cpp

MVP设计模式在vc下的构件

// MVPPresenter.cpp: implementation of the CMVPPresenter class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"

#include "..\MVP h\MVPPresenter.h"
#include "..\MVP h\MVPModel.h"
#include "..\MVP h\MVPView.h"
#include "..\MVP h\PresenterMediator.h"


#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

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

CMVPPresenter::CMVPPresenter()
{
	m_PMVPModel=NULL;
	m_PMVPView=NULL;
	m_PMediator=NULL;
	return;
}

CMVPPresenter::~CMVPPresenter()
{

}

void CMVPPresenter::SetModelView(CMVPModel* pModel, CMVPView* pView)
{
	m_PMVPModel=pModel;
	m_PMVPView=pView;
}

void CMVPPresenter::OnEvent(int EventID, LPVOID LPdat)
{
	LPVOID r_ModelDat;
	if(m_PMVPModel!=NULL)
	{
		r_ModelDat=m_PMVPModel->CommandEvent(EventID,LPdat);
		if(m_PMVPView!=NULL)
		{
			m_PMVPView->NotifyEvent(EventID,r_ModelDat); 
			if(m_PMediator!=NULL && r_ModelDat!=NULL)
				m_PMediator->PresenterChanged(this,EventID2ChangedID(EventID),r_ModelDat);
		}		
	}
	return;
}

void CMVPPresenter::SetMediator(CPresenterMediator *pPM)
{
	m_PMediator=pPM;
	return;
}

int CMVPPresenter::EventID2ChangedID(int EventID)
{
	return 0;
}

void CMVPPresenter::SetPID(int PID)
{
	m_PID=PID;
}