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Develop MFC Doc/View Application Which Supports Any Number Document Template

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2 Jun 20052 min read 36.5K   1.7K   26  
This article provides an introduction to TangramLittle, a C++ Framework for MFC and the .NET Framework. Knowledge in MFC and the .NET Framework is assumed.
#include "StdAfx.h"
#include "[!output PROJECT_NAME]DocObject.h"
#include "[!output PROJECT_NAME]Doc.h"
#include "ManagedObj.h"

[!output PROJECT_NAME]::[!output PROJECT_NAME]DocObject::[!output PROJECT_NAME]DocObject(void)
{
	theApp.m_pManagedCnnObj = this;
	m_pDoc = (C[!output PROJECT_NAME]Doc*)theApp.m_pCurDoc;
	m_pMainCtrl = new MainCtrl();
	set_PrjItem(S"MainCtrl", m_pMainCtrl);
}

[!output PROJECT_NAME]::[!output PROJECT_NAME]DocObject::~[!output PROJECT_NAME]DocObject(void)
{
}

void [!output PROJECT_NAME]::[!output PROJECT_NAME]DocObject::OnNewDocument()
{
}

void [!output PROJECT_NAME]::[!output PROJECT_NAME]DocObject::OnOpenDocument()
{
}

void [!output PROJECT_NAME]::[!output PROJECT_NAME]DocObject::Connect(Object* pCtrlObj, String* strObjName)
{
	//insert object into object dictionary,thus other component can
	//using this object through the property "PrjItem" of a document object:
	set_PrjItem(strObjName, pCtrlObj);
	//you can convert pCtrlObj to some proper object like this:
	//somenamespace::someobj* pNewCtrlObj = __try_cast<somenamespace::someobj*>(pCtrlObj);
	//if you want to hook event for this object,you can do like this:
	//if(strObjName == S"somename")
	//{
	//	pNewCtrlObj->add_SomeEvet(new System::EventHandler(this,OnSomeFunctionInThisObject));
	//}

	//if there exists an external document object, we pass pCtrlObj to this external document object,
	//the provider of external document object can get pCtrlObj in the following manner:
	if(m_pExternalDocObj)
	{
		Type* t = m_pExternalDocObj->GetType();
		MethodInfo* mi = t->GetMethod(S"Connect");
		Object* p[] = new Object*[2];
		p[0] = pCtrlObj;
		p[1] = strObjName;
		mi->Invoke(m_pExternalDocObj,p);
	}
}

//Sample Properties implement:
String* [!output PROJECT_NAME]::[!output PROJECT_NAME]DocObject::get_Caption() 
{ 
	if(m_pDoc)
	{
		String* strCaption = m_pDoc->GetTitle();
		return strCaption; 
	}
	return S"";
}

void [!output PROJECT_NAME]::[!output PROJECT_NAME]DocObject::set_Caption(String* newCaption)
{
	if(m_pDoc)
	{
		CString strCaption = theApp.StringToCStr(newCaption);
		m_pDoc->SetTitle(LPCTSTR(strCaption));
	}
}

void [!output PROJECT_NAME]::[!output PROJECT_NAME]DocObject::set_PrjItem(String* strIndex, Object* value) 
{ 
	CString m_strDocIndex = theApp.StringToCStr(strIndex);
	m_strDocIndex.MakeLower();
	CManagedObj* m_pManagedObj = NULL;
	if(!m_pDoc->m_PrjItemDictionary.Lookup(LPCTSTR(m_strDocIndex),(CObject*&)m_pManagedObj))
	{
		m_pManagedObj = new CManagedObj();
		m_pManagedObj -> m_pManagedObj = value;
		m_pDoc->m_PrjItemDictionary.SetAt(m_strDocIndex, m_pManagedObj);
	}
}

Object* [!output PROJECT_NAME]::[!output PROJECT_NAME]DocObject::get_PrjItem(String* strIndex) 
{ 
	CString m_strDocIndex = theApp.StringToCStr(strIndex);
	m_strDocIndex.MakeLower();
	CManagedObj* m_pManagedObj = NULL;
	if(m_pDoc->m_PrjItemDictionary.Lookup(LPCTSTR(m_strDocIndex),(CObject*&)m_pManagedObj))
		return m_pManagedObj->m_pManagedObj;
	return NULL;
}

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