testundodoc.cpp

实现撤销和恢复功能得远吗

// TestUndoDoc.cpp : implementation of the CTestUndoDoc class
//

#include "stdafx.h"
#include "TestUndo.h"

#include "TestUndoDoc.h"
#include "MyObjCommand.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTestUndoDoc

IMPLEMENT_DYNCREATE(CTestUndoDoc, CDocument)

BEGIN_MESSAGE_MAP(CTestUndoDoc, CDocument)
	//{{AFX_MSG_MAP(CTestUndoDoc)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestUndoDoc construction/destruction

CTestUndoDoc::CTestUndoDoc()
{
	// TODO: add one-time construction code here

}

CTestUndoDoc::~CTestUndoDoc()
{
}

BOOL CTestUndoDoc::OnNewDocument()
{
	if (!CDocument::OnNewDocument())
		return FALSE;

	// TODO: add reinitialization code here
	// (SDI documents will reuse this document)

	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CTestUndoDoc serialization

void CTestUndoDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: add storing code here
	}
	else
	{
		// TODO: add loading code here
	}
}

/////////////////////////////////////////////////////////////////////////////
// CTestUndoDoc diagnostics

#ifdef _DEBUG
void CTestUndoDoc::AssertValid() const
{
	CDocument::AssertValid();
}

void CTestUndoDoc::Dump(CDumpContext& dc) const
{
	CDocument::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CTestUndoDoc commands

void CTestUndoDoc::AddMyObject( CPoint point )
{
	CRect  rect(point.x,point.y,point.x+10,point.y+10);

	CMyObjCommand * pCmd = new CMyObjCommand(this, 0, NULL, rect );
	m_undoManager.DoCommand( pCmd );
}

void CTestUndoDoc::ModObj( CRect rect, CMyObject * pObj )
{
	CMyObjCommand * pCmd = new CMyObjCommand(this, 1, pObj, rect );
	m_undoManager.DoCommand( pCmd );
}