squaresdoc.cpp

这是MFC Windows程序设计（第2版）书上的代码。第11章

// SquaresDoc.cpp : implementation of the CSquaresDoc class
//

#include "stdafx.h"
#include "MdiSquares.h"

#include "SquaresDoc.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSquaresDoc

IMPLEMENT_DYNCREATE(CSquaresDoc, CDocument)

BEGIN_MESSAGE_MAP(CSquaresDoc, CDocument)
	//{{AFX_MSG_MAP(CSquaresDoc)
	ON_COMMAND(ID_COLOR_RED, OnColorRed)
	ON_COMMAND(ID_COLOR_YELLOW, OnColorYellow)
	ON_COMMAND(ID_COLOR_GREEN, OnColorGreen)
	ON_COMMAND(ID_COLOR_CYAN, OnColorCyan)
	ON_COMMAND(ID_COLOR_BLUE, OnColorBlue)
	ON_COMMAND(ID_COLOR_WHITE, OnColorWhite)
	ON_UPDATE_COMMAND_UI(ID_COLOR_RED, OnUpdateColorRed)
	ON_UPDATE_COMMAND_UI(ID_COLOR_YELLOW, OnUpdateColorYellow)
	ON_UPDATE_COMMAND_UI(ID_COLOR_GREEN, OnUpdateColorGreen)
	ON_UPDATE_COMMAND_UI(ID_COLOR_CYAN, OnUpdateColorCyan)
	ON_UPDATE_COMMAND_UI(ID_COLOR_BLUE, OnUpdateColorBlue)
	ON_UPDATE_COMMAND_UI(ID_COLOR_WHITE, OnUpdateColorWhite)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSquaresDoc construction/destruction

CSquaresDoc::CSquaresDoc()
{
}

CSquaresDoc::~CSquaresDoc()
{
}

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

	for (int i=0; i<4; i++)
		for (int j=0; j<4; j++)
			m_clrGrid[i][j] = RGB (255, 255, 255);

	m_clrCurrentColor = RGB (255, 0, 0);
	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CSquaresDoc serialization

void CSquaresDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		for (int i=0; i<4; i++)
			for (int j=0; j<4; j++)
				ar << m_clrGrid[i][j];
		ar << m_clrCurrentColor;
	}
	else
	{
		for (int i=0; i<4; i++)
			for (int j=0; j<4; j++)
				ar >> m_clrGrid[i][j];
		ar >> m_clrCurrentColor;
	}
}

/////////////////////////////////////////////////////////////////////////////
// CSquaresDoc diagnostics

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

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

/////////////////////////////////////////////////////////////////////////////
// CSquaresDoc commands

COLORREF CSquaresDoc::GetCurrentColor()
{
	return m_clrCurrentColor;
}

COLORREF CSquaresDoc::GetSquare(int i, int j)
{
	ASSERT (i >= 0 && i <= 3 && j >= 0 && j <= 3);
	return m_clrGrid[i][j];
}

void CSquaresDoc::SetSquare(int i, int j, COLORREF color)
{
	ASSERT (i >= 0 && i <= 3 && j >= 0 && j <= 3);
	m_clrGrid[i][j] = color;
	SetModifiedFlag (TRUE);
	UpdateAllViews (NULL);
}

void CSquaresDoc::OnColorRed() 
{
	m_clrCurrentColor = RGB (255, 0, 0);	
}

void CSquaresDoc::OnColorYellow() 
{
	m_clrCurrentColor = RGB (255, 255, 0);	
}

void CSquaresDoc::OnColorGreen() 
{
	m_clrCurrentColor = RGB (0, 255, 0);	
}

void CSquaresDoc::OnColorCyan() 
{
	m_clrCurrentColor = RGB (0, 255, 255);	
}

void CSquaresDoc::OnColorBlue() 
{
	m_clrCurrentColor = RGB (0, 0, 255);	
}

void CSquaresDoc::OnColorWhite() 
{
	m_clrCurrentColor = RGB (255, 255, 255);	
}

void CSquaresDoc::OnUpdateColorRed(CCmdUI* pCmdUI) 
{
	pCmdUI->SetRadio (m_clrCurrentColor == RGB (255, 0, 0));	
}

void CSquaresDoc::OnUpdateColorYellow(CCmdUI* pCmdUI) 
{
	pCmdUI->SetRadio (m_clrCurrentColor == RGB (255, 255, 0));	
}

void CSquaresDoc::OnUpdateColorGreen(CCmdUI* pCmdUI) 
{
	pCmdUI->SetRadio (m_clrCurrentColor == RGB (0, 255, 0));	
}

void CSquaresDoc::OnUpdateColorCyan(CCmdUI* pCmdUI) 
{
	pCmdUI->SetRadio (m_clrCurrentColor == RGB (0, 255, 255));	
}

void CSquaresDoc::OnUpdateColorBlue(CCmdUI* pCmdUI) 
{
	pCmdUI->SetRadio (m_clrCurrentColor == RGB (0, 0, 255));	
}

void CSquaresDoc::OnUpdateColorWhite(CCmdUI* pCmdUI) 
{
	pCmdUI->SetRadio (m_clrCurrentColor == RGB (255, 255, 255));	
}