notexpaddoc.cpp

来自「数控仿真与网络控制系统(雏形)」· C++ 代码 · 共 147 行

// NoteXpadDoc.cpp : implementation of the CNoteXpadDoc class
//

#include "stdafx.h"
#include "NoteXpad.h"

#include "NoteXpadDoc.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern CString CURRENT_FILE;
extern BOOL CHANGED;
/////////////////////////////////////////////////////////////////////////////
// CNoteXpadDoc

IMPLEMENT_DYNCREATE(CNoteXpadDoc, CDocument)

BEGIN_MESSAGE_MAP(CNoteXpadDoc, CDocument)
	//{{AFX_MSG_MAP(CNoteXpadDoc)
	ON_UPDATE_COMMAND_UI(ID_SELECT_ALL, OnUpdateSelectAll)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CNoteXpadDoc construction/destruction

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

}

CNoteXpadDoc::~CNoteXpadDoc()
{
}

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

	((CEditView*)m_viewList.GetHead())->SetWindowText(NULL);

	//Set value of global string CURRENT_FILE to Untitled
	CURRENT_FILE = "Untitled";
	CDocument::SetTitle("Untitled");

	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CNoteXpadDoc serialization

void CNoteXpadDoc::Serialize(CArchive& ar)
{
	// CEditView contains an edit control which handles all serialization
	((CEditView*)m_viewList.GetHead())->SerializeRaw(ar);
}

/////////////////////////////////////////////////////////////////////////////
// CNoteXpadDoc diagnostics

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

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

/////////////////////////////////////////////////////////////////////////////
// CNoteXpadDoc commands

BOOL CNoteXpadDoc::OnOpenDocument(LPCTSTR lpszPathName) 
{
	if (!CDocument::OnOpenDocument(lpszPathName))
		return FALSE;

	//Set value of global string CURRENT_FILE to opened document's path
	CURRENT_FILE = lpszPathName;
	//Set global boolean CHANGED to FALSE
	CHANGED = FALSE;
	return TRUE;
}

BOOL CNoteXpadDoc::OnSaveDocument(LPCTSTR lpszPathName) 
{
	//Set global boolean CHANGED to FALSE
	CHANGED = FALSE;	
	//Set value of global string CURRENT_FILE to saved document's path
	CURRENT_FILE = lpszPathName;
	return CDocument::OnSaveDocument(lpszPathName);
}

void CNoteXpadDoc::SetTitle(LPCTSTR lpszTitle) 
{
	//Set title of document to global string CURRENT_FILE
	lpszTitle = CURRENT_FILE;
	if (CURRENT_FILE == "")
	{
		CDocument::SetTitle(lpszTitle);
		return;
	}
	CDocument::SetTitle(lpszTitle);
}


BOOL CNoteXpadDoc::SaveModified() 
{
	
	BOOL THEBOOL = CDocument::SaveModified();

	if (!THEBOOL)
	{
	CHANGED = FALSE;
	}
	
	return THEBOOL;
}

void CNoteXpadDoc::OnUpdateSelectAll(CCmdUI* pCmdUI) 
{
	/*Disables/Enables the Select All Menu according
	to the status of the view.*/

	CFrameWnd* theFrame  = (CFrameWnd*)AfxGetMainWnd();
	CEdit* theEdit = (CEdit*)theFrame->GetActiveView();

	if (theEdit->GetWindowTextLength() == 0)
	{
		pCmdUI->Enable(FALSE);
	}
	else
	{
		pCmdUI->Enable(TRUE);
	}
}