multeditdoc.cpp

讲mfc的书

// multeditDoc.cpp : implementation of the CMulteditDoc class
//

#include "stdafx.h"
#include "multedit.h"


#include "multeditDoc.h"
#include "multeditView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMulteditDoc

IMPLEMENT_DYNCREATE(CMulteditDoc, CDocument)

BEGIN_MESSAGE_MAP(CMulteditDoc, CDocument)
        //{{AFX_MSG_MAP(CMulteditDoc)
                // 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()

/////////////////////////////////////////////////////////////////////////////
// CMulteditDoc construction/destruction

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

}

CMulteditDoc::~CMulteditDoc()
{
}

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

        return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CMulteditDoc serialization

void CMulteditDoc::Serialize(CArchive& ar)
{
        // CEditView contains an edit control which handles all serialization
//      ((CEditView*)m_viewList.GetHead())->SerializeRaw(ar);
   CString s="Unimplemented!";
   WriteString(s);
}

/////////////////////////////////////////////////////////////////////////////
// CMulteditDoc diagnostics

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

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

/////////////////////////////////////////////////////////////////////////////
// CMulteditDoc commands

// Process a key
void CMulteditDoc::OnChar(CMulteditView *view0,UINT nChar,
      UINT nRepCnt, UINT nFlags)
{
		int ct;
        CMulteditView *view;
        POSITION pos;
        int st,en,st0,en0;
        view0->GetEditCtrl().GetSel(st,en);
        pos=GetFirstViewPosition();
// Send to all views
        while (view=(CMulteditView *)GetNextView(pos))
			{
			ct=nRepCnt;
			while (ct--)
                {
				int offset=1;
				if (nChar==8) offset=-1; // backspace
				view->GetEditCtrl().GetSel(st0,en0);
				if ((st==st0&&st!=en0)||(st>st0 && st<=en0)) en0+=offset;
				if (st<st0) st0+=offset,en0+=offset;
                view->GetEditCtrl().SetSel(st,en); // set position
                view->DoChar(nChar,1,nFlags); // do it
				if (view!=view0) view->GetEditCtrl().SetSel(st0,en0); // set position back
                }
			}
}


// Write a string to all views (very similar to keystroke code)
void CMulteditDoc::WriteString(char const * s)
{
        CMulteditView *view;
        POSITION pos;
        pos=GetFirstViewPosition();
        while (view=(CMulteditView *)GetNextView(pos))
                {
                int n=view->GetEditCtrl().GetWindowTextLength();
                view->GetEditCtrl().SetSel(n,n);
                view->GetEditCtrl().ReplaceSel(s);
                }
}

// If a view is added, we have to update its buffer!
void CMulteditDoc::OnChangedViewList()
{
        POSITION pos=GetFirstViewPosition();
        CMulteditView *view;
        view=(CMulteditView *)GetNextView(pos);
        if (view)
                {
                CString txt;
                view->GetWindowText(txt); // assume 1st view is OK
                while (view=(CMulteditView *)GetNextView(pos))
                        if (!view->initialized) // if new view
                                {
                                view->SetWindowText(txt); // set it
                                view->initialized=TRUE; // forget it
                                }
                }
        CDocument::OnChangedViewList();
}