viewerview.cpp

文字统计的功能

// ViewerView.cpp : implementation of the CViewerView class
//

#include "stdafx.h"
#include "Viewer.h"

#include "ViewerDoc.h"
#include "ViewerView.h"
#include "DLGState.h"

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

/////////////////////////////////////////////////////////////////////////////
// CViewerView

IMPLEMENT_DYNCREATE(CViewerView, CScrollView)

BEGIN_MESSAGE_MAP(CViewerView, CScrollView)
	//{{AFX_MSG_MAP(CViewerView)
	ON_COMMAND(ID_BUTTON_STAT, OnButtonStat)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CScrollView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CScrollView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CScrollView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CViewerView construction/destruction

CViewerView::CViewerView()
{
	// TODO: add construction code here

}

CViewerView::~CViewerView()
{
}

BOOL CViewerView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CScrollView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CViewerView drawing

void CViewerView::OnDraw(CDC* pDC)
{
	CViewerDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here

	DispContent(pDC);//显示读入的文档
}

void CViewerView::OnInitialUpdate()
{
	CScrollView::OnInitialUpdate();

	CSize sizeTotal;
	// TODO: calculate the total size of this view
	sizeTotal.cx = sizeTotal.cy = 100;
	SetScrollSizes(MM_TEXT, sizeTotal);
}

/////////////////////////////////////////////////////////////////////////////
// CViewerView printing

BOOL CViewerView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CViewerView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CViewerView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CViewerView diagnostics

#ifdef _DEBUG
void CViewerView::AssertValid() const
{
	CScrollView::AssertValid();
}

void CViewerView::Dump(CDumpContext& dc) const
{
	CScrollView::Dump(dc);
}

CViewerDoc* CViewerView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CViewerDoc)));
	return (CViewerDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CViewerView message handlers

void CViewerView::DispContent(CDC* pDC)
{
	CViewerDoc* pDoc = GetDocument();
	int nLines = pDoc->m_strContent.GetSize();
	
	if(nLines<1)
		return;

	CSize sizeLine = pDC->GetTextExtent("A");//获取字符串的宽度和高度
	int nTabChars = 4*sizeLine.cx;           //设置一个Tab符等于4个字符
	int y=0;         //行位置
	CString str;

	int nWidthMax = 0;
	
	for(int i=0;i<nLines;i++)
	{
		str = pDoc->m_strContent.GetAt(i);
		CSize size = pDC->TabbedTextOut(0,y,str,1,&nTabChars,0);
		y = y+sizeLine.cy;

		if(nWidthMax < size.cx)
			nWidthMax = size.cx;
	}

	SetScrollSizes(MM_TEXT,CSize(nWidthMax,y));
}

void CViewerView::OnButtonStat() 
{
	// TODO: Add your command handler code here
	CViewerDoc* pDoc = GetDocument();
	int nLines = pDoc->m_strContent.GetSize();
	if(nLines<1)
		return;

	CString strline;
	char ch;
	bool chBOOL = true;//true表示字符是单词首字符，
	long num_char = 0, num_C = 0, num_E = 0;

	for(int i=0;i<nLines;i++)
	{
		strline = pDoc->m_strContent.GetAt(i);
			for(int j =0; j< strline.GetLength(); j++)
			{
				num_char = num_char + 1;
				ch = strline.GetAt(j);
				if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))  //该字符为字母
				{
					if(chBOOL)
					{
						num_E = num_E+1;
					 }
					chBOOL = false;
				}
				else
				{
					chBOOL = true;
				}

			    if(ch<0)//为汉字
				{
				   num_C = num_C+1;
				   j++;
				}
		
			}
	}

	 CDLGState dlg;
	 dlg.m_char = num_char;
	 dlg.m_numch = num_C;
	 dlg.m_numen = num_E;
	 dlg.DoModal();
}