filteredit.cpp

本程序源码是为日本一家地震监测机构编写的

// FilterEdit.cpp : implementation file
//

#include "stdafx.h"
#include "FilterEdit.h"

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

/////////////////////////////////////////////////////////////////////////////
// CFilterEdit

CFilterEdit::CFilterEdit()
{
	m_uMode = FT_NOLIMIT;
	m_bShow = FALSE;
}

CFilterEdit::~CFilterEdit()
{	
}


BEGIN_MESSAGE_MAP(CFilterEdit, CEdit)
	//{{AFX_MSG_MAP(CFilterEdit)
	ON_WM_CHAR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFilterEdit message handlers
//

void CFilterEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	//check mode
	if(m_uMode == FT_NOLIMIT || nChar == VK_BACK)
	{
		CEdit::OnChar(nChar, nRepCnt, nFlags);
		return;
	}

	//chect filter	
	BOOL bfind(FALSE);
	for(int i = 0; i < m_strFilter.GetLength(); i++)
	{
		if(nChar == UINT(m_strFilter.GetAt(i)))
		{
			bfind = TRUE;
			break;
		}
	}

	if(m_uMode == FT_ALLOW && !bfind)
	{
		OnWarning();
		return;
	}
	if(m_uMode == FT_DISALLOW && bfind)
	{
		OnWarning();
		return;
	}

	//check input limits
	CString strTitle;
	GetWindowText(strTitle);
	int ncount = strTitle.Remove(nChar);
	for(i = 0; i < m_InputLimitArray.GetSize(); i++)
	{
		if(UINT(m_InputLimitArray.GetAt(i).nchar) == nChar &&
			int(m_InputLimitArray.GetAt(i).nlimit) <= ncount)
		{
			OnWarning();
			return;
		}
	}

	CEdit::OnChar(nChar, nRepCnt, nFlags);
}

void CFilterEdit::SetMode(UINT uMode)
{
	m_uMode = uMode;
}

void CFilterEdit::SelectStockType(UINT uType)
{
	m_strFilter.Empty();
	m_InputLimitArray.RemoveAll();
	InputLimit tempItem;
	switch(uType)
	{
	case FE_NUMBER:
		m_strFilter = "0123456789";
		m_uMode = FT_ALLOW;
		break;
	case FE_LOWERCASE:
		m_strFilter = "abcdefghijklmnopqrstuvwxyz";
		m_uMode = FT_ALLOW;
		break;
	case FE_UPPERCASE:
		m_strFilter = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
		m_uMode = FT_ALLOW;
		break;
	case FE_CHARACTER:
		m_strFilter = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
		m_uMode = FT_ALLOW;
		break;
	case FDT_FLOAT:
		m_strFilter = "0123456789-.";
		tempItem.nchar  = '.';
		tempItem.nlimit = 1;
		m_InputLimitArray.Add(tempItem);
		tempItem.nchar  = '-';
		tempItem.nlimit = 1;
		m_InputLimitArray.Add(tempItem);
		m_uMode = FT_ALLOW;
		break;
	case FDT_INTEGER:
		m_strFilter = "0123456789";
		tempItem.nchar  = '-';
		tempItem.nlimit = 1;
		m_InputLimitArray.Add(tempItem);
		m_uMode = FT_ALLOW;
		break;
	default:;
	}
}

void CFilterEdit::ModifyFilter(CString strRemove, CString strAdd)
{
	ModifyFilter(strRemove, strAdd, m_uMode);
}

void CFilterEdit::ModifyFilter(CString strRemove, CString strAdd, UINT uMode)
{
	//Remove Codes
	for(int i = 0; i < strRemove.GetLength(); i++)
	{
		m_strFilter.Remove(strRemove.GetAt(i));
		for(int j = 0; j < m_InputLimitArray.GetSize(); j++)
		{
			if(strRemove.GetAt(i) == m_InputLimitArray.GetAt(j).nchar)
			{
				m_InputLimitArray.RemoveAt(j);
			}
		}
	}
	//Add Codes
	for(i = 0; i < strAdd.GetLength(); i++)
	{
		if(m_strFilter.Find(strAdd.GetAt(i)) == -1)
			m_strFilter += strAdd.GetAt(i);
	}	
	//Set Mode
	m_uMode = uMode;
}

void CFilterEdit::SetFilter(const CString& strKey, UINT uMode)
{
	m_strFilter = strKey;
	m_uMode     = uMode;
}

void CFilterEdit::AddInputLimit(const CString& strKey, unsigned int nlimit)
{
	InputLimit tempItem;
	for(int i = 0; i < strKey.GetLength(); i++)
	{
		ModifyFilter(strKey.GetAt(i),strKey.GetAt(i));
		tempItem.nchar  = strKey.GetAt(i);
		tempItem.nlimit = nlimit;
		m_InputLimitArray.Add(tempItem);
	}
}

void CFilterEdit::ClearInputLimit()
{
	m_InputLimitArray.RemoveAll();
}

void CFilterEdit::SetWarnMessageBox(CString strWarning, CString strCaption, BOOL bShow /*= TRUE*/)
{
	m_bShow = bShow;
	m_strWarning = strWarning;
	m_strCaption = strCaption;
}

void CFilterEdit::OnWarning()
{
	MessageBeep(MB_OK);
	if(m_bShow)
		MessageBox(m_strWarning,m_strCaption,MB_OK);
}

CString CFilterEdit::GetClassImformation()
{
	CString strLimit;
	CString strLine;
	strLimit.Empty();

	for(int i = 0; i < m_InputLimitArray.GetSize(); i++)
	{
		strLine.Format(_T("(%c,%d)"),m_InputLimitArray.GetAt(i).nchar,m_InputLimitArray.GetAt(i).nlimit);
		strLimit += strLine;
	}

	CString strIm;
	strIm.Format(_T("Filter:%s\r\nLimits:%s"),m_strFilter,strLimit);
	return strIm;
}