日期时间类CDateTimeEidt

// DateTimeEidt.cpp : implementation file // #include "stdafx.h" #include "DateTimeEidt.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CDateTimeEidt CDateTimeEidt::CDateTimeEidt() { m_bInit = FALSE; m_nPos = 0; m_bEnable = TRUE; } CDateTimeEidt::~CDateTimeEidt() { } BEGIN_MESSAGE_MAP(CDateTimeEidt, CEdit) //{{AFX_MSG_MAP(CDateTimeEidt) ON_WM_KEYDOWN() ON_WM_CHAR() ON_WM_SIZE() ON_WM_LBUTTONUP() ON_WM_MOUSEWHEEL() ON_WM_CTLCOLOR_REFLECT() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDateTimeEidt message handlers BOOL CDateTimeEidt::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID) { return CWnd::Create("EDIT", NULL, dwStyle, rect, pParentWnd, nID, NULL); } void CDateTimeEidt::PreSubclassWindow() { ModifyStyle(0, WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_NOHIDESEL | ES_MULTILINE | ES_READONLY);//归整样式 SetWindowText(" - - : : "); //垂直居中,必须有多行样式 CRect rc; GetClientRect(&rc); CDC* pDC = GetDC(); TEXTMETRIC tm; pDC->GetTextMetrics(&tm); RECT rect = {0, rc.Height() - tm.tmHeight, rc.Width(), rc.Height()}; SetRectNP(&rect); CEdit::PreSubclassWindow(); } void CDateTimeEidt::OnSize(UINT nType, int cx, int cy) { CEdit::OnSize(nType, cx, cy); if (::IsWindow(m_hWnd)) {//垂直居中 CDC* pDC = GetDC(); TEXTMETRIC tm; pDC->GetTextMetrics(&tm); RECT rect = {0, cy - tm.tmHeight, cx, cy}; SetRectNP(&rect); } } HBRUSH CDateTimeEidt::CtlColor(CDC* pDC, UINT nCtlColor) { int nIndex = m_bEnable ? COLOR_WINDOW : COLOR_BTNFACE; HBRUSH hbr = ::GetSysColorBrush(nIndex); pDC->SetBkMode(TRANSPARENT); return hbr; } void CDateTimeEidt::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) { if (!m_bEnable) return; //yyyy-mm-dd hh:mm:ss //0123456789012345678 int nStartChar, nEndChar; switch (nChar) { case VK_LEFT: GetSel(nStartChar, nEndChar); if (nStartChar > DTS_YEAR) { m_nPos = SmartSel(nStartChar - 1); } return; case VK_RIGHT: GetSel(nStartChar, nEndChar); if (nEndChar < DTS_SECOND) { m_nPos = SmartSel(nEndChar + 1); } return; case VK_UP: SendMessage(WM_MOUSEWHEEL, MAKEWPARAM(0, WHEEL_DELTA), 0); return; case VK_DOWN: SendMessage(WM_MOUSEWHEEL, MAKEWPARAM(0, - WHEEL_DELTA), 0); return; } CEdit::OnKeyDown(nChar, nRepCnt, nFlags); } void CDateTimeEidt::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) { if (!m_bEnable) return; if (nChar >= '0' && nChar <='9') { //yyyy-mm-dd hh:mm:ss //0123456789012345678 int nStartChar, nEndChar; GetSel(nStartChar, nEndChar); char str[20]; GetWindowText(str, sizeof(str)); memcpy(str + m_nPos, &nChar, 1); SetWindowText(str); SetSel(nStartChar, nEndChar); switch (m_nPos) { case 0: case 1: case 2: case 3: m_nPos = m_nPos < 3 ? ++ m_nPos : DTS_YEAR; break; case 5: case 6: m_nPos = m_nPos < 6 ? ++ m_nPos : DTS_MONTH; break; case 8: case 9: m_nPos = m_nPos < 9 ? ++ m_nPos : DTS_DAY; break; case 11: case 12: m_nPos = m_nPos < 12 ? ++ m_nPos : DTS_HOUR; break; case 14: case 15: m_nPos = m_nPos < 15 ? ++ m_nPos : DTS_MINUTE; break; case 17: case 18: m_nPos = m_nPos < 18 ? ++ m_nPos : DTS_SECOND; break; } return; } CEdit::OnChar(nChar, nRepCnt, nFlags); } BOOL CDateTimeEidt::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt) { if (!m_bEnable) return FALSE; COleDateTime dateSrc; if (!GetDateTime(dateSrc)) return FALSE; int nStartChar, nEndChar; CString str, s; int n; GetSel(nStartChar, nEndChar); GetWindowText(str); s = str.Mid(nStartChar, nEndChar - nStartChar); sscanf(s, "%d", &n); zDelta > 0 ? n -- : n ++; if (n < 0) return FALSE; int nYear = dateSrc.GetYear(); int nMonth = dateSrc.GetMonth(); int nDay = dateSrc.GetDay(); int nHour = dateSrc.GetHour(); int nMin = dateSrc.GetMinute(); int nSec = dateSrc.GetSecond(); switch (nStartChar) { case DTS_YEAR: nYear = n; break; case DTS_MONTH: nMonth = n; break; case DTS_DAY: nDay = n; break; case DTS_HOUR: nHour = n; break; case DTS_MINUTE: nMin = n; break; case DTS_SECOND: nSec = n; break; } dateSrc.SetDateTime(nYear, nMonth, nDay, nHour, nMin, nSec); SetDateTime(dateSrc); SetSel(nStartChar, nEndChar); return TRUE; } void CDateTimeEidt::OnLButtonUp(UINT nFlags, CPoint point) { if (m_bEnable) { if (!m_bInit) {//第一次左键点击 m_bInit = SetDateTime(COleDateTime::GetCurrentTime()); } m_nPos = SmartSel(CharFromPos(point)); } CEdit::OnLButtonUp(nFlags, point); } int CDateTimeEidt::SmartSel(int nPos) { //yyyy-mm-dd hh:mm:ss //0123456789012345678 int nRes = 0;//返回选区的初始位置 switch (nPos) { case 0: case 1: case 2: case 3: case 4: SetSel(DTS_YEAR, DTS_YEAR + 4); nRes = DTS_YEAR; break; case 5: case 6: case 7: SetSel(DTS_MONTH, DTS_MONTH + 2); nRes = DTS_MONTH; break; case 8: case 9: case 10: SetSel(DTS_DAY, DTS_DAY + 2); nRes = DTS_DAY; break; case 11: case 12: case 13: SetSel(DTS_HOUR, DTS_HOUR + 2); nRes = DTS_HOUR; break; case 14: case 15: case 16: SetSel(DTS_MINUTE, DTS_MINUTE + 2); nRes = DTS_MINUTE; break; case 17: case 18: case 19: SetSel(DTS_SECOND, DTS_SECOND + 2); nRes = DTS_SECOND; break; default: nRes = DTS_SECOND; } return nRes; } BOOL CDateTimeEidt::SetDateTime(const COleDateTime& dateSrc) { BOOL bRes = FALSE; if (dateSrc.GetStatus() == COleDateTime::valid) { CString str = dateSrc.Format("%Y-%m-%d %H:%M:%S"); SetWindowText(str); bRes = TRUE; } return bRes; } BOOL CDateTimeEidt::GetDateTime(COleDateTime& dateSrc) { CString str; GetWindowText(str); return dateSrc.ParseDateTime(str); } BOOL CDateTimeEidt::EnableWindow(BOOL bEnable) { BOOL bRes = FALSE; if (m_bEnable != bEnable) { m_bEnable = bEnable; Invalidate(); bRes = TRUE; } return bRes; }