www.pudn.com > vistaListCtrlDemo.zip > ListDate.h

 
#pragma once 
 
#include "ListTypes.h" 
 
#define DATE_STRING					32 
 
class CListDate : public CWindowImpl< CListDate, CDateTimePickerCtrl > 
{ 
public: 
	CListDate() 
	{ 
		m_nItem = NULL_ITEM; 
		m_nSubItem = NULL_SUBITEM; 
		m_nFlags = ITEM_FLAGS_NONE; 
		m_nExitChar = 0; 
	} 
	 
	~CListDate() 
	{ 
	} 
 
protected: 
	int m_nItem; 
	int m_nSubItem; 
	UINT m_nFlags; 
	TCHAR m_nExitChar; 
	CFont m_fntDateFont; 
	 
public: 
	BOOL Create( HWND hWndParent, int nItem, int nSubItem, CRect& rcRect, UINT nFlags, SYSTEMTIME& stItemDate ) 
	{ 
		m_nItem = nItem; 
		m_nSubItem = nSubItem; 
		m_nFlags = nFlags; 
		m_nExitChar = 0; 
		 
		// destroy old date control... 
		if ( IsWindow() ) 
			DestroyWindow(); 
			 
		DWORD dwStyle = WS_CHILD | WS_CLIPCHILDREN; 
		 
		if ( nFlags & ITEM_FLAGS_DATETIME_NONE ) 
			dwStyle |= DTS_SHOWNONE; 
		 
		if ( nFlags & ITEM_FLAGS_TIME_ONLY ) 
			dwStyle |= DTS_UPDOWN; 
		 
		// create date-time control 
		if ( CWindowImpl< CListDate, CDateTimePickerCtrl >::Create( hWndParent, CRect( rcRect.left + 3, rcRect.top + 2, rcRect.right - 3, rcRect.bottom - 2 ), NULL, dwStyle ) == NULL ) 
			return FALSE; 
		 
		// remove border 
		ModifyStyleEx( WS_EX_CLIENTEDGE, 0, SWP_FRAMECHANGED ); 
		 
		// get system message font 
		CLogFont logFont; 
		logFont.SetMessageBoxFont(); 
		if ( !m_fntDateFont.IsNull() ) 
			m_fntDateFont.DeleteObject(); 
		if ( m_fntDateFont.CreateFontIndirect( &logFont ) == NULL ) 
			return FALSE; 
		SetMonthCalFont( m_fntDateFont ); 
		SetFont( m_fntDateFont ); 
		 
		TCHAR szDateFormat[ DATE_STRING ]; 
		GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_SSHORTDATE, szDateFormat, DATE_STRING ); 
		 
		TCHAR szTimeFormat[ DATE_STRING ]; 
		GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, szTimeFormat, DATE_STRING ); 
		 
		if ( nFlags & ITEM_FLAGS_DATE_ONLY ) 
			SetFormat( szDateFormat ); 
		else if ( nFlags & ITEM_FLAGS_TIME_ONLY ) 
			SetFormat( szTimeFormat ); 
		else 
			SetFormat( CString( szDateFormat ) + _T( " " ) + CString( szTimeFormat ) ); 
		 
		// get current date if setting time-only 
		if ( nFlags & ITEM_FLAGS_TIME_ONLY ) 
		{ 
			SYSTEMTIME stCurrentDate; 
			if ( GetSystemTime( &stCurrentDate ) == GDT_VALID ) 
			{ 
				stItemDate.wYear = stCurrentDate.wYear; 
				stItemDate.wMonth = stCurrentDate.wMonth; 
				stItemDate.wDay = stCurrentDate.wDay; 
			} 
		} 
		 
		SetSystemTime( ( !( nFlags & ITEM_FLAGS_TIME_ONLY ) && stItemDate.wYear == 0 ) ? GDT_NONE : GDT_VALID, &stItemDate ); 
		 
		// show date-time control 
		ShowWindow( SW_SHOW ); 
		 
		SetFocus(); 
		 
		return TRUE; 
	} 
		 
	BEGIN_MSG_MAP_EX(CListDate) 
		MSG_WM_KILLFOCUS(OnKillFocus) 
		REFLECTED_NOTIFY_CODE_HANDLER_EX(DTN_CLOSEUP, OnCloseUp) 
		MSG_WM_GETDLGCODE(OnGetDlgCode) 
		MSG_WM_CHAR(OnChar) 
		DEFAULT_REFLECTION_HANDLER() 
	END_MSG_MAP_EX() 
	 
	void OnKillFocus( HWND hNewWnd ) 
	{ 
		// have we dropped down the calendar control? 
		if ( hNewWnd != NULL && GetMonthCal() == hNewWnd ) 
			return; 
		 
		// have we selected a new date from the calendar control? 
		if ( GetFocus() == m_hWnd ) 
			return; 
		 
		// hide calendar control in case it's not closed by losing focus 
		if ( GetMonthCal().IsWindow() ) 
			GetMonthCal().ShowWindow( SW_HIDE ); 
		 
		CWindow wndParent( GetParent() ); 
		if ( wndParent.IsWindow() ) 
		{ 
			SYSTEMTIME stItemDate; 
			BOOL bValidDate = ( GetSystemTime( &stItemDate ) == GDT_VALID ); 
			if ( !bValidDate ) 
				ZeroMemory( &stItemDate, sizeof( SYSTEMTIME ) ); 
			 
			if ( m_nFlags & ITEM_FLAGS_DATE_ONLY ) 
			{ 
				stItemDate.wHour = 0; 
				stItemDate.wMinute = 0; 
				stItemDate.wSecond = 0; 
				stItemDate.wMilliseconds = 0; 
			} 
			 
			if ( m_nFlags & ITEM_FLAGS_TIME_ONLY ) 
			{ 
				stItemDate.wYear = 0; 
				stItemDate.wMonth = 0; 
				stItemDate.wDay = 0; 
				stItemDate.wDayOfWeek = 0;				 
			} 
				 
			CListNotify listNotify; 
			listNotify.m_hdrNotify.hwndFrom = m_hWnd; 
			listNotify.m_hdrNotify.idFrom = GetDlgCtrlID(); 
			listNotify.m_hdrNotify.code = LCN_ENDEDIT; 
			listNotify.m_nItem = m_nItem; 
			listNotify.m_nSubItem = m_nSubItem; 
			listNotify.m_nExitChar = m_nExitChar; 
			listNotify.m_lpszItemText = bValidDate ? _T( "1" ) : _T( "0" ); 
			listNotify.m_lpItemDate = &stItemDate; 
 
			// forward notification to parent 
			FORWARD_WM_NOTIFY( wndParent, listNotify.m_hdrNotify.idFrom, &listNotify.m_hdrNotify, ::SendMessage ); 
		} 
		 
		ShowWindow( SW_HIDE ); 
	} 
	 
	LRESULT OnCloseUp( LPNMHDR lpNMHDR ) 
	{ 
		SetMsgHandled( FALSE ); 
		SetFocus(); 
		return TRUE; 
	} 
	 
	UINT OnGetDlgCode( LPMSG lpMessage ) 
	{ 
		return DLGC_WANTALLKEYS; 
	} 
	 
	void OnChar( TCHAR nChar, UINT nRepCnt, UINT nFlags ) 
	{ 
		switch ( nChar ) 
		{ 
			case VK_TAB: 
			case VK_RETURN: 
			case VK_ESCAPE:	{ 
								m_nExitChar = nChar; 
								CWindow wndParent( GetParent() ); 
								if ( wndParent.IsWindow() ) 
									wndParent.SetFocus(); 
							} 
							break; 
			default:		SetMsgHandled( FALSE ); 
							break; 
		} 
	} 
};