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Full Arabic User Interface GridCtrl

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1 Feb 2003 83.4K   1.6K   19  
GridCtrl which works from right to left to serve Arabic language.
 
#include "stdafx.h"
#include "CVDateTimeEdit.h"
#include <afxdisp.h>

CVDateTimeEdit::CVDateTimeEdit()
{
	m_strMask = _T("YYYY-MM-DD");
}

CVDateTimeEdit::~CVDateTimeEdit()
{
}

BEGIN_MESSAGE_MAP(CVDateTimeEdit, CEdit)
      ON_WM_CONTEXTMENU()
      //{{AFX_MSG_MAP(CVDateTimeEdit)
      ON_WM_CHAR()
      ON_WM_KEYUP()
      ON_WM_KEYDOWN()
      ON_WM_MOUSEMOVE()	
	//}}AFX_MSG_MAP
	//ON_WM_CREATE()
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVDateTimeEdit message handlers

void CVDateTimeEdit::OnChar(UINT nChar, UINT /*nRepCnt*/, UINT /*nFlags*/) 
{
	CString old;
	GetWindowText(old);
	int pos;
	TCHAR c;
	GetSel(pos, pos);
	switch (nChar)
	{
		case VK_BACK: 
			pos--;
			break;
		case VK_UP: 
			pos--;
			break;
		case '0':case '1':case '2':case '3':
		case '4':case '5':case '6':case '7':
		case '8':case '9':
			if (pos < old.GetLength()
				&& pos < m_strMask.GetLength()
				&&(UINT)old[pos] != nChar
				&&((c = m_strMask[pos]) == 'D' || c == 'M' || c == 'Y' || c == 'h' || c == 'm' || c == 's'))
			{
				CString str = old;
				str.SetAt(pos, (TCHAR)nChar);
				COleDateTime dt = GetDateTime(str);
				if (dt.GetStatus() == COleDateTime::valid)
					SetDateTime(dt);
			}
			if (++pos < m_strMask.GetLength())
				for (c = m_strMask[pos]; pos < m_strMask.GetLength() 
					&& c != 'D' && c != 'M' && c != 'Y' && c != 'h' && c != 'm' && c != 's';
				c = m_strMask[pos])
					pos++;
				break;
		default:
			if (++pos < m_strMask.GetLength())
				for (c = m_strMask[pos]; pos < m_strMask.GetLength() 
					&& c != 'D' && c != 'M' && c != 'Y' && c != 'h' && c != 'm' && c != 's';
				c = m_strMask[pos])
					pos++;
				break;
	}
	SetSel(pos, pos);
}

void CVDateTimeEdit::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	CEdit::OnKeyUp(nChar, nRepCnt, nFlags);
}

void CVDateTimeEdit::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	switch (nChar)
	{
		case VK_DELETE:case VK_INSERT:
			break;
		case VK_UP: 
		case VK_DOWN:
			{
				CString old;
				GetWindowText(old);
				int pos;
				GetSel(pos, pos);
				if (pos < m_strMask.GetLength())
				{
					TCHAR c = m_strMask[pos];
					if (c != 'D' && c != 'M' && c != 'Y' && c != 'h' && c != 'm' && c != 's')
						if (--pos >= 0)
							c = m_strMask[pos];
						tm t;
						COleDateTime dt = GetDateTime();
						t.tm_mday = dt.GetDay();
						t.tm_mon = dt.GetMonth();
						t.tm_year = dt.GetYear();
						t.tm_hour = dt.GetHour();
						t.tm_min = dt.GetMinute();
						t.tm_sec = dt.GetSecond();
						switch (c)
						{
						case 'D':
							t.tm_mday +=(nChar != VK_UP) ? -1 : 1;
							break;
						case 'M':
							t.tm_mon +=(nChar != VK_UP) ? -1 : 1;
							break;
						case 'Y':
							t.tm_year +=(nChar != VK_UP) ? -1 : 1;
							break;
						case 'h':
							t.tm_hour +=(nChar != VK_UP) ? -1 : 1;
							break;
						case 'm':
							t.tm_min +=(nChar != VK_UP) ? -1 : 1;
							break;
						case 's':
							t.tm_sec +=(nChar != VK_UP) ? -1 : 1;
							break;
						default :
							CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
							break;
						}
						dt.SetDateTime(t.tm_year, t.tm_mon, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec);
						if (dt.GetStatus() == COleDateTime::valid)
							SetDateTime(dt);
				} else 
					CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
			}
			break;
		default:
			CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
			break;
	}
}


void CVDateTimeEdit::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	
	CEdit::OnMouseMove(nFlags, point);
}

void CVDateTimeEdit::PreSubclassWindow() 
{
	SetDateTime(COleDateTime::GetCurrentTime());
	CEdit::PreSubclassWindow();
}

void CVDateTimeEdit::SetDateTime(COleDateTime dt)
{
	CString str;
	int i, n = m_strMask.GetLength();
	for (i = 0; i < n; i++)
	{
		CString s;
		int val;
		TCHAR c = m_strMask[i];
		switch (c)
		{
			case 'D':case 'M':case 'Y':case 'h':case 'm':case 's':
				for (; i < n; i++)
				{
					if (m_strMask[i] == c)
						s += c;
					else 
					{
						i--;
						break;
					}
				}
				break;
			default :
				break;
		}
		CString format;
		format.Format("%%0%dd", s.GetLength());
		switch (c)
		{
			case 'D':
				val = dt.GetDay();
				::VSetInRange(val, 0, 31);
				s.Format(format, val);
				break;
			case 'M':
				val = dt.GetMonth();
				::VSetInRange(val, 1, 12);
				s.Format(format, val);
				break;
			case 'Y':
				val = dt.GetYear();
				::VSetInRange(val, 1900, 9990);
				s.Format(format, val);
				break;
			case 'h':
				val = dt.GetHour();
				::VSetInRange(val, 0, 23);
				s.Format(format, val);
				break;
			case 'm':
				val = dt.GetMinute();
				::VSetInRange(val, 0, 59);
				s.Format(format, val);
				break;
			case 's':
				val = dt.GetSecond();
				::VSetInRange(val, 0, 59);
				s.Format(format, val);
				break;
			default :
				s = c;
				break;
		}
		str += s;
	}
	int pos;
	GetSel(pos, pos);
	SetWindowText(str);
	SetSel(pos, pos);
	CWnd *pOwner = GetParent();
	if (pOwner != NULL)
		pOwner->PostMessage(WM_DATETIME_EDIT, (WPARAM)DTE_DATETIMECHANGED, (LPARAM)0);
}

COleDateTime CVDateTimeEdit::GetDateTime()
{
	CString str;
	GetWindowText(str);
	return GetDateTime(str);
}

COleDateTime CVDateTimeEdit::GetDateTime(CString str)
{
	tm t;
	COleDateTime dt;
	dt.SetStatus(COleDateTime::invalid);
	CTime::GetCurrentTime().GetLocalTm(&t);
	t.tm_mon += 1;
	t.tm_year += 1900;
	
	int i, n = m_strMask.GetLength();
	for (i = 0; i < n; i++)
	{
		CString s;
		TCHAR c = m_strMask[i];
		switch (c)
		{
			case 'D':case 'M':case 'Y':case 'h':case 'm':case 's':
				for (; i < n; i++)
				{
					if (str.GetLength() <= s.GetLength())
						break;
					if (m_strMask[i] == c)
						s += str[s.GetLength()];
					else 
					{
						i--;
						break;
					}
				}
				break;
			default :
				if (str.GetLength() < 0 || str[0] !=(s = c))
					return dt;
				break;
		}
		str = str.Right(str.GetLength() - s.GetLength());
		int val;
		switch (c)
		{
			case 'D':
				if (!VAtoi(s, val))
					return dt;
				::VSetInRange(val, 1, 31);
				t.tm_mday = val;
				break;
			case 'M':
				if (!VAtoi(s, val))
					return dt;
				::VSetInRange(val, 1, 12);
				t.tm_mon = val;
				break;
			case 'Y':
				if (!VAtoi(s, val))
					return dt;
				::VSetInRange(val, 1900, 9990);
				t.tm_year = val;
				break;
			case 'h':
				if (!VAtoi(s, val))
					return dt;
				::VSetInRange(val, 0, 23);
				t.tm_hour = val;
				break;
			case 'm':
				if (!VAtoi(s, val))
					return dt;
				::VSetInRange(val, 0, 59);
				t.tm_min = val;
				break;
			case 's':
				if (!VAtoi(s, val))
					return dt;
				::VSetInRange(val, 0, 59);
				t.tm_sec = val;
				break;
			default :
				break;
		}
	}
	dt.SetStatus(COleDateTime::valid);
	dt.SetDateTime(t.tm_year, t.tm_mon, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec);
	return dt;
}

void CVDateTimeEdit::OnContextMenu(CWnd*, CPoint)
{
}

bool CVDateTimeEdit::VAtoi(CString str, int &res)
{
      str.Remove(char(32));
      if (str.IsEmpty()) return false;
      bool error = false;
      for (int i = 0; i < str.GetLength() && !error; i++) {
              int c = ::tolower(str[i]);
              error = !(
                      (c >= '0' && c <= '9')
                      || ((c == '-' || c == '+') && i == 0)
                      );
      }
      if (!error) res = atoi(LPCTSTR(str));
      return !error;
}

void CVDateTimeEdit::SetMask(CString mask) 
{
	COleDateTime time = GetDateTime();
	m_strMask = mask;
	SetDateTime(time);
}


/*
int CVDateTimeEdit::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CEdit::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	
	return 0;
}


*/

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Written By
Tarek Ahmed Abdel Rahmane
Software Developer Tatweer For Information Technology
Egypt Egypt
* Under Construct *

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Posted 1 Feb 2003

Article Copyright 2003 by Tarek Ahmed Abdel Rahmane
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