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Articles / Desktop Programming / MFC

Validating Edit Controls

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21 Mar 2004CPOL24 min read 690.9K   10K   163  
CEdit-derived classes which validate the most popular types of data input.
#if !defined(AFX_AMS_EDIT_H__AC5ACB94_4363_11D3_9123_00105A6E5DE4__INCLUDED_)
#define AFX_AMS_EDIT_H__AC5ACB94_4363_11D3_9123_00105A6E5DE4__INCLUDED_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
// Edit.h : header file
// Created by: Alvaro Mendez - 07/17/2000
//

#include <afxwin.h>
#include <afxtempl.h>

/////////////////////////////////////////////////////////////////////////////
// CAMSEdit window

// Class CAMSEdit is the base class for all the other AMS CEdit classes.  
// It provides some base functionality to set and get the text and change
// its text and background color.
//
class CAMSEdit : public CEdit
{
public:
	// Construction/destruction
	CAMSEdit();
	virtual ~CAMSEdit();

	// Operations
	void SetText(const CString& strText);
	CString GetText() const;
	CString GetTrimmedText() const;

	void SetBackgroundColor(COLORREF rgb);
	COLORREF GetBackgroundColor() const;

	void SetTextColor(COLORREF rgb);
	COLORREF GetTextColor() const;

protected:
	virtual void Redraw();
	virtual CString GetValidText() const;
	virtual BOOL OnChildNotify(UINT message, WPARAM wParam, LPARAM lParam, LRESULT* pLResult);
	virtual bool ShouldEnter(TCHAR c) const;

protected:
	CBrush	m_brushBackground;
	COLORREF m_rgbText;

private:
	enum InternalFlags
	{
		None				= 0x0000,
		TextColorHasBeenSet = 0x0001
	};
	UINT m_uInternalFlags;

public:
	// Class SelectionSaver is used to save an edit box's current
	// selection and then restore it on destruction.
	class SelectionSaver
	{
	public:
		SelectionSaver(CEdit* pEdit);
		SelectionSaver(CEdit* pEdit, int nStart, int nEnd);
		~SelectionSaver();

		void MoveTo(int nStart, int nEnd);
		void MoveBy(int nStart, int nEnd);
		void MoveBy(int nPos);
		void operator+=(int nPos);

		int GetStart() const;
		int GetEnd() const;

	protected:
		CEdit* m_pEdit;
		int m_nStart, m_nEnd;
	};

	// Class Behavior is an abstract base class used to define how an edit
	// box will behave when it is used.   Note that its virtual member functions start
	// with an underscore; this avoids naming conflicts when multiply inheriting.
	class Behavior
	{
	protected:
		Behavior(CAMSEdit* pEdit);

	public:
		void ModifyFlags(UINT uAdd, UINT uRemove);
		UINT GetFlags() const;

	public:
		virtual CString _GetValidText() const = 0;

		virtual void _OnChar(UINT uChar, UINT nRepCnt, UINT nFlags) = 0;
		virtual void _OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKillFocus(CWnd* pNewWnd);
		virtual LONG _OnPaste(UINT wParam, LONG lParam);

	protected:
		// Wrappers to allow access to protected members of CAMSEdit
		virtual LRESULT _Default();		
		virtual void _Redraw();
		virtual bool _ShouldEnter(TCHAR c) const;

	protected:
		CAMSEdit* m_pEdit;
		UINT m_uFlags;
	};
	friend class Behavior;

	// The AlphanumericBehavior class is used to allow entry of alphanumeric
	// characters.  It can be restricted in terms of what characters cannot 
	// be inputed as well as how many are allowed altogether.
	class AlphanumericBehavior : public Behavior
	{
	public:
		AlphanumericBehavior(CAMSEdit* pEdit, int nMaxChars = 0, const CString& strInvalidChars = _T("%'*\"+?><:\\"));

		// Operations
		void SetInvalidCharacters(const CString& strInvalidChars);
		const CString& GetInvalidCharacters() const;

		void SetMaxCharacters(int nMaxChars);
		int GetMaxCharacters() const;

	protected:
		virtual CString _GetValidText() const;
		virtual void _OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);

	protected:
		int m_nMaxChars;
		CString m_strInvalidChars;
	};

	// The MaskedBehavior class is used to allow entry of numeric characters
	// based on a given mask containing '#' characters to hold digits.
	class MaskedBehavior : public Behavior
	{
	public:
		// Construction
		MaskedBehavior(CAMSEdit* pEdit, const CString& strMask = _T(""));

	public:
		// Operations
		void SetMask(const CString& strMask);
		const CString& GetMask() const;

		CString GetNumericText() const;
	
		// The Symbol class represents a character which may be added to the mask and then interpreted by the 
		// MaskedBehavior class to validate the input from the user and possibly convert it to something else.
		class Symbol
		{
		public:
			#ifndef _UNICODE
				typedef int (*ValidationFunction)(UINT);	// designed for functions such as _istdigit, _istalpha
				typedef UINT (*ConversionFunction)(UINT);	// designed for functions such as _totupper, _totlower
			#else
				typedef int (*ValidationFunction)(WCHAR);		
				typedef WCHAR (*ConversionFunction)(WCHAR);		
			#endif
			
			Symbol();
			Symbol(TCHAR cSymbol, ValidationFunction fnValidation, ConversionFunction fnConversion = NULL);

			virtual bool Validate(TCHAR c) const;
			virtual TCHAR Convert(TCHAR c) const;

			void Set(TCHAR cSymbol);
			TCHAR Get() const;
			operator TCHAR() const;

		protected:
			TCHAR m_cSymbol;
			ValidationFunction m_fnValidation;
			ConversionFunction m_fnConversion;
		};

		typedef CArray<Symbol, Symbol&> SymbolArray;

		SymbolArray& GetSymbolArray();

	protected:
		virtual CString _GetValidText() const;
		virtual void _OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);

	protected:
		// Attributes
		CString m_strMask;
		SymbolArray m_arraySymbols;
	};

	// The NumericBehavior class is used to allow the entry of an actual numeric
	// value into the edit control.  It may be restricted by the number of digits
	// before or after the decimal point (if any).  If can also be set to use
	// commas to separate and group thousands.
	class NumericBehavior : public Behavior
	{
	public:
		// Construction
		NumericBehavior(CAMSEdit* pEdit, int nMaxWholeDigits = 9, int nMaxDecimalPlaces = 4);

	public:
		// Operations
		void SetDouble(double dText, bool bTrimTrailingZeros = true);
		double GetDouble() const;

		void SetInt(int nText);
		int GetInt() const;
		
		void SetMaxWholeDigits(int nMaxWholeDigits);
		int GetMaxWholeDigits() const;
		
		void SetMaxDecimalPlaces(int nMaxDecimalPlaces);
		int GetMaxDecimalPlaces() const;
		
		void AllowNegative(bool bAllowNegative = true);
		bool IsNegativeAllowed() const;
		
		void SetDigitsInGroup(int nDigitsInGroup);
		int GetDigitsInGroup() const;
		
		void SetPrefix(const CString& strPrefix);
		const CString& GetPrefix() const;

		void SetMask(const CString& strMask);
		CString GetMask() const;

		enum Flags
		{
			None										= 0x0000,
			AddDecimalAfterMaxWholeDigits				= 0x0100,
			OnKillFocus_PadWithZerosBeforeDecimal		= 0x0001,
			OnKillFocus_PadWithZerosAfterDecimal		= 0x0002,
			OnKillFocus_DontPadWithZerosIfEmpty			= 0x0004,
			OnKillFocus_Max								= 0x00FF
		};

	protected:
		virtual CString _GetValidText() const;
		virtual void _OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKillFocus(CWnd* pNewWnd);

		int GetGroupSeparatorCount(const CString& strText) const;
		
		CString GetNumericText(const CString& strText, bool bConvertToNumericSigns = false) const;
		CString GetSeparatedText(const CString& strText) const;
		void AdjustSeparators(int nCurrentSeparatorCount);
		static void InsertZeros(CString* pStrText, int nPos, int nCount);

	protected:
		// Attributes
		int m_nMaxWholeDigits;
		int m_nMaxDecimalPlaces;
		bool m_bAllowNegative;
		TCHAR m_cNegativeSign;
		TCHAR m_cDecimalPoint;
		TCHAR m_cGroupSeparator;
		int m_nDigitsInGroup;
		CString m_strPrefix;
	};

	// The DateBehavior class is used to allow the entry of date values.
	class DateBehavior : virtual public Behavior
	{
	public:
		// Construction
		DateBehavior(CAMSEdit* pEdit);

	public:
		// Operations
		void SetDate(int nYear, int nMonth, int nDay);
		void SetDate(const CTime& date);
		void SetDate(const COleDateTime& date);
		void SetDateToToday();

		CTime GetDate() const;
		COleDateTime GetOleDate() const;

		int GetYear() const;
		int GetMonth() const;
		int GetDay() const;
		void SetYear(int nYear);
		void SetMonth(int nMonth);
		void SetDay(int nDay);
		virtual bool IsValid() const;
		bool CheckIfValid(bool bShowErrorIfNotValid = true);

		void SetRange(const CTime& dateMin, const CTime& dateMax);
		void SetRange(const COleDateTime& dateMin, const COleDateTime& dateMax);
		void GetRange(CTime* pDateMin, CTime* pDateMax) const;
		void GetRange(COleDateTime* pDateMin, COleDateTime* pDateMax) const;
		void SetSeparator(TCHAR cSep);
		TCHAR GetSeparator() const;

		void ShowDayBeforeMonth(bool bDayBeforeMonth = true);
		bool IsDayShownBeforeMonth() const;

		enum Flags
		{
			None								= 0x0000,
			DayBeforeMonth						= 0x1000,

			OnKillFocus_Beep_IfInvalid			= 0x0001,
			OnKillFocus_Beep_IfEmpty			= 0x0002,
			OnKillFocus_Beep					= 0x0003,
			OnKillFocus_SetValid_IfInvalid		= 0x0004,
			OnKillFocus_SetValid_IfEmpty		= 0x0008,
			OnKillFocus_SetValid				= 0x000C,
			OnKillFocus_SetFocus_IfInvalid		= 0x0010,
			OnKillFocus_SetFocus_IfEmpty		= 0x0020,
			OnKillFocus_SetFocus				= 0x0030,
			OnKillFocus_ShowMessage_IfInvalid	= 0x0050,
			OnKillFocus_ShowMessage_IfEmpty		= 0x00A0,
			OnKillFocus_ShowMessage				= 0x00F0,
			OnKillFocus_Max						= 0x00FF
		};

	protected:
		virtual CString _GetValidText() const;
		virtual void _OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKillFocus(CWnd* pNewWnd);

	protected:
		// Helpers
		bool AdjustMaxMonthAndDay();
		bool AdjustMaxDay();

		int GetValidMonth() const;
		int GetMaxMonth() const;
		int GetMinMonth() const;
		int GetMonthStartPosition() const;
		TCHAR GetMaxMonthDigit(int nPos) const;
		TCHAR GetMinMonthDigit(int nPos) const;
		bool IsValidMonthDigit(TCHAR c, int nPos) const;
		bool IsValidMonth(int nMonth) const;

		int GetValidDay() const;
		int GetMaxDay() const;
		int GetMinDay() const;
		int GetDayStartPosition() const;
		TCHAR GetMaxDayDigit(int nPos) const;
		TCHAR GetMinDayDigit(int nPos) const;
		bool IsValidDayDigit(TCHAR c, int nPos) const;
		bool IsValidDay(int nDay) const;
		
		int GetValidYear() const;
		int GetYearStartPosition() const;
		TCHAR GetMaxYearDigit(int nPos) const;
		TCHAR GetMinYearDigit(int nPos, bool bValidYear = false) const;
		bool IsValidYearDigit(TCHAR c, int nPos) const;
		bool IsValidYear(int nYear) const;

		virtual bool IsValid(const COleDateTime& date, bool bDateOnly = true) const;
		virtual void ShowErrorMessage() const;
		CString GetFormattedDate(int nYear, int nMonth, int nDay) const;

	public:
		static bool IsLeapYear(int nYear);
		static CString GetString(int nValue, bool bTwoDigitWithLeadingZero = true);
		static int GetMaxDayOfMonth(int nMonth, int nYear);

	protected:
		// Attributes
		COleDateTime m_dateMin;
		COleDateTime m_dateMax;
		TCHAR m_cSep;
	};

	// The TimeBehavior class is used to allow the entry of time values.
	class TimeBehavior : virtual public Behavior
	{
	public:
		// Construction
		TimeBehavior(CAMSEdit* pEdit);

	public:
		// Operations
		void SetTime(int nHour, int nMinute, int nSecond = 0);
		void SetTime(const CTime& time);
		void SetTime(const COleDateTime& time);
		void SetTimeToNow();

		CTime GetTime() const;
		COleDateTime GetOleTime() const;

		int GetHour() const;
		int GetMinute() const;
		int GetSecond() const;
        CString GetAMPM() const;
		void SetHour(int nYear);
		void SetMinute(int nMonth);
		void SetSecond(int nDay);
		void SetAMPM(bool bAM);
		virtual bool IsValid() const;
		bool IsValid(bool bCheckRangeAlso) const;
		bool CheckIfValid(bool bShowErrorIfNotValid = true);

		void SetRange(const CTime& dateMin, const CTime& dateMax);
		void SetRange(const COleDateTime& dateMin, const COleDateTime& dateMax);
		void GetRange(CTime* pDateMin, CTime* pDateMax) const;
		void GetRange(COleDateTime* pDateMin, COleDateTime* pDateMax) const;
	
		void SetSeparator(TCHAR cSep);
		TCHAR GetSeparator() const;

		void Show24HourFormat(bool bShow24HourFormat = true);
		bool IsShowing24HourFormat() const;
		void ShowSeconds(bool bShowSeconds = true);
		bool IsShowingSeconds() const;
		void SetAMPMSymbols(const CString& strAM, const CString& strPM);
		void GetAMPMSymbols(CString* pStrAM, CString* pStrPM) const;
		
		enum Flags
		{
			None								= 0x0000,
			TwentyFourHourFormat				= 0x2000,
			WithSeconds							= 0x4000,

			OnKillFocus_Beep_IfInvalid			= 0x0001,
			OnKillFocus_Beep_IfEmpty			= 0x0002,
			OnKillFocus_Beep					= 0x0003,
			OnKillFocus_SetValid_IfInvalid		= 0x0004,
			OnKillFocus_SetValid_IfEmpty		= 0x0008,
			OnKillFocus_SetValid				= 0x000C,
			OnKillFocus_SetFocus_IfInvalid		= 0x0010,
			OnKillFocus_SetFocus_IfEmpty		= 0x0020,
			OnKillFocus_SetFocus				= 0x0030,
			OnKillFocus_ShowMessage_IfInvalid	= 0x0050,
			OnKillFocus_ShowMessage_IfEmpty		= 0x00A0,
			OnKillFocus_ShowMessage				= 0x00F0,
			OnKillFocus_Max						= 0x00FF
		};

	protected:
		virtual CString _GetValidText() const;
		virtual void _OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKillFocus(CWnd* pNewWnd);

	protected:
		// Helpers
		int GetValidHour(bool b24HourFormat = false) const;
		int GetMaxHour(bool b24HourFormat = false) const;
		int GetMinHour(bool b24HourFormat = false) const;
		int GetHourStartPosition() const;
		TCHAR GetMaxHourDigit(int nPos) const;
		TCHAR GetMinHourDigit(int nPos) const;
		bool IsValidHourDigit(TCHAR c, int nPos) const;
		bool IsValidHour(int nHour, bool b24HourFormat = false) const;
		int ConvertTo24Hour(int nHour, const CString& strAMPM) const;
		int ConvertToAMPMHour(int nHour, CString* pStrAMPM = NULL) const;

		int GetValidMinute() const;
		int GetMaxMinute() const;
		int GetMinMinute() const;
		int GetMaxSecond() const;
		int GetMinSecond() const;
		int GetMinuteStartPosition() const;
		TCHAR GetMaxMinuteDigit(int nPos) const;
		TCHAR GetMinMinuteDigit(int nPos) const;
		bool IsValidMinuteDigit(TCHAR c, int nPos) const;
		bool IsValidMinute(int nMinute) const;
		
		int GetValidSecond() const;
		int GetSecondStartPosition() const;
		TCHAR GetMaxSecondDigit(int nPos) const;
		TCHAR GetMinSecondDigit(int nPos) const;
		bool IsValidSecondDigit(TCHAR c, int nPos) const;
		bool IsValidSecond(int nSecond) const;

		void ShowAMPM();
		bool ChangeAMPM(TCHAR c);
		CString GetValidAMPM() const;
		int GetAMPMStartPosition() const;
		bool IsValidAMPM(const CString& strAMPM) const;
		int GetAMPMPosition(const CString& strText) const;

		virtual bool IsValid(const COleDateTime& date, bool bDateOnly = true) const;
		virtual void ShowErrorMessage() const;
		CString GetFormattedTime(int nHour, int nMinute, int nSecond, const CString& strAMPM = _T("")) const;
		
	protected:
		// Attributes
		COleDateTime m_timeMin;
		COleDateTime m_timeMax;
		TCHAR m_cSep;
		CString m_strAM;
		CString m_strPM;
		int m_nAMPMLength;
		int m_nHourStart;
	};

	// The DateTimeBehavior class is used to allow the entry of date and time values.
	class DateTimeBehavior : public DateBehavior, 
							 public TimeBehavior
	{
	public:
		// Construction
		DateTimeBehavior(CAMSEdit* pEdit);

		void SetDateTime(int nYear, int nMonth, int nDay, int nHour, int nMinute, int nSecond = 0);
		void SetDateTime(const CTime& dt);
		void SetDateTime(const COleDateTime& dt);
		void SetToNow();

		CTime GetDateTime() const;
		COleDateTime GetOleDateTime() const;

		virtual bool IsValid() const;

		void SetRange(const CTime& dateMin, const CTime& dateMax);
		void SetRange(const COleDateTime& dateMin, const COleDateTime& dateMax);
		void GetRange(CTime* pDateMin, CTime* pDateMax) const;
		void GetRange(COleDateTime* pDateMin, COleDateTime* pDateMax) const;
	
		void SetSeparator(TCHAR cSep, bool bDate);
		TCHAR GetSeparator(bool bDate) const;

		void ModifyFlags(UINT uAdd, UINT uRemove);

		enum Flags
		{
			DateOnly							= 0x0100,
			TimeOnly							= 0x0200,

			OnKillFocus_Beep_IfInvalid			= 0x0001,
			OnKillFocus_Beep_IfEmpty			= 0x0002,
			OnKillFocus_Beep					= 0x0003,
			OnKillFocus_SetValid_IfInvalid		= 0x0004,
			OnKillFocus_SetValid_IfEmpty		= 0x0008,
			OnKillFocus_SetValid				= 0x000C,
			OnKillFocus_SetFocus_IfInvalid		= 0x0010,
			OnKillFocus_SetFocus_IfEmpty		= 0x0020,
			OnKillFocus_SetFocus				= 0x0030,
			OnKillFocus_ShowMessage_IfInvalid	= 0x0050,
			OnKillFocus_ShowMessage_IfEmpty		= 0x00A0,
			OnKillFocus_ShowMessage				= 0x00F0,
			OnKillFocus_Max						= 0x00FF
		};

	protected:
		virtual CString _GetValidText() const;
		virtual void _OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
		virtual void _OnKillFocus(CWnd* pNewWnd);

	protected:
		virtual bool IsValid(const COleDateTime& date, bool bDateOnly = true) const;
		virtual void ShowErrorMessage() const;
	};


	// Generated message map functions (for CAMSEdit)
protected:
	//{{AFX_MSG(CAMSEdit)
	//}}AFX_MSG
	afx_msg LONG OnCut(UINT wParam, LONG lParam);
	afx_msg LONG OnPaste(UINT wParam, LONG lParam);
	afx_msg LONG OnClear(UINT wParam, LONG lParam);
	afx_msg LONG OnSetText(UINT wParam, LONG lParam);

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////
// CAMSAlphanumericEdit window

// The CAMSAlphanumericEdit is a CAMSEdit control which supports the AlphanumericBehavior class.
//
class CAMSAlphanumericEdit : public CAMSEdit, 
                             public CAMSEdit::AlphanumericBehavior
{
public:
	// Construction
	CAMSAlphanumericEdit(int nMaxChars = 0, const CString& strInvalidChars = _T("%'*\"+?><:\\"));

protected:
	virtual CString GetValidText() const;

public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAMSAlphanumericEdit)
	//}}AFX_VIRTUAL

	// Generated message map functions
protected:
	//{{AFX_MSG(CAMSAlphanumericEdit)
	afx_msg void OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////
// CAMSMaskedEdit window

// The CAMSMaskedEdit is a CAMSEdit control which supports the MaskedBehavior class.
//
class CAMSMaskedEdit : public CAMSEdit, 
                       public CAMSEdit::MaskedBehavior
{
public:
	// Construction
	CAMSMaskedEdit(const CString& strMask = _T(""));

protected:
	virtual CString GetValidText() const;

public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAMSMaskedEdit)
	//}}AFX_VIRTUAL

	// Generated message map functions
protected:
	//{{AFX_MSG(CAMSMaskedEdit)
	afx_msg void OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////
// CAMSNumericEdit window

// The CAMSNumericEdit is a CAMSEdit control which supports the NumericBehavior class.
//
class CAMSNumericEdit : public CAMSEdit, 
                        public CAMSEdit::NumericBehavior
{
public:
	CAMSNumericEdit(int nMaxWholeDigits = 9, int nMaxDecimalPlaces = 4);

protected:
	virtual CString GetValidText() const;

public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAMSNumericEdit)
	//}}AFX_VIRTUAL

	// Generated message map functions
protected:
	//{{AFX_MSG(CAMSNumericEdit)
	afx_msg void OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKillFocus(CWnd* pNewWnd);
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////
// CAMSIntegerEdit window

// The CAMSNumericEdit is a CAMSEdit control which supports the NumericBehavior class
// restricted to only allow integer values.
//
class CAMSIntegerEdit : public CAMSNumericEdit
{
public:
	// Construction
	CAMSIntegerEdit(int nMaxWholeDigits = 9);

private:
	// Hidden members -- they don't make sense here
	void SetDouble(double dText, bool bTrimTrailingZeros = true);
	double GetDouble() const;
	void SetMaxDecimalPlaces(int nMaxDecimalPlaces);	// always 0

public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAMSIntegerEdit)
	//}}AFX_VIRTUAL

	// Generated message map functions
protected:
	//{{AFX_MSG(CAMSIntegerEdit)
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////
// CAMSCurrencyEdit window

// The CAMSNumericEdit is a CAMSEdit control which supports the NumericBehavior class
// modified to put the '$' character in front of the value and use commas to separate the thousands.
//
class CAMSCurrencyEdit : public CAMSNumericEdit
{
public:
	// Construction
	CAMSCurrencyEdit();

public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAMSCurrencyEdit)
	//}}AFX_VIRTUAL

	// Generated message map functions
protected:
	//{{AFX_MSG(CAMSCurrencyEdit)
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////
// CAMSDateEdit window

// The CAMSDateEdit is a CAMSEdit control which supports the DateBehavior class.
//
class CAMSDateEdit : public CAMSEdit, 
                     public CAMSEdit::DateBehavior
{
public:
	// Construction
	CAMSDateEdit();

protected:
	virtual CString GetValidText() const;

public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAMSDateEdit)
	//}}AFX_VIRTUAL

	// Generated message map functions
protected:
	//{{AFX_MSG(CAMSDateEdit)
	afx_msg void OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKillFocus(CWnd* pNewWnd);
	//}}AFX_MSG

	afx_msg LONG OnPaste(UINT wParam, LONG lParam);

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////
// CAMSTimeEdit window

// The CAMSTimeEdit is a CAMSEdit control which supports the TimeBehavior class.
//
class CAMSTimeEdit : public CAMSEdit, 
                     public CAMSEdit::TimeBehavior
{
public:
	// Construction
	CAMSTimeEdit();

protected:
	virtual CString GetValidText() const;

public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAMSTimeEdit)
	//}}AFX_VIRTUAL

	// Generated message map functions
protected:
	//{{AFX_MSG(CAMSTimeEdit)
	afx_msg void OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKillFocus(CWnd* pNewWnd);
	//}}AFX_MSG

	afx_msg LONG OnPaste(UINT wParam, LONG lParam);

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////
// CAMSDateTimeEdit window

// The CAMSDateTimeEdit is a CAMSEdit control which supports the 
// DateBehavior and TimeBehavior classes.
//
class CAMSDateTimeEdit : public CAMSEdit, 
						 public CAMSEdit::DateTimeBehavior
{
public:
	// Construction
	CAMSDateTimeEdit();

protected:
	virtual CString GetValidText() const;

public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAMSDateTimeEdit)
	//}}AFX_VIRTUAL

	// Generated message map functions
protected:
	//{{AFX_MSG(CAMSDateTimeEdit)
	afx_msg void OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKillFocus(CWnd* pNewWnd);
	//}}AFX_MSG

	afx_msg LONG OnPaste(UINT wParam, LONG lParam);

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////
// CAMSMultiMaskedEdit window

// The CAMSMultiMaskedEdit class is a CAMSEdit control which can support the 
// AlphanumericBehavior, NumericBehavior, MaskedBehavior, DateBehavior, or 
// TimeBehavior behavior classes.  It uses the mask to determine the current behavior.
//
class CAMSMultiMaskedEdit : public CAMSEdit, 
                            public CAMSEdit::AlphanumericBehavior,
                            public CAMSEdit::NumericBehavior,
                            public CAMSEdit::MaskedBehavior,
                            public CAMSEdit::DateTimeBehavior
{
public:
	CAMSMultiMaskedEdit();

	const CString& GetMask() const;
	void SetMask(const CString& strMask);
	
protected:
	virtual CString GetValidText() const;

	// Attributes
	Behavior* m_pCurrentBehavior;

public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAMSMultiMaskedEdit)
	//}}AFX_VIRTUAL

	// Generated message map functions
protected:
	//{{AFX_MSG(CAMSMultiMaskedEdit)
	afx_msg void OnChar(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKeyDown(UINT uChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKillFocus(CWnd* pNewWnd);
	//}}AFX_MSG

	afx_msg LONG OnPaste(UINT wParam, LONG lParam);

	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_AMS_EDIT_H__AC5ACB94_4363_11D3_9123_00105A6E5DE4__INCLUDED_)

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Web Developer
United States United States
I've done extensive work with C++, MFC, COM, and ATL on the Windows side. On the Web side, I've worked with VB, ASP, JavaScript, and COM+. I've also been involved with server-side Java, which includes JSP, Servlets, and EJB, and more recently with ASP.NET/C#.

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