amsedit.h

用户管理系统

#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>

/////////////////////////////////////////////////////////////////////////////
// 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;

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

	void SetTextColor(COLORREF rgb);
	COLORREF GetTextColor() const;
    void DrawEdge(void);
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;
    bool m_bIsFocused ;
	bool m_bIsMouseOver ;

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. 
	class Behavior
	{
	protected:
		Behavior(CAMSEdit* pEdit);

	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 LONG _OnPaste(UINT wParam, LONG lParam);

	protected:
		virtual LRESULT _Default();		
		void _Redraw();
		bool _ShouldEnter(TCHAR c) const;

	protected:
		CAMSEdit* m_pEdit;
	};
	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(""));
        int MovePrevious(TCHAR c, int nPos);  //前移一个有效位
        int MoveNext(TCHAR c,int nPos);      //后移一个有效位
        BOOL IsEnd(int nPos, CString strText);  //
	public:
		// Operations
		void SetMask(const CString& strMask);
		const CString& GetMask() const;

		CString GetNumericText() const;
	
	protected:
//0命令1正确100无发现-1错误
        int CheckCode(TCHAR nChar, TCHAR cMask) const;
		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;

	};

	// 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 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;

		double GetTextAsDouble() const;

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

		int GetGroupSeparatorCount(const CString& strText) const;
		
		CString GetNumericText(const CString& strText) const;
		CString GetSeparatedText(const CString& strText) const;
		void AdjustSeparators(int nCurrentSeparatorCount);

	protected:
		// Attributes
		int m_nMaxWholeDigits;      //整数位长
		int m_nMaxDecimalPlaces;    //小数位长
		bool m_bAllowNegative;      //是否使能无效值显示
		TCHAR m_cNegativeSign;      //无效值
		TCHAR m_cDecimalPoint;      //小数符号
		TCHAR m_cGroupSeparator;    //分隔符号
		int m_nDigitsInGroup;       //分隔符号位长
		CString m_strPrefix;        //预设首位串
	};
//使用说明
//例：$123,456,789.12   正常值
//                -     无值或无效值
//m_nMaxWholeDigits = 9
//m_nMaxDecimalPlaces = 2
//m_bAllowNegative = true
//m_cNegativeSign = -
//m_cDecimalPoint = .
//m_cGroupSeparator = ,
//m_nDigitsInGroup = 3
//m_strPrefix = $
	// The DateBehavior class is used to allow the entry of date values.
	class DateBehavior : 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);
		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
		};

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

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

	protected:
		// Helpers
		bool AdjustMaxMonthAndDay();
		bool AdjustMaxDay();
		bool IsValid(const COleDateTime& date) const;
		void ShowErrorMessage() const;

		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;