167 lines
3.9 KiB
C++
167 lines
3.9 KiB
C++
#if !defined(AFX_ACCOUNT_AREA_DLG_H)
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#define AFX_ACCOUNT_AREA_DLG_H
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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#include "Resource.h"
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#include <tchar.h>
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// 面积计算对话框，add by fxj 090617
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// lgh modify 101104，根据8.5新需求，增加了括号、乘、除、退格等功能
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class CAccountAreaDlg: public CModelessDialog
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{
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public:
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CAccountAreaDlg(CWnd* pParent=NULL);
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enum EAreaStat{eSelect, eDrawText, eSelectFirst};
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// Dialog Data
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//{{AFX_DATA(CAccountAreaDlg)
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enum {IDD=IDD_AREA_ACCOUNT};
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CEdit m_editExpression;
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CString m_sExpression;
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double m_dResult;
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BOOL m_bUseEsc;
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// int m_nPath;
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EAreaStat m_ePath;
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//}}AFX_DATA
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// void SetCurs(int nStart,int nEnd);
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// void InsertData(int nBegin,CString str);
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void SetCurs();
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void InsertData(CString sInsert);
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void SetAreaState(EAreaStat eState);
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BOOL CalcResult();
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BOOL IsNoneSelect();
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BOOL Amount();
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// 向文本框中输入一个字符
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void AddText(LPCTSTR sText);
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//{{AFX_VIRTUAL(CAccountAreaDlg)
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protected:
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virtual void DoDataExchange(CDataExchange* pDX);
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virtual BOOL OnInitDialog();
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virtual BOOL PreTranslateMessage(MSG* pMsg);
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//}}AFX_VIRTUAL
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protected:
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//{{AFX_MSG(CAccountAreaDlg)
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afx_msg void OnKillFocus();
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afx_msg void OnC();
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afx_msg void OnPoint();
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afx_msg void OnAdd();
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afx_msg void OnDe();
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afx_msg void OnAmount();
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afx_msg void OnZero();
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afx_msg void OnOne();
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afx_msg void OnTwo();
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afx_msg void OnThree();
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afx_msg void OnFour();
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afx_msg void OnFive();
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afx_msg void OnSix();
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afx_msg void OnSeven();
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afx_msg void OnEight();
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afx_msg void OnNine();
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afx_msg void OnLabel();
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afx_msg void OnSelArea();
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afx_msg void OnClose();
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afx_msg void OnBackspace();
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afx_msg void OnLeftBracket();
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afx_msg void OnRightBracket();
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afx_msg void OnMultiply();
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afx_msg void OnDivision();
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//}}AFX_MSG
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DECLARE_MESSAGE_MAP()
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private:
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BOOL IsOperationSymbol(TCHAR ch) const;
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private:
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int m_nCursStart;
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int m_nCursEnd;
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};
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// 面积计算的上下文类
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class CAccountAreaContext
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{
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public:
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CAccountAreaContext();
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~CAccountAreaContext();
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public:
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enum EAreaCMDState {eCMDSelectFirst = 0, eCMDSelect, eCMDDrawText};
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// 初始化命令的环境
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void Init();
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// 恢复命令运行前的环境
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void Reset();
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void SetCancel(BOOL b = TRUE);
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BOOL GetCancel();
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void SetCmdState(CAccountAreaContext::EAreaCMDState eState) ;
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EAreaCMDState GetCmdState() const;
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BOOL IsCMDModel() const;
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public:
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// 命令行下的选择模式
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void DoCMDSelectState();
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// 对话框下的选择
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void DoSelectState();
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// 文本绘制通用
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void DoDrawState();
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void CloseSwitch();
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private:
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static void CreateDlg(CAccountAreaContext *pContex, BOOL bShow = TRUE);
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static int DealSelectResult(PickSet &ssArea, CStringArray &arSArea);
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static void DealSelectSArea(CString &sArea);
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static CString GetResultAreaString(CAccountAreaContext *pCtx);
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static double CalcSumOfArea(CStringArray &arSArea);
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public:
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CAccountAreaDlg *m_pDlg; // default to NULL, wait for create
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CStringArray m_arSArea;
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private:
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BOOL m_bCancel;
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EAreaCMDState m_eCmdState;
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int m_nSysVar;
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PickSet m_ssAreaAll;
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bool m_bSwitch; // 是否允许切换，只允许第一次切换，过后不能在切换lgh. add 20110306
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static bool m_bCMD; // 记忆面积计算的模式，在对话框和命令行两种方式中切换
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};
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class CExpressionParser
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{
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public:
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enum EErrorStat{
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eOk = 0,
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eBracketNotMatch, // 括号不匹配
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eErrorCharacter, // 无法识别的字符（数字）
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eZeroDivisor, // 除0错误
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eOperationMissed, // 算号缺少
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eOperationRedundant, // 算号多出
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};
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static EErrorStat Expression_Parser( CString &sExpression, double &dResult );
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private:
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static double DegTorad( double deg );
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static EErrorStat Trans( CString &a, TCHAR b[] );
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static EErrorStat Compvalue( TCHAR exp[], double &dResult);
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private:
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static const unsigned m_uMaxValue;// 最大容忍字符
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static const unsigned m_uRealMaxValue;// 实际存储的空间，大一些
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};
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#endif |