A few tweaks and cleanups

[wxWidgets.git] / include / wx / date.h

diff --git a/include/wx/date.h b/include/wx/date.h
index ea1b894c699523004ecfa9ec0761d94ee847ca50..635457d9d3e0a81d725113d0324e7ff201e833d1 100644 (file)
--- a/include/wx/date.h
+++ b/include/wx/date.h
@@ -1,134 +1,256 @@
-/////////////////////////////////////////////////////////////////////////////
-// Name:        date.h
-// Purpose:     wxDate class
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/date.h
+// Purpose:     wxDate class: this class is deprecated, use wxDateTime instead!

 // Author:      Julian Smart, Steve Marcus, Eric Simon, Chris Hill,
 //              Charles D. Price
 // Author:      Julian Smart, Steve Marcus, Eric Simon, Chris Hill,
 //              Charles D. Price

-// Modified by:        
+// Modified by: 18.12.99 by VZ to use the new wxDateTime class

 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Created:     01/02/97
 // RCS-ID:      $Id$

-// Copyright:   (c)
-// Licence:    wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
+// Copyright:(c)
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////

 
 #ifndef _WX_DATE_H_
 #define _WX_DATE_H_
 
 #ifdef __GNUG__
 
 #ifndef _WX_DATE_H_
 #define _WX_DATE_H_
 
 #ifdef __GNUG__

-#pragma interface "date.h"
+    #pragma interface "date.h"

 #endif
 
 #endif
 

-#include "wx/object.h"
-#include "wx/string.h"
+#include "wx/defs.h"

 
 

-#ifdef wxUSE_TIMEDATE
+#if wxUSE_TIMEDATE

 
 

-enum wxdate_format_type {wxMDY, wxDAY, wxMONTH, wxFULL, wxEUROPEAN};
+#include "wx/object.h"
+#include "wx/string.h"
+#include "wx/datetime.h"

 
 

-#define wxNO_CENTURY  0x02
-#define wxDATE_ABBR   0x04
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------

 
 

-class WXDLLEXPORT wxDate: public wxObject
+enum wxdate_format_type

 {
 {

-  DECLARE_DYNAMIC_CLASS(wxDate)
- protected:
-   unsigned long julian; // see julDate();  days since 1/1/4713 B.C.
-   int month;            // see NMonth()
-   int day;              // see Day()
-   int year;             // see NYear4()
-   int day_of_week;      // see NDOW();  1 = Sunday, ... 7 = Saturday
-
- private:
-  int                   DisplayFormat;
-  unsigned char DisplayOptions;
-
-  void julian_to_mdy ();         // convert julian day to mdy
-  void julian_to_wday ();        // convert julian day to day_of_week
-  void mdy_to_julian ();         // convert mdy to julian day
-
- public:
-  wxDate ();
-  wxDate (long j);
-  wxDate (int m, int d, int y);
-  wxDate (const wxString& dat);
-  wxDate (const wxDate &dt);
-
-#ifndef __SALFORDC__
-  operator wxString  (void);
-#endif
-
-  void operator =   (const wxDate& date);
-  void operator =   (const wxString& date);
-
-  wxDate operator +  (long i);
-  wxDate operator +  (int  i);
-
-  wxDate operator -  (long i);
-  wxDate operator -  (int  i);
-
-  long operator -  (const wxDate &dt);
-
-  wxDate &operator += (long i);
-  wxDate &operator -= (long i);
-
-  wxDate &operator ++ ();     // Prefix increment
-  wxDate &operator ++ (int);  // Postfix increment
-  wxDate &operator -- ();     // Prefix decrement
-  wxDate &operator -- (int);  // Postfix decrement
+    wxMDY,
+    wxDAY,
+    wxMONTH,
+    wxFULL,
+    wxEUROPEAN
+};

 
 

-  friend bool WXDLLEXPORT operator <  (const wxDate &dt1, const wxDate &dt2);
-  friend bool WXDLLEXPORT operator <= (const wxDate &dt1, const wxDate &dt2);
-  friend bool WXDLLEXPORT operator >  (const wxDate &dt1, const wxDate &dt2);
-  friend bool WXDLLEXPORT operator >= (const wxDate &dt1, const wxDate &dt2);
-  friend bool WXDLLEXPORT operator == (const wxDate &dt1, const wxDate &dt2);
-  friend bool WXDLLEXPORT operator != (const wxDate &dt1, const wxDate &dt2);
+enum // wxdate_format_flags
+{
+    wxNO_CENTURY = 0x02,
+    wxDATE_ABBR  = 0x04
+};

 
 

-  friend ostream& WXDLLEXPORT operator << (ostream &os, const wxDate &dt);
+// ----------------------------------------------------------------------------
+// wxDate
+// ----------------------------------------------------------------------------

 
 

-  wxString FormatDate     (int type=-1) const;
-  void  SetFormat (int format);
-  int   SetOption (int option, bool enable=TRUE);
+class WXDLLEXPORT wxDate : public wxObject
+{
+public:
+    wxDate() { Init(); }
+    wxDate(long j) : m_date((double)(j + 0.5)) { Init(); }
+    wxDate(int m, int d, int y) : m_date(d, (wxDateTime::Month)m, y) { Init(); }
+    wxDate(const wxString& dat) { Init(); (void)m_date.ParseDate(dat); }
+    wxDate(const wxDate &date) { *this = date; }

 
 

-  long  GetJulianDate() const;  // returns julian date
-  int   GetDayOfYear()  const;  // returns relative date since Jan. 1
-  bool  IsLeapYear()    const;  // returns TRUE if leap year, FALSE if not
+    wxDate(const wxDateTime& dt) { Init(); m_date = dt; }

 
 

-  // Version 4.0 Extension to Public Interface - CDP
-  
-  // These 'Set's modify the date object and actually SET it
-  // They all return a reference to self (*this)
+#ifndef __SALFORDC__
+    operator wxString() const { return FormatDate(); }
+#endif

 
 

-  wxDate &Set();            // Sets to current system date
-  wxDate &Set(long lJulian);
-  wxDate &Set(int nMonth, int nDay, int nYear);
+    void operator=(const wxDate& date)
+    {
+        m_date = date.m_date;
+        m_displayFormat = date.m_displayFormat;
+        m_displayOptions = date.m_displayOptions;
+    }

 
 

-  wxDate &AddWeeks(int nCount = 1);  // 
-  wxDate &AddMonths(int nCount = 1); // May also pass neg# to decrement
-  wxDate &AddYears(int nCount = 1);  //
+    void operator=(const wxString& dat) { (void)m_date.ParseDate(dat); }

 
 

-  int   GetDay() const;      // Numeric Day of date object
-  int   GetDaysInMonth();    // Number of days in month (1..31)
-  int   GetFirstDayOfMonth() const; // First Day Of Month  (1..7)
+    wxDate operator+(long i) { return wxDate(GetJulianDate() + i); }
+    wxDate operator+(int  i) { return wxDate(GetJulianDate() + (long)i); }

 
 

-  wxString GetDayOfWeekName();       // Character Day Of Week ('Sunday'..'Saturday')
-  int   GetDayOfWeek() const;     // (1..7)
+    wxDate operator-(long i) { return wxDate(GetJulianDate() - i); }
+    wxDate operator-(int  i) { return wxDate(GetJulianDate() - (long)i); }

 
 

-  int   GetWeekOfMonth();            // Numeric Week Of Month  (1..6)
-  int   GetWeekOfYear();            // Numeric Week Of Year   (1..52)
+    long operator-(const wxDate &dt) const
+        { return GetJulianDate() - dt.GetJulianDate(); }

 
 

-  wxString GetMonthName();            // Character Month name
-  int   GetMonth() const;          // Month Number (1..12)
-  wxDate  GetMonthStart();         // First Date Of Month
-  wxDate  GetMonthEnd();           // Last Date Of Month
+    wxDate &operator+=(long i) { m_date += wxTimeSpan::Days((int)i); return *this; }
+    wxDate &operator-=(long i) { m_date -= wxTimeSpan::Days((int)i); return *this; }

 
 

-  int   GetYear() const;           // eg. 1992
-  wxDate  GetYearStart();          // First Date Of Year
-  wxDate  GetYearEnd();            // Last Date Of Year
+    wxDate &operator++() { return *this += 1; }
+    wxDate &operator++(int) { return *this += 1; }
+    wxDate &operator--() { return *this -= 1; }
+    wxDate &operator--(int) { return *this -= 1; }

 
 

-  bool IsBetween(const wxDate& first, const wxDate& second) const;
+#if wxUSE_STD_IOSTREAM
+    friend wxSTD ostream WXDLLEXPORT & operator <<(wxSTD ostream &os, const wxDate &dt)
+        { return os << dt.FormatDate().mb_str(); }
+#endif

 
 

-  wxDate Previous(int dayOfWeek) const;
+    void  SetFormat(int format) { m_displayFormat = format; }
+    int   SetOption(int option, bool enable = TRUE)
+    {
+        if ( enable )
+            m_displayOptions |= option;
+        else
+            m_displayOptions &= ~option;
+
+        return 1; // (VZ: whatever it means)
+    }
+
+    // returns julian date (VZ: the integral part of Julian Day Number)
+    long GetJulianDate() const
+        { return (long)(m_date.GetJulianDayNumber() - 0.5); }
+
+    // returns relative date since Jan. 1
+    int GetDayOfYear() const
+        { return m_date.GetDayOfYear(); }
+
+    // returns TRUE if leap year, FALSE if not
+    bool IsLeapYear() const
+        { return wxDateTime::IsLeapYear(m_date.GetYear()); }
+
+    // Sets to current system date
+    wxDate &Set()
+        { m_date = wxDateTime::Today(); return (wxDate&)*this; }
+    wxDate &Set(long lJulian)
+        { m_date.Set((double)(lJulian + 0.5)); return (wxDate&)*this; }
+    wxDate &Set(int nMonth, int nDay, int nYear)
+        { m_date.Set(nDay, (wxDateTime::Month)nMonth, nYear); return *this; }
+
+    // May also pass neg# to decrement
+    wxDate &AddWeeks(int nCount = 1)
+        { m_date += wxDateSpan::Weeks(nCount); return *this; }
+    wxDate &AddMonths(int nCount = 1)
+        { m_date += wxDateSpan::Months(nCount); return *this; }
+    wxDate &AddYears(int nCount = 1)
+        { m_date += wxDateSpan::Years(nCount); return *this; }
+
+    // Numeric Day of date object
+    int GetDay() const { return m_date.GetDay(); }
+    // Number of days in month(1..31)
+    int GetDaysInMonth() const
+    {
+        return wxDateTime::GetNumberOfDays((wxDateTime::Month)m_date.GetMonth(),
+                                           m_date.GetYear());
+    }
+
+    // First Day Of Month(1..7)
+    int GetFirstDayOfMonth() const
+        { return wxDate(GetMonth(), 1, GetYear()).GetDayOfWeek(); }
+
+    // Character Day Of Week('Sunday'..'Saturday')
+    wxString GetDayOfWeekName() const { return FormatDate(wxDAY); }
+    int GetDayOfWeek() const { return (int)m_date.GetWeekDay() + 1; }
+
+    // Numeric Week Of Month(1..6) (VZ: I'd love to see a month with 6 weeks)
+    int GetWeekOfMonth() const { return m_date.GetWeekOfMonth(); }
+    // Numeric Week Of Year(1..52) (VZ: but there are years with 53 weeks)
+    int GetWeekOfYear() const { return m_date.GetWeekOfYear(); }
+
+    // Character Month name
+    wxString GetMonthName() { return FormatDate(wxMONTH); }
+    // Month Number(1..12)
+    int GetMonth() const { return m_date.GetMonth() + 1; }
+
+    // First Date Of Month
+    wxDate GetMonthStart() const { return(wxDate(GetMonth()-1, 1, GetYear())); }
+    // Last Date Of Month
+    wxDate GetMonthEnd() const { return wxDate(GetMonth(), 1, GetYear())-1; }
+
+    // eg. 1992
+    int GetYear() const { return m_date.GetYear(); }
+    // First Date Of Year
+    wxDate GetYearStart() const { return wxDate(0, 1, GetYear()); }
+    // Last Date Of Year
+    wxDate GetYearEnd() const { return wxDate(0, 1, GetYear()+1) - 1; }
+
+    bool IsBetween(const wxDate& first, const wxDate& second) const
+    {
+        return m_date.IsBetween(first.m_date, second.m_date);
+    }
+
+    wxDate Previous(int dayOfWeek) const
+    {
+        wxDate prev = *this;
+        int dow = GetDayOfWeek();
+        prev -= dayOfWeek > dow ? 7 - (dayOfWeek - dow) : dow - dayOfWeek;
+
+        return prev;
+    }
+
+    wxString FormatDate(int type = -1) const
+    {
+        static const wxChar *formats[] =
+        {
+            // MDY          (week)DAY   MONTH   FULL                 EUROPEAN
+            _T("%m/%d/%Y"), _T("%A"), _T("%B"), _T("%A, %B %d, %Y"), _T("%d %B %Y")
+        };
+
+        wxString fmt = formats[type == -1 ? m_displayFormat : type];
+
+        if ( m_displayOptions & wxDATE_ABBR )
+        {
+            fmt.Replace(_T("A"), _T("a"));
+            fmt.Replace(_T("B"), _T("b"));
+        }
+        if ( m_displayOptions & wxNO_CENTURY )
+        {
+            fmt.Replace(_T("Y"), _T("y"));
+        }
+
+        return m_date.Format(fmt);
+    }
+
+protected:
+    void Init() { m_displayFormat = wxMDY; m_displayOptions = 0; }
+
+#if 0 // the old wxDate members - unused any more
+    unsigned long julian; // see julDate();  days since 1/1/4713 B.C.
+    int month;            // see NMonth()
+    int day;              // see Day()
+    int year;             // see NYear4()
+    int day_of_week;      // see NDOW();  1 = Sunday, ... 7 = Saturday
+
+    void julian_to_mdy();         // convert julian day to mdy
+    void julian_to_wday();        // convert julian day to day_of_week
+    void mdy_to_julian();         // convert mdy to julian day
+#endif // 0
+
+private:
+    wxDateTime m_date;
+
+    int m_displayFormat;
+    int m_displayOptions;
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxDate)

 };
 
 };
 

-#endif
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+inline bool WXDLLEXPORT operator <(const wxDate &dt1, const wxDate &dt2)
+    { return dt1.GetJulianDate() < dt2.GetJulianDate(); }
+inline bool WXDLLEXPORT operator <=(const wxDate &dt1, const wxDate &dt2)
+    { return dt1.GetJulianDate() <= dt2.GetJulianDate(); }
+inline bool WXDLLEXPORT operator >(const wxDate &dt1, const wxDate &dt2)
+    { return dt1.GetJulianDate() > dt2.GetJulianDate(); }
+inline bool WXDLLEXPORT operator >=(const wxDate &dt1, const wxDate &dt2)
+    { return dt1.GetJulianDate() >= dt2.GetJulianDate(); }
+inline bool WXDLLEXPORT operator ==(const wxDate &dt1, const wxDate &dt2)
+    { return dt1.GetJulianDate() == dt2.GetJulianDate(); }
+inline bool WXDLLEXPORT operator !=(const wxDate &dt1, const wxDate &dt2)
+    { return dt1.GetJulianDate() != dt2.GetJulianDate(); }
+
+#endif // wxUSE_TIMEDATE

 #endif
     // _WX_DATE_H_
 #endif
     // _WX_DATE_H_