wxWidgets/samples/calendar/calendar.cpp

715 lines
22 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: calendar.cpp
// Purpose: wxCalendarCtrl sample
// Author: Vadim Zeitlin
// Modified by:
// Created: 02.01.00
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/log.h"
#include "wx/frame.h"
#include "wx/panel.h"
#include "wx/stattext.h"
#include "wx/menu.h"
#include "wx/layout.h"
#include "wx/msgdlg.h"
#include "wx/icon.h"
#include "wx/button.h"
#include "wx/sizer.h"
#include "wx/textctrl.h"
#include "wx/settings.h"
#endif
#include "wx/calctrl.h"
#if wxUSE_DATEPICKCTRL
#include "wx/datectrl.h"
#if wxUSE_DATEPICKCTRL_GENERIC
#include "wx/generic/datectrl.h"
#endif // wxUSE_DATEPICKCTRL_GENERIC
#endif // wxUSE_DATEPICKCTRL
#include "../sample.xpm"
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// override base class virtuals
// ----------------------------
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit();
};
class MyPanel : public wxPanel
{
public:
MyPanel(wxFrame *frame);
void OnCalendar(wxCalendarEvent& event);
void OnCalendarWeekDayClick(wxCalendarEvent& event);
void OnCalendarChange(wxCalendarEvent& event);
void OnCalMonthChange(wxCalendarEvent& event);
void OnCalYearChange(wxCalendarEvent& event);
wxCalendarCtrl *GetCal() const { return m_calendar; }
// turn on/off the specified style bit on the calendar control
void ToggleCalStyle(bool on, int style);
void HighlightSpecial(bool on);
void SetDate();
void Today();
private:
wxCalendarCtrl *m_calendar;
wxStaticText *m_date;
wxSizer *m_sizer;
DECLARE_EVENT_TABLE()
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame(const wxString& title, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
#if wxUSE_DATEPICKCTRL
void OnAskDate(wxCommandEvent& event);
void OnUpdateUIStartWithNone(wxUpdateUIEvent& event);
#endif // wxUSE_DATEPICKCTRL
void OnCalMonday(wxCommandEvent& event);
void OnCalHolidays(wxCommandEvent& event);
void OnCalSpecial(wxCommandEvent& event);
void OnCalAllowMonth(wxCommandEvent& event);
void OnCalAllowYear(wxCommandEvent& event);
void OnCalSeqMonth(wxCommandEvent& event);
void OnCalShowSurroundingWeeks(wxCommandEvent& event);
void OnSetDate(wxCommandEvent& event);
void OnToday(wxCommandEvent& event);
void OnCalToggleResizable(wxCommandEvent& event);
void OnAllowYearUpdate(wxUpdateUIEvent& event);
private:
MyPanel *m_panel;
// any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
};
#if wxUSE_DATEPICKCTRL
// Define a simple modal dialog which asks the user for a date
class MyDialog : public wxDialog
{
public:
MyDialog(wxWindow *parent, const wxDateTime& dt, int dtpStyle);
wxDateTime GetDate() const { return m_datePicker->GetValue(); }
private:
void OnDateChange(wxDateEvent& event);
wxDatePickerCtrlBase *m_datePicker;
wxTextCtrl *m_text;
DECLARE_EVENT_TABLE()
};
#endif // wxUSE_DATEPICKCTRL
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
Calendar_File_About = wxID_ABOUT,
Calendar_File_Quit = wxID_EXIT,
Calendar_Cal_Monday = 200,
Calendar_Cal_Holidays,
Calendar_Cal_Special,
Calendar_Cal_Month,
Calendar_Cal_Year,
Calendar_Cal_SeqMonth,
Calendar_Cal_SurroundWeeks,
Calendar_Cal_SetDate,
Calendar_Cal_Today,
Calendar_Cal_Resizable,
#if wxUSE_DATEPICKCTRL
Calendar_DatePicker_AskDate = 300,
Calendar_DatePicker_ShowCentury,
Calendar_DatePicker_DropDown,
Calendar_DatePicker_AllowNone,
Calendar_DatePicker_StartWithNone,
#if wxUSE_DATEPICKCTRL_GENERIC
Calendar_DatePicker_Generic,
#endif // wxUSE_DATEPICKCTRL_GENERIC
#endif // wxUSE_DATEPICKCTRL
Calendar_CalCtrl = 1000
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
// the event tables connect the wxWidgets events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(Calendar_File_Quit, MyFrame::OnQuit)
EVT_MENU(Calendar_File_About, MyFrame::OnAbout)
#if wxUSE_DATEPICKCTRL
EVT_MENU(Calendar_DatePicker_AskDate, MyFrame::OnAskDate)
EVT_UPDATE_UI(Calendar_DatePicker_StartWithNone,
MyFrame::OnUpdateUIStartWithNone)
#endif // wxUSE_DATEPICKCTRL
EVT_MENU(Calendar_Cal_Monday, MyFrame::OnCalMonday)
EVT_MENU(Calendar_Cal_Holidays, MyFrame::OnCalHolidays)
EVT_MENU(Calendar_Cal_Special, MyFrame::OnCalSpecial)
EVT_MENU(Calendar_Cal_Month, MyFrame::OnCalAllowMonth)
EVT_MENU(Calendar_Cal_Year, MyFrame::OnCalAllowYear)
EVT_MENU(Calendar_Cal_SeqMonth, MyFrame::OnCalSeqMonth)
EVT_MENU(Calendar_Cal_SurroundWeeks, MyFrame::OnCalShowSurroundingWeeks)
EVT_MENU(Calendar_Cal_SetDate, MyFrame::OnSetDate)
EVT_MENU(Calendar_Cal_Today, MyFrame::OnToday)
EVT_MENU(Calendar_Cal_Resizable, MyFrame::OnCalToggleResizable)
EVT_UPDATE_UI(Calendar_Cal_Year, MyFrame::OnAllowYearUpdate)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(MyPanel, wxPanel)
EVT_CALENDAR (Calendar_CalCtrl, MyPanel::OnCalendar)
EVT_CALENDAR_MONTH (Calendar_CalCtrl, MyPanel::OnCalMonthChange)
EVT_CALENDAR_YEAR (Calendar_CalCtrl, MyPanel::OnCalYearChange)
EVT_CALENDAR_SEL_CHANGED(Calendar_CalCtrl, MyPanel::OnCalendarChange)
EVT_CALENDAR_WEEKDAY_CLICKED(Calendar_CalCtrl, MyPanel::OnCalendarWeekDayClick)
END_EVENT_TABLE()
#if wxUSE_DATEPICKCTRL
BEGIN_EVENT_TABLE(MyDialog, wxDialog)
EVT_DATE_CHANGED(wxID_ANY, MyDialog::OnDateChange)
END_EVENT_TABLE()
#endif // wxUSE_DATEPICKCTRL
// Create a new application object: this macro will allow wxWidgets to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
// Create the main application window
MyFrame *frame = new MyFrame(_T("Calendar wxWidgets sample")
#ifndef __WXWINCE__
,wxPoint(50, 50), wxSize(450, 340)
#endif
);
frame->Show(true);
// success: wxApp::OnRun() will be called which will enter the main message
// loop and the application will run. If we returned false here, the
// application would exit immediately.
return true;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
{
// set the frame icon
SetIcon(wxIcon(sample_xpm));
// create a menu bar
wxMenu *menuFile = new wxMenu;
menuFile->Append(Calendar_File_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
menuFile->AppendSeparator();
menuFile->Append(Calendar_File_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
wxMenu *menuCal = new wxMenu;
menuCal->Append(Calendar_Cal_Monday,
_T("Monday &first weekday\tCtrl-F"),
_T("Toggle between Mon and Sun as the first week day"),
true);
menuCal->Append(Calendar_Cal_Holidays, _T("Show &holidays\tCtrl-H"),
_T("Toggle highlighting the holidays"),
true);
menuCal->Append(Calendar_Cal_Special, _T("Highlight &special dates\tCtrl-S"),
_T("Test custom highlighting"),
true);
menuCal->Append(Calendar_Cal_SurroundWeeks,
_T("Show s&urrounding weeks\tCtrl-W"),
_T("Show the neighbouring weeks in the prev/next month"),
true);
menuCal->AppendSeparator();
menuCal->Append(Calendar_Cal_SeqMonth,
_T("To&ggle month selector style\tCtrl-G"),
_T("Use another style for the calendar controls"),
true);
menuCal->Append(Calendar_Cal_Month, _T("&Month can be changed\tCtrl-M"),
_T("Allow changing the month in the calendar"),
true);
menuCal->Append(Calendar_Cal_Year, _T("&Year can be changed\tCtrl-Y"),
_T("Allow changing the year in the calendar"),
true);
menuCal->AppendSeparator();
menuCal->Append(Calendar_Cal_SetDate, _T("Call &SetDate(2005-12-24)"), _T("Set date to 2005-12-24."));
menuCal->Append(Calendar_Cal_Today, _T("Call &Today()"), _T("Set the current date."));
menuCal->AppendSeparator();
menuCal->AppendCheckItem(Calendar_Cal_Resizable, _T("Make &resizable\tCtrl-R"));
#if wxUSE_DATEPICKCTRL
wxMenu *menuDate = new wxMenu;
menuDate->AppendCheckItem(Calendar_DatePicker_ShowCentury,
_T("Al&ways show century"));
menuDate->AppendCheckItem(Calendar_DatePicker_DropDown,
_T("Use &drop down control"));
menuDate->AppendCheckItem(Calendar_DatePicker_AllowNone,
_T("Allow &no date"));
menuDate->AppendCheckItem(Calendar_DatePicker_StartWithNone,
_T("Start &with no date"));
#if wxUSE_DATEPICKCTRL_GENERIC
menuDate->AppendCheckItem(Calendar_DatePicker_Generic,
_T("Use &generic version of the control"));
#endif // wxUSE_DATEPICKCTRL_GENERIC
menuDate->AppendSeparator();
menuDate->Append(Calendar_DatePicker_AskDate, _T("&Choose date...\tCtrl-D"), _T("Show dialog with wxDatePickerCtrl"));
#endif // wxUSE_DATEPICKCTRL
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(menuFile, _T("&File"));
menuBar->Append(menuCal, _T("&Calendar"));
#if wxUSE_DATEPICKCTRL
menuBar->Append(menuDate, _T("&Date picker"));
#endif // wxUSE_DATEPICKCTRL
menuBar->Check(Calendar_Cal_Monday, true);
menuBar->Check(Calendar_Cal_Holidays, true);
menuBar->Check(Calendar_Cal_Month, true);
menuBar->Check(Calendar_Cal_Year, true);
#if wxUSE_DATEPICKCTRL
menuBar->Check(Calendar_DatePicker_ShowCentury, true);
#endif // wxUSE_DATEPICKCTRL
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
m_panel = new MyPanel(this);
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(2);
SetStatusText(_T("Welcome to wxWidgets!"));
#endif // wxUSE_STATUSBAR
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
Close(true);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox(_T("wxCalendarCtrl sample\n(c) 2000 Vadim Zeitlin"),
_T("About Calendar"), wxOK | wxICON_INFORMATION, this);
}
void MyFrame::OnCalMonday(wxCommandEvent& event)
{
bool enable = GetMenuBar()->IsChecked(event.GetId());
m_panel->ToggleCalStyle(enable, wxCAL_MONDAY_FIRST);
}
void MyFrame::OnCalHolidays(wxCommandEvent& event)
{
bool enable = GetMenuBar()->IsChecked(event.GetId());
m_panel->GetCal()->EnableHolidayDisplay(enable);
}
void MyFrame::OnCalSpecial(wxCommandEvent& event)
{
m_panel->HighlightSpecial(GetMenuBar()->IsChecked(event.GetId()));
}
void MyFrame::OnCalAllowMonth(wxCommandEvent& event)
{
bool allow = GetMenuBar()->IsChecked(event.GetId());
m_panel->GetCal()->EnableMonthChange(allow);
}
void MyFrame::OnCalAllowYear(wxCommandEvent& event)
{
bool allow = GetMenuBar()->IsChecked(event.GetId());
m_panel->GetCal()->EnableYearChange(allow);
}
void MyFrame::OnCalSeqMonth(wxCommandEvent& event)
{
bool allow = GetMenuBar()->IsChecked(event.GetId());
m_panel->ToggleCalStyle(allow, wxCAL_SEQUENTIAL_MONTH_SELECTION);
}
void MyFrame::OnCalShowSurroundingWeeks(wxCommandEvent& event)
{
bool allow = GetMenuBar()->IsChecked(event.GetId());
m_panel->ToggleCalStyle(allow, wxCAL_SHOW_SURROUNDING_WEEKS);
}
void MyFrame::OnAllowYearUpdate(wxUpdateUIEvent& event)
{
event.Enable( GetMenuBar()->IsChecked(Calendar_Cal_Month));
}
void MyFrame::OnSetDate(wxCommandEvent &WXUNUSED(event))
{
m_panel->SetDate();
}
void MyFrame::OnToday(wxCommandEvent &WXUNUSED(event))
{
m_panel->Today();
}
void MyFrame::OnCalToggleResizable(wxCommandEvent& event)
{
wxSizer * const sizer = m_panel->GetSizer();
wxSizerItem * const item = sizer->GetItem(m_panel->GetCal());
if ( event.IsChecked() )
{
item->SetProportion(1);
item->SetFlag(wxEXPAND);
}
else // not resizable
{
item->SetProportion(0);
item->SetFlag(wxALIGN_CENTER);
}
sizer->Layout();
}
#if wxUSE_DATEPICKCTRL
void MyFrame::OnUpdateUIStartWithNone(wxUpdateUIEvent& event)
{
// it only makes sense to start with invalid date if we can have no date
event.Enable( GetMenuBar()->IsChecked(Calendar_DatePicker_AllowNone) );
}
void MyFrame::OnAskDate(wxCommandEvent& WXUNUSED(event))
{
wxDateTime dt = m_panel->GetCal()->GetDate();
int style = wxDP_DEFAULT;
if ( GetMenuBar()->IsChecked(Calendar_DatePicker_ShowCentury) )
style |= wxDP_SHOWCENTURY;
if ( GetMenuBar()->IsChecked(Calendar_DatePicker_DropDown) )
style |= wxDP_DROPDOWN;
if ( GetMenuBar()->IsChecked(Calendar_DatePicker_AllowNone) )
{
style |= wxDP_ALLOWNONE;
if ( GetMenuBar()->IsChecked(Calendar_DatePicker_StartWithNone) )
dt = wxDefaultDateTime;
}
MyDialog dlg(this, dt, style);
if ( dlg.ShowModal() == wxID_OK )
{
dt = dlg.GetDate();
if ( dt.IsValid() )
{
const wxDateTime today = wxDateTime::Today();
if ( dt.GetDay() == today.GetDay() &&
dt.GetMonth() == today.GetMonth() )
{
wxMessageBox(_T("Happy birthday!"), _T("Calendar Sample"));
}
m_panel->GetCal()->SetDate(dt);
wxLogStatus(_T("Changed the date to your input"));
}
else
{
wxLogStatus(_T("No date entered"));
}
}
}
#endif // wxUSE_DATEPICKCTRL
// ----------------------------------------------------------------------------
// MyPanel
// ----------------------------------------------------------------------------
MyPanel::MyPanel(wxFrame *frame)
: wxPanel(frame, wxID_ANY)
{
wxString date;
date.Printf(wxT("Selected date: %s"),
wxDateTime::Today().FormatISODate().c_str());
m_date = new wxStaticText(this, wxID_ANY, date);
m_calendar = new wxCalendarCtrl(this, Calendar_CalCtrl,
wxDefaultDateTime,
wxDefaultPosition,
wxDefaultSize,
wxCAL_MONDAY_FIRST |
wxCAL_SHOW_HOLIDAYS |
wxRAISED_BORDER);
// adjust to vertical/horizontal display, check mostly dedicated to WinCE
bool horizontal = ( wxSystemSettings::GetMetric(wxSYS_SCREEN_X) > wxSystemSettings::GetMetric(wxSYS_SCREEN_Y) );
m_sizer = new wxBoxSizer( horizontal ? wxHORIZONTAL : wxVERTICAL );
m_sizer->Add(m_date, 0, wxALIGN_CENTER | wxALL, 10 );
m_sizer->Add(m_calendar, 0, wxALIGN_CENTER | wxALIGN_LEFT);
SetSizer( m_sizer );
m_sizer->SetSizeHints( this );
}
void MyPanel::OnCalendar(wxCalendarEvent& event)
{
wxLogMessage(wxT("Selected %s from calendar"),
event.GetDate().FormatISODate().c_str());
}
void MyPanel::OnCalendarChange(wxCalendarEvent& event)
{
wxString s;
s.Printf(wxT("Selected date: %s"), event.GetDate().FormatISODate().c_str());
m_date->SetLabel(s);
}
void MyPanel::OnCalMonthChange(wxCalendarEvent& WXUNUSED(event))
{
wxLogStatus(wxT("Calendar month changed"));
}
void MyPanel::OnCalYearChange(wxCalendarEvent& WXUNUSED(event))
{
wxLogStatus(wxT("Calendar year changed"));
}
void MyPanel::OnCalendarWeekDayClick(wxCalendarEvent& event)
{
wxLogMessage(wxT("Clicked on %s"),
wxDateTime::GetWeekDayName(event.GetWeekDay()).c_str());
}
void MyPanel::ToggleCalStyle(bool on, int flag)
{
long style = m_calendar->GetWindowStyle();
if ( on )
style |= flag;
else
style &= ~flag;
if ( flag == wxCAL_SEQUENTIAL_MONTH_SELECTION )
{
// changing this style requires recreating the control
wxCalendarCtrl *calendar = new wxCalendarCtrl(this, Calendar_CalCtrl,
m_calendar->GetDate(),
wxDefaultPosition,
wxDefaultSize,
style);
m_sizer->Replace(m_calendar, calendar);
delete m_calendar;
m_calendar = calendar;
m_sizer->Layout();
}
else // just changing the style is enough
{
m_calendar->SetWindowStyle(style);
m_calendar->Refresh();
}
}
void MyPanel::HighlightSpecial(bool on)
{
if ( on )
{
wxCalendarDateAttr
*attrRedCircle = new wxCalendarDateAttr(wxCAL_BORDER_ROUND, *wxRED),
*attrGreenSquare = new wxCalendarDateAttr(wxCAL_BORDER_SQUARE, *wxGREEN),
*attrHeaderLike = new wxCalendarDateAttr(*wxBLUE, *wxLIGHT_GREY);
m_calendar->SetAttr(17, attrRedCircle);
m_calendar->SetAttr(29, attrGreenSquare);
m_calendar->SetAttr(13, attrHeaderLike);
}
else // off
{
m_calendar->ResetAttr(17);
m_calendar->ResetAttr(29);
m_calendar->ResetAttr(13);
}
m_calendar->Refresh();
}
void MyPanel::SetDate()
{
wxDateTime date(24, wxDateTime::Dec, 2005, 23, 59, 59);
m_calendar->SetDate(date);
}
void MyPanel::Today()
{
m_calendar->SetDate(wxDateTime::Today());
}
// ----------------------------------------------------------------------------
// MyDialog
// ----------------------------------------------------------------------------
#if wxUSE_DATEPICKCTRL
MyDialog::MyDialog(wxWindow *parent, const wxDateTime& dt, int dtpStyle)
: wxDialog(parent, wxID_ANY, wxString(_T("Calendar: Choose a date")))
{
wxStdDialogButtonSizer *sizerBtns = new wxStdDialogButtonSizer;
sizerBtns->AddButton(new wxButton(this, wxID_OK));
sizerBtns->AddButton(new wxButton(this, wxID_CANCEL));
sizerBtns->Realize();
wxSizer *sizerText = new wxBoxSizer(wxHORIZONTAL);
sizerText->Add(new wxStaticText(this, wxID_ANY, _T("Date in ISO format: ")),
wxSizerFlags().Border().Align(wxALIGN_CENTRE_VERTICAL));
m_text = new wxTextCtrl(this, wxID_ANY);
sizerText->Add(m_text, wxSizerFlags().
Expand().Border().Align(wxALIGN_CENTRE_VERTICAL));
wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
sizerTop->Add(new wxStaticText
(
this, wxID_ANY,
_T("Enter your birthday date (not before 20th century):")
),
wxSizerFlags().Border());
#if wxUSE_DATEPICKCTRL_GENERIC
wxFrame *frame = (wxFrame *)wxGetTopLevelParent(parent);
if ( frame && frame->GetMenuBar()->IsChecked(Calendar_DatePicker_Generic) )
m_datePicker = new wxDatePickerCtrlGeneric(this, wxID_ANY, dt,
wxDefaultPosition,
wxDefaultSize,
dtpStyle);
else
#endif // wxUSE_DATEPICKCTRL_GENERIC
m_datePicker = new wxDatePickerCtrl(this, wxID_ANY, dt,
wxDefaultPosition, wxDefaultSize,
dtpStyle);
m_datePicker->SetRange(wxDateTime(1, wxDateTime::Jan, 1900),
wxDefaultDateTime);
sizerTop->Add(m_datePicker, wxSizerFlags().Expand().Border());
sizerTop->AddStretchSpacer(1);
sizerTop->Add(sizerText);
sizerTop->Add(sizerBtns, wxSizerFlags().Centre().Border());
SetSizerAndFit(sizerTop);
Layout();
}
void MyDialog::OnDateChange(wxDateEvent& event)
{
const wxDateTime dt = event.GetDate();
if ( dt.IsValid() )
m_text->SetValue(dt.FormatISODate());
else
m_text->SetValue(wxEmptyString);
}
#endif // wxUSE_DATEPICKCTRL