samples/widgets/datepick.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        datepick.cpp
   4 // Purpose:     Part of the widgets sample showing date picker
   5 // Author:      Dimitri Schoolwerth, Vadim Zeitlin
   6 // Created:     27 Sep 2003
   7 // Id:          $Id$
   8 // Copyright:   (c) 2003 wxWindows team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx/wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_DATEPICKCTRL
  28
  29 // for all others, include the necessary headers
  30 #ifndef WX_PRECOMP
  31     #include "wx/app.h"
  32     #include "wx/log.h"
  33
  34     #include "wx/bitmap.h"
  35     #include "wx/button.h"
  36     #include "wx/checkbox.h"
  37     #include "wx/radiobox.h"
  38     #include "wx/statbox.h"
  39     #include "wx/textctrl.h"
  40
  41     #include "wx/sizer.h"
  42 #endif
  43
  44 #include "wx/datectrl.h"
  45 #include "wx/dateevt.h"
  46
  47 #include "widgets.h"
  48
  49 #include "icons/datepick.xpm"
  50
  51 // ----------------------------------------------------------------------------
  52 // constants
  53 // ----------------------------------------------------------------------------
  54
  55 // control ids
  56 enum
  57 {
  58     DatePickerPage_Reset = wxID_HIGHEST,
  59     DatePickerPage_Set,
  60     DatePickerPage_SetRange,
  61     DatePickerPage_Picker
  62 };
  63
  64 // ----------------------------------------------------------------------------
  65 // CheckBoxWidgetsPage
  66 // ----------------------------------------------------------------------------
  67
  68 class DatePickerWidgetsPage : public WidgetsPage
  69 {
  70 public:
  71     DatePickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  72     virtual ~DatePickerWidgetsPage(){};
  73
  74     virtual wxControl *GetWidget() const { return m_datePicker; }
  75     virtual void RecreateWidget() { CreateDatePicker(); }
  76
  77     // lazy creation of the content
  78     virtual void CreateContent();
  79
  80 protected:
  81     // event handlers
  82     void OnDateChanged(wxDateEvent& event);
  83
  84     void OnButtonSet(wxCommandEvent& event);
  85     void OnButtonSetRange(wxCommandEvent& event);
  86     void OnButtonReset(wxCommandEvent& event);
  87
  88     // reset the date picker parameters
  89     void Reset();
  90
  91     // (re)create the date picker
  92     void CreateDatePicker();
  93
  94     // the controls
  95     // ------------
  96
  97     // the checkbox itself and the sizer it is in
  98     wxDatePickerCtrl *m_datePicker;
  99     wxSizer *m_sizerDatePicker;
 100
 101     wxTextCtrl *m_textCur;
 102     wxTextCtrl *m_textMin;
 103     wxTextCtrl *m_textMax;
 104
 105     wxRadioBox* m_radioKind;
 106     wxCheckBox* m_chkStyleCentury;
 107     wxCheckBox* m_chkStyleAllowNone;
 108
 109     // the text entries for command parameters
 110     wxTextCtrl *m_textLabel;
 111
 112 private:
 113     DECLARE_EVENT_TABLE()
 114     DECLARE_WIDGETS_PAGE(DatePickerWidgetsPage)
 115 };
 116
 117 // ----------------------------------------------------------------------------
 118 // event tables
 119 // ----------------------------------------------------------------------------
 120
 121 BEGIN_EVENT_TABLE(DatePickerWidgetsPage, WidgetsPage)
 122     EVT_BUTTON(DatePickerPage_Reset, DatePickerWidgetsPage::OnButtonReset)
 123     EVT_BUTTON(DatePickerPage_Set, DatePickerWidgetsPage::OnButtonSet)
 124     EVT_BUTTON(DatePickerPage_SetRange, DatePickerWidgetsPage::OnButtonSetRange)
 125
 126     EVT_DATE_CHANGED(wxID_ANY, DatePickerWidgetsPage::OnDateChanged)
 127 END_EVENT_TABLE()
 128
 129 // ============================================================================
 130 // implementation
 131 // ============================================================================
 132
 133 #if defined(__WXMSW__)
 134     #define FAMILY_CTRLS NATIVE_CTRLS
 135 #else
 136     #define FAMILY_CTRLS GENERIC_CTRLS
 137 #endif
 138
 139 IMPLEMENT_WIDGETS_PAGE(DatePickerWidgetsPage, wxT("DatePicker"),
 140                        FAMILY_CTRLS | PICKER_CTRLS
 141                        );
 142
 143 DatePickerWidgetsPage::DatePickerWidgetsPage(WidgetsBookCtrl *book,
 144                                          wxImageList *imaglist)
 145                       :WidgetsPage(book, imaglist, datepick_xpm)
 146 {
 147 }
 148
 149 void DatePickerWidgetsPage::CreateContent()
 150 {
 151     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
 152
 153     // left pane: style
 154     wxSizer* const sizerLeft = new wxBoxSizer(wxVERTICAL);
 155
 156     static const wxString kinds[] = { "&Default", "&Spin", "Drop do&wn" };
 157     m_radioKind = new wxRadioBox(this, wxID_ANY, "&Kind",
 158                                  wxDefaultPosition, wxDefaultSize,
 159                                  WXSIZEOF(kinds), kinds,
 160                                  1, wxRA_SPECIFY_COLS);
 161     sizerLeft->Add(m_radioKind, wxSizerFlags().Expand().Border());
 162
 163     wxSizer* const sizerStyle = new wxStaticBoxSizer(wxVERTICAL, this, "&Style");
 164     m_chkStyleCentury = CreateCheckBoxAndAddToSizer(sizerStyle, "Show &century");
 165     m_chkStyleAllowNone = CreateCheckBoxAndAddToSizer(sizerStyle, "Allow &no value");
 166
 167     sizerLeft->Add(sizerStyle, wxSizerFlags().Expand().Border());
 168
 169     sizerLeft->Add(new wxButton(this, DatePickerPage_Reset, "&Recreate"),
 170                    wxSizerFlags().Centre().Border());
 171
 172
 173     // middle pane: operations
 174     wxSizer* const sizerMiddle = new wxBoxSizer(wxVERTICAL);
 175     sizerMiddle->Add(CreateSizerWithTextAndButton
 176                      (
 177                         DatePickerPage_Set,
 178                         "&Set date",
 179                         wxID_ANY,
 180                         &m_textCur
 181                      ),
 182                      wxSizerFlags().Expand().Border());
 183
 184     m_textCur->SetMinSize(wxSize(GetTextExtent("  9999-99-99  ").x, -1));
 185
 186     sizerMiddle->AddSpacer(10);
 187
 188     sizerMiddle->Add(CreateSizerWithTextAndLabel
 189                      (
 190                         "&Min date",
 191                         wxID_ANY,
 192                         &m_textMin
 193                      ),
 194                      wxSizerFlags().Expand().Border());
 195     sizerMiddle->Add(CreateSizerWithTextAndLabel
 196                      (
 197                         "Ma&x date",
 198                         wxID_ANY,
 199                         &m_textMax
 200                      ),
 201                      wxSizerFlags().Expand().Border());
 202     sizerMiddle->Add(new wxButton(this, DatePickerPage_SetRange, "Set &range"),
 203                      wxSizerFlags().Centre().Border());
 204
 205
 206     // right pane: control itself
 207     wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
 208
 209     m_datePicker = new wxDatePickerCtrl(this, DatePickerPage_Picker);
 210
 211     sizerRight->Add(0, 0, 1, wxCENTRE);
 212     sizerRight->Add(m_datePicker, 1, wxCENTRE);
 213     sizerRight->Add(0, 0, 1, wxCENTRE);
 214     m_sizerDatePicker = sizerRight; // save it to modify it later
 215
 216     // the 3 panes panes compose the window
 217     sizerTop->Add(sizerLeft, 0, (wxALL & ~wxLEFT), 10);
 218     sizerTop->Add(sizerMiddle, 0, (wxTOP | wxBOTTOM), 10);
 219     sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
 220
 221     // final initializations
 222     m_chkStyleCentury->SetValue(true);
 223     Reset();
 224
 225     SetSizer(sizerTop);
 226 }
 227
 228 void DatePickerWidgetsPage::Reset()
 229 {
 230     const wxDateTime today = wxDateTime::Today();
 231
 232     m_datePicker->SetValue(today);
 233     m_textCur->SetValue(today.FormatISODate());
 234 }
 235
 236 void DatePickerWidgetsPage::CreateDatePicker()
 237 {
 238     const wxDateTime value = m_datePicker->GetValue();
 239
 240     size_t count = m_sizerDatePicker->GetChildren().GetCount();
 241     for ( size_t n = 0; n < count; n++ )
 242     {
 243         m_sizerDatePicker->Remove(0);
 244     }
 245
 246     delete m_datePicker;
 247
 248     long style = 0;
 249     switch ( m_radioKind->GetSelection() )
 250     {
 251         case 0:
 252             style = wxDP_DEFAULT;
 253             break;
 254
 255         case 1:
 256             style = wxDP_SPIN;
 257             break;
 258
 259         case 2:
 260             style = wxDP_DROPDOWN;
 261             break;
 262     }
 263
 264     if ( m_chkStyleCentury->GetValue() )
 265         style |= wxDP_SHOWCENTURY;
 266     if ( m_chkStyleAllowNone->GetValue() )
 267         style |= wxDP_ALLOWNONE;
 268
 269     m_datePicker = new wxDatePickerCtrl(this, DatePickerPage_Picker, value,
 270                                         wxDefaultPosition, wxDefaultSize,
 271                                         style);
 272
 273     m_sizerDatePicker->Add(0, 0, 1, wxCENTRE);
 274     m_sizerDatePicker->Add(m_datePicker, 1, wxCENTRE);
 275     m_sizerDatePicker->Add(0, 0, 1, wxCENTRE);
 276     m_sizerDatePicker->Layout();
 277 }
 278
 279 // ----------------------------------------------------------------------------
 280 // event handlers
 281 // ----------------------------------------------------------------------------
 282
 283 void DatePickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 284 {
 285     Reset();
 286
 287     CreateDatePicker();
 288 }
 289
 290 static bool GetDateFromTextControl(wxDateTime& dt, const wxTextCtrl* text)
 291 {
 292     const wxString& value = text->GetValue();
 293     if ( !value.empty() )
 294     {
 295         wxString::const_iterator end;
 296         if ( !dt.ParseDate(value, &end) || end != value.end() )
 297         {
 298             wxLogError("Invalid date \"%s\"");
 299             return false;
 300         }
 301     }
 302
 303     return true;
 304 }
 305
 306 void DatePickerWidgetsPage::OnButtonSet(wxCommandEvent& WXUNUSED(event))
 307 {
 308     wxDateTime dt;
 309     if ( GetDateFromTextControl(dt, m_textCur) )
 310         m_datePicker->SetValue(dt);
 311 }
 312
 313 void DatePickerWidgetsPage::OnButtonSetRange(wxCommandEvent& WXUNUSED(event))
 314 {
 315     wxDateTime dt1, dt2;
 316     if ( !GetDateFromTextControl(dt1, m_textMin) ||
 317            !GetDateFromTextControl(dt2, m_textMax) )
 318         return;
 319
 320     m_datePicker->SetRange(dt1, dt2);
 321
 322     if ( !m_datePicker->GetRange(&dt1, &dt2) )
 323     {
 324         wxLogMessage("No range set");
 325     }
 326     else
 327     {
 328         m_textMin->SetValue(dt1.IsValid() ? dt1.FormatISODate() : wxString());
 329         m_textMax->SetValue(dt2.IsValid() ? dt2.FormatISODate() : wxString());
 330
 331         wxLogMessage("Date picker range updated");
 332     }
 333 }
 334
 335 void DatePickerWidgetsPage::OnDateChanged(wxDateEvent& event)
 336 {
 337     wxLogMessage("Date changed, now is %s (control value is %s).",
 338                  event.GetDate().FormatISOCombined(),
 339                  m_datePicker->GetValue().FormatISOCombined());
 340 }
 341
 342 #endif // wxUSE_DATEPICKCTRL