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