src/osx/cocoa/datetimectrl.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/datetimectrl.mm
   3 // Purpose:     Implementation of wxDateTimePickerCtrl for Cocoa.
   4 // Author:      Vadim Zeitlin
   5 // Created:     2011-12-18
   6 // Copyright:   (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // ============================================================================
  11 // declarations
  12 // ============================================================================
  13
  14 // ----------------------------------------------------------------------------
  15 // headers
  16 // ----------------------------------------------------------------------------
  17
  18 // For compilers that support precompilation, includes "wx.h".
  19 #include "wx/wxprec.h"
  20
  21 #ifdef __BORLANDC__
  22     #pragma hdrstop
  23 #endif
  24
  25 #if wxUSE_DATEPICKCTRL
  26
  27 #include "wx/datetimectrl.h"
  28 #include "wx/datectrl.h"
  29
  30 #include "wx/osx/core/private/datetimectrl.h"
  31 #include "wx/osx/cocoa/private/date.h"
  32
  33 using namespace wxOSXImpl;
  34
  35 // ============================================================================
  36 // implementation
  37 // ============================================================================
  38
  39 // ----------------------------------------------------------------------------
  40 // Cocoa wrappers
  41 // ----------------------------------------------------------------------------
  42
  43 @interface wxNSDatePicker : NSDatePicker
  44 {
  45 }
  46
  47 @end
  48
  49 @implementation wxNSDatePicker
  50
  51 + (void)initialize
  52 {
  53     static BOOL initialized = NO;
  54     if (!initialized)
  55     {
  56         initialized = YES;
  57         wxOSXCocoaClassAddWXMethods( self );
  58     }
  59 }
  60
  61 @end
  62
  63 // ----------------------------------------------------------------------------
  64 // Peer-specific subclass
  65 // ----------------------------------------------------------------------------
  66
  67 namespace
  68 {
  69
  70 class wxDateTimeWidgetCocoaImpl : public wxDateTimeWidgetImpl
  71 {
  72 public:
  73     wxDateTimeWidgetCocoaImpl(wxDateTimePickerCtrl* peer, wxNSDatePicker* w)
  74         : wxDateTimeWidgetImpl(peer, w)
  75     {
  76     }
  77
  78     virtual void SetDateTime(const wxDateTime& dt)
  79     {
  80         wxDateTime dtFrom, dtTo;
  81
  82         if ( GetDateRange(&dtFrom,&dtTo) == false ||
  83             ( (!dtFrom.IsValid() || dtFrom <= dt) &&
  84              (!dtTo.IsValid() || dt <= dtTo ) ) )
  85             [View() setDateValue: NSDateFromWX(dt)];
  86     }
  87
  88     virtual wxDateTime GetDateTime() const
  89     {
  90         return NSDateToWX([View() dateValue]);
  91     }
  92
  93     virtual void SetDateRange(const wxDateTime& dt1, const wxDateTime& dt2)
  94     {
  95         // Note that passing nil is ok here so we don't need to test for the
  96         // dates validity.
  97         [View() setMinDate: NSDateFromWX(dt1)];
  98         [View() setMaxDate: NSDateFromWX(dt2)];
  99     }
 100
 101     virtual bool GetDateRange(wxDateTime* dt1, wxDateTime* dt2)
 102     {
 103         bool hasLimits = false;
 104         if ( dt1 )
 105         {
 106             *dt1 = NSDateToWX([View() minDate]);
 107             hasLimits = true;
 108         }
 109
 110         if ( dt2 )
 111         {
 112             *dt2 = NSDateToWX([View() maxDate]);
 113             hasLimits = true;
 114         }
 115
 116         return hasLimits;
 117     }
 118
 119     virtual void controlAction(WXWidget WXUNUSED(slf),
 120                                void* WXUNUSED(cmd),
 121                                void* WXUNUSED(sender))
 122     {
 123         wxWindow* const wxpeer = GetWXPeer();
 124         if ( wxpeer )
 125         {
 126             static_cast<wxDateTimePickerCtrl*>(wxpeer)->
 127                 OSXGenerateEvent(GetDateTime());
 128         }
 129     }
 130
 131 private:
 132     wxNSDatePicker* View() const
 133     {
 134         return static_cast<wxNSDatePicker *>(m_osxView);
 135     }
 136 };
 137
 138 } // anonymous namespace
 139
 140 // ----------------------------------------------------------------------------
 141 // CreateDateTimePicker() implementation
 142 // ----------------------------------------------------------------------------
 143
 144 /* static */
 145 wxDateTimeWidgetImpl*
 146 wxDateTimeWidgetImpl::CreateDateTimePicker(wxDateTimePickerCtrl* wxpeer,
 147                                            const wxDateTime& dt,
 148                                            const wxPoint& pos,
 149                                            const wxSize& size,
 150                                            long style,
 151                                            wxDateTimeWidgetKind kind)
 152 {
 153     NSRect r = wxOSXGetFrameForControl(wxpeer, pos, size);
 154     wxNSDatePicker* v = [[wxNSDatePicker alloc] initWithFrame:r];
 155
 156     NSDatePickerElementFlags elements = 0;
 157     switch ( kind )
 158     {
 159         case wxDateTimeWidget_YearMonthDay:
 160             elements = NSYearMonthDayDatePickerElementFlag;
 161             break;
 162
 163         case wxDateTimeWidget_HourMinuteSecond:
 164             elements = NSHourMinuteSecondDatePickerElementFlag;
 165             break;
 166     }
 167
 168     wxASSERT_MSG( elements, "Unknown date time widget kind" );
 169     [v setDatePickerElements: elements];
 170
 171     [v setDatePickerStyle: NSTextFieldAndStepperDatePickerStyle];
 172
 173     if ( dt.IsValid() )
 174     {
 175         [v setDateValue: NSDateFromWX(dt)];
 176     }
 177
 178     wxDateTimeWidgetImpl* c = new wxDateTimeWidgetCocoaImpl(wxpeer, v);
 179 #if !wxOSX_USE_NATIVE_FLIPPED
 180     c->SetFlipped(false);
 181 #endif
 182     return c;
 183 }
 184
 185 #endif // wxUSE_DATEPICKCTRL