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