src/Tizen.NUI.Xaml/src/internal/XamlBinding/EffectiveFlowDirectionExtensions.cs

   1 using System;
   2
   3 namespace Tizen.NUI.XamlBinding
   4 {
   5     internal static class EffectiveFlowDirectionExtensions
   6     {
   7         internal static EffectiveFlowDirection ToEffectiveFlowDirection(this FlowDirection self, bool isExplicit = false)
   8         {
   9             switch (self)
  10             {
  11                 case FlowDirection.MatchParent:
  12                     return default(EffectiveFlowDirection);
  13
  14
  15                 case FlowDirection.LeftToRight:
  16                     if (isExplicit)
  17                     {
  18                         return EffectiveFlowDirection.Explicit;
  19                     }
  20                     else
  21                     {
  22                         return default(EffectiveFlowDirection);
  23                     }
  24
  25                 case FlowDirection.RightToLeft:
  26                     if (isExplicit)
  27                     {
  28                         return EffectiveFlowDirection.RightToLeft | EffectiveFlowDirection.Explicit;
  29                     }
  30                     else
  31                     {
  32                         return EffectiveFlowDirection.RightToLeft;
  33                     }
  34
  35                 default:
  36                     throw new InvalidOperationException($"Cannot convert {self} to {nameof(EffectiveFlowDirection)}.");
  37             }
  38         }
  39
  40         internal static FlowDirection ToFlowDirection(this EffectiveFlowDirection self)
  41         {
  42             if (self.IsLeftToRight())
  43                 return FlowDirection.LeftToRight;
  44             else
  45                 return FlowDirection.RightToLeft;
  46
  47             throw new InvalidOperationException($"Cannot convert {self} to {nameof(FlowDirection)}.");
  48         }
  49
  50         public static bool IsRightToLeft(this EffectiveFlowDirection self)
  51         {
  52             return (self & EffectiveFlowDirection.RightToLeft) == EffectiveFlowDirection.RightToLeft;
  53         }
  54
  55         public static bool IsLeftToRight(this EffectiveFlowDirection self)
  56         {
  57             return (self & EffectiveFlowDirection.RightToLeft) != EffectiveFlowDirection.RightToLeft;
  58         }
  59
  60         public static bool IsImplicit(this EffectiveFlowDirection self)
  61         {
  62             return (self & EffectiveFlowDirection.Explicit) != EffectiveFlowDirection.Explicit;
  63         }
  64
  65         public static bool IsExplicit(this EffectiveFlowDirection self)
  66         {
  67             return (self & EffectiveFlowDirection.Explicit) == EffectiveFlowDirection.Explicit;
  68         }
  69     }
  70 }