src/Tizen.NUI/src/internal/XamlBinding/LayoutOptions.cs

   1 using System;
   2
   3 namespace Tizen.NUI.Binding
   4 {
   5         [TypeConverter(typeof(LayoutOptionsConverter))]
   6         internal struct LayoutOptions
   7         {
   8                 int _flags;
   9
  10                 public static readonly LayoutOptions Start = new LayoutOptions(LayoutAlignment.Start, false);
  11                 public static readonly LayoutOptions Center = new LayoutOptions(LayoutAlignment.Center, false);
  12                 public static readonly LayoutOptions End = new LayoutOptions(LayoutAlignment.End, false);
  13                 public static readonly LayoutOptions Fill = new LayoutOptions(LayoutAlignment.Fill, false);
  14                 public static readonly LayoutOptions StartAndExpand = new LayoutOptions(LayoutAlignment.Start, true);
  15                 public static readonly LayoutOptions CenterAndExpand = new LayoutOptions(LayoutAlignment.Center, true);
  16                 public static readonly LayoutOptions EndAndExpand = new LayoutOptions(LayoutAlignment.End, true);
  17                 public static readonly LayoutOptions FillAndExpand = new LayoutOptions(LayoutAlignment.Fill, true);
  18
  19                 public LayoutOptions(LayoutAlignment alignment, bool expands)
  20                 {
  21                         var a = (int)alignment;
  22                         if (a < 0 || a > 3)
  23                                 throw new ArgumentOutOfRangeException();
  24                         _flags = (int)alignment | (expands ? (int)LayoutExpandFlag.Expand : 0);
  25                 }
  26
  27                 public LayoutAlignment Alignment
  28                 {
  29                         get { return (LayoutAlignment)(_flags & 3); }
  30                         set { _flags = (_flags & ~3) | (int)value; }
  31                 }
  32
  33                 public bool Expands
  34                 {
  35                         get { return (_flags & (int)LayoutExpandFlag.Expand) != 0; }
  36                         set { _flags = (_flags & 3) | (value ? (int)LayoutExpandFlag.Expand : 0); }
  37                 }
  38         }
  39 }