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

   1 using System;
   2 using System.Linq;
   3 using System.Reflection;
   4 using Tizen.NUI.Binding.Internals;
   5
   6 using Tizen.NUI;
   7
   8 namespace Tizen.NUI.Binding
   9 {
  10     [Xaml.ProvideCompiled("Tizen.NUI.Xaml.Core.XamlC.LayoutOptionsConverter")]
  11     [Xaml.TypeConversion(typeof(LayoutOptions))]
  12     internal sealed class LayoutOptionsConverter : TypeConverter
  13     {
  14         public override object ConvertFromInvariantString(string value)
  15         {
  16             if (value != null) {
  17                 var parts = value.Split('.');
  18                 if (parts.Length > 2 || (parts.Length == 2 && parts [0] != "LayoutOptions"))
  19                     throw new InvalidOperationException($"Cannot convert \"{value}\" into {typeof(LayoutOptions)}");
  20                 value = parts [parts.Length - 1];
  21                 switch (value) {
  22                 case "Start": return LayoutOptions.Start;
  23                 case "Center": return LayoutOptions.Center;
  24                 case "End": return LayoutOptions.End;
  25                 case "Fill": return LayoutOptions.Fill;
  26                 case "StartAndExpand": return LayoutOptions.StartAndExpand;
  27                 case "CenterAndExpand": return LayoutOptions.CenterAndExpand;
  28                 case "EndAndExpand": return LayoutOptions.EndAndExpand;
  29                 case "FillAndExpand": return LayoutOptions.FillAndExpand;
  30                 }
  31                 FieldInfo field = typeof(LayoutOptions).GetFields().FirstOrDefault(fi => fi.IsStatic && fi.Name == value);
  32                 if (field != null)
  33                     return (LayoutOptions)field.GetValue(null);
  34             }
  35
  36             throw new InvalidOperationException($"Cannot convert \"{value}\" into {typeof(LayoutOptions)}");
  37         }
  38     }
  39 }