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using System;
using System.Linq;
using System.Reflection;
namespace Xamarin.Forms
{
public class ColorTypeConverter : TypeConverter
{
public override object ConvertFromInvariantString(string value)
{
if (value != null)
{
if (value.Trim().StartsWith("#", StringComparison.Ordinal))
return Color.FromHex(value);
string[] parts = value.Split('.');
if (parts.Length == 1 || (parts.Length == 2 && parts[0] == "Color"))
{
string color = parts[parts.Length - 1];
switch (color)
{
case "Default":
return Color.Default;
case "Transparent":
return Color.Transparent;
case "Aqua":
return Color.Aqua;
case "Black":
return Color.Black;
case "Blue":
return Color.Blue;
case "Fuchsia":
return Color.Fuchsia;
case "Gray":
return Color.Gray;
case "Green":
return Color.Green;
case "Lime":
return Color.Lime;
case "Maroon":
return Color.Maroon;
case "Navy":
return Color.Navy;
case "Olive":
return Color.Olive;
case "Purple":
return Color.Purple;
case "Pink":
return Color.Pink;
case "Red":
return Color.Red;
case "Silver":
return Color.Silver;
case "Teal":
return Color.Teal;
case "White":
return Color.White;
case "Yellow":
return Color.Yellow;
}
FieldInfo field = typeof(Color).GetFields().FirstOrDefault(fi => fi.IsStatic && fi.Name == color);
if (field != null)
return (Color)field.GetValue(null);
PropertyInfo property = typeof(Color).GetProperties().FirstOrDefault(pi => pi.Name == color && pi.CanRead && pi.GetMethod.IsStatic);
if (property != null)
return (Color)property.GetValue(null, null);
}
}
throw new InvalidOperationException(string.Format("Cannot convert \"{0}\" into {1}", value, typeof(Color)));
}
}
}
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