[Core/Win] Add Convert to Local Value

1 files changed, 21 insertions, 0 deletions

diff --git a/Xamarin.PropertyEditing/ViewModels/PropertyViewModel.cs b/Xamarin.PropertyEditing/ViewModels/PropertyViewModel.cs
index dfd0b70..2c3d12a 100644
--- a/Xamarin.PropertyEditing/ViewModels/PropertyViewModel.cs
+++ b/Xamarin.PropertyEditing/ViewModels/PropertyViewModel.cs
@@ -29,6 +29,7 @@ namespace Xamarin.PropertyEditing.ViewModels
 
 			SetValueResourceCommand = new RelayCommand<Resource> (OnSetValueToResource, CanSetValueToResource);
 			ClearValueCommand = new RelayCommand (OnClearValue, CanClearValue);
+			ConvertToLocalValueCommand = new RelayCommand(OnConvertToLocalValue, CanClearToLocalValue);
 
 			RequestCurrentValueUpdate();
 		}
@@ -217,6 +218,7 @@ namespace Xamarin.PropertyEditing.ViewModels
 			OnValueChanged ();
 			SignalValueChange();
 
+			((RelayCommand) ConvertToLocalValueCommand)?.ChangeCanExecute ();
 			((RelayCommand) ClearValueCommand)?.ChangeCanExecute ();
 
 			return true;
@@ -255,6 +257,19 @@ namespace Xamarin.PropertyEditing.ViewModels
 			return (ValueSource != ValueSource.Default && ValueSource != ValueSource.Unset && ValueSource != ValueSource.Unknown);
 		}
 
+		private bool CanClearToLocalValue ()
+		{
+			return (ValueSource != ValueSource.Local && ValueSource != ValueSource.Unset);
+		}
+
+		private void OnConvertToLocalValue ()
+		{
+			SetValue (new ValueInfo<TValue> {
+				Value = Value,
+				Source = ValueSource.Local
+			});
+		}
+
 		private static TValue DefaultValue;
 	}
 
@@ -353,6 +368,12 @@ namespace Xamarin.PropertyEditing.ViewModels
 			protected set;
 		}
 
+		public ICommand ConvertToLocalValueCommand
+		{
+			get;
+			protected set;
+		}
+
 		public bool HasErrors => this.error != null;
 
 		public IEnumerable GetErrors (string propertyName)