Inventory logger

Shared/Settings/Setting.cs

@@ -0,0 +1,59 @@
+using System;
+
+namespace Mag.Shared.Settings
+{
+	class Setting<T>
+	{
+		public readonly string Xpath;
+
+		public readonly string Description;
+
+		public readonly T DefaultValue;
+
+		private T value;
+		public T Value
+		{
+			get
+			{
+				return value;
+			}
+			set
+			{
+				// If we're setting it to the value its already at, don't continue with the set.
+				if (Object.Equals(this.value, value))
+					return;
+
+				// The value differs, set it.
+				this.value = value;
+
+				StoreValueInConfigFile();
+
+				if (Changed != null)
+					Changed(this);
+			}
+		}
+
+		public event Action<Setting<T>> Changed;
+
+		public Setting(string xpath, string description = null, T defaultValue = default(T))
+		{
+			Xpath = xpath;
+
+			Description = description;
+
+			DefaultValue = defaultValue;
+
+			LoadValueFromConfig(defaultValue);
+		}
+
+		void LoadValueFromConfig(T defaultValue)
+		{
+			value = SettingsFile.GetSetting(Xpath, defaultValue);
+		}
+
+		void StoreValueInConfigFile()
+		{
+			SettingsFile.PutSetting(Xpath, value);
+		}
+	}
+}