(GameRes): persistent resource settings infrastructure.

GameRes/ResourceSettings.cs

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+//! \file       ResourceSettings.cs
+//! \date       2018 Jan 08
+//! \brief      Persistent resource settings implementation.
+//
+// Copyright (C) 2018 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+namespace GameRes
+{
+    /// <summary>
+    /// Interface to assembly app.config settings.
+    /// </summary>
+    public interface IResourceSetting
+    {
+        /// <summary>
+        /// Internal setting name, should match the name defined in app.config.
+        /// </summary>
+        string Name { get; }
+
+        /// <summary>
+        /// Short text description of the setting (suitable for use in GUI dialog).
+        /// </summary>
+        string Text { get; }
+
+        /// <summary>
+        /// More elaborate setting description.
+        /// </summary>
+        string Description { get; }
+
+
+        /// <summary>
+        /// Actual setting value.
+        /// </summary>
+        object Value { get; set; }
+    }
+
+    public abstract class ResourceSettingBase : IResourceSetting
+    {
+        public string        Name { get; set; }
+        public string        Text { get; set; }
+        public string Description { get; set; }
+
+        public abstract object Value { get; set; }
+
+        public TValue Get<TValue> ()
+        {
+            var value = this.Value;
+            if (null == value || !(value is TValue))
+                return default(TValue);
+            return (TValue)value;
+        }
+    }
+
+    internal class LocalResourceSetting : ResourceSettingBase
+    {
+        public override object Value {
+            get { return GameRes.Properties.Settings.Default[Name]; }
+            set { GameRes.Properties.Settings.Default[Name] = value; }
+        }
+    }
+}