// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
// 
// 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.

using System;
using System.Windows;
using System.Windows.Markup;

namespace ICSharpCode.ILSpy.Controls
{
	/// <summary>
	/// ExtensionMethods used in ILSpy.
	/// </summary>
	public static class ExtensionMethods
	{
		/// <summary>
		/// Sets the value of a dependency property on <paramref name="targetObject"/> using a markup extension.
		/// </summary>
		/// <remarks>This method does not support markup extensions like x:Static that depend on
		/// having a XAML file as context.</remarks>
		public static void SetValueToExtension(this DependencyObject targetObject, DependencyProperty property, MarkupExtension markupExtension)
		{
			// This method was copied from ICSharpCode.Core.Presentation (with permission to switch license to X11)
			
			if (targetObject == null)
				throw new ArgumentNullException(nameof(targetObject));
			if (property == null)
				throw new ArgumentNullException(nameof(property));
			if (markupExtension == null)
				throw new ArgumentNullException(nameof(markupExtension));
			
			var serviceProvider = new SetValueToExtensionServiceProvider(targetObject, property);
			targetObject.SetValue(property, markupExtension.ProvideValue(serviceProvider));
		}
		
		sealed class SetValueToExtensionServiceProvider : IServiceProvider, IProvideValueTarget
		{
			// This class was copied from ICSharpCode.Core.Presentation (with permission to switch license to X11)
			
			readonly DependencyObject targetObject;
			readonly DependencyProperty targetProperty;
			
			public SetValueToExtensionServiceProvider(DependencyObject targetObject, DependencyProperty property)
			{
				this.targetObject = targetObject;
				this.targetProperty = property;
			}
			
			public object GetService(Type serviceType)
			{
				if (serviceType == typeof(IProvideValueTarget))
					return this;
				else
					return null;
			}
			
			public object TargetObject {
				get { return targetObject; }
			}
			
			public object TargetProperty {
				get { return targetProperty; }
			}
		}
	}
}
