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//
// TemplatedContainer.cs
//
// Author:
//       Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// 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.Xml.Serialization;
using System.Xml;
using System.Reflection;

namespace Crow
{
	/// <summary>
	/// base class for new containers that will use templates.
	/// 
	/// TemplatedControl's **must** provide a widget of the [`Container`](Container) class named **_'Content'_** inside their template tree
	/// </summary>
	public class TemplatedContainer : TemplatedControl
	{
		#region CTOR
		protected TemplatedContainer() : base(){}
		public TemplatedContainer (Interface iface) : base(iface){}
		#endregion

		protected Container _contentContainer;

		/// <summary>
		/// Single child of this templated container.
		/// </summary>
		public virtual GraphicObject Content {
			get {
				return _contentContainer == null ? null : _contentContainer.Child;
			}
			set {
				_contentContainer.SetChild(value);
				NotifyValueChanged ("HasContent", HasContent);
			}
		}
		[XmlIgnore]public bool HasContent {
			get { return _contentContainer?.Child != null; }
		}
		//TODO: move loadTemplate and ResolveBinding in TemplatedContainer
		protected override void loadTemplate(GraphicObject template = null)
		{
			base.loadTemplate (template);
			_contentContainer = this.child.FindByName ("Content") as Container;
		}

		#region GraphicObject overrides
		public override GraphicObject FindByName (string nameToFind)
		{
			if (Name == nameToFind)
				return this;

			return Content == null ? null : Content.FindByName (nameToFind);
		}
		public override bool Contains (GraphicObject goToFind)
		{
			if (Content == goToFind)
				return true;
			if (Content?.Contains (goToFind) == true)
				return true;
			return base.Contains (goToFind);
		}
		#endregion
	}
}