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using System.Collections.Generic;
namespace MonoGame.Extended.Gui.Controls
{
public abstract class ItemsControl : Control
{
protected ItemsControl()
{
Items = new ControlCollection(this);
//{
// ItemAdded = x => UpdateRootIsLayoutRequired(),
// ItemRemoved = x => UpdateRootIsLayoutRequired()
//};
}
public override IEnumerable<Control> Children => Items;
public ControlCollection Items { get; }
///// <summary>
///// Recursive Method to find the root element and update the IsLayoutRequired property. So that the screen knows that something in the controls
///// have had a change to their layout. Also, it will reset the size of the element so that it can get a clean build so that the background patches
///// can be rendered with the updates.
///// </summary>
//private void UpdateRootIsLayoutRequired()
//{
// var parent = Parent as ItemsControl;
// if (parent == null)
// IsLayoutRequired = true;
// else
// parent.UpdateRootIsLayoutRequired();
// Size = Size2.Empty;
//}
//protected List<T> FindControls<T>()
// where T : Control
//{
// return FindControls<T>(Items);
//}
//protected List<T> FindControls<T>(ControlCollection controls)
// where T : Control
//{
// var results = new List<T>();
// foreach (var control in controls)
// {
// if (control is T)
// results.Add(control as T);
// var itemsControl = control as ItemsControl;
// if (itemsControl != null && itemsControl.Items.Any())
// results = results.Concat(FindControls<T>(itemsControl.Items)).ToList();
// }
// return results;
//}
}
}
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