using System;
using System.Collections.Generic;

namespace Netron.Diagramming.Core {
  public struct Anchor {

    /// <summary>
    /// the Parent field
    /// </summary>
    private Guid mParent;
    /// <summary>
    /// Gets or sets the Parent
    /// </summary>
    public Guid Parent {
      get { return mParent; }
      set { mParent = value; }
    }


    /// <summary>
    /// the Instance field
    /// </summary>
    private IConnector mInstance;
    /// <summary>
    /// Gets or sets the Instance
    /// </summary>
    public IConnector Instance {
      get { return mInstance; }
      set { mInstance = value; }
    }


    #region Constructor
    ///<summary>
    ///Default constructor
    ///</summary>
    public Anchor(Guid parent, IConnector instance) {
      this.mParent = parent;
      this.mInstance = instance;
    }
    #endregion


  }
  public static class Anchors {
    private static Dictionary<Guid, Anchor> innerList = new Dictionary<Guid, Anchor>();

    public static void Clear() {
      innerList.Clear();
    }

    public static void Add(Guid uid, Anchor anchor) {
      innerList.Add(uid, anchor);
    }

    public static bool ContainsKey(Guid uid) {
      return innerList.ContainsKey(uid);
    }

    public static Dictionary<Guid, Anchor>.Enumerator GetEnumerator() {
      return innerList.GetEnumerator();
    }

    public static Anchor GetAnchor(Guid uid) {
      return innerList[uid];
    }
  }
}