source: branches/OptimizationNetworks/HeuristicLab.Optimization.Networks/3.3/Port.cs @ 11423

Last change on this file since 11423 was 11423, checked in by swagner, 8 years ago

#2205: Worked on optimization networks

File size: 3.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
25using System;
26using System.Drawing;
27
28namespace HeuristicLab.Optimization.Networks {
29  [Item("Port", "Abstract base class for ports of an optimization network node.")]
30  [StorableClass]
31  public abstract class Port : NamedItem, IPort {
32    public static new Image StaticItemImage {
33      get { return HeuristicLab.Common.Resources.VSImageLibrary.Field; }
34    }
35
36    private INode parent;
37    public INode Parent {
38      get { return parent; }
39      set {
40        if (value != parent) {
41          // NOTE: never call setter directly as the Parent property is set by the node which contains the port
42          if ((value != null) && !value.Ports.Contains(this))
43            throw new InvalidOperationException("Port is not contained in port collection of node.");
44          if ((value == null) && parent.Ports.Contains(this))
45            throw new InvalidOperationException("Port is still contained in port collection of node.");
46          DeregisterParentEvents();
47          parent = value;
48          RegisterParentEvents();
49          OnToStringChanged();
50        }
51      }
52    }
53
54    [StorableConstructor]
55    protected Port(bool deserializing) : base(deserializing) { }
56    protected Port(Port original, Cloner cloner) : base(original, cloner) { }
57    protected Port() : base("Port") { }
58    protected Port(string name) : base(name) { }
59    protected Port(string name, string description) : base(name, description) { }
60
61    public override string ToString() {
62      if (parent != null) {
63        return string.Concat(parent.ToString(), " -> ", base.ToString());
64      }
65      return base.ToString();
66    }
67
68    #region Parent Events
69    protected virtual void RegisterParentEvents() {
70      if (parent != null) {
71        parent.ToStringChanged += Parent_ToStringChanged;
72      }
73    }
74    protected virtual void DeregisterParentEvents() {
75      if (parent != null) {
76        parent.ToStringChanged -= Parent_ToStringChanged;
77      }
78    }
79    void Parent_ToStringChanged(object sender, EventArgs e) {
80      OnToStringChanged();
81    }
82    #endregion
83  }
84}
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