source: branches/OptimizationNetworks/HeuristicLab.Optimization.Networks/3.3/Port.cs @ 11431

Last change on this file since 11431 was 11431, checked in by swagner, 8 years ago

#2205: Worked on optimization networks

File size: 2.8 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        // NOTE: never call setter directly as the Parent property is set by the node which contains the port
41        if (value != parent) {
42          DeregisterParentEvents();
43          parent = value;
44          RegisterParentEvents();
45          OnPathChanged();
46        }
47      }
48    }
49    public string Path {
50      get {
51        return parent != null ? parent.Name : string.Empty;
52      }
53    }
54
55    [StorableConstructor]
56    protected Port(bool deserializing) : base(deserializing) { }
57    protected Port(Port original, Cloner cloner) : base(original, cloner) { }
58    protected Port() : base("Port") { }
59    protected Port(string name) : base(name) { }
60    protected Port(string name, string description) : base(name, description) { }
61
62    public event EventHandler PathChanged;
63    protected virtual void OnPathChanged() {
64      var handler = PathChanged;
65      if (handler != null) handler(this, EventArgs.Empty);
66    }
67
68    #region Parent Events
69    protected virtual void RegisterParentEvents() {
70      if (parent != null) {
71        parent.NameChanged += Parent_NameChanged;
72      }
73    }
74    protected virtual void DeregisterParentEvents() {
75      if (parent != null) {
76        parent.NameChanged -= Parent_NameChanged;
77      }
78    }
79    void Parent_NameChanged(object sender, EventArgs e) {
80      OnPathChanged();
81    }
82    #endregion
83  }
84}
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