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source: branches/OptimizationNetworks/HeuristicLab.Optimization.Networks/3.3/Ports/PortParameter.cs @ 11500

Last change on this file since 11500 was 11500, checked in by swagner, 9 years ago

#2205: Worked on optimization networks

File size: 5.2 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("PortParameter", "A parameter of a port.")]
30  [StorableClass]
31  public class PortParameter<T> : Entity, IPortParameter<T> where T : class, IItem {
32    public static new Image StaticItemImage {
33      get { return HeuristicLab.Common.Resources.VSImageLibrary.Field; }
34    }
35    public override Image ItemImage {
36      get {
37        if (Type == PortParameterType.Input) return HeuristicLab.Common.Resources.VSImageLibrary.ArrowDown;
38        else if (Type == PortParameterType.Output) return HeuristicLab.Common.Resources.VSImageLibrary.ArrowUp;
39        else return base.ItemImage;
40      }
41    }
42
43    new public IPort Parent {
44      get { return (IPort)base.Parent; }
45      set {
46        // NOTE: never call setter directly as the Parent property is set by the node which contains the port
47        base.Parent = value;
48      }
49    }
50    public Type DataType {
51      get { return typeof(T); }
52    }
53    [Storable]
54    private PortParameterType type;
55    public PortParameterType Type {
56      get { return type; }
57      set {
58        if (value != type) {
59          type = value;
60          OnTypeChanged();
61        }
62      }
63    }
64    [Storable]
65    protected T defaultValue;
66    public T DefaultValue {
67      get { return defaultValue; }
68      set {
69        if (value != this.defaultValue) {
70          DeregisterDefaultValueEvents();
71          this.defaultValue = value;
72          RegisterDefaultValueEvents();
73          OnDefaultValueChanged();
74        }
75      }
76    }
77    IItem IPortParameter.DefaultValue {
78      get { return DefaultValue; }
79      set {
80        T val = value as T;
81        if ((value != null) && (val == null))
82          throw new InvalidOperationException(
83            string.Format("Type mismatch. Value is not a \"{0}\".",
84                          typeof(T).GetPrettyName())
85          );
86        DefaultValue = val;
87      }
88    }
89
90    [StorableConstructor]
91    protected PortParameter(bool deserializing) : base(deserializing) { }
92    protected PortParameter(PortParameter<T> original, Cloner cloner)
93      : base(original, cloner) {
94      this.type = original.type;
95      this.defaultValue = cloner.Clone(original.defaultValue);
96      RegisterDefaultValueEvents();
97    }
98    public PortParameter() : base("PortParameter") { }
99    public PortParameter(string name) : base(name) { }
100    public PortParameter(string name, string description) : base(name, description) { }
101
102    [StorableHook(HookType.AfterDeserialization)]
103    private void AfterDeserialization() {
104      RegisterDefaultValueEvents();
105    }
106
107    public override IDeepCloneable Clone(Cloner cloner) {
108      return new PortParameter<T>(this, cloner);
109    }
110
111    public override string ToString() {
112      var s = base.ToString();
113      if (DefaultValue != null)
114        s += ": " + DefaultValue.ToString();
115      return s;
116    }
117
118    public event EventHandler TypeChanged;
119    protected virtual void OnTypeChanged() {
120      var handler = TypeChanged;
121      if (handler != null) handler(this, EventArgs.Empty);
122      OnItemImageChanged();
123    }
124
125    public event EventHandler DefaultValueChanged;
126    protected virtual void OnDefaultValueChanged() {
127      var handler = DefaultValueChanged;
128      if (handler != null) handler(this, EventArgs.Empty);
129      OnToStringChanged();
130    }
131
132    public IMessageValue<T> CreateMessageValue() {
133      if (DefaultValue == null)
134        return new MessageValue<T>(Name);
135      else
136        return new MessageValue<T>(Name, (T)DefaultValue.Clone());
137    }
138    IMessageValue IPortParameter.CreateMessageValue() {
139      return CreateMessageValue();
140    }
141
142    #region DefaultValue Events
143    protected virtual void RegisterDefaultValueEvents() {
144      if (defaultValue != null) {
145        defaultValue.ToStringChanged += new EventHandler(DefaultValue_ToStringChanged);
146      }
147    }
148    protected virtual void DeregisterDefaultValueEvents() {
149      if (defaultValue != null) {
150        defaultValue.ToStringChanged -= new EventHandler(DefaultValue_ToStringChanged);
151      }
152    }
153    private void DefaultValue_ToStringChanged(object sender, EventArgs e) {
154      OnToStringChanged();
155    }
156    #endregion
157  }
158}
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