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source: trunk/sources/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/DataAnalysisSolution.cs @ 11813

Last change on this file since 11813 was 11330, checked in by mkommend, 10 years ago

#2238: Removed unnecessary name changes event registration for result in DataAnalysisSolutions.

File size: 6.0 KB
RevLine 
[5620]1#region License Information
2/* HeuristicLab
[11171]3 * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[5620]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
[5777]22using System;
[11330]23using System.Collections.Generic;
[5777]24using System.Drawing;
[5620]25using HeuristicLab.Common;
[5777]26using HeuristicLab.Optimization;
[5620]27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Problems.DataAnalysis {
30  /// <summary>
31  /// Abstract base class for data analysis solutions
32  /// </summary>
33  [StorableClass]
34  public abstract class DataAnalysisSolution : ResultCollection, IDataAnalysisSolution {
35    private const string ModelResultName = "Model";
36    private const string ProblemDataResultName = "ProblemData";
[5624]37
[5909]38    public string Filename { get; set; }
39
[7201]40    public static new Image StaticItemImage {
[5624]41      get { return HeuristicLab.Common.Resources.VSImageLibrary.Function; }
42    }
43
[5620]44    #region properties
45    public IDataAnalysisModel Model {
46      get { return (IDataAnalysisModel)this[ModelResultName].Value; }
[5717]47      protected set {
48        if (this[ModelResultName].Value != value) {
49          if (value != null) {
50            this[ModelResultName].Value = value;
[6606]51            OnModelChanged();
[5717]52          }
53        }
54      }
[5620]55    }
56
57    public IDataAnalysisProblemData ProblemData {
58      get { return (IDataAnalysisProblemData)this[ProblemDataResultName].Value; }
[6653]59      set {
[5717]60        if (this[ProblemDataResultName].Value != value) {
61          if (value != null) {
62            ProblemData.Changed -= new EventHandler(ProblemData_Changed);
63            this[ProblemDataResultName].Value = value;
64            ProblemData.Changed += new EventHandler(ProblemData_Changed);
[6606]65            OnProblemDataChanged();
[5717]66          }
67        }
68      }
[5620]69    }
70    #endregion
71
72    [StorableConstructor]
73    protected DataAnalysisSolution(bool deserializing) : base(deserializing) { }
74    protected DataAnalysisSolution(DataAnalysisSolution original, Cloner cloner)
75      : base(original, cloner) {
76      name = original.Name;
77      description = original.Description;
78    }
[5624]79    public DataAnalysisSolution(IDataAnalysisModel model, IDataAnalysisProblemData problemData)
[5620]80      : base() {
[5649]81      name = ItemName;
82      description = ItemDescription;
[6588]83      Add(new Result(ModelResultName, "The data analysis model.", model));
84      Add(new Result(ProblemDataResultName, "The data analysis problem data.", problemData));
[5624]85
[5914]86      problemData.Changed += new EventHandler(ProblemData_Changed);
[5620]87    }
88
[6411]89    protected abstract void RecalculateResults();
90
[5624]91    private void ProblemData_Changed(object sender, EventArgs e) {
[6606]92      OnProblemDataChanged();
[5624]93    }
94
[5620]95    public event EventHandler ModelChanged;
[6606]96    protected virtual void OnModelChanged() {
[6411]97      RecalculateResults();
[5620]98      var listeners = ModelChanged;
[6606]99      if (listeners != null) listeners(this, EventArgs.Empty);
[5620]100    }
101
102    public event EventHandler ProblemDataChanged;
[6606]103    protected virtual void OnProblemDataChanged() {
[6411]104      RecalculateResults();
[5620]105      var listeners = ProblemDataChanged;
[6606]106      if (listeners != null) listeners(this, EventArgs.Empty);
[5620]107    }
108
[11330]109    //mkommend avoid unnecessary event registration for result name changes
110    protected override void RegisterItemEvents(IEnumerable<IResult> items) { }
111    protected override void DeregisterItemEvents(IEnumerable<IResult> items) { }
112
[5620]113    #region INamedItem Members
114    [Storable]
115    protected string name;
116    public string Name {
117      get { return name; }
118      set {
119        if (!CanChangeName) throw new NotSupportedException("Name cannot be changed.");
120        if (!(name.Equals(value) || (value == null) && (name == string.Empty))) {
121          CancelEventArgs<string> e = value == null ? new CancelEventArgs<string>(string.Empty) : new CancelEventArgs<string>(value);
122          OnNameChanging(e);
123          if (!e.Cancel) {
124            name = value == null ? string.Empty : value;
125            OnNameChanged();
126          }
127        }
128      }
129    }
130    public virtual bool CanChangeName {
131      get { return true; }
132    }
133    [Storable]
134    protected string description;
135    public string Description {
136      get { return description; }
137      set {
138        if (!CanChangeDescription) throw new NotSupportedException("Description cannot be changed.");
139        if (!(description.Equals(value) || (value == null) && (description == string.Empty))) {
140          description = value == null ? string.Empty : value;
141          OnDescriptionChanged();
142        }
143      }
144    }
145    public virtual bool CanChangeDescription {
146      get { return true; }
147    }
148
149    public override string ToString() {
150      return Name;
151    }
152
153    public event EventHandler<CancelEventArgs<string>> NameChanging;
154    protected virtual void OnNameChanging(CancelEventArgs<string> e) {
155      var handler = NameChanging;
156      if (handler != null) handler(this, e);
157    }
158
159    public event EventHandler NameChanged;
160    protected virtual void OnNameChanged() {
161      var handler = NameChanged;
162      if (handler != null) handler(this, EventArgs.Empty);
163      OnToStringChanged();
164    }
165
166    public event EventHandler DescriptionChanged;
167    protected virtual void OnDescriptionChanged() {
168      var handler = DescriptionChanged;
169      if (handler != null) handler(this, EventArgs.Empty);
170    }
171    #endregion
172  }
173}
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