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source: branches/HeuristicLab.Problems.BioBoost/HeuristicLab.Problems.BioBoost.Views/3.3/BioBoostParetoSetView.cs @ 13074

Last change on this file since 13074 was 13074, checked in by gkronber, 9 years ago

#2499: added license header and removed unused usings

File size: 4.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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 System;
23using System.Collections.Generic;
24using System.Drawing;
25using System.Linq;
26using System.Windows.Forms;
27using System.Windows.Forms.DataVisualization.Charting;
28using HeuristicLab.BioBoost.Representation;
29using HeuristicLab.Common;
30using HeuristicLab.Core;
31using HeuristicLab.Core.Views;
32using HeuristicLab.MainForm;
33using HeuristicLab.PluginInfrastructure;
34
35namespace HeuristicLab.BioBoost.Views {
36
37  [Content(typeof (ItemCollection<BioBoostCompoundSolution>), false)]
38  public partial class BioBoostParetoSetView : ItemView {
39
40    private Point mouseDownPos;
41
42    public new ItemCollection<BioBoostCompoundSolution> Content {
43      get { return (ItemCollection<BioBoostCompoundSolution>)base.Content; }
44      set { base.Content = value; }
45    }
46
47    public BioBoostParetoSetView() {
48      InitializeComponent();
49    }
50
51    protected override void RegisterContentEvents() {
52      base.RegisterContentEvents();
53      Content.ItemsAdded += UpdateChart;
54      Content.ItemsRemoved += UpdateChart;
55      Content.CollectionReset += UpdateChart;
56    }
57
58    protected override void DeregisterContentEvents() {
59      base.DeregisterContentEvents();
60      Content.CollectionReset -= UpdateChart;
61      Content.ItemsRemoved -= UpdateChart;
62      Content.CollectionReset -= UpdateChart;
63    }
64
65    protected override void OnContentChanged() {
66      base.OnContentChanged();
67      UpdateChart(this, EventArgs.Empty);
68    }
69
70    protected virtual void UpdateChart(object sender, EventArgs args) {
71      if (InvokeRequired) {
72        Invoke(new EventHandler(UpdateChart), sender, args);
73      } else {
74        try {
75          if (paretoSetChart.IsDisposed) return;
76          var points = paretoSetChart.Series[0].Points;
77          if (Content == null) {
78            points.Clear();
79            return;
80          }
81          var newPoints = Content.Where(solution => solution.Qualities.Length >= 2).Select(s => new { x = s.Qualities[0], y = s.Qualities[1], solution = s}).ToList();
82          if (newPoints.Count > 0) {
83            var chartArea = paretoSetChart.ChartAreas[0];
84            AdaptAxis(chartArea.AxisX, newPoints.Select(p => p.x), 1);
85            AdaptAxis(chartArea.AxisY, newPoints.Select(p => p.y), 1);
86            paretoSetChart.BeginInit();
87            points.Clear();
88            foreach (var point in newPoints) {
89              points.Add(new DataPoint(point.x, point.y) {
90                Tag = point.solution,
91              });
92            }
93            paretoSetChart.EndInit();
94          }
95        } catch (Exception x) {
96          ErrorHandling.ShowErrorDialog(x);
97        }
98      }
99    }
100
101    private void AdaptAxis(Axis axis, IEnumerable<double> values, int precision = 0, double overshot = 0.5, double margin = 0.25) {
102      var newMax = values.Max();
103      var newMin = values.Min();
104      var range = newMax - newMin;
105      newMax = newMax + range*margin;
106      newMin = newMin - range*margin;
107      if (range == 0) return;
108      var oldRange = axis.Maximum - axis.Minimum;
109      if (range*3 < oldRange) {
110        axis.Maximum = Math.Round(newMax+range*overshot, precision);
111        axis.Minimum = Math.Round(newMin-range*overshot , precision);
112      } else {
113        if (newMax > axis.Maximum) axis.Maximum = Math.Round(newMax+range*overshot, precision);
114        if (newMin < axis.Minimum) axis.Minimum = Math.Round(newMin-range*overshot, precision);
115      }
116    }
117
118    private void paretoSetChart_MouseDown(object sender, MouseEventArgs e) { mouseDownPos = e.Location; }
119    private void paretoSetChart_DoubleClick(object sender, EventArgs e) {
120      var pos = mouseDownPos;
121      var result = paretoSetChart.HitTest(pos.X, pos.Y, ChartElementType.DataPoint);
122      var point = result.Object as DataPoint;
123      if (point != null && point.Tag is IContent)
124        MainFormManager.MainForm.ShowContent((IContent)point.Tag);
125    }
126
127
128  }
129}
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