source: branches/2520_PersistenceReintegration/HeuristicLab.DataPreprocessing/3.4/Content/PreprocessingChartContent.cs @ 16474

Last change on this file since 16474 was 16474, checked in by gkronber, 9 months ago

#2520: checked and added StorableType attribute in projects up to HeuristicLab.MainForm

File size: 4.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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 HeuristicLab.Analysis;
27using HeuristicLab.Common;
28using HeuristicLab.Common.Resources;
29using HeuristicLab.Core;
30using HeuristicLab.Data;
31using HEAL.Fossil;
32
33namespace HeuristicLab.DataPreprocessing {
34  [Item("PreprocessingChart", "Represents a preprocessing chart.")]
35  [StorableType("7EDAFA6E-E4B1-4150-BB57-280A9F9E61D8")]
36  public class PreprocessingChartContent : PreprocessingContent, IViewShortcut {
37    [StorableType("d4c1c81a-f0c5-496f-8264-76b75572c0fc")]
38    public enum LegendOrder {
39      Alphabetically,
40      Appearance
41    }
42
43    public static new Image StaticItemImage {
44      get { return VSImageLibrary.PieChart; }
45    }
46
47    [Storable]
48    private ICheckedItemList<StringValue> variableItemList;
49    public ICheckedItemList<StringValue> VariableItemList {
50      get {
51        if (variableItemList == null)
52          variableItemList = CreateVariableItemList(PreprocessingData);
53        return variableItemList;
54      }
55    }
56
57    public event DataPreprocessingChangedEventHandler Changed {
58      add { PreprocessingData.Changed += value; }
59      remove { PreprocessingData.Changed -= value; }
60    }
61
62    #region Constructor, Cloning & Persistence
63    public PreprocessingChartContent(IFilteredPreprocessingData preprocessingData)
64       : base(preprocessingData) {
65    }
66
67    public PreprocessingChartContent(PreprocessingChartContent original, Cloner cloner)
68      : base(original, cloner) {
69      variableItemList = cloner.Clone(original.variableItemList);
70    }
71    public override IDeepCloneable Clone(Cloner cloner) {
72      return new PreprocessingChartContent(this, cloner);
73    }
74
75    [StorableConstructor]
76    protected PreprocessingChartContent(StorableConstructorFlag _) : base(_) { }
77    #endregion
78
79    public DataRow CreateDataRow(string variableName, DataRowVisualProperties.DataRowChartType chartType) {
80      return CreateDataRow(PreprocessingData, variableName, chartType);
81    }
82
83    public static DataRow CreateDataRow(IFilteredPreprocessingData preprocessingData, string variableName, DataRowVisualProperties.DataRowChartType chartType) {
84      var values = preprocessingData.GetValues<double>(preprocessingData.GetColumnIndex(variableName));
85      var row = new DataRow(variableName, "", values) {
86        VisualProperties = {
87          ChartType = chartType,
88          StartIndexZero = true
89        }
90      };
91      return row;
92    }
93
94    private static ICheckedItemList<StringValue> CreateVariableItemList(IPreprocessingData preprocessingData) {
95      ICheckedItemList<StringValue> itemList = new CheckedItemList<StringValue>();
96      foreach (string name in preprocessingData.GetDoubleVariableNames()) {
97        var n = new StringValue(name);
98        bool isInputTarget = preprocessingData.InputVariables.Contains(name) || preprocessingData.TargetVariable == name;
99        itemList.Add(n, isInputTarget);
100      }
101      return new ReadOnlyCheckedItemList<StringValue>(itemList);
102    }
103
104    public static IEnumerable<string> GetVariableNamesForGrouping(IPreprocessingData preprocessingData, int maxDistinctValues = 20) {
105      var variableNames = new List<string>();
106
107      for (int i = 0; i < preprocessingData.Columns; ++i) {
108        int distinctValues = Int32.MaxValue;
109        if (preprocessingData.VariableHasType<double>(i))
110          distinctValues = preprocessingData.GetValues<double>(i).GroupBy(x => x).Count();
111        else if (preprocessingData.VariableHasType<string>(i))
112          distinctValues = preprocessingData.GetValues<string>(i).GroupBy(x => x).Count();
113        else if (preprocessingData.VariableHasType<DateTime>(i))
114          distinctValues = preprocessingData.GetValues<DateTime>(i).GroupBy(x => x).Count();
115
116        if (distinctValues <= maxDistinctValues)
117          variableNames.Add(preprocessingData.GetVariableName(i));
118      }
119      return variableNames;
120    }
121  }
122}
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