source: branches/2839_HiveProjectManagement/HeuristicLab.DataPreprocessing.Views/3.4/CheckedTransformationListView.cs @ 16057

Last change on this file since 16057 was 16057, checked in by jkarder, 14 months ago

#2839:

File size: 2.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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.Reflection;
25using System.Windows.Forms;
26using HeuristicLab.Core;
27using HeuristicLab.Core.Views;
28using HeuristicLab.MainForm;
29using HeuristicLab.PluginInfrastructure;
30using HeuristicLab.Problems.DataAnalysis;
31
32namespace HeuristicLab.DataPreprocessing.Views {
33  [View("CheckedTransformationList View")]
34  [Content(typeof(ICheckedItemList<ITransformation>), false)]
35  public partial class CheckedTransformationListView : CheckedItemListView<ITransformation> {
36    public CheckedTransformationListView() {
37      InitializeComponent();
38      itemsGroupBox.Text = "Transformations";
39    }
40
41    protected override ITransformation CreateItem() {
42      if (typeSelectorDialog == null) {
43        typeSelectorDialog = new TypeSelectorDialog();
44        typeSelectorDialog.Caption = "Select Transformation";
45        typeSelectorDialog.TypeSelector.Caption = "Available Transformations";
46        typeSelectorDialog.TypeSelector.Configure(typeof(ITransformation), showNotInstantiableTypes: true, showGenericTypes: false, typeCondition: CanInstanciateTransformation);
47      }
48
49      if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
50        try {
51          // TODO: Avoid accessing parent view
52          var transformationView = (TransformationView)Parent;
53          var columnNames = transformationView.Content.PreprocessingData.VariableNames;
54
55          return (ITransformation)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType(new[] { columnNames });
56        } catch (Exception ex) {
57          ErrorHandling.ShowErrorDialog(this, ex);
58        }
59      }
60      return null;
61    }
62
63    private bool CanInstanciateTransformation(Type type) {
64      foreach (ConstructorInfo ctor in type.GetConstructors(BindingFlags.Public | BindingFlags.Instance)) {
65        ParameterInfo[] parameters = ctor.GetParameters();
66        if (parameters.Length == 1 && parameters[0].ParameterType == typeof(IEnumerable<string>)) return true;
67      }
68      return false;
69    }
70  }
71}
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