source: branches/DataPreprocessing Enhancements/HeuristicLab.DataPreprocessing.Views/3.4/TransformationView.cs @ 14467

Last change on this file since 14467 was 14185, checked in by swagner, 5 years ago

#2526: Updated year of copyrights in license headers

File size: 3.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2016 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.Linq;
24using System.Windows.Forms;
25using HeuristicLab.MainForm;
26using HeuristicLab.MainForm.WindowsForms;
27using HeuristicLab.Problems.DataAnalysis;
28
29namespace HeuristicLab.DataPreprocessing.Views {
30
31  [View("Transformation View")]
32  [Content(typeof(TransformationContent), true)]
33  public partial class TransformationView : AsynchronousContentView {
34
35    public new TransformationContent Content {
36      get { return (TransformationContent)base.Content; }
37      set { base.Content = value; }
38    }
39
40    public TransformationView() {
41      InitializeComponent();
42    }
43
44    protected override void OnContentChanged() {
45      base.OnContentChanged();
46      if (Content == null) {
47        transformationListView.Content = null;
48      } else {
49        transformationListView.Content = Content.CheckedTransformationList;
50        CheckFilters();
51      }
52    }
53
54    /// <summary>
55    /// Adds eventhandlers to the current instance.
56    /// </summary>
57    protected override void RegisterContentEvents() {
58      Content.FilterLogic.FilterChanged += FilterLogic_FilterChanged;
59    }
60
61    /// <summary>
62    /// Removes the eventhandlers from the current instance.
63    /// </summary>
64    protected override void DeregisterContentEvents() {
65      Content.FilterLogic.FilterChanged -= FilterLogic_FilterChanged;
66    }
67
68    void FilterLogic_FilterChanged(object sender, EventArgs e) {
69      if (Content != null) {
70        CheckFilters();
71      }
72    }
73
74    private void CheckFilters() {
75      if (Content.FilterLogic.IsFiltered) {
76        applyButton.Enabled = false;
77        lblFilterNotice.Visible = true;
78      } else {
79        applyButton.Enabled = true;
80        lblFilterNotice.Visible = false;
81      }
82    }
83
84    private void applyButton_Click(object sender, EventArgs e) {
85      var transformations = Content.CheckedTransformationList.CheckedItems.Select(x => x.Value);
86
87      if (transformations.Any(x => ((Transformation)x).ColumnParameter.Value == null)) {
88        MessageBox.Show(this, "Parameter \"Column\" of a selected Transformation is not set.", "Applying Transformations...", MessageBoxButtons.OK, MessageBoxIcon.Warning);
89        return;
90      }
91
92      var transformator = new PreprocessingTransformator(Content.Data);
93      bool preserve = preserveColumnsCheckbox.CheckState == CheckState.Checked;
94      string errorMsg;
95      bool success = transformator.ApplyTransformations(transformations, preserve, out errorMsg);
96      if (success) {
97        Content.CheckedTransformationList.Clear();
98        MessageBox.Show(this, "Transformations applied.", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
99      } else {
100        MessageBox.Show(this,
101          "Error in Transformation.\nValue is copied when transformion of cell failed.\n" + errorMsg,
102          "Transformation failed", MessageBoxButtons.OK, MessageBoxIcon.Warning);
103      }
104    }
105  }
106}
Note: See TracBrowser for help on using the repository browser.