source: trunk/HeuristicLab.Problems.Instances.DataAnalysis.Views/3.3/RegressionInstanceProviderView.cs @ 16430

Last change on this file since 16430 was 16430, checked in by pfleck, 8 months ago

#2845 merged branch into trunk
Reviewed by mkommenda

File size: 2.8 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.Threading.Tasks;
24using System.Windows.Forms;
25using HeuristicLab.MainForm;
26using HeuristicLab.Problems.DataAnalysis;
27
28namespace HeuristicLab.Problems.Instances.DataAnalysis.Views {
29  [View("Regression InstanceProvider View")]
30  [Content(typeof(RegressionInstanceProvider), IsDefaultView = true)]
31  public partial class RegressionInstanceProviderView : DataAnalysisInstanceProviderView<IRegressionProblemData> {
32
33    public new RegressionInstanceProvider Content {
34      get { return (RegressionInstanceProvider)base.Content; }
35      set { base.Content = value; }
36    }
37
38    public RegressionInstanceProviderView() {
39      InitializeComponent();
40    }
41
42    protected override void importButton_Click(object sender, EventArgs e) {
43      var importTypeDialog = new RegressionImportDialog();
44      if (importTypeDialog.ShowDialog() == DialogResult.OK) {
45        IRegressionProblemData instance = null;
46
47        Task.Factory.StartNew(() => {
48          var activeView = (IContentView)MainFormManager.MainForm.ActiveView;
49          var content = activeView.Content;
50          // lock active view and show progress bar
51          try {
52            var progress = Progress.Show(content, "Loading problem instance.");
53
54            Content.ProgressChanged += (o, args) => { progress.ProgressValue = args.ProgressPercentage / 100.0; };
55
56            instance = Content.ImportData(importTypeDialog.Path, importTypeDialog.ImportType, importTypeDialog.CSVFormat);
57          } catch (Exception ex) {
58            ErrorWhileParsing(ex);
59            return;
60          } finally {
61            Progress.Hide(content);
62          }
63
64          try {
65            GenericConsumer.Load(instance);
66          } catch (Exception ex) {
67            ErrorWhileLoading(ex, importTypeDialog.Path);
68          } finally {
69            Invoke((Action)(() => instancesComboBox.SelectedIndex = -1));
70          }
71        });
72      }
73    }
74  }
75}
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