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source: trunk/sources/HeuristicLab.Problems.Instances.DataAnalysis.Views/3.3/DataAnalysisInstanceProviderView.cs @ 10000

Last change on this file since 10000 was 10000, checked in by jkarder, 10 years ago

#2110: refactored ProblemInstanceProviderViews

File size: 2.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 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.IO;
24using System.Windows.Forms;
25using HeuristicLab.MainForm;
26using HeuristicLab.Problems.DataAnalysis;
27using HeuristicLab.Problems.Instances.Views;
28
29namespace HeuristicLab.Problems.Instances.DataAnalysis.Views {
30  [View("DataAnalysis InstanceProvider View")]
31  public partial class DataAnalysisInstanceProviderView<T> : ProblemInstanceProviderViewGeneric<T>
32    where T : class, IDataAnalysisProblemData {
33
34    public DataAnalysisInstanceProviderView() {
35      InitializeComponent();
36    }
37
38    protected override void importButton_Click(object sender, EventArgs e) {
39      var provider = Content as DataAnalysisInstanceProvider<T, DataAnalysisImportType>;
40      if (provider != null) {
41        var importTypeDialog = new DataAnalysisImportTypeDialog();
42        if (importTypeDialog.ShowDialog() == DialogResult.OK) {
43          T instance = default(T);
44          try {
45            instance = provider.ImportData(importTypeDialog.Path, importTypeDialog.ImportType, importTypeDialog.CSVFormat);
46          } catch (IOException ex) {
47            ErrorWhileParsing(ex);
48            return;
49          }
50          try {
51            GenericConsumer.Load(instance);
52            instancesComboBox.SelectedIndex = -1;
53          } catch (IOException ex) {
54            ErrorWhileLoading(ex, importTypeDialog.Path);
55          }
56        }
57      } else {
58        base.importButton_Click(sender, e);
59      }
60    }
61
62    protected void ErrorWhileParsing(Exception ex) {
63      MessageBox.Show(String.Format("There was an error parsing the file: {0}", Environment.NewLine + ex.Message), "Error while parsing", MessageBoxButtons.OK, MessageBoxIcon.Error);
64    }
65    protected void ErrorWhileLoading(Exception ex, string path) {
66      MessageBox.Show(String.Format("This problem does not support loading the instance {0}: {1}", Path.GetFileName(path), Environment.NewLine + ex.Message), "Cannot load instance");
67    }
68  }
69}
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