source: branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Command/ChangeDataset/DeleteColumnGroupCommand.cs @ 7992

Last change on this file since 7992 was 7992, checked in by sforsten, 9 years ago

#1858: Multiple ColumnGroups can be deleted at once and are inserted correctly if the command is undone.

File size: 2.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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.Collections.Generic;
23using HeuristicLab.DataImporter.Data;
24using HeuristicLab.DataImporter.Data.CommandBase;
25using HeuristicLab.DataImporter.Data.Model;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.DataImporter.Command {
29  [StorableClass]
30  [ViewableCommandInfoAttribute("Delete ColumnGroup", 1, ColumnGroupState.Active, "ColumnGroup Commands", Position = 1, MinActiveColumnGroups = 1)]
31  public class DeleteColumnGroupCommand : DataSetCommandWithAffectedColumnGroupsBase {
32    private List<KeyValuePair<int, ColumnGroup>> deletedColumnGroups;
33
34    private DeleteColumnGroupCommand()
35      : base(null, null) {
36      deletedColumnGroups = new List<KeyValuePair<int, ColumnGroup>>();
37    }
38
39    public DeleteColumnGroupCommand(DataSet dataSet, List<string> affectedColumnGroupNames)
40      : base(dataSet, affectedColumnGroupNames) {
41      deletedColumnGroups = new List<KeyValuePair<int, ColumnGroup>>();
42    }
43
44    public override string Description {
45      get { return "Delete ColumnGroup"; }
46    }
47
48    public override void Execute() {
49      base.Execute();
50      ColumnGroup columnGroup;
51      foreach (string columnGroupName in AffectedColumnGroupNames) {
52        columnGroup = this.DataSet.GetColumnGroup(columnGroupName);
53        deletedColumnGroups.Add(new KeyValuePair<int, ColumnGroup>(this.DataSet.IndexOfColumnGroup(columnGroup), columnGroup));
54        this.DataSet.RemoveColumnGroup(columnGroup);
55      }
56      this.DataSet.FireChanged();
57    }
58
59    public override void UndoExecute() {
60      base.UndoExecute();
61      deletedColumnGroups.Reverse();
62      for (int i = 0; i < deletedColumnGroups.Count; i++)
63        this.DataSet.InsertColumnGroup(deletedColumnGroups[i].Key, deletedColumnGroups[i].Value);
64      deletedColumnGroups.Clear();
65      this.DataSet.FireChanged();
66    }
67  }
68}
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