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source: branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Data/Command/DeleteColumnCommand.cs @ 7562

Last change on this file since 7562 was 7267, checked in by gkronber, 13 years ago

#1734 updated copyright year in all files of the DataImporter branch

File size: 2.8 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;
23using System.Collections.Generic;
24using System.Linq;
25using System.Text;
26using System.Windows.Forms;
27using HeuristicLab.DataImporter.Data.CommandBase;
28using HeuristicLab.DataImporter.Data.Model;
29using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
30
31namespace HeuristicLab.DataImporter.Data.Command {
32  [StorableClass]
33  public class DeleteColumnCommand : ColumnGroupCommandWithAffectedColumnsBase {
34    private List<ColumnBase> deletedColumns;
35    private List<int> oldSortedColumnIndices;
36
37    private DeleteColumnCommand()
38      : base(null, string.Empty, null) {
39      deletedColumns = new List<ColumnBase>();
40    }
41
42    public DeleteColumnCommand(DataSet dataSet, string columnGroupName, int[] affectedColumns)
43      : base(dataSet, columnGroupName, affectedColumns) {
44      deletedColumns = new List<ColumnBase>();
45    }
46
47    public override void Execute() {
48      base.Execute();
49      this.oldSortedColumnIndices = new List<int>(ColumnGroup.SortedColumnIndexes);
50      ColumnBase column;
51      foreach (int columnIndex in AffectedColumns.Reverse()) {
52        column = ColumnGroup.GetColumn(columnIndex);
53        deletedColumns.Insert(0, column);
54        ColumnGroup.RemoveColumn(column);
55        if (column.SortOrder != SortOrder.None)
56          ColumnGroup.SortedColumnIndexes.Remove(columnIndex);
57      }
58      ColumnGroup.FireChanged();
59      this.ColumnGroup = null;
60    }
61
62    public override void UndoExecute() {
63      base.UndoExecute();
64      for (int i = 0; i < AffectedColumns.Length; i++)
65        ColumnGroup.InsertColumn(AffectedColumns[i], deletedColumns[i]);
66
67      deletedColumns.Clear();
68      ColumnGroup.SortedColumnIndexes = oldSortedColumnIndices;
69      oldSortedColumnIndices = null;
70      ColumnGroup.FireChanged();
71      this.ColumnGroup = null;
72    }
73
74    public override string Description {
75      get { return "Columns deleted"; }
76    }
77  }
78}
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