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source: branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Data/Command/DeleteColumnCommand.cs @ 10147

Last change on this file since 10147 was 9615, checked in by mkommend, 11 years ago

#1734: Updated copyright information in all DataImporter classes.

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.Collections.Generic;
23using System.Linq;
24using System.Windows.Forms;
25using HeuristicLab.DataImporter.Data.CommandBase;
26using HeuristicLab.DataImporter.Data.Model;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.DataImporter.Data.Command {
30  [StorableClass]
31  public class DeleteColumnCommand : ColumnGroupCommandWithAffectedColumnsBase {
32    private List<ColumnBase> deletedColumns;
33    private List<int> oldSortedColumnIndices;
34
35    [StorableConstructor]
36    protected DeleteColumnCommand(bool deserializing)
37      : base(deserializing) {
38      deletedColumns = new List<ColumnBase>();
39    }
40
41    public DeleteColumnCommand(DataSet dataSet, string columnGroupName, int[] affectedColumns)
42      : base(dataSet, columnGroupName, affectedColumns) {
43      deletedColumns = new List<ColumnBase>();
44    }
45
46    public override void Execute() {
47      base.Execute();
48      this.oldSortedColumnIndices = new List<int>(ColumnGroup.SortedColumnIndexes);
49      if (!ColumnGroup.Columns.Any()) return;
50
51      ColumnBase column;
52      foreach (int columnIndex in AffectedColumns.OrderByDescending(i => i)) {
53        column = ColumnGroup.GetColumn(columnIndex);
54        deletedColumns.Insert(0, column);
55        ColumnGroup.RemoveColumn(column);
56        if (column.SortOrder != SortOrder.None)
57          ColumnGroup.SortedColumnIndexes.Remove(columnIndex);
58      }
59      ColumnGroup.FireChanged();
60      this.ColumnGroup = null;
61    }
62
63    public override void UndoExecute() {
64      base.UndoExecute();
65      for (int i = 0; i < deletedColumns.Count; i++)
66        ColumnGroup.InsertColumn(AffectedColumns[i], deletedColumns[i]);
67
68      deletedColumns.Clear();
69      ColumnGroup.SortedColumnIndexes = oldSortedColumnIndices;
70      oldSortedColumnIndices = null;
71      ColumnGroup.FireChanged();
72      this.ColumnGroup = null;
73    }
74
75    public override string Description {
76      get { return "Columns deleted"; }
77    }
78  }
79}
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