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source: addons/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Data/Command/ChangeValuesToNullCommand.cs @ 16994

Last change on this file since 16994 was 16994, checked in by gkronber, 5 years ago

#2520 Update plugin dependencies and references for HL.DataImporter for new persistence

File size: 3.0 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.Collections.Generic;
24using System.Drawing;
25using System.Linq;
26using System.Windows.Forms;
27using HeuristicLab.DataImporter.Data.CommandBase;
28using HeuristicLab.DataImporter.Data.Model;
29using HEAL.Attic;
30
31namespace HeuristicLab.DataImporter.Data.Command {
32  [StorableType("6FBA7ABF-98AE-43A7-8E62-EAE4CA4E971F")]
33  public class ChangeValuesToNullCommand : ColumnGroupCommandBase {
34    [Storable]
35    private Dictionary<Point, IComparable> cellValues;
36
37    private ICollection<int> oldSortedColumnIndexes;
38    private IEnumerable<SortOrder> oldSortOrder;
39
40    [StorableConstructor]
41    protected ChangeValuesToNullCommand(StorableConstructorFlag _) : base(_) { }
42
43    public ChangeValuesToNullCommand(DataSet dataSet, string columnGroupName, IEnumerable<Point> cellIndexes)
44      : base(dataSet, columnGroupName) {
45      cellValues = new Dictionary<Point, IComparable>();
46      foreach (Point cellIndex in cellIndexes)
47        cellValues.Add(cellIndex, null);
48    }
49
50    public override void Execute() {
51      base.Execute();
52      foreach (Point cellIndex in cellValues.Keys.ToList()) {
53        cellValues[cellIndex] = ColumnGroup.GetColumn(cellIndex.X).GetValue(cellIndex.Y);
54        ColumnGroup.GetColumn(cellIndex.X).ChangeValue(cellIndex.Y, null);
55      }
56      oldSortedColumnIndexes = new List<int>(ColumnGroup.SortedColumnIndexes);
57      oldSortOrder = ColumnGroup.SortOrdersForColumns.ToList();
58      ColumnGroup.FireChanged();
59      this.ColumnGroup = null;
60    }
61
62    public override void UndoExecute() {
63      base.UndoExecute();
64      foreach (Point cellIndex in cellValues.Keys.ToList()) {
65        ColumnGroup.GetColumn(cellIndex.X).ChangeValueOrNull(cellIndex.Y, cellValues[cellIndex]);
66        cellValues[cellIndex] = null;
67      }
68      ColumnGroup.SortOrdersForColumns = oldSortOrder;
69      ColumnGroup.SortedColumnIndexes = oldSortedColumnIndexes;
70      oldSortedColumnIndexes = null;
71      oldSortOrder = null;
72      ColumnGroup.FireChanged();
73      this.ColumnGroup = null;
74    }
75
76    public override string Description {
77      get { return "Column values deleted"; }
78    }
79  }
80}
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