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source: branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Command/ChangeDataset/MergeColumnGroupsCommand.cs @ 12296

Last change on this file since 12296 was 9615, checked in by mkommend, 11 years ago

#1734: Updated copyright information in all DataImporter classes.

File size: 3.6 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;
26using HeuristicLab.DataImporter.Data.CommandBase;
27using HeuristicLab.DataImporter.Data.Model;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.DataImporter.Command {
31  [StorableClass]
32  [ViewableCommandInfo("Merge ColumnGroups", 2, ColumnGroupState.Active, "ColumnGroup Commands", Position = 5, MinActiveColumnGroups = 2)]
33  public class MergeColumnGroupsCommand : DataSetCommandWithAffectedColumnGroupsBase {
34    private SortedDictionary<int, ColumnGroup> oldColumnGroups;
35    private List<int> oldRowCounts;
36    private ColumnGroup newColumnGroup;
37
38    [StorableConstructor]
39    protected MergeColumnGroupsCommand(bool deserializing)
40      : base(deserializing) {
41      oldColumnGroups = new SortedDictionary<int, ColumnGroup>();
42      oldRowCounts = new List<int>();
43    }
44
45    public MergeColumnGroupsCommand(DataSet dataSet, List<string> affectedColumnGroupNames)
46      : base(dataSet, affectedColumnGroupNames) {
47      oldColumnGroups = new SortedDictionary<int, ColumnGroup>();
48      oldRowCounts = new List<int>();
49    }
50
51    public override void Execute() {
52      base.Execute();
53      string name = "";
54      ColumnGroup columnGroup;
55      foreach (string columnGroupName in AffectedColumnGroupNames) {
56        columnGroup = this.DataSet.GetColumnGroup(columnGroupName);
57        oldColumnGroups.Add(this.DataSet.IndexOfColumnGroup(columnGroup), columnGroup);
58        oldRowCounts.Add(columnGroup.RowCount);
59        name = name + " & " + columnGroup.Name;
60      }
61      name = name.Remove(0, 3);
62      this.newColumnGroup = new ColumnGroup(name);
63      foreach (ColumnGroup grp in oldColumnGroups.Values) {
64        newColumnGroup.AddColumns(grp.Columns);
65        DataSet.RemoveColumnGroup(grp);
66      }
67
68      foreach (ColumnBase col in this.newColumnGroup.Columns) {
69        col.Resize(oldRowCounts.Max());
70        col.SortOrder = SortOrder.None;
71      }
72      DataSet.InsertColumnGroup(oldColumnGroups.Keys.ElementAt(0), this.newColumnGroup);
73      DataSet.FireChanged();
74    }
75
76    public override void UndoExecute() {
77      base.UndoExecute();
78      DataSet.RemoveColumnGroup(newColumnGroup);
79      int col;
80      for (int i = 0; i < oldColumnGroups.Count; i++) {
81        col = oldColumnGroups.Keys.ElementAt(i);
82        DataSet.InsertColumnGroup(col, oldColumnGroups[col]);
83        foreach (ColumnBase column in oldColumnGroups[col].Columns)
84          column.Resize(oldRowCounts[i]);
85      }
86      oldColumnGroups.Clear();
87      newColumnGroup = null;
88      oldRowCounts.Clear();
89      DataSet.FireChanged();
90    }
91
92    public override string Description {
93      get { return "Merge column groups"; }
94    }
95  }
96}
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