Free cookie consent management tool by TermsFeed Policy Generator

source: branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Command/ChangeDataset/MergeColumnGroupsCommand.cs @ 6935

Last change on this file since 6935 was 6134, checked in by gkronber, 14 years ago

#1471: added plugin for DbExplorer interfaces, deleted .resx files, set svn:ignore properties, and added license header

File size: 3.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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 HeuristicLab.DataImporter.Data;
27using HeuristicLab.DataImporter.Data.CommandBase;
28using HeuristicLab.DataImporter.Data.Model;
29using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
30using System.Windows.Forms;
31
32namespace HeuristicLab.DataImporter.Command {
33  [StorableClass]
34  [ViewableCommandInfo("Merge ColumnGroups", 2, ColumnGroupState.Active, "ColumnGroup Commands", Position = 5, MinActiveColumnGroups = 2)]
35  public class MergeColumnGroupsCommand : DataSetCommandWithAffectedColumnGroupsBase {
36    private SortedDictionary<int, ColumnGroup> oldColumnGroups;
37    private List<int> oldRowCounts;
38    private ColumnGroup newColumnGroup;
39
40    private MergeColumnGroupsCommand()
41      : base(null, null) {
42      oldColumnGroups = new SortedDictionary<int, ColumnGroup>();
43      oldRowCounts = new List<int>();
44    }
45
46    public MergeColumnGroupsCommand(DataSet dataSet, List<string> affectedColumnGroupNames)
47      : base(dataSet, affectedColumnGroupNames) {
48      oldColumnGroups = new SortedDictionary<int, ColumnGroup>();
49      oldRowCounts = new List<int>();
50    }
51
52    public override void Execute() {
53      base.Execute();
54      string name = "";
55      ColumnGroup columnGroup;
56      foreach (string columnGroupName in AffectedColumnGroupNames) {
57        columnGroup = this.DataSet.GetColumnGroup(columnGroupName);
58        oldColumnGroups.Add(this.DataSet.IndexOfColumnGroup(columnGroup), columnGroup);
59        oldRowCounts.Add(columnGroup.RowCount);
60        name = name + " & " + columnGroup.Name;
61      }
62      name = name.Remove(0, 3);
63      this.newColumnGroup = new ColumnGroup(name);
64      foreach (ColumnGroup grp in oldColumnGroups.Values) {
65        newColumnGroup.AddColumns(grp.Columns);
66        DataSet.RemoveColumnGroup(grp);
67      }
68
69      foreach (ColumnBase col in this.newColumnGroup.Columns) {
70        col.Resize(oldRowCounts.Max());
71        col.SortOrder = SortOrder.None;
72      }
73      DataSet.InsertColumnGroup(oldColumnGroups.Keys.ElementAt(0), this.newColumnGroup);
74      DataSet.FireChanged();
75    }
76
77    public override void UndoExecute() {
78      base.UndoExecute();
79      DataSet.RemoveColumnGroup(newColumnGroup);
80      int col;
81      for (int i = 0; i < oldColumnGroups.Count; i++) {
82        col = oldColumnGroups.Keys.ElementAt(i);
83        DataSet.InsertColumnGroup(col, oldColumnGroups[col]);
84        foreach (ColumnBase column in oldColumnGroups[col].Columns)
85          column.Resize(oldRowCounts[i]);
86      }
87      oldColumnGroups.Clear();
88      newColumnGroup = null;
89      oldRowCounts.Clear();
90      DataSet.FireChanged();
91    }
92
93    public override string Description {
94      get { return "Merge column groups"; }
95    }
96  }
97}
Note: See TracBrowser for help on using the repository browser.