[6134] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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[6133] | 23 | using System.Collections.Generic;
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| 24 | using System.Linq;
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| 25 | using System.Text;
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| 26 | using HeuristicLab.DataImporter.Data.CommandBase;
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| 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 28 | using HeuristicLab.DataImporter.Data;
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| 29 | using HeuristicLab.DataImporter.Data.Model;
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| 30 |
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| 31 | namespace HeuristicLab.DataImporter.Command {
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| 32 | [StorableClass]
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| 33 | [ViewableCommandInfo("Split categorial column", 1, ColumnGroupState.ColumnSelected, "Column Commands",
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| 34 | Position = 16, SelectedColumns = 1)]
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| 35 | public class SplitCategorialColumnCommand : ColumnCommandBase {
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| 36 | private int addedColumnsCount;
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| 37 | private const double SETVALUE = 1.0;
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| 38 | private const double NOTSETVALUE = 0.0;
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| 39 |
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| 40 | private SplitCategorialColumnCommand()
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| 41 | : base(null, string.Empty, -1) {
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| 42 | }
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| 43 |
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| 44 | public SplitCategorialColumnCommand(DataSet dataSet, string columnGroupName, int columnIndex)
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| 45 | : base(dataSet, columnGroupName, columnIndex) {
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| 46 | }
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| 47 |
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| 48 | public override string Description {
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| 49 | get { return "Split categorial column"; }
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| 50 | }
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| 51 |
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| 52 | public override void Execute() {
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| 53 | base.Execute();
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| 54 | if (Column.NullValuesCount != 0)
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| 55 | throw new CommandExecutionException("Categorial column must not contain null values.", this);
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| 56 |
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| 57 | int columnIndex = this.ColumnGroup.IndexOfColumn(Column);
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| 58 | Dictionary<string, DoubleColumn> addedColumns = new Dictionary<string, DoubleColumn>();
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| 59 | foreach (string value in Column.ValuesEnumerable.Cast<IComparable>().Distinct().OrderBy(c => c).Select(o => o.ToString())) {
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| 60 | DoubleColumn doubleColumn = new DoubleColumn(Column.Name + " " + value.ToString());
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| 61 | addedColumns[value] = doubleColumn;
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| 62 | ColumnGroup.InsertColumn(columnIndex + addedColumnsCount + 1, doubleColumn);
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| 63 | addedColumnsCount++;
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| 64 | }
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| 65 |
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| 66 | for (int row = 0; row < ColumnGroup.RowCount; row++) {
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| 67 | string value = Column.GetValue(row).ToString();
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| 68 | foreach (KeyValuePair<string, DoubleColumn> pair in addedColumns) {
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| 69 | if (pair.Key == value)
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| 70 | pair.Value.AddValue(SETVALUE);
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| 71 | else
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| 72 | pair.Value.AddValue(NOTSETVALUE);
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| 73 | }
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| 74 | }
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| 75 | ColumnGroup.FireChanged();
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| 76 | }
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| 77 |
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| 78 | public override void UndoExecute() {
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| 79 | base.UndoExecute();
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| 80 | int columnIndex = this.ColumnGroup.IndexOfColumn(Column);
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| 81 | for (int i = 0; i < addedColumnsCount; i++)
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| 82 | this.ColumnGroup.RemoveColumn(columnIndex + 1);
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| 83 | addedColumnsCount = 0;
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| 84 | ColumnGroup.FireChanged();
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| 85 | }
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| 86 | }
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| 87 | }
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