[13502] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2015 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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[10783] | 23 | using System.Collections.Generic;
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| 24 | using HeuristicLab.Common;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Data;
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| 27 | using HeuristicLab.Problems.DataAnalysis;
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| 28 |
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[13502] | 29 | namespace HeuristicLab.DataPreprocessing {
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[10804] | 30 | public class FilteredPreprocessingData : NamedItem, IFilteredPreprocessingData {
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[10978] | 31 | private readonly ITransactionalPreprocessingData originalData;
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| 32 | private ITransactionalPreprocessingData filteredData;
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[10783] | 33 |
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[10999] | 34 | public IntRange TrainingPartition {
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| 35 | get { return originalData.TrainingPartition; }
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| 36 | }
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| 37 |
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| 38 | public IntRange TestPartition {
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| 39 | get { return originalData.TestPartition; }
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| 40 | }
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| 41 |
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| 42 | public IList<ITransformation> Transformations {
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| 43 | get { return originalData.Transformations; }
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| 44 | }
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| 45 |
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| 46 | public IEnumerable<string> VariableNames {
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| 47 | get { return ActiveData.VariableNames; }
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| 48 | }
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| 49 |
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[10992] | 50 | public IDictionary<int, IList<int>> Selection {
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[10978] | 51 | get { return originalData.Selection; }
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| 52 | set { originalData.Selection = value; }
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| 53 | }
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| 54 |
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[10999] | 55 | public int Columns {
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| 56 | get { return ActiveData.Columns; }
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[10783] | 57 | }
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| 58 |
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[10999] | 59 | public int Rows {
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| 60 | get { return ActiveData.Rows; }
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| 61 | }
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| 62 |
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| 63 | public ITransactionalPreprocessingData ActiveData {
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| 64 | get { return IsFiltered ? filteredData : originalData; }
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| 65 | }
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| 66 |
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| 67 | public bool IsUndoAvailable {
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| 68 | get { return IsFiltered ? false : originalData.IsUndoAvailable; }
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| 69 | }
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| 70 |
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| 71 | public bool IsFiltered {
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| 72 | get { return filteredData != null; }
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| 73 | }
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| 74 |
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| 75 |
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[10783] | 76 | public FilteredPreprocessingData(ITransactionalPreprocessingData preporcessingData)
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| 77 | : base() {
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[10804] | 78 | originalData = preporcessingData;
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| 79 | filteredData = null;
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[10783] | 80 | }
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| 81 |
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[10999] | 82 | protected FilteredPreprocessingData(FilteredPreprocessingData original, Cloner cloner)
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| 83 | : base(original, cloner) {
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| 84 | originalData = original.originalData;
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| 85 | filteredData = original.filteredData;
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| 86 | }
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[10804] | 87 | public override IDeepCloneable Clone(Cloner cloner) {
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| 88 | return new FilteredPreprocessingData(this, cloner);
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| 89 | }
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[10783] | 90 |
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[10804] | 91 | public T GetCell<T>(int columnIndex, int rowIndex) {
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| 92 | return ActiveData.GetCell<T>(columnIndex, rowIndex);
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| 93 | }
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[10783] | 94 |
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[10804] | 95 | public void SetCell<T>(int columnIndex, int rowIndex, T value) {
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[10978] | 96 | if (IsFiltered)
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[11003] | 97 | throw new InvalidOperationException("SetValues not possible while data is filtered");
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[10978] | 98 | originalData.SetCell<T>(columnIndex, rowIndex, value);
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[10804] | 99 | }
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[10783] | 100 |
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[10804] | 101 | public string GetCellAsString(int columnIndex, int rowIndex) {
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| 102 | return ActiveData.GetCellAsString(columnIndex, rowIndex);
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| 103 | }
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[10783] | 104 |
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[10809] | 105 | public IList<T> GetValues<T>(int columnIndex, bool considerSelection) {
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| 106 | return ActiveData.GetValues<T>(columnIndex, considerSelection);
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[10804] | 107 | }
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[10783] | 108 |
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[10804] | 109 | public void SetValues<T>(int columnIndex, IList<T> values) {
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[10978] | 110 | if (IsFiltered)
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| 111 | throw new InvalidOperationException("SetValues not possible while data is filtered");
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| 112 |
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| 113 | originalData.SetValues<T>(columnIndex, values);
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[10804] | 114 | }
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[10783] | 115 |
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[10804] | 116 | public void InsertRow(int rowIndex) {
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[10978] | 117 | if (IsFiltered)
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| 118 | throw new InvalidOperationException("InsertRow not possible while data is filtered");
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| 119 |
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| 120 | originalData.InsertRow(rowIndex);
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[10804] | 121 | }
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[10783] | 122 |
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[10804] | 123 | public void DeleteRow(int rowIndex) {
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[10978] | 124 | if (IsFiltered)
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| 125 | throw new InvalidOperationException("DeleteRow not possible while data is filtered");
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| 126 |
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| 127 | originalData.DeleteRow(rowIndex);
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[10804] | 128 | }
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[10783] | 129 |
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[10804] | 130 | public void InsertColumn<T>(string variableName, int columnIndex) {
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[10978] | 131 | if (IsFiltered)
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| 132 | throw new InvalidOperationException("InsertColumn not possible while data is filtered");
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| 133 |
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| 134 | originalData.InsertColumn<T>(variableName, columnIndex);
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[10804] | 135 | }
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[10783] | 136 |
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[10804] | 137 | public void DeleteColumn(int columnIndex) {
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[10978] | 138 | if (IsFiltered)
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| 139 | throw new InvalidOperationException("DeleteColumn not possible while data is filtered");
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| 140 | originalData.DeleteColumn(columnIndex);
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[10804] | 141 | }
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[10783] | 142 |
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[13252] | 143 | public void RenameColumn(int columnIndex, string name) {
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| 144 | if (IsFiltered)
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| 145 | throw new InvalidOperationException("RenameColumn not possible while data is filtered");
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| 146 | originalData.RenameColumn(columnIndex, name);
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| 147 | }
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| 148 |
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| 149 | public void RenameColumns(IList<string> names) {
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| 150 | if (IsFiltered)
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| 151 | throw new InvalidOperationException("RenameColumns not possible while data is filtered");
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| 152 | originalData.RenameColumns(names);
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| 153 | }
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| 154 |
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[10804] | 155 | public string GetVariableName(int columnIndex) {
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| 156 | return ActiveData.GetVariableName(columnIndex);
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| 157 | }
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[10783] | 158 |
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[10804] | 159 | public int GetColumnIndex(string variableName) {
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| 160 | return ActiveData.GetColumnIndex(variableName);
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| 161 | }
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[10783] | 162 |
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[11156] | 163 | public bool VariableHasType<T>(int columnIndex) {
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| 164 | return originalData.VariableHasType<T>(columnIndex);
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[10804] | 165 | }
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[10783] | 166 |
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[10804] | 167 | public Dataset ExportToDataset() {
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| 168 | return originalData.ExportToDataset();
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| 169 | }
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[10783] | 170 |
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[10804] | 171 | public void SetFilter(bool[] rowFilters) {
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| 172 | filteredData = (ITransactionalPreprocessingData)originalData.Clone();
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[10939] | 173 | filteredData.InTransaction(() => {
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| 174 | for (int row = (rowFilters.Length - 1); row >= 0; --row) {
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| 175 | if (rowFilters[row]) {
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| 176 | filteredData.DeleteRow(row);
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| 177 | }
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[10804] | 178 | }
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[10939] | 179 | });
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[10900] | 180 | OnFilterChanged();
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[10804] | 181 | }
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[10783] | 182 |
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[10804] | 183 | public void PersistFilter() {
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[10900] | 184 | originalData.InTransaction(() => {
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| 185 | for (int i = 0; i < filteredData.Columns; ++i) {
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[11156] | 186 | if (filteredData.VariableHasType<double>(i)) {
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[10900] | 187 | originalData.SetValues<double>(i, filteredData.GetValues<double>(i));
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[11156] | 188 | } else if (filteredData.VariableHasType<string>(i)) {
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[10900] | 189 | originalData.SetValues<string>(i, filteredData.GetValues<string>(i));
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[11156] | 190 | } else if (filteredData.VariableHasType<DateTime>(i)) {
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[10900] | 191 | originalData.SetValues<DateTime>(i, filteredData.GetValues<DateTime>(i));
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| 192 | } else {
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| 193 | throw new ArgumentException("Data types of columns do not match");
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| 194 | }
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| 195 | }
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| 196 | });
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[10804] | 197 | ResetFilter();
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| 198 | }
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[10783] | 199 |
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[10804] | 200 | public void ResetFilter() {
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| 201 | filteredData = null;
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[10900] | 202 | OnFilterChanged();
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[10804] | 203 | }
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[10783] | 204 |
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[10900] | 205 | private void OnFilterChanged() {
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| 206 | if (FilterChanged != null) {
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| 207 | FilterChanged(this, new EventArgs());
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| 208 | }
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| 209 | }
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| 210 |
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[11003] | 211 | public event DataPreprocessingChangedEventHandler Changed {
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| 212 | add { originalData.Changed += value; }
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| 213 | remove { originalData.Changed -= value; }
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| 214 | }
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| 215 |
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| 216 | public bool SetValue(string value, int columnIndex, int rowIndex) {
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| 217 | if (IsFiltered)
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| 218 | throw new InvalidOperationException("SetValue not possible while data is filtered");
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| 219 | return originalData.SetValue(value, columnIndex, rowIndex);
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| 220 | }
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| 221 |
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| 222 | public bool AreAllStringColumns(IEnumerable<int> columnIndices) {
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| 223 | return originalData.AreAllStringColumns(columnIndices);
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| 224 | }
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| 225 |
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| 226 | public void DeleteRowsWithIndices(IEnumerable<int> rows) {
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| 227 | if (IsFiltered)
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| 228 | throw new InvalidOperationException("DeleteRowsWithIndices not possible while data is filtered");
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| 229 |
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| 230 | originalData.DeleteRowsWithIndices(rows);
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| 231 | }
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| 232 |
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[10804] | 233 | public void Undo() {
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[10978] | 234 | if (IsFiltered)
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| 235 | throw new InvalidOperationException("Undo not possible while data is filtered");
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| 236 |
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| 237 | originalData.Undo();
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[10804] | 238 | }
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[10783] | 239 |
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[10804] | 240 | public void InTransaction(Action action, DataPreprocessingChangedEventType type = DataPreprocessingChangedEventType.Any) {
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[10978] | 241 | if (IsFiltered)
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| 242 | throw new InvalidOperationException("Transaction not possible while data is filtered");
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| 243 | originalData.InTransaction(action, type);
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[10804] | 244 | }
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[10783] | 245 |
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[10804] | 246 | public void BeginTransaction(DataPreprocessingChangedEventType type) {
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[10978] | 247 | if (IsFiltered)
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| 248 | throw new InvalidOperationException("Transaction not possible while data is filtered");
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| 249 | originalData.BeginTransaction(type);
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[10804] | 250 | }
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| 251 |
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| 252 | public void EndTransaction() {
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| 253 | originalData.EndTransaction();
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| 254 | }
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| 255 |
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[10999] | 256 | public IEnumerable<string> GetDoubleVariableNames() {
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| 257 | return originalData.GetDoubleVariableNames();
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| 258 | }
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[10900] | 259 |
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[10804] | 260 | public void ClearSelection() {
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| 261 | originalData.ClearSelection();
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| 262 | }
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| 263 |
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[10847] | 264 | public event EventHandler SelectionChanged {
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| 265 | add { originalData.SelectionChanged += value; }
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| 266 | remove { originalData.SelectionChanged -= value; }
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| 267 | }
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[10804] | 268 |
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[11003] | 269 | #region IPreprocessingData Members
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| 270 |
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| 271 | public bool Validate(string value, out string errorMessage, int columnIndex) {
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| 272 | return originalData.Validate(value, out errorMessage, columnIndex);
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| 273 | }
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| 274 |
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[10999] | 275 | public event EventHandler FilterChanged;
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[11003] | 276 | #endregion
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[10783] | 277 | }
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| 278 | }
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