[6134] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[9615] | 3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[6134] | 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 HeuristicLab.DataImporter.Data;
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| 26 | using HeuristicLab.DataImporter.Data.CommandBase;
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| 27 | using HeuristicLab.DataImporter.Data.Model;
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[16566] | 28 | using HEAL.Attic;
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[6133] | 29 |
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| 30 | namespace HeuristicLab.DataImporter.Command {
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[16566] | 31 | [StorableType("D5B50465-DB77-4CDE-9043-6968A841BF1C")]
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[6133] | 32 | [ViewableCommandInfoAttribute("Delete Rows", 1, ColumnGroupState.Sorted, "Aggregation", Position = 5)]
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| 33 | public class DeleteRowsWithDuplicateKeyValuesCommand : ColumnGroupCommandBase {
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| 34 | private Dictionary<int, IComparable[]> deletedRows;
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[9614] | 35 | [StorableConstructor]
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[16567] | 36 | protected DeleteRowsWithDuplicateKeyValuesCommand(StorableConstructorFlag _) : base(_) {
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[6133] | 37 | deletedRows = new Dictionary<int, IComparable[]>();
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| 38 | }
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| 39 |
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| 40 | public DeleteRowsWithDuplicateKeyValuesCommand(DataSet dataSet, string columnGroupName)
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| 41 | : base(dataSet, columnGroupName) {
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| 42 | deletedRows = new Dictionary<int, IComparable[]>();
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| 43 | }
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| 44 |
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| 45 | public override string Description {
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| 46 | get { return "Delete rows with duplicate key values"; }
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| 47 | }
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| 48 |
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| 49 | public override void Execute() {
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| 50 | base.Execute();
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[7625] | 51 | if (!ColumnGroup.Columns.Any()) return;
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[6133] | 52 | if (!ColumnGroup.Sorted)
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| 53 | throw new CommandExecutionException("ColumnGroup must be sorted to delete rows with duplicate key.", this);
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| 54 |
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| 55 | for (int i = 0; i < ColumnGroup.RowCount - 1; i++) {
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| 56 | if (ColumnGroup.KeyString(i) == ColumnGroup.KeyString(i + 1))
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| 57 | deletedRows[i + 1] = ColumnGroup.GetRow(i + 1);
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| 58 | }
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| 59 |
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| 60 | foreach (int i in deletedRows.Keys.Reverse())
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| 61 | ColumnGroup.DeleteRow(i);
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| 62 |
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| 63 | ColumnGroup.FireChanged();
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| 64 | }
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| 65 |
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| 66 | public override void UndoExecute() {
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| 67 | base.UndoExecute();
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| 68 | foreach (KeyValuePair<int, IComparable[]> deletedRow in deletedRows)
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| 69 | ColumnGroup.InsertRow(deletedRow.Key, deletedRow.Value);
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| 70 | deletedRows.Clear();
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| 71 | ColumnGroup.FireChanged();
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| 72 |
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| 73 | }
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| 74 | }
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| 75 | }
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