[6134] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[7267] | 3 | * Copyright (C) 2002-2012 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 System.Text;
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| 26 | using System.Xml;
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| 27 | using HeuristicLab.DataImporter.Data.CommandBase;
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| 28 | using HeuristicLab.DataImporter.Data.Model;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 |
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| 31 | namespace HeuristicLab.DataImporter.DataProcessor.Command {
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| 32 | [StorableClass]
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| 33 | public class ReorderColumnsCommand : DataSetCommandBase {
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| 34 | [Storable]
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| 35 | private Dictionary<string, int[]> displayedIndexes;
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| 36 |
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| 37 | private ReorderColumnsCommand()
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| 38 | : base(null) {
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| 39 | }
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| 40 |
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| 41 | public ReorderColumnsCommand(DataSet ds, Dictionary<string, int[]> displayedIndexes)
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| 42 | : base(ds) {
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| 43 | this.displayedIndexes = displayedIndexes;
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| 44 | }
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| 45 |
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| 46 | public override string Description {
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| 47 | get { return "Reorder Columns"; }
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| 48 | }
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| 49 |
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| 50 | public override void Execute() {
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| 51 | base.Execute();
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| 52 | ReorderColumns(true);
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| 53 | this.DataSet.FireChanged();
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| 54 | }
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| 55 |
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| 56 | public override void UndoExecute() {
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| 57 | base.UndoExecute();
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| 58 | ReorderColumns(false);
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| 59 | this.DataSet.FireChanged();
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| 60 | }
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| 61 |
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| 62 | private void ReorderColumns(bool forward) {
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| 63 | ColumnGroup grp;
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| 64 | int[] indices;
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| 65 | List<int> sortedColumnIndices;
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| 66 | int newIndex;
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| 67 | int oldIndex;
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| 68 | List<ColumnBase> columns;
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| 69 | foreach (KeyValuePair<string, int[]> pair in displayedIndexes) {
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| 70 | grp = this.DataSet.GetColumnGroup(pair.Key);
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| 71 | indices = pair.Value;
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| 72 | columns = grp.Columns.ToList();
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| 73 | sortedColumnIndices = new List<int>(grp.SortedColumnIndexes);
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| 74 | for (int j = 0; j < indices.Length; j++) {
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| 75 | sortedColumnIndices = new List<int>(grp.SortedColumnIndexes);
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| 76 | if (forward) {
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| 77 | newIndex = j;
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| 78 | oldIndex = indices[j];
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| 79 | } else {
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| 80 | newIndex = indices[j];
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| 81 | oldIndex = j;
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| 82 | }
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| 83 | grp.ReplaceColumn(newIndex, columns[oldIndex]);
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| 84 | grp.SortedColumnIndexes = sortedColumnIndices;
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| 85 | //corrects the SortedColumnIndices if sorted colum got reordered
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| 86 | if (grp.SortedColumnIndexes.Contains(oldIndex)) {
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| 87 | int insertPos = sortedColumnIndices.IndexOf(oldIndex);
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| 88 | sortedColumnIndices.Remove(oldIndex);
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| 89 | sortedColumnIndices.Insert(insertPos, newIndex);
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| 90 | }
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| 91 | }
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| 92 | grp.SortedColumnIndexes = sortedColumnIndices;
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| 93 | grp.FireChanged();
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| 94 | }
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| 95 | }
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| 96 | }
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| 97 | }
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