source: branches/DataPreprocessing/HeuristicLab.DataPreprocessing/3.3/Implementations/FilterLogic.cs @ 10691

Last change on this file since 10691 was 10691, checked in by mleitner, 6 years ago

Autosize table columns and keep selection on refresh

File size: 2.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 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 HeuristicLab.DataPreprocessing.Filter;
23using System.Collections.Generic;
24using System;
25using System.Linq;
26namespace HeuristicLab.DataPreprocessing {
27  public class FilterLogic : IFilterLogic {
28
29    private ITransactionalPreprocessingData preprocessingData;
30
31    public FilterLogic(ITransactionalPreprocessingData preprocessingData) {
32      this.preprocessingData = preprocessingData;
33    }
34
35    public bool[] Preview(IList<IFilter> filters)
36    {
37       bool[] result = Enumerable.Repeat<bool>(true, preprocessingData.Rows).ToArray();
38
39       foreach (IFilter filter in filters)
40       {
41            if (filter.ConstraintData == null) {
42              continue;
43            }
44
45            bool[] filterResult = filter.Check();
46
47            for(int row = 0; row < result.Length; ++row) {
48                result[row] = result[row] && filterResult[row];
49            }
50        }
51
52        return result;
53    }
54
55    public void Apply(IList<IFilter> filters)
56    {
57        bool[] results = Preview(filters);
58
59        for(int row = 0; row < results.Length; ++row)
60        {
61            if(!results[row]){
62                preprocessingData.DeleteRow(row);
63            }
64        }
65     }
66
67
68    public IPreprocessingData PreprocessingData
69    {
70      get { return preprocessingData; }
71    }
72  }
73}
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