source: branches/DataPreprocessing Enhancements/HeuristicLab.DataPreprocessing.Views/3.4/DataGridContentView.cs @ 14467

Last change on this file since 14467 was 14185, checked in by swagner, 5 years ago

#2526: Updated year of copyrights in license headers

File size: 26.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2016 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 System;
23using System.Collections.Generic;
24using System.Linq;
25using System.Windows.Forms;
26using HeuristicLab.Data;
27using HeuristicLab.Data.Views;
28using HeuristicLab.DataPreprocessing.Filter;
29using HeuristicLab.MainForm;
30
31namespace HeuristicLab.DataPreprocessing.Views {
32  [View("Data Grid Content View")]
33  [Content(typeof(DataGridContent), true)]
34  public partial class DataGridContentView : StringConvertibleMatrixView {
35
36    private bool isSearching = false;
37    private bool updateOnMouseUp = false;
38    private SearchAndReplaceDialog findAndReplaceDialog;
39    private IFindPreprocessingItemsIterator searchIterator;
40    private string currentSearchText;
41    private ComparisonOperation currentComparisonOperation;
42    private Tuple<int, int> currentCell;
43
44    public new DataGridContent Content {
45      get { return (DataGridContent)base.Content; }
46      set { base.Content = value; }
47    }
48
49    private IDictionary<int, IList<int>> _highlightedCellsBackground;
50    public IDictionary<int, IList<int>> HightlightedCellsBackground {
51      get { return _highlightedCellsBackground; }
52      set {
53        _highlightedCellsBackground = value;
54        Refresh();
55      }
56    }
57
58    public DataGridContentView() {
59      InitializeComponent();
60      dataGridView.CellMouseClick += dataGridView_CellMouseClick;
61      dataGridView.RowHeaderMouseClick += dataGridView_RowHeaderMouseClick;
62      dataGridView.KeyDown += dataGridView_KeyDown;
63      dataGridView.MouseUp += dataGridView_MouseUp;
64      contextMenuCell.Items.Add(ShowHideColumns);
65      _highlightedCellsBackground = new Dictionary<int, IList<int>>();
66      currentCell = null;
67    }
68
69    protected override void OnContentChanged() {
70      List<KeyValuePair<int, SortOrder>> order = new List<KeyValuePair<int, SortOrder>>(base.sortedColumnIndices);
71      base.OnContentChanged();
72
73      DataGridView.RowHeadersWidth = 70;
74
75      if (Content == null && findAndReplaceDialog != null) {
76        findAndReplaceDialog.Close();
77      }
78
79      if (Content != null) {
80        base.sortedColumnIndices = order;
81        base.Sort();
82      }
83
84    }
85
86    protected override void RegisterContentEvents() {
87      base.RegisterContentEvents();
88      Content.Changed += Content_Changed;
89      Content.FilterLogic.FilterChanged += FilterLogic_FilterChanged;
90    }
91
92    protected override void DeregisterContentEvents() {
93      base.DeregisterContentEvents();
94      Content.Changed -= Content_Changed;
95      Content.FilterLogic.FilterChanged -= FilterLogic_FilterChanged;
96    }
97
98    private void FilterLogic_FilterChanged(object sender, EventArgs e) {
99      OnContentChanged();
100      searchIterator = null;
101      if (findAndReplaceDialog != null && !findAndReplaceDialog.IsDisposed) {
102        if (Content.FilterLogic.IsFiltered) {
103          findAndReplaceDialog.DisableReplace();
104        } else {
105          findAndReplaceDialog.EnableReplace();
106        }
107      }
108      btnReplace.Enabled = !Content.FilterLogic.IsFiltered;
109    }
110
111    private void Content_Changed(object sender, DataPreprocessingChangedEventArgs e) {
112      OnContentChanged();
113      searchIterator = null;
114    }
115
116    protected override void dataGridView_SelectionChanged(object sender, EventArgs e) {
117      base.dataGridView_SelectionChanged(sender, e);
118      if (Content != null && dataGridView.RowCount != 0 && dataGridView.ColumnCount != 0)
119        Content.Selection = GetSelectedCells();
120    }
121
122    //couldn't use base.dataGridView_CellValidating as the values have to be validated per column individually
123    protected override void dataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e) {
124      if (dataGridView.ReadOnly) return;
125      if (Content == null) return;
126      if (Content.Rows == 0 || Content.Columns == 0) return;
127
128      string errorMessage;
129      if (!String.IsNullOrEmpty(e.FormattedValue.ToString())) {
130        if (dataGridView.IsCurrentCellInEditMode && Content.FilterLogic.IsFiltered) {
131          errorMessage = "A filter is active, you cannot modify data. Press ESC to exit edit mode.";
132        } else {
133          Content.Validate(e.FormattedValue.ToString(), out errorMessage, e.ColumnIndex);
134        }
135
136        if (!String.IsNullOrEmpty(errorMessage)) {
137          e.Cancel = true;
138          dataGridView.Rows[e.RowIndex].ErrorText = errorMessage;
139        }
140
141      }
142    }
143
144
145    protected override void PasteValuesToDataGridView() {
146      string[,] values = SplitClipboardString(Clipboard.GetText());
147      if (values.Length == 0) return;
148      int rowIndex = 0;
149      int columnIndex = 0;
150      if (dataGridView.CurrentCell != null) {
151        rowIndex = dataGridView.CurrentCell.RowIndex;
152        columnIndex = dataGridView.CurrentCell.ColumnIndex;
153      }
154
155      bool containsHeader = false;
156      var firstRow = Enumerable.Range(0, values.GetLength(0)).Select(col => values[col, 0]).ToList();
157      if ((Content.Selection.Values.Sum(s => s.Count) == Content.Rows * Content.Columns)
158          || (rowIndex == 0 && columnIndex == 0 && Content.Rows <= values.GetLength(1) && Content.Columns <= values.GetLength(0))) {
159        // All is selected -or- top left selected and everything will be replaced
160        double temp;
161        containsHeader = !firstRow.All(string.IsNullOrEmpty) && firstRow.Any(r => !double.TryParse(r, out temp));
162        if (containsHeader)
163          rowIndex = columnIndex = 0;
164      }
165
166      int newRows = values.GetLength(1) + rowIndex - (containsHeader ? 1 : 0);
167      int newColumns = values.GetLength(0) + columnIndex;
168      if (Content.Rows < newRows) Content.Rows = newRows;
169      if (Content.Columns < newColumns) Content.Columns = newColumns;
170
171      ReplaceTransaction(() => {
172        Content.PreProcessingData.InTransaction(() => {
173          for (int row = containsHeader ? 1 : 0; row < values.GetLength(1); row++) {
174            for (int col = 0; col < values.GetLength(0); col++) {
175              Content.SetValue(values[col, row], row + rowIndex - (containsHeader ? 1 : 0), col + columnIndex);
176            }
177          }
178          if (containsHeader) {
179            for (int i = 0; i < firstRow.Count; i++)
180              if (string.IsNullOrWhiteSpace(firstRow[i]))
181                firstRow[i] = string.Format("<{0}>", i);
182            Content.PreProcessingData.RenameColumns(firstRow);
183          }
184        });
185      });
186
187      ClearSorting();
188    }
189
190    protected override void SetEnabledStateOfControls() {
191      base.SetEnabledStateOfControls();
192      rowsTextBox.ReadOnly = true;
193      columnsTextBox.ReadOnly = true;
194    }
195
196    protected override int[] Sort(IEnumerable<KeyValuePair<int, SortOrder>> sortedColumns) {
197      btnApplySort.Enabled = sortedColumns.Any();
198      return base.Sort(sortedColumns);
199    }
200
201    protected override void ClearSorting() {
202      btnApplySort.Enabled = false;
203      base.ClearSorting();
204    }
205
206    protected override void dataGridView_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e) {
207      if (Content != null) {
208        if (e.Button == MouseButtons.Left) {
209          dataGridView.Focus();
210          dataGridView.ClearSelection();
211          dataGridView.SelectionChanged -= dataGridView_SelectionChanged;
212          for (int i = 0; i < dataGridView.RowCount; i++) {
213            if (i + 1 == dataGridView.RowCount)
214              dataGridView.SelectionChanged += dataGridView_SelectionChanged;
215            dataGridView[e.ColumnIndex, i].Selected = true;
216          }
217        } else if (e.Button == MouseButtons.Middle) {
218          int newIndex = e.ColumnIndex >= 0 ? e.ColumnIndex : 0;
219          Content.PreProcessingData.InsertColumn<double>(newIndex.ToString(), newIndex);
220        } else if (e.Button == MouseButtons.Right && Content.SortableView) {
221          SortColumn(e.ColumnIndex);
222        }
223      }
224      searchIterator = null;
225    }
226    private void dataGridView_RowHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e) {
227      if (Content != null) {
228        if (e.Button == MouseButtons.Middle) {
229          int newIndex = e.RowIndex >= 0 ? e.RowIndex : 0;
230          Content.PreProcessingData.InsertRow(newIndex);
231        }
232      }
233    }
234
235    private void dataGridView_MouseUp(object sender, MouseEventArgs e) {
236      if (!updateOnMouseUp)
237        return;
238
239      updateOnMouseUp = false;
240      dataGridView_SelectionChanged(sender, e);
241    }
242
243    private void btnApplySort_Click(object sender, System.EventArgs e) {
244      Content.ManipulationLogic.ReOrderToIndices(virtualRowIndices);
245      OnContentChanged();
246    }
247
248    #region FindAndReplaceDialog
249
250    private void CreateFindAndReplaceDialog() {
251      if (findAndReplaceDialog == null || findAndReplaceDialog.IsDisposed) {
252        findAndReplaceDialog = new SearchAndReplaceDialog();
253        findAndReplaceDialog.Show(this);
254        if (AreMultipleCellsSelected()) {
255          ResetHighlightedCellsBackground();
256          HightlightedCellsBackground = GetSelectedCells();
257          dataGridView.ClearSelection();
258        }
259        findAndReplaceDialog.FindAllEvent += findAndReplaceDialog_FindAllEvent;
260        findAndReplaceDialog.FindNextEvent += findAndReplaceDialog_FindNextEvent;
261        findAndReplaceDialog.ReplaceAllEvent += findAndReplaceDialog_ReplaceAllEvent;
262        findAndReplaceDialog.ReplaceNextEvent += findAndReplaceDialog_ReplaceEvent;
263        findAndReplaceDialog.FormClosing += findAndReplaceDialog_FormClosing;
264        searchIterator = null;
265        DataGridView.SelectionChanged += DataGridView_SelectionChanged_FindAndReplace;
266        if (Content.FilterLogic.IsFiltered) {
267          findAndReplaceDialog.DisableReplace();
268        }
269      }
270    }
271
272    private void DataGridView_SelectionChanged_FindAndReplace(object sender, EventArgs e) {
273      if (Content != null) {
274        if (!isSearching && AreMultipleCellsSelected()) {
275          ResetHighlightedCellsBackground();
276          HightlightedCellsBackground = GetSelectedCells();
277          searchIterator = null;
278        }
279      }
280    }
281
282    void findAndReplaceDialog_FormClosing(object sender, FormClosingEventArgs e) {
283      ResetHighlightedCellsBackground();
284      searchIterator = null;
285      DataGridView.SelectionChanged -= DataGridView_SelectionChanged_FindAndReplace;
286    }
287
288    void findAndReplaceDialog_ReplaceEvent(object sender, EventArgs e) {
289      if (searchIterator != null && searchIterator.GetCurrent() != null) {
290        Replace(TransformToDictionary(currentCell));
291      }
292    }
293
294    void findAndReplaceDialog_ReplaceAllEvent(object sender, EventArgs e) {
295      Replace(FindAll(findAndReplaceDialog.GetSearchText()));
296    }
297
298    void findAndReplaceDialog_FindNextEvent(object sender, EventArgs e) {
299      if (searchIterator == null
300        || currentSearchText != findAndReplaceDialog.GetSearchText()
301        || currentComparisonOperation != findAndReplaceDialog.GetComparisonOperation()) {
302
303        searchIterator = new FindPreprocessingItemsIterator(FindAll(findAndReplaceDialog.GetSearchText()));
304        currentSearchText = findAndReplaceDialog.GetSearchText();
305        currentComparisonOperation = findAndReplaceDialog.GetComparisonOperation();
306      }
307
308      if (IsOneCellSelected()) {
309        var first = GetSelectedCells().First();
310        searchIterator.SetStartCell(first.Key, first.Value[0]);
311      }
312
313      bool moreOccurences = false;
314      currentCell = searchIterator.GetCurrent();
315      moreOccurences = searchIterator.MoveNext();
316      if (IsOneCellSelected() && currentCell != null) {
317        var first = GetSelectedCells().First();
318        if (currentCell.Item1 == first.Key && currentCell.Item2 == first.Value[0]) {
319          if (!moreOccurences) {
320            searchIterator.Reset();
321          }
322          currentCell = searchIterator.GetCurrent();
323          moreOccurences = searchIterator.MoveNext();
324          if (!moreOccurences) {
325            searchIterator.Reset();
326          }
327        }
328      }
329
330      dataGridView.ClearSelection();
331
332      if (currentCell != null) {
333        dataGridView[currentCell.Item1, currentCell.Item2].Selected = true;
334        dataGridView.CurrentCell = dataGridView[currentCell.Item1, currentCell.Item2];
335      }
336    }
337
338    private bool AreMultipleCellsSelected() {
339      return GetSelectedCellCount() > 1;
340    }
341
342    private bool IsOneCellSelected() {
343      return GetSelectedCellCount() == 1;
344    }
345
346    private int GetSelectedCellCount() {
347      int count = 0;
348      foreach (var column in GetSelectedCells()) {
349        count += column.Value.Count();
350      }
351      return count;
352    }
353
354    void findAndReplaceDialog_FindAllEvent(object sender, EventArgs e) {
355      dataGridView.ClearSelection();
356      isSearching = true;
357      SuspendRepaint();
358      var selectedCells = FindAll(findAndReplaceDialog.GetSearchText());
359      foreach (var column in selectedCells) {
360        foreach (var cell in column.Value) {
361          dataGridView[column.Key, cell].Selected = true;
362        }
363      }
364      ResumeRepaint(true);
365      isSearching = false;
366      Content.Selection = selectedCells;
367      //update statistic in base
368      base.dataGridView_SelectionChanged(sender, e);
369    }
370
371    private Core.ConstraintOperation GetConstraintOperation(ComparisonOperation comparisonOperation) {
372      Core.ConstraintOperation constraintOperation = Core.ConstraintOperation.Equal;
373      switch (comparisonOperation) {
374        case ComparisonOperation.Equal:
375          constraintOperation = Core.ConstraintOperation.Equal;
376          break;
377        case ComparisonOperation.Greater:
378          constraintOperation = Core.ConstraintOperation.Greater;
379          break;
380        case ComparisonOperation.GreaterOrEqual:
381          constraintOperation = Core.ConstraintOperation.GreaterOrEqual;
382          break;
383        case ComparisonOperation.Less:
384          constraintOperation = Core.ConstraintOperation.Less;
385          break;
386        case ComparisonOperation.LessOrEqual:
387          constraintOperation = Core.ConstraintOperation.LessOrEqual;
388          break;
389        case ComparisonOperation.NotEqual:
390          constraintOperation = Core.ConstraintOperation.NotEqual;
391          break;
392      }
393      return constraintOperation;
394    }
395
396    private IDictionary<int, IList<int>> FindAll(string match) {
397      bool searchInSelection = HightlightedCellsBackground.Values.Sum(list => list.Count) > 1;
398      ComparisonOperation comparisonOperation = findAndReplaceDialog.GetComparisonOperation();
399      var foundCells = new Dictionary<int, IList<int>>();
400      for (int i = 0; i < Content.FilterLogic.PreprocessingData.Columns; i++) {
401        var filters = CreateFilters(match, comparisonOperation, i);
402
403        bool[] filteredRows = Content.FilterLogic.GetFilterResult(filters, true);
404        var foundIndices = new List<int>();
405        for (int idx = 0; idx < filteredRows.Length; ++idx) {
406          var notFilteredThusFound = !filteredRows[idx];
407          if (notFilteredThusFound) {
408            foundIndices.Add(idx);
409          }
410        }
411        foundCells[i] = foundIndices;
412        IList<int> selectedList;
413        if (searchInSelection && HightlightedCellsBackground.TryGetValue(i, out selectedList)) {
414          foundCells[i] = foundCells[i].Intersect(selectedList).ToList<int>();
415        } else if (searchInSelection) {
416          foundCells[i].Clear();
417        }
418      }
419      return MapToSorting(foundCells);
420    }
421
422    private List<IFilter> CreateFilters(string match, ComparisonOperation comparisonOperation, int columnIndex) {
423      IPreprocessingData preprocessingData = Content.FilterLogic.PreprocessingData;
424      IStringConvertibleValue value;
425      if (preprocessingData.VariableHasType<double>(columnIndex)) {
426        value = new DoubleValue();
427      } else if (preprocessingData.VariableHasType<String>(columnIndex)) {
428        value = new StringValue();
429      } else if (preprocessingData.VariableHasType<DateTime>(columnIndex)) {
430        value = new DateTimeValue();
431      } else {
432        throw new ArgumentException("unsupported type");
433      }
434      value.SetValue(match);
435      var comparisonFilter = new ComparisonFilter(preprocessingData, GetConstraintOperation(comparisonOperation), value, true);
436      comparisonFilter.ConstraintColumn = columnIndex;
437      return new List<Filter.IFilter>() { comparisonFilter };
438    }
439
440    private IDictionary<int, IList<int>> MapToSorting(Dictionary<int, IList<int>> foundCells) {
441      if (sortedColumnIndices.Count == 0) {
442        return foundCells;
443      } else {
444        var sortedFoundCells = new Dictionary<int, IList<int>>();
445
446        var indicesToVirtual = new Dictionary<int, int>();
447        for (int i = 0; i < virtualRowIndices.Length; ++i) {
448          indicesToVirtual.Add(virtualRowIndices[i], i);
449        }
450
451        foreach (var entry in foundCells) {
452          var cells = new List<int>();
453          foreach (var cell in entry.Value) {
454            cells.Add(indicesToVirtual[cell]);
455          }
456          cells.Sort();
457          sortedFoundCells.Add(entry.Key, cells);
458        }
459        return sortedFoundCells;
460      }
461    }
462
463    private void Replace(IDictionary<int, IList<int>> cells) {
464      if (findAndReplaceDialog != null) {
465        ReplaceTransaction(() => {
466          switch (findAndReplaceDialog.GetReplaceAction()) {
467            case ReplaceAction.Value:
468              Content.ManipulationLogic.ReplaceIndicesByValue(cells, findAndReplaceDialog.GetReplaceText());
469              break;
470            case ReplaceAction.Average:
471              Content.ManipulationLogic.ReplaceIndicesByAverageValue(cells, false);
472              break;
473            case ReplaceAction.Median:
474              Content.ManipulationLogic.ReplaceIndicesByMedianValue(cells, false);
475              break;
476            case ReplaceAction.Random:
477              Content.ManipulationLogic.ReplaceIndicesByRandomValue(cells, false);
478              break;
479            case ReplaceAction.MostCommon:
480              Content.ManipulationLogic.ReplaceIndicesByMostCommonValue(cells, false);
481              break;
482            case ReplaceAction.Interpolation:
483              Content.ManipulationLogic.ReplaceIndicesByLinearInterpolationOfNeighbours(cells);
484              break;
485          }
486        });
487      }
488    }
489
490    private IDictionary<int, IList<int>> TransformToDictionary(Tuple<int, int> tuple) {
491      var highlightCells = new Dictionary<int, IList<int>>();
492      highlightCells.Add(tuple.Item1, new List<int>() { tuple.Item2 });
493      return highlightCells;
494    }
495
496    private void ResetHighlightedCellsBackground() {
497      HightlightedCellsBackground = new Dictionary<int, IList<int>>();
498    }
499
500    #endregion FindAndReplaceDialog
501
502    private void dataGridView_CellMouseClick(object sender, DataGridViewCellMouseEventArgs e) {
503      if (Content == null) return;
504      if (e.Button == MouseButtons.Right && !(e.ColumnIndex != -1 && e.RowIndex == -1)) {
505        if (e.ColumnIndex == -1 || e.RowIndex == -1) {
506          replaceValueOverColumnToolStripMenuItem.Visible = false;
507          contextMenuCell.Show(MousePosition);
508        } else {
509          if (!dataGridView.SelectedCells.Contains(dataGridView[e.ColumnIndex, e.RowIndex])) {
510            dataGridView.ClearSelection();
511            dataGridView[e.ColumnIndex, e.RowIndex].Selected = true;
512          }
513
514          var columnIndices = new HashSet<int>();
515          for (int i = 0; i < dataGridView.SelectedCells.Count; i++) {
516            columnIndices.Add(dataGridView.SelectedCells[i].ColumnIndex);
517          }
518
519          replaceValueOverSelectionToolStripMenuItem.Enabled = AreMultipleCellsSelected();
520
521          averageToolStripMenuItem_Column.Enabled =
522            averageToolStripMenuItem_Selection.Enabled =
523            medianToolStripMenuItem_Column.Enabled =
524            medianToolStripMenuItem_Selection.Enabled =
525            randomToolStripMenuItem_Column.Enabled =
526            randomToolStripMenuItem_Selection.Enabled = !Content.PreProcessingData.AreAllStringColumns(columnIndices);
527
528          smoothingToolStripMenuItem_Column.Enabled =
529            interpolationToolStripMenuItem_Column.Enabled = !dataGridView.SelectedCells.Contains(dataGridView[e.ColumnIndex, 0])
530            && !dataGridView.SelectedCells.Contains(dataGridView[e.ColumnIndex, Content.Rows - 1])
531            && !Content.PreProcessingData.AreAllStringColumns(columnIndices);
532
533          replaceValueOverColumnToolStripMenuItem.Visible = true;
534          contextMenuCell.Show(MousePosition);
535        }
536      }
537    }
538
539    protected override void dataGridView_KeyDown(object sender, KeyEventArgs e) {
540      var selectedRows = dataGridView.SelectedRows;
541      var selectedCells = dataGridView.SelectedCells;
542      if (!Content.FilterLogic.IsFiltered) { //data is in read only mode....
543        if (e.KeyCode == Keys.Delete && selectedCells.Count == Content.Rows && selectedCells.Count > 0) {
544          Content.DeleteColumn(selectedCells[0].ColumnIndex);
545        } else if (e.KeyCode == Keys.Delete && selectedRows.Count > 0) {
546          List<int> rows = new List<int>();
547          for (int i = 0; i < selectedRows.Count; ++i) {
548            int index = (sortedColumnIndices.Count != 0) ? (Convert.ToInt32(selectedRows[i].HeaderCell.Value) - 1) :
549              selectedRows[i].Index;
550            rows.Add(index);
551          }
552          Content.DeleteRows(rows);
553        } else if (e.Control && e.KeyCode == Keys.F) {
554          CreateFindAndReplaceDialog();
555          findAndReplaceDialog.ActivateSearch();
556        } else if (e.Control && e.KeyCode == Keys.R) {
557          CreateFindAndReplaceDialog();
558          findAndReplaceDialog.ActivateReplace();
559        }
560      }
561    }
562
563    private IDictionary<int, IList<int>> GetSelectedCells() {
564      IDictionary<int, IList<int>> selectedCells = new Dictionary<int, IList<int>>();
565
566      //special case if all cells are selected
567      if (dataGridView.AreAllCellsSelected(true)) {
568        for (int i = 0; i < Content.Columns; i++)
569          selectedCells[i] = Enumerable.Range(0, Content.Rows).ToList();
570        return selectedCells;
571      }
572
573      foreach (var selectedCell in dataGridView.SelectedCells) {
574        var cell = (DataGridViewCell)selectedCell;
575        if (!selectedCells.ContainsKey(cell.ColumnIndex))
576          selectedCells.Add(cell.ColumnIndex, new List<int>(1024));
577        selectedCells[cell.ColumnIndex].Add(cell.RowIndex);
578      }
579
580      return selectedCells;
581    }
582
583    private void StartReplacing() {
584      SuspendRepaint();
585    }
586
587    private void StopReplacing() {
588      ResumeRepaint(true);
589    }
590
591    private void ReplaceTransaction(Action action) {
592      StartReplacing();
593      action();
594      StopReplacing();
595    }
596
597    private void btnSearch_Click(object sender, EventArgs e) {
598      CreateFindAndReplaceDialog();
599      findAndReplaceDialog.ActivateSearch();
600    }
601
602    private void btnReplace_Click(object sender, EventArgs e) {
603      CreateFindAndReplaceDialog();
604      findAndReplaceDialog.ActivateReplace();
605    }
606
607    #region ContextMenu Events
608
609    private void ReplaceWithAverage_Column_Click(object sender, EventArgs e) {
610      ReplaceTransaction(() => {
611        Content.ManipulationLogic.ReplaceIndicesByAverageValue(GetSelectedCells(), false);
612      });
613    }
614    private void ReplaceWithAverage_Selection_Click(object sender, EventArgs e) {
615      ReplaceTransaction(() => {
616        Content.ManipulationLogic.ReplaceIndicesByAverageValue(GetSelectedCells(), true);
617      });
618    }
619
620    private void ReplaceWithMedian_Column_Click(object sender, EventArgs e) {
621      ReplaceTransaction(() => {
622        Content.ManipulationLogic.ReplaceIndicesByMedianValue(GetSelectedCells(), false);
623      });
624    }
625    private void ReplaceWithMedian_Selection_Click(object sender, EventArgs e) {
626      ReplaceTransaction(() => {
627        Content.ManipulationLogic.ReplaceIndicesByMedianValue(GetSelectedCells(), true);
628      });
629    }
630
631    private void ReplaceWithRandom_Column_Click(object sender, EventArgs e) {
632      ReplaceTransaction(() => {
633        Content.ManipulationLogic.ReplaceIndicesByRandomValue(GetSelectedCells(), false);
634      });
635    }
636    private void ReplaceWithRandom_Selection_Click(object sender, EventArgs e) {
637      ReplaceTransaction(() => {
638        Content.ManipulationLogic.ReplaceIndicesByRandomValue(GetSelectedCells(), true);
639      });
640    }
641
642    private void ReplaceWithMostCommon_Column_Click(object sender, EventArgs e) {
643      ReplaceTransaction(() => {
644        Content.ManipulationLogic.ReplaceIndicesByMostCommonValue(GetSelectedCells(), false);
645      });
646    }
647    private void ReplaceWithMostCommon_Selection_Click(object sender, EventArgs e) {
648      ReplaceTransaction(() => {
649        Content.ManipulationLogic.ReplaceIndicesByMostCommonValue(GetSelectedCells(), true);
650      });
651    }
652
653    private void ReplaceWithInterpolation_Column_Click(object sender, EventArgs e) {
654      ReplaceTransaction(() => {
655        Content.ManipulationLogic.ReplaceIndicesByLinearInterpolationOfNeighbours(GetSelectedCells());
656      });
657    }
658
659    private void ReplaceWithSmoothing_Selection_Click(object sender, EventArgs e) {
660      ReplaceTransaction(() => {
661        Content.ManipulationLogic.ReplaceIndicesBySmoothing(GetSelectedCells());
662      });
663    }
664    #endregion
665
666    private void addRowButton_Click(object sender, EventArgs e) {
667      Content.PreProcessingData.InsertRow(Content.Rows);
668    }
669
670    private void addColumnButton_Click(object sender, EventArgs e) {
671      Content.PreProcessingData.InsertColumn<double>(Content.Columns.ToString(), Content.Columns);
672    }
673
674    private void renameColumnsButton_Click(object sender, EventArgs e) {
675      var renameDialog = new RenameColumnsDialog(Content.ColumnNames);
676
677      if (renameDialog.ShowDialog(this) == DialogResult.OK) {
678        Content.PreProcessingData.RenameColumns(renameDialog.ColumnNames);
679      }
680    }
681  }
682}
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