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source: trunk/sources/HeuristicLab.Data.Views/3.3/EnhancedStringConvertibleMatrixView.cs @ 10621

Last change on this file since 10621 was 9456, checked in by swagner, 12 years ago

Updated copyright year and added some missing license headers (#1889)

File size: 4.6 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 System;
23using System.Collections.Generic;
24using System.Drawing;
25using System.Linq;
26using System.Windows.Forms;
27using HeuristicLab.Common;
28
29namespace HeuristicLab.Data.Views {
30  public partial class EnhancedStringConvertibleMatrixView : StringConvertibleMatrixView {
31    private bool[] columnVisibility, rowVisibility;
32
33    // sets the visibility of its columns for the next time it is updated
34    public IEnumerable<bool> ColumnVisibility {
35      get { return columnVisibility; }
36      set { columnVisibility = value.ToArray(); }
37    }
38    // sets the visibility of its rows for the next time it is updated
39    public IEnumerable<bool> RowVisibility {
40      get { return rowVisibility; }
41      set { rowVisibility = value.ToArray(); }
42    }
43
44    public double Maximum { get; set; }
45    public double Minimum { get; set; }
46
47    public new DoubleMatrix Content {
48      get { return (DoubleMatrix)base.Content; }
49      set { base.Content = value; }
50    }
51
52    public EnhancedStringConvertibleMatrixView() {
53      InitializeComponent();
54    }
55
56    public void ResetVisibility() {
57      columnVisibility = null;
58      rowVisibility = null;
59    }
60
61    protected override void UpdateColumnHeaders() {
62      base.UpdateColumnHeaders();
63      if (columnVisibility != null && Content != null && columnVisibility.Count() == dataGridView.ColumnCount) {
64        int i = 0;
65        foreach (var visibility in columnVisibility) {
66          dataGridView.Columns[i].Visible = visibility;
67          i++;
68        }
69      }
70    }
71    protected override void UpdateRowHeaders() {
72      if (Content == null) return;
73      if (rowVisibility != null && rowVisibility.Count() != dataGridView.RowCount) return;
74
75      for (int index = 0; index < dataGridView.RowCount; index++) {
76        dataGridView.Rows[index].HeaderCell.Value = Content.RowNames.ElementAt(virtualRowIndices[index]);
77
78        if (rowVisibility != null) {
79          dataGridView.Rows[index].Visible = rowVisibility.ElementAt(virtualRowIndices[index]);
80        } else {
81          dataGridView.Rows[index].Visible = true;
82        }
83      }
84    }
85
86    protected virtual void ShowHideRows_Click(object sender, EventArgs e) {
87      var dialog = new StringConvertibleMatrixRowVisibilityDialog(this.dataGridView.Rows.Cast<DataGridViewRow>());
88      dialog.ShowDialog();
89      RowVisibility = dialog.Visibility;
90    }
91
92    protected override void ShowHideColumns_Click(object sender, EventArgs e) {
93      var dialog = new StringConvertibleMatrixColumnVisibilityDialog(this.dataGridView.Columns.Cast<DataGridViewColumn>());
94      dialog.ShowDialog();
95      ColumnVisibility = dialog.Visibility;
96    }
97
98    protected void dataGridView_CellPainting(object sender, DataGridViewCellPaintingEventArgs e) {
99      if (Content == null) return;
100      if (e.RowIndex < 0) return;
101      if (e.ColumnIndex < 0) return;
102      if (e.State.HasFlag(DataGridViewElementStates.Selected)) return;
103      if (!e.PaintParts.HasFlag(DataGridViewPaintParts.Background)) return;
104
105      int rowIndex = virtualRowIndices[e.RowIndex];
106      Color backColor = GetDataPointColor(Content[rowIndex, e.ColumnIndex], Minimum, Maximum);
107      using (Brush backColorBrush = new SolidBrush(backColor)) {
108        e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
109      }
110      e.PaintContent(e.CellBounds);
111      e.Handled = true;
112    }
113
114    protected virtual Color GetDataPointColor(double value, double min, double max) {
115      if (double.IsNaN(value)) {
116        return Color.DarkGray;
117      }
118      IList<Color> colors = ColorGradient.Colors;
119      int index = (int)((colors.Count - 1) * (value - min) / (max - min));
120      if (index >= colors.Count) index = colors.Count - 1;
121      if (index < 0) index = 0;
122      return colors[index];
123    }
124  }
125}
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