1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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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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23 | using System.Collections.Generic;
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24 | using System.ComponentModel;
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25 | using System.Drawing;
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26 | using System.Linq;
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27 | using System.Text;
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28 | using System.Windows.Forms;
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29 | using HeuristicLab.Common;
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30 | using HeuristicLab.Core.Views;
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31 | using HeuristicLab.Data.Views;
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32 | using HeuristicLab.MainForm;
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33 |
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34 | namespace HeuristicLab.Problems.DataAnalysis.Views {
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35 | [View("Feature Correlation View")]
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36 | [Content(typeof(FeatureCorrelation), true)]
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37 | public partial class FeatureCorrelationView : ItemView {
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38 |
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39 | private int[] virtualRowIndices;
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40 | private List<KeyValuePair<int, SortOrder>> sortedColumnIndices;
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41 | private StringConvertibleMatrixView.RowComparer rowComparer;
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42 |
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43 | public new FeatureCorrelation Content {
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44 | get { return (FeatureCorrelation)base.Content; }
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45 | set { base.Content = value; }
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46 | }
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47 |
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48 | public FeatureCorrelationView() {
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49 | InitializeComponent();
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50 | sortedColumnIndices = new List<KeyValuePair<int, SortOrder>>();
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51 | rowComparer = new StringConvertibleMatrixView.RowComparer();
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52 | }
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53 |
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54 | protected override void RegisterContentEvents() {
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55 | base.RegisterContentEvents();
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56 | Content.ProgressCalculation += new DataAnalysis.FeatureCorrelation.ProgressCalculationHandler(Content_ProgressCalculation);
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57 | Content.CorrelationCalculationFinished += new System.EventHandler(Content_CorrelationCalculationFinished);
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58 | }
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59 |
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60 | protected override void DeregisterContentEvents() {
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61 | Content.CorrelationCalculationFinished -= new System.EventHandler(Content_CorrelationCalculationFinished);
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62 | Content.ProgressCalculation -= new DataAnalysis.FeatureCorrelation.ProgressCalculationHandler(Content_ProgressCalculation);
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63 | base.DeregisterContentEvents();
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64 | }
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65 |
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66 | protected void Content_ProgressCalculation(object sender, ProgressChangedEventArgs e) {
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67 | if (!CalculatingPanel.Visible && e.ProgressPercentage != HeatMapProgressBar.Maximum) {
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68 | CalculatingPanel.Show();
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69 | } else if (e.ProgressPercentage == HeatMapProgressBar.Maximum) {
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70 | CalculatingPanel.Hide();
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71 | }
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72 | HeatMapProgressBar.Value = e.ProgressPercentage;
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73 | }
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74 |
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75 | protected override void OnContentChanged() {
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76 | base.OnContentChanged();
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77 | if (Content != null) {
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78 | CorrelationCalcComboBox.DataSource = Content.CorrelationCalculators;
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79 | PartitionComboBox.DataSource = Content.Partitions;
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80 | CalculateCorrelation();
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81 | } else {
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82 | DataGridView.Columns.Clear();
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83 | DataGridView.Rows.Clear();
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84 | }
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85 | }
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86 |
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87 | protected void CorrelationMeasureComboBox_SelectedIndexChanged(object sender, System.EventArgs e) {
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88 | CalculateCorrelation();
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89 | }
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90 | protected void PartitionComboBox_SelectedIndexChanged(object sender, System.EventArgs e) {
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91 | CalculateCorrelation();
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92 | }
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93 |
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94 | protected virtual void CalculateCorrelation() {
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95 | string calc = (string)CorrelationCalcComboBox.SelectedItem;
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96 | string partition = (string)PartitionComboBox.SelectedItem;
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97 | if (calc != null && partition != null) {
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98 | DataGridView.Columns.Clear();
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99 | DataGridView.Enabled = false;
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100 | Content.Recalculate(calc, partition);
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101 | }
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102 | }
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103 |
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104 | protected void UpdateDataGrid() {
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105 | virtualRowIndices = Enumerable.Range(0, Content.Rows).ToArray();
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106 | DataGridViewColumn[] columns = new DataGridViewColumn[Content.Columns];
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107 | for (int i = 0; i < columns.Length; ++i) {
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108 | var column = new DataGridViewTextBoxColumn();
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109 | column.FillWeight = 1;
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110 | columns[i] = column;
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111 | }
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112 |
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113 | DataGridView.Columns.Clear();
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114 | DataGridView.Columns.AddRange(columns);
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115 |
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116 | DataGridView.RowCount = Content.Rows;
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117 |
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118 | ClearSorting();
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119 | UpdateColumnHeaders();
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120 | UpdateRowHeaders();
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121 |
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122 | maximumLabel.Text = Content.Maximum.ToString();
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123 | minimumLabel.Text = Content.Minimum.ToString();
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124 |
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125 | DataGridView.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.ColumnHeader);
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126 | DataGridView.AutoResizeRowHeadersWidth(DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders);
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127 | DataGridView.Enabled = true;
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128 | }
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129 |
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130 | protected virtual void UpdateColumnHeaders() {
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131 | for (int i = 0; i < DataGridView.ColumnCount; i++) {
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132 | DataGridView.Columns[i].HeaderText = Content.ColumnNames.ElementAt(i);
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133 | }
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134 | }
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135 | protected void UpdateRowHeaders() {
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136 | for (int i = 0; i < DataGridView.RowCount; i++) {
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137 | DataGridView.Rows[i].HeaderCell.Value = Content.RowNames.ElementAt(virtualRowIndices[i]);
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138 | }
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139 | }
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140 |
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141 | protected void Content_CorrelationCalculationFinished(object sender, System.EventArgs e) {
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142 | if (InvokeRequired) {
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143 | Invoke(new EventHandler(Content_CorrelationCalculationFinished), sender, e);
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144 | } else {
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145 | UpdateDataGrid();
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146 | }
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147 | }
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148 |
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149 | protected void DataGridView_CellValueNeeded(object sender, DataGridViewCellValueEventArgs e) {
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150 | if (Content == null) return;
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151 | int rowIndex = virtualRowIndices[e.RowIndex];
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152 | e.Value = Content[rowIndex, e.ColumnIndex];
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153 | }
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154 |
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155 | protected void DataGridView_CellPainting(object sender, DataGridViewCellPaintingEventArgs e) {
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156 | //if (Content != null && DataGridView.Enabled && e.RowIndex >= 0 && e.ColumnIndex >= 0 && e.PaintParts.HasFlag(DataGridViewPaintParts.Background)) {
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157 | // int rowIndex = virtualRowIndices[e.RowIndex];
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158 | //e.CellStyle.BackColor = GetDataPointColor(Content[rowIndex, e.ColumnIndex], Content.Minimum, Content.Maximum);
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159 | //}
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160 | //e.Paint(e.CellBounds, e.PaintParts);
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161 |
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162 | if (Content == null) return;
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163 | if (e.RowIndex < 0) return;
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164 | if (e.ColumnIndex < 0) return;
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165 | if (e.State.HasFlag(DataGridViewElementStates.Selected)) return;
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166 | if (!e.PaintParts.HasFlag(DataGridViewPaintParts.Background)) return;
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167 |
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168 | int rowIndex = virtualRowIndices[e.RowIndex];
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169 | Color backColor = GetDataPointColor(Content[rowIndex, e.ColumnIndex], Content.Minimum, Content.Maximum);
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170 | using (Brush backColorBrush = new SolidBrush(backColor)) {
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171 | e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
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172 | }
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173 | e.PaintContent(e.CellBounds);
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174 | e.Handled = true;
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175 | }
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176 |
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177 | protected virtual Color GetDataPointColor(double value, double min, double max) {
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178 | IList<Color> colors = ColorGradient.Colors;
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179 | int index = (int)((colors.Count - 1) * (value - min) / (max - min));
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180 | if (index >= colors.Count) index = colors.Count - 1;
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181 | if (index < 0) index = 0;
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182 | return colors[index];
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183 | }
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184 |
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185 | #region sort
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186 | protected void DataGridView_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e) {
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187 | if (Content != null) {
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188 | if (e.Button == MouseButtons.Left && Content.SortableView) {
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189 | bool addToSortedIndices = (Control.ModifierKeys & Keys.Control) == Keys.Control;
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190 | SortOrder newSortOrder = SortOrder.Ascending;
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191 | if (sortedColumnIndices.Any(x => x.Key == e.ColumnIndex)) {
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192 | SortOrder oldSortOrder = sortedColumnIndices.Where(x => x.Key == e.ColumnIndex).First().Value;
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193 | int enumLength = Enum.GetValues(typeof(SortOrder)).Length;
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194 | newSortOrder = oldSortOrder = (SortOrder)Enum.Parse(typeof(SortOrder), ((((int)oldSortOrder) + 1) % enumLength).ToString());
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195 | }
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196 |
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197 | if (!addToSortedIndices)
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198 | sortedColumnIndices.Clear();
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199 |
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200 | if (sortedColumnIndices.Any(x => x.Key == e.ColumnIndex)) {
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201 | int sortedIndex = sortedColumnIndices.FindIndex(x => x.Key == e.ColumnIndex);
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202 | if (newSortOrder != SortOrder.None)
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203 | sortedColumnIndices[sortedIndex] = new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder);
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204 | else
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205 | sortedColumnIndices.RemoveAt(sortedIndex);
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206 | } else
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207 | if (newSortOrder != SortOrder.None)
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208 | sortedColumnIndices.Add(new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder));
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209 | Sort();
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210 | }
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211 | }
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212 | }
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213 |
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214 | protected virtual void ClearSorting() {
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215 | virtualRowIndices = Enumerable.Range(0, Content.Rows).ToArray();
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216 | sortedColumnIndices.Clear();
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217 | UpdateSortGlyph();
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218 | }
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219 |
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220 | private void Sort() {
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221 | virtualRowIndices = Sort(sortedColumnIndices);
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222 | UpdateSortGlyph();
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223 | UpdateRowHeaders();
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224 | DataGridView.Invalidate();
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225 | }
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226 |
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227 | protected virtual int[] Sort(IEnumerable<KeyValuePair<int, SortOrder>> sortedColumns) {
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228 | int[] newSortedIndex = Enumerable.Range(0, Content.Rows).ToArray();
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229 | if (sortedColumns.Count() != 0) {
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230 | rowComparer.SortedIndices = sortedColumns;
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231 | rowComparer.Matrix = Content;
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232 | Array.Sort(newSortedIndex, rowComparer);
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233 | }
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234 | return newSortedIndex;
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235 | }
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236 | private void UpdateSortGlyph() {
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237 | foreach (DataGridViewColumn col in this.DataGridView.Columns)
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238 | col.HeaderCell.SortGlyphDirection = SortOrder.None;
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239 | foreach (KeyValuePair<int, SortOrder> p in sortedColumnIndices)
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240 | this.DataGridView.Columns[p.Key].HeaderCell.SortGlyphDirection = p.Value;
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241 | }
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242 | #endregion
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243 |
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244 | #region copy
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245 | private void DataGridView_KeyDown(object sender, KeyEventArgs e) {
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246 | if (e.Control && e.KeyCode == Keys.C)
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247 | CopyValuesFromDataGridView();
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248 | }
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249 |
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250 | private void CopyValuesFromDataGridView() {
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251 | if (DataGridView.SelectedCells.Count == 0) return;
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252 | StringBuilder s = new StringBuilder();
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253 | int minRowIndex = DataGridView.SelectedCells[0].RowIndex;
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254 | int maxRowIndex = DataGridView.SelectedCells[DataGridView.SelectedCells.Count - 1].RowIndex;
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255 | int minColIndex = DataGridView.SelectedCells[0].ColumnIndex;
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256 | int maxColIndex = DataGridView.SelectedCells[DataGridView.SelectedCells.Count - 1].ColumnIndex;
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257 |
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258 | if (minRowIndex > maxRowIndex) {
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259 | int temp = minRowIndex;
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260 | minRowIndex = maxRowIndex;
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261 | maxRowIndex = temp;
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262 | }
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263 | if (minColIndex > maxColIndex) {
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264 | int temp = minColIndex;
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265 | minColIndex = maxColIndex;
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266 | maxColIndex = temp;
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267 | }
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268 |
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269 | bool addRowNames = DataGridView.AreAllCellsSelected(false) && Content.RowNames.Count() > 0;
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270 | bool addColumnNames = DataGridView.AreAllCellsSelected(false) && Content.ColumnNames.Count() > 0;
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271 |
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272 | //add colum names
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273 | if (addColumnNames) {
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274 | if (addRowNames)
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275 | s.Append('\t');
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276 |
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277 | DataGridViewColumn column = DataGridView.Columns.GetFirstColumn(DataGridViewElementStates.Visible);
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278 | while (column != null) {
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279 | s.Append(column.HeaderText);
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280 | s.Append('\t');
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281 | column = DataGridView.Columns.GetNextColumn(column, DataGridViewElementStates.Visible, DataGridViewElementStates.None);
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282 | }
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283 | s.Remove(s.Length - 1, 1); //remove last tab
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284 | s.Append(Environment.NewLine);
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285 | }
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286 |
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287 | for (int i = minRowIndex; i <= maxRowIndex; i++) {
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288 | int rowIndex = this.virtualRowIndices[i];
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289 | if (addRowNames) {
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290 | s.Append(Content.RowNames.ElementAt(rowIndex));
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291 | s.Append('\t');
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292 | }
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293 |
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294 | DataGridViewColumn column = DataGridView.Columns.GetFirstColumn(DataGridViewElementStates.Visible);
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295 | while (column != null) {
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296 | DataGridViewCell cell = DataGridView[column.Index, i];
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297 | if (cell.Selected) {
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298 | s.Append(Content[rowIndex, column.Index]);
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299 | s.Append('\t');
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300 | }
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301 |
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302 | column = DataGridView.Columns.GetNextColumn(column, DataGridViewElementStates.Visible, DataGridViewElementStates.None);
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303 | }
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304 | s.Remove(s.Length - 1, 1); //remove last tab
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305 | s.Append(Environment.NewLine);
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306 | }
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307 | Clipboard.SetText(s.ToString());
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308 | }
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309 | #endregion
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310 | }
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311 | } |
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