[8578] | 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.Analysis;
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| 30 | using HeuristicLab.Common;
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| 31 | using HeuristicLab.Data.Views;
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[8689] | 32 | using HeuristicLab.DataAnalysis.Views;
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[8578] | 33 | using HeuristicLab.MainForm;
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| 34 | using HeuristicLab.MainForm.WindowsForms;
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| 35 | using FCE = HeuristicLab.Problems.DataAnalysis.FeatureCorrelationEnums;
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| 36 |
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| 37 | namespace HeuristicLab.Problems.DataAnalysis.Views {
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| 38 | [View("Feature Correlation View")]
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| 39 | [Content(typeof(DataAnalysisProblemData), false)]
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| 40 | public abstract partial class AbstractFeatureCorrelationView : AsynchronousContentView {
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| 41 |
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| 42 | private int[] virtualRowIndices;
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[8689] | 43 | private VariableVisibilityDialog variableVisibility;
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[8578] | 44 | private List<KeyValuePair<int, SortOrder>> sortedColumnIndices;
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| 45 | private StringConvertibleMatrixView.RowComparer rowComparer;
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| 46 |
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| 47 | protected FeatureCorrelationCalculator fcc;
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| 48 | protected HeatMap currentCorrelation;
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| 49 |
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| 50 | public new DataAnalysisProblemData Content {
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| 51 | get { return (DataAnalysisProblemData)base.Content; }
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| 52 | set { base.Content = value; }
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| 53 | }
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| 54 |
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| 55 | public AbstractFeatureCorrelationView() {
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| 56 | InitializeComponent();
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| 57 | sortedColumnIndices = new List<KeyValuePair<int, SortOrder>>();
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| 58 | rowComparer = new StringConvertibleMatrixView.RowComparer();
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| 59 | fcc = new FeatureCorrelationCalculator();
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| 60 | var calculatorList = FCE.EnumToList<FCE.CorrelationCalculators>().Select(x => new KeyValuePair<FCE.CorrelationCalculators, string>(x, FCE.GetEnumDescription(x))).ToList();
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| 61 | CorrelationCalcComboBox.ValueMember = "Key";
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| 62 | CorrelationCalcComboBox.DisplayMember = "Value";
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| 63 | CorrelationCalcComboBox.DataSource = new BindingList<KeyValuePair<FCE.CorrelationCalculators, string>>(calculatorList);
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| 64 | var partitionList = FCE.EnumToList<FCE.Partitions>().Select(x => new KeyValuePair<FCE.Partitions, string>(x, FCE.GetEnumDescription(x))).ToList();
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| 65 | PartitionComboBox.ValueMember = "Key";
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| 66 | PartitionComboBox.DisplayMember = "Value";
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| 67 | PartitionComboBox.DataSource = new BindingList<KeyValuePair<FCE.Partitions, string>>(partitionList);
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| 68 | }
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| 69 |
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| 70 | protected override void RegisterContentEvents() {
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| 71 | base.RegisterContentEvents();
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| 72 | fcc.ProgressCalculation += new DataAnalysis.FeatureCorrelationCalculator.ProgressCalculationHandler(Content_ProgressCalculation);
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| 73 | fcc.CorrelationCalculationFinished += new DataAnalysis.FeatureCorrelationCalculator.CorrelationCalculationFinishedHandler(Content_CorrelationCalculationFinished);
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| 74 | }
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| 75 |
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| 76 | protected override void DeregisterContentEvents() {
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| 77 | fcc.CorrelationCalculationFinished += new DataAnalysis.FeatureCorrelationCalculator.CorrelationCalculationFinishedHandler(Content_CorrelationCalculationFinished);
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| 78 | fcc.ProgressCalculation += new DataAnalysis.FeatureCorrelationCalculator.ProgressCalculationHandler(Content_ProgressCalculation);
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| 79 | base.DeregisterContentEvents();
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| 80 | }
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| 81 |
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| 82 | protected override void OnContentChanged() {
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| 83 | base.OnContentChanged();
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| 84 | if (Content != null) {
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| 85 | fcc.ProblemData = Content;
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[8689] | 86 | bool[] initialVisibility = SetInitialVisibilityOfColumns();
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| 87 |
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| 88 | variableVisibility = new VariableVisibilityDialog(Content.Dataset.DoubleVariables, initialVisibility);
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| 89 | variableVisibility.VariableVisibilityChanged += new ItemCheckEventHandler(variableVisibility_VariableVisibilityChanged);
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[8578] | 90 | CalculateCorrelation();
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| 91 | } else {
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| 92 | DataGridView.Columns.Clear();
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| 93 | DataGridView.Rows.Clear();
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| 94 | }
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| 95 | }
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| 96 |
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[8689] | 97 | protected virtual bool[] SetInitialVisibilityOfColumns() {
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| 98 | bool[] initialVisibility = new bool[Content.Dataset.DoubleVariables.Count()];
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| 99 | int i = 0;
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| 100 | foreach (var variable in Content.Dataset.DoubleVariables) {
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| 101 | initialVisibility[i] = Content.AllowedInputVariables.Contains(variable);
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| 102 | i++;
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| 103 | }
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| 104 | return initialVisibility;
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| 105 | }
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| 106 |
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| 107 | protected abstract void variableVisibility_VariableVisibilityChanged(object sender, ItemCheckEventArgs e);
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| 108 |
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[8578] | 109 | protected void CorrelationMeasureComboBox_SelectedChangeCommitted(object sender, System.EventArgs e) {
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| 110 | CalculateCorrelation();
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| 111 | }
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| 112 | protected void PartitionComboBox_SelectedChangeCommitted(object sender, System.EventArgs e) {
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| 113 | CalculateCorrelation();
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| 114 | }
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| 115 |
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| 116 | protected abstract void CalculateCorrelation();
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| 117 |
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| 118 | protected void UpdateDataGrid() {
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| 119 | virtualRowIndices = Enumerable.Range(0, currentCorrelation.Rows).ToArray();
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| 120 | DataGridViewColumn[] columns = new DataGridViewColumn[currentCorrelation.Columns];
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| 121 | for (int i = 0; i < columns.Length; ++i) {
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| 122 | var column = new DataGridViewTextBoxColumn();
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| 123 | column.FillWeight = 1;
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| 124 | columns[i] = column;
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| 125 | }
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| 126 |
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| 127 | DataGridView.Columns.Clear();
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| 128 | DataGridView.Columns.AddRange(columns);
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| 129 |
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| 130 | DataGridView.RowCount = currentCorrelation.Rows;
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| 131 |
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| 132 | ClearSorting();
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| 133 | UpdateColumnHeaders();
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| 134 | UpdateRowHeaders();
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| 135 |
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| 136 | maximumLabel.Text = currentCorrelation.Maximum.ToString();
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| 137 | minimumLabel.Text = currentCorrelation.Minimum.ToString();
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| 138 |
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| 139 | DataGridView.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.ColumnHeader);
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| 140 | DataGridView.AutoResizeRowHeadersWidth(DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders);
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| 141 | DataGridView.Enabled = true;
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| 142 | }
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| 143 |
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| 144 | protected virtual void UpdateColumnHeaders() {
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| 145 | for (int i = 0; i < DataGridView.ColumnCount; i++) {
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| 146 | DataGridView.Columns[i].HeaderText = currentCorrelation.ColumnNames.ElementAt(i);
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[8689] | 147 | DataGridView.Columns[i].Visible = variableVisibility.Visibility[i];
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[8578] | 148 | }
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| 149 | }
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| 150 | protected virtual void UpdateRowHeaders() {
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| 151 | for (int i = 0; i < DataGridView.RowCount; i++) {
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| 152 | DataGridView.Rows[i].HeaderCell.Value = currentCorrelation.RowNames.ElementAt(virtualRowIndices[i]);
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[8689] | 153 | DataGridView.Rows[i].Visible = variableVisibility.Visibility[virtualRowIndices[i]];
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[8578] | 154 | }
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| 155 | }
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| 156 |
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| 157 | protected void Content_ProgressCalculation(object sender, ProgressChangedEventArgs e) {
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| 158 | if (!CalculatingPanel.Visible && e.ProgressPercentage != HeatMapProgressBar.Maximum) {
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| 159 | CalculatingPanel.Show();
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| 160 | } else if (e.ProgressPercentage == HeatMapProgressBar.Maximum) {
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| 161 | CalculatingPanel.Hide();
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| 162 | }
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| 163 | HeatMapProgressBar.Value = e.ProgressPercentage;
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| 164 | }
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| 165 |
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| 166 | protected abstract void Content_CorrelationCalculationFinished(object sender, FeatureCorrelationCalculator.CorrelationCalculationFinishedArgs e);
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| 167 |
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| 168 | protected void DataGridView_CellValueNeeded(object sender, DataGridViewCellValueEventArgs e) {
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| 169 | if (Content == null) return;
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| 170 | int rowIndex = virtualRowIndices[e.RowIndex];
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| 171 | e.Value = currentCorrelation[rowIndex, e.ColumnIndex];
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| 172 | }
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| 173 |
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| 174 | protected void DataGridView_CellPainting(object sender, DataGridViewCellPaintingEventArgs e) {
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| 175 | if (Content == null) return;
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| 176 | if (e.RowIndex < 0) return;
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| 177 | if (e.ColumnIndex < 0) return;
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| 178 | if (e.State.HasFlag(DataGridViewElementStates.Selected)) return;
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| 179 | if (!e.PaintParts.HasFlag(DataGridViewPaintParts.Background)) return;
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| 180 |
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| 181 | int rowIndex = virtualRowIndices[e.RowIndex];
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| 182 | Color backColor = GetDataPointColor(currentCorrelation[rowIndex, e.ColumnIndex], currentCorrelation.Minimum, currentCorrelation.Maximum);
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| 183 | using (Brush backColorBrush = new SolidBrush(backColor)) {
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| 184 | e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
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| 185 | }
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| 186 | e.PaintContent(e.CellBounds);
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| 187 | e.Handled = true;
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| 188 | }
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| 189 |
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| 190 | protected virtual Color GetDataPointColor(double value, double min, double max) {
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[8689] | 191 | if (double.IsNaN(value)) {
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| 192 | return Color.DarkGray;
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| 193 | }
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[8578] | 194 | IList<Color> colors = ColorGradient.Colors;
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| 195 | int index = (int)((colors.Count - 1) * (value - min) / (max - min));
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| 196 | if (index >= colors.Count) index = colors.Count - 1;
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| 197 | if (index < 0) index = 0;
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| 198 | return colors[index];
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| 199 | }
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| 200 |
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| 201 | #region sort
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| 202 | protected void DataGridView_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e) {
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| 203 | if (Content != null) {
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| 204 | if (e.Button == MouseButtons.Left) {
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| 205 | bool addToSortedIndices = (Control.ModifierKeys & Keys.Control) == Keys.Control;
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| 206 | SortOrder newSortOrder = SortOrder.Ascending;
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| 207 | if (sortedColumnIndices.Any(x => x.Key == e.ColumnIndex)) {
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| 208 | SortOrder oldSortOrder = sortedColumnIndices.Where(x => x.Key == e.ColumnIndex).First().Value;
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| 209 | int enumLength = Enum.GetValues(typeof(SortOrder)).Length;
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| 210 | newSortOrder = oldSortOrder = (SortOrder)Enum.Parse(typeof(SortOrder), ((((int)oldSortOrder) + 1) % enumLength).ToString());
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| 211 | }
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| 212 |
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| 213 | if (!addToSortedIndices)
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| 214 | sortedColumnIndices.Clear();
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| 215 |
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| 216 | if (sortedColumnIndices.Any(x => x.Key == e.ColumnIndex)) {
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| 217 | int sortedIndex = sortedColumnIndices.FindIndex(x => x.Key == e.ColumnIndex);
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| 218 | if (newSortOrder != SortOrder.None)
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| 219 | sortedColumnIndices[sortedIndex] = new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder);
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| 220 | else
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| 221 | sortedColumnIndices.RemoveAt(sortedIndex);
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| 222 | } else
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| 223 | if (newSortOrder != SortOrder.None)
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| 224 | sortedColumnIndices.Add(new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder));
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| 225 | Sort();
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| 226 | }
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| 227 | }
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| 228 | }
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| 229 |
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| 230 | protected virtual void ClearSorting() {
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| 231 | virtualRowIndices = Enumerable.Range(0, currentCorrelation.Rows).ToArray();
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| 232 | sortedColumnIndices.Clear();
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| 233 | UpdateSortGlyph();
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| 234 | }
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| 235 |
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| 236 | private void Sort() {
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| 237 | virtualRowIndices = Sort(sortedColumnIndices);
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| 238 | UpdateSortGlyph();
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| 239 | UpdateRowHeaders();
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| 240 | DataGridView.Invalidate();
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| 241 | }
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| 242 |
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| 243 | protected virtual int[] Sort(IEnumerable<KeyValuePair<int, SortOrder>> sortedColumns) {
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| 244 | int[] newSortedIndex = Enumerable.Range(0, currentCorrelation.Rows).ToArray();
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| 245 | if (sortedColumns.Count() != 0) {
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| 246 | rowComparer.SortedIndices = sortedColumns;
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| 247 | rowComparer.Matrix = currentCorrelation;
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| 248 | Array.Sort(newSortedIndex, rowComparer);
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| 249 | }
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| 250 | return newSortedIndex;
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| 251 | }
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| 252 | private void UpdateSortGlyph() {
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| 253 | foreach (DataGridViewColumn col in this.DataGridView.Columns)
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| 254 | col.HeaderCell.SortGlyphDirection = SortOrder.None;
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| 255 | foreach (KeyValuePair<int, SortOrder> p in sortedColumnIndices)
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| 256 | this.DataGridView.Columns[p.Key].HeaderCell.SortGlyphDirection = p.Value;
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| 257 | }
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| 258 | #endregion
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| 259 |
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| 260 | #region copy
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| 261 | protected void DataGridView_KeyDown(object sender, KeyEventArgs e) {
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| 262 | if (e.Control && e.KeyCode == Keys.C)
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| 263 | CopyValuesFromDataGridView();
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| 264 | }
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| 265 |
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| 266 | private void CopyValuesFromDataGridView() {
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| 267 | if (DataGridView.SelectedCells.Count == 0) return;
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| 268 | StringBuilder s = new StringBuilder();
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| 269 | int minRowIndex = DataGridView.SelectedCells[0].RowIndex;
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| 270 | int maxRowIndex = DataGridView.SelectedCells[DataGridView.SelectedCells.Count - 1].RowIndex;
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| 271 | int minColIndex = DataGridView.SelectedCells[0].ColumnIndex;
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| 272 | int maxColIndex = DataGridView.SelectedCells[DataGridView.SelectedCells.Count - 1].ColumnIndex;
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| 273 |
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| 274 | if (minRowIndex > maxRowIndex) {
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| 275 | int temp = minRowIndex;
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| 276 | minRowIndex = maxRowIndex;
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| 277 | maxRowIndex = temp;
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| 278 | }
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| 279 | if (minColIndex > maxColIndex) {
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| 280 | int temp = minColIndex;
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| 281 | minColIndex = maxColIndex;
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| 282 | maxColIndex = temp;
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| 283 | }
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| 284 |
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| 285 | bool addRowNames = DataGridView.AreAllCellsSelected(false) && currentCorrelation.RowNames.Count() > 0;
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| 286 | bool addColumnNames = DataGridView.AreAllCellsSelected(false) && currentCorrelation.ColumnNames.Count() > 0;
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| 287 |
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| 288 | //add colum names
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| 289 | if (addColumnNames) {
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| 290 | if (addRowNames)
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| 291 | s.Append('\t');
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| 292 |
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| 293 | DataGridViewColumn column = DataGridView.Columns.GetFirstColumn(DataGridViewElementStates.Visible);
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| 294 | while (column != null) {
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| 295 | s.Append(column.HeaderText);
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| 296 | s.Append('\t');
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| 297 | column = DataGridView.Columns.GetNextColumn(column, DataGridViewElementStates.Visible, DataGridViewElementStates.None);
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| 298 | }
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| 299 | s.Remove(s.Length - 1, 1); //remove last tab
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| 300 | s.Append(Environment.NewLine);
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| 301 | }
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| 302 |
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| 303 | for (int i = minRowIndex; i <= maxRowIndex; i++) {
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| 304 | int rowIndex = this.virtualRowIndices[i];
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| 305 | if (addRowNames) {
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| 306 | s.Append(currentCorrelation.RowNames.ElementAt(rowIndex));
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| 307 | s.Append('\t');
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| 308 | }
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| 309 |
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| 310 | DataGridViewColumn column = DataGridView.Columns.GetFirstColumn(DataGridViewElementStates.Visible);
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| 311 | while (column != null) {
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| 312 | DataGridViewCell cell = DataGridView[column.Index, i];
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| 313 | if (cell.Selected) {
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| 314 | s.Append(currentCorrelation[rowIndex, column.Index]);
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| 315 | s.Append('\t');
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| 316 | }
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| 317 |
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| 318 | column = DataGridView.Columns.GetNextColumn(column, DataGridViewElementStates.Visible, DataGridViewElementStates.None);
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| 319 | }
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| 320 | s.Remove(s.Length - 1, 1); //remove last tab
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| 321 | s.Append(Environment.NewLine);
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| 322 | }
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| 323 | Clipboard.SetText(s.ToString());
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| 324 | }
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| 325 | #endregion
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[8689] | 326 |
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| 327 | protected void ShowHideColumns_Click(object sender, EventArgs e) {
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| 328 | variableVisibility.ShowDialog();
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| 329 | }
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| 330 |
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| 331 | protected void DataGridView_MouseClick(object sender, MouseEventArgs e) {
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| 332 | if (Content == null) return;
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| 333 | if (e.Button == MouseButtons.Right && DataGridView.Columns.Count != 0)
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| 334 | contextMenu.Show(MousePosition);
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| 335 | }
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| 336 |
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| 337 | protected int GetRowIndexOfVirtualindex(int virtualIndex) {
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| 338 | if (virtualIndex < 0 || virtualIndex >= virtualRowIndices.Length) {
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| 339 | throw new ArgumentException("Virtual index is out of bounds");
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| 340 | }
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| 341 |
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| 342 | for (int i = 0; i < virtualRowIndices.Length; i++) {
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| 343 | if (virtualRowIndices[i] == virtualIndex) {
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| 344 | return i;
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| 345 | }
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| 346 | }
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| 347 | throw new ArgumentException("Virtual index was not found!");
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| 348 | }
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[8578] | 349 | }
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| 350 | } |
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