[4094] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[11185] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[4094] | 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.Linq;
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| 25 | using System.Windows.Forms;
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| 26 | using System.Windows.Forms.DataVisualization.Charting;
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[4652] | 27 | using HeuristicLab.Common;
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[4094] | 28 | using HeuristicLab.Core;
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| 29 | using HeuristicLab.Data;
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| 30 | using HeuristicLab.MainForm;
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| 31 | using HeuristicLab.MainForm.WindowsForms;
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| 32 |
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| 33 | namespace HeuristicLab.Optimization.Views {
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[9910] | 34 | [View("Box Plot")]
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[4094] | 35 | [Content(typeof(RunCollection), false)]
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| 36 | public partial class RunCollectionBoxPlotView : AsynchronousContentView {
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| 37 | private enum AxisDimension { Color = 0 }
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| 38 | private const string BoxPlotSeriesName = "BoxPlotSeries";
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| 39 | private const string BoxPlotChartAreaName = "BoxPlotChartArea";
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| 40 |
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[4883] | 41 | private bool suppressUpdates = false;
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[4094] | 42 | private string xAxisValue;
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| 43 | private string yAxisValue;
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| 44 | private Dictionary<int, Dictionary<object, double>> categoricalMapping;
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[4211] | 45 | private SortedDictionary<double, Series> seriesCache;
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[4094] | 46 |
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| 47 | public RunCollectionBoxPlotView() {
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| 48 | InitializeComponent();
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[4883] | 49 | categoricalMapping = new Dictionary<int, Dictionary<object, double>>();
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| 50 | seriesCache = new SortedDictionary<double, Series>();
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| 51 | chart.ChartAreas[0].Visible = false;
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| 52 | chart.Series.Clear();
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| 53 | chart.ChartAreas.Add(BoxPlotChartAreaName);
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| 54 | chart.CustomizeAllChartAreas();
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[6638] | 55 | chart.ChartAreas[BoxPlotChartAreaName].Axes.ToList().ForEach(x => { x.ScaleView.Zoomable = true; x.ScaleView.MinSize = 0; });
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| 56 | chart.ChartAreas[BoxPlotChartAreaName].CursorX.Interval = 0.5;
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| 57 | chart.ChartAreas[BoxPlotChartAreaName].CursorY.Interval = 1e-5;
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[4094] | 58 | }
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| 59 |
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| 60 | public new RunCollection Content {
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| 61 | get { return (RunCollection)base.Content; }
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| 62 | set { base.Content = value; }
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| 63 | }
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| 64 | public IStringConvertibleMatrix Matrix {
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| 65 | get { return this.Content; }
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| 66 | }
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| 67 |
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| 68 | #region RunCollection and Run events
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| 69 | protected override void RegisterContentEvents() {
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| 70 | base.RegisterContentEvents();
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| 71 | Content.Reset += new EventHandler(Content_Reset);
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| 72 | Content.ColumnNamesChanged += new EventHandler(Content_ColumnNamesChanged);
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| 73 | Content.ItemsAdded += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
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| 74 | Content.ItemsRemoved += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
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| 75 | Content.CollectionReset += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
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[4888] | 76 | Content.UpdateOfRunsInProgressChanged += new EventHandler(Content_UpdateOfRunsInProgressChanged);
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[8962] | 77 | Content.OptimizerNameChanged += new EventHandler(Content_AlgorithmNameChanged);
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[4094] | 78 | RegisterRunEvents(Content);
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| 79 | }
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| 80 | protected override void DeregisterContentEvents() {
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| 81 | base.DeregisterContentEvents();
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| 82 | Content.Reset -= new EventHandler(Content_Reset);
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| 83 | Content.ColumnNamesChanged -= new EventHandler(Content_ColumnNamesChanged);
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| 84 | Content.ItemsAdded -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
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| 85 | Content.ItemsRemoved -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
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| 86 | Content.CollectionReset -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
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[4888] | 87 | Content.UpdateOfRunsInProgressChanged -= new EventHandler(Content_UpdateOfRunsInProgressChanged);
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[8962] | 88 | Content.OptimizerNameChanged -= new EventHandler(Content_AlgorithmNameChanged);
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[4094] | 89 | DeregisterRunEvents(Content);
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| 90 | }
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| 91 |
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| 92 | protected virtual void RegisterRunEvents(IEnumerable<IRun> runs) {
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| 93 | foreach (IRun run in runs)
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| 94 | run.Changed += new EventHandler(run_Changed);
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| 95 | }
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| 96 | protected virtual void DeregisterRunEvents(IEnumerable<IRun> runs) {
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| 97 | foreach (IRun run in runs)
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| 98 | run.Changed -= new EventHandler(run_Changed);
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| 99 | }
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| 100 |
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| 101 | private void Content_CollectionReset(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IRun> e) {
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| 102 | DeregisterRunEvents(e.OldItems);
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| 103 | RegisterRunEvents(e.Items);
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| 104 | }
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| 105 | private void Content_ItemsRemoved(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IRun> e) {
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| 106 | DeregisterRunEvents(e.Items);
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| 107 | }
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| 108 | private void Content_ItemsAdded(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IRun> e) {
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| 109 | RegisterRunEvents(e.Items);
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| 110 | }
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[4888] | 111 | private void Content_UpdateOfRunsInProgressChanged(object sender, EventArgs e) {
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[4883] | 112 | if (InvokeRequired)
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[4888] | 113 | Invoke(new EventHandler(Content_UpdateOfRunsInProgressChanged), sender, e);
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[4883] | 114 | else {
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[4888] | 115 | suppressUpdates = Content.UpdateOfRunsInProgress;
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[4883] | 116 | if (!suppressUpdates) UpdateDataPoints();
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| 117 | }
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| 118 | }
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[4094] | 119 |
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| 120 | private void Content_Reset(object sender, EventArgs e) {
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| 121 | if (InvokeRequired)
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| 122 | Invoke(new EventHandler(Content_Reset), sender, e);
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| 123 | else {
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| 124 | UpdateDataPoints();
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[9235] | 125 | UpdateAxisLabels();
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[4094] | 126 | }
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| 127 | }
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| 128 | private void Content_ColumnNamesChanged(object sender, EventArgs e) {
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| 129 | if (InvokeRequired)
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| 130 | Invoke(new EventHandler(Content_ColumnNamesChanged), sender, e);
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| 131 | else {
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| 132 | UpdateComboBoxes();
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| 133 | }
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| 134 | }
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| 135 | private void run_Changed(object sender, EventArgs e) {
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| 136 | if (InvokeRequired)
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| 137 | this.Invoke(new EventHandler(run_Changed), sender, e);
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[4883] | 138 | else if (!suppressUpdates) {
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[4094] | 139 | UpdateDataPoints();
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| 140 | }
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| 141 | }
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[8738] | 142 |
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| 143 | private void Content_AlgorithmNameChanged(object sender, EventArgs e) {
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| 144 | if (InvokeRequired)
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| 145 | Invoke(new EventHandler(Content_AlgorithmNameChanged), sender, e);
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| 146 | else UpdateCaption();
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| 147 | }
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[4094] | 148 | #endregion
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| 149 |
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| 150 | #region update comboboxes, datapoints, runs
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| 151 | protected override void OnContentChanged() {
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| 152 | base.OnContentChanged();
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| 153 | this.categoricalMapping.Clear();
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| 154 | UpdateComboBoxes();
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| 155 | UpdateDataPoints();
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[8738] | 156 | UpdateCaption();
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[4094] | 157 | }
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| 158 |
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[8738] | 159 | private void UpdateCaption() {
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[9910] | 160 | Caption = Content != null ? Content.OptimizerName + " Box Plot" : ViewAttribute.GetViewName(GetType());
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[8738] | 161 | }
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| 162 |
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[4094] | 163 | private void UpdateComboBoxes() {
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| 164 | string selectedXAxis = (string)this.xAxisComboBox.SelectedItem;
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| 165 | string selectedYAxis = (string)this.yAxisComboBox.SelectedItem;
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| 166 | this.xAxisComboBox.Items.Clear();
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| 167 | this.yAxisComboBox.Items.Clear();
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| 168 | if (Content != null) {
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| 169 | string[] additionalAxisDimension = Enum.GetNames(typeof(AxisDimension));
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| 170 | this.xAxisComboBox.Items.AddRange(additionalAxisDimension);
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| 171 | this.xAxisComboBox.Items.AddRange(Matrix.ColumnNames.ToArray());
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| 172 | this.yAxisComboBox.Items.AddRange(additionalAxisDimension);
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| 173 | this.yAxisComboBox.Items.AddRange(Matrix.ColumnNames.ToArray());
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| 174 |
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| 175 | bool changed = false;
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| 176 | if (selectedXAxis != null && xAxisComboBox.Items.Contains(selectedXAxis)) {
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| 177 | xAxisComboBox.SelectedItem = selectedXAxis;
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| 178 | changed = true;
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| 179 | }
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| 180 | if (selectedYAxis != null && yAxisComboBox.Items.Contains(selectedYAxis)) {
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| 181 | yAxisComboBox.SelectedItem = selectedYAxis;
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| 182 | changed = true;
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| 183 | }
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| 184 | if (changed)
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| 185 | UpdateDataPoints();
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| 186 | }
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| 187 | }
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| 188 |
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| 189 | private void UpdateDataPoints() {
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[11007] | 190 | this.categoricalMapping.Clear();
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[4094] | 191 | this.chart.Series.Clear();
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| 192 | this.seriesCache.Clear();
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| 193 | if (Content != null) {
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| 194 | foreach (IRun run in this.Content.Where(r => r.Visible))
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| 195 | this.AddDataPoint(run);
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| 196 | foreach (Series s in this.seriesCache.Values)
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| 197 | this.chart.Series.Add(s);
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| 198 |
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[4652] | 199 | UpdateStatistics();
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[4094] | 200 | if (seriesCache.Count > 0) {
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| 201 | Series boxPlotSeries = CreateBoxPlotSeries();
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| 202 | this.chart.Series.Add(boxPlotSeries);
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| 203 | }
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| 204 |
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| 205 | UpdateAxisLabels();
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| 206 | }
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| 207 | UpdateNoRunsVisibleLabel();
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| 208 | }
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| 209 |
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[4652] | 210 | private void UpdateStatistics() {
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[4768] | 211 | DoubleMatrix matrix = new DoubleMatrix(9, seriesCache.Count);
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[4652] | 212 | matrix.SortableView = false;
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| 213 | List<string> columnNames = new List<string>();
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| 214 | foreach (Series series in seriesCache.Values) {
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| 215 | DataPoint datapoint = series.Points.FirstOrDefault();
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| 216 | if (datapoint != null) {
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| 217 | IRun run = (IRun)datapoint.Tag;
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[11024] | 218 | string selectedAxis = xAxisValue;
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[4652] | 219 | IItem value = null;
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| 220 |
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| 221 | if (Enum.IsDefined(typeof(AxisDimension), selectedAxis)) {
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| 222 | AxisDimension axisDimension = (AxisDimension)Enum.Parse(typeof(AxisDimension), selectedAxis);
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| 223 | switch (axisDimension) {
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| 224 | case AxisDimension.Color: value = new StringValue(run.Color.ToString());
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| 225 | break;
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| 226 | }
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| 227 | } else value = Content.GetValue(run, selectedAxis);
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| 228 | string columnName = string.Empty;
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| 229 | if (value is DoubleValue || value is IntValue)
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| 230 | columnName = selectedAxis + ": ";
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| 231 | columnName += value.ToString();
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| 232 | columnNames.Add(columnName);
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| 233 | }
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| 234 | }
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| 235 | matrix.ColumnNames = columnNames;
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[10767] | 236 | matrix.RowNames = new string[] { "Count", "Minimum", "Maximum", "Median", "Average", "Standard Deviation", "Variance", "25th Percentile", "75th Percentile" };
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[4652] | 237 |
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| 238 | for (int i = 0; i < seriesCache.Count; i++) {
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| 239 | Series series = seriesCache.ElementAt(i).Value;
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| 240 | double[] seriesValues = series.Points.Select(p => p.YValues[0]).OrderBy(d => d).ToArray();
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[4721] | 241 | matrix[0, i] = seriesValues.Length;
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[4768] | 242 | matrix[1, i] = seriesValues.Min();
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| 243 | matrix[2, i] = seriesValues.Max();
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[10767] | 244 | matrix[3, i] = seriesValues.Median();
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| 245 | matrix[4, i] = seriesValues.Average();
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[4768] | 246 | matrix[5, i] = seriesValues.StandardDeviation();
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| 247 | matrix[6, i] = seriesValues.Variance();
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| 248 | matrix[7, i] = seriesValues.Percentile(0.25);
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| 249 | matrix[8, i] = seriesValues.Percentile(0.75);
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[4652] | 250 | }
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| 251 | statisticsMatrixView.Content = matrix;
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| 252 | }
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| 253 |
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[4094] | 254 | private Series CreateBoxPlotSeries() {
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| 255 | Series boxPlotSeries = new Series(BoxPlotSeriesName);
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| 256 | string seriesNames = string.Concat(seriesCache.Keys.Select(x => x.ToString() + ";").ToArray());
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| 257 | seriesNames = seriesNames.Remove(seriesNames.Length - 1); //delete last ; from string
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| 258 |
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| 259 | boxPlotSeries.ChartArea = BoxPlotChartAreaName;
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| 260 | boxPlotSeries.ChartType = SeriesChartType.BoxPlot;
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| 261 | boxPlotSeries["BoxPlotSeries"] = seriesNames;
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| 262 | boxPlotSeries["BoxPlotShowUnusualValues"] = "true";
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| 263 | boxPlotSeries["PointWidth"] = "0.4";
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| 264 | boxPlotSeries.BackGradientStyle = System.Windows.Forms.DataVisualization.Charting.GradientStyle.VerticalCenter;
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| 265 | boxPlotSeries.BackSecondaryColor = System.Drawing.Color.FromArgb(130, 224, 64, 10);
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| 266 | boxPlotSeries.BorderColor = System.Drawing.Color.FromArgb(64, 64, 64);
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| 267 | boxPlotSeries.Color = System.Drawing.Color.FromArgb(224, 64, 10);
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| 268 |
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| 269 | return boxPlotSeries;
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| 270 | }
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| 271 |
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| 272 | private void AddDataPoint(IRun run) {
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| 273 | double? xValue;
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| 274 | double? yValue;
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| 275 |
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| 276 | if (!xAxisComboBox.DroppedDown)
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| 277 | this.xAxisValue = (string)xAxisComboBox.SelectedItem;
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| 278 | if (!yAxisComboBox.DroppedDown)
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| 279 | this.yAxisValue = (string)yAxisComboBox.SelectedItem;
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| 280 |
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| 281 | xValue = GetValue(run, this.xAxisValue);
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| 282 | yValue = GetValue(run, this.yAxisValue);
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| 283 |
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| 284 | if (xValue.HasValue && yValue.HasValue) {
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| 285 | if (!this.seriesCache.ContainsKey(xValue.Value))
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| 286 | seriesCache[xValue.Value] = new Series(xValue.Value.ToString());
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| 287 |
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| 288 | Series series = seriesCache[xValue.Value];
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| 289 | DataPoint point = new DataPoint(xValue.Value, yValue.Value);
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[4652] | 290 | point.Tag = run;
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[4094] | 291 | series.Points.Add(point);
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| 292 | }
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| 293 | }
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| 294 | #endregion
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| 295 |
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| 296 | #region get values from run
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| 297 | private double? GetValue(IRun run, string columnName) {
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| 298 | if (run == null || string.IsNullOrEmpty(columnName))
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| 299 | return null;
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| 300 |
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| 301 | if (Enum.IsDefined(typeof(AxisDimension), columnName)) {
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| 302 | AxisDimension axisDimension = (AxisDimension)Enum.Parse(typeof(AxisDimension), columnName);
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| 303 | return GetValue(run, axisDimension);
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| 304 | } else {
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| 305 | int columnIndex = Matrix.ColumnNames.ToList().IndexOf(columnName);
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| 306 | IItem value = Content.GetValue(run, columnIndex);
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| 307 | if (value == null)
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| 308 | return null;
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| 309 |
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| 310 | DoubleValue doubleValue = value as DoubleValue;
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| 311 | IntValue intValue = value as IntValue;
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| 312 | TimeSpanValue timeSpanValue = value as TimeSpanValue;
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| 313 | double? ret = null;
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| 314 | if (doubleValue != null) {
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| 315 | if (!double.IsNaN(doubleValue.Value) && !double.IsInfinity(doubleValue.Value))
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| 316 | ret = doubleValue.Value;
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| 317 | } else if (intValue != null)
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| 318 | ret = intValue.Value;
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| 319 | else if (timeSpanValue != null) {
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| 320 | ret = timeSpanValue.Value.TotalSeconds;
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| 321 | } else
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| 322 | ret = GetCategoricalValue(columnIndex, value.ToString());
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| 323 |
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| 324 | return ret;
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| 325 | }
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| 326 | }
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[11007] | 327 | private double? GetCategoricalValue(int dimension, string value) {
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[9235] | 328 | if (!this.categoricalMapping.ContainsKey(dimension)) {
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[4094] | 329 | this.categoricalMapping[dimension] = new Dictionary<object, double>();
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[9435] | 330 | var orderedCategories = Content.Where(r => r.Visible && Content.GetValue(r, dimension) != null).Select(r => Content.GetValue(r, dimension).ToString())
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| 331 | .Distinct().OrderBy(x => x, new NaturalStringComparer());
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[9235] | 332 | int count = 1;
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| 333 | foreach (var category in orderedCategories) {
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| 334 | this.categoricalMapping[dimension].Add(category, count);
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| 335 | count++;
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| 336 | }
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[4094] | 337 | }
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[11007] | 338 | if (!this.categoricalMapping[dimension].ContainsKey(value)) return null;
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[4094] | 339 | return this.categoricalMapping[dimension][value];
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| 340 | }
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[11007] | 341 | private double? GetValue(IRun run, AxisDimension axisDimension) {
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| 342 | double? value = double.NaN;
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[4094] | 343 | switch (axisDimension) {
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| 344 | case AxisDimension.Color: {
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| 345 | value = GetCategoricalValue(-1, run.Color.ToString());
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| 346 | break;
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| 347 | }
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| 348 | default: {
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| 349 | throw new ArgumentException("No handling strategy for " + axisDimension.ToString() + " is defined.");
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| 350 | }
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| 351 | }
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| 352 | return value;
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| 353 | }
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| 354 | #endregion
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| 355 |
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| 356 | #region GUI events
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| 357 | private void UpdateNoRunsVisibleLabel() {
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[4883] | 358 | if (this.chart.Series.Count > 0) {
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[4094] | 359 | noRunsLabel.Visible = false;
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[4888] | 360 | showStatisticsCheckBox.Enabled = true;
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[4883] | 361 | splitContainer.Panel2Collapsed = !showStatisticsCheckBox.Checked;
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| 362 | } else {
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[4094] | 363 | noRunsLabel.Visible = true;
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[4888] | 364 | showStatisticsCheckBox.Enabled = false;
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[4883] | 365 | splitContainer.Panel2Collapsed = true;
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| 366 | }
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[4094] | 367 | }
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| 368 |
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| 369 | private void AxisComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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| 370 | UpdateDataPoints();
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| 371 | }
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| 372 | private void UpdateAxisLabels() {
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| 373 | Axis xAxis = this.chart.ChartAreas[BoxPlotChartAreaName].AxisX;
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| 374 | Axis yAxis = this.chart.ChartAreas[BoxPlotChartAreaName].AxisY;
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| 375 | int axisDimensionCount = Enum.GetNames(typeof(AxisDimension)).Count();
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[11024] | 376 | //mkommend: combobox.SelectedIndex could not be used as this changes during hoovering over possible values
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| 377 | var xSAxisSelectedIndex = xAxisValue == null ? 0 : xAxisComboBox.Items.IndexOf(xAxisValue);
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| 378 | var ySAxisSelectedIndex = yAxisValue == null ? 0 : xAxisComboBox.Items.IndexOf(yAxisValue);
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| 379 | SetCustomAxisLabels(xAxis, xSAxisSelectedIndex - axisDimensionCount);
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| 380 | SetCustomAxisLabels(yAxis, ySAxisSelectedIndex - axisDimensionCount);
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| 381 | if (xAxisValue != null)
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| 382 | xAxis.Title = xAxisValue;
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| 383 | if (yAxisValue != null)
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| 384 | yAxis.Title = yAxisValue;
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[4094] | 385 | }
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| 386 |
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| 387 | private void chart_AxisViewChanged(object sender, System.Windows.Forms.DataVisualization.Charting.ViewEventArgs e) {
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| 388 | this.UpdateAxisLabels();
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| 389 | }
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| 390 |
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| 391 | private void SetCustomAxisLabels(Axis axis, int dimension) {
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| 392 | axis.CustomLabels.Clear();
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| 393 | if (categoricalMapping.ContainsKey(dimension)) {
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[9435] | 394 | int position = 1;
|
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| 395 | foreach (var pair in categoricalMapping[dimension].Where(x => seriesCache.ContainsKey(x.Value))) {
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[4094] | 396 | string labelText = pair.Key.ToString();
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[4211] | 397 | CustomLabel label = new CustomLabel();
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| 398 | label.ToolTip = labelText;
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[4094] | 399 | if (labelText.Length > 25)
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| 400 | labelText = labelText.Substring(0, 25) + " ... ";
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[4211] | 401 | label.Text = labelText;
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[4094] | 402 | label.GridTicks = GridTickTypes.TickMark;
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[9435] | 403 | label.FromPosition = position - 0.5;
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| 404 | label.ToPosition = position + 0.5;
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[4211] | 405 | axis.CustomLabels.Add(label);
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[9435] | 406 | position++;
|
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[4094] | 407 | }
|
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| 408 | } else if (dimension > 0 && Content.GetValue(0, dimension) is TimeSpanValue) {
|
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| 409 | this.chart.ChartAreas[0].RecalculateAxesScale();
|
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| 410 | Axis correspondingAxis = this.chart.ChartAreas[0].Axes.Where(x => x.Name == axis.Name).SingleOrDefault();
|
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| 411 | if (correspondingAxis == null)
|
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| 412 | correspondingAxis = axis;
|
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| 413 | for (double i = correspondingAxis.Minimum; i <= correspondingAxis.Maximum; i += correspondingAxis.LabelStyle.Interval) {
|
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| 414 | TimeSpan time = TimeSpan.FromSeconds(i);
|
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| 415 | string x = string.Format("{0:00}:{1:00}:{2:00}", (int)time.Hours, time.Minutes, time.Seconds);
|
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| 416 | axis.CustomLabels.Add(i - correspondingAxis.LabelStyle.Interval / 2, i + correspondingAxis.LabelStyle.Interval / 2, x);
|
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| 417 | }
|
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[4211] | 418 | } else if (chart.ChartAreas[BoxPlotChartAreaName].AxisX == axis) {
|
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| 419 | double position = 1.0;
|
---|
| 420 | foreach (Series series in chart.Series) {
|
---|
| 421 | if (series.Name != BoxPlotSeriesName) {
|
---|
| 422 | string labelText = series.Points[0].XValue.ToString();
|
---|
| 423 | CustomLabel label = new CustomLabel();
|
---|
| 424 | label.FromPosition = position - 0.5;
|
---|
| 425 | label.ToPosition = position + 0.5;
|
---|
| 426 | label.GridTicks = GridTickTypes.TickMark;
|
---|
| 427 | label.Text = labelText;
|
---|
| 428 | axis.CustomLabels.Add(label);
|
---|
| 429 | position++;
|
---|
| 430 | }
|
---|
| 431 | }
|
---|
[4094] | 432 | }
|
---|
| 433 | }
|
---|
[4652] | 434 |
|
---|
| 435 | private void chart_MouseMove(object sender, MouseEventArgs e) {
|
---|
| 436 | string newTooltipText = string.Empty;
|
---|
| 437 | string oldTooltipText;
|
---|
| 438 | HitTestResult h = this.chart.HitTest(e.X, e.Y);
|
---|
| 439 | if (h.ChartElementType == ChartElementType.AxisLabels) {
|
---|
| 440 | newTooltipText = ((CustomLabel)h.Object).ToolTip;
|
---|
| 441 | }
|
---|
| 442 |
|
---|
| 443 | oldTooltipText = this.tooltip.GetToolTip(chart);
|
---|
| 444 | if (newTooltipText != oldTooltipText)
|
---|
| 445 | this.tooltip.SetToolTip(chart, newTooltipText);
|
---|
| 446 | }
|
---|
[4094] | 447 | #endregion
|
---|
[4652] | 448 |
|
---|
[4721] | 449 | private void showStatisticsCheckBox_CheckedChanged(object sender, EventArgs e) {
|
---|
| 450 | splitContainer.Panel2Collapsed = !showStatisticsCheckBox.Checked;
|
---|
| 451 | }
|
---|
| 452 |
|
---|
[4094] | 453 | }
|
---|
| 454 | }
|
---|