[14449] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16662] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[14449] | 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.Drawing;
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| 25 | using System.Linq;
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| 26 | using System.Windows.Forms;
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| 27 | using System.Windows.Forms.DataVisualization.Charting;
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| 28 | using HeuristicLab.Collections;
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[14982] | 29 | using HeuristicLab.Core.Views;
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| 30 | using HeuristicLab.MainForm;
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[14449] | 31 |
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| 32 | namespace HeuristicLab.Analysis.Views {
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[14982] | 33 | [View("DataTable View")]
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| 34 | [Content(typeof(DataTable), true)]
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| 35 | public partial class DataTableView : NamedItemView, IConfigureableView {
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[14449] | 36 | protected List<Series> invisibleSeries;
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| 37 | protected Dictionary<IObservableList<double>, DataRow> valuesRowsTable;
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[15042] | 38 | protected bool showChartOnly = false;
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[14449] | 39 |
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[14542] | 40 | public new DataTable Content {
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| 41 | get { return (DataTable)base.Content; }
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| 42 | set { base.Content = value; }
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[14449] | 43 | }
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| 44 |
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[15042] | 45 | public bool ShowChartOnly {
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| 46 | get { return showChartOnly; }
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[14982] | 47 | set {
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[15042] | 48 | if (showChartOnly != value) {
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| 49 | showChartOnly = value;
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| 50 | UpdateControlsVisibility();
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[14982] | 51 | }
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| 52 | }
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| 53 | }
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| 54 |
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| 55 | public DataTableView() {
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[14449] | 56 | InitializeComponent();
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| 57 | valuesRowsTable = new Dictionary<IObservableList<double>, DataRow>();
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| 58 | invisibleSeries = new List<Series>();
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| 59 | chart.CustomizeAllChartAreas();
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| 60 | chart.ChartAreas[0].CursorX.Interval = 1;
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| 61 | chart.ContextMenuStrip.Items.Add(configureToolStripMenuItem);
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| 62 | }
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| 63 |
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| 64 | #region Event Handler Registration
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[14542] | 65 | protected override void DeregisterContentEvents() {
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[14449] | 66 | foreach (DataRow row in Content.Rows)
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| 67 | DeregisterDataRowEvents(row);
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| 68 | Content.VisualPropertiesChanged -= new EventHandler(Content_VisualPropertiesChanged);
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| 69 | Content.Rows.ItemsAdded -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded);
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| 70 | Content.Rows.ItemsRemoved -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved);
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| 71 | Content.Rows.ItemsReplaced -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced);
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| 72 | Content.Rows.CollectionReset -= new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset);
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[15099] | 73 | base.DeregisterContentEvents();
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[14449] | 74 | }
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[14542] | 75 | protected override void RegisterContentEvents() {
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[15099] | 76 | base.RegisterContentEvents();
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[14449] | 77 | Content.VisualPropertiesChanged += new EventHandler(Content_VisualPropertiesChanged);
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| 78 | Content.Rows.ItemsAdded += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded);
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| 79 | Content.Rows.ItemsRemoved += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved);
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| 80 | Content.Rows.ItemsReplaced += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced);
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| 81 | Content.Rows.CollectionReset += new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset);
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| 82 | }
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| 83 |
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| 84 | protected virtual void RegisterDataRowEvents(DataRow row) {
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| 85 | row.NameChanged += new EventHandler(Row_NameChanged);
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| 86 | row.VisualPropertiesChanged += new EventHandler(Row_VisualPropertiesChanged);
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| 87 | valuesRowsTable.Add(row.Values, row);
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| 88 | row.Values.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded);
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| 89 | row.Values.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved);
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| 90 | row.Values.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced);
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| 91 | row.Values.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved);
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| 92 | row.Values.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset);
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| 93 | }
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| 94 | protected virtual void DeregisterDataRowEvents(DataRow row) {
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| 95 | row.Values.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded);
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| 96 | row.Values.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved);
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| 97 | row.Values.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced);
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| 98 | row.Values.ItemsMoved -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved);
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| 99 | row.Values.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset);
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| 100 | valuesRowsTable.Remove(row.Values);
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| 101 | row.VisualPropertiesChanged -= new EventHandler(Row_VisualPropertiesChanged);
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| 102 | row.NameChanged -= new EventHandler(Row_NameChanged);
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| 103 | }
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| 104 | #endregion
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| 105 |
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[14542] | 106 | protected override void OnContentChanged() {
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[14982] | 107 | base.OnContentChanged();
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[14449] | 108 | invisibleSeries.Clear();
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| 109 | chart.Titles[0].Text = string.Empty;
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| 110 | chart.ChartAreas[0].AxisX.Title = string.Empty;
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| 111 | chart.ChartAreas[0].AxisY.Title = string.Empty;
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| 112 | chart.ChartAreas[0].AxisY2.Title = string.Empty;
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| 113 | chart.Series.Clear();
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| 114 | if (Content != null) {
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| 115 | chart.Titles[0].Text = Content.Name;
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| 116 | chart.Titles[0].Visible = !string.IsNullOrEmpty(Content.Name);
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| 117 | AddDataRows(Content.Rows);
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| 118 | ConfigureChartArea(chart.ChartAreas[0]);
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| 119 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 120 | }
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| 121 | }
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| 122 |
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[14542] | 123 | protected override void SetEnabledStateOfControls() {
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[14982] | 124 | base.SetEnabledStateOfControls();
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[14449] | 125 | chart.Enabled = Content != null;
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| 126 | }
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| 127 |
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| 128 | public void ShowConfiguration() {
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| 129 | if (Content != null) {
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[16662] | 130 | using (var dialog = new DataTableVisualPropertiesDialog<DataRow>(Content)) {
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[14449] | 131 | dialog.ShowDialog(this);
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| 132 | }
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| 133 | } else MessageBox.Show("Nothing to configure.");
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| 134 | }
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[15042] | 135 |
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| 136 | protected void UpdateControlsVisibility() {
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| 137 | if (InvokeRequired)
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| 138 | Invoke(new Action(UpdateControlsVisibility));
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| 139 | else {
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| 140 | foreach (Control c in Controls) {
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| 141 | if (c == chart) continue;
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| 142 | c.Visible = !showChartOnly;
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| 143 | }
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| 144 | chart.Dock = showChartOnly ? DockStyle.Fill : DockStyle.None;
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| 145 | }
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| 146 | }
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| 147 |
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[14449] | 148 | protected virtual void AddDataRows(IEnumerable<DataRow> rows) {
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| 149 | foreach (var row in rows) {
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| 150 | RegisterDataRowEvents(row);
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[14589] | 151 | var series = new Series(row.Name) {
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| 152 | Tag = row
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| 153 | };
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[14449] | 154 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
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| 155 | else series.LegendText = row.Name;
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| 156 | ConfigureSeries(series, row);
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| 157 | FillSeriesWithRowValues(series, row);
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| 158 | chart.Series.Add(series);
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| 159 | }
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| 160 | ConfigureChartArea(chart.ChartAreas[0]);
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| 161 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 162 | UpdateYCursorInterval();
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[14589] | 163 | UpdateHistogramTransparency();
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[14449] | 164 | }
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| 165 |
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| 166 | protected virtual void RemoveDataRows(IEnumerable<DataRow> rows) {
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| 167 | foreach (var row in rows) {
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| 168 | DeregisterDataRowEvents(row);
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| 169 | Series series = chart.Series[row.Name];
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| 170 | chart.Series.Remove(series);
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| 171 | if (invisibleSeries.Contains(series))
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| 172 | invisibleSeries.Remove(series);
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| 173 | }
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| 174 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 175 | }
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| 176 |
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| 177 | private void ConfigureSeries(Series series, DataRow row) {
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| 178 | RemoveCustomPropertyIfExists(series, "PointWidth");
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| 179 | series.BorderWidth = 1;
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| 180 | series.BorderDashStyle = ChartDashStyle.Solid;
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| 181 | series.BorderColor = Color.Empty;
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| 182 |
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| 183 | if (row.VisualProperties.Color != Color.Empty)
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| 184 | series.Color = row.VisualProperties.Color;
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| 185 | else series.Color = Color.Empty;
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| 186 | series.IsVisibleInLegend = row.VisualProperties.IsVisibleInLegend;
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| 187 |
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| 188 | switch (row.VisualProperties.ChartType) {
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| 189 | case DataRowVisualProperties.DataRowChartType.Line:
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| 190 | series.ChartType = SeriesChartType.FastLine;
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| 191 | series.BorderWidth = row.VisualProperties.LineWidth;
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| 192 | series.BorderDashStyle = ConvertLineStyle(row.VisualProperties.LineStyle);
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| 193 | break;
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| 194 | case DataRowVisualProperties.DataRowChartType.Bars:
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| 195 | // Bar is incompatible with anything but Bar and StackedBar*
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| 196 | if (!chart.Series.Any(x => x.ChartType != SeriesChartType.Bar && x.ChartType != SeriesChartType.StackedBar && x.ChartType != SeriesChartType.StackedBar100))
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| 197 | series.ChartType = SeriesChartType.Bar;
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| 198 | else {
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| 199 | series.ChartType = SeriesChartType.FastPoint; //default
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| 200 | row.VisualProperties.ChartType = DataRowVisualProperties.DataRowChartType.Points;
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| 201 | }
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| 202 | break;
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| 203 | case DataRowVisualProperties.DataRowChartType.Columns:
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| 204 | series.ChartType = SeriesChartType.Column;
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| 205 | break;
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| 206 | case DataRowVisualProperties.DataRowChartType.Points:
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| 207 | series.ChartType = SeriesChartType.FastPoint;
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| 208 | break;
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| 209 | case DataRowVisualProperties.DataRowChartType.Histogram:
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[15068] | 210 | bool stacked = Content.VisualProperties.HistogramAggregation == DataTableVisualProperties.DataTableHistogramAggregation.Stacked;
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[14589] | 211 | series.ChartType = stacked ? SeriesChartType.StackedColumn : SeriesChartType.Column;
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[15068] | 212 | bool sideBySide = Content.VisualProperties.HistogramAggregation == DataTableVisualProperties.DataTableHistogramAggregation.SideBySide;
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[14589] | 213 | series.SetCustomProperty("DrawSideBySide", sideBySide ? "True" : "False");
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[14449] | 214 | series.SetCustomProperty("PointWidth", "1");
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| 215 | if (!series.Color.IsEmpty && series.Color.GetBrightness() < 0.25)
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| 216 | series.BorderColor = Color.White;
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| 217 | else series.BorderColor = Color.Black;
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| 218 | break;
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| 219 | case DataRowVisualProperties.DataRowChartType.StepLine:
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| 220 | series.ChartType = SeriesChartType.StepLine;
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| 221 | series.BorderWidth = row.VisualProperties.LineWidth;
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| 222 | series.BorderDashStyle = ConvertLineStyle(row.VisualProperties.LineStyle);
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| 223 | break;
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| 224 | default:
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| 225 | series.ChartType = SeriesChartType.FastPoint;
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| 226 | break;
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| 227 | }
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| 228 | series.YAxisType = row.VisualProperties.SecondYAxis ? AxisType.Secondary : AxisType.Primary;
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| 229 | series.XAxisType = row.VisualProperties.SecondXAxis ? AxisType.Secondary : AxisType.Primary;
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| 230 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
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| 231 | else series.LegendText = row.Name;
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| 232 |
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| 233 | string xAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.XAxisTitle)
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| 234 | ? "X"
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| 235 | : Content.VisualProperties.XAxisTitle;
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| 236 | string yAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.YAxisTitle)
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| 237 | ? "Y"
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| 238 | : Content.VisualProperties.YAxisTitle;
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| 239 | series.ToolTip =
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| 240 | series.LegendText + Environment.NewLine +
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| 241 | xAxisTitle + " = " + "#INDEX," + Environment.NewLine +
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| 242 | yAxisTitle + " = " + "#VAL";
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| 243 | }
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| 244 |
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| 245 | private void ConfigureChartArea(ChartArea area) {
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| 246 | if (Content.VisualProperties.TitleFont != null) chart.Titles[0].Font = Content.VisualProperties.TitleFont;
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| 247 | if (!Content.VisualProperties.TitleColor.IsEmpty) chart.Titles[0].ForeColor = Content.VisualProperties.TitleColor;
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| 248 | chart.Titles[0].Text = Content.VisualProperties.Title;
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| 249 | chart.Titles[0].Visible = !string.IsNullOrEmpty(Content.VisualProperties.Title);
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| 250 |
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| 251 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisX.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 252 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisX.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 253 | area.AxisX.Title = Content.VisualProperties.XAxisTitle;
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| 254 |
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| 255 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisX2.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 256 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisX2.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 257 | area.AxisX2.Title = Content.VisualProperties.SecondXAxisTitle;
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| 258 |
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| 259 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisY.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 260 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisY.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 261 | area.AxisY.Title = Content.VisualProperties.YAxisTitle;
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| 262 |
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| 263 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisY2.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 264 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisY2.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 265 | area.AxisY2.Title = Content.VisualProperties.SecondYAxisTitle;
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| 266 |
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| 267 | area.AxisX.IsLogarithmic = Content.VisualProperties.XAxisLogScale;
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| 268 | area.AxisX2.IsLogarithmic = Content.VisualProperties.SecondXAxisLogScale;
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| 269 | area.AxisY.IsLogarithmic = Content.VisualProperties.YAxisLogScale;
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| 270 | area.AxisY2.IsLogarithmic = Content.VisualProperties.SecondYAxisLogScale;
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| 271 | }
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| 272 |
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| 273 | private void RecalculateAxesScale(ChartArea area) {
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| 274 | // Reset the axes bounds so that RecalculateAxesScale() will assign new bounds
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| 275 | foreach (Axis a in area.Axes) {
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| 276 | a.Minimum = double.NaN;
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| 277 | a.Maximum = double.NaN;
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| 278 | }
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| 279 | area.RecalculateAxesScale();
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| 280 | area.AxisX.IsMarginVisible = false;
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| 281 | area.AxisX2.IsMarginVisible = false;
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| 282 |
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| 283 | if (!Content.VisualProperties.XAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.XAxisMinimumFixedValue)) area.AxisX.Minimum = Content.VisualProperties.XAxisMinimumFixedValue;
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| 284 | if (!Content.VisualProperties.XAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.XAxisMaximumFixedValue)) area.AxisX.Maximum = Content.VisualProperties.XAxisMaximumFixedValue;
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| 285 | if (!Content.VisualProperties.SecondXAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.SecondXAxisMinimumFixedValue)) area.AxisX2.Minimum = Content.VisualProperties.SecondXAxisMinimumFixedValue;
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| 286 | if (!Content.VisualProperties.SecondXAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.SecondXAxisMaximumFixedValue)) area.AxisX2.Maximum = Content.VisualProperties.SecondXAxisMaximumFixedValue;
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| 287 | if (!Content.VisualProperties.YAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.YAxisMinimumFixedValue)) area.AxisY.Minimum = Content.VisualProperties.YAxisMinimumFixedValue;
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| 288 | if (!Content.VisualProperties.YAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.YAxisMaximumFixedValue)) area.AxisY.Maximum = Content.VisualProperties.YAxisMaximumFixedValue;
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| 289 | if (!Content.VisualProperties.SecondYAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.SecondYAxisMinimumFixedValue)) area.AxisY2.Minimum = Content.VisualProperties.SecondYAxisMinimumFixedValue;
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| 290 | if (!Content.VisualProperties.SecondYAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.SecondYAxisMaximumFixedValue)) area.AxisY2.Maximum = Content.VisualProperties.SecondYAxisMaximumFixedValue;
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| 291 | if (area.AxisX.Minimum >= area.AxisX.Maximum) area.AxisX.Maximum = area.AxisX.Minimum + 1;
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| 292 | if (area.AxisX2.Minimum >= area.AxisX2.Maximum) area.AxisX2.Maximum = area.AxisX2.Minimum + 1;
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| 293 | if (area.AxisY.Minimum >= area.AxisY.Maximum) area.AxisY.Maximum = area.AxisY.Minimum + 1;
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| 294 | if (area.AxisY2.Minimum >= area.AxisY2.Maximum) area.AxisY2.Maximum = area.AxisY2.Minimum + 1;
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| 295 | }
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| 296 |
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| 297 | protected virtual void UpdateYCursorInterval() {
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| 298 | double interestingValuesRange = (
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| 299 | from series in chart.Series
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| 300 | where series.Enabled
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| 301 | let values = (from point in series.Points
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| 302 | where !point.IsEmpty
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| 303 | select point.YValues[0]).DefaultIfEmpty(1.0)
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| 304 | let range = values.Max() - values.Min()
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| 305 | where range > 0.0
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| 306 | select range
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| 307 | ).DefaultIfEmpty(1.0).Min();
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| 308 |
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| 309 | double digits = (int)Math.Log10(interestingValuesRange) - 3;
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| 310 | double yZoomInterval = Math.Pow(10, digits);
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| 311 | this.chart.ChartAreas[0].CursorY.Interval = yZoomInterval;
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| 312 | }
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| 313 |
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[14589] | 314 | protected void UpdateHistogramTransparency() {
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| 315 | if (Content.Rows.Any(r => RequiresTransparency(r) && r.VisualProperties.Color.IsEmpty)) {
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| 316 | foreach (var series in chart.Series) // sync colors before applying palette colors
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| 317 | series.Color = ((DataRow)series.Tag).VisualProperties.Color;
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| 318 | chart.ApplyPaletteColors();
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| 319 | }
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| 320 |
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| 321 | var numTransparent = Content.Rows.Count(RequiresTransparency);
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| 322 | if (numTransparent <= 1) return;
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| 323 | foreach (var series in chart.Series) {
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| 324 | var row = (DataRow)series.Tag;
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| 325 | if (!RequiresTransparency(row))
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| 326 | continue;
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| 327 | var baseColor = row.VisualProperties.Color;
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| 328 | if (baseColor.IsEmpty) baseColor = series.Color;
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| 329 | series.Color = Color.FromArgb(180, baseColor);
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| 330 | }
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| 331 | }
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| 332 | private bool RequiresTransparency(DataRow row) {
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| 333 | return row.VisualProperties.ChartType == DataRowVisualProperties.DataRowChartType.Histogram
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[15068] | 334 | && Content.VisualProperties.HistogramAggregation == DataTableVisualProperties.DataTableHistogramAggregation.Overlapping;
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[14589] | 335 | }
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| 336 |
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[14449] | 337 | #region Event Handlers
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| 338 | #region Content Event Handlers
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| 339 | private void Content_VisualPropertiesChanged(object sender, EventArgs e) {
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| 340 | if (InvokeRequired)
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| 341 | Invoke(new EventHandler(Content_VisualPropertiesChanged), sender, e);
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| 342 | else {
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| 343 | ConfigureChartArea(chart.ChartAreas[0]);
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| 344 | RecalculateAxesScale(chart.ChartAreas[0]); // axes min/max could have changed
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[15095] | 345 |
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| 346 | chart.Update(); // side-by-side and stacked histograms are not always correctly displayed without an update
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| 347 | // (chart update is required before the series are updated, otherwise the widths of the bars are updated incorrectly)
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[15068] | 348 | foreach (var row in Content.Rows.Where(r => r.VisualProperties.ChartType == DataRowVisualProperties.DataRowChartType.Histogram))
|
---|
| 349 | Row_VisualPropertiesChanged(row, EventArgs.Empty); // Histogram properties could have changed
|
---|
[14449] | 350 | }
|
---|
| 351 | }
|
---|
| 352 | #endregion
|
---|
| 353 | #region Rows Event Handlers
|
---|
| 354 | private void Rows_ItemsAdded(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
|
---|
| 355 | if (InvokeRequired)
|
---|
| 356 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded), sender, e);
|
---|
| 357 | else {
|
---|
| 358 | AddDataRows(e.Items);
|
---|
| 359 | }
|
---|
| 360 | }
|
---|
| 361 | private void Rows_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
|
---|
| 362 | if (InvokeRequired)
|
---|
| 363 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved), sender, e);
|
---|
| 364 | else {
|
---|
| 365 | RemoveDataRows(e.Items);
|
---|
| 366 | }
|
---|
| 367 | }
|
---|
| 368 | private void Rows_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
|
---|
| 369 | if (InvokeRequired)
|
---|
| 370 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced), sender, e);
|
---|
| 371 | else {
|
---|
| 372 | RemoveDataRows(e.OldItems);
|
---|
| 373 | AddDataRows(e.Items);
|
---|
| 374 | }
|
---|
| 375 | }
|
---|
| 376 | private void Rows_CollectionReset(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
|
---|
| 377 | if (InvokeRequired)
|
---|
| 378 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset), sender, e);
|
---|
| 379 | else {
|
---|
| 380 | RemoveDataRows(e.OldItems);
|
---|
| 381 | AddDataRows(e.Items);
|
---|
| 382 | }
|
---|
| 383 | }
|
---|
| 384 | #endregion
|
---|
| 385 | #region Row Event Handlers
|
---|
| 386 | private void Row_VisualPropertiesChanged(object sender, EventArgs e) {
|
---|
| 387 | if (InvokeRequired)
|
---|
| 388 | Invoke(new EventHandler(Row_VisualPropertiesChanged), sender, e);
|
---|
| 389 | else {
|
---|
| 390 | DataRow row = (DataRow)sender;
|
---|
| 391 | Series series = chart.Series[row.Name];
|
---|
[15619] | 392 | ClearPoints(series.Points);
|
---|
[14449] | 393 | ConfigureSeries(series, row);
|
---|
[14589] | 394 | if (!invisibleSeries.Contains(series)) {
|
---|
| 395 | FillSeriesWithRowValues(series, row);
|
---|
| 396 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
| 397 | UpdateHistogramTransparency();
|
---|
| 398 | }
|
---|
[14449] | 399 | }
|
---|
| 400 | }
|
---|
| 401 | private void Row_NameChanged(object sender, EventArgs e) {
|
---|
| 402 | if (InvokeRequired)
|
---|
| 403 | Invoke(new EventHandler(Row_NameChanged), sender, e);
|
---|
| 404 | else {
|
---|
| 405 | DataRow row = (DataRow)sender;
|
---|
| 406 | chart.Series[row.Name].Name = row.Name;
|
---|
| 407 | }
|
---|
| 408 | }
|
---|
| 409 | #endregion
|
---|
| 410 | #region Values Event Handlers
|
---|
| 411 | private void Values_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 412 | if (InvokeRequired)
|
---|
| 413 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded), sender, e);
|
---|
| 414 | else {
|
---|
| 415 | DataRow row = null;
|
---|
| 416 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
| 417 | if (row != null) {
|
---|
| 418 | Series rowSeries = chart.Series[row.Name];
|
---|
| 419 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
[15619] | 420 | ClearPoints(rowSeries.Points);
|
---|
[14449] | 421 | FillSeriesWithRowValues(rowSeries, row);
|
---|
| 422 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
| 423 | UpdateYCursorInterval();
|
---|
| 424 | }
|
---|
| 425 | }
|
---|
| 426 | }
|
---|
| 427 | }
|
---|
| 428 | private void Values_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 429 | if (InvokeRequired)
|
---|
| 430 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved), sender, e);
|
---|
| 431 | else {
|
---|
| 432 | DataRow row = null;
|
---|
| 433 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
| 434 | if (row != null) {
|
---|
| 435 | Series rowSeries = chart.Series[row.Name];
|
---|
| 436 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
[15619] | 437 | ClearPoints(rowSeries.Points);
|
---|
[14449] | 438 | FillSeriesWithRowValues(rowSeries, row);
|
---|
| 439 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
| 440 | UpdateYCursorInterval();
|
---|
| 441 | }
|
---|
| 442 | }
|
---|
| 443 | }
|
---|
| 444 | }
|
---|
| 445 | private void Values_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 446 | if (InvokeRequired)
|
---|
| 447 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced), sender, e);
|
---|
| 448 | else {
|
---|
| 449 | DataRow row = null;
|
---|
| 450 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
| 451 | if (row != null) {
|
---|
| 452 | Series rowSeries = chart.Series[row.Name];
|
---|
| 453 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
| 454 | if (row.VisualProperties.ChartType == DataRowVisualProperties.DataRowChartType.Histogram) {
|
---|
[15619] | 455 | ClearPoints(rowSeries.Points);
|
---|
[14449] | 456 | FillSeriesWithRowValues(rowSeries, row);
|
---|
| 457 | } else {
|
---|
| 458 | foreach (IndexedItem<double> item in e.Items) {
|
---|
| 459 | if (IsInvalidValue(item.Value))
|
---|
| 460 | rowSeries.Points[item.Index].IsEmpty = true;
|
---|
| 461 | else {
|
---|
| 462 | rowSeries.Points[item.Index].YValues = new double[] { item.Value };
|
---|
| 463 | rowSeries.Points[item.Index].IsEmpty = false;
|
---|
| 464 | }
|
---|
| 465 | }
|
---|
| 466 | }
|
---|
| 467 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
| 468 | UpdateYCursorInterval();
|
---|
| 469 | }
|
---|
| 470 | }
|
---|
| 471 | }
|
---|
| 472 | }
|
---|
| 473 | private void Values_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 474 | if (InvokeRequired)
|
---|
| 475 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved), sender, e);
|
---|
| 476 | else {
|
---|
| 477 | DataRow row = null;
|
---|
| 478 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
| 479 | if (row != null) {
|
---|
| 480 | Series rowSeries = chart.Series[row.Name];
|
---|
| 481 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
[15619] | 482 | ClearPoints(rowSeries.Points);
|
---|
[14449] | 483 | FillSeriesWithRowValues(rowSeries, row);
|
---|
| 484 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
| 485 | UpdateYCursorInterval();
|
---|
| 486 | }
|
---|
| 487 | }
|
---|
| 488 | }
|
---|
| 489 | }
|
---|
| 490 |
|
---|
| 491 | private void Values_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 492 | if (InvokeRequired)
|
---|
| 493 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset), sender, e);
|
---|
| 494 | else {
|
---|
| 495 | DataRow row = null;
|
---|
| 496 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
| 497 | if (row != null) {
|
---|
| 498 | Series rowSeries = chart.Series[row.Name];
|
---|
| 499 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
[15619] | 500 | ClearPoints(rowSeries.Points);
|
---|
[14449] | 501 | FillSeriesWithRowValues(rowSeries, row);
|
---|
| 502 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
| 503 | UpdateYCursorInterval();
|
---|
| 504 | }
|
---|
| 505 | }
|
---|
| 506 | }
|
---|
| 507 | }
|
---|
| 508 | #endregion
|
---|
| 509 | private void configureToolStripMenuItem_Click(object sender, EventArgs e) {
|
---|
| 510 | ShowConfiguration();
|
---|
| 511 | }
|
---|
| 512 | #endregion
|
---|
| 513 |
|
---|
| 514 | #region Chart Event Handlers
|
---|
| 515 | private void chart_MouseDown(object sender, MouseEventArgs e) {
|
---|
| 516 | HitTestResult result = chart.HitTest(e.X, e.Y);
|
---|
| 517 | if (result.ChartElementType == ChartElementType.LegendItem) {
|
---|
| 518 | ToggleSeriesVisible(result.Series);
|
---|
| 519 | }
|
---|
| 520 | }
|
---|
| 521 | private void chart_MouseMove(object sender, MouseEventArgs e) {
|
---|
| 522 | HitTestResult result = chart.HitTest(e.X, e.Y);
|
---|
| 523 | if (result.ChartElementType == ChartElementType.LegendItem)
|
---|
| 524 | this.Cursor = Cursors.Hand;
|
---|
| 525 | else
|
---|
| 526 | this.Cursor = Cursors.Default;
|
---|
| 527 | }
|
---|
| 528 | private void chart_CustomizeLegend(object sender, CustomizeLegendEventArgs e) {
|
---|
| 529 | foreach (LegendItem legendItem in e.LegendItems) {
|
---|
| 530 | var series = chart.Series[legendItem.SeriesName];
|
---|
| 531 | if (series != null) {
|
---|
| 532 | bool seriesIsInvisible = invisibleSeries.Contains(series);
|
---|
| 533 | foreach (LegendCell cell in legendItem.Cells) {
|
---|
| 534 | cell.ForeColor = seriesIsInvisible ? Color.Gray : Color.Black;
|
---|
| 535 | }
|
---|
| 536 | }
|
---|
| 537 | }
|
---|
| 538 | }
|
---|
| 539 | #endregion
|
---|
| 540 |
|
---|
| 541 | private void ToggleSeriesVisible(Series series) {
|
---|
| 542 | if (!invisibleSeries.Contains(series)) {
|
---|
[15619] | 543 | ClearPoints(series.Points);
|
---|
[14449] | 544 | invisibleSeries.Add(series);
|
---|
| 545 | } else {
|
---|
| 546 | invisibleSeries.Remove(series);
|
---|
| 547 | if (Content != null) {
|
---|
| 548 |
|
---|
| 549 | var row = (from r in Content.Rows
|
---|
| 550 | where r.Name == series.Name
|
---|
| 551 | select r).Single();
|
---|
| 552 | FillSeriesWithRowValues(series, row);
|
---|
| 553 | this.chart.Legends[series.Legend].ForeColor = Color.Black;
|
---|
| 554 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
| 555 | UpdateYCursorInterval();
|
---|
| 556 | }
|
---|
| 557 | }
|
---|
| 558 | }
|
---|
| 559 |
|
---|
| 560 | private void FillSeriesWithRowValues(Series series, DataRow row) {
|
---|
| 561 | switch (row.VisualProperties.ChartType) {
|
---|
| 562 | case DataRowVisualProperties.DataRowChartType.Histogram:
|
---|
[15068] | 563 | // when a single histogram is updated, all histograms must be updated. otherwise the value ranges may not be equal.
|
---|
[14498] | 564 | var histograms = Content.Rows
|
---|
| 565 | .Where(r => r.VisualProperties.ChartType == DataRowVisualProperties.DataRowChartType.Histogram)
|
---|
| 566 | .ToList();
|
---|
| 567 | CalculateHistogram(series, row, histograms);
|
---|
| 568 | foreach (var h in from r in histograms
|
---|
| 569 | where r != row
|
---|
| 570 | let s = chart.Series.FindByName(r.Name)
|
---|
| 571 | where s != null
|
---|
| 572 | where !invisibleSeries.Contains(s)
|
---|
| 573 | select new { row = r, series = s }) {
|
---|
[15619] | 574 | ClearPoints(h.series.Points);
|
---|
[14498] | 575 | CalculateHistogram(h.series, h.row, histograms);
|
---|
| 576 | }
|
---|
[14449] | 577 | break;
|
---|
| 578 | default: {
|
---|
| 579 | bool yLogarithmic = series.YAxisType == AxisType.Primary
|
---|
| 580 | ? Content.VisualProperties.YAxisLogScale
|
---|
| 581 | : Content.VisualProperties.SecondYAxisLogScale;
|
---|
| 582 | bool xLogarithmic = series.XAxisType == AxisType.Primary
|
---|
| 583 | ? Content.VisualProperties.XAxisLogScale
|
---|
| 584 | : Content.VisualProperties.SecondXAxisLogScale;
|
---|
| 585 | for (int i = 0; i < row.Values.Count; i++) {
|
---|
| 586 | var value = row.Values[i];
|
---|
| 587 | var point = new DataPoint();
|
---|
| 588 | point.XValue = row.VisualProperties.StartIndexZero && !xLogarithmic ? i : i + 1;
|
---|
| 589 | if (IsInvalidValue(value) || (yLogarithmic && value <= 0))
|
---|
| 590 | point.IsEmpty = true;
|
---|
| 591 | else
|
---|
| 592 | point.YValues = new double[] { value };
|
---|
| 593 | series.Points.Add(point);
|
---|
| 594 | }
|
---|
| 595 | }
|
---|
| 596 | break;
|
---|
| 597 | }
|
---|
| 598 | }
|
---|
| 599 |
|
---|
[14498] | 600 | protected virtual void CalculateHistogram(Series series, DataRow row, IEnumerable<DataRow> histogramRows) {
|
---|
[15619] | 601 | ClearPoints(series.Points);
|
---|
[14449] | 602 | if (!row.Values.Any()) return;
|
---|
| 603 |
|
---|
[14542] | 604 | var validValues = histogramRows.SelectMany(r => r.Values).Where(x => !IsInvalidValue(x)).ToList();
|
---|
| 605 | if (!validValues.Any()) return;
|
---|
| 606 |
|
---|
[15068] | 607 | int bins = Content.VisualProperties.HistogramBins;
|
---|
[14542] | 608 | decimal minValue = (decimal)validValues.Min();
|
---|
| 609 | decimal maxValue = (decimal)validValues.Max();
|
---|
[14498] | 610 | decimal intervalWidth = (maxValue - minValue) / bins;
|
---|
[14449] | 611 | if (intervalWidth < 0) return;
|
---|
| 612 | if (intervalWidth == 0) {
|
---|
| 613 | series.Points.AddXY(minValue, row.Values.Count);
|
---|
| 614 | return;
|
---|
| 615 | }
|
---|
| 616 |
|
---|
[15068] | 617 | if (!Content.VisualProperties.HistogramExactBins) {
|
---|
[14498] | 618 | intervalWidth = (decimal)HumanRoundRange((double)intervalWidth);
|
---|
[14449] | 619 | minValue = Math.Floor(minValue / intervalWidth) * intervalWidth;
|
---|
| 620 | maxValue = Math.Ceiling(maxValue / intervalWidth) * intervalWidth;
|
---|
| 621 | }
|
---|
| 622 |
|
---|
[14498] | 623 | decimal intervalCenter = intervalWidth / 2;
|
---|
[14449] | 624 |
|
---|
[14498] | 625 | decimal min = 0.0m, max = 0.0m;
|
---|
[14449] | 626 | if (!Double.IsNaN(Content.VisualProperties.XAxisMinimumFixedValue) && !Content.VisualProperties.XAxisMinimumAuto)
|
---|
[14498] | 627 | min = (decimal)Content.VisualProperties.XAxisMinimumFixedValue;
|
---|
[14449] | 628 | else min = minValue;
|
---|
| 629 | if (!Double.IsNaN(Content.VisualProperties.XAxisMaximumFixedValue) && !Content.VisualProperties.XAxisMaximumAuto)
|
---|
[14498] | 630 | max = (decimal)Content.VisualProperties.XAxisMaximumFixedValue;
|
---|
[14449] | 631 | else max = maxValue + intervalWidth;
|
---|
| 632 |
|
---|
[14498] | 633 | double axisInterval = (double)intervalWidth / row.VisualProperties.ScaleFactor;
|
---|
[14449] | 634 |
|
---|
| 635 | var area = chart.ChartAreas[0];
|
---|
| 636 | area.AxisX.Interval = axisInterval;
|
---|
| 637 |
|
---|
| 638 | series.SetCustomProperty("PointWidth", "1"); // 0.8 is the default value
|
---|
| 639 |
|
---|
| 640 | // get the range or intervals which define the grouping of the frequency values
|
---|
[14498] | 641 | var range = Range(min, max, intervalWidth).Skip(1).ToList();
|
---|
[14449] | 642 |
|
---|
| 643 | // aggregate the row values by unique key and frequency value
|
---|
| 644 | var valueFrequencies = (from v in row.Values
|
---|
| 645 | where !IsInvalidValue(v)
|
---|
| 646 | orderby v
|
---|
| 647 | group v by v into g
|
---|
| 648 | select new Tuple<double, double>(g.First(), g.Count())).ToList();
|
---|
| 649 |
|
---|
[14498] | 650 | // ensure that each column is displayed completely on the chart by adding two dummy datapoints on the upper and lower range
|
---|
| 651 | series.Points.Add(new DataPoint((double)(min - intervalWidth), 0));
|
---|
| 652 | series.Points.Add(new DataPoint((double)(max + intervalWidth), 0));
|
---|
[14449] | 653 |
|
---|
| 654 | // add data points
|
---|
| 655 | int j = 0;
|
---|
[14753] | 656 | int overallCount = row.Values.Count(x => !IsInvalidValue(x));
|
---|
[14498] | 657 | foreach (var d in range) {
|
---|
[14449] | 658 | double sum = 0.0;
|
---|
| 659 | // sum the frequency values that fall within the same interval
|
---|
[14498] | 660 | while (j < valueFrequencies.Count && (decimal)valueFrequencies[j].Item1 < d) {
|
---|
[14449] | 661 | sum += valueFrequencies[j].Item2;
|
---|
| 662 | ++j;
|
---|
| 663 | }
|
---|
| 664 | string xAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.XAxisTitle)
|
---|
| 665 | ? "X"
|
---|
| 666 | : Content.VisualProperties.XAxisTitle;
|
---|
| 667 | string yAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.YAxisTitle)
|
---|
| 668 | ? "Y"
|
---|
| 669 | : Content.VisualProperties.YAxisTitle;
|
---|
[14498] | 670 | series.Points.Add(new DataPoint((double)(d - intervalCenter), sum) {
|
---|
[14449] | 671 | ToolTip =
|
---|
[14753] | 672 | string.Format("{0}: [{1} - {2})", xAxisTitle, (d - intervalWidth), d) + Environment.NewLine +
|
---|
| 673 | string.Format("{0}: {1} ({2:F2}%)", yAxisTitle, sum, sum / overallCount * 100)
|
---|
[14449] | 674 | });
|
---|
| 675 | }
|
---|
| 676 | }
|
---|
| 677 |
|
---|
| 678 | #region Helpers
|
---|
[14498] | 679 | public static IEnumerable<decimal> Range(decimal min, decimal max, decimal step) {
|
---|
| 680 | decimal i;
|
---|
[14449] | 681 | for (i = min; i <= max; i += step)
|
---|
| 682 | yield return i;
|
---|
| 683 |
|
---|
| 684 | if (i != max + step)
|
---|
| 685 | yield return i;
|
---|
| 686 | }
|
---|
| 687 |
|
---|
| 688 | protected void RemoveCustomPropertyIfExists(Series series, string property) {
|
---|
| 689 | if (series.IsCustomPropertySet(property)) series.DeleteCustomProperty(property);
|
---|
| 690 | }
|
---|
| 691 |
|
---|
| 692 | private double HumanRoundRange(double range) {
|
---|
| 693 | double base10 = Math.Pow(10.0, Math.Floor(Math.Log10(range)));
|
---|
| 694 | double rounding = range / base10;
|
---|
| 695 | if (rounding <= 1.5) rounding = 1;
|
---|
| 696 | else if (rounding <= 2.25) rounding = 2;
|
---|
| 697 | else if (rounding <= 3.75) rounding = 2.5;
|
---|
| 698 | else if (rounding <= 7.5) rounding = 5;
|
---|
| 699 | else rounding = 10;
|
---|
| 700 | return rounding * base10;
|
---|
| 701 | }
|
---|
| 702 |
|
---|
| 703 | private double HumanRoundMax(double max) {
|
---|
| 704 | double base10;
|
---|
| 705 | if (max > 0) base10 = Math.Pow(10.0, Math.Floor(Math.Log10(max)));
|
---|
| 706 | else base10 = Math.Pow(10.0, Math.Ceiling(Math.Log10(-max)));
|
---|
| 707 | double rounding = (max > 0) ? base10 : -base10;
|
---|
| 708 | while (rounding < max) rounding += base10;
|
---|
| 709 | return rounding;
|
---|
| 710 | }
|
---|
| 711 |
|
---|
| 712 | private ChartDashStyle ConvertLineStyle(DataRowVisualProperties.DataRowLineStyle dataRowLineStyle) {
|
---|
| 713 | switch (dataRowLineStyle) {
|
---|
| 714 | case DataRowVisualProperties.DataRowLineStyle.Dash:
|
---|
| 715 | return ChartDashStyle.Dash;
|
---|
| 716 | case DataRowVisualProperties.DataRowLineStyle.DashDot:
|
---|
| 717 | return ChartDashStyle.DashDot;
|
---|
| 718 | case DataRowVisualProperties.DataRowLineStyle.DashDotDot:
|
---|
| 719 | return ChartDashStyle.DashDotDot;
|
---|
| 720 | case DataRowVisualProperties.DataRowLineStyle.Dot:
|
---|
| 721 | return ChartDashStyle.Dot;
|
---|
| 722 | case DataRowVisualProperties.DataRowLineStyle.NotSet:
|
---|
| 723 | return ChartDashStyle.NotSet;
|
---|
| 724 | case DataRowVisualProperties.DataRowLineStyle.Solid:
|
---|
| 725 | return ChartDashStyle.Solid;
|
---|
| 726 | default:
|
---|
| 727 | return ChartDashStyle.NotSet;
|
---|
| 728 | }
|
---|
| 729 | }
|
---|
| 730 |
|
---|
| 731 | protected static bool IsInvalidValue(double x) {
|
---|
| 732 | return double.IsNaN(x) || x < (double)decimal.MinValue || x > (double)decimal.MaxValue;
|
---|
| 733 | }
|
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[15619] | 734 |
|
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| 735 | // workaround for performance problem as described in https://stackoverflow.com/questions/5744930/datapointcollection-clear-performance
|
---|
| 736 | public static void ClearPoints(DataPointCollection points) {
|
---|
| 737 | points.SuspendUpdates();
|
---|
| 738 | while (points.Count > 0)
|
---|
| 739 | points.RemoveAt(points.Count - 1);
|
---|
| 740 | points.ResumeUpdates();
|
---|
| 741 | }
|
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[14449] | 742 | #endregion
|
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| 743 | }
|
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| 744 | }
|
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