[8280] | 1 | #region License Information
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[7829] | 2 | /* HeuristicLab
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[12012] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[7829] | 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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[8280] | 23 | using System.Collections.Generic;
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[7829] | 24 | using System.Drawing;
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[8280] | 25 | using System.Linq;
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[7829] | 26 | using System.Windows.Forms;
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[8280] | 27 | using System.Windows.Forms.DataVisualization.Charting;
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[7829] | 28 | using HeuristicLab.Collections;
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[8280] | 29 | using HeuristicLab.Common;
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[7829] | 30 | using HeuristicLab.Core.Views;
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| 31 | using HeuristicLab.MainForm;
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| 32 |
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| 33 | namespace HeuristicLab.Analysis.Views {
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| 34 | [View("ScatterPlot View")]
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| 35 | [Content(typeof(ScatterPlot), true)]
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[8907] | 36 | public partial class ScatterPlotView : NamedItemView, IConfigureableView {
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[8280] | 37 | protected List<Series> invisibleSeries;
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| 38 | protected Dictionary<IObservableList<Point2D<double>>, ScatterPlotDataRow> pointsRowsTable;
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[12689] | 39 | private double xMin, xMax, yMin, yMax;
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[8280] | 40 |
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[7829] | 41 | public new ScatterPlot Content {
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| 42 | get { return (ScatterPlot)base.Content; }
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| 43 | set { base.Content = value; }
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| 44 | }
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| 45 |
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| 46 | public ScatterPlotView() {
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| 47 | InitializeComponent();
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[8280] | 48 | pointsRowsTable = new Dictionary<IObservableList<Point2D<double>>, ScatterPlotDataRow>();
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| 49 | invisibleSeries = new List<Series>();
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[7829] | 50 | chart.CustomizeAllChartAreas();
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[8280] | 51 | chart.ChartAreas[0].CursorX.Interval = 1;
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[7829] | 52 | }
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| 53 |
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[8280] | 54 | #region Event Handler Registration
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[7829] | 55 | protected override void DeregisterContentEvents() {
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[8280] | 56 | foreach (ScatterPlotDataRow row in Content.Rows)
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| 57 | DeregisterScatterPlotDataRowEvents(row);
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| 58 | Content.VisualPropertiesChanged -= new EventHandler(Content_VisualPropertiesChanged);
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| 59 | Content.Rows.ItemsAdded -= new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsAdded);
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| 60 | Content.Rows.ItemsRemoved -= new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsRemoved);
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| 61 | Content.Rows.ItemsReplaced -= new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsReplaced);
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| 62 | Content.Rows.CollectionReset -= new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_CollectionReset);
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[7829] | 63 | base.DeregisterContentEvents();
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| 64 | }
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| 65 | protected override void RegisterContentEvents() {
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| 66 | base.RegisterContentEvents();
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[8280] | 67 | Content.VisualPropertiesChanged += new EventHandler(Content_VisualPropertiesChanged);
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| 68 | Content.Rows.ItemsAdded += new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsAdded);
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| 69 | Content.Rows.ItemsRemoved += new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsRemoved);
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| 70 | Content.Rows.ItemsReplaced += new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsReplaced);
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| 71 | Content.Rows.CollectionReset += new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_CollectionReset);
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[7829] | 72 | }
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| 73 |
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[8280] | 74 | protected virtual void RegisterScatterPlotDataRowEvents(ScatterPlotDataRow row) {
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| 75 | row.NameChanged += new EventHandler(Row_NameChanged);
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| 76 | row.VisualPropertiesChanged += new EventHandler(Row_VisualPropertiesChanged);
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| 77 | pointsRowsTable.Add(row.Points, row);
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| 78 | row.Points.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsAdded);
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| 79 | row.Points.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsRemoved);
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| 80 | row.Points.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsReplaced);
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| 81 | row.Points.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_CollectionReset);
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[7829] | 82 | }
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[8280] | 83 | protected virtual void DeregisterScatterPlotDataRowEvents(ScatterPlotDataRow row) {
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| 84 | row.Points.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsAdded);
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| 85 | row.Points.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsRemoved);
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| 86 | row.Points.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsReplaced);
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| 87 | row.Points.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_CollectionReset);
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| 88 | pointsRowsTable.Remove(row.Points);
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| 89 | row.VisualPropertiesChanged -= new EventHandler(Row_VisualPropertiesChanged);
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| 90 | row.NameChanged -= new EventHandler(Row_NameChanged);
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| 91 | }
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| 92 | #endregion
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[7829] | 93 |
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| 94 | protected override void OnContentChanged() {
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| 95 | base.OnContentChanged();
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[8280] | 96 | invisibleSeries.Clear();
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| 97 | chart.Titles[0].Text = string.Empty;
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| 98 | chart.ChartAreas[0].AxisX.Title = string.Empty;
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| 99 | chart.ChartAreas[0].AxisY.Title = string.Empty;
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| 100 | chart.Series.Clear();
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[7829] | 101 | if (Content != null) {
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[8280] | 102 | chart.Titles[0].Text = Content.Name;
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| 103 | AddScatterPlotDataRows(Content.Rows);
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| 104 | ConfigureChartArea(chart.ChartAreas[0]);
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[12689] | 105 | RecalculateMinMaxPointValues();
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[8280] | 106 | RecalculateAxesScale(chart.ChartAreas[0]);
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[7829] | 107 | }
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| 108 | }
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| 109 |
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[8280] | 110 | protected override void SetEnabledStateOfControls() {
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| 111 | base.SetEnabledStateOfControls();
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| 112 | chart.Enabled = Content != null;
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[7829] | 113 | }
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| 114 |
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[8907] | 115 | public void ShowConfiguration() {
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| 116 | if (Content != null) {
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| 117 | using (ScatterPlotVisualPropertiesDialog dialog = new ScatterPlotVisualPropertiesDialog(Content)) {
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| 118 | dialog.ShowDialog(this);
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| 119 | }
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| 120 | } else MessageBox.Show("Nothing to configure.");
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| 121 | }
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| 122 |
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[8280] | 123 | protected virtual void AddScatterPlotDataRows(IEnumerable<ScatterPlotDataRow> rows) {
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| 124 | foreach (var row in rows) {
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| 125 | RegisterScatterPlotDataRowEvents(row);
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| 126 | Series series = new Series(row.Name);
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| 127 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
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| 128 | else series.LegendText = row.Name;
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| 129 | ConfigureSeries(series, row);
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| 130 | FillSeriesWithRowValues(series, row);
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| 131 | chart.Series.Add(series);
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| 132 | }
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| 133 | ConfigureChartArea(chart.ChartAreas[0]);
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[12689] | 134 | RecalculateMinMaxPointValues();
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[8280] | 135 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 136 | UpdateYCursorInterval();
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| 137 | }
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| 138 |
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| 139 | protected virtual void RemoveScatterPlotDataRows(IEnumerable<ScatterPlotDataRow> rows) {
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| 140 | foreach (var row in rows) {
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| 141 | DeregisterScatterPlotDataRowEvents(row);
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| 142 | Series series = chart.Series[row.Name];
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| 143 | chart.Series.Remove(series);
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| 144 | if (invisibleSeries.Contains(series))
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| 145 | invisibleSeries.Remove(series);
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| 146 | }
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[12689] | 147 | RecalculateMinMaxPointValues();
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[8280] | 148 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 149 | }
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| 150 |
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| 151 | private void ConfigureSeries(Series series, ScatterPlotDataRow row) {
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| 152 | series.BorderWidth = 1;
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| 153 | series.BorderDashStyle = ChartDashStyle.Solid;
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| 154 | series.BorderColor = Color.Empty;
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| 155 |
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| 156 | if (row.VisualProperties.Color != Color.Empty)
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| 157 | series.Color = row.VisualProperties.Color;
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| 158 | else series.Color = Color.Empty;
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| 159 | series.IsVisibleInLegend = row.VisualProperties.IsVisibleInLegend;
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| 160 | series.ChartType = SeriesChartType.FastPoint;
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| 161 | series.MarkerSize = row.VisualProperties.PointSize;
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| 162 | series.MarkerStyle = ConvertPointStyle(row.VisualProperties.PointStyle);
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| 163 | series.XAxisType = AxisType.Primary;
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| 164 | series.YAxisType = AxisType.Primary;
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| 165 |
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| 166 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
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| 167 | else series.LegendText = row.Name;
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| 168 |
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| 169 | string xAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.XAxisTitle)
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| 170 | ? "X"
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| 171 | : Content.VisualProperties.XAxisTitle;
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| 172 | string yAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.YAxisTitle)
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| 173 | ? "Y"
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| 174 | : Content.VisualProperties.YAxisTitle;
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| 175 | series.ToolTip =
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| 176 | series.LegendText + Environment.NewLine +
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| 177 | xAxisTitle + " = " + "#VALX," + Environment.NewLine +
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| 178 | yAxisTitle + " = " + "#VAL";
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| 179 | }
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| 180 |
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| 181 | private void ConfigureChartArea(ChartArea area) {
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| 182 | if (Content.VisualProperties.TitleFont != null) chart.Titles[0].Font = Content.VisualProperties.TitleFont;
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| 183 | if (!Content.VisualProperties.TitleColor.IsEmpty) chart.Titles[0].ForeColor = Content.VisualProperties.TitleColor;
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| 184 | chart.Titles[0].Text = Content.VisualProperties.Title;
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| 185 |
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| 186 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisX.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 187 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisX.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 188 | area.AxisX.Title = Content.VisualProperties.XAxisTitle;
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[8282] | 189 | area.AxisX.MajorGrid.Enabled = Content.VisualProperties.XAxisGrid;
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[8280] | 190 |
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| 191 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisY.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 192 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisY.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 193 | area.AxisY.Title = Content.VisualProperties.YAxisTitle;
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[8282] | 194 | area.AxisY.MajorGrid.Enabled = Content.VisualProperties.YAxisGrid;
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[8280] | 195 | }
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| 196 |
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| 197 | private void RecalculateAxesScale(ChartArea area) {
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[12689] | 198 | area.AxisX.Minimum = CalculateMinBound(xMin);
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| 199 | area.AxisX.Maximum = CalculateMaxBound(xMax);
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| 200 | if (area.AxisX.Minimum == area.AxisX.Maximum) {
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| 201 | area.AxisX.Minimum = xMin - 0.5;
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| 202 | area.AxisX.Maximum = xMax + 0.5;
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[8280] | 203 | }
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[12689] | 204 | area.AxisY.Minimum = CalculateMinBound(yMin);
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| 205 | area.AxisY.Maximum = CalculateMaxBound(yMax);
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| 206 | if (area.AxisY.Minimum == area.AxisY.Maximum) {
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| 207 | area.AxisY.Minimum = yMin - 0.5;
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| 208 | area.AxisY.Maximum = yMax + 0.5;
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| 209 | }
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| 210 | if (xMax - xMin > 0) area.CursorX.Interval = Math.Pow(10, Math.Floor(Math.Log10(area.AxisX.Maximum - area.AxisX.Minimum) - 3));
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| 211 | else area.CursorX.Interval = 1;
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[8280] | 212 | area.AxisX.IsMarginVisible = false;
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| 213 |
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| 214 | if (!Content.VisualProperties.XAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.XAxisMinimumFixedValue)) area.AxisX.Minimum = Content.VisualProperties.XAxisMinimumFixedValue;
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| 215 | if (!Content.VisualProperties.XAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.XAxisMaximumFixedValue)) area.AxisX.Maximum = Content.VisualProperties.XAxisMaximumFixedValue;
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| 216 | if (!Content.VisualProperties.YAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.YAxisMinimumFixedValue)) area.AxisY.Minimum = Content.VisualProperties.YAxisMinimumFixedValue;
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| 217 | if (!Content.VisualProperties.YAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.YAxisMaximumFixedValue)) area.AxisY.Maximum = Content.VisualProperties.YAxisMaximumFixedValue;
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| 218 | }
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| 219 |
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[12689] | 220 | private static double CalculateMinBound(double min) {
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| 221 | if (min == 0) return 0;
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| 222 | var scale = Math.Pow(10, Math.Floor(Math.Log10(Math.Abs(min))));
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| 223 | return scale * (Math.Floor(min / scale));
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| 224 | }
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| 225 |
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| 226 | private static double CalculateMaxBound(double max) {
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| 227 | if (max == 0) return 0;
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| 228 | var scale = Math.Pow(10, Math.Floor(Math.Log10(Math.Abs(max))));
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| 229 | return scale * (Math.Ceiling(max / scale));
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| 230 | }
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| 231 |
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[8280] | 232 | protected virtual void UpdateYCursorInterval() {
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| 233 | double interestingValuesRange = (
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| 234 | from series in chart.Series
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| 235 | where series.Enabled
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| 236 | let values = (from point in series.Points
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| 237 | where !point.IsEmpty
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| 238 | select point.YValues[0]).DefaultIfEmpty(1.0)
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| 239 | let range = values.Max() - values.Min()
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| 240 | where range > 0.0
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| 241 | select range
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| 242 | ).DefaultIfEmpty(1.0).Min();
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| 243 |
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| 244 | double digits = (int)Math.Log10(interestingValuesRange) - 3;
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| 245 | double yZoomInterval = Math.Pow(10, digits);
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| 246 | this.chart.ChartAreas[0].CursorY.Interval = yZoomInterval;
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| 247 | }
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| 248 |
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| 249 | #region Event Handlers
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| 250 | #region Content Event Handlers
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| 251 | protected override void Content_NameChanged(object sender, EventArgs e) {
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| 252 | if (InvokeRequired)
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| 253 | Invoke(new EventHandler(Content_NameChanged), sender, e);
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| 254 | else {
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[7829] | 255 | chart.Titles[0].Text = Content.Name;
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[8280] | 256 | base.Content_NameChanged(sender, e);
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[7829] | 257 | }
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| 258 | }
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[8280] | 259 | private void Content_VisualPropertiesChanged(object sender, EventArgs e) {
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| 260 | if (InvokeRequired)
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| 261 | Invoke(new EventHandler(Content_VisualPropertiesChanged), sender, e);
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| 262 | else {
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| 263 | ConfigureChartArea(chart.ChartAreas[0]);
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| 264 | RecalculateAxesScale(chart.ChartAreas[0]); // axes min/max could have changed
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| 265 | }
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| 266 | }
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| 267 | #endregion
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| 268 | #region Rows Event Handlers
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| 269 | private void Rows_ItemsAdded(object sender, CollectionItemsChangedEventArgs<ScatterPlotDataRow> e) {
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| 270 | if (InvokeRequired)
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| 271 | Invoke(new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsAdded), sender, e);
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| 272 | else {
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| 273 | AddScatterPlotDataRows(e.Items);
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| 274 | }
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| 275 | }
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| 276 | private void Rows_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<ScatterPlotDataRow> e) {
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| 277 | if (InvokeRequired)
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| 278 | Invoke(new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsRemoved), sender, e);
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| 279 | else {
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| 280 | RemoveScatterPlotDataRows(e.Items);
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| 281 | }
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| 282 | }
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| 283 | private void Rows_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<ScatterPlotDataRow> e) {
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| 284 | if (InvokeRequired)
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| 285 | Invoke(new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsReplaced), sender, e);
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| 286 | else {
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| 287 | RemoveScatterPlotDataRows(e.OldItems);
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| 288 | AddScatterPlotDataRows(e.Items);
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| 289 | }
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| 290 | }
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| 291 | private void Rows_CollectionReset(object sender, CollectionItemsChangedEventArgs<ScatterPlotDataRow> e) {
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| 292 | if (InvokeRequired)
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| 293 | Invoke(new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_CollectionReset), sender, e);
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| 294 | else {
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| 295 | RemoveScatterPlotDataRows(e.OldItems);
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| 296 | AddScatterPlotDataRows(e.Items);
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| 297 | }
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| 298 | }
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| 299 | #endregion
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| 300 | #region Row Event Handlers
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| 301 | private void Row_VisualPropertiesChanged(object sender, EventArgs e) {
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| 302 | if (InvokeRequired)
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| 303 | Invoke(new EventHandler(Row_VisualPropertiesChanged), sender, e);
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| 304 | else {
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| 305 | ScatterPlotDataRow row = (ScatterPlotDataRow)sender;
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| 306 | Series series = chart.Series[row.Name];
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| 307 | series.Points.Clear();
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| 308 | ConfigureSeries(series, row);
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| 309 | FillSeriesWithRowValues(series, row);
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[12689] | 310 | RecalculateMinMaxPointValues();
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[8280] | 311 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 312 | }
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| 313 | }
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| 314 | private void Row_NameChanged(object sender, EventArgs e) {
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| 315 | if (InvokeRequired)
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| 316 | Invoke(new EventHandler(Row_NameChanged), sender, e);
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| 317 | else {
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| 318 | ScatterPlotDataRow row = (ScatterPlotDataRow)sender;
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| 319 | chart.Series[row.Name].Name = row.Name;
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| 320 | }
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| 321 | }
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| 322 | #endregion
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| 323 | #region Points Event Handlers
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| 324 | private void Points_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<Point2D<double>>> e) {
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| 325 | if (InvokeRequired)
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| 326 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsAdded), sender, e);
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| 327 | else {
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| 328 | ScatterPlotDataRow row = null;
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| 329 | pointsRowsTable.TryGetValue((IObservableList<Point2D<double>>)sender, out row);
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| 330 | if (row != null) {
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| 331 | Series rowSeries = chart.Series[row.Name];
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| 332 | if (!invisibleSeries.Contains(rowSeries)) {
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| 333 | rowSeries.Points.Clear();
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| 334 | FillSeriesWithRowValues(rowSeries, row);
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[12689] | 335 | RecalculateMinMaxPointValues();
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[8280] | 336 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 337 | UpdateYCursorInterval();
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| 338 | }
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| 339 | }
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| 340 | }
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| 341 | }
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| 342 | private void Points_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<Point2D<double>>> e) {
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| 343 | if (InvokeRequired)
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| 344 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsRemoved), sender, e);
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| 345 | else {
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| 346 | ScatterPlotDataRow row = null;
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| 347 | pointsRowsTable.TryGetValue((IObservableList<Point2D<double>>)sender, out row);
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| 348 | if (row != null) {
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| 349 | Series rowSeries = chart.Series[row.Name];
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| 350 | if (!invisibleSeries.Contains(rowSeries)) {
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| 351 | rowSeries.Points.Clear();
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| 352 | FillSeriesWithRowValues(rowSeries, row);
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[12689] | 353 | RecalculateMinMaxPointValues();
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[8280] | 354 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 355 | UpdateYCursorInterval();
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| 356 | }
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| 357 | }
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| 358 | }
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| 359 | }
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| 360 | private void Points_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<Point2D<double>>> e) {
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| 361 | if (InvokeRequired)
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| 362 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsReplaced), sender, e);
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| 363 | else {
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| 364 | ScatterPlotDataRow row = null;
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| 365 | pointsRowsTable.TryGetValue((IObservableList<Point2D<double>>)sender, out row);
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| 366 | if (row != null) {
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| 367 | Series rowSeries = chart.Series[row.Name];
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| 368 | if (!invisibleSeries.Contains(rowSeries)) {
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| 369 | rowSeries.Points.Clear();
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| 370 | FillSeriesWithRowValues(rowSeries, row);
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[12689] | 371 | RecalculateMinMaxPointValues();
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[8280] | 372 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 373 | UpdateYCursorInterval();
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| 374 | }
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| 375 | }
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| 376 | }
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| 377 | }
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| 378 | private void Points_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<Point2D<double>>> e) {
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| 379 | if (InvokeRequired)
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| 380 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_CollectionReset), sender, e);
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| 381 | else {
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| 382 | ScatterPlotDataRow row = null;
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| 383 | pointsRowsTable.TryGetValue((IObservableList<Point2D<double>>)sender, out row);
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| 384 | if (row != null) {
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| 385 | Series rowSeries = chart.Series[row.Name];
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| 386 | if (!invisibleSeries.Contains(rowSeries)) {
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| 387 | rowSeries.Points.Clear();
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| 388 | FillSeriesWithRowValues(rowSeries, row);
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[12689] | 389 | RecalculateMinMaxPointValues();
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[8280] | 390 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 391 | UpdateYCursorInterval();
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| 392 | }
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| 393 | }
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| 394 | }
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| 395 | }
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| 396 | #endregion
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| 397 | #endregion
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[7829] | 398 |
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[8280] | 399 | #region Chart Event Handlers
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| 400 | private void chart_MouseDown(object sender, MouseEventArgs e) {
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| 401 | HitTestResult result = chart.HitTest(e.X, e.Y);
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| 402 | if (result.ChartElementType == ChartElementType.LegendItem) {
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| 403 | ToggleSeriesVisible(result.Series);
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[7829] | 404 | }
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| 405 | }
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[8280] | 406 | private void chart_MouseMove(object sender, MouseEventArgs e) {
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| 407 | HitTestResult result = chart.HitTest(e.X, e.Y);
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| 408 | if (result.ChartElementType == ChartElementType.LegendItem)
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| 409 | this.Cursor = Cursors.Hand;
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| 410 | else
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| 411 | this.Cursor = Cursors.Default;
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| 412 | }
|
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| 413 | private void chart_CustomizeLegend(object sender, CustomizeLegendEventArgs e) {
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| 414 | foreach (LegendItem legendItem in e.LegendItems) {
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| 415 | var series = chart.Series[legendItem.SeriesName];
|
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| 416 | if (series != null) {
|
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| 417 | bool seriesIsInvisible = invisibleSeries.Contains(series);
|
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| 418 | foreach (LegendCell cell in legendItem.Cells) {
|
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| 419 | cell.ForeColor = seriesIsInvisible ? Color.Gray : Color.Black;
|
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| 420 | }
|
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| 421 | }
|
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| 422 | }
|
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| 423 | }
|
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| 424 | #endregion
|
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[7829] | 425 |
|
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[8280] | 426 | private void ToggleSeriesVisible(Series series) {
|
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| 427 | if (!invisibleSeries.Contains(series)) {
|
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| 428 | series.Points.Clear();
|
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| 429 | invisibleSeries.Add(series);
|
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[12689] | 430 | RecalculateMinMaxPointValues();
|
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[7829] | 431 | } else {
|
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[8280] | 432 | invisibleSeries.Remove(series);
|
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| 433 | if (Content != null) {
|
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| 434 |
|
---|
| 435 | var row = (from r in Content.Rows
|
---|
| 436 | where r.Name == series.Name
|
---|
| 437 | select r).Single();
|
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| 438 | FillSeriesWithRowValues(series, row);
|
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[12689] | 439 | RecalculateMinMaxPointValues();
|
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[8280] | 440 | this.chart.Legends[series.Legend].ForeColor = Color.Black;
|
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| 441 | RecalculateAxesScale(chart.ChartAreas[0]);
|
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| 442 | UpdateYCursorInterval();
|
---|
[7829] | 443 | }
|
---|
| 444 | }
|
---|
| 445 | }
|
---|
[8280] | 446 |
|
---|
[12689] | 447 | private void RecalculateMinMaxPointValues() {
|
---|
| 448 | yMin = xMin = double.MaxValue;
|
---|
| 449 | yMax = xMax = double.MinValue;
|
---|
| 450 | foreach (var s in chart.Series.Where(x => x.Enabled)) {
|
---|
| 451 | foreach (var p in s.Points) {
|
---|
| 452 | double x = p.XValue, y = p.YValues[0];
|
---|
| 453 | if (xMin > x) xMin = x;
|
---|
| 454 | if (xMax < x) xMax = x;
|
---|
| 455 | if (yMin > y) yMin = y;
|
---|
| 456 | if (yMax < y) yMax = y;
|
---|
| 457 | }
|
---|
| 458 | }
|
---|
| 459 | }
|
---|
| 460 |
|
---|
[8280] | 461 | private void FillSeriesWithRowValues(Series series, ScatterPlotDataRow row) {
|
---|
| 462 | for (int i = 0; i < row.Points.Count; i++) {
|
---|
| 463 | var value = row.Points[i];
|
---|
| 464 | DataPoint point = new DataPoint();
|
---|
| 465 | if (IsInvalidValue(value.X) || IsInvalidValue(value.Y))
|
---|
| 466 | point.IsEmpty = true;
|
---|
| 467 | else {
|
---|
| 468 | point.XValue = value.X;
|
---|
| 469 | point.YValues = new double[] { value.Y };
|
---|
| 470 | }
|
---|
| 471 | series.Points.Add(point);
|
---|
| 472 | }
|
---|
| 473 | }
|
---|
| 474 |
|
---|
| 475 | #region Helpers
|
---|
| 476 | private MarkerStyle ConvertPointStyle(ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle pointStyle) {
|
---|
| 477 | switch (pointStyle) {
|
---|
| 478 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Circle:
|
---|
| 479 | return MarkerStyle.Circle;
|
---|
| 480 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Cross:
|
---|
| 481 | return MarkerStyle.Cross;
|
---|
| 482 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Diamond:
|
---|
| 483 | return MarkerStyle.Diamond;
|
---|
| 484 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Square:
|
---|
| 485 | return MarkerStyle.Square;
|
---|
| 486 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Star4:
|
---|
| 487 | return MarkerStyle.Star4;
|
---|
| 488 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Star5:
|
---|
| 489 | return MarkerStyle.Star5;
|
---|
| 490 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Star6:
|
---|
| 491 | return MarkerStyle.Star6;
|
---|
| 492 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Star10:
|
---|
| 493 | return MarkerStyle.Star10;
|
---|
| 494 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Triangle:
|
---|
| 495 | return MarkerStyle.Triangle;
|
---|
| 496 | default:
|
---|
| 497 | return MarkerStyle.None;
|
---|
| 498 | }
|
---|
| 499 | }
|
---|
| 500 |
|
---|
| 501 | protected static bool IsInvalidValue(double x) {
|
---|
| 502 | return double.IsNaN(x) || x < (double)decimal.MinValue || x > (double)decimal.MaxValue;
|
---|
| 503 | }
|
---|
| 504 | #endregion
|
---|
[7829] | 505 | }
|
---|
| 506 | }
|
---|