[2908] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[7259] | 3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2908] | 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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[4068] | 23 | using System.Collections.Generic;
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| 24 | using System.Drawing;
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[3703] | 25 | using System.Linq;
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[4068] | 26 | using System.Windows.Forms;
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[2908] | 27 | using System.Windows.Forms.DataVisualization.Charting;
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| 28 | using HeuristicLab.Collections;
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| 29 | using HeuristicLab.Core.Views;
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| 30 | using HeuristicLab.MainForm;
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| 31 |
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| 32 | namespace HeuristicLab.Analysis.Views {
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[2917] | 33 | [View("DataTable View")]
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[2908] | 34 | [Content(typeof(DataTable), true)]
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[6342] | 35 | public partial class DataTableView : NamedItemView, IConfigureableView {
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[5097] | 36 | protected List<Series> invisibleSeries;
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| 37 | protected Dictionary<IObservableList<double>, DataRow> valuesRowsTable;
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[7244] | 38 |
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[2908] | 39 | public new DataTable Content {
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| 40 | get { return (DataTable)base.Content; }
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| 41 | set { base.Content = value; }
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| 42 | }
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| 43 |
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| 44 | public DataTableView() {
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| 45 | InitializeComponent();
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| 46 | valuesRowsTable = new Dictionary<IObservableList<double>, DataRow>();
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[3703] | 47 | invisibleSeries = new List<Series>();
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[4636] | 48 | chart.CustomizeAllChartAreas();
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| 49 | chart.ChartAreas[0].CursorX.Interval = 1;
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[2908] | 50 | }
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| 51 |
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[6342] | 52 | #region Event Handler Registration
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[2908] | 53 | protected override void DeregisterContentEvents() {
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| 54 | foreach (DataRow row in Content.Rows)
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| 55 | DeregisterDataRowEvents(row);
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[4870] | 56 | Content.VisualPropertiesChanged -= new EventHandler(Content_VisualPropertiesChanged);
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[2908] | 57 | Content.Rows.ItemsAdded -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded);
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| 58 | Content.Rows.ItemsRemoved -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved);
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| 59 | Content.Rows.ItemsReplaced -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced);
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| 60 | Content.Rows.CollectionReset -= new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset);
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| 61 | base.DeregisterContentEvents();
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| 62 | }
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| 63 | protected override void RegisterContentEvents() {
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| 64 | base.RegisterContentEvents();
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[4870] | 65 | Content.VisualPropertiesChanged += new EventHandler(Content_VisualPropertiesChanged);
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[2908] | 66 | Content.Rows.ItemsAdded += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded);
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| 67 | Content.Rows.ItemsRemoved += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved);
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| 68 | Content.Rows.ItemsReplaced += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced);
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| 69 | Content.Rows.CollectionReset += new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset);
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| 70 | foreach (DataRow row in Content.Rows)
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| 71 | RegisterDataRowEvents(row);
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| 72 | }
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| 73 |
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[6342] | 74 | protected virtual void RegisterDataRowEvents(DataRow 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 | valuesRowsTable.Add(row.Values, row);
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| 78 | row.Values.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded);
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| 79 | row.Values.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved);
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| 80 | row.Values.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced);
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| 81 | row.Values.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved);
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| 82 | row.Values.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset);
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| 83 | }
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| 84 | protected virtual void DeregisterDataRowEvents(DataRow row) {
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| 85 | row.Values.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded);
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| 86 | row.Values.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved);
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| 87 | row.Values.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced);
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| 88 | row.Values.ItemsMoved -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved);
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| 89 | row.Values.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset);
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| 90 | valuesRowsTable.Remove(row.Values);
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| 91 | row.VisualPropertiesChanged -= new EventHandler(Row_VisualPropertiesChanged);
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| 92 | row.NameChanged -= new EventHandler(Row_NameChanged);
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| 93 | }
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| 94 | #endregion
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| 95 |
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[2908] | 96 | protected override void OnContentChanged() {
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| 97 | base.OnContentChanged();
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[3703] | 98 | invisibleSeries.Clear();
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[4637] | 99 | chart.Titles[0].Text = string.Empty;
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[4870] | 100 | chart.ChartAreas[0].AxisX.Title = string.Empty;
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| 101 | chart.ChartAreas[0].AxisY.Title = string.Empty;
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| 102 | chart.ChartAreas[0].AxisY2.Title = string.Empty;
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[2908] | 103 | chart.Series.Clear();
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[3454] | 104 | if (Content != null) {
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[4637] | 105 | chart.Titles[0].Text = Content.Name;
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[2908] | 106 | foreach (DataRow row in Content.Rows)
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| 107 | AddDataRow(row);
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[6342] | 108 | ConfigureChartArea(chart.ChartAreas[0]);
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| 109 | RecalculateAxesScale(chart.ChartAreas[0]);
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[2908] | 110 | }
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| 111 | }
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| 112 |
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[3904] | 113 | protected override void SetEnabledStateOfControls() {
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| 114 | base.SetEnabledStateOfControls();
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[3454] | 115 | chart.Enabled = Content != null;
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| 116 | }
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| 117 |
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[6342] | 118 | public void ShowConfiguration() {
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| 119 | if (Content != null) {
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[7244] | 120 | using (DataTableVisualPropertiesDialog dialog = new DataTableVisualPropertiesDialog(Content)) {
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| 121 | dialog.ShowDialog(this);
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| 122 | }
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[6342] | 123 | } else MessageBox.Show("Nothing to configure.");
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| 124 | }
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[5097] | 125 |
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| 126 | protected virtual void AddDataRow(DataRow row) {
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[2908] | 127 | Series series = new Series(row.Name);
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[6628] | 128 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
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| 129 | else series.LegendText = row.Name;
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[6342] | 130 | ConfigureSeries(series, row);
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| 131 | FillSeriesWithRowValues(series, row);
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| 132 |
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| 133 | chart.Series.Add(series);
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| 134 | ConfigureChartArea(chart.ChartAreas[0]);
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| 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 | private void ConfigureSeries(Series series, DataRow row) {
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| 140 | RemoveCustomPropertyIfExists(series, "PointWidth");
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| 141 | series.BorderWidth = 1;
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| 142 | series.BorderDashStyle = ChartDashStyle.Solid;
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| 143 | series.BorderColor = Color.Empty;
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| 144 |
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| 145 | if (row.VisualProperties.Color != Color.Empty)
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| 146 | series.Color = row.VisualProperties.Color;
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| 147 | else series.Color = Color.Empty;
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[7126] | 148 | series.IsVisibleInLegend = row.VisualProperties.IsVisibleInLegend;
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[6342] | 149 |
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[4644] | 150 | switch (row.VisualProperties.ChartType) {
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| 151 | case DataRowVisualProperties.DataRowChartType.Line:
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| 152 | series.ChartType = SeriesChartType.FastLine;
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[6342] | 153 | series.BorderWidth = row.VisualProperties.LineWidth;
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| 154 | series.BorderDashStyle = ConvertLineStyle(row.VisualProperties.LineStyle);
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[4644] | 155 | break;
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| 156 | case DataRowVisualProperties.DataRowChartType.Bars:
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[6342] | 157 | // Bar is incompatible with anything but Bar and StackedBar*
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| 158 | if (!chart.Series.Any(x => x.ChartType != SeriesChartType.Bar && x.ChartType != SeriesChartType.StackedBar && x.ChartType != SeriesChartType.StackedBar100))
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| 159 | series.ChartType = SeriesChartType.Bar;
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| 160 | else {
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| 161 | series.ChartType = SeriesChartType.FastPoint; //default
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| 162 | row.VisualProperties.ChartType = DataRowVisualProperties.DataRowChartType.Points;
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| 163 | }
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[4644] | 164 | break;
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| 165 | case DataRowVisualProperties.DataRowChartType.Columns:
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| 166 | series.ChartType = SeriesChartType.Column;
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| 167 | break;
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| 168 | case DataRowVisualProperties.DataRowChartType.Points:
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| 169 | series.ChartType = SeriesChartType.FastPoint;
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| 170 | break;
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[6342] | 171 | case DataRowVisualProperties.DataRowChartType.Histogram:
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| 172 | series.ChartType = SeriesChartType.Column;
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| 173 | series.SetCustomProperty("PointWidth", "1");
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| 174 | if (!series.Color.IsEmpty && series.Color.GetBrightness() < 0.25)
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| 175 | series.BorderColor = Color.White;
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| 176 | else series.BorderColor = Color.Black;
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| 177 | break;
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[7297] | 178 | case DataRowVisualProperties.DataRowChartType.StepLine:
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| 179 | series.ChartType = SeriesChartType.StepLine;
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| 180 | series.BorderWidth = row.VisualProperties.LineWidth;
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| 181 | series.BorderDashStyle = ConvertLineStyle(row.VisualProperties.LineStyle);
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| 182 | break;
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[4644] | 183 | default:
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| 184 | series.ChartType = SeriesChartType.FastPoint;
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| 185 | break;
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| 186 | }
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| 187 | series.YAxisType = row.VisualProperties.SecondYAxis ? AxisType.Secondary : AxisType.Primary;
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[6342] | 188 | series.XAxisType = row.VisualProperties.SecondXAxis ? AxisType.Secondary : AxisType.Primary;
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[6628] | 189 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
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| 190 | else series.LegendText = row.Name;
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| 191 | series.ToolTip = series.LegendText + " X = #INDEX, Y = #VAL";
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[2908] | 192 | }
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[3703] | 193 |
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[6342] | 194 | private void ConfigureChartArea(ChartArea area) {
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| 195 | if (Content.VisualProperties.TitleFont != null) chart.Titles[0].Font = Content.VisualProperties.TitleFont;
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| 196 | if (!Content.VisualProperties.TitleColor.IsEmpty) chart.Titles[0].ForeColor = Content.VisualProperties.TitleColor;
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[7224] | 197 | chart.Titles[0].Text = Content.VisualProperties.Title;
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[5097] | 198 |
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[6342] | 199 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisX.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 200 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisX.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 201 | area.AxisX.Title = Content.VisualProperties.XAxisTitle;
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| 202 |
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| 203 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisX2.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 204 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisX2.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 205 | area.AxisX2.Title = Content.VisualProperties.SecondXAxisTitle;
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| 206 |
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| 207 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisY.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 208 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisY.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 209 | area.AxisY.Title = Content.VisualProperties.YAxisTitle;
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| 210 |
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| 211 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisY2.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 212 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisY2.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 213 | area.AxisY2.Title = Content.VisualProperties.SecondYAxisTitle;
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| 214 | }
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| 215 |
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| 216 | private void RecalculateAxesScale(ChartArea area) {
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| 217 | // Reset the axes bounds so that RecalculateAxesScale() will assign new bounds
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| 218 | foreach (Axis a in area.Axes) {
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| 219 | a.Minimum = double.NaN;
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| 220 | a.Maximum = double.NaN;
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| 221 | }
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| 222 | area.RecalculateAxesScale();
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| 223 | area.AxisX.IsMarginVisible = false;
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| 224 | area.AxisX2.IsMarginVisible = false;
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| 225 |
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| 226 | if (!Content.VisualProperties.XAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.XAxisMinimumFixedValue)) area.AxisX.Minimum = Content.VisualProperties.XAxisMinimumFixedValue;
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| 227 | if (!Content.VisualProperties.XAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.XAxisMaximumFixedValue)) area.AxisX.Maximum = Content.VisualProperties.XAxisMaximumFixedValue;
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| 228 | if (!Content.VisualProperties.SecondXAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.SecondXAxisMinimumFixedValue)) area.AxisX2.Minimum = Content.VisualProperties.SecondXAxisMinimumFixedValue;
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| 229 | if (!Content.VisualProperties.SecondXAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.SecondXAxisMaximumFixedValue)) area.AxisX2.Maximum = Content.VisualProperties.SecondXAxisMaximumFixedValue;
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| 230 | if (!Content.VisualProperties.YAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.YAxisMinimumFixedValue)) area.AxisY.Minimum = Content.VisualProperties.YAxisMinimumFixedValue;
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| 231 | if (!Content.VisualProperties.YAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.YAxisMaximumFixedValue)) area.AxisY.Maximum = Content.VisualProperties.YAxisMaximumFixedValue;
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| 232 | if (!Content.VisualProperties.SecondYAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.SecondYAxisMinimumFixedValue)) area.AxisY2.Minimum = Content.VisualProperties.SecondYAxisMinimumFixedValue;
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| 233 | if (!Content.VisualProperties.SecondYAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.SecondYAxisMaximumFixedValue)) area.AxisY2.Maximum = Content.VisualProperties.SecondYAxisMaximumFixedValue;
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[6676] | 234 | if (area.AxisX.Minimum >= area.AxisX.Maximum) area.AxisX.Maximum = area.AxisX.Minimum + 1;
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| 235 | if (area.AxisX2.Minimum >= area.AxisX2.Maximum) area.AxisX2.Maximum = area.AxisX2.Minimum + 1;
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| 236 | if (area.AxisY.Minimum >= area.AxisY.Maximum) area.AxisY.Maximum = area.AxisY.Minimum + 1;
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| 237 | if (area.AxisY2.Minimum >= area.AxisY2.Maximum) area.AxisY2.Maximum = area.AxisY2.Minimum + 1;
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[6342] | 238 | }
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| 239 |
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[5097] | 240 | protected virtual void UpdateYCursorInterval() {
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[6342] | 241 | double interestingValuesRange = (
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| 242 | from series in chart.Series
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| 243 | where series.Enabled
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| 244 | let values = (from point in series.Points
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| 245 | where !point.IsEmpty
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| 246 | select point.YValues[0]).DefaultIfEmpty(1.0)
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| 247 | let range = values.Max() - values.Min()
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| 248 | where range > 0.0
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| 249 | select range
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| 250 | ).DefaultIfEmpty(1.0).Min();
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[3703] | 251 |
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| 252 | double digits = (int)Math.Log10(interestingValuesRange) - 3;
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| 253 | double yZoomInterval = Math.Pow(10, digits);
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| 254 | this.chart.ChartAreas[0].CursorY.Interval = yZoomInterval;
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| 255 | }
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| 256 |
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[5097] | 257 |
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| 258 | protected virtual void RemoveDataRow(DataRow row) {
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[2908] | 259 | Series series = chart.Series[row.Name];
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| 260 | chart.Series.Remove(series);
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[3703] | 261 | if (invisibleSeries.Contains(series))
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| 262 | invisibleSeries.Remove(series);
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[6342] | 263 | RecalculateAxesScale(chart.ChartAreas[0]);
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[2908] | 264 | }
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| 265 |
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[6342] | 266 | #region Event Handlers
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| 267 | #region Content Event Handlers
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[2908] | 268 | protected override void Content_NameChanged(object sender, EventArgs e) {
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| 269 | if (InvokeRequired)
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| 270 | Invoke(new EventHandler(Content_NameChanged), sender, e);
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| 271 | else {
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| 272 | chart.Titles[0].Text = Content.Name;
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| 273 | base.Content_NameChanged(sender, e);
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| 274 | }
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| 275 | }
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[4870] | 276 | private void Content_VisualPropertiesChanged(object sender, EventArgs e) {
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| 277 | if (InvokeRequired)
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| 278 | Invoke(new EventHandler(Content_VisualPropertiesChanged), sender, e);
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| 279 | else {
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[6342] | 280 | ConfigureChartArea(chart.ChartAreas[0]);
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| 281 | RecalculateAxesScale(chart.ChartAreas[0]); // axes min/max could have changed
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[4870] | 282 | }
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| 283 | }
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[6342] | 284 | #endregion
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| 285 | #region Rows Event Handlers
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[2908] | 286 | private void Rows_ItemsAdded(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
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| 287 | if (InvokeRequired)
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| 288 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded), sender, e);
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| 289 | else {
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| 290 | foreach (DataRow row in e.Items) {
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| 291 | AddDataRow(row);
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| 292 | RegisterDataRowEvents(row);
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| 293 | }
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| 294 | }
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| 295 | }
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| 296 | private void Rows_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
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| 297 | if (InvokeRequired)
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| 298 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved), sender, e);
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| 299 | else {
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| 300 | foreach (DataRow row in e.Items) {
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| 301 | DeregisterDataRowEvents(row);
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| 302 | RemoveDataRow(row);
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| 303 | }
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| 304 | }
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| 305 | }
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| 306 | private void Rows_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
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| 307 | if (InvokeRequired)
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| 308 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced), sender, e);
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| 309 | else {
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| 310 | foreach (DataRow row in e.OldItems) {
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| 311 | DeregisterDataRowEvents(row);
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| 312 | RemoveDataRow(row);
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| 313 | }
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| 314 | foreach (DataRow row in e.Items) {
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| 315 | AddDataRow(row);
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| 316 | RegisterDataRowEvents(row);
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| 317 | }
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| 318 | }
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| 319 | }
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| 320 | private void Rows_CollectionReset(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
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| 321 | if (InvokeRequired)
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| 322 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset), sender, e);
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| 323 | else {
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| 324 | foreach (DataRow row in e.OldItems) {
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| 325 | DeregisterDataRowEvents(row);
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| 326 | RemoveDataRow(row);
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| 327 | }
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| 328 | foreach (DataRow row in e.Items) {
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| 329 | AddDataRow(row);
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| 330 | RegisterDataRowEvents(row);
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| 331 | }
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| 332 | }
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| 333 | }
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[6342] | 334 | #endregion
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| 335 | #region Row Event Handlers
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[4644] | 336 | private void Row_VisualPropertiesChanged(object sender, EventArgs e) {
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| 337 | if (InvokeRequired)
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| 338 | Invoke(new EventHandler(Row_VisualPropertiesChanged), sender, e);
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| 339 | else {
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| 340 | DataRow row = (DataRow)sender;
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[6342] | 341 | Series series = chart.Series[row.Name];
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| 342 | series.Points.Clear();
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| 343 | ConfigureSeries(series, row);
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| 344 | FillSeriesWithRowValues(series, row);
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| 345 | RecalculateAxesScale(chart.ChartAreas[0]);
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[4644] | 346 | }
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| 347 | }
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[2908] | 348 | private void Row_NameChanged(object sender, EventArgs e) {
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| 349 | if (InvokeRequired)
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| 350 | Invoke(new EventHandler(Row_NameChanged), sender, e);
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| 351 | else {
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| 352 | DataRow row = (DataRow)sender;
|
---|
| 353 | chart.Series[row.Name].Name = row.Name;
|
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| 354 | }
|
---|
| 355 | }
|
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[6342] | 356 | #endregion
|
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| 357 | #region Values Event Handlers
|
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[2908] | 358 | private void Values_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 359 | if (InvokeRequired)
|
---|
| 360 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded), sender, e);
|
---|
| 361 | else {
|
---|
[3561] | 362 | DataRow row = null;
|
---|
| 363 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
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| 364 | if (row != null) {
|
---|
[3703] | 365 | Series rowSeries = chart.Series[row.Name];
|
---|
| 366 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
[4778] | 367 | rowSeries.Points.Clear();
|
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| 368 | FillSeriesWithRowValues(rowSeries, row);
|
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[6342] | 369 | RecalculateAxesScale(chart.ChartAreas[0]);
|
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[3703] | 370 | UpdateYCursorInterval();
|
---|
[3080] | 371 | }
|
---|
| 372 | }
|
---|
[2908] | 373 | }
|
---|
| 374 | }
|
---|
| 375 | private void Values_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 376 | if (InvokeRequired)
|
---|
| 377 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved), sender, e);
|
---|
| 378 | else {
|
---|
[3561] | 379 | DataRow row = null;
|
---|
| 380 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
| 381 | if (row != null) {
|
---|
[3703] | 382 | Series rowSeries = chart.Series[row.Name];
|
---|
| 383 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
[4778] | 384 | rowSeries.Points.Clear();
|
---|
| 385 | FillSeriesWithRowValues(rowSeries, row);
|
---|
[6342] | 386 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
[3703] | 387 | UpdateYCursorInterval();
|
---|
| 388 | }
|
---|
[3561] | 389 | }
|
---|
[2908] | 390 | }
|
---|
| 391 | }
|
---|
| 392 | private void Values_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 393 | if (InvokeRequired)
|
---|
| 394 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced), sender, e);
|
---|
| 395 | else {
|
---|
[3561] | 396 | DataRow row = null;
|
---|
| 397 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
| 398 | if (row != null) {
|
---|
[3703] | 399 | Series rowSeries = chart.Series[row.Name];
|
---|
| 400 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
[6342] | 401 | if (row.VisualProperties.ChartType == DataRowVisualProperties.DataRowChartType.Histogram) {
|
---|
| 402 | rowSeries.Points.Clear();
|
---|
| 403 | FillSeriesWithRowValues(rowSeries, row);
|
---|
| 404 | } else {
|
---|
| 405 | foreach (IndexedItem<double> item in e.Items) {
|
---|
| 406 | if (IsInvalidValue(item.Value))
|
---|
| 407 | rowSeries.Points[item.Index].IsEmpty = true;
|
---|
| 408 | else {
|
---|
| 409 | rowSeries.Points[item.Index].YValues = new double[] { item.Value };
|
---|
| 410 | rowSeries.Points[item.Index].IsEmpty = false;
|
---|
| 411 | }
|
---|
[3703] | 412 | }
|
---|
[3561] | 413 | }
|
---|
[6342] | 414 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
[3703] | 415 | UpdateYCursorInterval();
|
---|
[3530] | 416 | }
|
---|
[3080] | 417 | }
|
---|
[2908] | 418 | }
|
---|
| 419 | }
|
---|
| 420 | private void Values_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 421 | if (InvokeRequired)
|
---|
| 422 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved), sender, e);
|
---|
| 423 | else {
|
---|
[3561] | 424 | DataRow row = null;
|
---|
| 425 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
| 426 | if (row != null) {
|
---|
[3703] | 427 | Series rowSeries = chart.Series[row.Name];
|
---|
| 428 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
[4778] | 429 | rowSeries.Points.Clear();
|
---|
| 430 | FillSeriesWithRowValues(rowSeries, row);
|
---|
[6342] | 431 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
[3703] | 432 | UpdateYCursorInterval();
|
---|
[3530] | 433 | }
|
---|
[3080] | 434 | }
|
---|
[2908] | 435 | }
|
---|
| 436 | }
|
---|
[3530] | 437 |
|
---|
[2908] | 438 | private void Values_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
|
---|
| 439 | if (InvokeRequired)
|
---|
| 440 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset), sender, e);
|
---|
| 441 | else {
|
---|
[3561] | 442 | DataRow row = null;
|
---|
| 443 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
| 444 | if (row != null) {
|
---|
[3703] | 445 | Series rowSeries = chart.Series[row.Name];
|
---|
| 446 | if (!invisibleSeries.Contains(rowSeries)) {
|
---|
| 447 | rowSeries.Points.Clear();
|
---|
[4778] | 448 | FillSeriesWithRowValues(rowSeries, row);
|
---|
[6342] | 449 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
[4778] | 450 | UpdateYCursorInterval();
|
---|
[3530] | 451 | }
|
---|
[3080] | 452 | }
|
---|
[2908] | 453 | }
|
---|
| 454 | }
|
---|
| 455 | #endregion
|
---|
[6342] | 456 | #endregion
|
---|
[4623] | 457 |
|
---|
[6342] | 458 | #region Chart Event Handlers
|
---|
[3703] | 459 | private void chart_MouseDown(object sender, MouseEventArgs e) {
|
---|
| 460 | HitTestResult result = chart.HitTest(e.X, e.Y);
|
---|
| 461 | if (result.ChartElementType == ChartElementType.LegendItem) {
|
---|
| 462 | ToggleSeriesVisible(result.Series);
|
---|
| 463 | }
|
---|
| 464 | }
|
---|
[6342] | 465 | private void chart_MouseMove(object sender, MouseEventArgs e) {
|
---|
| 466 | HitTestResult result = chart.HitTest(e.X, e.Y);
|
---|
| 467 | if (result.ChartElementType == ChartElementType.LegendItem)
|
---|
| 468 | this.Cursor = Cursors.Hand;
|
---|
| 469 | else
|
---|
| 470 | this.Cursor = Cursors.Default;
|
---|
| 471 | }
|
---|
| 472 | private void chart_CustomizeLegend(object sender, CustomizeLegendEventArgs e) {
|
---|
| 473 | foreach (LegendItem legendItem in e.LegendItems) {
|
---|
| 474 | var series = chart.Series[legendItem.SeriesName];
|
---|
| 475 | if (series != null) {
|
---|
| 476 | bool seriesIsInvisible = invisibleSeries.Contains(series);
|
---|
| 477 | foreach (LegendCell cell in legendItem.Cells) {
|
---|
| 478 | cell.ForeColor = seriesIsInvisible ? Color.Gray : Color.Black;
|
---|
| 479 | }
|
---|
| 480 | }
|
---|
| 481 | }
|
---|
| 482 | }
|
---|
| 483 | #endregion
|
---|
[3530] | 484 |
|
---|
[3703] | 485 | private void ToggleSeriesVisible(Series series) {
|
---|
| 486 | if (!invisibleSeries.Contains(series)) {
|
---|
| 487 | series.Points.Clear();
|
---|
| 488 | invisibleSeries.Add(series);
|
---|
| 489 | } else {
|
---|
| 490 | invisibleSeries.Remove(series);
|
---|
| 491 | if (Content != null) {
|
---|
| 492 |
|
---|
| 493 | var row = (from r in Content.Rows
|
---|
| 494 | where r.Name == series.Name
|
---|
| 495 | select r).Single();
|
---|
| 496 | FillSeriesWithRowValues(series, row);
|
---|
| 497 | this.chart.Legends[series.Legend].ForeColor = Color.Black;
|
---|
[6342] | 498 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
[3703] | 499 | UpdateYCursorInterval();
|
---|
| 500 | }
|
---|
| 501 | }
|
---|
| 502 | }
|
---|
| 503 |
|
---|
| 504 | private void FillSeriesWithRowValues(Series series, DataRow row) {
|
---|
[6342] | 505 | switch (row.VisualProperties.ChartType) {
|
---|
| 506 | case DataRowVisualProperties.DataRowChartType.Histogram:
|
---|
| 507 | CalculateHistogram(series, row);
|
---|
| 508 | break;
|
---|
| 509 | default: {
|
---|
| 510 | for (int i = 0; i < row.Values.Count; i++) {
|
---|
| 511 | var value = row.Values[i];
|
---|
| 512 | DataPoint point = new DataPoint();
|
---|
| 513 | point.XValue = row.VisualProperties.StartIndexZero ? i : i + 1;
|
---|
| 514 | if (IsInvalidValue(value))
|
---|
| 515 | point.IsEmpty = true;
|
---|
| 516 | else
|
---|
| 517 | point.YValues = new double[] { value };
|
---|
| 518 | series.Points.Add(point);
|
---|
| 519 | }
|
---|
| 520 | }
|
---|
| 521 | break;
|
---|
[3703] | 522 | }
|
---|
| 523 | }
|
---|
| 524 |
|
---|
[6342] | 525 | protected virtual void CalculateHistogram(Series series, DataRow row) {
|
---|
| 526 | series.Points.Clear();
|
---|
| 527 | if (!row.Values.Any()) return;
|
---|
| 528 | int bins = row.VisualProperties.Bins;
|
---|
| 529 |
|
---|
| 530 | double minValue = row.Values.Min();
|
---|
| 531 | double maxValue = row.Values.Max();
|
---|
| 532 | double intervalWidth = (maxValue - minValue) / bins;
|
---|
| 533 | if (intervalWidth < 0) return;
|
---|
| 534 | if (intervalWidth == 0) {
|
---|
| 535 | series.Points.AddXY(minValue, row.Values.Count);
|
---|
| 536 | return;
|
---|
| 537 | }
|
---|
| 538 |
|
---|
| 539 | if (!row.VisualProperties.ExactBins) {
|
---|
| 540 | intervalWidth = HumanRoundRange(intervalWidth);
|
---|
| 541 | minValue = Math.Floor(minValue / intervalWidth) * intervalWidth;
|
---|
| 542 | maxValue = Math.Ceiling(maxValue / intervalWidth) * intervalWidth;
|
---|
| 543 | }
|
---|
| 544 |
|
---|
[7223] | 545 | double intervalCenter = intervalWidth / 2;
|
---|
| 546 |
|
---|
| 547 | double min = 0.0;
|
---|
[6978] | 548 | if (!Double.IsNaN(Content.VisualProperties.XAxisMinimumFixedValue) && !Content.VisualProperties.XAxisMinimumAuto)
|
---|
[7223] | 549 | min = Content.VisualProperties.XAxisMinimumFixedValue;
|
---|
| 550 | else min = minValue;
|
---|
[6978] | 551 |
|
---|
[7223] | 552 | double axisInterval = intervalWidth / row.VisualProperties.ScaleFactor;
|
---|
[6978] | 553 |
|
---|
[7223] | 554 | var area = chart.ChartAreas[0];
|
---|
| 555 | area.AxisX.Interval = axisInterval;
|
---|
[6978] | 556 |
|
---|
[7223] | 557 | series.SetCustomProperty("PointWidth", "1"); // 0.8 is the default value
|
---|
| 558 |
|
---|
| 559 | // get the range or intervals which define the grouping of the frequency values
|
---|
| 560 | var doubleRange = DoubleRange(min, maxValue + intervalWidth, intervalWidth).Skip(1).ToList();
|
---|
| 561 |
|
---|
| 562 | // aggregate the row values by unique key and frequency value
|
---|
| 563 | var valueFrequencies = (from v in row.Values
|
---|
| 564 | where !IsInvalidValue(v)
|
---|
| 565 | orderby v
|
---|
| 566 | group v by v into g
|
---|
| 567 | select new Tuple<double, double>(g.First(), g.Count())).ToList();
|
---|
| 568 |
|
---|
| 569 | // shift the chart to the left so the bars are placed on the intervals
|
---|
| 570 | if (valueFrequencies.First().Item1 < doubleRange.First())
|
---|
| 571 | series.Points.Add(new DataPoint(min - intervalWidth, 0));
|
---|
| 572 |
|
---|
| 573 | // add data points
|
---|
| 574 | int j = 0;
|
---|
| 575 | foreach (var d in doubleRange) {
|
---|
| 576 | double sum = 0.0;
|
---|
| 577 | // sum the frequency values that fall within the same interval
|
---|
| 578 | while (j < valueFrequencies.Count && valueFrequencies[j].Item1 < d) {
|
---|
| 579 | sum += valueFrequencies[j].Item2;
|
---|
| 580 | ++j;
|
---|
[3703] | 581 | }
|
---|
[7223] | 582 | series.Points.Add(new DataPoint(d - intervalCenter, sum) { ToolTip = "X: [" + (d - intervalWidth) + "-" + d + "), Y: " + sum });
|
---|
[3703] | 583 | }
|
---|
| 584 | }
|
---|
| 585 |
|
---|
[6342] | 586 | #region Helpers
|
---|
[7223] | 587 | public static IEnumerable<double> DoubleRange(double min, double max, double step) {
|
---|
| 588 | double i;
|
---|
| 589 | for (i = min; i <= max; i += step)
|
---|
| 590 | yield return i;
|
---|
| 591 |
|
---|
| 592 | if (i != max + step)
|
---|
| 593 | yield return i;
|
---|
| 594 | }
|
---|
| 595 |
|
---|
[6342] | 596 | protected void RemoveCustomPropertyIfExists(Series series, string property) {
|
---|
| 597 | if (series.IsCustomPropertySet(property)) series.DeleteCustomProperty(property);
|
---|
| 598 | }
|
---|
[5097] | 599 |
|
---|
[6342] | 600 | private double HumanRoundRange(double range) {
|
---|
| 601 | double base10 = Math.Pow(10.0, Math.Floor(Math.Log10(range)));
|
---|
| 602 | double rounding = range / base10;
|
---|
| 603 | if (rounding <= 1.5) rounding = 1;
|
---|
| 604 | else if (rounding <= 2.25) rounding = 2;
|
---|
| 605 | else if (rounding <= 3.75) rounding = 2.5;
|
---|
| 606 | else if (rounding <= 7.5) rounding = 5;
|
---|
| 607 | else rounding = 10;
|
---|
| 608 | return rounding * base10;
|
---|
| 609 | }
|
---|
| 610 |
|
---|
| 611 | private double HumanRoundMax(double max) {
|
---|
| 612 | double base10;
|
---|
| 613 | if (max > 0) base10 = Math.Pow(10.0, Math.Floor(Math.Log10(max)));
|
---|
| 614 | else base10 = Math.Pow(10.0, Math.Ceiling(Math.Log10(-max)));
|
---|
| 615 | double rounding = (max > 0) ? base10 : -base10;
|
---|
| 616 | while (rounding < max) rounding += base10;
|
---|
| 617 | return rounding;
|
---|
| 618 | }
|
---|
| 619 |
|
---|
| 620 | private ChartDashStyle ConvertLineStyle(DataRowVisualProperties.DataRowLineStyle dataRowLineStyle) {
|
---|
| 621 | switch (dataRowLineStyle) {
|
---|
| 622 | case DataRowVisualProperties.DataRowLineStyle.Dash:
|
---|
| 623 | return ChartDashStyle.Dash;
|
---|
| 624 | case DataRowVisualProperties.DataRowLineStyle.DashDot:
|
---|
| 625 | return ChartDashStyle.DashDot;
|
---|
| 626 | case DataRowVisualProperties.DataRowLineStyle.DashDotDot:
|
---|
| 627 | return ChartDashStyle.DashDotDot;
|
---|
| 628 | case DataRowVisualProperties.DataRowLineStyle.Dot:
|
---|
| 629 | return ChartDashStyle.Dot;
|
---|
| 630 | case DataRowVisualProperties.DataRowLineStyle.NotSet:
|
---|
| 631 | return ChartDashStyle.NotSet;
|
---|
| 632 | case DataRowVisualProperties.DataRowLineStyle.Solid:
|
---|
| 633 | return ChartDashStyle.Solid;
|
---|
| 634 | default:
|
---|
| 635 | return ChartDashStyle.NotSet;
|
---|
| 636 | }
|
---|
| 637 | }
|
---|
| 638 |
|
---|
[5097] | 639 | protected static bool IsInvalidValue(double x) {
|
---|
[3530] | 640 | return double.IsNaN(x) || x < (double)decimal.MinValue || x > (double)decimal.MaxValue;
|
---|
| 641 | }
|
---|
[6342] | 642 | #endregion
|
---|
[2908] | 643 | }
|
---|
| 644 | }
|
---|