[2908] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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[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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| 33 | /// <summary>
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| 34 | /// The visual representation of a <see cref="Variable"/>.
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| 35 | /// </summary>
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[2917] | 36 | [View("DataTable View")]
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[2908] | 37 | [Content(typeof(DataTable), true)]
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| 38 | public sealed partial class DataTableView : NamedItemView {
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[3703] | 39 | private List<Series> invisibleSeries;
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| 40 | private Dictionary<IObservableList<double>, DataRow> valuesRowsTable;
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[2908] | 41 | /// <summary>
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| 42 | /// Gets or sets the variable to represent visually.
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| 43 | /// </summary>
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| 44 | /// <remarks>Uses property <see cref="ViewBase.Item"/> of base class <see cref="ViewBase"/>.
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| 45 | /// No own data storage present.</remarks>
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| 46 | public new DataTable Content {
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| 47 | get { return (DataTable)base.Content; }
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| 48 | set { base.Content = value; }
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| 49 | }
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| 50 |
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| 51 | /// <summary>
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| 52 | /// Initializes a new instance of <see cref="VariableView"/> with caption "Variable".
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| 53 | /// </summary>
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| 54 | public DataTableView() {
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| 55 | InitializeComponent();
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| 56 | valuesRowsTable = new Dictionary<IObservableList<double>, DataRow>();
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[3703] | 57 | invisibleSeries = new List<Series>();
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[4636] | 58 | chart.CustomizeAllChartAreas();
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| 59 | chart.ChartAreas[0].CursorX.Interval = 1;
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[2908] | 60 | }
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| 61 |
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| 62 | /// <summary>
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| 63 | /// Removes the eventhandlers from the underlying <see cref="Variable"/>.
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| 64 | /// </summary>
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| 65 | /// <remarks>Calls <see cref="ViewBase.RemoveItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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| 66 | protected override void DeregisterContentEvents() {
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| 67 | foreach (DataRow row in Content.Rows)
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| 68 | DeregisterDataRowEvents(row);
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| 69 | Content.Rows.ItemsAdded -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded);
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| 70 | Content.Rows.ItemsRemoved -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved);
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| 71 | Content.Rows.ItemsReplaced -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced);
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| 72 | Content.Rows.CollectionReset -= new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset);
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| 73 | base.DeregisterContentEvents();
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| 74 | }
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| 75 |
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| 76 | /// <summary>
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| 77 | /// Adds eventhandlers to the underlying <see cref="Variable"/>.
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| 78 | /// </summary>
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| 79 | /// <remarks>Calls <see cref="ViewBase.AddItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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| 80 | protected override void RegisterContentEvents() {
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| 81 | base.RegisterContentEvents();
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| 82 | Content.Rows.ItemsAdded += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded);
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| 83 | Content.Rows.ItemsRemoved += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved);
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| 84 | Content.Rows.ItemsReplaced += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced);
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| 85 | Content.Rows.CollectionReset += new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset);
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| 86 | foreach (DataRow row in Content.Rows)
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| 87 | RegisterDataRowEvents(row);
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| 88 | }
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| 89 |
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| 90 | protected override void OnContentChanged() {
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| 91 | base.OnContentChanged();
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[3703] | 92 | invisibleSeries.Clear();
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[4637] | 93 | chart.Titles[0].Text = string.Empty;
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[2908] | 94 | chart.Series.Clear();
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[3454] | 95 | if (Content != null) {
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[4637] | 96 | chart.Titles[0].Text = Content.Name;
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[2908] | 97 | foreach (DataRow row in Content.Rows)
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| 98 | AddDataRow(row);
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| 99 | }
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| 100 | }
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| 101 |
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[3904] | 102 | protected override void SetEnabledStateOfControls() {
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| 103 | base.SetEnabledStateOfControls();
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[3454] | 104 | chart.Enabled = Content != null;
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| 105 | }
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| 106 |
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[2908] | 107 | private void AddDataRow(DataRow row) {
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| 108 | Series series = new Series(row.Name);
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[4644] | 109 | switch (row.VisualProperties.ChartType) {
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| 110 | case DataRowVisualProperties.DataRowChartType.Line:
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| 111 | series.ChartType = SeriesChartType.FastLine;
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| 112 | break;
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| 113 | case DataRowVisualProperties.DataRowChartType.Bars:
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| 114 | series.ChartType = SeriesChartType.Bar;
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| 115 | break;
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| 116 | case DataRowVisualProperties.DataRowChartType.Columns:
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| 117 | series.ChartType = SeriesChartType.Column;
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| 118 | break;
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| 119 | case DataRowVisualProperties.DataRowChartType.Points:
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| 120 | series.ChartType = SeriesChartType.FastPoint;
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| 121 | break;
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| 122 | default:
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| 123 | series.ChartType = SeriesChartType.FastPoint;
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| 124 | break;
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| 125 | }
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| 126 | series.YAxisType = row.VisualProperties.SecondYAxis ? AxisType.Secondary : AxisType.Primary;
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[4648] | 127 | if (row.VisualProperties.Color != Color.Empty) series.Color = row.VisualProperties.Color;
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[3773] | 128 | series.ToolTip = row.Name + " X = #INDEX, Y = #VAL";
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[3703] | 129 | FillSeriesWithRowValues(series, row);
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[2908] | 130 | chart.Series.Add(series);
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[4748] | 131 | chart.ChartAreas[0].RecalculateAxesScale();
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[3703] | 132 | UpdateYCursorInterval();
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[2908] | 133 | }
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[3703] | 134 |
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| 135 | private void UpdateYCursorInterval() {
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| 136 | double interestingValuesRange = (from series in chart.Series
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| 137 | where series.Enabled
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| 138 | let values = (from point in series.Points
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| 139 | where !point.IsEmpty
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| 140 | select point.YValues[0])
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| 141 | .DefaultIfEmpty(1.0)
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| 142 | let range = values.Max() - values.Min()
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| 143 | where range > 0.0
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| 144 | select range)
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| 145 | .DefaultIfEmpty(1.0)
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| 146 | .Min();
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| 147 |
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| 148 | double digits = (int)Math.Log10(interestingValuesRange) - 3;
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| 149 | double yZoomInterval = Math.Pow(10, digits);
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| 150 | this.chart.ChartAreas[0].CursorY.Interval = yZoomInterval;
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| 151 | }
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| 152 |
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[2908] | 153 | private void RemoveDataRow(DataRow row) {
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| 154 | Series series = chart.Series[row.Name];
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| 155 | chart.Series.Remove(series);
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[3703] | 156 | if (invisibleSeries.Contains(series))
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| 157 | invisibleSeries.Remove(series);
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[4748] | 158 | chart.ChartAreas[0].RecalculateAxesScale();
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[2908] | 159 | }
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| 160 |
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| 161 | #region Content Events
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| 162 | private void RegisterDataRowEvents(DataRow row) {
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| 163 | row.NameChanged += new EventHandler(Row_NameChanged);
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[4644] | 164 | row.VisualPropertiesChanged += new EventHandler(Row_VisualPropertiesChanged);
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[2908] | 165 | valuesRowsTable.Add(row.Values, row);
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| 166 | row.Values.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded);
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| 167 | row.Values.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved);
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| 168 | row.Values.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced);
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| 169 | row.Values.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved);
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| 170 | row.Values.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset);
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| 171 | }
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| 172 | private void DeregisterDataRowEvents(DataRow row) {
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| 173 | row.Values.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded);
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| 174 | row.Values.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved);
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| 175 | row.Values.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced);
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| 176 | row.Values.ItemsMoved -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved);
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| 177 | row.Values.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset);
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| 178 | valuesRowsTable.Remove(row.Values);
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[4644] | 179 | row.VisualPropertiesChanged -= new EventHandler(Row_VisualPropertiesChanged);
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[2908] | 180 | row.NameChanged -= new EventHandler(Row_NameChanged);
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| 181 | }
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| 182 | protected override void Content_NameChanged(object sender, EventArgs e) {
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| 183 | if (InvokeRequired)
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| 184 | Invoke(new EventHandler(Content_NameChanged), sender, e);
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| 185 | else {
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| 186 | chart.Titles[0].Text = Content.Name;
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| 187 | base.Content_NameChanged(sender, e);
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| 188 | }
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| 189 | }
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| 190 | private void Rows_ItemsAdded(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
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| 191 | if (InvokeRequired)
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| 192 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded), sender, e);
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| 193 | else {
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| 194 | foreach (DataRow row in e.Items) {
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| 195 | AddDataRow(row);
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| 196 | RegisterDataRowEvents(row);
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| 197 | }
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| 198 | }
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| 199 | }
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| 200 | private void Rows_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
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| 201 | if (InvokeRequired)
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| 202 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved), sender, e);
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| 203 | else {
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| 204 | foreach (DataRow row in e.Items) {
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| 205 | DeregisterDataRowEvents(row);
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| 206 | RemoveDataRow(row);
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| 207 | }
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| 208 | }
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| 209 | }
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| 210 | private void Rows_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
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| 211 | if (InvokeRequired)
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| 212 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced), sender, e);
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| 213 | else {
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| 214 | foreach (DataRow row in e.OldItems) {
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| 215 | DeregisterDataRowEvents(row);
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| 216 | RemoveDataRow(row);
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| 217 | }
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| 218 | foreach (DataRow row in e.Items) {
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| 219 | AddDataRow(row);
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| 220 | RegisterDataRowEvents(row);
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| 221 | }
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| 222 | }
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| 223 | }
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| 224 | private void Rows_CollectionReset(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
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| 225 | if (InvokeRequired)
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| 226 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset), sender, e);
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| 227 | else {
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| 228 | foreach (DataRow row in e.OldItems) {
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| 229 | DeregisterDataRowEvents(row);
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| 230 | RemoveDataRow(row);
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| 231 | }
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| 232 | foreach (DataRow row in e.Items) {
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| 233 | AddDataRow(row);
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| 234 | RegisterDataRowEvents(row);
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| 235 | }
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| 236 | }
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| 237 | }
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[4644] | 238 | private void Row_VisualPropertiesChanged(object sender, EventArgs e) {
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| 239 | if (InvokeRequired)
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| 240 | Invoke(new EventHandler(Row_VisualPropertiesChanged), sender, e);
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| 241 | else {
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| 242 | DataRow row = (DataRow)sender;
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| 243 | switch (row.VisualProperties.ChartType) {
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| 244 | case DataRowVisualProperties.DataRowChartType.Line:
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| 245 | chart.Series[row.Name].ChartType = SeriesChartType.FastLine;
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| 246 | break;
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| 247 | case DataRowVisualProperties.DataRowChartType.Bars:
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| 248 | chart.Series[row.Name].ChartType = SeriesChartType.Bar;
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| 249 | break;
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| 250 | case DataRowVisualProperties.DataRowChartType.Columns:
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| 251 | chart.Series[row.Name].ChartType = SeriesChartType.Column;
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| 252 | break;
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| 253 | case DataRowVisualProperties.DataRowChartType.Points:
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| 254 | chart.Series[row.Name].ChartType = SeriesChartType.FastPoint;
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| 255 | break;
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| 256 | default:
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| 257 | chart.Series[row.Name].ChartType = SeriesChartType.FastPoint;
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| 258 | break;
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| 259 | }
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| 260 | chart.Series[row.Name].YAxisType = row.VisualProperties.SecondYAxis ? AxisType.Secondary : AxisType.Primary;
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[4648] | 261 | if (row.VisualProperties.Color != Color.Empty) chart.Series[row.Name].Color = row.VisualProperties.Color;
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[4748] | 262 | chart.ChartAreas[0].RecalculateAxesScale();
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[4644] | 263 | }
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| 264 | }
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[2908] | 265 | private void Row_NameChanged(object sender, EventArgs e) {
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| 266 | if (InvokeRequired)
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| 267 | Invoke(new EventHandler(Row_NameChanged), sender, e);
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| 268 | else {
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| 269 | DataRow row = (DataRow)sender;
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| 270 | chart.Series[row.Name].Name = row.Name;
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| 271 | }
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| 272 | }
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| 273 | private void Values_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
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| 274 | if (InvokeRequired)
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| 275 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded), sender, e);
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| 276 | else {
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[3561] | 277 | DataRow row = null;
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| 278 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
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| 279 | if (row != null) {
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[3703] | 280 | Series rowSeries = chart.Series[row.Name];
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| 281 | if (!invisibleSeries.Contains(rowSeries)) {
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| 282 | foreach (IndexedItem<double> item in e.Items) {
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| 283 | var value = item.Value;
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| 284 | if (IsInvalidValue(item.Value)) {
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| 285 | DataPoint point = new DataPoint();
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| 286 | point.IsEmpty = true;
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| 287 | rowSeries.Points.Insert(item.Index, point);
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| 288 | } else {
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| 289 | rowSeries.Points.InsertY(item.Index, value);
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| 290 | }
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[3561] | 291 | }
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[3703] | 292 | UpdateYCursorInterval();
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[3080] | 293 | }
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| 294 | }
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[2908] | 295 | }
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| 296 | }
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| 297 | private void Values_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
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| 298 | if (InvokeRequired)
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| 299 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved), sender, e);
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| 300 | else {
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[3561] | 301 | DataRow row = null;
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| 302 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
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| 303 | if (row != null) {
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[3703] | 304 | Series rowSeries = chart.Series[row.Name];
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| 305 | if (!invisibleSeries.Contains(rowSeries)) {
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| 306 | List<DataPoint> points = new List<DataPoint>();
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| 307 | foreach (IndexedItem<double> item in e.Items)
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| 308 | points.Add(rowSeries.Points[item.Index]);
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| 309 | foreach (DataPoint point in points)
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| 310 | rowSeries.Points.Remove(point);
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| 311 | UpdateYCursorInterval();
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| 312 | }
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[3561] | 313 | }
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[2908] | 314 | }
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| 315 | }
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| 316 | private void Values_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
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| 317 | if (InvokeRequired)
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| 318 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced), sender, e);
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| 319 | else {
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[3561] | 320 | DataRow row = null;
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| 321 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
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| 322 | if (row != null) {
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[3703] | 323 | Series rowSeries = chart.Series[row.Name];
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| 324 | if (!invisibleSeries.Contains(rowSeries)) {
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| 325 | foreach (IndexedItem<double> item in e.Items) {
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| 326 | if (IsInvalidValue(item.Value))
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| 327 | rowSeries.Points[item.Index].IsEmpty = true;
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| 328 | else {
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| 329 | rowSeries.Points[item.Index].YValues = new double[] { item.Value };
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| 330 | rowSeries.Points[item.Index].IsEmpty = false;
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| 331 | }
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[3561] | 332 | }
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[3703] | 333 | UpdateYCursorInterval();
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[3530] | 334 | }
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[3080] | 335 | }
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[2908] | 336 | }
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| 337 | }
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| 338 | private void Values_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
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| 339 | if (InvokeRequired)
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| 340 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved), sender, e);
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| 341 | else {
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[3561] | 342 | DataRow row = null;
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| 343 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
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| 344 | if (row != null) {
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[3703] | 345 | Series rowSeries = chart.Series[row.Name];
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| 346 | if (!invisibleSeries.Contains(rowSeries)) {
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| 347 | foreach (IndexedItem<double> item in e.Items) {
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| 348 | if (IsInvalidValue(item.Value))
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| 349 | rowSeries.Points[item.Index].IsEmpty = true;
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| 350 | else {
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| 351 | rowSeries.Points[item.Index].YValues = new double[] { item.Value };
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| 352 | rowSeries.Points[item.Index].IsEmpty = false;
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| 353 | }
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[3561] | 354 | }
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[3703] | 355 | UpdateYCursorInterval();
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[3530] | 356 | }
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[3080] | 357 | }
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[2908] | 358 | }
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| 359 | }
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[3530] | 360 |
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[2908] | 361 | private void Values_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e) {
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| 362 | if (InvokeRequired)
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| 363 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset), sender, e);
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| 364 | else {
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[3561] | 365 | DataRow row = null;
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| 366 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
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| 367 | if (row != null) {
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[3703] | 368 | Series rowSeries = chart.Series[row.Name];
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| 369 | if (!invisibleSeries.Contains(rowSeries)) {
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| 370 | rowSeries.Points.Clear();
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| 371 | foreach (IndexedItem<double> item in e.Items) {
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| 372 | if (IsInvalidValue(item.Value))
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| 373 | rowSeries.Points[item.Index].IsEmpty = true;
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| 374 | else {
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| 375 | rowSeries.Points[item.Index].YValues = new double[] { item.Value };
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| 376 | rowSeries.Points[item.Index].IsEmpty = false;
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| 377 | }
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[3561] | 378 | }
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[3530] | 379 | }
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[3703] | 380 | UpdateYCursorInterval();
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[3080] | 381 | }
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[2908] | 382 | }
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| 383 | }
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| 384 | #endregion
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[4623] | 385 |
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| 386 | #region Chart Events
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[3703] | 387 | private void chart_MouseDown(object sender, MouseEventArgs e) {
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| 388 | HitTestResult result = chart.HitTest(e.X, e.Y);
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| 389 | if (result.ChartElementType == ChartElementType.LegendItem) {
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| 390 | ToggleSeriesVisible(result.Series);
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| 391 | }
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| 392 | }
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[3530] | 393 |
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[3703] | 394 | private void ToggleSeriesVisible(Series series) {
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| 395 | if (!invisibleSeries.Contains(series)) {
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| 396 | series.Points.Clear();
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| 397 | invisibleSeries.Add(series);
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| 398 | } else {
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| 399 | invisibleSeries.Remove(series);
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| 400 | if (Content != null) {
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| 401 |
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| 402 | var row = (from r in Content.Rows
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| 403 | where r.Name == series.Name
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| 404 | select r).Single();
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| 405 | FillSeriesWithRowValues(series, row);
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| 406 | this.chart.Legends[series.Legend].ForeColor = Color.Black;
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| 407 | UpdateYCursorInterval();
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| 408 | }
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| 409 | }
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| 410 | }
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| 411 |
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| 412 | private void FillSeriesWithRowValues(Series series, DataRow row) {
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| 413 | for (int i = 0; i < row.Values.Count; i++) {
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| 414 | var value = row.Values[i];
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| 415 | if (IsInvalidValue(value)) {
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| 416 | DataPoint point = new DataPoint();
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| 417 | point.IsEmpty = true;
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| 418 | series.Points.Add(point);
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| 419 | } else {
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| 420 | series.Points.Add(value);
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| 421 | }
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| 422 | }
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| 423 | }
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| 424 |
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| 425 | private void chart_MouseMove(object sender, MouseEventArgs e) {
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| 426 | HitTestResult result = chart.HitTest(e.X, e.Y);
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| 427 | if (result.ChartElementType == ChartElementType.LegendItem)
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| 428 | this.Cursor = Cursors.Hand;
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| 429 | else
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| 430 | this.Cursor = Cursors.Default;
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| 431 | }
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| 432 | private void chart_CustomizeLegend(object sender, CustomizeLegendEventArgs e) {
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| 433 | foreach (LegendItem legendItem in e.LegendItems) {
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| 434 | var series = chart.Series[legendItem.SeriesName];
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| 435 | if (series != null) {
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| 436 | bool seriesIsInvisible = invisibleSeries.Contains(series);
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| 437 | foreach (LegendCell cell in legendItem.Cells) {
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| 438 | cell.ForeColor = seriesIsInvisible ? Color.Gray : Color.Black;
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| 439 | }
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| 440 | }
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| 441 | }
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| 442 | }
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| 443 | #endregion
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| 444 |
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[3530] | 445 | private bool IsInvalidValue(double x) {
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| 446 | return double.IsNaN(x) || x < (double)decimal.MinValue || x > (double)decimal.MaxValue;
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| 447 | }
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[2908] | 448 | }
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| 449 | }
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