#region License Information /* HeuristicLab * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; using System.Collections.Generic; using System.Drawing; using System.Linq; using System.Windows.Forms; using System.Windows.Forms.DataVisualization.Charting; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Data; using HeuristicLab.MainForm; using HeuristicLab.MainForm.WindowsForms; namespace HeuristicLab.Optimization.Views { [View("RunCollection BubbleChart")] [Content(typeof(RunCollection), false)] public partial class RunCollectionBubbleChartView : AsynchronousContentView { private enum SizeDimension { Constant = 0 } private enum AxisDimension { Index = 0 } private string xAxisValue; private string yAxisValue; private string sizeAxisValue; private Dictionary> runToDataPointMapping; private Dictionary> categoricalMapping; private Dictionary xJitter; private Dictionary yJitter; private double xJitterFactor = 0.0; private double yJitterFactor = 0.0; private Random random; private bool isSelecting = false; private bool suppressUpdates = false; public RunCollectionBubbleChartView() { InitializeComponent(); chart.ContextMenuStrip.Items.Insert(0, hideRunToolStripMenuItem); chart.ContextMenuStrip.Items.Insert(1, openBoxPlotViewToolStripMenuItem); chart.ContextMenuStrip.Opening += new System.ComponentModel.CancelEventHandler(ContextMenuStrip_Opening); runToDataPointMapping = new Dictionary>(); categoricalMapping = new Dictionary>(); xJitter = new Dictionary(); yJitter = new Dictionary(); random = new Random(); colorDialog.Color = Color.Black; colorButton.Image = this.GenerateImage(16, 16, this.colorDialog.Color); isSelecting = false; chart.CustomizeAllChartAreas(); chart.ChartAreas[0].CursorX.Interval = 1; chart.ChartAreas[0].CursorY.Interval = 1; chart.ChartAreas[0].AxisX.ScaleView.Zoomable = !this.isSelecting; chart.ChartAreas[0].AxisY.ScaleView.Zoomable = !this.isSelecting; } public new RunCollection Content { get { return (RunCollection)base.Content; } set { base.Content = value; } } public IStringConvertibleMatrix Matrix { get { return this.Content; } } protected override void RegisterContentEvents() { base.RegisterContentEvents(); Content.Reset += new EventHandler(Content_Reset); Content.ColumnNamesChanged += new EventHandler(Content_ColumnNamesChanged); Content.ItemsAdded += new HeuristicLab.Collections.CollectionItemsChangedEventHandler(Content_ItemsAdded); Content.ItemsRemoved += new HeuristicLab.Collections.CollectionItemsChangedEventHandler(Content_ItemsRemoved); Content.CollectionReset += new HeuristicLab.Collections.CollectionItemsChangedEventHandler(Content_CollectionReset); Content.UpdateOfRunsInProgressChanged += new EventHandler(Content_UpdateOfRunsInProgressChanged); RegisterRunEvents(Content); } protected override void DeregisterContentEvents() { base.DeregisterContentEvents(); Content.Reset -= new EventHandler(Content_Reset); Content.ColumnNamesChanged -= new EventHandler(Content_ColumnNamesChanged); Content.ItemsAdded -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler(Content_ItemsAdded); Content.ItemsRemoved -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler(Content_ItemsRemoved); Content.CollectionReset -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler(Content_CollectionReset); Content.UpdateOfRunsInProgressChanged -= new EventHandler(Content_UpdateOfRunsInProgressChanged); DeregisterRunEvents(Content); } protected virtual void RegisterRunEvents(IEnumerable runs) { foreach (IRun run in runs) run.Changed += new EventHandler(run_Changed); } protected virtual void DeregisterRunEvents(IEnumerable runs) { foreach (IRun run in runs) run.Changed -= new EventHandler(run_Changed); } private void Content_CollectionReset(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs e) { DeregisterRunEvents(e.OldItems); RegisterRunEvents(e.Items); } private void Content_ItemsRemoved(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs e) { DeregisterRunEvents(e.Items); } private void Content_ItemsAdded(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs e) { RegisterRunEvents(e.Items); } private void run_Changed(object sender, EventArgs e) { if (InvokeRequired) this.Invoke(new EventHandler(run_Changed), sender, e); else { IRun run = (IRun)sender; UpdateRun(run); } } private void UpdateRun(IRun run) { if (!suppressUpdates) { if (runToDataPointMapping.ContainsKey(run)) { foreach (DataPoint point in runToDataPointMapping[run]) { point.Color = run.Color; if (!run.Visible) { this.chart.Series[0].Points.Remove(point); UpdateCursorInterval(); chart.ChartAreas[0].RecalculateAxesScale(); } } if (!run.Visible) runToDataPointMapping.Remove(run); } else { AddDataPoint(run); UpdateCursorInterval(); chart.ChartAreas[0].RecalculateAxesScale(); } if (this.chart.Series[0].Points.Count == 0) noRunsLabel.Visible = true; else noRunsLabel.Visible = false; } } protected override void OnContentChanged() { base.OnContentChanged(); this.categoricalMapping.Clear(); UpdateComboBoxes(); UpdateDataPoints(); } private void Content_ColumnNamesChanged(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler(Content_ColumnNamesChanged), sender, e); else UpdateComboBoxes(); } private void UpdateComboBoxes() { string selectedXAxis = (string)this.xAxisComboBox.SelectedItem; string selectedYAxis = (string)this.yAxisComboBox.SelectedItem; string selectedSizeAxis = (string)this.sizeComboBox.SelectedItem; this.xAxisComboBox.Items.Clear(); this.yAxisComboBox.Items.Clear(); this.sizeComboBox.Items.Clear(); if (Content != null) { string[] additionalAxisDimension = Enum.GetNames(typeof(AxisDimension)); this.xAxisComboBox.Items.AddRange(additionalAxisDimension); this.xAxisComboBox.Items.AddRange(Matrix.ColumnNames.ToArray()); this.yAxisComboBox.Items.AddRange(additionalAxisDimension); this.yAxisComboBox.Items.AddRange(Matrix.ColumnNames.ToArray()); string[] additionalSizeDimension = Enum.GetNames(typeof(SizeDimension)); this.sizeComboBox.Items.AddRange(additionalSizeDimension); this.sizeComboBox.Items.AddRange(Matrix.ColumnNames.ToArray()); this.sizeComboBox.SelectedItem = SizeDimension.Constant.ToString(); bool changed = false; if (selectedXAxis != null && xAxisComboBox.Items.Contains(selectedXAxis)) { xAxisComboBox.SelectedItem = selectedXAxis; changed = true; } if (selectedYAxis != null && yAxisComboBox.Items.Contains(selectedYAxis)) { yAxisComboBox.SelectedItem = selectedYAxis; changed = true; } if (selectedSizeAxis != null && sizeComboBox.Items.Contains(selectedSizeAxis)) { sizeComboBox.SelectedItem = selectedSizeAxis; changed = true; } if (changed) UpdateDataPoints(); } } private void Content_UpdateOfRunsInProgressChanged(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler(Content_UpdateOfRunsInProgressChanged), sender, e); else { suppressUpdates = Content.UpdateOfRunsInProgress; if (!suppressUpdates) UpdateDataPoints(); } } private void Content_Reset(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler(Content_Reset), sender, e); else { this.categoricalMapping.Clear(); UpdateDataPoints(); } } private void UpdateDataPoints() { Series series = this.chart.Series[0]; series.Points.Clear(); runToDataPointMapping.Clear(); chart.ChartAreas[0].AxisX.IsMarginVisible = xAxisValue != AxisDimension.Index.ToString(); chart.ChartAreas[0].AxisY.IsMarginVisible = yAxisValue != AxisDimension.Index.ToString(); if (Content != null) { foreach (IRun run in this.Content) this.AddDataPoint(run); if (this.chart.Series[0].Points.Count == 0) noRunsLabel.Visible = true; else { noRunsLabel.Visible = false; UpdateMarkerSizes(); UpdateCursorInterval(); } } var xAxis = chart.ChartAreas[0].AxisX; var yAxis = chart.ChartAreas[0].AxisY; xTrackBar.Value = 0; yTrackBar.Value = 0; SetAutomaticUpdateOfAxis(xAxis, true); SetAutomaticUpdateOfAxis(yAxis, true); } private void UpdateMarkerSizes() { double[] sizeValues = this.chart.Series[0].Points.Select(p => p.YValues[1]).ToArray(); double minSizeValue = sizeValues.Min(); double maxSizeValue = sizeValues.Max(); for (int i = 0; i < sizeValues.Length; i++) { DataPoint point = this.chart.Series[0].Points[i]; double sizeRange = maxSizeValue - minSizeValue; double relativeSize = (point.YValues[1] - minSizeValue); if (sizeRange > double.Epsilon) relativeSize /= sizeRange; else relativeSize = 1; point.MarkerSize = (int)Math.Round((sizeTrackBar.Value - sizeTrackBar.Minimum) * relativeSize + sizeTrackBar.Minimum); } } private void UpdateDataPointJitter() { var xAxis = this.chart.ChartAreas[0].AxisX; var yAxis = this.chart.ChartAreas[0].AxisY; SetAutomaticUpdateOfAxis(xAxis, false); SetAutomaticUpdateOfAxis(yAxis, false); foreach (DataPoint point in chart.Series[0].Points) { IRun run = (IRun)point.Tag; double xValue = GetValue(run, xAxisValue).Value; double yValue = GetValue(run, yAxisValue).Value; if (!xJitterFactor.IsAlmost(0.0)) xValue += 0.1 * GetXJitter(run) * xJitterFactor * (xAxis.Maximum - xAxis.Minimum); if (!yJitterFactor.IsAlmost(0.0)) yValue += 0.1 * GetYJitter(run) * yJitterFactor * (yAxis.Maximum - yAxis.Minimum); point.XValue = xValue; point.YValues[0] = yValue; } } private void SetAutomaticUpdateOfAxis(Axis axis, bool enabled) { if (enabled) { axis.Maximum = double.NaN; axis.Minimum = double.NaN; axis.MajorGrid.Interval = double.NaN; axis.MajorTickMark.Interval = double.NaN; axis.LabelStyle.Interval = double.NaN; } else { axis.Minimum = axis.Minimum; axis.Maximum = axis.Maximum; axis.MajorGrid.Interval = axis.MajorGrid.Interval; axis.MajorTickMark.Interval = axis.MajorTickMark.Interval; axis.LabelStyle.Interval = axis.LabelStyle.Interval; } } private void AddDataPoint(IRun run) { double? xValue; double? yValue; double? sizeValue; Series series = this.chart.Series[0]; xValue = GetValue(run, xAxisValue); yValue = GetValue(run, yAxisValue); sizeValue = GetValue(run, sizeAxisValue); if (xValue.HasValue && yValue.HasValue && sizeValue.HasValue) { xValue = xValue.Value; yValue = yValue.Value; if (run.Visible) { DataPoint point = new DataPoint(xValue.Value, new double[] { yValue.Value, sizeValue.Value }); point.Tag = run; point.Color = run.Color; series.Points.Add(point); if (!runToDataPointMapping.ContainsKey(run)) runToDataPointMapping.Add(run, new List()); runToDataPointMapping[run].Add(point); } } } private double? GetValue(IRun run, string columnName) { if (run == null || string.IsNullOrEmpty(columnName)) return null; if (Enum.IsDefined(typeof(AxisDimension), columnName)) { AxisDimension axisDimension = (AxisDimension)Enum.Parse(typeof(AxisDimension), columnName); return GetValue(run, axisDimension); } else if (Enum.IsDefined(typeof(SizeDimension), columnName)) { SizeDimension sizeDimension = (SizeDimension)Enum.Parse(typeof(SizeDimension), columnName); return GetValue(run, sizeDimension); } else { int columnIndex = Matrix.ColumnNames.ToList().IndexOf(columnName); IItem value = Content.GetValue(run, columnIndex); if (value == null) return null; DoubleValue doubleValue = value as DoubleValue; IntValue intValue = value as IntValue; TimeSpanValue timeSpanValue = value as TimeSpanValue; double? ret = null; if (doubleValue != null) { if (!double.IsNaN(doubleValue.Value) && !double.IsInfinity(doubleValue.Value)) ret = doubleValue.Value; } else if (intValue != null) ret = intValue.Value; else if (timeSpanValue != null) { ret = timeSpanValue.Value.TotalSeconds; } else ret = GetCategoricalValue(columnIndex, value.ToString()); return ret; } } private double GetCategoricalValue(int dimension, string value) { if (!this.categoricalMapping.ContainsKey(dimension)) this.categoricalMapping[dimension] = new Dictionary(); if (!this.categoricalMapping[dimension].ContainsKey(value)) { if (this.categoricalMapping[dimension].Values.Count == 0) this.categoricalMapping[dimension][value] = 1.0; else this.categoricalMapping[dimension][value] = this.categoricalMapping[dimension].Values.Max() + 1.0; } return this.categoricalMapping[dimension][value]; } private double GetValue(IRun run, AxisDimension axisDimension) { double value = double.NaN; switch (axisDimension) { case AxisDimension.Index: { value = Content.ToList().IndexOf(run); break; } default: { throw new ArgumentException("No handling strategy for " + axisDimension.ToString() + " is defined."); } } return value; } private double GetValue(IRun run, SizeDimension sizeDimension) { double value = double.NaN; switch (sizeDimension) { case SizeDimension.Constant: { value = 2; break; } default: { throw new ArgumentException("No handling strategy for " + sizeDimension.ToString() + " is defined."); } } return value; } private void UpdateCursorInterval() { Series series = chart.Series[0]; double[] xValues = (from point in series.Points where !point.IsEmpty select point.XValue) .DefaultIfEmpty(1.0) .ToArray(); double[] yValues = (from point in series.Points where !point.IsEmpty select point.YValues[0]) .DefaultIfEmpty(1.0) .ToArray(); double xRange = xValues.Max() - xValues.Min(); double yRange = yValues.Max() - yValues.Min(); if (xRange.IsAlmost(0.0)) xRange = 1.0; if (yRange.IsAlmost(0.0)) yRange = 1.0; double xDigits = (int)Math.Log10(xRange) - 3; double yDigits = (int)Math.Log10(yRange) - 3; double xZoomInterval = Math.Pow(10, xDigits); double yZoomInterval = Math.Pow(10, yDigits); this.chart.ChartAreas[0].CursorX.Interval = xZoomInterval; this.chart.ChartAreas[0].CursorY.Interval = yZoomInterval; //code to handle TimeSpanValues correct int axisDimensionCount = Enum.GetNames(typeof(AxisDimension)).Count(); int columnIndex = xAxisComboBox.SelectedIndex - axisDimensionCount; if (columnIndex >= 0 && Content.GetValue(0, columnIndex) is TimeSpanValue) this.chart.ChartAreas[0].CursorX.Interval = 1; columnIndex = yAxisComboBox.SelectedIndex - axisDimensionCount; if (columnIndex >= 0 && Content.GetValue(0, columnIndex) is TimeSpanValue) this.chart.ChartAreas[0].CursorY.Interval = 1; } #region Drag & drop and tooltip private void chart_MouseDoubleClick(object sender, MouseEventArgs e) { HitTestResult h = this.chart.HitTest(e.X, e.Y, ChartElementType.DataPoint); if (h.ChartElementType == ChartElementType.DataPoint) { IRun run = (IRun)((DataPoint)h.Object).Tag; IContentView view = MainFormManager.MainForm.ShowContent(run); if (view != null) { view.ReadOnly = this.ReadOnly; view.Locked = this.Locked; } this.chart.ChartAreas[0].CursorX.SelectionStart = this.chart.ChartAreas[0].CursorX.SelectionEnd; this.chart.ChartAreas[0].CursorY.SelectionStart = this.chart.ChartAreas[0].CursorY.SelectionEnd; } UpdateAxisLabels(); } private void chart_MouseUp(object sender, MouseEventArgs e) { if (isSelecting) { System.Windows.Forms.DataVisualization.Charting.Cursor xCursor = chart.ChartAreas[0].CursorX; System.Windows.Forms.DataVisualization.Charting.Cursor yCursor = chart.ChartAreas[0].CursorY; double minX = Math.Min(xCursor.SelectionStart, xCursor.SelectionEnd); double maxX = Math.Max(xCursor.SelectionStart, xCursor.SelectionEnd); double minY = Math.Min(yCursor.SelectionStart, yCursor.SelectionEnd); double maxY = Math.Max(yCursor.SelectionStart, yCursor.SelectionEnd); //check for click to select model if (minX == maxX && minY == maxY) { HitTestResult hitTest = chart.HitTest(e.X, e.Y); if (hitTest.ChartElementType == ChartElementType.DataPoint) { int pointIndex = hitTest.PointIndex; IRun run = (IRun)this.chart.Series[0].Points[pointIndex].Tag; run.Color = colorDialog.Color; } } else { List selectedPoints = new List(); foreach (DataPoint p in this.chart.Series[0].Points) { if (p.XValue >= minX && p.XValue < maxX && p.YValues[0] >= minY && p.YValues[0] < maxY) { selectedPoints.Add(p); } } foreach (DataPoint p in selectedPoints) { IRun run = (IRun)p.Tag; run.Color = colorDialog.Color; } } this.chart.ChartAreas[0].CursorX.SelectionStart = this.chart.ChartAreas[0].CursorX.SelectionEnd; this.chart.ChartAreas[0].CursorY.SelectionStart = this.chart.ChartAreas[0].CursorY.SelectionEnd; } } private void chart_MouseMove(object sender, MouseEventArgs e) { HitTestResult h = this.chart.HitTest(e.X, e.Y); string newTooltipText = string.Empty; string oldTooltipText; if (h.ChartElementType == ChartElementType.DataPoint) { IRun run = (IRun)((DataPoint)h.Object).Tag; newTooltipText = BuildTooltip(run); } else if (h.ChartElementType == ChartElementType.AxisLabels) { newTooltipText = ((CustomLabel)h.Object).ToolTip; } oldTooltipText = this.tooltip.GetToolTip(chart); if (newTooltipText != oldTooltipText) this.tooltip.SetToolTip(chart, newTooltipText); } private string BuildTooltip(IRun run) { string tooltip; tooltip = run.Name + System.Environment.NewLine; double? xValue = this.GetValue(run, (string)xAxisComboBox.SelectedItem); double? yValue = this.GetValue(run, (string)yAxisComboBox.SelectedItem); double? sizeValue = this.GetValue(run, (string)sizeComboBox.SelectedItem); string xString = xValue == null ? string.Empty : xValue.Value.ToString(); string yString = yValue == null ? string.Empty : yValue.Value.ToString(); string sizeString = sizeValue == null ? string.Empty : sizeValue.Value.ToString(); //code to handle TimeSpanValues correct int axisDimensionCount = Enum.GetNames(typeof(AxisDimension)).Count(); int columnIndex = xAxisComboBox.SelectedIndex - axisDimensionCount; if (xValue.HasValue && columnIndex > 0 && Content.GetValue(0, columnIndex) is TimeSpanValue) { TimeSpan time = TimeSpan.FromSeconds(xValue.Value); xString = string.Format("{0:00}:{1:00}:{2:00.00}", (int)time.TotalHours, time.Minutes, time.Seconds); } columnIndex = yAxisComboBox.SelectedIndex - axisDimensionCount; if (yValue.HasValue && columnIndex > 0 && Content.GetValue(0, columnIndex) is TimeSpanValue) { TimeSpan time = TimeSpan.FromSeconds(yValue.Value); yString = string.Format("{0:00}:{1:00}:{2:00.00}", (int)time.TotalHours, time.Minutes, time.Seconds); } tooltip += xAxisComboBox.SelectedItem + " : " + xString + Environment.NewLine; tooltip += yAxisComboBox.SelectedItem + " : " + yString + Environment.NewLine; tooltip += sizeComboBox.SelectedItem + " : " + sizeString + Environment.NewLine; return tooltip; } #endregion #region GUI events and updating private double GetXJitter(IRun run) { if (!this.xJitter.ContainsKey(run)) this.xJitter[run] = random.NextDouble() * 2.0 - 1.0; return this.xJitter[run]; } private double GetYJitter(IRun run) { if (!this.yJitter.ContainsKey(run)) this.yJitter[run] = random.NextDouble() * 2.0 - 1.0; return this.yJitter[run]; } private void jitterTrackBar_ValueChanged(object sender, EventArgs e) { this.xJitterFactor = xTrackBar.Value / 100.0; this.yJitterFactor = yTrackBar.Value / 100.0; UpdateDataPointJitter(); } private void sizeTrackBar_ValueChanged(object sender, EventArgs e) { UpdateMarkerSizes(); } private void AxisComboBox_SelectedValueChanged(object sender, EventArgs e) { bool axisSelected = xAxisComboBox.SelectedIndex != -1 && yAxisComboBox.SelectedIndex != -1; xTrackBar.Enabled = yTrackBar.Enabled = axisSelected; colorXAxisButton.Enabled = colorYAxisButton.Enabled = axisSelected; xAxisValue = (string)xAxisComboBox.SelectedItem; yAxisValue = (string)yAxisComboBox.SelectedItem; sizeAxisValue = (string)sizeComboBox.SelectedItem; UpdateDataPoints(); UpdateAxisLabels(); } private void UpdateAxisLabels() { Axis xAxis = this.chart.ChartAreas[0].AxisX; Axis yAxis = this.chart.ChartAreas[0].AxisY; int axisDimensionCount = Enum.GetNames(typeof(AxisDimension)).Count(); SetCustomAxisLabels(xAxis, xAxisComboBox.SelectedIndex - axisDimensionCount); SetCustomAxisLabels(yAxis, yAxisComboBox.SelectedIndex - axisDimensionCount); if (xAxisComboBox.SelectedItem != null) xAxis.Title = xAxisComboBox.SelectedItem.ToString(); if (yAxisComboBox.SelectedItem != null) yAxis.Title = yAxisComboBox.SelectedItem.ToString(); } private void chart_AxisViewChanged(object sender, System.Windows.Forms.DataVisualization.Charting.ViewEventArgs e) { this.UpdateAxisLabels(); } private void SetCustomAxisLabels(Axis axis, int dimension) { axis.CustomLabels.Clear(); if (categoricalMapping.ContainsKey(dimension)) { foreach (var pair in categoricalMapping[dimension]) { string labelText = pair.Key.ToString(); CustomLabel label = new CustomLabel(); label.ToolTip = labelText; if (labelText.Length > 25) labelText = labelText.Substring(0, 25) + " ... "; label.Text = labelText; label.GridTicks = GridTickTypes.TickMark; label.FromPosition = pair.Value - 0.5; label.ToPosition = pair.Value + 0.5; axis.CustomLabels.Add(label); } } else if (dimension > 0 && Content.GetValue(0, dimension) is TimeSpanValue) { this.chart.ChartAreas[0].RecalculateAxesScale(); for (double i = axis.Minimum; i <= axis.Maximum; i += axis.LabelStyle.Interval) { TimeSpan time = TimeSpan.FromSeconds(i); string x = string.Format("{0:00}:{1:00}:{2:00}", time.Hours, time.Minutes, time.Seconds); axis.CustomLabels.Add(i - axis.LabelStyle.Interval / 2, i + axis.LabelStyle.Interval / 2, x); } } } private void zoomButton_CheckedChanged(object sender, EventArgs e) { this.isSelecting = selectButton.Checked; this.colorButton.Enabled = this.isSelecting; this.chart.ChartAreas[0].AxisX.ScaleView.Zoomable = !isSelecting; this.chart.ChartAreas[0].AxisY.ScaleView.Zoomable = !isSelecting; } private void colorButton_Click(object sender, EventArgs e) { if (colorDialog.ShowDialog(this) == DialogResult.OK) { this.colorButton.Image = this.GenerateImage(16, 16, this.colorDialog.Color); } } private Image GenerateImage(int width, int height, Color fillColor) { Image colorImage = new Bitmap(width, height); using (Graphics gfx = Graphics.FromImage(colorImage)) { using (SolidBrush brush = new SolidBrush(fillColor)) { gfx.FillRectangle(brush, 0, 0, width, height); } } return colorImage; } private IRun runToHide = null; private void ContextMenuStrip_Opening(object sender, System.ComponentModel.CancelEventArgs e) { var pos = Control.MousePosition; var chartPos = chart.PointToClient(pos); HitTestResult h = this.chart.HitTest(chartPos.X, chartPos.Y); if (h.ChartElementType == ChartElementType.DataPoint) { runToHide = (IRun)((DataPoint)h.Object).Tag; hideRunToolStripMenuItem.Visible = true; } else { runToHide = null; hideRunToolStripMenuItem.Visible = false; } } private void hideRunToolStripMenuItem_Click(object sender, EventArgs e) { var constraint = Content.Constraints.OfType().Where(c => c.Active).FirstOrDefault(); if (constraint == null) { constraint = new RunCollectionContentConstraint(); Content.Constraints.Add(constraint); constraint.Active = true; } constraint.ConstraintData.Add(runToHide); } private void openBoxPlotViewToolStripMenuItem_Click(object sender, EventArgs e) { RunCollectionBoxPlotView boxplotView = new RunCollectionBoxPlotView(); boxplotView.Content = this.Content; boxplotView.xAxisComboBox.SelectedItem = xAxisComboBox.SelectedItem; boxplotView.yAxisComboBox.SelectedItem = yAxisComboBox.SelectedItem; boxplotView.Show(); } #endregion #region Automatic coloring private void colorXAxisButton_Click(object sender, EventArgs e) { ColorRuns(xAxisValue); } private void colorYAxisButton_Click(object sender, EventArgs e) { ColorRuns(yAxisValue); } private void ColorRuns(string axisValue) { var runs = Content.Where(r => r.Visible).Select(r => new { Run = r, Value = GetValue(r, axisValue) }).Where(r => r.Value.HasValue); double minValue = runs.Min(r => r.Value.Value); double maxValue = runs.Max(r => r.Value.Value); double range = maxValue - minValue; foreach (var r in runs) { int colorIndex = 0; if (!range.IsAlmost(0)) colorIndex = (int)((ColorGradient.Colors.Count - 1) * (r.Value.Value - minValue) / (range)); r.Run.Color = ColorGradient.Colors[colorIndex]; } } #endregion } }