private void ProcessMouseEvent(object sender, EventArgs e, Color c)
{
NHitTestResult result = nChartControl1.HitTest(e as NCallbackMouseEventArgs);
if (result.ChartElement == ChartElement.DataPoint)
{
switch (result.Chart.Tag.ToString())
{
case "BarChart":
NChartPalette palette = new NChartPalette(ChartPredefinedPalette.Nevron);
Color highlightColor = palette.SeriesColors[5];
NBarSeries barSeries = result.Series as NBarSeries;
foreach (NBarSeries series in nChartControl1.Charts[0].Series)
{
series.FillStyles.Clear();
series.BorderStyles.Clear();
}
barSeries.FillStyles[result.DataPointIndex] = new NColorFillStyle(c);
barSeries.BorderStyles[result.DataPointIndex] = new NStrokeStyle(1, c);
int nCount = nChartControl1.Panels.Count;
for (int i = 0; i < nCount; i++)
{
if (nChartControl1.Panels[i] is NRoundedRectangularCallout)
{
nChartControl1.Panels.RemoveAt(i);
}
}
NRoundedRectangularCallout m_RoundedRectangularCallout = new NRoundedRectangularCallout();
m_RoundedRectangularCallout.ArrowLength = new NLength(10, NRelativeUnit.ParentPercentage);
m_RoundedRectangularCallout.FillStyle = new NGradientFillStyle(Color.FromArgb(255, Color.White), Color.FromArgb(125, highlightColor));
m_RoundedRectangularCallout.UseAutomaticSize = true;
m_RoundedRectangularCallout.Orientation = 45;
m_RoundedRectangularCallout.Anchor = new NDataPointAnchor(barSeries, result.DataPointIndex, ContentAlignment.TopRight, StringAlignment.Center);
m_RoundedRectangularCallout.Text = ((NDataPoint)result.Object)[DataPointValue.Y].ToString();
nChartControl1.Panels.Add(m_RoundedRectangularCallout);
break;
case "PieChart":
NPieSeries pieSeries = result.Series as NPieSeries;
pieSeries.Detachments.Clear();
for (int i = 0; i < pieSeries.Values.Count; i++)
{
if (i == result.DataPointIndex)
{
pieSeries.Detachments.Add(15);
}
else
{
pieSeries.Detachments.Add(0);
}
}
break;
}
}
}
private void ConfigureAnnotations()
{
m_RectangularCallout = new NRectangularCallout();
m_RectangularCallout.ArrowLength = new NLength(15, NRelativeUnit.ParentPercentage);
m_RectangularCallout.FillStyle = new NGradientFillStyle(Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.CadetBlue));
m_RectangularCallout.UseAutomaticSize = true;
m_RectangularCallout.Orientation = 225;
m_RectangularCallout.Anchor = new NDataPointAnchor(m_Bar, 2, ContentAlignment.MiddleCenter, StringAlignment.Center);
m_RectangularCallout.Text = GetTextForAnnotation(m_RectangularCallout);
nChartControl1.Panels.Add(m_RectangularCallout);
m_RoundedRectangularCallout = new NRoundedRectangularCallout();
m_RoundedRectangularCallout.ArrowLength = new NLength(15, NRelativeUnit.ParentPercentage);
m_RoundedRectangularCallout.FillStyle = new NGradientFillStyle(Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.LightGreen));
m_RoundedRectangularCallout.UseAutomaticSize = true;
m_RoundedRectangularCallout.Orientation = 135;
m_RoundedRectangularCallout.Anchor = new NModelPointAnchor(m_Chart, new NVector3DF(0, 0, 0));
m_RoundedRectangularCallout.Text = GetTextForAnnotation(m_RoundedRectangularCallout);
nChartControl1.Panels.Add(m_RoundedRectangularCallout);
m_CutEdgeRectangularCallout = new NCutEdgeRectangularCallout();
m_CutEdgeRectangularCallout.FillStyle = new NGradientFillStyle(Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.LightBlue));
m_CutEdgeRectangularCallout.ArrowLength = new NLength(40, NRelativeUnit.ParentPercentage);
m_CutEdgeRectangularCallout.UseAutomaticSize = true;
m_CutEdgeRectangularCallout.Orientation = 190;
m_CutEdgeRectangularCallout.Anchor = new NLegendDataItemAnchor(m_Legend, 1);
m_CutEdgeRectangularCallout.Text = GetTextForAnnotation(m_CutEdgeRectangularCallout);
nChartControl1.Panels.Add(m_CutEdgeRectangularCallout);
m_OvalCallout = new NOvalCallout();
m_OvalCallout.FillStyle = new NColorFillStyle(Color.FromArgb(200, Color.AliceBlue));
m_OvalCallout.ArrowLength = new NLength(15, NRelativeUnit.ParentPercentage);
m_OvalCallout.UseAutomaticSize = true;
m_OvalCallout.Orientation = 315;
m_OvalCallout.Anchor = new NScalePointAnchor(m_Chart,
(int)StandardAxis.PrimaryX,
(int)StandardAxis.PrimaryY,
(int)StandardAxis.Depth,
AxisValueAnchorMode.Clip, new NVector3DD(7, 100, 0));
m_OvalCallout.Text = GetTextForAnnotation(m_OvalCallout);
nChartControl1.Panels.Add(m_OvalCallout);
m_ArrowAnnotation = new NArrowAnnotation();
m_ArrowAnnotation.UseAutomaticSize = true;
m_ArrowAnnotation.ArrowHeadWidthPercent = 30;
m_ArrowAnnotation.TextStyle.FontStyle.EmSize = new NLength(11, NGraphicsUnit.Point);
m_ArrowAnnotation.TextStyle.FontStyle.Style |= FontStyle.Bold;
m_ArrowAnnotation.Orientation = 45;
m_ArrowAnnotation.FillStyle = new NGradientFillStyle(GradientStyle.Vertical, GradientVariant.Variant1, Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.Orange));
m_ArrowAnnotation.Anchor = new NDataPointAnchor(m_Bar, 4, ContentAlignment.MiddleCenter, StringAlignment.Center);
m_ArrowAnnotation.Text = GetTextForAnnotation(m_ArrowAnnotation);
nChartControl1.Panels.Add(m_ArrowAnnotation);
nChartControl1.Controller.Selection.Clear();
nChartControl1.Controller.Selection.Add(m_Chart);
nChartControl1.Controller.Tools.Add(new NTrackballTool());
}
public override void Initialize()
{
base.Initialize();
// Create title label
NLabel title = new NLabel("Pie Data Point Anchor");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
// Create a pie chart
NPieChart chart = new NPieChart();
chart.Enable3D = false;
// Create a pie series with 6 data points
NPieSeries pieSeries = new NPieSeries();
chart.Series.Add(pieSeries);
pieSeries.DataLabelStyle.Visible = true;
pieSeries.LabelMode = PieLabelMode.SpiderNoOverlap;
GenerateData(pieSeries);
// Create a rounded rect callout
NRoundedRectangularCallout callout = new NRoundedRectangularCallout();
callout.ArrowLength = new NLength(20, NGraphicsUnit.Point);
callout.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.LightGreen));
callout.UseAutomaticSize = true;
callout.Orientation = 80;
callout.ContentAlignment = ContentAlignment.TopLeft;
callout.Text = "Annotation";
callout.TextStyle.FontStyle.EmSize = new NLength(8);
// Anchor the callout to pie data point #0
NPieDataPointAnchor anchor = new NPieDataPointAnchor(pieSeries, 0, 0.8f, StringAlignment.Near);
callout.Anchor = anchor;
// add title and chart panels
ConfigureStandardLayout(chart, title, null);
// add the annotation panel
nChartControl1.Panels.Add(callout);
// apply style sheet
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.FreshMultiColor);
styleSheet.Apply(nChartControl1.Document);
// init form controla
DataPointIndexUpDown.Value = anchor.DataPointIndex;
AnchorPositionUpDown.Value = (decimal)anchor.RadialPosition;
}
protected void Page_Load(object sender, EventArgs e)
{
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
nChartControl1.Panels.Clear();
// Create title label
NLabel title = new NLabel("Pie Data Point Anchor");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
nChartControl1.Panels.Add(title);
// Create a pie chart
NPieChart chart = new NPieChart();
nChartControl1.Panels.Add(chart);
chart.Enable3D = false;
// Create a pie series with 6 data points
NPieSeries pieSeries = new NPieSeries();
chart.Series.Add(pieSeries);
pieSeries.DataLabelStyle.Visible = true;
pieSeries.LabelMode = PieLabelMode.SpiderNoOverlap;
pieSeries.Values.FillRandomRange(new Random(), 6, 1, 5);
// Create a rounded rect callout
NRoundedRectangularCallout callout = new NRoundedRectangularCallout();
callout.ArrowLength = new NLength(20, NGraphicsUnit.Point);
callout.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.LightGreen));
callout.UseAutomaticSize = true;
callout.Orientation = 80;
callout.ContentAlignment = ContentAlignment.TopLeft;
callout.Text = "Annotation";
callout.TextStyle.FontStyle.EmSize = new NLength(8);
// Anchor the callout to pie data point #0
NPieDataPointAnchor anchor = new NPieDataPointAnchor(pieSeries, 0, 0.8f, StringAlignment.Near);
callout.Anchor = anchor;
// add the annotation panel
nChartControl1.Panels.Add(callout);
// apply style sheet
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.BrightMultiColor);
styleSheet.Apply(nChartControl1.Document);
}
private void AnchorPositionUpDown_ValueChanged(object sender, EventArgs e)
{
if (nChartControl1 == null)
{
return;
}
NRoundedRectangularCallout callout = nChartControl1.Panels[2] as NRoundedRectangularCallout;
if (callout == null)
{
return;
}
NPieDataPointAnchor anchor = callout.Anchor as NPieDataPointAnchor;
if (anchor == null)
{
return;
}
anchor.RadialPosition = (float)AnchorPositionUpDown.Value;
nChartControl1.Refresh();
}
private void DataPointIndexUpDown_ValueChanged(object sender, EventArgs e)
{
if (nChartControl1 == null)
{
return;
}
NRoundedRectangularCallout callout = nChartControl1.Panels[2] as NRoundedRectangularCallout;
if (callout == null)
{
return;
}
NPieDataPointAnchor anchor = callout.Anchor as NPieDataPointAnchor;
if (anchor == null)
{
return;
}
anchor.DataPointIndex = (int)DataPointIndexUpDown.Value;
nChartControl1.Refresh();
}
private void ConfigureAnnotations()
{
if (rectPanelCheck.Checked)
{
nRectangularCallout = new NRectangularCallout();
nRectangularCallout.ArrowLength = new NLength(15, NRelativeUnit.ParentPercentage);
nRectangularCallout.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.CadetBlue));
nRectangularCallout.UseAutomaticSize = true;
nRectangularCallout.Orientation = 225;
nRectangularCallout.Anchor = new NDataPointAnchor(nBar, 2, ContentAlignment.MiddleCenter, StringAlignment.Center);
nRectangularCallout.Text = GetTextForAnnotation(nRectangularCallout);
nRectangularCallout.TextStyle.FontStyle.EmSize = new NLength(8);
nChartControl1.Panels.Add(nRectangularCallout);
}
if (roundRectCalloutCheck.Checked)
{
nRoundedRectangularCallout = new NRoundedRectangularCallout();
nRoundedRectangularCallout.ArrowLength = new NLength(15, NRelativeUnit.ParentPercentage);
nRoundedRectangularCallout.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.LightGreen));
nRoundedRectangularCallout.UseAutomaticSize = true;
nRoundedRectangularCallout.Orientation = 135;
nRoundedRectangularCallout.Anchor = new NModelPointAnchor(nChart, new NVector3DF(0, 0, 0));
nRoundedRectangularCallout.Text = GetTextForAnnotation(nRoundedRectangularCallout);
nRoundedRectangularCallout.TextStyle.FontStyle.EmSize = new NLength(8);
nChartControl1.Panels.Add(nRoundedRectangularCallout);
}
if (cutedgeRectPanelCheck.Checked)
{
nCutEdgeRectangularCallout = new NCutEdgeRectangularCallout();
nCutEdgeRectangularCallout.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.LightBlue));
nCutEdgeRectangularCallout.ArrowLength = new NLength(40, NRelativeUnit.ParentPercentage);
nCutEdgeRectangularCallout.UseAutomaticSize = true;
nCutEdgeRectangularCallout.Orientation = 190;
nCutEdgeRectangularCallout.Anchor = new NLegendDataItemAnchor(nLegend, 1);
nCutEdgeRectangularCallout.Text = GetTextForAnnotation(nCutEdgeRectangularCallout);
nCutEdgeRectangularCallout.TextStyle.FontStyle.EmSize = new NLength(8);
nChartControl1.Panels.Add(nCutEdgeRectangularCallout);
}
if (ovalPanelCheck.Checked)
{
nOvalCallout = new NOvalCallout();
nOvalCallout.FillStyle = new NColorFillStyle(Color.FromArgb(200, Color.AliceBlue));
nOvalCallout.ArrowLength = new NLength(15, NRelativeUnit.ParentPercentage);
nOvalCallout.UseAutomaticSize = true;
nOvalCallout.Orientation = 315;
nOvalCallout.Anchor = new NScalePointAnchor(nChart,
(int)StandardAxis.PrimaryX,
(int)StandardAxis.PrimaryY,
(int)StandardAxis.Depth,
AxisValueAnchorMode.Clip,
new NVector3DD(7, 100, 0));
nOvalCallout.Text = GetTextForAnnotation(nOvalCallout);
nOvalCallout.TextStyle.FontStyle.EmSize = new NLength(8);
nChartControl1.Panels.Add(nOvalCallout);
}
if (arrowCheck.Checked)
{
nArrowAnnotation = new NArrowAnnotation();
nArrowAnnotation.UseAutomaticSize = true;
nArrowAnnotation.ArrowHeadWidthPercent = 30;
nArrowAnnotation.TextStyle.FontStyle.EmSize = new NLength(11, NGraphicsUnit.Point);
nArrowAnnotation.TextStyle.FontStyle.Style |= FontStyle.Bold;
nArrowAnnotation.Orientation = 45;
nArrowAnnotation.FillStyle = new NGradientFillStyle(GradientStyle.Vertical, GradientVariant.Variant1, Color.FromArgb(125, Color.White), Color.FromArgb(125, Color.Orange));
nArrowAnnotation.Anchor = new NDataPointAnchor(nBar, 4, ContentAlignment.MiddleCenter, StringAlignment.Center);
nArrowAnnotation.Text = GetTextForAnnotation(nArrowAnnotation);
nArrowAnnotation.TextStyle.FontStyle.EmSize = new NLength(8);
nChartControl1.Panels.Add(nArrowAnnotation);
}
}
