protected void Page_Load(object sender, EventArgs e)
{
nChartControl1.Settings.JitterMode = JitterMode.Enabled;
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Nonoverlapping Pie Labels");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(
new NLength(50, NRelativeUnit.ParentPercentage),
new NLength(2, NRelativeUnit.ParentPercentage));
// no legend
nChartControl1.Legends.Clear();
// setup chart
NPieChart pieChart = new NPieChart();
nChartControl1.Charts.Clear();
nChartControl1.Charts.Add(pieChart);
pieChart.Enable3D = true;
pieChart.BoundsMode = BoundsMode.Fit;
pieChart.Location = new NPointL(
new NLength(5, NRelativeUnit.ParentPercentage),
new NLength(10, NRelativeUnit.ParentPercentage));
pieChart.Size = new NSizeL(
new NLength(90, NRelativeUnit.ParentPercentage),
new NLength(87, NRelativeUnit.ParentPercentage));
pieChart.ClockwiseDirection = clockwiseCheckBox.Checked;
pieChart.Projection.SetPredefinedProjection(PredefinedProjection.OrthogonalElevated);
pieChart.LightModel.SetPredefinedLightModel(PredefinedLightModel.MetallicLustre);
// setup pie series
m_Pie = (NPieSeries)pieChart.Series.Add(SeriesType.Pie);
m_Pie.LabelMode = PieLabelMode.SpiderNoOverlap;
m_Pie.DataLabelStyle.Format = "<label>\n<percent>";
m_Pie.DataLabelStyle.TextStyle.FontStyle.EmSize = new NLength(8, NGraphicsUnit.Point);
m_Pie.Values.ValueFormatter = new NNumericValueFormatter("0.##");
m_Pie.BorderStyle.Color = Color.White;
m_Pie.PieStyle = PieStyle.SmoothEdgePie;
double[] arrValues = { 4.17, 7.19, 5.62, 7.91, 15.28, 0.97, 1.3, 1.12, 8.54, 9.84 };
for (int i = 0; i < arrValues.Length; i++)
{
m_Pie.Values.Add(arrValues[i]);
}
SetTexts();
// apply style sheet
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.BrightMultiColor);
styleSheet.Apply(nChartControl1.Document);
}
private void ArrowPointerLengthScroll_Scroll(object sender, Nevron.UI.WinForm.Controls.ScrollBarEventArgs e)
{
NPieSeries pie = (NPieSeries)nChartControl1.Charts[0].Series[0];
pie.DataLabelStyle.ArrowPointerLength = new NLength(ArrowPointerLengthScroll.Value, NGraphicsUnit.Point);
nChartControl1.Refresh();
}
private void LeadOffLengthScroll_ValueChanged(object sender, Nevron.UI.WinForm.Controls.ScrollBarEventArgs e)
{
NPieSeries pie = (NPieSeries)nChartControl1.Charts[0].Series[0];
pie.LeadOffArrowLength = new NLength(LeadOffLengthScroll.Value, NGraphicsUnit.Point);
nChartControl1.Refresh();
}
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 PieEdgeScrollBar_Scroll(object sender, Nevron.UI.WinForm.Controls.ScrollBarEventArgs e)
{
NPieSeries pie = (NPieSeries)nChartControl1.Charts[0].Series[0];
pie.PieEdgePercent = EdgePercentScroll.Value;
nChartControl1.Refresh();
}
private void PieLabelModeCombo_SelectedIndexChanged(object sender, System.EventArgs e)
{
NPieSeries pie = (NPieSeries)nChartControl1.Charts[0].Series[0];
pie.LabelMode = (PieLabelMode)PieLabelModeCombo.SelectedIndex;
switch (pie.LabelMode)
{
case PieLabelMode.Center:
ArrowLengthScroll.Enabled = false;
ArrowPointerLengthScroll.Enabled = false;
ConnectorLengthScroll.Enabled = false;
LeadOffLengthScroll.Enabled = false;
break;
case PieLabelMode.Rim:
case PieLabelMode.Spider:
ArrowLengthScroll.Enabled = true;
ArrowPointerLengthScroll.Enabled = true;
ConnectorLengthScroll.Enabled = false;
LeadOffLengthScroll.Enabled = false;
break;
case PieLabelMode.SpiderNoOverlap:
ArrowLengthScroll.Enabled = false;
ArrowPointerLengthScroll.Enabled = false;
ConnectorLengthScroll.Enabled = true;
LeadOffLengthScroll.Enabled = true;
break;
}
nChartControl1.Refresh();
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Printed Chart Appearance");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(new NLength(50, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
NLegend legend = nChartControl1.Legends[0];
legend.SetPredefinedLegendStyle(PredefinedLegendStyle.BottomRight);
m_Chart = new NPieChart();
nChartControl1.Charts.Clear();
nChartControl1.Charts.Add(m_Chart);
m_Chart.Depth = 18;
m_Chart.DisplayOnLegend = nChartControl1.Legends[0];
m_Pie = (NPieSeries)m_Chart.Series.Add(SeriesType.Pie);
m_Pie.BorderStyle.Color = Color.LemonChiffon;
m_Pie.AddDataPoint(new NDataPoint(24, "Cars", new NColorFillStyle(Color.FromArgb(169, 121, 11))));
m_Pie.AddDataPoint(new NDataPoint(18, "Airplanes", new NColorFillStyle(Color.FromArgb(157, 157, 92))));
m_Pie.AddDataPoint(new NDataPoint(32, "Trains", new NColorFillStyle(Color.FromArgb(98, 152, 92))));
m_Pie.AddDataPoint(new NDataPoint(23, "Ships", new NColorFillStyle(Color.FromArgb(111, 134, 181))));
m_Pie.AddDataPoint(new NDataPoint(19, "Buses", new NColorFillStyle(Color.FromArgb(179, 63, 92))));
m_Pie.Legend.Mode = SeriesLegendMode.DataPoints;
m_Pie.Legend.Format = "<label> <percent>";
}
private void LeadOffArrowLengthScrollBar_ValueChanged(object sender, System.Windows.RoutedPropertyChangedEventArgs <double> e)
{
NPieSeries pie = (NPieSeries)nChartControl1.Charts[0].Series[0];
pie.LeadOffArrowLength = new NLength((float)LeadOffArrowLengthScrollBar.Value * 100.0f, NGraphicsUnit.Point);
nChartControl1.Refresh();
}
private void ExplodePieSegment(NStateObject state, EventArgs e, int offset)
{
// this method is called when the web control operates in the Nevron Instant Callback mode
NCallbackMouseEventArgs args = e as NCallbackMouseEventArgs;
NChartSessionStateObject chartState = state as NChartSessionStateObject;
NHitTestResult result = chartState.HitTest(args);
NRootPanel rootPanel = chartState.Document.RootPanel;
if (result.ChartElement == ChartElement.DataPoint)
{
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(offset);
}
else
{
pieSeries.Detachments.Add(0);
}
}
}
}
private void LabelModeComboBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
NPieSeries pie = (NPieSeries)nChartControl1.Charts[0].Series[0];
pie.LabelMode = (PieLabelMode)LabelModeComboBox.SelectedIndex;
switch (pie.LabelMode)
{
case PieLabelMode.Center:
ArrowLengthScrollBar.IsEnabled = false;
ArrowPointerLengthScrollBar.IsEnabled = false;
LabelConnectorLengthScrollBar.IsEnabled = false;
LeadOffArrowLengthScrollBar.IsEnabled = false;
break;
case PieLabelMode.Rim:
case PieLabelMode.Spider:
ArrowLengthScrollBar.IsEnabled = true;
ArrowPointerLengthScrollBar.IsEnabled = true;
LabelConnectorLengthScrollBar.IsEnabled = false;
LeadOffArrowLengthScrollBar.IsEnabled = false;
break;
case PieLabelMode.SpiderNoOverlap:
ArrowLengthScrollBar.IsEnabled = false;
ArrowPointerLengthScrollBar.IsEnabled = false;
LabelConnectorLengthScrollBar.IsEnabled = true;
LeadOffArrowLengthScrollBar.IsEnabled = true;
break;
}
nChartControl1.Refresh();
}
public override void OnAsyncCustomCommand(string webControlId, System.Web.HttpContext context, NStateObject state, NCallbackCustomCommandArgs args)
{
switch (args.Command.Name)
{
case "displayHitsForDate":
NChartSessionStateObject chartState = state as NChartSessionStateObject;
NRootPanel rootPanel = chartState.Document.RootPanel;
NPieSeries pieSeries = rootPanel.Charts[0].Series[0] as NPieSeries;
int dataPointIndex = int.Parse(args.Command.Arguments["dataPointIndex"] as string);
int[] data = NDrillDownDemoUC.hitsPerDayPerRegion[dataPointIndex];
pieSeries.Values.Clear();
pieSeries.Labels.Clear();
int length = hitsPerDayPerRegion[0].Length;
for (int i = 0; i < length; i++)
{
pieSeries.Values.Add(data[i]);
pieSeries.Labels.Add(NDrillDownDemoUC.regionNames[i]);
}
DateTime selectedDate = NDrillDownDemoUC.startDate.AddDays(dataPointIndex);
NLabel header = rootPanel.Labels[0];
header.Text = selectedDate.ToString("dd/MMM/yyyy") + ", Hits per Region";
break;
}
}
private void EdgePercentScrollBar_ValueChanged(object sender, System.Windows.RoutedPropertyChangedEventArgs <double> e)
{
NPieSeries pie = (NPieSeries)nChartControl1.Charts[0].Series[0];
pie.PieEdgePercent = (float)EdgePercentScrollBar.Value * 100.0f;
nChartControl1.Refresh();
}
public void OnMouseEvent(NAspNetThinWebControl control, NBrowserMouseEventArgs e)
{
NThinChartControl chartControl = (NThinChartControl)control;
NPieChart pieChart = (NPieChart)chartControl.Charts[0];
NHitTestResult hitTestResult = chartControl.HitTest(e.X, e.Y);
int dataPointIndex = hitTestResult.DataPointIndex;
// collapse all pie slices
NPieSeries pieSeries = (NPieSeries)pieChart.Series[0];
for (int i = 0; i < pieSeries.Values.Count; i++)
{
pieSeries.Detachments[i] = 0;
}
// expand the one that's hit
if (dataPointIndex != -1)
{
pieSeries.Detachments[dataPointIndex] = 5.0f;
}
chartControl.UpdateView();
}
private NPieChart CreatePieChart()
{
NPieChart pieChart = new NPieChart();
NDockLayout.SetDockArea(pieChart, ENDockArea.Center);
pieChart.Margins = new NMargins(10, 0, 10, 10);
NPieSeries pieSeries = new NPieSeries();
pieChart.Series.Add(pieSeries);
pieChart.DockSpiderLabelsToSides = false;
NDataLabelStyle dataLabelStyle = new NDataLabelStyle();
dataLabelStyle.ArrowLength = 15;
dataLabelStyle.ArrowPointerLength = 0;
pieSeries.DataLabelStyle = dataLabelStyle;
pieSeries.LabelMode = ENPieLabelMode.Spider;
pieSeries.LegendView.Mode = ENSeriesLegendMode.DataPoints;
pieSeries.LegendView.Format = "<label> <percent>";
pieSeries.DataPoints.Add(new NPieDataPoint(24, "Cars"));
pieSeries.DataPoints.Add(new NPieDataPoint(18, "Airplanes"));
pieSeries.DataPoints.Add(new NPieDataPoint(32, "Trains"));
pieSeries.DataPoints.Add(new NPieDataPoint(23, "Ships"));
pieSeries.DataPoints.Add(new NPieDataPoint(19, "Buses"));
return(pieChart);
}
private void ColorPieSegment(NStateObject state, EventArgs e, Color c)
{
NCallbackMouseEventArgs args = e as NCallbackMouseEventArgs;
NChartSessionStateObject chartState = state as NChartSessionStateObject;
NHitTestResult result = chartState.HitTest(args);
NRootPanel rootPanel = chartState.Document.RootPanel;
if (result.ChartElement == ChartElement.DataPoint)
{
NPieSeries pieSeries = result.Series as NPieSeries;
for (int i = 0; i < pieSeries.Values.Count; i++)
{
if (i == result.DataPointIndex)
{
pieSeries.FillStyles[i] = new NColorFillStyle(c);
pieSeries.BorderStyles[i] = new NStrokeStyle(1, Color.White);
}
else
{
int colorIndex = i % NExampleUC.arrCustomColors2.Length;
Color color = NExampleUC.arrCustomColors2[colorIndex];
pieSeries.FillStyles[i] = new NColorFillStyle(color);
pieSeries.BorderStyles[i] = new NStrokeStyle(1, color);
}
}
}
}
private void ChangeDataButton_Click(object sender, EventArgs e)
{
NPieSeries pieSeries = (NPieSeries)nChartControl1.Charts[0].Series[0];
GenerateData(pieSeries);
nChartControl1.Refresh();
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected override NWidget CreateExampleContent()
{
NChartView chartView = CreatePieChartView();
// configure title
chartView.Surface.Titles[0].Text = "Doughnut Pie";
// configure chart
m_PieChart = (NPieChart)chartView.Surface.Charts[0];
m_PieChart.BeginRadiusPercent = 20;
m_PieChart.LabelLayout.EnableInitialPositioning = false;
string[] labels = new string[] { "Ships", "Trains", "Automobiles", "Airplanes" };
Random random = new Random();
for (int i = 0; i < 4; i++)
{
NPieSeries pieSeries = new NPieSeries();
// create a small detachment between pie rings
pieSeries.BeginRadiusPercent = 10;
m_PieChart.Series.Add(pieSeries);
m_PieChart.DockSpiderLabelsToSides = true;
NDataLabelStyle dataLabelStyle = new NDataLabelStyle(false);
dataLabelStyle.ArrowLength = 0;
dataLabelStyle.ArrowPointerLength = 0;
dataLabelStyle.Format = "<percent>";
dataLabelStyle.TextStyle.HorzAlign = ENTextHorzAlign.Center;
dataLabelStyle.TextStyle.VertAlign = ENTextVertAlign.Center;
pieSeries.DataLabelStyle = dataLabelStyle;
if (i == 0)
{
pieSeries.LegendView.Mode = ENSeriesLegendMode.DataPoints;
pieSeries.LegendView.Format = "<label>";
}
else
{
pieSeries.LegendView.Mode = ENSeriesLegendMode.None;
}
pieSeries.LabelMode = ENPieLabelMode.Center;
for (int j = 0; j < labels.Length; j++)
{
pieSeries.DataPoints.Add(new NPieDataPoint(20 + random.Next(100), labels[j]));
}
}
chartView.Document.StyleSheets.ApplyTheme(new NChartTheme(ENChartPalette.Bright, true));
return(chartView);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
m_Manager = ((NMainForm)base.m_MainForm).chartCommandBarsManager;
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Command Bars");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(new NLength(50, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
// hide the legend
((NLegend)nChartControl1.Legends[0]).Mode = LegendMode.Disabled;
// create chart 1
NChart chart1 = nChartControl1.Charts[0];
chart1.Enable3D = true;
chart1.Name = "Bar Chart";
chart1.Location = new NPointL(new NLength(5, NRelativeUnit.ParentPercentage), new NLength(5, NRelativeUnit.ParentPercentage));
chart1.Size = new NSizeL(new NLength(40, NRelativeUnit.ParentPercentage), new NLength(95, NRelativeUnit.ParentPercentage));
chart1.BoundsMode = BoundsMode.Fit;
chart1.Axis(StandardAxis.Depth).Visible = false;
// create chart 2
NChart chart2 = new NPieChart();
chart2.Enable3D = true;
nChartControl1.Charts.Add(chart2);
chart2.Name = "Pie Chart";
chart2.Location = new NPointL(new NLength(55, NRelativeUnit.ParentPercentage), new NLength(5, NRelativeUnit.ParentPercentage));
chart2.Size = new NSizeL(new NLength(40, NRelativeUnit.ParentPercentage), new NLength(95, NRelativeUnit.ParentPercentage));
chart2.BoundsMode = BoundsMode.Fit;
chart2.Projection.SetPredefinedProjection(PredefinedProjection.Orthogonal);
// add series to first chart
NBarSeries bar = (NBarSeries)chart1.Series.Add(SeriesType.Bar);
bar.Name = "Bar";
bar.Values.FillRandom(Random, 10);
bar.DataLabelStyle.Visible = false;
// add series to second chart
NPieSeries pie = (NPieSeries)chart2.Series.Add(SeriesType.Pie);
pie.Name = "Pie";
pie.Values.FillRandom(Random, 5);
pie.PieStyle = PieStyle.SmoothEdgePie;
pie.FillStyles[0] = new NColorFillStyle(Color.FromArgb(169, 121, 11));
pie.FillStyles[1] = new NColorFillStyle(Color.FromArgb(157, 157, 92));
pie.FillStyles[2] = new NColorFillStyle(Color.FromArgb(98, 152, 92));
pie.FillStyles[3] = new NColorFillStyle(Color.FromArgb(111, 134, 181));
pie.FillStyles[4] = new NColorFillStyle(Color.FromArgb(179, 63, 92));
}
private NChart CreateAnchorPanelChart()
{
NChart chart = null;
NSeries series = null;
switch (MiniChartTypeComboBox.SelectedIndex)
{
case 0: // Pie
chart = new NPieChart();
series = (NSeries)chart.Series.Add(SeriesType.Pie);
break;
case 1: // Doughnut
{
chart = new NPieChart();
NPieSeries pie = (NPieSeries)chart.Series.Add(SeriesType.Pie);
pie.PieStyle = PieStyle.Torus;
series = pie;
break;
}
case 2: // Bar
chart = new NCartesianChart();
chart.Wall(ChartWallType.Back).Visible = false;
chart.Axis(StandardAxis.PrimaryX).Visible = false;
chart.Axis(StandardAxis.PrimaryY).Visible = false;
chart.Axis(StandardAxis.Depth).Visible = false;
series = (NSeries)chart.Series.Add(SeriesType.Bar);
break;
case 3: // Area
chart = new NCartesianChart();
chart.Wall(ChartWallType.Back).Visible = false;
chart.Axis(StandardAxis.PrimaryX).Visible = false;
chart.Axis(StandardAxis.PrimaryY).Visible = false;
chart.Axis(StandardAxis.Depth).Visible = false;
series = (NSeries)chart.Series.Add(SeriesType.Area);
break;
}
chart.BoundsMode = BoundsMode.Fit;
chart.DockMode = PanelDockMode.Fill;
series.DataLabelStyle.Visible = false;
NDataPoint dp = new NDataPoint();
for (int i = 0; i < 5; i++)
{
dp[DataPointValue.Value] = 5 + Random.Next(10);
dp[DataPointValue.FillStyle] = new NColorFillStyle(RandomColor());
series.AddDataPoint(dp);
}
return(chart);
}
private void AddPieButton_Click(object sender, EventArgs e)
{
NChart chart = nChartControl1.Charts[0];
NPieSeries pieSeries = (NPieSeries)chart.Series[0];
double value = Convert.ToDouble(PieValueTextBox.Text);
String text = "Pie " + Convert.ToString(pieSeries.Values.Count + 1);
NFillStyle fill = new NColorFillStyle(WebExamplesUtilities.RandomColor());
pieSeries.AddDataPoint(new NDataPoint(value, text, fill));
}
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);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
m_Manager = ((NMainForm)base.m_MainForm).chartCommandBarsManager;
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Customizing the Command Bar");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(new NLength(50, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
NPieChart chart = new NPieChart();
chart.Enable3D = true;
nChartControl1.Charts.Clear();
nChartControl1.Charts.Add(chart);
chart.Projection.SetPredefinedProjection(PredefinedProjection.OrthogonalElevated);
chart.LightModel.SetPredefinedLightModel(PredefinedLightModel.NorthernLights);
chart.DisplayOnLegend = nChartControl1.Legends[0];
chart.Location = new NPointL(new NLength(15, NRelativeUnit.ParentPercentage), new NLength(15, NRelativeUnit.ParentPercentage));
chart.Size = new NSizeL(new NLength(70, NRelativeUnit.ParentPercentage), new NLength(70, NRelativeUnit.ParentPercentage));
NPieSeries pieSeries = (NPieSeries)chart.Series.Add(SeriesType.Pie);
pieSeries.PieEdgePercent = 30;
pieSeries.PieStyle = PieStyle.SmoothEdgePie;
pieSeries.Legend.Mode = SeriesLegendMode.DataPoints;
pieSeries.Legend.Format = "<label> <percent>";
pieSeries.AddDataPoint(new NDataPoint(12, "Ships"));
pieSeries.AddDataPoint(new NDataPoint(42, "Trains"));
pieSeries.AddDataPoint(new NDataPoint(56, "Cars"));
pieSeries.AddDataPoint(new NDataPoint(23, "Buses"));
pieSeries.AddDataPoint(new NDataPoint(18, "Airplanes"));
for (int i = 0; i < pieSeries.Values.Count; i++)
{
pieSeries.Detachments.Add(0);
}
// apply style sheet
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.FreshMultiColor);
styleSheet.Apply(nChartControl1.Document);
ShowStandardToolbarCheckBox_CheckedChanged(null, null);
}
private void DeleteLastPieButton_Click(object sender, EventArgs e)
{
NChart chart = nChartControl1.Charts[0];
NPieSeries pieSeries = (NPieSeries)chart.Series[0];
if (pieSeries.Values.Count == 0)
{
return;
}
int nLastIndex = pieSeries.Values.Count - 1;
pieSeries.Values.RemoveAt(nLastIndex);
}
void INMouseEventCallback.OnMouseEvent(NAspNetThinWebControl control, NBrowserMouseEventArgs e)
{
NThinChartControl chartControl = (NThinChartControl)control;
NPieChart pieChart = (NPieChart)chartControl.Charts[0];
NPieSeries pieSeries = (NPieSeries)pieChart.Series[0];
for (int i = 0; i < pieSeries.Values.Count; i++)
{
pieSeries.Detachments[i] = 5.0f;
}
chartControl.UpdateView();
}
private void ExportToDataTable_Click(object sender, System.EventArgs e)
{
NChart chart = nChartControl1.Charts[0];
NDataSeriesCollection arrSeries = new NDataSeriesCollection();
string sTableName = "";
switch (ChartCombo.SelectedIndex)
{
case 0: // Bar Chart
NBarSeries bar = (NBarSeries)chart.Series[0];
sTableName = "Bar Chart";
arrSeries.Add(bar.Values, DataSeriesMask.Values);
arrSeries.Add(bar.Labels, DataSeriesMask.Labels);
break;
case 1: // Line Chart With X Values
NLineSeries line = (NLineSeries)chart.Series[0];
sTableName = "Line Chart";
arrSeries.Add(line.Values, DataSeriesMask.Values);
arrSeries.Add(line.XValues, DataSeriesMask.XValues);
arrSeries.Add(line.Labels, DataSeriesMask.Labels);
break;
case 2: // Pie Chart with detachments
NPieSeries pie = (NPieSeries)chart.Series[0];
sTableName = "Pie Chart";
arrSeries.Add(pie.Values, DataSeriesMask.Values);
arrSeries.Add(pie.Detachments, DataSeriesMask.PieDetachments);
arrSeries.Add(pie.Labels, DataSeriesMask.Labels);
break;
case 3: // Open - High - Low - Close
NStockSeries stock = (NStockSeries)chart.Series[0];
sTableName = "Stock Chart";
arrSeries.Add(stock.OpenValues, DataSeriesMask.StockOpenValues);
arrSeries.Add(stock.HighValues, DataSeriesMask.StockHighValues);
arrSeries.Add(stock.LowValues, DataSeriesMask.StockLowValues);
arrSeries.Add(stock.CloseValues, DataSeriesMask.StockCloseValues);
break;
}
dataView1.Table = arrSeries.ExportToDataTable(sTableName);
nChartControl1.Refresh();
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Sorted Pie Chart");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(new NLength(50, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
NChart chart = new NPieChart();
nChartControl1.Charts.Clear();
nChartControl1.Charts.Add(chart);
// configure the chart
chart.Enable3D = true;
chart.Projection.SetPredefinedProjection(PredefinedProjection.OrthogonalElevated);
chart.LightModel.SetPredefinedLightModel(PredefinedLightModel.VividCameraLight);
chart.DisplayOnLegend = nChartControl1.Legends[0];
chart.Location = new NPointL(new NLength(20, NRelativeUnit.ParentPercentage), new NLength(20, NRelativeUnit.ParentPercentage));
chart.Size = new NSizeL(new NLength(60, NRelativeUnit.ParentPercentage), new NLength(60, NRelativeUnit.ParentPercentage));
// configure the legend
NLegend legend = nChartControl1.Legends[0];
legend.FillStyle = new NColorFillStyle(Color.FromArgb(100, Color.White));
// configure the pie series
m_Pie = (NPieSeries)chart.Series.Add(SeriesType.Pie);
m_Pie.Legend.Mode = SeriesLegendMode.DataPoints;
m_Pie.Legend.Format = "<label> <percent>";
// add data
m_Pie.BorderStyle.Color = Color.LightGray;
m_Pie.AddDataPoint(new NDataPoint(0, "Cars"));
m_Pie.AddDataPoint(new NDataPoint(0, "Trains"));
m_Pie.AddDataPoint(new NDataPoint(0, "Airplanes"));
m_Pie.AddDataPoint(new NDataPoint(0, "Buses"));
m_Pie.AddDataPoint(new NDataPoint(0, "Ships"));
// apply style sheet
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.FreshMultiColor);
styleSheet.Apply(nChartControl1.Document);
ChangeDataButton_Click(null, null);
}
private void NChartControl2_Click(object sender, EventArgs e)
{
NChart chart = nChartControl2.Charts[0];
NPostbackEventArgs eventArgs = (NPostbackEventArgs)e;
NDataPoint dp = eventArgs.Id.FindInDocument(nChartControl2.Document) as NDataPoint;
if (dp != null)
{
int dataItemID = dp.IndexInSeries;
NPieSeries pie = (NPieSeries)chart.Series[0];
pie.Detachments[dataItemID] = 10;
}
}
private void PieShapeCombo_SelectedIndexChanged(object sender, System.EventArgs e)
{
NPieSeries pie = (NPieSeries)nChartControl1.Charts[0].Series[0];
pie.PieStyle = (PieStyle)PieShapeCombo.SelectedIndex;
switch (pie.PieStyle)
{
case PieStyle.Pie:
case PieStyle.Ring:
case PieStyle.Torus:
EdgePercentScroll.Enabled = false;
break;
case PieStyle.SmoothEdgePie:
case PieStyle.SmoothEdgeRing:
case PieStyle.CutEdgePie:
case PieStyle.CutEdgeRing:
EdgePercentScroll.Enabled = true;
break;
default:
Debug.Assert(false);
break;
}
switch (pie.PieStyle)
{
case PieStyle.Pie:
case PieStyle.SmoothEdgePie:
case PieStyle.CutEdgePie:
InnerRadiusScroll.Enabled = false;
break;
case PieStyle.Ring:
case PieStyle.Torus:
case PieStyle.SmoothEdgeRing:
case PieStyle.CutEdgeRing:
InnerRadiusScroll.Enabled = true;
break;
default:
Debug.Assert(false);
break;
}
nChartControl1.Refresh();
}
/// <summary>
/// Collapses all pie segement
/// </summary>
protected void CollapsePie()
{
NPieSeries pie = GetPieSeries();
if (pie == null)
{
return;
}
for (int i = 0; i < pie.Detachments.Count; i++)
{
pie.Detachments[i] = 0;
}
this.ChartControl.Refresh();
}
