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);
}
}
}
}
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;
}
}
public override void OnAsyncRefresh(string webControlId, System.Web.HttpContext context, NStateObject state, EventArgs args)
{
NChartSessionStateObject chartState = state as NChartSessionStateObject;
NRootPanel rootPanel = chartState.Document.RootPanel;
NLineSeries line = (NLineSeries)chartState.Document.RootPanel.Charts[0].Series[0];
if (line == null)
{
return;
}
if (line.Values.Count == 0)
{
return;
}
double dPrev = (double)line.Values[line.Values.Count - 1];
double value;
GenerateDataPoint(dPrev, new NRange1DD(50, 350), out value);
line.Values.RemoveAt(0);
line.XValues.RemoveAt(0);
line.Values.Add(value);
int nLast = (line.XValues.Count > 0 ? line.XValues.Count - 1 : 0);
double dLastValue = (double)line.XValues[nLast];
line.XValues.Add(DateTime.Now);
UpdateIndicators(chartState.Document);
}
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);
}
}
}
}
public override void OnAsyncRefresh(string webControlId, System.Web.HttpContext context, NStateObject state, EventArgs args)
{
NChartSessionStateObject chartState = state as NChartSessionStateObject;
NRootPanel rootPanel = chartState.Document.RootPanel;
NPieChart pieChart = rootPanel.Charts[0] as NPieChart;
pieChart.BeginAngle += 1;
if (pieChart.BeginAngle >= 360)
{
pieChart.BeginAngle = 0;
}
}
public override void OnAsyncRefresh(string webControlId, System.Web.HttpContext context, NStateObject state, EventArgs args)
{
// this method is called when the web control operates in the Nevron Instant Callback mode
DoSimulateResponseDelay();
NChartSessionStateObject chartState = state as NChartSessionStateObject;
NRootPanel rootPanel = chartState.Document.RootPanel;
NPieChart pieChart = rootPanel.Charts[0] as NPieChart;
pieChart.BeginAngle += 1;
if (pieChart.BeginAngle >= 360)
{
pieChart.BeginAngle = 0;
}
}
private void ExplodePieSegment(NStateObject state, EventArgs e, int offset)
{
NCallbackMouseEventArgs args = e as NCallbackMouseEventArgs;
NChartSessionStateObject chartState = state as NChartSessionStateObject;
NHitTestResult result = chartState.HitTest(args);
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);
}
}
}
}
void UpdateDataWindow(string webControlId, System.Web.HttpContext context, NStateObject state, NPointF ptViewPoint)
{
NChartSessionStateObject chartState = state as NChartSessionStateObject;
NRootPanel rootPanel = chartState.Document.RootPanel;
NCartesianChart chart = rootPanel.Charts[0] as NCartesianChart;
NVector2DD vecScalePoint = new NVector2DD();
NAxis xAxis = chart.Axis(StandardAxis.PrimaryX);
NAxis yAxis = chart.Axis(StandardAxis.PrimaryY);
using (NChartRasterView view = new NChartRasterView(chartState.Document, chartState.Size, NResolution.ScreenResolution))
{
view.RecalcLayout();
NViewToScale2DTransformation viewToScale = new NViewToScale2DTransformation(
view.Context,
chart,
(int)StandardAxis.PrimaryX,
(int)StandardAxis.PrimaryY
);
if (viewToScale.Transform(ptViewPoint, ref vecScalePoint))
{
double rangeMin = vecScalePoint.X - DataWindowWidth / 2;
rangeMin = xAxis.Scale.ViewRange.GetValueInRange(rangeMin);
double rangeMax = rangeMin + DataWindowWidth;
rangeMax = xAxis.Scale.ViewRange.GetValueInRange(rangeMax);
rangeMin = rangeMax - DataWindowWidth;
NRangeSelection selection = chart.RangeSelections[0] as NRangeSelection;
selection.HorizontalAxisRange = new NRange1DD(rangeMin, rangeMax);
selection.VerticalAxisRange = new NRange1DD(-waveDataWave1Factor, waveDataWave1Factor);
}
}
}
private void ProcessMouseEvent(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)
{
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 rootPanel.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 = rootPanel.ChildPanels.Count;
for (int i = 0; i < nCount; i++)
{
if (rootPanel.ChildPanels[i] is NRoundedRectangularCallout)
{
rootPanel.ChildPanels.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();
rootPanel.ChildPanels.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;
}
}
}
