/// <summary>
/// Get visual object for stacked column chart
/// </summary>
/// <param name="width">Width of the PlotArea</param>
/// <param name="height">Height of the PlotArea</param>
/// <param name="plotDetails">PlotDetails</param>
/// <param name="chart">Chart</param>
/// <param name="plankDepth">PlankDepth</param>
/// <param name="animationEnabled">Whether animation is enabled for chart</param>
/// <returns>StackedColumn chart canvas</returns>
internal static Canvas GetVisualObjectForStackedColumnChart(RenderAs chartType, Panel preExistingPanel, Double width, Double height, PlotDetails plotDetails, Chart chart, Double plankDepth, bool animationEnabled)
{
if (Double.IsNaN(width) || Double.IsNaN(height) || width <= 0 || height <= 0) return null;
Canvas visual, labelCanvas, columnCanvas;
RenderHelper.RepareCanvas4Drawing(preExistingPanel as Canvas, out visual, out labelCanvas, out columnCanvas, width, height);
List<PlotGroup> plotGroupList = (from plots in plotDetails.PlotGroups where plots.RenderAs == chartType select plots).ToList();
Double depth3d = plankDepth / plotDetails.Layer3DCount * (chart.View3D ? 1 : 0);
Double visualOffset = depth3d * (plotDetails.SeriesDrawingIndex[plotGroupList[0].DataSeriesList[0]] + 1);
visual.SetValue(Canvas.TopProperty, visualOffset);
visual.SetValue(Canvas.LeftProperty, -visualOffset);
List<DataSeries> seriesList = plotDetails.GetSeriesListByRenderAs(chartType);
Dictionary<Axis, Dictionary<Axis, Int32>> seriesIndex = ColumnChart.GetSeriesIndex(seriesList);
Double minDiff, widthPerColumn, maxColumnWidth;
DataSeries currentDataSeries = null;
foreach (PlotGroup plotGroup in plotGroupList)
{
if (!seriesIndex.ContainsKey(plotGroup.AxisY))
continue;
currentDataSeries = plotGroup.DataSeriesList[0];
List<Double> xValuesList = plotGroup.XWiseStackedDataList.Keys.ToList();
plotGroup.DrawingIndex = seriesIndex[plotGroup.AxisY][plotGroup.AxisX];
widthPerColumn = CalculateWidthOfEachStackedColumn(chart, plotGroup, width, out minDiff, out maxColumnWidth);
Double limitingYValue = 0;
if (plotGroup.AxisY.InternalAxisMinimum > 0)
limitingYValue = (Double)plotGroup.AxisY.InternalAxisMinimum;
if (plotGroup.AxisY.InternalAxisMaximum < 0)
limitingYValue = (Double)plotGroup.AxisY.InternalAxisMaximum;
foreach (Double xValue in xValuesList)
{
DrawStackedColumnsAtXValue(chartType, xValue, plotGroup, columnCanvas, labelCanvas,
plotGroup.DrawingIndex, widthPerColumn, maxColumnWidth, limitingYValue, depth3d, animationEnabled);
}
}
// Apply animation
if (animationEnabled && currentDataSeries != null)
{
if (currentDataSeries.Storyboard == null)
currentDataSeries.Storyboard = new Storyboard();
// Apply animation to the marker and labels
currentDataSeries.Storyboard = AnimationHelper.ApplyOpacityAnimation(labelCanvas, currentDataSeries, currentDataSeries.Storyboard, 1, 1, 0, 1);
}
ColumnChart.CreateOrUpdatePlank(chart, plotGroupList[0].AxisY, columnCanvas, depth3d, Orientation.Horizontal);
// Remove old visual and add new visual in to the existing panel
if (preExistingPanel != null)
{
visual.Children.RemoveAt(1);
visual.Children.Add(columnCanvas);
}
else
{
labelCanvas.SetValue(Canvas.ZIndexProperty, 1);
visual.Children.Add(labelCanvas);
visual.Children.Add(columnCanvas);
}
RectangleGeometry clipRectangle = new RectangleGeometry();
clipRectangle.Rect = new Rect(0, -chart.ChartArea.PLANK_DEPTH - (chart.View3D ? 0 : 5), width + chart.ChartArea.PLANK_DEPTH, height + chart.ChartArea.PLANK_DEPTH + chart.ChartArea.PLANK_THICKNESS + (chart.View3D ? 0 : 10));
visual.Clip = clipRectangle;
return visual;
}
