public static void UpdateVisualForYValue4StackedColumnChart(RenderAs chartType, Chart chart, DataPoint dataPoint, Boolean isAxisChanged)
{
if (dataPoint.Faces == null)
return;
System.Diagnostics.Debug.WriteLine("Animate--YValue" + dataPoint.YValue.ToString() + " IsAxisChange=" + isAxisChanged.ToString());
Boolean animationEnabled = chart.AnimatedUpdate; // Whether the animation for the DataPoint is enabled
DataSeries dataSeries = dataPoint.Parent; // parent of the current DataPoint
Canvas dataPointVisual = dataPoint.Faces.Visual as Canvas; // Old visual for the column
Canvas labelCanvas = dataPoint.Faces.LabelCanvas;// (columnCanvas.Parent as Canvas).Children[0] as Canvas; // Parent canvas of Datapoint label
Canvas columnCanvas = (labelCanvas.Parent as Canvas).Children[1] as Canvas;
//dataSeries.Faces.Visual as Canvas;// dataPointVisual.Parent as Canvas; // Existing parent canvas of column
UpdateParentVisualCanvasSize(chart, columnCanvas);
UpdateParentVisualCanvasSize(chart, labelCanvas);
Double height = labelCanvas.Height;
Double width = labelCanvas.Width;
PlotGroup plotGroup = dataSeries.PlotGroup; // PlotGroup reference
// Calculate 3d depth for the DataPoints
Double depth3d = chart.ChartArea.PLANK_DEPTH / chart.PlotDetails.Layer3DCount * (chart.View3D ? 1 : 0);
// Calculate required parameters for Creating new Stacked Columns
Double minDiff, widthPerColumn, maxColumnWidth;
widthPerColumn = CalculateWidthOfEachStackedColumn(chart, plotGroup, width, out minDiff, out maxColumnWidth);
// List of effected DataPoints for the current update of YValue property of the DataPoint
XWiseStackedData effectedDataPoints = plotGroup.XWiseStackedDataList[dataPoint.InternalXValue];
// Marging all DataPoints in to single a single list of DataPoint
List<DataPoint> positiveList = effectedDataPoints.Positive.ToList();
List<DataPoint> negativeList = effectedDataPoints.Negative.ToList();
List<DataPoint> listOfDataPoint = new List<DataPoint>();
listOfDataPoint.AddRange(positiveList);
listOfDataPoint.AddRange(negativeList);
// Storing reference of old Visual
foreach(DataPoint dp in listOfDataPoint)
{
if (dp.Marker != null && dp.Marker.Visual != null)
dp._oldMarkerPosition = new Point((Double)dp.Marker.Visual.GetValue(Canvas.LeftProperty), (Double)dp.Marker.Visual.GetValue(Canvas.TopProperty));
if (dp.LabelVisual != null)
dp._oldLabelPosition = new Point((Double)dp.LabelVisual.GetValue(Canvas.LeftProperty), (Double)dp.LabelVisual.GetValue(Canvas.TopProperty));
if (dp.Faces != null)
{
dp._oldVisual = dp.Faces.Visual;
columnCanvas.Children.Remove(dp._oldVisual);
}
}
// Calculate limiting value
Double limitingYValue = (plotGroup.AxisY.InternalAxisMinimum > 0)? plotGroup.AxisY.InternalAxisMinimum : (plotGroup.AxisY.InternalAxisMaximum < 0)? plotGroup.AxisY.InternalAxisMaximum : 0;
// Create new Column with new YValue
DrawStackedColumnsAtXValue(chartType, dataPoint.InternalXValue, plotGroup, columnCanvas, labelCanvas, plotGroup.DrawingIndex, dataPointVisual.Width, maxColumnWidth, limitingYValue, depth3d, false);
Boolean isPositive;
if (animationEnabled)
{
// Create new Storyboard for animation
if (dataPoint.Storyboard != null)
{
dataPoint.Storyboard.Stop();
dataPoint.Storyboard = null;
}
dataPoint.Storyboard = new Storyboard();
// Whether to animate the top of DataPoint Visual
Boolean isAnimateTop = false;
// Loop through all Datapoints under the PlotGroup of the current DataPoint and apply animation
foreach (DataPoint dp in listOfDataPoint)
{
if (dp.Faces == null || dp._oldVisual == null)
continue;
FrameworkElement newVisual = dp.Faces.Visual; // New StackedColumn visual reference of DataPoint
Double oldTop = (Double)dp._oldVisual.GetValue(Canvas.TopProperty); // Top of the old visual of the DataPoint
Double newTop = (Double)newVisual.GetValue(Canvas.TopProperty); // Top of the new visual of the DataPoint
Double oldHeight = dp._oldVisual.Height; // Height of the old visual of the DataPoint
Double newHeight = newVisual.Height; // Height of the new visual of the DataPoint
Double oldScale = oldHeight / newHeight; // Scale value for the old DataPoint
System.Diagnostics.Debug.WriteLine("DataPoint--oldTop =" + oldTop.ToString() + " newTop=" + newTop.ToString() + "oldYValue=" + dp._oldYValue.ToString() + " newYValue=" + dp.InternalYValue.ToString());
if (dp == dataPoint)
{
isPositive = (dataPoint._oldYValue < 0 && dataPoint.InternalYValue > 0) ? true :
(dataPoint._oldYValue > 0 && dataPoint.InternalYValue < 0) ? false :
dp._oldYValue >= 0 ? true : false;
}
else
isPositive = dp.InternalYValue >= 0 ? true : false;
if (isPositive)
newVisual.RenderTransformOrigin = new Point(0.5, 1);
else
newVisual.RenderTransformOrigin = new Point(0.5, 0);
// Apply new RenderTransform to the DataPoint Visual
newVisual.RenderTransform = new ScaleTransform();
if(Double.IsInfinity(oldScale) || Double.IsNaN(oldScale))
oldScale = 0;
// if (oldScale > 1)
// oldScale = 1.1;
if (oldScale != 1)
dataPoint.Storyboard = AnimationHelper.ApplyPropertyAnimation(newVisual, "(UIElement.RenderTransform).(ScaleTransform.ScaleY)", dataPoint, dataPoint.Storyboard, 0,
new Double[] { 0, 1 }, new Double[] { oldScale, 1 }, null);
if ((isAnimateTop && oldTop != newTop) || (dp._oldYValue == dp.InternalYValue && oldTop != newTop))
{
System.Diagnostics.Debug.WriteLine("Animate Top ----");
newVisual.SetValue(Canvas.TopProperty, oldTop);
dataPoint.Storyboard = AnimationHelper.ApplyPropertyAnimation(newVisual, "(Canvas.Top)", dataPoint, dataPoint.Storyboard, 0,
new Double[] { 0, 1 }, new Double[] { oldTop, newTop }, null);
}
if (dp == dataPoint)
isAnimateTop = true;
// Apply animation to markers if marker exists
if (dp.Marker != null && dp.Marker.Visual != null)
{
Double markerNewTop = (Double)dp.Marker.Visual.GetValue(Canvas.TopProperty);
dataPoint.Storyboard = AnimationHelper.ApplyPropertyAnimation(dp.Marker.Visual, "(Canvas.Top)", dataPoint, dataPoint.Storyboard, 0,
new Double[] { 0, 1 }, new Double[] { dp._oldMarkerPosition.Y, markerNewTop }, null);
dp.Marker.Visual.SetValue(Canvas.TopProperty, dp._oldMarkerPosition.Y);
}
if (dp.LabelVisual != null)
{
Double labelNewTop = (Double)dp.LabelVisual.GetValue(Canvas.TopProperty);
dataPoint.Storyboard = AnimationHelper.ApplyPropertyAnimation(dp.LabelVisual, "(Canvas.Top)", dataPoint, dataPoint.Storyboard, 0,
new Double[] { 0, 1 }, new Double[] { dp._oldLabelPosition.Y, labelNewTop }, null);
dp.LabelVisual.SetValue(Canvas.TopProperty, dp._oldLabelPosition.Y);
}
dataPoint.Storyboard.SpeedRatio = 2;
// Remove old visual of the DataPoint from the columncanvas
dp._oldVisual = null;
}
dataPoint.Storyboard.SpeedRatio = 2;
// Begin storyboard animation
#if WPF
dataPoint.Storyboard.Begin(dataPoint.Chart._rootElement, true);
#else
dataPoint.Storyboard.Begin();
#endif
}
if (columnCanvas.Parent != null)
{
width = chart.ChartArea.ChartVisualCanvas.Width;
height = chart.ChartArea.ChartVisualCanvas.Height;
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));
(columnCanvas.Parent as Canvas).Clip = clipRectangle;
}
if (dataPoint.Parent.SelectionEnabled && dataPoint.Selected)
dataPoint.Select(true);
}
// Canvas bubleChartCanvas, DataPoint dataPoint, Double minimumZVal, Double maximumZVal, Double plotWidth, Double plotHeight
private static void CreateOrUpdateAPointDataPoint(Canvas pointChartCanvas, DataPoint dataPoint, Double plotAreaWidth, Double plotAreaHeight)
{
Faces dpFaces = dataPoint.Faces;
// Remove preexisting dataPoint visual and label visual
if (dpFaces != null && dpFaces.Visual != null && pointChartCanvas == dpFaces.Visual.Parent)
{
pointChartCanvas.Children.Remove(dataPoint.Faces.Visual);
//dpFaces = null;
}
dataPoint.Faces = null;
dpFaces = new Faces();
if (Double.IsNaN(dataPoint.InternalYValue) || (dataPoint.Enabled == false))
return;
Chart chart = dataPoint.Chart as Chart;
PlotGroup plotGroup = dataPoint.Parent.PlotGroup;
Double xPosition = Graphics.ValueToPixelPosition(0, plotAreaWidth, (Double)plotGroup.AxisX.InternalAxisMinimum, (Double)plotGroup.AxisX.InternalAxisMaximum, dataPoint.InternalXValue);
Double yPosition = Graphics.ValueToPixelPosition(plotAreaHeight, 0, (Double)plotGroup.AxisY.InternalAxisMinimum, (Double)plotGroup.AxisY.InternalAxisMaximum, dataPoint.InternalYValue);
Brush markerColor = dataPoint.Color;
//markerColor = (chart.View3D ? Graphics.GetLightingEnabledBrush3D(markerColor) :
// ((Boolean)dataPoint.LightingEnabled ? Graphics.GetLightingEnabledBrush(markerColor, "Linear", null) : markerColor));
markerColor = (chart.View3D ? Graphics.Get3DBrushLighting(dataPoint.Color, (Boolean)dataPoint.LightingEnabled) :
((Boolean)dataPoint.LightingEnabled ? Graphics.GetLightingEnabledBrush(markerColor, "Linear", null) : markerColor));
Size markerSize = new Size((Double)dataPoint.MarkerSize, (Double)dataPoint.MarkerSize);
Boolean markerBevel = false;
String labelText = (Boolean)dataPoint.LabelEnabled ? dataPoint.TextParser(dataPoint.LabelText) : "";
Marker marker = new Marker((MarkerTypes)dataPoint.MarkerType, (Double)dataPoint.MarkerScale, markerSize, markerBevel, markerColor, labelText);
marker.Tag = new ElementData() { Element = dataPoint };
marker.ShadowEnabled = (Boolean)dataPoint.ShadowEnabled;
if (!VisifireControl.IsMediaEffectsEnabled)
marker.PixelLavelShadow = false;
else
marker.PixelLavelShadow = true;
marker.MarkerSize = new Size((Double)dataPoint.MarkerSize, (Double)dataPoint.MarkerSize);
if (marker.MarkerType != MarkerTypes.Cross)
{
if (dataPoint.BorderColor != null)
marker.BorderColor = dataPoint.BorderColor;
}
else
marker.BorderColor = markerColor;
marker.BorderThickness = ((Thickness)dataPoint.MarkerBorderThickness).Left;
if (!String.IsNullOrEmpty(labelText))
{
marker.FontColor = Chart.CalculateDataPointLabelFontColor(chart, dataPoint, dataPoint.LabelFontColor, LabelStyles.OutSide);
marker.FontSize = (Double)dataPoint.LabelFontSize;
marker.FontWeight = (FontWeight)dataPoint.LabelFontWeight;
marker.FontFamily = dataPoint.LabelFontFamily;
marker.FontStyle = (FontStyle)dataPoint.LabelFontStyle;
marker.TextBackground = dataPoint.LabelBackground;
marker.TextAlignmentX = AlignmentX.Center;
marker.TextAlignmentY = AlignmentY.Center;
if (!Double.IsNaN(dataPoint.LabelAngle) && dataPoint.LabelAngle != 0)
{
marker.LabelAngle = dataPoint.LabelAngle;
marker.TextOrientation = Orientation.Vertical;
marker.TextAlignmentX = AlignmentX.Center;
marker.TextAlignmentY = AlignmentY.Center;
marker.LabelStyle = (LabelStyles)dataPoint.LabelStyle;
}
marker.CreateVisual();
if (Double.IsNaN(dataPoint.LabelAngle) || dataPoint.LabelAngle == 0)
{
if ((yPosition - marker.TextBlockSize.Height / 2) < 0)
marker.TextAlignmentY = AlignmentY.Bottom;
else if ((yPosition + marker.TextBlockSize.Height / 2) > plotAreaHeight)
marker.TextAlignmentY = AlignmentY.Top;
if ((xPosition - marker.TextBlockSize.Width / 2) < 0)
marker.TextAlignmentX = AlignmentX.Right;
else if ((xPosition + marker.TextBlockSize.Width / 2) > plotAreaWidth)
marker.TextAlignmentX = AlignmentX.Left;
}
}
//marker.LabelEnabled =(Boolean) dataPoint.LabelEnabled;
//marker.TextBackground = dataPoint.LabelBackground;
//marker.FontColor = Chart.CalculateDataPointLabelFontColor(chart, dataPoint, dataPoint.LabelFontColor, LabelStyles.OutSide);
//marker.FontSize = (Double)dataPoint.LabelFontSize;
//marker.FontWeight = (FontWeight)dataPoint.LabelFontWeight;
//marker.FontFamily = dataPoint.LabelFontFamily;
//marker.FontStyle = (FontStyle)dataPoint.LabelFontStyle;
//marker.TextAlignmentX = AlignmentX.Center;
//marker.TextAlignmentY = AlignmentY.Center;
marker.CreateVisual();
marker.Visual.Opacity = (Double)dataPoint.Opacity * (Double)dataPoint.Parent.Opacity;
marker.AddToParent(pointChartCanvas, xPosition, yPosition, new Point(0.5, 0.5));
dataPoint._visualPosition = new Point(xPosition, yPosition);
dpFaces.VisualComponents.Add(marker.Visual);
dpFaces.Visual = marker.Visual;
dpFaces.BorderElements.Add(marker.MarkerShape);
dataPoint.Marker = marker;
dataPoint.Faces = dpFaces;
dataPoint.Faces.Visual.Opacity = (Double)dataPoint.Opacity * (Double)dataPoint.Parent.Opacity;
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint);
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint.Parent);
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
if(!chart.IndicatorEnabled)
dataPoint.AttachToolTip(chart, dataPoint, dataPoint.Faces.VisualComponents);
dataPoint.AttachHref(chart, dataPoint.Faces.VisualComponents, dataPoint.Href, (HrefTargets)dataPoint.HrefTarget);
dataPoint.SetCursor2DataPointVisualFaces();
if (dataPoint.Parent.SelectionEnabled && dataPoint.Selected)
dataPoint.Select(true);
}
private static void ApplySelectionChanged(DataPoint dataPoint, Boolean selectedValue)
{
if (dataPoint.Parent == null)
return;
Boolean selected = selectedValue & dataPoint.Parent.SelectionEnabled;
if (selected)
{
dataPoint.Select(true);
if(dataPoint.Parent.SelectionMode == SelectionModes.Single || dataPoint.Parent.RenderAs == RenderAs.SectionFunnel || dataPoint.Parent.RenderAs == RenderAs.StreamLineFunnel)
dataPoint.DeSelectOthers();
}
else
dataPoint.DeSelect(dataPoint , true, true);
}
private static void UpdateDataPoint(DataPoint dataPoint, VcProperties property, object newValue, Boolean isAxisChanged)
{
Chart chart = dataPoint.Chart as Chart;
DataSeries dataSeries = dataPoint.Parent;
PlotGroup plotGroup = dataSeries.PlotGroup;
Faces dsFaces = dataSeries.Faces;
Faces dpFaces = dataPoint.Faces;
Double dataPointWidth;
if (dsFaces != null)
ColumnChart.UpdateParentVisualCanvasSize(chart, dsFaces.Visual as Canvas);
if (dpFaces != null && dpFaces.Visual != null)
dataPointWidth = dpFaces.Visual.Width;
else if (dsFaces == null)
return;
else
dataPointWidth = CalculateDataPointWidth(dsFaces.Visual.Width, dsFaces.Visual.Height, chart);
switch (property)
{
case VcProperties.BorderThickness:
ApplyOrUpdateBorder(dataPoint, dataPointWidth);
ApplyOrRemoveBevel(dataPoint, dataPointWidth);
break;
case VcProperties.BorderStyle:
ApplyOrUpdateBorder(dataPoint, dataPointWidth);
break;
case VcProperties.BorderColor:
ApplyOrUpdateBorder(dataPoint, dataPointWidth);
break;
case VcProperties.Bevel:
ApplyOrRemoveBevel(dataPoint, dataPointWidth);
break;
case VcProperties.Color:
case VcProperties.PriceUpColor:
case VcProperties.PriceDownColor:
ApplyOrUpdateColorForACandleStick(dataPoint);
break;
case VcProperties.Cursor:
dataPoint.SetCursor2DataPointVisualFaces();
break;
case VcProperties.Href:
dataPoint.SetHref2DataPointVisualFaces();
break;
case VcProperties.HrefTarget:
dataPoint.SetHref2DataPointVisualFaces();
break;
case VcProperties.LabelBackground:
case VcProperties.LabelEnabled:
case VcProperties.LabelFontColor:
case VcProperties.LabelFontFamily:
case VcProperties.LabelFontStyle:
case VcProperties.LabelFontSize:
case VcProperties.LabelFontWeight:
case VcProperties.LabelStyle:
case VcProperties.LabelText:
CreateAndPositionLabel(dsFaces.LabelCanvas, dataPoint);
break;
case VcProperties.LegendText:
chart.InvokeRender();
break;
case VcProperties.LightingEnabled:
ApplyOrUpdateColorForACandleStick(dataPoint);
break;
//case VcProperties.MarkerBorderColor:
//case VcProperties.MarkerBorderThickness:
//case VcProperties.MarkerColor:
//case VcProperties.MarkerEnabled:
//case VcProperties.MarkerScale:
//case VcProperties.MarkerSize:
//case VcProperties.MarkerType:
case VcProperties.ShadowEnabled:
ApplyOrRemoveShadow(dataPoint, dataPointWidth);
break;
case VcProperties.Opacity:
dpFaces.Visual.Opacity = dataSeries.Opacity * dataPoint.Opacity;
break;
case VcProperties.ShowInLegend:
chart.InvokeRender();
break;
case VcProperties.ToolTipText:
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
break;
case VcProperties.XValueFormatString:
case VcProperties.YValueFormatString:
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
CreateAndPositionLabel(dsFaces.LabelCanvas, dataPoint);
break;
case VcProperties.XValueType:
chart.InvokeRender();
break;
case VcProperties.Enabled:
CreateOrUpdateACandleStick(dataPoint, dsFaces.Visual as Canvas, dsFaces.LabelCanvas, dsFaces.Visual.Width, dsFaces.Visual.Height, dataPointWidth);
break;
case VcProperties.XValue:
case VcProperties.YValues:
if (isAxisChanged)
UpdateDataSeries(dataSeries, property, newValue, isAxisChanged);
else
{
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
UpdateYValueAndXValuePosition(dataPoint, dsFaces.Visual.Width, dsFaces.Visual.Height, dpFaces.Visual.Width);
if ((Boolean)dataPoint.LabelEnabled)
CreateAndPositionLabel(dsFaces.LabelCanvas, dataPoint);
}
if (dataPoint.Parent.SelectionEnabled && dataPoint.Selected)
dataPoint.Select(true);
break;
}
}
private static void UpdateDataPoint(DataPoint dataPoint, VcProperties property, object newValue, Boolean isAxisChanged)
{
Chart chart = dataPoint.Chart as Chart;
if (chart == null)
return;
DataSeries dataSeries = dataPoint.Parent;
PlotGroup plotGroup = dataSeries.PlotGroup;
Faces dsFaces = dataSeries.Faces;
Faces dpFaces = dataPoint.Faces;
Double dataPointWidth;
if (dsFaces != null)
ColumnChart.UpdateParentVisualCanvasSize(chart, dsFaces.Visual as Canvas);
if (dpFaces != null && dpFaces.Visual != null)
dataPointWidth = dpFaces.Visual.Width;
else if (dsFaces == null)
return;
else
dataPointWidth = CandleStick.CalculateDataPointWidth(dsFaces.Visual.Width, dsFaces.Visual.Height, chart);
if (property == VcProperties.Enabled || (dpFaces == null && (property == VcProperties.XValue || property == VcProperties.YValues)))
{
CreateOrUpdateAStockDataPoint(dataPoint, dsFaces.Visual as Canvas, dsFaces.LabelCanvas, dsFaces.Visual.Width, dsFaces.Visual.Height, dataPointWidth);
return;
}
if (dpFaces == null)
return;
Canvas dataPointVisual = dpFaces.Visual as Canvas; // DataPoint visual canvas
Line highLowLine = dpFaces.VisualComponents[0] as Line; // HighLowline
Line closeLine = dpFaces.VisualComponents[1] as Line; // Closeline
Line openLine = dpFaces.VisualComponents[2] as Line; // Openline
switch (property)
{
case VcProperties.BorderThickness:
case VcProperties.BorderStyle:
ApplyBorderProperties(dataPoint, highLowLine, openLine, closeLine, dataPointWidth);
break;
case VcProperties.Color:
ApplyOrUpdateColorForAStockDp(dataPoint, highLowLine, openLine, closeLine);
break;
case VcProperties.Cursor:
dataPoint.SetCursor2DataPointVisualFaces();
break;
case VcProperties.Href:
dataPoint.SetHref2DataPointVisualFaces();
break;
case VcProperties.HrefTarget:
dataPoint.SetHref2DataPointVisualFaces();
break;
case VcProperties.LabelBackground:
case VcProperties.LabelEnabled:
case VcProperties.LabelFontColor:
case VcProperties.LabelFontFamily:
case VcProperties.LabelFontStyle:
case VcProperties.LabelFontSize:
case VcProperties.LabelFontWeight:
case VcProperties.LabelStyle:
case VcProperties.LabelText:
CandleStick.CreateAndPositionLabel(dsFaces.LabelCanvas, dataPoint);
break;
case VcProperties.LegendText:
chart.InvokeRender();
break;
case VcProperties.LightingEnabled:
ApplyOrUpdateColorForAStockDp(dataPoint, highLowLine, openLine, closeLine);
break;
//case VcProperties.MarkerBorderColor:
//case VcProperties.MarkerBorderThickness:
//case VcProperties.MarkerColor:
//case VcProperties.MarkerEnabled:
//case VcProperties.MarkerScale:
//case VcProperties.MarkerSize:
//case VcProperties.MarkerType:
case VcProperties.ShadowEnabled:
ApplyOrUpdateShadow(dataPoint, dataPointVisual, highLowLine, openLine, closeLine, dataPointWidth);
break;
case VcProperties.Opacity:
dpFaces.Visual.Opacity = (Double)dataSeries.Opacity * (Double)dataPoint.Opacity;
break;
case VcProperties.ShowInLegend:
chart.InvokeRender();
break;
case VcProperties.ToolTipText:
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
break;
case VcProperties.XValueFormatString:
case VcProperties.YValueFormatString:
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
CandleStick.CreateAndPositionLabel(dsFaces.LabelCanvas, dataPoint);
break;
case VcProperties.XValueType:
chart.InvokeRender();
break;
case VcProperties.Enabled:
CreateOrUpdateAStockDataPoint(dataPoint, dsFaces.Visual as Canvas, dsFaces.LabelCanvas, dsFaces.Visual.Width, dsFaces.Visual.Height, dataPointWidth);
break;
case VcProperties.XValue:
case VcProperties.YValue:
case VcProperties.YValues:
if (isAxisChanged || dataPoint.InternalYValues == null)
UpdateDataSeries(dataSeries, property, newValue, isAxisChanged);
else
{
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
UpdateYValueAndXValuePosition(dataPoint, dsFaces.Visual.Width, dsFaces.Visual.Height, dpFaces.Visual.Width);
if ((Boolean)dataPoint.LabelEnabled)
CandleStick.CreateAndPositionLabel(dsFaces.LabelCanvas, dataPoint);
}
if (dataPoint.Parent.SelectionEnabled && dataPoint.Selected)
dataPoint.Select(true);
break;
}
}
public static void UpdateVisualForYValue4StackedBarChart(RenderAs chartType, Chart chart, DataPoint dataPoint, Boolean isAxisChanged)
{
//if (dataPoint.Faces == null)
// return;
if (chart != null && !chart._internalPartialUpdateEnabled)
return;
Boolean animationEnabled = (Boolean)chart.AnimatedUpdate; // Whether the animation for the DataPoint is enabled
DataSeries dataSeries = dataPoint.Parent; // parent of the current DataPoint
Canvas columnCanvas, labelCanvas;
PlotGroup plotGroup = dataSeries.PlotGroup; // PlotGroup reference
// Calculate 3d depth for the DataPoints
Double depth3d = chart.ChartArea.PLANK_DEPTH / chart.PlotDetails.Layer3DCount * (chart.View3D ? 1 : 0);
// Calculate required parameters for Creating new Stacked Columns
Double minDiff, heightPerBar, maxBarHeight;
// Calculate limiting value
Double limitingYValue = (plotGroup.AxisY.InternalAxisMinimum > 0) ? plotGroup.AxisY.InternalAxisMinimum : (plotGroup.AxisY.InternalAxisMaximum < 0) ? plotGroup.AxisY.InternalAxisMaximum : 0;
if (dataPoint.Faces == null)
{
if (dataSeries != null && dataSeries.Faces != null)
{
labelCanvas = dataSeries.Faces.LabelCanvas as Canvas;
columnCanvas = dataSeries.Faces.Visual as Canvas;
heightPerBar = CalculateWidthOfEachStackedColumn(chart, plotGroup, columnCanvas.Height, out minDiff, out maxBarHeight);
if (dataPoint.Parent.RenderAs == RenderAs.StackedBar || dataPoint.Parent.RenderAs == RenderAs.StackedBar100)
{
// Create new Column with new YValue
BarChart.DrawStackedBarsAtXValue(chartType, dataPoint.InternalXValue, plotGroup, columnCanvas, labelCanvas, plotGroup.DrawingIndex, heightPerBar, maxBarHeight, limitingYValue, depth3d, false);
}
if (dataPoint.Faces == null)
return;
}
else
{
UpdateDataSeries(dataSeries, VcProperties.YValue, null);
return;
}
}
Canvas dataPointVisual = dataPoint.Faces.Visual as Canvas; // Old visual for the column
labelCanvas = dataPoint.Faces.LabelCanvas; // Parent canvas of Datapoint label
if (labelCanvas == null)
return;
columnCanvas = (labelCanvas.Parent as Canvas).Children[1] as Canvas;//dataPointVisual.Parent as Canvas; // Existing parent canvas of column
heightPerBar = CalculateWidthOfEachStackedColumn(chart, plotGroup, columnCanvas.Height, out minDiff, out maxBarHeight);
UpdateParentVisualCanvasSize(chart, columnCanvas);
UpdateParentVisualCanvasSize(chart, labelCanvas);
// List of effected DataPoints for the current update of YValue property of the DataPoint
XWiseStackedData effectedDataPoints = plotGroup.XWiseStackedDataList[dataPoint.InternalXValue];
// Marging all DataPoints in to single a single list of DataPoint
List<DataPoint> positiveList = effectedDataPoints.Positive.ToList();
List<DataPoint> negativeList = effectedDataPoints.Negative.ToList();
List<DataPoint> listOfDataPoint = new List<DataPoint>();
listOfDataPoint.AddRange(positiveList);
listOfDataPoint.AddRange(negativeList);
// Storing reference of old Visual
foreach (DataPoint dp in listOfDataPoint)
{
if (dp.Marker != null && dp.Marker.Visual != null)
dp._oldMarkerPosition = new Point((Double)dp.Marker.Visual.GetValue(Canvas.LeftProperty), (Double)dp.Marker.Visual.GetValue(Canvas.TopProperty));
if (dp.LabelVisual != null)
dp._oldLabelPosition = new Point((Double)dp.LabelVisual.GetValue(Canvas.LeftProperty), (Double)dp.LabelVisual.GetValue(Canvas.TopProperty));
if (dp.Faces != null)
{
dp._oldVisual = dp.Faces.Visual;
columnCanvas.Children.Remove(dp._oldVisual);
CleanUpMarkerAndLabel(dp, labelCanvas);
}
}
// Create new Column with new YValue
BarChart.DrawStackedBarsAtXValue(chartType, dataPoint.InternalXValue, plotGroup, columnCanvas, labelCanvas, plotGroup.DrawingIndex, dataPointVisual.Height, maxBarHeight, limitingYValue, depth3d, false);
if (dataSeries.ToolTipElement != null)
dataSeries.ToolTipElement.Hide();
CreateOrUpdatePlank(chart, dataSeries.PlotGroup.AxisY, columnCanvas, depth3d,
(dataPoint.Parent.RenderAs == RenderAs.StackedColumn || dataPoint.Parent.RenderAs == RenderAs.StackedColumn100) ? Orientation.Horizontal : Orientation.Vertical);
Boolean isPositive;
if (animationEnabled)
{
// Create new Storyboard for animation
if (dataPoint.Storyboard != null)
{
dataPoint.Storyboard.Stop();
//dataPoint.Storyboard = null;
dataPoint.Storyboard.Children.Clear();
}
if (dataPoint.Storyboard == null)
dataPoint.Storyboard = new Storyboard();
// Whether to animate the top of DataPoint Visual
Boolean isAnimateLeft = false;
// Loop through all Datapoints under the PlotGroup of the current DataPoint and apply animation
foreach (DataPoint dp in listOfDataPoint)
{
if (dp.Faces == null || dp._oldVisual == null)
continue;
FrameworkElement newVisual = dp.Faces.Visual; // New StackedColumn visual reference of DataPoint
Double oldLeft = (Double)dp._oldVisual.GetValue(Canvas.LeftProperty); // Left of the old visual of the DataPoint
Double newLeft = (Double)newVisual.GetValue(Canvas.LeftProperty); // Left of the new visual of the DataPoint
Double oldWidth = dp._oldVisual.Width; // Width of the old visual of the DataPoint
Double newWidth = newVisual.Width; // Width of the new visual of the DataPoint
Double oldScale = oldWidth / newWidth; // Scale value for the old DataPoint
if (dp == dataPoint)
{
isPositive = (dataPoint._oldYValue < 0 && dataPoint.InternalYValue > 0) ? true :
(dataPoint._oldYValue > 0 && dataPoint.InternalYValue < 0) ? false :
dp._oldYValue >= 0 ? true : false;
}
else
isPositive = dp.InternalYValue >= 0 ? true : false;
if (isPositive)
newVisual.RenderTransformOrigin = new Point(0, 0.5);
else
newVisual.RenderTransformOrigin = new Point(1, 0.5);
// Apply new RenderTransform to the DataPoint Visual
newVisual.RenderTransform = new ScaleTransform();
if (Double.IsInfinity(oldScale) || Double.IsNaN(oldScale))
oldScale = 0;
if (oldScale != 1)
dataPoint.Storyboard = AnimationHelper.ApplyPropertyAnimation(newVisual, "(UIElement.RenderTransform).(ScaleTransform.ScaleX)", dataPoint, dataPoint.Storyboard, 0,
new Double[] { 0, 1 }, new Double[] { oldScale, 1 }, null);
if ((isAnimateLeft && oldLeft != newLeft) || dp._oldYValue == dp.InternalYValue && oldLeft != newLeft)
{
newVisual.SetValue(Canvas.LeftProperty, oldLeft);
dataPoint.Storyboard = AnimationHelper.ApplyPropertyAnimation(newVisual, "(Canvas.Left)", dataPoint, dataPoint.Storyboard, 0,
new Double[] { 0, 1 }, new Double[] { oldLeft, newLeft }, null);
}
if (dp == dataPoint)
isAnimateLeft = true;
// Apply animation to markers if marker exists
if (dp.Marker != null && dp.Marker.Visual != null)
{
Double markerNewLeft = (Double)dp.Marker.Visual.GetValue(Canvas.LeftProperty);
dp.Marker.Visual.SetValue(Canvas.LeftProperty, dp._oldMarkerPosition.X);
dataPoint.Storyboard = AnimationHelper.ApplyPropertyAnimation(dp.Marker.Visual, "(Canvas.Left)", dataPoint, dataPoint.Storyboard, 0,
new Double[] { 0, 1 }, new Double[] { dp._oldMarkerPosition.X, markerNewLeft }, null);
}
if (dp.LabelVisual != null)
{
Double labelNewLeft = (Double)dp.LabelVisual.GetValue(Canvas.LeftProperty);
System.Diagnostics.Debug.WriteLine("oldPos=" + dp._oldLabelPosition.X.ToString() + " NewPos=" + labelNewLeft.ToString());
dp.LabelVisual.SetValue(Canvas.LeftProperty, dp._oldLabelPosition.X);
dataPoint.Storyboard = AnimationHelper.ApplyPropertyAnimation(dp.LabelVisual, "(Canvas.Left)", dataPoint, dataPoint.Storyboard, 0,
new Double[] { 0, 1 }, new Double[] { dp._oldLabelPosition.X, labelNewLeft }, null);
}
dataPoint.Storyboard.SpeedRatio = 2;
// Remove old visual of the DataPoint from the columncanvas
dp._oldVisual = null;
}
dataPoint.Storyboard.SpeedRatio = 2;
// Begin storyboard animation
#if WPF
dataPoint.Storyboard.Begin(dataPoint.Chart._rootElement, true);
#else
dataPoint.Storyboard.Begin();
#endif
}
if (columnCanvas.Parent != null)
{
Double width = chart.ChartArea.ChartVisualCanvas.Width;
Double height = chart.ChartArea.ChartVisualCanvas.Height;
RectangleGeometry clipRectangle = new RectangleGeometry();
clipRectangle.Rect = new Rect(-(chart.View3D ? 0 : 5) - chart.ChartArea.PLANK_THICKNESS, -chart.ChartArea.PLANK_DEPTH, width + chart.ChartArea.PLANK_DEPTH + chart.ChartArea.PLANK_THICKNESS + (chart.View3D ? 0 : 10)
, height + chart.ChartArea.PLANK_DEPTH);
(columnCanvas.Parent as Canvas).Clip = clipRectangle;
}
if (dataPoint.Parent.SelectionEnabled && dataPoint.Selected)
dataPoint.Select(true);
}
private static void CreateOrUpdateAPointDataPoint(Canvas bubleChartCanvas, DataPoint dataPoint, Double minimumZVal, Double maximumZVal, Double plotWidth, Double plotHeight)
{
Faces dpFaces = dataPoint.Faces;
// Remove preexisting dataPoint visual and label visual
if (dpFaces != null && dpFaces.Visual != null && bubleChartCanvas == dpFaces.Visual.Parent)
{
bubleChartCanvas.Children.Remove(dataPoint.Faces.Visual);
// dpFaces = null;
}
dataPoint.Faces = null;
if (Double.IsNaN(dataPoint.InternalYValue) || (dataPoint.Enabled == false))
return;
Chart chart = dataPoint.Chart as Chart;
PlotGroup plotGroup = dataPoint.Parent.PlotGroup;
Canvas dataPointVisual = new Canvas();
Faces bubbleFaces = new Faces();
Double xPosition = Graphics.ValueToPixelPosition(0, plotWidth, (Double)plotGroup.AxisX.InternalAxisMinimum, (Double)plotGroup.AxisX.InternalAxisMaximum, dataPoint.InternalXValue);
Double yPosition = Graphics.ValueToPixelPosition(plotHeight, 0, (Double)plotGroup.AxisY.InternalAxisMinimum, (Double)plotGroup.AxisY.InternalAxisMaximum, dataPoint.InternalYValue);
Brush markerColor = dataPoint.Color;
markerColor = (chart.View3D ? Graphics.Get3DBrushLighting(markerColor, (Boolean)dataPoint.LightingEnabled) : ((Boolean)dataPoint.LightingEnabled ? Graphics.GetLightingEnabledBrush(markerColor, "Linear", null) : markerColor));
String labelText = (Boolean)dataPoint.LabelEnabled ? dataPoint.TextParser(dataPoint.LabelText) : "";
Marker marker = new Marker((MarkerTypes)dataPoint.MarkerType, 1, new Size(6,6), false, markerColor, labelText);
dataPoint.Marker = marker;
ApplyZValue(dataPoint, minimumZVal, maximumZVal, plotWidth, plotHeight);
marker.ShadowEnabled = (Boolean)dataPoint.ShadowEnabled;
if (dataPoint.BorderColor != null)
marker.BorderColor = dataPoint.BorderColor;
marker.TextBackground = dataPoint.LabelBackground;
marker.BorderThickness = ((Thickness)dataPoint.MarkerBorderThickness).Left;
marker.TextAlignmentX = AlignmentX.Center;
marker.TextAlignmentY = AlignmentY.Center;
marker.Tag = new ElementData() { Element = dataPoint };
Double gap = ((Double)dataPoint.MarkerScale * (Double)dataPoint.MarkerSize) / 2;
if (!String.IsNullOrEmpty(labelText))
{
marker.FontColor = Chart.CalculateDataPointLabelFontColor(chart, dataPoint, dataPoint.LabelFontColor, LabelStyles.OutSide);
marker.FontSize = (Double)dataPoint.LabelFontSize;
marker.FontWeight = (FontWeight)dataPoint.LabelFontWeight;
marker.FontFamily = dataPoint.LabelFontFamily;
marker.FontStyle = (FontStyle)dataPoint.LabelFontStyle;
marker.TextBackground = dataPoint.LabelBackground;
marker.TextAlignmentX = AlignmentX.Center;
marker.TextAlignmentY = AlignmentY.Center;
if (!Double.IsNaN(dataPoint.LabelAngle) && dataPoint.LabelAngle != 0)
{
marker.LabelAngle = dataPoint.LabelAngle;
marker.TextOrientation = Orientation.Vertical;
marker.TextAlignmentX = AlignmentX.Center;
marker.TextAlignmentY = AlignmentY.Center;
marker.LabelStyle = (LabelStyles)dataPoint.LabelStyle;
}
marker.CreateVisual();
if (Double.IsNaN(dataPoint.LabelAngle) || dataPoint.LabelAngle == 0)
{
if (yPosition - gap < 0 && (yPosition - marker.TextBlockSize.Height / 2) < 0)
marker.TextAlignmentY = AlignmentY.Bottom;
else if (yPosition + gap > plotHeight && (yPosition + marker.TextBlockSize.Height / 2) > plotHeight)
marker.TextAlignmentY = AlignmentY.Top;
if (xPosition - gap < 0 && (xPosition - marker.TextBlockSize.Width / 2) < 0)
marker.TextAlignmentX = AlignmentX.Right;
else if (xPosition + gap > plotWidth && (xPosition + marker.TextBlockSize.Width / 2) > plotWidth)
marker.TextAlignmentX = AlignmentX.Left;
}
}
marker.PixelLavelShadow = false; // pixelLavelShadow;
marker.CreateVisual();
UpdateBubblePositionAccording2XandYValue(dataPoint, plotWidth, plotHeight, false, 0, 0);
bubleChartCanvas.Children.Add(marker.Visual);
bubbleFaces.Parts.Add(marker.MarkerShape);
bubbleFaces.VisualComponents.Add(marker.Visual);
bubbleFaces.BorderElements.Add(marker.MarkerShape);
bubbleFaces.Visual = marker.Visual;
dataPoint.Faces = bubbleFaces;
dataPoint.Faces.Visual.Opacity = dataPoint.Opacity * dataPoint.Parent.Opacity;
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint);
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint.Parent);
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
dataPoint.AttachToolTip(chart, dataPoint, dataPoint.Faces.VisualComponents);
dataPoint.AttachHref(chart, dataPoint.Faces.VisualComponents, dataPoint.Href, (HrefTargets)dataPoint.HrefTarget);
dataPoint.SetCursor2DataPointVisualFaces();
if (dataPoint.Parent.SelectionEnabled && dataPoint.Selected)
dataPoint.Select(true);
}
