/// <summary>
/// Initializes a new instance of the Visifire.Charts.AxisLabels class
/// </summary>
public AxisLabels()
{
// Apply default style from generic
#if WPF
if (!_defaultStyleKeyApplied)
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(AxisLabels), new FrameworkPropertyMetadata(typeof(AxisLabels)));
_defaultStyleKeyApplied = true;
}
#else
DefaultStyleKey = typeof(AxisLabels);
#endif
WidthOfACharacter = Double.NaN;
InternalAngle = Double.NaN;
_tag = new ElementData() { Element = this };
}
/// <summary>
/// Initializes a new instance of the Visifire.Charts.CustomAxisLabels class
/// </summary>
public CustomAxisLabels()
{
// Apply default style from generic
#if WPF
if (!_defaultStyleKeyApplied)
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(CustomAxisLabels), new FrameworkPropertyMetadata(typeof(CustomAxisLabels)));
_defaultStyleKeyApplied = true;
}
#else
DefaultStyleKey = typeof(CustomAxisLabels);
#endif
WidthOfACharacter = Double.NaN;
InternalAngle = Double.NaN;
_tag = new ElementData() { Element = this };
// Initialize CustomAxisLabels list
Labels = new CustomAxisLabelCollection();
Labels.CollectionChanged += new NotifyCollectionChangedEventHandler(Labels_CollectionChanged);
}
/// <summary>
/// Create visual for AxisLabel
/// </summary>
internal void CreateVisualObject(Boolean positioningAllowed, ElementData tag)
{
Visual = new Canvas() { Tag = tag };
TextElement = new TextBlock() { Tag = tag };
Rotation = new RotateTransform();
TextElement.RenderTransform = Rotation;
Visual.Children.Add(TextElement);
ApplyProperties(this);
CalculateTextElementSize();
if (positioningAllowed)
SetPosition();
// calculate the actual size of the AxisLabel element
CalculateSize(GetRadians(Angle));
}
/// <summary>
/// Create visual for AxisLabel
/// </summary>
internal void CreateVisualObject(ElementData tag)
{
TextElement = new TextBlock() { Tag = tag };
Rotation = new RotateTransform();
TextElement.RenderTransform = Rotation;
Visual = TextElement;
ApplyProperties(this);
CalculateTextElementSize();
//if (positioningAllowed)
// SetPosition();
// calculate the actual size of the AxisLabel element
CalculateSize(GetRadians(Angle));
}
/// <summary>
/// Create visual object of the Legend
/// </summary>
internal void CreateVisualObject()
{
if (!(Boolean)Enabled)
{
Visual = null;
return;
}
ElementData tag = new ElementData { Element = this, VisualElementName = "Legend" };
Visual = new Border() { Tag = tag };
Grid innerGrid = new Grid() { Tag = tag };
(Visual as Border).Child = innerGrid;
LegendContainer = new StackPanel() { Tag = tag };
if (!String.IsNullOrEmpty(Title))
{
Title legendTitle = new Title();
ApplyFontProperty(legendTitle);
if (TitleBackground != null)
legendTitle.InternalBackground = TitleBackground;
legendTitle.InternalHorizontalAlignment = TitleAlignmentX;
legendTitle.InternalVerticalAlignment = VerticalAlignment.Top;
legendTitle.TextAlignment = TitleTextAlignment;
legendTitle.CreateVisualObject(tag);
legendTitle.Measure(new Size(Double.MaxValue, Double.MaxValue));
if (legendTitle.DesiredSize.Width > InternalMaxWidth)
legendTitle.Visual.Width = InternalMaxWidth;
LegendContainer.Children.Add(legendTitle.Visual);
}
Grid legendContent = CreateLegendContent();
legendContent.Tag = tag;
LegendContainer.Children.Add(legendContent);
LegendContainer.VerticalAlignment = VerticalAlignment.Center;
LegendContainer.HorizontalAlignment = HorizontalAlignment.Stretch;
ApplyVisualProperty();
innerGrid.Children.Add(LegendContainer);
Visual.Cursor = this.Cursor;
Visual.Measure(new Size(Double.MaxValue, Double.MaxValue));
if (!Double.IsPositiveInfinity(InternalMaxHeight) && InternalMaxHeight < Visual.DesiredSize.Height)
Visual.Height = InternalMaxHeight;
else
Visual.Height = Visual.DesiredSize.Height;
if (!Double.IsPositiveInfinity(InternalMaxWidth) && InternalMaxWidth < Visual.DesiredSize.Width + InternalPadding.Left)
Visual.Width = InternalMaxWidth;
else if (Layout == Layouts.GridLayout)
Visual.Width = Visual.DesiredSize.Width + InternalPadding.Left;
else
Visual.Width = Visual.DesiredSize.Width;
PlotArea plotArea = (Chart as Chart).PlotArea;
RectangleGeometry rectGeo = new RectangleGeometry();
rectGeo.Rect = new Rect(InternalBorderThickness.Left, InternalBorderThickness.Top, Visual.Width - InternalBorderThickness.Left - InternalBorderThickness.Right, Visual.Height - InternalBorderThickness.Top - InternalBorderThickness.Bottom);
rectGeo.RadiusX = CornerRadius.TopLeft;
rectGeo.RadiusY = CornerRadius.TopRight;
LegendContainer.Clip = rectGeo;
ApplyShadow(innerGrid);
if (VerticalAlignment == System.Windows.VerticalAlignment.Bottom && (HorizontalAlignment == System.Windows.HorizontalAlignment.Center
|| HorizontalAlignment == System.Windows.HorizontalAlignment.Left || HorizontalAlignment == System.Windows.HorizontalAlignment.Right
|| HorizontalAlignment == System.Windows.HorizontalAlignment.Stretch))
Visual.Margin = new Thickness(0, DEFAULT_MARGIN, 0, 0);
else if (VerticalAlignment == System.Windows.VerticalAlignment.Top && (HorizontalAlignment == System.Windows.HorizontalAlignment.Center
|| HorizontalAlignment == System.Windows.HorizontalAlignment.Left || HorizontalAlignment == System.Windows.HorizontalAlignment.Right
|| HorizontalAlignment == System.Windows.HorizontalAlignment.Stretch))
Visual.Margin = new Thickness(0, 0, 0, DEFAULT_MARGIN);
else if (HorizontalAlignment == System.Windows.HorizontalAlignment.Left && (VerticalAlignment == System.Windows.VerticalAlignment.Center
|| VerticalAlignment == System.Windows.VerticalAlignment.Stretch))
Visual.Margin = new Thickness(0, 0, DEFAULT_MARGIN, 0);
else if (HorizontalAlignment == System.Windows.HorizontalAlignment.Right && (VerticalAlignment == System.Windows.VerticalAlignment.Center
|| VerticalAlignment == System.Windows.VerticalAlignment.Stretch))
Visual.Margin = new Thickness(DEFAULT_MARGIN, 0, 0, 0);
}
/// <summary>
/// Create or update a CandleStick
/// </summary>
/// <param name="dataPoint"></param>
/// <param name="seriesCanvas"></param>
/// <param name="labelCanvas"></param>
/// <param name="canvasWidth"></param>
/// <param name="canvasHeight"></param>
/// <param name="dataPointWidth"></param>
internal static void CreateOrUpdateACandleStick(DataPoint dataPoint, Canvas candleStickCanvas, Canvas labelCanvas, Double canvasWidth, Double canvasHeight, Double dataPointWidth)
{
Faces dpFaces = dataPoint.Faces;
// Remove preexisting dataPoint visual and label visual
if (dpFaces != null && dpFaces.Visual != null && candleStickCanvas == dpFaces.Visual.Parent)
{
candleStickCanvas.Children.Remove(dataPoint.Faces.Visual);
//dpFaces = null;
}
// Remove preexisting label visual
if(dataPoint.LabelVisual != null && dataPoint.LabelVisual.Parent == labelCanvas)
{
labelCanvas.Children.Remove(dataPoint.LabelVisual);
//dataPoint.LabelVisual = null;
}
dataPoint.Faces = null;
if (dataPoint.YValues == null || dataPoint.Enabled == false)
return;
// Creating ElementData for Tag
ElementData tagElement = new ElementData() { Element = dataPoint };
// Initialize DataPoint faces
dataPoint.Faces = new Faces();
// Create DataPoint Visual
Canvas dataPointVisual = new Canvas();
dataPoint.Faces.Visual = dataPointVisual;
// Create High and Low Line
Line highLowLine = new Line() { Tag = tagElement };
dataPoint.Faces.Parts.Add(highLowLine);
dataPoint.Faces.VisualComponents.Add(highLowLine);
dataPointVisual.Children.Add(highLowLine);
/* Create Open-Close Rectangle
* Math.Max is used to make sure that the rectangle is visible
* even when the difference between high and low is 0 */
Rectangle openCloseRect = new Rectangle() { Tag = tagElement };
dataPoint.Faces.VisualComponents.Add(openCloseRect);
dataPoint.Faces.BorderElements.Add(openCloseRect);
dataPointVisual.Children.Add(openCloseRect);
UpdateYValueAndXValuePosition(dataPoint, canvasWidth, canvasHeight, dataPointWidth);
// Add dataPointVisual to seriesCanvas
candleStickCanvas.Children.Add(dataPointVisual);
CreateAndPositionLabel(labelCanvas, dataPoint);
dataPointVisual.Opacity = dataPoint.Parent.Opacity * dataPoint.Opacity;
Chart chart = dataPoint.Chart as Chart;
dataPoint.SetCursor2DataPointVisualFaces();
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);
}
internal static void CreateOrUpdateAStockDataPoint(DataPoint dataPoint, Canvas stockChartCanvas, Canvas labelCanvas, Double canvasWidth, Double canvasHeight, Double dataPointWidth)
{
Faces dpFaces = dataPoint.Faces;
// Remove preexisting dataPoint visual and label visual
if (dpFaces != null && dpFaces.Visual != null && stockChartCanvas == dpFaces.Visual.Parent)
{
stockChartCanvas.Children.Remove(dataPoint.Faces.Visual);
}
// Remove preexisting label visual
if (dataPoint.LabelVisual != null && dataPoint.LabelVisual.Parent == labelCanvas)
{
labelCanvas.Children.Remove(dataPoint.LabelVisual);
}
dataPoint.Faces = null;
if (dataPoint.YValues == null || dataPoint.Enabled == false)
{
return;
}
// Initialize DataPoint faces
dataPoint.Faces = new Faces();
// Creating ElementData for Tag
ElementData tagElement = new ElementData()
{
Element = dataPoint
};
// Create DataPoint Visual
Canvas dataPointVisual = new Canvas(); // Create DataPoint Visual
Line highLow = new Line()
{
Tag = tagElement
}; // Create High and Low Line
Line closeLine = new Line()
{
Tag = tagElement
}; // Create Close Line
Line openLine = new Line()
{
Tag = tagElement
}; // Create Close Line
dataPoint.Faces.Visual = dataPointVisual;
// Add VisualComponents
dataPoint.Faces.VisualComponents.Add(highLow);
dataPoint.Faces.VisualComponents.Add(openLine);
dataPoint.Faces.VisualComponents.Add(closeLine);
// Add Border elements
dataPoint.Faces.BorderElements.Add(highLow);
dataPoint.Faces.BorderElements.Add(openLine);
dataPoint.Faces.BorderElements.Add(closeLine);
dataPoint.Faces.Visual = dataPointVisual;
stockChartCanvas.Children.Add(dataPointVisual);
UpdateYValueAndXValuePosition(dataPoint, canvasWidth, canvasHeight, dataPointWidth);
ApplyBorderProperties(dataPoint, highLow, openLine, closeLine, dataPointWidth);
ApplyOrUpdateColorForAStockDp(dataPoint, highLow, openLine, closeLine);
// Add VisualComponents to visual
dataPointVisual.Children.Add(highLow);
dataPointVisual.Children.Add(openLine);
dataPointVisual.Children.Add(closeLine);
// Attach tooltip, events, href etc
dataPointVisual.Opacity = dataPoint.Parent.Opacity * dataPoint.Opacity;
Chart chart = dataPoint.Chart as Chart;
dataPoint.SetCursor2DataPointVisualFaces();
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);
}
internal static void CreateOrUpdateAStockDataPoint(DataPoint dataPoint, Canvas stockChartCanvas, Canvas labelCanvas, Double canvasWidth, Double canvasHeight, Double dataPointWidth)
{
Faces dpFaces = dataPoint.Faces;
// Remove preexisting dataPoint visual and label visual
if (dpFaces != null && dpFaces.Visual != null && stockChartCanvas == dpFaces.Visual.Parent)
{
stockChartCanvas.Children.Remove(dataPoint.Faces.Visual);
}
// Remove preexisting label visual
if (dataPoint.LabelVisual != null && dataPoint.LabelVisual.Parent == labelCanvas)
{
labelCanvas.Children.Remove(dataPoint.LabelVisual);
}
dataPoint.Faces = null;
if (dataPoint.YValues == null || dataPoint.Enabled == false)
return;
// Initialize DataPoint faces
dataPoint.Faces = new Faces();
// Creating ElementData for Tag
ElementData tagElement = new ElementData() { Element = dataPoint };
// Create DataPoint Visual
Canvas dataPointVisual = new Canvas(); // Create DataPoint Visual
Line highLow = new Line(){ Tag = tagElement }; // Create High and Low Line
Line closeLine = new Line(){ Tag = tagElement }; // Create Close Line
Line openLine = new Line() { Tag = tagElement }; // Create Close Line
dataPoint.Faces.Visual = dataPointVisual;
// Add VisualComponents
dataPoint.Faces.VisualComponents.Add(highLow);
dataPoint.Faces.VisualComponents.Add(openLine);
dataPoint.Faces.VisualComponents.Add(closeLine);
// Add Border elements
dataPoint.Faces.BorderElements.Add(highLow);
dataPoint.Faces.BorderElements.Add(openLine);
dataPoint.Faces.BorderElements.Add(closeLine);
dataPoint.Faces.Visual = dataPointVisual;
stockChartCanvas.Children.Add(dataPointVisual);
UpdateYValueAndXValuePosition(dataPoint, canvasWidth, canvasHeight, dataPointWidth);
ApplyBorderProperties(dataPoint, highLow, openLine, closeLine, dataPointWidth);
ApplyOrUpdateColorForAStockDp(dataPoint, highLow, openLine, closeLine);
// Add VisualComponents to visual
dataPointVisual.Children.Add(highLow);
dataPointVisual.Children.Add(openLine);
dataPointVisual.Children.Add(closeLine);
// Attach tooltip, events, href etc
dataPointVisual.Opacity = dataPoint.Parent.Opacity * dataPoint.Opacity;
Chart chart = dataPoint.Chart as Chart;
dataPoint.SetCursor2DataPointVisualFaces();
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);
}
/// <summary>
/// Create or update a CandleStick
/// </summary>
/// <param name="dataPoint"></param>
/// <param name="seriesCanvas"></param>
/// <param name="labelCanvas"></param>
/// <param name="canvasWidth"></param>
/// <param name="canvasHeight"></param>
/// <param name="dataPointWidth"></param>
internal static void CreateOrUpdateACandleStick(DataPoint dataPoint, Canvas candleStickCanvas, Canvas labelCanvas, Double canvasWidth, Double canvasHeight, Double dataPointWidth)
{
Faces dpFaces = dataPoint.Faces;
// Remove preexisting dataPoint visual and label visual
if (dpFaces != null && dpFaces.Visual != null && candleStickCanvas == dpFaces.Visual.Parent)
{
candleStickCanvas.Children.Remove(dataPoint.Faces.Visual);
//dpFaces = null;
}
// Remove preexisting label visual
if (dataPoint.LabelVisual != null && dataPoint.LabelVisual.Parent == labelCanvas)
{
labelCanvas.Children.Remove(dataPoint.LabelVisual);
//dataPoint.LabelVisual = null;
}
dataPoint.Faces = null;
if (dataPoint.InternalYValues == null || dataPoint.Enabled == false)
{
return;
}
// Creating ElementData for Tag
ElementData tagElement = new ElementData()
{
Element = dataPoint
};
// Initialize DataPoint faces
dataPoint.Faces = new Faces();
// Create DataPoint Visual
Canvas dataPointVisual = new Canvas();
dataPoint.Faces.Visual = dataPointVisual;
// Create High and Low Line
Line highLowLine = new Line()
{
Tag = tagElement
};
dataPoint.Faces.Parts.Add(highLowLine);
dataPoint.Faces.VisualComponents.Add(highLowLine);
dataPointVisual.Children.Add(highLowLine);
/* Create Open-Close Rectangle
* Math.Max is used to make sure that the rectangle is visible
* even when the difference between high and low is 0 */
Rectangle openCloseRect = new Rectangle()
{
Tag = tagElement
};
dataPoint.Faces.VisualComponents.Add(openCloseRect);
dataPoint.Faces.BorderElements.Add(openCloseRect);
dataPointVisual.Children.Add(openCloseRect);
UpdateYValueAndXValuePosition(dataPoint, canvasWidth, canvasHeight, dataPointWidth);
// Add dataPointVisual to seriesCanvas
candleStickCanvas.Children.Add(dataPointVisual);
CreateAndPositionLabel(labelCanvas, dataPoint);
dataPointVisual.Opacity = (Double)dataPoint.Parent.Opacity * (Double)dataPoint.Opacity;
Chart chart = dataPoint.Chart as Chart;
dataPoint.SetCursor2DataPointVisualFaces();
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint);
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint.Parent);
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
if (!chart.IndicatorEnabled)
{
dataPoint.AttachToolTip(chart, dataPoint, dataPoint.Faces.VisualComponents);
if (dataPoint.LabelVisual != null)
{
dataPoint.AttachToolTip(chart, dataPoint, dataPoint.LabelVisual);
}
}
dataPoint.AttachHref(chart, dataPoint.Faces.VisualComponents, dataPoint.Href, (HrefTargets)dataPoint.HrefTarget);
}
/// <summary>
/// Create visual object of the Legend
/// </summary>
internal void CreateVisualObject()
{
if (!(Boolean)Enabled)
{
Visual = null;
return;
}
ElementData tag = new ElementData { Element = this, VisualElementName = "Legend" };
Visual = new Border() { Tag = tag };
Grid innerGrid = new Grid() { Tag = tag };
(Visual as Border).Child = innerGrid;
LegendContainer = new StackPanel() { Tag = tag };
if (!String.IsNullOrEmpty(Title))
{
Title legendTitle = new Title();
ApplyFontProperty(legendTitle);
if (TitleBackground != null)
legendTitle.InternalBackground = TitleBackground;
legendTitle.InternalHorizontalAlignment = TitleAlignmentX;
legendTitle.InternalVerticalAlignment = VerticalAlignment.Top;
legendTitle.TextAlignment = TitleTextAlignment;
legendTitle.CreateVisualObject(tag);
legendTitle.Measure(new Size(Double.MaxValue, Double.MaxValue));
if (legendTitle.DesiredSize.Width > InternalMaxWidth)
legendTitle.Visual.Width = InternalMaxWidth;
LegendContainer.Children.Add(legendTitle.Visual);
}
Grid legendContent = CreateLegendContent();
legendContent.Tag = tag;
LegendContainer.Children.Add(legendContent);
LegendContainer.VerticalAlignment = VerticalAlignment.Center;
LegendContainer.HorizontalAlignment = HorizontalAlignment.Center;
ApplyVisualProperty();
innerGrid.Children.Add(LegendContainer);
Visual.Cursor = this.Cursor;
Visual.Measure(new Size(Double.MaxValue, Double.MaxValue));
if (!Double.IsPositiveInfinity(InternalMaxHeight) && InternalMaxHeight < Visual.DesiredSize.Height)
Visual.Height = InternalMaxHeight;
else
Visual.Height = Visual.DesiredSize.Height;
if (!Double.IsPositiveInfinity(InternalMaxWidth) && InternalMaxWidth < Visual.DesiredSize.Width + InternalPadding.Left)
Visual.Width = InternalMaxWidth;
else
Visual.Width = Visual.DesiredSize.Width + InternalPadding.Left;
}