private AbstractLineChartCanvas CreateCanvas(LineChartType type)
{
AbstractLineChartCanvas canvas;
switch (type)
{
case LineChartType.Normal:
canvas = new LineChartCanvas();
break;
case LineChartType.Stacked:
canvas = new StackedLineChartCanvas();
break;
default:
return(null);
}
BindingOperations.SetBinding(canvas, AbstractLineChartCanvas.XAxisProperty, new Binding("XAxis")
{
Source = this
});
BindingOperations.SetBinding(canvas, AbstractLineChartCanvas.YAxisProperty, new Binding("YAxis")
{
Source = this
});
return(canvas);
}
/// <summary>
/// Initializes a new instance of the <see cref="LineChart"/> class.
/// </summary>
/// <param name="lineChartType">Type of the line chart.</param>
/// <param name="values">The values.</param>
/// <param name="width">The width.</param>
/// <param name="dotSize">Size of the dot.</param>
/// <param name="haloSize">Size of the halo.</param>
public LineChart(LineChartType lineChartType, List <IChartValue> values, int width, int dotSize, int haloSize)
: base(EnumUtility.GetChartTypeFromLineChartType(lineChartType), values)
{
this.Width = width;
this.DotSize = dotSize;
this.HaloSize = haloSize;
}
private void OnChartTypeChanged(LineChartType type)
{
if (Canvas != null)
{
// We're about to no longer use this canvas.
// Thus we HAVE to force it remove itself from all events
// of the series collection (and its values) or otherweise
// we're gonna have a leak..
Canvas.Series = null;
RemoveCanvas(Canvas);
}
Canvas = CreateCanvas(type);
if (Canvas != null)
{
Grid.SetColumn(Canvas, 1);
Canvas.Series = Series;
AddCanvas(Canvas);
}
}
/// <summary>
/// Gets the type of the chart type from line chart.
/// </summary>
/// <param name="lineChartType">Type of the line chart.</param>
/// <returns></returns>
internal static ChartType GetChartTypeFromLineChartType(LineChartType lineChartType)
{
return((ChartType)Enum.Parse(typeof(ChartType), lineChartType.ToString(), true));
}
/// <summary>
/// Create a line chart with the specified type.
/// </summary>
/// <param name="width">width in pixels</param>
/// <param name="height">height in pixels</param>
/// <param name="lineChartType">specifies how the chart handles datasets</param>
public LineChart(int width, int height, LineChartType lineChartType)
: base(width, height)
{
this.lineChartType = lineChartType;
}
/// <summary>
/// Create a line chart with one line per dataset. Points are evenly spaced along the x-axis.
/// </summary>
/// <param name="width">width in pixels</param>
/// <param name="height">height in pixels</param>
public LineChart(int width, int height)
: base(width, height)
{
this.lineChartType = LineChartType.SingleDataSet;
}
/// <summary>
/// Create a line chart with the specified type.
/// </summary>
/// <param name="width">width in pixels</param>
/// <param name="height">height in pixels</param>
/// <param name="lineChartType">specifies how the chart handles datasets</param>
public LineChart(int width, int height, LineChartType lineChartType)
: base(width, height)
{
this.lineChartType = lineChartType;
}
/// <summary>
/// Create a line chart with one line per dataset. Points are evenly spaced along the x-axis.
/// </summary>
/// <param name="width">width in pixels</param>
/// <param name="height">height in pixels</param>
public LineChart(int width, int height)
: base(width, height)
{
this.lineChartType = LineChartType.SingleDataSet;
}
/// <summary>
/// Initializes a new instance of the <see cref="LineChart"/> class.
/// </summary>
/// <param name="lineChartType">Type of the line chart.</param>
/// <param name="values">The values.</param>
public LineChart(LineChartType lineChartType, List <IChartValue> values)
: base(EnumUtility.GetChartTypeFromLineChartType(lineChartType), values)
{
}
