/// <summary>
/// 重写PrimitiveAdd
/// </summary>
/// <param name="canvas"></param>
protected override void PrimitiveDraw(Canvas canvas)
{
this._columnElementList.Clear();
Brush legendBrush = ChartHelper.CreateColumn(this).Fill.Clone();
base.AddLegendItem(new SeriesLegendItem(legendBrush, base.Title, this));
if (base._values == null || base._values.Count == 0)
{
return;
}
switch (this._orientation)
{
case SeriesOrientation.Horizontal:
this.PrimitiveDrawHorizontal(canvas);
break;
case SeriesOrientation.Vertical:
this.PrimitiveDrawVertical(canvas);
break;
default:
throw new NotImplementedException(this._orientation.ToString());
}
}
private void PrimitiveDrawHorizontal(Canvas canvas)
{
double x, y, size;
Rectangle columnElement;
foreach (var value in base._values)
{
x = this.AxisX.GetX(value);
if (!ChartHelper.DoubleHasValue(x))
{
continue;
}
y = this.AxisY.GetY(value);
if (!ChartHelper.DoubleHasValue(y))
{
continue;
}
columnElement = ChartHelper.CreateColumn(this);
columnElement.Visibility = base.Visibility;
if (value != null)
{
ChartHelper.SetColumnTooltipText(this, value.TooltipText, columnElement);
}
if (ChartHelper.DoubleHasValue(this._size))
{
columnElement.Height = this._size;
}
canvas.Children.Add(columnElement);
this._columnElementList.Add(columnElement);
if (this.AxisY.IsAxisYLeft())
{
size = x;
Canvas.SetLeft(columnElement, ChartConstant.ZERO_D);
}
else
{
size = canvas.Width - x;
Canvas.SetRight(columnElement, ChartConstant.ZERO_D);
}
if (size < ChartConstant.ZERO_D)
{
size = ChartConstant.ZERO_D;
}
columnElement.Width = size;
Canvas.SetTop(columnElement, y);
}
}
/// <summary>
/// 重写StyleChanged
/// </summary>
/// <param name="style">新样式</param>
protected override void StyleChanged(Style style)
{
base.RemoveLegendItem();
Brush legendBrush = ChartHelper.CreateColumn(this).Fill.Clone();
base.AddLegendItem(new SeriesLegendItem(legendBrush, base.Title, this));
foreach (var columnElement in this._columnElementList)
{
columnElement.Style = style;
}
}
private Dictionary <IColumnSeries, double> GetSeriesSizeDic(ChartCollection <ISeries> seriesCollection)
{
Dictionary <IColumnSeries, double> seriesSizeDic = new Dictionary <IColumnSeries, double>();
IColumnSeries columnSeries;
Rectangle templateColumn;
double seriesSize;
foreach (var series in seriesCollection)
{
if (!(series is IColumnSeries) |
series.AxisX != this && series.AxisY != this)
{
continue;
}
columnSeries = (IColumnSeries)series;
if (seriesSizeDic.ContainsKey(columnSeries))
{
continue;
}
columnSeries.Size = double.NaN;
templateColumn = ChartHelper.CreateColumn(columnSeries);
seriesSize = double.NaN;
if (series.AxisX == this)
{
seriesSize = templateColumn.Width;
}
else if (series.AxisY == this)
{
seriesSize = templateColumn.Height;
}
seriesSizeDic.Add(columnSeries, seriesSize);
}
return(seriesSizeDic);
}
