private void UpdateAll()
{
if (this.IgnoreUpdateChart())
{
return;
}
AxisFreezeInfo axisFreezeInfo = this.GetAxisFreezeInfo();
ChartCollection <AxisAbs> axes = this.Axes;
ChartCollection <ISeries> series = this.Series;
IChartLegend legend = this.Legend;
Grid chartGrid = this._chartGrid;
Canvas chartCanvas = this._chartCanvas;
Grid chartContentGrid = this._chartContentGrid;
ScrollViewer scrollViewer = this._scrollViewer;
this.Content = null;
scrollViewer.Content = null;
this._scrollViewer.Content = null;
chartGrid.Children.Clear();
chartCanvas.Children.Clear();
chartCanvas.MouseWheel -= ChartCanvas_MouseWheel;
chartCanvas.MouseLeftButtonDown -= ChartCanvas_MouseLeftButtonDown;
chartCanvas.MouseMove -= ChartCanvas_MouseMove;
chartGrid.RowDefinitions.Clear();
chartGrid.ColumnDefinitions.Clear();
chartContentGrid.Children.Clear();
chartContentGrid.RowDefinitions.Clear();
chartContentGrid.ColumnDefinitions.Clear();
switch (axisFreezeInfo.AxisFreezeType)
{
case AxisFreezeType.None:
this.UpdateNoneFreeze(axisFreezeInfo, axes, series, legend, chartCanvas, chartGrid, scrollViewer);
break;
case AxisFreezeType.X:
this.UpdateFreezeX(axisFreezeInfo, axes, series, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid);
break;
case AxisFreezeType.Y:
this.UpdateFreezeY(axisFreezeInfo, axes, series, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid);
break;
case AxisFreezeType.All:
this.UpdateFreezeAll(axisFreezeInfo, axes, series, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid);
break;
default:
throw new NotImplementedException(axisFreezeInfo.AxisFreezeType.ToString());
}
}
private void UpdateFreezeY(AxisFreezeInfo axisFreezeInfo, ChartCollection <AxisAbs> axisCollection, ChartCollection <ISeries> seriesCollection,
IChartLegend legend, Canvas chartCanvas, Grid chartGrid, ScrollViewer scrollViewer, Grid chartContentGrid)
{
/************************************************************************************************************
* 步骤:
* 1.添加legend,并计算出发四周所占高度或宽度
* 2.计算X轴总高度
* 3.根据X轴总高度计算图表区域高度高度(等于Y轴高度)
* 4.根据Y轴高度绘制Y轴,并计算Y轴宽度
* 5.根据宽度绘制X轴
* 6.绘制坐标背景标记线
* 7.布局UI
* 8.绘各Series和填充legend
************************************************************************************************************/
//chartGrid.ShowGridLines = true;
//chartCanvas.Background = ColorBrushHelper.GetNextColor();
this.Content = chartGrid;
//第一步 添加legend,并计算出发四周所占高度或宽度
LegendAddResult legendAddResult = this.AddLegend(legend, chartGrid);
//第二步 计算X轴总高度
AxisXHeightInfo axisXHeightInfo = this.CalculateAxisXHeight(axisCollection);
//第三步 根据X轴总高度计算图表区域高度高度(等于Y轴高度)
double yAxisHeight = axisFreezeInfo.Height - axisXHeightInfo.TopAxisTotalHeight - axisXHeightInfo.BottomAxisTotalHeight - legendAddResult.Top - legendAddResult.Bottom - this._scrollBarWidth;
if (yAxisHeight < ChartConstant.ZERO_D)
{
yAxisHeight = ChartConstant.ZERO_D;
}
//第四步 根据Y轴高度绘制Y轴,并计算Y轴宽度
AxisYWidthInfo axisYWidthInfo = this.DrawAxisYByAxisXHeightInfo(axisCollection, chartGrid.Children, seriesCollection, yAxisHeight, axisXHeightInfo.TopAxisTotalHeight);
//第五步 根据宽度绘制X轴
double width = this.ActualWidth - axisYWidthInfo.LeftAxisTotalWidth - axisYWidthInfo.RightAxisTotalWidth - legendAddResult.Left - legendAddResult.Right;
double xAxisWidth = axisFreezeInfo.Width;
if (xAxisWidth < ChartConstant.ZERO_D)
{
xAxisWidth = ChartConstant.ZERO_D;
}
else if (xAxisWidth - width < ChartConstant.ZERO_D)
{
//真实宽度大于最小值,取更大值
xAxisWidth = width;
}
Dictionary <AxisAbs, List <double> > axisXLabelDic = this.DrawAxisX(axisCollection, seriesCollection, chartContentGrid, xAxisWidth, ChartConstant.ZERO_D);
chartCanvas.Width = xAxisWidth;
chartCanvas.Height = yAxisHeight;
chartContentGrid.Children.Add(chartCanvas);
//第六步 绘制坐标背景标记线
this.DrawAxisBackgroundLabelLine(chartCanvas, axisYWidthInfo.AxisYLabelDic, axisXLabelDic);
//第七步 布局UI
this.FreezeYLayout(axisCollection, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid, legendAddResult, axisXHeightInfo, axisYWidthInfo);
//第八步 绘各Series和填充legend
this.DrawSeries(chartGrid, chartCanvas, seriesCollection, legendAddResult, legend);
}
private void UpdateFreezeX(AxisFreezeInfo axisFreezeInfo, ChartCollection <AxisAbs> axisCollection, ChartCollection <ISeries> seriesCollection,
IChartLegend legend, Canvas chartCanvas, Grid chartGrid, ScrollViewer scrollViewer, Grid chartContentGrid)
{
/************************************************************************************************************
* 步骤:
* 1.添加legend,并计算出发四周所占高度或宽度
* 2.计算X轴总高度
* 3.根据Y轴高度绘制Y轴,并计算Y轴宽度
* 4.根据Y轴宽度计算X轴宽度并绘制X轴
* 5.绘制坐标背景标记线
* 6.绘各Series
* 7.绘各Series和填充legend
************************************************************************************************************/
this.Content = chartGrid;
//第一步 添加legend,并计算出发四周所占高度或宽度
LegendAddResult legendAddResult = this.AddLegend(legend, chartGrid);
//第二步 计算X轴总高度
AxisXHeightInfo axisXHeightInfo = this.CalculateAxisXHeight(axisCollection);
double height = this.ActualHeight - axisXHeightInfo.TopAxisTotalHeight - axisXHeightInfo.BottomAxisTotalHeight - legendAddResult.Top - legendAddResult.Bottom;
//第三步 根据Y轴高度绘制Y轴,并计算Y轴宽度
double yAxisHeight = axisFreezeInfo.Height;
if (yAxisHeight < ChartConstant.ZERO_D)
{
yAxisHeight = ChartConstant.ZERO_D;
}
else if (yAxisHeight - height < ChartConstant.ZERO_D)
{
//真实高度大于最小值,取更大值
yAxisHeight = height;
}
AxisYWidthInfo axisYWidthInfo = this.DrawAxisYByAxisXHeightInfo(axisCollection, chartContentGrid.Children, seriesCollection, yAxisHeight, ChartConstant.ZERO_D);
//第四步 根据Y轴宽度计算X轴宽度并绘制X轴
double xAxisWidth = axisFreezeInfo.Width - axisYWidthInfo.LeftAxisTotalWidth - axisYWidthInfo.RightAxisTotalWidth - legendAddResult.Left - legendAddResult.Right - this._scrollBarWidth;
if (xAxisWidth < ChartConstant.ZERO_D)
{
xAxisWidth = ChartConstant.ZERO_D;
}
Dictionary <AxisAbs, List <double> > axisXLabelDic = this.DrawAxisX(axisCollection, seriesCollection, chartGrid, xAxisWidth, axisYWidthInfo.LeftAxisTotalWidth);
chartCanvas.Width = xAxisWidth;
chartCanvas.Height = yAxisHeight;
chartContentGrid.Children.Add(chartCanvas);
//第五步 绘制坐标背景标记线
this.DrawAxisBackgroundLabelLine(chartCanvas, axisYWidthInfo.AxisYLabelDic, axisXLabelDic);
//第六步 布局UI
this.FreezeXLayout(axisCollection, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid, legendAddResult, axisXHeightInfo, axisYWidthInfo);
//第七步 绘各Series和填充legend
this.DrawSeries(chartGrid, chartCanvas, seriesCollection, legendAddResult, legend);
}
private void UpdateNoneFreeze(AxisFreezeInfo axisFreezeInfo, ChartCollection <AxisAbs> axisCollection, ChartCollection <ISeries> seriesCollection,
IChartLegend legend, Canvas chartCanvas, Grid chartGrid, ScrollViewer scrollViewer)
{
/************************************************************************************************************
* 步骤:
* 1.添加legend,并计算出发四周所占高度或宽度
* 2.计算X轴总高度
* 3.根据X轴总高度计算图表区域高度高度(等于Y轴高度)
* 4.根据Y轴高度绘制Y轴,并计算Y轴宽度
* 5.根据Y轴宽度计算X轴宽度并绘制X轴
* 6.绘制坐标背景标记线
* 7.布局UI
* 8.绘各Series和填充legend
************************************************************************************************************/
//chartGrid.ShowGridLines = true;
//chartCanvas.Background = ColorBrushHelper.GetNextColor();
this.Content = chartGrid;
//第一步 添加legend,并计算出发四周所占高度或宽度
LegendAddResult legendAddResult = this.AddLegend(legend, chartGrid);
//第二步 计算X轴总高度
AxisXHeightInfo axisXHeightInfo = this.CalculateAxisXHeight(axisCollection);
//第三步 根据X轴总高度计算图表区域高度高度(等于Y轴高度)
double yAxisHeight = axisFreezeInfo.Height - axisXHeightInfo.TopAxisTotalHeight - axisXHeightInfo.BottomAxisTotalHeight - legendAddResult.Top - legendAddResult.Bottom;
if (yAxisHeight < ChartConstant.ZERO_D)
{
yAxisHeight = ChartConstant.ZERO_D;
}
//第四步 根据Y轴高度绘制Y轴,并计算Y轴宽度
AxisYWidthInfo axisYWidthInfo = this.DrawAxisYByAxisXHeightInfo(axisCollection, chartGrid.Children, seriesCollection, yAxisHeight, ChartConstant.ZERO_D);
//第五步 根据Y轴宽度计算X轴宽度并绘制X轴
double xAxisWidth = axisFreezeInfo.Width - axisYWidthInfo.LeftAxisTotalWidth - axisYWidthInfo.RightAxisTotalWidth - legendAddResult.Left - legendAddResult.Right;
if (xAxisWidth < ChartConstant.ZERO_D)
{
xAxisWidth = ChartConstant.ZERO_D;
}
Dictionary <AxisAbs, List <double> > axisXLabelDic = this.DrawAxisX(axisCollection, seriesCollection, chartGrid, xAxisWidth, ChartConstant.ZERO_D);
chartCanvas.Width = xAxisWidth;
chartCanvas.Height = yAxisHeight;
scrollViewer.BorderThickness = new Thickness(ChartConstant.ZERO_D);
scrollViewer.HorizontalScrollBarVisibility = ScrollBarVisibility.Hidden;
scrollViewer.VerticalScrollBarVisibility = ScrollBarVisibility.Hidden;
scrollViewer.Background = Brushes.Transparent;
scrollViewer.Content = chartCanvas;
chartGrid.Children.Add(scrollViewer);
//第六步 绘制坐标背景标记线
this.DrawAxisBackgroundLabelLine(chartCanvas, axisYWidthInfo.AxisYLabelDic, axisXLabelDic);
//第七步 布局UI
this.NoneFreezeLayout(axisCollection, legend, chartCanvas, chartGrid, scrollViewer, legendAddResult, axisXHeightInfo, axisYWidthInfo);
//第八步 绘各Series和填充legend
this.DrawSeries(chartGrid, chartCanvas, seriesCollection, legendAddResult, legend);
}