protected override void OnApplyTemplate()
{
base.OnApplyTemplate();
this.PathFigure0 = GetTemplateChild("PathFigure0") as PathFigure;
this.SubPath = GetTemplateChild("SubPath") as Path;
title = GetTemplateChild("Title") as TextBlock;
Y0 = GetTemplateChild("Y0") as TextBlock;
Y1 = GetTemplateChild("Y1") as TextBlock;
Y2 = GetTemplateChild("Y2") as TextBlock;
Y3 = GetTemplateChild("Y3") as TextBlock;
Y4 = GetTemplateChild("Y4") as TextBlock;
X0 = GetTemplateChild("X0") as TextBlock;
X1 = GetTemplateChild("X1") as TextBlock;
X2 = GetTemplateChild("X2") as TextBlock;
X3 = GetTemplateChild("X3") as TextBlock;
X4 = GetTemplateChild("X4") as TextBlock;
if (Values0 == null || Values0.Count < 1)
{
return;
}
double bottom;
double top;
double labelStep;
if (Values1 == null || Values1.Count < 1)
{
SubPath.Visibility = Visibility.Collapsed;
var max = Values0.Max();
var min = Values0.Min();
if (max == min)
{
min -= min * 0.1;
max += max * 0.1;
}
bottom = min - (max - min) * 0.1;
top = max + (max - min) * 0.1;
bottom = bottom < Minimum ? Minimum : bottom;
top = top > Maximum ? Maximum : top;
var center = (max + min) / 2;
labelStep = (top - bottom) / 4;
}
else
{
SubPath.Visibility = Visibility.Visible;
var max = Math.Max(Values0.Max(), Values1.Max());
var min = Math.Min(Values0.Min(), Values1.Min());
if (max == min)
{
min -= min * 0.1;
max += max * 0.1;
}
bottom = min - (max - min) * 0.1;
top = max + (max - min) * 0.1;
bottom = bottom < Minimum ? Minimum : bottom;
top = top > Maximum ? Maximum : top;
var center = (max + min) / 2;
labelStep = (top - bottom) / 4;
}
var pathFigure1 = ((((SubPath.Data as GeometryGroup).Children[0] as PathGeometry).Figures as PathFigureCollection)[0] as PathFigure);
PathFigure0.Segments.Clear();
pathFigure1.Segments.Clear();
title.Text = Title;
Y0.Text = bottom.ToString("0.0") + FormatDecoration;
Y1.Text = (bottom + labelStep).ToString("0.0") + FormatDecoration;
Y2.Text = (bottom + 2 * labelStep).ToString("0.0") + FormatDecoration;
Y3.Text = (bottom + 3 * labelStep).ToString("0.0") + FormatDecoration;
Y4.Text = (bottom + 4 * labelStep).ToString("0.0") + FormatDecoration;
if (!XText.IsNullorEmpty())
{
var xTexts = XText.Split(',');
X0.Text = xTexts[0];
X1.Text = xTexts[1];
X2.Text = xTexts[2];
X3.Text = xTexts[3];
X4.Text = xTexts[4];
}
var actualMin = bottom;
var actualMax = bottom + 4 * labelStep;
var length = actualMax - actualMin;
var step = 512 / (Values0.Count + 1);
var actaulStart = GRAPH_ACTUALSTART - ((Values0[0] - actualMin) / length) * GRAPH_ACTUALHEIGHT;
PathFigure0.StartPoint = new Windows.Foundation.Point(step, actaulStart);
for (int i = 0; i < Values0.Count; i++)
{
var actaulY = GRAPH_ACTUALSTART - ((Values0[i] - actualMin) / length) * GRAPH_ACTUALHEIGHT;
PathFigure0.Segments.Add(new LineSegment
{
Point = new Windows.Foundation.Point(step * (i + 1), actaulY)
});
}
if (Values1 != null && Values1.Count > 0)
{
var step1 = 512 / (Values1.Count + 1);
var actaulStart1 = GRAPH_ACTUALSTART - ((Values1[0] - actualMin) / length) * GRAPH_ACTUALHEIGHT;
pathFigure1.StartPoint = new Windows.Foundation.Point(step1, actaulStart1);
for (int i = 0; i < Values1.Count; i++)
{
var actaulY = GRAPH_ACTUALSTART - ((Values1[i] - actualMin) / length) * GRAPH_ACTUALHEIGHT;
pathFigure1.Segments.Add(new LineSegment
{
Point = new Windows.Foundation.Point(step1 * (i + 1), actaulY)
});
}
}
}