//private string GetFontFamily() {
// var fontname = WpfHelper.IdToText(
// NodeBehind.HasAttribute("fontname", true)
// ? NodeBehind.GetAttribute("fontname", true)
// : "Times-Roman");
// return null;
//}
private string GetFontColor()
{
return(WpfHelper.IdToText(
NodeBehind.HasAttribute("fontcolor", true)
? NodeBehind.GetAttribute("fontcolor", true)
: "black"));
}
private string GetNodeStrokeColor()
{
var color = WpfHelper.IdToText(
NodeBehind.HasAttribute("color", true)
? NodeBehind.GetAttribute("color", true)
: null);
return(color ?? "black");
}
private double GetFontSize()
{
var sizeStr = WpfHelper.IdToText(
NodeBehind.HasAttribute("fontsize", true)
? NodeBehind.GetAttribute("fontsize", true)
: null);
if (!string.IsNullOrEmpty(sizeStr))
{
return(double.Parse(sizeStr, CultureInfo.InvariantCulture));
}
return(14.0);
}
private double GetNodeStrokeThickness()
{
if (NodeShapeData.Name == "None")
{
return(0);
}
var thicknessStr = WpfHelper.IdToText(
NodeBehind.HasAttribute("penwidth", true)
? NodeBehind.GetAttribute("penwidth", true) + "pt"
: "1");
return(WpfHelper.StringToPixel(thicknessStr));
}
private void UpdatePropertyValues()
{
Id = NodeBehind.Id;
Label = WpfHelper.IdToText(
NodeBehind.HasAttribute("label")
? NodeBehind.GetAttribute("label")
: NodeBehind.Id);
Styles = WpfHelper.IdToStyles(
NodeBehind.HasAttribute("style", true)
? NodeBehind.GetAttribute("style", true)
: null);
NodeShapeData = WpfHelper.ConvertToShapeData(
NodeBehind.HasAttribute("shape", true)
? NodeBehind.GetAttribute("shape", true)
: "ellipse",
NodeBehind.HasAttribute("sides", true)
? NodeBehind.GetAttribute("sides", true)
: "4",
Styles.Contains("diagonals"));
//Dot extends the border in both directions but wpf only inwards
//so we compensate this by increasing the Width/Height by StrokeThickness.
//Side note: Thickness is set to 0 in case of a plain shape
StrokeThickness = GetNodeStrokeThickness();
CenterX = WpfHelper.StringToPixel(WpfHelper.IdToText(
NodeBehind.GetAttribute("pos")).Split(',')[0] + "pt");
CenterY = WpfHelper.StringToPixel(WpfHelper.IdToText(
NodeBehind.GetAttribute("pos")).Split(',')[1] + "pt");
Width = WpfHelper.StringToPixel(WpfHelper.IdToText(
NodeBehind.GetAttribute("width", true)) + "in")
+ StrokeThickness;
Height = WpfHelper.StringToPixel(WpfHelper.IdToText(
NodeBehind.GetAttribute("height", true)) + "in")
+ StrokeThickness;
X = CenterX - Width / 2;
Y = CenterY - Height / 2;
Margin = FormattableString.Invariant($"{X},{Y},0,0");
FillColor = GetNodeFillColor();
StrokeColor = GetNodeStrokeColor();
StrokeDashList = WpfHelper.AbsoluteStrokeDash(Styles, StrokeThickness);
//FontFamily = GetFontFamily();
FontColor = GetFontColor();
FontSize = GetFontSize();
}
private string GetNodeFillColor()
{
if (Styles.Contains("filled"))
{
var color = WpfHelper.IdToText(
NodeBehind.HasAttribute("color", true)
? NodeBehind.GetAttribute("color", true)
: null);
var fillcolor = WpfHelper.IdToText(
NodeBehind.HasAttribute("fillcolor", true)
? NodeBehind.GetAttribute("fillcolor", true)
: null);
return(fillcolor ?? color ?? "lightgray");
}
return("Transparent");
}
