public void HighlightThisAndDescendants()
{
IsHighlighted = true;
HighlightThis();
foreach (Shape e in Lines)
{
e.Stroke = (Brush)FindResource("0LightHighlightBrush");
e.Fill = (Brush)FindResource("0LightHighlightBrush");
Panel.SetZIndex(e, 99998);
if (e.Tag != null)
{
LineTagStore lineTag = (LineTagStore)e.Tag;
if (lineTag.MetaLabel != null)
{
lineTag.MetaLabel.Foreground = (Brush)FindResource("0HighlightBrush");
Panel.SetZIndex(lineTag.MetaLabel, 99998);
}
lineTag.ToWrapper.HighlightThis();
if (lineTag.FromWrapper != this)
{
lineTag.FromWrapper.HighlightThis();
}
}
}
}
protected void AddLine(SimpleVisualiserWrapper FromWrapper, SimpleVisualiserWrapper ToWrapper, IVertex meta)
{
LineTagStore lineTag = new LineTagStore();
lineTag.ToWrapper = ToWrapper;
lineTag.FromWrapper = FromWrapper;
ArrowLine l = new ArrowLine();
l.Tag = lineTag;
FromWrapper.Lines.Add(l);
ToWrapper.Lines.Add(l);
l.X1 = Canvas.GetLeft(FromWrapper) + FromWrapper.ActualWidth / 2;
l.Y1 = Canvas.GetTop(FromWrapper) + FromWrapper.ActualHeight / 2;
double tX = Canvas.GetLeft(ToWrapper) + ToWrapper.ActualWidth / 2;
double tY = Canvas.GetTop(ToWrapper) + ToWrapper.ActualHeight / 2;
double testX = l.X1 - tX;
double testY = l.Y1 - tY;
if (testX == 0)
{
testX = 0.001;
}
if (testY == 0)
{
testY = 0.001;
}
if (testY <= 0 && Math.Abs(testX * ToWrapper.ActualHeight) <= Math.Abs(testY * ToWrapper.ActualWidth))
{
l.X2 = tX - (ToWrapper.ActualHeight / 2 * testX / testY);
l.Y2 = tY - ToWrapper.ActualHeight / 2;
}
if (testY > 0 && Math.Abs(testX * ToWrapper.ActualHeight) <= Math.Abs(testY * ToWrapper.ActualWidth))
{
l.X2 = tX + (ToWrapper.ActualHeight / 2 * testX / testY);
l.Y2 = tY + ToWrapper.ActualHeight / 2;
}
if (testX >= 0 && Math.Abs(testX * ToWrapper.ActualHeight) >= Math.Abs(testY * ToWrapper.ActualWidth))
{
l.X2 = tX + ToWrapper.ActualWidth / 2;
l.Y2 = tY + (ToWrapper.ActualWidth / 2 * testY / testX);
}
if (testX <= 0 && Math.Abs(testX * ToWrapper.ActualHeight) >= Math.Abs(testY * ToWrapper.ActualWidth))
{
l.X2 = tX - ToWrapper.ActualWidth / 2;
l.Y2 = tY - (ToWrapper.ActualWidth / 2 * testY / testX);
}
l.Stroke = (Brush)FindResource("0LightGrayBrush");
l.EndEnding = LineEndEnum.FilledTriangle;
l.Fill = (Brush)FindResource("0LightGrayBrush");
Panel.SetZIndex(l, 0);
Children.Add(l);
if (MetaLabels && meta.Value != null && !GeneralUtil.CompareStrings(meta.Value, "$Empty"))
{
TextBlock b = new TextBlock();
b.Text = meta.Value.ToString();
Canvas.SetLeft(b, l.X1 + ((l.X2 - l.X1) / 2));
Canvas.SetTop(b, l.Y1 + ((l.Y2 - l.Y1) / 2));
b.Foreground = (Brush)FindResource("0LightGrayBrush");
Children.Add(b);
lineTag.MetaLabel = b;
}
}
