protected override void OnRender(DrawingContext drawingContext)
{
if (!_from.IsVisible || !_to.IsVisible)
{
return;
}
var posFrom = _from.TranslatePoint(new Point(_from.DesiredSize.Width, _from.DesiredSize.Height / 2), AdornedElement);
var posTo = _to.TranslatePoint(new Point(_to.DesiredSize.Width, _to.DesiredSize.Height / 2), AdornedElement);
var midFrom = new Point(posFrom.X + 8, posFrom.Y);
var midTo = new Point(posFrom.X + 8, posTo.Y);
var g = new PathGeometry();
var path = new PathFigure();
path.StartPoint = posFrom;
path.Segments.Add(new LineSegment(midFrom, true));
path.Segments.Add(new LineSegment(midTo, true));
path.Segments.Add(new LineSegment(posTo, true));
// Triangle
if (_added)
{
path.Segments.Add(new LineSegment(new Point(posTo.X + 2, posTo.Y + 2), true));
path.Segments.Add(new LineSegment(new Point(posTo.X + 2, posTo.Y - 2), true));
path.Segments.Add(new LineSegment(posTo, true));
}
g.Figures.Add(path);
drawingContext.DrawGeometry(null, _added ? _penAdded : _penRemoved, g);
}
protected override void OnRender(System.Windows.Media.DrawingContext dc)
{
var posFrom = _from.TranslatePoint(new Point(0, 0), AdornedElement);
var posTo = _to.TranslatePoint(new Point(0, 0), AdornedElement);
if (posFrom.Y >= posTo.Y)
{
posFrom.X += _from.DesiredSize.Width;
}
var mid = posTo.Y + _to.DesiredSize.Height / 2;
posFrom.Y = mid - 10;
posTo.Y = mid + 10;
var record = (Record)_from.DataContext;
dc.DrawRectangle(record.State == null ? (Brush)_invalidBrush : new SolidColorBrush(ColorGenerator.GetColor(record.State)),
null, new Rect(posFrom, posTo));
}
protected override void OnRender(DrawingContext drawingContext)
{
var posFrom = _from.TranslatePoint(new Point(0, 0), AdornedElement);
var posTo = _to.TranslatePoint(new Point(0, 0), AdornedElement);
var topFrom = posFrom.Y;
var topTo = posTo.Y;
var leftFrom = posFrom.X;
var leftTo = posTo.X;
var g = new PathGeometry();
var path = new PathFigure();
PathSegment[] segments;
if (topFrom == topTo)
{
path.StartPoint = new Point(leftFrom + _from.DesiredSize.Width, topFrom + _from.DesiredSize.Height / 2 - 4);
segments =
new PathSegment[]
{
new LineSegment(new Point(leftTo, topTo + _to.DesiredSize.Height / 2 - 4), true),
// Triangle
new LineSegment(new Point(leftTo - 2, topTo + _to.DesiredSize.Height / 2 - 6), true),
new LineSegment(new Point(leftTo - 2, topTo + _to.DesiredSize.Height / 2 - 2), true),
new LineSegment(new Point(leftTo, topTo + _to.DesiredSize.Height / 2 - 4), true),
};
}
else
{
if (leftTo > leftFrom + _from.DesiredSize.Width + 8)
{
leftFrom = leftFrom + _from.DesiredSize.Width;
path.StartPoint = new Point(leftFrom, topFrom + _from.DesiredSize.Height / 2 + 4);
segments =
new PathSegment[]
{
new LineSegment(new Point(leftFrom + 7, topFrom + _from.DesiredSize.Height / 2 + 4), true),
new LineSegment(new Point(leftFrom + 7, topTo + _to.DesiredSize.Height / 2 - 4), true),
//new LineSegment(new Point(leftFrom - 7, topFrom + _from.DesiredSize.Height), true),
//new LineSegment(new Point(leftTo - 7, topFrom + _from.DesiredSize.Height), true),
new LineSegment(new Point(leftTo - 7, topTo + _to.DesiredSize.Height / 2 - 4), true),
new LineSegment(new Point(leftTo, topTo + _to.DesiredSize.Height / 2 - 4), true),
// Triangle
new LineSegment(new Point(leftTo - 2, topTo + _to.DesiredSize.Height / 2 - 6), true),
new LineSegment(new Point(leftTo - 2, topTo + _to.DesiredSize.Height / 2 - 2), true),
new LineSegment(new Point(leftTo, topTo + _to.DesiredSize.Height / 2 - 4), true),
};
}
else
{
path.StartPoint = new Point(leftFrom, topFrom + _from.DesiredSize.Height / 2 + 4);
segments =
new PathSegment[]
{
new LineSegment(new Point(leftFrom - 7, topFrom + _from.DesiredSize.Height / 2 + 4), true),
new LineSegment(new Point(leftFrom - 7, topTo + _to.DesiredSize.Height / 2 - 4), true),
//new LineSegment(new Point(leftFrom - 7, topFrom + _from.DesiredSize.Height), true),
//new LineSegment(new Point(leftTo - 7, topFrom + _from.DesiredSize.Height), true),
new LineSegment(new Point(leftTo - 7, topTo + _to.DesiredSize.Height / 2 - 4), true),
new LineSegment(new Point(leftTo, topTo + _to.DesiredSize.Height / 2 - 4), true),
// Triangle
new LineSegment(new Point(leftTo - 2, topTo + _to.DesiredSize.Height / 2 - 6), true),
new LineSegment(new Point(leftTo - 2, topTo + _to.DesiredSize.Height / 2 - 2), true),
new LineSegment(new Point(leftTo, topTo + _to.DesiredSize.Height / 2 - 4), true),
};
}
}
path.Segments.Clear();
foreach (var segment in segments)
{
path.Segments.Add(segment);
}
g.Figures.Add(path);
drawingContext.DrawGeometry(null, _pen, g);
}
