public EdgeBreak(MyPoint position, EdgePart beforeEdgePart, EdgePart afterEdgePart, Graph graph)
{
this.Position = position;
this.BeforeEdgePart = beforeEdgePart;
this.AfterEdgePart = afterEdgePart;
this.graph = graph;
normalBrush = Brushes.Transparent;
hoverBrush = Brushes.Red;
UIEllipse = new Ellipse
{
Margin = new Thickness(position.X - 3, position.Y - 3, 0, 0),
Width = 5,
Height = 5,
Fill = normalBrush,
Stroke = normalBrush,
StrokeThickness = 1
};
UIEllipse.MouseEnter += onMouseEnter;
UIEllipse.MouseLeave += onMouseLeave;
UIEllipse.MouseDown += onMouseDown;
IsSelected = false;
}
private void onPositionChanged(double lastX, double lastY)
{
foreach (Edge edge in edges)
{
int lastIndex = edge.EdgeParts.Count - 1;
EdgePart firstPart = edge.EdgeParts[0];
EdgePart lastPart = edge.EdgeParts[lastIndex];
if (edge.HeadConnection.Node == this)
{
firstPart.UILine.X1 += Position.X - lastX;
firstPart.UILine.Y1 += Position.Y - lastY;
}
if (edge.TailConnection.Node == this)
{
lastPart.UILine.X2 += Position.X - lastX;
lastPart.UILine.Y2 += Position.Y - lastY;
}
edge.UpdateLabels();
edge.UpdateStructure();
}
foreach (NodeConnection nodeConnection in NodeConnections)
{
nodeConnection.Update();
}
}
public void SelectedgePart(EdgePart edgePart)
{
ClearSelection();
edgePart.IsSelected = true;
edgePart.Edge.IsSelected = true;
SelectedEdgePart = edgePart;
SelectionChanged();
}
public EdgeLabel(string text, EdgePart edgepart)
{
this.EdgePart = edgepart;
UITextBlock = new TextBlock();
UITextBlock.Text = text;
Percent = 0.1;
Distance = 3;
Graph graph = edgepart.Edge.HeadConnection.Node.Graph;
graph.UICanvas.Children.Add(UITextBlock);
Update();
}
