private void Node_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
int index = m_NodeShapes.IndexOf((Ellipse)sender);
if (m_Dragging)
{
if (DrawNodes)
{
}
else if (DrawEdges)
{
if (index >= 0)
{
Node endNode = FloorNodes[index];
m_SelectedLine.X2 = TransformX(endNode.X);
m_SelectedLine.Y2 = TransformY(endNode.Y);
Edge ed = new Edge(m_StartNode, FloorNodes[index]);
m_SelectedEdge = ed;
m_SelectedLine = null;
FloorEdges.Add(ed);
m_StartNode = null;
e.Handled = true;
NotifyPropertyChanged("AllEdges");
updateEdges();
}
}
m_Dragging = false;
}
}
protected void removeEdge()
{
Edge edge = SelectedEdge;
if (FloorEdges.Contains(edge))
{
FloorEdges.Remove(edge);
}
else if (m_UnseenEdges.Contains(edge))
{
m_UnseenEdges.Remove(edge);
}
m_SelectedNode = null;
m_SelectedEdge = null;
NotifyPropertyChanged("AllEdges");
updatePoints();
updateEdges();
}