private void chkDirected_Click(object sender, RoutedEventArgs e)
{
if ((chkDirected.IsChecked == null) || (chkDirected.IsChecked.Value == false))
{
foreach (arc a in arcs)
{
a.directed = false;
((ArcShape)a.DisplayShape.Shape).directed = false;
gui.ArcPropertyChanged(a);
}
}
else
{
foreach (arc a in arcs)
{
/* this next line is a bit strange. but I want to make sure that if an
* arc is switching from undirected to directed, it shows up this way on
* the screen. The user can always click to hide the arrow heads - I feel
* this is the better UI decision. The reason it is done first is that we want
* to only do this for arcs that are switching from undirected to directed. */
if (!a.directed)
{
((ArcShape)a.DisplayShape.Shape).ShowArrowHeads = true;
}
a.directed = true;
((ArcShape)a.DisplayShape.Shape).directed = true;
gui.ArcPropertyChanged(a);
}
}
Update();
}
private void StrokeColor_ValueChanged(object sender, RoutedEventArgs e)
{
foreach (arc a in arcs)
{
a.DisplayShape.Stroke = StrokeColorSelector.Value;
gui.ArcPropertyChanged(a);
}
}