private void Window_MouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
if (mCurrentLine != null)
{
mCurrentLine.Erase();
mLines.Remove(mCurrentLine);
mCurrentLine = null;
e.Handled = true;
}
}
void obj_Link(object sender, LinkEventArgs e)
{
NoiseObject obj = sender as NoiseObject;
// set line begin - line end is mouse
if (mCurrentLine == null)
{
if (e.type != LinkType.Out && e.id.Connection != null) obj_Erase(sender, e);
mCurrentLine = new LinkLine(xBoard, e.type, e.id);
}
// set line end
else
{
if (mCurrentLine.Source != null && sender == mCurrentLine.Source) { mCurrentLine.Erase(); mCurrentLine = null; }
else if (mCurrentLine.Target != null && sender == mCurrentLine.Target) { mCurrentLine.Erase(); mCurrentLine = null; }
else if (mCurrentLine.TargetLink == null && e.type == LinkType.Out) { mCurrentLine.Erase(); mCurrentLine = null; }
else if (mCurrentLine.SourceLink == null && e.type != LinkType.Out) { mCurrentLine.Erase(); mCurrentLine = null; }
else if (obj.Module == null) { mCurrentLine.Erase(); mCurrentLine = null; }
else
{
if (e.id.Connection != null) obj_Erase(sender, e);
mCurrentLine.EndLink(e.type, e.id);
mLines.Add(mCurrentLine);
mCurrentLine = null;
}
}
}