//Adds a process shape and line and returns a process
private SubChart AddSubChartImplementation(string key, Shape parent, Port port)
{
SubChart subChart = new SubChart();
PointF location = new PointF();
Group group = Runtime.CreateGroup();
SolidElement start = (port == null) ? (SolidElement)parent : (SolidElement)port;
//Set the location
if (Orientation == FlowchartOrientation.Vertical)
{
location = new PointF(start.Location.X, start.Location.Y + Spacing.Height);
if (port == null)
{
location.Y += parent.Rectangle.Height;
}
}
else
{
location = new PointF(start.Location.X + start.Rectangle.Width + Spacing.Width, start.Location.Y);
if (port == null)
{
location.X += parent.Rectangle.Width;
}
}
group.Location = location;
Shapes.Add(key, group);
//Offset the group
if (Orientation == FlowchartOrientation.Vertical)
{
group.Location = new PointF(location.X + (start.Rectangle.Width - group.Rectangle.Width) / 2, location.Y);
}
else
{
group.Location = new PointF(location.X, location.Y + (start.Rectangle.Height - group.Rectangle.Height) / 2);
}
//Next add two ports depending on the orientation
Port newport = null;
if (Orientation == FlowchartOrientation.Vertical)
{
newport = new Port(PortOrientation.Top); //Keep reference to add line
group.Ports.Add("top", newport);
group.Ports.Add("bottom", new Port(PortOrientation.Bottom));
}
else
{
newport = new Port(PortOrientation.Left); //Keep reference to add line
group.Ports.Add("left", newport);
group.Ports.Add("right", new Port(PortOrientation.Right));
}
//Finally link the group to the parent shape
Line line = CreateElement(LineMode);
if (port == null)
{
line.Start.Shape = parent;
}
else
{
line.Start.Port = port;
}
line.End.Port = newport;
line.End.Marker = new Arrow(false);
Lines.Add(Lines.CreateKey(), line);
//Set up subchart
subChart.Line = line;
subChart.Group = group;
subChart.Port = port;
return(subChart);
}