private void btnLayoutGroupA_Click(object sender, System.EventArgs e)
{
NLayeredTreeLayout layout = new NLayeredTreeLayout();
layout.PlugSpacing.Mode = PlugSpacingMode.None;
layout.Layout(Group1.Shapes.Children(null), new NDrawingLayoutContext(document, Group1));
Group1.UpdateModelBounds();
LayoutGroups();
}
private void LayoutGroups()
{
NLayeredTreeLayout layout = new NLayeredTreeLayout();
layout.PlugSpacing.Mode = PlugSpacingMode.None;
NNodeList shapes = new NNodeList();
shapes.Add(document.ActiveLayer.GetChildByName("treeRoot"));
shapes.Add(document.ActiveLayer.GetChildByName("leftEdge"));
shapes.Add(document.ActiveLayer.GetChildByName("rightEdge"));
shapes.Add(Group1);
shapes.Add(Group2);
layout.Layout(shapes, new NDrawingLayoutContext(document, shapes));
Group1.UpdateModelBounds();
Group2.UpdateModelBounds();
}
private void InitDocument()
{
// create the groups
Group1 = CreateGroup("A");
Group2 = CreateGroup("B");
// apply default styles
Group1.Style.FillStyle = new NColorFillStyle(Color.FromArgb(50, 204, 0, 0));
Group2.Style.FillStyle = new NColorFillStyle(Color.FromArgb(50, 0, 204, 0));
// create the root shape
NShape root = new NRectangleShape(0, 0, 40, 40);
root.Name = "treeRoot";
root.Text = "0";
document.ActiveLayer.AddChild(root);
CreateShapePorts(root);
NRoutableConnector connector = new NRoutableConnector(RoutableConnectorType.DynamicPolyline);
document.ActiveLayer.AddChild(connector);
connector.Name = "leftEdge";
connector.FromShape = root;
connector.ToShape = Group1;
connector = new NRoutableConnector(RoutableConnectorType.DynamicPolyline);
connector.Name = "rightEdge";
document.ActiveLayer.AddChild(connector);
connector.FromShape = root;
connector.ToShape = Group2;
// do layout
LayoutGroups();
Group1.UpdateModelBounds();
Group2.UpdateModelBounds();
}