private void PerformLayout(Hashtable args)
{
// create a layout
NSpringLayout layout = new NSpringLayout();
// configure the optional forces
layout.BounceBackForce.Padding = 100f;
layout.GravityForce.AttractionCoefficient = 0.2f;
// configure the layout
if (args != null)
{
layout.BounceBackForce.Enabled = Boolean.Parse(args["BounceBackForce"].ToString());
layout.GravityForce.Enabled = Boolean.Parse(args["GravityForce"].ToString());
layout.ElectricalForce.NominalDistance = Single.Parse(args["NominalDistance"].ToString());
layout.SpringForce.LogBase = NLayoutsHelper.ParseFloat(args["LogBase"]);
layout.SpringForce.SpringForceLaw = (SpringForceLaw)Enum.Parse(typeof(SpringForceLaw), args["SpringForceLaw"].ToString());
}
// get the shapes to layout
NNodeList shapes = NDrawingView1.Document.ActiveLayer.Children(NFilters.Shape2D);
// layout the shapes
layout.Layout(shapes, new NDrawingLayoutContext(NDrawingView1.Document));
// resize document to fit all shapes
NDrawingView1.Document.SizeToContent();
}
protected override void LoadExample()
{
// create and configure the spring layout
m_Layout = new NSpringLayout();
// hook the iteration completed event
m_Layout.IterationCompleted += new GraphLayoutCancelEventHandler(layout_IterationCompleted);
// select it in the property grid
propertyGrid1.SelectedObject = m_Layout;
view.BeginInit();
view.Grid.Visible = false;
view.GlobalVisibility.ShowPorts = false;
view.GlobalVisibility.ShowArrowheads = false;
view.ViewLayout = ViewLayout.Fit;
// init document
document.BeginInit();
InitDocument();
document.EndInit();
// end view init
view.EndInit();
}
void INCustomRequestCallback.OnCustomRequestCallback(NAspNetThinWebControl control, NRequestContext context, string argument)
{
NThinDiagramControl diagramControl = (NThinDiagramControl)control;
NDrawingDocument document = diagramControl.Document;
NDrawingDocumentHelper helper = new NDrawingDocumentHelper(document);
Dictionary <string, string> settings = helper.ParseSettings(argument);
// Create and configure the layout
NSpringLayout layout = new NSpringLayout();
layout.BounceBackForce.Padding = 100f;
layout.GravityForce.AttractionCoefficient = 0.2f;
layout.BounceBackForce.Enabled = Boolean.Parse(settings["BounceBackForce"]);
layout.GravityForce.Enabled = Boolean.Parse(settings["GravityForce"]);
layout.ElectricalForce.NominalDistance = Single.Parse(settings["NominalDistance"]);
layout.SpringForce.LogBase = helper.ParseFloat(settings["LogBase"]);
layout.SpringForce.SpringForceLaw = (SpringForceLaw)Enum.Parse(typeof(SpringForceLaw), settings["SpringForceLaw"]);
// Get the shapes to layout
NNodeList shapes = document.ActiveLayer.Children(NFilters.Shape2D);
// Layout the shapes
layout.Layout(shapes, new NDrawingLayoutContext(document));
// Resize document to fit all shapes
document.SizeToContent();
// Update the view
diagramControl.UpdateView();
}
protected override void LoadExample()
{
m_NodeSize = new NSizeF(25, 25);
m_Layout = new NSpringLayout();
// begin view init
view.BeginInit();
view.Grid.Visible = false;
view.HorizontalRuler.Visible = false;
view.VerticalRuler.Visible = false;
// init document
document.BeginInit();
InitDocument();
document.EndInit();
// end view init
view.EndInit();
}
private void InitDocument(NDrawingDocument document)
{
// Remove the standard frame
document.BackgroundStyle.FrameStyle.Visible = false;
// Adjust the graphics quality
document.GraphicsSettings.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
// Set up visual formatting
document.Style.FillStyle = new NColorFillStyle(Color.Linen);
document.Style.StartArrowheadStyle = new NArrowheadStyle(ArrowheadShape.None, "", NSizeL.Empty,
document.Style.FillStyle, document.Style.StrokeStyle);
document.Style.EndArrowheadStyle = new NArrowheadStyle(ArrowheadShape.None, "", NSizeL.Empty,
document.Style.FillStyle, document.Style.StrokeStyle);
// Adjust the text properties
document.Style.TextStyle.FontStyle = new NFontStyle("arial", 15f);
// Create the initial diagram
CreatePredefinedGraph(document);
// Create the layout
NSpringLayout layout = new NSpringLayout();
// Configure the optional forces
layout.BounceBackForce.Padding = 100f;
layout.GravityForce.AttractionCoefficient = 0.2f;
// Get the shapes to layout
NNodeList shapes = document.ActiveLayer.Children(NFilters.Shape2D);
// Layout the shapes
layout.Layout(shapes, new NDrawingLayoutContext(document));
// Resize document to fit all shapes
document.SizeToContent();
}
