protected override void ConfigureLayout()
{
OptionGroup generalGroup = Handler.GetGroupByName(GENERAL);
RadialLayout radialLayout = new RadialLayout();
radialLayout.MinimumNodeToNodeDistance = (double)generalGroup[MINIMAL_NODE_DISTANCE].Value;
String strategy = (string)generalGroup[EDGE_ROUTING_STRATEGY].Value;
switch (strategy)
{
case EDGE_POLYLINE:
radialLayout.EdgeRoutingStrategy = EdgeRoutingStrategy.Polyline;
break;
case EDGE_ARC:
radialLayout.EdgeRoutingStrategy = EdgeRoutingStrategy.Arc;
break;
case EDGE_BUNDLES:
EdgeBundling ebc = radialLayout.EdgeBundling;
EdgeBundleDescriptor descriptor = new EdgeBundleDescriptor();
descriptor.Bundled = true;
ebc.DefaultBundleDescriptor = descriptor;
ebc.BundlingStrength = (double)Handler.GetValue(GENERAL, EDGE_BUNDLING_STRENGTH);
break;
}
double minimumBendAngle = 1 +
(MAXIMUM_SMOOTHNESS - (int)generalGroup[EDGE_SMOOTHNESS].Value) *
SMOOTHNESS_ANGLE_FACTOR;
radialLayout.MinimumBendAngle = minimumBendAngle;
radialLayout.MinimumLayerDistance = (double)generalGroup[MINIMAL_LAYER_DISTANCE].Value;
radialLayout.MaximumChildSectorAngle = (double)generalGroup[MAXIMAL_CHILD_SECTOR_SIZE].Value;
String centerStrategy = (string)generalGroup[CENTER_STRATEGY].Value;
radialLayout.CenterNodesPolicy = centerNodeStrategies[centerStrategy];
radialLayout.LayeringStrategy = layeringStrategies[(string)generalGroup[LAYERING_STRATEGY].Value];
radialLayout.ConsiderNodeLabels = (bool)generalGroup[CONSIDER_NODE_LABELS].Value;
LayoutAlgorithm = radialLayout;
}
/// <summary>
/// configures tree reduction state and non-tree edge routing.
/// </summary>
protected override void PerformPreLayout()
{
if ((bool)Handler.GetValue(GENERAL, ALLOW_NON_TREE_EDGES))
{
additionalStage = new TreeReductionStage();
multiStageLayout.AppendStage(additionalStage);
string routingStyleChoice = (string)Handler.GetValue(GENERAL, ROUTING_STYLE_FOR_NON_TREE_EDGES);
switch (routingStyleChoice)
{
case ROUTE_ORGANIC:
OrganicEdgeRouter organic = new OrganicEdgeRouter();
additionalStage.NonTreeEdgeRouter = organic;
additionalStage.NonTreeEdgeSelectionKey = OrganicEdgeRouter.AffectedEdgesDpKey;
break;
case ROUTE_ORTHOGONAL:
EdgeRouter orthogonal = new EdgeRouter {
Rerouting = true,
Scope = Scope.RouteAffectedEdges
};
additionalStage.NonTreeEdgeSelectionKey = orthogonal.AffectedEdgesDpKey;
additionalStage.NonTreeEdgeRouter = orthogonal;
break;
case ROUTE_STRAIGHTLINE:
additionalStage.NonTreeEdgeRouter = additionalStage.CreateStraightLineRouter();
break;
case ROUTE_BUNDLED:
EdgeBundling ebc = additionalStage.EdgeBundling;
EdgeBundleDescriptor descriptor = new EdgeBundleDescriptor();
descriptor.Bundled = true;
ebc.DefaultBundleDescriptor = descriptor;
ebc.BundlingStrength = (double)Handler.GetValue(GENERAL, EDGE_BUNDLING_STRENGTH);
// Sets a new straight-line router in case some edges are not bundled, e.g. self-loops
OrganicEdgeRouter oer = new OrganicEdgeRouter();
additionalStage.NonTreeEdgeRouter = oer;
additionalStage.NonTreeEdgeSelectionKey = OrganicEdgeRouter.AffectedEdgesDpKey;
break;
}
}
}
///<inheritdoc/>
protected override void ConfigureLayout()
{
CircularLayout layout = new CircularLayout();
((ComponentLayout)layout.ComponentLayout).Style = ComponentArrangementStyles.MultiRows;
BalloonLayout treeLayout = layout.BalloonLayout;
layout.LayoutStyle = globalLayoutStyles[(string)Handler.GetValue(GENERAL, LAYOUT_STYLE)];
layout.SubgraphLayoutEnabled = (bool)Handler.GetValue(GENERAL, ACT_ON_SELECTION_ONLY);
layout.MaximumDeviationAngle = (int)Handler.GetValue(TREE, MAXIMAL_DEVIATION_ANGLE);
layout.FromSketchMode = (bool)Handler.GetValue(GENERAL, FROM_SKETCH);
layout.ConsiderNodeLabels = (bool)Handler.GetValue(GENERAL, HANDLE_NODE_LABELS);
layout.PartitionStyle = partitionLayoutStyles[(string)Handler.GetValue(CYCLE, PARTITION_LAYOUT_STYLE)];
layout.SingleCycleLayout.MinimumNodeDistance = (int)Handler.GetValue(CYCLE, MINIMAL_NODE_DISTANCE);
layout.SingleCycleLayout.AutomaticRadius = (bool)Handler.GetValue(CYCLE, CHOOSE_RADIUS_AUTOMATICALLY);
layout.SingleCycleLayout.FixedRadius = (int)Handler.GetValue(CYCLE, FIXED_RADIUS);
treeLayout.PreferredChildWedge = ((int)Handler.GetValue(TREE, PREFERRED_CHILD_WEDGE));
treeLayout.MinimumEdgeLength = (int)Handler.GetValue(TREE, MINIMAL_EDGE_LENGTH);
treeLayout.CompactnessFactor = (double)Handler.GetValue(TREE, COMPACTNESS_FACTOR);
treeLayout.AllowOverlaps = (bool)Handler.GetValue(TREE, ALLOW_OVERLAPS);
layout.PlaceChildrenOnCommonRadius = (bool)Handler.GetValue(TREE, PLACE_CHILDREN_ON_COMMON_RADIUS);
treeLayout.MinimumNodeDistance = (int)Handler.GetValue(TREE, MINIMAL_TREE_NODE_DISTANCE);
// Edge Bundling
EdgeBundling ebc = layout.EdgeBundling;
EdgeBundleDescriptor descriptor = new EdgeBundleDescriptor();
descriptor.Bundled = (bool)Handler.GetValue(EDGE_BUNDLING, EDGE_BUNDLING_ENABLED);
ebc.DefaultBundleDescriptor = descriptor;
ebc.BundlingStrength = (double)Handler.GetValue(EDGE_BUNDLING, EDGE_BUNDLING_STRENGTH);
LayoutAlgorithm = layout;
}