///<inheritdoc/>
protected override void PerformPreLayout()
{
String selGroupPolicy = (String)Handler.GetValue(GROUPING, GROUP_LAYOUT_POLICY);
String edgeLabelingName = (String)Handler.GetValue(LABELING, EDGE_LABELING);
MultiStageLayout multiStageLayout = LayoutAlgorithm as MultiStageLayout;
IDataProvider upwardDP = null;
if ((upwardDP = CurrentLayoutGraph.GetDataProvider(OrthogonalLayout.DirectedEdgeDpKey)) == null)
{
//determine upward edges if not already marked.
if ((bool)Handler.GetValue(EDGES, DRAW_SELECTED_EDGES_UPWARDS))
{
CurrentLayoutGraph.AddDataProvider(OrthogonalLayout.DirectedEdgeDpKey, upwardDP = new UpwardEdgeDP(this));
}
}
// if ((bool)Handler.GetValue(EDGES, UPWARD_EDGE_BUS_ROUTING) && upwardDP != null) {
// sgDPOrig = CurrentLayoutGraph.GetDataProvider(PortConstraintKeys.SourceGroupIdDpKey);
// tgDPOrig = CurrentLayoutGraph.GetDataProvider(PortConstraintKeys.TargetGroupIdDpKey);
// sourceGroupMap = CurrentLayoutGraph.CreateEdgeMap();
// tgMap = CurrentLayoutGraph.CreateEdgeMap();
// CurrentLayoutGraph.AddDataProvider(PortConstraintKeys.SourceGroupIdDpKey, sourceGroupMap);
// CurrentLayoutGraph.AddDataProvider(PortConstraintKeys.TargetGroupIdDpKey, tgMap);
// AutoGroupEdges(CurrentLayoutGraph, sourceGroupMap, tgMap, upwardDP);
// }
if ((selGroupPolicy != IGNORE_GROUPS) && ContainsGroupNodes())
{
multiStageLayout.HideGroupsStageEnabled = false;
if (FIX_GROUPS == selGroupPolicy)
{
var fgl = new FixGroupLayoutStage();
fgl.InterEdgeRoutingStyle = InterEdgeRoutingStyle.Orthogonal;
if (multiStageLayout != null)
{
multiStageLayout.PrependStage(fgl);
preStage = fgl;
}
}
}
else
{
multiStageLayout.HideGroupsStageEnabled = true;
}
if (edgeLabelingName == GENERIC && multiStageLayout != null)
{
var la = new GenericLabeling();
la.MaximumDuration = 0;
la.PlaceNodeLabels = false;
la.PlaceEdgeLabels = true;
la.AutoFlipping = true;
la.ProfitModel = new SimpleProfitModel();
multiStageLayout.Labeling = la;
}
}
///<inheritdoc/>
protected override void ConfigureLayout()
{
string style = (string)Handler.GetValue(GENERAL, LAYOUT_STYLE);
if (style.Equals(DIRECTED))
{
multiStageLayout = ConfigureDirectedRouter();
}
else if (style.Equals(AR))
{
multiStageLayout = ConfigureARRouter();
}
((ComponentLayout)multiStageLayout.ComponentLayout).Style = ComponentArrangementStyles.MultiRows;
multiStageLayout.SubgraphLayoutEnabled = (bool)Handler.GetValue(GENERAL, ACT_ON_SELECTION_ONLY);
LayoutAlgorithm = multiStageLayout;
}
///<inheritdoc/>
protected override void ConfigureLayout()
{
BalloonLayout balloon = new BalloonLayout();
((ComponentLayout)balloon.ComponentLayout).Style = ComponentArrangementStyles.MultiRows;
string rootNodePolicyChoice = (string)Handler.GetValue(GENERAL, ROOT_NODE_POLICY);
balloon.RootNodePolicy = enumRoot[rootNodePolicyChoice];
balloon.PreferredChildWedge = (int)Handler.GetValue(GENERAL, PREFERRED_CHILD_WEDGE);
balloon.PreferredRootWedge = (int)Handler.GetValue(GENERAL, PREFERRED_ROOT_WEDGE);
balloon.MinimumEdgeLength = (int)Handler.GetValue(GENERAL, MINIMAL_EDGE_LENGTH);
balloon.CompactnessFactor = (double)Handler.GetValue(GENERAL, COMPACTNESS_FACTOR);
balloon.AllowOverlaps = (bool)Handler.GetValue(GENERAL, ALLOW_OVERLAPS);
balloon.FromSketchMode = (bool)Handler.GetValue(GENERAL, BALLOON_FROM_SKETCH);
balloon.ChainStraighteningMode = (bool)Handler.GetValue(GENERAL, STRAIGHTEN_CHAINS);
balloon.InterleavedMode = (bool)Handler.GetValue(GENERAL, PLACE_CHILDREN_INTERLEAVED) ? InterleavedMode.AllNodes : InterleavedMode.Off;
balloon.IntegratedEdgeLabeling = (bool)Handler.GetValue(LABELING, INTEGRATED_EDGE_LABELING);
switch ((string)Handler.GetValue(LABELING, NODE_LABELING_STYLE))
{
case NODE_LABELING_STYLE_RAYLIKE_LEAVES:
balloon.IntegratedNodeLabeling = true;
balloon.NodeLabelingPolicy = NodeLabelingPolicy.RayLikeLeaves;
break;
case NODE_LABELING_STYLE_CONSIDER_CURRENT_POSITION:
balloon.ConsiderNodeLabels = true;
break;
case NODE_LABELING_STYLE_HORIZONTAL:
balloon.IntegratedEdgeLabeling = true;
balloon.NodeLabelingPolicy = NodeLabelingPolicy.Horizontal;
break;
}
balloon.SubgraphLayoutEnabled = (bool)Handler.GetValue(GENERAL, ACT_ON_SELECTION_ONLY);
multiStageLayout = balloon;
LayoutAlgorithm = balloon;
}
///<inheritdoc/>
protected override void PerformPostLayout()
{
MultiStageLayout multiStageLayout = LayoutAlgorithm as MultiStageLayout;
if ((preStage != null) && (multiStageLayout != null))
{
multiStageLayout.RemoveStage(preStage);
}
if (sgDPOrig != null)
{
CurrentLayoutGraph.AddDataProvider(PortConstraintKeys.SourceGroupIdDpKey, sgDPOrig);
sgDPOrig = null;
}
if (tgDPOrig != null)
{
CurrentLayoutGraph.AddDataProvider(PortConstraintKeys.TargetGroupIdDpKey, tgDPOrig);
tgDPOrig = null;
}
if (sourceGroupMap != null)
{
CurrentLayoutGraph.DisposeEdgeMap(sourceGroupMap);
sourceGroupMap = null;
}
if (tgMap != null)
{
CurrentLayoutGraph.DisposeEdgeMap(tgMap);
tgMap = null;
}
CurrentLayoutGraph.RemoveDataProvider(OrthogonalLayout.DirectedEdgeDpKey);
IGraph graph = Context.Lookup <IGraph>();
if (graph != null)
{
ClearPreferredLabelPlacement(graph);
}
}
private static void DisableAutoFlipping(MultiStageLayout multiStageLayout)
{
var labelLayoutTranslator = (LabelLayoutTranslator)multiStageLayout.Labeling;
labelLayoutTranslator.AutoFlipping = false;
}
/// <inheritdoc />
protected override ILayoutAlgorithm CreateConfiguredLayout(GraphControl graphControl)
{
var layout = new BalloonLayout();
((ComponentLayout)layout.ComponentLayout).Style = ComponentArrangementStyles.MultiRows;
layout.RootNodePolicy = RootNodePolicyItem;
layout.PreferredChildWedge = PreferredChildWedgeItem;
layout.PreferredRootWedge = PreferredRootWedgeItem;
layout.MinimumEdgeLength = MinimumEdgeLengthItem;
layout.CompactnessFactor = 1 - CompactnessFactorItem;
layout.AllowOverlaps = AllowOverlapsItem;
layout.FromSketchMode = FromSketchItem;
layout.ChainStraighteningMode = StraightenChainsItem;
layout.InterleavedMode = PlaceChildrenInterleavedItem ? InterleavedMode.AllNodes : InterleavedMode.Off;
switch (NodeLabelingStyleItem)
{
case EnumNodeLabelingPolicies.None:
layout.ConsiderNodeLabels = false;
break;
case EnumNodeLabelingPolicies.RaylikeLeaves:
layout.IntegratedNodeLabeling = true;
layout.NodeLabelingPolicy = NodeLabelingPolicy.RayLikeLeaves;
break;
case EnumNodeLabelingPolicies.ConsiderCurrentPosition:
layout.ConsiderNodeLabels = true;
break;
case EnumNodeLabelingPolicies.Horizontal:
layout.IntegratedNodeLabeling = true;
layout.NodeLabelingPolicy = NodeLabelingPolicy.Horizontal;
break;
default:
layout.ConsiderNodeLabels = false;
break;
}
// configures tree reduction stage and non-tree edge routing.
layout.SubgraphLayoutEnabled = ActOnSelectionOnlyItem;
MultiStageLayout multiStageLayout = layout;
var treeReductionStage = new TreeReductionStage();
multiStageLayout.AppendStage(treeReductionStage);
if (RoutingStyleForNonTreeEdgesItem == EnumRoute.Organic)
{
var organic = new OrganicEdgeRouter();
treeReductionStage.NonTreeEdgeRouter = organic;
treeReductionStage.NonTreeEdgeSelectionKey = OrganicEdgeRouter.AffectedEdgesDpKey;
}
else if (RoutingStyleForNonTreeEdgesItem == EnumRoute.Orthogonal)
{
var edgeRouter = new EdgeRouter {
Rerouting = true,
Scope = Scope.RouteAffectedEdges
};
treeReductionStage.NonTreeEdgeSelectionKey = edgeRouter.AffectedEdgesDpKey;
treeReductionStage.NonTreeEdgeRouter = edgeRouter;
}
else if (RoutingStyleForNonTreeEdgesItem == EnumRoute.StraightLine)
{
treeReductionStage.NonTreeEdgeRouter = treeReductionStage.CreateStraightLineRouter();
}
else if (RoutingStyleForNonTreeEdgesItem == EnumRoute.Bundled)
{
var ebc = treeReductionStage.EdgeBundling;
var bundleDescriptor = new EdgeBundleDescriptor {
Bundled = true
};
ebc.BundlingStrength = EdgeBundlingStrengthItem;
ebc.DefaultBundleDescriptor = bundleDescriptor;
}
if (EdgeLabelingItem == EnumEdgeLabeling.Generic)
{
layout.IntegratedEdgeLabeling = false;
var genericLabeling = new GenericLabeling {
PlaceEdgeLabels = true,
PlaceNodeLabels = false,
ReduceAmbiguity = ReduceAmbiguityItem
};
layout.LabelingEnabled = true;
layout.Labeling = genericLabeling;
}
else if (EdgeLabelingItem == EnumEdgeLabeling.Integrated)
{
layout.IntegratedEdgeLabeling = true;
treeReductionStage.NonTreeEdgeLabelingAlgorithm = new GenericLabeling();
}
if (NodeLabelingStyleItem == EnumNodeLabelingPolicies.RaylikeLeaves || NodeLabelingStyleItem == EnumNodeLabelingPolicies.Horizontal)
{
foreach (var label in graphControl.Graph.GetNodeLabels())
{
graphControl.Graph.SetLabelLayoutParameter(label, FreeNodeLabelModel.Instance.FindBestParameter(label, FreeNodeLabelModel.Instance, label.GetLayout()));
}
}
return(layout);
}
