/// <inheritdoc />
protected override ILayoutAlgorithm CreateConfiguredLayout(GraphControl graphControl)
{
var layout = new OrthogonalLayout();
if (GroupLayoutPolicyItem == EnumGroupPolicy.FixGroups)
{
var fgl = new FixGroupLayoutStage {
InterEdgeRoutingStyle = InterEdgeRoutingStyle.Orthogonal
};
layout.PrependStage(fgl);
}
else if (GroupLayoutPolicyItem == EnumGroupPolicy.IgnoreGroups)
{
layout.HideGroupsStageEnabled = true;
}
layout.LayoutStyle = StyleItem;
layout.GridSpacing = GridSpacingItem;
layout.EdgeLengthReduction = EdgeLengthReductionItem;
layout.OptimizePerceivedBends = PerceivedBendsPostprocessingItem;
layout.UniformPortAssignment = UniformPortAssignmentItem;
layout.CrossingReduction = CrossingReductionItem;
layout.Randomization = UseRandomizationItem;
layout.FaceMaximization = UseFaceMaximizationItem;
layout.FromSketchMode = UseExistingDrawingAsSketchItem;
layout.EdgeLayoutDescriptor.MinimumFirstSegmentLength = MinimumFirstSegmentLengthItem;
layout.EdgeLayoutDescriptor.MinimumLastSegmentLength = MinimumLastSegmentLengthItem;
layout.EdgeLayoutDescriptor.MinimumSegmentLength = MinimumSegmentLengthItem;
//set edge labeling options
var normalStyle = layout.LayoutStyle == LayoutStyle.Normal;
layout.IntegratedEdgeLabeling = EdgeLabelingItem == EnumEdgeLabeling.Integrated && normalStyle;
layout.ConsiderNodeLabels = ConsiderNodeLabelsItem && normalStyle;
if (EdgeLabelingItem == EnumEdgeLabeling.Generic ||
(EdgeLabelingItem == EnumEdgeLabeling.Integrated && normalStyle))
{
layout.LabelingEnabled = true;
if (EdgeLabelingItem == EnumEdgeLabeling.Generic)
{
((GenericLabeling)layout.Labeling).ReduceAmbiguity = ReduceAmbiguityItem;
}
}
else if (!ConsiderNodeLabelsItem || !normalStyle)
{
layout.LabelingEnabled = false;
}
layout.ChainStyle = ChainSubstructureStyleItem;
layout.ChainSize = ChainSubstructureSizeItem;
layout.CycleStyle = CycleSubstructureStyleItem;
layout.CycleSize = CycleSubstructureSizeItem;
layout.TreeStyle = TreeSubstructureStyleItem;
layout.TreeSize = TreeSubstructureSizeItem;
layout.TreeOrientation = TreeSubstructureOrientationItem;
return(layout);
}
///<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;
}
}