///<inheritdoc/>
protected override void ConfigureLayout()
{
OptionGroup layoutGroup = (OptionGroup)Handler.GetGroupByName(LAYOUT_OPTIONS);
router.MinimumDistance = (int)layoutGroup[MINIMAL_NODE_DISTANCE].Value;
router.KeepExistingBends = (bool)layoutGroup[USE_BENDS].Value;
router.RouteAllEdges = (bool)layoutGroup[ROUTE_ONLY_NECESSARY].Value;
SequentialLayout sl = new SequentialLayout();
if ((bool)layoutGroup[ALLOW_MOVING_NODES].Value)
{
//if we are allowed to move nodes, we can improve the routing results by temporarily enlarging nodes and removing overlaps
//(this strategy ensures that there is enough space for the edges)
CompositeLayoutStage cls = new CompositeLayoutStage();
cls.AppendStage(router.CreateNodeEnlargementStage());
cls.AppendStage(new RemoveOverlapsStage(0));
sl.AppendLayout(cls);
}
if (router.KeepExistingBends)
{
//we want to keep the original bends
BendConverter bendConverter = new BendConverter();
bendConverter.AffectedEdgesDpKey = OrganicEdgeRouter.AffectedEdgesDpKey;
bendConverter.AdoptAffectedEdges = (bool)layoutGroup[SELECTION_ONLY].Value;
bendConverter.CoreLayout = router;
sl.AppendLayout(bendConverter);
}
else
{
sl.AppendLayout(router);
}
LayoutAlgorithm = new HideGroupsStage(sl);
}
/// <inheritdoc />
protected override ILayoutAlgorithm CreateConfiguredLayout(GraphControl graphControl)
{
var router = new OrganicEdgeRouter();
router.MinimumDistance = MinimumNodeDistanceItem;
router.KeepExistingBends = KeepExistingBendsItem;
router.RouteAllEdges = !RouteOnlyNecessaryItem;
var layout = new SequentialLayout();
if (AllowMovingNodesItem)
{
//if we are allowed to move nodes, we can improve the routing results by temporarily enlarging nodes and removing overlaps
//(this strategy ensures that there is enough space for the edges)
var cls = new CompositeLayoutStage();
cls.AppendStage(router.CreateNodeEnlargementStage());
cls.AppendStage(new RemoveOverlapsStage(0));
layout.AppendLayout(cls);
}
if (router.KeepExistingBends)
{
//we want to keep the original bends
var bendConverter = new BendConverter {
AffectedEdgesDpKey = OrganicEdgeRouter.AffectedEdgesDpKey,
AdoptAffectedEdges = SelectionOnlyItem,
CoreLayout = router
};
layout.AppendLayout(bendConverter);
}
else
{
layout.AppendLayout(router);
}
return(layout);
}