protected override void PerformPreLayout()
{
base.PerformPreLayout();
OptionGroup layoutGroup = Handler.GetGroupByName(TOP_LEVEL);
string choice = (string)layoutGroup[SCOPE].Value;
if (choice == SCOPE_AT_SELECTED_NODES)
{
CurrentLayoutGraph.AddDataProvider(ParallelEdgeRouter.AffectedEdgesDpKey, new SelectedNodesDP(this));
}
else if (choice == SCOPE_SELECTED_EDGES)
{
CurrentLayoutGraph.AddDataProvider(ParallelEdgeRouter.AffectedEdgesDpKey, new SelectedEdgesDP(this));
}
else
{
CurrentLayoutGraph.AddDataProvider(ParallelEdgeRouter.AffectedEdgesDpKey, DataProviders.CreateConstantDataProvider(true));
}
if ((bool)layoutGroup[USE_SELECTED_EDGES_AS_MASTER].Value)
{
CurrentLayoutGraph.AddDataProvider(ParallelEdgeRouter.LeadingEdgeDpKey, new SelectedEdgesDP(this));
}
}
///<inheritdoc/>
protected override void PerformPreLayout()
{
base.PerformPreLayout();
string layoutStyle = (string)Handler.GetValue(GENERAL, LAYOUT_STYLE);
IDataProvider customGroupDP = CurrentLayoutGraph.GetDataProvider(CircularLayout.CustomGroupsDpKey);
if (layoutStyle.Equals(CUSTOM_GROUPS) && customGroupDP == null)
{
IDataProvider groupInfoDP = CurrentLayoutGraph.GetDataProvider(GroupingKeys.ParentNodeIdDpKey);
if (groupInfoDP == null)
{
//Set up dummy data provider for custom group layout style.
CurrentLayoutGraph.AddDataProvider(CircularLayout.CustomGroupsDpKey, DataProviders.CreateConstantDataProvider(null));
}
else
{
// use existing group info
CurrentLayoutGraph.AddDataProvider(CircularLayout.CustomGroupsDpKey, groupInfoDP);
}
}
}
