/// <summary>
/// Perform the layout operation
/// </summary>
private async Task DoLayout(Scope scope)
{
// layout starting, disable button
layoutButton.IsEnabled = false;
var busRouterData = new BusRouterData
{
EdgeDescriptors = { Delegate = edge => new BusDescriptor(((PolylineEdgeStyle)edge.Style).Pen) }
};
// layout applies only to selected subset of edges
if (scope == Scope.RouteAffectedEdges)
{
busRouterData.AffectedEdges.Items = edgesToRoute;
}
// tell the layout algorithm about the scope it should operate in
layout.Scope = scope;
// do the layout
await graphControl.MorphLayout(layout, TimeSpan.FromSeconds(1), busRouterData);
// layout finished, enable layout button again
layoutButton.IsEnabled = true;
}
protected override LayoutData CreateConfiguredLayoutData(GraphControl graphControl, ILayoutAlgorithm layout)
{
var layoutData = new BusRouterData();
var graph = graphControl.Graph;
var graphSelection = graphControl.Selection;
var scopePartial = ScopeItem == EnumScope.Partial;
var busIds = layoutData.EdgeDescriptors.Mapper;
foreach (var edge in graph.Edges)
{
var isFixed = scopePartial &&
!graphSelection.IsSelected(edge.GetSourceNode()) &&
!graphSelection.IsSelected(edge.GetTargetNode());
var id = GetBusId(edge, BusesItem);
var descriptor = new BusDescriptor(id, isFixed)
{
RoutingPolicy = RoutingPolicyItem
};
busIds[edge] = descriptor;
}
HashSet <object> selectedIds;
switch (ScopeItem)
{
case EnumScope.Subset:
layoutData.AffectedEdges.Delegate = graphSelection.IsSelected;
break;
case EnumScope.SubsetBus:
selectedIds = new HashSet <object>(graphSelection
.SelectedEdges
.Select(edge => busIds[edge].BusId));
layoutData.AffectedEdges.Delegate = edge => selectedIds.Contains(busIds[edge].BusId);
break;
case EnumScope.Partial:
selectedIds = new HashSet <object>(graphSelection
.SelectedNodes
.SelectMany(node => graph.EdgesAt(node))
.Select(edge => busIds[edge].BusId));
layoutData.AffectedEdges.Delegate = edge => selectedIds.Contains(busIds[edge].BusId);
var hideNonOrthogonalEdgesLayoutData = new GenericLayoutData();
hideNonOrthogonalEdgesLayoutData.AddItemCollection(HideNonOrthogonalEdgesStage.SelectedNodesDpKey).Source =
graphSelection.SelectedNodes;
return(layoutData.CombineWith(hideNonOrthogonalEdgesLayoutData));
}
return(layoutData);
}
protected override LayoutData CreateConfiguredLayoutData(GraphControl graphControl, ILayoutAlgorithm layout)
{
var layoutData = new BusRouterData();
var graph = graphControl.Graph;
var graphSelection = graphControl.Selection;
var scopePartial = ScopeItem == EnumScope.Partial;
var busIds = layoutData.EdgeDescriptors.Mapper;
foreach (var edge in graph.Edges)
{
var isFixed = scopePartial &&
!graphSelection.IsSelected(edge.GetSourceNode()) &&
!graphSelection.IsSelected(edge.GetTargetNode());
var id = GetBusId(edge, BusesItem);
busIds[edge] = new BusDescriptor(id, isFixed);
}
HashSet <object> selectedIds;
switch (ScopeItem)
{
case EnumScope.Subset:
layoutData.AffectedEdges.Delegate = graphSelection.IsSelected;
break;
case EnumScope.SubsetBus:
selectedIds = new HashSet <object>(graphSelection
.SelectedEdges
.Select(edge => busIds[edge].BusId));
layoutData.AffectedEdges.Delegate = edge => selectedIds.Contains(busIds[edge].BusId);
break;
case EnumScope.Partial:
selectedIds = new HashSet <object>(graphSelection
.SelectedNodes
.SelectMany(node => graph.EdgesAt(node))
.Select(edge => busIds[edge].BusId));
layoutData.AffectedEdges.Delegate = edge => selectedIds.Contains(busIds[edge].BusId);
return(new CompositeLayoutData {
Items =
{
layoutData,
new HideNonOrthogonalEdgesLayoutData {
SelectedNodes = { Source = graphSelection.SelectedNodes }
}
}
});
}
return(layoutData);
}