internal DCluster(DObject parent, DrawingCluster drawingCluster)
: base(parent, drawingCluster)
{
Node.Attr.FillColor = Drawing.Color.White;
}
private void CreateMSAGLGraphAndPopulatePanelWithAssociatedControls()
{
if (Graph == null)
{
return;
}
Children.Clear();
idGenerator = new ObjectIDGenerator();
var edgeVMs = Graph.Edges.ToArray();
var nodeVMs = edgeVMs.Select(e => e.Head).Concat(edgeVMs.Select(e => e.Tail)).Distinct().Select(nvm => new NodeWrapper(nvm, idGenerator)).ToDictionary(nw => nw.VM, nw => nw);
var parentVMs = nodeVMs.Select(kv => Graph.Parent[kv.Key]).Where(pvm => pvm != null).Distinct().Select(pvm => nodeVMs[pvm]).ToArray();
var leafVMs = nodeVMs.Values.Except(parentVMs).ToArray();
graph = new Microsoft.Msagl.Drawing.Graph
{
LayoutAlgorithmSettings = CurrentLayoutSettings
};
graph.RootSubgraph.IsVisible = false;
vmOfCtrl = new Dictionary <IControl, Wrapper>();
foreach (var sgvm in parentVMs)
{
var sg = new Microsoft.Msagl.Drawing.Subgraph(sgvm.ID);
sgvm.DNode = sg;
var ctrl = CreateControl(sgvm.VM, n => new TextSticker
{
Text = n.ToString(),
HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Stretch,
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Stretch
}, 1);
vmOfCtrl[ctrl] = sgvm;
}
foreach (var sgvm in parentVMs)
{
var parent = Graph.Parent[sgvm.VM];
var pGraph = (parent == null) ? graph.RootSubgraph : (Microsoft.Msagl.Drawing.Subgraph)nodeVMs[parent].DNode;
pGraph.AddSubgraph((Microsoft.Msagl.Drawing.Subgraph)sgvm.DNode);
}
foreach (var evm in edgeVMs)
{
var dEdge = graph.AddEdge(nodeVMs[evm.Tail].ID, nodeVMs[evm.Head].ID);
dEdge.Attr.ArrowheadAtSource = Edge.GetArrowStyle(evm.TailSymbol);
dEdge.Attr.ArrowheadAtTarget = Edge.GetArrowStyle(evm.HeadSymbol);
dEdge.LabelText = "x";
evm.DEdge = dEdge;
CreateControl(evm, _ => new Connection(), 2);
}
foreach (var nvm in leafVMs)
{
var dNode = graph.FindNode(nvm.ID);
nvm.DNode = dNode;
var ctrl = CreateControl(nvm.VM, n => new TextSticker {
Text = n.ToString()
}, 4);
vmOfCtrl[ctrl] = nvm;
var parent = Graph.Parent[nvm.VM];
if (parent != null)
{
var pw = nodeVMs[parent];
((Microsoft.Msagl.Drawing.Subgraph)pw.DNode).AddNode(dNode);
}
}
graph.Attr.LayerDirection = (Graph.Orientation == Graph.Orientations.Vertical)
? Microsoft.Msagl.Drawing.LayerDirection.TB
: Microsoft.Msagl.Drawing.LayerDirection.LR;
var flowOrder = (Graph.Orientation == Graph.Orientations.Vertical) ? Graph.VerticalOrder : Graph.HorizontalOrder;
var otherOrder = (Graph.Orientation == Graph.Orientations.Vertical) ? Graph.HorizontalOrder : Graph.VerticalOrder;
IEnumerable <(NodeWrapper, NodeWrapper)> ComputeConstraints(Func <object, object, int> comparison) =>
(from n1 in nodeVMs
from n2 in nodeVMs
let order = comparison(n1.Key, n2.Key)
where order != 0
select(order < 0) ? (n1.Value, n2.Value) : (n2.Value, n1.Value)).Distinct();
foreach (var flowConstraint in ComputeConstraints(flowOrder))
{
graph.LayerConstraints.AddUpDownConstraint(flowConstraint.Item1.DNode, flowConstraint.Item2.DNode);
}
foreach (var otherConstraint in ComputeConstraints(otherOrder))
{
graph.LayerConstraints.AddLeftRightConstraint(otherConstraint.Item1.DNode, otherConstraint.Item2.DNode);
}
graph.CreateGeometryGraph();
graph.GeometryGraph.RootCluster.RectangularBoundary = new Microsoft.Msagl.Core.Geometry.RectangularClusterBoundary();
foreach (var evm in edgeVMs)
{
if (!evm.Label.Equals(string.Empty))
{
var ctrl = CreateControl(evm.Label, l => new TextBlock {
Text = l.ToString(), FontSize = 6
}, 3);
vmOfCtrl[ctrl] = new LabelWrapper(evm.Label, idGenerator, evm.DEdge.Label);
}
}
}
internal DCluster(DObject parent, DrawingCluster drawingCluster)
: base(parent, drawingCluster)
{
Node.Attr.FillColor = Drawing.Color.White;
}
