public Edge FindEdge(Node start, Node end)
{
foreach (Edge edge in Edges.Where(x => x.Active))
if (start.Equals(edge.StartNode) && end.Equals(edge.EndNode))
return edge;
return null;
}
public void AddToLayer(Node n, int currentLayer)
{
while (Layers.Count <= currentLayer)
Layers.Add(new List<Node>());
Layers[currentLayer].Add(n);
n.Layer = currentLayer;
}
/// <summary>
/// Finds an active edge between two nodes.
/// </summary>
/// <param name="start">Start node.</param>
/// <param name="end">End node.</param>
/// <returns>The edge object.</returns>
public Edge FindEdge(Node start, Node end)
{
foreach (Edge edge in Edges)
{
if (edge.Active && start.Equals(edge.StartNode) && end.Equals(edge.EndNode))
{
return edge;
}
}
return null;
}
public Edge(Guid startId, Guid endId, double startX, double startY, double endX, double endY, Graph ownerGraph)
{
StartX = startX;
StartY = startY;
EndX = endX;
EndY = endY;
OwnerGraph = ownerGraph;
StartNode = OwnerGraph.FindNode(startId);
if (StartNode != null)
{
StartNode.RightEdges.Add(this);
}
EndNode = OwnerGraph.FindNode(endId);
if (EndNode != null)
{
EndNode.LeftEdges.Add(this);
}
StartOffsetY = startY - StartNode.Y;
EndOffsetY = endY - EndNode.Y;
}
/// <summary>
/// Adds a new node to the graph object.
/// </summary>
/// <param name="guid">The guid as a unique identifier of the node.</param>
/// <param name="width">The width of the node view.</param>
/// <param name="height">The height of the node view.</param>
/// <param name="x">The x coordinate of the node view.</param>
/// <param name="y">The y coordinate of the node view.</param>
/// <param name="inPortCount">The number of input ports of the node.</param>
public void AddNode(Guid guid, double width, double height, double x, double y)
{
var node = new Node(guid, width, height, x, y, this);
Nodes.Add(node);
}
/// <summary>
/// Adds a new node to the graph object.
/// </summary>
/// <param name="guid">The guid as a unique identifier of the node.</param>
/// <param name="width">The width of the node view.</param>
/// <param name="height">The height of the node view.</param>
/// <param name="y">The y coordinate of the node view.</param>
/// <param name="inPortCount">The number of input ports of the node.</param>
public void AddNode(Guid guid, double width, double height, double y, int inPortCount = 0)
{
var node = new Node(guid, width, height, y, this);
node.InPortCount = inPortCount;
Nodes.Add(node);
}
/// <summary>
/// Adds a new node to the graph object.
/// </summary>
/// <param name="guid">The guid as a unique identifier of the node.</param>
/// <param name="width">The width of the node view.</param>
/// <param name="height">The height of the node view.</param>
/// <param name="x">The x coordinate of the node view.</param>
/// <param name="y">The y coordinate of the node view.</param>
/// <param name="isSelected">True if the node is selected in the workspace.</param>
public void AddNode(Guid guid, double width, double height, double x, double y, bool isSelected)
{
var node = new Node(guid, width, height, x, y, isSelected, this);
Nodes.Add(node);
}