/// <summary>
/// This function calls the graph layout algorithm methods.
/// </summary>
/// <param name="graph">The subgraph to be processed.</param>
/// <param name="isGroupLayout">True if all selected models are groups.</param>
private void RunLayoutSubgraph(GraphLayout.Graph graph, bool isGroupLayout)
{
// Save subgraph position before running the layout
graph.RecordInitialPosition();
// Sugiyama algorithm steps
graph.RemoveCycles();
graph.AssignLayers();
graph.OrderNodes();
// Node and graph positioning
graph.DistributeNodePosition();
graph.SetGraphPosition(isGroupLayout);
}
/// <summary>
/// This function calls the graph layout algorithm methods.
/// </summary>
/// <param name="graph">The subgraph to be processed.</param>
/// <param name="isGroupLayout">True if all selected models are groups.</param>
private void RunLayoutSubgraph(GraphLayout.Graph graph, bool isGroupLayout)
{
// Select relevant nodes
graph.Nodes.ToList().ForEach(x => x.IsSelected = true);
// Save subgraph position before running the layout
graph.RecordInitialPosition();
// Sugiyama algorithm steps
graph.RemoveCycles();
graph.AssignLayers();
graph.OrderNodes();
// Node and graph positioning
graph.DistributeNodePosition();
graph.SetGraphPosition(isGroupLayout);
// Reset layer information and deselect nodes
graph.ResetLayers();
graph.Nodes.ToList().ForEach(x => x.IsSelected = false);
}
private void RunLayoutGraph(GraphLayout.Graph graph)
{
// Support undo for graph layout command
List<ModelBase> undoItems = new List<ModelBase>();
undoItems.AddRange(Model.Nodes);
undoItems.AddRange(Model.Notes);
WorkspaceModel.RecordModelsForModification(undoItems, Model.UndoRecorder);
graph.RecordInitialPosition();
// Sugiyama algorithm steps
graph.RemoveCycles();
graph.AssignLayers();
graph.OrderNodes();
// Node and graph positioning
graph.DistributeNodePosition();
graph.SetGraphPosition();
}
