/// <summary>
/// This method pushes changes from the GraphLayout.Graph objects
/// back to the workspace models, but only for nodes placed by NodeAutocomplete.
/// </summary>
private static void SaveLayoutGraphForNodeAutoComplete(this WorkspaceModel workspace, List <GraphLayout.Graph> layoutSubgraphs, Guid?originalNodeGUID)
{
// Assign coordinates to nodes outside groups
foreach (var node in workspace.Nodes)
{
GraphLayout.Graph graph = layoutSubgraphs
.FirstOrDefault(g => g.FindNode(node.GUID) != null);
if (graph != null)
{
GraphLayout.Node n = graph.FindNode(node.GUID);
double offsetY = graph.OffsetY;
//skipping the original node to avoid jumping of node
if (node.GUID != originalNodeGUID)
{
node.X = n.X;
node.Y = n.Y + n.NotesHeight + offsetY;
}
node.ReportPosition();
workspace.HasUnsavedChanges = true;
double noteOffset = -n.NotesHeight;
foreach (NoteModel note in n.LinkedNotes)
{
if (note.IsSelected || DynamoSelection.Instance.Selection.Count == 0)
{
note.X = node.X;
note.Y = node.Y + noteOffset;
noteOffset += note.Height + GraphLayout.Graph.VerticalNoteDistance;
note.ReportPosition();
}
}
}
}
}
private void DoGraphAutoLayout(object o)
{
if (Model.Nodes.Count == 0)
{
return;
}
var graph = new GraphLayout.Graph();
var models = new Dictionary <ModelBase, UndoRedoRecorder.UserAction>();
foreach (NodeModel x in Model.Nodes)
{
graph.AddNode(x.GUID, x.Width, x.Height, x.Y);
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
foreach (ConnectorModel x in Model.Connectors)
{
graph.AddEdge(x.Start.Owner.GUID, x.End.Owner.GUID, x.Start.Center.Y, x.End.Center.Y);
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
Model.RecordModelsForModification(new List <ModelBase>(Model.Nodes));
// Sugiyama algorithm steps
graph.RemoveCycles();
graph.AssignLayers();
graph.OrderNodes();
// Assign coordinates to node models
graph.NormalizeGraphPosition();
foreach (var x in Model.Nodes)
{
var id = x.GUID;
x.X = graph.FindNode(id).X;
x.Y = graph.FindNode(id).Y;
x.ReportPosition();
}
// Fit view to the new graph layout
DynamoSelection.Instance.ClearSelection();
ResetFitViewToggle(null);
FitViewInternal();
}
private void DoGraphAutoLayout(object o)
{
if (Model.Nodes.Count() == 0)
{
return;
}
var graph = new GraphLayout.Graph();
var models = new Dictionary <ModelBase, UndoRedoRecorder.UserAction>();
foreach (AnnotationModel x in Model.Annotations)
{
// Treat a group as a graph layout node/vertex
graph.AddNode(x.GUID, x.Width, x.Height, x.Y);
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
foreach (NodeModel x in Model.Nodes)
{
AnnotationModel group = Model.Annotations.Where(
s => s.SelectedModels.Contains(x)).ToList().FirstOrDefault();
// Do not process nodes within groups
if (group == null)
{
graph.AddNode(x.GUID, x.Width, x.Height, x.Y);
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
}
foreach (ConnectorModel x in Model.Connectors)
{
AnnotationModel startGroup = null, endGroup = null;
startGroup = Model.Annotations.Where(
s => s.SelectedModels.Contains(x.Start.Owner)).ToList().FirstOrDefault();
endGroup = Model.Annotations.Where(
s => s.SelectedModels.Contains(x.End.Owner)).ToList().FirstOrDefault();
// Connector does not belong to any group
if ((startGroup == null) && (endGroup == null))
{
graph.AddEdge(x.Start.Owner.GUID, x.End.Owner.GUID, x.Start.Center.Y, x.End.Center.Y);
}
// Connector starts from a node within a group
else if ((startGroup != null) && (endGroup == null))
{
graph.AddEdge(startGroup.GUID, x.End.Owner.GUID, x.Start.Center.Y, x.End.Center.Y);
}
// Connector ends at a node within a group
else if ((startGroup == null) && (endGroup != null))
{
graph.AddEdge(x.Start.Owner.GUID, endGroup.GUID, x.Start.Center.Y, x.End.Center.Y);
}
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
// Support undo for graph layout command
WorkspaceModel.RecordModelsForModification(new List <ModelBase>(Model.Nodes), Model.UndoRecorder);
// Sugiyama algorithm steps
graph.RemoveCycles();
graph.AssignLayers();
graph.OrderNodes();
graph.NormalizeGraphPosition();
// Assign coordinates to nodes inside groups
foreach (var x in Model.Annotations)
{
var id = x.GUID;
double deltaX = graph.FindNode(id).X - x.X;
double deltaY = graph.FindNode(id).Y - x.Y;
foreach (var n in x.SelectedModels)
{
n.X += deltaX;
n.Y += deltaY;
n.ReportPosition();
}
}
// Assign coordinates to nodes outside groups
foreach (var x in Model.Nodes)
{
var n = graph.FindNode(x.GUID);
if (n != null)
{
x.X = n.X;
x.Y = n.Y;
x.ReportPosition();
}
}
// Fit view to the new graph layout
DynamoSelection.Instance.ClearSelection();
ResetFitViewToggle(null);
FitViewInternal();
}
private void DoGraphAutoLayout(object o)
{
if (Model.Nodes.Count == 0)
return;
var graph = new GraphLayout.Graph();
var models = new Dictionary<ModelBase, UndoRedoRecorder.UserAction>();
foreach (NodeModel x in Model.Nodes)
{
graph.AddNode(x.GUID, x.Width, x.Height, x.Y);
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
foreach (ConnectorModel x in Model.Connectors)
{
graph.AddEdge(x.Start.Owner.GUID, x.End.Owner.GUID, x.Start.Center.Y, x.End.Center.Y);
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
Model.RecordModelsForModification(new List<ModelBase>(Model.Nodes));
// Sugiyama algorithm steps
graph.RemoveCycles();
graph.AssignLayers();
graph.OrderNodes();
// Assign coordinates to node models
graph.NormalizeGraphPosition();
foreach (var x in Model.Nodes)
{
var id = x.GUID;
x.X = graph.FindNode(id).X;
x.Y = graph.FindNode(id).Y;
x.ReportPosition();
}
// Fit view to the new graph layout
DynamoSelection.Instance.ClearSelection();
ResetFitViewToggle(null);
FitViewInternal();
}
private void DoGraphAutoLayout(object o)
{
if (Model.Nodes.Count() == 0)
return;
var graph = new GraphLayout.Graph();
var models = new Dictionary<ModelBase, UndoRedoRecorder.UserAction>();
foreach (AnnotationModel x in Model.Annotations)
{
// Treat a group as a graph layout node/vertex
graph.AddNode(x.GUID, x.Width, x.Height, x.Y);
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
foreach (NodeModel x in Model.Nodes)
{
AnnotationModel group = Model.Annotations.Where(
s => s.SelectedModels.Contains(x)).ToList().FirstOrDefault();
// Do not process nodes within groups
if (group == null)
{
graph.AddNode(x.GUID, x.Width, x.Height, x.Y);
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
}
foreach (ConnectorModel x in Model.Connectors)
{
AnnotationModel startGroup = null, endGroup = null;
startGroup = Model.Annotations.Where(
s => s.SelectedModels.Contains(x.Start.Owner)).ToList().FirstOrDefault();
endGroup = Model.Annotations.Where(
s => s.SelectedModels.Contains(x.End.Owner)).ToList().FirstOrDefault();
// Connector does not belong to any group
if ((startGroup == null) && (endGroup == null))
graph.AddEdge(x.Start.Owner.GUID, x.End.Owner.GUID, x.Start.Center.Y, x.End.Center.Y);
// Connector starts from a node within a group
else if ((startGroup != null) && (endGroup == null))
graph.AddEdge(startGroup.GUID, x.End.Owner.GUID, x.Start.Center.Y, x.End.Center.Y);
// Connector ends at a node within a group
else if ((startGroup == null) && (endGroup != null))
graph.AddEdge(x.Start.Owner.GUID, endGroup.GUID, x.Start.Center.Y, x.End.Center.Y);
models.Add(x, UndoRedoRecorder.UserAction.Modification);
}
// Support undo for graph layout command
WorkspaceModel.RecordModelsForModification(new List<ModelBase>(Model.Nodes), Model.UndoRecorder);
// Sugiyama algorithm steps
graph.RemoveCycles();
graph.AssignLayers();
graph.OrderNodes();
graph.NormalizeGraphPosition();
// Assign coordinates to nodes inside groups
foreach (var x in Model.Annotations)
{
var id = x.GUID;
double deltaX = graph.FindNode(id).X - x.X;
double deltaY = graph.FindNode(id).Y - x.Y;
foreach (var n in x.SelectedModels)
{
n.X += deltaX;
n.Y += deltaY;
n.ReportPosition();
}
}
// Assign coordinates to nodes outside groups
foreach (var x in Model.Nodes)
{
var n = graph.FindNode(x.GUID);
if (n != null)
{
x.X = n.X;
x.Y = n.Y;
x.ReportPosition();
}
}
// Fit view to the new graph layout
DynamoSelection.Instance.ClearSelection();
ResetFitViewToggle(null);
FitViewInternal();
}
/// <summary>
/// This method pushes changes from the GraphLayout.Graph objects
/// back to the workspace models.
/// </summary>
private static void SaveLayoutGraph(this WorkspaceModel workspace, List <GraphLayout.Graph> layoutSubgraphs)
{
// Assign coordinates to nodes inside groups
foreach (var group in workspace.Annotations)
{
GraphLayout.Graph graph = layoutSubgraphs
.FirstOrDefault(g => g.FindNode(group.GUID) != null);
if (graph != null)
{
GraphLayout.Node n = graph.FindNode(group.GUID);
double deltaX = n.X - group.X;
double deltaY = n.Y - group.Y + graph.OffsetY;
foreach (var node in group.Nodes.OfType <NodeModel>())
{
node.X += deltaX;
node.Y += deltaY;
node.ReportPosition();
}
foreach (NoteModel note in n.LinkedNotes)
{
if (note.IsSelected || DynamoSelection.Instance.Selection.Count == 0)
{
note.X += deltaX;
note.Y += deltaY;
note.ReportPosition();
}
}
}
}
// Assign coordinates to nodes outside groups
foreach (var node in workspace.Nodes)
{
GraphLayout.Graph graph = layoutSubgraphs
.FirstOrDefault(g => g.FindNode(node.GUID) != null);
if (graph != null)
{
GraphLayout.Node n = graph.FindNode(node.GUID);
double offsetY = graph.OffsetY;
node.X = n.X;
node.Y = n.Y + n.NotesHeight + offsetY;
node.ReportPosition();
workspace.HasUnsavedChanges = true;
double noteOffset = -n.NotesHeight;
foreach (NoteModel note in n.LinkedNotes)
{
if (note.IsSelected || DynamoSelection.Instance.Selection.Count == 0)
{
note.X = node.X;
note.Y = node.Y + noteOffset;
noteOffset += note.Height + GraphLayout.Graph.VerticalNoteDistance;
note.ReportPosition();
}
}
}
}
}
/// <summary>
/// This method pushes changes from the GraphLayout.Graph objects
/// back to the workspace models.
/// </summary>
private static void SaveLayoutGraph(this WorkspaceModel workspace, List <GraphLayout.Graph> layoutSubgraphs)
{
// Assign coordinates to nodes inside groups
foreach (var group in workspace.Annotations)
{
GraphLayout.Graph graph = layoutSubgraphs
.FirstOrDefault(g => g.FindNode(group.GUID) != null);
if (graph != null)
{
GraphLayout.Node n = graph.FindNode(group.GUID);
double deltaX = n.X - group.X;
double deltaY = n.Y - group.Y + graph.OffsetY;
// We update the posistion of all nodes in the
// parent group + all nodes in any potential
// nested groups.
foreach (var node in group.Nodes
.OfType <NodeModel>()
.Union(group.Nodes.OfType <AnnotationModel>().SelectMany(x => x.Nodes.OfType <NodeModel>())))
{
node.X += deltaX;
node.Y += deltaY;
node.ReportPosition();
}
foreach (NoteModel note in n.LinkedNotes)
{
if (note.PinnedNode != null)
{
continue;
}
if (note.IsSelected || DynamoSelection.Instance.Selection.Count == 0)
{
note.X += deltaX;
note.Y += deltaY;
note.ReportPosition();
}
}
group.ReportPosition();
}
}
// Assign coordinates to nodes outside groups
foreach (var node in workspace.Nodes)
{
GraphLayout.Graph graph = layoutSubgraphs
.FirstOrDefault(g => g.FindNode(node.GUID) != null);
if (graph != null)
{
GraphLayout.Node n = graph.FindNode(node.GUID);
double offsetY = graph.OffsetY;
node.X = n.X;
node.Y = n.Y + n.NotesHeight + offsetY;
node.ReportPosition();
workspace.HasUnsavedChanges = true;
double noteOffset = -n.NotesHeight;
foreach (NoteModel note in n.LinkedNotes)
{
if (note.PinnedNode != null)
{
continue;
}
if (note.IsSelected || DynamoSelection.Instance.Selection.Count == 0)
{
note.X = node.X;
note.Y = node.Y + noteOffset;
noteOffset += note.Height + GraphLayout.Graph.VerticalNoteDistance;
note.ReportPosition();
}
}
}
}
// Assign coordinates to connectors outside of groups
foreach (var connector in workspace.Connectors)
{
foreach (var pin in connector.ConnectorPinModels)
{
GraphLayout.Graph graph = layoutSubgraphs
.FirstOrDefault(g => g.FindNode(pin.GUID) != null);
if (graph != null)
{
GraphLayout.Node n = graph.FindNode(pin.GUID);
pin.CenterX = n.X;
pin.CenterY = n.Y;
pin.ReportPosition();
workspace.HasUnsavedChanges = true;
}
}
}
}