private OnRequestsFunctionNamePrompt ( Object sender, Dynamo.Models.FunctionNamePromptEventArgs e ) : void | ||
sender | Object | |
e | Dynamo.Models.FunctionNamePromptEventArgs | |
리턴 | void |
/// <summary> /// Collapse a set of nodes in a given workspace. /// </summary> /// <param name="dynamoModel">The current DynamoModel</param> /// <param name="selectedNodes"> The function definition for the user-defined node </param> /// <param name="currentWorkspace"> The workspace where</param> /// <param name="args"></param> public static void Collapse(DynamoModel dynamoModel, IEnumerable<NodeModel> selectedNodes, WorkspaceModel currentWorkspace, FunctionNamePromptEventArgs args = null) { var selectedNodeSet = new HashSet<NodeModel>(selectedNodes); if (args == null || !args.Success) { args = new FunctionNamePromptEventArgs(); dynamoModel.OnRequestsFunctionNamePrompt(null, args); if (!args.Success) { return; } } // Note that undoable actions are only recorded for the "currentWorkspace", // the nodes which get moved into "newNodeWorkspace" are not recorded for undo, // even in the new workspace. Their creations will simply be treated as part of // the opening of that new workspace (i.e. when a user opens a file, she will // not expect the nodes that show up to be undoable). // // After local nodes are moved into "newNodeWorkspace" as the result of // conversion, if user performs an undo, new set of nodes will be created in // "currentWorkspace" (not moving those nodes in the "newNodeWorkspace" back // into "currentWorkspace"). In another word, undo recording is on a per- // workspace basis, it does not work across different workspaces. // UndoRedoRecorder undoRecorder = currentWorkspace.UndoRecorder; using (undoRecorder.BeginActionGroup()) { var newNodeWorkspace = new CustomNodeWorkspaceModel( dynamoModel, args.Name, args.Category, args.Description, 0, 0) { WatchChanges = false, HasUnsavedChanges = true }; var newNodeDefinition = new CustomNodeDefinition(Guid.NewGuid()) { WorkspaceModel = newNodeWorkspace }; currentWorkspace.DisableReporting(); #region Determine Inputs and Outputs //Step 1: determine which nodes will be inputs to the new node var inputs = new HashSet<Tuple<NodeModel, int, Tuple<int, NodeModel>>>( selectedNodeSet.SelectMany( node => Enumerable.Range(0, node.InPortData.Count) .Where(node.HasConnectedInput) .Select(data => Tuple.Create(node, data, node.Inputs[data])) .Where(input => !selectedNodeSet.Contains(input.Item3.Item2)))); var outputs = new HashSet<Tuple<NodeModel, int, Tuple<int, NodeModel>>>( selectedNodeSet.SelectMany( node => Enumerable.Range(0, node.OutPortData.Count) .Where(node.HasOutput) .SelectMany( data => node.Outputs[data].Where( output => !selectedNodeSet.Contains(output.Item2)) .Select(output => Tuple.Create(node, data, output))))); #endregion #region Detect 1-node holes (higher-order function extraction) var curriedNodeArgs = new HashSet<NodeModel>( inputs.Select(x => x.Item3.Item2) .Intersect(outputs.Select(x => x.Item3.Item2))).Select( outerNode => { //var node = new Apply1(); var node = newNodeWorkspace.AddNode<Apply1>(); node.SetNickNameFromAttribute(); node.DisableReporting(); node.X = outerNode.X; node.Y = outerNode.Y; //Fetch all input ports // in order // that have inputs // and whose input comes from an inner node List<int> inPortsConnected = Enumerable.Range(0, outerNode.InPortData.Count) .Where( x => outerNode.HasInput(x) && selectedNodeSet.Contains( outerNode.Inputs[x].Item2)) .ToList(); var nodeInputs = outputs.Where(output => output.Item3.Item2 == outerNode) .Select( output => new { InnerNodeInputSender = output.Item1, OuterNodeInPortData = output.Item3.Item1 }) .ToList(); nodeInputs.ForEach(_ => node.AddInput()); node.RegisterAllPorts(); return new { OuterNode = outerNode, InnerNode = node, Outputs = inputs.Where( input => input.Item3.Item2 == outerNode) .Select(input => input.Item3.Item1), Inputs = nodeInputs, OuterNodePortDataList = inPortsConnected }; }).ToList(); #endregion #region UI Positioning Calculations double avgX = selectedNodeSet.Average(node => node.X); double avgY = selectedNodeSet.Average(node => node.Y); double leftMost = selectedNodeSet.Min(node => node.X); double topMost = selectedNodeSet.Min(node => node.Y); double rightMost = selectedNodeSet.Max(node => node.X + node.Width); #endregion #region Handle full selected connectors // Step 2: Determine all the connectors whose start/end owners are // both in the selection set, and then move them from the current // workspace into the new workspace. var fullySelectedConns = new HashSet<ConnectorModel>( currentWorkspace.Connectors.Where( conn => { bool startSelected = selectedNodeSet.Contains(conn.Start.Owner); bool endSelected = selectedNodeSet.Contains(conn.End.Owner); return startSelected && endSelected; })); foreach (var ele in fullySelectedConns) { undoRecorder.RecordDeletionForUndo(ele); currentWorkspace.Connectors.Remove(ele); } #endregion #region Handle partially selected connectors // Step 3: Partially selected connectors (either one of its start // and end owners is in the selection) are to be destroyed. var partiallySelectedConns = currentWorkspace.Connectors.Where( conn => selectedNodeSet.Contains(conn.Start.Owner) || selectedNodeSet.Contains(conn.End.Owner)).ToList(); foreach (ConnectorModel connector in partiallySelectedConns) { undoRecorder.RecordDeletionForUndo(connector); connector.NotifyConnectedPortsOfDeletion(); currentWorkspace.Connectors.Remove(connector); } #endregion #region Transfer nodes and connectors to new workspace // Step 4: move all nodes to new workspace remove from old // PB: This could be more efficiently handled by a copy paste, but we // are preservering the node foreach (var ele in selectedNodeSet) { undoRecorder.RecordDeletionForUndo(ele); ele.SaveResult = false; currentWorkspace.Nodes.Remove(ele); ele.Workspace = newNodeWorkspace; } // add to new newNodeWorkspace.Nodes.AddRange(selectedNodeSet); newNodeWorkspace.Connectors.AddRange(fullySelectedConns); foreach (var node in newNodeWorkspace.Nodes) node.DisableReporting(); double leftShift = leftMost - 250; foreach (NodeModel node in newNodeWorkspace.Nodes) { node.X = node.X - leftShift; node.Y = node.Y - topMost; } #endregion #region Process inputs var inConnectors = new List<Tuple<NodeModel, int>>(); var uniqueInputSenders = new Dictionary<Tuple<NodeModel, int>, Symbol>(); //Step 3: insert variables (reference step 1) foreach (var input in Enumerable.Range(0, inputs.Count).Zip(inputs, Tuple.Create)) { int inputIndex = input.Item1; NodeModel inputReceiverNode = input.Item2.Item1; int inputReceiverData = input.Item2.Item2; NodeModel inputNode = input.Item2.Item3.Item2; int inputData = input.Item2.Item3.Item1; Symbol node; var key = Tuple.Create(inputNode, inputData); if (uniqueInputSenders.ContainsKey(key)) { node = uniqueInputSenders[key]; } else { inConnectors.Add(Tuple.Create(inputNode, inputData)); node = newNodeWorkspace.AddNode<Symbol>(); node.InputSymbol = inputReceiverNode.InPortData[inputReceiverData].NickName; node.SetNickNameFromAttribute(); node.DisableReporting(); node.X = 0; node.Y = inputIndex*(50 + node.Height); uniqueInputSenders[key] = node; } var curriedNode = curriedNodeArgs.FirstOrDefault(x => x.OuterNode == inputNode); if (curriedNode == null) { newNodeWorkspace.AddConnection( node, inputReceiverNode, 0, inputReceiverData); } else { //Connect it to the applier newNodeWorkspace.AddConnection(node, curriedNode.InnerNode, 0, 0); //Connect applier to the inner input receive newNodeWorkspace.AddConnection( curriedNode.InnerNode, inputReceiverNode, 0, inputReceiverData); } } #endregion #region Process outputs //List of all inner nodes to connect an output. Unique. var outportList = new List<Tuple<NodeModel, int>>(); var outConnectors = new List<Tuple<NodeModel, int, int>>(); int i = 0; if (outputs.Any()) { foreach (var output in outputs) { if ( outportList.All( x => !(x.Item1 == output.Item1 && x.Item2 == output.Item2))) { NodeModel outputSenderNode = output.Item1; int outputSenderData = output.Item2; NodeModel outputReceiverNode = output.Item3.Item2; if (curriedNodeArgs.Any(x => x.OuterNode == outputReceiverNode)) continue; outportList.Add(Tuple.Create(outputSenderNode, outputSenderData)); //Create Symbol Node var node = newNodeWorkspace.AddNode<Output>(); node.Symbol = outputSenderNode.OutPortData[outputSenderData].NickName; node.SetNickNameFromAttribute(); node.DisableReporting(); node.X = rightMost + 75 - leftShift; node.Y = i*(50 + node.Height); newNodeWorkspace.AddConnection( outputSenderNode, node, outputSenderData, 0); i++; } } //Connect outputs to new node foreach (var output in outputs) { //Node to be connected to in CurrentWorkspace NodeModel outputSenderNode = output.Item1; //Port to be connected to on outPutNode_outer int outputSenderData = output.Item2; int outputReceiverData = output.Item3.Item1; NodeModel outputReceiverNode = output.Item3.Item2; var curriedNode = curriedNodeArgs.FirstOrDefault(x => x.OuterNode == outputReceiverNode); if (curriedNode == null) { // we create the connectors in the current space later outConnectors.Add( Tuple.Create( outputReceiverNode, outportList.FindIndex( x => x.Item1 == outputSenderNode && x.Item2 == outputSenderData), outputReceiverData)); } else { int targetPort = curriedNode.Inputs.First( x => x.InnerNodeInputSender == outputSenderNode) .OuterNodeInPortData; int targetPortIndex = curriedNode.OuterNodePortDataList.IndexOf(targetPort); //Connect it (new dynConnector) newNodeWorkspace.AddConnection( outputSenderNode, curriedNode.InnerNode, outputSenderData, targetPortIndex + 1); } } } else { foreach (var hanging in selectedNodeSet.SelectMany( node => Enumerable.Range(0, node.OutPortData.Count) .Where(port => !node.HasOutput(port)) .Select(port => new { node, port })).Distinct()) { //Create Symbol Node var node = newNodeWorkspace.AddNode<Output>(); node.Symbol = hanging.node.OutPortData[hanging.port].NickName; node.SetNickNameFromAttribute(); //store the element in the elements list node.DisableReporting(); node.X = rightMost + 75 - leftShift; node.Y = i*(50 + node.Height); newNodeWorkspace.AddConnection(hanging.node, node, hanging.port, 0); i++; } } #endregion // save and load the definition from file newNodeDefinition.SyncWithWorkspace(dynamoModel, true, true); dynamoModel.Workspaces.Add(newNodeWorkspace); string name = newNodeDefinition.FunctionId.ToString(); var collapsedNode = currentWorkspace.AddNode(avgX, avgY, name); undoRecorder.RecordCreationForUndo(collapsedNode); // place the node as intended, not centered collapsedNode.X = avgX; collapsedNode.Y = avgY; collapsedNode.DisableReporting(); foreach ( var nodeTuple in inConnectors.Select( (x, idx) => new { node = x.Item1, from = x.Item2, to = idx })) { var conn = currentWorkspace.AddConnection( nodeTuple.node, collapsedNode, nodeTuple.from, nodeTuple.to); if (conn != null) { undoRecorder.RecordCreationForUndo(conn); } } foreach (var nodeTuple in outConnectors) { var conn = currentWorkspace.AddConnection( collapsedNode, nodeTuple.Item1, nodeTuple.Item2, nodeTuple.Item3); if (conn != null) { undoRecorder.RecordCreationForUndo(conn); } } collapsedNode.EnableReporting(); currentWorkspace.EnableReporting(); foreach (var node in newNodeWorkspace.Nodes) node.EnableReporting(); newNodeWorkspace.WatchChanges = true; } }