//-------------------------------------------------------------------------- protected override void OnMouseRightButtonDown(MouseButtonEventArgs args) { var pos = args.GetPosition(this); var scaled = new Point((pos.X - Offset.X) / Scale, (pos.Y - Offset.Y) / Scale); ContextMenu menu = new ContextMenu(); var create = menu.AddItem("Create"); foreach (var def in ValidNodeTypes) { create.AddItem(def.Name, () => { var dataModel = Nodes.First().GraphNodeItem.DataModel; var undo = dataModel.RootItems[0].UndoRedo; GraphNodeItem item = null; using (undo.DisableUndoScope()) { item = def.CreateData(undo) as GraphNodeItem; item.DataModel = Nodes.First().GraphNodeItem.DataModel; item.X = scaled.X; item.Y = scaled.Y; } undo.ApplyDoUndo( delegate { dataModel.GraphNodeItems.Add(item); }, delegate { dataModel.GraphNodeItems.Remove(item); }, "Create " + item.Name); }); } if (Clipboard.ContainsData("NodeCopy")) { menu.AddItem("Paste", () => { Paste(scaled); }); } GraphNode clickedNode = Nodes.FirstOrDefault(e => GetRectOfObject(e).Contains(pos)); if (clickedNode == null) { clickedNode = Selected.FirstOrDefault(); } if (clickedNode != null) { if (!clickedNode.IsSelected) { clickedNode.IsSelected = true; } menu.AddSeperator(); menu.AddItem("Delete", () => { DeleteNodes(Selected.ToList()); }); menu.AddItem("Copy", () => { Copy(); }); menu.AddSeperator(); var dataModel = clickedNode.GraphNodeItem.DataModel; var undo = dataModel.RootItems[0].UndoRedo; var commentMenu = menu.AddItem("Set Comment"); commentMenu.AddItem("New Comment", () => { var comment = new GraphCommentItem(dataModel, undo, "", Colors.White); comment.GUID = Guid.NewGuid().ToString(); undo.ApplyDoUndo( delegate { clickedNode.GraphNodeItem.DataModel.GraphCommentItems.Add(comment); }, delegate { clickedNode.GraphNodeItem.DataModel.GraphCommentItems.Remove(comment); }, "Create Graph Comment"); foreach (var node in Selected) { var previous = node.GraphNodeItem.Comment; var previousComment = Comments.FirstOrDefault(e => e.Comment.GUID == previous); undo.ApplyDoUndo( delegate { node.GraphNodeItem.Comment = comment.GUID; comment.Nodes.Add(node.GraphNodeItem); if (previousComment != null) { previousComment.Comment.Nodes.Remove(node.GraphNodeItem); } }, delegate { node.GraphNodeItem.Comment = previous; comment.Nodes.Remove(node.GraphNodeItem); if (previousComment != null) { previousComment.Comment.Nodes.Add(node.GraphNodeItem); } }, "Set Graph Comment"); } clickedNode.GraphNodeItem.DataModel.RaisePropertyChangedEvent("GraphComments"); }); bool first = true; foreach (var comment in Comments) { if (first) { commentMenu.AddSeperator(); first = false; } commentMenu.AddItem(comment.Comment.Title, () => { foreach (var node in Selected) { var previous = node.GraphNodeItem.Comment; var previousComment = Comments.FirstOrDefault(e => e.Comment.GUID == previous); undo.ApplyDoUndo( delegate { node.GraphNodeItem.Comment = comment.Comment.GUID; comment.Comment.Nodes.Add(node.GraphNodeItem); if (previousComment != null) { previousComment.Comment.Nodes.Remove(node.GraphNodeItem); } }, delegate { node.GraphNodeItem.Comment = previous; comment.Comment.Nodes.Remove(node.GraphNodeItem); if (previousComment != null) { previousComment.Comment.Nodes.Add(node.GraphNodeItem); } }, "Set Graph Comment"); } }); } if (clickedNode.GraphNodeItem.Comment != null) { menu.AddItem("Clear Comment", () => { foreach (var node in Selected) { if (node.GraphNodeItem.Comment == null) { continue; } var previous = node.GraphNodeItem.Comment; var previousComment = Comments.FirstOrDefault(e => e.Comment.GUID == previous); undo.ApplyDoUndo( delegate { node.GraphNodeItem.Comment = null; if (previousComment != null) { previousComment.Comment.Nodes.Remove(node.GraphNodeItem); if (previousComment.Comment.Nodes.Count == 0) { dataModel.GraphCommentItems.Remove(previousComment.Comment); } } }, delegate { if (previousComment != null) { if (!dataModel.GraphCommentItems.Contains(previousComment.Comment)) { dataModel.GraphCommentItems.Add(previousComment.Comment); } } node.GraphNodeItem.Comment = previous; if (previousComment != null) { previousComment.Comment.Nodes.Add(node.GraphNodeItem); } }, "Clear Graph Comment"); } }); } } if (mouseOverLink != null) { menu.AddSeperator(); var link = mouseOverLink; var mousePos = MousePosition; menu.AddItem("Create Control Point", () => { link.Link.AddControlPoint(mousePos); }); } if (mouseOverControlPoint != null) { menu.AddSeperator(); var controlPoint = mouseOverControlPoint; menu.AddItem("Delete Control Point", () => { controlPoint.LinkParent.RemoveControlPoint(controlPoint); }); menu.AddCheckable("Flip Control Point", (state) => { controlPoint.Flip = !controlPoint.Flip; }, controlPoint.Flip); } menu.IsOpen = true; base.OnMouseRightButtonDown(args); }