private void GatherMembers(Dictionary<Part, Info> map, Part p, bool dragging) {
if (map.ContainsKey(p)) return;
// only check CanMove or CanCopy when dragging interactively, because this is the Diagram.CurrentTool
if (dragging && !p.CanMove() && !p.CanCopy()) return;
Node n = p as Node;
if (n != null) {
map[n] = new Info() { Point = n.Location };
if (((int)this.Inclusions & 1 /*?? EffectiveCollectionInclusions.Members */) != 0) {
Group g = n as Group;
if (g != null) {
foreach (Node c in g.MemberNodes) {
GatherMembers(map, c, dragging);
}
foreach (Link c in g.MemberLinks) {
GatherMembers(map, c, dragging);
}
}
}
if (((int)this.Inclusions & 2 /*?? EffectiveCollectionInclusions.ConnectingLinks */) != 0) {
foreach (Link l in n.LinksConnected) {
if (map.ContainsKey(l)) continue;
Node from = l.FromNode;
Node to = l.ToNode;
//??? NOTMOVABLELINK
if (from != null && map.ContainsKey(from) && to != null && map.ContainsKey(to)) {
GatherMembers(map, l, dragging);
}
}
}
if ((this.Inclusions & EffectiveCollectionInclusions.TreeChildren) != 0) {
Diagram diagram = n.Diagram;
var nodes = (diagram != null && diagram.TreePath == Northwoods.GoXam.Layout.TreePath.Source) ? n.NodesInto : n.NodesOutOf;
foreach (Node c in nodes) {
GatherMembers(map, c, dragging);
}
}
} else {
Link l = p as Link;
if (l != null) {
map[l] = new Info();
if (((int)this.Inclusions & 4 /*?? EffectiveCollectionInclusions.LinkLabelNodes */) != 0) {
Node lab = l.LabelNode;
if (lab != null) {
GatherMembers(map, lab, dragging);
}
}
}
}
}