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pygui: limit rj45 node to 1 link

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This commit is contained in:
Blake Harnden 2020-06-22 21:13:24 -07:00
parent 27e35a5213
commit f39ab1dee6
1 changed files with 13 additions and 6 deletions
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19
daemon/core/gui/graph/graph.py
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@ -428,8 +428,9 @@ class CanvasGraph(tk.Canvas):
# edge dst must be a node
logging.debug("current selected: %s", self.selected)
src_node = self.nodes.get(edge.src)
dst_node = self.nodes.get(self.selected)
if not dst_node:
if not dst_node or not src_node:
edge.delete()
return
@ -444,15 +445,21 @@ class CanvasGraph(tk.Canvas):
edge.delete()
return
# rj45 nodes can only support one link
if NodeUtils.is_rj45_node(src_node.core_node.type) and src_node.edges:
edge.delete()
return
if NodeUtils.is_rj45_node(dst_node.core_node.type) and dst_node.edges:
edge.delete()
return
# set dst node and snap edge to center
edge.complete(self.selected)
self.edges[edge.token] = edge
node_src = self.nodes[edge.src]
node_src.edges.add(edge)
node_dst = self.nodes[edge.dst]
node_dst.edges.add(edge)
self.core.create_link(edge, node_src, node_dst)
src_node.edges.add(edge)
dst_node.edges.add(edge)
self.core.create_link(edge, src_node, dst_node)
def select_object(self, object_id: int, choose_multiple: bool = False) -> None:
"""