69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
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from helix.models.dxf.graph_direction import GraphDirection
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class GraphNode(object):
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def __init__(self, panel, x_spacing, y_spacing):
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self.neighbors = {}
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self.neighbors = {
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GraphDirection.North: None,
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GraphDirection.NorthEast: None,
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GraphDirection.East: None,
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GraphDirection.SouthEast: None,
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GraphDirection.South: None,
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GraphDirection.SouthWest: None,
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GraphDirection.West: None,
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GraphDirection.NorthWest: None
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}
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self.panel = panel
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self.x_spacing = x_spacing
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self.y_spacing = y_spacing
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@property
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def coordinate(self):
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return self.panel.coordinate
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def has_existing_neighbor(self, direction):
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return self.neighbors.get(direction) is not None
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def add_neighbor(self, other_node, direction):
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if other_node is not None:
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if direction:
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self.neighbors[direction] = other_node
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opposite_direction = direction.opposite_direction()
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other_node.neighbors[opposite_direction] = self
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def neighboring_nodes(self):
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return [neighbor for neighbor in self.neighbors.values() if neighbor is not None]
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def ordinal_neighbors(self):
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neighbors = {}
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for direction in GraphDirection.ordinal_directions():
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if self.neighbors.get(direction):
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neighbors[direction] = self.neighbors[direction]
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return neighbors
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def __hash__(self):
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return self.panel.coordinate.__hash__()
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def __repr__(self):
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neighbors = {}
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for key, value in self.neighbors.items():
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if value is not None:
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neighbors[key] = value.panel
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return str(self.panel) + " - " + str(neighbors)
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def __eq__(self, other):
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if self is other:
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return True
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if not self.panel == other.panel and self.x_spacing != other.x_spacing and self.y_spacing != other.y_spacing:
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return False
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for key, value in self.neighbors.items():
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other_neighbor = other.neighbors[key]
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if value is None and other_neighbor is None:
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continue
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elif value is None or other_neighbor is None:
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return False
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elif value.panel != other_neighbor.panel:
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return False
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return True
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