def build(self, tree):
self.diagram = Diagram()
diagram = self.instantiate(self.diagram, tree)
self.bind_edges(diagram)
if len(self.diagram.lanes) == 0:
self.diagram.lanes.append(NodeGroup.get(None))
for node in self.diagram.nodes:
if node.lane is None:
edges = DiagramEdge.find(None, node)
parents = [e.node1 for e in edges if e.node1.lane]
parents.sort(key=lambda x: x.order)
if parents:
node.lane = parents[0].lane
node.lane.nodes.append(node)
else:
node.lane = self.diagram.lanes[0]
node.lane.nodes.append(node)
for lane in diagram.lanes:
if len(lane.nodes) == 0:
diagram.lanes.remove(lane)
return diagram
def build(self, tree):
self.diagram = Diagram()
diagram = self.instantiate(self.diagram, tree)
self.bind_edges(diagram)
if len(self.diagram.lanes) == 0:
self.diagram.lanes.append(NodeGroup.get(None))
for node in self.diagram.nodes:
if node.lane is None:
edges = DiagramEdge.find(None, node)
parents = [e.node1 for e in edges if e.node1.lane]
parents.sort(key=lambda x: x.order)
if parents:
node.lane = parents[0].lane
node.lane.nodes.append(node)
else:
node.lane = self.diagram.lanes[0]
node.lane.nodes.append(node)
for lane in diagram.lanes:
if len(lane.nodes) == 0:
diagram.lanes.remove(lane)
return diagram
def instantiate(self, group, tree, lane=None):
for stmt in tree.stmts:
if isinstance(stmt, parser.Node):
node = DiagramNode.get(stmt.id)
node.set_attributes(stmt.attrs)
self.belong_to(node, lane)
elif isinstance(stmt, parser.Edge):
from_nodes = [DiagramNode.get(n) for n in stmt.from_nodes]
to_nodes = [DiagramNode.get(n) for n in stmt.to_nodes]
for node in from_nodes + to_nodes:
self.belong_to(node, lane)
for node1 in from_nodes:
for node2 in to_nodes:
edge = DiagramEdge.get(node1, node2)
edge.set_dir(stmt.edge_type)
edge.set_attributes(stmt.attrs)
elif isinstance(stmt, parser.Lane):
_lane = NodeGroup.get(stmt.id)
if _lane not in self.diagram.lanes:
self.diagram.lanes.append(_lane)
self.instantiate(group, stmt, _lane)
elif isinstance(stmt, parser.Attr):
if lane:
lane.set_attribute(stmt)
else:
self.diagram.set_attribute(stmt)
elif isinstance(stmt, parser.Extension):
if stmt.type == 'class':
name = unquote(stmt.name)
Diagram.classes[name] = stmt
if stmt.type == 'plugin':
self.diagram.set_plugin(stmt.name, stmt.attrs)
elif isinstance(stmt, parser.Statements):
self.instantiate(group, stmt, lane)
group.update_order()
return group
def instantiate(self, group, tree, lane=None):
for stmt in tree.stmts:
if isinstance(stmt, parser.Node):
node = DiagramNode.get(stmt.id)
node.set_attributes(stmt.attrs)
self.belong_to(node, lane)
elif isinstance(stmt, parser.Edge):
from_nodes = [DiagramNode.get(n) for n in stmt.from_nodes]
to_nodes = [DiagramNode.get(n) for n in stmt.to_nodes]
for node in from_nodes + to_nodes:
self.belong_to(node, lane)
for node1 in from_nodes:
for node2 in to_nodes:
edge = DiagramEdge.get(node1, node2)
edge.set_dir(stmt.edge_type)
edge.set_attributes(stmt.attrs)
elif isinstance(stmt, parser.Lane):
_lane = NodeGroup.get(stmt.id)
if _lane not in self.diagram.lanes:
self.diagram.lanes.append(_lane)
self.instantiate(group, stmt, _lane)
elif isinstance(stmt, parser.Attr):
if lane:
lane.set_attribute(stmt)
else:
self.diagram.set_attribute(stmt)
elif isinstance(stmt, parser.Extension):
if stmt.type == 'class':
name = unquote(stmt.name)
Diagram.classes[name] = stmt
if stmt.type == 'plugin':
self.diagram.set_plugin(stmt.name, stmt.attrs)
elif isinstance(stmt, parser.Statements):
self.instantiate(group, stmt, lane)
group.update_order()
return group