def build(cls, tree, config=None, layout=True):
DiagramNode.clear()
DiagramEdge.clear()
NodeGroup.clear()
Diagram.clear()
return cls(tree, config, layout).run()
def instantiate(self, group, tree):
for stmt in tree.stmts:
# Translate Node having group attribute to Group
if isinstance(stmt, parser.Node):
group_attr = [a for a in stmt.attrs if a.name == 'group']
if group_attr:
group_id = group_attr[-1]
stmt.attrs.remove(group_id)
if group_id.value != group.id:
stmt = parser.Group(group_id.value, [stmt])
# Instantiate statements
if isinstance(stmt, parser.Node):
node = DiagramNode.get(stmt.id)
node.set_attributes(stmt.attrs)
self.belong_to(node, group)
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, group)
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.Group):
subgroup = NodeGroup.get(stmt.id)
subgroup.level = group.level + 1
self.belong_to(subgroup, group)
self.instantiate(subgroup, stmt)
elif isinstance(stmt, parser.Attr):
group.set_attribute(stmt)
elif isinstance(stmt, parser.Extension):
if stmt.type == 'class':
name = unquote(stmt.name)
Diagram.classes[name] = stmt
elif stmt.type == 'plugin':
self.diagram.set_plugin(stmt.name,
stmt.attrs,
config=self.config)
elif isinstance(stmt, parser.Statements):
self.instantiate(group, stmt)
group.update_order()
return group
def pagesize(self, width, height):
margin = self.metrics.page_margin
padding = self.metrics.page_padding
dummy = DiagramNode(None)
dummy.xy = XY(width - 1, height - 1)
x, y = self._node_bottomright(dummy, use_padding=False)
x_span = self.span_width[width]
y_span = self.span_height[height]
return Size(x + margin.x + padding[1] + x_span,
y + margin.y + padding[2] + y_span)
def pagesize(self, width, height):
margin = self.metrics.page_margin
padding = self.metrics.page_padding
dummy = DiagramNode(None)
dummy.xy = XY(width - 1, height - 1)
x, y = self._node_bottomright(dummy, use_padding=False)
x_span = self.span_width[width]
y_span = self.span_height[height]
return Size(x + margin.x + padding[1] + x_span,
y + margin.y + padding[2] + y_span)
def instantiate(self, group, tree):
for stmt in tree.stmts:
# Translate Node having group attribute to Group
if isinstance(stmt, parser.Node):
group_attr = [a for a in stmt.attrs if a.name == 'group']
if group_attr:
group_id = group_attr[-1]
stmt.attrs.remove(group_id)
if group_id.value != group.id:
stmt = parser.Group(group_id.value, [stmt])
# Instantiate statements
if isinstance(stmt, parser.Node):
node = DiagramNode.get(stmt.id)
node.set_attributes(stmt.attrs)
self.belong_to(node, group)
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, group)
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.Group):
subgroup = NodeGroup.get(stmt.id)
subgroup.level = group.level + 1
self.belong_to(subgroup, group)
self.instantiate(subgroup, stmt)
elif isinstance(stmt, parser.Attr):
group.set_attribute(stmt)
elif isinstance(stmt, parser.Extension):
if stmt.type == 'class':
name = unquote(stmt.name)
Diagram.classes[name] = stmt
elif stmt.type == 'plugin':
self.diagram.set_plugin(stmt.name, stmt.attrs,
config=self.config)
elif isinstance(stmt, parser.Statements):
self.instantiate(group, stmt)
group.update_order()
return group
def test_FormulaImagePlugin_on_created(self):
plugin = FormulaImagePlugin(None)
node = DiagramNode('id')
self.assertFalse(hasattr(node, 'resizable'))
plugin.on_created(node)
self.assertTrue(hasattr(node, 'resizable'))
self.assertEqual(False, node.resizable)
def test_FormulaImagePlugin_on_resizable_changing(self):
plugin = FormulaImagePlugin(None)
node = DiagramNode('id')
plugin.on_created(node)
plugin.on_attr_changing(node, Attr('resizable', 'true'))
self.assertEqual(True, node.resizable)
plugin.on_attr_changing(node, Attr('resizable', 'false'))
self.assertEqual(False, node.resizable)
plugin.on_attr_changing(node, Attr('resizable', 'TRUE'))
self.assertEqual(True, node.resizable)
plugin.on_attr_changing(node, Attr('resizable', 'FALSE'))
self.assertEqual(False, node.resizable)
plugin.on_attr_changing(node, Attr('resizable', 'TRUE'))
self.assertEqual(True, node.resizable)
plugin.on_attr_changing(node, Attr('resizable', 'UNKNOWN'))
self.assertEqual(False, node.resizable)