def draw(self, thing):
"""Draws the top-level Thing."""
drawn = thing.draw(self, Point([2, 2]), flip=1)
# configure the scroll region
self.canvas.scroll_config()
return drawn
def measure(self, t, **options):
"""Finds the bounding box of the list of words.
Draws the text, measures them, and then deletes them.
"""
pos = Point([0, 0])
tags = 'temp'
for s in t:
self.offset_text(pos, s, tags=tags, **options)
pos.y += 1
bbox = self.bbox(tags)
self.delete(tags)
return bbox
def draw(self):
"""Draw the class diagram.
Includes the classes in self.classes,
or if there are none, then all the classes Lumpy has seen.
"""
pos = Point([2, 2])
if self.classes == None:
classes = self.lumpy.get_class_list()
else:
classes = [make_thing(self.lumpy, cls) for cls in self.classes]
# find the classes that have no parents, and find the
# height of each tree
roots = [c for c in classes if c.parents == []]
for root in roots:
root.set_height()
# for all the leaf nodes, compute the distance to
# the parent
leafs = [c for c in classes if c.childs == []]
for leaf in leafs:
leaf.set_depth()
# if we're drawing all the classes, start with the roots;
# otherwise draw the classes we were given.
if self.classes == None:
drawn = self.draw_classes(roots, pos)
else:
drawn = self.draw_classes(classes, pos)
self.draw_arrows()
# configure the scroll region
self.canvas.scroll_config()
