def __init__(self, id=None):
gaphas.Element.__init__(self)
DiagramItem.__init__(self, id)
self.min_width = self.style.min_size[0]
self.min_height = self.style.min_size[1]
self.auto_resize = 0
def save(self, save_func):
DiagramItem.save(self, save_func)
save_func('matrix', tuple(self.matrix))
for prop in ('orthogonal', 'horizontal'):
save_func(prop, getattr(self, prop))
points = []
for h in self.handles():
points.append(tuple(map(float, h.pos)))
save_func('points', points)
canvas = self.canvas
c = canvas.get_connection(self.head)
if c:
save_func('head-connection', c.connected, reference=True)
c = canvas.get_connection(self.tail)
if c:
save_func('tail-connection', c.connected, reference=True)
def load(self, name, value):
if name == 'matrix':
self.matrix = eval(value)
elif name == 'points':
points = eval(value)
for x in xrange(len(points) - 2):
h = self._create_handle((0, 0))
self._handles.insert(1, h)
for i, p in enumerate(points):
self.handles()[i].pos = p
# Update connection ports of the line. Only handles are saved
# in Gaphor file therefore ports need to be recreated after
# handles information is loaded.
self._update_ports()
elif name == 'orthogonal':
self._load_orthogonal = eval(value)
elif name in ('head_connection', 'head-connection'):
self._load_head_connection = value
elif name in ('tail_connection', 'tail-connection'):
self._load_tail_connection = value
else:
DiagramItem.load(self, name, value)
def postload(self):
if hasattr(self, '_load_orthogonal'):
# Ensure there are enough handles
if self._load_orthogonal and len(self._handles) < 3:
p0 = self._handles[-1].pos
self._handles.insert(1, self._create_handle(p0))
self.orthogonal = self._load_orthogonal
del self._load_orthogonal
# First update matrix and solve constraints (NE and SW handle are
# lazy and are resolved by the constraint solver rather than set
# directly.
self.canvas.update_matrix(self)
self.canvas.solver.solve()
if hasattr(self, '_load_head_connection'):
self._postload_connect(self.head, self._load_head_connection)
del self._load_head_connection
if hasattr(self, '_load_tail_connection'):
self._postload_connect(self.tail, self._load_tail_connection)
del self._load_tail_connection
DiagramItem.postload(self)
def post_update(self, context):
gaphas.Element.post_update(self, context)
DiagramItem.post_update(self, context)
def point(self, pos):
d1 = gaphas.Element.point(self, pos)
d2 = DiagramItem.point(self, pos)
return min(d1, d2)
def pre_update(self, context):
#super(ElementItem, self).pre_update(context)
self.update_stereotype()
DiagramItem.pre_update(self, context)
gaphas.Element.pre_update(self, context)
def load(self, name, value):
if name == 'matrix':
self.matrix = eval(value)
else:
DiagramItem.load(self, name, value)
def save(self, save_func):
save_func('matrix', tuple(self.matrix))
for prop in ('width', 'height'):
self.save_property(save_func, prop)
DiagramItem.save(self, save_func)
def draw(self, context):
self.fill_background(context)
self.highlight(context)
gaphas.Element.draw(self, context)
DiagramItem.draw(self, context)
def draw(self, context):
gaphas.Line.draw(self, context)
DiagramItem.draw(self, context)
def post_update(self, context):
gaphas.Line.post_update(self, context)
DiagramItem.post_update(self, context)
def pre_update(self, context):
# first, update stereotype to know its text
self.update_stereotype()
gaphas.Line.pre_update(self, context)
DiagramItem.pre_update(self, context)
def __init__(self, id = None):
gaphas.Line.__init__(self)
DiagramItem.__init__(self, id)
self.fuzziness = 2