def test_disconnect_item_with_constraint_by_deleting_element():
b1 = Box()
b2 = Box()
line = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(line)
cons = b1.ports()[0].constraint(c, line, line.handles()[0], b1)
c.connect_item(line, line.handles()[0], b1, b1.ports()[0], constraint=cons)
assert count(c.get_connections(handle=line.handles()[0])) == 1
ncons = len(c.solver.constraints)
assert ncons == 5
c.remove(b1)
assert count(c.get_connections(handle=line.handles()[0])) == 0
assert 2 == len(c.solver.constraints)
def test_disconnect_item_with_constraint_by_deleting_element(self):
b1 = Box()
b2 = Box()
l = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(l)
cons = b1.ports()[0].constraint(c, l, l.handles()[0], b1)
c.connect_item(l, l.handles()[0], b1, b1.ports()[0], constraint=cons)
assert count(c.get_connections(handle=l.handles()[0])) == 1
ncons = len(c.solver.constraints)
assert ncons == 5
c.remove(b1)
assert count(c.get_connections(handle=l.handles()[0])) == 0
self.assertEqual(2, len(c.solver.constraints))
def test_get_handle_at_point_at_pi_div_2(view_fixture):
box = Box()
box.min_width = 20
box.min_height = 30
box.matrix.translate(20, 20)
box.matrix.rotate(math.pi / 2)
view_fixture.canvas.add(box)
box.matrix.translate(20, 20)
box.matrix.rotate(math.pi / 2)
i, h = view_fixture.view.get_handle_at_point((20, 20))
assert i is box
assert h is box.handles()[0]
def test_placement(self):
tab = self.tab
diagram = self.diagram
from gaphas import Element
from gaphas.examples import Box
box = Box()
diagram.canvas.add(box)
diagram.canvas.update_now()
tab.view.request_update([box])
from gaphor.diagram.comment import CommentItem
comment = self.diagram.create(CommentItem, subject=self.element_factory.create(uml2.Comment))
self.assertEquals(len(self.element_factory.lselect()), 2)
def test_disconnect_item_with_callback():
b1 = Box()
b2 = Box()
line = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(line)
events = []
def callback():
events.append("called")
c.connect_item(line,
line.handles()[0],
b1,
b1.ports()[0],
callback=callback)
assert count(c.get_connections(handle=line.handles()[0])) == 1
c.disconnect_item(line, line.handles()[0])
assert count(c.get_connections(handle=line.handles()[0])) == 0
assert events == ["called"]
def __init__(self):
self.canvas = Canvas()
self.view = GtkView(self.canvas)
self.window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
self.window.add(self.view)
self.window.show_all()
self.box = Box()
self.canvas.add(self.box)
# No gtk main loop, so updates occur instantly
assert not self.canvas.require_update()
# Process pending (expose) events, which cause the canvas to be drawn.
while Gtk.events_pending():
Gtk.main_iteration()
def test_pickle_connect(self):
"""
Persist a connection.
"""
canvas = Canvas()
box = Box()
canvas.add(box)
box2 = Box()
canvas.add(box2, parent=box)
line = Line()
line.handles()[0].visible = False
line.handles()[0].connected_to = box
line.handles()[0].disconnect = my_disconnect()
line.handles()[0].connection_data = 1
canvas.add(line)
pickled = pickle.dumps(canvas)
c2 = pickle.loads(pickled)
assert type(canvas._tree.nodes[0]) is Box
assert type(canvas._tree.nodes[1]) is Box
assert type(canvas._tree.nodes[2]) is Line
assert c2.solver
line2 = c2._tree.nodes[2]
h = line2.handles()[0]
assert h.visible == False
assert h.connected_to is c2._tree.nodes[0]
# connection_data and disconnect have not been persisted
assert h.connection_data == 1, h.connection_data
assert h.disconnect, h.disconnect
assert callable(h.disconnect)
assert h.disconnect() is None, h.disconnect()
def test_bounding_box_calculations(self):
"""
A view created before and after the canvas is populated should contain
the same data.
"""
canvas = Canvas()
window1 = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
view1 = GtkView(canvas=canvas)
window1.add(view1)
view1.realize()
window1.show_all()
box = Box()
box.matrix = (1.0, 0.0, 0.0, 1, 10, 10)
canvas.add(box)
line = Line()
line.fyzzyness = 1
line.handles()[1].pos = (30, 30)
#line.split_segment(0, 3)
line.matrix.translate(30, 60)
canvas.add(line)
window2 = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
view2 = GtkView(canvas=canvas)
window2.add(view2)
window2.show_all()
# Process pending (expose) events, which cause the canvas to be drawn.
while Gtk.events_pending():
Gtk.main_iteration()
try:
assert view2.get_item_bounding_box(box)
assert view1.get_item_bounding_box(box)
assert view1.get_item_bounding_box(
box) == view2.get_item_bounding_box(
box), '%s != %s' % (view1.get_item_bounding_box(box),
view2.get_item_bounding_box(box))
assert view1.get_item_bounding_box(
line) == view2.get_item_bounding_box(
line), '%s != %s' % (view1.get_item_bounding_box(line),
view2.get_item_bounding_box(line))
finally:
window1.destroy()
window2.destroy()
def test_get_handle_at_point(self):
canvas = Canvas()
view = GtkView(canvas)
window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
window.add(view)
window.show_all()
box = Box()
box.min_width = 20
box.min_height = 30
box.matrix.translate(20, 20)
box.matrix.rotate(old_div(math.pi, 1.5))
canvas.add(box)
i, h = view.get_handle_at_point((20, 20))
assert i is box
assert h is box.handles()[0]
def test_creation_with_size(self):
"""
Test if initial size holds when added to a canvas.
"""
canvas = Canvas()
box = Box(150, 153)
assert box.width == 150, box.width
assert box.height == 153, box.height
assert box.handles()[SE].pos.x == 150, box.handles()[SE].pos.x
assert box.handles()[SE].pos.y == 153, box.handles()[SE].pos.y
canvas.add(box)
assert box.width == 150, box.width
assert box.height == 153, box.height
assert box.handles()[SE].pos.x == 150, box.handles()[SE].pos.x
assert box.handles()[SE].pos.y == 153, box.handles()[SE].pos.y
def test_view_registration(view_fixture):
canvas = Canvas()
# Simple views do not register on the canvas
view = View(canvas)
assert len(canvas._registered_views) == 0
box = Box()
canvas.add(box)
# By default no complex updating/calculations are done:
assert view not in box._matrix_i2v
assert view not in box._matrix_v2i
# GTK view does register for updates though
view = GtkView(canvas)
assert len(canvas._registered_views) == 1
# No entry, since GtkView is not realized and has no window
assert view not in box._matrix_i2v
assert view not in box._matrix_v2i
window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
window.add(view)
window.show_all()
# Now everything is realized and updated
assert view in box._matrix_i2v
assert view in box._matrix_v2i
view.canvas = None
assert len(canvas._registered_views) == 0
assert view not in box._matrix_i2v
assert view not in box._matrix_v2i
view.canvas = canvas
assert len(canvas._registered_views) == 1
assert view in box._matrix_i2v
assert view in box._matrix_v2i
def test_view_registration(self):
canvas = Canvas()
# Simple views do not register on the canvas
view = View(canvas)
assert len(canvas._registered_views) == 0
box = Box()
canvas.add(box)
# By default no complex updating/calculations are done:
assert not box._matrix_i2v.has_key(view)
assert not box._matrix_v2i.has_key(view)
# GTK view does register for updates though
view = GtkView(canvas)
assert len(canvas._registered_views) == 1
# No entry, since GtkView is not realized and has no window
assert not box._matrix_i2v.has_key(view)
assert not box._matrix_v2i.has_key(view)
window = gtk.Window(gtk.WINDOW_TOPLEVEL)
window.add(view)
window.show_all()
# Now everything is realized and updated
assert box._matrix_i2v.has_key(view)
assert box._matrix_v2i.has_key(view)
view.canvas = None
assert len(canvas._registered_views) == 0
assert not box._matrix_i2v.has_key(view)
assert not box._matrix_v2i.has_key(view)
view.canvas = canvas
assert len(canvas._registered_views) == 1
assert box._matrix_i2v.has_key(view)
assert box._matrix_v2i.has_key(view)
def test_get_handle_at_point_at_pi_div_2(self):
canvas = Canvas()
view = GtkView(canvas)
window = gtk.Window(gtk.WINDOW_TOPLEVEL)
window.add(view)
window.show_all()
box = Box()
box.min_width = 20
box.min_height = 30
box.matrix.translate(20, 20)
box.matrix.rotate(math.pi / 2)
canvas.add(box)
p = canvas.get_matrix_i2c(box).transform_point(0, 20)
p = canvas.get_matrix_c2i(box).transform_point(20, 20)
i, h = view.get_handle_at_point((20, 20))
assert i is box
assert h is box.handles()[0]
def test_line_projection(self):
"""Test projection with line's handle on element's side"""
line = Line()
line.matrix.translate(15, 50)
h1, h2 = line.handles()
h1.x, h1.y = 0, 0
h2.x, h2.y = 20, 20
box = Box()
box.matrix.translate(10, 10)
box.width = 40
box.height = 20
h_nw, h_ne, h_se, h_sw = box.handles()
canvas = Canvas()
canvas.add(line)
canvas.add(box)
# move line's second handle on box side
h2.x, h2.y = 5, -20
def test_line_projection():
"""Test projection with line's handle on element's side.
"""
line = Line()
line.matrix.translate(15, 50)
h1, h2 = line.handles()
h1.pos = (0, 0)
h2.pos = (20, 20)
box = Box()
box.matrix.translate(10, 10)
box.width = 40
box.height = 20
canvas = Canvas()
canvas.add(line)
canvas.add(box)
# move line's second handle on box side
h2.pos = (5, -20)
def test_resize_se(self):
"""
Test resizing of element by dragging it SE handle.
"""
canvas = Canvas()
box = Box()
handles = box.handles()
canvas.add(box)
h_nw, h_ne, h_se, h_sw = handles
assert h_nw is handles[NW]
assert h_ne is handles[NE]
assert h_sw is handles[SW]
assert h_se is handles[SE]
# to see how many solver was called:
# GAPHAS_TEST_COUNT=3 nosetests -s --with-prof --profile-restrict=gaphas gaphas/tests/test_element.py | grep -e '\<solve\>' -e dirty
count = getenv('GAPHAS_TEST_COUNT')
if count:
count = int(count)
else:
count = 1
for i in range(count):
h_se.pos.x += 100 # h.se.{x,y} = 10, now
h_se.pos.y += 100
box.request_update()
canvas.update()
self.assertEqual(
110 * count,
h_se.pos.x) # h_se changed above, should remain the same
self.assertEqual(110 * count, float(h_se.pos.y))
self.assertEqual(110 * count, float(h_ne.pos.x))
self.assertEqual(110 * count, float(h_sw.pos.y))
def create_canvas(c=None):
if not c:
c = Canvas()
b = MyBox()
b.min_width = 20
b.min_height = 30
b.matrix = (1.0, 0.0, 0.0, 1, 20, 20)
b.width = b.height = 40
c.add(b)
bb = Box()
bb.matrix = (1.0, 0.0, 0.0, 1, 10, 10)
c.add(bb, parent=b)
fl = FatLine()
fl.height = 50
fl.matrix.translate(100, 100)
c.add(fl)
circle = Circle()
h1, h2 = circle.handles()
circle.radius = 20
circle.matrix.translate(50, 100)
c.add(circle)
# AJM: extra boxes:
bb = Box()
bb.matrix.rotate(math.pi / 1.567)
c.add(bb, parent=b)
# for i in xrange(10):
# bb = Box()
# print('box', bb)
# bb.matrix.rotate(math.pi/4.0 * i / 10.0)
# c.add(bb, parent=b)
b = PortoBox(60, 60)
b.min_width = 40
b.min_height = 50
b.matrix.translate(55, 55)
c.add(b)
t = UnderlineText()
t.matrix.translate(70, 30)
c.add(t)
t = MyText("Single line")
t.matrix.translate(70, 70)
c.add(t)
l = MyLine()
c.add(l)
l.handles()[1].pos = (30, 30)
segment = Segment(l, view=None)
segment.split_segment(0, 3)
l.matrix.translate(30, 60)
l.orthogonal = True
off_y = 0
for align_x in (-1, 0, 1):
for align_y in (-1, 0, 1):
t = MyText(
f"Aligned text {align_x:d}/{align_y:d}",
align_x=align_x,
align_y=align_y,
)
t.matrix.translate(120, 200 + off_y)
off_y += 30
c.add(t)
t = MyText("Multiple\nlines", multiline=True)
t.matrix.translate(70, 100)
c.add(t)
return c
def __init__(self):
self.canvas = Canvas()
self.box = Box()
self.handles = self.box.handles()
def __init__(self):
self.canvas = Canvas()
self.box = Box()
self.box2 = Box()
self.line = Line()