def setUp(self):
from enable.api import ConstraintsContainer
self.container = ConstraintsContainer(bounds=[100.0, 100.0])
self.c1 = Component()
self.c2 = Component()
self.container.add(self.c1)
self.container.add(self.c2)
def _canvas_default(self):
parent = ConstraintsContainer(bounds=(500, 500), padding=20)
one = Component(id="r", bgcolor=0xFF0000)
two = Component(id="g", bgcolor=0x00FF00)
three = Component(id="b", bgcolor=0x0000FF)
parent.add(one, two, three, self.child_canvas)
return parent
def _child_canvas_default(self):
parent = ConstraintsContainer(id="child",
share_layout=self.share_layout)
one = Component(id="c", bgcolor=0x00FFFF)
two = Component(id="m", bgcolor=0xFF00FF)
three = Component(id="y", bgcolor=0xFFFF00)
four = Component(id="k", bgcolor=0x000000)
parent.add(one, two, three, four)
return parent
def _create_component(self):
image = simple()
container = ConstraintsContainer(bounds=[500, 500])
container.add(image)
ratio = float(image.data.shape[1]) / image.data.shape[0]
container.layout_constraints = [
image.left == container.contents_left,
image.right == container.contents_right,
image.top == container.contents_top,
image.bottom == container.contents_bottom,
image.layout_width == ratio * image.layout_height,
]
return container
def _create_component(self):
file_path = rect()
image = Image.from_file(file_path, resist_width='weak',
resist_height='weak')
container = ConstraintsContainer(bounds=[500, 500])
container.add(image)
ratio = float(image.data.shape[1]) / image.data.shape[0]
container.layout_constraints = [
image.left == container.contents_left,
image.right == container.contents_right,
image.top == container.contents_top,
image.bottom == container.contents_bottom,
image.layout_width == ratio * image.layout_height,
]
return container
def _create_component(self):
path = os.path.join(THIS_DIR, "deepfield.jpg")
image = Image.from_file(path,
resist_width="weak",
resist_height="weak")
container = ConstraintsContainer(bounds=[500, 500])
container.add(image)
ratio = float(image.data.shape[1]) / image.data.shape[0]
container.layout_constraints = [
image.left == container.contents_left,
image.right == container.contents_right,
image.top == container.contents_top,
image.bottom == container.contents_bottom,
image.layout_width == ratio * image.layout_height,
]
return container
def test_share_layout(self):
""" Test sharing layouts with a child container.
"""
from enable.api import ConstraintsContainer
from enable.layout.api import hbox, align
self.child_container = ConstraintsContainer(bounds=[50, 50])
c3 = Component()
self.child_container.add(c3)
self.container.add(self.child_container)
self.container.layout_constraints = [
hbox(self.c1, self.c2, c3),
align("layout_width", self.c1, self.c2, c3),
]
self.assertTrue(self.c1.bounds[0] == self.c2.bounds[0] != c3.bounds[0])
self.child_container.share_layout = True
self.container.relayout()
self.assertTrue(self.c1.bounds[0] == self.c2.bounds[0] == c3.bounds[0])
