def test_invalid_layout(self):
""" Make sure proper exceptions are thrown with an invalid layout.
"""
self.assertRaises(TypeError, setattr,
self.container.layout_constraints,
[hbox(self.c1, spacer, spacer)])
def test_invalid_layout(self):
""" Make sure proper exceptions are thrown with an invalid layout.
"""
from enable.layout.api import hbox, spacer
self.assertRaises(TypeError, setattr,
self.container.layout_constraints,
[hbox(self.c1, spacer, spacer)])
def test_hbox_order(self):
""" Test the order of components in an hbox.
"""
self.container.layout_constraints = [
hbox(self.c1, self.c2)
]
dx = self.c2.position[0] - self.c1.position[0]
self.assert_(dx > 0)
def test_hbox_order(self):
""" Test the order of components in an hbox.
"""
from enable.layout.api import hbox
self.container.layout_constraints = [hbox(self.c1, self.c2)]
dx = self.c2.position[0] - self.c1.position[0]
self.assertTrue(dx > 0)
def test_hbox_order(self):
""" Test the order of components in an hbox.
"""
from enable.layout.api import hbox
self.container.layout_constraints = [
hbox(self.c1, self.c2)
]
dx = self.c2.position[0] - self.c1.position[0]
self.assertTrue(dx > 0)
def test_constraint_function(self):
""" Test using a function to create constraints.
"""
from enable.layout.api import hbox, align
cns = [hbox(self.c1, self.c2), align("layout_width", self.c1, self.c2)]
def get_constraints(container):
return cns
self.container.layout_constraints = get_constraints
self.assertTrue(self.c1.bounds[0] == self.c2.bounds[0])
def test_constraint_function(self):
""" Test using a function to create constraints.
"""
cns = [
hbox(self.c1, self.c2),
align('layout_width', self.c1, self.c2)
]
def get_constraints(container):
return cns
self.container.layout_constraints = get_constraints
self.assert_(self.c1.bounds[0] == self.c2.bounds[0])
def test_layout_manager_replace_constraints(self):
""" Test replacing constraints in the layout manager.
"""
manager = LayoutManager()
cns = hbox(self.c1, self.c2).get_constraints(self.container)
new_cns = vbox(self.c1, self.c2).get_constraints(self.container)
self.assertRaises(RuntimeError, manager.replace_constraints, cns[0],
new_cns[0])
manager.initialize(cns)
manager.replace_constraints(cns, new_cns)
self.assert_(not manager._solver.hasConstraint(cns[0]))
self.assert_(manager._solver.hasConstraint(new_cns[0]))
def test_layout_manager_replace_constraints(self):
""" Test replacing constraints in the layout manager.
"""
from enable.layout.api import hbox, vbox
from enable.layout.layout_manager import LayoutManager
manager = LayoutManager()
cns = hbox(self.c1, self.c2).get_constraints(self.container)
new_cns = vbox(self.c1, self.c2).get_constraints(self.container)
self.assertRaises(RuntimeError, manager.replace_constraints, cns[0],
new_cns[0])
manager.initialize(cns)
manager.replace_constraints(cns, new_cns)
self.assertTrue(not manager._solver.hasConstraint(cns[0]))
self.assertTrue(manager._solver.hasConstraint(new_cns[0]))
def test_share_layout(self):
""" Test sharing layouts with a child container.
"""
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.assert_(self.c1.bounds[0] == self.c2.bounds[0] != c3.bounds[0])
self.child_container.share_layout = True
self.container.relayout()
self.assert_(self.c1.bounds[0] == self.c2.bounds[0] == c3.bounds[0])
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])
