def test_mixed(self):
available_space = 200
requested = [0.5, 50, 25, 0.75]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [50, 50, 25, 75])
def test_mixed_too_wide(self):
available_space = 100
requested = [0.5, 50, 25, 0.75]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [30, 50, 25, 30])
def test_all_weighted_default_min(self):
available_space = 200
requested = [0.4, 0.1, 0.1, 0.4]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [70, 30, 30, 70])
def test_all_weighted(self):
available_space = 200
requested = [0.3, 0.2, 0.25, 0.25]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [60, 40, 50, 50])
def test_all_fixed_too_wide(self):
available_space = 100
requested = [10, 50, 40, 20]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [10, 50, 40, 20])
def test_all_default(self):
available_space = 200
requested = [-1, -1, -1, -1]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [50, 50, 50, 50])
def resizeColumnsToContents(self):
""" Reimplemented to support proportional column width specifications.
The core part of the computation is carried out in
:func:`traitsui.helpers.compute_column_widths`
"""
editor = self._editor
adapter = editor.adapter
if editor.factory.auto_resize:
# Use the default implementation.
return super(_TableView, self).resizeColumnsToContents()
available_space = self.viewport().width()
requested = []
min_widths = []
for column in range(len(adapter.columns)):
width = adapter.get_width(editor.object, editor.name, column)
requested.append(width)
min_widths.append(self.sizeHintForColumn(column))
widths = compute_column_widths(available_space, requested, min_widths,
self._user_widths)
hheader = self.horizontalHeader()
with self._resizing():
for column, width in enumerate(widths):
hheader.resizeSection(column, width)
def test_min_widths(self):
available_space = 225
requested = [0.5, 50, 0.25, 0.75]
min_widths = [30, 100, 50, 30]
widths = compute_column_widths(available_space, requested, min_widths,
None)
self.assertEqual(widths, [50, 50, 50, 75])
def test_user_widths(self):
available_space = 225
requested = [0.5, 50, 25, 0.75]
user_widths = [None, None, 50, None]
widths = compute_column_widths(available_space, requested, None,
user_widths)
self.assertEqual(widths, [50, 50, 50, 75])
def test_user_and_min_widths(self):
available_space = 200
requested = [0.5, 50, 0.25, 0.75]
min_widths = [30, 100, 50, 30]
user_widths = [None, 75, 25, 50]
widths = compute_column_widths(available_space, requested, min_widths,
user_widths)
self.assertEqual(widths, [50, 75, 25, 50])
