def layout_progress(self, layout_manager, width, height):
"""Handle layout when we should display a progress bar """
layout = cellpack.Layout()
# add left button
if not self.info.is_paused:
left_button = 'pause'
else:
left_button = 'resume'
left_button_rect = layout.add_image(self.button[left_button],
0,
0,
hotspot=left_button)
# add right button
right_x = width - self.button['cancel'].width
layout.add_image(self.button['cancel'], right_x, 0, hotspot='cancel')
# pack the progress bar in the center
progress_left = left_button_rect.width + 2
progress_right = right_x - 2
progress_rect = cellpack.LayoutRect(progress_left, 0,
progress_right - progress_left,
height)
layout.add_rect(progress_rect, ItemProgressBarDrawer(self.info).draw)
# middle-align everything
layout.center_y(top=0, bottom=height)
return layout
def test_add_image(self):
layout = cellpack.Layout()
image = mock.Mock()
image.get_size.return_value = (20, 50)
layout.add_image(image, 100, 100)
layout.draw(self.context)
image.draw.assert_called_with(self.context, 100, 100, 20, 50)
def test_add_text_line(self):
layout = cellpack.Layout()
textbox = mock.Mock()
textbox.font.line_height.return_value = 30
layout.add_text_line(textbox, 100, 100, 50)
layout.draw(self.context)
textbox.draw.assert_called_with(self.context, 100, 100, 50, 30)
def layout_all(self, layout_manager, width, height, selected):
# make a Layout Object
layout = cellpack.Layout()
# add the text
textbox = layout_manager.textbox(self.info.title)
textbox.set_wrap_style('truncated-char')
# 4px here is half of ListView.COLUMN_PADDING - 2px for luck
layout.add_text_line(textbox, 4, 0, width)
# middle-align everything
layout.center_y(top=0, bottom=height)
return layout
def test_alter_returned_rect(self):
# test altering a LayoutRect after it's been returned by the add
# method
layout = cellpack.Layout()
rect = layout.add(0, 0, 0, 0, self.drawer.altered)
rect.x = 50
rect.width = 100
rect.height = 200
layout.draw(self.context)
self.assertSameList(self.drawer.method_calls,
[('altered', (self.context, 50, 0, 100, 200))])
def make_simple_layout(self):
layout = cellpack.Layout()
layout.add(0, 0, 200, 200, self.drawer.background)
layout.add(0, 0, 50, 50, self.drawer.foo)
layout.add_rect(cellpack.LayoutRect(50, 0, 30, 30),
self.drawer.right_of_foo,
hotspot='right_of_foo')
layout.add_rect(cellpack.LayoutRect(0, 50, 30, 30),
self.drawer.under_foo,
hotspot='under_foo')
return layout
def layout_text(self, layout_manager, width, height):
"""Handle layout when we should display status text"""
layout = cellpack.Layout()
text, color = self._calc_status_text()
if text:
layout_manager.set_font(self.font_size, bold=True)
layout_manager.set_text_color(color)
textbox = layout_manager.textbox(text)
layout.add_text_line(textbox, 0, 0, width)
self.add_extra_button(layout, width)
# middle-align everything
layout.center_y(top=0, bottom=height)
return layout
def test_center(self):
# check centering inside a layout
layout = cellpack.Layout()
layout.add(0, 0, 50, 50, self.drawer.foo)
layout.add(55, 0, 30, 30, self.drawer.bar)
# y-center #1 elements should be centered around y=25
layout.center_y(top=0)
layout.draw(self.context)
self.assertSameList(self.drawer.method_calls,
[('foo', (self.context, 0, 0, 50, 50)),
('bar', (self.context, 55, 10, 30, 30))])
# y-center #2 elements should be centered around y=60
self.drawer.reset_mock()
layout.center_y(top=10, bottom=110)
layout.draw(self.context)
self.assertSameList(self.drawer.method_calls,
[('foo', (self.context, 0, 35, 50, 50)),
('bar', (self.context, 55, 45, 30, 30))])
# x-center #1 elements should be centered around x=50
self.drawer.reset_mock()
layout = cellpack.Layout()
layout.add(0, 0, 50, 50, self.drawer.foo)
layout.add(0, 50, 100, 50, self.drawer.bar)
layout.center_x(left=0)
layout.draw(self.context)
self.assertSameList(self.drawer.method_calls,
[('foo', (self.context, 25, 0, 50, 50)),
('bar', (self.context, 0, 50, 100, 50))])
# x-center #2 elements should be centered with x=60 in the middle
self.drawer.reset_mock()
layout.center_x(left=50, right=70)
layout.draw(self.context)
self.assertSameList(self.drawer.method_calls,
[('foo', (self.context, 35, 0, 50, 50)),
('bar', (self.context, 10, 50, 100, 50))]),
def test_merge(self):
# check merging in a second layout
layout1 = self.make_simple_layout()
layout2 = cellpack.Layout()
layout2.add(50, 50, 50, 50, self.drawer.merged)
layout1.merge(layout2)
layout1.draw(self.context)
self.assertSameList(self.drawer.method_calls, [
('background', (self.context, 0, 0, 200, 200)),
('foo', (self.context, 0, 0, 50, 50)),
('right_of_foo', (self.context, 50, 0, 30, 30)),
('under_foo', (self.context, 0, 50, 30, 30)),
('merged', (self.context, 50, 50, 50, 50)),
])
self.assertEquals(layout1.last_rect, layout2.last_rect)
