108 lines
3.0 KiB
Python
108 lines
3.0 KiB
Python
# Copyright 2015 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import logging
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from urwid import (
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Text,
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ProgressBar,
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)
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from subiquitycore.ui.container import (
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Columns,
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Pile,
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WidgetWrap,
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)
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from subiquitycore.ui.utils import Padding, Color
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from subiquitycore.ui.width import widget_width
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log = logging.getLogger('subiquitycore.ui.anchors')
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class Header(WidgetWrap):
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""" Header Widget
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This widget uses the style key `frame_header`
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:param str title: Title of Header
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:returns: Header()
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"""
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def __init__(self, title):
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if isinstance(title, str):
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title = Text(title)
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title = Padding.center_79(title, min_width=76)
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super().__init__(Color.frame_header(
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Pile(
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[Text(""), title, Text("")])))
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class StepsProgressBar(ProgressBar):
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def get_text(self):
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return "{} / {}".format(self.current, self.done)
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class MyColumns(Columns):
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# The idea is to render output like this:
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#
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# message [ help ]
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# [ lpad ][ middle ][ rpad ][ right ]
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#
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# The constraints are:
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#
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# 1. lpad + rpad + right + message = maxcol
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#
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# 2. lpad and rpad are at least 1
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#
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# 3. right is fixed
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#
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# 4. if possible, lpad = rpad + right and middle is 79% of maxcol
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# or 76, whichever is greater.
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def column_widths(self, size, focus=False):
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maxcol = size[0]
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right = widget_width(self.contents[3][0])
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center = max(79*maxcol//100, 76)
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lpad = (maxcol - center)//2
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rpad = lpad - right
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if rpad < 1:
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rpad = 1
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middle = maxcol - (lpad + rpad + right)
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return [lpad, middle, rpad, right]
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class Footer(WidgetWrap):
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""" Footer widget
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Style key: `frame_footer`
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"""
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def __init__(self, message, right_icon, current, complete):
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if isinstance(message, str):
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message = Text(message)
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progress_bar = Padding.center_60(
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StepsProgressBar(normal='progress_incomplete',
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complete='progress_complete',
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current=current, done=complete))
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status = [
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progress_bar,
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Padding.line_break(""),
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MyColumns([Text(""), message, Text(""), right_icon]),
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]
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super().__init__(Color.frame_footer(Pile(status)))
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