Console interface to Storyboard
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# Copyright 2014 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import urwid
GLOBAL_HELP = """\
Global Keys
===========
<F1> Help
<ESC> Back to previous screen
<CTRL-Q> Quit Gertty
"""
class TextButton(urwid.Button):
def selectable(self):
return True
def __init__(self, text, on_press=None, user_data=None):
super(TextButton, self).__init__('', on_press=on_press, user_data=user_data)
text = urwid.Text(text)
self._w = urwid.AttrMap(text, None, focus_map='reversed')
class FixedButton(urwid.Button):
def sizing(self):
return frozenset([urwid.FIXED])
def pack(self, size, focus=False):
return (len(self.get_label())+4, 1)
class TableColumn(urwid.Pile):
def pack(self, size, focus=False):
mx = max([len(i[0].text) for i in self.contents])
return (mx+2, len(self.contents))
class Table(urwid.WidgetWrap):
def __init__(self, headers=[]):
super(Table, self).__init__(
urwid.Columns([('pack', TableColumn([('pack', w)])) for w in headers]))
def addRow(self, cells=[]):
for i, widget in enumerate(cells):
self._w.contents[i][0].contents.append((widget, ('pack', None)))
class ButtonDialog(urwid.WidgetWrap):
def __init__(self, title, message, buttons=[]):
button_widgets = []
for button in buttons:
button_widgets.append(('pack', button))
button_columns = urwid.Columns(button_widgets, dividechars=2)
rows = []
rows.append(urwid.Text(message))
rows.append(urwid.Divider())
rows.append(button_columns)
pile = urwid.Pile(rows)
fill = urwid.Filler(pile, valign='top')
super(ButtonDialog, self).__init__(urwid.LineBox(fill, title))
class MessageDialog(ButtonDialog):
signals = ['close']
def __init__(self, title, message):
ok_button = FixedButton('OK')
urwid.connect_signal(ok_button, 'click',
lambda button:self._emit('close'))
super(MessageDialog, self).__init__(title, message, buttons=[ok_button])
class YesNoDialog(ButtonDialog):
signals = ['yes', 'no']
def __init__(self, title, message):
yes_button = FixedButton('Yes')
no_button = FixedButton('No')
urwid.connect_signal(yes_button, 'click',
lambda button:self._emit('yes'))
urwid.connect_signal(no_button, 'click',
lambda button:self._emit('no'))
super(YesNoDialog, self).__init__(title, message, buttons=[yes_button,
no_button])