Add initial start view, buttons, and utilities

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>

Makefile

@@ -0,0 +1,6 @@
+#
+# Makefile for subiquity
+#
+
+ui-view:
+	PYTHONPATH=$(shell pwd):$(PYTHONPATH) bin/subiquity

bin/subiquity

@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+# Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import urwid
+from subiquity.palette import STYLES
+from subiquity.views import StartView
+
+
+def main():
+    screen = urwid.raw_display.Screen()
+    screen.set_terminal_properties(256)
+    screen.register_palette(STYLES)
+
+    def unhandled_input(key):
+        if key in ('Q', 'q', 'esc'):
+            raise urwid.ExitMainLoop()
+    urwid.MainLoop(StartView(), screen=screen,
+                   unhandled_input=unhandled_input).run()
+
+if __name__ == '__main__':
+    main()

subiquity/__init__.py

@@ -0,0 +1,18 @@
+# Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" Subiquity """
+
+__version__ = "0.0.1"

subiquity/models/__init__.py

@@ -1,4 +1,17 @@
 # Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """ Model Classes
 

subiquity/models/identity.py

@@ -1,4 +1,17 @@
 # Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """ Identity Model
 

subiquity/models/welcome.py

@@ -1,4 +1,17 @@
 # Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """ Welcome Model
 

subiquity/palette.py

@@ -0,0 +1,53 @@
+# Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" Palette Loader """
+
+
+def apply_default_colors(cls):
+    color_map = {'orange': '#d51',
+                 'light_orange': '#d81',
+                 'white': 'white',
+                 'black': 'black',
+                 'light_aubergine': '#77216F',
+                 'mid_aubergine': '#5E2750',
+                 'dark_aubergine': '#2C001E',
+                 'warm_grey': '#AEA79F',
+                 'cool_grey': '#333',
+                 'small_dot_grey': '#AEA79F',
+                 'text_grey': '#333'}
+    for k, v in color_map.items():
+        setattr(cls, k, v)
+    return cls
+
+
+@apply_default_colors
+class Palette:
+    pass
+
+STYLES = [('frame_header', Palette.white, Palette.black,
+           'default', Palette.white, Palette.orange),
+          ('frame_footer', Palette.white, Palette.black),
+          ('body', Palette.white, 'default', 'default',
+           Palette.white, Palette.orange),
+          ('button_primary', Palette.white, 'default',
+           'default', Palette.white, Palette.cool_grey),
+          ('button_primary focus', Palette.white,
+           'default', 'default', Palette.white,
+           Palette.light_orange),
+          ('button_secondary', Palette.white, 'default',
+           'default', Palette.white, Palette.cool_grey),
+          ('button_secondary focus', Palette.white,
+           'default', 'default', Palette.white, Palette.light_orange)]

subiquity/ui/__init__.py

@@ -1,5 +1,16 @@
 # Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """ Subiquity UI Components """
-
-__version__ = "0.0.1"

subiquity/ui/anchors.py

@@ -1,6 +1,19 @@
 # Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from urwid import WidgetWrap, AttrWrap, Pile, Text, Columns
+from urwid import WidgetWrap, AttrWrap, Pile, Text
 
 
 class Header(WidgetWrap):
@@ -11,11 +24,13 @@ class Header(WidgetWrap):
     :param str title: Title of Header
     :returns: Header()
     """
-    def __init__(self, title="Ubuntu Server Installer"):
-        title = title
-        title_widget = AttrWrap(Text(title), "frame_header")
+
+    title = "Ubuntu Server Installer"
+
+    def __init__(self):
+        title_widget = AttrWrap(Text(self.title), "frame_header")
         pile = Pile([title_widget])
-        super().__init__(Columns(pile))
+        super().__init__(pile)
 
 
 class Footer(WidgetWrap):
@@ -26,11 +41,14 @@ class Footer(WidgetWrap):
     """
     def __init__(self):
         status = Pile([Text("")])
-        super().__init__(Columns(status))
+        super().__init__(status)
 
 
 class Body(WidgetWrap):
     """ Body widget
     """
     def __init__(self):
-        super().__init__(Text("Welcome to the Server Installation"))
+        self.text = [
+            Text("Welcome to the Ubuntu Server Installation", align="center")
+        ]
+        super().__init__(Pile(self.text))

subiquity/ui/buttons.py

@@ -0,0 +1,20 @@
+# Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from urwid import Button
+from functools import partial
+
+confirm_btn = partial(Button, label="Confirm", on_press=None)
+cancel_btn = partial(Button, label="Cancel", on_press=None)

subiquity/ui/frame.py

@@ -1,13 +1,27 @@
 # Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """ Base Frame Widget """
 
 from urwid import Frame, WidgetWrap
+from subiquity.ui.anchors import Header, Footer, Body
 
 
-class Base(WidgetWrap):
-    def __init__(self, header, body, footer):
-        self.frame = Frame(body,
-                           header,
-                           footer)
-        super().__init__(self.frame)
+class BaseFrame(WidgetWrap):
+    def __init__(self):
+        _frame = Frame(Body(),
+                       Header(),
+                       Footer())
+        super().__init__(_frame)

subiquity/ui/utils.py

@@ -0,0 +1,24 @@
+# Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" UI utilities """
+
+from urwid import Padding as _Padding
+from functools import partialmethod
+
+
+class Padding:
+    center = partialmethod(_Padding, align='center',
+                           width=('relative', 50))

subiquity/views.py

@@ -0,0 +1,52 @@
+# Copyright 2015 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from urwid import (WidgetWrap, ListBox, AttrWrap, Columns, Text,
+                   # emitters
+                   signals, emit_signal)
+from subiquity.ui.anchors import Header, Footer, Body  # NOQA
+from subiquity.ui.buttons import confirm_btn, cancel_btn
+from subiquity.ui.utils import Padding
+
+
+class StartView(WidgetWrap):
+    __metaclass__ = signals.MetaSignals
+    signals = ['done']
+
+    def __init__(self):
+        Header.title = "SUbiquity - Ubiquity for Servers"
+        self.layout = [
+            Header(),
+            Text(""),
+            Text("Begin the installation", align='center'),
+            Padding.center(self._build_buttons()),
+            Footer()
+        ]
+        super().__init__(ListBox(self.layout))
+
+    def _build_buttons(self):
+        self.buttons = [
+            AttrWrap(confirm_btn(on_press=self.confirm),
+                     'button_primary', 'button_primary focus'),
+            AttrWrap(cancel_btn(on_press=self.cancel),
+                     'button_secondary', 'button_secondary focus'),
+        ]
+        return Columns(self.buttons)
+
+    def confirm(self, button):
+        emit_signal(self, 'done', True)
+
+    def cancel(self, button):
+        emit_signal(self, 'done', False)