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# Copyright (C) 2009 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""An abstraction of some platform specific features."""
import os, sys
from bzrlib import osutils
from bzrlib.plugins.explorer.lib.i18n import N_
# What's the default editor in different desktops?
_DEFAULT_EDITORS = {
"gnome": "gedit",
"kde": "kate",
"windows": "wordpad.exe", # on Windows the path should be absolute,
# see below
"osx": "open -t",
"other": "vi",
}
# What's the default terminals in different desktops?
_DEFAULT_TERMINALS = {
"gnome": "gnome-terminal",
"kde": "konsole --workdir .",
"windows": "cmd.exe",
"osx": """osascript -e 'tell application "Terminal"' -e 'activate' -e 'do script ""' -e 'end tell'""",
"other": "xterm",
}
# Menu and text for application preferences
_PREFERENCES_INFO = {
"gnome": ("Edit", N_("Prefere&nces...")),
"kde": ("Settings", N_("&Configure Bazaar Explorer...")),
"windows": ("Tools", N_("&Options...")),
# Note: doesn't matter for osx - automatically gets put in the right place
"osx": ("Edit", N_("Prefere&nces...")),
"other": ("Edit", N_("Prefere&nces...")),
}
# Tweaks to labels for actions to meet various UI design guidelines (vs GNOME).
_ACTION_LABELS = {
"kde": {
"Contents": N_("Bazaar Explorer &Handbook"),
"About": N_("&About Bazaar Explorer"),
},
"windows": {
# Note that Windows prefers lowercase for menu labels so we
# could return '%s help' instead of '%s Help' here, but favour
# consistency instead. (If we do decide to transform menu labels
# to lower case (bar the very first letter), then it's best to do
# that as a separate filtering layer over the whole menu I think.)
"Quit": N_("E&xit"),
"Contents": N_("Bazaar Explorer &Help"),
"About": N_("&About Bazaar Explorer"),
},
"osx": {
"Contents": N_("Bazaar Explorer &Help"),
},
}
class DesktopEnvironment(object):
"""An abstraction of some platform specific features."""
def __init__(self, name=None):
""" If name is None, the environment is guessed."""
self._name = name
self._custom_editors = None
def name(self):
"""Return gnome, kde, osx, windows or other."""
if self._name is None:
self._name = self._guess_name()
return self._name
def _guess_name(self):
if sys.platform == 'win32':
return "windows"
elif sys.platform == 'darwin':
return "osx"
elif os.path.exists("/usr/bin/gedit"):
return "gnome"
elif os.path.exists("/usr/bin/kate"):
return "kde"
else:
return "other"
def default_editor(self):
for varname in 'BZR_EDITOR', 'VISUAL', 'EDITOR':
editor = os.environ.get(varname)
# Guard against the variable being set but empty
if editor:
return editor
return _DEFAULT_EDITORS.get(self.name(), "vi")
def default_terminal(self):
return _DEFAULT_TERMINALS.get(self.name(), "xterm")
def preferences_info(self):
"""Menu name and text for accessing preferences in an app.
:return (menu name, action label) tuple or None if unknown."""
return _PREFERENCES_INFO[self.name()]
def action_labels(self):
"""Labels to use for common actions to meet UI design guidelines.
:return dictionary mapping action names to custom labels (vs GNOME)
or None for no changes. Action names are one of Quit, Contents,
About. The action label may have a %s indicating where the
application name is placed.
"""
return _ACTION_LABELS.get(self.name())
def get_custom_editor_for(self, path):
"""Return the custom editor for a path.
:return: the path to the custom editing application or None if none.
"""
if path is not None:
ext = osutils.splitext(path)[1]
if ext is not None:
ext = ext[1:]
return self.get_custom_editors().get(ext)
return None
def set_custom_editors(self, editors):
"""Set the custom editors for this environment.
:param editors: a dictionary mapping extensions to
applications to edit files of that type.
"""
self._custom_editors = editors
def get_custom_editors(self):
return self._custom_editors
# windows-specific code
if sys.platform == 'win32':
from bzrlib.win32utils import get_app_path, _ensure_unicode
_DEFAULT_EDITORS['windows'] = _ensure_unicode(get_app_path('wordpad.exe'))
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