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# -*- coding: utf-8 -*-
#
# File: portato/gui/views.py
# This file is part of the Portato-Project, a graphical portage-frontend.
#
# Copyright (C) 2006-2008 René 'Necoro' Neumann
# This is free software. You may redistribute copies of it under the terms of
# the GNU General Public License version 2.
# There is NO WARRANTY, to the extent permitted by law.
#
# Written by René 'Necoro' Neumann <necoro@necoro.net>
from __future__ import absolute_import, with_statement
import gtk
import pango
import gtksourceview2
import logging
from ..helper import _, warning
class LazyView (object):
def __init__ (self):
self.connect("map", self.cb_mapped)
self.pkg = None
self.updated = False
def update (self, pkg, force = False):
self.pkg = pkg
self.updated = True
if force:
self.cb_mapped()
def cb_mapped (self, *args):
if self.updated and self.pkg:
self.set_text("".join(self._get_content()))
self.updated = False
return False
def set_text (self, text):
raise NotImplementedError
def _get_content (self):
raise NotImplementedError
class ListView (gtk.TextView, LazyView):
def __init__ (self, content_fn):
self.content_fn = content_fn
gtk.TextView.__init__(self)
LazyView.__init__(self)
self.set_editable(False)
self.set_cursor_visible(False)
def set_text (self, text):
self.get_buffer().set_text(text)
def _get_content (self):
return self.content_fn(self.pkg)
class InstalledOnlyView (ListView):
def _get_content (self):
if self.pkg:
if not self.pkg.is_installed():
return _("Package is not installed")
else:
return ListView._get_content(self)
else:
return "Huh?"
class HighlightView (gtksourceview2.View, LazyView):
def __init__ (self, get_file_fn, languages = []):
self.get_fn = get_file_fn
man = gtksourceview2.LanguageManager()
language = None
old_lang = None
for lang in languages:
if old_lang:
warning(_("No %(old)s language file installed. Falling back to %(new)s."), {"old" : old_lang, "new" : lang})
language = man.get_language(lang)
if language:
break
else:
old_lang = lang
if not language and old_lang:
warning(_("No %(old)s language file installed. Disable highlighting."), {"old" : old_lang})
buf = gtksourceview2.Buffer()
buf.set_language(language)
gtksourceview2.View.__init__(self, buf)
LazyView.__init__(self)
self.set_editable(False)
self.set_cursor_visible(False)
def set_text (self, text):
self.get_buffer().set_text(text)
def _get_content (self):
try:
with open(self.get_fn(self.pkg)) as f:
return f.readlines()
except IOError, e:
return _("Error: %s") % e.strerror
class LogView (logging.Handler):
colors = (
(logging.DEBUG, "debug", "blue"),
(logging.INFO, "info", "green"),
(logging.WARNING, "warning", "yellow"),
(-1, "error", "red")
)
def __init__ (self, view):
logging.Handler.__init__(self, logging.DEBUG)
self.view = view
self.buf = view.get_buffer()
# set tags
for lvl, name, color in self.colors:
self.buf.create_tag("log_%s" % name, foreground = color,weight = pango.WEIGHT_BOLD)
logging.getLogger("portatoLogger").addHandler(self)
def emit (self, record):
for lvl, name, color in self.colors:
if lvl == -1 or record.levelno <= lvl:
tag = "log_%s" % name
break
self.buf.insert_with_tags_by_name(self.buf.get_end_iter(), "* ", tag)
self.buf.insert(self.buf.get_end_iter(), record.getMessage()+"\n")
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