sugar-toolkit-gtk3/sugar/objects/typeregistry.py

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2007-04-11 14:06:27 +02:00
# Copyright (C) 2007, Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
from gettext import gettext as _
from ConfigParser import ConfigParser
from sugar.objects.typeinfo import TypeInfo
from sugar.activity import bundleregistry
_text_type = {
'type_id' : 'Text',
'name' : _('Text'),
'icon' : 'theme:object-text',
'formats' : [ 'text/plain', 'application/pdf' ]
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}
_image_type = {
'type_id' : 'Image',
'name' : _('Image'),
'icon' : 'theme:object-image',
'formats' : [ 'image/jpeg', 'image/gif', 'image/png' ]
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}
class _RootNode(_TypeNode):
def __init__(self):
_TypeNode.__init__('')
def append_primitive(self, info_dict):
self.append(TypeInfo(info_dict)
class _TypeNode(list):
def __init__(self, type_info):
self.type_info = type_info
def get_node_from_type(self, type_id):
for node in self:
if node.type_info.type_id == type_id:
return node
for node in self:
child = node.get_node_from_type()
if child:
return child
return None
class TypeRegistry(object):
def __init__(self):
self._tree = _RootNode()
self._tree.append_primitive(_image_type)
self._tree.append_primitive(_text_type)
self._bundle_registry = bundleregistry.get_registry()
for bundle in self._bundle_registry:
self._read_from_bundle(bundle)
self._bundle_registry.connect('bundle-added', self._bundle_added_cb)
def _bundle_added_cb (self, registry, bundle):
self._read_from_bundle(bundle)
def _read_from_bundle(self, bundle):
cp = ConfigParser()
path = bundle.get_path()
cp.read([os.path.join(path, 'activity', 'object_types.info')])
items = cp.items()
cp = ConfigParser()
path = bundle.get_locale_path()
cp.read([os.path.join(path, 'object_types.linfo')])
l_items = cp.items()
for section in cp.sections():
type_info = TypeInfo()
if type_info.read_from_config(section, items, l_items)
parent_node = self._tree.get_node_from_type(type_info.parent)
if parent_node:
parent_node.append(_TypeNode(type_info)
return True
return False
def get_registry():
return _type_registry
_type_registry = TypeRegistry()