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#
# Kiwi: a Framework and Enhanced Widgets for Python
#
# Copyright (C) 2005-2006 Async Open Source
#
# 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 2.1 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
#
# Author(s): Lorenzo Gil Sanchez <lgs@sicem.biz>
# Johan Dahlin <jdahlin@async.com.br>
#
"""Gazpacho integration: loader and extensions"""
import gettext
import warnings
import gobject
import gtk
try:
from gazpacho.propertyeditor import PropertyCustomEditor
PropertyCustomEditor # pyflakes
except ImportError:
from gazpacho.editor import PropertyCustomEditor
from gazpacho.loader.loader import ObjectBuilder
from gazpacho.loader.custom import Adapter, ComboBoxAdapter, \
PythonWidgetAdapter, adapter_registry
from gazpacho.properties import prop_registry, CustomProperty, StringType
from gazpacho.widgets.base.base import ContainerAdaptor
from gazpacho.widgets.base.box import BoxAdaptor
from kiwi.datatypes import converter
from kiwi.environ import environ
from kiwi.log import Logger
from kiwi.python import disabledeprecationcall
from kiwi.ui.hyperlink import HyperLink
from kiwi.ui.objectlist import Column, ObjectList, ObjectTree
from kiwi.ui.widgets.button import ProxyButton
from kiwi.ui.widgets.checkbutton import ProxyCheckButton
from kiwi.ui.widgets.colorbutton import ProxyColorButton
from kiwi.ui.widgets.combo import ProxyComboEntry, ProxyComboBox, \
ProxyComboBoxEntry
from kiwi.ui.widgets.entry import ProxyDateEntry, ProxyEntry
from kiwi.ui.widgets.label import ProxyLabel
from kiwi.ui.widgets.radiobutton import ProxyRadioButton
from kiwi.ui.widgets.scale import ProxyHScale, ProxyVScale
from kiwi.ui.widgets.spinbutton import ProxySpinButton
from kiwi.ui.widgets.textview import ProxyTextView
# Backwards compatibility + pyflakes
from kiwi.ui.widgets.combobox import ComboBox, ComboBoxEntry
from kiwi.ui.widgets.list import List
HyperLink
_ = lambda m: gettext.dgettext('kiwi', m)
log = Logger('gazpacholoader')
class Builder(ObjectBuilder):
def find_resource(self, filename):
return environ.find_resource("pixmaps", filename)
class GazpachoWidgetTree:
"""Example class of GladeAdaptor that uses Gazpacho loader to load the
glade files
"""
def __init__(self, view, gladefile, domain=None):
self._view = view
self._gladefile = gladefile
self._showwarning = warnings.showwarning
warnings.showwarning = self._on_load_warning
self._tree = Builder(gladefile, domain=domain)
warnings.showwarning = self._showwarning
self._widgets = [w.get_data("gazpacho::object-id")
for w in self._tree.get_widgets()]
self._attach_widgets()
def _on_load_warning(self, warning, category, file, line):
self._showwarning('while loading glade file: %s' % warning,
category, self._gladefile, '???')
def _attach_widgets(self):
# Attach widgets in the widgetlist to the view specified, so
# widgets = [label1, button1] -> view.label1, view.button1
for w in self._widgets:
widget = self._tree.get_widget(w)
if widget is not None:
setattr(self._view, w, widget)
else:
log.warn("Widget %s was not found in glade widget tree." % w)
def get_widget(self, name):
"""Retrieves the named widget from the View (or glade tree)"""
name = name.replace('.', '_')
name = name.replace('-', '_')
widget = self._tree.get_widget(name)
if widget is None:
raise AttributeError(
"Widget %s not found in view %s" % (name, self._view))
return widget
def get_widgets(self):
return self._tree.get_widgets()
def signal_autoconnect(self, dic):
self._tree.signal_autoconnect(dic)
def get_sizegroups(self):
return self._tree.sizegroups
# Normal widgets
for prop in ('normal-color', 'normal-underline', 'normal-bold',
'hover-color', 'hover-underline', 'hover-bold',
'active-color', 'active-underline', 'active-bold'):
prop_registry.override_simple('HyperLink::%s' % prop, editable=False)
class HyperLinkAdaptor(ContainerAdaptor):
def fill_empty(self, context, widget):
pass
def post_create(self, context, widget, interactive):
widget.set_text(widget.get_name())
class ComboEntryAdaptor(BoxAdaptor):
def get_children(self, context, comboentry):
return []
class DateEntryAdaptor(BoxAdaptor):
def get_children(self, context, comboentry):
return []
class KiwiColumnAdapter(Adapter):
object_type = Column
def construct(self, name, gtype, properties):
return Column(name)
adapter_registry.register_adapter(KiwiColumnAdapter)
class ObjectListAdapter(PythonWidgetAdapter):
object_type = ObjectList
def construct(self, name, gtype, properties):
if gtype == List:
gtype == ObjectList
return super(ObjectListAdapter, self).construct(name, gtype,
properties)
adapter_registry.register_adapter(ObjectListAdapter)
class ObjectTreeAdapter(PythonWidgetAdapter):
object_type = ObjectTree
adapter_registry.register_adapter(ObjectTreeAdapter)
# Framework widgets
class DataTypeAdaptor(PropertyCustomEditor):
widget_type = None
default = str
def __init__(self):
super(DataTypeAdaptor, self).__init__()
self._model = None
self._input = self.create_editor()
def get_editor_widget(self):
return self._input
def _get_converters(self):
if not self.widget_type:
AssertionError("%r should define a widget_type" % self)
allowed = self.widget_type.allowed_data_types
return converter.get_converters(allowed)
def create_editor(self):
self._model = gtk.ListStore(str, object)
combo = gtk.ComboBox(self._model)
renderer = gtk.CellRendererText()
combo.pack_start(renderer)
combo.add_attribute(renderer, 'text', 0)
combo.set_active(0)
combo.set_data('connection-id', -1)
return combo
def update(self, context, kiwiwidget, proxy):
combo = self._input
model = self._model
model.clear()
for converter in self._get_converters():
model.append((converter.name, converter.type))
connection_id = combo.get_data('connection-id')
if (connection_id != -1):
combo.disconnect(connection_id)
model = combo.get_model()
connection_id = combo.connect('changed', self._editor_edit,
proxy, model)
combo.set_data('connection-id', connection_id)
value = kiwiwidget.get_property('data-type')
if not value:
value = self.default
for row in model:
if row[1] == value:
combo.set_active_iter(row.iter)
break
def _editor_edit(self, combo, proxy, model):
active_iter = combo.get_active_iter()
if active_iter:
proxy.set_value(model[active_iter][1])
class SpinBtnDataType(DataTypeAdaptor):
widget_type = ProxySpinButton
default = float
class HScaleDataType(DataTypeAdaptor):
widget_type = ProxyHScale
default = float
class VScaleDataType(DataTypeAdaptor):
widget_type = ProxyVScale
default = float
class EntryDataType(DataTypeAdaptor):
widget_type = ProxyEntry
default = str
class TextViewDataType(DataTypeAdaptor):
widget_type = ProxyTextView
default = str
class ComboBoxDataType(DataTypeAdaptor):
widget_type = ProxyComboBox
default = object
class ComboBoxEntryDataType(DataTypeAdaptor):
widget_type = ProxyComboBoxEntry
default = object
class ComboEntryDataType(DataTypeAdaptor):
widget_type = ProxyComboEntry
default = object
class LabelDataType(DataTypeAdaptor):
widget_type = ProxyLabel
default = str
class ButtonDataType(DataTypeAdaptor):
widget_type = ProxyButton
default = str
class DataType(CustomProperty, StringType):
translatable = False
def save(self):
value = self.get()
if value is not None:
return value.__name__
class BoolOnlyDataType(CustomProperty, StringType):
translatable = False
editable = False
def save(self):
return 'bool'
class DateOnlyDataType(CustomProperty, StringType):
translatable = False
editable = False
def save(self):
return 'date'
class ModelProperty(CustomProperty, StringType):
translatable = False
has_custom_default = True
def __init__(self, gadget):
super(ModelProperty, self).__init__(gadget)
gadget.widget.connect('notify::name', self._on_widget__notify)
def _on_widget__notify(self, widget, pspec):
self.set(widget.get_name())
self.notify()
def default(self):
return self.gadget.widget.get_name()
default = property(default)
class DataValueProperty(CustomProperty, StringType):
translatable = False
# Register widgets which have data-type and model-attributes
# ComboBox is a special case, it needs to inherit from another
# adapter and need to support two types.
class KiwiComboBoxAdapter(ComboBoxAdapter):
object_type = ProxyComboBox, ProxyComboBoxEntry
def construct(self, name, gtype, properties):
if gtype in (ProxyComboBox.__gtype__,
ComboBox.__gtype__):
object_type = ProxyComboBox
elif gtype in (ProxyComboBoxEntry.__gtype__,
ComboBoxEntry.__gtype__):
object_type = ProxyComboBoxEntry
else:
raise AssertionError("Unknown ComboBox GType: %r" % gtype)
obj = disabledeprecationcall(object_type)
obj.set_name(name)
return obj
adapter_registry.register_adapter(KiwiComboBoxAdapter)
def register_widgets():
for gobj, editor, data_type in [
(ProxyEntry, EntryDataType, DataType),
(ProxyDateEntry, None, DateOnlyDataType),
(ProxyButton, ButtonDataType, DataType),
(ProxyColorButton, ButtonDataType, DataType),
(ProxyCheckButton, None, BoolOnlyDataType),
(ProxyLabel, LabelDataType, DataType),
(ProxyComboBox, ComboBoxDataType, DataType),
(ProxyComboBoxEntry, ComboBoxEntryDataType, DataType),
(ProxyComboEntry, ComboEntryDataType, DataType),
(ProxySpinButton, SpinBtnDataType, DataType),
(ProxyHScale, HScaleDataType, DataType),
(ProxyVScale, VScaleDataType, DataType),
(ProxyRadioButton, None, BoolOnlyDataType),
(ProxyTextView, TextViewDataType, DataType)
]:
# Property overrides, used in the editor
type_name = gobject.type_name(gobj)
data_name = type_name + '::data-type'
if editor:
prop_registry.override_simple(data_name, data_type, custom_editor=editor)
else:
prop_registry.override_simple(data_name, data_type)
prop_registry.override_simple(type_name + '::model-attribute',
ModelProperty)
if issubclass(gobj, ProxyRadioButton):
prop_registry.override_simple(type_name + '::data-value',
DataValueProperty)
# Register custom adapters, since gobject.new is broken in 2.6
# Used by loader, eg in gazpacho and in applications
# ComboBox is registered above
if gobj == ProxyComboBox:
continue
adapter_name = 'Kiwi%sAdapter' % gobj.__name__
klass = type(adapter_name, (PythonWidgetAdapter,),
dict(object_type=gobj,
__name__=adapter_name))
adapter_registry.register_adapter(klass)
if not environ.epydoc:
register_widgets()
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