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Updated adapter API as described in: http://mail.zope.org/pipermail/zope3-dev/2004-July/011537.html - query/getAdapter now require a name argument and ignore whether the object being adapted provides or conforms to the interface. - New functions 'getAdapterInContext' and 'queryAdapterInContext' can be used to do content-dependent simple adapation. They will return the object being adapted if it provides the desired interface and will return the result of calling __conform__ if the object conforms to the interface. IMPORTANT To do simple adaptation, just call the desired interface: adapter = iface(ob) or iface(ob, default)
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Jim Fulton
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Jul 6, 2004
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############################################################################## | ||
# | ||
# Copyright (c) 2001, 2002 Zope Corporation and Contributors. | ||
# All Rights Reserved. | ||
# | ||
# This software is subject to the provisions of the Zope Public License, | ||
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. | ||
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED | ||
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS | ||
# FOR A PARTICULAR PURPOSE. | ||
# | ||
############################################################################## | ||
"""Add Form View class | ||
$Id$ | ||
""" | ||
import sys | ||
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from zope.app import zapi | ||
from zope.event import notify | ||
from zope.app.event.objectevent import ObjectCreatedEvent | ||
from zope.app.form.utility import setUpWidgets, getWidgetsData | ||
from zope.app.i18n import ZopeMessageIDFactory as _ | ||
from zope.app.form.interfaces import IInputWidget, WidgetsError | ||
from zope.app.pagetemplate.simpleviewclass import SimpleViewClass | ||
from zope.app.pagetemplate.viewpagetemplatefile import ViewPageTemplateFile | ||
from zope.publisher.interfaces.browser import IBrowserRequest | ||
from zope.schema.interfaces import ValidationError | ||
from zope.security.checker import defineChecker, NamesChecker | ||
from zope.app.publisher.browser.globalbrowsermenuservice import \ | ||
globalBrowserMenuService | ||
from editview import EditView | ||
from submit import Update | ||
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class AddView(EditView): | ||
"""Simple edit-view base class. | ||
Subclasses should provide a schema attribute defining the schema | ||
to be edited. | ||
""" | ||
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def _setUpWidgets(self): | ||
setUpWidgets(self, self.schema, IInputWidget, names=self.fieldNames) | ||
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def update(self): | ||
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if self.update_status is not None: | ||
# We've been called before. Just return the previous result. | ||
return self.update_status | ||
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if Update in self.request: | ||
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self.update_status = '' | ||
try: | ||
data = getWidgetsData(self, self.schema, names=self.fieldNames) | ||
self.createAndAdd(data) | ||
except WidgetsError, errors: | ||
self.errors = errors | ||
self.update_status = _("An error occured.") | ||
return self.update_status | ||
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self.request.response.redirect(self.nextURL()) | ||
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return self.update_status | ||
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def create(self, *args, **kw): | ||
"""Do the actual instantiation.""" | ||
return self._factory(*args, **kw) | ||
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def createAndAdd(self, data): | ||
"""Add the desired object using the data in the data argument. | ||
The data argument is a dictionary with the data entered in the form. | ||
""" | ||
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args = [] | ||
if self._arguments: | ||
for name in self._arguments: | ||
args.append(data[name]) | ||
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kw = {} | ||
if self._keyword_arguments: | ||
for name in self._keyword_arguments: | ||
if name in data: | ||
kw[str(name)] = data[name] | ||
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content = self.create(*args, **kw) | ||
adapted = self.schema(content) | ||
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errors = [] | ||
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if self._set_before_add: | ||
for name in self._set_before_add: | ||
if name in data: | ||
field = self.schema[name] | ||
try: | ||
field.set(adapted, data[name]) | ||
except ValidationError: | ||
errors.append(sys.exc_info()[1]) | ||
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if errors: | ||
raise WidgetsError(*errors) | ||
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notify(ObjectCreatedEvent(content)) | ||
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content = self.add(content) | ||
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adapted = self.schema(content) | ||
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if self._set_after_add: | ||
for name in self._set_after_add: | ||
if name in data: | ||
field = self.schema[name] | ||
try: | ||
field.set(adapted, data[name]) | ||
except ValidationError: | ||
errors.append(sys.exc_info()[1]) | ||
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if errors: | ||
raise WidgetsError(*errors) | ||
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return content | ||
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def add(self, content): | ||
return self.context.add(content) | ||
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def nextURL(self): | ||
return self.context.nextURL() | ||
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def AddViewFactory(name, schema, label, permission, layer, | ||
template, default_template, bases, for_, | ||
fields, content_factory, arguments, | ||
keyword_arguments, set_before_add, set_after_add, | ||
menu=u''): | ||
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s = zapi.getGlobalService(zapi.servicenames.Presentation) | ||
class_ = SimpleViewClass( | ||
template, | ||
used_for = schema, bases = bases | ||
) | ||
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class_.schema = schema | ||
class_.label = label | ||
class_.fieldNames = fields | ||
class_._factory = content_factory | ||
class_._arguments = arguments | ||
class_._keyword_arguments = keyword_arguments | ||
class_._set_before_add = set_before_add | ||
class_._set_after_add = set_after_add | ||
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class_.generated_form = ViewPageTemplateFile(default_template) | ||
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defineChecker(class_, | ||
NamesChecker( | ||
("__call__", "__getitem__", | ||
"browserDefault", "publishTraverse"), | ||
permission, | ||
) | ||
) | ||
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s.provideView(for_, name, IBrowserRequest, class_, layer) |
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@@ -0,0 +1,137 @@ | ||
############################################################################## | ||
# | ||
# Copyright (c) 2001, 2002 Zope Corporation and Contributors. | ||
# All Rights Reserved. | ||
# | ||
# This software is subject to the provisions of the Zope Public License, | ||
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. | ||
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED | ||
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS | ||
# FOR A PARTICULAR PURPOSE. | ||
# | ||
############################################################################## | ||
"""Add Wizard View Classes | ||
$Id$ | ||
""" | ||
import sys | ||
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from zope.app import zapi | ||
from zope.event import notify | ||
from zope.app.event.objectevent import ObjectCreatedEvent | ||
from zope.app.form.utility import setUpWidgets | ||
from zope.app.form.interfaces import WidgetsError, IInputWidget | ||
from zope.app.pagetemplate.simpleviewclass import SimpleViewClass | ||
from zope.app.pagetemplate.viewpagetemplatefile import ViewPageTemplateFile | ||
from zope.publisher.interfaces.browser import IBrowserRequest | ||
from zope.schema.interfaces import ValidationError | ||
from zope.security.checker import defineChecker, NamesChecker | ||
from editwizard import EditWizardView, WizardStorage | ||
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class AddWizardView(EditWizardView): | ||
"""Multi-page add-view base class. | ||
Subclasses should provide a schema attribute defining the schema | ||
to be edited. | ||
""" | ||
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def _setUpWidgets(self): | ||
if self.use_session: | ||
# Need session for File upload fields | ||
raise NotImplementedError, 'Need a working ISessionDataManager' | ||
else: | ||
self.storage = WizardStorage(self.fieldNames, None) | ||
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setUpWidgets(self, self.schema, IInputWidget, names=self.fieldNames) | ||
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def create(self, *args, **kw): | ||
"""Do the actual instantiation.""" | ||
return self._factory(*args, **kw) | ||
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def apply_update(self, data): | ||
"""Add the desired object using the data in the data argument. | ||
The data argument is a dictionary with the data entered in the form. | ||
Issues a redirect to context.nextURL() | ||
Returns False, as per editview.apply_update | ||
""" | ||
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# This code originally from add.py's createAndAdd method | ||
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args = [] | ||
for name in self._arguments: | ||
args.append(data[name]) | ||
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kw = {} | ||
for name in self._keyword_arguments: | ||
if name in data: | ||
kw[str(name)] = data[name] | ||
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content = self.create(*args, **kw) | ||
adapted = self.schema(content) | ||
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errors = [] | ||
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for name in self._set_before_add: | ||
if name in data: | ||
field = self.schema[name] | ||
try: | ||
field.set(adapted, data[name]) | ||
except ValidationError: | ||
errors.append(sys.exc_info()[1]) | ||
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if errors: | ||
raise WidgetsError(*errors) | ||
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notify(ObjectCreatedEvent(content)) | ||
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content = self.context.add(content) | ||
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adapted = self.schema(content) | ||
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for name in self._set_after_add: | ||
if name in data: | ||
field = self.schema[name] | ||
try: | ||
field.set(adapted, data[name]) | ||
except ValidationError: | ||
errors.append(sys.exc_info()[1]) | ||
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if errors: | ||
raise WidgetsError(*errors) | ||
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self.request.response.redirect(self.context.nextURL()) | ||
return False | ||
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def AddWizardViewFactory( | ||
name, schema, permission, layer, panes, fields, | ||
template, default_template, bases, for_, content_factory, arguments, | ||
keyword_arguments, set_before_add, set_after_add, use_session=True): | ||
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class_ = SimpleViewClass(template, used_for = schema, bases = bases) | ||
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class_.schema = schema | ||
class_.panes = panes | ||
class_.fieldNames = fields | ||
class_._factory = content_factory | ||
class_._arguments = arguments or [] | ||
class_._keyword_arguments = keyword_arguments or [] | ||
class_._set_before_add = set_before_add or [] | ||
class_._set_after_add = set_after_add or [] | ||
class_.use_session = use_session | ||
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class_.generated_form = ViewPageTemplateFile(default_template) | ||
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defineChecker(class_, | ||
NamesChecker( | ||
("__call__", "__getitem__", "browserDefault"), | ||
permission, | ||
) | ||
) | ||
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s = zapi.getGlobalService(zapi.servicenames.Presentation) | ||
s.provideView(for_, name, IBrowserRequest, class_, layer) |
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