class IContainerViews(Interface):
"""Define several container views for an `IContainer` implementation."""
for_ = GlobalObject(title=u"The declaration this containerViews are for.",
description=u"""
The containerViews will be available for all objects that
provide this declaration.
""",
required=True)
contents = Permission(title=u"The permission needed for content page.",
required=False)
index = Permission(title=u"The permission needed for index page.",
required=False)
add = Permission(title=u"The permission needed for add page.",
required=False)
layer = GlobalInterface(
title=_("The layer the view is in."),
description=_("""A skin is composed of layers. It is common to put
skin specific views in a layer named after the skin. If the 'layer'
attribute is not supplied, it defaults to 'default'."""),
required=False)
def containerViews(_context,
for_,
contents=None,
add=None,
index=None,
layer=IDefaultBrowserLayer):
"""Set up container views for a given content type."""
if for_ is None:
raise ValueError("A for interface must be specified.")
if contents is not None:
from zope.app.menus import zmi_views
page(_context,
name='contents.html',
permission=contents,
for_=for_,
layer=layer,
class_=Contents,
attribute='contents',
menu=zmi_views,
title=_('Contents'))
if index is not None:
page(_context,
name='index.html',
permission=index,
for_=for_,
layer=layer,
class_=Contents,
attribute='index')
if add is not None:
from zope.app.menus import zmi_actions
viewObj = view(_context,
name='+',
layer=layer,
for_=for_,
permission=add,
class_=Adding)
menuItemDirective(
_context,
zmi_actions,
for_,
'+',
_('Add'),
permission=add,
layer=layer,
filter=
'python:modules["zope.app.container.browser.metaconfigure"].menuFilter(context, request)'
)
viewObj.page(_context, name='index.html', attribute='index')
viewObj.page(_context, name='action.html', attribute='action')
viewObj()
def removeObjects(self):
"""Remove objects specified in a list of object ids"""
request = self.request
ids = request.get('ids')
if not ids:
self.error = _("You didn't specify any ids to remove.")
return
container = self.context
for id in ids:
del container[id]
def removeObjects(self):
"""Remove objects specified in a list of object ids"""
request = self.request
ids = request.get('ids')
if not ids:
self.error = _("You didn't specify any ids to remove.")
return
container = self.context
for id in ids:
del container[id]
def containerViews(_context, for_, contents=None, add=None, index=None, layer=IDefaultBrowserLayer):
"""Set up container views for a given content type."""
if for_ is None:
raise ValueError("A for interface must be specified.")
if contents is not None:
from zope.app.menus import zmi_views
page(
_context,
name="contents.html",
permission=contents,
for_=for_,
layer=layer,
class_=Contents,
attribute="contents",
menu=zmi_views,
title=_("Contents"),
)
if index is not None:
page(_context, name="index.html", permission=index, for_=for_, layer=layer, class_=Contents, attribute="index")
if add is not None:
from zope.app.menus import zmi_actions
viewObj = view(_context, name="+", layer=layer, for_=for_, permission=add, class_=Adding)
menuItemDirective(
_context,
zmi_actions,
for_,
"+",
_("Add"),
permission=add,
layer=layer,
filter='python:modules["zope.app.container.browser.metaconfigure"].menuFilter(context, request)',
)
viewObj.page(_context, name="index.html", attribute="index")
viewObj.page(_context, name="action.html", attribute="action")
viewObj()
def listContentInfo(self):
request = self.request
if "container_cancel_button" in request:
if "type_name" in request:
del request.form['type_name']
if "rename_ids" in request and "new_value" in request:
del request.form['rename_ids']
if "retitle_id" in request and "new_value" in request:
del request.form['retitle_id']
return self._normalListContentsInfo()
elif "container_rename_button" in request and not request.get("ids"):
self.error = _("You didn't specify any ids to rename.")
elif "container_add_button" in request:
if "single_type_name" in request \
and "single_new_value" in request:
request.form['type_name'] = request['single_type_name']
request.form['new_value'] = request['single_new_value']
self.addObject()
elif 'single_type_name' in request \
and 'single_new_value' not in request:
request.form['type_name'] = request['single_type_name']
request.form['new_value'] = ""
self.addObject()
elif "type_name" in request and "new_value" in request:
self.addObject()
elif "rename_ids" in request and "new_value" in request:
self.renameObjects()
elif "retitle_id" in request and "new_value" in request:
self.changeTitle()
elif "container_cut_button" in request:
self.cutObjects()
elif "container_copy_button" in request:
self.copyObjects()
elif "container_paste_button" in request:
self.pasteObjects()
elif "container_delete_button" in request:
self.removeObjects()
else:
return self._normalListContentsInfo()
if self.error:
return self._normalListContentsInfo()
status = request.response.getStatus()
if status not in (302, 303):
# Only redirect if nothing else has
request.response.redirect(request.URL)
return ()
def listContentInfo(self):
request = self.request
if "container_cancel_button" in request:
if "type_name" in request:
del request.form['type_name']
if "rename_ids" in request and "new_value" in request:
del request.form['rename_ids']
if "retitle_id" in request and "new_value" in request:
del request.form['retitle_id']
return self._normalListContentsInfo()
elif "container_rename_button" in request and not request.get("ids"):
self.error = _("You didn't specify any ids to rename.")
elif "container_add_button" in request:
if "single_type_name" in request \
and "single_new_value" in request:
request.form['type_name'] = request['single_type_name']
request.form['new_value'] = request['single_new_value']
self.addObject()
elif 'single_type_name' in request \
and 'single_new_value' not in request:
request.form['type_name'] = request['single_type_name']
request.form['new_value'] = ""
self.addObject()
elif "type_name" in request and "new_value" in request:
self.addObject()
elif "rename_ids" in request and "new_value" in request:
self.renameObjects()
elif "retitle_id" in request and "new_value" in request:
self.changeTitle()
elif "container_cut_button" in request:
self.cutObjects()
elif "container_copy_button" in request:
self.copyObjects()
elif "container_paste_button" in request:
self.pasteObjects()
elif "container_delete_button" in request:
self.removeObjects()
else:
return self._normalListContentsInfo()
if self.error:
return self._normalListContentsInfo()
status = request.response.getStatus()
if status not in (302, 303):
# Only redirect if nothing else has
request.response.redirect(request.URL)
return ()
def copyObjects(self):
"""Copy objects specified in a list of object ids"""
request = self.request
ids = request.get('ids')
if not ids:
self.error = _("You didn't specify any ids to copy.")
return
container_path = getPath(self.context)
# For each item, check that it can be copied; if so, save the
# path of the object for later copying when a destination has
# been selected; if not copyable, provide an error message
# explaining that the object can't be copied.
items = []
for id in ids:
ob = self.context[id]
copier = IObjectCopier(ob)
if not copier.copyable():
m = {"name": id}
title = getDCTitle(ob)
if title:
m["title"] = title
self.error = _(
"Object '${name}' (${title}) cannot be copied",
mapping=m)
else:
self.error = _("Object '${name}' cannot be copied",
mapping=m)
return
items.append(joinPath(container_path, id))
# store the requested operation in the principal annotations:
clipboard = getPrincipalClipboard(self.request)
clipboard.clearContents()
clipboard.addItems('copy', items)
def cutObjects(self):
"""move objects specified in a list of object ids"""
request = self.request
ids = request.get('ids')
if not ids:
self.error = _("You didn't specify any ids to cut.")
return
container_path = getPath(self.context)
# For each item, check that it can be moved; if so, save the
# path of the object for later moving when a destination has
# been selected; if not movable, provide an error message
# explaining that the object can't be moved.
items = []
for id in ids:
ob = self.context[id]
mover = IObjectMover(ob)
if not mover.moveable():
m = {"name": id}
title = getDCTitle(ob)
if title:
m["title"] = title
self.error = _(
"Object '${name}' (${title}) cannot be moved",
mapping=m)
else:
self.error = _("Object '${name}' cannot be moved",
mapping=m)
return
items.append(joinPath(container_path, id))
# store the requested operation in the principal annotations:
clipboard = getPrincipalClipboard(self.request)
clipboard.clearContents()
clipboard.addItems('cut', items)
def pasteObjects(self):
"""Paste ojects in the user clipboard to the container
"""
target = self.context
clipboard = getPrincipalClipboard(self.request)
items = clipboard.getContents()
moved = False
not_pasteable_ids = []
for item in items:
duplicated_id = False
try:
obj = traverse(target, item['target'])
except TraversalError:
pass
else:
if item['action'] == 'cut':
mover = IObjectMover(obj)
try:
mover.moveTo(target)
moved = True
except DuplicateIDError:
duplicated_id = True
elif item['action'] == 'copy':
copier = IObjectCopier(obj)
try:
copier.copyTo(target)
except DuplicateIDError:
duplicated_id = True
else:
raise
if duplicated_id:
not_pasteable_ids.append(getName(obj))
if moved:
# Clear the clipboard if we do a move, but not if we only do a copy
clipboard.clearContents()
if not_pasteable_ids != []:
# Show the ids of objects that can't be pasted because
# their ids are already taken.
# TODO Can't we add a 'copy_of' or something as a prefix
# instead of raising an exception ?
raise UserError(
_("The given name(s) %s is / are already being used" %
(str(not_pasteable_ids))))
def pasteObjects(self):
"""Paste ojects in the user clipboard to the container
"""
target = self.context
clipboard = getPrincipalClipboard(self.request)
items = clipboard.getContents()
moved = False
not_pasteable_ids = []
for item in items:
duplicated_id = False
try:
obj = traverse(target, item['target'])
except TraversalError:
pass
else:
if item['action'] == 'cut':
mover = IObjectMover(obj)
try:
mover.moveTo(target)
moved = True
except DuplicateIDError:
duplicated_id = True
elif item['action'] == 'copy':
copier = IObjectCopier(obj)
try:
copier.copyTo(target)
except DuplicateIDError:
duplicated_id = True
else:
raise
if duplicated_id:
not_pasteable_ids.append(getName(obj))
if moved:
# Clear the clipboard if we do a move, but not if we only do a copy
clipboard.clearContents()
if not_pasteable_ids != []:
# Show the ids of objects that can't be pasted because
# their ids are already taken.
# TODO Can't we add a 'copy_of' or something as a prefix
# instead of raising an exception ?
raise UserError(
_("The given name(s) %s is / are already being used" %(
str(not_pasteable_ids))))
def action(self, type_name='', id=''):
if not type_name:
raise UserError(_(u"You must select the type of object to add."))
if type_name.startswith('@@'):
type_name = type_name[2:]
if '/' in type_name:
view_name = type_name.split('/', 1)[0]
else:
view_name = type_name
if queryMultiAdapter((self, self.request),
name=view_name) is not None:
url = "%s/%s=%s" % (
absoluteURL(self, self.request), type_name, id)
self.request.response.redirect(url)
return
if not self.contentName:
self.contentName = id
# TODO: If the factory wrapped by LocationProxy is already a Proxy,
# then ProxyFactory does not do the right thing and the
# original's checker info gets lost. No factory that was
# registered via ZCML and was used via addMenuItem worked
# here. (SR)
factory = getUtility(IFactory, type_name)
if not type(factory) is zope.security.checker.Proxy:
factory = LocationProxy(factory, self, type_name)
factory = zope.security.checker.ProxyFactory(factory)
content = factory()
# Can't store security proxies.
# Note that it is important to do this here, rather than
# in add, otherwise, someone might be able to trick add
# into unproxying an existing object,
content = removeSecurityProxy(content)
notify(ObjectCreatedEvent(content))
self.add(content)
self.request.response.redirect(self.nextURL())
def action(self, type_name='', id=''):
if not type_name:
raise UserError(_(u"You must select the type of object to add."))
if type_name.startswith('@@'):
type_name = type_name[2:]
if '/' in type_name:
view_name = type_name.split('/', 1)[0]
else:
view_name = type_name
if queryMultiAdapter((self, self.request),
name=view_name) is not None:
url = "%s/%s=%s" % (
absoluteURL(self, self.request), type_name, id)
self.request.response.redirect(url)
return
if not self.contentName:
self.contentName = id
# TODO: If the factory wrapped by LocationProxy is already a Proxy,
# then ProxyFactory does not do the right thing and the
# original's checker info gets lost. No factory that was
# registered via ZCML and was used via addMenuItem worked
# here. (SR)
factory = getUtility(IFactory, type_name)
if not type(factory) is zope.security.checker.Proxy:
factory = LocationProxy(factory, self, type_name)
factory = zope.security.checker.ProxyFactory(factory)
content = factory()
# Can't store security proxies.
# Note that it is important to do this here, rather than
# in add, otherwise, someone might be able to trick add
# into unproxying an existing object,
content = removeSecurityProxy(content)
notify(ObjectCreatedEvent(content))
self.add(content)
self.request.response.redirect(self.nextURL())