def applyData(context, form_fields, data, adapters=None):
if adapters is None:
adapters = {}
descriptions = {}
for form_field in form_fields:
field = form_field.field
# Adapt context, if necessary
interface = form_field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
name = form_field.__name__
newvalue = data.get(name, form_field) # using form_field as marker
if (newvalue is not form_field) and (field.get(adapter) != newvalue):
descriptions.setdefault(interface, []).append(field.__name__)
field.set(adapter, newvalue)
return descriptions
def setup_widgets(self,
widgets,
session_key,
chooser_schema,
ignore_request=False):
session = zope.session.interfaces.ISession(self.request)
template = session[session_key].get('template')
if not ignore_request and template:
adapters = {}
for widget in widgets:
field = widget.context
name = widget.context.__name__
form_field = self.context.form_fields[name]
# Adapt context, if necessary
interface = form_field.interface
if interface == chooser_schema:
value = template
else:
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = template
else:
adapter = interface(template)
adapters[interface] = adapter
value = field.get(adapter)
if value and value != field.default:
widget.setRenderedValue(value)
def get_adapter(self, interface):
try:
adapter = self.adapters[interface]
except KeyError:
adapter = interface(self.context, None)
self.adapters[interface] = adapter
return adapter
def applyData(context, form_fields, data, adapters=None):
if adapters is None:
adapters = {}
descriptions = {}
for form_field in form_fields:
field = form_field.field
# Adapt context, if necessary
interface = form_field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
name = form_field.__name__
newvalue = data.get(name, form_field) # using form_field as marker
if (newvalue is not form_field) and (field.get(adapter) != newvalue):
descriptions.setdefault(interface, []).append(field.__name__)
field.set(adapter, newvalue)
return descriptions
def applyChanges(context, form_fields, data, adapters=None):
if adapters is None:
adapters = {}
changed = False
for form_field in form_fields:
field = form_field.field
# Adapt context, if necessary
interface = field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
name = form_field.__name__
newvalue = data.get(name, form_field) # using form_field as marker
if (newvalue is not form_field) and (field.get(adapter) != newvalue):
changed = True
field.set(adapter, newvalue)
return changed
def applyChanges(context, form_fields, data, adapters=None):
""" apply changes """
if adapters is None:
adapters = {}
changed = []
for form_field in form_fields:
field = form_field.field
# Adapt context, if necessary
interface = field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
name = form_field.__name__
newvalue = data.get(name, form_field) # using form_field as marker
if (newvalue is not form_field) and (field.get(adapter) != newvalue):
changed.append(name)
field.set(adapter, newvalue)
return changed
def setUpEditWidgets(form_fields,
form_prefix,
context,
request,
adapters=None,
for_display=False,
ignore_request=False):
if adapters is None:
adapters = {}
widgets = []
for form_field in form_fields:
field = form_field.field
# Adapt context, if necessary
interface = form_field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
if interface is not None:
adapters[interface.__name__] = adapter
field = field.bind(adapter)
readonly = form_field.for_display
readonly = readonly or (field.readonly and not form_field.for_input)
readonly = readonly or (
(form_field.render_context & interfaces.DISPLAY_UNWRITEABLE)
and not canWrite(adapter, field))
readonly = readonly or for_display
if readonly:
iface = IDisplayWidget
else:
iface = IInputWidget
widget = _createWidget(form_field, field, request, iface)
prefix = form_prefix
if form_field.prefix:
prefix = expandPrefix(prefix) + form_field.prefix
widget.setPrefix(prefix)
if ignore_request or readonly or not widget.hasInput():
# Get the value to render
value = field.get(adapter)
widget.setRenderedValue(value)
widgets.append((not readonly, widget))
return Widgets(widgets, prefix=form_prefix)
def setUpEditWidgets(form_fields, form_prefix, context, request,
adapters=None, for_display=False,
ignore_request=False):
if adapters is None:
adapters = {}
widgets = []
for form_field in form_fields:
field = form_field.field
# Adapt context, if necessary
interface = form_field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
if interface is not None:
adapters[interface.__name__] = adapter
field = field.bind(adapter)
readonly = form_field.for_display
readonly = readonly or (field.readonly and not form_field.for_input)
readonly = readonly or (
(form_field.render_context & interfaces.DISPLAY_UNWRITEABLE)
and not canWrite(adapter, field)
)
readonly = readonly or for_display
if readonly:
iface = IDisplayWidget
else:
iface = IInputWidget
widget = _createWidget(form_field, field, request, iface)
prefix = form_prefix
if form_field.prefix:
prefix = expandPrefix(prefix) + form_field.prefix
widget.setPrefix(prefix)
if ignore_request or readonly or not widget.hasInput():
# Get the value to render
value = field.get(adapter)
widget.setRenderedValue(value)
widgets.append((not readonly, widget))
return Widgets(widgets, prefix=form_prefix)
def apply_data(context, form_fields, data, adapters=None, update=False):
"""Save form data (``data`` dict) on a ``context`` object.
This is a beefed up version of zope.formlib.form.applyChanges().
It allows you to specify whether values should be compared with
the attributes on already existing objects or not, using the
``update`` parameter.
Unlike zope.formlib.form.applyChanges(), it will return a
dictionary of interfaces and their fields that were changed. This
is necessary to appropriately send IObjectModifiedEvents.
"""
if adapters is None:
adapters = {}
changes = {}
for form_field in form_fields:
field = form_field.field
# Adapt context, if necessary
interface = form_field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
name = form_field.__name__
newvalue = data.get(name, form_field) # using form_field as marker
if update:
if ((newvalue is not form_field) and
(field.get(adapter) != newvalue)):
field.set(adapter, newvalue)
changes.setdefault(interface, []).append(name)
else:
if newvalue is not form_field:
field.set(adapter, newvalue)
changes.setdefault(interface, []).append(name)
return changes
def apply_data(context, form_fields, data, adapters=None, update=False):
"""Save form data (``data`` dict) on a ``context`` object.
This is a beefed up version of zope.formlib.form.applyChanges().
It allows you to specify whether values should be compared with
the attributes on already existing objects or not, using the
``update`` parameter.
Unlike zope.formlib.form.applyChanges(), it will return a
dictionary of interfaces and their fields that were changed. This
is necessary to appropriately send IObjectModifiedEvents.
"""
if adapters is None:
adapters = {}
changes = {}
for form_field in form_fields:
field = form_field.field
# Adapt context, if necessary
interface = field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
name = form_field.__name__
newvalue = data.get(name, form_field) # using form_field as marker
if update:
if ((newvalue is not form_field)
and (field.get(adapter) != newvalue)):
field.set(adapter, newvalue)
changes.setdefault(interface, []).append(name)
else:
if newvalue is not form_field:
field.set(adapter, newvalue)
changes.setdefault(interface, []).append(name)
return changes
def setUpWidgets(form_fields,
form_prefix=None, context=None, request=None, form=None,
data=(), adapters=None, ignore_request=False):
if request is None:
request = form.request
if context is None and form is not None:
context = form.context
if form_prefix is None:
form_prefix = form.prefix
widgets = []
adapter = None
for form_field in form_fields:
field = form_field.field
if form_field.render_context:
if adapters is None:
adapters = {}
# Adapt context, if necessary
interface = form_field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
if interface is not None:
adapters[interface.__name__] = adapter
field = field.bind(adapter)
else:
field = field.bind(context)
readonly = form_field.for_display
readonly = readonly or (field.readonly and not form_field.for_input)
readonly = readonly or (
(form_field.render_context & interfaces.DISPLAY_UNWRITEABLE)
and not canWrite(adapter, field)
)
if form_field.custom_widget is not None:
widget = form_field.custom_widget(field, request)
else:
if readonly:
widget = component.getMultiAdapter((field, request),
IDisplayWidget)
else:
widget = component.getMultiAdapter((field, request),
IInputWidget)
prefix = form_prefix
if form_field.prefix:
prefix = expandPrefix(prefix) + form_field.prefix
widget.setPrefix(prefix)
if ignore_request or readonly or not widget.hasInput():
# Get the value to render
if form_field.__name__ in data:
widget.setRenderedValue(data[form_field.__name__])
elif form_field.get_rendered is not None:
widget.setRenderedValue(form_field.get_rendered(form))
elif form_field.render_context:
widget.setRenderedValue(field.get(adapter))
else:
widget.setRenderedValue(field.default)
widgets.append((not readonly, widget))
return Widgets(widgets, prefix=form_prefix)
def setUpWidgets(form_fields,
form_prefix=None,
context=None,
request=None,
form=None,
data=(),
adapters=None,
ignore_request=False):
"""Sets up widgets."""
if request is None:
request = form.request
if context is None and form is not None:
context = form.context
if form_prefix is None:
form_prefix = form.prefix
widgets = []
adapter = None
for form_field in form_fields:
field = form_field.field
if form_field.render_context:
if adapters is None:
adapters = {}
# Adapt context, if necessary
interface = form_field.interface
adapter = adapters.get(interface)
if adapter is None:
if interface is None:
adapter = context
else:
adapter = interface(context)
adapters[interface] = adapter
if interface is not None:
adapters[interface.__name__] = adapter
field = field.bind(adapter)
else:
field = field.bind(context)
readonly = form_field.for_display
readonly = readonly or (field.readonly and not form_field.for_input)
readonly = readonly or (
(form_field.render_context & interfaces.DISPLAY_UNWRITEABLE)
and not canWrite(adapter, field))
if form_field.custom_widget is not None:
widget = form_field.custom_widget(field, request)
else:
if readonly:
widget = component.getMultiAdapter((field, request),
IDisplayWidget)
else:
widget = component.getMultiAdapter((field, request),
IInputWidget)
prefix = form_prefix
if form_field.prefix:
prefix = expandPrefix(prefix) + form_field.prefix
widget.setPrefix(prefix)
if ignore_request or readonly or not widget.hasInput():
# Get the value to render
if form_field.__name__ in data:
widget.setRenderedValue(data[form_field.__name__])
elif form_field.get_rendered is not None:
widget.setRenderedValue(form_field.get_rendered(form))
elif form_field.render_context:
widget.setRenderedValue(field.get(adapter))
else:
widget.setRenderedValue(field.default)
widgets.append((not readonly, widget))
return Widgets(widgets, prefix=form_prefix)
