def validate(self, values):
if values is None:
return super(VocabularyValuesValidator, self).validate(values)
by_value = {}
by_token = {}
for value in values:
term = vocabulary.SimpleTerm(token=value.encode('unicode_escape'),
value=value,
title=value)
if term.value in by_value:
raise interface.Invalid(
_('field_edit_error_conflicting_values',
default=
u"The '${value1}' vocabulary value conflicts with '${value2}'.",
mapping={
'value1': value,
'value2': by_value[term.value].value
}))
if term.token in by_token:
raise interface.Invalid(
_('field_edit_error_conflicting_values',
default=
u"The '${value1}' vocabulary value conflicts with '${value2}'.",
mapping={
'value1': value,
'value2': by_value[term.token].value
}))
by_value[term.value] = term
by_token[term.token] = term
return super(VocabularyValuesValidator, self).validate(values)
def validate(self, values):
if values is None:
return super(VocabularyValuesValidator, self).validate(
values)
by_value = {}
by_token = {}
for value in values:
term = vocabulary.SimpleTerm(token=value.encode('unicode_escape'),
value=value, title=value)
if term.value in by_value:
raise interface.Invalid(
_('field_edit_error_conflicting_values',
default=u"The '${value1}' vocabulary value conflicts with '${value2}'.",
mapping={'value1': value,
'value2': by_value[term.value].value}))
if term.token in by_token:
raise interface.Invalid(
_('field_edit_error_conflicting_values',
default=u"The '${value1}' vocabulary value conflicts with '${value2}'.",
mapping={'value1': value,
'value2': by_value[term.token].value}))
by_value[term.value] = term
by_token[term.token] = term
return super(VocabularyValuesValidator, self).validate(values)
def label(self):
if self.context.Title() != self.context.__name__:
return _(u'Edit ${title} (${name})',
mapping={'title': self.context.Title(),
'name': self.context.__name__})
else:
return _(u'Edit ${name}', mapping={'name': self.context.__name__})
def checkTitleAndDescriptionTypes(data):
if data.__name__ is not None and data.factory is not None:
if data.__name__ == 'title' and data.factory.fieldcls is not TextLine:
raise Invalid(
_(u"The 'title' field must be a Text line (string) field."))
if data.__name__ == 'description' and data.factory.fieldcls is not Text:
raise Invalid(
_(u"The 'description' field must be a Text field."))
def isValidFieldName(value):
if not ID_RE.match(value):
raise Invalid(
_(u'Please use only letters, numbers and the following characters: _.'))
if value in RESERVED_NAMES:
raise Invalid(
_(u"'${name}' is a reserved field name.", mapping={'name': value}))
return True
def checkTitleAndDescriptionTypes(data):
if data.__name__ is not None and data.factory is not None:
if data.__name__ == 'title' and data.factory.fieldcls is not TextLine:
raise Invalid(
_(u"The 'title' field must be a Text line (string) field."))
if data.__name__ == 'description' and data.factory.fieldcls is not Text:
raise Invalid(
_(u"The 'description' field must be a Text field."))
def isValidFieldName(value):
if not ID_RE.match(value):
raise Invalid(
_(u'Please use only letters, numbers and the following characters: _.'))
if value in RESERVED_NAMES:
raise Invalid(
_(u"'${name}' is a reserved field name.", mapping={'name': value}))
return True
def label(self):
if self.context.Title() != self.context.__name__:
return _(u'Edit ${title} (${name})',
mapping={
'title': self.context.Title(),
'name': self.context.__name__
})
else:
return _(u'Edit ${name}', mapping={'name': self.context.__name__})
def add(self, field):
schema = IEditableSchema(self.context.schema)
try:
schema.addField(field)
except ValueError:
raise WidgetActionExecutionError('__name__',
Invalid(_(u'Please select a field name that is not already used.')))
notify(ObjectAddedEvent(field, self.context.schema))
notify(SchemaModifiedEvent(self.context))
self.status = _(u"Field added successfully.")
class INewFieldset(Interface):
label = TextLine(title=_(u'Title'), required=True)
__name__ = ASCIILine(
title=_(u'Short Name'),
description=_(u'Used for programmatic access to the fieldset.'),
required=True,
constraint=isValidFieldName,
)
def add(self, new_fieldset):
schema = self.context.schema
fieldsets = schema.getTaggedValue(FIELDSETS_KEY)
for fieldset in fieldsets:
if fieldset.__name__ == new_fieldset.__name__:
raise WidgetActionExecutionError('__name__',
Invalid(_(u'Please select a fieldset name that is not already used.')))
fieldsets.append(new_fieldset)
schema.setTaggedValue(FIELDSETS_KEY, fieldsets)
notifyContainerModified(schema)
notify(SchemaModifiedEvent(self.context))
self.status = _(u"Fieldset added successfully.")
def label(self):
""" In a dexterity schema editing context, we need to
construct a label that will specify the field being
edited. Outside that context (e.g., plone.app.users),
we should respect the label if specified.
"""
context_label = getattr(self.context, "label", None)
if context_label is not None:
return context_label
if self.context.Title() != self.context.__name__:
return _(u"Edit ${title} (${name})", mapping={"title": self.context.Title(), "name": self.context.__name__})
else:
return _(u"Edit ${name}", mapping={"name": self.context.__name__})
def __call__(self):
"""Handle AJAX save post.
"""
if not authorized(self.context, self.request):
raise Unauthorized
source = self.request.form.get('source')
if source:
# Is it valid XML?
try:
root = etree.fromstring(source)
except etree.XMLSyntaxError, e:
return json.dumps({
'success':
False,
'message':
"XMLSyntaxError: %s" % e.message.encode('utf8')
})
# a little more sanity checking, look at first two element levels
if root.tag != NAMESPACE + 'model':
return json.dumps({
'success':
False,
'message':
_(u"Error: root tag must be 'model'")
})
for element in root.getchildren():
if element.tag != NAMESPACE + 'schema':
return json.dumps({
'success':
False,
'message':
_(u"Error: all model elements must be 'schema'")
})
# can supermodel parse it?
# This is mainly good for catching bad dotted names.
try:
plone.supermodel.loadString(source, policy=u"dexterity")
except SupermodelParseError, e:
message = e.args[0].replace('\n File "<unknown>"', '')
return json.dumps({
'success':
False,
'message':
u"SuperModelParseError: %s" % message
})
class FieldsetAddForm(form.AddForm):
fields = field.Fields(INewFieldset)
label = _('Add new fieldset')
id = 'add-fieldset-form'
def create(self, data):
return Fieldset(**data)
def add(self, new_fieldset):
schema = self.context.schema
fieldsets = schema.queryTaggedValue(FIELDSETS_KEY, [])
for fieldset in fieldsets:
if fieldset.__name__ == new_fieldset.__name__:
msg = _(
u'Please select a fieldset name that is not already used.'
)
raise WidgetActionExecutionError(
'__name__',
Invalid(msg)
)
fieldsets.append(new_fieldset)
schema.setTaggedValue(FIELDSETS_KEY, fieldsets)
notifyContainerModified(schema)
notify(SchemaModifiedEvent(self.context))
IStatusMessage(self.request).addStatusMessage(
_(u'Fieldset added successfully.'), type='info')
def nextURL(self):
return '@@add-fieldset'
def label(self):
""" In a dexterity schema editing context, we need to
construct a label that will specify the field being
edited. Outside that context (e.g., plone.app.users),
we should respect the label if specified.
"""
context_label = getattr(self.context, 'label', None)
if context_label is not None:
return context_label
if self.context.Title() != self.context.__name__:
return _(u'Edit ${title} (${name})',
mapping={'title': self.context.Title(),
'name': self.context.__name__})
else:
return _(u'Edit ${name}', mapping={'name': self.context.__name__})
class FieldsetAddForm(form.AddForm):
fields = field.Fields(INewFieldset)
label = _("Add new fieldset")
id = 'add-fieldset-form'
def create(self, data):
return Fieldset(**data)
def add(self, new_fieldset):
schema = self.context.schema
fieldsets = schema.getTaggedValue(FIELDSETS_KEY)
for fieldset in fieldsets:
if fieldset.__name__ == new_fieldset.__name__:
raise WidgetActionExecutionError('__name__',
Invalid(_(u'Please select a fieldset name that is not already used.')))
fieldsets.append(new_fieldset)
schema.setTaggedValue(FIELDSETS_KEY, fieldsets)
notifyContainerModified(schema)
notify(SchemaModifiedEvent(self.context))
self.status = _(u"Fieldset added successfully.")
def nextURL(self):
url = self.context.absolute_url()
if getattr(self.context, 'schemaEditorView', None) is not None:
url += '/@@' + self.context.schemaEditorView
return url
def add(self, field):
context = self.context
schema = IEditableSchema(context.schema)
# move it after the last field that is not in a fieldset
# or at top if there is no field yet in "default" fieldset
ordered_fields = [name for (name, f) in sortedFields(context.schema)]
default_fields = non_fieldset_fields(context.schema)
if len(default_fields) > 0:
position = ordered_fields.index(default_fields[-1]) + 1
else:
position = 0
try:
schema.addField(field)
except ValueError:
raise WidgetActionExecutionError('__name__',
Invalid(
u'Please select a field name that is not already used.'
))
schema.moveField(field.__name__, position)
notify(ObjectAddedEvent(field, context.schema))
notify(FieldAddedEvent(context, field))
IStatusMessage(self.request).addStatusMessage(
_(u"Field added successfully."), type='info')
class ITextLineChoice(interfaces.IField):
values = schema.List(title=_(u'Possible values'),
description=_(u'Enter allowed choices one per line.'),
required=interfaces.IChoice['vocabulary'].required,
default=interfaces.IChoice['vocabulary'].default,
value_type=schema.TextLine())
interface.alsoProvides(values, ITextLinesField)
vocabularyName = schema.Choice(
title=interfaces.IChoice['vocabularyName'].title,
description=interfaces.IChoice['vocabularyName'].description,
default=interfaces.IChoice['vocabularyName'].default,
required=False,
vocabulary="plone.schemaeditor.VocabulariesVocabulary",
)
def __call__(self):
"""Handle AJAX save post.
"""
if not authorized(self.context, self.request):
raise Unauthorized
source = self.request.form.get('source')
if source:
# Is it valid XML?
try:
root = etree.fromstring(source)
except etree.XMLSyntaxError, e:
return json.dumps({
'success': False,
'message': "XMLSyntaxError: %s" % e.message.encode('utf8')
})
# a little more sanity checking, look at first two element levels
if root.tag != NAMESPACE + 'model':
return json.dumps({
'success': False,
'message': _(u"Error: root tag must be 'model'")
})
for element in root.getchildren():
if element.tag != NAMESPACE + 'schema':
return json.dumps({
'success': False,
'message': _(
u"Error: all model elements must be 'schema'"
)
})
# can supermodel parse it?
# This is mainly good for catching bad dotted names.
try:
plone.supermodel.loadString(source, policy=u"dexterity")
except SupermodelParseError, e:
message = e.args[0].replace('\n File "<unknown>"', '')
return json.dumps({
'success': False,
'message': u"SuperModelParseError: %s" % message
})
def add(self, new_fieldset):
schema = self.context.schema
fieldsets = schema.queryTaggedValue(FIELDSETS_KEY, [])
for fieldset in fieldsets:
if fieldset.__name__ == new_fieldset.__name__:
msg = _(
u'Please select a fieldset name that is not already used.'
)
raise WidgetActionExecutionError(
'__name__',
Invalid(msg)
)
fieldsets.append(new_fieldset)
schema.setTaggedValue(FIELDSETS_KEY, fieldsets)
notifyContainerModified(schema)
notify(SchemaModifiedEvent(self.context))
IStatusMessage(self.request).addStatusMessage(
_(u'Fieldset added successfully.'), type='info')
def validate(self, values):
if values is None:
return super(VocabularyNameValidator, self).validate(values)
if values and self.request.form.get('form.widgets.values', None):
raise interface.Invalid(
_('field_edit_error_values_and_name',
default=
u"You can't set a vocabulary name AND vocabulary values. "
u"Please clear values field or set no value here."))
return super(VocabularyNameValidator, self).validate(values)
def validate(self, values):
if values is None:
return super(VocabularyNameValidator, self).validate(
values)
if values and self.request.form.get('form.widgets.values', None):
raise interface.Invalid(
_('field_edit_error_values_and_name',
default=u"You can't set a vocabulary name AND vocabulary values. "
u"Please clear values field or set no value here."))
return super(VocabularyNameValidator, self).validate(values)
class INewField(Interface):
title = TextLine(title=_(u'Title'), required=True)
__name__ = ASCIILine(
title=_(u'Short Name'),
description=_(u'Used for programmatic access to the field.'),
required=True,
constraint=isValidFieldName,
)
description = Text(
title=_(u'Help Text'),
description=_(u'Shows up in the form as help text for the field.'),
required=False)
factory = Choice(
title=_(u"Field type"),
vocabulary="Fields",
required=True,
# This can't be done yet or we'll create circular import problem.
# So it will be injected from fields.py
# default=TextLineFactory,
)
@invariant
def checkTitleAndDescriptionTypes(data):
if data.__name__ is not None and data.factory is not None:
if data.__name__ == 'title' and data.factory.fieldcls is not TextLine:
raise Invalid(
_(u"The 'title' field must be a Text line (string) field.")
)
if data.__name__ == 'description' and data.factory.fieldcls is not Text:
raise Invalid(
_(u"The 'description' field must be a Text field."))
class FieldAddForm(form.AddForm):
fields = field.Fields(INewField)
label = _("Add new field")
id = 'add-field-form'
def create(self, data):
factory = data.pop('factory')
return factory(**data)
def add(self, field):
context = self.context
schema = IEditableSchema(context.schema)
# move it after the last field that is not in a fieldset
# or at top if there is no field yet in "default" fieldset
ordered_fields = [name for (name, f) in sortedFields(context.schema)]
default_fields = non_fieldset_fields(context.schema)
if len(default_fields) > 0:
position = ordered_fields.index(default_fields[-1]) + 1
else:
position = 0
try:
schema.addField(field)
except ValueError:
raise WidgetActionExecutionError(
'__name__',
Invalid(
u'Please select a field name that is not already used.'))
schema.moveField(field.__name__, position)
notify(ObjectAddedEvent(field, context.schema))
notify(FieldAddedEvent(context, field))
self.status = _(u"Field added successfully.")
def nextURL(self):
url = self.context.absolute_url()
if getattr(self.context, 'schemaEditorView', None) is not None:
url += '/@@' + self.context.schemaEditorView
return url
def add(self, new_field):
schema = self.context.schema
fieldset_id = int(self.request.form.get('fieldset_id', 0))
position = new_field_position(schema, fieldset_id)
editable_schema = IEditableSchema(schema)
try:
editable_schema.addField(new_field)
except ValueError:
raise WidgetActionExecutionError(
'__name__',
Invalid(
u'Please select a field name that is not already used.'))
if fieldset_id:
fieldset = get_fieldset_from_index(schema, fieldset_id)
editable_schema.changeFieldFieldset(new_field.__name__, fieldset)
editable_schema.moveField(new_field.__name__, position)
notify(ObjectAddedEvent(new_field, schema))
notify(FieldAddedEvent(self.context, new_field))
IStatusMessage(self.request).addStatusMessage(
_(u'Field added successfully.'), type='info')
def add(self, field):
context = self.context
schema = IEditableSchema(context.schema)
# move it after the last field that is not in a fieldset
# or at top if there is no field yet in "default" fieldset
ordered_fields = [name for (name, f) in sortedFields(context.schema)]
default_fields = non_fieldset_fields(context.schema)
if len(default_fields) > 0:
position = ordered_fields.index(default_fields[-1]) + 1
else:
position = 0
try:
schema.addField(field)
except ValueError:
raise WidgetActionExecutionError('__name__',
Invalid(u'Please select a field name that is not already used.'))
schema.moveField(field.__name__, position)
notify(ObjectAddedEvent(field, context.schema))
notify(FieldAddedEvent(context, field))
self.status = _(u"Field added successfully.")
def handleSave(self, action):
data, errors = self.extractData()
# For choice fields, make sure default is in the valid values
if "values" in data:
values = data["values"] or []
if "default" in data and data["default"]:
default = data["default"]
if type(default) is not list:
default = [default]
for value in default:
if value not in values:
raise WidgetActionExecutionError(
"default", Invalid(_(u"Please enter a valid vocabulary value."))
)
if errors:
self.status = self.formErrorsMessage
return
# clear current min/max to avoid range errors
if "min" in data:
self.field.min = None
if "max" in data:
self.field.max = None
default = data.pop("default", _marker)
changes = self.applyChanges(data)
# make sure we can report invalid defaults
if default is not _marker:
try:
changes2 = self.applyChanges({"default": default})
except schema.ValidationError, e:
raise WidgetActionExecutionError("default", e)
else:
changes = changes or changes2
def add(self, new_field):
schema = self.context.schema
fieldset_id = int(self.request.form.get('fieldset_id', 0))
position = new_field_position(schema, fieldset_id)
editable_schema = IEditableSchema(schema)
try:
editable_schema.addField(new_field)
except ValueError:
raise WidgetActionExecutionError(
'__name__',
Invalid(
u'Please select a field name that is not already used.'
)
)
if fieldset_id:
fieldset = get_fieldset_from_index(schema, fieldset_id)
editable_schema.changeFieldFieldset(new_field.__name__, fieldset)
editable_schema.moveField(new_field.__name__, position)
notify(ObjectAddedEvent(new_field, schema))
notify(FieldAddedEvent(self.context, new_field))
IStatusMessage(self.request).addStatusMessage(
_(u'Field added successfully.'), type='info')
class FieldAddForm(AutoExtensibleForm, form.AddForm):
fields = field.Fields(interfaces.INewField)
label = _('Add new field')
id = 'add-field-form'
# This is a trick: we want autoform to handle the additionalSchemata,
# but want to provide our own base schema below in updateFields.
schema = Interface
@lazy_property
def _schema(self):
return interfaces.INewField
@lazy_property
def additionalSchemata(self):
return [
v for k, v in getAdapters((
self.context, ), interfaces.IFieldEditorExtender)
]
def create(self, data):
extra = {}
factory = data.pop('factory')
# split regular attributes and extra ones
for key in data.keys():
if key not in self._schema:
extra[key] = data[key]
data.pop(key)
# create the field with regular attributes
field_obj = factory(**data)
# set the extra attributes using the proper adapter
for schemata in self.additionalSchemata:
for key in extra:
(interface_name, property_name) = key.split('.')
if interface_name != schemata.__name__:
continue
setattr(schemata(field_obj), property_name, extra[key])
return field_obj
def add(self, new_field):
schema = self.context.schema
fieldset_id = int(self.request.form.get('fieldset_id', 0))
position = new_field_position(schema, fieldset_id)
editable_schema = IEditableSchema(schema)
try:
editable_schema.addField(new_field)
except ValueError:
raise WidgetActionExecutionError(
'__name__',
Invalid(
u'Please select a field name that is not already used.'))
if fieldset_id:
fieldset = get_fieldset_from_index(schema, fieldset_id)
editable_schema.changeFieldFieldset(new_field.__name__, fieldset)
editable_schema.moveField(new_field.__name__, position)
notify(ObjectAddedEvent(new_field, schema))
notify(FieldAddedEvent(self.context, new_field))
IStatusMessage(self.request).addStatusMessage(
_(u'Field added successfully.'), type='info')
def updateWidgets(self):
super(FieldAddForm, self).updateWidgets()
fieldset_id = int(self.request.form.get('fieldset_id', 0))
if fieldset_id:
# add fieldset_id from GET parameter as hidden field, so that
# ``add`` method at the end of the form lifecycle can read it.
fieldset_id_widget = TextWidget(self.request)
fieldset_id_widget.name = 'fieldset_id'
fieldset_id_widget.value = fieldset_id
fieldset_id_widget.mode = HIDDEN_MODE
# Uhm. z3c.form widgets doesn't have an API for extending a
# schema-generated form. Using internal ``_data_values``...
self.widgets._data_values.append(fieldset_id_widget)
def nextURL(self):
return '@@add-field'
def label(self):
return _(u"Edit Field '${fieldname}'",
mapping={'fieldname': self.field.__name__})
class FieldAddForm(AutoExtensibleForm, form.AddForm):
fields = field.Fields(interfaces.INewField)
label = _("Add new field")
id = 'add-field-form'
# This is a trick: we want autoform to handle the additionalSchemata,
# but want to provide our own base schema below in updateFields.
schema = Interface
@lazy_property
def _schema(self):
return interfaces.INewField
@lazy_property
def additionalSchemata(self):
return [v for k, v in getAdapters((self.context, ),
interfaces.IFieldEditorExtender)]
def create(self, data):
extra = {}
factory = data.pop('factory')
all = data.keys()
# split regular attributes and extra ones
for key in all:
if key not in self._schema:
extra[key] = data[key]
data.pop(key)
# create the field with regular attributes
field_obj = factory(**data)
# set the extra attributes using the proper adapter
for schemata in self.additionalSchemata:
for key in extra:
(interface_name, property_name) = key.split('.')
if interface_name != schemata.__name__:
continue
setattr(schemata(field_obj), property_name, extra[key])
return field_obj
def add(self, field):
context = self.context
schema = IEditableSchema(context.schema)
# move it after the last field that is not in a fieldset
# or at top if there is no field yet in "default" fieldset
ordered_fields = [name for (name, f) in sortedFields(context.schema)]
default_fields = non_fieldset_fields(context.schema)
if len(default_fields) > 0:
position = ordered_fields.index(default_fields[-1]) + 1
else:
position = 0
try:
schema.addField(field)
except ValueError:
raise WidgetActionExecutionError('__name__',
Invalid(
u'Please select a field name that is not already used.'
))
schema.moveField(field.__name__, position)
notify(ObjectAddedEvent(field, context.schema))
notify(FieldAddedEvent(context, field))
IStatusMessage(self.request).addStatusMessage(
_(u"Field added successfully."), type='info')
def nextURL(self):
return "@@add-field"
class AjaxSaveHandler(BrowserView):
"""Handle AJAX save posts.
"""
def __call__(self):
"""Handle AJAX save post.
"""
if not authorized(self.context, self.request):
raise Unauthorized
source = self.request.form.get('source')
if source:
# Is it valid XML?
try:
root = etree.fromstring(source)
except etree.XMLSyntaxError, e:
return json.dumps({
'success':
False,
'message':
"XMLSyntaxError: %s" % e.message.encode('utf8')
})
# a little more sanity checking, look at first two element levels
if root.tag != NAMESPACE + 'model':
return json.dumps({
'success':
False,
'message':
_(u"Error: root tag must be 'model'")
})
for element in root.getchildren():
if element.tag != NAMESPACE + 'schema':
return json.dumps({
'success':
False,
'message':
_(u"Error: all model elements must be 'schema'")
})
# can supermodel parse it?
# This is mainly good for catching bad dotted names.
try:
plone.supermodel.loadString(source, policy=u"dexterity")
except SupermodelParseError, e:
message = e.args[0].replace('\n File "<unknown>"', '')
return json.dumps({
'success':
False,
'message':
u"SuperModelParseError: %s" % message
})
# clean up formatting sins
source = etree.tostring(root,
pretty_print=True,
xml_declaration=True,
encoding='utf8')
# and save to FTI
fti = self.context.fti
fti.manage_changeProperties(model_source=source)
self.request.response.setHeader('Content-Type', 'application/json')
return json.dumps({'success': True, 'message': _(u"Saved")})
field_factories = [(id, factory) for id, factory in field_factories
if id in context.allowedFields]
terms = []
for (field_id, factory) in field_factories:
terms.append(
SimpleVocabulary.createTerm(
factory, factory.title,
translate(factory.title, context=request)))
terms = sorted(terms, key=operator.attrgetter('title'))
return SimpleVocabulary(terms)
# TextLineFactory is the default. We need to set that here to avoid a
# circular import.
TextLineFactory = FieldFactory(
schema.TextLine, _(u'label_textline_field', default=u'Text line (String)'))
interfaces.INewField['factory'].__dict__['default'] = TextLineFactory
TextFactory = FieldFactory(schema.Text, _(u'label_text_field',
default=u'Text'))
IntFactory = FieldFactory(schema.Int,
_(u'label_integer_field', default=u'Integer'))
FloatFactory = FieldFactory(
schema.Float, _(u'label_float_field', default=u'Floating-point number'))
BoolFactory = FieldFactory(schema.Bool,
_(u'label_boolean_field', default=u'Yes/No'))
PasswordFactory = FieldFactory(schema.Password,
_(u'label_password_field', default=u'Password'))
DatetimeFactory = FieldFactory(
schema.Datetime, _(u'label_datetime_field', default=u'Date/Time'))
DateFactory = FieldFactory(schema.Date, _(u'label_date_field',
try:
changes2 = self.applyChanges({"default": default})
except schema.ValidationError, e:
raise WidgetActionExecutionError("default", e)
else:
changes = changes or changes2
if changes:
self.status = self.successMessage
else:
self.status = self.noChangesMessage
notify(SchemaModifiedEvent(self.context.aq_parent))
self.redirectToParent()
@button.buttonAndHandler(_(u"Cancel"), name="cancel")
def handleCancel(self, action):
self.redirectToParent()
def redirectToParent(self):
self.request.response.redirect(aq_parent(aq_inner(self.context)).absolute_url())
# form wrapper to use Plone form template
class EditView(layout.FormWrapper):
form = FieldEditForm
def __init__(self, context, request):
super(EditView, self).__init__(context, request)
self.field = context.field
kwargs = copy.deepcopy(self.kw)
kwargs.update(**kw)
return self.fieldcls(*(self.args+args), **kwargs)
def FieldsVocabularyFactory(context):
field_factories = getUtilitiesFor(IFieldFactory)
terms = []
for (field_id, factory) in field_factories:
terms.append(SimpleVocabulary.createTerm(factory, translate(factory.title), factory.title))
return SimpleVocabulary(terms)
# TextLineFactory is the default. We need to set that here to avoid a circular import.
TextLineFactory = FieldFactory(schema.TextLine, _(u'label_textline_field', default=u'Text line (String)'))
interfaces.INewField['factory'].__dict__['default'] = TextLineFactory
TextFactory = FieldFactory(schema.Text, _(u'label_text_field', default=u'Text'))
IntFactory = FieldFactory(schema.Int, _(u'label_integer_field', default=u'Integer'))
FloatFactory = FieldFactory(schema.Float, _(u'label_float_field', default=u'Floating-point number'))
BoolFactory = FieldFactory(schema.Bool, _(u'label_boolean_field', default=u'Yes/No'))
PasswordFactory = FieldFactory(schema.Password, _(u'label_password_field', default=u'Password'))
DatetimeFactory = FieldFactory(schema.Datetime, _(u'label_datetime_field', default=u'Date/Time'))
DateFactory = FieldFactory(schema.Date, _(u'label_date_field', default=u'Date'))
@interface.implementer(interfaces.IFieldEditFormSchema)
@component.adapter(schema_ifaces.IChoice)
def getChoiceFieldSchema(field):
return se_schema.ITextLineChoice
""" test whether a given instance of a field is editable """
return True
def FieldsVocabularyFactory(context):
field_factories = getUtilitiesFor(IFieldFactory)
terms = []
for (field_id, factory) in field_factories:
terms.append(SimpleVocabulary.createTerm(factory, translate(factory.title), factory.title))
return SimpleVocabulary(terms)
# TextLineFactory is the default. We need to set that here to avoid a
# circular import.
TextLineFactory = FieldFactory(schema.TextLine, _(u"label_textline_field", default=u"Text line (String)"))
interfaces.INewField["factory"].__dict__["default"] = TextLineFactory
TextFactory = FieldFactory(schema.Text, _(u"label_text_field", default=u"Text"))
IntFactory = FieldFactory(schema.Int, _(u"label_integer_field", default=u"Integer"))
FloatFactory = FieldFactory(schema.Float, _(u"label_float_field", default=u"Floating-point number"))
BoolFactory = FieldFactory(schema.Bool, _(u"label_boolean_field", default=u"Yes/No"))
PasswordFactory = FieldFactory(schema.Password, _(u"label_password_field", default=u"Password"))
DatetimeFactory = FieldFactory(schema.Datetime, _(u"label_datetime_field", default=u"Date/Time"))
DateFactory = FieldFactory(schema.Date, _(u"label_date_field", default=u"Date"))
@interface.implementer(interfaces.IFieldEditFormSchema)
@component.adapter(schema_ifaces.IChoice)
def getChoiceFieldSchema(field):
return se_schema.ITextLineChoice
class SchemaListing(AutoExtensibleForm, form.Form):
implements(IEditForm)
ignoreContext = True
ignoreRequest = True
showEmptyGroups = True
template = ViewPageTemplateFile('schema_listing.pt')
@property
def schema(self):
return self.context.schema
@property
def additionalSchemata(self):
return self.context.additionalSchemata
def _iterateOverWidgets(self):
for widget in self.widgets.values():
yield widget
for group in self.groups:
for widget in group.widgets.values():
yield widget
def render(self):
for widget in self._iterateOverWidgets():
# disable fields from behaviors
if widget.field.interface is not self.context.schema:
widget.disabled = 'disabled'
# limit size of the preview for text areas
if hasattr(widget, 'rows'):
if widget.rows is None or widget.rows > 5:
widget.rows = 5
return super(SchemaListing, self).render()
@memoize
def _field_factory(self, field):
field_identifier = u'%s.%s' % (field.__module__,
field.__class__.__name__)
if self.context.allowedFields is not None:
if field_identifier not in self.context.allowedFields:
return None
return queryUtility(IFieldFactory, name=field_identifier)
def field_type(self, field):
field_factory = self._field_factory(field)
if field_factory is not None:
return field_factory.title
else:
return field.__class__.__name__
def edit_url(self, field):
field_factory = self._field_factory(field)
if field_factory is not None and field_factory.editable(field):
return '%s/%s' % (self.context.absolute_url(), field.__name__)
def delete_url(self, field):
return '%s/%s/@@delete' % (self.context.absolute_url(), field.__name__)
@button.buttonAndHandler(_(u'Save Defaults'))
def handleSaveDefaults(self, action):
# ignore fields from behaviors by setting their widgets' modes
# to the display mode while we extract the form values (hack!)
widget_modes = {}
for widget in self._iterateOverWidgets():
if widget.field.interface is not self.context.schema:
widget_modes[widget] = widget.mode
widget.mode = DISPLAY_MODE
data, errors = self.extractData()
if errors:
self.status = self.formErrorsMessage
return
for fname, value in data.items():
self.context.schema[fname].default = value
notify(SchemaModifiedEvent(self.context))
# restore the actual widget modes so they render a preview
for widget, mode in widget_modes.items():
widget.mode = mode
# update widgets to take the new defaults into account
self.updateWidgets()
def label(self):
return _(u"Edit Field '${fieldname}'",
mapping={'fieldname': self.field.__name__})
class FieldEditForm(AutoExtensibleForm, form.EditForm):
implements(IFieldEditForm)
id = 'edit-field-form'
def __init__(self, context, request):
super(form.EditForm, self).__init__(context, request)
self.field = FieldProxy(context.field)
def getContent(self):
return self.field
# This is a trick: we want autoform to handle the additionalSchemata,
# but want to provide our own base schema below in updateFields.
schema = Interface
@lazy_property
def _schema(self):
return interfaces.IFieldEditFormSchema(self.field)
@lazy_property
def additionalSchemata(self):
schema_context = self.context.aq_parent
return [v for k, v in getAdapters((schema_context, self.field),
interfaces.IFieldEditorExtender)]
@lazy_property
def label(self):
return _(u"Edit Field '${fieldname}'",
mapping={'fieldname': self.field.__name__})
def updateFields(self):
# use a custom 'title' field to make sure it is required
fields = field.Fields(IFieldTitle)
# omit the order attribute since it's managed elsewhere
fields += field.Fields(self._schema).omit(
'order', 'title', 'default', 'missing_value', 'readonly')
self.fields = fields
self.updateFieldsFromSchemata()
@button.buttonAndHandler(_(u'Save'), name='save')
def handleSave(self, action):
data, errors = self.extractData()
if errors:
self.status = self.formErrorsMessage
return
# clear current min/max to avoid range errors
if 'min' in data:
self.field.min = None
if 'max' in data:
self.field.max = None
changes = self.applyChanges(data)
if changes:
IStatusMessage(self.request).addStatusMessage(
self.successMessage, type='info')
else:
IStatusMessage(self.request).addStatusMessage(
self.noChangesMessage, type='info')
notify(SchemaModifiedEvent(self.context.aq_parent))
@button.buttonAndHandler(_(u'Cancel'), name='cancel')
def handleCancel(self, action):
self.redirectToParent()
def redirectToParent(self):
parent = aq_parent(aq_inner(self.context))
url = parent.absolute_url()
if hasattr(parent, 'schemaEditorView') and parent.schemaEditorView:
url += '/@@' + parent.schemaEditorView
self.request.response.redirect(url)
class SchemaListing(AutoExtensibleForm, form.Form):
ignoreContext = True
ignoreRequest = True
showEmptyGroups = True
template = ViewPageTemplateFile('schema_listing.pt')
ignoreRequiredOnExtract = True
@property
def schema(self):
return self.context.schema
@property
def additionalSchemata(self):
return self.context.additionalSchemata
def _iterateOverWidgets(self):
for widget in self.widgets.values():
yield widget
for group in self.groups:
for widget in group.widgets.values():
yield widget
def render(self):
for widget in self._iterateOverWidgets():
# disable fields from behaviors
if widget.field.interface is not self.context.schema:
widget.disabled = 'disabled'
# limit size of the preview for text areas
if hasattr(widget, 'rows'):
if widget.rows is None or widget.rows > 5:
widget.rows = 5
return super(SchemaListing, self).render()
@memoize
def _field_factory(self, field):
field_identifier = u'{0}.{1}'.format(
field.__module__,
field.__class__.__name__,
)
if self.context.allowedFields is not None:
if field_identifier not in self.context.allowedFields:
return None
return queryUtility(IFieldFactory, name=field_identifier)
def field_type(self, field):
field_factory = self._field_factory(field)
if field_factory is not None:
return field_factory.title
else:
return field.__class__.__name__
def protected_field(self, field):
field_identifier = u'{0}.{1}'.format(
field.__module__,
field.__class__.__name__,
)
field_factory = queryUtility(IFieldFactory, name=field_identifier)
return field_factory and field_factory.protected(field)
def edit_url(self, field):
field_factory = self._field_factory(field)
if field_factory is not None and field_factory.editable(field):
return '{0}/{1}'.format(
self.context.absolute_url(),
field.__name__,
)
def delete_url(self, field):
if field.__name__ in self.context.fieldsWhichCannotBeDeleted:
return
url = '{0}/{1}/@@delete'.format(
self.context.absolute_url(),
field.__name__,
)
if addTokenToUrl:
url = addTokenToUrl(url, self.request)
return url
@button.buttonAndHandler(
_(u'Save Defaults'),
condition=lambda form: getattr(form.context, 'showSaveDefaults', True))
def handleSaveDefaults(self, action):
data, errors = self.extractData()
if errors:
self.status = self.formErrorsMessage
return
for widget in self._iterateOverWidgets():
widget_name = widget.field.getName()
if (widget.field.interface is self.context.schema
and widget_name in data):
self.context.schema[widget_name].default = data[widget_name]
notify(SchemaModifiedEvent(self.context))
# update widgets to take the new defaults into account
self.updateWidgets()
