116 lines
4 KiB
Python
116 lines
4 KiB
Python
#
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# Copyright (c) 2016 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Schema factory stuff.
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"""
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from zope.component import adapts
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from zope.interface import implements
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from zope.interface import Interface
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from zope import schema
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from cybertools.composer.schema.field import Field
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from cybertools.composer.schema.interfaces import ISchemaFactory, ISchemaProcessor
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from cybertools.composer.schema.schema import Schema
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class Email(schema.TextLine):
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__typeInfo__ = ('email',)
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# put field type name and other info in standard field classes.
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schema.Field.__typeInfo__ = ('textline',)
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schema.Password.__typeInfo__ = ('password',)
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schema.Int.__typeInfo__ = ('number',)
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schema.Float.__typeInfo__ = ('decimal',)
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schema.Choice.__typeInfo__ = ('dropdown',)
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class SchemaFactory(object):
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""" Creates a cybertools.composer schema from an
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interface (a zope.schema schema).
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"""
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implements(ISchemaFactory)
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adapts(Interface)
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fieldMapping = {
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#schema.TextLine: ('textline',),
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#schema.ASCIILine: ('textline',),
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#schema.Password: ('password',),
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schema.Text: ('textarea',),
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schema.ASCII: ('textarea',),
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schema.Date: ('date',),
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schema.Datetime: ('date',),
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#schema.Int: ('number',),
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#schema.Float: ('decimal',),
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schema.Bool: ('checkbox',),
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schema.List: ('list',),
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#schema.Choice: ('dropdown',),
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schema.Bytes: ('fileupload',),
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#Email: ('email',),
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}
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def __init__(self, context):
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self.context = context
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self.schemaProcessor = ISchemaProcessor(self, None)
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def __call__(self, interface, **kw):
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fieldMapping = self.fieldMapping
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fields = []
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omit = kw.pop('omit', [])
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include = kw.pop('include', [])
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for fname in schema.getFieldNamesInOrder(interface):
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if fname in omit:
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continue
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if include and fname not in include:
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continue
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field = interface[fname]
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info = fieldMapping.get(field.__class__)
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f = createField(field, info)
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if self.schemaProcessor is not None:
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f = self.schemaProcessor.process(f, **kw)
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if f is not None:
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fields.append(f)
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return Schema(name=interface.__name__, *fields, **kw)
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def createField(field, info=None):
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if info is None:
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info = getattr(field, '__typeInfo__', ('textline',))
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voc = (getattr(field, 'vocabulary', ()) or
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getattr(field, 'vocabularyName', None))
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f = Field(field.getName(),
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fieldType=info[0],
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fieldTypeInfo=len(info) > 1 and info[1] or None,
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required=field.required,
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default=field.default,
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default_method=getattr(field, 'default_method', None),
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vocabulary=voc,
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title=field.title,
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description=field.description,
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readonly=field.readonly,
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#value_type=getattr(field, 'value_type', None),
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nostore=getattr(field, 'nostore', False),
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showEmpty=getattr(field, 'showEmpty', False),
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multiple=getattr(field, 'multiple', False),
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display_format=getattr(field, 'displayFormat', None),
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baseField=field,)
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return f
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