e6e73ab46d
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1851 fd906abe-77d9-0310-91a1-e0d9ade77398
99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
#
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# Copyright (c) 2007 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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Instance adapter classes for schemas.
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$Id$
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"""
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from BTrees.OOBTree import OOBTree
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from zope.component import adapts
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from zope.interface import implements
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from cybertools.composer.instance import Instance
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from cybertools.composer.interfaces import IInstance
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from cybertools.composer.schema.interfaces import IClient
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class Editor(Instance):
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aspect = 'schema.editor.default'
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def applyTemplate(self, data={}, *args, **kw):
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for c in self.template.components:
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# TODO: implement the real stuff
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# save data (if available) in context
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# build sequence of fields with data from context
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# or directly use request...
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print c.name, getattr(self.context, c.name, '-')
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class ClientInstance(object):
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implements(IInstance)
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adapts(IClient)
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attrsName = '__schema_attributes__'
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template = None
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baseAspect = 'schema.client.'
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@property
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def aspect(self):
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return self.baseAspect + self.template.name
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def __init__(self, context):
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self.context = context
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def applyTemplate(self, **kw):
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""" Return a mapping of field names from self.template (a schema)
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to the corresponding values from the context object.
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"""
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result = {}
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attrs = getattr(self.context, self.attrsName, None)
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if attrs is None:
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return result
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template = self.template
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values = attrs.setdefault(self.aspect, {})
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if template is not None:
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for c in template.components:
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name = c.name
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result[name] = values.get(name, u'')
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result['__name__'] = self.context.__name__
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return result
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class ClientInstanceEditor(ClientInstance):
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def applyTemplate(self, data={}, **kw):
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""" Store the attributes described by self.template (a schema)
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using corresponding values from the data argument.
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"""
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attrs = getattr(self.context, self.attrsName, None)
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if attrs is None:
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attrs = OOBTree()
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setattr(self.context, self.attrsName, attrs)
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template = self.template
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values = attrs.setdefault(self.aspect, OOBTree())
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if template is not None:
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for c in template.components:
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name = c.name
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if name in data:
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values[name] = data[name]
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