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megrok.z3cform.composed 0.1 (beta)
Composed forms for Grok, using z3c.form.

INSTALL>
pypm install megrok.z3cform.composed

How to install megrok.z3cform.composed

  1. Download and install ActivePython
  2. Open Command Prompt
  3. Type pypm install megrok.z3cform.composed
 Python 2.7Python 3.2Python 3.3
Windows (32-bit)
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Windows (64-bit)
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Mac OS X (10.5+)
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Linux (32-bit)
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Linux (64-bit)
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Author
License
GPL
Lastest release
version 0.1 on Jan 5th, 2011

megrok.z3cform.composed is a package dedicated to define and register composed forms. Composed forms are forms built from a collection of sub forms.

megrok.z3cform.composed is based on z3c.form and megrok.z3cform.base.

Getting started

We import the needed dependencies:

>>> import grokcore.view as grok
>>> import megrok.z3cform.composed
>>> from megrok.z3cform.composed import ComposedForm, SubForm

We import the components utilities:

>>> from zope.component import getMultiAdapter
>>> from zope.publisher.browser import TestRequest

Defining a composed form

Context

A form needs a context. Let's create a simple model for test purposes:

>>> class MyContent(object):

System Message: ERROR/3 (<string>, line 37)

Inconsistent literal block quoting.

... pass

Declaration
>>> class Form(ComposedForm):
...   grok.context(MyContent)
Registration
>>> grok_component('composed', Form)
True
Query
>>> content = MyContent()
>>> request = TestRequest()

>>> composed = getMultiAdapter((content, request), name="form")
>>> composed
<megrok.z3cform.composed.tests.Form object at ...>

>>> composed.subforms
[]

>>> composed.updateForm()
>>> composed.subforms
[]

Defining sub forms

Declaration
>>> class SubFormOne(SubForm):
...     grok.context(MyContent)
...     megrok.z3cform.composed.order(2)
...     megrok.z3cform.composed.view(Form)

>>> class SubFormTwo(SubForm):
...     grok.context(MyContent)
...     megrok.z3cform.composed.order(1)
...     megrok.z3cform.composed.view(Form)
Registration
>>> grok_component('one', SubFormOne)
True

>>> grok_component('one', SubFormTwo)
True
Query
>>> composed.subforms
[]

>>> composed.updateForm()
>>> composed.subforms
[<megrok.z3cform.composed.tests.SubFormTwo object at ...>, <megrok.z3cform.composed.tests.SubFormOne object at ...>]

>>> for sub in composed.subforms:
...   print sub.prefix, sub.parentForm
subformtwo <megrok.z3cform.composed.tests.Form object at ...>
subformone <megrok.z3cform.composed.tests.Form object at ...>

Changelog

0.1 (2009-10-27)
  • Initial release

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Last updated Jan 5th, 2011

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