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collective.wtforms 1.0a4

plone wtforms integration

Latest Version: 1.0a6

Introduction

collective.wtforms is plone integration with the WTForms form library.

Basic Complete Form Example

The basic form is constructed like so:

from wtforms import Form, TextField
from wtforms import validators
class MyForm(Form):
    one = TextField("Field One", [validators.required()])
    two = TextField("Field Two")
    three = TextField("Field Three")

from collective.wtforms.views import WTFormView
class MyFormView(WTFormView):
    formClass = MyForm
    buttons = ('Create', 'Cancel')

    def submit(self, button):
        if button == 'Create' and self.validate():
            # do fun stuff here
            self.context.value = self.form.one.data

Then wire up the form with zcml:

<browser:page
    name="my-form"
    for="*"
    class=".pathto.MyFormView"
    permission="zope2.View"
/>

You can also override the template used and then do:

<form tal:replace="structure view/renderForm" />

To render the form anywhere in your view.

Fieldsets

You can specific which fields go with which fieldsets easily also:

class MyFormView(WTFormView):
    formClass = MyForm
    buttons = ('Create', 'Cancel')
    fieldsets = (
        ('Fieldset One', ('one', 'two')),
        ('Fieldset Two', ('three',))
    )

    def submit(self, button):
        if button == 'Create' and self.validate():
            # do fun stuff here
            self.context.value = self.form.one.data

This will render the form in the standard plone feildsets.

Control Panel

It's also possible to easily construct a control panel form:

from collective.wtforms.views import WTFormControlPanelView
class MyFormView(WTFormControlPanelView):
    formClass = MyForm
    buttons = ('Save', 'Cancel')

    def submit(self, button):
        if button == 'Save' and self.validate():
            # do fun stuff here
            self.context.value = self.form.one.data

WTFormView Class Properties

formClass
The WTForm class used. Required
label
The form label that shows up in the h1 tag
description
form description
prefix
The prefix of the form input name values. Defaults to wtform
buttonPrefix
The prefix of the button names. Defaults to form.actions.
wrapWithFieldset
A boolean that decides if it should wrap the fields in a fieldset. Defaults to True
csrfProtect
Protect the form against csrf attacks. Defaults to True
buttons
An iterable of button names. Defaults to ('Save', 'Cancel')
fieldsets
An iterable of (fieldset name, (field names, ...)). Defaults to empty
form
The instance of the WTForm form that is created on rendering the form.
data
Override this property to specify default values to populate the form with. This must return a dictionary.
submitted
Boolean if the form was submitted or not.
renderField(field)
Method to render a specific field.
renderForm()
Method to render the entire form.
validate()
Check csrf protection and validates the form.
submit(button)

The method you must override to handle the form sumission and run validation. Return a value to override rendering the template(self.index()). For instance, if you do a redirect, there is no need to render the page also:

def submit(self, button):
    if button == 'Save' and self.validate():
        self.context.value = self.form.one.data
        self.request.response.redirect(self.context.absolute_url())
        return 1
mungeForm(form)
A method to mess with the form after it is created. This is what can be used to apply dynamic choices.

Changelog

1.0a4 (2012-08-29)

  • provide some bootstrap class hints

1.0a3 (2011-10-11)

  • fix issue where initial form data wouldn't work in some instances.

1.0a2 (2011-10-06)

  • Fixed control panel template used.
  • add ability to easily mess with form after creation
  • add ability to provide initial data to form values

1.0a1 (2011-09-29)

  • Initial release
 
File Type Py Version Uploaded on Size
collective.wtforms-1.0a4.zip (md5) Source 2012-08-29 24KB
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