kopia lustrzana https://github.com/wagtail/wagtail
Documentation - migrate form builder docs to markdown (#8007)
Co-authored-by: Thibaud Colas <thibaudcolas@gmail.com>pull/8105/head
LB (Ben Johnston)
GitHub
rodzic
6ed65f14c6
commit
e3b6e79a8e
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@ -116,7 +116,7 @@ Additionally, you can hide empty heading blocks with CSS:
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Forms
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-----
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The ``wagtailforms`` :ref:`form_builder` uses Django’s forms API. Here are considerations specific to forms in templates:
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The :ref:`Form builder <form_builder>` uses Django’s forms API. Here are considerations specific to forms in templates:
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- Avoid rendering helpers such as ``as_table``, ``as_ul``, ``as_p``, which can make forms harder to navigate for screen reader users or cause HTML validation issues (see Django ticket `#32339 <https://code.djangoproject.com/ticket/32339>`_).
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- Make sure to visually distinguish required and optional fields.
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@ -114,7 +114,7 @@ Wagtail Apps
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Admin interface for creating arbitrary redirects on your site.
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``wagtail.contrib.forms``
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Models for creating forms on your pages and viewing submissions. See :ref:`form_builder`.
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Models for creating forms on your pages and viewing submissions. See :ref:`Form builder <form_builder>`.
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Third-Party Apps
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@ -0,0 +1,780 @@
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# Form builder customisation
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```eval_rst
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For a basic usage example see :ref:`form_builder_usage`.
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```
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## Custom `related_name` for form fields
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If you want to change `related_name` for form fields
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(by default `AbstractForm` and `AbstractEmailForm` expect ``form_fields`` to be defined),
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you will need to override the `get_form_fields` method.
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You can do this as shown below.
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```python
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from modelcluster.fields import ParentalKey
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from wagtail.admin.edit_handlers import (
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FieldPanel, FieldRowPanel,
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InlinePanel, MultiFieldPanel
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)
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from wagtail.core.fields import RichTextField
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from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
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class FormField(AbstractFormField):
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page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='custom_form_fields')
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class FormPage(AbstractEmailForm):
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intro = RichTextField(blank=True)
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thank_you_text = RichTextField(blank=True)
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content_panels = AbstractEmailForm.content_panels + [
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FieldPanel('intro', classname="full"),
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InlinePanel('custom_form_fields', label="Form fields"),
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FieldPanel('thank_you_text', classname="full"),
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MultiFieldPanel([
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FieldRowPanel([
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FieldPanel('from_address', classname="col6"),
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FieldPanel('to_address', classname="col6"),
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]),
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FieldPanel('subject'),
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], "Email"),
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]
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def get_form_fields(self):
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return self.custom_form_fields.all()
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```
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## Custom form submission model
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If you need to save additional data, you can use a custom form submission model.
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To do this, you need to:
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* Define a model that extends `wagtail.contrib.forms.models.AbstractFormSubmission`.
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* Override the `get_submission_class` and `process_form_submission` methods in your page model.
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Example:
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```python
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import json
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from django.conf import settings
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from django.core.serializers.json import DjangoJSONEncoder
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from django.db import models
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from modelcluster.fields import ParentalKey
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from wagtail.admin.edit_handlers import (
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FieldPanel, FieldRowPanel,
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InlinePanel, MultiFieldPanel
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)
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from wagtail.core.fields import RichTextField
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from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField, AbstractFormSubmission
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class FormField(AbstractFormField):
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page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
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class FormPage(AbstractEmailForm):
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intro = RichTextField(blank=True)
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thank_you_text = RichTextField(blank=True)
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content_panels = AbstractEmailForm.content_panels + [
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FieldPanel('intro', classname="full"),
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InlinePanel('form_fields', label="Form fields"),
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FieldPanel('thank_you_text', classname="full"),
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MultiFieldPanel([
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FieldRowPanel([
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FieldPanel('from_address', classname="col6"),
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FieldPanel('to_address', classname="col6"),
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]),
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FieldPanel('subject'),
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], "Email"),
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]
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def get_submission_class(self):
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return CustomFormSubmission
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def process_form_submission(self, form):
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self.get_submission_class().objects.create(
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form_data=json.dumps(form.cleaned_data, cls=DjangoJSONEncoder),
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page=self, user=form.user
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)
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class CustomFormSubmission(AbstractFormSubmission):
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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```
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## Add custom data to CSV export
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If you want to add custom data to the CSV export, you will need to:
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* Override the `get_data_fields` method in page model.
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* Override `get_data` in the submission model.
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The example below shows how to add a username to the CSV export.
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Note that this code also changes the submissions list view.
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```python
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import json
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from django.conf import settings
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from django.core.serializers.json import DjangoJSONEncoder
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from django.db import models
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from modelcluster.fields import ParentalKey
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from wagtail.admin.edit_handlers import (
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FieldPanel, FieldRowPanel,
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InlinePanel, MultiFieldPanel
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)
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from wagtail.core.fields import RichTextField
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from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField, AbstractFormSubmission
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class FormField(AbstractFormField):
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page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
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class FormPage(AbstractEmailForm):
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intro = RichTextField(blank=True)
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thank_you_text = RichTextField(blank=True)
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content_panels = AbstractEmailForm.content_panels + [
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FieldPanel('intro', classname="full"),
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InlinePanel('form_fields', label="Form fields"),
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FieldPanel('thank_you_text', classname="full"),
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MultiFieldPanel([
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FieldRowPanel([
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FieldPanel('from_address', classname="col6"),
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FieldPanel('to_address', classname="col6"),
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]),
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FieldPanel('subject'),
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], "Email"),
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]
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def get_data_fields(self):
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data_fields = [
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('username', 'Username'),
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]
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data_fields += super().get_data_fields()
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return data_fields
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def get_submission_class(self):
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return CustomFormSubmission
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def process_form_submission(self, form):
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self.get_submission_class().objects.create(
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form_data=json.dumps(form.cleaned_data, cls=DjangoJSONEncoder),
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page=self, user=form.user
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)
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class CustomFormSubmission(AbstractFormSubmission):
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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def get_data(self):
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form_data = super().get_data()
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form_data.update({
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'username': self.user.username,
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})
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return form_data
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```
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## Check that a submission already exists for a user
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If you want to prevent users from filling in a form more than once,
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you need to override the `serve` method in your page model.
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Example:
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```python
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import json
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from django.conf import settings
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from django.core.serializers.json import DjangoJSONEncoder
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from django.db import models
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from django.shortcuts import render
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from modelcluster.fields import ParentalKey
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from wagtail.admin.edit_handlers import (
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FieldPanel, FieldRowPanel,
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InlinePanel, MultiFieldPanel
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)
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from wagtail.core.fields import RichTextField
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from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField, AbstractFormSubmission
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class FormField(AbstractFormField):
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page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
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class FormPage(AbstractEmailForm):
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intro = RichTextField(blank=True)
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thank_you_text = RichTextField(blank=True)
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content_panels = AbstractEmailForm.content_panels + [
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FieldPanel('intro', classname="full"),
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InlinePanel('form_fields', label="Form fields"),
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FieldPanel('thank_you_text', classname="full"),
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MultiFieldPanel([
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FieldRowPanel([
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FieldPanel('from_address', classname="col6"),
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FieldPanel('to_address', classname="col6"),
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]),
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FieldPanel('subject'),
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], "Email"),
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]
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def serve(self, request, *args, **kwargs):
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if self.get_submission_class().objects.filter(page=self, user__pk=request.user.pk).exists():
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return render(
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request,
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self.template,
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self.get_context(request)
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)
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return super().serve(request, *args, **kwargs)
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def get_submission_class(self):
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return CustomFormSubmission
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def process_form_submission(self, form):
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self.get_submission_class().objects.create(
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form_data=json.dumps(form.cleaned_data, cls=DjangoJSONEncoder),
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page=self, user=form.user
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)
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class CustomFormSubmission(AbstractFormSubmission):
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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class Meta:
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unique_together = ('page', 'user')
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```
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Your template should look like this:
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```html+django
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{% load wagtailcore_tags %}
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<html>
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<head>
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<title>{{ page.title }}</title>
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</head>
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<body>
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<h1>{{ page.title }}</h1>
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{% if user.is_authenticated and user.is_active or request.is_preview %}
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{% if form %}
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<div>{{ page.intro|richtext }}</div>
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<form action="{% pageurl page %}" method="POST">
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{% csrf_token %}
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{{ form.as_p }}
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<input type="submit">
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</form>
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{% else %}
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<div>You can fill in the from only one time.</div>
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{% endif %}
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{% else %}
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<div>To fill in the form, you must to log in.</div>
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{% endif %}
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</body>
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</html>
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```
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## Multi-step form
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The following example shows how to create a multi-step form.
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```python
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from django.core.paginator import Paginator, PageNotAnInteger, EmptyPage
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from django.shortcuts import render
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from modelcluster.fields import ParentalKey
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from wagtail.admin.edit_handlers import (
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FieldPanel, FieldRowPanel,
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InlinePanel, MultiFieldPanel
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)
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from wagtail.core.fields import RichTextField
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from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
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class FormField(AbstractFormField):
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page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
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class FormPage(AbstractEmailForm):
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intro = RichTextField(blank=True)
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thank_you_text = RichTextField(blank=True)
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content_panels = AbstractEmailForm.content_panels + [
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FieldPanel('intro', classname="full"),
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InlinePanel('form_fields', label="Form fields"),
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FieldPanel('thank_you_text', classname="full"),
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MultiFieldPanel([
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FieldRowPanel([
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FieldPanel('from_address', classname="col6"),
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FieldPanel('to_address', classname="col6"),
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]),
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FieldPanel('subject'),
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], "Email"),
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]
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def get_form_class_for_step(self, step):
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return self.form_builder(step.object_list).get_form_class()
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def serve(self, request, *args, **kwargs):
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"""
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Implements a simple multi-step form.
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Stores each step into a session.
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When the last step was submitted correctly, saves whole form into a DB.
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"""
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session_key_data = 'form_data-%s' % self.pk
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is_last_step = False
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step_number = request.GET.get('p', 1)
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paginator = Paginator(self.get_form_fields(), per_page=1)
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try:
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step = paginator.page(step_number)
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except PageNotAnInteger:
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step = paginator.page(1)
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except EmptyPage:
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step = paginator.page(paginator.num_pages)
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is_last_step = True
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if request.method == 'POST':
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# The first step will be submitted with step_number == 2,
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# so we need to get a form from previous step
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# Edge case - submission of the last step
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prev_step = step if is_last_step else paginator.page(step.previous_page_number())
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# Create a form only for submitted step
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prev_form_class = self.get_form_class_for_step(prev_step)
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prev_form = prev_form_class(request.POST, page=self, user=request.user)
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if prev_form.is_valid():
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# If data for step is valid, update the session
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form_data = request.session.get(session_key_data, {})
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form_data.update(prev_form.cleaned_data)
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request.session[session_key_data] = form_data
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if prev_step.has_next():
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# Create a new form for a following step, if the following step is present
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form_class = self.get_form_class_for_step(step)
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form = form_class(page=self, user=request.user)
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else:
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# If there is no next step, create form for all fields
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form = self.get_form(
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request.session[session_key_data],
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page=self, user=request.user
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)
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if form.is_valid():
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# Perform validation again for whole form.
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# After successful validation, save data into DB,
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# and remove from the session.
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form_submission = self.process_form_submission(form)
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del request.session[session_key_data]
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# render the landing page
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return self.render_landing_page(request, form_submission, *args, **kwargs)
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else:
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# If data for step is invalid
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# we will need to display form again with errors,
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# so restore previous state.
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form = prev_form
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step = prev_step
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else:
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# Create empty form for non-POST requests
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form_class = self.get_form_class_for_step(step)
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form = form_class(page=self, user=request.user)
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context = self.get_context(request)
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context['form'] = form
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context['fields_step'] = step
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return render(
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request,
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self.template,
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context
|
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)
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```
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|
||||
|
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Your template for this form page should look like this:
|
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|
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```html+django
|
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{% load wagtailcore_tags %}
|
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<html>
|
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<head>
|
||||
<title>{{ page.title }}</title>
|
||||
</head>
|
||||
<body>
|
||||
<h1>{{ page.title }}</h1>
|
||||
|
||||
<div>{{ page.intro|richtext }}</div>
|
||||
<form action="{% pageurl page %}?p={{ fields_step.number|add:"1" }}" method="POST">
|
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{% csrf_token %}
|
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{{ form.as_p }}
|
||||
<input type="submit">
|
||||
</form>
|
||||
</body>
|
||||
</html>
|
||||
```
|
||||
|
||||
|
||||
Note that the example shown before allows the user to return to a previous step,
|
||||
or to open a second step without submitting the first step.
|
||||
Depending on your requirements, you may need to add extra checks.
|
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|
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## Show results
|
||||
|
||||
If you are implementing polls or surveys, you may want to show results after submission.
|
||||
The following example demonstrates how to do this.
|
||||
|
||||
First, you need to collect results as shown below:
|
||||
|
||||
```python
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.admin.edit_handlers import (
|
||||
FieldPanel, FieldRowPanel,
|
||||
InlinePanel, MultiFieldPanel
|
||||
)
|
||||
from wagtail.core.fields import RichTextField
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname="full"),
|
||||
InlinePanel('form_fields', label="Form fields"),
|
||||
FieldPanel('thank_you_text', classname="full"),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname="col6"),
|
||||
FieldPanel('to_address', classname="col6"),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], "Email"),
|
||||
]
|
||||
|
||||
def get_context(self, request, *args, **kwargs):
|
||||
context = super().get_context(request, *args, **kwargs)
|
||||
|
||||
# If you need to show results only on landing page,
|
||||
# you may need check request.method
|
||||
|
||||
results = dict()
|
||||
# Get information about form fields
|
||||
data_fields = [
|
||||
(field.clean_name, field.label)
|
||||
for field in self.get_form_fields()
|
||||
]
|
||||
|
||||
# Get all submissions for current page
|
||||
submissions = self.get_submission_class().objects.filter(page=self)
|
||||
for submission in submissions:
|
||||
data = submission.get_data()
|
||||
|
||||
# Count results for each question
|
||||
for name, label in data_fields:
|
||||
answer = data.get(name)
|
||||
if answer is None:
|
||||
# Something wrong with data.
|
||||
# Probably you have changed questions
|
||||
# and now we are receiving answers for old questions.
|
||||
# Just skip them.
|
||||
continue
|
||||
|
||||
if type(answer) is list:
|
||||
# Answer is a list if the field type is 'Checkboxes'
|
||||
answer = u', '.join(answer)
|
||||
|
||||
question_stats = results.get(label, {})
|
||||
question_stats[answer] = question_stats.get(answer, 0) + 1
|
||||
results[label] = question_stats
|
||||
|
||||
context.update({
|
||||
'results': results,
|
||||
})
|
||||
return context
|
||||
```
|
||||
|
||||
Next, you need to transform your template to display the results:
|
||||
|
||||
```html+django
|
||||
{% load wagtailcore_tags %}
|
||||
<html>
|
||||
<head>
|
||||
<title>{{ page.title }}</title>
|
||||
</head>
|
||||
<body>
|
||||
<h1>{{ page.title }}</h1>
|
||||
|
||||
<h2>Results</h2>
|
||||
{% for question, answers in results.items %}
|
||||
<h3>{{ question }}</h3>
|
||||
{% for answer, count in answers.items %}
|
||||
<div>{{ answer }}: {{ count }}</div>
|
||||
{% endfor %}
|
||||
{% endfor %}
|
||||
|
||||
<div>{{ page.intro|richtext }}</div>
|
||||
<form action="{% pageurl page %}" method="POST">
|
||||
{% csrf_token %}
|
||||
{{ form.as_p }}
|
||||
<input type="submit">
|
||||
</form>
|
||||
</body>
|
||||
</html>
|
||||
```
|
||||
|
||||
You can also show the results on the landing page.
|
||||
|
||||
## Custom landing page redirect
|
||||
|
||||
You can override the `render_landing_page` method on your `FormPage` to change what is rendered when a form submits.
|
||||
|
||||
In this example below we have added a `thank_you_page` field that enables custom redirects after a form submits to the selected page.
|
||||
|
||||
When overriding the `render_landing_page` method, we check if there is a linked `thank_you_page` and then redirect to it if it exists.
|
||||
|
||||
Finally, we add a URL param of `id` based on the `form_submission` if it exists.
|
||||
|
||||
```python
|
||||
from django.shortcuts import redirect
|
||||
from wagtail.admin.edit_handlers import FieldPanel, FieldRowPanel, InlinePanel, MultiFieldPanel
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
|
||||
# intro, thank_you_text, ...
|
||||
|
||||
thank_you_page = models.ForeignKey(
|
||||
'wagtailcore.Page',
|
||||
null=True,
|
||||
blank=True,
|
||||
on_delete=models.SET_NULL,
|
||||
related_name='+',
|
||||
)
|
||||
|
||||
def render_landing_page(self, request, form_submission=None, *args, **kwargs):
|
||||
if self.thank_you_page:
|
||||
url = self.thank_you_page.url
|
||||
# if a form_submission instance is available, append the id to URL
|
||||
# when previewing landing page, there will not be a form_submission instance
|
||||
if form_submission:
|
||||
url += '?id=%s' % form_submission.id
|
||||
return redirect(url, permanent=False)
|
||||
# if no thank_you_page is set, render default landing page
|
||||
return super().render_landing_page(request, form_submission, *args, **kwargs)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname='full'),
|
||||
InlinePanel('form_fields'),
|
||||
FieldPanel('thank_you_text', classname='full'),
|
||||
FieldPanel('thank_you_page'),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname='col6'),
|
||||
FieldPanel('to_address', classname='col6'),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], 'Email'),
|
||||
]
|
||||
```
|
||||
|
||||
## Customise form submissions listing in Wagtail Admin
|
||||
|
||||
The Admin listing of form submissions can be customised by setting the attribute `submissions_list_view_class` on your FormPage model.
|
||||
|
||||
```eval_rst
|
||||
The list view class must be a subclass of ``SubmissionsListView`` from ``wagtail.contrib.forms.views``, which is a child class of Django's class based :class:`~django.views.generic.list.ListView`.
|
||||
```
|
||||
|
||||
Example:
|
||||
|
||||
```python
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
|
||||
from wagtail.contrib.forms.views import SubmissionsListView
|
||||
|
||||
|
||||
class CustomSubmissionsListView(SubmissionsListView):
|
||||
paginate_by = 50 # show more submissions per page, default is 20
|
||||
ordering = ('submit_time',) # order submissions by oldest first, normally newest first
|
||||
ordering_csv = ('-submit_time',) # order csv export by newest first, normally oldest first
|
||||
|
||||
# override the method to generate csv filename
|
||||
def get_csv_filename(self):
|
||||
""" Returns the filename for CSV file with page slug at start"""
|
||||
filename = super().get_csv_filename()
|
||||
return self.form_page.slug + '-' + filename
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
"""Form Page with customised submissions listing view"""
|
||||
|
||||
# set custom view class as class attribute
|
||||
submissions_list_view_class = CustomSubmissionsListView
|
||||
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
# content_panels = ...
|
||||
```
|
||||
|
||||
## Adding a custom field type
|
||||
|
||||
First, make the new field type available in the page editor by changing your `FormField` model.
|
||||
|
||||
* Create a new set of choices which includes the original `FORM_FIELD_CHOICES` along with new field types you want to make available.
|
||||
* Each choice must contain a unique key and a human readable name of the field, e.g. `('slug', 'URL Slug')`
|
||||
* Override the `field_type` field in your `FormField` model with `choices` attribute using these choices.
|
||||
* You will need to run `./manage.py makemigrations` and `./manage.py migrate` after this step.
|
||||
|
||||
|
||||
Then, create and use a new form builder class.
|
||||
|
||||
* Define a new form builder class that extends the `FormBuilder` class.
|
||||
* Add a method that will return a created Django form field for the new field type.
|
||||
* Its name must be in the format: `create_<field_type_key>_field`, e.g. `create_slug_field`
|
||||
* Override the `form_builder` attribute in your form page model to use your new form builder class.
|
||||
|
||||
Example:
|
||||
|
||||
```python
|
||||
from django import forms
|
||||
from django.db import models
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.contrib.forms.forms import FormBuilder
|
||||
from wagtail.contrib.forms.models import (
|
||||
AbstractEmailForm, AbstractFormField, FORM_FIELD_CHOICES)
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
# extend the built in field type choices
|
||||
# our field type key will be 'ipaddress'
|
||||
CHOICES = FORM_FIELD_CHOICES + (('ipaddress', 'IP Address'),)
|
||||
|
||||
page = ParentalKey('FormPage', related_name='form_fields')
|
||||
# override the field_type field with extended choices
|
||||
field_type = models.CharField(
|
||||
verbose_name='field type',
|
||||
max_length=16,
|
||||
# use the choices tuple defined above
|
||||
choices=CHOICES
|
||||
)
|
||||
|
||||
|
||||
class CustomFormBuilder(FormBuilder):
|
||||
# create a function that returns an instanced Django form field
|
||||
# function name must match create_<field_type_key>_field
|
||||
def create_ipaddress_field(self, field, options):
|
||||
# return `forms.GenericIPAddressField(**options)` not `forms.SlugField`
|
||||
# returns created a form field with the options passed in
|
||||
return forms.GenericIPAddressField(**options)
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
# intro, thank_you_text, edit_handlers, etc...
|
||||
|
||||
# use custom form builder defined above
|
||||
form_builder = CustomFormBuilder
|
||||
```
|
||||
|
||||
|
||||
```eval_rst
|
||||
.. _form_builder_render_email:
|
||||
```
|
||||
|
||||
## Custom `render_email` method
|
||||
|
||||
If you want to change the content of the email that is sent when a form submits you can override the `render_email` method.
|
||||
|
||||
|
||||
To do this, you need to:
|
||||
|
||||
* Ensure you have your form model defined that extends `wagtail.contrib.forms.models.AbstractEmailForm`.
|
||||
* Override the `render_email` method in your page model.
|
||||
|
||||
Example:
|
||||
|
||||
```python
|
||||
from datetime import date
|
||||
# ... additional wagtail imports
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
# ... fields, content_panels, etc
|
||||
|
||||
def render_email(self, form):
|
||||
# Get the original content (string)
|
||||
email_content = super().render_email(form)
|
||||
|
||||
# Add a title (not part of original method)
|
||||
title = '{}: {}'.format('Form', self.title)
|
||||
|
||||
content = [title, '', email_content, '']
|
||||
|
||||
# Add a link to the form page
|
||||
content.append('{}: {}'.format('Submitted Via', self.full_url))
|
||||
|
||||
# Add the date the form was submitted
|
||||
submitted_date_str = date.today().strftime('%x')
|
||||
content.append('{}: {}'.format('Submitted on', submitted_date_str))
|
||||
|
||||
# Content is joined with a new line to separate each text line
|
||||
content = '\n'.join(content)
|
||||
|
||||
return content
|
||||
```
|
||||
|
||||
|
||||
## Custom `send_mail` method
|
||||
|
||||
If you want to change the subject or some other part of how an email is sent when a form submits you can override the `send_mail` method.
|
||||
|
||||
|
||||
To do this, you need to:
|
||||
|
||||
* Ensure you have your form model defined that extends `wagtail.contrib.forms.models.AbstractEmailForm`.
|
||||
* In your models.py file, import the `wagtail.admin.mail.send_mail` function.
|
||||
* Override the `send_mail` method in your page model.
|
||||
|
||||
|
||||
Example:
|
||||
|
||||
```python
|
||||
from datetime import date
|
||||
# ... additional wagtail imports
|
||||
from wagtail.admin.mail import send_mail
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
# ... fields, content_panels, etc
|
||||
|
||||
def send_mail(self, form):
|
||||
# `self` is the FormPage, `form` is the form's POST data on submit
|
||||
|
||||
# Email addresses are parsed from the FormPage's addresses field
|
||||
addresses = [x.strip() for x in self.to_address.split(',')]
|
||||
|
||||
# Subject can be adjusted (adding submitted date), be sure to include the form's defined subject field
|
||||
submitted_date_str = date.today().strftime('%x')
|
||||
subject = f"{self.subject} - {submitted_date_str}"
|
||||
|
||||
send_mail(subject, self.render_email(form), addresses, self.from_address,)
|
||||
```
|
||||
|
|
@ -1,793 +0,0 @@
|
|||
Form builder customisation
|
||||
==========================
|
||||
|
||||
For a basic usage example see :ref:`form_builder_usage`.
|
||||
|
||||
Custom ``related_name`` for form fields
|
||||
---------------------------------------
|
||||
|
||||
If you want to change ``related_name`` for form fields
|
||||
(by default ``AbstractForm`` and ``AbstractEmailForm`` expect ``form_fields`` to be defined),
|
||||
you will need to override the ``get_form_fields`` method.
|
||||
You can do this as shown below.
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.admin.edit_handlers import (
|
||||
FieldPanel, FieldRowPanel,
|
||||
InlinePanel, MultiFieldPanel
|
||||
)
|
||||
from wagtail.core.fields import RichTextField
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='custom_form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname="full"),
|
||||
InlinePanel('custom_form_fields', label="Form fields"),
|
||||
FieldPanel('thank_you_text', classname="full"),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname="col6"),
|
||||
FieldPanel('to_address', classname="col6"),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], "Email"),
|
||||
]
|
||||
|
||||
def get_form_fields(self):
|
||||
return self.custom_form_fields.all()
|
||||
|
||||
Custom form submission model
|
||||
----------------------------
|
||||
|
||||
If you need to save additional data, you can use a custom form submission model.
|
||||
To do this, you need to:
|
||||
|
||||
* Define a model that extends ``wagtail.contrib.forms.models.AbstractFormSubmission``.
|
||||
* Override the ``get_submission_class`` and ``process_form_submission`` methods in your page model.
|
||||
|
||||
Example:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
import json
|
||||
|
||||
from django.conf import settings
|
||||
from django.core.serializers.json import DjangoJSONEncoder
|
||||
from django.db import models
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.admin.edit_handlers import (
|
||||
FieldPanel, FieldRowPanel,
|
||||
InlinePanel, MultiFieldPanel
|
||||
)
|
||||
from wagtail.core.fields import RichTextField
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField, AbstractFormSubmission
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname="full"),
|
||||
InlinePanel('form_fields', label="Form fields"),
|
||||
FieldPanel('thank_you_text', classname="full"),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname="col6"),
|
||||
FieldPanel('to_address', classname="col6"),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], "Email"),
|
||||
]
|
||||
|
||||
def get_submission_class(self):
|
||||
return CustomFormSubmission
|
||||
|
||||
def process_form_submission(self, form):
|
||||
self.get_submission_class().objects.create(
|
||||
form_data=json.dumps(form.cleaned_data, cls=DjangoJSONEncoder),
|
||||
page=self, user=form.user
|
||||
)
|
||||
|
||||
|
||||
class CustomFormSubmission(AbstractFormSubmission):
|
||||
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
|
||||
|
||||
|
||||
Add custom data to CSV export
|
||||
-----------------------------
|
||||
|
||||
If you want to add custom data to the CSV export, you will need to:
|
||||
|
||||
* Override the ``get_data_fields`` method in page model.
|
||||
* Override ``get_data`` in the submission model.
|
||||
|
||||
The following example shows how to add a username to the CSV export:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
import json
|
||||
|
||||
from django.conf import settings
|
||||
from django.core.serializers.json import DjangoJSONEncoder
|
||||
from django.db import models
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.admin.edit_handlers import (
|
||||
FieldPanel, FieldRowPanel,
|
||||
InlinePanel, MultiFieldPanel
|
||||
)
|
||||
from wagtail.core.fields import RichTextField
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField, AbstractFormSubmission
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname="full"),
|
||||
InlinePanel('form_fields', label="Form fields"),
|
||||
FieldPanel('thank_you_text', classname="full"),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname="col6"),
|
||||
FieldPanel('to_address', classname="col6"),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], "Email"),
|
||||
]
|
||||
|
||||
def get_data_fields(self):
|
||||
data_fields = [
|
||||
('username', 'Username'),
|
||||
]
|
||||
data_fields += super().get_data_fields()
|
||||
|
||||
return data_fields
|
||||
|
||||
def get_submission_class(self):
|
||||
return CustomFormSubmission
|
||||
|
||||
def process_form_submission(self, form):
|
||||
self.get_submission_class().objects.create(
|
||||
form_data=json.dumps(form.cleaned_data, cls=DjangoJSONEncoder),
|
||||
page=self, user=form.user
|
||||
)
|
||||
|
||||
|
||||
class CustomFormSubmission(AbstractFormSubmission):
|
||||
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
|
||||
|
||||
def get_data(self):
|
||||
form_data = super().get_data()
|
||||
form_data.update({
|
||||
'username': self.user.username,
|
||||
})
|
||||
|
||||
return form_data
|
||||
|
||||
|
||||
Note that this code also changes the submissions list view.
|
||||
|
||||
Check that a submission already exists for a user
|
||||
-------------------------------------------------
|
||||
|
||||
If you want to prevent users from filling in a form more than once,
|
||||
you need to override the ``serve`` method in your page model.
|
||||
|
||||
Example:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
import json
|
||||
|
||||
from django.conf import settings
|
||||
from django.core.serializers.json import DjangoJSONEncoder
|
||||
from django.db import models
|
||||
from django.shortcuts import render
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.admin.edit_handlers import (
|
||||
FieldPanel, FieldRowPanel,
|
||||
InlinePanel, MultiFieldPanel
|
||||
)
|
||||
from wagtail.core.fields import RichTextField
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField, AbstractFormSubmission
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname="full"),
|
||||
InlinePanel('form_fields', label="Form fields"),
|
||||
FieldPanel('thank_you_text', classname="full"),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname="col6"),
|
||||
FieldPanel('to_address', classname="col6"),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], "Email"),
|
||||
]
|
||||
|
||||
def serve(self, request, *args, **kwargs):
|
||||
if self.get_submission_class().objects.filter(page=self, user__pk=request.user.pk).exists():
|
||||
return render(
|
||||
request,
|
||||
self.template,
|
||||
self.get_context(request)
|
||||
)
|
||||
|
||||
return super().serve(request, *args, **kwargs)
|
||||
|
||||
def get_submission_class(self):
|
||||
return CustomFormSubmission
|
||||
|
||||
def process_form_submission(self, form):
|
||||
self.get_submission_class().objects.create(
|
||||
form_data=json.dumps(form.cleaned_data, cls=DjangoJSONEncoder),
|
||||
page=self, user=form.user
|
||||
)
|
||||
|
||||
|
||||
class CustomFormSubmission(AbstractFormSubmission):
|
||||
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
|
||||
|
||||
class Meta:
|
||||
unique_together = ('page', 'user')
|
||||
|
||||
|
||||
Your template should look like this:
|
||||
|
||||
.. code-block:: django
|
||||
|
||||
{% load wagtailcore_tags %}
|
||||
<html>
|
||||
<head>
|
||||
<title>{{ page.title }}</title>
|
||||
</head>
|
||||
<body>
|
||||
<h1>{{ page.title }}</h1>
|
||||
|
||||
{% if user.is_authenticated and user.is_active or request.is_preview %}
|
||||
{% if form %}
|
||||
<div>{{ page.intro|richtext }}</div>
|
||||
<form action="{% pageurl page %}" method="POST">
|
||||
{% csrf_token %}
|
||||
{{ form.as_p }}
|
||||
<input type="submit">
|
||||
</form>
|
||||
{% else %}
|
||||
<div>You can fill in the from only one time.</div>
|
||||
{% endif %}
|
||||
{% else %}
|
||||
<div>To fill in the form, you must to log in.</div>
|
||||
{% endif %}
|
||||
</body>
|
||||
</html>
|
||||
|
||||
|
||||
Multi-step form
|
||||
---------------
|
||||
|
||||
The following example shows how to create a multi-step form.
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from django.core.paginator import Paginator, PageNotAnInteger, EmptyPage
|
||||
from django.shortcuts import render
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.admin.edit_handlers import (
|
||||
FieldPanel, FieldRowPanel,
|
||||
InlinePanel, MultiFieldPanel
|
||||
)
|
||||
from wagtail.core.fields import RichTextField
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname="full"),
|
||||
InlinePanel('form_fields', label="Form fields"),
|
||||
FieldPanel('thank_you_text', classname="full"),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname="col6"),
|
||||
FieldPanel('to_address', classname="col6"),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], "Email"),
|
||||
]
|
||||
|
||||
def get_form_class_for_step(self, step):
|
||||
return self.form_builder(step.object_list).get_form_class()
|
||||
|
||||
def serve(self, request, *args, **kwargs):
|
||||
"""
|
||||
Implements a simple multi-step form.
|
||||
|
||||
Stores each step into a session.
|
||||
When the last step was submitted correctly, saves whole form into a DB.
|
||||
"""
|
||||
|
||||
session_key_data = 'form_data-%s' % self.pk
|
||||
is_last_step = False
|
||||
step_number = request.GET.get('p', 1)
|
||||
|
||||
paginator = Paginator(self.get_form_fields(), per_page=1)
|
||||
try:
|
||||
step = paginator.page(step_number)
|
||||
except PageNotAnInteger:
|
||||
step = paginator.page(1)
|
||||
except EmptyPage:
|
||||
step = paginator.page(paginator.num_pages)
|
||||
is_last_step = True
|
||||
|
||||
if request.method == 'POST':
|
||||
# The first step will be submitted with step_number == 2,
|
||||
# so we need to get a form from previous step
|
||||
# Edge case - submission of the last step
|
||||
prev_step = step if is_last_step else paginator.page(step.previous_page_number())
|
||||
|
||||
# Create a form only for submitted step
|
||||
prev_form_class = self.get_form_class_for_step(prev_step)
|
||||
prev_form = prev_form_class(request.POST, page=self, user=request.user)
|
||||
if prev_form.is_valid():
|
||||
# If data for step is valid, update the session
|
||||
form_data = request.session.get(session_key_data, {})
|
||||
form_data.update(prev_form.cleaned_data)
|
||||
request.session[session_key_data] = form_data
|
||||
|
||||
if prev_step.has_next():
|
||||
# Create a new form for a following step, if the following step is present
|
||||
form_class = self.get_form_class_for_step(step)
|
||||
form = form_class(page=self, user=request.user)
|
||||
else:
|
||||
# If there is no next step, create form for all fields
|
||||
form = self.get_form(
|
||||
request.session[session_key_data],
|
||||
page=self, user=request.user
|
||||
)
|
||||
|
||||
if form.is_valid():
|
||||
# Perform validation again for whole form.
|
||||
# After successful validation, save data into DB,
|
||||
# and remove from the session.
|
||||
form_submission = self.process_form_submission(form)
|
||||
del request.session[session_key_data]
|
||||
# render the landing page
|
||||
return self.render_landing_page(request, form_submission, *args, **kwargs)
|
||||
else:
|
||||
# If data for step is invalid
|
||||
# we will need to display form again with errors,
|
||||
# so restore previous state.
|
||||
form = prev_form
|
||||
step = prev_step
|
||||
else:
|
||||
# Create empty form for non-POST requests
|
||||
form_class = self.get_form_class_for_step(step)
|
||||
form = form_class(page=self, user=request.user)
|
||||
|
||||
context = self.get_context(request)
|
||||
context['form'] = form
|
||||
context['fields_step'] = step
|
||||
return render(
|
||||
request,
|
||||
self.template,
|
||||
context
|
||||
)
|
||||
|
||||
|
||||
|
||||
Your template for this form page should look like this:
|
||||
|
||||
.. code-block:: django
|
||||
|
||||
{% load wagtailcore_tags %}
|
||||
<html>
|
||||
<head>
|
||||
<title>{{ page.title }}</title>
|
||||
</head>
|
||||
<body>
|
||||
<h1>{{ page.title }}</h1>
|
||||
|
||||
<div>{{ page.intro|richtext }}</div>
|
||||
<form action="{% pageurl page %}?p={{ fields_step.number|add:"1" }}" method="POST">
|
||||
{% csrf_token %}
|
||||
{{ form.as_p }}
|
||||
<input type="submit">
|
||||
</form>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
|
||||
Note that the example shown before allows the user to return to a previous step,
|
||||
or to open a second step without submitting the first step.
|
||||
Depending on your requirements, you may need to add extra checks.
|
||||
|
||||
Show results
|
||||
------------
|
||||
|
||||
If you are implementing polls or surveys, you may want to show results after submission.
|
||||
The following example demonstrates how to do this.
|
||||
|
||||
First, you need to collect results as shown below:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.admin.edit_handlers import (
|
||||
FieldPanel, FieldRowPanel,
|
||||
InlinePanel, MultiFieldPanel
|
||||
)
|
||||
from wagtail.core.fields import RichTextField
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname="full"),
|
||||
InlinePanel('form_fields', label="Form fields"),
|
||||
FieldPanel('thank_you_text', classname="full"),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname="col6"),
|
||||
FieldPanel('to_address', classname="col6"),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], "Email"),
|
||||
]
|
||||
|
||||
def get_context(self, request, *args, **kwargs):
|
||||
context = super().get_context(request, *args, **kwargs)
|
||||
|
||||
# If you need to show results only on landing page,
|
||||
# you may need check request.method
|
||||
|
||||
results = dict()
|
||||
# Get information about form fields
|
||||
data_fields = [
|
||||
(field.clean_name, field.label)
|
||||
for field in self.get_form_fields()
|
||||
]
|
||||
|
||||
# Get all submissions for current page
|
||||
submissions = self.get_submission_class().objects.filter(page=self)
|
||||
for submission in submissions:
|
||||
data = submission.get_data()
|
||||
|
||||
# Count results for each question
|
||||
for name, label in data_fields:
|
||||
answer = data.get(name)
|
||||
if answer is None:
|
||||
# Something wrong with data.
|
||||
# Probably you have changed questions
|
||||
# and now we are receiving answers for old questions.
|
||||
# Just skip them.
|
||||
continue
|
||||
|
||||
if type(answer) is list:
|
||||
# Answer is a list if the field type is 'Checkboxes'
|
||||
answer = u', '.join(answer)
|
||||
|
||||
question_stats = results.get(label, {})
|
||||
question_stats[answer] = question_stats.get(answer, 0) + 1
|
||||
results[label] = question_stats
|
||||
|
||||
context.update({
|
||||
'results': results,
|
||||
})
|
||||
return context
|
||||
|
||||
|
||||
Next, you need to transform your template to display the results:
|
||||
|
||||
.. code-block:: django
|
||||
|
||||
{% load wagtailcore_tags %}
|
||||
<html>
|
||||
<head>
|
||||
<title>{{ page.title }}</title>
|
||||
</head>
|
||||
<body>
|
||||
<h1>{{ page.title }}</h1>
|
||||
|
||||
<h2>Results</h2>
|
||||
{% for question, answers in results.items %}
|
||||
<h3>{{ question }}</h3>
|
||||
{% for answer, count in answers.items %}
|
||||
<div>{{ answer }}: {{ count }}</div>
|
||||
{% endfor %}
|
||||
{% endfor %}
|
||||
|
||||
<div>{{ page.intro|richtext }}</div>
|
||||
<form action="{% pageurl page %}" method="POST">
|
||||
{% csrf_token %}
|
||||
{{ form.as_p }}
|
||||
<input type="submit">
|
||||
</form>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
|
||||
You can also show the results on the landing page.
|
||||
|
||||
Custom landing page redirect
|
||||
----------------------------
|
||||
|
||||
You can override the ``render_landing_page`` method on your `FormPage` to change what is rendered when a form submits.
|
||||
|
||||
In this example below we have added a `thank_you_page` field that enables custom redirects after a form submits to the selected page.
|
||||
|
||||
When overriding the ``render_landing_page`` method, we check if there is a linked `thank_you_page` and then redirect to it if it exists.
|
||||
|
||||
Finally, we add a URL param of `id` based on the ``form_submission`` if it exists.
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from django.shortcuts import redirect
|
||||
from wagtail.admin.edit_handlers import FieldPanel, FieldRowPanel, InlinePanel, MultiFieldPanel
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
|
||||
# intro, thank_you_text, ...
|
||||
|
||||
thank_you_page = models.ForeignKey(
|
||||
'wagtailcore.Page',
|
||||
null=True,
|
||||
blank=True,
|
||||
on_delete=models.SET_NULL,
|
||||
related_name='+',
|
||||
)
|
||||
|
||||
def render_landing_page(self, request, form_submission=None, *args, **kwargs):
|
||||
if self.thank_you_page:
|
||||
url = self.thank_you_page.url
|
||||
# if a form_submission instance is available, append the id to URL
|
||||
# when previewing landing page, there will not be a form_submission instance
|
||||
if form_submission:
|
||||
url += '?id=%s' % form_submission.id
|
||||
return redirect(url, permanent=False)
|
||||
# if no thank_you_page is set, render default landing page
|
||||
return super().render_landing_page(request, form_submission, *args, **kwargs)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname='full'),
|
||||
InlinePanel('form_fields'),
|
||||
FieldPanel('thank_you_text', classname='full'),
|
||||
FieldPanel('thank_you_page'),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname='col6'),
|
||||
FieldPanel('to_address', classname='col6'),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], 'Email'),
|
||||
]
|
||||
|
||||
Customise form submissions listing in Wagtail Admin
|
||||
---------------------------------------------------
|
||||
|
||||
The Admin listing of form submissions can be customised by setting the attribute ``submissions_list_view_class`` on your FormPage model.
|
||||
|
||||
The list view class must be a subclass of ``SubmissionsListView`` from ``wagtail.contrib.forms.views``, which is a child class of Django's class based :class:`~django.views.generic.list.ListView`.
|
||||
|
||||
Example:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
|
||||
from wagtail.contrib.forms.views import SubmissionsListView
|
||||
|
||||
|
||||
class CustomSubmissionsListView(SubmissionsListView):
|
||||
paginate_by = 50 # show more submissions per page, default is 20
|
||||
ordering = ('submit_time',) # order submissions by oldest first, normally newest first
|
||||
ordering_csv = ('-submit_time',) # order csv export by newest first, normally oldest first
|
||||
|
||||
# override the method to generate csv filename
|
||||
def get_csv_filename(self):
|
||||
""" Returns the filename for CSV file with page slug at start"""
|
||||
filename = super().get_csv_filename()
|
||||
return self.form_page.slug + '-' + filename
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
"""Form Page with customised submissions listing view"""
|
||||
|
||||
# set custom view class as class attribute
|
||||
submissions_list_view_class = CustomSubmissionsListView
|
||||
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
# content_panels = ...
|
||||
|
||||
Adding a custom field type
|
||||
--------------------------
|
||||
|
||||
First, make the new field type available in the page editor by changing your ``FormField`` model.
|
||||
|
||||
* Create a new set of choices which includes the original ``FORM_FIELD_CHOICES`` along with new field types you want to make available.
|
||||
* Each choice must contain a unique key and a human readable name of the field, e.g. ``('slug', 'URL Slug')``
|
||||
* Override the ``field_type`` field in your ``FormField`` model with ``choices`` attribute using these choices.
|
||||
* You will need to run ``./manage.py makemigrations`` and ``./manage.py migrate`` after this step.
|
||||
|
||||
|
||||
Then, create and use a new form builder class.
|
||||
|
||||
* Define a new form builder class that extends the ``FormBuilder`` class.
|
||||
* Add a method that will return a created Django form field for the new field type.
|
||||
* Its name must be in the format: ``create_<field_type_key>_field``, e.g. ``create_slug_field``
|
||||
* Override the ``form_builder`` attribute in your form page model to use your new form builder class.
|
||||
|
||||
Example:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from django import forms
|
||||
from django.db import models
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.contrib.forms.forms import FormBuilder
|
||||
from wagtail.contrib.forms.models import (
|
||||
AbstractEmailForm, AbstractFormField, FORM_FIELD_CHOICES)
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
# extend the built in field type choices
|
||||
# our field type key will be 'ipaddress'
|
||||
CHOICES = FORM_FIELD_CHOICES + (('ipaddress', 'IP Address'),)
|
||||
|
||||
page = ParentalKey('FormPage', related_name='form_fields')
|
||||
# override the field_type field with extended choices
|
||||
field_type = models.CharField(
|
||||
verbose_name='field type',
|
||||
max_length=16,
|
||||
# use the choices tuple defined above
|
||||
choices=CHOICES
|
||||
)
|
||||
|
||||
|
||||
class CustomFormBuilder(FormBuilder):
|
||||
# create a function that returns an instanced Django form field
|
||||
# function name must match create_<field_type_key>_field
|
||||
def create_ipaddress_field(self, field, options):
|
||||
# return `forms.GenericIPAddressField(**options)` not `forms.SlugField`
|
||||
# returns created a form field with the options passed in
|
||||
return forms.GenericIPAddressField(**options)
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
# intro, thank_you_text, edit_handlers, etc...
|
||||
|
||||
# use custom form builder defined above
|
||||
form_builder = CustomFormBuilder
|
||||
|
||||
|
||||
.. _form_builder_render_email:
|
||||
|
||||
Custom ``render_email`` method
|
||||
------------------------------
|
||||
|
||||
If you want to change the content of the email that is sent when a form submits you can override the ``render_email`` method.
|
||||
|
||||
|
||||
To do this, you need to:
|
||||
|
||||
* Ensure you have your form model defined that extends ``wagtail.contrib.forms.models.AbstractEmailForm``.
|
||||
* Override the ``render_email`` method in your page model.
|
||||
|
||||
Example:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from datetime import date
|
||||
# ... additional wagtail imports
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
# ... fields, content_panels, etc
|
||||
|
||||
def render_email(self, form):
|
||||
# Get the original content (string)
|
||||
email_content = super().render_email(form)
|
||||
|
||||
# Add a title (not part of original method)
|
||||
title = '{}: {}'.format('Form', self.title)
|
||||
|
||||
content = [title, '', email_content, '']
|
||||
|
||||
# Add a link to the form page
|
||||
content.append('{}: {}'.format('Submitted Via', self.full_url))
|
||||
|
||||
# Add the date the form was submitted
|
||||
submitted_date_str = date.today().strftime('%x')
|
||||
content.append('{}: {}'.format('Submitted on', submitted_date_str))
|
||||
|
||||
# Content is joined with a new line to separate each text line
|
||||
content = '\n'.join(content)
|
||||
|
||||
return content
|
||||
|
||||
|
||||
Custom ``send_mail`` method
|
||||
---------------------------
|
||||
|
||||
If you want to change the subject or some other part of how an email is sent when a form submits you can override the ``send_mail`` method.
|
||||
|
||||
|
||||
To do this, you need to:
|
||||
|
||||
* Ensure you have your form model defined that extends ``wagtail.contrib.forms.models.AbstractEmailForm``.
|
||||
* In your models.py file, import the ``wagtail.admin.mail.send_mail`` function.
|
||||
* Override the ``send_mail`` method in your page model.
|
||||
|
||||
|
||||
Example:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from datetime import date
|
||||
# ... additional wagtail imports
|
||||
from wagtail.admin.mail import send_mail
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
# ... fields, content_panels, etc
|
||||
|
||||
def send_mail(self, form):
|
||||
# `self` is the FormPage, `form` is the form's POST data on submit
|
||||
|
||||
# Email addresses are parsed from the FormPage's addresses field
|
||||
addresses = [x.strip() for x in self.to_address.split(',')]
|
||||
|
||||
# Subject can be adjusted (adding submitted date), be sure to include the form's defined subject field
|
||||
submitted_date_str = date.today().strftime('%x')
|
||||
subject = f"{self.subject} - {submitted_date_str}"
|
||||
|
||||
send_mail(subject, self.render_email(form), addresses, self.from_address,)
|
||||
|
||||
|
|
@ -0,0 +1,126 @@
|
|||
# Form builder
|
||||
|
||||
```eval_rst
|
||||
.. _form_builder:
|
||||
```
|
||||
|
||||
The `wagtailforms` module allows you to set up single-page forms, such as a 'Contact us' form, as pages of a Wagtail site. It provides a set of base models that site implementers can extend to create their own `FormPage` type with their own site-specific templates. Once a page type has been set up in this way, editors can build forms within the usual page editor, consisting of any number of fields. Form submissions are stored for later retrieval through a new 'Forms' section within the Wagtail admin interface; in addition, they can be optionally e-mailed to an address specified by the editor.
|
||||
|
||||
```eval_rst
|
||||
.. note::
|
||||
**wagtailforms is not a replacement for** :doc:`Django's form support <django:topics/forms/index>`. It is designed as a way for page authors to build general-purpose data collection forms without having to write code. If you intend to build a form that assigns specific behaviour to individual fields (such as creating user accounts), or needs a custom HTML layout, you will almost certainly be better served by a standard Django form, where the fields are fixed in code rather than defined on-the-fly by a page author. See the `wagtail-form-example project <https://github.com/gasman/wagtail-form-example/commits/master>`_ for an example of integrating a Django form into a Wagtail page.
|
||||
```
|
||||
|
||||
```eval_rst
|
||||
.. _form_builder_usage:
|
||||
```
|
||||
|
||||
## Usage
|
||||
|
||||
Add `wagtail.contrib.forms` to your `INSTALLED_APPS`:
|
||||
|
||||
```python
|
||||
INSTALLED_APPS = [
|
||||
...
|
||||
'wagtail.contrib.forms',
|
||||
]
|
||||
```
|
||||
|
||||
Within the `models.py` of one of your apps, create a model that extends `wagtail.contrib.forms.models.AbstractEmailForm`:
|
||||
|
||||
|
||||
```python
|
||||
from django.db import models
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.admin.edit_handlers import (
|
||||
FieldPanel, FieldRowPanel,
|
||||
InlinePanel, MultiFieldPanel
|
||||
)
|
||||
from wagtail.core.fields import RichTextField
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname="full"),
|
||||
InlinePanel('form_fields', label="Form fields"),
|
||||
FieldPanel('thank_you_text', classname="full"),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname="col6"),
|
||||
FieldPanel('to_address', classname="col6"),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], "Email"),
|
||||
]
|
||||
```
|
||||
|
||||
`AbstractEmailForm` defines the fields `to_address`, `from_address` and `subject`, and expects `form_fields` to be defined. Any additional fields are treated as ordinary page content - note that `FormPage` is responsible for serving both the form page itself and the landing page after submission, so the model definition should include all necessary content fields for both of those views.
|
||||
|
||||
Date and datetime values in a form response will be formatted with the [SHORT_DATE_FORMAT](https://docs.djangoproject.com/en/3.0/ref/settings/#short-date-format) and [SHORT_DATETIME_FORMAT](https://docs.djangoproject.com/en/3.0/ref/settings/#short-datetime-format) respectively.
|
||||
```eval_rst
|
||||
(see :ref:`form_builder_render_email` for how to customise the email content).
|
||||
```
|
||||
|
||||
If you do not want your form page type to offer form-to-email functionality, you can inherit from AbstractForm instead of `AbstractEmailForm`, and omit the `to_address`, `from_address` and `subject` fields from the `content_panels` definition.
|
||||
|
||||
You now need to create two templates named `form_page.html` and `form_page_landing.html` (where `form_page` is the underscore-formatted version of the class name). `form_page.html` differs from a standard Wagtail template in that it is passed a variable `form`, containing a Django `Form` object, in addition to the usual `page` variable. A very basic template for the form would thus be:
|
||||
|
||||
```html+django
|
||||
{% load wagtailcore_tags %}
|
||||
<html>
|
||||
<head>
|
||||
<title>{{ page.title }}</title>
|
||||
</head>
|
||||
<body>
|
||||
<h1>{{ page.title }}</h1>
|
||||
{{ page.intro|richtext }}
|
||||
<form action="{% pageurl page %}" method="POST">
|
||||
{% csrf_token %}
|
||||
{{ form.as_p }}
|
||||
<input type="submit">
|
||||
</form>
|
||||
</body>
|
||||
</html>
|
||||
```
|
||||
|
||||
`form_page_landing.html` is a standard Wagtail template, displayed after the user makes a successful form submission, `form_submission` will be available in this template. If you want to dynamically override the landing page template, you can do so with the `get_landing_page_template` method (in the same way that you would with `get_template`).
|
||||
|
||||
|
||||
```eval_rst
|
||||
.. _wagtailforms_formsubmissionpanel:
|
||||
```
|
||||
|
||||
## Displaying form submission information
|
||||
|
||||
`FormSubmissionsPanel` can be added to your page's panel definitions to display the number of form submissions and the time of the most recent submission, along with a quick link to access the full submission data:
|
||||
|
||||
```python
|
||||
from wagtail.contrib.forms.edit_handlers import FormSubmissionsPanel
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
# ...
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FormSubmissionsPanel(),
|
||||
FieldPanel('intro', classname="full"),
|
||||
# ...
|
||||
]
|
||||
```
|
||||
|
||||
|
||||
## Index
|
||||
|
||||
```eval_rst
|
||||
.. toctree::
|
||||
:maxdepth: 1
|
||||
|
||||
customisation
|
||||
```
|
||||
|
|
@ -1,118 +0,0 @@
|
|||
|
||||
.. _form_builder:
|
||||
|
||||
Form builder
|
||||
============
|
||||
|
||||
The ``wagtailforms`` module allows you to set up single-page forms, such as a 'Contact us' form, as pages of a Wagtail site. It provides a set of base models that site implementers can extend to create their own ``FormPage`` type with their own site-specific templates. Once a page type has been set up in this way, editors can build forms within the usual page editor, consisting of any number of fields. Form submissions are stored for later retrieval through a new 'Forms' section within the Wagtail admin interface; in addition, they can be optionally e-mailed to an address specified by the editor.
|
||||
|
||||
.. note::
|
||||
**wagtailforms is not a replacement for** :doc:`Django's form support <django:topics/forms/index>`. It is designed as a way for page authors to build general-purpose data collection forms without having to write code. If you intend to build a form that assigns specific behaviour to individual fields (such as creating user accounts), or needs a custom HTML layout, you will almost certainly be better served by a standard Django form, where the fields are fixed in code rather than defined on-the-fly by a page author. See the `wagtail-form-example project <https://github.com/gasman/wagtail-form-example/commits/master>`_ for an example of integrating a Django form into a Wagtail page.
|
||||
|
||||
.. _form_builder_usage:
|
||||
|
||||
Usage
|
||||
~~~~~
|
||||
|
||||
Add ``wagtail.contrib.forms`` to your ``INSTALLED_APPS``:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
INSTALLED_APPS = [
|
||||
...
|
||||
'wagtail.contrib.forms',
|
||||
]
|
||||
|
||||
Within the ``models.py`` of one of your apps, create a model that extends ``wagtail.contrib.forms.models.AbstractEmailForm``:
|
||||
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from django.db import models
|
||||
from modelcluster.fields import ParentalKey
|
||||
from wagtail.admin.edit_handlers import (
|
||||
FieldPanel, FieldRowPanel,
|
||||
InlinePanel, MultiFieldPanel
|
||||
)
|
||||
from wagtail.core.fields import RichTextField
|
||||
from wagtail.contrib.forms.models import AbstractEmailForm, AbstractFormField
|
||||
|
||||
|
||||
class FormField(AbstractFormField):
|
||||
page = ParentalKey('FormPage', on_delete=models.CASCADE, related_name='form_fields')
|
||||
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
intro = RichTextField(blank=True)
|
||||
thank_you_text = RichTextField(blank=True)
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FieldPanel('intro', classname="full"),
|
||||
InlinePanel('form_fields', label="Form fields"),
|
||||
FieldPanel('thank_you_text', classname="full"),
|
||||
MultiFieldPanel([
|
||||
FieldRowPanel([
|
||||
FieldPanel('from_address', classname="col6"),
|
||||
FieldPanel('to_address', classname="col6"),
|
||||
]),
|
||||
FieldPanel('subject'),
|
||||
], "Email"),
|
||||
]
|
||||
|
||||
``AbstractEmailForm`` defines the fields ``to_address``, ``from_address`` and ``subject``, and expects ``form_fields`` to be defined. Any additional fields are treated as ordinary page content - note that ``FormPage`` is responsible for serving both the form page itself and the landing page after submission, so the model definition should include all necessary content fields for both of those views.
|
||||
|
||||
Date and datetime values in a form response will be formatted with the `SHORT_DATE_FORMAT <https://docs.djangoproject.com/en/3.0/ref/settings/#short-date-format>`_ and `SHORT_DATETIME_FORMAT <https://docs.djangoproject.com/en/3.0/ref/settings/#short-datetime-format>`_ respectively. (see :ref:`form_builder_render_email` for how to customise the email content).
|
||||
|
||||
If you do not want your form page type to offer form-to-email functionality, you can inherit from AbstractForm instead of ``AbstractEmailForm``, and omit the ``to_address``, ``from_address`` and ``subject`` fields from the ``content_panels`` definition.
|
||||
|
||||
You now need to create two templates named ``form_page.html`` and ``form_page_landing.html`` (where ``form_page`` is the underscore-formatted version of the class name). ``form_page.html`` differs from a standard Wagtail template in that it is passed a variable ``form``, containing a Django ``Form`` object, in addition to the usual ``page`` variable. A very basic template for the form would thus be:
|
||||
|
||||
.. code-block:: html+django
|
||||
|
||||
{% load wagtailcore_tags %}
|
||||
<html>
|
||||
<head>
|
||||
<title>{{ page.title }}</title>
|
||||
</head>
|
||||
<body>
|
||||
<h1>{{ page.title }}</h1>
|
||||
{{ page.intro|richtext }}
|
||||
<form action="{% pageurl page %}" method="POST">
|
||||
{% csrf_token %}
|
||||
{{ form.as_p }}
|
||||
<input type="submit">
|
||||
</form>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
``form_page_landing.html`` is a standard Wagtail template, displayed after the user makes a successful form submission, `form_submission` will available in this template. If you want to dynamically override the landing page template, you can do so with the ``get_landing_page_template`` method (in the same way that you would with ``get_template``).
|
||||
|
||||
|
||||
.. _wagtailforms_formsubmissionpanel:
|
||||
|
||||
Displaying form submission information
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
``FormSubmissionsPanel`` can be added to your page's panel definitions to display the number of form submissions and the time of the most recent submission, along with a quick link to access the full submission data:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
from wagtail.contrib.forms.edit_handlers import FormSubmissionsPanel
|
||||
|
||||
class FormPage(AbstractEmailForm):
|
||||
# ...
|
||||
|
||||
content_panels = AbstractEmailForm.content_panels + [
|
||||
FormSubmissionsPanel(),
|
||||
FieldPanel('intro', classname="full"),
|
||||
# ...
|
||||
]
|
||||
|
||||
|
||||
Index
|
||||
~~~~~
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 1
|
||||
|
||||
customisation
|
||||
Ładowanie…
Reference in New Issue