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author | Nishanth Amuluru | 2011-01-08 11:20:57 +0530 |
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committer | Nishanth Amuluru | 2011-01-08 11:20:57 +0530 |
commit | 65411d01d448ff0cd4abd14eee14cf60b5f8fc20 (patch) | |
tree | b4c404363c4c63a61d6e2f8bd26c5b057c1fb09d /parts/django/docs/ref/contrib/formtools/form-preview.txt | |
parent | 2e35094d43b4cc6974172e1febf76abb50f086ec (diff) | |
download | pytask-65411d01d448ff0cd4abd14eee14cf60b5f8fc20.tar.gz pytask-65411d01d448ff0cd4abd14eee14cf60b5f8fc20.tar.bz2 pytask-65411d01d448ff0cd4abd14eee14cf60b5f8fc20.zip |
Added buildout stuff and made changes accordingly
--HG--
rename : profile/management/__init__.py => eggs/djangorecipe-0.20-py2.6.egg/EGG-INFO/dependency_links.txt
rename : profile/management/__init__.py => eggs/djangorecipe-0.20-py2.6.egg/EGG-INFO/not-zip-safe
rename : profile/management/__init__.py => eggs/infrae.subversion-1.4.5-py2.6.egg/EGG-INFO/dependency_links.txt
rename : profile/management/__init__.py => eggs/infrae.subversion-1.4.5-py2.6.egg/EGG-INFO/not-zip-safe
rename : profile/management/__init__.py => eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/EGG-INFO/dependency_links.txt
rename : profile/management/__init__.py => eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/EGG-INFO/not-zip-safe
rename : profile/management/__init__.py => eggs/py-1.4.0-py2.6.egg/EGG-INFO/dependency_links.txt
rename : profile/management/__init__.py => eggs/py-1.4.0-py2.6.egg/EGG-INFO/not-zip-safe
rename : profile/management/__init__.py => eggs/zc.buildout-1.5.2-py2.6.egg/EGG-INFO/dependency_links.txt
rename : profile/management/__init__.py => eggs/zc.buildout-1.5.2-py2.6.egg/EGG-INFO/not-zip-safe
rename : profile/management/__init__.py => eggs/zc.recipe.egg-1.3.2-py2.6.egg/EGG-INFO/dependency_links.txt
rename : profile/management/__init__.py => eggs/zc.recipe.egg-1.3.2-py2.6.egg/EGG-INFO/not-zip-safe
rename : profile/management/__init__.py => parts/django/Django.egg-info/dependency_links.txt
rename : taskapp/models.py => parts/django/django/conf/app_template/models.py
rename : taskapp/tests.py => parts/django/django/conf/app_template/tests.py
rename : taskapp/views.py => parts/django/django/conf/app_template/views.py
rename : taskapp/views.py => parts/django/django/contrib/gis/tests/geo3d/views.py
rename : profile/management/__init__.py => parts/django/tests/modeltests/delete/__init__.py
rename : profile/management/__init__.py => parts/django/tests/modeltests/files/__init__.py
rename : profile/management/__init__.py => parts/django/tests/modeltests/invalid_models/__init__.py
rename : profile/management/__init__.py => parts/django/tests/modeltests/m2m_signals/__init__.py
rename : profile/management/__init__.py => parts/django/tests/modeltests/model_package/__init__.py
rename : profile/management/__init__.py => parts/django/tests/regressiontests/bash_completion/__init__.py
rename : profile/management/__init__.py => parts/django/tests/regressiontests/bash_completion/management/__init__.py
rename : profile/management/__init__.py => parts/django/tests/regressiontests/bash_completion/management/commands/__init__.py
rename : profile/management/__init__.py => parts/django/tests/regressiontests/bash_completion/models.py
rename : profile/management/__init__.py => parts/django/tests/regressiontests/delete_regress/__init__.py
rename : profile/management/__init__.py => parts/django/tests/regressiontests/file_storage/__init__.py
rename : profile/management/__init__.py => parts/django/tests/regressiontests/max_lengths/__init__.py
rename : profile/forms.py => pytask/profile/forms.py
rename : profile/management/__init__.py => pytask/profile/management/__init__.py
rename : profile/management/commands/seed_db.py => pytask/profile/management/commands/seed_db.py
rename : profile/models.py => pytask/profile/models.py
rename : profile/templatetags/user_tags.py => pytask/profile/templatetags/user_tags.py
rename : taskapp/tests.py => pytask/profile/tests.py
rename : profile/urls.py => pytask/profile/urls.py
rename : profile/utils.py => pytask/profile/utils.py
rename : profile/views.py => pytask/profile/views.py
rename : static/css/base.css => pytask/static/css/base.css
rename : taskapp/tests.py => pytask/taskapp/tests.py
rename : taskapp/views.py => pytask/taskapp/views.py
rename : templates/base.html => pytask/templates/base.html
rename : templates/profile/browse_notifications.html => pytask/templates/profile/browse_notifications.html
rename : templates/profile/edit.html => pytask/templates/profile/edit.html
rename : templates/profile/view.html => pytask/templates/profile/view.html
rename : templates/profile/view_notification.html => pytask/templates/profile/view_notification.html
rename : templates/registration/activate.html => pytask/templates/registration/activate.html
rename : templates/registration/activation_email.txt => pytask/templates/registration/activation_email.txt
rename : templates/registration/activation_email_subject.txt => pytask/templates/registration/activation_email_subject.txt
rename : templates/registration/logged_out.html => pytask/templates/registration/logged_out.html
rename : templates/registration/login.html => pytask/templates/registration/login.html
rename : templates/registration/logout.html => pytask/templates/registration/logout.html
rename : templates/registration/password_change_done.html => pytask/templates/registration/password_change_done.html
rename : templates/registration/password_change_form.html => pytask/templates/registration/password_change_form.html
rename : templates/registration/password_reset_complete.html => pytask/templates/registration/password_reset_complete.html
rename : templates/registration/password_reset_confirm.html => pytask/templates/registration/password_reset_confirm.html
rename : templates/registration/password_reset_done.html => pytask/templates/registration/password_reset_done.html
rename : templates/registration/password_reset_email.html => pytask/templates/registration/password_reset_email.html
rename : templates/registration/password_reset_form.html => pytask/templates/registration/password_reset_form.html
rename : templates/registration/registration_complete.html => pytask/templates/registration/registration_complete.html
rename : templates/registration/registration_form.html => pytask/templates/registration/registration_form.html
rename : utils.py => pytask/utils.py
Diffstat (limited to 'parts/django/docs/ref/contrib/formtools/form-preview.txt')
-rw-r--r-- | parts/django/docs/ref/contrib/formtools/form-preview.txt | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/parts/django/docs/ref/contrib/formtools/form-preview.txt b/parts/django/docs/ref/contrib/formtools/form-preview.txt new file mode 100644 index 0000000..a2cbea7 --- /dev/null +++ b/parts/django/docs/ref/contrib/formtools/form-preview.txt @@ -0,0 +1,121 @@ +============ +Form preview +============ + +.. module:: django.contrib.formtools + :synopsis: Displays an HTML form, forces a preview, then does something + with the submission. + +Django comes with an optional "form preview" application that helps automate +the following workflow: + +"Display an HTML form, force a preview, then do something with the submission." + +To force a preview of a form submission, all you have to do is write a short +Python class. + +Overview +========= + +Given a :class:`django.forms.Form` subclass that you define, this +application takes care of the following workflow: + + 1. Displays the form as HTML on a Web page. + 2. Validates the form data when it's submitted via POST. + a. If it's valid, displays a preview page. + b. If it's not valid, redisplays the form with error messages. + 3. When the "confirmation" form is submitted from the preview page, calls + a hook that you define -- a + :meth:`~django.contrib.formtools.FormPreview.done()` method that gets + passed the valid data. + +The framework enforces the required preview by passing a shared-secret hash to +the preview page via hidden form fields. If somebody tweaks the form parameters +on the preview page, the form submission will fail the hash-comparison test. + +How to use ``FormPreview`` +========================== + + 1. Point Django at the default FormPreview templates. There are two ways to + do this: + + * Add ``'django.contrib.formtools'`` to your + :setting:`INSTALLED_APPS` setting. This will work if your + :setting:`TEMPLATE_LOADERS` setting includes the + ``app_directories`` template loader (which is the case by + default). See the :ref:`template loader docs <template-loaders>` + for more. + + * Otherwise, determine the full filesystem path to the + :file:`django/contrib/formtools/templates` directory, and add that + directory to your :setting:`TEMPLATE_DIRS` setting. + + 2. Create a :class:`~django.contrib.formtools.FormPreview` subclass that + overrides the :meth:`~django.contrib.formtools.FormPreview.done()` + method:: + + from django.contrib.formtools.preview import FormPreview + from myapp.models import SomeModel + + class SomeModelFormPreview(FormPreview): + + def done(self, request, cleaned_data): + # Do something with the cleaned_data, then redirect + # to a "success" page. + return HttpResponseRedirect('/form/success') + + This method takes an :class:`~django.http.HttpRequest` object and a + dictionary of the form data after it has been validated and cleaned. + It should return an :class:`~django.http.HttpResponseRedirect` that + is the end result of the form being submitted. + + 3. Change your URLconf to point to an instance of your + :class:`~django.contrib.formtools.FormPreview` subclass:: + + from myapp.preview import SomeModelFormPreview + from myapp.forms import SomeModelForm + from django import forms + + ...and add the following line to the appropriate model in your URLconf:: + + (r'^post/$', SomeModelFormPreview(SomeModelForm)), + + where ``SomeModelForm`` is a Form or ModelForm class for the model. + + 4. Run the Django server and visit :file:`/post/` in your browser. + +``FormPreview`` classes +======================= + +.. class:: FormPreview + +A :class:`~django.contrib.formtools.FormPreview` class is a simple Python class +that represents the preview workflow. +:class:`~django.contrib.formtools.FormPreview` classes must subclass +``django.contrib.formtools.preview.FormPreview`` and override the +:meth:`~django.contrib.formtools.FormPreview.done()` method. They can live +anywhere in your codebase. + +``FormPreview`` templates +========================= + +By default, the form is rendered via the template :file:`formtools/form.html`, +and the preview page is rendered via the template :file:`formtools/preview.html`. +These values can be overridden for a particular form preview by setting +:attr:`~django.contrib.formtools.FormPreview.preview_template` and +:attr:`~django.contrib.formtools.FormPreview.form_template` attributes on the +FormPreview subclass. See :file:`django/contrib/formtools/templates` for the +default templates. + +Advanced ``FormPreview`` methods +================================ + +.. versionadded:: 1.2 + +.. method:: FormPreview.process_preview + + Given a validated form, performs any extra processing before displaying the + preview page, and saves any extra data in context. + + By default, this method is empty. It is called after the form is validated, + but before the context is modified with hash information and rendered. |