Edited forms/index.txt changes from [9030]
git-svn-id: http://code.djangoproject.com/svn/django/trunk@9040 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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@ -45,7 +45,7 @@ The library deals with these concepts:
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Form Media
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The CSS and JavaScript resources that are required to render a form.
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The library is decoupled from the other Django components, such as the database
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layer, views and templates. It relies only on Django settings, a couple of
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``django.utils`` helper functions and Django's internationalization hooks (but
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@ -99,7 +99,7 @@ The standard pattern for processing a form in a view looks like this:
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return HttpResponseRedirect('/thanks/') # Redirect after POST
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else:
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form = ContactForm() # An unbound form
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return render_to_response('contact.html', {
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'form': form,
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})
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@ -148,11 +148,11 @@ Extending the above example, here's how the form data could be processed:
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message = form.cleaned_data['message']
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sender = form.cleaned_data['sender']
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cc_myself = form.cleaned_data['cc_myself']
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recipients = ['info@example.com']
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if cc_myself:
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recipients.append(sender)
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from django.core.mail import send_mail
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send_mail(subject, message, sender, recipients)
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return HttpResponseRedirect('/thanks/') # Redirect after POST
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@ -188,7 +188,7 @@ wrapped in a paragraph. Here's the output for our example template::
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<input type="checkbox" name="cc_myself" id="id_cc_myself" /></p>
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<input type="submit" value="Submit" />
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</form>
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Note that each form field has an ID attribute set to ``id_<field-name>``, which
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is referenced by the accompanying label tag. This is important for ensuring
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forms are accessible to assistive technology such as screen reader software. You
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@ -253,9 +253,9 @@ over them::
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Looping over the form's fields
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------------------------------
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If you are using the similar HTML for each of your form fields, you can
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If you're the same HTML for each of your form fields, you can
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reduce duplicate code by looping through each field in turn using
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``{% for field in form %}``::
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a ``{% for %}`` loop::
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<form action="/contact/" method="POST">
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{% for field in form %}
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@ -268,42 +268,44 @@ reduce duplicate code by looping through each field in turn using
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</form>
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Within this loop, ``{{ field }}`` is an instance of :class:`BoundField`.
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``BoundField`` also has the following attributes which can be useful in your
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``BoundField`` also has the following attributes, which can be useful in your
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templates:
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``{{ field.label }}``
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The label of the field, e.g. ``Name``.
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The label of the field, e.g. ``E-mail address``.
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``{{ field.label_tag }}``
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The field's label wrapped in the appropriate HTML ``<label>`` tag,
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e.g. ``<label for="id_name">Name</label>``
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The field's label wrapped in the appropriate HTML ``<label>`` tag,
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e.g. ``<label for="id_email">E-mail address</label>``
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``{{ field.html_name }}``
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The name of the field that will be used in the input element's name
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field; this takes the form prefix in to account if it has been set.
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The name of the field that will be used in the input element's name
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field. This takes the form prefix into account, if it has been set.
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``{{ field.help_text }}``
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Any help text that has been associated with the field.
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``{{ field.errors }}``
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Outputs a ``<ul class="errorlist">`` containing any validation errors
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corresponding to this field. You can customize the presentation of
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the errors with a ``{% for error in field.errors %}`` loop.
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corresponding to this field. You can customize the presentation of
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the errors with a ``{% for error in field.errors %}`` loop. In this
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case, each object in the loop is a simple string containing the error
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message.
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Reusable form templates
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-----------------------
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If your site uses the same rendering logic for forms in multiple places you
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can create a template that contains just the form loop and use the
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If your site uses the same rendering logic for forms in multiple places you
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can create a template that contains just the form loop and use the
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:ttag:`include` tag to reuse it in your other templates::
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<form action="/contact/" method="POST">
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{% include "form_snippet.html" %}
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<p><input type="submit" value="Send message" /></p>
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</form>
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# In form_snippet.html:
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{% for field in form %}
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<div class="fieldWrapper">
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{{ field.errors }}
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@ -311,7 +313,7 @@ can create a template that contains just the form loop and use the
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</div>
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{% endfor %}
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If the form object passed to a template has a different name within the
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If the form object passed to a template has a different name within the
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context you can alias it using the :ttag:`with` tag::
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<form action="/comments/add/" method="POST">
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@ -321,7 +323,7 @@ context you can alias it using the :ttag:`with` tag::
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<p><input type="submit" value="Submit comment" /></p>
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</form>
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You can also create a custom :ref:`inclusion
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You can also create a custom :ref:`inclusion
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tag<howto-custom-template-tags-inclusion-tags>`.
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Further topics
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@ -335,7 +337,7 @@ This covers the basics, but forms can do a whole lot more:
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modelforms
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formsets
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media
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.. seealso::
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The :ref:`form API reference <ref-forms-index>`.
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