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django-widgets-improved-1.5.0
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مشاهده بیشترتوضیحات
Tweak the form field rendering in templates, not in python-level form definitions.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | django-widgets-improved-1.5.0 |
| نام | django-widgets-improved |
| نسخه کتابخانه | 1.5.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Simon Hanna |
| ایمیل نویسنده | simhnna@gmail.com |
| آدرس صفحه اصلی | https://github.com/simhnna/django-widgets-improved |
| آدرس اینترنتی | https://pypi.org/project/django-widgets-improved/ |
| مجوز | MIT license |
# django-widgets-improved
[](https://travis-ci.org/simhnna/django-widgets-improved)
Tweak the form field rendering in templates, not in python-level
form definitions. Altering CSS classes and HTML attributes is supported.
That should be enough for designers to customize field presentation (using
CSS and unobtrusive javascript) without touching python code.
This project is a fork of the unmaintained [django-widget-tweaks](https://github.com/jazzband/django-widget-tweaks) repository.
It is a drop-in replacement. Just unintall django-widget-tweaks and install this instead.
## Installation
You can get Django Widget Tweaks by using pip::
$ pip install django-widgets-improved
To enable `widget_tweaks` in your project you need to add it to `INSTALLED_APPS` in your projects
`settings.py` file:
```
INSTALLED_APPS = [
...
'widget_tweaks',
...
]
```
## Usage
This app provides two sets of tools that may be used together or standalone:
1. a `render_field` template tag for customizing form fields by using an
HTML-like syntax.
2. several template filters for customizing form field HTML attributes and CSS
classes
The `render_field` tag should be easier to use and should make form field
customizations much easier for designers and front-end developers.
The template filters are more powerful than the `render_field` tag, but they
use a more complex and less HTML-like syntax.
### render_field
This is a template tag that can be used as an alternative to aforementioned
filters. This template tag renders a field using a syntax similar to plain
HTML attributes.
Example:
```
{% load widget_tweaks %}
<!-- change input type (e.g. to HTML5) -->
{% render_field form.search_query type="search" %}
<!-- add/change several attributes -->
{% render_field form.text rows="20" cols="20" title="Hello, world!" %}
<!-- append to an attribute -->
{% render_field form.title class+="css_class_1 css_class_2" %}
<!-- template variables can be used as attribute values -->
{% render_field form.text placeholder=form.text.label %}
```
For fields rendered with `{% render_field %}` tag it is possible
to set error class and required fields class by using
`WIDGET_ERROR_CLASS` and `WIDGET_REQUIRED_CLASS` template variables:
```
{% with WIDGET_ERROR_CLASS='my_error' WIDGET_REQUIRED_CLASS='my_required' %}
{% render_field form.field1 %}
{% render_field form.field2 %}
{% render_field form.field3 %}
{% endwith %}
```
You can be creative with these variables: e.g. a context processor could
set a default CSS error class on all fields rendered by
`{% render_field %}`.
### attr
Adds or replaces any single html atribute for the form field.
Examples:
```
{% load widget_tweaks %}
<!-- change input type (e.g. to HTML5) -->
{{ form.search_query|attr:"type:search" }}
<!-- add/change several attributes -->
{{ form.text|attr:"rows:20"|attr:"cols:20"|attr:"title:Hello, world!" }}
<!-- attributes without parameters -->
{{ form.search_query|attr:"autofocus" }}
```
### add_class
Adds CSS class to field element. Split classes by whitespace in order to add
several classes at once.
Example:
```
{% load widget_tweaks %}
<!-- add 2 extra css classes to field element -->
{{ form.title|add_class:"css_class_1 css_class_2" }}
```
### set_data
Sets HTML5 data attribute ( http://ejohn.org/blog/html-5-data-attributes/ ).
Useful for unobtrusive javascript. It is just a shortcut for 'attr' filter
that prepends attribute names with 'data-' string.
Example:
```
{% load widget_tweaks %}
<!-- data-filters:"OverText" will be added to input field -->
{{ form.title|set_data:"filters:OverText" }}
```
### append_attr
Appends atribute value with extra data.
Example:
```
{% load widget_tweaks %}
<!-- add 2 extra css classes to field element -->
{{ form.title|append_attr:"class:css_class_1 css_class_2" }}
```
'add_class' filter is just a shortcut for 'append_attr' filter that
adds values to the 'class' attribute.
### add_error_class
The same as 'add_class' but adds css class only if validation failed for
the field (field.errors is not empty).
Example:
```
{% load widget_tweaks %}
<!-- add 'error-border' css class on field error -->
{{ form.title|add_error_class:"error-border" }}
```
### add_error_attr
The same as 'attr' but sets an attribute only if validation failed for
the field (field.errors is not empty). This can be useful when dealing
with accessibility:
```
{% load widget_tweaks %}
<!-- add aria-invalid="true" attribute on field error -->
{{ form.title|add_error_attr:"aria-invalid:true" }}
```
### field_type and widget_type
`'field_type'` and `'widget_type'` are template filters that return
field class name and field widget class name (in lower case).
Example:
```
{% load widget_tweaks %}
<div class="field {{ field|field_type }} {{ field|widget_type }} {{ field.html_name }}">
{{ field }}
</div>
```
Output:
```
<div class="field charfield textinput name">
<input id="id_name" type="text" name="name" maxlength="100" />
</div>
```
## Filter chaining
The order django-widget-tweaks filters apply may seem counter-intuitive
(leftmost filter wins):
```
{{ form.simple|attr:"foo:bar"|attr:"foo:baz" }}
```
returns:
```
<input foo="bar" type="text" name="simple" id="id_simple" />
```
It is not a bug, it is a feature that enables creating reusable templates
with overridable defaults.
Reusable field template example:
```
{# inc/field.html #}
{% load widget_tweaks %}
<div>{{ field|attr:"foo:default_foo" }}</div>
```
Example usage:
```
{# my_template.html #}
{% load widget_tweaks %}
<form method='POST' action=''> {% csrf_token %}
{% include "inc/field.html" with field=form.title %}
{% include "inc/field.html" with field=form.description|attr:"foo:non_default_foo" %}
</form>
```
With 'rightmost filter wins' rule it wouldn't be possible to override
`|attr:"foo:default_foo"` in main template.
## Contributing
If you've found a bug, implemented a feature or have a suggestion,
do not hesitate to contact me, fire an issue or send a pull request.
* Source code: https://github.com/simhnna/django-widgets-improved/
* Bug tracker: https://github.com/simhnna/django-widgets-improved/issues
## Testing
Make sure you have [tox](http://tox.testrun.org/) installed, then type `tox`
from anywhere within the repository.
# Changelog
## 1.4.1 (2015-06-29)
------------------
* fixed a regression in django-widget-tweaks v1.4
(the field is no longer deep copied).
## 1.4 (2015-06-27)
* Django 1.7, 1.8 and 1.9 support;
* setup.py is switched to setuptools;
* testing improvements;
* Python 3.4 support is added;
* Python 2.5 is not longer supported;
* bitbucket repository is no longer supported (development is moved to github).
## 1.3 (2013-04-05)
* added support for ``WIDGET_ERROR_CLASS`` and ``WIDGET_REQUIRED_CLASS``
template variables that affect ``{% render_field %}``.
## 1.2 (2013-03-23)
* new ``add_error_attr`` template filter;
* testing improvements.
## 1.1.2 (2012-06-06)
* support for template variables is added to ``render_field`` tag;
* new ``field_type`` and ``widget_type`` filters.
## 1.1.1 (2012-03-22)
* some issues with ``render_field`` tag are fixed.
## 1.1 (2012-03-22)
* ``render_field`` template tag.
## 1.0 (2012-02-06)
* filters return empty strings instead of raising exceptions if field is missing;
* test running improvements;
* python 3 support;
* undocumented 'behave' filter is removed.
## 0.3 (2011-03-04)
* ``add_error_class`` filter.
## 0.2.1 (2011-02-03)
* Attributes customized in widgets are preserved;
* no more extra whitespaces;
* tests;
## 0.1 (2011-01-12)
Initial release.
نحوه نصب
نصب پکیج whl django-widgets-improved-1.5.0:
pip install django-widgets-improved-1.5.0.whl
نصب پکیج tar.gz django-widgets-improved-1.5.0:
pip install django-widgets-improved-1.5.0.tar.gz