Macros
======

These macros will help you to generate Rings codes quickly and easily.

render_field()
--------------

Render a field of a form created with Flask-WTF/WTForms.

Example
^^^^^^^

.. code:: jinja

    {% from 'rings/wtf.html' import render_field %}

    <form method="post" actions="">
        {{ form.hidden_tag() }}
        {{ render_field(form.username) }}
        {{ render_field(form.password) }}
        {{ render_field(form.submit) }}
    </form>


Args
^^^^

.. py:function:: render_field(field, button_type="blue", class="")

    :param field: The field to render
    :param button_type: The style of the submit button, defaults to "blue"
    :param class: The extra classes to be added to the field

render_form()
-------------

Render a form created with Flask-WTF/WTForms.

Example
^^^^^^^

.. code:: jinja

    {% from 'rings/wtf.html' import render_form %}

    <h1>Form title</h1>
    {{ render_form(form) }}

Args
^^^^

.. py:function:: render_form(form, action="", method="POST", class="", role="form", id="", submit_button_type="blue")

    :param form: The form (generated by wtforms) to render
    :param action: The URL to receive form data, defaults to current URL
    :param method: The HTTP Method to send form data, only supports GET and POST
    :param class: <form> class attribute.
    :param role: <form> role attribute.
    :param id: <form> id attribute.
    :param submit_button_type: The style of the submit button

render_nav_item()
-----------------

Render a navigation item in a navigation bar.

Example
^^^^^^^

.. code:: jinja

    {% from 'rings/nav.html' import render_nav_item %}

    <nav>
        <ul>
            {{ render_nav_item("endpoint", "label") }}
        </ul>
    </nav>

Args
^^^^

.. py:function:: render_nav_item(endpoint, label, label_style="white", tag="", tag_style="blue")

    :param endpoint: The endpoint used to generate URL.
    :param label: The label of the navigation item.
    :param label_style: Custom text style for ``label``
    :param tag: The tag to display
    :param tag_style: Custom text style for ``tag``

render_flashed_message()
------------------------

Render a flashed message.

Example
^^^^^^^

.. code:: jinja

    {% from 'rings/utils.html' import render_flashed_message %}

    {% for message in get_flashed_messages(with_categories=True) %}
        {% if message[0] %}
            {% set category = message[0] %}
        {% else %}
            {% set category = 'info' %}
        {% endif %}
        {{ render_flashed_message(message[1], category) }}
    {% endfor %}

.. py:function:: render_flashed_message(message, category="info")

    :param message: The message to render.
    :param category: The category of the message, defaults to ``info``