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Form Bundle for Sulu

Simple handling from Symfony Forms in Sulu.io.
You can use the Bundle to handle forms which are directly integrated in a Sulu page or for ajax loaded forms.

Installation

Use composer to install this Bundle:

{
    "require": {
        "l91/sulu-form-bundle": "~0.1"
    }
}

or

    composer require l91/sulu-form-bundle:~0.1

Add to AbstractKernel (app/AbstractKernel.php)

    new L91\Sulu\Bundle\FormBundle\L91SuluFormBundle(),

Config

add the following config to app/config/config.yml

framework:
    esi: { enabled: true } # use to reload csrf token

l91_sulu_form:
    mail_helper:
        from: %parameter_recommended_for_from%
        to: %parameter_recommended_for_to%

Features

This Bundle handles the problem with the CSRF Token and HTTP Cache.
A simple Controller is provided to handle a Symfony Form with CSRF Token.
Also mail dispatching is handled by the bundle.

Cacheable Items:

The Template itself should be cached also the form fields.

  • Template
  • Form Fields

Uncacheable Items

  • Form CSRF Token (loaded over ESI Request in the twig theme)

Example Template

The following is showing an example how you can use the bundle.

Basic Sulu Template

Sulu template is not needed when using a ajax loaded form.

<?xml version="1.0" ?>
<template xmlns="http://schemas.sulu.io/template/template"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://schemas.sulu.io/template/template http://schemas.sulu.io/template/template-1.0.xsd">

    <key>pages_template_key</key>

    <view>ClientWebsiteBundle:templates:pages_template_key</view>
    <controller>L91SuluFormBundle:Form:form</controller>
    <cacheLifetime>2400</cacheLifetime>

    <meta>
        <title lang="de">Form</title>
        <title lang="en">Form</title>
    </meta>

    <properties>
        <property name="title" type="text_line" mandatory="true">
            <meta>
                <title lang="de">Titel</title>
                <title lang="en">Title</title>
            </meta>

            <tag name="sulu.rlp.part"/>
        </property>

        <property name="url" type="resource_locator" mandatory="true">
            <meta>
                <title lang="de">Adresse</title>
                <title lang="en">Resourcelocator</title>
            </meta>

            <tag name="sulu.rlp"/>
            <tag name="sulu.search.field" role="description"/>
        </property>

        <section name="form">
            <meta>
                <title lang="de">Form</title>
                <title lang="en">Form</title>
            </meta>
            <properties>
                <property name="options" type="text_area">
                    <meta>
                        <title lang="de">Form Options</title>
                        <title lang="en">Form Options</title>
                    </meta>
                </property>

                <property name="mail_customer_from_address" type="text_line" mandatory="true">
                    <meta>
                        <title lang="de">Customer From Mail</title>
                        <title lang="en">Customer From Mail</title>
                    </meta>
                </property>

                <property name="mail_notify_from_address" type="text_line" mandatory="true">
                    <meta>
                        <title lang="de">Notify From Mail</title>
                        <title lang="en">Notify From Mail</title>
                    </meta>
                </property>

                <property name="mail_notify_to_address" type="text_line" mandatory="true">
                    <meta>
                        <title lang="de">Notify To Mail</title>
                        <title lang="en">Notify To Mail</title>
                    </meta>
                </property>
            </properties>
        </section>
    </properties>
</template>

Create Entity

In your Bundle under Resources/config/doctrine/ create your *.orm.xml file:

<?xml version="1.0" encoding="utf-8"?>
<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">

    <entity name="Client\Bundle\WebsiteBundle\Entity\Example" table="cl_form_example">
        <id name="id" type="integer" column="id">
            <generator strategy="AUTO"/>
        </id>
        <field name="firstName" type="string" column="firstName" />
        <field name="lastName" type="string" column="lastName" />
        <field name="email" type="string" column="email" />
        <field name="customOption" type="string" column="customOption" nullable="true" />
        <field name="created" type="datetime" column="created">
            <options>
                <option name="default">CURRENT_TIMESTAMP</option>
            </options>
        </field>
    </entity>
</doctrine-mapping>

Create the entity with app/console doctrine:generate:entities ClientWebsiteBundle
Sulu have sometimes problem with this command and you maybe need first create the empty class in your Entity Folder. (Issue: sulu/sulu#1343)

Create Form Type

In your Symfony Form Type extend from L91\Sulu\Bundle\FormBunde\Form\Type\AbstractType and use and create the following function.

namespace Client\Bundle\WebsiteBundle\Form\Type;

use L91\Sulu\Bundle\FormBundle\Entity\Example;
use L91\Sulu\Bundle\FormBundle\Form\Type;
use Symfony\Component\Form\FormBuilderInterface;

class FormExampleType extends AbstractType
{
    /**
     * {@inheritdoc}
     */
    protected $dataClass = 'L91\Sulu\Bundle\FormBundle\Entity\Example';

    /**
     * {@inheritdoc}
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->setData(new Example());

        $builder->add('firstName', 'text')
            ->add('lastName', 'text')
            ->add('email', 'text')
            ->add('customOption', 'choice', array(
                'choices' => preg_split('/\r\n|\r|\n/',  $this->getAttribute('options'))
            ))
            ->add('submit', 'submit');
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'pages_template_key';
    }
}

Register new FormType in services.xml

The form is loaded by the template key so create a form type with the name same as the template key.

    <service id="form_example" class="Client\Bundle\WebsiteBundle\Type\ExampleType">
        <tag name="form.type" alias="pages_template_key" />
    </service>

Add routing for the only Action (needed for Ajax loaded Forms)

Add ajax route to website config (app/config/website/routing.yml)

l91_sulu_form:
    resource: "@L91SuluFormBundle/Resources/config/routing.yml"

To form can now be requested under /form/only/{form_type_alias}
The form type alias you did set in your services.xml

Output Form and customize

To modified use a Symfony Form Theme https://github.com/symfony/symfony/blob/v2.7.0/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig

<!doctype html>
<html>
<head>
    <title>Basic Form</title>
</head>
<body>
    {% if app.request.get('send') != 'true' %}
        <h1>Basic Form {{ template }}</h1>

        {# FORM THEME #}
        {% form_theme form 'ClientWebsiteBundle:forms:theme.html.twig' %}
        {{ form(form) }}
    {% else %}
        <h1>Thank you</h1>

        <a href="{{ app.request.headers.get('referer') }}">back</a>
    {% endif %}
</body>
</html>

ClientWebsiteBundle:forms:theme.html.twig:

{% block _contact_request__token_widget %}
    {% set type = type|default('hidden') %}
    <input type="{{ type }}" {{ block('widget_attributes') }} value="{{ render_esi(controller('L91SuluFormBundle:Form:token', { 'form': 'form_type_alias' })) }}" /> {#  #}
{% endblock _contact_request__token_widget %}

Email

You need to create 2 emails(visitor/admin). Default Path are:
Admin: ClientWebsiteBundle:views:form/mail/{form_type_name}/notify.html.twig;
Visitor: ClientWebsiteBundle:views:form/mail/{form_type_name}/success.html.twig;

To change it you can just overwrite in your FormType the getNotifyMail or getCustomerMail function.

Twig

To output the data in the email see the following example:

Firstname: {{ form.data.firstName }}<br/>
Lastname: {{ form.data.lastName }}<br/>