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• 5. Create a newsletter form

Step 5 — Create a newsletter form

Tip

You can find all files used and modified in this step on GitHub.

The final step of this tutorial assists you in adding to the home page a Form block for signing up to a newsletter.

Known limitation

To have multiple instances of the same form on one page, create several identical form blocks. Otherwise, you may encounter issues with submitting data from all forms at the same time.

Add a Form block

Start with creating a Form Content item. In the Forms panel, click Create and select Form. Provide the title, for example, "Sign up for Newsletter" and click Build form.

In the Form Builder, add and configure (using the Basic and Validation tabs) the following form fields:

Form field	Name	Required	Additional properties
Single line input	Name	yes	Minimum length = 3
Single line input	Surname	no	Minimum length = 3
Dropdown	Select topic	yes	Options: - News - Tips - Articles
Email	Email address	yes	—
Captcha	CAPTCHA	—	—
Button	Sign up!	—	Action: Show a message Message to display: Thank you!

The configuration should look like this:

When you add all the fields, go to the previous menu and click Publish. Now you can edit the Front Page and add a Form block below the Random block. Edit the block and select the form you created. Click Submit.

The Page should refresh with the Form block.

It clearly differs from the page design, so you also need to customize the block's layout.

Change the block template

First, add a new template for the Form block to align it with the Random block design. Create a newsletter.html.twig file in templates/blocks/form/:

<div class="row">
    <div class="block-form {{ block_class }}">
        {{ fos_httpcache_tag('relation-location-' ~ locationId) }}
        {{ render(controller('ez_content::viewAction', {
            'locationId': locationId,
            'viewType': 'embed'
        })) }}
        <style type="text/css">{{ block_style|raw }}</style>
    </div>
</div>

This template extends the default block layout by adding an additional class (line 1) that shares CSS styling with the Random block.

Append the new template to the block by adding it to config/packages/ezplatform_page_fieldtype.yaml. Add the following configuration under the blocks key at the same level as other block names, e.g. random:

blocks:
#...
    form:
        views:
            newsletter:
                template: blocks/form/newsletter.html.twig
                name: Newsletter Form View

Now you have to apply the template to the block. Go back to editing the Page. Edit the Form block again. In the Design tab, select the Newsletter Form View and click Submit.

The block remains unchanged, but the results will be visible when you add CSS styling.

Change the field template

At this point, you need to change the field template. This results in alternating the position and design of the Form fields.

Create a form_field.html.twig file in templates/fields/:

{% block ezform_field %}
    {% set formValue = field.value.getForm() %}
    {% if formValue %}
        {% set form = formValue.createView() %}
        {% form_theme form 'bootstrap_4_layout.html.twig' %}
        {% apply spaceless %}
            {% if not ez_field_is_empty(content, field) %}
                {{ form(form) }}
            {% endif %}
        {% endapply %}
    {% endif %}
{% endblock %}

Next, assign the template to the Page. In config/packages/views.yaml, at the same level as pagelayout, add:

field_templates:
    - { template: fields/form_field.html.twig, priority: 30 }

Clear the cache by running bin/console cache:clear and refresh the Page to see the results.

Configure the Form field

Before applying the final styling of the block, you need to configure the CAPTCHA field. In config/packages, add a gregwar_captcha.yaml file with the following configuration:

gregwar_captcha:
    as_url: true
    width: 150
    invalid_message: Please, enter again.
    reload: true
    length: 4

The configuration resizes the CAPTCHA image (line 3), changes the error message (line 4), enables the user to reload the code (line 5), and shortens the authentication code (line 6).

Add stylesheet

The remaining step in configuring the block is adding CSS styling. Add the following code to assets/css/style.css:

/* Newsletter Form block */
.block-form {
    border: 1px solid #8b7f7b;
    border-radius: 5px;
    padding: 0 25px 25px 25px;
    margin-top: 15px;
}

.block-form .ezstring-field {
    display: inline-block;
    font-variant: small-caps;
    font-size: 1.2em;
    width: 100%;
    text-align: right;
    padding-top: 20px;
}

.block-form .col-form-label {
    display: none;
}

.block-form .form-group {
    font-variant: small-caps;
    font-size: 1em;
    margin-top: 12px;
}

.captcha_image {
    padding-left: 10px;
    padding-bottom: 10px;
}

.captcha_reload {
    font-variant: all-small-caps;
    padding-left: 5px;
}

.btn-primary {
    background-color: rgb(103,85,80);
    border-color: rgb(103,85,80);
    margin-top: 15px;
    margin-bottom: -20px;
}

.block-form h3 {
    font-variant: all-small-caps;
    text-align: center;
}

Reinstall the assets and clear the cache by running the following commands:

yarn encore <dev|prod>
php bin/console cache:clear

Your newsletter form block is ready.

Refresh the Page and enter a couple of mock submissions.

Manage the submissions

You can view all submissions in the Back Office. Go to Forms panel. From the Content Tree, select the Form and click the Submissions tab. There, after selecting submission(s), click Download or Delete. To see details about a submission, click View.

For more details, see viewing form results.

Congratulations!

You have finished the tutorial and created your first customized Page.

You have learned how to:

• Create and customize a Page
• Make use of existing blocks and adapt them to your needs
• Plan content airtime using the Content Scheduler block
• Create custom blocks
• Use Form Builder and configure your form
• Apply custom styling to blocks