How do I override an Entity Type's label in Symfony 2 with multiple field values?

Question

I'm trying to make a custom form in Symfony 2. I've got a Entity field type that I'm trying to render as expanded / multiple. The default rendering for each entity is something like the following pseudo code:

<input type="checkbox" value='$entity->id'><label>$entity->id</label>

This is pretty terrible. I'd like to get symfony to render each entity with something more detailed like:

<div>
    <input type="checkbox" value='$entity->id'><label><strong>$entity->name</strong>
    <div>$entity->detail</div></label>
</div>

The documentation doesn't mention how to access specific fields of an entity when rendering a form. Does anyone have an idea of how to tackle this?

Thanks!

Basically you are trying to customize form rendering, for that just follow documentation - symfony.com/doc/current/cookbook/form/form_customization.html — user3577953
– user3577953, Commented May 1, 2014 at 17:53
Basically yes, technically no. The documentation doesn't cover how to render an entity field separately from the entity widget. Plus the link you added, doesn't cover entity types at all. — Noah Duncan
– Noah Duncan, Commented May 1, 2014 at 22:52

dmnptr · Accepted Answer · 2014-05-02 16:40:49Z

1

You can access specific fields on an entity like this - {{ form_widget(form.your_choice_field.0) }} for the first item, {{ form_widget(form.your_choice_field.1) }} for the second and so on.

your_choice_field is a form field, which could be choice or entity.

{{ form_widget(form.your_choice_field.0) }} allows you to access individual items in choices array.

edited May 2, 2014 at 16:40

answered May 1, 2014 at 17:50

dmnptr

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Noah Duncan Over a year ago

This would be useful, but I'm having trouble getting it working. Should it be form_widget instead of form.widget? Then, can you be more explicit about what "your_entity" is? Is that the entity name? The name of the entity field? Lets say I have a "Priority" entity with my entity field type called "priorities".

Bartłomiej Wach · Accepted Answer · 2014-05-06 07:43:24Z

The default layout for all forms, if you use the full stack framework, is placed in

vendor\symfony\symfony\src\Symfony\Bridge\Twig\Resources\views\Form\form_div_layout.html.twig

you can see what happens there which is that entity is rendered as

{% block choice_widget_expanded %}
{% spaceless %}
    <div {{ block('widget_container_attributes') }}>
    {% for child in form %}
        {{ form_widget(child) }}
        {{ form_label(child) }}
    {% endfor %}
    </div>
{% endspaceless %}
{% endblock choice_widget_expanded %}

if you want to owerwrite rendering of a row of an entity field, as @Manocho mentioned, you can refer to http://symfony.com/doc/current/cookbook/form/form_customization.html and overwrite that block in your template file and then add

{% form_theme form _self %}

so twig will search for overwritten blocks in the same twig file it is rendered in

Ziumin · Accepted Answer · 2014-05-01 17:53:06Z

0

Have you tried adding property option when adding your entity field as described here? You can also add __toString method to your entity.

answered May 1, 2014 at 17:53

Ziumin

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1 Comment

Noah Duncan Over a year ago

This neatly accomplishes half of what I need, and the rest a little more ugly. I'm hoping I can get what @dmnptr answered with for the other half. The two together make a fairly elegant solution.

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