templates/form/bootstrap_4_layout.html.twig
{% extends 'bootstrap_4_layout.html.twig' %}
{% block submit_widget -%}
{%- set attr = attr|merge({class: (attr.class|default('btn-primary'))|trim}) -%}
<div class="form-footer">
{{- parent() -}}
</div>
{%- endblock submit_widget %}
{% block form_label -%}
{% if label is not same as(false) -%}
{%- if compound is defined and compound -%}
{%- set element = 'legend' -%}
{%- set label_attr = label_attr|merge({class: (label_attr.class|default('') ~ ' col-form-label')|trim}) -%}
{%- else -%}
{%- set label_attr = label_attr|merge({for: id}) -%}
{%- endif -%}
{% if required -%}
{% set label_attr = label_attr|merge({class: (label_attr.class|default('form-label mt-2') ~ ' required')|trim}) %}
{%- else -%}
{% set label_attr = label_attr|merge({class: (label_attr.class|default('form-label mt-2'))|trim}) %}
{%- endif -%}
{% if label is empty -%}
{%- if label_format is not empty -%}
{% set label = label_format|replace({
'%name%': name,
'%id%': id,
}) %}
{%- else -%}
{% set label = name|humanize %}
{%- endif -%}
{%- endif -%}
<{{ element|default('label') }}{% if label_attr %}{% with { attr: label_attr } %}{{ block('attributes') }}{% endwith %}{% endif %}>{{ translation_domain is same as(false) ? label : label|trans(label_translation_parameters, translation_domain) }}{% block form_label_errors %}{% endblock form_label_errors %}</{{ element|default('label') }}>
{%- else -%}
{%- if errors|length > 0 -%}
<div id="{{ id }}_errors" class="mb-2">
{{- form_errors(form) -}}
</div>
{%- endif -%}
{%- endif -%}
{%- endblock form_label %}
{% block form_row -%}
{%- if compound is defined and compound -%}
{%- set element = 'fieldset' -%}
{%- endif -%}
{%- set widget_attr = {} -%}
{%- if help is not empty -%}
{%- set widget_attr = {attr: {'aria-describedby': id ~"_help"}} -%}
{%- endif -%}
<{{ element|default('div') }}{% with {attr: row_attr|merge({class: (row_attr.class|default('') ~ ' form-group')|trim})} %}{{ block('attributes') }}{% endwith %}>
{{- form_label(form) -}}
{{- form_widget(form, widget_attr) -}}
{{- form_errors(form) -}}
{% if form.vars.help ?? false %}
<small class="form-text text-muted">{{- form.vars.help|raw -}}</small>
{% endif %}
</{{ element|default('div') }}>
{%- endblock form_row %}
{% block form_errors -%}
{%- if errors|length > 0 -%}
<span class="{% if form is not rootform %}invalid-feedback{% else %}alert alert-danger{% endif %}">
{%- for error in errors -%}
<span>
{{ error.message }}
</span>
{%- endfor -%}
</span>
{%- endif %}
{%- endblock form_errors %}