Semantic UI twig layout using mdehoog/Semantic-UI-Calendar for calendars

config.yml

twig:
    debug:            "%kernel.debug%"
    strict_variables: "%kernel.debug%"
    form_themes:
            - 'form/semantic_layout.html.twig'

semantic_layout.html.twig

{% use 'form_div_layout.html.twig' %}

{% block form_start -%}
    {% set attr = attr|merge({class: (attr.class|default('') ~ ' ui form')|trim}) %}
    {{- parent() -}}
{%- endblock form_start %}

{# Widgets #}

{% block form_widget_simple -%}
    {{- parent() -}}
{%- endblock form_widget_simple %}

{% block textarea_widget -%}
    {% set attr = attr|merge({class: (attr.class|default('') ~ ' form-control')|trim}) %}
    {{- parent() -}}
{%- endblock textarea_widget %}

{% block button_widget -%}
    {% set attr = attr|merge({class: (attr.class|default('') ~ ' ui button')|trim}) %}
    {{- parent() -}}
{%- endblock %}

{% block money_widget -%}
    {{- block('form_widget_simple') -}}
{%- endblock money_widget %}

{% block percent_widget -%}
    {{- block('form_widget_simple') -}}
{%- endblock percent_widget %}

{% block datetime_widget -%}
    {% if value.date is defined  %}
        {% set value = value.date.day ~ '/' ~ value.date.month ~ '/' ~ value.date.year ~ ' ' ~ value.time.hour ~ ':' ~ value.time.minute %}
    {% endif %}
    <div class="ui calendar">
        <div class="ui input left icon">
            <i class="calendar icon"></i>
            {{- block('form_widget_simple') -}}
        </div>
    </div>
{%- endblock datetime_widget %}

{% block date_widget -%}
    {% if value.date is defined  %}
        {% set value = value.date.day ~ '/' ~ value.date.month ~ '/' ~ value.date.year %}
    {% endif %}
    <div class="ui calendar">
        <div class="ui input left icon">
            <i class="calendar icon"></i>
            {{- block('form_widget_simple') -}}
        </div>
    </div>
{%- endblock date_widget %}

{% block time_widget -%}
    {{- block('form_widget_simple') -}}
{%- endblock time_widget %}

{% block dateinterval_widget %}
    {{- block('form_widget_simple') -}}
{% endblock dateinterval_widget %}

{% block checkbox_widget -%}
    <div class="ui toggle checkbox">
        {% set attr = attr|merge({class: (attr.class|default(''))|trim}) %}
        {{- form_label(form, null, { widget: parent() }) -}}
    </div>
{%- endblock checkbox_widget %}

{% block radio_widget -%}
    <div class="ui radio checkbox">
        {% set attr = attr|merge({class: (attr.class|default('') ~ ' hidden')|trim}) %}
        {{- form_label(form, null, { widget: parent() }) -}}
    </div>
{%- endblock radio_widget %}

{# Labels #}

{% block form_label -%}
    {{- parent() -}}
{%- endblock form_label %}

{% block choice_label -%}
    {{- block('form_label') -}}
{% endblock %}

{% block checkbox_label -%}
    {{- block('checkbox_radio_label') -}}
{%- endblock checkbox_label %}

{% block radio_label -%}
    {{- block('checkbox_radio_label') -}}
{%- endblock radio_label %}

{% block checkbox_radio_label %}
    {# Do not display the label if widget is not defined in order to prevent double label rendering #}
    {% if widget is defined %}
        {% if required %}
            {% set label_attr = label_attr|merge({class: (label_attr.class|default('') ~ ' required')|trim}) %}
        {% endif %}
        {% if label is not same as(false) and 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 %}
        {{ widget|raw }}
        <label{% for attrname, attrvalue in label_attr %} {{ attrname }}="{{ attrvalue }}"{% endfor %}>
         {{ label is not same as(false) ? (translation_domain is same as(false) ? label : label|trans({}, translation_domain)) -}}
        </label>
    {% endif %}
{% endblock checkbox_radio_label %}

{# Rows #}

{% block form_row -%}
    <div class="field{% if not valid %} error{% endif %}">
        {{- form_label(form) -}}
        {{- form_widget(form) -}}
        {{- form_errors(form) -}}
    </div>
{%- endblock form_row %}

{% block button_row -%}
    {{- form_widget(form) -}}
{%- endblock button_row %}

{% block choice_row -%}
    {{- block('form_row') }}
{%- endblock choice_row %}

{% block date_row -%}
    {{- block('form_row') }}
{%- endblock date_row %}

{% block time_row -%}
    {{- block('form_row') }}
{%- endblock time_row %}

{% block datetime_row -%}
    {{- block('form_row') }}
{%- endblock datetime_row %}

{% block checkbox_row -%}
    <div class="field{% if not valid %} error{% endif %}">
        {{- form_widget(form) -}}
        {{- form_errors(form) -}}
    </div>
{%- endblock checkbox_row %}

{% block radio_row -%}
    <div class="field{% if not valid %} error{% endif %}">
        {{- form_widget(form) -}}
        {{- form_errors(form) -}}
    </div>
{%- endblock radio_row %}


{%- block choice_widget_collapsed -%}
    {%- if required and placeholder is none and not placeholder_in_choices and not multiple and (attr.size is not defined or attr.size <= 1) -%}
        {% set required = false %}
    {%- endif -%}
    {% set attr = attr|merge({class: (attr.class|default('') ~ ' ui fluid dropdown')|trim}) %}

    <select {{ block('widget_attributes') }}{% if multiple %} multiple="multiple"{% endif %}>
        {%- if placeholder is not none -%}
            <option value=""{% if required and value is empty %} selected="selected"{% endif %}>{{ placeholder != '' ? (translation_domain is same as(false) ? placeholder : placeholder|trans({}, translation_domain)) }}</option>
        {%- endif -%}
        {%- if preferred_choices|length > 0 -%}
            {% set options = preferred_choices %}
            {{- block('choice_widget_options') -}}
            {%- if choices|length > 0 and separator is not none -%}
                <option disabled="disabled">{{ separator }}</option>
            {%- endif -%}
        {%- endif -%}
        {%- set options = choices -%}
        {{- block('choice_widget_options') -}}
    </select>
{%- endblock choice_widget_collapsed -%}


{# Errors #}

{% block form_errors -%}
    {% if errors|length > 0 -%}
        <div class="ui pointing red label">
            <i class="warning sign icon"></i>
            {%- for error in errors -%}
                {{ error.message }}
            {%- endfor -%}
        </div>
    {%- endif %}
{%- endblock form_errors %}