select_optgroup.html.twig

{% extends "forms/field.html.twig" %}

{% block global_attributes %}
    data-grav-selectize="{{ (field.selectize is defined ? field.selectize : {})|json_encode()|e('html_attr') }}"
    {{ parent() }}
{% endblock %}

{% block input %}
    <div class="{{ form_field_wrapper_classes ?: 'form-select-wrapper' }} {{ field.size }} {{ field.wrapper_classes }}">
        <select name="{{ (scope ~ field.name)|fieldName ~ (field.multiple ? '[]' : '') }}"
                class="{{ form_field_select_classes }} {{ field.classes }}"
                {% if field.id is defined %}id="{{ field.id|e }}" {% endif %}
                {% if field.style is defined %}style="{{ field.style|e }}" {% endif %}
                {% if field.disabled %}disabled="disabled"{% endif %}
                {% if field.autofocus in ['on', 'true', 1] %}autofocus="autofocus"{% endif %}
                {% if field.novalidate in ['on', 'true', 1] %}novalidate="novalidate"{% endif %}
                {% if required %}required="required"{% endif %}
                {% if field.multiple in ['on', 'true', 1] %}multiple="multiple"{% endif %}
                {% if field.disabled or isDisabledToggleable %}disabled="disabled"{% endif %}
                {% if field.form %}form="{{ field.form }}"{% endif %}
                {% if field.key %}
                    data-key-observe="{{ (scope ~ field.name)|fieldName }}"
                {% endif %}
                >
                {% set selectedoption = false %}
            {% if field.placeholder %}<option value="" disabled selected>{% set selectedoption = true %}{% if grav.twig.twig.filters['tu'] is defined %}{{ field.placeholder|tu|raw }}{% else %}{{ field.placeholder|t|raw }}{% endif %}</option>{% endif %}

            {% for key, optgroup in field.options %}
                {% set optgroup_label = optgroup|keys|first %}
                
                <optgroup label="{{ optgroup_label }}">
                {%for subkey, suboption in field.options[key][optgroup_label] %}
                {% set selected = field.selectize ? suboption : subkey %}
                {% set item_value = field.selectize and field.multiple ? suboption : subkey %}
                    <option {% if selectedoption == false and subkey == value or (field.multiple and selected in value) %}{% set selectedoption = true %}selected="selected"{% endif %} value="{{ suboption }}">
                        {% if grav.twig.twig.filters['tu'] is defined %}
                        {{ suboption|tu|raw }}{% else %}{{ suboption|t|raw }}
                        {% endif %}
                    </option>
                {% endfor %}
                </optgroup>
            {% endfor %}
        </select>
    </div>
{% endblock %}