{% macro input(name, label, type, opt) %}
    <div class="form-group">
        {% if label -%}
            <label for="{{ name }}">{{ label }}</label>
        {%- endif %}
        <input type="{{ type|default('text') }}" class="form-control"
               id="{{ name }}" name="{{ name }}"
               value="{{ opt.value|default('') }}"
                {%- if opt.required|default(false) %}
                    required="required"
                {%- endif -%}
        >
    </div>
{%- endmacro %}

{% macro textarea(name, label, opt) %}
    <div class="form-group">
        {% if label -%}
            <label for="{{ name }}">{{ label }}</label>
        {%- endif %}
        <textarea class="form-control" id="{{ name }}" name="{{ name }}"
                {%- if opt.required|default(false) %}
                    required="required"
                {%- endif -%}
                {%- if opt.rows|default(0) %}
                    rows="{{ opt.rows }}"
                {%- endif -%}
        >{{ opt.value|default('') }}</textarea>
    </div>
{%- endmacro %}

{% macro select(name, data, label, selected) %}
    <div class="form-group">
        {% if label -%}
            <label for="{{ name }}">{{ label }}</label>
        {% endif %}
        <select id="{{ name }}" name="{{ name }}" class="form-control">
            {% for value,decription in data -%}
                <option value="{{ value }}" {% if name == selected %} selected{% endif %}>{{ decription }}</option>
            {% endfor %}
        </select>
    </div>
{%- endmacro %}

{% macro checkbox(name, label, checked, value) %}
    <div class="checkbox">
        <label>
            <input type="checkbox" id="{{ name }}" name="{{ name }}" value="{{ value|default('1') }}"
                    {%- if checked|default(false) %} checked="checked"{% endif %}>
            {{ label }}
        </label>
    </div>
{%- endmacro %}

{% macro hidden(name, value) %}
    <input type="hidden" id="{{ name }}" name="{{ name }}" value="{{ value }}">
{%- endmacro %}

{% macro button(label, opt) %}
    <button class="btn btn-{{ opt.btn_type|default('primary') }}"
            {%- if opt.type is defined %} type="{{ opt.type }}"{% endif %}
            {%- if opt.name is defined %} name="{{ opt.name }}"{% endif %}
            {%- if opt.value is defined or opt.name is defined %} value="{{ opt.value|default('1') }}"{% endif -%}
    >
        {{ label }}
    </button>
{%- endmacro %}

{% macro submit(label, opt) %}
    {{ _self.button(label|default(__('form.submit')), opt|default({})|merge({'type': 'submit'})) }}
{%- endmacro %}