{% macro render_field(f) %}
{% if f.type == "BooleanField" %}
  <div class="checkbox">
    <label for="{{ f.id }}">
    {{ f(id=f.id, placeholder=f.label.text, **kwargs) }}
    {{ f.label.text }}
    </label>
{% else %}
    <div class="form-group">
      {{ f.label }}{% if f.flags.required %}&nbsp;<strong style="color: red">*</strong>{% endif %}
      {{ f(class="form-control", id=f.id, placeholder=f.label.text, **kwargs) | safe }}
{% endif %}
{% if f.errors %}
      <ul class=errors>
        {% for error in f.errors %}
          <li style="color: red">{{ error }}</li>
        {% endfor %}
      </ul>
{% endif %}
  </div>
{% endmacro %}

{% macro orcid_url(user, full_url=False, target="_blank") -%}
  {%- if user.orcid -%}
  <a href="{{user|orcid}}" target="{{target}}" class="orcid">
    <img alt="ORCID iD" src="{{url_for('static', filename='images/orcid_16x16.gif')}}" style="width:16px; height:16px; margin-right:4px">{{user|orcid if full_url else config.ORCID_BASE_URL.split('/', 2)[2] + user.orcid}}</a>
{%- else %}&nbsp;{% endif -%}
{%- endmacro %}

{% macro image(filename) -%}{{url_for('static', filename='images/' + filename)}}{%- endmacro -%}