{# ---------------------- Pager -------------------------- #}
{% macro pager(page, pages, generator) -%}
{% if pages > 1 %}
<div class="pagination">
    <ul>
    {% set min = page - 3 %}
    {% set max = page + 3 + 1 %}

    {% if min < 0 %}
        {% set max = max - min %}
    {% endif %}
    {% if max >= pages %}
        {% set min = min - max + pages %}
    {% endif %}

    {% if min < 0 %}
        {% set min = 0 %}
    {% endif %}
    {% if max >= pages %}
        {% set max = pages %}
    {% endif %}

    {% if min > 0 %}
    <li>
        <a href="{{ generator(0) }}">&laquo;</a>
    </li>
    {% else %}
    <li class="disabled">
        <a href="javascript:void(0)">&laquo;</a>
    </li>
    {% endif %}
    {% if page > 0 %}
    <li>
        <a href="{{ generator(page-1) }}">&lt;</a>
    </li>
    {% else %}
    <li class="disabled">
        <a href="javascript:void(0)">&lt;</a>
    </li>
    {% endif %}

    {% for p in range(min, max) %}
    {% if page == p %}
    <li class="active">
        <a href="javascript:void(0)">{{ p + 1 }}</a>
    </li>
    {% else %}
    <li>
        <a href="{{ generator(p) }}">{{ p + 1 }}</a>
    </li>
    {% endif %}
    {% endfor %}

    {% if page + 1 < pages %}
    <li>
        <a href="{{ generator(page + 1) }}">&gt;</a>
    </li>
    {% else %}
    <li class="disabled">
        <a href="javascript:void(0)">&gt;</a>
    </li>
    {% endif %}
    {% if max < pages %}
    <li>
        <a href="{{ generator(pages - 1) }}">&raquo;</a>
    </li>
    {% else %}
    <li class="disabled">
        <a href="javascript:void(0)">&raquo;</a>
    </li>
    {% endif %}
    </ul>
</div>
{% endif %}
{%- endmacro %}

{# ---------------------- Forms -------------------------- #}
{% macro render_field(form, field, set_focus=False, kwargs={}) %}
  <div class="control-group{{ ' error' if field.errors else '' }}">
    <div class="control-label">
      {{ field.label.text }}
      {% if h.is_required_form_field(field) %}
        <strong style="color: red">&#42;</strong>
      {% else %}
        &nbsp;
      {% endif %}
    </div>
    <div class="controls">
    <div>
      {% if set_focus %}
      {{ field(autofocus='autofocus', **kwargs)|safe }}
      {% else %}
      {{ field(**kwargs)|safe }}
      {% endif %}
    </div>
    {% if field.description %}
    <p class="help-block">{{ field.description }}</p>
    {% endif %}
    {% if field.errors %}
      <ul class="input-errors">
      {% for e in field.errors if e is string %}
        <li>{{ e }}</li>
      {% endfor %}
      </ul>
    {% endif %}
    </div>
  </div>
{% endmacro %}

{% macro render_form_fields(form, set_focus=True, widget_args={}) %}
    {{ form.hidden_tag() if form.hidden_tag is defined }}

    {% for f in form if f.type != 'HiddenField' and f.type != 'CSRFTokenField' %}
      {% set kwargs = widget_args.get(f.name, {}) %}
      {{ render_field(form, f, not loop.index0 and set_focus, kwargs) }}
    {% endfor %}
{% endmacro %}

{% macro form_tag(form=None) %}
    <form action="" method="POST" class="form-horizontal" enctype="multipart/form-data">
      <fieldset>
        {{ caller() }}
      </fieldset>
    </form>
{% endmacro %}

{% macro render_form_buttons(cancel_url, extra=None) %}
    <div class="control-group">
      <div class="controls">
        <input type="submit" class="btn btn-primary btn-large" value="{{ _gettext('Submit') }}" />
        {% if extra %}
        {{ extra }}
        {% endif %}
        {% if cancel_url %}
        <a href="{{ cancel_url }}" class="btn btn-large">{{ _gettext('Cancel') }}</a>
        {% endif %}
      </div>
    </div>
{% endmacro %}

{% macro render_form(form, cancel_url, extra=None, widget_args={}) -%}
    {% call form_tag() %}
        {{ render_form_fields(form, widget_args) }}
        {{ render_form_buttons(cancel_url, extra) }}
    {% endcall %}
{% endmacro %}