<?php
/**
 * @file
 * Main module file.
 */

/**
 * Implements hook_views_api().
 */
function views_ef_fieldset_views_api() {
  return array(
    'api' => 3.0,
  );
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function views_ef_fieldset_form_views_exposed_form_alter(&$form, &$form_state) {
  if (isset($form_state['display'])) {
    if (isset($form_state['display']->display_options['views_ef_fieldset'])) {
      $options = $form_state['display']->display_options['views_ef_fieldset'];

      if ($options['enabled']) {

        if (is_array($options['options']['sort'])) {
          $form['#attached']['css'] = array(
            drupal_get_path('module', 'views_ef_fieldset') . '/css/views_ef_fieldset.css'
          );

          $viewsEFFieldsetData = new ViewsEFFieldsetData($options['options']['sort'], $form);
          $form['filters']['children'] = $viewsEFFieldsetData->treeToFAPI();
          $form['#info']['views_ef_fieldset']['value'] = 'filters';
        }
      }
    }
  }
}

/**
 * Implements hook_theme().
 */
function views_ef_fieldset_theme() {
  return array(
    'views_ef_fieldset_reorder_form' => array(
      'render element' => 'form',
      'file' => 'views_ef_fieldset.theme.inc'
    ),
  );
}