gistfile1.txt

THEME FUNCTION

function ln_funnelback_theme() {
  return array(
    'ln_funnelback_results' => array(
      'arguments' => array('results' => NULL, 'pager' => NULL),
      'template' => 'ln_funnelback_results',
    ),
    'ln_funnelback_contextual_nav_block' => array(
      'arguments' => array('summary' => NULL, 'contextual_nav' => NULL),
      'template' => 'ln_funnelback_contextual_nav_block',
    ),
    'ln_funnelback_pager' => array(
      'arguments' => array('summary' => NULL),
      'template' => 'ln_funnelback_pager',
    ),
    'ln_funnelback_facets_block' => array(
      'arguments' => array('request_params' => NULL, 'selected_facets' => NULL, 'querystring' => NULL, 'facets' => NULL),
      'template' => 'ln_funnelback_facets_block',
    ),
  );
}

/**
 * Implements hook_block_view().
 */
function ln_funnelback_block_view($delta = '') {

  $block = array();
  switch ($delta) {
    case 'search_form':
      if (user_access('use ln funnelback search')) {
        $block['subject'] = t('');
        $block['content'] = drupal_get_form('ln_funnelback_search_block_form');
      }
      break;

    case 'contextual':
      if (user_access('use ln funnelback search')) {
        $block['subject'] = t('Context');
        $block['content'] = ln_funnelback_contextual_nav_view();
      }
      break;

    case 'facets':
      if (user_access('use ln funnelback search')) {
        $block['subject'] = t('Facets');
        $block['content'] = ln_funnelback_facets_view();
      }
      break;
  }

  return $block;
}

/**
 * Block callback for facets.
 */
function ln_funnelback_facets_view() {
  
  $query   = filter_xss($_GET['query']);
  $start   = (!empty($_GET['start'])) ? filter_xss($_GET['start']) : 0;

  $request_data = _build_fb_request();

  // Set the data to send to ln_funnelback_request.
  $request_params = $request_data['request_params'];
  $base_url = $request_data['base_url'];
  $api_path = $request_data['api_path'];

  // Allow modules to modify the query parameters.
  drupal_alter('ln_funnelback_query', $request_params);

  $response = ln_funnelback_request($base_url, $api_path, $request_params);

  if ($response->code == 200) {
    $json = drupal_json_decode($response->data);
  }

  $selected_facets = $json['question']['selectedFacets'];
  $querystring = $json['QueryString'];
  $facets = $json['response']['facets'];

  // See question > selectedFacets
  // See question > selectedCatgoryValues

  // Need to pass the selected facet information so we can 
  // let users reset - this may need to be looked at for nested facets.
  // In that case you would need to check you were at the deepest level.
  // pass an array of all the url parameters so that the facet code can decide what needs outputting
  $output = theme('ln_funnelback_facets_block', array(
    'request_params' => $request_params,
    'selected_facets' => $selected_facets,
    'querystring' => $querystring,
    'facets' => $facets,
  ));

  return $output;
}