public function SearchApiRangesWidgetUISlider::_buildUISliderForm in Search API ranges 7

Builds a UI slider themed form. Performs min/max queries through Search API.

1 call to SearchApiRangesWidgetUISlider::_buildUISliderForm()

SearchApiRangesWidgetUISlider::execute in plugins/facetapi/widget_slider.inc

Renders the links.

File

plugins/facetapi/widget_slider.inc, line 115

Widget for facets rendered as UI slider with Min/Max.

Class

SearchApiRangesWidgetUISlider

@file Widget for facets rendered as UI slider with Min/Max.

Code

public function _buildUISliderForm() {
  $slider = array();

  // Get Search API stuff
  $searcher = $this->facet
    ->getAdapter()
    ->getSearcher();
  $index_id = explode('@', $searcher);
  $index = search_api_index_load($index_id[1]);
  list($query, $results) = $this->facet
    ->getAdapter()
    ->getCurrentSearch();
  $settings = $this->settings->settings;
  $round_precision = isset($settings['round-precision']) ? (int) $settings['round-precision'] : 0;

  // Make a clone of the query, as to not alter the current search query
  $query = clone $query;

  // Prepare variables for min/max query
  $variables = array(
    'index' => $index,
    'range_field' => $this->facet['field alias'],
    'query' => $query,
    'round-precision' => $round_precision,
  );

  // Query the min/max values for the range slider
  $min_value = search_api_ranges_minmax($variables, 'ASC');
  $max_value = search_api_ranges_minmax($variables, 'DESC');

  // Kill widget if there is nothing to do
  if (empty($min_value) && empty($max_value)) {
    return array();
  }

  // Calculate user input from/to values (different concept than min/max)
  foreach ($this->facet
    ->getAdapter()
    ->getAllActiveItems() as $key => $active_item) {
    if ($active_item['field alias'] == $this->facet['field alias']) {
      $values = explode(' ', substr($active_item['value'], 1, -1));
      $from_value = round($values[0], $round_precision, PHP_ROUND_HALF_DOWN);
      $to_value = round($values[2], $round_precision, PHP_ROUND_HALF_UP);
      break;
    }
  }

  // User from/to cannot exceed queried min/max, adjust if needed
  if (!isset($from_value) || $from_value < $min_value) {
    $from_value = $min_value;
  }
  if (!isset($to_value) || $max_value < $to_value) {
    $to_value = $max_value;
  }

  // Get facet path field/alias
  $range_field = $this->facet['field alias'];
  if (module_exists('facetapi_pretty_paths')) {
    $processor = new FacetapiUrlProcessorPrettyPaths($this->facet
      ->getAdapter());
    $range_field = $processor
      ->getFacetPrettyPathsAlias($this->facet
      ->getFacet());
  }

  // Prepare the slider variables and return themed form
  // @see search-api-ranges-slider.tpl.php
  $variables = array(
    'range_field' => rawurlencode($range_field),
    'name' => $this->settings->settings['name'],
    'prefix' => $this->settings->settings['prefix'],
    'suffix' => $this->settings->settings['suffix'],
    'min' => $min_value,
    'max' => $max_value,
    'from' => $from_value,
    'to' => $to_value,
    'auto_submit_delay' => is_numeric($this->settings->settings['auto-submit-delay']) ? $this->settings->settings['auto-submit-delay'] : 0,
    'active_items' => $this->facet
      ->getAdapter()
      ->getAllActiveItems(),
    'target' => $this->facet
      ->getAdapter()
      ->getSearchPath(),
  );

  // We need to generate unique form IDs in case multiple forms get rendered
  // on the same page. search_api_ranges_forms() takes care of mapping them
  // back to the base form ID 'search_api_ranges_block_slider_view_form'.
  return drupal_get_form('search_api_ranges_block_slider_view_form_' . $range_field, $variables);
}