class views_handler_filter_selective in Views Hacks 6

Hierarchy

• class \views_handler_filter_selective extends \views_handler_filter_in_operator

1 string reference to 'views_handler_filter_selective'

views_filters_selective_views_data_alter in views_filters_selective/views_filters_selective.views.inc

Implementation of hook_views_data_alter()

File

views_filters_selective/views_handler_filter_selective.inc, line 3

class views_handler_filter_selective extends views_handler_filter_in_operator {
  static $results;
  function get_value_options() {
    $this->value_options = array(
      0 => t('Actual values will be available at run-time'),
    );
    if (empty($this->view->selective_all_results)) {

      // Load the original handler to have the class available.
      views_include_handler($this->definition['proxy'], array(), 'handler');
      $handler = _views_filters_selective_get_handler($this->definition['proxy']);
      $oids = $this
        ->get_all_results();
      $options = empty($oids) ? array() : call_user_func($handler, $this, $oids);
      sort($options);
      if (!empty($options)) {

        // Encode the values to keep special chars.
        $this->value_options = array_combine(array_map('urlencode', array_values($options)), array_values($options));
      }
    }
  }
  function value_form(&$form, &$form_state) {
    parent::value_form($form, $form_state);

    // Avoid the 'illegal values' Form API error.
    $form['value']['#validated'] = TRUE;
  }
  function query() {

    // Decode the values to restore special chars.
    $this->value = array_map('urldecode', $this->value);
    parent::query();
  }
  function get_all_results() {
    $exposed_input = isset($this->view->exposed_input) ? $this->view->exposed_input : array();
    $signature = md5(serialize(array(
      'name' => $this->view->name,
      'args' => $this->view->args,
      'input' => $exposed_input,
    )));
    if (empty(self::$results[$signature])) {

      // Clone the view and get all results.
      $view_copy = views_get_view($this->view->name);
      $view_copy->selective_all_results = TRUE;
      $view_copy
        ->set_exposed_input($exposed_input);
      $view_copy
        ->set_arguments($this->view->args);
      $view_copy
        ->set_items_per_page(0);
      if (isset($_GET['items_per_page'])) {
        $items_per_page = $_GET['items_per_page'];
        unset($_GET['items_per_page']);
      }
      $view_copy
        ->execute($this->view->current_display);
      if (isset($items_per_page)) {
        $_GET['items_per_page'] = $items_per_page;
      }
      $oids = array();
      foreach ($view_copy->result as $row) {
        $oids[] = $row->{$view_copy->base_field};
      }
      if (empty($this->view->base_field)) {
        $this->view->base_field = $view_copy->base_field;
      }
      $view_copy
        ->destroy();
      self::$results[$signature] = $oids;
    }
    return self::$results[$signature];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
views_handler_filter_selective::$results	static	property
views_handler_filter_selective::get_all_results		function
views_handler_filter_selective::get_value_options		function
views_handler_filter_selective::query		function
views_handler_filter_selective::value_form		function