function slide_with_style_field_views_data_alter in Select with Style 7

Implements hook_field_views_data_alter().

Temporarily swaps out exposed views_handler_filter_numeric filter for a slider version. This function is called for every field on the system, but only the fields required for the View's exposed filters will be converted.

See also

class slide_with_style_handler_filter_numeric

File

slide_with_style/views/slide_with_style.views.inc, line 18

slide_with_style.views.inc

Code

function slide_with_style_field_views_data_alter(&$data, $field) {
  if (!variable_get('slide_with_style_use_in_views', TRUE)) {
    return;
  }
  foreach ($data as $table_name => $table_data) {
    foreach ($table_data as $field_name => $field_data) {
      if (isset($field_data['filter']['handler']) && isset($field_data['filter']['field_name'])) {
        if ($field = field_info_field($field_data['filter']['field_name'])) {
          $handler =& $data[$table_name][$field_name]['filter']['handler'];

          // is_a() used this way requires PHP 5.3.9. Hence the suppression of
          // error and the poor-man's textual check for suspected subclasses.
          if (@is_a($handler, 'views_handler_filter_numeric', TRUE) || strpos($handler, 'handler_filter_numeric') || @is_a($handler, 'views_handler_filter_field_list', TRUE) || strpos($handler, 'handler_filter_field_list')) {

            // We're only interested in handlers that belong to Fields that have
            // a Slide with Style slider widget attached.
            $instances = slide_with_style_get_field_instances($field['field_name']);
            foreach ($instances as $instance) {
              if ($instance['widget']['module'] == 'slide_with_style') {
                $handler = 'slide_with_style_handler_filter_numeric';
                break;
              }
            }
          }
        }
      }
    }
  }
}