public function date_views_filter_handler::op_empty in Date 7.2

Same name and namespace in other branches

1. 7.3 date_views/includes/date_views_filter_handler.inc \date_views_filter_handler::op_empty()

@todo Document this.

Overrides views_handler_filter_numeric::op_empty

File

date_views/includes/date_views_filter_handler.inc, line 67

A flexible, configurable date filter.

Class

date_views_filter_handler

A flexible, configurable date filter.

Code

public function op_empty($field) {
  $this
    ->get_query_fields();
  if (empty($this->query_fields)) {
    return;
  }

  // Add each condition to the custom filter group.
  foreach ((array) $this->query_fields as $query_field) {
    $field = $query_field['field'];
    $this->date_handler = $query_field['date_handler'];

    // Respect relationships when determining the table alias.
    if ($field['table_name'] != $this->table || !empty($this->relationship)) {
      $this->related_table_alias = $this->query
        ->ensure_table($field['table_name'], $this->relationship);
    }
    else {
      $this->related_table_alias = NULL;
    }
    $table_alias = !empty($this->related_table_alias) ? $this->related_table_alias : $field['table_name'];
    $field_name = $table_alias . '.' . $field['field_name'];
    parent::op_empty($field_name);
  }
}