function EntityField::clickSort

Called to determine what to tell the click sorter.

Overrides FieldPluginBase::clickSort

File

core/modules/views/src/Plugin/views/field/EntityField.php, line 337

Class

EntityField

A field that displays entity field data.

Namespace

Code

public function clickSort($order) {
    // No column selected, can't continue.
    if (empty($this->options['click_sort_column'])) {
        return;
    }
    $this->ensureMyTable();
    $field_storage_definition = $this->getFieldStorageDefinition();
    $column = $this->getTableMapping()
        ->getFieldColumnName($field_storage_definition, $this->options['click_sort_column']);
    if (!isset($this->aliases[$column])) {
        // Column is not in query; add a sort on it.
        $this->aliases[$column] = $this->tableAlias . '.' . $column;
        // If the query uses DISTINCT we need to add the column too.
        if (!empty($this->view
            ->getQuery()->options['distinct'])) {
            $this->query
                ->addField($this->tableAlias, $column);
        }
    }
    $this->query
        ->addOrderBy(NULL, NULL, $order, $this->aliases[$column]);
}