Drupal\views\ViewsDataHelper | Drupal Core API Explorer

class ViewsDataHelper (View source)

Defines a helper class for stuff related to views data.

Properties

protected ViewsData	$data	The views data object, containing the cached information.
protected array	$fields	A prepared list of all fields, keyed by base_table and handler type.

__construct(ViewsData $views_data)

Constructs a ViewsData object.

array

fetchFields(array|string $base, string $type, bool $grouping = FALSE, string $sub_type = NULL)

Fetches a list of all fields available for a given base type.

static int

fetchedFieldSort(array $a, array $b)

Sort function for fetched fields.

Constructs a ViewsData object.

$views_data

The views data object, containing the cached table information.

Fetches a list of all fields available for a given base type.

array\|string	$base	A list or a single base_table, for example node.
string	$type	The handler type, for example field or filter.
bool	$grouping	Should the result grouping by its 'group' label.
string	$sub_type	An optional sub type. E.g. Allows making an area plugin available for header only, instead of header, footer, and empty regions.

array

A keyed array of in the form of 'base_table' => 'Description'.

Sort function for fetched fields.

array	$a	First item for comparison. The compared items should be associative arrays that include a 'group' and a 'title' key.
array	$b	Second item for comparison.

int	Returns -1 if $a comes before $b, 1 other way round and 0 if it cannot be decided.