public function ViewsExcludePreviousNodes::getValueOptions in Views exclude previous 8

Child classes should be used to override this function and set the 'value options', unless 'options callback' is defined as a valid function or static public method to generate these values.

This can use a guard to be used to reduce database hits as much as possible.

Return value

array|null The stored values from $this->valueOptions.

Overrides InOperator::getValueOptions

File

src/Plugin/views/filter/ViewsExcludePreviousNodes.php, line 19

Class

ViewsExcludePreviousNodes

Filter exclude previous viewed node's.

Namespace

Drupal\views_exclude_previous\Plugin\views\filter

Code

public function getValueOptions() {

  // @todo: Make this pluggable.
  $this->valueOptions = [
    'node_load' => 'Exclude nodes previously loaded (hook_node_load).',
    'node_view' => 'Exclude nodes previously viewd (hook_node_view).',
    'views' => 'Exclude nodes that where loaded in any node based view.',
  ];
}