function DisplayPluginBase::usesExposed

Overrides DisplayPluginInterface::usesExposed

File

core/modules/views/src/Plugin/views/display/DisplayPluginBase.php, line 253

Class

DisplayPluginBase

Base class for views display plugins.

Namespace

Code

public function usesExposed() {
    if (!isset($this->has_exposed)) {
        foreach ($this->handlers as $type => $value) {
            foreach ($this->view->{$type} as $handler) {
                if ($handler->canExpose() && $handler->isExposed()) {
                    // One is all we need; if we find it, return TRUE.
                    $this->has_exposed = TRUE;
                    return TRUE;
                }
            }
        }
        $pager = $this->getPlugin('pager');
        if (isset($pager) && $pager->usesExposed()) {
            $this->has_exposed = TRUE;
            return TRUE;
        }
        $this->has_exposed = FALSE;
    }
    return $this->has_exposed;
}