function DisplayPluginBase::getFieldLabels

Overrides DisplayPluginInterface::getFieldLabels

File

core/modules/views/src/Plugin/views/display/DisplayPluginBase.php, line 973

Class

DisplayPluginBase

Base class for views display plugins.

Namespace

Code

public function getFieldLabels($groupable_only = FALSE) {
    $options = [];
    foreach ($this->getHandlers('relationship') as $relationship => $handler) {
        $relationships[$relationship] = $handler->adminLabel();
    }
    foreach ($this->getHandlers('field') as $id => $handler) {
        if ($groupable_only && !$handler->useStringGroupBy()) {
            // Continue to next handler if it's not groupable.
            continue;
        }
        if ($label = $handler->label()) {
            $options[$id] = $label;
        }
        else {
            $options[$id] = $handler->adminLabel();
        }
        if (!empty($handler->options['relationship']) && !empty($relationships[$handler->options['relationship']])) {
            $options[$id] = '(' . $relationships[$handler->options['relationship']] . ') ' . $options[$id];
        }
    }
    return $options;
}