function DisplayPluginBase::getFieldLabels

File

core/modules/views/src/Plugin/views/display/DisplayPluginBase.php, line 967

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;
}