class ProgressBar

Pre-processes variables for the "progress_bar" theme hook.

Plugin annotation



Expanded class hierarchy of ProgressBar

Related topics


class ProgressBar extends PreprocessBase implements PreprocessInterface {

   * {@inheritdoc}
  public function preprocessVariables(Variables $variables) {
    // Ensure a unique ID, generating one if needed.
    $id = $variables->getAttribute('id', Html::getUniqueId($variables->offsetGet('id', 'progress-bar')));
    $variables->setAttribute('id', $id);

    // Preprocess attributes.



Contains filters are case sensitive
Name Modifiers Type Description
PluginBase::$theme protected property The currently set theme object.
PluginBase::__construct public function
PreprocessBase::$hook protected property The theme hook invoked.
PreprocessBase::$info protected property The theme hook info array from the theme registry.
PreprocessBase::$variables protected property The Variables object.
PreprocessBase::preprocess public function Preprocess theme hook variables. Overrides PreprocessInterface::preprocess
PreprocessBase::preprocessAttributes protected function Ensures all attributes have been converted to an Attribute object.
PreprocessBase::preprocessDescription protected function Converts any set description variable into a traversable array.
PreprocessBase::preprocessElement protected function Preprocess the variables array if an element is present.
ProgressBar::preprocessVariables public function Preprocess the variables array. Overrides PreprocessBase::preprocessVariables