protected function AdvancedPluginSelectorBase::buildSelector in Plugin 8.2

Builds the form elements for the actual plugin selector.

Parameters

array $root_element: The plugin's root element.

\Drupal\Core\Form\FormStateInterface $form_state: The form's state.

\Drupal\Component\Plugin\PluginInspectionInterface[] $plugins: The available plugins.

Return value

array The selector's form elements.

3 calls to AdvancedPluginSelectorBase::buildSelector()

AdvancedPluginSelectorBase::buildMultipleAvailablePlugins in src/Plugin/Plugin/PluginSelector/AdvancedPluginSelectorBase.php

Builds the form elements for multiple plugins.

Radios::buildSelector in src/Plugin/Plugin/PluginSelector/Radios.php

Builds the form elements for the actual plugin selector.

SelectList::buildSelector in src/Plugin/Plugin/PluginSelector/SelectList.php

Builds the form elements for the actual plugin selector.

2 methods override AdvancedPluginSelectorBase::buildSelector()

Radios::buildSelector in src/Plugin/Plugin/PluginSelector/Radios.php

Builds the form elements for the actual plugin selector.

SelectList::buildSelector in src/Plugin/Plugin/PluginSelector/SelectList.php

Builds the form elements for the actual plugin selector.

File

src/Plugin/Plugin/PluginSelector/AdvancedPluginSelectorBase.php, line 301

Class

AdvancedPluginSelectorBase

Provides a default base for most plugin selectors.

Namespace

Drupal\plugin\Plugin\Plugin\PluginSelector

Code

protected function buildSelector(array $root_element, FormStateInterface $form_state, array $plugins) {
  $build['container'] = [
    '#attributes' => [
      'class' => [
        'plugin-selector-' . Html::getClass($this
          ->getPluginId() . '-selector'),
      ],
    ],
    '#type' => 'container',
  ];
  $build['container']['plugin_id'] = [
    '#markup' => 'This element must be overridden to provide the plugin ID.',
  ];
  $root_element_parents = $root_element['#parents'];

  // Compute the button's name based on its position in the form, but we
  // cannot use "][" to indicate nesting as we would usually do, because then
  // \Drupal\Core\Form\FormBuilder::buttonWasClicked() cannot recognize the
  // button when it is clicked.
  $change_button_name_parts = array_merge($root_element_parents, [
    'select',
    'container',
    'change',
  ]);
  $change_button_name = implode('__', $change_button_name_parts);
  $build['container']['change'] = [
    '#ajax' => [
      'callback' => [
        get_class(),
        'ajaxRebuildForm',
      ],
    ],
    '#attributes' => [
      'class' => [
        'js-hide',
      ],
    ],
    '#limit_validation_errors' => [
      array_merge($root_element['#parents'], [
        'select',
        'plugin_id',
      ]),
    ],
    '#name' => $change_button_name,
    '#submit' => array(
      array(
        get_class(),
        'rebuildForm',
      ),
    ),
    '#type' => 'submit',
    '#value' => $this
      ->t('Choose'),
  ];
  return $build;
}