diff core/lib/Drupal/Core/Render/ElementInfoManagerInterface.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Render/ElementInfoManagerInterface.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,66 @@
+<?php
+
+namespace Drupal\Core\Render;
+
+use Drupal\Component\Plugin\Discovery\DiscoveryInterface;
+
+/**
+ * Collects available render array element types.
+ */
+interface ElementInfoManagerInterface extends DiscoveryInterface {
+
+  /**
+   * Retrieves the default properties for the defined element type.
+   *
+   * Each of the element types defined by this hook is assumed to have a
+   * matching theme hook, which should be registered with hook_theme() as
+   * normal.
+   *
+   * For more information about custom element types see the explanation at
+   * https://www.drupal.org/node/169815.
+   *
+   * @param string $type
+   *   The machine name of an element type plugin.
+   *
+   * @return array
+   *   An associative array describing the element types being defined. The
+   *   array contains a sub-array for each element type, with the
+   *   machine-readable type name as the key. Each sub-array has a number of
+   *   possible attributes:
+   *   - #input: boolean indicating whether or not this element carries a value
+   *     (even if it's hidden).
+   *   - #process: array of callback functions taking $element, $form_state,
+   *     and $complete_form.
+   *   - #after_build: array of callables taking $element and $form_state.
+   *   - #validate: array of callback functions taking $form and $form_state.
+   *   - #element_validate: array of callback functions taking $element and
+   *     $form_state.
+   *   - #pre_render: array of callables taking $element.
+   *   - #post_render: array of callables taking $children and $element.
+   *   - #submit: array of callback functions taking $form and $form_state.
+   *   - #title_display: optional string indicating if and how #title should be
+   *     displayed (see form-element.html.twig).
+   *
+   * @see \Drupal\Core\Render\Element\ElementInterface
+   * @see \Drupal\Core\Render\Element\ElementInterface::getInfo()
+   */
+  public function getInfo($type);
+
+  /**
+   * Retrieves a single property for the defined element type.
+   *
+   * @param string $type
+   *   An element type as defined by an element plugin.
+   * @param string $property_name
+   *   The property within the element type that should be returned.
+   * @param $default
+   *   (Optional) The value to return if the element type does not specify a
+   *   value for the property. Defaults to NULL.
+   *
+   * @return string
+   *   The property value of the defined element type. Or the provided
+   *   default value, which can be NULL.
+   */
+  public function getInfoProperty($type, $property_name, $default = NULL);
+
+}