<?php

/**
 * @file
 * Hooks provided by Custom Forms module.
 */

/**
 * @addtogroup hooks
 * @{
 */

/**
 * Preprocess the field rendering of a custom forms form item.
 *
 * This hook allows modules to preprocess the field rendering of a custom forms
 * form item. This is useful if you, for example, need to add more information
 * to custom forms form item's field rendering (such as classes, states, etc.).
 *
 * @param array $element
 *   The custom forms form item's field render array.
 *
 * @param \Drupal\custom_forms\CustomFormItem $item
 *   The custom form item the render array belongs to.
 *
 * @ingroup hooks
 */
function hook_preprocess_custom_forms__form_item(&$element, \Drupal\custom_forms\CustomFormItem $item) {
  $type = $item->getType();
  $key = '#attributes';

  // We need a different attribute key for those where we want it added to their wrapper.
  $wrapper_elements = ['dawa_address', 'text_plain', 'email', 'number'];
  if ($type === 'field' || in_array($item->getPluginDefinition()['id'], $wrapper_elements)) {
    $key = '#wrapper_attributes';
  }
  if (!empty($element[$key])) {
    if (is_array($element[$key])) {
      $element[$key]['class'][] = 'custom-forms-item__'.$type;
      $element[$key]['class'][] = 'js-custom-forms-item__'.$type;
    } else if ($element[$key] instanceof \Drupal\Core\Template\Attribute) {
      $element[$key]->addClass('custom-forms-item__'.$type);
      $element[$key]->addClass('js-custom-forms-item__'.$type);
    }
  } else {
    $element[$key] = [
      'class' => [
        'custom-forms-item__'.$type,
        'js-custom-forms-item__'.$type,
      ],
    ];
  }
}

/**
 * Alter the operations for each custom form item.
 *
 * This hook allows modules to alter the operations available to each custom
 * form item. For example, it can be used to add additional operations to each
 * item that links to additional functionality, or removing existing operations
 * that shouldn't be available to specific items.
 *
 * The hook supplies the custom form item, which allows access to all the item's
 * functionality and information should it be needed.
 *
 * @param array $operations
 *   The operations array of operations for the custom form item.
 *
 * @param \Drupal\custom_forms\CustomFormItem $item
 *   The custom form item the operations array belongs to.
 *
 * @ingroup hooks
 */
function hook_states_custom_forms_item_operations_alter(array &$operations, \Drupal\custom_forms\CustomFormItem $item) {
  $operations['states'] = [
    'title' => t('States'),
    'url' => \Drupal\Core\Url::fromRoute('custom_form.field_list.item_states_form', ['custom_form' => $item->getFormId(), 'item' => $item->id()]),
    'attributes' => [
      'class' => [
        'use-ajax'
      ],
      'data-dialog-type' => 'dialog',
      'data-dialog-renderer' => 'off_canvas',
      'data-dialog-options' => \Drupal\Component\Serialization\Json::encode([
        'width' => '500px'
      ]),
    ],
  ];
}

/**
 * @} End of "addtogroup hooks".
 */