paragraphs_id.module in Paragraphs ID 7

Paragraphs ID module file.

File

paragraphs_id.module

<?php

/**
 * @file
 * Paragraphs ID module file.
 */

// Paragraphs ID constants.
define('PI_PARAGRAPH_TYPE', 'paragraphs_item');
define('PI_ADMIN_PERMISSION', 'administer paragraphs id');
define('PI_PARAGRAPHS_ITEM_ID_PREFIX', 'paragraphs_id_item_id_prefix');
define('PI_PARAGRAPHS_ITEM_ID_PREFIX_DEFAULT', 'paragraphs-item-');

/**
 * Implements hook_permission().
 */
function paragraphs_id_permission() {
  $permissions = array();
  $permissions[PI_ADMIN_PERMISSION] = array(
    'title' => t('Administer Paragraphs ID'),
    'description' => t('Allows users to access all Paragraphs ID settings.'),
  );
  return $permissions;
}

/**
 * Implements hook_menu().
 */
function paragraphs_id_menu() {
  $items = array();
  $callback_file_directory = drupal_get_path('module', 'paragraphs_id') . '/includes';
  $items['admin/config/system/paragraphs-id'] = array(
    'title' => 'Paragraphs ID',
    'description' => 'Configure Paragraphs ID class prefix.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'paragraphs_id_settings_form',
    ),
    'access arguments' => array(
      PI_ADMIN_PERMISSION,
    ),
    'file' => 'paragraphs_id.admin.inc',
    'file path' => $callback_file_directory,
  );
  return $items;
}

/**
 * Implements hook_preprocess().
 *
 * Add class with paragraph item entity id to paragraphs item.
 */
function paragraphs_id_preprocess(&$variables, $hook) {

  // Only run with paragraphs_item entity.
  if (!empty($variables['entity_type']) == PI_PARAGRAPH_TYPE) {
    if (!empty($variables[PI_PARAGRAPH_TYPE])) {

      // Get paragraph entity.
      $entity = $variables[PI_PARAGRAPH_TYPE];

      // Get the paragraphs item id prefix.
      $id_prefix = paragraphs_id_get_prefix();

      // Define class name.
      $class = $id_prefix . $entity->item_id;

      // Add class to classes_array.
      $variables['classes_array'][] = drupal_html_class($class);
    }
  }
}

/**
 * Get class prefix from variable.
 *
 * @return string
 */
function paragraphs_id_get_prefix() {
  return variable_get(PI_PARAGRAPHS_ITEM_ID_PREFIX, PI_PARAGRAPHS_ITEM_ID_PREFIX_DEFAULT);
}

Functions

Name	Description
paragraphs_id_get_prefix	Get class prefix from variable.
paragraphs_id_menu	Implements hook_menu().
paragraphs_id_permission	Implements hook_permission().
paragraphs_id_preprocess	Implements hook_preprocess().

Constants

Name	Description
PI_ADMIN_PERMISSION
PI_PARAGRAPHS_ITEM_ID_PREFIX
PI_PARAGRAPHS_ITEM_ID_PREFIX_DEFAULT
PI_PARAGRAPH_TYPE