layers3drop.module

<?php

/**
 * @file
 * layers3d implementation.
 */

/**
 * Implements hook_help().
 */
function layers3drop_help($path, $arg) {
  switch ($path) {
    case 'admin/help#layers3drop':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Layers 3D: Premium Parallax and Out of the Image effects! For more information, see the online handbook entry for <a href="@layers3drop">layers3drop module</a>.', array('@layers3drop' => 'http://drupal.org/documentation/modules')) . '</p>';

      return $output;
  }
}

/**
 * Implements hook_permission().
 */
function layers3drop_permission() {
  return array(
    '_layers3drop_access' => array(
      'title' => t('Administer Layers 3D'),
    ),
  );
}

/**
 * Implements hook_libraries_info().
 */
function layers3drop_libraries_info() {
  $libraries['layers3d'] = array(
    'name' => 'layers3d plugin',
    'vendor url' => 'http://kreaturamedia.com',
    'download url' => 'http://kreaturamedia.com',
    'version arguments' => array(
      'file' => 'js/layers3d.kreaturamedia.jquery-min.js',
      'pattern' => '@(?i:layers3d)\sv?([0-9\.a-z]+)@',
      'lines' => 5,
      'cols' => 80,
    ),
    'files' => array(
      'js' => array(
        'js/layers3d.kreaturamedia.jquery-min.js',
      ),
      'css' => array(
        'css/layers3d.css',
      ),
    ),
  );

  return $libraries;
}

/**
 * Implode strings.
 */
function _layers3drop_items_implode(array $items) {
  return implode(PHP_EOL, $items);
}

/**
 * Implements hook_preprocess_HOOK().
 */
function layers3drop_preprocess_page(&$variables, $hook) {
  $path = current_path();
  $path_alias = drupal_lookup_path('alias', $path);
  $patterns = array(
    '<front>',
  );
  $pattern = _layers3drop_items_implode($patterns);

  if (drupal_match_path($path, $pattern) || drupal_match_path($path_alias, $pattern)) {
    _layers3drop_libraries_load();
  }
}

/**
 * Return _layers3drop_libraries_load().
 */
function _layers3drop_libraries_load() {
  $library = libraries_detect('layers3d');

  if (!empty($library['installed'])) {
    libraries_load('layers3d');
    _layers3drop_add_js();
  }
}

/**
 * Return _layers3drop_add_js().
 */
function _layers3drop_add_js() {
  $library = libraries_load('layers3d');

  if (!empty($library['loaded'])) {
    $path = drupal_get_path('module', 'layers3drop');
    drupal_add_js($path . '/layers3drop.js');
    _layers3drop_add_css();
  }
}

/**
* Return _layers3drop_add_css().
*/
function _layers3drop_add_css() {
  $path = drupal_get_path('module', 'layers3drop');
  drupal_add_css($path . '/layers3drop.css');
}