icon.module in Icon API 8

Same filename and directory in other branches
7 icon.module
icon.module Provides icon integration with menu items.
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icon.module
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<?php

/**
 * @file
 * icon.module
 * Provides icon integration with menu items.
 */
use Drupal\Core\Cache\Cache;
use Drupal\Core\Extension\Extension;
use Drupal\Core\Extension\ExtensionDiscovery;
define('ICON_ADMIN_PATH', 'admin/config/media/icon');

// Include necessary files. Normally these would all be in the main .module
// file, however it's easier to manage in separate files.
$includes = array(
  'bundles',
  'cache',
  'element',
  'render',
  'theme',
  'utilities',
);
foreach ($includes as $include) {
  require_once __DIR__ . "/includes/{$include}.inc";

  // TODO - test this - replaced dirname(__FILE__) with __DIR__. Should be functionally equivalent and __DIR__ became available in PHP5.3
}

/**
 * Implements hook_hook_info().
 */
function icon_hook_info() {
  $hooks = array();
  $icon_hooks = array(
    'icon_bundles',
    'icon_bundle_delete',
    'icon_bundle_list_alter',
    'icon_permission',
    'icon_providers',
    'icon_render_hooks',
  );
  foreach ($icon_hooks as $hook) {
    $hooks[$hook] = array(
      'group' => 'icon',
    );
  }
  return $hooks;
}

/**
 * Implements hook_library().
 */
function icon_library() {
  $libaries_path = drupal_get_path('module', 'icon') . '/libraries';
  $libraries['icon_selector'] = array(
    'title' => 'Icon Selector',
    'website' => 'http://drupal.org/project/icon',
    'version' => '1.0.0',
    'css' => array(
      $libaries_path . '/icon_selector/css/icon_selector.css' => array(),
    ),
    'js' => array(
      $libaries_path . '/icon_selector/js/icon_selector.js' => array(),
      0 => array(
        'type' => 'setting',
        'data' => array(
          'icon_selector' => array(
            'bundles' => array_keys(icon_bundles()),
          ),
        ),
      ),
    ),
  );
  return $libraries;
}

/**
 * Implements hook_menu().
 *
 * @FIXME - partially fixed.
 * This implementation of hook_menu() cannot be automatically converted because
 * it contains logic (i.e., branching statements, function calls, object
 * instantiation, etc.) You will need to convert it manually. Sorry!
 *
 * For more information on how to convert hook_menu() to Drupal 8's new routing
 * and linking systems, see https://api.drupal.org/api/drupal/core%21includes%21menu.inc/group/menu/8
 */

/* function icon_menu() {
  $module_path = drupal_get_path('module', 'icon');
  $items = array();

//  Fixed = in icon.links.menu.yaml
//  $items[ICON_ADMIN_PATH] = array(
//    'title' => 'Icons',
//    'description' => 'Overview of all available icons.',
//    'page callback' => 'drupal_get_form',
//    'page arguments' => array('icon_bundle_overview_form'),
//    'access arguments' => array('administer icons'),
//    'file' => 'admin.inc',
//    'file path' => $module_path . '/includes',
//  );
//  $items[ICON_ADMIN_PATH . '/overview'] = array(
//    'type' => MENU_DEFAULT_LOCAL_TASK,
//    'title' => 'Bundles',
//    'description' => 'Overview of all available icon bundles.',
//    'weight' => -10,
//  );


/* @FIXME there are dynamically created local menu items, based on the icon sets found.
 * The proposal is to use discoverable annotated handlers for the sets. Once a set
 * has been found, it will need to be added to the menus. But that's not going to happen here.
 *
 * Note: IconSets used to be called Icon Bundles.
 *
 * Suggestion - we move these to a table on the overview page.
 *
 *
  $import_providers = icon_providers_support_import();
  if (!empty($import_providers)) {
    $items[ICON_ADMIN_PATH . '/import'] = array(
      'type' => MENU_LOCAL_TASK,
      'title' => 'Import',
      'description' => 'Import a bundle from a provider.',
      'page callback' => 'drupal_get_form',
      'page arguments' => array('icon_provider_import_form'),
      'access arguments' => array('administer icons'),
      'file' => 'import.inc',
      'file path' => $module_path . '/includes',
    );
  }
  $items[ICON_ADMIN_PATH . '/bundle/%icon_bundle'] = array(
    'title callback' => 'icon_bundle_get_title',
    'title arguments' => array(5),
    'description' => 'An icon bundle.',
    'page callback' => 'icon_bundle_list',
    'page arguments' => array(5),
    'access arguments' => array('administer icons'),
    'theme callback' => 'icon_bundle_get_theme',
    'theme arguments' => array(5),
    'file' => 'admin.inc',
    'file path' => $module_path . '/includes',
  );
  $items[ICON_ADMIN_PATH . '/bundle/%icon_bundle/icons'] = array(
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'title' => 'Icons',
    'description' => 'Provide an overview of all available icon bundles.',
    'weight' => -10,
  );
  $items[ICON_ADMIN_PATH . '/bundle/%icon_bundle/configure'] = array(
    'type' => MENU_LOCAL_TASK,
    'title' => 'Configure',
    'description' => 'Form callback for configuring an icon bundle.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('icon_bundle_configure_form', 5),
    'access arguments' => array('administer icons'),
    'file' => 'admin.inc',
    'file path' => $module_path . '/includes',
  );
  $items[ICON_ADMIN_PATH . '/bundle/%icon_bundle/delete'] = array(
    'title' => 'Delete',
    'description' => 'Confirmation page for deleting an icon bundle from the database.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('icon_bundle_delete_form', 5),
    'type' => MENU_CALLBACK,
    'access arguments' => array('administer icons'),
    'file' => 'admin.inc',
    'file path' => $module_path . '/includes',
  );
  $items[ICON_ADMIN_PATH . '/bundle/%icon_bundle/reset'] = array(
    'title' => 'Reset',
    'description' => 'Confirmation page for resetting a module or theme provided bundle that has been overridden in the database.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('icon_bundle_reset_form', 5),
    'type' => MENU_CALLBACK,
    'access arguments' => array('administer icons'),
    'file' => 'admin.inc',
    'file path' => $module_path . '/includes',
  );

  // The actual path will be set in hook_menu_alter() but we want the item to be
  // defined here to let the menu system fill-in defaults. To ensure we do not
  // have path collisions, we just temporarily a child of our admin path.
  $view_path_alias = ICON_ADMIN_PATH . '/tmp';
  $items[$view_path_alias] = $items[ICON_ADMIN_PATH];
  $items[$view_path_alias]['access arguments'] = array('view icons');
  $items[$view_path_alias . '/%icon_bundle'] = $items[ICON_ADMIN_PATH . '/bundle/%icon_bundle'];
  $items[$view_path_alias . '/%icon_bundle']['access arguments'] = array('view icons');
  $items[$view_path_alias . '/%icon_bundle']['title arguments'] = array(1);
  $items[$view_path_alias . '/%icon_bundle']['page arguments'] = array(1);
  $items[$view_path_alias . '/%icon_bundle']['theme arguments'] = array(1);

  return $items;
}
 */

/**
 * Implements hook_menu_alter().
 */

// @FIXME This was commented out during auto upgrade
// This will need to be moved into the routing system etc.

/*
 *
 function icon_menu_alter(&$items) {
  // Create a path alias for users with the "view icons" permission.
  // @FIXME
// Could not extract the default value because it is either indeterminate, or
// not scalar. You'll need to provide a default value in
// config/install/icon.settings.yml and config/schema/icon.schema.yml.
$view_path_alias = \Drupal::config('icon.settings')->get('icon_api_view_path_alias');

  // If variable is not set and path is not taken, set it.
  if ($view_path_alias === NULL && empty($items['icons'])) {
    $view_path_alias = 'icons';
    \Drupal::configFactory()->getEditable('icon.settings')->set('icon_api_view_path_alias', $view_path_alias)->save();
  }

  $tmp_path = ICON_ADMIN_PATH . '/tmp';
  if (!empty($view_path_alias)) {
    $items[$view_path_alias] = $items[$tmp_path];
    $items[$view_path_alias . '/%icon_bundle'] = $items[$tmp_path . '/%icon_bundle'];
  }

  unset($items[$tmp_path]);
  unset($items[$tmp_path . '/%icon_bundle']);
}
*/

/**
 * Implements hook_permission().
 *
 * Invokes hook_icon_permission() so sub-modules can be grouped together with
 * the Icon API module on the permissions table.
 */

// @FIXME This code now moved to icon.permissions.yml but the recursive array aspect which groups things isn't. Hoping that permissions has a grouping mechanism
// sorted yet.

/* function icon_permission() {
  return array_merge_recursive(array(
    'administer icons' => array(
      'title' => t('Administer Icons'),
      'description' => t('Grants selected roles full administrative permissions for all aspects of the Icon API. It supersedes all permissions below.'),
      'restrict access' => TRUE,
    ),
    'view icons' => array(
      'title' => t('View Icons'),
      'description' => t('Grants selected roles permission to view all icons in enabled bundles.'),
    ),
  ), \Drupal::moduleHandler()->invokeAll('icon_permission'));
}
*/

/**
 * Returns information about icons render hooks.
 *
 * @param string $hook
 *   (optional) The name of the render hook to return information for. If
 *   omitted, render hook information provided by all modules and themes will
 *   be returned.
 * @param bool $reset
 *   Boolean to force reset of the cached data. Default: FALSE.
 *
 * @return array|false
 *   An associative array containing render hook information from all modules
 *   and themes, the information for the render hook specified by $hook, or
 *   FALSE if the render hook $name is not registered.
 *
 * @see hook_icon_render_hooks()
 */
function &icon_render_hooks($hook = NULL, $reset = FALSE) {
  $hooks =& drupal_static(__FUNCTION__);
  if (!isset($hooks) || $reset) {
    if (!$reset && ($cache = \Drupal::cache()
      ->get('icon_render_hooks')) && !empty($cache->data)) {
      $hooks = $cache->data;
    }
    else {
      $hooks = array();

      // Gather information from extensions that implement
      // hook_icon_render_hooks().
      foreach (icon_extension_implements('icon_render_hooks') as $extension => $type) {
        $extension_hooks = (array) icon_extension_invoke($type, $extension, 'icon_render_hooks');
        foreach ($extension_hooks as $render_hook => $data) {
          if (!is_string($render_hook) && is_string($data)) {
            $render_hook = $data;
            $data = array();
          }
          $data['name'] = $render_hook;
          $data['type'] = $type;
          $data[$type] = $extension;
          if (!isset($data['file'])) {
            $data['file'] = 'module' === $type ? $extension . '.module' : 'template.php';
          }
          if (!isset($data['path'])) {
            $data['path'] = drupal_get_path($type, $extension);
          }
          $hooks[$render_hook] = $data;
        }
      }

      // Allow extensions to alter render hook information.
      \Drupal::moduleHandler()
        ->alter('icon_render_hooks', $hooks);

      // Cache the render hook information.
      \Drupal::cache()
        ->set('icon_render_hooks', $hooks);
    }
  }
  if (isset($hook)) {
    if (!empty($hooks[$hook])) {
      return $hooks[$hook];
    }
    else {
      $false = FALSE;
      return $false;
    }
  }
  return $hooks;
}

/**
 * Default properties for a bundle definition.
 *
 * @param array $bundle
 *   An associative array of bundle information, passed by reference.
 * @param string $name
 *   The machine name of the bundle.
 */
function icon_bundle_defaults(&$bundle = array(), $name = '') {
  $bundle += array(
    'icons' => array(),
    'name' => $name,
    'provider' => '',
    'settings' => array(),
    'status' => 1,
    'title' => $name,
    'version' => '',
    '#attached' => array(),
  );
  return $bundle;
}

/**
 * Returns information about all icon bundles.
 *
 * @param string $name
 *   The name of the bundle to load.
 * @param bool $reset
 *   Boolean to force reset of the cached data. Default: FALSE.
 *
 * @return array|false
 *   An associative array containing information for all bundles.
 *
 * @see hook_icon_info()
 */
function icon_bundles($name = NULL, $reset = FALSE) {
  $bundles =& drupal_static(__FUNCTION__);
  if (!isset($bundles) || $reset) {
    if (!$reset && ($cache = \Drupal::cache()
      ->get('icon_bundles')) && !empty($cache->data)) {
      $bundles = $cache->data;
    }
    else {
      $bundles = array();

      // Gather information from extensions that implement hook_icon_bundles().
      foreach (icon_extension_implements('icon_bundles') as $extension => $type) {
        $extension_bundles = (array) icon_extension_invoke($type, $extension, 'icon_bundles');
        foreach ($extension_bundles as $bundle_name => $bundle) {
          icon_bundle_defaults($bundle, $bundle_name);
          if (empty($bundle['provider'])) {
            $bundle['provider'] = $extension;
          }

          // Alphabetically sort the icons.
          if (!empty($bundle['icons'])) {
            ksort($bundle['icons']);
          }

          // In cases where themes may provide sprite icons (such as Bootstrap),
          // we need to specify the theme to use for this bundle. These types
          // of bundles do not attach a separate CSS file with the bundle and
          // the sprite classes are instead, generated with the theme's CSS.
          // @see icon_bundle_get_theme()
          // @see icon_menu().
          if ($type === 'theme' && $bundle['render'] === 'sprite' && empty($bundle['#attached']['css'])) {
            $bundle['theme'] = $extension;
          }
          $bundles[$bundle_name] = $bundle;
        }
      }

      // Gather database bundles (which overrides any module implementations).
      $database_bundles = \Drupal::database()
        ->select('icon_bundle', 'b')
        ->fields('b')
        ->execute();
      foreach ($database_bundles as $database_bundle) {
        $bundle = unserialize($database_bundle->bundle);
        if ($bundle === FALSE) {
          $bundle = array();
        }
        else {
          icon_bundle_defaults($bundle, $bundle['name']);
          if (!empty($bundles[$database_bundle->name])) {
            $bundle['overridden'] = TRUE;
          }
        }
        $bundle['database'] = TRUE;
        $bundle['status'] = (int) $database_bundle->status;
        if (isset($bundles[$database_bundle->name])) {
          $bundle = array_merge($bundles[$database_bundle->name], $bundle);
        }
        $bundles[$database_bundle->name] = $bundle;
      }

      // Allow extensions to alter the bundles.
      \Drupal::moduleHandler()
        ->alter('icon_bundles', $bundles);

      // Cache the info.
      \Drupal::cache()
        ->set('icon_bundles', $bundles);
    }
  }
  if (isset($name)) {
    if (!empty($bundles[$name])) {
      return $bundles[$name];
    }
    else {
      $false = FALSE;
      return $false;
    }
  }
  return $bundles;
}

/**
 * Delete the icon bundle that matches {icon_bundle}.name in the database.
 *
 * @param array $bundle
 *   The icon bundle array.
 *
 * @return bool
 *   TRUE if successful, FALSE if bundle does not exist or on failure.
 */
function icon_bundle_delete(array $bundle = array()) {
  if (empty($bundle['name']) || !icon_bundle_load($bundle['name'])) {
    return FALSE;
  }

  // Execute the query.
  try {

    // Execute query and remove database entries.
    \Drupal::database()
      ->delete('icon_bundle')
      ->condition('name', $bundle['name'])
      ->execute();

    // Delete files if not in code and path starts in public folder and exists.
    if (empty($bundle['overridden']) && strpos($bundle['path'], 'public://') === 0 && file_exists($bundle['path'])) {
      file_unmanaged_delete_recursive($bundle['path']);
    }

    // Determine which hook to invoke.
    $hook = 'icon_bundle_' . (!empty($bundle['overridden']) ? t('reset') : t('delete'));

    // Invoke hook_icon_bundle_reset() or hook_icon_bundle_delete() accordingly.
    foreach (icon_extension_implements($hook) as $extension => $type) {
      icon_extension_invoke($type, $extension, $hook, $bundle);
    }
    icon_clear_all_caches();
    drupal_set_message(t('The icon bundle %bundle has been successfully !action.', array(
      '!action' => !empty($bundle['overridden']) ? t('reset') : t('deleted'),
      '%bundle' => $bundle['title'],
    )));
    return TRUE;
  } catch (Exception $e) {
    drupal_set_message(t('An error occurred while attempting to !action the icon bundle "%bundle":<br /><code>@message</code>', array(
      '!action' => !empty($bundle['overridden']) ? t('reset') : t('delete'),
      '%bundle' => $bundle['title'],
      '@message' => $e
        ->getMessage(),
    )), 'error');
  }
  return FALSE;
}

/**
 * Disable the icon bundle that matches {icon_bundle}.name in the database.
 *
 * @param array $bundle
 *   The icon bundle array.
 *
 * @return bool
 *   TRUE if successful, FALSE if the bundle is already disabled or on failure.
 */
function icon_bundle_disable(array $bundle = array()) {
  $bundle['status'] = 0;
  if (icon_bundle_save($bundle)) {
    drupal_set_message(t('The icon bundle %bundle has been disabled.', array(
      '%bundle' => $bundle['name'],
    )));
    icon_clear_all_caches();
    return TRUE;
  }
  drupal_set_message(t('An error occurred while attemping to disable the icon bundle: %bundle.', array(
    '%bundle' => $bundle['name'],
  )), 'error');
  return FALSE;
}

/**
 * Enable the icon bundle that matches {icon_bundle}.name in the database.
 *
 * @param array $bundle
 *   The icon bundle array.
 *
 * @return bool
 *   TRUE if successful, FALSE if the bundle is already enabled or on failure.
 */
function icon_bundle_enable(array $bundle = array()) {
  $bundle['status'] = 1;
  if (icon_bundle_save($bundle)) {
    drupal_set_message(t('The icon bundle %bundle has been enabled.', array(
      '%bundle' => $bundle['name'],
    )));
    icon_clear_all_caches();
    return TRUE;
  }
  drupal_set_message(t('An error occurred while attemping to enable the icon bundle: %bundle.', array(
    '%bundle' => $bundle['name'],
  )), 'error');
  return FALSE;
}

/**
 * Helper function to return the proper theme.
 *
 * Necessary for displaying a list of icons of a specific bundle.
 */
function icon_bundle_get_theme($bundle, $global = FALSE) {
  $theme = \Drupal::theme()
    ->getActiveTheme()
    ->getName();
  return !empty($bundle['theme']) && !$global ? $bundle['theme'] : $theme;
}

/**
 * Helper function to return the page title for bundles.
 */
function icon_bundle_get_title($bundle) {
  return !empty($bundle['title']) ? $bundle['title'] : t('Bundle');
}

/**
 * Load a specific bundle.
 *
 * @param string $name
 *   The name of the bundle to load.
 *
 * @return array
 *   An associative array of bundle information as returned from
 *   icon_bundles().
 */
function icon_bundle_load($name) {
  $loaded =& drupal_static(__FUNCTION__, array());
  if (empty($loaded[$name])) {
    $loaded[$name] = icon_bundles($name);
  }
  return $loaded[$name];
}

/**
 * Save an icon bundle in the {icon_bundle} table.
 *
 * @param array $bundle
 *   The icon bundle array.
 *
 * @return int|false
 *   If the save failed, returns FALSE. If successful, returns SAVED_NEW or
 *   SAVED_UPDATED, depending on the drupal_write_record() operation
 *   that was performed.
 */
function icon_bundle_save(array $bundle = array()) {
  if (empty($bundle['name'])) {
    return FALSE;
  }

  // Allow extensions to alter the bundle before it's saved.
  \Drupal::moduleHandler()
    ->alter('icon_bundle_save', $bundle);
  $primary_keys = array();
  $record = array(
    'name' => $bundle['name'],
  );
  $existing_bundle = icon_bundle_load($bundle['name']);
  if (!$existing_bundle) {
    $existing_bundle = array();
  }

  // If the existing bundle is from the database, update the record.
  if (!empty($existing_bundle['database'])) {
    $primary_keys[] = 'name';
  }

  // Determine if there are differences between an existing bundle and this one.
  $diff = icon_array_diff_recursive($existing_bundle, $bundle);

  // If the status has changed, update the status field.
  if (isset($diff['status'])) {
    $record['status'] = (int) $bundle['status'];

    // Remove status from $diff to determine if anything else needs to be saved.
    unset($diff['status']);
  }

  // If there are still differences, replace the entire {icon_bundle}.bundle
  // field with the updated bundle array.
  if (!empty($diff)) {
    $record['bundle'] = $bundle;
  }

  // Only write to the database if the record exists and needs to be saved.
  if (isset($record['status']) || isset($record['bundle'])) {
    $status = \Drupal::database()
      ->merge('icon_bundle')
      ->key(array(
      'name' => $record['name'],
    ))
      ->fields(array(
      'bundle' => $record['bundle'],
      'status' => $record['status'],
    ))
      ->execute();
    if ($status) {
      icon_clear_all_caches();
      return $status;
    }
  }
  return FALSE;
}

/**
 * Default properties for a provider definition.
 *
 * @param array $provider
 *   An associative array of provider information, passed by reference.
 * @param string $name
 *   The machine name of the provider.
 *
 * @return array|false
 *   An associative array containing information about a provider
 */
function icon_provider_defaults(&$provider = array(), $name = '') {
  $provider += array(
    'default bundle' => array(),
    'name' => $name,
    'title' => $name,
    'url' => '',
  );
  return $provider;
}

/**
 * Returns information about all icon providers.
 *
 * @param string $name
 *   The name of the provider to load.
 * @param bool $reset
 *   Boolean to force reset of the cached data. Default: FALSE.
 *
 * @return array|false
 *   An associative array containing information for all providers.
 *
 * @see hook_icon_info()
 */
function icon_providers($name = NULL, $reset = FALSE) {
  $providers =& drupal_static(__FUNCTION__);
  if (!isset($providers) || $reset) {
    if (!$reset && ($cache = \Drupal::cache()
      ->get('icon_providers')) && !empty($cache->data)) {
      $providers = $cache->data;
    }
    else {
      $providers = array();

      // Invoke hook_icon_providers().
      foreach (icon_extension_implements('icon_providers') as $extension => $type) {
        $extension_providers = (array) icon_extension_invoke($type, $extension, 'icon_providers');
        foreach ($extension_providers as $provider_name => $provider) {
          if ($provider_name === 'automatic') {
            drupal_set_message(t('The !type %extension tried to specify a provider with the name: %name. This is a reserved name and cannot be used, please rename your provider.', array(
              '!type' => $type,
              '%extension' => $extension,
              '%name' => $provider_name,
            )), 'warning');
            continue;
          }
          icon_provider_defaults($provider, $provider_name);
          $provider['name'] = $provider_name;
          $provider['type'] = $type;
          $provider[$type] = $extension;
          $providers[$provider_name] = $provider;
        }
      }

      // Allow extensions to alter the providers.
      \Drupal::moduleHandler()
        ->alter('icon_providers', $providers);

      // Cache the info.
      \Drupal::cache()
        ->set('icon_providers', $providers);
    }
  }
  if (!empty($name)) {
    if (!empty($providers[$name])) {
      return $providers[$name];
    }
    return FALSE;
  }
  return $providers;
}

/**
 * Returns information about whether a provider supports importing.
 *
 * @todo make this "JSON importing"?
 *
 * @param string $name
 *   The name of the provider to load.
 *
 * @return array|false
 *   Returns an array of providers that support importing or just $name if it
 *   was provided. Returns FALSE if there are no providers or specific $name
 *   does not exist.
 */
function icon_providers_support_import($name = NULL) {
  $providers =& drupal_static(__FUNCTION__);
  if (!isset($providers)) {
    $providers = array();
    foreach (icon_providers() as $provider) {
      if (icon_extension_hook($provider['type'], $provider[$provider['type']], 'icon_' . $provider['name'] . '_import_validate') && icon_extension_hook($provider['type'], $provider[$provider['type']], 'icon_' . $provider['name'] . '_import_process')) {
        $providers[$provider['name']] = $provider;
      }
    }
  }
  if (!empty($name)) {
    if (!empty($providers[$name])) {
      return $providers[$name];
    }
    return FALSE;
  }
  return $providers;
}

/**
 * Load a specific provider.
 *
 * @param string $name
 *   The name of the provider to load.
 *
 * @return array
 *   An associative array of provider information as returned from
 *   icon_providers().
 */
function icon_provider_load($name) {
  $loaded =& drupal_static(__FUNCTION__, array());
  if (empty($loaded[$name])) {
    if (($cache = \Drupal::cache('cache_icon_providers')
      ->get($name)) && !empty($cache->data)) {
      $loaded[$name] = $cache->data;
    }
    else {
      $provider = icon_providers($name);
      \Drupal::cache('cache_icon_providers')
        ->set($name, $provider);
      $loaded[$name] = $provider;
    }
  }
  return $loaded[$name];
}
Functions

Name	Description
icon_bundles	Returns information about all icon bundles.
icon_bundle_defaults	Default properties for a bundle definition.
icon_bundle_delete	Delete the icon bundle that matches {icon_bundle}.name in the database.
icon_bundle_disable	Disable the icon bundle that matches {icon_bundle}.name in the database.
icon_bundle_enable	Enable the icon bundle that matches {icon_bundle}.name in the database.
icon_bundle_get_theme	Helper function to return the proper theme.
icon_bundle_get_title	Helper function to return the page title for bundles.
icon_bundle_load	Load a specific bundle.
icon_bundle_save	Save an icon bundle in the {icon_bundle} table.
icon_hook_info	Implements hook_hook_info().
icon_library	Implements hook_library().
icon_providers	Returns information about all icon providers.
icon_providers_support_import	Returns information about whether a provider supports importing.
icon_provider_defaults	Default properties for a provider definition.
icon_provider_load	Load a specific provider.
icon_render_hooks	Returns information about icons render hooks.
Constants

Name	Description
ICON_ADMIN_PATH
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icon.module in Icon API 8

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