function load_child_plugins($data, $index, $parent_id, $level)
{
$parent_id = $parent_id === NULL ? "NULL" : $parent_id;
// load this plugin
$plugin = $data[$parent_id];
// require plugin class
$plugin_path = ROOT_PATH . 'plugins/' . $plugin->getName() . '/plugin.php';
if (file_exists($plugin_path)) {
require_once $plugin_path;
// init plugin class
$className = $plugin->getClassName();
$pluginClass = new $className();
} else {
$pluginClass = new DatawrapperPlugin($plugin->getName());
}
// but before we load the required libraries
foreach ($pluginClass->getRequiredLibraries() as $lib) {
require_once ROOT_PATH . 'plugins/' . $plugin->getName() . '/' . $lib;
}
$pluginClass->init();
if (isset($index[$parent_id])) {
foreach ($index[$parent_id] as $id) {
load_child_plugins($data, $index, $id, $level + 1);
}
}
}
function load_plugin($plugin)
{
$plugin_path = ROOT_PATH . 'plugins/' . $plugin->getName() . '/plugin.php';
if (file_exists($plugin_path)) {
require $plugin_path;
// init plugin class
$className = $plugin->getClassName();
$pluginClass = new $className();
} else {
$pluginClass = new DatawrapperPlugin($plugin->getName());
}
// but before we load the libraries required by this lib
foreach ($pluginClass->getRequiredLibraries() as $lib) {
require_once ROOT_PATH . 'plugins/' . $plugin->getName() . '/' . $lib;
}
$pluginClass->init();
return $pluginClass;
}
public static function load()
{
if (defined('NO_SESSION')) {
$plugins = PluginQuery::create()->distinct()->filterByEnabled(true)->filterByIsPrivate(false)->find();
} else {
$plugins = self::getUserPlugins(DatawrapperSession::getUser()->getId());
}
$not_loaded_yet = array();
foreach ($plugins as $plugin) {
if (!isset(self::$loaded[$plugin->getId()])) {
$not_loaded_yet[] = $plugin;
}
}
$could_not_install = array();
$init_queue = array();
$load_plugin = function ($plugin) use(&$init_queue) {
$plugin_path = ROOT_PATH . 'plugins/' . $plugin->getName();
// first if this plugin uses composer, require the autoloader
if (file_exists($plugin_path . '/vendor/autoload.php')) {
require_once $plugin_path . '/vendor/autoload.php';
}
if (file_exists($plugin_path . '/plugin.php')) {
require_once $plugin_path . '/plugin.php';
// init plugin class
$className = $plugin->getClassName();
$pluginClass = new $className();
} else {
$pluginClass = new DatawrapperPlugin($plugin->getName());
if (file_exists($plugin_path . '/init.php')) {
$pluginClass->injectInitFunction(function ($plugin) use($plugin_path) {
include_once $plugin_path . '/init.php';
});
}
}
// then, lets also load the libraries required by this lib
// this is DEPRECATED, all new plugins should use the autoload
// method using composer or similar
foreach ($pluginClass->getRequiredLibraries() as $lib) {
require_once $plugin_path . '/' . $lib;
}
$init_queue[] = $pluginClass;
return $pluginClass;
};
while (count($not_loaded_yet) > 0) {
$try = $not_loaded_yet;
$not_loaded_yet = array();
while (count($try) > 0) {
$plugin = array_shift($try);
$id = $plugin->getId();
$deps = $plugin->getDependencies();
unset($deps['core']);
// ignore core dependency
$can_load = true;
if (is_array($deps)) {
foreach ($deps as $dep => $version) {
if (!isset(self::$loaded[$dep])) {
// dependency not loaded
$can_load = false;
if (!file_exists(ROOT_PATH . 'plugins/' . $dep) || isset($could_not_install[$dep])) {
// dependency does not exists, not good
$could_not_install[$id] = true;
}
break;
}
}
}
if (isset(self::$loaded[$id]) && self::$loaded[$id]) {
// plugin already loaded by now
continue;
}
if ($can_load) {
// load plugin
self::$loaded[$id] = true;
self::$instances[$id] = $load_plugin($plugin);
} else {
if (!isset($could_not_install[$id])) {
$not_loaded_yet[] = $plugin;
// so try next time
}
}
}
}
// now initialize all plugins
while (count($init_queue) > 0) {
$pluginClass = array_shift($init_queue);
$pluginClass->init();
}
}
