/**
* Load extension from directory
*
* @param null|FW_Extension $parent
* @param array $all_extensions_tree
* @param FW_Extension[] $all_extensions
* @param string $dir
* @param string $URI
* @var int $current_depth
*/
private static function load_extensions($dir, &$parent, &$all_extensions_tree, &$all_extensions, $URI, $current_depth)
{
$dirs = glob($dir . '/*', GLOB_ONLYDIR);
if (empty($dirs)) {
return;
}
foreach ($dirs as $extension_dir) {
$extension_name = basename($extension_dir);
if (isset($all_extensions_tree[$extension_name])) {
if ($all_extensions[$extension_name]->get_parent() !== $parent) {
// extension with the same name exists in another tree
trigger_error('Extension "' . $extension_name . '" already loaded', E_USER_ERROR);
}
// this is not original extension, it contains only settings, has no class
self::load_extensions($extension_dir . '/extensions', $all_extensions[$extension_name], $all_extensions_tree[$extension_name], $all_extensions, $URI, $current_depth + 1);
} else {
$class_file_name = 'class-fw-extension-' . $extension_name . '.php';
if (file_exists($extension_dir . '/' . $class_file_name)) {
$all_extensions_tree[$extension_name] = array();
self::$extension_to_all_tree[$extension_name] =& $all_extensions_tree[$extension_name];
require $extension_dir . '/' . $class_file_name;
$class_name = 'FW_Extension_' . fw_dirname_to_classname($extension_name);
$all_extensions[$extension_name] = new $class_name($parent, $extension_dir, self::$current_declaring_source, $URI, $current_depth);
if (!$all_extensions[$extension_name] instanceof FW_Extension) {
trigger_error('Extension "' . $extension_name . '" should extend FW_Extension class', E_USER_ERROR);
}
} elseif (file_exists($extension_dir . '/manifest.php')) {
/**
* extension class does not exists, but exists manifest, create an instance of default class
*/
$all_extensions_tree[$extension_name] = array();
self::$extension_to_all_tree[$extension_name] =& $all_extensions_tree[$extension_name];
$default_class_name = 'FW_Extension_Default';
// check if parent class defined custom Default class for it's children extensions
$parent_class_name = get_class($parent);
if (class_exists($parent_class_name . '_Default')) {
$default_class_name = $parent_class_name . '_Default';
}
$all_extensions[$extension_name] = new $default_class_name($parent, $extension_dir, self::$current_declaring_source, $URI, $current_depth);
} else {
/**
* class or manifest does not exists, do not load this extension
* maybe it's a directory with configurations for a not existing extension
*/
continue;
}
self::load_extensions($all_extensions[$extension_name]->get_declared_path() . '/extensions', $all_extensions[$extension_name], $all_extensions_tree[$extension_name], $all_extensions, $URI, $current_depth + 1);
}
}
}
/**
* @internal
*/
public function _action_widgets_init()
{
$paths = array();
if (FW_CT) {
$paths[] = FW_CT_CUSTOM_DIR . '/theme/widgets';
}
$paths[] = FW_PT_CUSTOM_DIR . '/theme/widgets';
$included_widgets = array();
foreach ($paths as $path) {
$dirs = glob($path . '/*', GLOB_ONLYDIR);
if (!$dirs) {
continue;
}
foreach ($dirs as $dir_path) {
$dirname = basename($dir_path);
if (isset($included_widgets[$dirname])) {
// this happens when a widget in child theme wants to overwrite the widget from parent theme
continue;
} else {
$included_widgets[$dirname] = true;
}
fw_include_file_isolated($dir_path . '/class-fw-widget-' . $dirname . '.php');
register_widget('FW_Widget_' . fw_dirname_to_classname($dirname));
}
}
}
/**
* Load extension from directory
*
* @param array $data
*/
private static function load_extensions($data)
{
if (false) {
$data = array('rel_path' => '/extension', 'path' => '/path/to/extension', 'uri' => 'https://uri.to/extension', 'customizations_locations' => array('/path/to/parent/theme/customizations/extensions/ext/rel/path' => 'https://uri.to/customization/path', '/path/to/child/theme/customizations/extensions/ext/rel/path' => 'https://uri.to/customization/path'), 'all_extensions_tree' => array(), 'all_extensions' => array(), 'current_depth' => 1, 'parent' => '&$parent_extension_instance');
}
/**
* Do not check all keys
* if one not set, then sure others are not set (this is a private method)
*/
if (!isset($data['all_extensions_tree'])) {
$data['all_extensions_tree'] =& self::$all_extensions_tree;
$data['all_extensions'] =& self::$all_extensions;
$data['current_depth'] = 1;
$data['rel_path'] = '';
$data['parent'] = null;
}
$dirs = glob($data['path'] . '/*', GLOB_ONLYDIR);
if (empty($dirs)) {
return;
}
if ($data['current_depth'] > 1) {
$customizations_locations = array();
foreach ($data['customizations_locations'] as $customization_path => $customization_uri) {
$customizations_locations[$customization_path . '/extensions'] = $customization_uri . '/extensions';
}
$data['customizations_locations'] = $customizations_locations;
}
foreach ($dirs as $extension_dir) {
$extension_name = basename($extension_dir);
$customizations_locations = array();
foreach ($data['customizations_locations'] as $customization_path => $customization_uri) {
$customizations_locations[$customization_path . '/' . $extension_name] = $customization_uri . '/' . $extension_name;
}
if (isset($data['all_extensions'][$extension_name])) {
if ($data['all_extensions'][$extension_name]->get_parent() !== $data['parent']) {
// extension with the same name exists in another tree
trigger_error('Extension "' . $extension_name . '" is already defined ' . 'in "' . $data['all_extensions'][$extension_name]->get_declared_path() . '" ' . 'found again in "' . $extension_dir . '"', E_USER_ERROR);
}
// this is a directory with customizations for an extension
self::load_extensions(array('rel_path' => $data['rel_path'] . '/' . $extension_name . '/extensions', 'path' => $data['path'] . '/' . $extension_name . '/extensions', 'uri' => $data['uri'] . '/' . $extension_name . '/extensions', 'customizations_locations' => $customizations_locations, 'all_extensions_tree' => &$data['all_extensions_tree'][$extension_name], 'all_extensions' => &$data['all_extensions'], 'current_depth' => $data['current_depth'] + 1, 'parent' => &$data['all_extensions'][$extension_name]));
} else {
$class_file_name = 'class-fw-extension-' . $extension_name . '.php';
if (file_exists($extension_dir . '/manifest.php')) {
$data['all_extensions_tree'][$extension_name] = array();
self::$extension_to_all_tree[$extension_name] =& $data['all_extensions_tree'][$extension_name];
if (fw_include_file_isolated($extension_dir . '/' . $class_file_name)) {
$class_name = 'FW_Extension_' . fw_dirname_to_classname($extension_name);
} else {
$parent_class_name = get_class($data['parent']);
// check if parent extension has been defined custom Default class for its child extensions
if (class_exists($parent_class_name . '_Default')) {
$class_name = $parent_class_name . '_Default';
} else {
$class_name = 'FW_Extension_Default';
}
}
if (!is_subclass_of($class_name, 'FW_Extension')) {
trigger_error('Extension "' . $extension_name . '" must extend FW_Extension class', E_USER_ERROR);
}
$data['all_extensions'][$extension_name] = new $class_name(array('rel_path' => $data['rel_path'] . '/' . $extension_name, 'path' => $data['path'] . '/' . $extension_name, 'uri' => $data['uri'] . '/' . $extension_name, 'parent' => $data['parent'], 'depth' => $data['current_depth'], 'customizations_locations' => $customizations_locations));
} else {
/**
* The manifest file does not exist, do not load this extension.
* Maybe it's a directory with configurations for a not existing extension.
*/
continue;
}
self::load_extensions(array('rel_path' => $data['all_extensions'][$extension_name]->get_rel_path() . '/extensions', 'path' => $data['all_extensions'][$extension_name]->get_path() . '/extensions', 'uri' => $data['all_extensions'][$extension_name]->get_uri() . '/extensions', 'customizations_locations' => $customizations_locations, 'parent' => &$data['all_extensions'][$extension_name], 'all_extensions_tree' => &$data['all_extensions_tree'][$extension_name], 'all_extensions' => &$data['all_extensions'], 'current_depth' => $data['current_depth'] + 1));
}
}
}
/**
* Load extension from directory
*
* @param null|FW_Extension $parent
* @param array $all_extensions_tree
* @param FW_Extension[] $all_extensions
* @param string $dir
* @param string $URI
* @var int $current_depth
*/
private static function load_extensions($dir, &$parent, &$all_extensions_tree, &$all_extensions, $URI, $current_depth)
{
$dirs = glob($dir . '/*', GLOB_ONLYDIR);
if (empty($dirs)) {
return;
}
foreach ($dirs as $extension_dir) {
$extension_name = basename($extension_dir);
if (isset($all_extensions[$extension_name])) {
if ($all_extensions[$extension_name]->get_parent() !== $parent) {
// extension with the same name exists in another tree
trigger_error('Extension "' . $extension_name . '" is already defined ' . 'in "' . $all_extensions[$extension_name]->get_declared_path() . '" ' . 'found again in "' . $extension_dir . '"', E_USER_ERROR);
}
// this is a directory with customizations for an extension
self::load_extensions($extension_dir . '/extensions', $all_extensions[$extension_name], $all_extensions_tree[$extension_name], $all_extensions, $URI, $current_depth + 1);
} else {
$class_file_name = 'class-fw-extension-' . $extension_name . '.php';
if (file_exists($extension_dir . '/manifest.php')) {
$all_extensions_tree[$extension_name] = array();
self::$extension_to_all_tree[$extension_name] =& $all_extensions_tree[$extension_name];
if (file_exists($extension_dir . '/' . $class_file_name)) {
$class_name = 'FW_Extension_' . fw_dirname_to_classname($extension_name);
require $extension_dir . '/' . $class_file_name;
} else {
$parent_class_name = get_class($parent);
// check if parent extension has been defined custom Default class for its child extensions
if (class_exists($parent_class_name . '_Default')) {
$class_name = $parent_class_name . '_Default';
} else {
$class_name = 'FW_Extension_Default';
}
}
if (!is_subclass_of($class_name, 'FW_Extension')) {
trigger_error('Extension "' . $extension_name . '" must extend FW_Extension class', E_USER_ERROR);
}
$all_extensions[$extension_name] = new $class_name($parent, $extension_dir, self::$current_declaring_source, $URI, $current_depth);
} else {
/**
* The manifest file does not exist, do not load this extension.
* Maybe it's a directory with configurations for a not existing extension.
*/
continue;
}
self::load_extensions($all_extensions[$extension_name]->get_declared_path() . '/extensions', $all_extensions[$extension_name], $all_extensions_tree[$extension_name], $all_extensions, $URI, $current_depth + 1);
}
}
}