/**
* Include files with APUs and load required data layer methods
*
* @param array $_required_apu list of APU names
* @param bool $add_controler_dl load also data layer methods required by page controler?
* @return none
* @access private
*/
function _apu_require($_required_apu, $add_controler_dl = true)
{
global $data, $_SERWEB;
static $_loaded_apu = array();
$required_data_layer = array();
$loaded_modules = getLoadedModules();
foreach ($_required_apu as $item) {
if (false === array_search($item, $_loaded_apu)) {
//if required apu isn't loaded yet, load it
$file_found = false;
//try found apu in loaded modules
foreach ($loaded_modules as $module) {
if (file_exists($_SERWEB["modulesdir"] . $module . "/" . $item . ".php")) {
require_once $_SERWEB["modulesdir"] . $module . "/" . $item . ".php";
$file_found = true;
break;
}
}
// if apu was not found in modules, requere the one from 'application_layer' directory
if (!$file_found) {
//require application unit
require_once $_SERWEB["appdir"] . $item . ".php";
}
$_loaded_apu[] = $item;
$required_data_layer = array_merge($required_data_layer, call_user_func(array($item, 'get_required_data_layer_methods')));
}
}
if ($add_controler_dl) {
$page_ctl_class = isset($GLOBALS['_page_controller_classname']) ? $GLOBALS['_page_controller_classname'] : 'page_conroler';
$required_data_layer = array_merge($required_data_layer, call_user_func(array($page_ctl_class, 'get_required_data_layer_methods')));
}
$data->add_method($required_data_layer);
}
/**
* Call function <module_name>_init() for each loaded module
*/
function init_modules()
{
$loaded_modules = getLoadedModules();
foreach ($loaded_modules as $module) {
init_module($module);
}
$GLOBALS['__modules_initiated__'] = true;
unset($loaded_modules);
}
/**
* dynamicaly agregate aditional methods
*/
function require_and_agregate_methods()
{
global $_data_layer_required_methods;
global $_SERWEB;
global $config;
if (!isset($_data_layer_required_methods) or !is_array($_data_layer_required_methods)) {
$_data_layer_required_methods = array();
}
$_data_layer_required_methods = array_merge($config->data_layer_always_required_functions, $_data_layer_required_methods);
$loaded_modules = getLoadedModules();
reset($_data_layer_required_methods);
while (list(, $item) = each($_data_layer_required_methods)) {
if (false === array_search($item, $this->_data_layer_loaded_methods)) {
//if required method isn't loaded yet, load it
$file_found = false;
//require class with method definition
if (file_exists($_SERWEB["datadir"] . "customized/method." . $item . ".php")) {
//if exists customized version of method, require it
require_once $_SERWEB["datadir"] . "customized/method." . $item . ".php";
$file_found = true;
}
if (!$file_found) {
//try found file in modules
foreach ($loaded_modules as $module) {
if (file_exists($_SERWEB["modulesdir"] . $module . "/method." . $item . ".php")) {
require_once $_SERWEB["modulesdir"] . $module . "/method." . $item . ".php";
$file_found = true;
break;
}
}
}
if (!$file_found) {
//otherwise require default version
require_once $_SERWEB["datadir"] . "method." . $item . ".php";
}
//agregate methods of required class to this object
my_aggregate_methods($this, "CData_Layer_" . $item);
//add method to $_data_layer_loaded_methods array
$this->_data_layer_loaded_methods[] = $item;
//add methods required by currently loaded method to $_data_layer_required_methods array
$class_methods = get_class_methods("CData_Layer_" . $item);
if (in_array('_get_required_methods', $class_methods)) {
$_data_layer_required_methods = array_merge($_data_layer_required_methods, call_user_func(array("CData_Layer_" . $item, '_get_required_methods')));
} else {
$class_vars = get_class_vars("CData_Layer_" . $item);
if (isset($class_vars['required_methods']) and is_array($class_vars['required_methods'])) {
$_data_layer_required_methods = array_merge($_data_layer_required_methods, $class_vars['required_methods']);
}
}
}
}
}
