icingaweb2/library/Icinga/Web/Controller/ControllerTabCollector.php

98 lines
3.4 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Controller;
use Icinga\Application\Modules\Module;
use Icinga\Application\Icinga;
use Icinga\Web\Widget\Tabs;
/**
* Static helper class that collects tabs provided by the 'createProvidedTabs' method of controllers
*/
class ControllerTabCollector
{
/**
* Scan all controllers with given name in the application and (loaded) module folders and collects their provided
* tabs
*
* @param string $controllerName The name of the controllers to use for tab collection
*
* @return Tabs A {@link Tabs} instance containing the application tabs first followed by the
* tabs provided from the modules
*/
public static function collectControllerTabs($controllerName)
{
$controller = '\Icinga\\' . Dispatcher::CONTROLLER_NAMESPACE . '\\' . $controllerName;
$applicationTabs = $controller::createProvidedTabs();
$moduleTabs = self::collectModuleTabs($controllerName);
$tabs = new Tabs();
foreach ($applicationTabs as $name => $tab) {
$tabs->add($name, $tab);
}
foreach ($moduleTabs as $name => $tab) {
// Don't overwrite application tabs if the module wants to
if ($tabs->has($name)) {
continue;
}
$tabs->add($name, $tab);
}
return $tabs;
}
/**
* Collect module tabs for all modules containing the given controller
*
* @param string $controller The controller name to use for tab collection
*
* @return array An array of Tabs objects or arrays containing Tab descriptions
*/
private static function collectModuleTabs($controller)
{
$moduleManager = Icinga::app()->getModuleManager();
$modules = $moduleManager->listEnabledModules();
$tabs = array();
foreach ($modules as $module) {
$tabs += self::createModuleConfigurationTabs($controller, $moduleManager->getModule($module));
}
return $tabs;
}
/**
* Collects the tabs from the createProvidedTabs() method in the configuration controller
*
* If the module doesn't have the given controller or createProvidedTabs method in the controller an empty array
* will be returned
*
* @param string $controllerName The name of the controller that provides tabs via createProvidedTabs
* @param Module $module The module instance that provides the controller
*
* @return array
*/
private static function createModuleConfigurationTabs($controllerName, Module $module)
{
// TODO(el): Only works for controllers w/o namepsace: https://dev.icinga.com/issues/4149
$controllerDir = $module->getControllerDir();
$name = $module->getName();
$controllerDir = $controllerDir . '/' . $controllerName . '.php';
$controllerName = ucfirst($name) . '_' . $controllerName;
if (is_readable($controllerDir)) {
require_once(realpath($controllerDir));
if (! method_exists($controllerName, 'createProvidedTabs')) {
return array();
}
$tab = $controllerName::createProvidedTabs();
if (! is_array($tab)) {
$tab = array($name => $tab);
}
return $tab;
}
return array();
}
}