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<?php |
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/** |
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* Phossa Project |
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* |
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* PHP version 5.4 |
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* |
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* @category Library |
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* @package Phossa2\Event |
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* @copyright Copyright (c) 2016 phossa.com |
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* @license http://mit-license.org/ MIT License |
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* @link http://www.phossa.com/ |
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*/ |
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/*# declare(strict_types=1); */ |
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namespace Phossa2\Event\Traits; |
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use Phossa2\Shared\Shareable\ShareableTrait; |
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use Phossa2\Event\Interfaces\EventManagerInterface; |
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/** |
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* SharedManagerTrait |
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* |
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* Support for shared managers using ShareableTrait |
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* |
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* ```php |
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* // one event manager instance |
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* $event_dispatcher = new EventDispatcher(); |
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* |
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* // global event manager, default scope is '' |
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* $globalManager = EventDispatcher::getShareable(); |
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* |
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* // shared manager for a scope, say 'MVC' |
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* $MvcManager = EventDispatcher::getShareable('MVC'); |
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* |
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* // class/interface level shared manager |
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* $classManager = EventDispatcher::getShareable('Phossa\\Config\\Config'); |
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* ``` |
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* |
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* @package Phossa2\Event |
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* @author Hong Zhang <[email protected]> |
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* @see SharedManagerInterface |
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* @version 2.0.0 |
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* @since 2.0.0 added |
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*/ |
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trait SharedManagerTrait |
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{ |
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use ShareableTrait; |
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/** |
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* {@inheritDoc} |
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*/ |
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public static function onEvent( |
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$scope, |
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/*# string */ $eventName, |
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callable $callable, |
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/*# int */ $priority = 50 |
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) { |
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foreach ((array) $scope as $sc) { |
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/* @var $em EventManagerInterface */ |
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$em = static::getShareable($sc); |
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$em->on($eventName, $callable, $priority); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public static function offEvent( |
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$scope, |
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/*# string */ $eventName, |
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callable $callable = null |
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) { |
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foreach ((array) $scope as $sc) { |
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/* @var $em EventManagerInterface */ |
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$em = static::getShareable($sc); |
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$em->off($eventName, $callable); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public static function onGlobalEvent( |
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/*# string */ $eventName, |
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callable $callable, |
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/*# int */ $priority = 50 |
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) { |
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// scope '' means GLOBAL |
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static::onEvent('', $eventName, $callable, $priority); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public static function offGlobalEvent( |
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/*# string */ $eventName, |
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callable $callable = null |
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) { |
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// scope '' means GLOBAL |
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static::offEvent('', $eventName, $callable); |
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} |
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/** |
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* Override `getOwnScopes()` in ShareableTrait |
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* |
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* For $this's own scopes, looking for any parent class or interface in |
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* all the available scopes. |
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* |
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* {@inheritDoc} |
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*/ |
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protected function getOwnScopes()/*# : array */ |
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{ |
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// result |
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$result = []; |
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// all scopes avaible |
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$allScopes = static::getScopes(); |
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// loop thru own scopes |
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foreach ($this->scopes as $scope) { |
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$result[$scope] = true; |
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$this->isSubType($scope, $allScopes, $result); |
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} |
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// alway add global scope |
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$result[''] = true; |
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return array_keys($result); |
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} |
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/** |
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* Is $type a classname or interface name ? |
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* |
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* @param string $type |
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* @return bool |
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* @access protected |
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*/ |
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protected function isAType(/*# string */ $type)/*# : bool */ |
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{ |
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return class_exists($type) || interface_exists($type); |
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} |
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/** |
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* is $childType child type of one of the $typesToCheck. |
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* |
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* Returns the matched types |
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* |
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* @param string $childType |
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* @param array $typesToCheck |
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* @param array &$result |
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* @access protected |
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*/ |
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protected function isSubType( |
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/*# string */ $childType, |
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array $typesToCheck, |
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array &$result |
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)/*# : bool */ { |
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foreach ($typesToCheck as $type) { |
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if ($this->isAType($childType) && |
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$this->isAType($type) && |
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is_a($childType, $type, true) |
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) { |
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$result[$type] = true; |
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} |
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} |
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} |
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} |
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phossa2 /
event
