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<?php |
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/** |
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* Bluz Framework Component |
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* |
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* @copyright Bluz PHP Team |
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* @link https://github.com/bluzphp/framework |
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*/ |
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/** |
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* @namespace |
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*/ |
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namespace Bluz\EventManager; |
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/** |
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* Representation of an event |
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* |
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* @package Bluz\EventManager |
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*/ |
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class Event |
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{ |
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/** |
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* @var string event name |
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*/ |
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protected $name; |
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/** |
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* @var string|object the event target |
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*/ |
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protected $target; |
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/** |
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* @var array|object the event parameters |
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*/ |
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protected $params = []; |
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/** |
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* Constructor |
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* |
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* Accept a target and its parameters. |
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* |
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* @param string $name Event name |
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* @param string|object $target |
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* @param array|object $params |
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*/ |
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public function __construct($name, $target = null, $params = null) |
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{ |
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$this->setName($name); |
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if (null !== $target) { |
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$this->setTarget($target); |
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} |
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if (null !== $params) { |
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$this->setParams($params); |
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} |
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} |
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/** |
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* Get event name |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* Get the event target |
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* |
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* This may be either an object, or the name of a static method. |
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* |
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* @return string|object |
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*/ |
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public function getTarget() |
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{ |
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return $this->target; |
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} |
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/** |
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* Overwrites parameters |
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* |
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* @param array|object $params |
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* @return Event |
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* @throws EventException |
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*/ |
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public function setParams($params) |
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{ |
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if (!is_array($params) && !is_object($params)) { |
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throw new EventException( |
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sprintf( |
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'Event parameters must be an array or object; received "%s"', |
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gettype($params) |
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) |
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); |
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} |
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$this->params = $params; |
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return $this; |
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} |
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/** |
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* Get all parameters |
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* |
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* @return array|object |
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*/ |
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public function getParams() |
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{ |
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return $this->params; |
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} |
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/** |
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* Get an individual parameter |
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* |
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* If the parameter does not exist, the $default value will be returned. |
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* |
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* @param string|int $name |
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* @param mixed $default |
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* @return mixed |
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*/ |
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public function getParam($name, $default = null) |
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{ |
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if (is_array($this->params)) { |
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// Check in params that are arrays or implement array access |
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return $this->params[$name] ?? $default; |
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} elseif (is_object($this->params)) { |
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// Check in normal objects |
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return $this->params->{$name} ?? $default; |
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} else { |
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// Wrong type, return default value |
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return $default; |
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} |
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} |
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/** |
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* Set the event name |
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* |
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* @param string $name |
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* @return Event |
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*/ |
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public function setName($name) |
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{ |
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$this->name = (string)$name; |
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return $this; |
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} |
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/** |
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* Set the event target/context |
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* |
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* @param null|string|object $target |
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* @return Event |
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*/ |
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public function setTarget($target) |
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{ |
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$this->target = $target; |
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return $this; |
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} |
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/** |
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* Set an individual parameter to a value |
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* |
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* @param string|int $name |
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* @param mixed $value |
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* @return Event |
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*/ |
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public function setParam($name, $value) |
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{ |
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if (is_array($this->params)) { |
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// Arrays or objects implementing array access |
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$this->params[$name] = $value; |
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} else { |
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// Objects |
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$this->params->{$name} = $value; |
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} |
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return $this; |
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} |
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} |
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bluzphp /
framework
