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2020-08-31 01:27:08 +08:00
parent d6d4027b0d
commit e4f01d9499
119 changed files with 12232 additions and 0 deletions
@@ -0,0 +1,145 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: whwyy
+ * Date: 2018/3/30 0030
+ * Time: 14:28
+ */
+
+namespace Snowflake\Abstracts;
+
+
+use Exception;
+
+/**
+ * Class Component
+ * @package BeReborn\Base
+ */
+class Component extends BaseObject
+{
+
+	/**
+	 * @var array
+	 */
+	private $_events = [];
+
+
+	/**
+	 * @param $name [事件名称]
+	 * @param $callback [回调函数]
+	 * @param array $param [函数参数]
+	 *
+	 * {
+	 *      事件名, 回调, 参数
+	 * }
+	 */
+	public function on($name, $callback, $param = [])
+	{
+		if (isset($this->_events[$name])) {
+			array_push($this->_events[$name], [$callback, $param]);
+		} else {
+			$this->_events[$name][] = [$callback, $param];
+		}
+	}
+
+	/**
+	 * @param $name
+	 * @param null $callback
+	 * @return bool
+	 */
+	public function hasEvent($name, $callback = null)
+	{
+		if (!isset($this->_events[$name])) {
+			return false;
+		}
+		if (!is_array($this->_events[$name])) {
+			return false;
+		}
+		foreach ($this->_events[$name] as $event) {
+			[$_callback, $param] = $event;
+			if ($_callback === $callback) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * @param $name
+	 * @param null $event
+	 * @param array $params
+	 * @param bool $isRemove
+	 * @throws Exception
+	 */
+	public function trigger($name, $event = null, $params = [], $isRemove = false)
+	{
+		if (isset($this->_events[$name])) {
+			$events = $this->_events[$name];
+			foreach ($events as $key => $_event) {
+				if (!empty($event)) {
+					$_event = $event;
+				}
+				call_user_func($_event, ...$params);
+				if ($isRemove) {
+					unset($this->_events[$name][$key]);
+					of($name, $_event);
+				}
+			}
+		}
+		fire($name, $event);
+	}
+
+	/**
+	 * @param $name
+	 * @param null $handler
+	 * @return mixed
+	 */
+	public function off($name, $handler = NULL)
+	{
+		if (!isset($this->_events[$name])) {
+			return of($name, $handler);
+		}
+
+		if (empty($handler)) {
+			unset($this->_events[$name]);
+
+			return of($name, $handler);
+		}
+
+		foreach ($this->_events[$name] as $key => $val) {
+			if ($val[0] != $handler) {
+				continue;
+			}
+			unset($this->_events[$name][$key]);
+
+			break;
+		}
+		return of($name, $handler);
+	}
+
+	/**
+	 */
+	public function offAll()
+	{
+		$this->_events = [];
+		ofAll();
+	}
+
+
+	/**
+	 * @param $name
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function __get($name)
+	{
+		$method = 'get' . ucfirst($name);
+		if (method_exists($this, $method)) {
+			return $this->$method();
+		} else if (property_exists($this, $name)) {
+			return $this->$name ?? null;
+		} else {
+			return parent::__get($name);
+		}
+	}
+}