From 7a7505193d8d49934895058b5ef0c010ad9ff399 Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Sat, 1 Dec 2018 21:42:22 +0100
Subject: [PATCH] Allow array multiple callbacks per trigger

---
 Event/EventManager.php | 37 +++++++++++++++++++++++++++++++++----
 1 file changed, 33 insertions(+), 4 deletions(-)

diff --git a/Event/EventManager.php b/Event/EventManager.php
index db5812a3a..5ed6a53c4 100644
--- a/Event/EventManager.php
+++ b/Event/EventManager.php
@@ -14,6 +14,8 @@ declare(strict_types=1);
 
 namespace phpOMS\Event;
 
+use phpOMS\Dispatcher\Dispatcher;
+
 /**
  * EventManager class.
  *
@@ -42,6 +44,31 @@ final class EventManager
      */
     private $callbacks = [];
 
+    /**
+     * Dispatcher.
+     *
+     * @var Dispatcher|Object<dispatch>
+     * @since 1.0.0
+     */
+    private $dispatcher = null;
+
+    /**
+     * Constructor.
+     *
+     * @param Dispatcher $dispatcher Dispatcher
+     *
+     * @since  1.0.0
+     */
+    public function __construct(Dispatcher $dispatcher = null)
+    {
+        $this->dispatcher = $dispatcher ?? new class {
+            function dispatch($func, array $data)
+            {
+                $func(...$data);
+            }
+        };
+    }
+
     /**
      * Attach new event
      *
@@ -56,11 +83,11 @@ final class EventManager
      */
     public function attach(string $group, $callback, bool $remove = false, bool $reset = false) : bool
     {
-        if (isset($this->callbacks[$group])) {
-            return false;
+        if (!isset($this->callbacks[$group])) {
+            $this->callbacks[$group] = ['remove' => $remove, 'reset' => $reset, 'callbacks' => []];
         }
 
-        $this->callbacks[$group] = ['remove' => $remove, 'reset' => $reset, 'func' => $callback];
+        $this->callbacks[$group]['callbacks'][] = $callback;
 
         return true;
     }
@@ -112,7 +139,9 @@ final class EventManager
         }
 
         if (!$this->hasOutstanding($group)) {
-            $this->callbacks[$group]['func']($data);
+            foreach ($this->callbacks[$group]['callbacks'] as $func) {
+                $this->dispatcher->disptach($func, ...$data);
+            }
 
             if ($this->callbacks[$group]['remove']) {
                 $this->detach($group);