Implement Events #8

composer.json

@@ -24,10 +24,8 @@
         "symfony/console": "4.0.4",
         "symfony/filesystem": "4.0.4",
         "symfony/finder": "4.0.4",
-        "symfony/event-dispatcher": "4.0.5",
         "pimple/pimple": "3.2.3",
         "force/session" : "*",
-        "force/shortcode" : "*",
         "force/arr" : "*",
         "force/http" : "*",
         "force/token" : "*",

rawilum/Events.php

@@ -0,0 +1,102 @@
+<?php
+namespace Rawilum;
+
+use Arr;
+
+/**
+ * This file is part of the Rawilum.
+ *
+ * (c) Romanenko Sergey / Awilum <awilum@msn.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Events
+{
+    /**
+     * @var Rawilum
+     */
+    protected $rawilum;
+
+    /**
+     * Events
+     *
+     * @var array
+     * @access protected
+     */
+    protected $events = [];
+
+    /**
+     * Construct
+     */
+    public function __construct(Rawilum $c)
+    {
+        $this->rawilum = $c;
+    }
+
+    /**
+     *  Hooks a function on to a specific event.
+     *
+     * @access public
+     * @param string  $event_name     Event name
+     * @param mixed   $added_function Added function
+     * @param integer $priority       Priority. Default is 10
+     * @param array   $args           Arguments
+     */
+    public function addListener(string $event_name, $added_function, int $priority = 10, array $args = null)
+    {
+        // Hooks a function on to a specific event.
+        $this->events[] = array(
+                        'event_name' => $event_name,
+                        'function'    => $added_function,
+                        'priority'    => $priority,
+                        'args'        => $args
+        );
+    }
+
+    /**
+     * Run functions hooked on a specific event.
+     *
+     * @access public
+     * @param string  $event_name  Event name
+     * @param array   $args        Arguments
+     * @param boolean $return      Return data or not. Default is false
+     * @return mixed
+     */
+    public function dispatch(string $event_name, array $args = [], bool $return = false)
+    {
+        // Redefine arguments
+        $event_name  =  $event_name;
+        $return      =  $return;
+
+        // Run event
+        if (count($this->events) > 0) {
+
+            // Sort actions by priority
+            $events = Arr::subvalSort($this->events, 'priority');
+
+            // Loop through $events array
+            foreach ($events as $action) {
+
+                // Execute specific action
+                if ($action['event_name'] == $event_name) {
+                    // isset arguments ?
+                    if (isset($args)) {
+                        // Return or Render specific action results ?
+                        if ($return) {
+                            return call_user_func_array($action['function'], $args);
+                        } else {
+                            call_user_func_array($action['function'], $args);
+                        }
+                    } else {
+                        if ($return) {
+                            return call_user_func_array($action['function'], $action['args']);
+                        } else {
+                            call_user_func_array($action['function'], $action['args']);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

rawilum/Rawilum.php

@@ -4,8 +4,6 @@ namespace Rawilum;
 use Pimple\Container as Container;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\Finder\Finder;
-use Symfony\Component\EventDispatcher\EventDispatcher;
-use Symfony\Component\EventDispatcher\Event;
 use ParsedownExtra;
 use Url;
 
@@ -64,11 +62,11 @@ class Rawilum extends Container
         };
 
         $container['events'] = function ($c) {
-            return new EventDispatcher();
+            return new Events($c);
         };
 
         $container['filters'] = function ($c) {
-            return new Filter($c);
+            return new Filters($c);
         };
 
         $container['markdown'] = function ($c) {