From 4e46675f948923d7698af0f9e488cc7caeeab4d2 Mon Sep 17 00:00:00 2001
From: Jiiks <jiiks@windowslive.com>
Date: Mon, 12 Feb 2018 01:04:07 +0200
Subject: [PATCH] add events for plugins

---
 client/src/modules/pluginapi.js | 28 +++++++++++++++++++++++++++-
 tests/plugins/Example/index.js  | 12 ++++++------
 2 files changed, 33 insertions(+), 7 deletions(-)

diff --git a/client/src/modules/pluginapi.js b/client/src/modules/pluginapi.js
index f424b517..f7f0565d 100644
--- a/client/src/modules/pluginapi.js
+++ b/client/src/modules/pluginapi.js
@@ -9,6 +9,7 @@
 */
 
 import { ClientLogger as Logger } from 'common';
+import Events from './events';
 
 export default class PluginApi {
 
@@ -31,10 +32,35 @@ export default class PluginApi {
         };
     }
 
+    get eventSubs() {
+        return this._eventSubs || (this._eventSubs = []);
+    }
 
+    eventSubscribe(event, callback) {
+        if (this.eventSubs.find(e => e.event === event)) return;
+        this.eventSubs.push({
+            event,
+            callback
+        });
+        Events.on(event, callback);
+    }
+    eventUnsubscribe(event) {
+        const index = this.eventSubs.findIndex(e => e.event === event);
+        if (index < 0) return;
+        Events.off(event, this.eventSubs[0].callback);
+        this.eventSubs.splice(index, 1);
+    }
+    eventUnsubscribeAll() {
+        this.eventSubs.forEach(event => {
+            Events.off(event.event, event.callback);
+        });
+        this._eventSubs = [];
+    }
     get Events() {
         return {
-            
+            subscribe: this.eventSubscribe.bind(this),
+            unsubscribe: this.eventUnsubscribe.bind(this),
+            unsubscribeAll: this.eventUnsubscribeAll.bind(this)
         }
     }
     
diff --git a/tests/plugins/Example/index.js b/tests/plugins/Example/index.js
index 53d5c868..49110781 100644
--- a/tests/plugins/Example/index.js
+++ b/tests/plugins/Example/index.js
@@ -2,23 +2,23 @@ module.exports = (Plugin, Api, Vendor) => {
 
     const { $, moment, _ } = Vendor;
     const { Events, Logger } = Api;
-
-    const test = 'Testing';
-
     return class extends Plugin {
-        test() {
-            return test;
-        }
 
         onStart() {
+            Events.subscribe('TEST_EVENT', this.eventTest);
             Logger.log('onStart');
             return true;
         }
 
         onStop() {
+            Events.unsubscribeAll();
             Logger.log('onStop');
             return true;
         }
+
+        eventTest(e) {
+            Logger.log(e);
+        }
     }
 
 }
\ No newline at end of file