From 81666a726c831af23e1d04d18e8efae3ecc0930d Mon Sep 17 00:00:00 2001
From: Yukai Huang
Date: Tue, 28 Mar 2017 11:18:36 +0800
Subject: Impl multiple codemirror event listener

---
 public/js/lib/editor/index.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'public/js/lib')

diff --git a/public/js/lib/editor/index.js b/public/js/lib/editor/index.js
index 6ae40d82..8d617247 100644
--- a/public/js/lib/editor/index.js
+++ b/public/js/lib/editor/index.js
@@ -116,6 +116,19 @@ export default class Editor {
         utils.wrapTextWith(this.editor, cm, 'Backspace')
       }
     }
+    this.eventListeners = {}
+  }
+
+  on (event, cb) {
+    if (!this.eventListeners[event]) {
+      this.eventListeners[event] = [cb]
+    } else {
+      this.eventListeners[event].push(cb)
+    }
+
+    this.editor.on(event, (...args) => {
+      this.eventListeners[event].forEach(cb => cb(...args))
+    })
   }
 
   getStatusBarTemplate (callback) {
-- 
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