From a8b7b2cdbd9cbbab204cc72aa4f1ff7cb0a200f9 Mon Sep 17 00:00:00 2001
From: chrox <chrox.huang@gmail.com>
Date: Fri, 16 May 2014 13:58:00 +0800
Subject: [PATCH] add base document init method to create new configurable for
 each document this should fix configurables pollution when opening multiple
 documents at the same time, e.g. when clipping page images in Evernote
 plugin.

---
 frontend/document/document.lua | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/frontend/document/document.lua b/frontend/document/document.lua
index 7001dd32c..261743098 100644
--- a/frontend/document/document.lua
+++ b/frontend/document/document.lua
@@ -50,18 +50,22 @@ local Document = {
 
     -- flag to show that the document needs to be unlocked by a password
     is_locked = false,
-
-    configurable = Configurable,
 }
 
 function Document:new(o)
     local o = o or {}
     setmetatable(o, self)
     self.__index = self
+    if o._init then o:_init() end
     if o.init then o:init() end
     return o
 end
 
+-- base document initialization should be called on each document init
+function Document:_init()
+    self.configurable = Configurable:new()
+end
+
 -- override this method to open a document
 function Document:init()
 end