From e0ce5e0096554a366ea423334dcf29435677eaff Mon Sep 17 00:00:00 2001
From: abakkk <abakkk@netcourrier.com>
Date: Fri, 10 Jan 2020 13:01:26 +0100
Subject: [PATCH] do not override peristent.json with an empty drawing when
 changing persistency setting

---
 draw.js      | 9 +++++++++
 extension.js | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/draw.js b/draw.js
index e43f610..6d871db 100644
--- a/draw.js
+++ b/draw.js
@@ -714,6 +714,15 @@ var DrawingArea = new Lang.Class({
         this._saveAsJson(Me.metadata['persistent-file-name']);
     },
     
+    syncPersistent: function() {
+        // do not override peristent.json with an empty drawing when changing persistency setting
+        if (!this.elements.length)
+            this._loadPersistent();
+        else
+            this.savePersistent();
+            
+    },
+    
     _loadJson: function(name, notify) {
         let dir = GLib.get_user_data_dir();
         let path = GLib.build_filenamev([dir, Me.metadata['data-dir'], `${name}.json`]);
diff --git a/extension.js b/extension.js
index 18a61b8..ef5d9ed 100644
--- a/extension.js
+++ b/extension.js
@@ -124,7 +124,7 @@ var AreaManager = new Lang.Class({
     
     onPersistentSettingChanged: function() {
         if (this.settings.get_boolean('persistent-drawing'))
-            this.areas[Main.layoutManager.primaryIndex].savePersistent();
+            this.areas[Main.layoutManager.primaryIndex].syncPersistent();
     },
     
     updateIndicator: function() {