From 4d48e40484672ad35c15a4d9a61da20e3d124ccb Mon Sep 17 00:00:00 2001
From: David Capello <davidcapello@gmail.com>
Date: Tue, 29 Apr 2014 01:01:25 -0300
Subject: [PATCH] Fix RemoveLayer command so it's disabled when we have no more
 layers to remove

---
 src/app/commands/cmd_remove_layer.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/app/commands/cmd_remove_layer.cpp b/src/app/commands/cmd_remove_layer.cpp
index 80482c2ea..d4c613352 100644
--- a/src/app/commands/cmd_remove_layer.cpp
+++ b/src/app/commands/cmd_remove_layer.cpp
@@ -54,9 +54,11 @@ RemoveLayerCommand::RemoveLayerCommand()
 
 bool RemoveLayerCommand::onEnabled(Context* context)
 {
-  ContextWriter writer(context);
-  Sprite* sprite(writer.sprite());
-  return (sprite != NULL);
+  return context->checkFlags(ContextFlags::ActiveDocumentIsWritable |
+                             ContextFlags::HasActiveSprite |
+                             ContextFlags::HasActiveLayer |
+                             ContextFlags::ActiveLayerIsReadable |
+                             ContextFlags::ActiveLayerIsWritable);
 }
 
 void RemoveLayerCommand::onExecute(Context* context)