From 73253d380704343f530471d0660cc6fb036a3cf3 Mon Sep 17 00:00:00 2001
From: fieldOfView <aldo@fieldofview.com>
Date: Mon, 20 Feb 2017 13:19:38 +0100
Subject: [PATCH] Fix loading opacities from preferences

---
 plugins/LayerView/LayerView.py  | 1 +
 plugins/LayerView/LayerView.qml | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugins/LayerView/LayerView.py b/plugins/LayerView/LayerView.py
index 63831a4bb8..828030a076 100644
--- a/plugins/LayerView/LayerView.py
+++ b/plugins/LayerView/LayerView.py
@@ -396,6 +396,7 @@ class LayerView(View):
             except ValueError:
                 opacity = 1.0
             self.setExtruderOpacity(extruder_nr, opacity)
+            extruder_nr += 1
 
         self.setShowTravelMoves(bool(Preferences.getInstance().getValue("layerview/show_travel_moves")))
         self.setShowSupport(bool(Preferences.getInstance().getValue("layerview/show_support")))
diff --git a/plugins/LayerView/LayerView.qml b/plugins/LayerView/LayerView.qml
index be2a0fdd7e..a06a498158 100644
--- a/plugins/LayerView/LayerView.qml
+++ b/plugins/LayerView/LayerView.qml
@@ -249,7 +249,7 @@ Item
             Repeater {
                 model: UM.LayerView.extruderCount
                 CheckBox {
-                    checked: [undefined, ""].indexOf(view_settings.extruder_opacities[index]) >= 0 || view_settings.extruder_opacities[index] > 0.5
+                    checked: view_settings.extruder_opacities[index] > 0.5 || view_settings.extruder_opacities[index] == undefined || view_settings.extruder_opacities[index] == ""
                     onClicked: {
                         view_settings.extruder_opacities[index] = checked ? 1.0 : 0.0
                         UM.Preferences.setValue("layerview/extruder_opacities", view_settings.extruder_opacities.toString());