From 0c74b4d1089bf38c107f939678ee3bacc46a8cf0 Mon Sep 17 00:00:00 2001
From: fieldOfView <aldo@fieldofview.com>
Date: Fri, 10 Mar 2017 23:16:07 +0100
Subject: [PATCH] Don't create extruder tabs for "inactive" extruders

If a printer definition defines more extruders than machine_extruder_count, these are no longer shown as tabs in the sidebar.
---
 cura/Settings/ExtrudersModel.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cura/Settings/ExtrudersModel.py b/cura/Settings/ExtrudersModel.py
index 7f4a77eb5f..5632a83a27 100644
--- a/cura/Settings/ExtrudersModel.py
+++ b/cura/Settings/ExtrudersModel.py
@@ -136,6 +136,7 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
                 items.append(item)
                 changed = True
 
+            machine_extruder_count = global_container_stack.getProperty("machine_extruder_count", "value")
             manager = ExtruderManager.getInstance()
             for extruder in manager.getMachineExtruders(global_container_stack.getId()):
                 extruder_name = extruder.getName()
@@ -145,6 +146,9 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
                     position = int(position)
                 except ValueError: #Not a proper int.
                     position = -1
+                if position >= machine_extruder_count:
+                    continue
+
                 default_color = self.defaultColors[position] if position >= 0 and position < len(self.defaultColors) else self.defaultColors[0]
                 color = material.getMetaDataEntry("color_code", default = default_color) if material else default_color
                 item = { #Construct an item with only the relevant information.