Fixed up the profiles menu to handle multiple extruders better.

Contributes to CURA-2477 Profile menu should only contain valid options for all materials

cura/CuraApplication.py

@@ -502,6 +502,7 @@ class CuraApplication(QtApplication):
         qmlRegisterType(cura.Settings.ExtrudersModel, "Cura", 1, 0, "ExtrudersModel")
 
         qmlRegisterType(cura.Settings.ContainerSettingsModel, "Cura", 1, 0, "ContainerSettingsModel")
+        qmlRegisterType(cura.Settings.ProfilesModel, "Cura", 1, 0, "ProfilesModel")
         qmlRegisterType(cura.Settings.MaterialSettingsVisibilityHandler, "Cura", 1, 0, "MaterialSettingsVisibilityHandler")
         qmlRegisterType(cura.Settings.QualitySettingsModel, "Cura", 1, 0, "QualitySettingsModel")
 

cura/Settings/ProfilesModel.py

@@ -0,0 +1,58 @@
+# Copyright (c) 2016 Ultimaker B.V.
+# Uranium is released under the terms of the AGPLv3 or higher.
+
+from UM.Application import Application
+from UM.Settings.Models.InstanceContainersModel import InstanceContainersModel
+from UM.Settings.ContainerRegistry import ContainerRegistry
+
+from cura.Settings.ExtruderManager import ExtruderManager
+
+##  QML Model for listing the current list of valid quality profiles.
+#
+class ProfilesModel(InstanceContainersModel):
+    def __init__(self, parent = None):
+        super().__init__(parent)
+
+    ##  Fetch the list of containers to display.
+    #
+    #   See UM.Settings.Models.InstanceContainersModel._fetchInstanceContainers().
+    def _fetchInstanceContainers(self):
+        global_container_stack = Application.getInstance().getGlobalContainerStack()
+        global_machine_definition = global_container_stack.getBottom()
+
+        extruder_stacks = ExtruderManager.getInstance().getActiveExtruderStacks()
+        if extruder_stacks:
+            # Multi-extruder machine detected.
+
+            # Determine the common set of quality types which can be
+            # applied to all of the materials for this machine.
+            quality_type_dict = self.__fetchQualityTypeDictForStack(global_container_stack, global_machine_definition)
+            common_quality_types = set(quality_type_dict.keys())
+            for stack in extruder_stacks[1:]:
+                next_quality_type_dict = self.__fetchQualityTypeDictForStack(stack, global_machine_definition)
+                common_quality_types.intersection_update(set(next_quality_type_dict.keys()))
+
+            return [quality_type_dict[quality_type] for quality_type in common_quality_types]
+
+        else:
+            # Machine with one extruder.
+            quality_type_dict = self.__fetchQualityTypeDictForStack(global_container_stack, global_machine_definition)
+            return list(quality_type_dict.values())
+        return []
+
+    def __fetchQualityTypeDictForStack(self, stack, global_machine_definition):
+        criteria = {"type": "quality" }
+        if global_machine_definition.getMetaDataEntry("has_machine_quality", False):
+            criteria["definition"] = global_machine_definition.getId()
+            if global_machine_definition.getMetaDataEntry("has_materials", False):
+                material = stack.findContainer(type="material")
+                criteria["material"] = material.getId()
+        else:
+            criteria["definition"] = "fdmprinter"
+
+        qualities = ContainerRegistry.getInstance().findInstanceContainers(**criteria)
+
+        quality_type_dict = {}
+        for quality in qualities:
+            quality_type_dict[quality.getMetaDataEntry("quality_type")] = quality
+        return quality_type_dict

cura/Settings/__init__.py

@@ -12,3 +12,4 @@ from .MaterialSettingsVisibilityHandler import MaterialSettingsVisibilityHandler
 from .SettingOverrideDecorator import SettingOverrideDecorator
 from .QualitySettingsModel import QualitySettingsModel
 from .SettingInheritanceManager import SettingInheritanceManager
+from .ProfilesModel import ProfilesModel

resources/qml/Menus/ProfileMenu.qml

@@ -13,10 +13,7 @@ Menu
 
     Instantiator
     {
-        model: UM.InstanceContainersModel
-        {
-            filter: menu.getFilter({ "type": "quality" });
-        }
+        model: Cura.ProfilesModel { }
 
         MenuItem
         {