Filter the list of quality changes taking into account the quality(-type) profile they depend on.

Contributes to CURA-2248 Duplicated profile not shown in the profile manager list

cura/Settings/UserProfilesModel.py

@@ -0,0 +1,36 @@
+# Copyright (c) 2016 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+from UM.Application import Application
+
+from cura.QualityManager import QualityManager
+from cura.Settings.ProfilesModel import ProfilesModel
+from cura.Settings.ExtruderManager import ExtruderManager
+
+##  QML Model for listing the current list of valid quality changes profiles.
+#
+class UserProfilesModel(ProfilesModel):
+    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()
+        if not global_container_stack:
+            return []
+
+        # Fetch the list of quality changes.
+        quality_manager = QualityManager.getInstance()
+        machine_definition = quality_manager.getParentMachineDefinition(global_container_stack.getBottom())
+        quality_changes_list = quality_manager.findAllQualityChangesForMachine(machine_definition)
+
+        # Fetch the list of qualities
+        quality_list =  QualityManager.getInstance().findAllUsableQualitiesForMachineAndExtruders(global_container_stack,
+                                                              ExtruderManager.getInstance().getActiveExtruderStacks())
+
+        # Filter the quality_change by the list of available quality_types
+        quality_type_set = set([x.getMetaDataEntry("quality_type") for x in quality_list])
+        filtered_quality_changes = [qc for qc in quality_changes_list if qc.getMetaDataEntry("quality_type") in quality_type_set]
+
+        return filtered_quality_changes