Override getIdsFromFile to load multiple IDs

This should result in all IDs in the XML file, since there are multiple per file here.

Contributes to issue CURA-4243.

plugins/XmlMaterialProfile/XmlMaterialProfile.py

@@ -640,6 +640,51 @@ class XmlMaterialProfile(InstanceContainer):
         for container_to_add in containers_to_add:
             ContainerRegistry.getInstance().addContainer(container_to_add)
 
+    ##  Override of getIdsFromFile because the XML files contain multiple IDs.
+    @classmethod
+    def getIdsFromFile(cls, file_name):
+        result_ids = super().getIdsFromFile(file_name) #The base file has the default ID, taken from the file name without extension.
+        base_id = result_ids[0]
+
+        try:
+            data = ET.parse(file_name)
+        except: #IOError, PermissionError, or anything from the ElementTree library.
+            Logger.logException("e", "An exception occurred while parsing the material profile")
+            return
+
+        common_compatibility = True
+        compatible_entries = data.iterfind("./um:settings/um:setting[@key='hardware compatible']", cls.__namespaces)
+        try:
+            common_compatibility = cls._parseCompatibleValue(next(compatible_entries).text)
+        except StopIteration: #No 'hardware compatible' setting.
+            pass
+
+        #Get a mapping from the product names to the definition IDs.
+        product_id_map = cls.getProductIdMap()
+
+        for machine in data.iterfind("./um:settings/um:machine", cls.__namespaces):
+            machine_compatibility = common_compatibility
+            compatible_entries = data.iterfind("./um:setting[@key='hardware compatible']", cls.__namespaces)
+            try:
+                machine_compatibility = cls._parseCompatibleValue(next(compatible_entries).text)
+            except StopIteration: #No 'hardware compatible' setting.
+                pass
+
+            for identifier in machine.iterfind("./um:machine_identifier", cls.__namespaces): #For all machines.
+                machine_id = product_id_map.get(identifier.get("product"), None)
+                if machine_id is None:
+                    #Let's try again with some naive heuristics.
+                    machine_id = identifier.get("product").replace(" ", "").lower()
+                if machine_compatibility:
+                    result_ids.append(base_id + "_" + machine_id)
+
+                for hotend in machine.iterfind("./um:hotend", cls.__namespaces): #For all hotends.
+                    hotend_id = hotend.get("id")
+                    if hotend_id is None:
+                        continue
+                    result_ids.append(base_id + "_" + machine_id + "_" + hotend_id)
+        return result_ids
+
     def _addSettingElement(self, builder, instance):
         try:
             key = UM.Dictionary.findKey(self.__material_settings_setting_map, instance.definition.key)