Duplicating materialContainers should now duplicate all related material containers

CURA-2242

cura/CuraApplication.py

@@ -322,6 +322,7 @@ class CuraApplication(QtApplication):
                 path = Resources.getStoragePath(self.ResourceTypes.VariantInstanceContainer, file_name)
 
             if path:
+                instance.setPath(path)
                 with SaveFile(path, "wt", -1, "utf-8") as f:
                     f.write(data)
 
@@ -346,6 +347,7 @@ class CuraApplication(QtApplication):
             elif stack_type == "extruder_train":
                 path = Resources.getStoragePath(self.ResourceTypes.ExtruderStack, file_name)
             if path:
+                stack.setPath(path)
                 with SaveFile(path, "wt", -1, "utf-8") as f:
                     f.write(data)
 

cura/Settings/ContainerManager.py

@@ -167,6 +167,19 @@ class ContainerManager(QObject):
 
         return True
 
+    @pyqtSlot(str, str, result=str)
+    def getContainerMetaDataEntry(self, container_id, entry_name):
+        containers = self._container_registry.findContainers(None, id=container_id)
+        if not containers:
+            UM.Logger.log("w", "Could not get metadata of container %s because it was not found.", container_id)
+            return False
+
+        result = containers[0].getMetaDataEntry(entry_name)
+        if result:
+            return result
+        else:
+            return ""
+
     ##  Set a metadata entry of the specified container.
     #
     #   This will set the specified entry of the container's metadata to the specified
@@ -577,6 +590,28 @@ class ContainerManager(QObject):
 
         return new_name
 
+    @pyqtSlot(str, result = str)
+    def duplicateMaterial(self, material_id):
+        containers = self._container_registry.findInstanceContainers(id=material_id)
+        if not containers:
+            UM.Logger.log("d", "Unable to duplicate the material with id %s, because it doesn't exist.", material_id)
+            return ""
+
+        # Ensure all settings are saved.
+        UM.Application.getInstance().saveSettings()
+
+        # Create a new ID & container to hold the data.
+        new_id = self._container_registry.uniqueName(material_id)
+        container_type = type(containers[0])  # Could be either a XMLMaterialProfile or a InstanceContainer
+        duplicated_container = container_type(new_id)
+
+        # Instead of duplicating we load the data from the basefile again.
+        # This ensures that the inheritance goes well and all "cut up" subclasses of the xmlMaterial profile
+        # are also correctly created.
+        with open(containers[0].getPath(), encoding="utf-8") as f:
+            duplicated_container.deserialize(f.read())
+        self._container_registry.addContainer(duplicated_container)
+
     # Factory function, used by QML
     @staticmethod
     def createContainerManager(engine, js_engine):

resources/qml/Preferences/MaterialsPage.qml

@@ -129,30 +129,24 @@ UM.ManagementPage
             enabled: base.currentItem != null && base.currentItem.id != Cura.MachineManager.activeMaterialId
             onClicked: Cura.MachineManager.setActiveMaterial(base.currentItem.id)
         },
-        /*  // apparently visible does not work on OS X
-        Button
+         // apparently visible does not work on OS X
+        /*Button
         {
             text: catalog.i18nc("@action:button", "Duplicate");
             iconName: "list-add";
             enabled: base.currentItem != null
             onClicked:
             {
-                var material_id = Cura.ContainerManager.duplicateContainer(base.currentItem.id)
+                var base_file = Cura.ContainerManager.getContainerMetaDataEntry(base.currentItem.id, "base_file")
+                // We need to copy the base container instead of the specific variant.
+                var material_id = base_file == "" ? Cura.ContainerManager.duplicateMaterial(base.currentItem.id): Cura.ContainerManager.duplicateMaterial(base_file)
                 if(material_id == "")
                 {
                     return
                 }
 
-                if(Cura.MachineManager.filterQualityByMachine)
-                {
-                    var quality_id = Cura.ContainerManager.duplicateContainer(Cura.MachineManager.activeQualityId)
-                    Cura.ContainerManager.setContainerMetaDataEntry(quality_id, "material", material_id)
-                    Cura.MachineManager.setActiveQuality(quality_id)
-                }
-
                 Cura.MachineManager.setActiveMaterial(material_id)
             }
-            visible: false;
         },
         */
         Button