Merge branch 'feature_mesh_names' of https://github.com/paukstelis/Cura into paukstelis-feature_mesh_names

cura/ObjectsModel.py

@@ -9,6 +9,7 @@ from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
 from UM.Scene.SceneNode import SceneNode
 from UM.Scene.Selection import Selection
 from UM.i18n import i18nCatalog
+from collections import defaultdict
 
 catalog = i18nCatalog("cura")
 
@@ -40,6 +41,8 @@ class ObjectsModel(ListModel):
         filter_current_build_plate = Application.getInstance().getPreferences().getValue("view/filter_current_build_plate")
         active_build_plate_number = self._build_plate_number
         group_nr = 1
+        name_count_dict = defaultdict(int)
+
         for node in DepthFirstIterator(Application.getInstance().getController().getScene().getRoot()):
             if not isinstance(node, SceneNode):
                 continue
@@ -55,6 +58,7 @@ class ObjectsModel(ListModel):
 
             if not node.callDecoration("isGroup"):
                 name = node.getName()
+                
             else:
                 name = catalog.i18nc("@label", "Group #{group_nr}").format(group_nr = str(group_nr))
                 group_nr += 1
@@ -63,6 +67,14 @@ class ObjectsModel(ListModel):
                 is_outside_build_area = node.isOutsideBuildArea()
             else:
                 is_outside_build_area = False
+                
+            #check if we already have an instance of the object based on name
+            name_count_dict[name] += 1
+            name_count = name_count_dict[name]
+
+            if name_count > 1:
+                name = "{0}({1})".format(name, name_count-1)
+                node.setName(name)
 
             nodes.append({
                 "name": name,
@@ -71,6 +83,7 @@ class ObjectsModel(ListModel):
                 "buildPlateNumber": node_build_plate_number,
                 "node": node
             })
+       
         nodes = sorted(nodes, key=lambda n: n["name"])
         self.setItems(nodes)
 

plugins/CuraEngineBackend/Cura.proto

@@ -29,6 +29,7 @@ message Object
     bytes normals = 3; //An array of 3 floats.
     bytes indices = 4; //An array of ints.
     repeated Setting settings = 5; // Setting override per object, overruling the global settings.
+    string name = 6; 
 }
 
 message Progress

plugins/CuraEngineBackend/StartSliceJob.py

@@ -270,7 +270,7 @@ class StartSliceJob(Job):
 
                     obj = group_message.addRepeatedMessage("objects")
                     obj.id = id(object)
-
+                    obj.name = object.getName()
                     indices = mesh_data.getIndices()
                     if indices is not None:
                         flat_verts = numpy.take(verts, indices.flatten(), axis=0)