Filter out duplicate selections

src/Mod/Path/PathScripts/PathEngraveGui.py

@@ -52,17 +52,25 @@ class TaskPanelBaseGeometryPage(PathOpGui.TaskPanelBaseGeometryPage):
         return super(TaskPanelBaseGeometryPage, self)
 
     def addBaseGeometry(self, selection):
-        if 1 == len(selection) and selection[0].Object.isDerivedFrom('Part::Part2DObject'):
-            sel = selection[0]
-            if sel.HasSubObjects:
-                for sub in sel.SubElementNames:
-                    self.obj.Proxy.addBase(self.obj, sel.Object, sub)
+        added = False
+        shapes = self.obj.BaseShapes
+        for sel in selection:
+            if sel.Object in shapes:
+                PathLog.notice((translate("Path", "Base shape %s already in the list")+"\n") % (sel.Object.Label))
+                continue
+            if sel.Object.isDerivedFrom('Part::Part2DObject'):
+                if sel.HasSubObjects:
+                    for sub in sel.SubElementNames:
+                        self.obj.Proxy.addBase(self.obj, sel.Object, sub)
+                else:
+                    shapes.append(sel.Object)
+                    self.obj.BaseShapes = shapes
+                added = True
             else:
-                shapes = self.obj.BaseShapes
-                shapes.append(sel.Object)
-                self.obj.BaseShapes = shapes
-            return True
-        return self.super().addBaseGeometry(selection)
+                base = self.super().addBaseGeometry(selection)
+                added = added or base
+
+        return added
 
     def setFields(self, obj):
         self.super().setFields(obj)

src/Mod/Path/PathScripts/PathOp.py

@@ -427,7 +427,7 @@ class ObjectOp(object):
         return result
 
     def addBase(self, obj, base, sub):
-        PathLog.track()
+        PathLog.track(obj, base, sub)
         base = PathUtil.getPublicObject(base)
 
         if self._setBaseAndStock(obj):
@@ -436,10 +436,11 @@ class ObjectOp(object):
             baselist = obj.Base
             if baselist is None:
                 baselist = []
-            item = (base, sub)
-            if item in baselist:
-                PathLog.notice(translate("Path", "This object already in the list")+"\n")
-            else:
-                baselist.append(item)
-                obj.Base = baselist
+            for p, el in baselist:
+                if p == base and sub in el:
+                    PathLog.notice((translate("Path", "Base object %s.%s already in the list")+"\n") % (base.Label, sub))
+                    return
+
+            baselist.append((base, sub))
+            obj.Base = baselist
 

src/Mod/Path/PathScripts/PathSelection.py

@@ -50,7 +50,7 @@ class ENGRAVEGate:
         except:
             return False
 
-        if shape.BoundBox.ZLength == 0.0 and len(obj.Wires) > 0:
+        if shape.BoundBox.ZLength == 0.0 and len(shape.Wires) > 0:
             return True
 
         if shape.ShapeType == 'Edge':