Fixed enumeration issue for task panel.

src/Mod/Path/PathScripts/PathJob.py

@@ -157,8 +157,7 @@ class ViewProviderJob:
 
     def setEdit(self, vobj, mode=0):
         FreeCADGui.Control.closeDialog()
-        taskd = TaskPanel()
-        taskd.obj = vobj.Object
+        taskd = TaskPanel(vobj.Object)
         FreeCADGui.Control.showDialog(taskd)
         taskd.setupUi()
         return True
@@ -216,13 +215,18 @@ tl.ToolNumber = 1
 
 
 class TaskPanel:
-    def __init__(self):
+    def __init__(self, obj):
+        self.obj = obj
         self.form = FreeCADGui.PySideUic.loadUi(":/panels/JobEdit.ui")
         #self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Path/JobEdit.ui")
 
-        for post in PathPreferences.allEnabledPostProcessors(['']):
+        currentPostProcessor = obj.PostProcessor
+        postProcessors = PathPreferences.allEnabledPostProcessors(['', currentPostProcessor])
+        for post in postProcessors:
             self.form.cboPostProcessor.addItem(post)
-        self.updating = False
+        # update the enumeration values, just to make sure all selections are valid
+        self.obj.PostProcessor = postProcessors
+        self.obj.PostProcessor = currentPostProcessor
 
         self.form.cboBaseObject.addItem("")
         for o in FreeCAD.ActiveDocument.Objects:

src/Mod/Path/PathScripts/PathPreferences.py

@@ -50,8 +50,9 @@ class PathPreferences:
         blacklist = cls.postProcessorBlacklist()
         enabled = [processor for processor in cls.allAvailablePostProcessors() if not processor in blacklist]
         if include:
-            include.extend(enabled)
-            return include
+            l = list(set(include + enabled))
+            l.sort()
+            return l
         return enabled