From abe13df9ccefd220697127204f4dca7d3768a12d Mon Sep 17 00:00:00 2001
From: Sam Fries <fries2@llnl.gov>
Date: Mon, 2 Mar 2015 13:59:55 -0800
Subject: [PATCH] Detach 2D UI when plotting 3D charts

---
 Packages/vcs/Lib/Canvas.py       |  9 +++++++--
 Packages/vcs/Lib/configurator.py | 31 +++++++++++++++++++++++++------
 2 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/Packages/vcs/Lib/Canvas.py b/Packages/vcs/Lib/Canvas.py
index 09ec6edfab..f1d9a8b4db 100644
--- a/Packages/vcs/Lib/Canvas.py
+++ b/Packages/vcs/Lib/Canvas.py
@@ -468,7 +468,8 @@ def start(self,*args,**kargs):
         self.interact(*args,**kargs)
 
     def interact(self,*args,**kargs):
-      self.configurator.show()
+      if self.configurator is not None:
+        self.configurator.show()
       self.backend.interact(*args,**kargs)
 
     def _datawc_tv(self, tv, arglist):
@@ -3730,8 +3731,12 @@ def set_convert_labels(copy_mthd,test=0):
                 setattr(arglist[0],p,tmp)
         if dn is not None:
           self.display_names.append(result.name)
-          if self.backend.bg == False:
+          if result.g_type in ("3d_scalar", "3d_vector") and self.configurator is not None:
+            self.configurator.detach()
+            self.configurator = None
+          if self.backend.bg == False and self.configurator is not None:
             self.configurator.update(self.display_names)
+
         # Commented out as agreed we shouldn't use warnings in these contexts.
         #if not hasattr(__main__,"__file__") and not bg:
         #    warnings.warn("VCS Behaviour changed, in order to interact with window, start the interaction mode with:\n x.interact()")
diff --git a/Packages/vcs/Lib/configurator.py b/Packages/vcs/Lib/configurator.py
index 62503b10aa..d1c355fb92 100644
--- a/Packages/vcs/Lib/configurator.py
+++ b/Packages/vcs/Lib/configurator.py
@@ -162,6 +162,7 @@ def __init__(self, canvas, show_on_update=False):
         self.initialized = False
         self.animation_speed = 250
         self.animation_timer = None
+        self.listeners = []
         self.animation_last_frame_time = datetime.datetime.now()
         # Map custom templates to their source template
         self.templates = {}
@@ -175,10 +176,10 @@ def shift(self):
     def update(self, displays):
         if self.backend.renWin and self.interactor is None:
             self.interactor = self.backend.renWin.GetInteractor()
-            self.interactor.AddObserver("TimerEvent", self.animate)
-            self.interactor.AddObserver("LeftButtonPressEvent", self.click)
-            self.interactor.AddObserver("MouseMoveEvent", self.hover)
-            self.interactor.AddObserver("LeftButtonReleaseEvent", self.release)
+            self.listeners.append(self.interactor.AddObserver("TimerEvent", self.animate))
+            self.listeners.append(self.interactor.AddObserver("LeftButtonPressEvent", self.click))
+            self.listeners.append(self.interactor.AddObserver("MouseMoveEvent", self.hover))
+            self.listeners.append(self.interactor.AddObserver("LeftButtonReleaseEvent", self.release))
             self.init_buttons()
             self.init_toolbar()
 
@@ -201,12 +202,30 @@ def update(self, displays):
             self.show()
             self.show_on_update = False
 
+    def detach(self):
+        if self.toolbar is not None:
+            self.toolbar.detach()
+            self.toolbar = None
+        if self.fill_button is not None:
+            self.fill_button.detach()
+            self.fill_button = None
+        if self.text_button is not None:
+            self.text_button.detach()
+            self.text_button = None
+        if self.line_button is not None:
+            self.line_button.detach()
+            self.line_button = None
+        if self.marker_button is not None:
+            self.marker_button.detach()
+            self.marker_button = None
+
+        for listener in self.listeners:
+            self.interactor.RemoveObserver(listener)
+
     def release(self, object, event):
         if self.clicking is None:
             return
 
-
-
         if datetime.datetime.now() - self.clicking[1] < datetime.timedelta(0, .5):
 
             point = self.clicking[0]