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Get the selected tab in a enthought traits application

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  Get the selected tab in a enthought traits application petmertens@gmail.com - 2013-09-13 10:35 -0700
    Re: Get the selected tab in a enthought traits application shi <shi@somewhere.be> - 2013-09-15 09:56 +0200
    Re: Get the selected tab in a enthought traits application petmertens@gmail.com - 2013-10-03 11:09 -0700

#54124 — Get the selected tab in a enthought traits application

Hi,

I have a traits application with a tabbed group:

Group(
Group(label="a", dock='tab'),
Group(label="b", dock='tab'),
layout='tabbed')

Beneath the tabbed group, there is button which should perform some action depending on the selected tab.
So I would like to know which of both tabs, 'a' or 'b', is selected (i.e. active).

Any ideas?

Thanks

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#54183

> Any ideas?

I think you will have more chance for an answer in a more specialized
list, e.g. the enthought-dev mailing list, which is also accessible via 
gmane:

http:// dir.gmane.org / gmane.comp.python.enthought.devel

Stefaan.

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#55433

Here's the answer:

from enthought.traits.api import HasTraits, Str, List, Button, Any
from enthought.traits.ui.api import View, Item
from enthought.traits.ui.api import ListEditor

class A(HasTraits):
   StringA = Str

   view = View(Item('StringA'))

class B(HasTraits):
   StringB = Str

   view = View(Item('StringB'))

class C(HasTraits):
   MyList = List(HasTraits)
   MyButton = Button(label="Test")
   SelectedTab = Any

   def _MyButton_fired(self):
      if self.SelectedTab == self.MyList[0]:
         print self.MyList[0].StringA
      if self.SelectedTab == self.MyList[1]:
         print self.MyList[1].StringB

   view = View(Item('MyList', style='custom', show_label=False, 
                  editor=ListEditor(use_notebook=True, deletable=False, dock_style='tab', selected='SelectedTab')),
               Item('MyButton', show_label=False))

a = A()
b = B()
c = C()
c.MyList = [a, b]

c.configure_traits()

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