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Viewing changes to examples/tutorials/doc_examples/examples/handler_override.py

  • Committer: Bazaar Package Importer
  • Author(s): Varun Hiremath
  • Date: 2011-07-09 13:57:39 UTC
  • Revision ID: james.westby@ubuntu.com-20110709135739-x5u20q86huissmn1
Tags: upstream-4.0.0
Import upstream version 4.0.0

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examples/tutorials/doc_examples/examples/handler_override.py
 
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#  Copyright (c) 2007, Enthought, Inc.
 
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#  License: BSD Style.
 
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# handler_override.py -- Example of a Handler that overrides setattr(), and
 
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#                        that has a user interface notification method
 
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#--[Imports]--------------------------------------------------------------------
 
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from traits.api import HasTraits, Bool
 
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from traitsui.api import View, Handler
 
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#--[Code]-----------------------------------------------------------------------
 
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class TC_Handler(Handler):
 
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    def setattr(self, info, object, name, value):
 
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        Handler.setattr(self, info, object, name, value)
 
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        info.object._updated = True
 
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    def object__updated_changed(self, info):
 
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        if info.initialized:
 
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            info.ui.title += "*"
 
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class TestClass(HasTraits):
 
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    b1 = Bool
 
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    b2 = Bool
 
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    b3 = Bool
 
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    _updated = Bool(False)
 
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view1 = View('b1', 'b2', 'b3',
 
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             title="Alter Title",
 
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             handler=TC_Handler(),
 
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             buttons = ['OK', 'Cancel'])
 
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tc = TestClass()
 
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tc.configure_traits(view=view1)
 
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