Package Camelot :: Package camelot :: Package view :: Package proxy |
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# Source Code for Package Camelot.camelot.view.proxy

     1  #  ============================================================================
     2  #
     3  #  Copyright (C) 2007-2008 Conceptive Engineering bvba. All rights reserved.
     4  #  www.conceptive.be / project-camelot@conceptive.be
     5  #
     6  #  This file is part of the Camelot Library.
     7  #
     8  #  This file may be used under the terms of the GNU General Public
     9  #  License version 2.0 as published by the Free Software Foundation
    10  #  and appearing in the file LICENSE.GPL included in the packaging of
    11  #  this file.  Please review the following information to ensure GNU
    12  #  General Public Licensing requirements will be met:
    13  #  http://www.trolltech.com/products/qt/opensource.html
    14  #
    15  #  If you are unsure which license is appropriate for your use, please
    16  #  review the following information:
    17  #  http://www.trolltech.com/products/qt/licensing.html or contact
    18  #  project-camelot@conceptive.be.
    19  #
    20  #  This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    21  #  WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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    23  #  For use of this library in commercial applications, please contact
    24  #  project-camelot@conceptive.be
    25  #
    26  #  ============================================================================
    27
    28  """Proxy objects for the model that live in the GUI thread and are able to
    29  respond immediately. They do so by keeping a local copy of the data of the real
    30  model
    31
    32  We take copies of the data in the elixir model, because accessing an attribute
    33  on the model, might cause an sql query which might take a long time, and might
    34  freeze the gui
    35  """
    36
    37 -class ValueLoading(object):
    38      """Class indicating that a value was not yet loaded into the
    39      proxy"""
    40      pass
    41