AtomSelectionWidget.py 2.14 KB
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#MDANSE : Molecular Dynamics Analysis for Neutron Scattering Experiments
#------------------------------------------------------------------------------------------
#Copyright (C)
#2015- Eric C. Pellegrini Institut Laue-Langevin
#BP 156
#6, rue Jules Horowitz
#38042 Grenoble Cedex 9
#France
#pellegrini[at]ill.fr
#goret[at]ill.fr
#aoun[at]ill.fr
#
#This library is free software; you can redistribute it and/or
#modify it under the terms of the GNU Lesser General Public
#License as published by the Free Software Foundation; either
#version 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#Lesser General Public License for more details.
#
#You should have received a copy of the GNU Lesser General Public
#License along with this library; if not, write to the Free Software
#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

''' 
Created on Mar 30, 2015

@author: pellegrini
'''

from MDANSE.Externals.pubsub import pub
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from MDANSE.Framework.Configurable import ConfigurationError
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from MDANSE.App.GUI.ConfiguratorWidgets.UserDefinitionWidget import UserDefinitionWidget

class AtomSelectionWidget(UserDefinitionWidget):
        
    type = "atom_selection"

    def __init__(self, parent, name, configuration, *args, **kwargs):
        
        UserDefinitionWidget.__init__(self, parent, name, configuration, *args, **kwargs)
                            
        pub.subscribe(self.msg_set_trajectory, ("set_trajectory"))
        pub.subscribe(self.msg_new_definition, ("new_selection",))
 
    def get_widget_value(self):

        names = self._selections.GetControl().GetCheckedStrings()
        
        if not names:
            return None
        
        if len(names) != 1:
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            raise ConfigurationError("Invalid number of atom selection definitions selected")
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        return names[0]                

    def set_widget_value(self, value):
        pass