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# Source code for camelot.view.controls.delegates.one2manydelegate

    #  ============================================================================
    #
    #  Copyright (C) 2007-2011 Conceptive Engineering bvba. All rights reserved.
    #  www.conceptive.be / project-camelot@conceptive.be
    #
    #  This file is part of the Camelot Library.
    #
    #  This file may be used under the terms of the GNU General Public
    #  License version 2.0 as published by the Free Software Foundation
    #  and appearing in the file license.txt included in the packaging of
    #  this file.  Please review this information to ensure GNU
    #  General Public Licensing requirements will be met.
    #
    #  If you are unsure which license is appropriate for your use, please
    #  visit www.python-camelot.com or contact project-camelot@conceptive.be
    #
    #  This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    #  WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    #
    #  For use of this library in commercial applications, please contact
    #  project-camelot@conceptive.be
    #
    #  ============================================================================
    from PyQt4.QtCore import Qt

    from camelot.view.controls import editors
    from customdelegate import CustomDelegate, DocumentationMetaclass
    from camelot.core.utils import variant_to_pyobject

    import logging
    logger = logging.getLogger( 'camelot.view.controls.delegates.one2manydelegate' )

    class One2ManyDelegate( CustomDelegate ):
        """Custom delegate for many 2 one relations

      .. image:: /_static/onetomany.png
      """

        __metaclass__ = DocumentationMetaclass

        def __init__( self, parent = None, **kwargs ):
            super( One2ManyDelegate, self ).__init__( parent=parent, **kwargs )
            logger.debug( 'create one2manycolumn delegate' )
            self.kwargs = kwargs

        def createEditor( self, parent, option, index ):
            logger.debug( 'create a one2many editor' )
            editor = editors.One2ManyEditor( parent = parent, **self.kwargs )
            self.setEditorData( editor, index )
            return editor

        def setEditorData( self, editor, index ):
            logger.debug( 'set one2many editor data' )
            model = variant_to_pyobject( index.data( Qt.EditRole ) )
            editor.set_value( model )
            field_attributes = variant_to_pyobject(index.data(Qt.UserRole))
            editor.set_field_attributes(**field_attributes)

        def setModelData( self, editor, model, index ):
            pass

        def render_ooxml( self, value ):
            return []

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