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

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import six

from ....core.qt import variant_to_py, Qt
from camelot.view.controls import editors
from .customdelegate import CustomDelegate, DocumentationMetaclass

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

@six.add_metaclass(DocumentationMetaclass)
[docs]class One2ManyDelegate(CustomDelegate):
    """Custom delegate for many 2 one relations
  
  .. image:: /_static/onetomany.png
  """

    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 )
        editor.editingFinished.connect( self.commitAndCloseEditor )
        return editor

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

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