File: edit_renderer.py

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#------------------------------------------------------------------------------
# Copyright (c) 2007, Enthought, Inc.
# All rights reserved.
# 
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license.  The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
# 
# Author: Enthought, Inc.
# Description: <Enthought pyface package component>
#------------------------------------------------------------------------------

from edit_image_renderer import EditImageRenderer
from grid_cell_renderer import GridCellRenderer

class EditRenderer(GridCellRenderer):

    def __init__(self, **traits):

        # base-class constructor
        super(EditRenderer, self).__init__(**traits)

        # initialize the renderer, if it hasn't already been initialized
        if self.renderer is None:
            self.renderer = EditImageRenderer()

        return

    def on_left_click(self, grid, row, col):
        """ Calls edit_traits on the object represented by the row. """

        obj = grid.model.get_rows_drag_value([row])[0]
        
        # allow editting if the obj does not have an editable trait
        # or if the editable trait is True
        
        if (not hasattr(obj, 'editable')) or obj.editable:
            obj.edit_traits(kind='live')