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#------------------------------------------------------------------------------
# Copyright (c) 2006, 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>
#------------------------------------------------------------------------------
""" A renderer which will display a cell-specific image in addition to some
text displayed in the same way the standard string renderer normally
would, all data retrieved from specified value maps. """
from grid_cell_image_renderer import GridCellImageRenderer
class MappedGridCellImageRenderer(GridCellImageRenderer):
""" Maps data values to image and text. """
def __init__(self, image_map = None, text_map = None):
# Base-class constructor. We pass ourself as the provider
super(MappedGridCellImageRenderer, self).__init__(self)
self.image_map = image_map
self.text_map = text_map
return
def get_image_for_cell(self, grid, row, col):
if self.image_map is None:
return
value = self._get_value(grid, row, col)
if self.image_map.has_key(value):
result = self.image_map[value]
else:
result = None
return result
def get_text_for_cell(self, grid, row, col):
if self.text_map is None:
return
value = self._get_value(grid, row, col)
if self.text_map.has_key(value):
result = self.text_map[value]
else:
result = None
return result
def _get_value(self, grid, row, col):
# first grab the PyGridTableBase object
base = grid.GetTable()
# from that we can get the pyface-level model object
model = base.model
# retrieve the unformatted value from the model and return it
return model.get_cell_drag_value(row, col)
#### EOF ######################################################################
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