olemis

class (wx.grid.PyGridCellEditor):
  def __init__(self, choices):
    wx.grid.PyGridCellEditor.__init__(self)
    self._choices = choices
  def Create(self, parent, id, evtHandler):
    self._dlg = wx.MultiChoiceDialog(parent, "Select items from the list", \
                                    "Choices", self._choices)
    self._tc = wx.TextCtrl(parent, id=id, style=wx.TE_READONLY)
    if evtHandler:
      self._tc.PushEventHandler(evtHandler)
    self.SetControl(self._tc)
  def SetSize(self, rect):
    self._tc.SetDimensions(rect.x, rect.y, rect.width+2, \
                            rect.height+2, wx.SIZE_ALLOW_MINUS_ONE)
  def _idx(self, value):
    try :
      return self._choices.index(value)
    except ValueError :
      return None
  def BeginEdit(self, row, col, grid):
    self.startValue = value = grid.GetTable().GetValue(row, col)
    if isinstance(value, basestring):
      value = [value]
    self._dlg.SetSelections(filter(lambda x: x is not None, \
                                (self._idx(x) for x in value)))
    self.result = self._dlg.ShowModal()
    self.value = (self.result == wx.ID_OK and
                      ([self._choices[x] for x in self._dlg.GetSelections()],)
                      or (self.startValue,))[0]
    self._tc.SetValue(','.join(self.value))
  def EndEdit(self, row, col, grid):
    changed = self.result == wx.ID_OK
    if changed :
      grid.GetTable().SetValue(row, col, self.value)
    del self.result
    return changed
  def Reset(self):
    pass
  def Clone(self):
    return GridCellSetEditor(self._choices)