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Update of /cvsroot/pymerase/pymerase/output/PyTkWidgets/lib
In directory sc8-pr-cvs1:/tmp/cvs-serv6133

Added Files:
	ExtendedOptionMenu.py 
Log Message:
Extended Tkinter Option Menu
-Can set menu by passing in a list
-Can select a menu item by name
-Can append to an existing menu


--- NEW FILE: ExtendedOptionMenu.py ---
###########################################################################
#                                                                         #
# C O P Y R I G H T   N O T I C E                                         #
#  Copyright (c) 2003 by:                                                 #
#    * California Institute of Technology                                 #
#                                                                         #
#    All Rights Reserved.                                                 #
#                                                                         #
# Permission is hereby granted, free of charge, to any person             #
# obtaining a copy of this software and associated documentation files    #
# (the "Software"), to deal in the Software without restriction,          #
# including without limitation the rights to use, copy, modify, merge,    #
# publish, distribute, sublicense, and/or sell copies of the Software,    #
# and to permit persons to whom the Software is furnished to do so,       #
# subject to the following conditions:                                    #
#                                                                         #
# The above copyright notice and this permission notice shall be          #
# included in all copies or substantial portions of the Software.         #
#                                                                         #
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,         #
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF      #
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND                   #
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS     #
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN      #
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN       #
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE        #
# SOFTWARE.                                                               #
###########################################################################
#
#       Authors: Brandon King
# Last Modified: $Date: 2003/01/29 23:15:59 $
#

import Tkinter
import types

class ExtendedOptionMenu(Tkinter.OptionMenu):

  def __init__(self, master, variable, value, *values, **kwargs):

    args = [self, master, variable, value]
    args.extend(values)

    apply(Tkinter.OptionMenu.__init__, args, kwargs)

    self.myVar = variable
    self.__indexDict = {}
    self.__indexCounter = 0

  def __setIndexDict(self, list):

    self.__indexDict.clear()

    self.__indexCounter = 0

    if type(list) is types.ListType or \
       type(list) is types.TupleType:
      for item in list:
        self.__indexDict[item] = self.__indexCounter
        self.__indexCounter += 1
    elif type(list) is types.StringType:
      self.__indexDict[list] = self.__indexCounter

  def selectItemByName(self, name):

    if self.__indexDict.has_key(name):
      self['menu'].invoke(self.__indexDict[name])

  #def getIndexDict(self):
  #  return self.__indexDict

  def setMenuFromList(self, list):
    """
    Given a list or string, deletes old list and replaces with new list.
    """

    #Delete old list
    self['menu'].delete(0, Tkinter.END)

    #Replace with new list
    self.appendListToMenu(list)

    #Create dictionary of indexes for loading by name
    self.__setIndexDict(list)
    
    #Select first item by default
    self['menu'].invoke(0)


  def appendListToMenu(self, list):
    #Replace with new list
    if type(list) is types.ListType or \
       type(list) is types.TupleType:
      for item in list:
        self['menu'].add_command(label=item,
                                 command=Tkinter._setit(self.myVar, item))
        self.__indexDict[item] = self.__indexCounter
        self.__indexCounter += 1

    #Well, if the user wants to pass a string
    elif type(list) is types.StringType:
      self['menu'].add_command(label=list,
                               command=Tkinter._setit(self.myVar, list))

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pymerase-cvs-commit Mailing List for Pymerase (Page 35)

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