Files
wxWidgets/wxPython/wx/lib/mixins/imagelist.py
2003-11-12 21:34:20 +00:00

74 lines
2.4 KiB
Python

#----------------------------------------------------------------------------
# Name: wxPython.lib.mixins.listctrl
# Purpose: Helpful mix-in classes for using a wxImageList
#
# Author: Robin Dunn
#
# Created: 15-May-2001
# RCS-ID: $Id$
# Copyright: (c) 2001 by Total Control Software
# Licence: wxWindows license
#----------------------------------------------------------------------------
from wxPython.wx import *
#----------------------------------------------------------------------------
class MagicImageList:
'''
Mix-in to provide "magic" growing image lists
By Mike Fletcher
'''
### LAZYTREE and LISTCONTROL Methods
DEFAULTICONSIZE = 16
def SetupIcons(self, images=(), size=None):
self.__size = size or self.DEFAULTICONSIZE
self.__magicImageList = wxImageList (self.__size,self.__size)
self.__magicImageListMapping = {}
self.SetImageList (
self.__magicImageList, {
16:wxIMAGE_LIST_SMALL,
32:wxIMAGE_LIST_NORMAL,
}[self.__size]
)
for image in images:
self.AddIcon (image)
def GetIcons (self, node):
'''Get icon indexes for a given node, or None if no associated icon'''
icon = self.GetIcon( node )
if icon:
index = self.AddIcon (icon)
return index, index
return None
### Local methods...
def AddIcon(self, icon, mask = wxNullBitmap):
'''Add an icon to the image list, or get the index if already there'''
index = self.__magicImageListMapping.get (id (icon))
if index is None:
if isinstance( icon, wxIconPtr ):
index = self.__magicImageList.AddIcon( icon )
elif isinstance( icon, wxBitmapPtr ):
if isinstance( mask, wxColour ):
index = self.__magicImageList.AddWithColourMask( icon, mask )
else:
index = self.__magicImageList.Add( icon, mask )
else:
raise ValueError("Unexpected icon object %s, "
"expected wxIcon or wxBitmap" % (icon))
self.__magicImageListMapping [id (icon)] = index
return index
### Customisation point...
def GetIcon( self, node ):
'''Get the actual icon object for a node'''
if hasattr (node,"DIAGRAMICON"):
return node.DIAGRAMICON