imagelist.py
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#----------------------------------------------------------------------------
# Name: wx.lib.mixins.imagelist
# 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
#----------------------------------------------------------------------------
# 12/14/2003 - Jeff Grimmett (grimmtooth@softhome.net)
#
# o 2.5 compatability update.
# o Untested.
#
import wx
#----------------------------------------------------------------------------
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 = wx.ImageList (self.__size,self.__size)
self.__magicImageListMapping = {}
self.SetImageList (
self.__magicImageList, {
16:wx.IMAGE_LIST_SMALL,
32:wx.IMAGE_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 = wx.NullBitmap):
'''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, wx.BitmapPtr ):
if isinstance( mask, wx.Colour ):
index = self.__magicImageList.AddWithColourMask( icon, mask )
else:
index = self.__magicImageList.Add( icon, mask )
else:
raise ValueError("Unexpected icon object %s, "
"expected wx.Icon or wx.Bitmap" % (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