model-path interface

direct/src/tkwidgets/Tree.py

@@ -22,7 +22,7 @@ from direct.showbase.TkGlobal import *
 from pandac.PandaModules import *
 
 # Initialize icon directory
-ICONDIR = getModelPath().findFile(Filename('icons')).toOsSpecific()
+ICONDIR = ConfigVariableSearchPath('model-path').findFile(Filename('icons')).toOsSpecific()
 if not os.path.isdir(ICONDIR):
     raise RuntimeError, "can't find DIRECT icon directory (%s)" % `ICONDIR`