root/trunk/RBRapier/RBRapier/Formats/Attic/SVG.old/SVGSkin/use.py

#!/usr/bin/env python
##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
##~ License 
##~ 
##- The RuneBlade Foundation library is intended to ease some 
##- aspects of writing intricate Jabber, XML, and User Interface (wxPython, etc.) 
##- applications, while providing the flexibility to modularly change the 
##- architecture. Enjoy.
##~ 
##~ Copyright (C) 2002  TechGame Networks, LLC.
##~ 
##~ This library is free software; you can redistribute it and/or
##~ modify it under the terms of the BSD style License as found in the 
##~ LICENSE file included with this distribution.
##~ 
##~ TechGame Networks, LLC can be reached at:
##~ 3578 E. Hartsel Drive #211
##~ Colorado Springs, Colorado, USA, 80920
##~
##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#~ Imports 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

import warnings
from SVGSkinObject import SVGSkinObject
from RenderItems.Styled import StyledRenderItem

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#~ Definitions 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class UseRenderItem(StyledRenderItem):
    def DisplayOn(self, renderer):
        renderer.DisplayUse(self)

    def InterpretSettings(self, settings):
        StyledRenderItem.InterpretSettings(self, settings)

        xlink = settings[('http://www.w3.org/1999/xlink', 'href')]
        try:
            xlinkbase, xlinktag = xlink.split('#', 1)
        except ValueError:
            xlinkbase, xlinktag = xlink, None

        if xlinkbase or not xlinktag:
            warnings.warn('All xlinks must be document relative for now, but xlink contained %r' % xlink)
        self.usereference = (xlinkbase or '', xlinktag)

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class use(SVGSkinObject):
    RenderItemFactory = UseRenderItem