root/trunk/RBSkinning/RBSkinning/dotSkin/graph.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 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

from graph_settings import graph_settings
from RBFoundation.Utilities import *

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#~ Class Initialization 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 

class graph(graph_settings):
    #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    #~ Constants / Variables / Etc. 
    #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    default_settings = graph_settings.default_settings.copy()
    default_settings['name'] = 'G'
    _DOTStartFormat = 'graph %s {'

    #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    #~ Public 
    #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    def SkinInitialize(self):
        self.PushContext()
        self.context.DOTEdgeJoin = '--'

    def _toDOT(self, joinstr='\n', close=1):
        name = self.settings.get('name', '')
        if not name: name = joinclean('\n', self.Content())
        result = [self._DOTStartFormat % name]
        DOTSettings = self._OutputDOTSettings(';\n')
        if DOTSettings: result.append(DOTSettings)

        for each in self.Elements():
            try: toDOT = each._toDOT
            except AttributeError: pass
            else: result.append(toDOT(joinstr))

        if close: result.append('}')

        if joinstr is not None:
            return joinstr.join(result)
        else: return result