diff -r 3edd2f19bce2 -r e0424e96e3fd py_ext/modules/svgui/svgui_server.py
--- a/py_ext/modules/svgui/svgui_server.py	Wed May 09 00:39:54 2012 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,130 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-
-import os
-
-from nevow import rend, appserver, inevow, tags, loaders, athena
-import simplejson as json
-
-svgfile = '%(svgfile)s'
-
-svguiWidgets = {}
-
-currentId = 0
-def getNewId():
-    global currentId
-    currentId += 1
-    return currentId
-
-class SvguiWidget:
-    
-    def __init__(self, classname, id, **kwargs):
-        self.classname = classname
-        self.id = id
-        self.attrs = kwargs.copy()
-        self.inputs = {}
-        self.outputs = {}
-        self.inhibit = False
-        self.changed = False
-
-    def setinput(self, attrname, value):
-        self.inputs[attrname] = value
-        
-    def getinput(self, attrname, default=None):
-        if not self.inputs.has_key(attrname):
-            self.inputs[attrname] = default
-        return self.inputs[attrname]
-
-    def setoutput(self, attrname, value):
-        if self.outputs.get(attrname) != value:
-            self.outputs[attrname] = value
-            self.changed = True
-            self.RefreshInterface()
-        
-    def updateoutputs(self, **kwargs):
-        for attrname, value in kwargs.iteritems():
-            if self.outputs.get(attrname) != value:
-                self.outputs[attrname] = value
-                self.changed = True
-        self.RefreshInterface()
-        
-    def RefreshInterface(self):
-        interface = website.getHMI()
-        if isinstance(interface, SVGUI_HMI) and self.changed and not self.inhibit:
-            self.changed = False
-            d = interface.sendData(self)
-            if d is not None:
-                self.inhibit = True
-                d.addCallback(self.InterfaceRefreshed)
-    
-    def InterfaceRefreshed(self, result):
-        self.inhibit = False
-        if self.changed:
-            self.RefreshInterface()
-
-def get_object_init_state(obj):
-    # Convert objects to a dictionary of their representation
-    attrs = obj.attrs.copy()
-    attrs.update(obj.inputs)
-    d = { '__class__': obj.classname,
-          'id': obj.id,
-          'kwargs': json.dumps(attrs),
-          }
-    return d
-
-def get_object_current_state(obj):
-    # Convert objects to a dictionary of their representation
-    d = { '__class__': obj.classname,
-          'id': obj.id,
-          'kwargs': json.dumps(obj.outputs),
-          }
-    return d
-
-class SVGUI_HMI(website.PLCHMI):
-    jsClass = u"LiveSVGPage.LiveSVGWidget"
-    
-    docFactory = loaders.stan(tags.div(render=tags.directive('liveElement'))[                                    
-                                         tags.xml(loaders.xmlfile(os.path.join(WorkingDir, svgfile))),
-                                         ])
-    
-    def HMIinitialisation(self):
-        gadgets = []
-        for gadget in svguiWidgets.values():
-            gadgets.append(unicode(json.dumps(gadget, default=get_object_init_state, indent=2), 'ascii'))
-        d = self.callRemote('init', gadgets)
-        d.addCallback(self.HMIinitialised)
-    
-    def sendData(self,data):
-        if self.initialised:
-            return self.callRemote('receiveData',unicode(json.dumps(data, default=get_object_current_state, indent=2), 'ascii'))
-        return None
-        
-    def setattr(self, id, attrname, value):
-        svguiWidgets[id].setinput(attrname, value)
-
-def createSVGUIControl(*args, **kwargs):
-    id = getNewId()
-    gad = SvguiWidget(args[0], id, **kwargs)
-    svguiWidgets[id] = gad
-    gadget = [unicode(json.dumps(gad, default=get_object_init_state, indent=2), 'ascii')]
-    interface = website.getHMI()
-    if isinstance(interface, SVGUI_HMI) and interface.initialised:
-        interface.callRemote('init', gadget)
-    return id
-
-def setAttr(id, attrname, value):
-    gad = svguiWidgets.get(id, None)
-    if gad is not None:
-        gad.setoutput(attrname, value)
-
-def updateAttr(id, **kwargs):
-    gad = svguiWidgets.get(id, None)
-    if gad is not None:
-        gad.updateoutput(**kwargs)
-
-def getAttr(id, attrname, default=None):
-    gad = svguiWidgets.get(id, None)
-    if gad is not None:
-        return gad.getinput(attrname, default)
-    return default
-