view pyink/dom_event.py @ 1401:2fc1f54a1a3b

Mainly fix the clone_from_subtree to update the children of the parent node. We need to clearify all related codes in the future to make the logic more clear.
author wycc
date Sun, 03 Apr 2011 18:12:42 +0800
parents 5313bbfafa67
children
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import pybInkscape

class ObjectWatcher(pybInkscape.PYNodeObserver):
    def __init__(self, obj, type, func, arg):
        self.obj = obj
	self.type = type
	self.func = func
	self.arg = arg

    def notifyChildAdded(self, node, child, prev):
        if self.type == 'DOMNodeInserted':
	    self.func(node, child)
    def notifyChildRemoved(self, node, child, prev):
        if self.type == 'DOMNodeRemoved':
	    self.func(node, child)
    def notifyChildOrderChanged(self, node, child, old_prev, new_prev):
        pass
    def notifyContentChanged(self,node,old_content,new_content):
        if self.type == 'DOMSubtreeModified':
	    self.func(node)
    def notifyAttributeChanged(self,node, name, old_value, new_value):
        if self.type == 'DOMAttrModified':
	    self.func(node, name, old_value, new_value)

def addEventListener(obj, type, func, arg):
    obs = ObjectWatcher(obj, type, func, arg)
    obj.addSubtreeObserver(obs)
    pass