# HG changeset patch
# User paulb
# Date 1173745005 0
# Node ID 98c4b591d9b06d707bf22640226217e831a0175e
# Parent  35414ebe6a437eed24a0b6d6616ee2f361e396b6
[project @ 2007-03-13 00:16:45 by paulb]
Added an adoptDocument method to Implementation classes, along with usage
of the method in the libxml2dom.parse* functions.
Expanded the SVG support slightly.
Added an events module which, when complete, will provide events support
for the SVG elements.

diff -r 35414ebe6a43 -r 98c4b591d9b0 libxml2dom/events.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libxml2dom/events.py	Tue Mar 13 00:16:45 2007 +0000
@@ -0,0 +1,94 @@
+#!/usr/bin/env python
+
+"""
+DOM events support.
+
+Copyright (C) 2007 Paul Boddie <paul@boddie.org.uk>
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+"""
+
+class EventException(Exception):
+
+    UNSPECIFIED_EVENT_TYPE_ERR = 0
+    DISPATCH_REQUEST_ERR = 1
+
+class Event:
+
+    CAPTURING_PHASE = 1
+    AT_TARGET = 2
+    BUBBLING_PHASE = 3
+
+    def __init__(self):
+        type
+        target
+        currentTarget
+        eventPhase
+        bubbles
+        cancelable
+        timeStamp
+        namespaceURI
+        defaultPrevented
+
+    def initEvent(self, eventTypeArg, canBubbleArg, cancelableArg):
+        pass
+
+    def initEvent(self, eventTypeArg, canBubbleArg, cancelableArg):
+        pass
+
+    def initEventNS(self, namespaceURIArg, eventTypeArg, canBubbleArg, cancelableArg):
+        pass
+
+    def preventDefault(self):
+        pass
+
+    def stopPropagation(self):
+        pass
+
+    def stopImmediatePropagation(self):
+        pass
+
+class EventTarget:
+
+    "An event target class."
+
+    def __init__(self):
+        self.listeners = {}
+
+    def addEventListener(self, type, listener, useCapture):
+        self.addEventListenerNS(None, type, listener, useCapture)
+
+    def addEventListenerNS(self, namespaceURI, type, listener, useCapture):
+        if not self.listeners.has_key((namespaceURI, type)):
+            self.listeners[(namespaceURI, type)] = []
+        self.listeners[(namespaceURI, type)].append((listener, useCapture))
+
+    def dispatchEvent(self, evt):
+        if not evt.type:
+            raise EventException(EventException.UNSPECIFIED_EVENT_TYPE_ERR)
+        # NOTE: Dispatch on namespaceURI, type...
+
+    def removeEventListener(self, type, listener, useCapture):
+        self.removeEventListenerNS(None, type, listener, useCapture)
+
+    def removeEventListenerNS(self, namespaceURI, type, listener, useCapture):
+        if self.listeners.has_key((namespaceURI, type)):
+            listeners = self.listeners[(namespaceURI, type)]
+            try:
+                listeners.remove((listener, useCapture))
+            except ValueError:
+                pass
+
+# vim: tabstop=4 expandtab shiftwidth=4
diff -r 35414ebe6a43 -r 98c4b591d9b0 libxml2dom/svg.py
--- a/libxml2dom/svg.py	Tue Mar 13 00:15:13 2007 +0000
+++ b/libxml2dom/svg.py	Tue Mar 13 00:16:45 2007 +0000
@@ -1,7 +1,8 @@
 #!/usr/bin/env python
 
 """
-SVG-specific document support.
+SVG-specific document support. See: 
+http://www.w3.org/TR/SVGMobile12/python-binding.html
 
 Copyright (C) 2007 Paul Boddie <paul@boddie.org.uk>
 
@@ -29,20 +30,51 @@
     toString as Node_toString, toStream as Node_toStream, \
     toFile as Node_toFile
 
+SVG_NAMESPACE = "http://www.w3.org/2000/svg"
+
 class SVGImplementation(libxml2dom.Implementation):
 
     "Contains an SVG-specific implementation."
 
+    # Wrapping of documents.
+
+    def adoptDocument(self, node):
+        return SVGDocument(node, self)
+
+    # Factory functions.
+
     def get_node(self, _node, context_node):
         if Node_nodeType(_node) == context_node.ELEMENT_NODE and \
-            Node_namespaceURI(_node) == "http://www.w3.org/2000/svg" and \
-            Node_localName(_node) == "svg":
+            Node_namespaceURI(_node) == SVG_NAMESPACE:
 
-            return SVGElement(_node, self, context_node.ownerDocument)
+            if Node_localName(_node) == "svg":
+                return SVGSVGElement(_node, self, context_node.ownerDocument)
+            else:
+                return SVGElement(_node, self, context_node.ownerDocument)
         else:
             return libxml2dom.Implementation.get_node(self, _node, context_node)
 
-class SVGElement(libxml2dom.Node):
+class SVGElement(libxml2dom.Node): # Element, EventTarget, TraitAccess, ElementTraversal
+
+    "An SVG-specific element."
+
+    def _id(self):
+        return self.getAttribute("id")
+
+    def _setId(self, value):
+        self.setAttribute("id", value)
+
+    id = property(_id, _setId)
+
+class SVGLocatable:
+
+    "A locatable interface."
+
+class SVGLocatableElement(SVGElement, SVGLocatable):
+
+    "A locatable element."
+
+class SVGSVGElement(SVGLocatableElement): # SVGTimedElement
 
     "An SVG-specific top-level element."
 
@@ -58,6 +90,14 @@
     NAV_LEFT = 10
     NAV_UP_LEFT = 11
 
+class SVGDocument(libxml2dom.Document):
+
+    "An SVG-specific document node."
+
+    # NOTE: Define global (SVGGlobal).
+
+# Convenience functions.
+
 def parse(stream_or_string, html=0):
     return libxml2dom.parse(stream_or_string, html, default_impl)