source: Dev/trunk/src/client/dojo/_base/event.js

define(["./kernel", "../on", "../has", "../dom-geometry"], function(dojo, on, has, dom){
        // module:
        //              dojo/_base/event

        if(on._fixEvent){
                var fixEvent = on._fixEvent;
                on._fixEvent = function(evt, se){
                        // add some additional normalization for back-compat, this isn't in on.js because it is somewhat more expensive
                        evt = fixEvent(evt, se);
                        if(evt){
                                dom.normalizeEvent(evt);
                        }
                        return evt;
                };              
        }
        
        var ret = {
                // summary:
                //              This module defines dojo DOM event API.   Usually you should use dojo/on, and evt.stopPropagation() +
                //              evt.preventDefault(), rather than this module.

                fix: function(/*Event*/ evt, /*DOMNode*/ sender){
                        // summary:
                        //              normalizes properties on the event object including event
                        //              bubbling methods, keystroke normalization, and x/y positions
                        // evt: Event
                        //              native event object
                        // sender: DOMNode
                        //              node to treat as "currentTarget"
                        if(on._fixEvent){
                                return on._fixEvent(evt, sender);
                        }
                        return evt;     // Event
                },
        
                stop: function(/*Event*/ evt){
                        // summary:
                        //              prevents propagation and clobbers the default action of the
                        //              passed event
                        // evt: Event
                        //              The event object. If omitted, window.event is used on IE.
                        if(has("dom-addeventlistener") || (evt && evt.preventDefault)){
                                evt.preventDefault();
                                evt.stopPropagation();
                        }else{
                                evt = evt || window.event;
                                evt.cancelBubble = true;
                                on._preventDefault.call(evt);
                        }
                }
        };

        if(has("extend-dojo")){
                dojo.fixEvent = ret.fix;
                dojo.stopEvent = ret.stop;
        }

        return ret;
});