var handle = elemData.handle;
if ( handle ) {
handle.elem = null;
}
delete elemData.events;
delete elemData.handle;
if ( isEmptyObject( elemData ) ) {
dataManager.removeData( elem, ‘events’ );
}
}
}
function Event( src ) {
this.originalEvent = src;
this.type = src.type;
this.timeStamp = now();
}
Event.prototype = {
preventDefault: function() {
this.isDefaultPrevented = returnTrue;
var e = this.originalEvent;
if( e.preventDefault ) {
e.preventDefault();
}
e.returnValue = false;
},
stopPropagation: function() {
this.isPropagationStopped = returnTrue;
var e = this.originalEvent;
if( e.stopPropagation ) {
e.stopPropagation();
}
e.cancelBubble = true;
},
stopImmediatePropagation: function() {
this.isImmediatePropagationStopped = returnTrue;
this.stopPropagation();
},
isDefaultPrevented: returnFalse,
isPropagationStopped: returnFalse,
isImmediatePropagationStopped: returnFalse
};
function fixEvent( evt ) {
var props = “altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode layerX layerY metaKey newValue offsetX offsetY originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which”.split(” “),
len = props.length;
var originalEvent = evt;
evt = new Event(originalEvent);
for(var i = len, prop; i;) {
prop = props[ –i ];
evt[ prop ] = originalEvent[ prop ];
}
if(!evt.target) {
evt.target = evt.srcElement || document;
}
if( evt.target.nodeType === 3 ) {
evt.target = evt.target.parentNode;
}
if( !evt.relatedTarget && evt.fromElement ) {
evt.relatedTarget = evt.fromElement === evt.target ? evt.toElement : evt.fromElement;
}
if( evt.pageX == null && evt.clientX != null ) {
var doc = document.documentElement, body = document.body;
evt.pageX = evt.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) – (doc && doc.clientLeft || body && body.clientLeft || 0);
evt.pageY = evt.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) – (doc && doc.clientTop || body && body.clientTop || 0);
}
if( !evt.which && ((evt.charCode || evt.charCode === 0) ? evt.charCode : evt.keyCode) ) {
evt.which = evt.charCode || evt.keyCode;
}
if( !evt.metaKey && evt.ctrlKey ) {
evt.metaKey = evt.ctrlKey;
}
if( !evt.which && evt.button !== undefined ) {
evt.which = (evt.button & 1 ? 1 : ( evt.button & 2 ? 3 : ( evt.button & 4 ? 2 : 0 ) ));
}
return evt;
}
function bind ( el, type, fn, data ) {
var handler;
if( typeof type === “object” ) {
for( var key in type ) {
bind(el, key, type[key], data);
