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Contents
// ========================================================================
// SproutCore -- JavaScript Application Framework
// Copyright ©2006-2008, Sprout Systems, Inc. and contributors.
// Portions copyright ©2008 Apple, Inc. All rights reserved.
// ========================================================================
// This file defines some basic extensions to the built-in Event object to
// provide some common utility functions.
SC.mixin(SC.Event, /** @scope SC.Event */ {
/** @deprecated
Returns the character code for the passed event. This is no longer needed
as you can now use the .which property on the event itself.
*/
getCharCode: function(e) {
return (e.keyCode) ? e.keyCode : ((e.which)?e.which:0) ;
},
/** @deprecated
Returns the pressed character as a string. You should instead use the
getCharString() method defined on the event itself.
*/
getCharString: function(e) {
return String.fromCharCode(Event.getCharCode(e)) ;
},
/** @deprecated
Returns the pointer location on the page for the passed event. You should
now use the pageX and pageY properties on the event instead.
*/
pointerLocation: function(event) {
var ret = {
x: event.pageX || (event.clientX +
(document.documentElement.scrollLeft || document.body.scrollLeft)),
y: event.pageY || (event.clientY +
(document.documentElement.scrollTop || document.body.scrollTop))
};
return ret ;
},
/** @deprecated
Stops an event both from performing the default action and from bubbling.
Instead all event.stop() directly on the event.
*/
stop: function(event) { return event.stop() ;},
ALT_KEY: '_ALT',
CTRL_KEY: '_CTRL',
SHIFT_KEY: '_SHIFT'
});
// These enhancements were once provided on the native Event class also.
"getCharCode getCharString pointerLocation ALT_KEY CTRL_KEY SHIFT_KEY".split(' ').forEach(function(key){
Event[key] = SC.Event[key] ;
}) ;
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