Ext.KeyMap=function(c,b,a){this.el=Ext.get(c);this.eventName=a||"keydown";this.bindings=[];if(b){this.addBinding(b)}this.enable()};Ext.KeyMap.prototype={stopEvent:false,addBinding:function(d){if(Ext.isArray(d)){for(var f=0,h=d.length;f<h;f++){this.addBinding(d[f])}return}var p=d.key,c=d.shift,a=d.ctrl,g=d.alt,l=d.fn||d.handler,o=d.scope;if(d.stopEvent){this.stopEvent=d.stopEvent}if(typeof p=="string"){var m=[];var k=p.toUpperCase();for(var e=0,h=k.length;e<h;e++){m.push(k.charCodeAt(e))}p=m}var b=Ext.isArray(p);var n=function(s){if((!c||s.shiftKey)&&(!a||s.ctrlKey)&&(!g||s.altKey)){var q=s.getKey();if(b){for(var r=0,j=p.length;r<j;r++){if(p[r]==q){if(this.stopEvent){s.stopEvent()}l.call(o||window,q,s);return}}}else{if(q==p){if(this.stopEvent){s.stopEvent()}l.call(o||window,q,s)}}}};this.bindings.push(n)},on:function(b,d,c){var g,a,e,f;if(typeof b=="object"&&!Ext.isArray(b)){g=b.key;a=b.shift;e=b.ctrl;f=b.alt}else{g=b}this.addBinding({key:g,shift:a,ctrl:e,alt:f,fn:d,scope:c})},handleKeyDown:function(f){if(this.enabled){var c=this.bindings;for(var d=0,a=c.length;d<a;d++){c[d].call(this,f)}}},isEnabled:function(){return this.enabled},enable:function(){if(!this.enabled){this.el.on(this.eventName,this.handleKeyDown,this);this.enabled=true}},disable:function(){if(this.enabled){this.el.removeListener(this.eventName,this.handleKeyDown,this);this.enabled=false}}};