david
28b02db2ea
git-svn-id: https://192.168.0.254/svn/Proyectos.Incam_SGD/tags/3.7.0.2_original@1 eb19766c-00d9-a042-a3a0-45cb8ec72764
19 lines
1.8 KiB
JavaScript
19 lines
1.8 KiB
JavaScript
/*
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* Ext JS Library 2.3.0
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* Copyright(c) 2006-2009, Ext JS, LLC.
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* licensing@extjs.com
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*
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* http://extjs.com/license
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*/
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Ext.KeyMap=function(el,config,eventName){this.el=Ext.get(el);this.eventName=eventName||"keydown";this.bindings=[];if(config){this.addBinding(config);}
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this.enable();};Ext.KeyMap.prototype={stopEvent:false,addBinding:function(config){if(Ext.isArray(config)){for(var i=0,len=config.length;i<len;i++){this.addBinding(config[i]);}
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return;}
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var keyCode=config.key,shift=config.shift,ctrl=config.ctrl,alt=config.alt,fn=config.fn||config.handler,scope=config.scope;if(config.stopEvent){this.stopEvent=config.stopEvent;}
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if(typeof keyCode=="string"){var ks=[];var keyString=keyCode.toUpperCase();for(var j=0,len=keyString.length;j<len;j++){ks.push(keyString.charCodeAt(j));}
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keyCode=ks;}
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var keyArray=Ext.isArray(keyCode);var handler=function(e){if((!shift||e.shiftKey)&&(!ctrl||e.ctrlKey)&&(!alt||e.altKey)){var k=e.getKey();if(keyArray){for(var i=0,len=keyCode.length;i<len;i++){if(keyCode[i]==k){if(this.stopEvent){e.stopEvent();}
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fn.call(scope||window,k,e);return;}}}else{if(k==keyCode){if(this.stopEvent){e.stopEvent();}
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fn.call(scope||window,k,e);}}}};this.bindings.push(handler);},on:function(key,fn,scope){var keyCode,shift,ctrl,alt;if(typeof key=="object"&&!Ext.isArray(key)){keyCode=key.key;shift=key.shift;ctrl=key.ctrl;alt=key.alt;}else{keyCode=key;}
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this.addBinding({key:keyCode,shift:shift,ctrl:ctrl,alt:alt,fn:fn,scope:scope})},handleKeyDown:function(e){if(this.enabled){var b=this.bindings;for(var i=0,len=b.length;i<len;i++){b[i].call(this,e);}}},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;}}}; |