(function(){var Keyboard=this.Keyboard=new Class({Extends:Events,Implements:[Options,Log],options:{defaultEventType:'keydown',active:false,manager:null,events:{},nonParsedEvents:['activate','deactivate','onactivate','ondeactivate','changed','onchanged']},initialize:function(options){if(options.manager){this.manager=options.manager;delete options.manager;}
this.setOptions(options);this.setup();},setup:function(){this.addEvents(this.options.events);if(Keyboard.manager&&!this.manager)Keyboard.manager.manage(this);if(this.options.active)this.activate();},handle:function(event,type){if(event.preventKeyboardPropagation)return;var bubbles=!!this.manager;if(bubbles&&this.activeKB){this.activeKB.handle(event,type);if(event.preventKeyboardPropagation)return;}
this.fireEvent(type,event);if(!bubbles&&this.activeKB)this.activeKB.handle(event,type);},addEvent:function(type,fn,internal){return this.parent(Keyboard.parse(type,this.options.defaultEventType,this.options.nonParsedEvents),fn,internal);},removeEvent:function(type,fn){return this.parent(Keyboard.parse(type,this.options.defaultEventType,this.options.nonParsedEvents),fn);},toggleActive:function(){return this[this.active?'deactivate':'activate']();},activate:function(instance){if(instance){if(instance.isActive())return this;if(instance!=this.activeKB)this.previous=this.activeKB;this.activeKB=instance.fireEvent('activate');Keyboard.manager.fireEvent('changed');}else if(this.manager){this.manager.activate(this);}
return this;},isActive:function(){return this.manager?this.manager.activeKB==this:Keyboard.manager==this;},deactivate:function(instance){if(instance){if(instance===this.activeKB){this.activeKB=null;instance.fireEvent('deactivate');Keyboard.manager.fireEvent('changed');}}else if(this.manager){this.manager.deactivate(this);}
return this;},relinquish:function(){if(this.isActive()&&this.manager&&this.manager.previous)this.manager.activate(this.manager.previous);},manage:function(instance){if(instance.manager)instance.manager.drop(instance);this.instances.push(instance);instance.manager=this;if(!this.activeKB)this.activate(instance);},_disable:function(instance){if(this.activeKB==instance)this.activeKB=null;},drop:function(instance){this._disable(instance);this.instances.erase(instance);if(this.activeKB==instance&&this.previous&&this.instances.contains(this.previous))this.activate(this.previous);},instances:[],trace:function(){Keyboard.trace(this);},each:function(fn){Keyboard.each(this,fn);}});var parsed={};var modifiers=['shift','control','alt','meta'];var regex=/^(?:shift|control|ctrl|alt|meta)$/;Keyboard.parse=function(type,eventType,ignore){if(ignore&&ignore.contains(type.toLowerCase()))return type;type=type.toLowerCase().replace(/^(keyup|keydown):/,function($0,$1){eventType=$1;return'';});if(!parsed[type]){var key,mods={};type.split('+').each(function(part){if(regex.test(part))mods[part]=true;else key=part;});mods.control=mods.control||mods.ctrl;var keys=[];modifiers.each(function(mod){if(mods[mod])keys.push(mod);});if(key)keys.push(key);parsed[type]=keys.join('+');}
return eventType+':'+parsed[type];};Keyboard.each=function(keyboard,fn){var current=keyboard||Keyboard.manager;while(current){fn.run(current);current=current.activeKB;}};Keyboard.stop=function(event){event.preventKeyboardPropagation=true;};Keyboard.manager=new Keyboard({active:true});Keyboard.trace=function(keyboard){keyboard=keyboard||Keyboard.manager;keyboard.enableLog();keyboard.log('the following items have focus: ');Keyboard.each(keyboard,function(current){keyboard.log(document.id(current.widget)||current.wiget||current);});};var handler=function(event){var keys=[];modifiers.each(function(mod){if(event[mod])keys.push(mod);});if(!regex.test(event.key))keys.push(event.key);Keyboard.manager.handle(event,event.type+':'+keys.join('+'));};document.addEvents({'keyup':handler,'keydown':handler});Event.Keys.extend({'shift':16,'control':17,'alt':18,'capslock':20,'pageup':33,'pagedown':34,'end':35,'home':36,'numlock':144,'scrolllock':145,';':186,'=':187,',':188,'-':Browser.Engine.gecko?109:189,'.':190,'/':191,'`':192,'[':219,'\\':220,']':221,"'":222});})();
/* Wed, 24 Mar 2010 00:04:07 GMT js/libs/mootools-1.2.4/Keyboard.js */