/*
(c) Copyrights 2007 - 2008

Original idea by by Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
 
jQuery Plugin by Tzury Bar Yochay 
tzury.by@gmail.com
http://evalinux.wordpress.com
http://facebook.com/profile.php?id=513676303

Project's sites: 
http://code.google.com/p/js-hotkeys/
http://github.com/tzuryby/hotkeys/tree/master

License: same as jQuery license. 

USAGE:
    // simple usage
    $(document).bind('keydown', 'Ctrl+c', function(){ alert('copy anyone?');});
    
    // special options such as disableInIput
    $(document).bind('keydown', {combi:'Ctrl+x', disableInInput: true} , function() {});
    
Note:
    This plugin wraps the following jQuery methods: $.fn.find, $.fn.bind and $.fn.unbind
*/
(function(jQuery){jQuery.fn.__bind__=jQuery.fn.bind;jQuery.fn.__unbind__=jQuery.fn.unbind;jQuery.fn.__find__=jQuery.fn.find;var hotkeys={version:'0.7.9',override:/keypress|keydown|keyup/g,triggersMap:{},specialKeys:{27:'esc',9:'tab',32:'space',13:'return',8:'backspace',145:'scroll',20:'capslock',144:'numlock',19:'pause',45:'insert',36:'home',46:'del',35:'end',33:'pageup',34:'pagedown',37:'left',38:'up',39:'right',40:'down',109:'-',112:'f1',113:'f2',114:'f3',115:'f4',116:'f5',117:'f6',118:'f7',119:'f8',120:'f9',121:'f10',122:'f11',123:'f12',191:'/'},shiftNums:{"`":"~","1":"!","2":"@","3":"#","4":"$","5":"%","6":"^","7":"&","8":"*","9":"(","0":")","-":"_","=":"+",";":":","'":"\"",",":"<",".":">","/":"?","\\":"|"},newTrigger:function(type,combi,callback){var result={};result[type]={};result[type][combi]={cb:callback,disableInInput:false};return result;}};hotkeys.specialKeys=jQuery.extend(hotkeys.specialKeys,{96:'0',97:'1',98:'2',99:'3',100:'4',101:'5',102:'6',103:'7',104:'8',105:'9',106:'*',107:'+',109:'-',110:'.',111:'/'});jQuery.fn.find=function(selector){this.query=selector;return jQuery.fn.__find__.apply(this,arguments);};jQuery.fn.unbind=function(type,combi,fn){if(jQuery.isFunction(combi)){fn=combi;combi=null;}
if(combi&&typeof combi==='string'){var selectorId=((this.prevObject&&this.prevObject.query)||(this[0].id&&this[0].id)||this[0]).toString();var hkTypes=type.split(' ');for(var x=0;x<hkTypes.length;x++){delete hotkeys.triggersMap[selectorId][hkTypes[x]][combi];}}
return this.__unbind__(type,fn);};jQuery.fn.bind=function(type,data,fn){var handle=type.match(hotkeys.override);if(jQuery.isFunction(data)||!handle){return this.__bind__(type,data,fn);}
else{var result=null,pass2jq=jQuery.trim(type.replace(hotkeys.override,''));if(pass2jq){result=this.__bind__(pass2jq,data,fn);}
if(typeof data==="string"){data={'combi':data};}
if(data.combi){for(var x=0;x<handle.length;x++){var eventType=handle[x];var combi=data.combi.toLowerCase(),trigger=hotkeys.newTrigger(eventType,combi,fn),selectorId=((this.prevObject&&this.prevObject.query)||(this[0].id&&this[0].id)||this[0]).toString();trigger[eventType][combi].disableInInput=data.disableInInput;if(!hotkeys.triggersMap[selectorId]){hotkeys.triggersMap[selectorId]=trigger;}
else if(!hotkeys.triggersMap[selectorId][eventType]){hotkeys.triggersMap[selectorId][eventType]=trigger[eventType];}
var mapPoint=hotkeys.triggersMap[selectorId][eventType][combi];if(!mapPoint){hotkeys.triggersMap[selectorId][eventType][combi]=[trigger[eventType][combi]];}
else if(mapPoint.constructor!==Array){hotkeys.triggersMap[selectorId][eventType][combi]=[mapPoint];}
else{hotkeys.triggersMap[selectorId][eventType][combi][mapPoint.length]=trigger[eventType][combi];}
this.each(function(){var jqElem=jQuery(this);if(jqElem.attr('hkId')&&jqElem.attr('hkId')!==selectorId){selectorId=jqElem.attr('hkId')+";"+selectorId;}
jqElem.attr('hkId',selectorId);});result=this.__bind__(handle.join(' '),data,hotkeys.handler)}}
return result;}};hotkeys.findElement=function(elem){if(!jQuery(elem).attr('hkId')){if(jQuery.browser.opera||jQuery.browser.safari){while(!jQuery(elem).attr('hkId')&&elem.parentNode){elem=elem.parentNode;}}}
return elem;};hotkeys.handler=function(event){var target=hotkeys.findElement(event.currentTarget),jTarget=jQuery(target),ids=jTarget.attr('hkId');if(ids){ids=ids.split(';');var code=event.which,type=event.type,special=hotkeys.specialKeys[code],character=!special&&String.fromCharCode(code).toLowerCase(),shift=event.shiftKey,ctrl=event.ctrlKey,alt=event.altKey||event.originalEvent.altKey,mapPoint=null;for(var x=0;x<ids.length;x++){if(hotkeys.triggersMap[ids[x]][type]){mapPoint=hotkeys.triggersMap[ids[x]][type];break;}}
if(mapPoint){var trigger;if(!shift&&!ctrl&&!alt){trigger=mapPoint[special]||(character&&mapPoint[character]);}
else{var modif='';if(alt)modif+='alt+';if(ctrl)modif+='ctrl+';if(shift)modif+='shift+';trigger=mapPoint[modif+special];if(!trigger){if(character){trigger=mapPoint[modif+character]||mapPoint[modif+hotkeys.shiftNums[character]]||(modif==='shift+'&&mapPoint[hotkeys.shiftNums[character]]);}}}
if(trigger){var result=false;for(var x=0;x<trigger.length;x++){if(trigger[x].disableInInput){var elem=jQuery(event.target);if(jTarget.is("input")||jTarget.is("textarea")||jTarget.is("select")||elem.is("input")||elem.is("textarea")||elem.is("select")){return true;}}
result=result||trigger[x].cb.apply(this,[event]);}
return result;}}}};window.hotkeys=hotkeys;return jQuery;})(jQuery);