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Filename : jquery.maskedinput.js
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(function(factory){if(typeof define==='function'&&define.amd){define(['jquery'],factory);}else if(typeof exports==='object'){factory(require('jquery'));}else{factory(jQuery);}}(function($){var ua=navigator.userAgent,iPhone=/iphone/i.test(ua),chrome=/chrome/i.test(ua),android=/android/i.test(ua),caretTimeoutId;$.mask={definitions:{'9':"[0-9]",'a':"[A-Za-z]",'*':"[A-Za-z0-9]"},autoclear:true,dataName:"rawMaskFn",placeholder:'_'};$.fn.extend({caret:function(begin,end){var range;if(this.length===0||this.is(":hidden")||this.get(0)!==document.activeElement){return;}
if(typeof begin=='number'){end=(typeof end==='number')?end:begin;return this.each(function(){if(this.setSelectionRange){this.setSelectionRange(begin,end);}else if(this.createTextRange){range=this.createTextRange();range.collapse(true);range.moveEnd('character',end);range.moveStart('character',begin);range.select();}});}else{if(this[0].setSelectionRange){begin=this[0].selectionStart;end=this[0].selectionEnd;}else if(document.selection&&document.selection.createRange){range=document.selection.createRange();begin=0-range.duplicate().moveStart('character',-100000);end=begin+range.text.length;}
return{begin:begin,end:end};}},unmask:function(){return this.trigger("unmask");},mask:function(mask,settings){var input,defs,tests,partialPosition,firstNonMaskPos,lastRequiredNonMaskPos,len,oldVal;if(!mask&&this.length>0){input=$(this[0]);var fn=input.data($.mask.dataName)
return fn?fn():undefined;}
settings=$.extend({autoclear:$.mask.autoclear,placeholder:$.mask.placeholder,completed:null},settings);defs=$.mask.definitions;tests=[];partialPosition=len=mask.length;firstNonMaskPos=null;mask=String(mask);$.each(mask.split(""),function(i,c){if(c=='?'){len--;partialPosition=i;}else if(defs[c]){tests.push(new RegExp(defs[c]));if(firstNonMaskPos===null){firstNonMaskPos=tests.length-1;}
if(i<partialPosition){lastRequiredNonMaskPos=tests.length-1;}}else{tests.push(null);}});return this.trigger("unmask").each(function(){var input=$(this),buffer=$.map(mask.split(""),function(c,i){if(c!='?'){return defs[c]?getPlaceholder(i):c;}}),defaultBuffer=buffer.join(''),focusText=input.val();function tryFireCompleted(){if(!settings.completed){return;}
for(var i=firstNonMaskPos;i<=lastRequiredNonMaskPos;i++){if(tests[i]&&buffer[i]===getPlaceholder(i)){return;}}
settings.completed.call(input);}
function getPlaceholder(i){if(i<settings.placeholder.length)
return settings.placeholder.charAt(i);return settings.placeholder.charAt(0);}
function seekNext(pos){while(++pos<len&&!tests[pos]);return pos;}
function seekPrev(pos){while(--pos>=0&&!tests[pos]);return pos;}
function shiftL(begin,end){var i,j;if(begin<0){return;}
for(i=begin,j=seekNext(end);i<len;i++){if(tests[i]){if(j<len&&tests[i].test(buffer[j])){buffer[i]=buffer[j];buffer[j]=getPlaceholder(j);}else{break;}
j=seekNext(j);}}
writeBuffer();input.caret(Math.max(firstNonMaskPos,begin));}
function shiftR(pos){var i,c,j,t;for(i=pos,c=getPlaceholder(pos);i<len;i++){if(tests[i]){j=seekNext(i);t=buffer[i];buffer[i]=c;if(j<len&&tests[j].test(t)){c=t;}else{break;}}}}
function androidInputEvent(e){var curVal=input.val();var pos=input.caret();if(oldVal&&oldVal.length&&oldVal.length>curVal.length){checkVal(true);while(pos.begin>0&&!tests[pos.begin-1])
pos.begin--;if(pos.begin===0)
{while(pos.begin<firstNonMaskPos&&!tests[pos.begin])
pos.begin++;}
input.caret(pos.begin,pos.begin);}else{var pos2=checkVal(true);var lastEnteredValue=curVal.charAt(pos.begin);if(pos.begin<len){if(!tests[pos.begin]){pos.begin++;if(tests[pos.begin].test(lastEnteredValue)){pos.begin++;}}else{if(tests[pos.begin].test(lastEnteredValue)){pos.begin++;}}}
input.caret(pos.begin,pos.begin);}
tryFireCompleted();}
function blurEvent(e){checkVal();if(input.val()!=focusText)
input.change();}
function keydownEvent(e){if(input.prop("readonly")){return;}
var k=e.which||e.keyCode,pos,begin,end;oldVal=input.val();if(k===8||k===46||(iPhone&&k===127)){pos=input.caret();begin=pos.begin;end=pos.end;if(end-begin===0){begin=k!==46?seekPrev(begin):(end=seekNext(begin-1));end=k===46?seekNext(end):end;}
clearBuffer(begin,end);shiftL(begin,end-1);e.preventDefault();}else if(k===13){blurEvent.call(this,e);}else if(k===27){input.val(focusText);input.caret(0,checkVal());e.preventDefault();}}
function keypressEvent(e){if(input.prop("readonly")){return;}
var k=e.which||e.keyCode,pos=input.caret(),p,c,next;if(e.ctrlKey||e.altKey||e.metaKey||k<32){return;}else if(k&&k!==13){if(pos.end-pos.begin!==0){clearBuffer(pos.begin,pos.end);shiftL(pos.begin,pos.end-1);}
p=seekNext(pos.begin-1);if(p<len){c=String.fromCharCode(k);if(tests[p].test(c)){shiftR(p);buffer[p]=c;writeBuffer();next=seekNext(p);if(android){var proxy=function(){$.proxy($.fn.caret,input,next)();};setTimeout(proxy,0);}else{input.caret(next);}
if(pos.begin<=lastRequiredNonMaskPos){tryFireCompleted();}}}
e.preventDefault();}}
function clearBuffer(start,end){var i;for(i=start;i<end&&i<len;i++){if(tests[i]){buffer[i]=getPlaceholder(i);}}}
function writeBuffer(){input.val(buffer.join(''));}
function checkVal(allow){var test=input.val(),lastMatch=-1,i,c,pos;for(i=0,pos=0;i<len;i++){if(tests[i]){buffer[i]=getPlaceholder(i);while(pos++<test.length){c=test.charAt(pos-1);if(tests[i].test(c)){buffer[i]=c;lastMatch=i;break;}}
if(pos>test.length){clearBuffer(i+1,len);break;}}else{if(buffer[i]===test.charAt(pos)){pos++;}
if(i<partialPosition){lastMatch=i;}}}
if(allow){writeBuffer();}else if(lastMatch+1<partialPosition){if(settings.autoclear||buffer.join('')===defaultBuffer){if(input.val())input.val("");clearBuffer(0,len);}else{writeBuffer();}}else{writeBuffer();input.val(input.val().substring(0,lastMatch+1));}
return(partialPosition?i:firstNonMaskPos);}
input.data($.mask.dataName,function(){return $.map(buffer,function(c,i){return tests[i]&&c!=getPlaceholder(i)?c:null;}).join('');});input.one("unmask",function(){input.off(".mask").removeData($.mask.dataName);}).on("focus.mask",function(){if(input.prop("readonly")){return;}
clearTimeout(caretTimeoutId);var pos;focusText=input.val();pos=checkVal();caretTimeoutId=setTimeout(function(){if(input.get(0)!==document.activeElement){return;}
writeBuffer();if(pos==mask.replace("?","").length){input.caret(0,pos);}else{input.caret(pos);}},10);}).on("blur.mask",blurEvent).on("keydown.mask",keydownEvent).on("keypress.mask",keypressEvent).on("input.mask paste.mask",function(){if(input.prop("readonly")){return;}
setTimeout(function(){var pos=checkVal(true);input.caret(pos);tryFireCompleted();},0);});if(chrome&&android)
{input.off('input.mask').on('input.mask',androidInputEvent);}
checkVal();});}});}));