(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS
factory(require('jquery'));
} else {
// Browser globals
factory(jQuery);
}
}(function ($) {
var ua = navigator.userAgent,
iPhone = /iphone/i.test(ua),
chrome = /chrome/i.test(ua),
android = /android/i.test(ua),
caretTimeoutId;
$.mask = {
//Predefined character definitions
definitions: {
'9': "[0-9]",
'a': "[A-Za-z]",
'*': "[A-Za-z0-9]"
},
autoclear: true,
dataName: "rawMaskFn",
placeholder: '_'
};
$.fn.extend({
//Helper Function for Caret positioning
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, // Load default 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 ) {
// a deletion or backspace happened
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();
//backspace, delete, and escape get special treatment
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 ) { // enter
blurEvent.call(this, e);
} else if (k === 27) { // escape
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) {//Ignore
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){
//Path for CSP Violation on FireFox OS 1.1
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) {
//try to place characters where they belong
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) {
// Invalid value. Remove it and replace it with the
// mask, which is the default behavior.
if(input.val()) input.val("");
clearBuffer(0, len);
} else {
// Invalid value, but we opt to show the value to the
// user and allow them to correct their mistake.
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(); //Perform initial check for existing values
});
}
});
}));