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/*
Masked Input plugin for jQuery
Copyright (c) 2007-2013 Josh Bush (digitalbush.com)
Licensed under the MIT license (https://digitalbush.com/projects/masked-input-plugin/#license)
Version: 1.3.1
*/
(function($) {
function getPasteEvent() {
var el = document.createElement('input'),
name = 'onpaste';
el.setAttribute(name, '');
return (typeof el[name] === 'function')?'paste':'input';
}
var pasteEventName = getPasteEvent() + ".mask",
ua = navigator.userAgent,
iPhone = /iphone/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]"
},
dataName: "rawMaskFn",
placeholder: '_',
};
$.fn.extend({
//Helper Function for Caret positioning
caret: function(begin, end) {
var range;
if (this.length === 0 || this.is(":hidden")) {
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,
len;
if (!mask && this.length > 0) {
input = $(this[0]);
return input.data($.mask.dataName)();
}
settings = $.extend({
placeholder: $.mask.placeholder, // Load default placeholder
completed: null
}, settings);
defs = $.mask.definitions;
tests = [];
partialPosition = len = mask.length;
firstNonMaskPos = null;
$.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;
}
} else {
tests.push(null);
}
});
return this.trigger("unmask").each(function() {
var input = $(this),
buffer = $.map(
mask.split(""),
function(c, i) {
if (c != '?') {
return defs[c] ? settings.placeholder : c;
}
}),
focusText = input.val();
function seekNext(pos) {
while (++pos < len && !tests[pos]);
return pos;
}
function seekPrev(pos) {
while (--pos >= 0 && !tests[pos]);
return pos;
}
function shiftL(begin,end) {
var i,
j;
if (begin<0) {
return;
}
for (i = begin, j = seekNext(end); i < len; i++) {
if (tests[i]) {
if (j < len && tests[i].test(buffer[j])) {
buffer[i] = buffer[j];
buffer[j] = settings.placeholder;
} else {
break;
}
j = seekNext(j);
}
}
writeBuffer();
input.caret(Math.max(firstNonMaskPos, begin));
}
function shiftR(pos) {
var i,
c,
j,
t;
for (i = pos, c = settings.placeholder; i < len; i++) {
if (tests[i]) {
j = seekNext(i);
t = buffer[i];
buffer[i] = c;
if (j < len && tests[j].test(t)) {
c = t;
} else {
break;
}
}
}
}
function keydownEvent(e) {
var k = e.which,
pos,
begin,
end;
//backspace, delete, and escape get special treatment
if (k === 8 || k === 46 || (iPhone && k === 127)) {
pos = input.caret();
begin = pos.begin;
end = pos.end;
if (end - begin === 0) {
begin=k!==46?seekPrev(begin):(end=seekNext(begin-1));
end=k===46?seekNext(end):end;
}
clearBuffer(begin, end);
shiftL(begin, end - 1);
e.preventDefault();
} else if (k == 27) {//escape
input.val(focusText);
input.caret(0, checkVal());
e.preventDefault();
}
}
function keypressEvent(e) {
var k = e.which,
pos = input.caret(),
p,
c,
next;
if (e.ctrlKey || e.altKey || e.metaKey || k < 32) {//Ignore
return;
} else if (k) {
if (pos.end - pos.begin !== 0){
clearBuffer(pos.begin, pos.end);
shiftL(pos.begin, pos.end-1);
}
p = seekNext(pos.begin - 1);
if (p < len) {
c = String.fromCharCode(k);
if (tests[p].test(c)) {
shiftR(p);
buffer[p] = c;
writeBuffer();
next = seekNext(p);
if(android){
setTimeout($.proxy($.fn.caret,input,next),0);
}else{
input.caret(next);
}
if (settings.completed && next >= len) {
settings.completed.call(input);
}
}
}
e.preventDefault();
}
}
function clearBuffer(start, end) {
var i;
for (i = start; i < end && i < len; i++) {
if (tests[i]) {
buffer[i] = settings.placeholder;
}
}
}
function writeBuffer() { input.val(buffer.join('')); }
function checkVal(allow) {
//try to place characters where they belong
var test = input.val(),
lastMatch = -1,
i,
c;
for (i = 0, pos = 0; i < len; i++) {
if (tests[i]) {
buffer[i] = settings.placeholder;
while (pos++ < test.length) {
c = test.charAt(pos - 1);
if (tests[i].test(c)) {
buffer[i] = c;
lastMatch = i;
break;
}
}
if (pos > test.length) {
break;
}
} else if (buffer[i] === test.charAt(pos) && i !== partialPosition) {
pos++;
lastMatch = i;
}
}
if (allow) {
writeBuffer();
} else if (lastMatch + 1 < partialPosition) {
input.val("");
clearBuffer(0, len);
} else {
writeBuffer();
input.val(input.val().substring(0, lastMatch + 1));
}
return (partialPosition ? i : firstNonMaskPos);
}
input.data($.mask.dataName,function(){
return $.map(buffer, function(c, i) {
return tests[i]&&c!=settings.placeholder ? c : null;
}).join('');
});
if (!input.attr("readonly"))
input
.one("unmask", function() {
input
.unbind(".mask")
.removeData($.mask.dataName);
})
.bind("focus.mask", function() {
clearTimeout(caretTimeoutId);
var pos,
moveCaret;
focusText = input.val();
pos = checkVal();
caretTimeoutId = setTimeout(function(){
writeBuffer();
if (pos == mask.length) {
input.caret(0, pos);
} else {
input.caret(pos);
}
}, 10);
})
.bind("blur.mask", function() {
checkVal();
if (input.val() != focusText)
input.change();
})
.bind("keydown.mask", keydownEvent)
.bind("keypress.mask", keypressEvent)
.bind(pasteEventName, function() {
setTimeout(function() {
var pos=checkVal(true);
input.caret(pos);
if (settings.completed && pos == input.val().length)
settings.completed.call(input);
}, 0);
});
checkVal(); //Perform initial check for existing values
});
}
});
})(jQuery);