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/*
* jQuery UI Mask @VERSION
*
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* Based on the jquery.maskedinput.js plugin by Josh Bush (digitalbush.com)
*
* http://docs.jquery.com/UI/Mask
*
* Depends:
* ui.core.js
*/
(function($) {
var pasteEventName = ($.browser.msie ? 'paste' : 'input') + ".mask";
$.widget("ui.mask", {
_init: function() {
var options = this.options, self = this;
$.extend(this, { caret: function(begin, end){ return $.ui.mask.caret(self.element, begin, end); } });
if(!options.mask || !options.mask.length){ return; } //no mask pattern defined. no point in continuing.
if(!options.placeholder || !options.placeholder.length){
options.placeholder = '_'; //in case the user decided to nix a placeholder.
}
this._prepareBuffer();
this._bindEvents();
this._checkVal((this.element.val().length && options.allowPartials)); //Perform initial check for existing values
},
destroy: function() {
this.element
.unbind('.mask')
.removeData('mask');
},
value: function() {
var input = this.element,
self = this,
res = $.map(self.buffer, function(c, i){ return self.tests[i] ? c : null; }).join(''),
r = new RegExp('\\'+this.options.placeholder, 'gi');
return res.replace(r, '');
},
formatted: function(){
var r = new RegExp('\\'+this.options.placeholder, 'gi'),
res = this.element.val();
return res.replace(r, '');
},
apply: function(){
this.element.trigger('apply.mask');
},
_setData: function(key, value) {
$.widget.prototype._setData.apply(this, arguments);
var options = this.options;
switch (key) {
case 'mask':
//no mask pattern defined. no point in continuing.
if(!options.mask || !options.mask.length){
this.element.unbind('.mask')
break;
}
case 'placeholder':
if(!options.placeholder || !options.placeholder.length){
options.placeholder = '_'; //in case the user decided to nix a placeholder.
}
this.element.val('');
this._prepareBuffer();
!this.eventsBound && this._bindEvents();
break;
}
},
_prepareBuffer: function(){
this._escapeMask();
var self = this,
input = this.element,
options = this.options,
mask = options.mask,
defs = $.ui.mask.definitions,
tests = [],
partialPosition = mask.length,
firstNonMaskPos = null,
len = mask.length;
//if we're applying the mask to an element which is not an input, it won't have a val() method. fake one for our purposes.
if(!input.is(':input')) input.val = input.html;
$.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);
}
});
$.extend(this, {
buffer: $.map(mask.split(""), function(c, i){
if (c != '?'){
return defs[c] ? options.placeholder : c;
}
}),
tests: tests,
firstNonMaskPos: firstNonMaskPos,
partialPosition: partialPosition
});
this.buffer = $.map(this.buffer, function(c, i){
if(c == "\t"){
return self.maskEscaped[i];
}
return c;
});
this.options.mask = mask = this.maskEscaped;
},
_bindEvents: function(){
var self = this,
input = this.element,
ignore = false, //Variable for ignoring control keys
focusText = input.val();
function keydownEvent(e) {
e = e || window.event;
var pos = self.caret(),
k = e.keyCode,
keyCode = $.ui.keyCode;
ignore = (k < keyCode.SHIFT || (k > keyCode.SHIFT && k < keyCode.SPACE) || (k > keyCode.SPACE && k < 41));
//delete selection before proceeding
if ((pos.begin - pos.end) != 0 && (!ignore || k == keyCode.BACKSPACE || k == keyCode.DELETE))
self._clearBuffer(pos.begin, pos.end);
//backspace, delete, and escape get special treatment
if (k == keyCode.BACKSPACE || k == keyCode.DELETE) {//backspace/delete
self._shiftL(pos.begin + ((k == keyCode.DELETE || (k == keyCode.BACKSPACE && pos.begin!=pos.end)) ? 0 : -1), Math.abs(pos.begin - pos.end));
return false;
}
else if (k == keyCode.ESCAPE) {//escape
input.val(focusText);
self.caret(0, self._checkVal());
return false;
}
};
function keypressEvent(e) {
e = e || window.event;
var k = e.charCode || e.keyCode || e.which,
keyCode = $.ui.keyCode,
len = self.options.mask.length;
if (ignore) {
ignore = false;
//Fixes Mac FF bug on backspace
return (e.keyCode == keyCode.BACKSPACE) ? false : null;
}
var pos = self.caret();
if (e.ctrlKey || e.altKey || e.metaKey) {//Ignore
return true;
}
else if ((k >= keyCode.SPACE && k <= 125) || k > 186) {//typeable characters
var p = self._seekNext(pos.begin - 1);
if (p < len) {
var c = String.fromCharCode(k);
if (self.tests[p] && self.tests[p].test(c)) {
self._shiftR(p);
self.buffer[p] = c;
self._writeBuffer();
var next = self._seekNext(p);
self.caret(next);
self.options.completed && next == len && self.options.completed.call(input);
}
}
}
return false;
};
if (!input.attr("readonly")){
input
.bind("focus.mask", function() {
focusText = input.val();
var pos = self._checkVal();
self._writeBuffer();
setTimeout(function() {
if (pos == self.options.mask.length)
self.caret(0, pos);
else
self.caret(pos);
}, 0);
})
.bind("blur.mask", function() {
self._checkVal();
if (input.val() != focusText)
input.change();
})
.bind('apply.mask', function(){ //changing the value of an input without keyboard input requires re-applying the mask.
focusText = input.val();
var pos = self._checkVal();
self._writeBuffer();
})
.bind("keydown.mask", keydownEvent)
.bind("keypress.mask", keypressEvent)
.bind(pasteEventName, function() {
setTimeout(function() { self.caret(self._checkVal(true)); }, 0);
});
this.eventsBound = true;
}
},
_writeBuffer: function(){
return this.element.val(this.buffer.join('')).val();
},
_clearBuffer: function(start, end){
var len = this.options.mask.length;
for (var i = start; i < end && i < len; i++) {
if (this.tests[i])
this.buffer[i] = this.options.placeholder;
}
},
_seekNext: function(pos){
var len = this.options.mask.length;
while (++pos <= len && !this.tests[pos]);
return pos;
},
_shiftR: function(pos){
var len = this.options.mask.length;
for (var i = pos, c = this.options.placeholder; i < len; i++) {
if (this.tests[i]) {
var j = this._seekNext(i);
var t = this.buffer[i];
this.buffer[i] = c;
if (j < len && this.tests[j].test(t)){
c = t;
}
else{
break;
}
}
}
},
_shiftL: function(pos, length){
while (!this.tests[pos] && --pos >= 0);
var originalPos = pos,
len = this.options.mask.length,
placeholder = this.options.placeholder;
for(var i = pos; i < len && (i >= 0 || length > 1); i++) {
if (this.tests[i]) {
this.buffer[i] = placeholder;
var j = this._seekNext(i);
if (j < len && this.tests[i].test(this.buffer[j])) {
this.buffer[pos] = this.buffer[j];
this.buffer[j] = placeholder;
pos++;
while(!this.tests[pos]) pos++;
}
}
}
this._writeBuffer();
this.caret(Math.max(this.firstNonMaskPos, originalPos));
},
_checkVal: function(allow){
//try to place characters where they belong
var input = this.element,
test = input.val(),
len = this.options.mask.length,
lastMatch = -1;
for (var i = 0, pos = 0; i < len; i++) {
if (this.tests[i]) {
this.buffer[i] = this.options.placeholder;
while (pos++ < test.length) {
var c = test.charAt(pos - 1);
if (this.tests[i].test(c)) {
this.buffer[i] = c;
lastMatch = i;
break;
}
}
if (pos > test.length)
break;
}
else if (this.buffer[i] == test[pos] && i != this.partialPosition) {
pos++;
lastMatch = i;
}
}
if (!allow && lastMatch + 1 < this.partialPosition) {
if(!this.options.allowPartials || !this.value().length){
input.val("");
this._clearBuffer(0, len);
}
else //if we're allowing partial input/inital values, and the element we're masking isnt an input, then we need to allow the mask to apply.
if(!input.is(':input')) this._writeBuffer();
}
else if (allow || lastMatch + 1 >= this.partialPosition) {
this._writeBuffer();
if (!allow) input.val(input.val().substring(0, lastMatch + 1));
}
return (this.partialPosition ? i : this.firstNonMaskPos);
},
_escapeMask: function(){
var mask = this.options.mask,
literals = [],
replacements = [];
for(var i = 0; i < mask.length; i++){
var c, temp = mask[i] || mask.charAt(i);
if(temp != "\\" || mask[i-1] == "\\"){
if(mask[i-1] == "\\"){
c = "\t";
replacements[literals.length] = temp;
}
else{
c = temp;
}
literals[literals.length] = c;
}
}
this.options.mask = literals.join('');
for(var i = 0; i < literals.length; i++){
if(replacements[i] !== undefined){
literals[i] = replacements[i];
}
}
this.maskEscaped = literals.join('');
}
});
$.extend($.ui.mask, {
version: "@VERSION",
getter: "value formatted",
defaults: {
mask: '',
placeholder: '_',
completed: null,
allowPartials: false
},
definitions: { //Predefined character definitions
'#': "[\\d]",
'a': "[A-Za-z]",
'*': "[A-Za-z0-9]"
},
caret: function(element, begin, end) { //Helper Function for Caret positioning
var input = element[0];
if (typeof begin == 'number') {
end = (typeof end == 'number') ? end : begin;
if (input.setSelectionRange) {
input.focus();
input.setSelectionRange(begin, end);
} else if (input.createTextRange) {
var range = input.createTextRange();
range.collapse(true);
range.moveEnd('character', end);
range.moveStart('character', begin);
range.select();
}
return element;
} else {
if (input.setSelectionRange) {
begin = input.selectionStart;
end = input.selectionEnd;
}
else if (document.selection && document.selection.createRange) {
var range = document.selection.createRange();
begin = 0 - range.duplicate().moveStart('character', -100000);
end = begin + range.text.length;
}
return { begin: begin, end: end };
}
}
});
})(jQuery);
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